1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.widget; 18 19 import static android.view.accessibility.AccessibilityNodeInfo.EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH; 20 import static android.view.accessibility.AccessibilityNodeInfo.EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX; 21 import static android.view.accessibility.AccessibilityNodeInfo.EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY; 22 import static android.view.inputmethod.CursorAnchorInfo.FLAG_HAS_VISIBLE_REGION; 23 24 import android.R; 25 import android.annotation.ColorInt; 26 import android.annotation.DrawableRes; 27 import android.annotation.FloatRange; 28 import android.annotation.IntDef; 29 import android.annotation.NonNull; 30 import android.annotation.Nullable; 31 import android.annotation.Size; 32 import android.annotation.StringRes; 33 import android.annotation.StyleRes; 34 import android.annotation.XmlRes; 35 import android.app.Activity; 36 import android.app.assist.AssistStructure; 37 import android.content.ClipData; 38 import android.content.ClipDescription; 39 import android.content.ClipboardManager; 40 import android.content.Context; 41 import android.content.Intent; 42 import android.content.UndoManager; 43 import android.content.res.ColorStateList; 44 import android.content.res.CompatibilityInfo; 45 import android.content.res.Configuration; 46 import android.content.res.Resources; 47 import android.content.res.TypedArray; 48 import android.content.res.XmlResourceParser; 49 import android.graphics.BaseCanvas; 50 import android.graphics.Canvas; 51 import android.graphics.Insets; 52 import android.graphics.Paint; 53 import android.graphics.Path; 54 import android.graphics.PorterDuff; 55 import android.graphics.Rect; 56 import android.graphics.RectF; 57 import android.graphics.Typeface; 58 import android.graphics.drawable.Drawable; 59 import android.graphics.fonts.FontVariationAxis; 60 import android.icu.text.DecimalFormatSymbols; 61 import android.os.AsyncTask; 62 import android.os.Build.VERSION_CODES; 63 import android.os.Bundle; 64 import android.os.LocaleList; 65 import android.os.Parcel; 66 import android.os.Parcelable; 67 import android.os.ParcelableParcel; 68 import android.os.SystemClock; 69 import android.provider.Settings; 70 import android.text.BoringLayout; 71 import android.text.DynamicLayout; 72 import android.text.Editable; 73 import android.text.GetChars; 74 import android.text.GraphicsOperations; 75 import android.text.InputFilter; 76 import android.text.InputType; 77 import android.text.Layout; 78 import android.text.ParcelableSpan; 79 import android.text.Selection; 80 import android.text.SpanWatcher; 81 import android.text.Spannable; 82 import android.text.SpannableStringBuilder; 83 import android.text.Spanned; 84 import android.text.SpannedString; 85 import android.text.StaticLayout; 86 import android.text.TextDirectionHeuristic; 87 import android.text.TextDirectionHeuristics; 88 import android.text.TextPaint; 89 import android.text.TextUtils; 90 import android.text.TextUtils.TruncateAt; 91 import android.text.TextWatcher; 92 import android.text.method.AllCapsTransformationMethod; 93 import android.text.method.ArrowKeyMovementMethod; 94 import android.text.method.DateKeyListener; 95 import android.text.method.DateTimeKeyListener; 96 import android.text.method.DialerKeyListener; 97 import android.text.method.DigitsKeyListener; 98 import android.text.method.KeyListener; 99 import android.text.method.LinkMovementMethod; 100 import android.text.method.MetaKeyKeyListener; 101 import android.text.method.MovementMethod; 102 import android.text.method.PasswordTransformationMethod; 103 import android.text.method.SingleLineTransformationMethod; 104 import android.text.method.TextKeyListener; 105 import android.text.method.TimeKeyListener; 106 import android.text.method.TransformationMethod; 107 import android.text.method.TransformationMethod2; 108 import android.text.method.WordIterator; 109 import android.text.style.CharacterStyle; 110 import android.text.style.ClickableSpan; 111 import android.text.style.ParagraphStyle; 112 import android.text.style.SpellCheckSpan; 113 import android.text.style.SuggestionSpan; 114 import android.text.style.URLSpan; 115 import android.text.style.UpdateAppearance; 116 import android.text.util.Linkify; 117 import android.util.AttributeSet; 118 import android.util.DisplayMetrics; 119 import android.util.IntArray; 120 import android.util.Log; 121 import android.util.TypedValue; 122 import android.view.AccessibilityIterators.TextSegmentIterator; 123 import android.view.ActionMode; 124 import android.view.Choreographer; 125 import android.view.ContextMenu; 126 import android.view.DragEvent; 127 import android.view.Gravity; 128 import android.view.HapticFeedbackConstants; 129 import android.view.InputDevice; 130 import android.view.KeyCharacterMap; 131 import android.view.KeyEvent; 132 import android.view.MotionEvent; 133 import android.view.PointerIcon; 134 import android.view.View; 135 import android.view.ViewConfiguration; 136 import android.view.ViewDebug; 137 import android.view.ViewGroup.LayoutParams; 138 import android.view.ViewHierarchyEncoder; 139 import android.view.ViewParent; 140 import android.view.ViewRootImpl; 141 import android.view.ViewStructure; 142 import android.view.ViewTreeObserver; 143 import android.view.accessibility.AccessibilityEvent; 144 import android.view.accessibility.AccessibilityManager; 145 import android.view.accessibility.AccessibilityNodeInfo; 146 import android.view.animation.AnimationUtils; 147 import android.view.autofill.AutofillManager; 148 import android.view.autofill.AutofillValue; 149 import android.view.inputmethod.BaseInputConnection; 150 import android.view.inputmethod.CompletionInfo; 151 import android.view.inputmethod.CorrectionInfo; 152 import android.view.inputmethod.CursorAnchorInfo; 153 import android.view.inputmethod.EditorInfo; 154 import android.view.inputmethod.ExtractedText; 155 import android.view.inputmethod.ExtractedTextRequest; 156 import android.view.inputmethod.InputConnection; 157 import android.view.inputmethod.InputMethodManager; 158 import android.view.textclassifier.TextClassificationManager; 159 import android.view.textclassifier.TextClassifier; 160 import android.view.textservice.SpellCheckerSubtype; 161 import android.view.textservice.TextServicesManager; 162 import android.widget.RemoteViews.RemoteView; 163 164 import com.android.internal.annotations.VisibleForTesting; 165 import com.android.internal.logging.MetricsLogger; 166 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 167 import com.android.internal.util.FastMath; 168 import com.android.internal.widget.EditableInputConnection; 169 170 import libcore.util.EmptyArray; 171 172 import org.xmlpull.v1.XmlPullParserException; 173 174 import java.io.IOException; 175 import java.lang.annotation.Retention; 176 import java.lang.annotation.RetentionPolicy; 177 import java.lang.ref.WeakReference; 178 import java.util.ArrayList; 179 import java.util.Arrays; 180 import java.util.Locale; 181 182 /** 183 * A user interface element that displays text to the user. 184 * To provide user-editable text, see {@link EditText}. 185 * <p> 186 * The following code sample shows a typical use, with an XML layout 187 * and code to modify the contents of the text view: 188 * </p> 189 190 * <pre> 191 * <LinearLayout 192 xmlns:android="http://schemas.android.com/apk/res/android" 193 android:layout_width="match_parent" 194 android:layout_height="match_parent"> 195 * <TextView 196 * android:id="@+id/text_view_id" 197 * android:layout_height="wrap_content" 198 * android:layout_width="wrap_content" 199 * android:text="@string/hello" /> 200 * </LinearLayout> 201 * </pre> 202 * <p> 203 * This code sample demonstrates how to modify the contents of the text view 204 * defined in the previous XML layout: 205 * </p> 206 * <pre> 207 * public class MainActivity extends Activity { 208 * 209 * protected void onCreate(Bundle savedInstanceState) { 210 * super.onCreate(savedInstanceState); 211 * setContentView(R.layout.activity_main); 212 * final TextView helloTextView = (TextView) findViewById(R.id.text_view_id); 213 * helloTextView.setText(R.string.user_greeting); 214 * } 215 * } 216 * </pre> 217 * <p> 218 * To customize the appearance of TextView, see <a href="https://developer.android.com/guide/topics/ui/themes.html">Styles and Themes</a>. 219 * </p> 220 * <p> 221 * <b>XML attributes</b> 222 * <p> 223 * See {@link android.R.styleable#TextView TextView Attributes}, 224 * {@link android.R.styleable#View View Attributes} 225 * 226 * @attr ref android.R.styleable#TextView_text 227 * @attr ref android.R.styleable#TextView_bufferType 228 * @attr ref android.R.styleable#TextView_hint 229 * @attr ref android.R.styleable#TextView_textColor 230 * @attr ref android.R.styleable#TextView_textColorHighlight 231 * @attr ref android.R.styleable#TextView_textColorHint 232 * @attr ref android.R.styleable#TextView_textAppearance 233 * @attr ref android.R.styleable#TextView_textColorLink 234 * @attr ref android.R.styleable#TextView_textSize 235 * @attr ref android.R.styleable#TextView_textScaleX 236 * @attr ref android.R.styleable#TextView_fontFamily 237 * @attr ref android.R.styleable#TextView_typeface 238 * @attr ref android.R.styleable#TextView_textStyle 239 * @attr ref android.R.styleable#TextView_cursorVisible 240 * @attr ref android.R.styleable#TextView_maxLines 241 * @attr ref android.R.styleable#TextView_maxHeight 242 * @attr ref android.R.styleable#TextView_lines 243 * @attr ref android.R.styleable#TextView_height 244 * @attr ref android.R.styleable#TextView_minLines 245 * @attr ref android.R.styleable#TextView_minHeight 246 * @attr ref android.R.styleable#TextView_maxEms 247 * @attr ref android.R.styleable#TextView_maxWidth 248 * @attr ref android.R.styleable#TextView_ems 249 * @attr ref android.R.styleable#TextView_width 250 * @attr ref android.R.styleable#TextView_minEms 251 * @attr ref android.R.styleable#TextView_minWidth 252 * @attr ref android.R.styleable#TextView_gravity 253 * @attr ref android.R.styleable#TextView_scrollHorizontally 254 * @attr ref android.R.styleable#TextView_password 255 * @attr ref android.R.styleable#TextView_singleLine 256 * @attr ref android.R.styleable#TextView_selectAllOnFocus 257 * @attr ref android.R.styleable#TextView_includeFontPadding 258 * @attr ref android.R.styleable#TextView_maxLength 259 * @attr ref android.R.styleable#TextView_shadowColor 260 * @attr ref android.R.styleable#TextView_shadowDx 261 * @attr ref android.R.styleable#TextView_shadowDy 262 * @attr ref android.R.styleable#TextView_shadowRadius 263 * @attr ref android.R.styleable#TextView_autoLink 264 * @attr ref android.R.styleable#TextView_linksClickable 265 * @attr ref android.R.styleable#TextView_numeric 266 * @attr ref android.R.styleable#TextView_digits 267 * @attr ref android.R.styleable#TextView_phoneNumber 268 * @attr ref android.R.styleable#TextView_inputMethod 269 * @attr ref android.R.styleable#TextView_capitalize 270 * @attr ref android.R.styleable#TextView_autoText 271 * @attr ref android.R.styleable#TextView_editable 272 * @attr ref android.R.styleable#TextView_freezesText 273 * @attr ref android.R.styleable#TextView_ellipsize 274 * @attr ref android.R.styleable#TextView_drawableTop 275 * @attr ref android.R.styleable#TextView_drawableBottom 276 * @attr ref android.R.styleable#TextView_drawableRight 277 * @attr ref android.R.styleable#TextView_drawableLeft 278 * @attr ref android.R.styleable#TextView_drawableStart 279 * @attr ref android.R.styleable#TextView_drawableEnd 280 * @attr ref android.R.styleable#TextView_drawablePadding 281 * @attr ref android.R.styleable#TextView_drawableTint 282 * @attr ref android.R.styleable#TextView_drawableTintMode 283 * @attr ref android.R.styleable#TextView_lineSpacingExtra 284 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 285 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 286 * @attr ref android.R.styleable#TextView_inputType 287 * @attr ref android.R.styleable#TextView_imeOptions 288 * @attr ref android.R.styleable#TextView_privateImeOptions 289 * @attr ref android.R.styleable#TextView_imeActionLabel 290 * @attr ref android.R.styleable#TextView_imeActionId 291 * @attr ref android.R.styleable#TextView_editorExtras 292 * @attr ref android.R.styleable#TextView_elegantTextHeight 293 * @attr ref android.R.styleable#TextView_letterSpacing 294 * @attr ref android.R.styleable#TextView_fontFeatureSettings 295 * @attr ref android.R.styleable#TextView_breakStrategy 296 * @attr ref android.R.styleable#TextView_hyphenationFrequency 297 * @attr ref android.R.styleable#TextView_autoSizeTextType 298 * @attr ref android.R.styleable#TextView_autoSizeMinTextSize 299 * @attr ref android.R.styleable#TextView_autoSizeMaxTextSize 300 * @attr ref android.R.styleable#TextView_autoSizeStepGranularity 301 * @attr ref android.R.styleable#TextView_autoSizePresetSizes 302 */ 303 @RemoteView 304 public class TextView extends View implements ViewTreeObserver.OnPreDrawListener { 305 static final String LOG_TAG = "TextView"; 306 static final boolean DEBUG_EXTRACT = false; 307 static final boolean DEBUG_AUTOFILL = false; 308 private static final float[] TEMP_POSITION = new float[2]; 309 310 // Enum for the "typeface" XML parameter. 311 // TODO: How can we get this from the XML instead of hardcoding it here? 312 private static final int SANS = 1; 313 private static final int SERIF = 2; 314 private static final int MONOSPACE = 3; 315 316 // Bitfield for the "numeric" XML parameter. 317 // TODO: How can we get this from the XML instead of hardcoding it here? 318 private static final int SIGNED = 2; 319 private static final int DECIMAL = 4; 320 321 /** 322 * Draw marquee text with fading edges as usual 323 */ 324 private static final int MARQUEE_FADE_NORMAL = 0; 325 326 /** 327 * Draw marquee text as ellipsize end while inactive instead of with the fade. 328 * (Useful for devices where the fade can be expensive if overdone) 329 */ 330 private static final int MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS = 1; 331 332 /** 333 * Draw marquee text with fading edges because it is currently active/animating. 334 */ 335 private static final int MARQUEE_FADE_SWITCH_SHOW_FADE = 2; 336 337 private static final int LINES = 1; 338 private static final int EMS = LINES; 339 private static final int PIXELS = 2; 340 341 private static final RectF TEMP_RECTF = new RectF(); 342 343 /** @hide */ 344 static final int VERY_WIDE = 1024 * 1024; // XXX should be much larger 345 private static final int ANIMATED_SCROLL_GAP = 250; 346 347 private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 348 private static final Spanned EMPTY_SPANNED = new SpannedString(""); 349 350 private static final int CHANGE_WATCHER_PRIORITY = 100; 351 352 // New state used to change background based on whether this TextView is multiline. 353 private static final int[] MULTILINE_STATE_SET = { R.attr.state_multiline }; 354 355 // Accessibility action to share selected text. 356 private static final int ACCESSIBILITY_ACTION_SHARE = 0x10000000; 357 358 /** 359 * @hide 360 */ 361 // Accessibility action start id for "process text" actions. 362 static final int ACCESSIBILITY_ACTION_PROCESS_TEXT_START_ID = 0x10000100; 363 364 /** 365 * @hide 366 */ 367 static final int PROCESS_TEXT_REQUEST_CODE = 100; 368 369 /** 370 * Return code of {@link #doKeyDown}. 371 */ 372 private static final int KEY_EVENT_NOT_HANDLED = 0; 373 private static final int KEY_EVENT_HANDLED = -1; 374 private static final int KEY_DOWN_HANDLED_BY_KEY_LISTENER = 1; 375 private static final int KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD = 2; 376 377 private static final int FLOATING_TOOLBAR_SELECT_ALL_REFRESH_DELAY = 500; 378 379 // System wide time for last cut, copy or text changed action. 380 static long sLastCutCopyOrTextChangedTime; 381 382 private ColorStateList mTextColor; 383 private ColorStateList mHintTextColor; 384 private ColorStateList mLinkTextColor; 385 @ViewDebug.ExportedProperty(category = "text") 386 private int mCurTextColor; 387 private int mCurHintTextColor; 388 private boolean mFreezesText; 389 390 private Editable.Factory mEditableFactory = Editable.Factory.getInstance(); 391 private Spannable.Factory mSpannableFactory = Spannable.Factory.getInstance(); 392 393 private float mShadowRadius, mShadowDx, mShadowDy; 394 private int mShadowColor; 395 396 private boolean mPreDrawRegistered; 397 private boolean mPreDrawListenerDetached; 398 399 private TextClassifier mTextClassifier; 400 401 // A flag to prevent repeated movements from escaping the enclosing text view. The idea here is 402 // that if a user is holding down a movement key to traverse text, we shouldn't also traverse 403 // the view hierarchy. On the other hand, if the user is using the movement key to traverse 404 // views (i.e. the first movement was to traverse out of this view, or this view was traversed 405 // into by the user holding the movement key down) then we shouldn't prevent the focus from 406 // changing. 407 private boolean mPreventDefaultMovement; 408 409 private TextUtils.TruncateAt mEllipsize; 410 411 static class Drawables { 412 static final int LEFT = 0; 413 static final int TOP = 1; 414 static final int RIGHT = 2; 415 static final int BOTTOM = 3; 416 417 static final int DRAWABLE_NONE = -1; 418 static final int DRAWABLE_RIGHT = 0; 419 static final int DRAWABLE_LEFT = 1; 420 421 final Rect mCompoundRect = new Rect(); 422 423 final Drawable[] mShowing = new Drawable[4]; 424 425 ColorStateList mTintList; 426 PorterDuff.Mode mTintMode; 427 boolean mHasTint; 428 boolean mHasTintMode; 429 430 Drawable mDrawableStart, mDrawableEnd, mDrawableError, mDrawableTemp; 431 Drawable mDrawableLeftInitial, mDrawableRightInitial; 432 433 boolean mIsRtlCompatibilityMode; 434 boolean mOverride; 435 436 int mDrawableSizeTop, mDrawableSizeBottom, mDrawableSizeLeft, mDrawableSizeRight, 437 mDrawableSizeStart, mDrawableSizeEnd, mDrawableSizeError, mDrawableSizeTemp; 438 439 int mDrawableWidthTop, mDrawableWidthBottom, mDrawableHeightLeft, mDrawableHeightRight, 440 mDrawableHeightStart, mDrawableHeightEnd, mDrawableHeightError, mDrawableHeightTemp; 441 442 int mDrawablePadding; 443 444 int mDrawableSaved = DRAWABLE_NONE; 445 446 public Drawables(Context context) { 447 final int targetSdkVersion = context.getApplicationInfo().targetSdkVersion; 448 mIsRtlCompatibilityMode = targetSdkVersion < VERSION_CODES.JELLY_BEAN_MR1 449 || !context.getApplicationInfo().hasRtlSupport(); 450 mOverride = false; 451 } 452 453 /** 454 * @return {@code true} if this object contains metadata that needs to 455 * be retained, {@code false} otherwise 456 */ 457 public boolean hasMetadata() { 458 return mDrawablePadding != 0 || mHasTintMode || mHasTint; 459 } 460 461 /** 462 * Updates the list of displayed drawables to account for the current 463 * layout direction. 464 * 465 * @param layoutDirection the current layout direction 466 * @return {@code true} if the displayed drawables changed 467 */ 468 public boolean resolveWithLayoutDirection(int layoutDirection) { 469 final Drawable previousLeft = mShowing[Drawables.LEFT]; 470 final Drawable previousRight = mShowing[Drawables.RIGHT]; 471 472 // First reset "left" and "right" drawables to their initial values 473 mShowing[Drawables.LEFT] = mDrawableLeftInitial; 474 mShowing[Drawables.RIGHT] = mDrawableRightInitial; 475 476 if (mIsRtlCompatibilityMode) { 477 // Use "start" drawable as "left" drawable if the "left" drawable was not defined 478 if (mDrawableStart != null && mShowing[Drawables.LEFT] == null) { 479 mShowing[Drawables.LEFT] = mDrawableStart; 480 mDrawableSizeLeft = mDrawableSizeStart; 481 mDrawableHeightLeft = mDrawableHeightStart; 482 } 483 // Use "end" drawable as "right" drawable if the "right" drawable was not defined 484 if (mDrawableEnd != null && mShowing[Drawables.RIGHT] == null) { 485 mShowing[Drawables.RIGHT] = mDrawableEnd; 486 mDrawableSizeRight = mDrawableSizeEnd; 487 mDrawableHeightRight = mDrawableHeightEnd; 488 } 489 } else { 490 // JB-MR1+ normal case: "start" / "end" drawables are overriding "left" / "right" 491 // drawable if and only if they have been defined 492 switch(layoutDirection) { 493 case LAYOUT_DIRECTION_RTL: 494 if (mOverride) { 495 mShowing[Drawables.RIGHT] = mDrawableStart; 496 mDrawableSizeRight = mDrawableSizeStart; 497 mDrawableHeightRight = mDrawableHeightStart; 498 499 mShowing[Drawables.LEFT] = mDrawableEnd; 500 mDrawableSizeLeft = mDrawableSizeEnd; 501 mDrawableHeightLeft = mDrawableHeightEnd; 502 } 503 break; 504 505 case LAYOUT_DIRECTION_LTR: 506 default: 507 if (mOverride) { 508 mShowing[Drawables.LEFT] = mDrawableStart; 509 mDrawableSizeLeft = mDrawableSizeStart; 510 mDrawableHeightLeft = mDrawableHeightStart; 511 512 mShowing[Drawables.RIGHT] = mDrawableEnd; 513 mDrawableSizeRight = mDrawableSizeEnd; 514 mDrawableHeightRight = mDrawableHeightEnd; 515 } 516 break; 517 } 518 } 519 520 applyErrorDrawableIfNeeded(layoutDirection); 521 522 return mShowing[Drawables.LEFT] != previousLeft 523 || mShowing[Drawables.RIGHT] != previousRight; 524 } 525 526 public void setErrorDrawable(Drawable dr, TextView tv) { 527 if (mDrawableError != dr && mDrawableError != null) { 528 mDrawableError.setCallback(null); 529 } 530 mDrawableError = dr; 531 532 if (mDrawableError != null) { 533 final Rect compoundRect = mCompoundRect; 534 final int[] state = tv.getDrawableState(); 535 536 mDrawableError.setState(state); 537 mDrawableError.copyBounds(compoundRect); 538 mDrawableError.setCallback(tv); 539 mDrawableSizeError = compoundRect.width(); 540 mDrawableHeightError = compoundRect.height(); 541 } else { 542 mDrawableSizeError = mDrawableHeightError = 0; 543 } 544 } 545 546 private void applyErrorDrawableIfNeeded(int layoutDirection) { 547 // first restore the initial state if needed 548 switch (mDrawableSaved) { 549 case DRAWABLE_LEFT: 550 mShowing[Drawables.LEFT] = mDrawableTemp; 551 mDrawableSizeLeft = mDrawableSizeTemp; 552 mDrawableHeightLeft = mDrawableHeightTemp; 553 break; 554 case DRAWABLE_RIGHT: 555 mShowing[Drawables.RIGHT] = mDrawableTemp; 556 mDrawableSizeRight = mDrawableSizeTemp; 557 mDrawableHeightRight = mDrawableHeightTemp; 558 break; 559 case DRAWABLE_NONE: 560 default: 561 } 562 // then, if needed, assign the Error drawable to the correct location 563 if (mDrawableError != null) { 564 switch(layoutDirection) { 565 case LAYOUT_DIRECTION_RTL: 566 mDrawableSaved = DRAWABLE_LEFT; 567 568 mDrawableTemp = mShowing[Drawables.LEFT]; 569 mDrawableSizeTemp = mDrawableSizeLeft; 570 mDrawableHeightTemp = mDrawableHeightLeft; 571 572 mShowing[Drawables.LEFT] = mDrawableError; 573 mDrawableSizeLeft = mDrawableSizeError; 574 mDrawableHeightLeft = mDrawableHeightError; 575 break; 576 case LAYOUT_DIRECTION_LTR: 577 default: 578 mDrawableSaved = DRAWABLE_RIGHT; 579 580 mDrawableTemp = mShowing[Drawables.RIGHT]; 581 mDrawableSizeTemp = mDrawableSizeRight; 582 mDrawableHeightTemp = mDrawableHeightRight; 583 584 mShowing[Drawables.RIGHT] = mDrawableError; 585 mDrawableSizeRight = mDrawableSizeError; 586 mDrawableHeightRight = mDrawableHeightError; 587 break; 588 } 589 } 590 } 591 } 592 593 Drawables mDrawables; 594 595 private CharWrapper mCharWrapper; 596 597 private Marquee mMarquee; 598 private boolean mRestartMarquee; 599 600 private int mMarqueeRepeatLimit = 3; 601 602 private int mLastLayoutDirection = -1; 603 604 /** 605 * On some devices the fading edges add a performance penalty if used 606 * extensively in the same layout. This mode indicates how the marquee 607 * is currently being shown, if applicable. (mEllipsize will == MARQUEE) 608 */ 609 private int mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 610 611 /** 612 * When mMarqueeFadeMode is not MARQUEE_FADE_NORMAL, this stores 613 * the layout that should be used when the mode switches. 614 */ 615 private Layout mSavedMarqueeModeLayout; 616 617 @ViewDebug.ExportedProperty(category = "text") 618 private CharSequence mText; 619 private CharSequence mTransformed; 620 private BufferType mBufferType = BufferType.NORMAL; 621 622 private CharSequence mHint; 623 private Layout mHintLayout; 624 625 private MovementMethod mMovement; 626 627 private TransformationMethod mTransformation; 628 private boolean mAllowTransformationLengthChange; 629 private ChangeWatcher mChangeWatcher; 630 631 private ArrayList<TextWatcher> mListeners; 632 633 // display attributes 634 private final TextPaint mTextPaint; 635 private boolean mUserSetTextScaleX; 636 private Layout mLayout; 637 private boolean mLocalesChanged = false; 638 639 // True if setKeyListener() has been explicitly called 640 private boolean mListenerChanged = false; 641 // True if internationalized input should be used for numbers and date and time. 642 private final boolean mUseInternationalizedInput; 643 644 @ViewDebug.ExportedProperty(category = "text") 645 private int mGravity = Gravity.TOP | Gravity.START; 646 private boolean mHorizontallyScrolling; 647 648 private int mAutoLinkMask; 649 private boolean mLinksClickable = true; 650 651 private float mSpacingMult = 1.0f; 652 private float mSpacingAdd = 0.0f; 653 654 private int mBreakStrategy; 655 private int mHyphenationFrequency; 656 private int mJustificationMode; 657 658 private int mMaximum = Integer.MAX_VALUE; 659 private int mMaxMode = LINES; 660 private int mMinimum = 0; 661 private int mMinMode = LINES; 662 663 private int mOldMaximum = mMaximum; 664 private int mOldMaxMode = mMaxMode; 665 666 private int mMaxWidth = Integer.MAX_VALUE; 667 private int mMaxWidthMode = PIXELS; 668 private int mMinWidth = 0; 669 private int mMinWidthMode = PIXELS; 670 671 private boolean mSingleLine; 672 private int mDesiredHeightAtMeasure = -1; 673 private boolean mIncludePad = true; 674 private int mDeferScroll = -1; 675 676 // tmp primitives, so we don't alloc them on each draw 677 private Rect mTempRect; 678 private long mLastScroll; 679 private Scroller mScroller; 680 private TextPaint mTempTextPaint; 681 682 private BoringLayout.Metrics mBoring, mHintBoring; 683 private BoringLayout mSavedLayout, mSavedHintLayout; 684 685 private TextDirectionHeuristic mTextDir; 686 687 private InputFilter[] mFilters = NO_FILTERS; 688 689 private volatile Locale mCurrentSpellCheckerLocaleCache; 690 691 // It is possible to have a selection even when mEditor is null (programmatically set, like when 692 // a link is pressed). These highlight-related fields do not go in mEditor. 693 int mHighlightColor = 0x6633B5E5; 694 private Path mHighlightPath; 695 private final Paint mHighlightPaint; 696 private boolean mHighlightPathBogus = true; 697 698 // Although these fields are specific to editable text, they are not added to Editor because 699 // they are defined by the TextView's style and are theme-dependent. 700 int mCursorDrawableRes; 701 // These six fields, could be moved to Editor, since we know their default values and we 702 // could condition the creation of the Editor to a non standard value. This is however 703 // brittle since the hardcoded values here (such as 704 // com.android.internal.R.drawable.text_select_handle_left) would have to be updated if the 705 // default style is modified. 706 int mTextSelectHandleLeftRes; 707 int mTextSelectHandleRightRes; 708 int mTextSelectHandleRes; 709 int mTextEditSuggestionItemLayout; 710 int mTextEditSuggestionContainerLayout; 711 int mTextEditSuggestionHighlightStyle; 712 713 /** 714 * {@link EditText} specific data, created on demand when one of the Editor fields is used. 715 * See {@link #createEditorIfNeeded()}. 716 */ 717 private Editor mEditor; 718 719 private static final int DEVICE_PROVISIONED_UNKNOWN = 0; 720 private static final int DEVICE_PROVISIONED_NO = 1; 721 private static final int DEVICE_PROVISIONED_YES = 2; 722 723 /** 724 * Some special options such as sharing selected text should only be shown if the device 725 * is provisioned. Only check the provisioned state once for a given view instance. 726 */ 727 private int mDeviceProvisionedState = DEVICE_PROVISIONED_UNKNOWN; 728 729 /** 730 * The TextView does not auto-size text (default). 731 */ 732 public static final int AUTO_SIZE_TEXT_TYPE_NONE = 0; 733 734 /** 735 * The TextView scales text size both horizontally and vertically to fit within the 736 * container. 737 */ 738 public static final int AUTO_SIZE_TEXT_TYPE_UNIFORM = 1; 739 740 /** @hide */ 741 @IntDef({AUTO_SIZE_TEXT_TYPE_NONE, AUTO_SIZE_TEXT_TYPE_UNIFORM}) 742 @Retention(RetentionPolicy.SOURCE) 743 public @interface AutoSizeTextType {} 744 // Default minimum size for auto-sizing text in scaled pixels. 745 private static final int DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP = 12; 746 // Default maximum size for auto-sizing text in scaled pixels. 747 private static final int DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP = 112; 748 // Default value for the step size in pixels. 749 private static final int DEFAULT_AUTO_SIZE_GRANULARITY_IN_PX = 1; 750 // Use this to specify that any of the auto-size configuration int values have not been set. 751 private static final float UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE = -1f; 752 // Auto-size text type. 753 private int mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_NONE; 754 // Specify if auto-size text is needed. 755 private boolean mNeedsAutoSizeText = false; 756 // Step size for auto-sizing in pixels. 757 private float mAutoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 758 // Minimum text size for auto-sizing in pixels. 759 private float mAutoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 760 // Maximum text size for auto-sizing in pixels. 761 private float mAutoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 762 // Contains a (specified or computed) distinct sorted set of text sizes in pixels to pick from 763 // when auto-sizing text. 764 private int[] mAutoSizeTextSizesInPx = EmptyArray.INT; 765 // Specifies whether auto-size should use the provided auto size steps set or if it should 766 // build the steps set using mAutoSizeMinTextSizeInPx, mAutoSizeMaxTextSizeInPx and 767 // mAutoSizeStepGranularityInPx. 768 private boolean mHasPresetAutoSizeValues = false; 769 770 // Indicates whether the text was set from resources or dynamically, so it can be used to 771 // sanitize autofill requests. 772 private boolean mTextFromResource = false; 773 774 /** 775 * Kick-start the font cache for the zygote process (to pay the cost of 776 * initializing freetype for our default font only once). 777 * @hide 778 */ 779 public static void preloadFontCache() { 780 Paint p = new Paint(); 781 p.setAntiAlias(true); 782 // Ensure that the Typeface is loaded here. 783 // Typically, Typeface is preloaded by zygote but not on all devices, e.g. Android Auto. 784 // So, sets Typeface.DEFAULT explicitly here for ensuring that the Typeface is loaded here 785 // since Paint.measureText can not be called without Typeface static initializer. 786 p.setTypeface(Typeface.DEFAULT); 787 // We don't care about the result, just the side-effect of measuring. 788 p.measureText("H"); 789 } 790 791 /** 792 * Interface definition for a callback to be invoked when an action is 793 * performed on the editor. 794 */ 795 public interface OnEditorActionListener { 796 /** 797 * Called when an action is being performed. 798 * 799 * @param v The view that was clicked. 800 * @param actionId Identifier of the action. This will be either the 801 * identifier you supplied, or {@link EditorInfo#IME_NULL 802 * EditorInfo.IME_NULL} if being called due to the enter key 803 * being pressed. 804 * @param event If triggered by an enter key, this is the event; 805 * otherwise, this is null. 806 * @return Return true if you have consumed the action, else false. 807 */ 808 boolean onEditorAction(TextView v, int actionId, KeyEvent event); 809 } 810 811 public TextView(Context context) { 812 this(context, null); 813 } 814 815 public TextView(Context context, @Nullable AttributeSet attrs) { 816 this(context, attrs, com.android.internal.R.attr.textViewStyle); 817 } 818 819 public TextView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { 820 this(context, attrs, defStyleAttr, 0); 821 } 822 823 @SuppressWarnings("deprecation") 824 public TextView( 825 Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) { 826 super(context, attrs, defStyleAttr, defStyleRes); 827 828 // TextView is important by default, unless app developer overrode attribute. 829 if (getImportantForAutofill() == IMPORTANT_FOR_AUTOFILL_AUTO) { 830 setImportantForAutofill(IMPORTANT_FOR_AUTOFILL_YES); 831 } 832 833 mText = ""; 834 835 final Resources res = getResources(); 836 final CompatibilityInfo compat = res.getCompatibilityInfo(); 837 838 mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); 839 mTextPaint.density = res.getDisplayMetrics().density; 840 mTextPaint.setCompatibilityScaling(compat.applicationScale); 841 842 mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 843 mHighlightPaint.setCompatibilityScaling(compat.applicationScale); 844 845 mMovement = getDefaultMovementMethod(); 846 847 mTransformation = null; 848 849 int textColorHighlight = 0; 850 ColorStateList textColor = null; 851 ColorStateList textColorHint = null; 852 ColorStateList textColorLink = null; 853 int textSize = 15; 854 String fontFamily = null; 855 Typeface fontTypeface = null; 856 boolean fontFamilyExplicit = false; 857 int typefaceIndex = -1; 858 int styleIndex = -1; 859 boolean allCaps = false; 860 int shadowcolor = 0; 861 float dx = 0, dy = 0, r = 0; 862 boolean elegant = false; 863 float letterSpacing = 0; 864 String fontFeatureSettings = null; 865 mBreakStrategy = Layout.BREAK_STRATEGY_SIMPLE; 866 mHyphenationFrequency = Layout.HYPHENATION_FREQUENCY_NONE; 867 mJustificationMode = Layout.JUSTIFICATION_MODE_NONE; 868 869 final Resources.Theme theme = context.getTheme(); 870 871 /* 872 * Look the appearance up without checking first if it exists because 873 * almost every TextView has one and it greatly simplifies the logic 874 * to be able to parse the appearance first and then let specific tags 875 * for this View override it. 876 */ 877 TypedArray a = theme.obtainStyledAttributes(attrs, 878 com.android.internal.R.styleable.TextViewAppearance, defStyleAttr, defStyleRes); 879 TypedArray appearance = null; 880 int ap = a.getResourceId( 881 com.android.internal.R.styleable.TextViewAppearance_textAppearance, -1); 882 a.recycle(); 883 if (ap != -1) { 884 appearance = theme.obtainStyledAttributes( 885 ap, com.android.internal.R.styleable.TextAppearance); 886 } 887 if (appearance != null) { 888 int n = appearance.getIndexCount(); 889 for (int i = 0; i < n; i++) { 890 int attr = appearance.getIndex(i); 891 892 switch (attr) { 893 case com.android.internal.R.styleable.TextAppearance_textColorHighlight: 894 textColorHighlight = appearance.getColor(attr, textColorHighlight); 895 break; 896 897 case com.android.internal.R.styleable.TextAppearance_textColor: 898 textColor = appearance.getColorStateList(attr); 899 break; 900 901 case com.android.internal.R.styleable.TextAppearance_textColorHint: 902 textColorHint = appearance.getColorStateList(attr); 903 break; 904 905 case com.android.internal.R.styleable.TextAppearance_textColorLink: 906 textColorLink = appearance.getColorStateList(attr); 907 break; 908 909 case com.android.internal.R.styleable.TextAppearance_textSize: 910 textSize = appearance.getDimensionPixelSize(attr, textSize); 911 break; 912 913 case com.android.internal.R.styleable.TextAppearance_typeface: 914 typefaceIndex = appearance.getInt(attr, -1); 915 break; 916 917 case com.android.internal.R.styleable.TextAppearance_fontFamily: 918 if (!context.isRestricted() && context.canLoadUnsafeResources()) { 919 try { 920 fontTypeface = appearance.getFont(attr); 921 } catch (UnsupportedOperationException 922 | Resources.NotFoundException e) { 923 // Expected if it is not a font resource. 924 } 925 } 926 if (fontTypeface == null) { 927 fontFamily = appearance.getString(attr); 928 } 929 break; 930 931 case com.android.internal.R.styleable.TextAppearance_textStyle: 932 styleIndex = appearance.getInt(attr, -1); 933 break; 934 935 case com.android.internal.R.styleable.TextAppearance_textAllCaps: 936 allCaps = appearance.getBoolean(attr, false); 937 break; 938 939 case com.android.internal.R.styleable.TextAppearance_shadowColor: 940 shadowcolor = appearance.getInt(attr, 0); 941 break; 942 943 case com.android.internal.R.styleable.TextAppearance_shadowDx: 944 dx = appearance.getFloat(attr, 0); 945 break; 946 947 case com.android.internal.R.styleable.TextAppearance_shadowDy: 948 dy = appearance.getFloat(attr, 0); 949 break; 950 951 case com.android.internal.R.styleable.TextAppearance_shadowRadius: 952 r = appearance.getFloat(attr, 0); 953 break; 954 955 case com.android.internal.R.styleable.TextAppearance_elegantTextHeight: 956 elegant = appearance.getBoolean(attr, false); 957 break; 958 959 case com.android.internal.R.styleable.TextAppearance_letterSpacing: 960 letterSpacing = appearance.getFloat(attr, 0); 961 break; 962 963 case com.android.internal.R.styleable.TextAppearance_fontFeatureSettings: 964 fontFeatureSettings = appearance.getString(attr); 965 break; 966 } 967 } 968 969 appearance.recycle(); 970 } 971 972 boolean editable = getDefaultEditable(); 973 CharSequence inputMethod = null; 974 int numeric = 0; 975 CharSequence digits = null; 976 boolean phone = false; 977 boolean autotext = false; 978 int autocap = -1; 979 int buffertype = 0; 980 boolean selectallonfocus = false; 981 Drawable drawableLeft = null, drawableTop = null, drawableRight = null, 982 drawableBottom = null, drawableStart = null, drawableEnd = null; 983 ColorStateList drawableTint = null; 984 PorterDuff.Mode drawableTintMode = null; 985 int drawablePadding = 0; 986 int ellipsize = -1; 987 boolean singleLine = false; 988 int maxlength = -1; 989 CharSequence text = ""; 990 CharSequence hint = null; 991 boolean password = false; 992 float autoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 993 float autoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 994 float autoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 995 int inputType = EditorInfo.TYPE_NULL; 996 a = theme.obtainStyledAttributes( 997 attrs, com.android.internal.R.styleable.TextView, defStyleAttr, defStyleRes); 998 999 int n = a.getIndexCount(); 1000 1001 boolean fromResourceId = false; 1002 for (int i = 0; i < n; i++) { 1003 int attr = a.getIndex(i); 1004 1005 switch (attr) { 1006 case com.android.internal.R.styleable.TextView_editable: 1007 editable = a.getBoolean(attr, editable); 1008 break; 1009 1010 case com.android.internal.R.styleable.TextView_inputMethod: 1011 inputMethod = a.getText(attr); 1012 break; 1013 1014 case com.android.internal.R.styleable.TextView_numeric: 1015 numeric = a.getInt(attr, numeric); 1016 break; 1017 1018 case com.android.internal.R.styleable.TextView_digits: 1019 digits = a.getText(attr); 1020 break; 1021 1022 case com.android.internal.R.styleable.TextView_phoneNumber: 1023 phone = a.getBoolean(attr, phone); 1024 break; 1025 1026 case com.android.internal.R.styleable.TextView_autoText: 1027 autotext = a.getBoolean(attr, autotext); 1028 break; 1029 1030 case com.android.internal.R.styleable.TextView_capitalize: 1031 autocap = a.getInt(attr, autocap); 1032 break; 1033 1034 case com.android.internal.R.styleable.TextView_bufferType: 1035 buffertype = a.getInt(attr, buffertype); 1036 break; 1037 1038 case com.android.internal.R.styleable.TextView_selectAllOnFocus: 1039 selectallonfocus = a.getBoolean(attr, selectallonfocus); 1040 break; 1041 1042 case com.android.internal.R.styleable.TextView_autoLink: 1043 mAutoLinkMask = a.getInt(attr, 0); 1044 break; 1045 1046 case com.android.internal.R.styleable.TextView_linksClickable: 1047 mLinksClickable = a.getBoolean(attr, true); 1048 break; 1049 1050 case com.android.internal.R.styleable.TextView_drawableLeft: 1051 drawableLeft = a.getDrawable(attr); 1052 break; 1053 1054 case com.android.internal.R.styleable.TextView_drawableTop: 1055 drawableTop = a.getDrawable(attr); 1056 break; 1057 1058 case com.android.internal.R.styleable.TextView_drawableRight: 1059 drawableRight = a.getDrawable(attr); 1060 break; 1061 1062 case com.android.internal.R.styleable.TextView_drawableBottom: 1063 drawableBottom = a.getDrawable(attr); 1064 break; 1065 1066 case com.android.internal.R.styleable.TextView_drawableStart: 1067 drawableStart = a.getDrawable(attr); 1068 break; 1069 1070 case com.android.internal.R.styleable.TextView_drawableEnd: 1071 drawableEnd = a.getDrawable(attr); 1072 break; 1073 1074 case com.android.internal.R.styleable.TextView_drawableTint: 1075 drawableTint = a.getColorStateList(attr); 1076 break; 1077 1078 case com.android.internal.R.styleable.TextView_drawableTintMode: 1079 drawableTintMode = Drawable.parseTintMode(a.getInt(attr, -1), drawableTintMode); 1080 break; 1081 1082 case com.android.internal.R.styleable.TextView_drawablePadding: 1083 drawablePadding = a.getDimensionPixelSize(attr, drawablePadding); 1084 break; 1085 1086 case com.android.internal.R.styleable.TextView_maxLines: 1087 setMaxLines(a.getInt(attr, -1)); 1088 break; 1089 1090 case com.android.internal.R.styleable.TextView_maxHeight: 1091 setMaxHeight(a.getDimensionPixelSize(attr, -1)); 1092 break; 1093 1094 case com.android.internal.R.styleable.TextView_lines: 1095 setLines(a.getInt(attr, -1)); 1096 break; 1097 1098 case com.android.internal.R.styleable.TextView_height: 1099 setHeight(a.getDimensionPixelSize(attr, -1)); 1100 break; 1101 1102 case com.android.internal.R.styleable.TextView_minLines: 1103 setMinLines(a.getInt(attr, -1)); 1104 break; 1105 1106 case com.android.internal.R.styleable.TextView_minHeight: 1107 setMinHeight(a.getDimensionPixelSize(attr, -1)); 1108 break; 1109 1110 case com.android.internal.R.styleable.TextView_maxEms: 1111 setMaxEms(a.getInt(attr, -1)); 1112 break; 1113 1114 case com.android.internal.R.styleable.TextView_maxWidth: 1115 setMaxWidth(a.getDimensionPixelSize(attr, -1)); 1116 break; 1117 1118 case com.android.internal.R.styleable.TextView_ems: 1119 setEms(a.getInt(attr, -1)); 1120 break; 1121 1122 case com.android.internal.R.styleable.TextView_width: 1123 setWidth(a.getDimensionPixelSize(attr, -1)); 1124 break; 1125 1126 case com.android.internal.R.styleable.TextView_minEms: 1127 setMinEms(a.getInt(attr, -1)); 1128 break; 1129 1130 case com.android.internal.R.styleable.TextView_minWidth: 1131 setMinWidth(a.getDimensionPixelSize(attr, -1)); 1132 break; 1133 1134 case com.android.internal.R.styleable.TextView_gravity: 1135 setGravity(a.getInt(attr, -1)); 1136 break; 1137 1138 case com.android.internal.R.styleable.TextView_hint: 1139 hint = a.getText(attr); 1140 break; 1141 1142 case com.android.internal.R.styleable.TextView_text: 1143 fromResourceId = true; 1144 text = a.getText(attr); 1145 break; 1146 1147 case com.android.internal.R.styleable.TextView_scrollHorizontally: 1148 if (a.getBoolean(attr, false)) { 1149 setHorizontallyScrolling(true); 1150 } 1151 break; 1152 1153 case com.android.internal.R.styleable.TextView_singleLine: 1154 singleLine = a.getBoolean(attr, singleLine); 1155 break; 1156 1157 case com.android.internal.R.styleable.TextView_ellipsize: 1158 ellipsize = a.getInt(attr, ellipsize); 1159 break; 1160 1161 case com.android.internal.R.styleable.TextView_marqueeRepeatLimit: 1162 setMarqueeRepeatLimit(a.getInt(attr, mMarqueeRepeatLimit)); 1163 break; 1164 1165 case com.android.internal.R.styleable.TextView_includeFontPadding: 1166 if (!a.getBoolean(attr, true)) { 1167 setIncludeFontPadding(false); 1168 } 1169 break; 1170 1171 case com.android.internal.R.styleable.TextView_cursorVisible: 1172 if (!a.getBoolean(attr, true)) { 1173 setCursorVisible(false); 1174 } 1175 break; 1176 1177 case com.android.internal.R.styleable.TextView_maxLength: 1178 maxlength = a.getInt(attr, -1); 1179 break; 1180 1181 case com.android.internal.R.styleable.TextView_textScaleX: 1182 setTextScaleX(a.getFloat(attr, 1.0f)); 1183 break; 1184 1185 case com.android.internal.R.styleable.TextView_freezesText: 1186 mFreezesText = a.getBoolean(attr, false); 1187 break; 1188 1189 case com.android.internal.R.styleable.TextView_shadowColor: 1190 shadowcolor = a.getInt(attr, 0); 1191 break; 1192 1193 case com.android.internal.R.styleable.TextView_shadowDx: 1194 dx = a.getFloat(attr, 0); 1195 break; 1196 1197 case com.android.internal.R.styleable.TextView_shadowDy: 1198 dy = a.getFloat(attr, 0); 1199 break; 1200 1201 case com.android.internal.R.styleable.TextView_shadowRadius: 1202 r = a.getFloat(attr, 0); 1203 break; 1204 1205 case com.android.internal.R.styleable.TextView_enabled: 1206 setEnabled(a.getBoolean(attr, isEnabled())); 1207 break; 1208 1209 case com.android.internal.R.styleable.TextView_textColorHighlight: 1210 textColorHighlight = a.getColor(attr, textColorHighlight); 1211 break; 1212 1213 case com.android.internal.R.styleable.TextView_textColor: 1214 textColor = a.getColorStateList(attr); 1215 break; 1216 1217 case com.android.internal.R.styleable.TextView_textColorHint: 1218 textColorHint = a.getColorStateList(attr); 1219 break; 1220 1221 case com.android.internal.R.styleable.TextView_textColorLink: 1222 textColorLink = a.getColorStateList(attr); 1223 break; 1224 1225 case com.android.internal.R.styleable.TextView_textSize: 1226 textSize = a.getDimensionPixelSize(attr, textSize); 1227 break; 1228 1229 case com.android.internal.R.styleable.TextView_typeface: 1230 typefaceIndex = a.getInt(attr, typefaceIndex); 1231 break; 1232 1233 case com.android.internal.R.styleable.TextView_textStyle: 1234 styleIndex = a.getInt(attr, styleIndex); 1235 break; 1236 1237 case com.android.internal.R.styleable.TextView_fontFamily: 1238 if (!context.isRestricted() && context.canLoadUnsafeResources()) { 1239 try { 1240 fontTypeface = a.getFont(attr); 1241 } catch (UnsupportedOperationException | Resources.NotFoundException e) { 1242 // Expected if it is not a resource reference or if it is a reference to 1243 // another resource type. 1244 } 1245 } 1246 if (fontTypeface == null) { 1247 fontFamily = a.getString(attr); 1248 } 1249 fontFamilyExplicit = true; 1250 break; 1251 1252 case com.android.internal.R.styleable.TextView_password: 1253 password = a.getBoolean(attr, password); 1254 break; 1255 1256 case com.android.internal.R.styleable.TextView_lineSpacingExtra: 1257 mSpacingAdd = a.getDimensionPixelSize(attr, (int) mSpacingAdd); 1258 break; 1259 1260 case com.android.internal.R.styleable.TextView_lineSpacingMultiplier: 1261 mSpacingMult = a.getFloat(attr, mSpacingMult); 1262 break; 1263 1264 case com.android.internal.R.styleable.TextView_inputType: 1265 inputType = a.getInt(attr, EditorInfo.TYPE_NULL); 1266 break; 1267 1268 case com.android.internal.R.styleable.TextView_allowUndo: 1269 createEditorIfNeeded(); 1270 mEditor.mAllowUndo = a.getBoolean(attr, true); 1271 break; 1272 1273 case com.android.internal.R.styleable.TextView_imeOptions: 1274 createEditorIfNeeded(); 1275 mEditor.createInputContentTypeIfNeeded(); 1276 mEditor.mInputContentType.imeOptions = a.getInt(attr, 1277 mEditor.mInputContentType.imeOptions); 1278 break; 1279 1280 case com.android.internal.R.styleable.TextView_imeActionLabel: 1281 createEditorIfNeeded(); 1282 mEditor.createInputContentTypeIfNeeded(); 1283 mEditor.mInputContentType.imeActionLabel = a.getText(attr); 1284 break; 1285 1286 case com.android.internal.R.styleable.TextView_imeActionId: 1287 createEditorIfNeeded(); 1288 mEditor.createInputContentTypeIfNeeded(); 1289 mEditor.mInputContentType.imeActionId = a.getInt(attr, 1290 mEditor.mInputContentType.imeActionId); 1291 break; 1292 1293 case com.android.internal.R.styleable.TextView_privateImeOptions: 1294 setPrivateImeOptions(a.getString(attr)); 1295 break; 1296 1297 case com.android.internal.R.styleable.TextView_editorExtras: 1298 try { 1299 setInputExtras(a.getResourceId(attr, 0)); 1300 } catch (XmlPullParserException e) { 1301 Log.w(LOG_TAG, "Failure reading input extras", e); 1302 } catch (IOException e) { 1303 Log.w(LOG_TAG, "Failure reading input extras", e); 1304 } 1305 break; 1306 1307 case com.android.internal.R.styleable.TextView_textCursorDrawable: 1308 mCursorDrawableRes = a.getResourceId(attr, 0); 1309 break; 1310 1311 case com.android.internal.R.styleable.TextView_textSelectHandleLeft: 1312 mTextSelectHandleLeftRes = a.getResourceId(attr, 0); 1313 break; 1314 1315 case com.android.internal.R.styleable.TextView_textSelectHandleRight: 1316 mTextSelectHandleRightRes = a.getResourceId(attr, 0); 1317 break; 1318 1319 case com.android.internal.R.styleable.TextView_textSelectHandle: 1320 mTextSelectHandleRes = a.getResourceId(attr, 0); 1321 break; 1322 1323 case com.android.internal.R.styleable.TextView_textEditSuggestionItemLayout: 1324 mTextEditSuggestionItemLayout = a.getResourceId(attr, 0); 1325 break; 1326 1327 case com.android.internal.R.styleable.TextView_textEditSuggestionContainerLayout: 1328 mTextEditSuggestionContainerLayout = a.getResourceId(attr, 0); 1329 break; 1330 1331 case com.android.internal.R.styleable.TextView_textEditSuggestionHighlightStyle: 1332 mTextEditSuggestionHighlightStyle = a.getResourceId(attr, 0); 1333 break; 1334 1335 case com.android.internal.R.styleable.TextView_textIsSelectable: 1336 setTextIsSelectable(a.getBoolean(attr, false)); 1337 break; 1338 1339 case com.android.internal.R.styleable.TextView_textAllCaps: 1340 allCaps = a.getBoolean(attr, false); 1341 break; 1342 1343 case com.android.internal.R.styleable.TextView_elegantTextHeight: 1344 elegant = a.getBoolean(attr, false); 1345 break; 1346 1347 case com.android.internal.R.styleable.TextView_letterSpacing: 1348 letterSpacing = a.getFloat(attr, 0); 1349 break; 1350 1351 case com.android.internal.R.styleable.TextView_fontFeatureSettings: 1352 fontFeatureSettings = a.getString(attr); 1353 break; 1354 1355 case com.android.internal.R.styleable.TextView_breakStrategy: 1356 mBreakStrategy = a.getInt(attr, Layout.BREAK_STRATEGY_SIMPLE); 1357 break; 1358 1359 case com.android.internal.R.styleable.TextView_hyphenationFrequency: 1360 mHyphenationFrequency = a.getInt(attr, Layout.HYPHENATION_FREQUENCY_NONE); 1361 break; 1362 1363 case com.android.internal.R.styleable.TextView_autoSizeTextType: 1364 mAutoSizeTextType = a.getInt(attr, AUTO_SIZE_TEXT_TYPE_NONE); 1365 break; 1366 1367 case com.android.internal.R.styleable.TextView_autoSizeStepGranularity: 1368 autoSizeStepGranularityInPx = a.getDimension(attr, 1369 UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE); 1370 break; 1371 1372 case com.android.internal.R.styleable.TextView_autoSizeMinTextSize: 1373 autoSizeMinTextSizeInPx = a.getDimension(attr, 1374 UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE); 1375 break; 1376 1377 case com.android.internal.R.styleable.TextView_autoSizeMaxTextSize: 1378 autoSizeMaxTextSizeInPx = a.getDimension(attr, 1379 UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE); 1380 break; 1381 1382 case com.android.internal.R.styleable.TextView_autoSizePresetSizes: 1383 final int autoSizeStepSizeArrayResId = a.getResourceId(attr, 0); 1384 if (autoSizeStepSizeArrayResId > 0) { 1385 final TypedArray autoSizePresetTextSizes = a.getResources() 1386 .obtainTypedArray(autoSizeStepSizeArrayResId); 1387 setupAutoSizeUniformPresetSizes(autoSizePresetTextSizes); 1388 autoSizePresetTextSizes.recycle(); 1389 } 1390 break; 1391 case com.android.internal.R.styleable.TextView_justificationMode: 1392 mJustificationMode = a.getInt(attr, Layout.JUSTIFICATION_MODE_NONE); 1393 break; 1394 } 1395 } 1396 1397 a.recycle(); 1398 1399 BufferType bufferType = BufferType.EDITABLE; 1400 1401 final int variation = 1402 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 1403 final boolean passwordInputType = variation 1404 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD); 1405 final boolean webPasswordInputType = variation 1406 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD); 1407 final boolean numberPasswordInputType = variation 1408 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 1409 1410 mUseInternationalizedInput = 1411 context.getApplicationInfo().targetSdkVersion >= VERSION_CODES.O; 1412 1413 if (inputMethod != null) { 1414 Class<?> c; 1415 1416 try { 1417 c = Class.forName(inputMethod.toString()); 1418 } catch (ClassNotFoundException ex) { 1419 throw new RuntimeException(ex); 1420 } 1421 1422 try { 1423 createEditorIfNeeded(); 1424 mEditor.mKeyListener = (KeyListener) c.newInstance(); 1425 } catch (InstantiationException ex) { 1426 throw new RuntimeException(ex); 1427 } catch (IllegalAccessException ex) { 1428 throw new RuntimeException(ex); 1429 } 1430 try { 1431 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1432 ? inputType 1433 : mEditor.mKeyListener.getInputType(); 1434 } catch (IncompatibleClassChangeError e) { 1435 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1436 } 1437 } else if (digits != null) { 1438 createEditorIfNeeded(); 1439 mEditor.mKeyListener = DigitsKeyListener.getInstance(digits.toString()); 1440 // If no input type was specified, we will default to generic 1441 // text, since we can't tell the IME about the set of digits 1442 // that was selected. 1443 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1444 ? inputType : EditorInfo.TYPE_CLASS_TEXT; 1445 } else if (inputType != EditorInfo.TYPE_NULL) { 1446 setInputType(inputType, true); 1447 // If set, the input type overrides what was set using the deprecated singleLine flag. 1448 singleLine = !isMultilineInputType(inputType); 1449 } else if (phone) { 1450 createEditorIfNeeded(); 1451 mEditor.mKeyListener = DialerKeyListener.getInstance(); 1452 mEditor.mInputType = inputType = EditorInfo.TYPE_CLASS_PHONE; 1453 } else if (numeric != 0) { 1454 createEditorIfNeeded(); 1455 mEditor.mKeyListener = DigitsKeyListener.getInstance( 1456 null, // locale 1457 (numeric & SIGNED) != 0, 1458 (numeric & DECIMAL) != 0); 1459 inputType = mEditor.mKeyListener.getInputType(); 1460 mEditor.mInputType = inputType; 1461 } else if (autotext || autocap != -1) { 1462 TextKeyListener.Capitalize cap; 1463 1464 inputType = EditorInfo.TYPE_CLASS_TEXT; 1465 1466 switch (autocap) { 1467 case 1: 1468 cap = TextKeyListener.Capitalize.SENTENCES; 1469 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES; 1470 break; 1471 1472 case 2: 1473 cap = TextKeyListener.Capitalize.WORDS; 1474 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS; 1475 break; 1476 1477 case 3: 1478 cap = TextKeyListener.Capitalize.CHARACTERS; 1479 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS; 1480 break; 1481 1482 default: 1483 cap = TextKeyListener.Capitalize.NONE; 1484 break; 1485 } 1486 1487 createEditorIfNeeded(); 1488 mEditor.mKeyListener = TextKeyListener.getInstance(autotext, cap); 1489 mEditor.mInputType = inputType; 1490 } else if (editable) { 1491 createEditorIfNeeded(); 1492 mEditor.mKeyListener = TextKeyListener.getInstance(); 1493 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1494 } else if (isTextSelectable()) { 1495 // Prevent text changes from keyboard. 1496 if (mEditor != null) { 1497 mEditor.mKeyListener = null; 1498 mEditor.mInputType = EditorInfo.TYPE_NULL; 1499 } 1500 bufferType = BufferType.SPANNABLE; 1501 // So that selection can be changed using arrow keys and touch is handled. 1502 setMovementMethod(ArrowKeyMovementMethod.getInstance()); 1503 } else { 1504 if (mEditor != null) mEditor.mKeyListener = null; 1505 1506 switch (buffertype) { 1507 case 0: 1508 bufferType = BufferType.NORMAL; 1509 break; 1510 case 1: 1511 bufferType = BufferType.SPANNABLE; 1512 break; 1513 case 2: 1514 bufferType = BufferType.EDITABLE; 1515 break; 1516 } 1517 } 1518 1519 if (mEditor != null) { 1520 mEditor.adjustInputType(password, passwordInputType, webPasswordInputType, 1521 numberPasswordInputType); 1522 } 1523 1524 if (selectallonfocus) { 1525 createEditorIfNeeded(); 1526 mEditor.mSelectAllOnFocus = true; 1527 1528 if (bufferType == BufferType.NORMAL) { 1529 bufferType = BufferType.SPANNABLE; 1530 } 1531 } 1532 1533 // Set up the tint (if needed) before setting the drawables so that it 1534 // gets applied correctly. 1535 if (drawableTint != null || drawableTintMode != null) { 1536 if (mDrawables == null) { 1537 mDrawables = new Drawables(context); 1538 } 1539 if (drawableTint != null) { 1540 mDrawables.mTintList = drawableTint; 1541 mDrawables.mHasTint = true; 1542 } 1543 if (drawableTintMode != null) { 1544 mDrawables.mTintMode = drawableTintMode; 1545 mDrawables.mHasTintMode = true; 1546 } 1547 } 1548 1549 // This call will save the initial left/right drawables 1550 setCompoundDrawablesWithIntrinsicBounds( 1551 drawableLeft, drawableTop, drawableRight, drawableBottom); 1552 setRelativeDrawablesIfNeeded(drawableStart, drawableEnd); 1553 setCompoundDrawablePadding(drawablePadding); 1554 1555 // Same as setSingleLine(), but make sure the transformation method and the maximum number 1556 // of lines of height are unchanged for multi-line TextViews. 1557 setInputTypeSingleLine(singleLine); 1558 applySingleLine(singleLine, singleLine, singleLine); 1559 1560 if (singleLine && getKeyListener() == null && ellipsize < 0) { 1561 ellipsize = 3; // END 1562 } 1563 1564 switch (ellipsize) { 1565 case 1: 1566 setEllipsize(TextUtils.TruncateAt.START); 1567 break; 1568 case 2: 1569 setEllipsize(TextUtils.TruncateAt.MIDDLE); 1570 break; 1571 case 3: 1572 setEllipsize(TextUtils.TruncateAt.END); 1573 break; 1574 case 4: 1575 if (ViewConfiguration.get(context).isFadingMarqueeEnabled()) { 1576 setHorizontalFadingEdgeEnabled(true); 1577 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 1578 } else { 1579 setHorizontalFadingEdgeEnabled(false); 1580 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 1581 } 1582 setEllipsize(TextUtils.TruncateAt.MARQUEE); 1583 break; 1584 } 1585 1586 setTextColor(textColor != null ? textColor : ColorStateList.valueOf(0xFF000000)); 1587 setHintTextColor(textColorHint); 1588 setLinkTextColor(textColorLink); 1589 if (textColorHighlight != 0) { 1590 setHighlightColor(textColorHighlight); 1591 } 1592 setRawTextSize(textSize, true /* shouldRequestLayout */); 1593 setElegantTextHeight(elegant); 1594 setLetterSpacing(letterSpacing); 1595 setFontFeatureSettings(fontFeatureSettings); 1596 1597 if (allCaps) { 1598 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 1599 } 1600 1601 if (password || passwordInputType || webPasswordInputType || numberPasswordInputType) { 1602 setTransformationMethod(PasswordTransformationMethod.getInstance()); 1603 typefaceIndex = MONOSPACE; 1604 } else if (mEditor != null 1605 && (mEditor.mInputType 1606 & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION)) 1607 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) { 1608 typefaceIndex = MONOSPACE; 1609 } 1610 1611 if (typefaceIndex != -1 && !fontFamilyExplicit) { 1612 fontFamily = null; 1613 } 1614 setTypefaceFromAttrs(fontTypeface, fontFamily, typefaceIndex, styleIndex); 1615 1616 if (shadowcolor != 0) { 1617 setShadowLayer(r, dx, dy, shadowcolor); 1618 } 1619 1620 if (maxlength >= 0) { 1621 setFilters(new InputFilter[] { new InputFilter.LengthFilter(maxlength) }); 1622 } else { 1623 setFilters(NO_FILTERS); 1624 } 1625 1626 setText(text, bufferType); 1627 if (fromResourceId) { 1628 mTextFromResource = true; 1629 } 1630 1631 if (hint != null) setHint(hint); 1632 1633 /* 1634 * Views are not normally clickable unless specified to be. 1635 * However, TextViews that have input or movement methods *are* 1636 * clickable by default. By setting clickable here, we implicitly set focusable as well 1637 * if not overridden by the developer. 1638 */ 1639 a = context.obtainStyledAttributes( 1640 attrs, com.android.internal.R.styleable.View, defStyleAttr, defStyleRes); 1641 boolean canInputOrMove = (mMovement != null || getKeyListener() != null); 1642 boolean clickable = canInputOrMove || isClickable(); 1643 boolean longClickable = canInputOrMove || isLongClickable(); 1644 int focusable = getFocusable(); 1645 1646 n = a.getIndexCount(); 1647 for (int i = 0; i < n; i++) { 1648 int attr = a.getIndex(i); 1649 1650 switch (attr) { 1651 case com.android.internal.R.styleable.View_focusable: 1652 TypedValue val = new TypedValue(); 1653 if (a.getValue(attr, val)) { 1654 focusable = (val.type == TypedValue.TYPE_INT_BOOLEAN) 1655 ? (val.data == 0 ? NOT_FOCUSABLE : FOCUSABLE) 1656 : val.data; 1657 } 1658 break; 1659 1660 case com.android.internal.R.styleable.View_clickable: 1661 clickable = a.getBoolean(attr, clickable); 1662 break; 1663 1664 case com.android.internal.R.styleable.View_longClickable: 1665 longClickable = a.getBoolean(attr, longClickable); 1666 break; 1667 } 1668 } 1669 a.recycle(); 1670 1671 // Some apps were relying on the undefined behavior of focusable winning over 1672 // focusableInTouchMode != focusable in TextViews if both were specified in XML (usually 1673 // when starting with EditText and setting only focusable=false). To keep those apps from 1674 // breaking, re-apply the focusable attribute here. 1675 if (focusable != getFocusable()) { 1676 setFocusable(focusable); 1677 } 1678 setClickable(clickable); 1679 setLongClickable(longClickable); 1680 1681 if (mEditor != null) mEditor.prepareCursorControllers(); 1682 1683 // If not explicitly specified this view is important for accessibility. 1684 if (getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 1685 setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 1686 } 1687 1688 if (supportsAutoSizeText()) { 1689 if (mAutoSizeTextType == AUTO_SIZE_TEXT_TYPE_UNIFORM) { 1690 // If uniform auto-size has been specified but preset values have not been set then 1691 // replace the auto-size configuration values that have not been specified with the 1692 // defaults. 1693 if (!mHasPresetAutoSizeValues) { 1694 final DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); 1695 1696 if (autoSizeMinTextSizeInPx == UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE) { 1697 autoSizeMinTextSizeInPx = TypedValue.applyDimension( 1698 TypedValue.COMPLEX_UNIT_SP, 1699 DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP, 1700 displayMetrics); 1701 } 1702 1703 if (autoSizeMaxTextSizeInPx == UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE) { 1704 autoSizeMaxTextSizeInPx = TypedValue.applyDimension( 1705 TypedValue.COMPLEX_UNIT_SP, 1706 DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP, 1707 displayMetrics); 1708 } 1709 1710 if (autoSizeStepGranularityInPx 1711 == UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE) { 1712 autoSizeStepGranularityInPx = DEFAULT_AUTO_SIZE_GRANULARITY_IN_PX; 1713 } 1714 1715 validateAndSetAutoSizeTextTypeUniformConfiguration(autoSizeMinTextSizeInPx, 1716 autoSizeMaxTextSizeInPx, 1717 autoSizeStepGranularityInPx); 1718 } 1719 1720 setupAutoSizeText(); 1721 } 1722 } else { 1723 mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_NONE; 1724 } 1725 } 1726 1727 /** 1728 * Specify whether this widget should automatically scale the text to try to perfectly fit 1729 * within the layout bounds by using the default auto-size configuration. 1730 * 1731 * @param autoSizeTextType the type of auto-size. Must be one of 1732 * {@link TextView#AUTO_SIZE_TEXT_TYPE_NONE} or 1733 * {@link TextView#AUTO_SIZE_TEXT_TYPE_UNIFORM} 1734 * 1735 * @throws IllegalArgumentException if <code>autoSizeTextType</code> is none of the types above. 1736 * 1737 * @attr ref android.R.styleable#TextView_autoSizeTextType 1738 * 1739 * @see #getAutoSizeTextType() 1740 */ 1741 public void setAutoSizeTextTypeWithDefaults(@AutoSizeTextType int autoSizeTextType) { 1742 if (supportsAutoSizeText()) { 1743 switch (autoSizeTextType) { 1744 case AUTO_SIZE_TEXT_TYPE_NONE: 1745 clearAutoSizeConfiguration(); 1746 break; 1747 case AUTO_SIZE_TEXT_TYPE_UNIFORM: 1748 final DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); 1749 final float autoSizeMinTextSizeInPx = TypedValue.applyDimension( 1750 TypedValue.COMPLEX_UNIT_SP, 1751 DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP, 1752 displayMetrics); 1753 final float autoSizeMaxTextSizeInPx = TypedValue.applyDimension( 1754 TypedValue.COMPLEX_UNIT_SP, 1755 DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP, 1756 displayMetrics); 1757 1758 validateAndSetAutoSizeTextTypeUniformConfiguration( 1759 autoSizeMinTextSizeInPx, 1760 autoSizeMaxTextSizeInPx, 1761 DEFAULT_AUTO_SIZE_GRANULARITY_IN_PX); 1762 if (setupAutoSizeText()) { 1763 autoSizeText(); 1764 invalidate(); 1765 } 1766 break; 1767 default: 1768 throw new IllegalArgumentException( 1769 "Unknown auto-size text type: " + autoSizeTextType); 1770 } 1771 } 1772 } 1773 1774 /** 1775 * Specify whether this widget should automatically scale the text to try to perfectly fit 1776 * within the layout bounds. If all the configuration params are valid the type of auto-size is 1777 * set to {@link #AUTO_SIZE_TEXT_TYPE_UNIFORM}. 1778 * 1779 * @param autoSizeMinTextSize the minimum text size available for auto-size 1780 * @param autoSizeMaxTextSize the maximum text size available for auto-size 1781 * @param autoSizeStepGranularity the auto-size step granularity. It is used in conjunction with 1782 * the minimum and maximum text size in order to build the set of 1783 * text sizes the system uses to choose from when auto-sizing 1784 * @param unit the desired dimension unit for all sizes above. See {@link TypedValue} for the 1785 * possible dimension units 1786 * 1787 * @throws IllegalArgumentException if any of the configuration params are invalid. 1788 * 1789 * @attr ref android.R.styleable#TextView_autoSizeTextType 1790 * @attr ref android.R.styleable#TextView_autoSizeMinTextSize 1791 * @attr ref android.R.styleable#TextView_autoSizeMaxTextSize 1792 * @attr ref android.R.styleable#TextView_autoSizeStepGranularity 1793 * 1794 * @see #setAutoSizeTextTypeWithDefaults(int) 1795 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1796 * @see #getAutoSizeMinTextSize() 1797 * @see #getAutoSizeMaxTextSize() 1798 * @see #getAutoSizeStepGranularity() 1799 * @see #getAutoSizeTextAvailableSizes() 1800 */ 1801 public void setAutoSizeTextTypeUniformWithConfiguration(int autoSizeMinTextSize, 1802 int autoSizeMaxTextSize, int autoSizeStepGranularity, int unit) { 1803 if (supportsAutoSizeText()) { 1804 final DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); 1805 final float autoSizeMinTextSizeInPx = TypedValue.applyDimension( 1806 unit, autoSizeMinTextSize, displayMetrics); 1807 final float autoSizeMaxTextSizeInPx = TypedValue.applyDimension( 1808 unit, autoSizeMaxTextSize, displayMetrics); 1809 final float autoSizeStepGranularityInPx = TypedValue.applyDimension( 1810 unit, autoSizeStepGranularity, displayMetrics); 1811 1812 validateAndSetAutoSizeTextTypeUniformConfiguration(autoSizeMinTextSizeInPx, 1813 autoSizeMaxTextSizeInPx, 1814 autoSizeStepGranularityInPx); 1815 1816 if (setupAutoSizeText()) { 1817 autoSizeText(); 1818 invalidate(); 1819 } 1820 } 1821 } 1822 1823 /** 1824 * Specify whether this widget should automatically scale the text to try to perfectly fit 1825 * within the layout bounds. If at least one value from the <code>presetSizes</code> is valid 1826 * then the type of auto-size is set to {@link #AUTO_SIZE_TEXT_TYPE_UNIFORM}. 1827 * 1828 * @param presetSizes an {@code int} array of sizes in pixels 1829 * @param unit the desired dimension unit for the preset sizes above. See {@link TypedValue} for 1830 * the possible dimension units 1831 * 1832 * @throws IllegalArgumentException if all of the <code>presetSizes</code> are invalid. 1833 * 1834 * @attr ref android.R.styleable#TextView_autoSizeTextType 1835 * @attr ref android.R.styleable#TextView_autoSizePresetSizes 1836 * 1837 * @see #setAutoSizeTextTypeWithDefaults(int) 1838 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1839 * @see #getAutoSizeMinTextSize() 1840 * @see #getAutoSizeMaxTextSize() 1841 * @see #getAutoSizeTextAvailableSizes() 1842 */ 1843 public void setAutoSizeTextTypeUniformWithPresetSizes(@NonNull int[] presetSizes, int unit) { 1844 if (supportsAutoSizeText()) { 1845 final int presetSizesLength = presetSizes.length; 1846 if (presetSizesLength > 0) { 1847 int[] presetSizesInPx = new int[presetSizesLength]; 1848 1849 if (unit == TypedValue.COMPLEX_UNIT_PX) { 1850 presetSizesInPx = Arrays.copyOf(presetSizes, presetSizesLength); 1851 } else { 1852 final DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); 1853 // Convert all to sizes to pixels. 1854 for (int i = 0; i < presetSizesLength; i++) { 1855 presetSizesInPx[i] = Math.round(TypedValue.applyDimension(unit, 1856 presetSizes[i], displayMetrics)); 1857 } 1858 } 1859 1860 mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(presetSizesInPx); 1861 if (!setupAutoSizeUniformPresetSizesConfiguration()) { 1862 throw new IllegalArgumentException("None of the preset sizes is valid: " 1863 + Arrays.toString(presetSizes)); 1864 } 1865 } else { 1866 mHasPresetAutoSizeValues = false; 1867 } 1868 1869 if (setupAutoSizeText()) { 1870 autoSizeText(); 1871 invalidate(); 1872 } 1873 } 1874 } 1875 1876 /** 1877 * Returns the type of auto-size set for this widget. 1878 * 1879 * @return an {@code int} corresponding to one of the auto-size types: 1880 * {@link TextView#AUTO_SIZE_TEXT_TYPE_NONE} or 1881 * {@link TextView#AUTO_SIZE_TEXT_TYPE_UNIFORM} 1882 * 1883 * @attr ref android.R.styleable#TextView_autoSizeTextType 1884 * 1885 * @see #setAutoSizeTextTypeWithDefaults(int) 1886 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1887 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1888 */ 1889 @AutoSizeTextType 1890 public int getAutoSizeTextType() { 1891 return mAutoSizeTextType; 1892 } 1893 1894 /** 1895 * @return the current auto-size step granularity in pixels. 1896 * 1897 * @attr ref android.R.styleable#TextView_autoSizeStepGranularity 1898 * 1899 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1900 */ 1901 public int getAutoSizeStepGranularity() { 1902 return Math.round(mAutoSizeStepGranularityInPx); 1903 } 1904 1905 /** 1906 * @return the current auto-size minimum text size in pixels (the default is 12sp). Note that 1907 * if auto-size has not been configured this function returns {@code -1}. 1908 * 1909 * @attr ref android.R.styleable#TextView_autoSizeMinTextSize 1910 * 1911 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1912 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1913 */ 1914 public int getAutoSizeMinTextSize() { 1915 return Math.round(mAutoSizeMinTextSizeInPx); 1916 } 1917 1918 /** 1919 * @return the current auto-size maximum text size in pixels (the default is 112sp). Note that 1920 * if auto-size has not been configured this function returns {@code -1}. 1921 * 1922 * @attr ref android.R.styleable#TextView_autoSizeMaxTextSize 1923 * 1924 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1925 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1926 */ 1927 public int getAutoSizeMaxTextSize() { 1928 return Math.round(mAutoSizeMaxTextSizeInPx); 1929 } 1930 1931 /** 1932 * @return the current auto-size {@code int} sizes array (in pixels). 1933 * 1934 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1935 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1936 */ 1937 public int[] getAutoSizeTextAvailableSizes() { 1938 return mAutoSizeTextSizesInPx; 1939 } 1940 1941 private void setupAutoSizeUniformPresetSizes(TypedArray textSizes) { 1942 final int textSizesLength = textSizes.length(); 1943 final int[] parsedSizes = new int[textSizesLength]; 1944 1945 if (textSizesLength > 0) { 1946 for (int i = 0; i < textSizesLength; i++) { 1947 parsedSizes[i] = textSizes.getDimensionPixelSize(i, -1); 1948 } 1949 mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(parsedSizes); 1950 setupAutoSizeUniformPresetSizesConfiguration(); 1951 } 1952 } 1953 1954 private boolean setupAutoSizeUniformPresetSizesConfiguration() { 1955 final int sizesLength = mAutoSizeTextSizesInPx.length; 1956 mHasPresetAutoSizeValues = sizesLength > 0; 1957 if (mHasPresetAutoSizeValues) { 1958 mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_UNIFORM; 1959 mAutoSizeMinTextSizeInPx = mAutoSizeTextSizesInPx[0]; 1960 mAutoSizeMaxTextSizeInPx = mAutoSizeTextSizesInPx[sizesLength - 1]; 1961 mAutoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 1962 } 1963 return mHasPresetAutoSizeValues; 1964 } 1965 1966 /** 1967 * If all params are valid then save the auto-size configuration. 1968 * 1969 * @throws IllegalArgumentException if any of the params are invalid 1970 */ 1971 private void validateAndSetAutoSizeTextTypeUniformConfiguration(float autoSizeMinTextSizeInPx, 1972 float autoSizeMaxTextSizeInPx, float autoSizeStepGranularityInPx) { 1973 // First validate. 1974 if (autoSizeMinTextSizeInPx <= 0) { 1975 throw new IllegalArgumentException("Minimum auto-size text size (" 1976 + autoSizeMinTextSizeInPx + "px) is less or equal to (0px)"); 1977 } 1978 1979 if (autoSizeMaxTextSizeInPx <= autoSizeMinTextSizeInPx) { 1980 throw new IllegalArgumentException("Maximum auto-size text size (" 1981 + autoSizeMaxTextSizeInPx + "px) is less or equal to minimum auto-size " 1982 + "text size (" + autoSizeMinTextSizeInPx + "px)"); 1983 } 1984 1985 if (autoSizeStepGranularityInPx <= 0) { 1986 throw new IllegalArgumentException("The auto-size step granularity (" 1987 + autoSizeStepGranularityInPx + "px) is less or equal to (0px)"); 1988 } 1989 1990 // All good, persist the configuration. 1991 mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_UNIFORM; 1992 mAutoSizeMinTextSizeInPx = autoSizeMinTextSizeInPx; 1993 mAutoSizeMaxTextSizeInPx = autoSizeMaxTextSizeInPx; 1994 mAutoSizeStepGranularityInPx = autoSizeStepGranularityInPx; 1995 mHasPresetAutoSizeValues = false; 1996 } 1997 1998 private void clearAutoSizeConfiguration() { 1999 mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_NONE; 2000 mAutoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 2001 mAutoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 2002 mAutoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 2003 mAutoSizeTextSizesInPx = EmptyArray.INT; 2004 mNeedsAutoSizeText = false; 2005 } 2006 2007 // Returns distinct sorted positive values. 2008 private int[] cleanupAutoSizePresetSizes(int[] presetValues) { 2009 final int presetValuesLength = presetValues.length; 2010 if (presetValuesLength == 0) { 2011 return presetValues; 2012 } 2013 Arrays.sort(presetValues); 2014 2015 final IntArray uniqueValidSizes = new IntArray(); 2016 for (int i = 0; i < presetValuesLength; i++) { 2017 final int currentPresetValue = presetValues[i]; 2018 2019 if (currentPresetValue > 0 2020 && uniqueValidSizes.binarySearch(currentPresetValue) < 0) { 2021 uniqueValidSizes.add(currentPresetValue); 2022 } 2023 } 2024 2025 return presetValuesLength == uniqueValidSizes.size() 2026 ? presetValues 2027 : uniqueValidSizes.toArray(); 2028 } 2029 2030 private boolean setupAutoSizeText() { 2031 if (supportsAutoSizeText() && mAutoSizeTextType == AUTO_SIZE_TEXT_TYPE_UNIFORM) { 2032 // Calculate the sizes set based on minimum size, maximum size and step size if we do 2033 // not have a predefined set of sizes or if the current sizes array is empty. 2034 if (!mHasPresetAutoSizeValues || mAutoSizeTextSizesInPx.length == 0) { 2035 int autoSizeValuesLength = 1; 2036 float currentSize = Math.round(mAutoSizeMinTextSizeInPx); 2037 while (Math.round(currentSize + mAutoSizeStepGranularityInPx) 2038 <= Math.round(mAutoSizeMaxTextSizeInPx)) { 2039 autoSizeValuesLength++; 2040 currentSize += mAutoSizeStepGranularityInPx; 2041 } 2042 2043 int[] autoSizeTextSizesInPx = new int[autoSizeValuesLength]; 2044 float sizeToAdd = mAutoSizeMinTextSizeInPx; 2045 for (int i = 0; i < autoSizeValuesLength; i++) { 2046 autoSizeTextSizesInPx[i] = Math.round(sizeToAdd); 2047 sizeToAdd += mAutoSizeStepGranularityInPx; 2048 } 2049 mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(autoSizeTextSizesInPx); 2050 } 2051 2052 mNeedsAutoSizeText = true; 2053 } else { 2054 mNeedsAutoSizeText = false; 2055 } 2056 2057 return mNeedsAutoSizeText; 2058 } 2059 2060 private int[] parseDimensionArray(TypedArray dimens) { 2061 if (dimens == null) { 2062 return null; 2063 } 2064 int[] result = new int[dimens.length()]; 2065 for (int i = 0; i < result.length; i++) { 2066 result[i] = dimens.getDimensionPixelSize(i, 0); 2067 } 2068 return result; 2069 } 2070 2071 /** 2072 * @hide 2073 */ 2074 @Override 2075 public void onActivityResult(int requestCode, int resultCode, Intent data) { 2076 if (requestCode == PROCESS_TEXT_REQUEST_CODE) { 2077 if (resultCode == Activity.RESULT_OK && data != null) { 2078 CharSequence result = data.getCharSequenceExtra(Intent.EXTRA_PROCESS_TEXT); 2079 if (result != null) { 2080 if (isTextEditable()) { 2081 replaceSelectionWithText(result); 2082 if (mEditor != null) { 2083 mEditor.refreshTextActionMode(); 2084 } 2085 } else { 2086 if (result.length() > 0) { 2087 Toast.makeText(getContext(), String.valueOf(result), Toast.LENGTH_LONG) 2088 .show(); 2089 } 2090 } 2091 } 2092 } else if (mText instanceof Spannable) { 2093 // Reset the selection. 2094 Selection.setSelection((Spannable) mText, getSelectionEnd()); 2095 } 2096 } 2097 } 2098 2099 private void setTypefaceFromAttrs(Typeface fontTypeface, String familyName, int typefaceIndex, 2100 int styleIndex) { 2101 Typeface tf = fontTypeface; 2102 if (tf == null && familyName != null) { 2103 tf = Typeface.create(familyName, styleIndex); 2104 } else if (tf != null && tf.getStyle() != styleIndex) { 2105 tf = Typeface.create(tf, styleIndex); 2106 } 2107 if (tf != null) { 2108 setTypeface(tf); 2109 return; 2110 } 2111 switch (typefaceIndex) { 2112 case SANS: 2113 tf = Typeface.SANS_SERIF; 2114 break; 2115 2116 case SERIF: 2117 tf = Typeface.SERIF; 2118 break; 2119 2120 case MONOSPACE: 2121 tf = Typeface.MONOSPACE; 2122 break; 2123 } 2124 2125 setTypeface(tf, styleIndex); 2126 } 2127 2128 private void setRelativeDrawablesIfNeeded(Drawable start, Drawable end) { 2129 boolean hasRelativeDrawables = (start != null) || (end != null); 2130 if (hasRelativeDrawables) { 2131 Drawables dr = mDrawables; 2132 if (dr == null) { 2133 mDrawables = dr = new Drawables(getContext()); 2134 } 2135 mDrawables.mOverride = true; 2136 final Rect compoundRect = dr.mCompoundRect; 2137 int[] state = getDrawableState(); 2138 if (start != null) { 2139 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 2140 start.setState(state); 2141 start.copyBounds(compoundRect); 2142 start.setCallback(this); 2143 2144 dr.mDrawableStart = start; 2145 dr.mDrawableSizeStart = compoundRect.width(); 2146 dr.mDrawableHeightStart = compoundRect.height(); 2147 } else { 2148 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2149 } 2150 if (end != null) { 2151 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 2152 end.setState(state); 2153 end.copyBounds(compoundRect); 2154 end.setCallback(this); 2155 2156 dr.mDrawableEnd = end; 2157 dr.mDrawableSizeEnd = compoundRect.width(); 2158 dr.mDrawableHeightEnd = compoundRect.height(); 2159 } else { 2160 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2161 } 2162 resetResolvedDrawables(); 2163 resolveDrawables(); 2164 applyCompoundDrawableTint(); 2165 } 2166 } 2167 2168 @android.view.RemotableViewMethod 2169 @Override 2170 public void setEnabled(boolean enabled) { 2171 if (enabled == isEnabled()) { 2172 return; 2173 } 2174 2175 if (!enabled) { 2176 // Hide the soft input if the currently active TextView is disabled 2177 InputMethodManager imm = InputMethodManager.peekInstance(); 2178 if (imm != null && imm.isActive(this)) { 2179 imm.hideSoftInputFromWindow(getWindowToken(), 0); 2180 } 2181 } 2182 2183 super.setEnabled(enabled); 2184 2185 if (enabled) { 2186 // Make sure IME is updated with current editor info. 2187 InputMethodManager imm = InputMethodManager.peekInstance(); 2188 if (imm != null) imm.restartInput(this); 2189 } 2190 2191 // Will change text color 2192 if (mEditor != null) { 2193 mEditor.invalidateTextDisplayList(); 2194 mEditor.prepareCursorControllers(); 2195 2196 // start or stop the cursor blinking as appropriate 2197 mEditor.makeBlink(); 2198 } 2199 } 2200 2201 /** 2202 * Sets the typeface and style in which the text should be displayed, 2203 * and turns on the fake bold and italic bits in the Paint if the 2204 * Typeface that you provided does not have all the bits in the 2205 * style that you specified. 2206 * 2207 * @attr ref android.R.styleable#TextView_typeface 2208 * @attr ref android.R.styleable#TextView_textStyle 2209 */ 2210 public void setTypeface(Typeface tf, int style) { 2211 if (style > 0) { 2212 if (tf == null) { 2213 tf = Typeface.defaultFromStyle(style); 2214 } else { 2215 tf = Typeface.create(tf, style); 2216 } 2217 2218 setTypeface(tf); 2219 // now compute what (if any) algorithmic styling is needed 2220 int typefaceStyle = tf != null ? tf.getStyle() : 0; 2221 int need = style & ~typefaceStyle; 2222 mTextPaint.setFakeBoldText((need & Typeface.BOLD) != 0); 2223 mTextPaint.setTextSkewX((need & Typeface.ITALIC) != 0 ? -0.25f : 0); 2224 } else { 2225 mTextPaint.setFakeBoldText(false); 2226 mTextPaint.setTextSkewX(0); 2227 setTypeface(tf); 2228 } 2229 } 2230 2231 /** 2232 * Subclasses override this to specify that they have a KeyListener 2233 * by default even if not specifically called for in the XML options. 2234 */ 2235 protected boolean getDefaultEditable() { 2236 return false; 2237 } 2238 2239 /** 2240 * Subclasses override this to specify a default movement method. 2241 */ 2242 protected MovementMethod getDefaultMovementMethod() { 2243 return null; 2244 } 2245 2246 /** 2247 * Return the text that TextView is displaying. If {@link #setText(CharSequence)} was called 2248 * with an argument of {@link android.widget.TextView.BufferType#SPANNABLE BufferType.SPANNABLE} 2249 * or {@link android.widget.TextView.BufferType#EDITABLE BufferType.EDITABLE}, you can cast 2250 * the return value from this method to Spannable or Editable, respectively. 2251 * 2252 * <p>The content of the return value should not be modified. If you want a modifiable one, you 2253 * should make your own copy first.</p> 2254 * 2255 * @return The text displayed by the text view. 2256 * @attr ref android.R.styleable#TextView_text 2257 */ 2258 @ViewDebug.CapturedViewProperty 2259 public CharSequence getText() { 2260 return mText; 2261 } 2262 2263 /** 2264 * Returns the length, in characters, of the text managed by this TextView 2265 * @return The length of the text managed by the TextView in characters. 2266 */ 2267 public int length() { 2268 return mText.length(); 2269 } 2270 2271 /** 2272 * Return the text that TextView is displaying as an Editable object. If the text is not 2273 * editable, null is returned. 2274 * 2275 * @see #getText 2276 */ 2277 public Editable getEditableText() { 2278 return (mText instanceof Editable) ? (Editable) mText : null; 2279 } 2280 2281 /** 2282 * Gets the vertical distance between lines of text, in pixels. 2283 * Note that markup within the text can cause individual lines 2284 * to be taller or shorter than this height, and the layout may 2285 * contain additional first-or last-line padding. 2286 * @return The height of one standard line in pixels. 2287 */ 2288 public int getLineHeight() { 2289 return FastMath.round(mTextPaint.getFontMetricsInt(null) * mSpacingMult + mSpacingAdd); 2290 } 2291 2292 /** 2293 * Gets the {@link android.text.Layout} that is currently being used to display the text. 2294 * This value can be null if the text or width has recently changed. 2295 * @return The Layout that is currently being used to display the text. 2296 */ 2297 public final Layout getLayout() { 2298 return mLayout; 2299 } 2300 2301 /** 2302 * @return the {@link android.text.Layout} that is currently being used to 2303 * display the hint text. This can be null. 2304 */ 2305 final Layout getHintLayout() { 2306 return mHintLayout; 2307 } 2308 2309 /** 2310 * Retrieve the {@link android.content.UndoManager} that is currently associated 2311 * with this TextView. By default there is no associated UndoManager, so null 2312 * is returned. One can be associated with the TextView through 2313 * {@link #setUndoManager(android.content.UndoManager, String)} 2314 * 2315 * @hide 2316 */ 2317 public final UndoManager getUndoManager() { 2318 // TODO: Consider supporting a global undo manager. 2319 throw new UnsupportedOperationException("not implemented"); 2320 } 2321 2322 2323 /** 2324 * @hide 2325 */ 2326 @VisibleForTesting 2327 public final Editor getEditorForTesting() { 2328 return mEditor; 2329 } 2330 2331 /** 2332 * Associate an {@link android.content.UndoManager} with this TextView. Once 2333 * done, all edit operations on the TextView will result in appropriate 2334 * {@link android.content.UndoOperation} objects pushed on the given UndoManager's 2335 * stack. 2336 * 2337 * @param undoManager The {@link android.content.UndoManager} to associate with 2338 * this TextView, or null to clear any existing association. 2339 * @param tag String tag identifying this particular TextView owner in the 2340 * UndoManager. This is used to keep the correct association with the 2341 * {@link android.content.UndoOwner} of any operations inside of the UndoManager. 2342 * 2343 * @hide 2344 */ 2345 public final void setUndoManager(UndoManager undoManager, String tag) { 2346 // TODO: Consider supporting a global undo manager. An implementation will need to: 2347 // * createEditorIfNeeded() 2348 // * Promote to BufferType.EDITABLE if needed. 2349 // * Update the UndoManager and UndoOwner. 2350 // Likewise it will need to be able to restore the default UndoManager. 2351 throw new UnsupportedOperationException("not implemented"); 2352 } 2353 2354 /** 2355 * Gets the current {@link KeyListener} for the TextView. 2356 * This will frequently be null for non-EditText TextViews. 2357 * @return the current key listener for this TextView. 2358 * 2359 * @attr ref android.R.styleable#TextView_numeric 2360 * @attr ref android.R.styleable#TextView_digits 2361 * @attr ref android.R.styleable#TextView_phoneNumber 2362 * @attr ref android.R.styleable#TextView_inputMethod 2363 * @attr ref android.R.styleable#TextView_capitalize 2364 * @attr ref android.R.styleable#TextView_autoText 2365 */ 2366 public final KeyListener getKeyListener() { 2367 return mEditor == null ? null : mEditor.mKeyListener; 2368 } 2369 2370 /** 2371 * Sets the key listener to be used with this TextView. This can be null 2372 * to disallow user input. Note that this method has significant and 2373 * subtle interactions with soft keyboards and other input method: 2374 * see {@link KeyListener#getInputType() KeyListener.getContentType()} 2375 * for important details. Calling this method will replace the current 2376 * content type of the text view with the content type returned by the 2377 * key listener. 2378 * <p> 2379 * Be warned that if you want a TextView with a key listener or movement 2380 * method not to be focusable, or if you want a TextView without a 2381 * key listener or movement method to be focusable, you must call 2382 * {@link #setFocusable} again after calling this to get the focusability 2383 * back the way you want it. 2384 * 2385 * @attr ref android.R.styleable#TextView_numeric 2386 * @attr ref android.R.styleable#TextView_digits 2387 * @attr ref android.R.styleable#TextView_phoneNumber 2388 * @attr ref android.R.styleable#TextView_inputMethod 2389 * @attr ref android.R.styleable#TextView_capitalize 2390 * @attr ref android.R.styleable#TextView_autoText 2391 */ 2392 public void setKeyListener(KeyListener input) { 2393 mListenerChanged = true; 2394 setKeyListenerOnly(input); 2395 fixFocusableAndClickableSettings(); 2396 2397 if (input != null) { 2398 createEditorIfNeeded(); 2399 setInputTypeFromEditor(); 2400 } else { 2401 if (mEditor != null) mEditor.mInputType = EditorInfo.TYPE_NULL; 2402 } 2403 2404 InputMethodManager imm = InputMethodManager.peekInstance(); 2405 if (imm != null) imm.restartInput(this); 2406 } 2407 2408 private void setInputTypeFromEditor() { 2409 try { 2410 mEditor.mInputType = mEditor.mKeyListener.getInputType(); 2411 } catch (IncompatibleClassChangeError e) { 2412 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 2413 } 2414 // Change inputType, without affecting transformation. 2415 // No need to applySingleLine since mSingleLine is unchanged. 2416 setInputTypeSingleLine(mSingleLine); 2417 } 2418 2419 private void setKeyListenerOnly(KeyListener input) { 2420 if (mEditor == null && input == null) return; // null is the default value 2421 2422 createEditorIfNeeded(); 2423 if (mEditor.mKeyListener != input) { 2424 mEditor.mKeyListener = input; 2425 if (input != null && !(mText instanceof Editable)) { 2426 setText(mText); 2427 } 2428 2429 setFilters((Editable) mText, mFilters); 2430 } 2431 } 2432 2433 /** 2434 * Gets the {@link android.text.method.MovementMethod} being used for this TextView, 2435 * which provides positioning, scrolling, and text selection functionality. 2436 * This will frequently be null for non-EditText TextViews. 2437 * @return the movement method being used for this TextView. 2438 * @see android.text.method.MovementMethod 2439 */ 2440 public final MovementMethod getMovementMethod() { 2441 return mMovement; 2442 } 2443 2444 /** 2445 * Sets the {@link android.text.method.MovementMethod} for handling arrow key movement 2446 * for this TextView. This can be null to disallow using the arrow keys to move the 2447 * cursor or scroll the view. 2448 * <p> 2449 * Be warned that if you want a TextView with a key listener or movement 2450 * method not to be focusable, or if you want a TextView without a 2451 * key listener or movement method to be focusable, you must call 2452 * {@link #setFocusable} again after calling this to get the focusability 2453 * back the way you want it. 2454 */ 2455 public final void setMovementMethod(MovementMethod movement) { 2456 if (mMovement != movement) { 2457 mMovement = movement; 2458 2459 if (movement != null && !(mText instanceof Spannable)) { 2460 setText(mText); 2461 } 2462 2463 fixFocusableAndClickableSettings(); 2464 2465 // SelectionModifierCursorController depends on textCanBeSelected, which depends on 2466 // mMovement 2467 if (mEditor != null) mEditor.prepareCursorControllers(); 2468 } 2469 } 2470 2471 private void fixFocusableAndClickableSettings() { 2472 if (mMovement != null || (mEditor != null && mEditor.mKeyListener != null)) { 2473 setFocusable(FOCUSABLE); 2474 setClickable(true); 2475 setLongClickable(true); 2476 } else { 2477 setFocusable(FOCUSABLE_AUTO); 2478 setClickable(false); 2479 setLongClickable(false); 2480 } 2481 } 2482 2483 /** 2484 * Gets the current {@link android.text.method.TransformationMethod} for the TextView. 2485 * This is frequently null, except for single-line and password fields. 2486 * @return the current transformation method for this TextView. 2487 * 2488 * @attr ref android.R.styleable#TextView_password 2489 * @attr ref android.R.styleable#TextView_singleLine 2490 */ 2491 public final TransformationMethod getTransformationMethod() { 2492 return mTransformation; 2493 } 2494 2495 /** 2496 * Sets the transformation that is applied to the text that this 2497 * TextView is displaying. 2498 * 2499 * @attr ref android.R.styleable#TextView_password 2500 * @attr ref android.R.styleable#TextView_singleLine 2501 */ 2502 public final void setTransformationMethod(TransformationMethod method) { 2503 if (method == mTransformation) { 2504 // Avoid the setText() below if the transformation is 2505 // the same. 2506 return; 2507 } 2508 if (mTransformation != null) { 2509 if (mText instanceof Spannable) { 2510 ((Spannable) mText).removeSpan(mTransformation); 2511 } 2512 } 2513 2514 mTransformation = method; 2515 2516 if (method instanceof TransformationMethod2) { 2517 TransformationMethod2 method2 = (TransformationMethod2) method; 2518 mAllowTransformationLengthChange = !isTextSelectable() && !(mText instanceof Editable); 2519 method2.setLengthChangesAllowed(mAllowTransformationLengthChange); 2520 } else { 2521 mAllowTransformationLengthChange = false; 2522 } 2523 2524 setText(mText); 2525 2526 if (hasPasswordTransformationMethod()) { 2527 notifyViewAccessibilityStateChangedIfNeeded( 2528 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 2529 } 2530 2531 // PasswordTransformationMethod always have LTR text direction heuristics returned by 2532 // getTextDirectionHeuristic, needs reset 2533 mTextDir = getTextDirectionHeuristic(); 2534 } 2535 2536 /** 2537 * Returns the top padding of the view, plus space for the top 2538 * Drawable if any. 2539 */ 2540 public int getCompoundPaddingTop() { 2541 final Drawables dr = mDrawables; 2542 if (dr == null || dr.mShowing[Drawables.TOP] == null) { 2543 return mPaddingTop; 2544 } else { 2545 return mPaddingTop + dr.mDrawablePadding + dr.mDrawableSizeTop; 2546 } 2547 } 2548 2549 /** 2550 * Returns the bottom padding of the view, plus space for the bottom 2551 * Drawable if any. 2552 */ 2553 public int getCompoundPaddingBottom() { 2554 final Drawables dr = mDrawables; 2555 if (dr == null || dr.mShowing[Drawables.BOTTOM] == null) { 2556 return mPaddingBottom; 2557 } else { 2558 return mPaddingBottom + dr.mDrawablePadding + dr.mDrawableSizeBottom; 2559 } 2560 } 2561 2562 /** 2563 * Returns the left padding of the view, plus space for the left 2564 * Drawable if any. 2565 */ 2566 public int getCompoundPaddingLeft() { 2567 final Drawables dr = mDrawables; 2568 if (dr == null || dr.mShowing[Drawables.LEFT] == null) { 2569 return mPaddingLeft; 2570 } else { 2571 return mPaddingLeft + dr.mDrawablePadding + dr.mDrawableSizeLeft; 2572 } 2573 } 2574 2575 /** 2576 * Returns the right padding of the view, plus space for the right 2577 * Drawable if any. 2578 */ 2579 public int getCompoundPaddingRight() { 2580 final Drawables dr = mDrawables; 2581 if (dr == null || dr.mShowing[Drawables.RIGHT] == null) { 2582 return mPaddingRight; 2583 } else { 2584 return mPaddingRight + dr.mDrawablePadding + dr.mDrawableSizeRight; 2585 } 2586 } 2587 2588 /** 2589 * Returns the start padding of the view, plus space for the start 2590 * Drawable if any. 2591 */ 2592 public int getCompoundPaddingStart() { 2593 resolveDrawables(); 2594 switch(getLayoutDirection()) { 2595 default: 2596 case LAYOUT_DIRECTION_LTR: 2597 return getCompoundPaddingLeft(); 2598 case LAYOUT_DIRECTION_RTL: 2599 return getCompoundPaddingRight(); 2600 } 2601 } 2602 2603 /** 2604 * Returns the end padding of the view, plus space for the end 2605 * Drawable if any. 2606 */ 2607 public int getCompoundPaddingEnd() { 2608 resolveDrawables(); 2609 switch(getLayoutDirection()) { 2610 default: 2611 case LAYOUT_DIRECTION_LTR: 2612 return getCompoundPaddingRight(); 2613 case LAYOUT_DIRECTION_RTL: 2614 return getCompoundPaddingLeft(); 2615 } 2616 } 2617 2618 /** 2619 * Returns the extended top padding of the view, including both the 2620 * top Drawable if any and any extra space to keep more than maxLines 2621 * of text from showing. It is only valid to call this after measuring. 2622 */ 2623 public int getExtendedPaddingTop() { 2624 if (mMaxMode != LINES) { 2625 return getCompoundPaddingTop(); 2626 } 2627 2628 if (mLayout == null) { 2629 assumeLayout(); 2630 } 2631 2632 if (mLayout.getLineCount() <= mMaximum) { 2633 return getCompoundPaddingTop(); 2634 } 2635 2636 int top = getCompoundPaddingTop(); 2637 int bottom = getCompoundPaddingBottom(); 2638 int viewht = getHeight() - top - bottom; 2639 int layoutht = mLayout.getLineTop(mMaximum); 2640 2641 if (layoutht >= viewht) { 2642 return top; 2643 } 2644 2645 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 2646 if (gravity == Gravity.TOP) { 2647 return top; 2648 } else if (gravity == Gravity.BOTTOM) { 2649 return top + viewht - layoutht; 2650 } else { // (gravity == Gravity.CENTER_VERTICAL) 2651 return top + (viewht - layoutht) / 2; 2652 } 2653 } 2654 2655 /** 2656 * Returns the extended bottom padding of the view, including both the 2657 * bottom Drawable if any and any extra space to keep more than maxLines 2658 * of text from showing. It is only valid to call this after measuring. 2659 */ 2660 public int getExtendedPaddingBottom() { 2661 if (mMaxMode != LINES) { 2662 return getCompoundPaddingBottom(); 2663 } 2664 2665 if (mLayout == null) { 2666 assumeLayout(); 2667 } 2668 2669 if (mLayout.getLineCount() <= mMaximum) { 2670 return getCompoundPaddingBottom(); 2671 } 2672 2673 int top = getCompoundPaddingTop(); 2674 int bottom = getCompoundPaddingBottom(); 2675 int viewht = getHeight() - top - bottom; 2676 int layoutht = mLayout.getLineTop(mMaximum); 2677 2678 if (layoutht >= viewht) { 2679 return bottom; 2680 } 2681 2682 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 2683 if (gravity == Gravity.TOP) { 2684 return bottom + viewht - layoutht; 2685 } else if (gravity == Gravity.BOTTOM) { 2686 return bottom; 2687 } else { // (gravity == Gravity.CENTER_VERTICAL) 2688 return bottom + (viewht - layoutht) / 2; 2689 } 2690 } 2691 2692 /** 2693 * Returns the total left padding of the view, including the left 2694 * Drawable if any. 2695 */ 2696 public int getTotalPaddingLeft() { 2697 return getCompoundPaddingLeft(); 2698 } 2699 2700 /** 2701 * Returns the total right padding of the view, including the right 2702 * Drawable if any. 2703 */ 2704 public int getTotalPaddingRight() { 2705 return getCompoundPaddingRight(); 2706 } 2707 2708 /** 2709 * Returns the total start padding of the view, including the start 2710 * Drawable if any. 2711 */ 2712 public int getTotalPaddingStart() { 2713 return getCompoundPaddingStart(); 2714 } 2715 2716 /** 2717 * Returns the total end padding of the view, including the end 2718 * Drawable if any. 2719 */ 2720 public int getTotalPaddingEnd() { 2721 return getCompoundPaddingEnd(); 2722 } 2723 2724 /** 2725 * Returns the total top padding of the view, including the top 2726 * Drawable if any, the extra space to keep more than maxLines 2727 * from showing, and the vertical offset for gravity, if any. 2728 */ 2729 public int getTotalPaddingTop() { 2730 return getExtendedPaddingTop() + getVerticalOffset(true); 2731 } 2732 2733 /** 2734 * Returns the total bottom padding of the view, including the bottom 2735 * Drawable if any, the extra space to keep more than maxLines 2736 * from showing, and the vertical offset for gravity, if any. 2737 */ 2738 public int getTotalPaddingBottom() { 2739 return getExtendedPaddingBottom() + getBottomVerticalOffset(true); 2740 } 2741 2742 /** 2743 * Sets the Drawables (if any) to appear to the left of, above, to the 2744 * right of, and below the text. Use {@code null} if you do not want a 2745 * Drawable there. The Drawables must already have had 2746 * {@link Drawable#setBounds} called. 2747 * <p> 2748 * Calling this method will overwrite any Drawables previously set using 2749 * {@link #setCompoundDrawablesRelative} or related methods. 2750 * 2751 * @attr ref android.R.styleable#TextView_drawableLeft 2752 * @attr ref android.R.styleable#TextView_drawableTop 2753 * @attr ref android.R.styleable#TextView_drawableRight 2754 * @attr ref android.R.styleable#TextView_drawableBottom 2755 */ 2756 public void setCompoundDrawables(@Nullable Drawable left, @Nullable Drawable top, 2757 @Nullable Drawable right, @Nullable Drawable bottom) { 2758 Drawables dr = mDrawables; 2759 2760 // We're switching to absolute, discard relative. 2761 if (dr != null) { 2762 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2763 dr.mDrawableStart = null; 2764 if (dr.mDrawableEnd != null) dr.mDrawableEnd.setCallback(null); 2765 dr.mDrawableEnd = null; 2766 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2767 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2768 } 2769 2770 final boolean drawables = left != null || top != null || right != null || bottom != null; 2771 if (!drawables) { 2772 // Clearing drawables... can we free the data structure? 2773 if (dr != null) { 2774 if (!dr.hasMetadata()) { 2775 mDrawables = null; 2776 } else { 2777 // We need to retain the last set padding, so just clear 2778 // out all of the fields in the existing structure. 2779 for (int i = dr.mShowing.length - 1; i >= 0; i--) { 2780 if (dr.mShowing[i] != null) { 2781 dr.mShowing[i].setCallback(null); 2782 } 2783 dr.mShowing[i] = null; 2784 } 2785 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2786 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2787 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2788 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2789 } 2790 } 2791 } else { 2792 if (dr == null) { 2793 mDrawables = dr = new Drawables(getContext()); 2794 } 2795 2796 mDrawables.mOverride = false; 2797 2798 if (dr.mShowing[Drawables.LEFT] != left && dr.mShowing[Drawables.LEFT] != null) { 2799 dr.mShowing[Drawables.LEFT].setCallback(null); 2800 } 2801 dr.mShowing[Drawables.LEFT] = left; 2802 2803 if (dr.mShowing[Drawables.TOP] != top && dr.mShowing[Drawables.TOP] != null) { 2804 dr.mShowing[Drawables.TOP].setCallback(null); 2805 } 2806 dr.mShowing[Drawables.TOP] = top; 2807 2808 if (dr.mShowing[Drawables.RIGHT] != right && dr.mShowing[Drawables.RIGHT] != null) { 2809 dr.mShowing[Drawables.RIGHT].setCallback(null); 2810 } 2811 dr.mShowing[Drawables.RIGHT] = right; 2812 2813 if (dr.mShowing[Drawables.BOTTOM] != bottom && dr.mShowing[Drawables.BOTTOM] != null) { 2814 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2815 } 2816 dr.mShowing[Drawables.BOTTOM] = bottom; 2817 2818 final Rect compoundRect = dr.mCompoundRect; 2819 int[] state; 2820 2821 state = getDrawableState(); 2822 2823 if (left != null) { 2824 left.setState(state); 2825 left.copyBounds(compoundRect); 2826 left.setCallback(this); 2827 dr.mDrawableSizeLeft = compoundRect.width(); 2828 dr.mDrawableHeightLeft = compoundRect.height(); 2829 } else { 2830 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2831 } 2832 2833 if (right != null) { 2834 right.setState(state); 2835 right.copyBounds(compoundRect); 2836 right.setCallback(this); 2837 dr.mDrawableSizeRight = compoundRect.width(); 2838 dr.mDrawableHeightRight = compoundRect.height(); 2839 } else { 2840 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2841 } 2842 2843 if (top != null) { 2844 top.setState(state); 2845 top.copyBounds(compoundRect); 2846 top.setCallback(this); 2847 dr.mDrawableSizeTop = compoundRect.height(); 2848 dr.mDrawableWidthTop = compoundRect.width(); 2849 } else { 2850 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2851 } 2852 2853 if (bottom != null) { 2854 bottom.setState(state); 2855 bottom.copyBounds(compoundRect); 2856 bottom.setCallback(this); 2857 dr.mDrawableSizeBottom = compoundRect.height(); 2858 dr.mDrawableWidthBottom = compoundRect.width(); 2859 } else { 2860 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2861 } 2862 } 2863 2864 // Save initial left/right drawables 2865 if (dr != null) { 2866 dr.mDrawableLeftInitial = left; 2867 dr.mDrawableRightInitial = right; 2868 } 2869 2870 resetResolvedDrawables(); 2871 resolveDrawables(); 2872 applyCompoundDrawableTint(); 2873 invalidate(); 2874 requestLayout(); 2875 } 2876 2877 /** 2878 * Sets the Drawables (if any) to appear to the left of, above, to the 2879 * right of, and below the text. Use 0 if you do not want a Drawable there. 2880 * The Drawables' bounds will be set to their intrinsic bounds. 2881 * <p> 2882 * Calling this method will overwrite any Drawables previously set using 2883 * {@link #setCompoundDrawablesRelative} or related methods. 2884 * 2885 * @param left Resource identifier of the left Drawable. 2886 * @param top Resource identifier of the top Drawable. 2887 * @param right Resource identifier of the right Drawable. 2888 * @param bottom Resource identifier of the bottom Drawable. 2889 * 2890 * @attr ref android.R.styleable#TextView_drawableLeft 2891 * @attr ref android.R.styleable#TextView_drawableTop 2892 * @attr ref android.R.styleable#TextView_drawableRight 2893 * @attr ref android.R.styleable#TextView_drawableBottom 2894 */ 2895 @android.view.RemotableViewMethod 2896 public void setCompoundDrawablesWithIntrinsicBounds(@DrawableRes int left, 2897 @DrawableRes int top, @DrawableRes int right, @DrawableRes int bottom) { 2898 final Context context = getContext(); 2899 setCompoundDrawablesWithIntrinsicBounds(left != 0 ? context.getDrawable(left) : null, 2900 top != 0 ? context.getDrawable(top) : null, 2901 right != 0 ? context.getDrawable(right) : null, 2902 bottom != 0 ? context.getDrawable(bottom) : null); 2903 } 2904 2905 /** 2906 * Sets the Drawables (if any) to appear to the left of, above, to the 2907 * right of, and below the text. Use {@code null} if you do not want a 2908 * Drawable there. The Drawables' bounds will be set to their intrinsic 2909 * bounds. 2910 * <p> 2911 * Calling this method will overwrite any Drawables previously set using 2912 * {@link #setCompoundDrawablesRelative} or related methods. 2913 * 2914 * @attr ref android.R.styleable#TextView_drawableLeft 2915 * @attr ref android.R.styleable#TextView_drawableTop 2916 * @attr ref android.R.styleable#TextView_drawableRight 2917 * @attr ref android.R.styleable#TextView_drawableBottom 2918 */ 2919 @android.view.RemotableViewMethod 2920 public void setCompoundDrawablesWithIntrinsicBounds(@Nullable Drawable left, 2921 @Nullable Drawable top, @Nullable Drawable right, @Nullable Drawable bottom) { 2922 2923 if (left != null) { 2924 left.setBounds(0, 0, left.getIntrinsicWidth(), left.getIntrinsicHeight()); 2925 } 2926 if (right != null) { 2927 right.setBounds(0, 0, right.getIntrinsicWidth(), right.getIntrinsicHeight()); 2928 } 2929 if (top != null) { 2930 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2931 } 2932 if (bottom != null) { 2933 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2934 } 2935 setCompoundDrawables(left, top, right, bottom); 2936 } 2937 2938 /** 2939 * Sets the Drawables (if any) to appear to the start of, above, to the end 2940 * of, and below the text. Use {@code null} if you do not want a Drawable 2941 * there. The Drawables must already have had {@link Drawable#setBounds} 2942 * called. 2943 * <p> 2944 * Calling this method will overwrite any Drawables previously set using 2945 * {@link #setCompoundDrawables} or related methods. 2946 * 2947 * @attr ref android.R.styleable#TextView_drawableStart 2948 * @attr ref android.R.styleable#TextView_drawableTop 2949 * @attr ref android.R.styleable#TextView_drawableEnd 2950 * @attr ref android.R.styleable#TextView_drawableBottom 2951 */ 2952 @android.view.RemotableViewMethod 2953 public void setCompoundDrawablesRelative(@Nullable Drawable start, @Nullable Drawable top, 2954 @Nullable Drawable end, @Nullable Drawable bottom) { 2955 Drawables dr = mDrawables; 2956 2957 // We're switching to relative, discard absolute. 2958 if (dr != null) { 2959 if (dr.mShowing[Drawables.LEFT] != null) { 2960 dr.mShowing[Drawables.LEFT].setCallback(null); 2961 } 2962 dr.mShowing[Drawables.LEFT] = dr.mDrawableLeftInitial = null; 2963 if (dr.mShowing[Drawables.RIGHT] != null) { 2964 dr.mShowing[Drawables.RIGHT].setCallback(null); 2965 } 2966 dr.mShowing[Drawables.RIGHT] = dr.mDrawableRightInitial = null; 2967 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2968 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2969 } 2970 2971 final boolean drawables = start != null || top != null 2972 || end != null || bottom != null; 2973 2974 if (!drawables) { 2975 // Clearing drawables... can we free the data structure? 2976 if (dr != null) { 2977 if (!dr.hasMetadata()) { 2978 mDrawables = null; 2979 } else { 2980 // We need to retain the last set padding, so just clear 2981 // out all of the fields in the existing structure. 2982 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2983 dr.mDrawableStart = null; 2984 if (dr.mShowing[Drawables.TOP] != null) { 2985 dr.mShowing[Drawables.TOP].setCallback(null); 2986 } 2987 dr.mShowing[Drawables.TOP] = null; 2988 if (dr.mDrawableEnd != null) { 2989 dr.mDrawableEnd.setCallback(null); 2990 } 2991 dr.mDrawableEnd = null; 2992 if (dr.mShowing[Drawables.BOTTOM] != null) { 2993 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2994 } 2995 dr.mShowing[Drawables.BOTTOM] = null; 2996 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2997 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2998 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2999 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 3000 } 3001 } 3002 } else { 3003 if (dr == null) { 3004 mDrawables = dr = new Drawables(getContext()); 3005 } 3006 3007 mDrawables.mOverride = true; 3008 3009 if (dr.mDrawableStart != start && dr.mDrawableStart != null) { 3010 dr.mDrawableStart.setCallback(null); 3011 } 3012 dr.mDrawableStart = start; 3013 3014 if (dr.mShowing[Drawables.TOP] != top && dr.mShowing[Drawables.TOP] != null) { 3015 dr.mShowing[Drawables.TOP].setCallback(null); 3016 } 3017 dr.mShowing[Drawables.TOP] = top; 3018 3019 if (dr.mDrawableEnd != end && dr.mDrawableEnd != null) { 3020 dr.mDrawableEnd.setCallback(null); 3021 } 3022 dr.mDrawableEnd = end; 3023 3024 if (dr.mShowing[Drawables.BOTTOM] != bottom && dr.mShowing[Drawables.BOTTOM] != null) { 3025 dr.mShowing[Drawables.BOTTOM].setCallback(null); 3026 } 3027 dr.mShowing[Drawables.BOTTOM] = bottom; 3028 3029 final Rect compoundRect = dr.mCompoundRect; 3030 int[] state; 3031 3032 state = getDrawableState(); 3033 3034 if (start != null) { 3035 start.setState(state); 3036 start.copyBounds(compoundRect); 3037 start.setCallback(this); 3038 dr.mDrawableSizeStart = compoundRect.width(); 3039 dr.mDrawableHeightStart = compoundRect.height(); 3040 } else { 3041 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 3042 } 3043 3044 if (end != null) { 3045 end.setState(state); 3046 end.copyBounds(compoundRect); 3047 end.setCallback(this); 3048 dr.mDrawableSizeEnd = compoundRect.width(); 3049 dr.mDrawableHeightEnd = compoundRect.height(); 3050 } else { 3051 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 3052 } 3053 3054 if (top != null) { 3055 top.setState(state); 3056 top.copyBounds(compoundRect); 3057 top.setCallback(this); 3058 dr.mDrawableSizeTop = compoundRect.height(); 3059 dr.mDrawableWidthTop = compoundRect.width(); 3060 } else { 3061 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 3062 } 3063 3064 if (bottom != null) { 3065 bottom.setState(state); 3066 bottom.copyBounds(compoundRect); 3067 bottom.setCallback(this); 3068 dr.mDrawableSizeBottom = compoundRect.height(); 3069 dr.mDrawableWidthBottom = compoundRect.width(); 3070 } else { 3071 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 3072 } 3073 } 3074 3075 resetResolvedDrawables(); 3076 resolveDrawables(); 3077 invalidate(); 3078 requestLayout(); 3079 } 3080 3081 /** 3082 * Sets the Drawables (if any) to appear to the start of, above, to the end 3083 * of, and below the text. Use 0 if you do not want a Drawable there. The 3084 * Drawables' bounds will be set to their intrinsic bounds. 3085 * <p> 3086 * Calling this method will overwrite any Drawables previously set using 3087 * {@link #setCompoundDrawables} or related methods. 3088 * 3089 * @param start Resource identifier of the start Drawable. 3090 * @param top Resource identifier of the top Drawable. 3091 * @param end Resource identifier of the end Drawable. 3092 * @param bottom Resource identifier of the bottom Drawable. 3093 * 3094 * @attr ref android.R.styleable#TextView_drawableStart 3095 * @attr ref android.R.styleable#TextView_drawableTop 3096 * @attr ref android.R.styleable#TextView_drawableEnd 3097 * @attr ref android.R.styleable#TextView_drawableBottom 3098 */ 3099 @android.view.RemotableViewMethod 3100 public void setCompoundDrawablesRelativeWithIntrinsicBounds(@DrawableRes int start, 3101 @DrawableRes int top, @DrawableRes int end, @DrawableRes int bottom) { 3102 final Context context = getContext(); 3103 setCompoundDrawablesRelativeWithIntrinsicBounds( 3104 start != 0 ? context.getDrawable(start) : null, 3105 top != 0 ? context.getDrawable(top) : null, 3106 end != 0 ? context.getDrawable(end) : null, 3107 bottom != 0 ? context.getDrawable(bottom) : null); 3108 } 3109 3110 /** 3111 * Sets the Drawables (if any) to appear to the start of, above, to the end 3112 * of, and below the text. Use {@code null} if you do not want a Drawable 3113 * there. The Drawables' bounds will be set to their intrinsic bounds. 3114 * <p> 3115 * Calling this method will overwrite any Drawables previously set using 3116 * {@link #setCompoundDrawables} or related methods. 3117 * 3118 * @attr ref android.R.styleable#TextView_drawableStart 3119 * @attr ref android.R.styleable#TextView_drawableTop 3120 * @attr ref android.R.styleable#TextView_drawableEnd 3121 * @attr ref android.R.styleable#TextView_drawableBottom 3122 */ 3123 @android.view.RemotableViewMethod 3124 public void setCompoundDrawablesRelativeWithIntrinsicBounds(@Nullable Drawable start, 3125 @Nullable Drawable top, @Nullable Drawable end, @Nullable Drawable bottom) { 3126 3127 if (start != null) { 3128 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 3129 } 3130 if (end != null) { 3131 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 3132 } 3133 if (top != null) { 3134 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 3135 } 3136 if (bottom != null) { 3137 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 3138 } 3139 setCompoundDrawablesRelative(start, top, end, bottom); 3140 } 3141 3142 /** 3143 * Returns drawables for the left, top, right, and bottom borders. 3144 * 3145 * @attr ref android.R.styleable#TextView_drawableLeft 3146 * @attr ref android.R.styleable#TextView_drawableTop 3147 * @attr ref android.R.styleable#TextView_drawableRight 3148 * @attr ref android.R.styleable#TextView_drawableBottom 3149 */ 3150 @NonNull 3151 public Drawable[] getCompoundDrawables() { 3152 final Drawables dr = mDrawables; 3153 if (dr != null) { 3154 return dr.mShowing.clone(); 3155 } else { 3156 return new Drawable[] { null, null, null, null }; 3157 } 3158 } 3159 3160 /** 3161 * Returns drawables for the start, top, end, and bottom borders. 3162 * 3163 * @attr ref android.R.styleable#TextView_drawableStart 3164 * @attr ref android.R.styleable#TextView_drawableTop 3165 * @attr ref android.R.styleable#TextView_drawableEnd 3166 * @attr ref android.R.styleable#TextView_drawableBottom 3167 */ 3168 @NonNull 3169 public Drawable[] getCompoundDrawablesRelative() { 3170 final Drawables dr = mDrawables; 3171 if (dr != null) { 3172 return new Drawable[] { 3173 dr.mDrawableStart, dr.mShowing[Drawables.TOP], 3174 dr.mDrawableEnd, dr.mShowing[Drawables.BOTTOM] 3175 }; 3176 } else { 3177 return new Drawable[] { null, null, null, null }; 3178 } 3179 } 3180 3181 /** 3182 * Sets the size of the padding between the compound drawables and 3183 * the text. 3184 * 3185 * @attr ref android.R.styleable#TextView_drawablePadding 3186 */ 3187 @android.view.RemotableViewMethod 3188 public void setCompoundDrawablePadding(int pad) { 3189 Drawables dr = mDrawables; 3190 if (pad == 0) { 3191 if (dr != null) { 3192 dr.mDrawablePadding = pad; 3193 } 3194 } else { 3195 if (dr == null) { 3196 mDrawables = dr = new Drawables(getContext()); 3197 } 3198 dr.mDrawablePadding = pad; 3199 } 3200 3201 invalidate(); 3202 requestLayout(); 3203 } 3204 3205 /** 3206 * Returns the padding between the compound drawables and the text. 3207 * 3208 * @attr ref android.R.styleable#TextView_drawablePadding 3209 */ 3210 public int getCompoundDrawablePadding() { 3211 final Drawables dr = mDrawables; 3212 return dr != null ? dr.mDrawablePadding : 0; 3213 } 3214 3215 /** 3216 * Applies a tint to the compound drawables. Does not modify the 3217 * current tint mode, which is {@link PorterDuff.Mode#SRC_IN} by default. 3218 * <p> 3219 * Subsequent calls to 3220 * {@link #setCompoundDrawables(Drawable, Drawable, Drawable, Drawable)} 3221 * and related methods will automatically mutate the drawables and apply 3222 * the specified tint and tint mode using 3223 * {@link Drawable#setTintList(ColorStateList)}. 3224 * 3225 * @param tint the tint to apply, may be {@code null} to clear tint 3226 * 3227 * @attr ref android.R.styleable#TextView_drawableTint 3228 * @see #getCompoundDrawableTintList() 3229 * @see Drawable#setTintList(ColorStateList) 3230 */ 3231 public void setCompoundDrawableTintList(@Nullable ColorStateList tint) { 3232 if (mDrawables == null) { 3233 mDrawables = new Drawables(getContext()); 3234 } 3235 mDrawables.mTintList = tint; 3236 mDrawables.mHasTint = true; 3237 3238 applyCompoundDrawableTint(); 3239 } 3240 3241 /** 3242 * @return the tint applied to the compound drawables 3243 * @attr ref android.R.styleable#TextView_drawableTint 3244 * @see #setCompoundDrawableTintList(ColorStateList) 3245 */ 3246 public ColorStateList getCompoundDrawableTintList() { 3247 return mDrawables != null ? mDrawables.mTintList : null; 3248 } 3249 3250 /** 3251 * Specifies the blending mode used to apply the tint specified by 3252 * {@link #setCompoundDrawableTintList(ColorStateList)} to the compound 3253 * drawables. The default mode is {@link PorterDuff.Mode#SRC_IN}. 3254 * 3255 * @param tintMode the blending mode used to apply the tint, may be 3256 * {@code null} to clear tint 3257 * @attr ref android.R.styleable#TextView_drawableTintMode 3258 * @see #setCompoundDrawableTintList(ColorStateList) 3259 * @see Drawable#setTintMode(PorterDuff.Mode) 3260 */ 3261 public void setCompoundDrawableTintMode(@Nullable PorterDuff.Mode tintMode) { 3262 if (mDrawables == null) { 3263 mDrawables = new Drawables(getContext()); 3264 } 3265 mDrawables.mTintMode = tintMode; 3266 mDrawables.mHasTintMode = true; 3267 3268 applyCompoundDrawableTint(); 3269 } 3270 3271 /** 3272 * Returns the blending mode used to apply the tint to the compound 3273 * drawables, if specified. 3274 * 3275 * @return the blending mode used to apply the tint to the compound 3276 * drawables 3277 * @attr ref android.R.styleable#TextView_drawableTintMode 3278 * @see #setCompoundDrawableTintMode(PorterDuff.Mode) 3279 */ 3280 public PorterDuff.Mode getCompoundDrawableTintMode() { 3281 return mDrawables != null ? mDrawables.mTintMode : null; 3282 } 3283 3284 private void applyCompoundDrawableTint() { 3285 if (mDrawables == null) { 3286 return; 3287 } 3288 3289 if (mDrawables.mHasTint || mDrawables.mHasTintMode) { 3290 final ColorStateList tintList = mDrawables.mTintList; 3291 final PorterDuff.Mode tintMode = mDrawables.mTintMode; 3292 final boolean hasTint = mDrawables.mHasTint; 3293 final boolean hasTintMode = mDrawables.mHasTintMode; 3294 final int[] state = getDrawableState(); 3295 3296 for (Drawable dr : mDrawables.mShowing) { 3297 if (dr == null) { 3298 continue; 3299 } 3300 3301 if (dr == mDrawables.mDrawableError) { 3302 // From a developer's perspective, the error drawable isn't 3303 // a compound drawable. Don't apply the generic compound 3304 // drawable tint to it. 3305 continue; 3306 } 3307 3308 dr.mutate(); 3309 3310 if (hasTint) { 3311 dr.setTintList(tintList); 3312 } 3313 3314 if (hasTintMode) { 3315 dr.setTintMode(tintMode); 3316 } 3317 3318 // The drawable (or one of its children) may not have been 3319 // stateful before applying the tint, so let's try again. 3320 if (dr.isStateful()) { 3321 dr.setState(state); 3322 } 3323 } 3324 } 3325 } 3326 3327 @Override 3328 public void setPadding(int left, int top, int right, int bottom) { 3329 if (left != mPaddingLeft 3330 || right != mPaddingRight 3331 || top != mPaddingTop 3332 || bottom != mPaddingBottom) { 3333 nullLayouts(); 3334 } 3335 3336 // the super call will requestLayout() 3337 super.setPadding(left, top, right, bottom); 3338 invalidate(); 3339 } 3340 3341 @Override 3342 public void setPaddingRelative(int start, int top, int end, int bottom) { 3343 if (start != getPaddingStart() 3344 || end != getPaddingEnd() 3345 || top != mPaddingTop 3346 || bottom != mPaddingBottom) { 3347 nullLayouts(); 3348 } 3349 3350 // the super call will requestLayout() 3351 super.setPaddingRelative(start, top, end, bottom); 3352 invalidate(); 3353 } 3354 3355 /** 3356 * Gets the autolink mask of the text. See {@link 3357 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 3358 * possible values. 3359 * 3360 * @attr ref android.R.styleable#TextView_autoLink 3361 */ 3362 public final int getAutoLinkMask() { 3363 return mAutoLinkMask; 3364 } 3365 3366 /** 3367 * Sets the text appearance from the specified style resource. 3368 * <p> 3369 * Use a framework-defined {@code TextAppearance} style like 3370 * {@link android.R.style#TextAppearance_Material_Body1 @android:style/TextAppearance.Material.Body1} 3371 * or see {@link android.R.styleable#TextAppearance TextAppearance} for the 3372 * set of attributes that can be used in a custom style. 3373 * 3374 * @param resId the resource identifier of the style to apply 3375 * @attr ref android.R.styleable#TextView_textAppearance 3376 */ 3377 @SuppressWarnings("deprecation") 3378 public void setTextAppearance(@StyleRes int resId) { 3379 setTextAppearance(mContext, resId); 3380 } 3381 3382 /** 3383 * Sets the text color, size, style, hint color, and highlight color 3384 * from the specified TextAppearance resource. 3385 * 3386 * @deprecated Use {@link #setTextAppearance(int)} instead. 3387 */ 3388 @Deprecated 3389 public void setTextAppearance(Context context, @StyleRes int resId) { 3390 final TypedArray ta = context.obtainStyledAttributes(resId, R.styleable.TextAppearance); 3391 3392 final int textColorHighlight = ta.getColor( 3393 R.styleable.TextAppearance_textColorHighlight, 0); 3394 if (textColorHighlight != 0) { 3395 setHighlightColor(textColorHighlight); 3396 } 3397 3398 final ColorStateList textColor = ta.getColorStateList(R.styleable.TextAppearance_textColor); 3399 if (textColor != null) { 3400 setTextColor(textColor); 3401 } 3402 3403 final int textSize = ta.getDimensionPixelSize(R.styleable.TextAppearance_textSize, 0); 3404 if (textSize != 0) { 3405 setRawTextSize(textSize, true /* shouldRequestLayout */); 3406 } 3407 3408 final ColorStateList textColorHint = ta.getColorStateList( 3409 R.styleable.TextAppearance_textColorHint); 3410 if (textColorHint != null) { 3411 setHintTextColor(textColorHint); 3412 } 3413 3414 final ColorStateList textColorLink = ta.getColorStateList( 3415 R.styleable.TextAppearance_textColorLink); 3416 if (textColorLink != null) { 3417 setLinkTextColor(textColorLink); 3418 } 3419 3420 Typeface fontTypeface = null; 3421 String fontFamily = null; 3422 if (!context.isRestricted() && context.canLoadUnsafeResources()) { 3423 try { 3424 fontTypeface = ta.getFont(R.styleable.TextAppearance_fontFamily); 3425 } catch (UnsupportedOperationException | Resources.NotFoundException e) { 3426 // Expected if it is not a font resource. 3427 } 3428 } 3429 if (fontTypeface == null) { 3430 fontFamily = ta.getString(R.styleable.TextAppearance_fontFamily); 3431 } 3432 final int typefaceIndex = ta.getInt(R.styleable.TextAppearance_typeface, -1); 3433 final int styleIndex = ta.getInt(R.styleable.TextAppearance_textStyle, -1); 3434 setTypefaceFromAttrs(fontTypeface, fontFamily, typefaceIndex, styleIndex); 3435 3436 final int shadowColor = ta.getInt(R.styleable.TextAppearance_shadowColor, 0); 3437 if (shadowColor != 0) { 3438 final float dx = ta.getFloat(R.styleable.TextAppearance_shadowDx, 0); 3439 final float dy = ta.getFloat(R.styleable.TextAppearance_shadowDy, 0); 3440 final float r = ta.getFloat(R.styleable.TextAppearance_shadowRadius, 0); 3441 setShadowLayer(r, dx, dy, shadowColor); 3442 } 3443 3444 if (ta.getBoolean(R.styleable.TextAppearance_textAllCaps, false)) { 3445 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 3446 } 3447 3448 if (ta.hasValue(R.styleable.TextAppearance_elegantTextHeight)) { 3449 setElegantTextHeight(ta.getBoolean( 3450 R.styleable.TextAppearance_elegantTextHeight, false)); 3451 } 3452 3453 if (ta.hasValue(R.styleable.TextAppearance_letterSpacing)) { 3454 setLetterSpacing(ta.getFloat( 3455 R.styleable.TextAppearance_letterSpacing, 0)); 3456 } 3457 3458 if (ta.hasValue(R.styleable.TextAppearance_fontFeatureSettings)) { 3459 setFontFeatureSettings(ta.getString( 3460 R.styleable.TextAppearance_fontFeatureSettings)); 3461 } 3462 3463 ta.recycle(); 3464 } 3465 3466 /** 3467 * Get the default primary {@link Locale} of the text in this TextView. This will always be 3468 * the first member of {@link #getTextLocales()}. 3469 * @return the default primary {@link Locale} of the text in this TextView. 3470 */ 3471 @NonNull 3472 public Locale getTextLocale() { 3473 return mTextPaint.getTextLocale(); 3474 } 3475 3476 /** 3477 * Get the default {@link LocaleList} of the text in this TextView. 3478 * @return the default {@link LocaleList} of the text in this TextView. 3479 */ 3480 @NonNull @Size(min = 1) 3481 public LocaleList getTextLocales() { 3482 return mTextPaint.getTextLocales(); 3483 } 3484 3485 private void changeListenerLocaleTo(@Nullable Locale locale) { 3486 if (mListenerChanged) { 3487 // If a listener has been explicitly set, don't change it. We may break something. 3488 return; 3489 } 3490 // The following null check is not absolutely necessary since all calling points of 3491 // changeListenerLocaleTo() guarantee a non-null mEditor at the moment. But this is left 3492 // here in case others would want to call this method in the future. 3493 if (mEditor != null) { 3494 KeyListener listener = mEditor.mKeyListener; 3495 if (listener instanceof DigitsKeyListener) { 3496 listener = DigitsKeyListener.getInstance(locale, (DigitsKeyListener) listener); 3497 } else if (listener instanceof DateKeyListener) { 3498 listener = DateKeyListener.getInstance(locale); 3499 } else if (listener instanceof TimeKeyListener) { 3500 listener = TimeKeyListener.getInstance(locale); 3501 } else if (listener instanceof DateTimeKeyListener) { 3502 listener = DateTimeKeyListener.getInstance(locale); 3503 } else { 3504 return; 3505 } 3506 final boolean wasPasswordType = isPasswordInputType(mEditor.mInputType); 3507 setKeyListenerOnly(listener); 3508 setInputTypeFromEditor(); 3509 if (wasPasswordType) { 3510 final int newInputClass = mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS; 3511 if (newInputClass == EditorInfo.TYPE_CLASS_TEXT) { 3512 mEditor.mInputType |= EditorInfo.TYPE_TEXT_VARIATION_PASSWORD; 3513 } else if (newInputClass == EditorInfo.TYPE_CLASS_NUMBER) { 3514 mEditor.mInputType |= EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD; 3515 } 3516 } 3517 } 3518 } 3519 3520 /** 3521 * Set the default {@link Locale} of the text in this TextView to a one-member 3522 * {@link LocaleList} containing just the given Locale. 3523 * 3524 * @param locale the {@link Locale} for drawing text, must not be null. 3525 * 3526 * @see #setTextLocales 3527 */ 3528 public void setTextLocale(@NonNull Locale locale) { 3529 mLocalesChanged = true; 3530 mTextPaint.setTextLocale(locale); 3531 if (mLayout != null) { 3532 nullLayouts(); 3533 requestLayout(); 3534 invalidate(); 3535 } 3536 } 3537 3538 /** 3539 * Set the default {@link LocaleList} of the text in this TextView to the given value. 3540 * 3541 * This value is used to choose appropriate typefaces for ambiguous characters (typically used 3542 * for CJK locales to disambiguate Hanzi/Kanji/Hanja characters). It also affects 3543 * other aspects of text display, including line breaking. 3544 * 3545 * @param locales the {@link LocaleList} for drawing text, must not be null or empty. 3546 * 3547 * @see Paint#setTextLocales 3548 */ 3549 public void setTextLocales(@NonNull @Size(min = 1) LocaleList locales) { 3550 mLocalesChanged = true; 3551 mTextPaint.setTextLocales(locales); 3552 if (mLayout != null) { 3553 nullLayouts(); 3554 requestLayout(); 3555 invalidate(); 3556 } 3557 } 3558 3559 @Override 3560 protected void onConfigurationChanged(Configuration newConfig) { 3561 super.onConfigurationChanged(newConfig); 3562 if (!mLocalesChanged) { 3563 mTextPaint.setTextLocales(LocaleList.getDefault()); 3564 if (mLayout != null) { 3565 nullLayouts(); 3566 requestLayout(); 3567 invalidate(); 3568 } 3569 } 3570 } 3571 3572 /** 3573 * @return the size (in pixels) of the default text size in this TextView. 3574 */ 3575 @ViewDebug.ExportedProperty(category = "text") 3576 public float getTextSize() { 3577 return mTextPaint.getTextSize(); 3578 } 3579 3580 /** 3581 * @return the size (in scaled pixels) of the default text size in this TextView. 3582 * @hide 3583 */ 3584 @ViewDebug.ExportedProperty(category = "text") 3585 public float getScaledTextSize() { 3586 return mTextPaint.getTextSize() / mTextPaint.density; 3587 } 3588 3589 /** @hide */ 3590 @ViewDebug.ExportedProperty(category = "text", mapping = { 3591 @ViewDebug.IntToString(from = Typeface.NORMAL, to = "NORMAL"), 3592 @ViewDebug.IntToString(from = Typeface.BOLD, to = "BOLD"), 3593 @ViewDebug.IntToString(from = Typeface.ITALIC, to = "ITALIC"), 3594 @ViewDebug.IntToString(from = Typeface.BOLD_ITALIC, to = "BOLD_ITALIC") 3595 }) 3596 public int getTypefaceStyle() { 3597 Typeface typeface = mTextPaint.getTypeface(); 3598 return typeface != null ? typeface.getStyle() : Typeface.NORMAL; 3599 } 3600 3601 /** 3602 * Set the default text size to the given value, interpreted as "scaled 3603 * pixel" units. This size is adjusted based on the current density and 3604 * user font size preference. 3605 * 3606 * <p>Note: if this TextView has the auto-size feature enabled than this function is no-op. 3607 * 3608 * @param size The scaled pixel size. 3609 * 3610 * @attr ref android.R.styleable#TextView_textSize 3611 */ 3612 @android.view.RemotableViewMethod 3613 public void setTextSize(float size) { 3614 setTextSize(TypedValue.COMPLEX_UNIT_SP, size); 3615 } 3616 3617 /** 3618 * Set the default text size to a given unit and value. See {@link 3619 * TypedValue} for the possible dimension units. 3620 * 3621 * <p>Note: if this TextView has the auto-size feature enabled than this function is no-op. 3622 * 3623 * @param unit The desired dimension unit. 3624 * @param size The desired size in the given units. 3625 * 3626 * @attr ref android.R.styleable#TextView_textSize 3627 */ 3628 public void setTextSize(int unit, float size) { 3629 if (!isAutoSizeEnabled()) { 3630 setTextSizeInternal(unit, size, true /* shouldRequestLayout */); 3631 } 3632 } 3633 3634 private void setTextSizeInternal(int unit, float size, boolean shouldRequestLayout) { 3635 Context c = getContext(); 3636 Resources r; 3637 3638 if (c == null) { 3639 r = Resources.getSystem(); 3640 } else { 3641 r = c.getResources(); 3642 } 3643 3644 setRawTextSize(TypedValue.applyDimension(unit, size, r.getDisplayMetrics()), 3645 shouldRequestLayout); 3646 } 3647 3648 private void setRawTextSize(float size, boolean shouldRequestLayout) { 3649 if (size != mTextPaint.getTextSize()) { 3650 mTextPaint.setTextSize(size); 3651 3652 if (shouldRequestLayout && mLayout != null) { 3653 // Do not auto-size right after setting the text size. 3654 mNeedsAutoSizeText = false; 3655 nullLayouts(); 3656 requestLayout(); 3657 invalidate(); 3658 } 3659 } 3660 } 3661 3662 /** 3663 * Gets the extent by which text should be stretched horizontally. 3664 * This will usually be 1.0. 3665 * @return The horizontal scale factor. 3666 */ 3667 public float getTextScaleX() { 3668 return mTextPaint.getTextScaleX(); 3669 } 3670 3671 /** 3672 * Sets the horizontal scale factor for text. The default value 3673 * is 1.0. Values greater than 1.0 stretch the text wider. 3674 * Values less than 1.0 make the text narrower. By default, this value is 1.0. 3675 * @param size The horizontal scale factor. 3676 * @attr ref android.R.styleable#TextView_textScaleX 3677 */ 3678 @android.view.RemotableViewMethod 3679 public void setTextScaleX(float size) { 3680 if (size != mTextPaint.getTextScaleX()) { 3681 mUserSetTextScaleX = true; 3682 mTextPaint.setTextScaleX(size); 3683 3684 if (mLayout != null) { 3685 nullLayouts(); 3686 requestLayout(); 3687 invalidate(); 3688 } 3689 } 3690 } 3691 3692 /** 3693 * Sets the typeface and style in which the text should be displayed. 3694 * Note that not all Typeface families actually have bold and italic 3695 * variants, so you may need to use 3696 * {@link #setTypeface(Typeface, int)} to get the appearance 3697 * that you actually want. 3698 * 3699 * @see #getTypeface() 3700 * 3701 * @attr ref android.R.styleable#TextView_fontFamily 3702 * @attr ref android.R.styleable#TextView_typeface 3703 * @attr ref android.R.styleable#TextView_textStyle 3704 */ 3705 public void setTypeface(Typeface tf) { 3706 if (mTextPaint.getTypeface() != tf) { 3707 mTextPaint.setTypeface(tf); 3708 3709 if (mLayout != null) { 3710 nullLayouts(); 3711 requestLayout(); 3712 invalidate(); 3713 } 3714 } 3715 } 3716 3717 /** 3718 * Gets the current {@link Typeface} that is used to style the text. 3719 * @return The current Typeface. 3720 * 3721 * @see #setTypeface(Typeface) 3722 * 3723 * @attr ref android.R.styleable#TextView_fontFamily 3724 * @attr ref android.R.styleable#TextView_typeface 3725 * @attr ref android.R.styleable#TextView_textStyle 3726 */ 3727 public Typeface getTypeface() { 3728 return mTextPaint.getTypeface(); 3729 } 3730 3731 /** 3732 * Set the TextView's elegant height metrics flag. This setting selects font 3733 * variants that have not been compacted to fit Latin-based vertical 3734 * metrics, and also increases top and bottom bounds to provide more space. 3735 * 3736 * @param elegant set the paint's elegant metrics flag. 3737 * 3738 * @attr ref android.R.styleable#TextView_elegantTextHeight 3739 */ 3740 public void setElegantTextHeight(boolean elegant) { 3741 if (elegant != mTextPaint.isElegantTextHeight()) { 3742 mTextPaint.setElegantTextHeight(elegant); 3743 if (mLayout != null) { 3744 nullLayouts(); 3745 requestLayout(); 3746 invalidate(); 3747 } 3748 } 3749 } 3750 3751 /** 3752 * Gets the text letter-space value, which determines the spacing between characters. 3753 * The value returned is in ems. Normally, this value is 0.0. 3754 * @return The text letter-space value in ems. 3755 * 3756 * @see #setLetterSpacing(float) 3757 * @see Paint#setLetterSpacing 3758 */ 3759 public float getLetterSpacing() { 3760 return mTextPaint.getLetterSpacing(); 3761 } 3762 3763 /** 3764 * Sets text letter-spacing in em units. Typical values 3765 * for slight expansion will be around 0.05. Negative values tighten text. 3766 * 3767 * @see #getLetterSpacing() 3768 * @see Paint#getLetterSpacing 3769 * 3770 * @param letterSpacing A text letter-space value in ems. 3771 * @attr ref android.R.styleable#TextView_letterSpacing 3772 */ 3773 @android.view.RemotableViewMethod 3774 public void setLetterSpacing(float letterSpacing) { 3775 if (letterSpacing != mTextPaint.getLetterSpacing()) { 3776 mTextPaint.setLetterSpacing(letterSpacing); 3777 3778 if (mLayout != null) { 3779 nullLayouts(); 3780 requestLayout(); 3781 invalidate(); 3782 } 3783 } 3784 } 3785 3786 /** 3787 * Returns the font feature settings. The format is the same as the CSS 3788 * font-feature-settings attribute: 3789 * <a href="https://www.w3.org/TR/css-fonts-3/#font-feature-settings-prop"> 3790 * https://www.w3.org/TR/css-fonts-3/#font-feature-settings-prop</a> 3791 * 3792 * @return the currently set font feature settings. Default is null. 3793 * 3794 * @see #setFontFeatureSettings(String) 3795 * @see Paint#setFontFeatureSettings(String) Paint.setFontFeatureSettings(String) 3796 */ 3797 @Nullable 3798 public String getFontFeatureSettings() { 3799 return mTextPaint.getFontFeatureSettings(); 3800 } 3801 3802 /** 3803 * Returns the font variation settings. 3804 * 3805 * @return the currently set font variation settings. Returns null if no variation is 3806 * specified. 3807 * 3808 * @see #setFontVariationSettings(String) 3809 * @see Paint#setFontVariationSettings(String) Paint.setFontVariationSettings(String) 3810 */ 3811 @Nullable 3812 public String getFontVariationSettings() { 3813 return mTextPaint.getFontVariationSettings(); 3814 } 3815 3816 /** 3817 * Sets the break strategy for breaking paragraphs into lines. The default value for 3818 * TextView is {@link Layout#BREAK_STRATEGY_HIGH_QUALITY}, and the default value for 3819 * EditText is {@link Layout#BREAK_STRATEGY_SIMPLE}, the latter to avoid the 3820 * text "dancing" when being edited. 3821 * 3822 * @attr ref android.R.styleable#TextView_breakStrategy 3823 * @see #getBreakStrategy() 3824 */ 3825 public void setBreakStrategy(@Layout.BreakStrategy int breakStrategy) { 3826 mBreakStrategy = breakStrategy; 3827 if (mLayout != null) { 3828 nullLayouts(); 3829 requestLayout(); 3830 invalidate(); 3831 } 3832 } 3833 3834 /** 3835 * Gets the current strategy for breaking paragraphs into lines. 3836 * @return the current strategy for breaking paragraphs into lines. 3837 * 3838 * @attr ref android.R.styleable#TextView_breakStrategy 3839 * @see #setBreakStrategy(int) 3840 */ 3841 @Layout.BreakStrategy 3842 public int getBreakStrategy() { 3843 return mBreakStrategy; 3844 } 3845 3846 /** 3847 * Sets the frequency of automatic hyphenation to use when determining word breaks. 3848 * The default value for both TextView and {@link EditText} is 3849 * {@link Layout#HYPHENATION_FREQUENCY_NORMAL}. 3850 * Note that the default hyphenation frequency value is set from the theme. 3851 * 3852 * @param hyphenationFrequency The hyphenation frequency to use. 3853 * @attr ref android.R.styleable#TextView_hyphenationFrequency 3854 * @see #getHyphenationFrequency() 3855 */ 3856 public void setHyphenationFrequency(@Layout.HyphenationFrequency int hyphenationFrequency) { 3857 mHyphenationFrequency = hyphenationFrequency; 3858 if (mLayout != null) { 3859 nullLayouts(); 3860 requestLayout(); 3861 invalidate(); 3862 } 3863 } 3864 3865 /** 3866 * Gets the current frequency of automatic hyphenation to be used when determining word breaks. 3867 * @return the current frequency of automatic hyphenation to be used when determining word 3868 * breaks. 3869 * 3870 * @attr ref android.R.styleable#TextView_hyphenationFrequency 3871 * @see #setHyphenationFrequency(int) 3872 */ 3873 @Layout.HyphenationFrequency 3874 public int getHyphenationFrequency() { 3875 return mHyphenationFrequency; 3876 } 3877 3878 /** 3879 * Set justification mode. The default value is {@link Layout#JUSTIFICATION_MODE_NONE}. If the 3880 * last line is too short for justification, the last line will be displayed with the 3881 * alignment set by {@link android.view.View#setTextAlignment}. 3882 * 3883 * @see #getJustificationMode() 3884 */ 3885 @Layout.JustificationMode 3886 public void setJustificationMode(@Layout.JustificationMode int justificationMode) { 3887 mJustificationMode = justificationMode; 3888 if (mLayout != null) { 3889 nullLayouts(); 3890 requestLayout(); 3891 invalidate(); 3892 } 3893 } 3894 3895 /** 3896 * @return true if currently paragraph justification mode. 3897 * 3898 * @see #setJustificationMode(int) 3899 */ 3900 public @Layout.JustificationMode int getJustificationMode() { 3901 return mJustificationMode; 3902 } 3903 3904 /** 3905 * Sets font feature settings. The format is the same as the CSS 3906 * font-feature-settings attribute: 3907 * <a href="https://www.w3.org/TR/css-fonts-3/#font-feature-settings-prop"> 3908 * https://www.w3.org/TR/css-fonts-3/#font-feature-settings-prop</a> 3909 * 3910 * @param fontFeatureSettings font feature settings represented as CSS compatible string 3911 * 3912 * @see #getFontFeatureSettings() 3913 * @see Paint#getFontFeatureSettings() Paint.getFontFeatureSettings() 3914 * 3915 * @attr ref android.R.styleable#TextView_fontFeatureSettings 3916 */ 3917 @android.view.RemotableViewMethod 3918 public void setFontFeatureSettings(@Nullable String fontFeatureSettings) { 3919 if (fontFeatureSettings != mTextPaint.getFontFeatureSettings()) { 3920 mTextPaint.setFontFeatureSettings(fontFeatureSettings); 3921 3922 if (mLayout != null) { 3923 nullLayouts(); 3924 requestLayout(); 3925 invalidate(); 3926 } 3927 } 3928 } 3929 3930 3931 /** 3932 * Sets TrueType or OpenType font variation settings. The settings string is constructed from 3933 * multiple pairs of axis tag and style values. The axis tag must contain four ASCII characters 3934 * and must be wrapped with single quotes (U+0027) or double quotes (U+0022). Axis strings that 3935 * are longer or shorter than four characters, or contain characters outside of U+0020..U+007E 3936 * are invalid. If a specified axis name is not defined in the font, the settings will be 3937 * ignored. 3938 * 3939 * <p> 3940 * Examples, 3941 * <ul> 3942 * <li>Set font width to 150. 3943 * <pre> 3944 * <code> 3945 * TextView textView = (TextView) findViewById(R.id.textView); 3946 * textView.setFontVariationSettings("'wdth' 150"); 3947 * </code> 3948 * </pre> 3949 * </li> 3950 * 3951 * <li>Set the font slant to 20 degrees and ask for italic style. 3952 * <pre> 3953 * <code> 3954 * TextView textView = (TextView) findViewById(R.id.textView); 3955 * textView.setFontVariationSettings("'slnt' 20, 'ital' 1"); 3956 * </code> 3957 * </pre> 3958 * </p> 3959 * </li> 3960 * </ul> 3961 * 3962 * @param fontVariationSettings font variation settings. You can pass null or empty string as 3963 * no variation settings. 3964 * @return true if the given settings is effective to at least one font file underlying this 3965 * TextView. This function also returns true for empty settings string. Otherwise 3966 * returns false. 3967 * 3968 * @throws IllegalArgumentException If given string is not a valid font variation settings 3969 * format. 3970 * 3971 * @see #getFontVariationSettings() 3972 * @see FontVariationAxis 3973 */ 3974 public boolean setFontVariationSettings(@Nullable String fontVariationSettings) { 3975 final String existingSettings = mTextPaint.getFontVariationSettings(); 3976 if (fontVariationSettings == existingSettings 3977 || (fontVariationSettings != null 3978 && fontVariationSettings.equals(existingSettings))) { 3979 return true; 3980 } 3981 boolean effective = mTextPaint.setFontVariationSettings(fontVariationSettings); 3982 3983 if (effective && mLayout != null) { 3984 nullLayouts(); 3985 requestLayout(); 3986 invalidate(); 3987 } 3988 return effective; 3989 } 3990 3991 /** 3992 * Sets the text color for all the states (normal, selected, 3993 * focused) to be this color. 3994 * 3995 * @param color A color value in the form 0xAARRGGBB. 3996 * Do not pass a resource ID. To get a color value from a resource ID, call 3997 * {@link android.support.v4.content.ContextCompat#getColor(Context, int) getColor}. 3998 * 3999 * @see #setTextColor(ColorStateList) 4000 * @see #getTextColors() 4001 * 4002 * @attr ref android.R.styleable#TextView_textColor 4003 */ 4004 @android.view.RemotableViewMethod 4005 public void setTextColor(@ColorInt int color) { 4006 mTextColor = ColorStateList.valueOf(color); 4007 updateTextColors(); 4008 } 4009 4010 /** 4011 * Sets the text color. 4012 * 4013 * @see #setTextColor(int) 4014 * @see #getTextColors() 4015 * @see #setHintTextColor(ColorStateList) 4016 * @see #setLinkTextColor(ColorStateList) 4017 * 4018 * @attr ref android.R.styleable#TextView_textColor 4019 */ 4020 @android.view.RemotableViewMethod 4021 public void setTextColor(ColorStateList colors) { 4022 if (colors == null) { 4023 throw new NullPointerException(); 4024 } 4025 4026 mTextColor = colors; 4027 updateTextColors(); 4028 } 4029 4030 /** 4031 * Gets the text colors for the different states (normal, selected, focused) of the TextView. 4032 * 4033 * @see #setTextColor(ColorStateList) 4034 * @see #setTextColor(int) 4035 * 4036 * @attr ref android.R.styleable#TextView_textColor 4037 */ 4038 public final ColorStateList getTextColors() { 4039 return mTextColor; 4040 } 4041 4042 /** 4043 * Return the current color selected for normal text. 4044 * 4045 * @return Returns the current text color. 4046 */ 4047 @ColorInt 4048 public final int getCurrentTextColor() { 4049 return mCurTextColor; 4050 } 4051 4052 /** 4053 * Sets the color used to display the selection highlight. 4054 * 4055 * @attr ref android.R.styleable#TextView_textColorHighlight 4056 */ 4057 @android.view.RemotableViewMethod 4058 public void setHighlightColor(@ColorInt int color) { 4059 if (mHighlightColor != color) { 4060 mHighlightColor = color; 4061 invalidate(); 4062 } 4063 } 4064 4065 /** 4066 * @return the color used to display the selection highlight 4067 * 4068 * @see #setHighlightColor(int) 4069 * 4070 * @attr ref android.R.styleable#TextView_textColorHighlight 4071 */ 4072 @ColorInt 4073 public int getHighlightColor() { 4074 return mHighlightColor; 4075 } 4076 4077 /** 4078 * Sets whether the soft input method will be made visible when this 4079 * TextView gets focused. The default is true. 4080 */ 4081 @android.view.RemotableViewMethod 4082 public final void setShowSoftInputOnFocus(boolean show) { 4083 createEditorIfNeeded(); 4084 mEditor.mShowSoftInputOnFocus = show; 4085 } 4086 4087 /** 4088 * Returns whether the soft input method will be made visible when this 4089 * TextView gets focused. The default is true. 4090 */ 4091 public final boolean getShowSoftInputOnFocus() { 4092 // When there is no Editor, return default true value 4093 return mEditor == null || mEditor.mShowSoftInputOnFocus; 4094 } 4095 4096 /** 4097 * Gives the text a shadow of the specified blur radius and color, the specified 4098 * distance from its drawn position. 4099 * <p> 4100 * The text shadow produced does not interact with the properties on view 4101 * that are responsible for real time shadows, 4102 * {@link View#getElevation() elevation} and 4103 * {@link View#getTranslationZ() translationZ}. 4104 * 4105 * @see Paint#setShadowLayer(float, float, float, int) 4106 * 4107 * @attr ref android.R.styleable#TextView_shadowColor 4108 * @attr ref android.R.styleable#TextView_shadowDx 4109 * @attr ref android.R.styleable#TextView_shadowDy 4110 * @attr ref android.R.styleable#TextView_shadowRadius 4111 */ 4112 public void setShadowLayer(float radius, float dx, float dy, int color) { 4113 mTextPaint.setShadowLayer(radius, dx, dy, color); 4114 4115 mShadowRadius = radius; 4116 mShadowDx = dx; 4117 mShadowDy = dy; 4118 mShadowColor = color; 4119 4120 // Will change text clip region 4121 if (mEditor != null) { 4122 mEditor.invalidateTextDisplayList(); 4123 mEditor.invalidateHandlesAndActionMode(); 4124 } 4125 invalidate(); 4126 } 4127 4128 /** 4129 * Gets the radius of the shadow layer. 4130 * 4131 * @return the radius of the shadow layer. If 0, the shadow layer is not visible 4132 * 4133 * @see #setShadowLayer(float, float, float, int) 4134 * 4135 * @attr ref android.R.styleable#TextView_shadowRadius 4136 */ 4137 public float getShadowRadius() { 4138 return mShadowRadius; 4139 } 4140 4141 /** 4142 * @return the horizontal offset of the shadow layer 4143 * 4144 * @see #setShadowLayer(float, float, float, int) 4145 * 4146 * @attr ref android.R.styleable#TextView_shadowDx 4147 */ 4148 public float getShadowDx() { 4149 return mShadowDx; 4150 } 4151 4152 /** 4153 * Gets the vertical offset of the shadow layer. 4154 * @return The vertical offset of the shadow layer. 4155 * 4156 * @see #setShadowLayer(float, float, float, int) 4157 * 4158 * @attr ref android.R.styleable#TextView_shadowDy 4159 */ 4160 public float getShadowDy() { 4161 return mShadowDy; 4162 } 4163 4164 /** 4165 * Gets the color of the shadow layer. 4166 * @return the color of the shadow layer 4167 * 4168 * @see #setShadowLayer(float, float, float, int) 4169 * 4170 * @attr ref android.R.styleable#TextView_shadowColor 4171 */ 4172 @ColorInt 4173 public int getShadowColor() { 4174 return mShadowColor; 4175 } 4176 4177 /** 4178 * Gets the {@link TextPaint} used for the text. 4179 * Use this only to consult the Paint's properties and not to change them. 4180 * @return The base paint used for the text. 4181 */ 4182 public TextPaint getPaint() { 4183 return mTextPaint; 4184 } 4185 4186 /** 4187 * Sets the autolink mask of the text. See {@link 4188 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 4189 * possible values. 4190 * 4191 * @attr ref android.R.styleable#TextView_autoLink 4192 */ 4193 @android.view.RemotableViewMethod 4194 public final void setAutoLinkMask(int mask) { 4195 mAutoLinkMask = mask; 4196 } 4197 4198 /** 4199 * Sets whether the movement method will automatically be set to 4200 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 4201 * set to nonzero and links are detected in {@link #setText}. 4202 * The default is true. 4203 * 4204 * @attr ref android.R.styleable#TextView_linksClickable 4205 */ 4206 @android.view.RemotableViewMethod 4207 public final void setLinksClickable(boolean whether) { 4208 mLinksClickable = whether; 4209 } 4210 4211 /** 4212 * Returns whether the movement method will automatically be set to 4213 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 4214 * set to nonzero and links are detected in {@link #setText}. 4215 * The default is true. 4216 * 4217 * @attr ref android.R.styleable#TextView_linksClickable 4218 */ 4219 public final boolean getLinksClickable() { 4220 return mLinksClickable; 4221 } 4222 4223 /** 4224 * Returns the list of {@link android.text.style.URLSpan URLSpans} attached to the text 4225 * (by {@link Linkify} or otherwise) if any. You can call 4226 * {@link URLSpan#getURL} on them to find where they link to 4227 * or use {@link Spanned#getSpanStart} and {@link Spanned#getSpanEnd} 4228 * to find the region of the text they are attached to. 4229 */ 4230 public URLSpan[] getUrls() { 4231 if (mText instanceof Spanned) { 4232 return ((Spanned) mText).getSpans(0, mText.length(), URLSpan.class); 4233 } else { 4234 return new URLSpan[0]; 4235 } 4236 } 4237 4238 /** 4239 * Sets the color of the hint text for all the states (disabled, focussed, selected...) of this 4240 * TextView. 4241 * 4242 * @see #setHintTextColor(ColorStateList) 4243 * @see #getHintTextColors() 4244 * @see #setTextColor(int) 4245 * 4246 * @attr ref android.R.styleable#TextView_textColorHint 4247 */ 4248 @android.view.RemotableViewMethod 4249 public final void setHintTextColor(@ColorInt int color) { 4250 mHintTextColor = ColorStateList.valueOf(color); 4251 updateTextColors(); 4252 } 4253 4254 /** 4255 * Sets the color of the hint text. 4256 * 4257 * @see #getHintTextColors() 4258 * @see #setHintTextColor(int) 4259 * @see #setTextColor(ColorStateList) 4260 * @see #setLinkTextColor(ColorStateList) 4261 * 4262 * @attr ref android.R.styleable#TextView_textColorHint 4263 */ 4264 public final void setHintTextColor(ColorStateList colors) { 4265 mHintTextColor = colors; 4266 updateTextColors(); 4267 } 4268 4269 /** 4270 * @return the color of the hint text, for the different states of this TextView. 4271 * 4272 * @see #setHintTextColor(ColorStateList) 4273 * @see #setHintTextColor(int) 4274 * @see #setTextColor(ColorStateList) 4275 * @see #setLinkTextColor(ColorStateList) 4276 * 4277 * @attr ref android.R.styleable#TextView_textColorHint 4278 */ 4279 public final ColorStateList getHintTextColors() { 4280 return mHintTextColor; 4281 } 4282 4283 /** 4284 * <p>Return the current color selected to paint the hint text.</p> 4285 * 4286 * @return Returns the current hint text color. 4287 */ 4288 @ColorInt 4289 public final int getCurrentHintTextColor() { 4290 return mHintTextColor != null ? mCurHintTextColor : mCurTextColor; 4291 } 4292 4293 /** 4294 * Sets the color of links in the text. 4295 * 4296 * @see #setLinkTextColor(ColorStateList) 4297 * @see #getLinkTextColors() 4298 * 4299 * @attr ref android.R.styleable#TextView_textColorLink 4300 */ 4301 @android.view.RemotableViewMethod 4302 public final void setLinkTextColor(@ColorInt int color) { 4303 mLinkTextColor = ColorStateList.valueOf(color); 4304 updateTextColors(); 4305 } 4306 4307 /** 4308 * Sets the color of links in the text. 4309 * 4310 * @see #setLinkTextColor(int) 4311 * @see #getLinkTextColors() 4312 * @see #setTextColor(ColorStateList) 4313 * @see #setHintTextColor(ColorStateList) 4314 * 4315 * @attr ref android.R.styleable#TextView_textColorLink 4316 */ 4317 public final void setLinkTextColor(ColorStateList colors) { 4318 mLinkTextColor = colors; 4319 updateTextColors(); 4320 } 4321 4322 /** 4323 * @return the list of colors used to paint the links in the text, for the different states of 4324 * this TextView 4325 * 4326 * @see #setLinkTextColor(ColorStateList) 4327 * @see #setLinkTextColor(int) 4328 * 4329 * @attr ref android.R.styleable#TextView_textColorLink 4330 */ 4331 public final ColorStateList getLinkTextColors() { 4332 return mLinkTextColor; 4333 } 4334 4335 /** 4336 * Sets the horizontal alignment of the text and the 4337 * vertical gravity that will be used when there is extra space 4338 * in the TextView beyond what is required for the text itself. 4339 * 4340 * @see android.view.Gravity 4341 * @attr ref android.R.styleable#TextView_gravity 4342 */ 4343 public void setGravity(int gravity) { 4344 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) == 0) { 4345 gravity |= Gravity.START; 4346 } 4347 if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 4348 gravity |= Gravity.TOP; 4349 } 4350 4351 boolean newLayout = false; 4352 4353 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) 4354 != (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK)) { 4355 newLayout = true; 4356 } 4357 4358 if (gravity != mGravity) { 4359 invalidate(); 4360 } 4361 4362 mGravity = gravity; 4363 4364 if (mLayout != null && newLayout) { 4365 // XXX this is heavy-handed because no actual content changes. 4366 int want = mLayout.getWidth(); 4367 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 4368 4369 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 4370 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), true); 4371 } 4372 } 4373 4374 /** 4375 * Returns the horizontal and vertical alignment of this TextView. 4376 * 4377 * @see android.view.Gravity 4378 * @attr ref android.R.styleable#TextView_gravity 4379 */ 4380 public int getGravity() { 4381 return mGravity; 4382 } 4383 4384 /** 4385 * Gets the flags on the Paint being used to display the text. 4386 * @return The flags on the Paint being used to display the text. 4387 * @see Paint#getFlags 4388 */ 4389 public int getPaintFlags() { 4390 return mTextPaint.getFlags(); 4391 } 4392 4393 /** 4394 * Sets flags on the Paint being used to display the text and 4395 * reflows the text if they are different from the old flags. 4396 * @see Paint#setFlags 4397 */ 4398 @android.view.RemotableViewMethod 4399 public void setPaintFlags(int flags) { 4400 if (mTextPaint.getFlags() != flags) { 4401 mTextPaint.setFlags(flags); 4402 4403 if (mLayout != null) { 4404 nullLayouts(); 4405 requestLayout(); 4406 invalidate(); 4407 } 4408 } 4409 } 4410 4411 /** 4412 * Sets whether the text should be allowed to be wider than the 4413 * View is. If false, it will be wrapped to the width of the View. 4414 * 4415 * @attr ref android.R.styleable#TextView_scrollHorizontally 4416 */ 4417 public void setHorizontallyScrolling(boolean whether) { 4418 if (mHorizontallyScrolling != whether) { 4419 mHorizontallyScrolling = whether; 4420 4421 if (mLayout != null) { 4422 nullLayouts(); 4423 requestLayout(); 4424 invalidate(); 4425 } 4426 } 4427 } 4428 4429 /** 4430 * Returns whether the text is allowed to be wider than the View is. 4431 * If false, the text will be wrapped to the width of the View. 4432 * 4433 * @attr ref android.R.styleable#TextView_scrollHorizontally 4434 * @hide 4435 */ 4436 public boolean getHorizontallyScrolling() { 4437 return mHorizontallyScrolling; 4438 } 4439 4440 /** 4441 * Sets the height of the TextView to be at least {@code minLines} tall. 4442 * <p> 4443 * This value is used for height calculation if LayoutParams does not force TextView to have an 4444 * exact height. Setting this value overrides other previous minimum height configurations such 4445 * as {@link #setMinHeight(int)} or {@link #setHeight(int)}. {@link #setSingleLine()} will set 4446 * this value to 1. 4447 * 4448 * @param minLines the minimum height of TextView in terms of number of lines 4449 * 4450 * @see #getMinLines() 4451 * @see #setLines(int) 4452 * 4453 * @attr ref android.R.styleable#TextView_minLines 4454 */ 4455 @android.view.RemotableViewMethod 4456 public void setMinLines(int minLines) { 4457 mMinimum = minLines; 4458 mMinMode = LINES; 4459 4460 requestLayout(); 4461 invalidate(); 4462 } 4463 4464 /** 4465 * Returns the minimum height of TextView in terms of number of lines or -1 if the minimum 4466 * height was set using {@link #setMinHeight(int)} or {@link #setHeight(int)}. 4467 * 4468 * @return the minimum height of TextView in terms of number of lines or -1 if the minimum 4469 * height is not defined in lines 4470 * 4471 * @see #setMinLines(int) 4472 * @see #setLines(int) 4473 * 4474 * @attr ref android.R.styleable#TextView_minLines 4475 */ 4476 public int getMinLines() { 4477 return mMinMode == LINES ? mMinimum : -1; 4478 } 4479 4480 /** 4481 * Sets the height of the TextView to be at least {@code minPixels} tall. 4482 * <p> 4483 * This value is used for height calculation if LayoutParams does not force TextView to have an 4484 * exact height. Setting this value overrides previous minimum height configurations such as 4485 * {@link #setMinLines(int)} or {@link #setLines(int)}. 4486 * <p> 4487 * The value given here is different than {@link #setMinimumHeight(int)}. Between 4488 * {@code minHeight} and the value set in {@link #setMinimumHeight(int)}, the greater one is 4489 * used to decide the final height. 4490 * 4491 * @param minPixels the minimum height of TextView in terms of pixels 4492 * 4493 * @see #getMinHeight() 4494 * @see #setHeight(int) 4495 * 4496 * @attr ref android.R.styleable#TextView_minHeight 4497 */ 4498 @android.view.RemotableViewMethod 4499 public void setMinHeight(int minPixels) { 4500 mMinimum = minPixels; 4501 mMinMode = PIXELS; 4502 4503 requestLayout(); 4504 invalidate(); 4505 } 4506 4507 /** 4508 * Returns the minimum height of TextView in terms of pixels or -1 if the minimum height was 4509 * set using {@link #setMinLines(int)} or {@link #setLines(int)}. 4510 * 4511 * @return the minimum height of TextView in terms of pixels or -1 if the minimum height is not 4512 * defined in pixels 4513 * 4514 * @see #setMinHeight(int) 4515 * @see #setHeight(int) 4516 * 4517 * @attr ref android.R.styleable#TextView_minHeight 4518 */ 4519 public int getMinHeight() { 4520 return mMinMode == PIXELS ? mMinimum : -1; 4521 } 4522 4523 /** 4524 * Sets the height of the TextView to be at most {@code maxLines} tall. 4525 * <p> 4526 * This value is used for height calculation if LayoutParams does not force TextView to have an 4527 * exact height. Setting this value overrides previous maximum height configurations such as 4528 * {@link #setMaxHeight(int)} or {@link #setLines(int)}. 4529 * 4530 * @param maxLines the maximum height of TextView in terms of number of lines 4531 * 4532 * @see #getMaxLines() 4533 * @see #setLines(int) 4534 * 4535 * @attr ref android.R.styleable#TextView_maxLines 4536 */ 4537 @android.view.RemotableViewMethod 4538 public void setMaxLines(int maxLines) { 4539 mMaximum = maxLines; 4540 mMaxMode = LINES; 4541 4542 requestLayout(); 4543 invalidate(); 4544 } 4545 4546 /** 4547 * Returns the maximum height of TextView in terms of number of lines or -1 if the 4548 * maximum height was set using {@link #setMaxHeight(int)} or {@link #setHeight(int)}. 4549 * 4550 * @return the maximum height of TextView in terms of number of lines. -1 if the maximum height 4551 * is not defined in lines. 4552 * 4553 * @see #setMaxLines(int) 4554 * @see #setLines(int) 4555 * 4556 * @attr ref android.R.styleable#TextView_maxLines 4557 */ 4558 public int getMaxLines() { 4559 return mMaxMode == LINES ? mMaximum : -1; 4560 } 4561 4562 /** 4563 * Sets the height of the TextView to be at most {@code maxPixels} tall. 4564 * <p> 4565 * This value is used for height calculation if LayoutParams does not force TextView to have an 4566 * exact height. Setting this value overrides previous maximum height configurations such as 4567 * {@link #setMaxLines(int)} or {@link #setLines(int)}. 4568 * 4569 * @param maxPixels the maximum height of TextView in terms of pixels 4570 * 4571 * @see #getMaxHeight() 4572 * @see #setHeight(int) 4573 * 4574 * @attr ref android.R.styleable#TextView_maxHeight 4575 */ 4576 @android.view.RemotableViewMethod 4577 public void setMaxHeight(int maxPixels) { 4578 mMaximum = maxPixels; 4579 mMaxMode = PIXELS; 4580 4581 requestLayout(); 4582 invalidate(); 4583 } 4584 4585 /** 4586 * Returns the maximum height of TextView in terms of pixels or -1 if the maximum height was 4587 * set using {@link #setMaxLines(int)} or {@link #setLines(int)}. 4588 * 4589 * @return the maximum height of TextView in terms of pixels or -1 if the maximum height 4590 * is not defined in pixels 4591 * 4592 * @see #setMaxHeight(int) 4593 * @see #setHeight(int) 4594 * 4595 * @attr ref android.R.styleable#TextView_maxHeight 4596 */ 4597 public int getMaxHeight() { 4598 return mMaxMode == PIXELS ? mMaximum : -1; 4599 } 4600 4601 /** 4602 * Sets the height of the TextView to be exactly {@code lines} tall. 4603 * <p> 4604 * This value is used for height calculation if LayoutParams does not force TextView to have an 4605 * exact height. Setting this value overrides previous minimum/maximum height configurations 4606 * such as {@link #setMinLines(int)} or {@link #setMaxLines(int)}. {@link #setSingleLine()} will 4607 * set this value to 1. 4608 * 4609 * @param lines the exact height of the TextView in terms of lines 4610 * 4611 * @see #setHeight(int) 4612 * 4613 * @attr ref android.R.styleable#TextView_lines 4614 */ 4615 @android.view.RemotableViewMethod 4616 public void setLines(int lines) { 4617 mMaximum = mMinimum = lines; 4618 mMaxMode = mMinMode = LINES; 4619 4620 requestLayout(); 4621 invalidate(); 4622 } 4623 4624 /** 4625 * Sets the height of the TextView to be exactly <code>pixels</code> tall. 4626 * <p> 4627 * This value is used for height calculation if LayoutParams does not force TextView to have an 4628 * exact height. Setting this value overrides previous minimum/maximum height configurations 4629 * such as {@link #setMinHeight(int)} or {@link #setMaxHeight(int)}. 4630 * 4631 * @param pixels the exact height of the TextView in terms of pixels 4632 * 4633 * @see #setLines(int) 4634 * 4635 * @attr ref android.R.styleable#TextView_height 4636 */ 4637 @android.view.RemotableViewMethod 4638 public void setHeight(int pixels) { 4639 mMaximum = mMinimum = pixels; 4640 mMaxMode = mMinMode = PIXELS; 4641 4642 requestLayout(); 4643 invalidate(); 4644 } 4645 4646 /** 4647 * Sets the width of the TextView to be at least {@code minEms} wide. 4648 * <p> 4649 * This value is used for width calculation if LayoutParams does not force TextView to have an 4650 * exact width. Setting this value overrides previous minimum width configurations such as 4651 * {@link #setMinWidth(int)} or {@link #setWidth(int)}. 4652 * 4653 * @param minEms the minimum width of TextView in terms of ems 4654 * 4655 * @see #getMinEms() 4656 * @see #setEms(int) 4657 * 4658 * @attr ref android.R.styleable#TextView_minEms 4659 */ 4660 @android.view.RemotableViewMethod 4661 public void setMinEms(int minEms) { 4662 mMinWidth = minEms; 4663 mMinWidthMode = EMS; 4664 4665 requestLayout(); 4666 invalidate(); 4667 } 4668 4669 /** 4670 * Returns the minimum width of TextView in terms of ems or -1 if the minimum width was set 4671 * using {@link #setMinWidth(int)} or {@link #setWidth(int)}. 4672 * 4673 * @return the minimum width of TextView in terms of ems. -1 if the minimum width is not 4674 * defined in ems 4675 * 4676 * @see #setMinEms(int) 4677 * @see #setEms(int) 4678 * 4679 * @attr ref android.R.styleable#TextView_minEms 4680 */ 4681 public int getMinEms() { 4682 return mMinWidthMode == EMS ? mMinWidth : -1; 4683 } 4684 4685 /** 4686 * Sets the width of the TextView to be at least {@code minPixels} wide. 4687 * <p> 4688 * This value is used for width calculation if LayoutParams does not force TextView to have an 4689 * exact width. Setting this value overrides previous minimum width configurations such as 4690 * {@link #setMinEms(int)} or {@link #setEms(int)}. 4691 * <p> 4692 * The value given here is different than {@link #setMinimumWidth(int)}. Between 4693 * {@code minWidth} and the value set in {@link #setMinimumWidth(int)}, the greater one is used 4694 * to decide the final width. 4695 * 4696 * @param minPixels the minimum width of TextView in terms of pixels 4697 * 4698 * @see #getMinWidth() 4699 * @see #setWidth(int) 4700 * 4701 * @attr ref android.R.styleable#TextView_minWidth 4702 */ 4703 @android.view.RemotableViewMethod 4704 public void setMinWidth(int minPixels) { 4705 mMinWidth = minPixels; 4706 mMinWidthMode = PIXELS; 4707 4708 requestLayout(); 4709 invalidate(); 4710 } 4711 4712 /** 4713 * Returns the minimum width of TextView in terms of pixels or -1 if the minimum width was set 4714 * using {@link #setMinEms(int)} or {@link #setEms(int)}. 4715 * 4716 * @return the minimum width of TextView in terms of pixels or -1 if the minimum width is not 4717 * defined in pixels 4718 * 4719 * @see #setMinWidth(int) 4720 * @see #setWidth(int) 4721 * 4722 * @attr ref android.R.styleable#TextView_minWidth 4723 */ 4724 public int getMinWidth() { 4725 return mMinWidthMode == PIXELS ? mMinWidth : -1; 4726 } 4727 4728 /** 4729 * Sets the width of the TextView to be at most {@code maxEms} wide. 4730 * <p> 4731 * This value is used for width calculation if LayoutParams does not force TextView to have an 4732 * exact width. Setting this value overrides previous maximum width configurations such as 4733 * {@link #setMaxWidth(int)} or {@link #setWidth(int)}. 4734 * 4735 * @param maxEms the maximum width of TextView in terms of ems 4736 * 4737 * @see #getMaxEms() 4738 * @see #setEms(int) 4739 * 4740 * @attr ref android.R.styleable#TextView_maxEms 4741 */ 4742 @android.view.RemotableViewMethod 4743 public void setMaxEms(int maxEms) { 4744 mMaxWidth = maxEms; 4745 mMaxWidthMode = EMS; 4746 4747 requestLayout(); 4748 invalidate(); 4749 } 4750 4751 /** 4752 * Returns the maximum width of TextView in terms of ems or -1 if the maximum width was set 4753 * using {@link #setMaxWidth(int)} or {@link #setWidth(int)}. 4754 * 4755 * @return the maximum width of TextView in terms of ems or -1 if the maximum width is not 4756 * defined in ems 4757 * 4758 * @see #setMaxEms(int) 4759 * @see #setEms(int) 4760 * 4761 * @attr ref android.R.styleable#TextView_maxEms 4762 */ 4763 public int getMaxEms() { 4764 return mMaxWidthMode == EMS ? mMaxWidth : -1; 4765 } 4766 4767 /** 4768 * Sets the width of the TextView to be at most {@code maxPixels} wide. 4769 * <p> 4770 * This value is used for width calculation if LayoutParams does not force TextView to have an 4771 * exact width. Setting this value overrides previous maximum width configurations such as 4772 * {@link #setMaxEms(int)} or {@link #setEms(int)}. 4773 * 4774 * @param maxPixels the maximum width of TextView in terms of pixels 4775 * 4776 * @see #getMaxWidth() 4777 * @see #setWidth(int) 4778 * 4779 * @attr ref android.R.styleable#TextView_maxWidth 4780 */ 4781 @android.view.RemotableViewMethod 4782 public void setMaxWidth(int maxPixels) { 4783 mMaxWidth = maxPixels; 4784 mMaxWidthMode = PIXELS; 4785 4786 requestLayout(); 4787 invalidate(); 4788 } 4789 4790 /** 4791 * Returns the maximum width of TextView in terms of pixels or -1 if the maximum width was set 4792 * using {@link #setMaxEms(int)} or {@link #setEms(int)}. 4793 * 4794 * @return the maximum width of TextView in terms of pixels. -1 if the maximum width is not 4795 * defined in pixels 4796 * 4797 * @see #setMaxWidth(int) 4798 * @see #setWidth(int) 4799 * 4800 * @attr ref android.R.styleable#TextView_maxWidth 4801 */ 4802 public int getMaxWidth() { 4803 return mMaxWidthMode == PIXELS ? mMaxWidth : -1; 4804 } 4805 4806 /** 4807 * Sets the width of the TextView to be exactly {@code ems} wide. 4808 * 4809 * This value is used for width calculation if LayoutParams does not force TextView to have an 4810 * exact width. Setting this value overrides previous minimum/maximum configurations such as 4811 * {@link #setMinEms(int)} or {@link #setMaxEms(int)}. 4812 * 4813 * @param ems the exact width of the TextView in terms of ems 4814 * 4815 * @see #setWidth(int) 4816 * 4817 * @attr ref android.R.styleable#TextView_ems 4818 */ 4819 @android.view.RemotableViewMethod 4820 public void setEms(int ems) { 4821 mMaxWidth = mMinWidth = ems; 4822 mMaxWidthMode = mMinWidthMode = EMS; 4823 4824 requestLayout(); 4825 invalidate(); 4826 } 4827 4828 /** 4829 * Sets the width of the TextView to be exactly {@code pixels} wide. 4830 * <p> 4831 * This value is used for width calculation if LayoutParams does not force TextView to have an 4832 * exact width. Setting this value overrides previous minimum/maximum width configurations 4833 * such as {@link #setMinWidth(int)} or {@link #setMaxWidth(int)}. 4834 * 4835 * @param pixels the exact width of the TextView in terms of pixels 4836 * 4837 * @see #setEms(int) 4838 * 4839 * @attr ref android.R.styleable#TextView_width 4840 */ 4841 @android.view.RemotableViewMethod 4842 public void setWidth(int pixels) { 4843 mMaxWidth = mMinWidth = pixels; 4844 mMaxWidthMode = mMinWidthMode = PIXELS; 4845 4846 requestLayout(); 4847 invalidate(); 4848 } 4849 4850 /** 4851 * Sets line spacing for this TextView. Each line will have its height 4852 * multiplied by <code>mult</code> and have <code>add</code> added to it. 4853 * 4854 * @attr ref android.R.styleable#TextView_lineSpacingExtra 4855 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 4856 */ 4857 public void setLineSpacing(float add, float mult) { 4858 if (mSpacingAdd != add || mSpacingMult != mult) { 4859 mSpacingAdd = add; 4860 mSpacingMult = mult; 4861 4862 if (mLayout != null) { 4863 nullLayouts(); 4864 requestLayout(); 4865 invalidate(); 4866 } 4867 } 4868 } 4869 4870 /** 4871 * Gets the line spacing multiplier 4872 * 4873 * @return the value by which each line's height is multiplied to get its actual height. 4874 * 4875 * @see #setLineSpacing(float, float) 4876 * @see #getLineSpacingExtra() 4877 * 4878 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 4879 */ 4880 public float getLineSpacingMultiplier() { 4881 return mSpacingMult; 4882 } 4883 4884 /** 4885 * Gets the line spacing extra space 4886 * 4887 * @return the extra space that is added to the height of each lines of this TextView. 4888 * 4889 * @see #setLineSpacing(float, float) 4890 * @see #getLineSpacingMultiplier() 4891 * 4892 * @attr ref android.R.styleable#TextView_lineSpacingExtra 4893 */ 4894 public float getLineSpacingExtra() { 4895 return mSpacingAdd; 4896 } 4897 4898 /** 4899 * Convenience method to append the specified text to the TextView's 4900 * display buffer, upgrading it to {@link android.widget.TextView.BufferType#EDITABLE} 4901 * if it was not already editable. 4902 * 4903 * @param text text to be appended to the already displayed text 4904 */ 4905 public final void append(CharSequence text) { 4906 append(text, 0, text.length()); 4907 } 4908 4909 /** 4910 * Convenience method to append the specified text slice to the TextView's 4911 * display buffer, upgrading it to {@link android.widget.TextView.BufferType#EDITABLE} 4912 * if it was not already editable. 4913 * 4914 * @param text text to be appended to the already displayed text 4915 * @param start the index of the first character in the {@code text} 4916 * @param end the index of the character following the last character in the {@code text} 4917 * 4918 * @see Appendable#append(CharSequence, int, int) 4919 */ 4920 public void append(CharSequence text, int start, int end) { 4921 if (!(mText instanceof Editable)) { 4922 setText(mText, BufferType.EDITABLE); 4923 } 4924 4925 ((Editable) mText).append(text, start, end); 4926 4927 if (mAutoLinkMask != 0) { 4928 boolean linksWereAdded = Linkify.addLinks((Spannable) mText, mAutoLinkMask); 4929 // Do not change the movement method for text that support text selection as it 4930 // would prevent an arbitrary cursor displacement. 4931 if (linksWereAdded && mLinksClickable && !textCanBeSelected()) { 4932 setMovementMethod(LinkMovementMethod.getInstance()); 4933 } 4934 } 4935 } 4936 4937 private void updateTextColors() { 4938 boolean inval = false; 4939 int color = mTextColor.getColorForState(getDrawableState(), 0); 4940 if (color != mCurTextColor) { 4941 mCurTextColor = color; 4942 inval = true; 4943 } 4944 if (mLinkTextColor != null) { 4945 color = mLinkTextColor.getColorForState(getDrawableState(), 0); 4946 if (color != mTextPaint.linkColor) { 4947 mTextPaint.linkColor = color; 4948 inval = true; 4949 } 4950 } 4951 if (mHintTextColor != null) { 4952 color = mHintTextColor.getColorForState(getDrawableState(), 0); 4953 if (color != mCurHintTextColor) { 4954 mCurHintTextColor = color; 4955 if (mText.length() == 0) { 4956 inval = true; 4957 } 4958 } 4959 } 4960 if (inval) { 4961 // Text needs to be redrawn with the new color 4962 if (mEditor != null) mEditor.invalidateTextDisplayList(); 4963 invalidate(); 4964 } 4965 } 4966 4967 @Override 4968 protected void drawableStateChanged() { 4969 super.drawableStateChanged(); 4970 4971 if (mTextColor != null && mTextColor.isStateful() 4972 || (mHintTextColor != null && mHintTextColor.isStateful()) 4973 || (mLinkTextColor != null && mLinkTextColor.isStateful())) { 4974 updateTextColors(); 4975 } 4976 4977 if (mDrawables != null) { 4978 final int[] state = getDrawableState(); 4979 for (Drawable dr : mDrawables.mShowing) { 4980 if (dr != null && dr.isStateful() && dr.setState(state)) { 4981 invalidateDrawable(dr); 4982 } 4983 } 4984 } 4985 } 4986 4987 @Override 4988 public void drawableHotspotChanged(float x, float y) { 4989 super.drawableHotspotChanged(x, y); 4990 4991 if (mDrawables != null) { 4992 for (Drawable dr : mDrawables.mShowing) { 4993 if (dr != null) { 4994 dr.setHotspot(x, y); 4995 } 4996 } 4997 } 4998 } 4999 5000 @Override 5001 public Parcelable onSaveInstanceState() { 5002 Parcelable superState = super.onSaveInstanceState(); 5003 5004 // Save state if we are forced to 5005 final boolean freezesText = getFreezesText(); 5006 boolean hasSelection = false; 5007 int start = -1; 5008 int end = -1; 5009 5010 if (mText != null) { 5011 start = getSelectionStart(); 5012 end = getSelectionEnd(); 5013 if (start >= 0 || end >= 0) { 5014 // Or save state if there is a selection 5015 hasSelection = true; 5016 } 5017 } 5018 5019 if (freezesText || hasSelection) { 5020 SavedState ss = new SavedState(superState); 5021 5022 if (freezesText) { 5023 if (mText instanceof Spanned) { 5024 final Spannable sp = new SpannableStringBuilder(mText); 5025 5026 if (mEditor != null) { 5027 removeMisspelledSpans(sp); 5028 sp.removeSpan(mEditor.mSuggestionRangeSpan); 5029 } 5030 5031 ss.text = sp; 5032 } else { 5033 ss.text = mText.toString(); 5034 } 5035 } 5036 5037 if (hasSelection) { 5038 // XXX Should also save the current scroll position! 5039 ss.selStart = start; 5040 ss.selEnd = end; 5041 } 5042 5043 if (isFocused() && start >= 0 && end >= 0) { 5044 ss.frozenWithFocus = true; 5045 } 5046 5047 ss.error = getError(); 5048 5049 if (mEditor != null) { 5050 ss.editorState = mEditor.saveInstanceState(); 5051 } 5052 return ss; 5053 } 5054 5055 return superState; 5056 } 5057 5058 void removeMisspelledSpans(Spannable spannable) { 5059 SuggestionSpan[] suggestionSpans = spannable.getSpans(0, spannable.length(), 5060 SuggestionSpan.class); 5061 for (int i = 0; i < suggestionSpans.length; i++) { 5062 int flags = suggestionSpans[i].getFlags(); 5063 if ((flags & SuggestionSpan.FLAG_EASY_CORRECT) != 0 5064 && (flags & SuggestionSpan.FLAG_MISSPELLED) != 0) { 5065 spannable.removeSpan(suggestionSpans[i]); 5066 } 5067 } 5068 } 5069 5070 @Override 5071 public void onRestoreInstanceState(Parcelable state) { 5072 if (!(state instanceof SavedState)) { 5073 super.onRestoreInstanceState(state); 5074 return; 5075 } 5076 5077 SavedState ss = (SavedState) state; 5078 super.onRestoreInstanceState(ss.getSuperState()); 5079 5080 // XXX restore buffer type too, as well as lots of other stuff 5081 if (ss.text != null) { 5082 setText(ss.text); 5083 } 5084 5085 if (ss.selStart >= 0 && ss.selEnd >= 0) { 5086 if (mText instanceof Spannable) { 5087 int len = mText.length(); 5088 5089 if (ss.selStart > len || ss.selEnd > len) { 5090 String restored = ""; 5091 5092 if (ss.text != null) { 5093 restored = "(restored) "; 5094 } 5095 5096 Log.e(LOG_TAG, "Saved cursor position " + ss.selStart + "/" + ss.selEnd 5097 + " out of range for " + restored + "text " + mText); 5098 } else { 5099 Selection.setSelection((Spannable) mText, ss.selStart, ss.selEnd); 5100 5101 if (ss.frozenWithFocus) { 5102 createEditorIfNeeded(); 5103 mEditor.mFrozenWithFocus = true; 5104 } 5105 } 5106 } 5107 } 5108 5109 if (ss.error != null) { 5110 final CharSequence error = ss.error; 5111 // Display the error later, after the first layout pass 5112 post(new Runnable() { 5113 public void run() { 5114 if (mEditor == null || !mEditor.mErrorWasChanged) { 5115 setError(error); 5116 } 5117 } 5118 }); 5119 } 5120 5121 if (ss.editorState != null) { 5122 createEditorIfNeeded(); 5123 mEditor.restoreInstanceState(ss.editorState); 5124 } 5125 } 5126 5127 /** 5128 * Control whether this text view saves its entire text contents when 5129 * freezing to an icicle, in addition to dynamic state such as cursor 5130 * position. By default this is false, not saving the text. Set to true 5131 * if the text in the text view is not being saved somewhere else in 5132 * persistent storage (such as in a content provider) so that if the 5133 * view is later thawed the user will not lose their data. For 5134 * {@link android.widget.EditText} it is always enabled, regardless of 5135 * the value of the attribute. 5136 * 5137 * @param freezesText Controls whether a frozen icicle should include the 5138 * entire text data: true to include it, false to not. 5139 * 5140 * @attr ref android.R.styleable#TextView_freezesText 5141 */ 5142 @android.view.RemotableViewMethod 5143 public void setFreezesText(boolean freezesText) { 5144 mFreezesText = freezesText; 5145 } 5146 5147 /** 5148 * Return whether this text view is including its entire text contents 5149 * in frozen icicles. For {@link android.widget.EditText} it always returns true. 5150 * 5151 * @return Returns true if text is included, false if it isn't. 5152 * 5153 * @see #setFreezesText 5154 */ 5155 public boolean getFreezesText() { 5156 return mFreezesText; 5157 } 5158 5159 /////////////////////////////////////////////////////////////////////////// 5160 5161 /** 5162 * Sets the Factory used to create new {@link Editable Editables}. 5163 * 5164 * @param factory {@link android.text.Editable.Factory Editable.Factory} to be used 5165 * 5166 * @see android.text.Editable.Factory 5167 * @see android.widget.TextView.BufferType#EDITABLE 5168 */ 5169 public final void setEditableFactory(Editable.Factory factory) { 5170 mEditableFactory = factory; 5171 setText(mText); 5172 } 5173 5174 /** 5175 * Sets the Factory used to create new {@link Spannable Spannables}. 5176 * 5177 * @param factory {@link android.text.Spannable.Factory Spannable.Factory} to be used 5178 * 5179 * @see android.text.Spannable.Factory 5180 * @see android.widget.TextView.BufferType#SPANNABLE 5181 */ 5182 public final void setSpannableFactory(Spannable.Factory factory) { 5183 mSpannableFactory = factory; 5184 setText(mText); 5185 } 5186 5187 /** 5188 * Sets the text to be displayed. TextView <em>does not</em> accept 5189 * HTML-like formatting, which you can do with text strings in XML resource files. 5190 * To style your strings, attach android.text.style.* objects to a 5191 * {@link android.text.SpannableString}, or see the 5192 * <a href="{@docRoot}guide/topics/resources/available-resources.html#stringresources"> 5193 * Available Resource Types</a> documentation for an example of setting 5194 * formatted text in the XML resource file. 5195 * <p/> 5196 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5197 * intermediate {@link Spannable Spannables}. Likewise it will use 5198 * {@link android.text.Editable.Factory} to create final or intermediate 5199 * {@link Editable Editables}. 5200 * 5201 * @param text text to be displayed 5202 * 5203 * @attr ref android.R.styleable#TextView_text 5204 */ 5205 @android.view.RemotableViewMethod 5206 public final void setText(CharSequence text) { 5207 setText(text, mBufferType); 5208 } 5209 5210 /** 5211 * Sets the text to be displayed but retains the cursor position. Same as 5212 * {@link #setText(CharSequence)} except that the cursor position (if any) is retained in the 5213 * new text. 5214 * <p/> 5215 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5216 * intermediate {@link Spannable Spannables}. Likewise it will use 5217 * {@link android.text.Editable.Factory} to create final or intermediate 5218 * {@link Editable Editables}. 5219 * 5220 * @param text text to be displayed 5221 * 5222 * @see #setText(CharSequence) 5223 */ 5224 @android.view.RemotableViewMethod 5225 public final void setTextKeepState(CharSequence text) { 5226 setTextKeepState(text, mBufferType); 5227 } 5228 5229 /** 5230 * Sets the text to be displayed and the {@link android.widget.TextView.BufferType}. 5231 * <p/> 5232 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5233 * intermediate {@link Spannable Spannables}. Likewise it will use 5234 * {@link android.text.Editable.Factory} to create final or intermediate 5235 * {@link Editable Editables}. 5236 * 5237 * @param text text to be displayed 5238 * @param type a {@link android.widget.TextView.BufferType} which defines whether the text is 5239 * stored as a static text, styleable/spannable text, or editable text 5240 * 5241 * @see #setText(CharSequence) 5242 * @see android.widget.TextView.BufferType 5243 * @see #setSpannableFactory(Spannable.Factory) 5244 * @see #setEditableFactory(Editable.Factory) 5245 * 5246 * @attr ref android.R.styleable#TextView_text 5247 * @attr ref android.R.styleable#TextView_bufferType 5248 */ 5249 public void setText(CharSequence text, BufferType type) { 5250 setText(text, type, true, 0); 5251 5252 if (mCharWrapper != null) { 5253 mCharWrapper.mChars = null; 5254 } 5255 } 5256 5257 private void setText(CharSequence text, BufferType type, 5258 boolean notifyBefore, int oldlen) { 5259 mTextFromResource = false; 5260 if (text == null) { 5261 text = ""; 5262 } 5263 5264 // If suggestions are not enabled, remove the suggestion spans from the text 5265 if (!isSuggestionsEnabled()) { 5266 text = removeSuggestionSpans(text); 5267 } 5268 5269 if (!mUserSetTextScaleX) mTextPaint.setTextScaleX(1.0f); 5270 5271 if (text instanceof Spanned 5272 && ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) { 5273 if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) { 5274 setHorizontalFadingEdgeEnabled(true); 5275 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 5276 } else { 5277 setHorizontalFadingEdgeEnabled(false); 5278 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 5279 } 5280 setEllipsize(TextUtils.TruncateAt.MARQUEE); 5281 } 5282 5283 int n = mFilters.length; 5284 for (int i = 0; i < n; i++) { 5285 CharSequence out = mFilters[i].filter(text, 0, text.length(), EMPTY_SPANNED, 0, 0); 5286 if (out != null) { 5287 text = out; 5288 } 5289 } 5290 5291 if (notifyBefore) { 5292 if (mText != null) { 5293 oldlen = mText.length(); 5294 sendBeforeTextChanged(mText, 0, oldlen, text.length()); 5295 } else { 5296 sendBeforeTextChanged("", 0, 0, text.length()); 5297 } 5298 } 5299 5300 boolean needEditableForNotification = false; 5301 5302 if (mListeners != null && mListeners.size() != 0) { 5303 needEditableForNotification = true; 5304 } 5305 5306 if (type == BufferType.EDITABLE || getKeyListener() != null 5307 || needEditableForNotification) { 5308 createEditorIfNeeded(); 5309 mEditor.forgetUndoRedo(); 5310 Editable t = mEditableFactory.newEditable(text); 5311 text = t; 5312 setFilters(t, mFilters); 5313 InputMethodManager imm = InputMethodManager.peekInstance(); 5314 if (imm != null) imm.restartInput(this); 5315 } else if (type == BufferType.SPANNABLE || mMovement != null) { 5316 text = mSpannableFactory.newSpannable(text); 5317 } else if (!(text instanceof CharWrapper)) { 5318 text = TextUtils.stringOrSpannedString(text); 5319 } 5320 5321 if (mAutoLinkMask != 0) { 5322 Spannable s2; 5323 5324 if (type == BufferType.EDITABLE || text instanceof Spannable) { 5325 s2 = (Spannable) text; 5326 } else { 5327 s2 = mSpannableFactory.newSpannable(text); 5328 } 5329 5330 if (Linkify.addLinks(s2, mAutoLinkMask)) { 5331 text = s2; 5332 type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE; 5333 5334 /* 5335 * We must go ahead and set the text before changing the 5336 * movement method, because setMovementMethod() may call 5337 * setText() again to try to upgrade the buffer type. 5338 */ 5339 mText = text; 5340 5341 // Do not change the movement method for text that support text selection as it 5342 // would prevent an arbitrary cursor displacement. 5343 if (mLinksClickable && !textCanBeSelected()) { 5344 setMovementMethod(LinkMovementMethod.getInstance()); 5345 } 5346 } 5347 } 5348 5349 mBufferType = type; 5350 mText = text; 5351 5352 if (mTransformation == null) { 5353 mTransformed = text; 5354 } else { 5355 mTransformed = mTransformation.getTransformation(text, this); 5356 } 5357 5358 final int textLength = text.length(); 5359 5360 if (text instanceof Spannable && !mAllowTransformationLengthChange) { 5361 Spannable sp = (Spannable) text; 5362 5363 // Remove any ChangeWatchers that might have come from other TextViews. 5364 final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class); 5365 final int count = watchers.length; 5366 for (int i = 0; i < count; i++) { 5367 sp.removeSpan(watchers[i]); 5368 } 5369 5370 if (mChangeWatcher == null) mChangeWatcher = new ChangeWatcher(); 5371 5372 sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE 5373 | (CHANGE_WATCHER_PRIORITY << Spanned.SPAN_PRIORITY_SHIFT)); 5374 5375 if (mEditor != null) mEditor.addSpanWatchers(sp); 5376 5377 if (mTransformation != null) { 5378 sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 5379 } 5380 5381 if (mMovement != null) { 5382 mMovement.initialize(this, (Spannable) text); 5383 5384 /* 5385 * Initializing the movement method will have set the 5386 * selection, so reset mSelectionMoved to keep that from 5387 * interfering with the normal on-focus selection-setting. 5388 */ 5389 if (mEditor != null) mEditor.mSelectionMoved = false; 5390 } 5391 } 5392 5393 if (mLayout != null) { 5394 checkForRelayout(); 5395 } 5396 5397 sendOnTextChanged(text, 0, oldlen, textLength); 5398 onTextChanged(text, 0, oldlen, textLength); 5399 5400 notifyViewAccessibilityStateChangedIfNeeded(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT); 5401 5402 if (needEditableForNotification) { 5403 sendAfterTextChanged((Editable) text); 5404 } else { 5405 // Always notify AutoFillManager - it will return right away if autofill is disabled. 5406 notifyAutoFillManagerAfterTextChangedIfNeeded(); 5407 } 5408 5409 // SelectionModifierCursorController depends on textCanBeSelected, which depends on text 5410 if (mEditor != null) mEditor.prepareCursorControllers(); 5411 } 5412 5413 /** 5414 * Sets the TextView to display the specified slice of the specified 5415 * char array. You must promise that you will not change the contents 5416 * of the array except for right before another call to setText(), 5417 * since the TextView has no way to know that the text 5418 * has changed and that it needs to invalidate and re-layout. 5419 * 5420 * @param text char array to be displayed 5421 * @param start start index in the char array 5422 * @param len length of char count after {@code start} 5423 */ 5424 public final void setText(char[] text, int start, int len) { 5425 int oldlen = 0; 5426 5427 if (start < 0 || len < 0 || start + len > text.length) { 5428 throw new IndexOutOfBoundsException(start + ", " + len); 5429 } 5430 5431 /* 5432 * We must do the before-notification here ourselves because if 5433 * the old text is a CharWrapper we destroy it before calling 5434 * into the normal path. 5435 */ 5436 if (mText != null) { 5437 oldlen = mText.length(); 5438 sendBeforeTextChanged(mText, 0, oldlen, len); 5439 } else { 5440 sendBeforeTextChanged("", 0, 0, len); 5441 } 5442 5443 if (mCharWrapper == null) { 5444 mCharWrapper = new CharWrapper(text, start, len); 5445 } else { 5446 mCharWrapper.set(text, start, len); 5447 } 5448 5449 setText(mCharWrapper, mBufferType, false, oldlen); 5450 } 5451 5452 /** 5453 * Sets the text to be displayed and the {@link android.widget.TextView.BufferType} but retains 5454 * the cursor position. Same as 5455 * {@link #setText(CharSequence, android.widget.TextView.BufferType)} except that the cursor 5456 * position (if any) is retained in the new text. 5457 * <p/> 5458 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5459 * intermediate {@link Spannable Spannables}. Likewise it will use 5460 * {@link android.text.Editable.Factory} to create final or intermediate 5461 * {@link Editable Editables}. 5462 * 5463 * @param text text to be displayed 5464 * @param type a {@link android.widget.TextView.BufferType} which defines whether the text is 5465 * stored as a static text, styleable/spannable text, or editable text 5466 * 5467 * @see #setText(CharSequence, android.widget.TextView.BufferType) 5468 */ 5469 public final void setTextKeepState(CharSequence text, BufferType type) { 5470 int start = getSelectionStart(); 5471 int end = getSelectionEnd(); 5472 int len = text.length(); 5473 5474 setText(text, type); 5475 5476 if (start >= 0 || end >= 0) { 5477 if (mText instanceof Spannable) { 5478 Selection.setSelection((Spannable) mText, 5479 Math.max(0, Math.min(start, len)), 5480 Math.max(0, Math.min(end, len))); 5481 } 5482 } 5483 } 5484 5485 /** 5486 * Sets the text to be displayed using a string resource identifier. 5487 * 5488 * @param resid the resource identifier of the string resource to be displayed 5489 * 5490 * @see #setText(CharSequence) 5491 * 5492 * @attr ref android.R.styleable#TextView_text 5493 */ 5494 @android.view.RemotableViewMethod 5495 public final void setText(@StringRes int resid) { 5496 setText(getContext().getResources().getText(resid)); 5497 mTextFromResource = true; 5498 } 5499 5500 /** 5501 * Sets the text to be displayed using a string resource identifier and the 5502 * {@link android.widget.TextView.BufferType}. 5503 * <p/> 5504 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5505 * intermediate {@link Spannable Spannables}. Likewise it will use 5506 * {@link android.text.Editable.Factory} to create final or intermediate 5507 * {@link Editable Editables}. 5508 * 5509 * @param resid the resource identifier of the string resource to be displayed 5510 * @param type a {@link android.widget.TextView.BufferType} which defines whether the text is 5511 * stored as a static text, styleable/spannable text, or editable text 5512 * 5513 * @see #setText(int) 5514 * @see #setText(CharSequence) 5515 * @see android.widget.TextView.BufferType 5516 * @see #setSpannableFactory(Spannable.Factory) 5517 * @see #setEditableFactory(Editable.Factory) 5518 * 5519 * @attr ref android.R.styleable#TextView_text 5520 * @attr ref android.R.styleable#TextView_bufferType 5521 */ 5522 public final void setText(@StringRes int resid, BufferType type) { 5523 setText(getContext().getResources().getText(resid), type); 5524 mTextFromResource = true; 5525 } 5526 5527 /** 5528 * Sets the text to be displayed when the text of the TextView is empty. 5529 * Null means to use the normal empty text. The hint does not currently 5530 * participate in determining the size of the view. 5531 * 5532 * @attr ref android.R.styleable#TextView_hint 5533 */ 5534 @android.view.RemotableViewMethod 5535 public final void setHint(CharSequence hint) { 5536 mHint = TextUtils.stringOrSpannedString(hint); 5537 5538 if (mLayout != null) { 5539 checkForRelayout(); 5540 } 5541 5542 if (mText.length() == 0) { 5543 invalidate(); 5544 } 5545 5546 // Invalidate display list if hint is currently used 5547 if (mEditor != null && mText.length() == 0 && mHint != null) { 5548 mEditor.invalidateTextDisplayList(); 5549 } 5550 } 5551 5552 /** 5553 * Sets the text to be displayed when the text of the TextView is empty, 5554 * from a resource. 5555 * 5556 * @attr ref android.R.styleable#TextView_hint 5557 */ 5558 @android.view.RemotableViewMethod 5559 public final void setHint(@StringRes int resid) { 5560 setHint(getContext().getResources().getText(resid)); 5561 } 5562 5563 /** 5564 * Returns the hint that is displayed when the text of the TextView 5565 * is empty. 5566 * 5567 * @attr ref android.R.styleable#TextView_hint 5568 */ 5569 @ViewDebug.CapturedViewProperty 5570 public CharSequence getHint() { 5571 return mHint; 5572 } 5573 5574 boolean isSingleLine() { 5575 return mSingleLine; 5576 } 5577 5578 private static boolean isMultilineInputType(int type) { 5579 return (type & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) 5580 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 5581 } 5582 5583 /** 5584 * Removes the suggestion spans. 5585 */ 5586 CharSequence removeSuggestionSpans(CharSequence text) { 5587 if (text instanceof Spanned) { 5588 Spannable spannable; 5589 if (text instanceof Spannable) { 5590 spannable = (Spannable) text; 5591 } else { 5592 spannable = mSpannableFactory.newSpannable(text); 5593 text = spannable; 5594 } 5595 5596 SuggestionSpan[] spans = spannable.getSpans(0, text.length(), SuggestionSpan.class); 5597 for (int i = 0; i < spans.length; i++) { 5598 spannable.removeSpan(spans[i]); 5599 } 5600 } 5601 return text; 5602 } 5603 5604 /** 5605 * Set the type of the content with a constant as defined for {@link EditorInfo#inputType}. This 5606 * will take care of changing the key listener, by calling {@link #setKeyListener(KeyListener)}, 5607 * to match the given content type. If the given content type is {@link EditorInfo#TYPE_NULL} 5608 * then a soft keyboard will not be displayed for this text view. 5609 * 5610 * Note that the maximum number of displayed lines (see {@link #setMaxLines(int)}) will be 5611 * modified if you change the {@link EditorInfo#TYPE_TEXT_FLAG_MULTI_LINE} flag of the input 5612 * type. 5613 * 5614 * @see #getInputType() 5615 * @see #setRawInputType(int) 5616 * @see android.text.InputType 5617 * @attr ref android.R.styleable#TextView_inputType 5618 */ 5619 public void setInputType(int type) { 5620 final boolean wasPassword = isPasswordInputType(getInputType()); 5621 final boolean wasVisiblePassword = isVisiblePasswordInputType(getInputType()); 5622 setInputType(type, false); 5623 final boolean isPassword = isPasswordInputType(type); 5624 final boolean isVisiblePassword = isVisiblePasswordInputType(type); 5625 boolean forceUpdate = false; 5626 if (isPassword) { 5627 setTransformationMethod(PasswordTransformationMethod.getInstance()); 5628 setTypefaceFromAttrs(null/* fontTypeface */, null /* fontFamily */, MONOSPACE, 0); 5629 } else if (isVisiblePassword) { 5630 if (mTransformation == PasswordTransformationMethod.getInstance()) { 5631 forceUpdate = true; 5632 } 5633 setTypefaceFromAttrs(null/* fontTypeface */, null /* fontFamily */, MONOSPACE, 0); 5634 } else if (wasPassword || wasVisiblePassword) { 5635 // not in password mode, clean up typeface and transformation 5636 setTypefaceFromAttrs(null/* fontTypeface */, null /* fontFamily */, -1, -1); 5637 if (mTransformation == PasswordTransformationMethod.getInstance()) { 5638 forceUpdate = true; 5639 } 5640 } 5641 5642 boolean singleLine = !isMultilineInputType(type); 5643 5644 // We need to update the single line mode if it has changed or we 5645 // were previously in password mode. 5646 if (mSingleLine != singleLine || forceUpdate) { 5647 // Change single line mode, but only change the transformation if 5648 // we are not in password mode. 5649 applySingleLine(singleLine, !isPassword, true); 5650 } 5651 5652 if (!isSuggestionsEnabled()) { 5653 mText = removeSuggestionSpans(mText); 5654 } 5655 5656 InputMethodManager imm = InputMethodManager.peekInstance(); 5657 if (imm != null) imm.restartInput(this); 5658 } 5659 5660 /** 5661 * It would be better to rely on the input type for everything. A password inputType should have 5662 * a password transformation. We should hence use isPasswordInputType instead of this method. 5663 * 5664 * We should: 5665 * - Call setInputType in setKeyListener instead of changing the input type directly (which 5666 * would install the correct transformation). 5667 * - Refuse the installation of a non-password transformation in setTransformation if the input 5668 * type is password. 5669 * 5670 * However, this is like this for legacy reasons and we cannot break existing apps. This method 5671 * is useful since it matches what the user can see (obfuscated text or not). 5672 * 5673 * @return true if the current transformation method is of the password type. 5674 */ 5675 boolean hasPasswordTransformationMethod() { 5676 return mTransformation instanceof PasswordTransformationMethod; 5677 } 5678 5679 static boolean isPasswordInputType(int inputType) { 5680 final int variation = 5681 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 5682 return variation 5683 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD) 5684 || variation 5685 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD) 5686 || variation 5687 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 5688 } 5689 5690 private static boolean isVisiblePasswordInputType(int inputType) { 5691 final int variation = 5692 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 5693 return variation 5694 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 5695 } 5696 5697 /** 5698 * Directly change the content type integer of the text view, without 5699 * modifying any other state. 5700 * @see #setInputType(int) 5701 * @see android.text.InputType 5702 * @attr ref android.R.styleable#TextView_inputType 5703 */ 5704 public void setRawInputType(int type) { 5705 if (type == InputType.TYPE_NULL && mEditor == null) return; //TYPE_NULL is the default value 5706 createEditorIfNeeded(); 5707 mEditor.mInputType = type; 5708 } 5709 5710 /** 5711 * @return {@code null} if the key listener should use pre-O (locale-independent). Otherwise 5712 * a {@code Locale} object that can be used to customize key various listeners. 5713 * @see DateKeyListener#getInstance(Locale) 5714 * @see DateTimeKeyListener#getInstance(Locale) 5715 * @see DigitsKeyListener#getInstance(Locale) 5716 * @see TimeKeyListener#getInstance(Locale) 5717 */ 5718 @Nullable 5719 private Locale getCustomLocaleForKeyListenerOrNull() { 5720 if (!mUseInternationalizedInput) { 5721 // If the application does not target O, stick to the previous behavior. 5722 return null; 5723 } 5724 final LocaleList locales = getImeHintLocales(); 5725 if (locales == null) { 5726 // If the application does not explicitly specify IME hint locale, also stick to the 5727 // previous behavior. 5728 return null; 5729 } 5730 return locales.get(0); 5731 } 5732 5733 private void setInputType(int type, boolean direct) { 5734 final int cls = type & EditorInfo.TYPE_MASK_CLASS; 5735 KeyListener input; 5736 if (cls == EditorInfo.TYPE_CLASS_TEXT) { 5737 boolean autotext = (type & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) != 0; 5738 TextKeyListener.Capitalize cap; 5739 if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS) != 0) { 5740 cap = TextKeyListener.Capitalize.CHARACTERS; 5741 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS) != 0) { 5742 cap = TextKeyListener.Capitalize.WORDS; 5743 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES) != 0) { 5744 cap = TextKeyListener.Capitalize.SENTENCES; 5745 } else { 5746 cap = TextKeyListener.Capitalize.NONE; 5747 } 5748 input = TextKeyListener.getInstance(autotext, cap); 5749 } else if (cls == EditorInfo.TYPE_CLASS_NUMBER) { 5750 final Locale locale = getCustomLocaleForKeyListenerOrNull(); 5751 input = DigitsKeyListener.getInstance( 5752 locale, 5753 (type & EditorInfo.TYPE_NUMBER_FLAG_SIGNED) != 0, 5754 (type & EditorInfo.TYPE_NUMBER_FLAG_DECIMAL) != 0); 5755 if (locale != null) { 5756 // Override type, if necessary for i18n. 5757 int newType = input.getInputType(); 5758 final int newClass = newType & EditorInfo.TYPE_MASK_CLASS; 5759 if (newClass != EditorInfo.TYPE_CLASS_NUMBER) { 5760 // The class is different from the original class. So we need to override 5761 // 'type'. But we want to keep the password flag if it's there. 5762 if ((type & EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD) != 0) { 5763 newType |= EditorInfo.TYPE_TEXT_VARIATION_PASSWORD; 5764 } 5765 type = newType; 5766 } 5767 } 5768 } else if (cls == EditorInfo.TYPE_CLASS_DATETIME) { 5769 final Locale locale = getCustomLocaleForKeyListenerOrNull(); 5770 switch (type & EditorInfo.TYPE_MASK_VARIATION) { 5771 case EditorInfo.TYPE_DATETIME_VARIATION_DATE: 5772 input = DateKeyListener.getInstance(locale); 5773 break; 5774 case EditorInfo.TYPE_DATETIME_VARIATION_TIME: 5775 input = TimeKeyListener.getInstance(locale); 5776 break; 5777 default: 5778 input = DateTimeKeyListener.getInstance(locale); 5779 break; 5780 } 5781 if (mUseInternationalizedInput) { 5782 type = input.getInputType(); // Override type, if necessary for i18n. 5783 } 5784 } else if (cls == EditorInfo.TYPE_CLASS_PHONE) { 5785 input = DialerKeyListener.getInstance(); 5786 } else { 5787 input = TextKeyListener.getInstance(); 5788 } 5789 setRawInputType(type); 5790 mListenerChanged = false; 5791 if (direct) { 5792 createEditorIfNeeded(); 5793 mEditor.mKeyListener = input; 5794 } else { 5795 setKeyListenerOnly(input); 5796 } 5797 } 5798 5799 /** 5800 * Get the type of the editable content. 5801 * 5802 * @see #setInputType(int) 5803 * @see android.text.InputType 5804 */ 5805 public int getInputType() { 5806 return mEditor == null ? EditorInfo.TYPE_NULL : mEditor.mInputType; 5807 } 5808 5809 /** 5810 * Change the editor type integer associated with the text view, which 5811 * is reported to an Input Method Editor (IME) with {@link EditorInfo#imeOptions} 5812 * when it has focus. 5813 * @see #getImeOptions 5814 * @see android.view.inputmethod.EditorInfo 5815 * @attr ref android.R.styleable#TextView_imeOptions 5816 */ 5817 public void setImeOptions(int imeOptions) { 5818 createEditorIfNeeded(); 5819 mEditor.createInputContentTypeIfNeeded(); 5820 mEditor.mInputContentType.imeOptions = imeOptions; 5821 } 5822 5823 /** 5824 * Get the type of the Input Method Editor (IME). 5825 * @return the type of the IME 5826 * @see #setImeOptions(int) 5827 * @see android.view.inputmethod.EditorInfo 5828 */ 5829 public int getImeOptions() { 5830 return mEditor != null && mEditor.mInputContentType != null 5831 ? mEditor.mInputContentType.imeOptions : EditorInfo.IME_NULL; 5832 } 5833 5834 /** 5835 * Change the custom IME action associated with the text view, which 5836 * will be reported to an IME with {@link EditorInfo#actionLabel} 5837 * and {@link EditorInfo#actionId} when it has focus. 5838 * @see #getImeActionLabel 5839 * @see #getImeActionId 5840 * @see android.view.inputmethod.EditorInfo 5841 * @attr ref android.R.styleable#TextView_imeActionLabel 5842 * @attr ref android.R.styleable#TextView_imeActionId 5843 */ 5844 public void setImeActionLabel(CharSequence label, int actionId) { 5845 createEditorIfNeeded(); 5846 mEditor.createInputContentTypeIfNeeded(); 5847 mEditor.mInputContentType.imeActionLabel = label; 5848 mEditor.mInputContentType.imeActionId = actionId; 5849 } 5850 5851 /** 5852 * Get the IME action label previous set with {@link #setImeActionLabel}. 5853 * 5854 * @see #setImeActionLabel 5855 * @see android.view.inputmethod.EditorInfo 5856 */ 5857 public CharSequence getImeActionLabel() { 5858 return mEditor != null && mEditor.mInputContentType != null 5859 ? mEditor.mInputContentType.imeActionLabel : null; 5860 } 5861 5862 /** 5863 * Get the IME action ID previous set with {@link #setImeActionLabel}. 5864 * 5865 * @see #setImeActionLabel 5866 * @see android.view.inputmethod.EditorInfo 5867 */ 5868 public int getImeActionId() { 5869 return mEditor != null && mEditor.mInputContentType != null 5870 ? mEditor.mInputContentType.imeActionId : 0; 5871 } 5872 5873 /** 5874 * Set a special listener to be called when an action is performed 5875 * on the text view. This will be called when the enter key is pressed, 5876 * or when an action supplied to the IME is selected by the user. Setting 5877 * this means that the normal hard key event will not insert a newline 5878 * into the text view, even if it is multi-line; holding down the ALT 5879 * modifier will, however, allow the user to insert a newline character. 5880 */ 5881 public void setOnEditorActionListener(OnEditorActionListener l) { 5882 createEditorIfNeeded(); 5883 mEditor.createInputContentTypeIfNeeded(); 5884 mEditor.mInputContentType.onEditorActionListener = l; 5885 } 5886 5887 /** 5888 * Called when an attached input method calls 5889 * {@link InputConnection#performEditorAction(int) 5890 * InputConnection.performEditorAction()} 5891 * for this text view. The default implementation will call your action 5892 * listener supplied to {@link #setOnEditorActionListener}, or perform 5893 * a standard operation for {@link EditorInfo#IME_ACTION_NEXT 5894 * EditorInfo.IME_ACTION_NEXT}, {@link EditorInfo#IME_ACTION_PREVIOUS 5895 * EditorInfo.IME_ACTION_PREVIOUS}, or {@link EditorInfo#IME_ACTION_DONE 5896 * EditorInfo.IME_ACTION_DONE}. 5897 * 5898 * <p>For backwards compatibility, if no IME options have been set and the 5899 * text view would not normally advance focus on enter, then 5900 * the NEXT and DONE actions received here will be turned into an enter 5901 * key down/up pair to go through the normal key handling. 5902 * 5903 * @param actionCode The code of the action being performed. 5904 * 5905 * @see #setOnEditorActionListener 5906 */ 5907 public void onEditorAction(int actionCode) { 5908 final Editor.InputContentType ict = mEditor == null ? null : mEditor.mInputContentType; 5909 if (ict != null) { 5910 if (ict.onEditorActionListener != null) { 5911 if (ict.onEditorActionListener.onEditorAction(this, 5912 actionCode, null)) { 5913 return; 5914 } 5915 } 5916 5917 // This is the handling for some default action. 5918 // Note that for backwards compatibility we don't do this 5919 // default handling if explicit ime options have not been given, 5920 // instead turning this into the normal enter key codes that an 5921 // app may be expecting. 5922 if (actionCode == EditorInfo.IME_ACTION_NEXT) { 5923 View v = focusSearch(FOCUS_FORWARD); 5924 if (v != null) { 5925 if (!v.requestFocus(FOCUS_FORWARD)) { 5926 throw new IllegalStateException("focus search returned a view " 5927 + "that wasn't able to take focus!"); 5928 } 5929 } 5930 return; 5931 5932 } else if (actionCode == EditorInfo.IME_ACTION_PREVIOUS) { 5933 View v = focusSearch(FOCUS_BACKWARD); 5934 if (v != null) { 5935 if (!v.requestFocus(FOCUS_BACKWARD)) { 5936 throw new IllegalStateException("focus search returned a view " 5937 + "that wasn't able to take focus!"); 5938 } 5939 } 5940 return; 5941 5942 } else if (actionCode == EditorInfo.IME_ACTION_DONE) { 5943 InputMethodManager imm = InputMethodManager.peekInstance(); 5944 if (imm != null && imm.isActive(this)) { 5945 imm.hideSoftInputFromWindow(getWindowToken(), 0); 5946 } 5947 return; 5948 } 5949 } 5950 5951 ViewRootImpl viewRootImpl = getViewRootImpl(); 5952 if (viewRootImpl != null) { 5953 long eventTime = SystemClock.uptimeMillis(); 5954 viewRootImpl.dispatchKeyFromIme( 5955 new KeyEvent(eventTime, eventTime, 5956 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER, 0, 0, 5957 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 5958 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 5959 | KeyEvent.FLAG_EDITOR_ACTION)); 5960 viewRootImpl.dispatchKeyFromIme( 5961 new KeyEvent(SystemClock.uptimeMillis(), eventTime, 5962 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER, 0, 0, 5963 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 5964 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 5965 | KeyEvent.FLAG_EDITOR_ACTION)); 5966 } 5967 } 5968 5969 /** 5970 * Set the private content type of the text, which is the 5971 * {@link EditorInfo#privateImeOptions EditorInfo.privateImeOptions} 5972 * field that will be filled in when creating an input connection. 5973 * 5974 * @see #getPrivateImeOptions() 5975 * @see EditorInfo#privateImeOptions 5976 * @attr ref android.R.styleable#TextView_privateImeOptions 5977 */ 5978 public void setPrivateImeOptions(String type) { 5979 createEditorIfNeeded(); 5980 mEditor.createInputContentTypeIfNeeded(); 5981 mEditor.mInputContentType.privateImeOptions = type; 5982 } 5983 5984 /** 5985 * Get the private type of the content. 5986 * 5987 * @see #setPrivateImeOptions(String) 5988 * @see EditorInfo#privateImeOptions 5989 */ 5990 public String getPrivateImeOptions() { 5991 return mEditor != null && mEditor.mInputContentType != null 5992 ? mEditor.mInputContentType.privateImeOptions : null; 5993 } 5994 5995 /** 5996 * Set the extra input data of the text, which is the 5997 * {@link EditorInfo#extras TextBoxAttribute.extras} 5998 * Bundle that will be filled in when creating an input connection. The 5999 * given integer is the resource identifier of an XML resource holding an 6000 * {@link android.R.styleable#InputExtras <input-extras>} XML tree. 6001 * 6002 * @see #getInputExtras(boolean) 6003 * @see EditorInfo#extras 6004 * @attr ref android.R.styleable#TextView_editorExtras 6005 */ 6006 public void setInputExtras(@XmlRes int xmlResId) throws XmlPullParserException, IOException { 6007 createEditorIfNeeded(); 6008 XmlResourceParser parser = getResources().getXml(xmlResId); 6009 mEditor.createInputContentTypeIfNeeded(); 6010 mEditor.mInputContentType.extras = new Bundle(); 6011 getResources().parseBundleExtras(parser, mEditor.mInputContentType.extras); 6012 } 6013 6014 /** 6015 * Retrieve the input extras currently associated with the text view, which 6016 * can be viewed as well as modified. 6017 * 6018 * @param create If true, the extras will be created if they don't already 6019 * exist. Otherwise, null will be returned if none have been created. 6020 * @see #setInputExtras(int) 6021 * @see EditorInfo#extras 6022 * @attr ref android.R.styleable#TextView_editorExtras 6023 */ 6024 public Bundle getInputExtras(boolean create) { 6025 if (mEditor == null && !create) return null; 6026 createEditorIfNeeded(); 6027 if (mEditor.mInputContentType == null) { 6028 if (!create) return null; 6029 mEditor.createInputContentTypeIfNeeded(); 6030 } 6031 if (mEditor.mInputContentType.extras == null) { 6032 if (!create) return null; 6033 mEditor.mInputContentType.extras = new Bundle(); 6034 } 6035 return mEditor.mInputContentType.extras; 6036 } 6037 6038 /** 6039 * Change "hint" locales associated with the text view, which will be reported to an IME with 6040 * {@link EditorInfo#hintLocales} when it has focus. 6041 * 6042 * Starting with Android O, this also causes internationalized listeners to be created (or 6043 * change locale) based on the first locale in the input locale list. 6044 * 6045 * <p><strong>Note:</strong> If you want new "hint" to take effect immediately you need to 6046 * call {@link InputMethodManager#restartInput(View)}.</p> 6047 * @param hintLocales List of the languages that the user is supposed to switch to no matter 6048 * what input method subtype is currently used. Set {@code null} to clear the current "hint". 6049 * @see #getImeHintLocales() 6050 * @see android.view.inputmethod.EditorInfo#hintLocales 6051 */ 6052 public void setImeHintLocales(@Nullable LocaleList hintLocales) { 6053 createEditorIfNeeded(); 6054 mEditor.createInputContentTypeIfNeeded(); 6055 mEditor.mInputContentType.imeHintLocales = hintLocales; 6056 if (mUseInternationalizedInput) { 6057 changeListenerLocaleTo(hintLocales == null ? null : hintLocales.get(0)); 6058 } 6059 } 6060 6061 /** 6062 * @return The current languages list "hint". {@code null} when no "hint" is available. 6063 * @see #setImeHintLocales(LocaleList) 6064 * @see android.view.inputmethod.EditorInfo#hintLocales 6065 */ 6066 @Nullable 6067 public LocaleList getImeHintLocales() { 6068 if (mEditor == null) { 6069 return null; 6070 } 6071 if (mEditor.mInputContentType == null) { 6072 return null; 6073 } 6074 return mEditor.mInputContentType.imeHintLocales; 6075 } 6076 6077 /** 6078 * Returns the error message that was set to be displayed with 6079 * {@link #setError}, or <code>null</code> if no error was set 6080 * or if it the error was cleared by the widget after user input. 6081 */ 6082 public CharSequence getError() { 6083 return mEditor == null ? null : mEditor.mError; 6084 } 6085 6086 /** 6087 * Sets the right-hand compound drawable of the TextView to the "error" 6088 * icon and sets an error message that will be displayed in a popup when 6089 * the TextView has focus. The icon and error message will be reset to 6090 * null when any key events cause changes to the TextView's text. If the 6091 * <code>error</code> is <code>null</code>, the error message and icon 6092 * will be cleared. 6093 */ 6094 @android.view.RemotableViewMethod 6095 public void setError(CharSequence error) { 6096 if (error == null) { 6097 setError(null, null); 6098 } else { 6099 Drawable dr = getContext().getDrawable( 6100 com.android.internal.R.drawable.indicator_input_error); 6101 6102 dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight()); 6103 setError(error, dr); 6104 } 6105 } 6106 6107 /** 6108 * Sets the right-hand compound drawable of the TextView to the specified 6109 * icon and sets an error message that will be displayed in a popup when 6110 * the TextView has focus. The icon and error message will be reset to 6111 * null when any key events cause changes to the TextView's text. The 6112 * drawable must already have had {@link Drawable#setBounds} set on it. 6113 * If the <code>error</code> is <code>null</code>, the error message will 6114 * be cleared (and you should provide a <code>null</code> icon as well). 6115 */ 6116 public void setError(CharSequence error, Drawable icon) { 6117 createEditorIfNeeded(); 6118 mEditor.setError(error, icon); 6119 notifyViewAccessibilityStateChangedIfNeeded( 6120 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 6121 } 6122 6123 @Override 6124 protected boolean setFrame(int l, int t, int r, int b) { 6125 boolean result = super.setFrame(l, t, r, b); 6126 6127 if (mEditor != null) mEditor.setFrame(); 6128 6129 restartMarqueeIfNeeded(); 6130 6131 return result; 6132 } 6133 6134 private void restartMarqueeIfNeeded() { 6135 if (mRestartMarquee && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6136 mRestartMarquee = false; 6137 startMarquee(); 6138 } 6139 } 6140 6141 /** 6142 * Sets the list of input filters that will be used if the buffer is 6143 * Editable. Has no effect otherwise. 6144 * 6145 * @attr ref android.R.styleable#TextView_maxLength 6146 */ 6147 public void setFilters(InputFilter[] filters) { 6148 if (filters == null) { 6149 throw new IllegalArgumentException(); 6150 } 6151 6152 mFilters = filters; 6153 6154 if (mText instanceof Editable) { 6155 setFilters((Editable) mText, filters); 6156 } 6157 } 6158 6159 /** 6160 * Sets the list of input filters on the specified Editable, 6161 * and includes mInput in the list if it is an InputFilter. 6162 */ 6163 private void setFilters(Editable e, InputFilter[] filters) { 6164 if (mEditor != null) { 6165 final boolean undoFilter = mEditor.mUndoInputFilter != null; 6166 final boolean keyFilter = mEditor.mKeyListener instanceof InputFilter; 6167 int num = 0; 6168 if (undoFilter) num++; 6169 if (keyFilter) num++; 6170 if (num > 0) { 6171 InputFilter[] nf = new InputFilter[filters.length + num]; 6172 6173 System.arraycopy(filters, 0, nf, 0, filters.length); 6174 num = 0; 6175 if (undoFilter) { 6176 nf[filters.length] = mEditor.mUndoInputFilter; 6177 num++; 6178 } 6179 if (keyFilter) { 6180 nf[filters.length + num] = (InputFilter) mEditor.mKeyListener; 6181 } 6182 6183 e.setFilters(nf); 6184 return; 6185 } 6186 } 6187 e.setFilters(filters); 6188 } 6189 6190 /** 6191 * Returns the current list of input filters. 6192 * 6193 * @attr ref android.R.styleable#TextView_maxLength 6194 */ 6195 public InputFilter[] getFilters() { 6196 return mFilters; 6197 } 6198 6199 ///////////////////////////////////////////////////////////////////////// 6200 6201 private int getBoxHeight(Layout l) { 6202 Insets opticalInsets = isLayoutModeOptical(mParent) ? getOpticalInsets() : Insets.NONE; 6203 int padding = (l == mHintLayout) 6204 ? getCompoundPaddingTop() + getCompoundPaddingBottom() 6205 : getExtendedPaddingTop() + getExtendedPaddingBottom(); 6206 return getMeasuredHeight() - padding + opticalInsets.top + opticalInsets.bottom; 6207 } 6208 6209 int getVerticalOffset(boolean forceNormal) { 6210 int voffset = 0; 6211 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 6212 6213 Layout l = mLayout; 6214 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 6215 l = mHintLayout; 6216 } 6217 6218 if (gravity != Gravity.TOP) { 6219 int boxht = getBoxHeight(l); 6220 int textht = l.getHeight(); 6221 6222 if (textht < boxht) { 6223 if (gravity == Gravity.BOTTOM) { 6224 voffset = boxht - textht; 6225 } else { // (gravity == Gravity.CENTER_VERTICAL) 6226 voffset = (boxht - textht) >> 1; 6227 } 6228 } 6229 } 6230 return voffset; 6231 } 6232 6233 private int getBottomVerticalOffset(boolean forceNormal) { 6234 int voffset = 0; 6235 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 6236 6237 Layout l = mLayout; 6238 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 6239 l = mHintLayout; 6240 } 6241 6242 if (gravity != Gravity.BOTTOM) { 6243 int boxht = getBoxHeight(l); 6244 int textht = l.getHeight(); 6245 6246 if (textht < boxht) { 6247 if (gravity == Gravity.TOP) { 6248 voffset = boxht - textht; 6249 } else { // (gravity == Gravity.CENTER_VERTICAL) 6250 voffset = (boxht - textht) >> 1; 6251 } 6252 } 6253 } 6254 return voffset; 6255 } 6256 6257 void invalidateCursorPath() { 6258 if (mHighlightPathBogus) { 6259 invalidateCursor(); 6260 } else { 6261 final int horizontalPadding = getCompoundPaddingLeft(); 6262 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 6263 6264 if (mEditor.mCursorCount == 0) { 6265 synchronized (TEMP_RECTF) { 6266 /* 6267 * The reason for this concern about the thickness of the 6268 * cursor and doing the floor/ceil on the coordinates is that 6269 * some EditTexts (notably textfields in the Browser) have 6270 * anti-aliased text where not all the characters are 6271 * necessarily at integer-multiple locations. This should 6272 * make sure the entire cursor gets invalidated instead of 6273 * sometimes missing half a pixel. 6274 */ 6275 float thick = (float) Math.ceil(mTextPaint.getStrokeWidth()); 6276 if (thick < 1.0f) { 6277 thick = 1.0f; 6278 } 6279 6280 thick /= 2.0f; 6281 6282 // mHighlightPath is guaranteed to be non null at that point. 6283 mHighlightPath.computeBounds(TEMP_RECTF, false); 6284 6285 invalidate((int) Math.floor(horizontalPadding + TEMP_RECTF.left - thick), 6286 (int) Math.floor(verticalPadding + TEMP_RECTF.top - thick), 6287 (int) Math.ceil(horizontalPadding + TEMP_RECTF.right + thick), 6288 (int) Math.ceil(verticalPadding + TEMP_RECTF.bottom + thick)); 6289 } 6290 } else { 6291 for (int i = 0; i < mEditor.mCursorCount; i++) { 6292 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 6293 invalidate(bounds.left + horizontalPadding, bounds.top + verticalPadding, 6294 bounds.right + horizontalPadding, bounds.bottom + verticalPadding); 6295 } 6296 } 6297 } 6298 } 6299 6300 void invalidateCursor() { 6301 int where = getSelectionEnd(); 6302 6303 invalidateCursor(where, where, where); 6304 } 6305 6306 private void invalidateCursor(int a, int b, int c) { 6307 if (a >= 0 || b >= 0 || c >= 0) { 6308 int start = Math.min(Math.min(a, b), c); 6309 int end = Math.max(Math.max(a, b), c); 6310 invalidateRegion(start, end, true /* Also invalidates blinking cursor */); 6311 } 6312 } 6313 6314 /** 6315 * Invalidates the region of text enclosed between the start and end text offsets. 6316 */ 6317 void invalidateRegion(int start, int end, boolean invalidateCursor) { 6318 if (mLayout == null) { 6319 invalidate(); 6320 } else { 6321 int lineStart = mLayout.getLineForOffset(start); 6322 int top = mLayout.getLineTop(lineStart); 6323 6324 // This is ridiculous, but the descent from the line above 6325 // can hang down into the line we really want to redraw, 6326 // so we have to invalidate part of the line above to make 6327 // sure everything that needs to be redrawn really is. 6328 // (But not the whole line above, because that would cause 6329 // the same problem with the descenders on the line above it!) 6330 if (lineStart > 0) { 6331 top -= mLayout.getLineDescent(lineStart - 1); 6332 } 6333 6334 int lineEnd; 6335 6336 if (start == end) { 6337 lineEnd = lineStart; 6338 } else { 6339 lineEnd = mLayout.getLineForOffset(end); 6340 } 6341 6342 int bottom = mLayout.getLineBottom(lineEnd); 6343 6344 // mEditor can be null in case selection is set programmatically. 6345 if (invalidateCursor && mEditor != null) { 6346 for (int i = 0; i < mEditor.mCursorCount; i++) { 6347 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 6348 top = Math.min(top, bounds.top); 6349 bottom = Math.max(bottom, bounds.bottom); 6350 } 6351 } 6352 6353 final int compoundPaddingLeft = getCompoundPaddingLeft(); 6354 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 6355 6356 int left, right; 6357 if (lineStart == lineEnd && !invalidateCursor) { 6358 left = (int) mLayout.getPrimaryHorizontal(start); 6359 right = (int) (mLayout.getPrimaryHorizontal(end) + 1.0); 6360 left += compoundPaddingLeft; 6361 right += compoundPaddingLeft; 6362 } else { 6363 // Rectangle bounding box when the region spans several lines 6364 left = compoundPaddingLeft; 6365 right = getWidth() - getCompoundPaddingRight(); 6366 } 6367 6368 invalidate(mScrollX + left, verticalPadding + top, 6369 mScrollX + right, verticalPadding + bottom); 6370 } 6371 } 6372 6373 private void registerForPreDraw() { 6374 if (!mPreDrawRegistered) { 6375 getViewTreeObserver().addOnPreDrawListener(this); 6376 mPreDrawRegistered = true; 6377 } 6378 } 6379 6380 private void unregisterForPreDraw() { 6381 getViewTreeObserver().removeOnPreDrawListener(this); 6382 mPreDrawRegistered = false; 6383 mPreDrawListenerDetached = false; 6384 } 6385 6386 /** 6387 * {@inheritDoc} 6388 */ 6389 @Override 6390 public boolean onPreDraw() { 6391 if (mLayout == null) { 6392 assumeLayout(); 6393 } 6394 6395 if (mMovement != null) { 6396 /* This code also provides auto-scrolling when a cursor is moved using a 6397 * CursorController (insertion point or selection limits). 6398 * For selection, ensure start or end is visible depending on controller's state. 6399 */ 6400 int curs = getSelectionEnd(); 6401 // Do not create the controller if it is not already created. 6402 if (mEditor != null && mEditor.mSelectionModifierCursorController != null 6403 && mEditor.mSelectionModifierCursorController.isSelectionStartDragged()) { 6404 curs = getSelectionStart(); 6405 } 6406 6407 /* 6408 * TODO: This should really only keep the end in view if 6409 * it already was before the text changed. I'm not sure 6410 * of a good way to tell from here if it was. 6411 */ 6412 if (curs < 0 && (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 6413 curs = mText.length(); 6414 } 6415 6416 if (curs >= 0) { 6417 bringPointIntoView(curs); 6418 } 6419 } else { 6420 bringTextIntoView(); 6421 } 6422 6423 // This has to be checked here since: 6424 // - onFocusChanged cannot start it when focus is given to a view with selected text (after 6425 // a screen rotation) since layout is not yet initialized at that point. 6426 if (mEditor != null && mEditor.mCreatedWithASelection) { 6427 mEditor.refreshTextActionMode(); 6428 mEditor.mCreatedWithASelection = false; 6429 } 6430 6431 unregisterForPreDraw(); 6432 6433 return true; 6434 } 6435 6436 @Override 6437 protected void onAttachedToWindow() { 6438 super.onAttachedToWindow(); 6439 6440 if (mEditor != null) mEditor.onAttachedToWindow(); 6441 6442 if (mPreDrawListenerDetached) { 6443 getViewTreeObserver().addOnPreDrawListener(this); 6444 mPreDrawListenerDetached = false; 6445 } 6446 } 6447 6448 /** @hide */ 6449 @Override 6450 protected void onDetachedFromWindowInternal() { 6451 if (mPreDrawRegistered) { 6452 getViewTreeObserver().removeOnPreDrawListener(this); 6453 mPreDrawListenerDetached = true; 6454 } 6455 6456 resetResolvedDrawables(); 6457 6458 if (mEditor != null) mEditor.onDetachedFromWindow(); 6459 6460 super.onDetachedFromWindowInternal(); 6461 } 6462 6463 @Override 6464 public void onScreenStateChanged(int screenState) { 6465 super.onScreenStateChanged(screenState); 6466 if (mEditor != null) mEditor.onScreenStateChanged(screenState); 6467 } 6468 6469 @Override 6470 protected boolean isPaddingOffsetRequired() { 6471 return mShadowRadius != 0 || mDrawables != null; 6472 } 6473 6474 @Override 6475 protected int getLeftPaddingOffset() { 6476 return getCompoundPaddingLeft() - mPaddingLeft 6477 + (int) Math.min(0, mShadowDx - mShadowRadius); 6478 } 6479 6480 @Override 6481 protected int getTopPaddingOffset() { 6482 return (int) Math.min(0, mShadowDy - mShadowRadius); 6483 } 6484 6485 @Override 6486 protected int getBottomPaddingOffset() { 6487 return (int) Math.max(0, mShadowDy + mShadowRadius); 6488 } 6489 6490 @Override 6491 protected int getRightPaddingOffset() { 6492 return -(getCompoundPaddingRight() - mPaddingRight) 6493 + (int) Math.max(0, mShadowDx + mShadowRadius); 6494 } 6495 6496 @Override 6497 protected boolean verifyDrawable(@NonNull Drawable who) { 6498 final boolean verified = super.verifyDrawable(who); 6499 if (!verified && mDrawables != null) { 6500 for (Drawable dr : mDrawables.mShowing) { 6501 if (who == dr) { 6502 return true; 6503 } 6504 } 6505 } 6506 return verified; 6507 } 6508 6509 @Override 6510 public void jumpDrawablesToCurrentState() { 6511 super.jumpDrawablesToCurrentState(); 6512 if (mDrawables != null) { 6513 for (Drawable dr : mDrawables.mShowing) { 6514 if (dr != null) { 6515 dr.jumpToCurrentState(); 6516 } 6517 } 6518 } 6519 } 6520 6521 @Override 6522 public void invalidateDrawable(@NonNull Drawable drawable) { 6523 boolean handled = false; 6524 6525 if (verifyDrawable(drawable)) { 6526 final Rect dirty = drawable.getBounds(); 6527 int scrollX = mScrollX; 6528 int scrollY = mScrollY; 6529 6530 // IMPORTANT: The coordinates below are based on the coordinates computed 6531 // for each compound drawable in onDraw(). Make sure to update each section 6532 // accordingly. 6533 final TextView.Drawables drawables = mDrawables; 6534 if (drawables != null) { 6535 if (drawable == drawables.mShowing[Drawables.LEFT]) { 6536 final int compoundPaddingTop = getCompoundPaddingTop(); 6537 final int compoundPaddingBottom = getCompoundPaddingBottom(); 6538 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 6539 6540 scrollX += mPaddingLeft; 6541 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightLeft) / 2; 6542 handled = true; 6543 } else if (drawable == drawables.mShowing[Drawables.RIGHT]) { 6544 final int compoundPaddingTop = getCompoundPaddingTop(); 6545 final int compoundPaddingBottom = getCompoundPaddingBottom(); 6546 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 6547 6548 scrollX += (mRight - mLeft - mPaddingRight - drawables.mDrawableSizeRight); 6549 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightRight) / 2; 6550 handled = true; 6551 } else if (drawable == drawables.mShowing[Drawables.TOP]) { 6552 final int compoundPaddingLeft = getCompoundPaddingLeft(); 6553 final int compoundPaddingRight = getCompoundPaddingRight(); 6554 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 6555 6556 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthTop) / 2; 6557 scrollY += mPaddingTop; 6558 handled = true; 6559 } else if (drawable == drawables.mShowing[Drawables.BOTTOM]) { 6560 final int compoundPaddingLeft = getCompoundPaddingLeft(); 6561 final int compoundPaddingRight = getCompoundPaddingRight(); 6562 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 6563 6564 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthBottom) / 2; 6565 scrollY += (mBottom - mTop - mPaddingBottom - drawables.mDrawableSizeBottom); 6566 handled = true; 6567 } 6568 } 6569 6570 if (handled) { 6571 invalidate(dirty.left + scrollX, dirty.top + scrollY, 6572 dirty.right + scrollX, dirty.bottom + scrollY); 6573 } 6574 } 6575 6576 if (!handled) { 6577 super.invalidateDrawable(drawable); 6578 } 6579 } 6580 6581 @Override 6582 public boolean hasOverlappingRendering() { 6583 // horizontal fading edge causes SaveLayerAlpha, which doesn't support alpha modulation 6584 return ((getBackground() != null && getBackground().getCurrent() != null) 6585 || mText instanceof Spannable || hasSelection() 6586 || isHorizontalFadingEdgeEnabled()); 6587 } 6588 6589 /** 6590 * 6591 * Returns the state of the {@code textIsSelectable} flag (See 6592 * {@link #setTextIsSelectable setTextIsSelectable()}). Although you have to set this flag 6593 * to allow users to select and copy text in a non-editable TextView, the content of an 6594 * {@link EditText} can always be selected, independently of the value of this flag. 6595 * <p> 6596 * 6597 * @return True if the text displayed in this TextView can be selected by the user. 6598 * 6599 * @attr ref android.R.styleable#TextView_textIsSelectable 6600 */ 6601 public boolean isTextSelectable() { 6602 return mEditor == null ? false : mEditor.mTextIsSelectable; 6603 } 6604 6605 /** 6606 * Sets whether the content of this view is selectable by the user. The default is 6607 * {@code false}, meaning that the content is not selectable. 6608 * <p> 6609 * When you use a TextView to display a useful piece of information to the user (such as a 6610 * contact's address), make it selectable, so that the user can select and copy its 6611 * content. You can also use set the XML attribute 6612 * {@link android.R.styleable#TextView_textIsSelectable} to "true". 6613 * <p> 6614 * When you call this method to set the value of {@code textIsSelectable}, it sets 6615 * the flags {@code focusable}, {@code focusableInTouchMode}, {@code clickable}, 6616 * and {@code longClickable} to the same value. These flags correspond to the attributes 6617 * {@link android.R.styleable#View_focusable android:focusable}, 6618 * {@link android.R.styleable#View_focusableInTouchMode android:focusableInTouchMode}, 6619 * {@link android.R.styleable#View_clickable android:clickable}, and 6620 * {@link android.R.styleable#View_longClickable android:longClickable}. To restore any of these 6621 * flags to a state you had set previously, call one or more of the following methods: 6622 * {@link #setFocusable(boolean) setFocusable()}, 6623 * {@link #setFocusableInTouchMode(boolean) setFocusableInTouchMode()}, 6624 * {@link #setClickable(boolean) setClickable()} or 6625 * {@link #setLongClickable(boolean) setLongClickable()}. 6626 * 6627 * @param selectable Whether the content of this TextView should be selectable. 6628 */ 6629 public void setTextIsSelectable(boolean selectable) { 6630 if (!selectable && mEditor == null) return; // false is default value with no edit data 6631 6632 createEditorIfNeeded(); 6633 if (mEditor.mTextIsSelectable == selectable) return; 6634 6635 mEditor.mTextIsSelectable = selectable; 6636 setFocusableInTouchMode(selectable); 6637 setFocusable(FOCUSABLE_AUTO); 6638 setClickable(selectable); 6639 setLongClickable(selectable); 6640 6641 // mInputType should already be EditorInfo.TYPE_NULL and mInput should be null 6642 6643 setMovementMethod(selectable ? ArrowKeyMovementMethod.getInstance() : null); 6644 setText(mText, selectable ? BufferType.SPANNABLE : BufferType.NORMAL); 6645 6646 // Called by setText above, but safer in case of future code changes 6647 mEditor.prepareCursorControllers(); 6648 } 6649 6650 @Override 6651 protected int[] onCreateDrawableState(int extraSpace) { 6652 final int[] drawableState; 6653 6654 if (mSingleLine) { 6655 drawableState = super.onCreateDrawableState(extraSpace); 6656 } else { 6657 drawableState = super.onCreateDrawableState(extraSpace + 1); 6658 mergeDrawableStates(drawableState, MULTILINE_STATE_SET); 6659 } 6660 6661 if (isTextSelectable()) { 6662 // Disable pressed state, which was introduced when TextView was made clickable. 6663 // Prevents text color change. 6664 // setClickable(false) would have a similar effect, but it also disables focus changes 6665 // and long press actions, which are both needed by text selection. 6666 final int length = drawableState.length; 6667 for (int i = 0; i < length; i++) { 6668 if (drawableState[i] == R.attr.state_pressed) { 6669 final int[] nonPressedState = new int[length - 1]; 6670 System.arraycopy(drawableState, 0, nonPressedState, 0, i); 6671 System.arraycopy(drawableState, i + 1, nonPressedState, i, length - i - 1); 6672 return nonPressedState; 6673 } 6674 } 6675 } 6676 6677 return drawableState; 6678 } 6679 6680 private Path getUpdatedHighlightPath() { 6681 Path highlight = null; 6682 Paint highlightPaint = mHighlightPaint; 6683 6684 final int selStart = getSelectionStart(); 6685 final int selEnd = getSelectionEnd(); 6686 if (mMovement != null && (isFocused() || isPressed()) && selStart >= 0) { 6687 if (selStart == selEnd) { 6688 if (mEditor != null && mEditor.isCursorVisible() 6689 && (SystemClock.uptimeMillis() - mEditor.mShowCursor) 6690 % (2 * Editor.BLINK) < Editor.BLINK) { 6691 if (mHighlightPathBogus) { 6692 if (mHighlightPath == null) mHighlightPath = new Path(); 6693 mHighlightPath.reset(); 6694 mLayout.getCursorPath(selStart, mHighlightPath, mText); 6695 mEditor.updateCursorsPositions(); 6696 mHighlightPathBogus = false; 6697 } 6698 6699 // XXX should pass to skin instead of drawing directly 6700 highlightPaint.setColor(mCurTextColor); 6701 highlightPaint.setStyle(Paint.Style.STROKE); 6702 highlight = mHighlightPath; 6703 } 6704 } else { 6705 if (mHighlightPathBogus) { 6706 if (mHighlightPath == null) mHighlightPath = new Path(); 6707 mHighlightPath.reset(); 6708 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 6709 mHighlightPathBogus = false; 6710 } 6711 6712 // XXX should pass to skin instead of drawing directly 6713 highlightPaint.setColor(mHighlightColor); 6714 highlightPaint.setStyle(Paint.Style.FILL); 6715 6716 highlight = mHighlightPath; 6717 } 6718 } 6719 return highlight; 6720 } 6721 6722 /** 6723 * @hide 6724 */ 6725 public int getHorizontalOffsetForDrawables() { 6726 return 0; 6727 } 6728 6729 @Override 6730 protected void onDraw(Canvas canvas) { 6731 restartMarqueeIfNeeded(); 6732 6733 // Draw the background for this view 6734 super.onDraw(canvas); 6735 6736 final int compoundPaddingLeft = getCompoundPaddingLeft(); 6737 final int compoundPaddingTop = getCompoundPaddingTop(); 6738 final int compoundPaddingRight = getCompoundPaddingRight(); 6739 final int compoundPaddingBottom = getCompoundPaddingBottom(); 6740 final int scrollX = mScrollX; 6741 final int scrollY = mScrollY; 6742 final int right = mRight; 6743 final int left = mLeft; 6744 final int bottom = mBottom; 6745 final int top = mTop; 6746 final boolean isLayoutRtl = isLayoutRtl(); 6747 final int offset = getHorizontalOffsetForDrawables(); 6748 final int leftOffset = isLayoutRtl ? 0 : offset; 6749 final int rightOffset = isLayoutRtl ? offset : 0; 6750 6751 final Drawables dr = mDrawables; 6752 if (dr != null) { 6753 /* 6754 * Compound, not extended, because the icon is not clipped 6755 * if the text height is smaller. 6756 */ 6757 6758 int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop; 6759 int hspace = right - left - compoundPaddingRight - compoundPaddingLeft; 6760 6761 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 6762 // Make sure to update invalidateDrawable() when changing this code. 6763 if (dr.mShowing[Drawables.LEFT] != null) { 6764 canvas.save(); 6765 canvas.translate(scrollX + mPaddingLeft + leftOffset, 6766 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightLeft) / 2); 6767 dr.mShowing[Drawables.LEFT].draw(canvas); 6768 canvas.restore(); 6769 } 6770 6771 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 6772 // Make sure to update invalidateDrawable() when changing this code. 6773 if (dr.mShowing[Drawables.RIGHT] != null) { 6774 canvas.save(); 6775 canvas.translate(scrollX + right - left - mPaddingRight 6776 - dr.mDrawableSizeRight - rightOffset, 6777 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightRight) / 2); 6778 dr.mShowing[Drawables.RIGHT].draw(canvas); 6779 canvas.restore(); 6780 } 6781 6782 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 6783 // Make sure to update invalidateDrawable() when changing this code. 6784 if (dr.mShowing[Drawables.TOP] != null) { 6785 canvas.save(); 6786 canvas.translate(scrollX + compoundPaddingLeft 6787 + (hspace - dr.mDrawableWidthTop) / 2, scrollY + mPaddingTop); 6788 dr.mShowing[Drawables.TOP].draw(canvas); 6789 canvas.restore(); 6790 } 6791 6792 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 6793 // Make sure to update invalidateDrawable() when changing this code. 6794 if (dr.mShowing[Drawables.BOTTOM] != null) { 6795 canvas.save(); 6796 canvas.translate(scrollX + compoundPaddingLeft 6797 + (hspace - dr.mDrawableWidthBottom) / 2, 6798 scrollY + bottom - top - mPaddingBottom - dr.mDrawableSizeBottom); 6799 dr.mShowing[Drawables.BOTTOM].draw(canvas); 6800 canvas.restore(); 6801 } 6802 } 6803 6804 int color = mCurTextColor; 6805 6806 if (mLayout == null) { 6807 assumeLayout(); 6808 } 6809 6810 Layout layout = mLayout; 6811 6812 if (mHint != null && mText.length() == 0) { 6813 if (mHintTextColor != null) { 6814 color = mCurHintTextColor; 6815 } 6816 6817 layout = mHintLayout; 6818 } 6819 6820 mTextPaint.setColor(color); 6821 mTextPaint.drawableState = getDrawableState(); 6822 6823 canvas.save(); 6824 /* Would be faster if we didn't have to do this. Can we chop the 6825 (displayable) text so that we don't need to do this ever? 6826 */ 6827 6828 int extendedPaddingTop = getExtendedPaddingTop(); 6829 int extendedPaddingBottom = getExtendedPaddingBottom(); 6830 6831 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 6832 final int maxScrollY = mLayout.getHeight() - vspace; 6833 6834 float clipLeft = compoundPaddingLeft + scrollX; 6835 float clipTop = (scrollY == 0) ? 0 : extendedPaddingTop + scrollY; 6836 float clipRight = right - left - getCompoundPaddingRight() + scrollX; 6837 float clipBottom = bottom - top + scrollY 6838 - ((scrollY == maxScrollY) ? 0 : extendedPaddingBottom); 6839 6840 if (mShadowRadius != 0) { 6841 clipLeft += Math.min(0, mShadowDx - mShadowRadius); 6842 clipRight += Math.max(0, mShadowDx + mShadowRadius); 6843 6844 clipTop += Math.min(0, mShadowDy - mShadowRadius); 6845 clipBottom += Math.max(0, mShadowDy + mShadowRadius); 6846 } 6847 6848 canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom); 6849 6850 int voffsetText = 0; 6851 int voffsetCursor = 0; 6852 6853 // translate in by our padding 6854 /* shortcircuit calling getVerticaOffset() */ 6855 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 6856 voffsetText = getVerticalOffset(false); 6857 voffsetCursor = getVerticalOffset(true); 6858 } 6859 canvas.translate(compoundPaddingLeft, extendedPaddingTop + voffsetText); 6860 6861 final int layoutDirection = getLayoutDirection(); 6862 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 6863 if (isMarqueeFadeEnabled()) { 6864 if (!mSingleLine && getLineCount() == 1 && canMarquee() 6865 && (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) { 6866 final int width = mRight - mLeft; 6867 final int padding = getCompoundPaddingLeft() + getCompoundPaddingRight(); 6868 final float dx = mLayout.getLineRight(0) - (width - padding); 6869 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 6870 } 6871 6872 if (mMarquee != null && mMarquee.isRunning()) { 6873 final float dx = -mMarquee.getScroll(); 6874 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 6875 } 6876 } 6877 6878 final int cursorOffsetVertical = voffsetCursor - voffsetText; 6879 6880 Path highlight = getUpdatedHighlightPath(); 6881 if (mEditor != null) { 6882 mEditor.onDraw(canvas, layout, highlight, mHighlightPaint, cursorOffsetVertical); 6883 } else { 6884 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 6885 } 6886 6887 if (mMarquee != null && mMarquee.shouldDrawGhost()) { 6888 final float dx = mMarquee.getGhostOffset(); 6889 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 6890 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 6891 } 6892 6893 canvas.restore(); 6894 } 6895 6896 @Override 6897 public void getFocusedRect(Rect r) { 6898 if (mLayout == null) { 6899 super.getFocusedRect(r); 6900 return; 6901 } 6902 6903 int selEnd = getSelectionEnd(); 6904 if (selEnd < 0) { 6905 super.getFocusedRect(r); 6906 return; 6907 } 6908 6909 int selStart = getSelectionStart(); 6910 if (selStart < 0 || selStart >= selEnd) { 6911 int line = mLayout.getLineForOffset(selEnd); 6912 r.top = mLayout.getLineTop(line); 6913 r.bottom = mLayout.getLineBottom(line); 6914 r.left = (int) mLayout.getPrimaryHorizontal(selEnd) - 2; 6915 r.right = r.left + 4; 6916 } else { 6917 int lineStart = mLayout.getLineForOffset(selStart); 6918 int lineEnd = mLayout.getLineForOffset(selEnd); 6919 r.top = mLayout.getLineTop(lineStart); 6920 r.bottom = mLayout.getLineBottom(lineEnd); 6921 if (lineStart == lineEnd) { 6922 r.left = (int) mLayout.getPrimaryHorizontal(selStart); 6923 r.right = (int) mLayout.getPrimaryHorizontal(selEnd); 6924 } else { 6925 // Selection extends across multiple lines -- make the focused 6926 // rect cover the entire width. 6927 if (mHighlightPathBogus) { 6928 if (mHighlightPath == null) mHighlightPath = new Path(); 6929 mHighlightPath.reset(); 6930 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 6931 mHighlightPathBogus = false; 6932 } 6933 synchronized (TEMP_RECTF) { 6934 mHighlightPath.computeBounds(TEMP_RECTF, true); 6935 r.left = (int) TEMP_RECTF.left - 1; 6936 r.right = (int) TEMP_RECTF.right + 1; 6937 } 6938 } 6939 } 6940 6941 // Adjust for padding and gravity. 6942 int paddingLeft = getCompoundPaddingLeft(); 6943 int paddingTop = getExtendedPaddingTop(); 6944 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 6945 paddingTop += getVerticalOffset(false); 6946 } 6947 r.offset(paddingLeft, paddingTop); 6948 int paddingBottom = getExtendedPaddingBottom(); 6949 r.bottom += paddingBottom; 6950 } 6951 6952 /** 6953 * Return the number of lines of text, or 0 if the internal Layout has not 6954 * been built. 6955 */ 6956 public int getLineCount() { 6957 return mLayout != null ? mLayout.getLineCount() : 0; 6958 } 6959 6960 /** 6961 * Return the baseline for the specified line (0...getLineCount() - 1) 6962 * If bounds is not null, return the top, left, right, bottom extents 6963 * of the specified line in it. If the internal Layout has not been built, 6964 * return 0 and set bounds to (0, 0, 0, 0) 6965 * @param line which line to examine (0..getLineCount() - 1) 6966 * @param bounds Optional. If not null, it returns the extent of the line 6967 * @return the Y-coordinate of the baseline 6968 */ 6969 public int getLineBounds(int line, Rect bounds) { 6970 if (mLayout == null) { 6971 if (bounds != null) { 6972 bounds.set(0, 0, 0, 0); 6973 } 6974 return 0; 6975 } else { 6976 int baseline = mLayout.getLineBounds(line, bounds); 6977 6978 int voffset = getExtendedPaddingTop(); 6979 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 6980 voffset += getVerticalOffset(true); 6981 } 6982 if (bounds != null) { 6983 bounds.offset(getCompoundPaddingLeft(), voffset); 6984 } 6985 return baseline + voffset; 6986 } 6987 } 6988 6989 @Override 6990 public int getBaseline() { 6991 if (mLayout == null) { 6992 return super.getBaseline(); 6993 } 6994 6995 return getBaselineOffset() + mLayout.getLineBaseline(0); 6996 } 6997 6998 int getBaselineOffset() { 6999 int voffset = 0; 7000 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 7001 voffset = getVerticalOffset(true); 7002 } 7003 7004 if (isLayoutModeOptical(mParent)) { 7005 voffset -= getOpticalInsets().top; 7006 } 7007 7008 return getExtendedPaddingTop() + voffset; 7009 } 7010 7011 /** 7012 * @hide 7013 */ 7014 @Override 7015 protected int getFadeTop(boolean offsetRequired) { 7016 if (mLayout == null) return 0; 7017 7018 int voffset = 0; 7019 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 7020 voffset = getVerticalOffset(true); 7021 } 7022 7023 if (offsetRequired) voffset += getTopPaddingOffset(); 7024 7025 return getExtendedPaddingTop() + voffset; 7026 } 7027 7028 /** 7029 * @hide 7030 */ 7031 @Override 7032 protected int getFadeHeight(boolean offsetRequired) { 7033 return mLayout != null ? mLayout.getHeight() : 0; 7034 } 7035 7036 @Override 7037 public PointerIcon onResolvePointerIcon(MotionEvent event, int pointerIndex) { 7038 if (mText instanceof Spannable && mLinksClickable) { 7039 final float x = event.getX(pointerIndex); 7040 final float y = event.getY(pointerIndex); 7041 final int offset = getOffsetForPosition(x, y); 7042 final ClickableSpan[] clickables = ((Spannable) mText).getSpans(offset, offset, 7043 ClickableSpan.class); 7044 if (clickables.length > 0) { 7045 return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_HAND); 7046 } 7047 } 7048 if (isTextSelectable() || isTextEditable()) { 7049 return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_TEXT); 7050 } 7051 return super.onResolvePointerIcon(event, pointerIndex); 7052 } 7053 7054 @Override 7055 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 7056 // Note: If the IME is in fullscreen mode and IMS#mExtractEditText is in text action mode, 7057 // InputMethodService#onKeyDown and InputMethodService#onKeyUp are responsible to call 7058 // InputMethodService#mExtractEditText.maybeHandleBackInTextActionMode(event). 7059 if (keyCode == KeyEvent.KEYCODE_BACK && handleBackInTextActionModeIfNeeded(event)) { 7060 return true; 7061 } 7062 return super.onKeyPreIme(keyCode, event); 7063 } 7064 7065 /** 7066 * @hide 7067 */ 7068 public boolean handleBackInTextActionModeIfNeeded(KeyEvent event) { 7069 // Do nothing unless mEditor is in text action mode. 7070 if (mEditor == null || mEditor.getTextActionMode() == null) { 7071 return false; 7072 } 7073 7074 if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) { 7075 KeyEvent.DispatcherState state = getKeyDispatcherState(); 7076 if (state != null) { 7077 state.startTracking(event, this); 7078 } 7079 return true; 7080 } else if (event.getAction() == KeyEvent.ACTION_UP) { 7081 KeyEvent.DispatcherState state = getKeyDispatcherState(); 7082 if (state != null) { 7083 state.handleUpEvent(event); 7084 } 7085 if (event.isTracking() && !event.isCanceled()) { 7086 stopTextActionMode(); 7087 return true; 7088 } 7089 } 7090 return false; 7091 } 7092 7093 @Override 7094 public boolean onKeyDown(int keyCode, KeyEvent event) { 7095 final int which = doKeyDown(keyCode, event, null); 7096 if (which == KEY_EVENT_NOT_HANDLED) { 7097 return super.onKeyDown(keyCode, event); 7098 } 7099 7100 return true; 7101 } 7102 7103 @Override 7104 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 7105 KeyEvent down = KeyEvent.changeAction(event, KeyEvent.ACTION_DOWN); 7106 final int which = doKeyDown(keyCode, down, event); 7107 if (which == KEY_EVENT_NOT_HANDLED) { 7108 // Go through default dispatching. 7109 return super.onKeyMultiple(keyCode, repeatCount, event); 7110 } 7111 if (which == KEY_EVENT_HANDLED) { 7112 // Consumed the whole thing. 7113 return true; 7114 } 7115 7116 repeatCount--; 7117 7118 // We are going to dispatch the remaining events to either the input 7119 // or movement method. To do this, we will just send a repeated stream 7120 // of down and up events until we have done the complete repeatCount. 7121 // It would be nice if those interfaces had an onKeyMultiple() method, 7122 // but adding that is a more complicated change. 7123 KeyEvent up = KeyEvent.changeAction(event, KeyEvent.ACTION_UP); 7124 if (which == KEY_DOWN_HANDLED_BY_KEY_LISTENER) { 7125 // mEditor and mEditor.mInput are not null from doKeyDown 7126 mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, up); 7127 while (--repeatCount > 0) { 7128 mEditor.mKeyListener.onKeyDown(this, (Editable) mText, keyCode, down); 7129 mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, up); 7130 } 7131 hideErrorIfUnchanged(); 7132 7133 } else if (which == KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD) { 7134 // mMovement is not null from doKeyDown 7135 mMovement.onKeyUp(this, (Spannable) mText, keyCode, up); 7136 while (--repeatCount > 0) { 7137 mMovement.onKeyDown(this, (Spannable) mText, keyCode, down); 7138 mMovement.onKeyUp(this, (Spannable) mText, keyCode, up); 7139 } 7140 } 7141 7142 return true; 7143 } 7144 7145 /** 7146 * Returns true if pressing ENTER in this field advances focus instead 7147 * of inserting the character. This is true mostly in single-line fields, 7148 * but also in mail addresses and subjects which will display on multiple 7149 * lines but where it doesn't make sense to insert newlines. 7150 */ 7151 private boolean shouldAdvanceFocusOnEnter() { 7152 if (getKeyListener() == null) { 7153 return false; 7154 } 7155 7156 if (mSingleLine) { 7157 return true; 7158 } 7159 7160 if (mEditor != null 7161 && (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) 7162 == EditorInfo.TYPE_CLASS_TEXT) { 7163 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 7164 if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS 7165 || variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT) { 7166 return true; 7167 } 7168 } 7169 7170 return false; 7171 } 7172 7173 /** 7174 * Returns true if pressing TAB in this field advances focus instead 7175 * of inserting the character. Insert tabs only in multi-line editors. 7176 */ 7177 private boolean shouldAdvanceFocusOnTab() { 7178 if (getKeyListener() != null && !mSingleLine && mEditor != null 7179 && (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) 7180 == EditorInfo.TYPE_CLASS_TEXT) { 7181 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 7182 if (variation == EditorInfo.TYPE_TEXT_FLAG_IME_MULTI_LINE 7183 || variation == EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE) { 7184 return false; 7185 } 7186 } 7187 return true; 7188 } 7189 7190 private boolean isDirectionalNavigationKey(int keyCode) { 7191 switch(keyCode) { 7192 case KeyEvent.KEYCODE_DPAD_UP: 7193 case KeyEvent.KEYCODE_DPAD_DOWN: 7194 case KeyEvent.KEYCODE_DPAD_LEFT: 7195 case KeyEvent.KEYCODE_DPAD_RIGHT: 7196 return true; 7197 } 7198 return false; 7199 } 7200 7201 private int doKeyDown(int keyCode, KeyEvent event, KeyEvent otherEvent) { 7202 if (!isEnabled()) { 7203 return KEY_EVENT_NOT_HANDLED; 7204 } 7205 7206 // If this is the initial keydown, we don't want to prevent a movement away from this view. 7207 // While this shouldn't be necessary because any time we're preventing default movement we 7208 // should be restricting the focus to remain within this view, thus we'll also receive 7209 // the key up event, occasionally key up events will get dropped and we don't want to 7210 // prevent the user from traversing out of this on the next key down. 7211 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 7212 mPreventDefaultMovement = false; 7213 } 7214 7215 switch (keyCode) { 7216 case KeyEvent.KEYCODE_ENTER: 7217 if (event.hasNoModifiers()) { 7218 // When mInputContentType is set, we know that we are 7219 // running in a "modern" cupcake environment, so don't need 7220 // to worry about the application trying to capture 7221 // enter key events. 7222 if (mEditor != null && mEditor.mInputContentType != null) { 7223 // If there is an action listener, given them a 7224 // chance to consume the event. 7225 if (mEditor.mInputContentType.onEditorActionListener != null 7226 && mEditor.mInputContentType.onEditorActionListener.onEditorAction( 7227 this, EditorInfo.IME_NULL, event)) { 7228 mEditor.mInputContentType.enterDown = true; 7229 // We are consuming the enter key for them. 7230 return KEY_EVENT_HANDLED; 7231 } 7232 } 7233 7234 // If our editor should move focus when enter is pressed, or 7235 // this is a generated event from an IME action button, then 7236 // don't let it be inserted into the text. 7237 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 7238 || shouldAdvanceFocusOnEnter()) { 7239 if (hasOnClickListeners()) { 7240 return KEY_EVENT_NOT_HANDLED; 7241 } 7242 return KEY_EVENT_HANDLED; 7243 } 7244 } 7245 break; 7246 7247 case KeyEvent.KEYCODE_DPAD_CENTER: 7248 if (event.hasNoModifiers()) { 7249 if (shouldAdvanceFocusOnEnter()) { 7250 return KEY_EVENT_NOT_HANDLED; 7251 } 7252 } 7253 break; 7254 7255 case KeyEvent.KEYCODE_TAB: 7256 if (event.hasNoModifiers() || event.hasModifiers(KeyEvent.META_SHIFT_ON)) { 7257 if (shouldAdvanceFocusOnTab()) { 7258 return KEY_EVENT_NOT_HANDLED; 7259 } 7260 } 7261 break; 7262 7263 // Has to be done on key down (and not on key up) to correctly be intercepted. 7264 case KeyEvent.KEYCODE_BACK: 7265 if (mEditor != null && mEditor.getTextActionMode() != null) { 7266 stopTextActionMode(); 7267 return KEY_EVENT_HANDLED; 7268 } 7269 break; 7270 7271 case KeyEvent.KEYCODE_CUT: 7272 if (event.hasNoModifiers() && canCut()) { 7273 if (onTextContextMenuItem(ID_CUT)) { 7274 return KEY_EVENT_HANDLED; 7275 } 7276 } 7277 break; 7278 7279 case KeyEvent.KEYCODE_COPY: 7280 if (event.hasNoModifiers() && canCopy()) { 7281 if (onTextContextMenuItem(ID_COPY)) { 7282 return KEY_EVENT_HANDLED; 7283 } 7284 } 7285 break; 7286 7287 case KeyEvent.KEYCODE_PASTE: 7288 if (event.hasNoModifiers() && canPaste()) { 7289 if (onTextContextMenuItem(ID_PASTE)) { 7290 return KEY_EVENT_HANDLED; 7291 } 7292 } 7293 break; 7294 } 7295 7296 if (mEditor != null && mEditor.mKeyListener != null) { 7297 boolean doDown = true; 7298 if (otherEvent != null) { 7299 try { 7300 beginBatchEdit(); 7301 final boolean handled = mEditor.mKeyListener.onKeyOther(this, (Editable) mText, 7302 otherEvent); 7303 hideErrorIfUnchanged(); 7304 doDown = false; 7305 if (handled) { 7306 return KEY_EVENT_HANDLED; 7307 } 7308 } catch (AbstractMethodError e) { 7309 // onKeyOther was added after 1.0, so if it isn't 7310 // implemented we need to try to dispatch as a regular down. 7311 } finally { 7312 endBatchEdit(); 7313 } 7314 } 7315 7316 if (doDown) { 7317 beginBatchEdit(); 7318 final boolean handled = mEditor.mKeyListener.onKeyDown(this, (Editable) mText, 7319 keyCode, event); 7320 endBatchEdit(); 7321 hideErrorIfUnchanged(); 7322 if (handled) return KEY_DOWN_HANDLED_BY_KEY_LISTENER; 7323 } 7324 } 7325 7326 // bug 650865: sometimes we get a key event before a layout. 7327 // don't try to move around if we don't know the layout. 7328 7329 if (mMovement != null && mLayout != null) { 7330 boolean doDown = true; 7331 if (otherEvent != null) { 7332 try { 7333 boolean handled = mMovement.onKeyOther(this, (Spannable) mText, 7334 otherEvent); 7335 doDown = false; 7336 if (handled) { 7337 return KEY_EVENT_HANDLED; 7338 } 7339 } catch (AbstractMethodError e) { 7340 // onKeyOther was added after 1.0, so if it isn't 7341 // implemented we need to try to dispatch as a regular down. 7342 } 7343 } 7344 if (doDown) { 7345 if (mMovement.onKeyDown(this, (Spannable) mText, keyCode, event)) { 7346 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 7347 mPreventDefaultMovement = true; 7348 } 7349 return KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD; 7350 } 7351 } 7352 // Consume arrows from keyboard devices to prevent focus leaving the editor. 7353 // DPAD/JOY devices (Gamepads, TV remotes) often lack a TAB key so allow those 7354 // to move focus with arrows. 7355 if (event.getSource() == InputDevice.SOURCE_KEYBOARD 7356 && isDirectionalNavigationKey(keyCode)) { 7357 return KEY_EVENT_HANDLED; 7358 } 7359 } 7360 7361 return mPreventDefaultMovement && !KeyEvent.isModifierKey(keyCode) 7362 ? KEY_EVENT_HANDLED : KEY_EVENT_NOT_HANDLED; 7363 } 7364 7365 /** 7366 * Resets the mErrorWasChanged flag, so that future calls to {@link #setError(CharSequence)} 7367 * can be recorded. 7368 * @hide 7369 */ 7370 public void resetErrorChangedFlag() { 7371 /* 7372 * Keep track of what the error was before doing the input 7373 * so that if an input filter changed the error, we leave 7374 * that error showing. Otherwise, we take down whatever 7375 * error was showing when the user types something. 7376 */ 7377 if (mEditor != null) mEditor.mErrorWasChanged = false; 7378 } 7379 7380 /** 7381 * @hide 7382 */ 7383 public void hideErrorIfUnchanged() { 7384 if (mEditor != null && mEditor.mError != null && !mEditor.mErrorWasChanged) { 7385 setError(null, null); 7386 } 7387 } 7388 7389 @Override 7390 public boolean onKeyUp(int keyCode, KeyEvent event) { 7391 if (!isEnabled()) { 7392 return super.onKeyUp(keyCode, event); 7393 } 7394 7395 if (!KeyEvent.isModifierKey(keyCode)) { 7396 mPreventDefaultMovement = false; 7397 } 7398 7399 switch (keyCode) { 7400 case KeyEvent.KEYCODE_DPAD_CENTER: 7401 if (event.hasNoModifiers()) { 7402 /* 7403 * If there is a click listener, just call through to 7404 * super, which will invoke it. 7405 * 7406 * If there isn't a click listener, try to show the soft 7407 * input method. (It will also 7408 * call performClick(), but that won't do anything in 7409 * this case.) 7410 */ 7411 if (!hasOnClickListeners()) { 7412 if (mMovement != null && mText instanceof Editable 7413 && mLayout != null && onCheckIsTextEditor()) { 7414 InputMethodManager imm = InputMethodManager.peekInstance(); 7415 viewClicked(imm); 7416 if (imm != null && getShowSoftInputOnFocus()) { 7417 imm.showSoftInput(this, 0); 7418 } 7419 } 7420 } 7421 } 7422 return super.onKeyUp(keyCode, event); 7423 7424 case KeyEvent.KEYCODE_ENTER: 7425 if (event.hasNoModifiers()) { 7426 if (mEditor != null && mEditor.mInputContentType != null 7427 && mEditor.mInputContentType.onEditorActionListener != null 7428 && mEditor.mInputContentType.enterDown) { 7429 mEditor.mInputContentType.enterDown = false; 7430 if (mEditor.mInputContentType.onEditorActionListener.onEditorAction( 7431 this, EditorInfo.IME_NULL, event)) { 7432 return true; 7433 } 7434 } 7435 7436 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 7437 || shouldAdvanceFocusOnEnter()) { 7438 /* 7439 * If there is a click listener, just call through to 7440 * super, which will invoke it. 7441 * 7442 * If there isn't a click listener, try to advance focus, 7443 * but still call through to super, which will reset the 7444 * pressed state and longpress state. (It will also 7445 * call performClick(), but that won't do anything in 7446 * this case.) 7447 */ 7448 if (!hasOnClickListeners()) { 7449 View v = focusSearch(FOCUS_DOWN); 7450 7451 if (v != null) { 7452 if (!v.requestFocus(FOCUS_DOWN)) { 7453 throw new IllegalStateException("focus search returned a view " 7454 + "that wasn't able to take focus!"); 7455 } 7456 7457 /* 7458 * Return true because we handled the key; super 7459 * will return false because there was no click 7460 * listener. 7461 */ 7462 super.onKeyUp(keyCode, event); 7463 return true; 7464 } else if ((event.getFlags() 7465 & KeyEvent.FLAG_EDITOR_ACTION) != 0) { 7466 // No target for next focus, but make sure the IME 7467 // if this came from it. 7468 InputMethodManager imm = InputMethodManager.peekInstance(); 7469 if (imm != null && imm.isActive(this)) { 7470 imm.hideSoftInputFromWindow(getWindowToken(), 0); 7471 } 7472 } 7473 } 7474 } 7475 return super.onKeyUp(keyCode, event); 7476 } 7477 break; 7478 } 7479 7480 if (mEditor != null && mEditor.mKeyListener != null) { 7481 if (mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, event)) { 7482 return true; 7483 } 7484 } 7485 7486 if (mMovement != null && mLayout != null) { 7487 if (mMovement.onKeyUp(this, (Spannable) mText, keyCode, event)) { 7488 return true; 7489 } 7490 } 7491 7492 return super.onKeyUp(keyCode, event); 7493 } 7494 7495 @Override 7496 public boolean onCheckIsTextEditor() { 7497 return mEditor != null && mEditor.mInputType != EditorInfo.TYPE_NULL; 7498 } 7499 7500 @Override 7501 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 7502 if (onCheckIsTextEditor() && isEnabled()) { 7503 mEditor.createInputMethodStateIfNeeded(); 7504 outAttrs.inputType = getInputType(); 7505 if (mEditor.mInputContentType != null) { 7506 outAttrs.imeOptions = mEditor.mInputContentType.imeOptions; 7507 outAttrs.privateImeOptions = mEditor.mInputContentType.privateImeOptions; 7508 outAttrs.actionLabel = mEditor.mInputContentType.imeActionLabel; 7509 outAttrs.actionId = mEditor.mInputContentType.imeActionId; 7510 outAttrs.extras = mEditor.mInputContentType.extras; 7511 outAttrs.hintLocales = mEditor.mInputContentType.imeHintLocales; 7512 } else { 7513 outAttrs.imeOptions = EditorInfo.IME_NULL; 7514 outAttrs.hintLocales = null; 7515 } 7516 if (focusSearch(FOCUS_DOWN) != null) { 7517 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_NEXT; 7518 } 7519 if (focusSearch(FOCUS_UP) != null) { 7520 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS; 7521 } 7522 if ((outAttrs.imeOptions & EditorInfo.IME_MASK_ACTION) 7523 == EditorInfo.IME_ACTION_UNSPECIFIED) { 7524 if ((outAttrs.imeOptions & EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) { 7525 // An action has not been set, but the enter key will move to 7526 // the next focus, so set the action to that. 7527 outAttrs.imeOptions |= EditorInfo.IME_ACTION_NEXT; 7528 } else { 7529 // An action has not been set, and there is no focus to move 7530 // to, so let's just supply a "done" action. 7531 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 7532 } 7533 if (!shouldAdvanceFocusOnEnter()) { 7534 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 7535 } 7536 } 7537 if (isMultilineInputType(outAttrs.inputType)) { 7538 // Multi-line text editors should always show an enter key. 7539 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 7540 } 7541 outAttrs.hintText = mHint; 7542 if (mText instanceof Editable) { 7543 InputConnection ic = new EditableInputConnection(this); 7544 outAttrs.initialSelStart = getSelectionStart(); 7545 outAttrs.initialSelEnd = getSelectionEnd(); 7546 outAttrs.initialCapsMode = ic.getCursorCapsMode(getInputType()); 7547 return ic; 7548 } 7549 } 7550 return null; 7551 } 7552 7553 /** 7554 * If this TextView contains editable content, extract a portion of it 7555 * based on the information in <var>request</var> in to <var>outText</var>. 7556 * @return Returns true if the text was successfully extracted, else false. 7557 */ 7558 public boolean extractText(ExtractedTextRequest request, ExtractedText outText) { 7559 createEditorIfNeeded(); 7560 return mEditor.extractText(request, outText); 7561 } 7562 7563 /** 7564 * This is used to remove all style-impacting spans from text before new 7565 * extracted text is being replaced into it, so that we don't have any 7566 * lingering spans applied during the replace. 7567 */ 7568 static void removeParcelableSpans(Spannable spannable, int start, int end) { 7569 Object[] spans = spannable.getSpans(start, end, ParcelableSpan.class); 7570 int i = spans.length; 7571 while (i > 0) { 7572 i--; 7573 spannable.removeSpan(spans[i]); 7574 } 7575 } 7576 7577 /** 7578 * Apply to this text view the given extracted text, as previously 7579 * returned by {@link #extractText(ExtractedTextRequest, ExtractedText)}. 7580 */ 7581 public void setExtractedText(ExtractedText text) { 7582 Editable content = getEditableText(); 7583 if (text.text != null) { 7584 if (content == null) { 7585 setText(text.text, TextView.BufferType.EDITABLE); 7586 } else { 7587 int start = 0; 7588 int end = content.length(); 7589 7590 if (text.partialStartOffset >= 0) { 7591 final int N = content.length(); 7592 start = text.partialStartOffset; 7593 if (start > N) start = N; 7594 end = text.partialEndOffset; 7595 if (end > N) end = N; 7596 } 7597 7598 removeParcelableSpans(content, start, end); 7599 if (TextUtils.equals(content.subSequence(start, end), text.text)) { 7600 if (text.text instanceof Spanned) { 7601 // OK to copy spans only. 7602 TextUtils.copySpansFrom((Spanned) text.text, 0, end - start, 7603 Object.class, content, start); 7604 } 7605 } else { 7606 content.replace(start, end, text.text); 7607 } 7608 } 7609 } 7610 7611 // Now set the selection position... make sure it is in range, to 7612 // avoid crashes. If this is a partial update, it is possible that 7613 // the underlying text may have changed, causing us problems here. 7614 // Also we just don't want to trust clients to do the right thing. 7615 Spannable sp = (Spannable) getText(); 7616 final int N = sp.length(); 7617 int start = text.selectionStart; 7618 if (start < 0) { 7619 start = 0; 7620 } else if (start > N) { 7621 start = N; 7622 } 7623 int end = text.selectionEnd; 7624 if (end < 0) { 7625 end = 0; 7626 } else if (end > N) { 7627 end = N; 7628 } 7629 Selection.setSelection(sp, start, end); 7630 7631 // Finally, update the selection mode. 7632 if ((text.flags & ExtractedText.FLAG_SELECTING) != 0) { 7633 MetaKeyKeyListener.startSelecting(this, sp); 7634 } else { 7635 MetaKeyKeyListener.stopSelecting(this, sp); 7636 } 7637 } 7638 7639 /** 7640 * @hide 7641 */ 7642 public void setExtracting(ExtractedTextRequest req) { 7643 if (mEditor.mInputMethodState != null) { 7644 mEditor.mInputMethodState.mExtractedTextRequest = req; 7645 } 7646 // This would stop a possible selection mode, but no such mode is started in case 7647 // extracted mode will start. Some text is selected though, and will trigger an action mode 7648 // in the extracted view. 7649 mEditor.hideCursorAndSpanControllers(); 7650 stopTextActionMode(); 7651 if (mEditor.mSelectionModifierCursorController != null) { 7652 mEditor.mSelectionModifierCursorController.resetTouchOffsets(); 7653 } 7654 } 7655 7656 /** 7657 * Called by the framework in response to a text completion from 7658 * the current input method, provided by it calling 7659 * {@link InputConnection#commitCompletion 7660 * InputConnection.commitCompletion()}. The default implementation does 7661 * nothing; text views that are supporting auto-completion should override 7662 * this to do their desired behavior. 7663 * 7664 * @param text The auto complete text the user has selected. 7665 */ 7666 public void onCommitCompletion(CompletionInfo text) { 7667 // intentionally empty 7668 } 7669 7670 /** 7671 * Called by the framework in response to a text auto-correction (such as fixing a typo using a 7672 * dictionary) from the current input method, provided by it calling 7673 * {@link InputConnection#commitCorrection(CorrectionInfo) InputConnection.commitCorrection()}. 7674 * The default implementation flashes the background of the corrected word to provide 7675 * feedback to the user. 7676 * 7677 * @param info The auto correct info about the text that was corrected. 7678 */ 7679 public void onCommitCorrection(CorrectionInfo info) { 7680 if (mEditor != null) mEditor.onCommitCorrection(info); 7681 } 7682 7683 public void beginBatchEdit() { 7684 if (mEditor != null) mEditor.beginBatchEdit(); 7685 } 7686 7687 public void endBatchEdit() { 7688 if (mEditor != null) mEditor.endBatchEdit(); 7689 } 7690 7691 /** 7692 * Called by the framework in response to a request to begin a batch 7693 * of edit operations through a call to link {@link #beginBatchEdit()}. 7694 */ 7695 public void onBeginBatchEdit() { 7696 // intentionally empty 7697 } 7698 7699 /** 7700 * Called by the framework in response to a request to end a batch 7701 * of edit operations through a call to link {@link #endBatchEdit}. 7702 */ 7703 public void onEndBatchEdit() { 7704 // intentionally empty 7705 } 7706 7707 /** 7708 * Called by the framework in response to a private command from the 7709 * current method, provided by it calling 7710 * {@link InputConnection#performPrivateCommand 7711 * InputConnection.performPrivateCommand()}. 7712 * 7713 * @param action The action name of the command. 7714 * @param data Any additional data for the command. This may be null. 7715 * @return Return true if you handled the command, else false. 7716 */ 7717 public boolean onPrivateIMECommand(String action, Bundle data) { 7718 return false; 7719 } 7720 7721 private void nullLayouts() { 7722 if (mLayout instanceof BoringLayout && mSavedLayout == null) { 7723 mSavedLayout = (BoringLayout) mLayout; 7724 } 7725 if (mHintLayout instanceof BoringLayout && mSavedHintLayout == null) { 7726 mSavedHintLayout = (BoringLayout) mHintLayout; 7727 } 7728 7729 mSavedMarqueeModeLayout = mLayout = mHintLayout = null; 7730 7731 mBoring = mHintBoring = null; 7732 7733 // Since it depends on the value of mLayout 7734 if (mEditor != null) mEditor.prepareCursorControllers(); 7735 } 7736 7737 /** 7738 * Make a new Layout based on the already-measured size of the view, 7739 * on the assumption that it was measured correctly at some point. 7740 */ 7741 private void assumeLayout() { 7742 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7743 7744 if (width < 1) { 7745 width = 0; 7746 } 7747 7748 int physicalWidth = width; 7749 7750 if (mHorizontallyScrolling) { 7751 width = VERY_WIDE; 7752 } 7753 7754 makeNewLayout(width, physicalWidth, UNKNOWN_BORING, UNKNOWN_BORING, 7755 physicalWidth, false); 7756 } 7757 7758 private Layout.Alignment getLayoutAlignment() { 7759 Layout.Alignment alignment; 7760 switch (getTextAlignment()) { 7761 case TEXT_ALIGNMENT_GRAVITY: 7762 switch (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) { 7763 case Gravity.START: 7764 alignment = Layout.Alignment.ALIGN_NORMAL; 7765 break; 7766 case Gravity.END: 7767 alignment = Layout.Alignment.ALIGN_OPPOSITE; 7768 break; 7769 case Gravity.LEFT: 7770 alignment = Layout.Alignment.ALIGN_LEFT; 7771 break; 7772 case Gravity.RIGHT: 7773 alignment = Layout.Alignment.ALIGN_RIGHT; 7774 break; 7775 case Gravity.CENTER_HORIZONTAL: 7776 alignment = Layout.Alignment.ALIGN_CENTER; 7777 break; 7778 default: 7779 alignment = Layout.Alignment.ALIGN_NORMAL; 7780 break; 7781 } 7782 break; 7783 case TEXT_ALIGNMENT_TEXT_START: 7784 alignment = Layout.Alignment.ALIGN_NORMAL; 7785 break; 7786 case TEXT_ALIGNMENT_TEXT_END: 7787 alignment = Layout.Alignment.ALIGN_OPPOSITE; 7788 break; 7789 case TEXT_ALIGNMENT_CENTER: 7790 alignment = Layout.Alignment.ALIGN_CENTER; 7791 break; 7792 case TEXT_ALIGNMENT_VIEW_START: 7793 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) 7794 ? Layout.Alignment.ALIGN_RIGHT : Layout.Alignment.ALIGN_LEFT; 7795 break; 7796 case TEXT_ALIGNMENT_VIEW_END: 7797 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) 7798 ? Layout.Alignment.ALIGN_LEFT : Layout.Alignment.ALIGN_RIGHT; 7799 break; 7800 case TEXT_ALIGNMENT_INHERIT: 7801 // This should never happen as we have already resolved the text alignment 7802 // but better safe than sorry so we just fall through 7803 default: 7804 alignment = Layout.Alignment.ALIGN_NORMAL; 7805 break; 7806 } 7807 return alignment; 7808 } 7809 7810 /** 7811 * The width passed in is now the desired layout width, 7812 * not the full view width with padding. 7813 * {@hide} 7814 */ 7815 protected void makeNewLayout(int wantWidth, int hintWidth, 7816 BoringLayout.Metrics boring, 7817 BoringLayout.Metrics hintBoring, 7818 int ellipsisWidth, boolean bringIntoView) { 7819 stopMarquee(); 7820 7821 // Update "old" cached values 7822 mOldMaximum = mMaximum; 7823 mOldMaxMode = mMaxMode; 7824 7825 mHighlightPathBogus = true; 7826 7827 if (wantWidth < 0) { 7828 wantWidth = 0; 7829 } 7830 if (hintWidth < 0) { 7831 hintWidth = 0; 7832 } 7833 7834 Layout.Alignment alignment = getLayoutAlignment(); 7835 final boolean testDirChange = mSingleLine && mLayout != null 7836 && (alignment == Layout.Alignment.ALIGN_NORMAL 7837 || alignment == Layout.Alignment.ALIGN_OPPOSITE); 7838 int oldDir = 0; 7839 if (testDirChange) oldDir = mLayout.getParagraphDirection(0); 7840 boolean shouldEllipsize = mEllipsize != null && getKeyListener() == null; 7841 final boolean switchEllipsize = mEllipsize == TruncateAt.MARQUEE 7842 && mMarqueeFadeMode != MARQUEE_FADE_NORMAL; 7843 TruncateAt effectiveEllipsize = mEllipsize; 7844 if (mEllipsize == TruncateAt.MARQUEE 7845 && mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 7846 effectiveEllipsize = TruncateAt.END_SMALL; 7847 } 7848 7849 if (mTextDir == null) { 7850 mTextDir = getTextDirectionHeuristic(); 7851 } 7852 7853 mLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, 7854 effectiveEllipsize, effectiveEllipsize == mEllipsize); 7855 if (switchEllipsize) { 7856 TruncateAt oppositeEllipsize = effectiveEllipsize == TruncateAt.MARQUEE 7857 ? TruncateAt.END : TruncateAt.MARQUEE; 7858 mSavedMarqueeModeLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, 7859 shouldEllipsize, oppositeEllipsize, effectiveEllipsize != mEllipsize); 7860 } 7861 7862 shouldEllipsize = mEllipsize != null; 7863 mHintLayout = null; 7864 7865 if (mHint != null) { 7866 if (shouldEllipsize) hintWidth = wantWidth; 7867 7868 if (hintBoring == UNKNOWN_BORING) { 7869 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, 7870 mHintBoring); 7871 if (hintBoring != null) { 7872 mHintBoring = hintBoring; 7873 } 7874 } 7875 7876 if (hintBoring != null) { 7877 if (hintBoring.width <= hintWidth 7878 && (!shouldEllipsize || hintBoring.width <= ellipsisWidth)) { 7879 if (mSavedHintLayout != null) { 7880 mHintLayout = mSavedHintLayout.replaceOrMake(mHint, mTextPaint, 7881 hintWidth, alignment, mSpacingMult, mSpacingAdd, 7882 hintBoring, mIncludePad); 7883 } else { 7884 mHintLayout = BoringLayout.make(mHint, mTextPaint, 7885 hintWidth, alignment, mSpacingMult, mSpacingAdd, 7886 hintBoring, mIncludePad); 7887 } 7888 7889 mSavedHintLayout = (BoringLayout) mHintLayout; 7890 } else if (shouldEllipsize && hintBoring.width <= hintWidth) { 7891 if (mSavedHintLayout != null) { 7892 mHintLayout = mSavedHintLayout.replaceOrMake(mHint, mTextPaint, 7893 hintWidth, alignment, mSpacingMult, mSpacingAdd, 7894 hintBoring, mIncludePad, mEllipsize, 7895 ellipsisWidth); 7896 } else { 7897 mHintLayout = BoringLayout.make(mHint, mTextPaint, 7898 hintWidth, alignment, mSpacingMult, mSpacingAdd, 7899 hintBoring, mIncludePad, mEllipsize, 7900 ellipsisWidth); 7901 } 7902 } 7903 } 7904 // TODO: code duplication with makeSingleLayout() 7905 if (mHintLayout == null) { 7906 StaticLayout.Builder builder = StaticLayout.Builder.obtain(mHint, 0, 7907 mHint.length(), mTextPaint, hintWidth) 7908 .setAlignment(alignment) 7909 .setTextDirection(mTextDir) 7910 .setLineSpacing(mSpacingAdd, mSpacingMult) 7911 .setIncludePad(mIncludePad) 7912 .setBreakStrategy(mBreakStrategy) 7913 .setHyphenationFrequency(mHyphenationFrequency) 7914 .setJustificationMode(mJustificationMode) 7915 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 7916 if (shouldEllipsize) { 7917 builder.setEllipsize(mEllipsize) 7918 .setEllipsizedWidth(ellipsisWidth); 7919 } 7920 mHintLayout = builder.build(); 7921 } 7922 } 7923 7924 if (bringIntoView || (testDirChange && oldDir != mLayout.getParagraphDirection(0))) { 7925 registerForPreDraw(); 7926 } 7927 7928 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 7929 if (!compressText(ellipsisWidth)) { 7930 final int height = mLayoutParams.height; 7931 // If the size of the view does not depend on the size of the text, try to 7932 // start the marquee immediately 7933 if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.MATCH_PARENT) { 7934 startMarquee(); 7935 } else { 7936 // Defer the start of the marquee until we know our width (see setFrame()) 7937 mRestartMarquee = true; 7938 } 7939 } 7940 } 7941 7942 // CursorControllers need a non-null mLayout 7943 if (mEditor != null) mEditor.prepareCursorControllers(); 7944 } 7945 7946 /** 7947 * @hide 7948 */ 7949 protected Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, 7950 Layout.Alignment alignment, boolean shouldEllipsize, TruncateAt effectiveEllipsize, 7951 boolean useSaved) { 7952 Layout result = null; 7953 if (mText instanceof Spannable) { 7954 result = new DynamicLayout(mText, mTransformed, mTextPaint, wantWidth, 7955 alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad, 7956 mBreakStrategy, mHyphenationFrequency, mJustificationMode, 7957 getKeyListener() == null ? effectiveEllipsize : null, ellipsisWidth); 7958 } else { 7959 if (boring == UNKNOWN_BORING) { 7960 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 7961 if (boring != null) { 7962 mBoring = boring; 7963 } 7964 } 7965 7966 if (boring != null) { 7967 if (boring.width <= wantWidth 7968 && (effectiveEllipsize == null || boring.width <= ellipsisWidth)) { 7969 if (useSaved && mSavedLayout != null) { 7970 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 7971 wantWidth, alignment, mSpacingMult, mSpacingAdd, 7972 boring, mIncludePad); 7973 } else { 7974 result = BoringLayout.make(mTransformed, mTextPaint, 7975 wantWidth, alignment, mSpacingMult, mSpacingAdd, 7976 boring, mIncludePad); 7977 } 7978 7979 if (useSaved) { 7980 mSavedLayout = (BoringLayout) result; 7981 } 7982 } else if (shouldEllipsize && boring.width <= wantWidth) { 7983 if (useSaved && mSavedLayout != null) { 7984 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 7985 wantWidth, alignment, mSpacingMult, mSpacingAdd, 7986 boring, mIncludePad, effectiveEllipsize, 7987 ellipsisWidth); 7988 } else { 7989 result = BoringLayout.make(mTransformed, mTextPaint, 7990 wantWidth, alignment, mSpacingMult, mSpacingAdd, 7991 boring, mIncludePad, effectiveEllipsize, 7992 ellipsisWidth); 7993 } 7994 } 7995 } 7996 } 7997 if (result == null) { 7998 StaticLayout.Builder builder = StaticLayout.Builder.obtain(mTransformed, 7999 0, mTransformed.length(), mTextPaint, wantWidth) 8000 .setAlignment(alignment) 8001 .setTextDirection(mTextDir) 8002 .setLineSpacing(mSpacingAdd, mSpacingMult) 8003 .setIncludePad(mIncludePad) 8004 .setBreakStrategy(mBreakStrategy) 8005 .setHyphenationFrequency(mHyphenationFrequency) 8006 .setJustificationMode(mJustificationMode) 8007 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 8008 if (shouldEllipsize) { 8009 builder.setEllipsize(effectiveEllipsize) 8010 .setEllipsizedWidth(ellipsisWidth); 8011 } 8012 // TODO: explore always setting maxLines 8013 result = builder.build(); 8014 } 8015 return result; 8016 } 8017 8018 private boolean compressText(float width) { 8019 if (isHardwareAccelerated()) return false; 8020 8021 // Only compress the text if it hasn't been compressed by the previous pass 8022 if (width > 0.0f && mLayout != null && getLineCount() == 1 && !mUserSetTextScaleX 8023 && mTextPaint.getTextScaleX() == 1.0f) { 8024 final float textWidth = mLayout.getLineWidth(0); 8025 final float overflow = (textWidth + 1.0f - width) / width; 8026 if (overflow > 0.0f && overflow <= Marquee.MARQUEE_DELTA_MAX) { 8027 mTextPaint.setTextScaleX(1.0f - overflow - 0.005f); 8028 post(new Runnable() { 8029 public void run() { 8030 requestLayout(); 8031 } 8032 }); 8033 return true; 8034 } 8035 } 8036 8037 return false; 8038 } 8039 8040 private static int desired(Layout layout) { 8041 int n = layout.getLineCount(); 8042 CharSequence text = layout.getText(); 8043 float max = 0; 8044 8045 // if any line was wrapped, we can't use it. 8046 // but it's ok for the last line not to have a newline 8047 8048 for (int i = 0; i < n - 1; i++) { 8049 if (text.charAt(layout.getLineEnd(i) - 1) != '\n') { 8050 return -1; 8051 } 8052 } 8053 8054 for (int i = 0; i < n; i++) { 8055 max = Math.max(max, layout.getLineWidth(i)); 8056 } 8057 8058 return (int) Math.ceil(max); 8059 } 8060 8061 /** 8062 * Set whether the TextView includes extra top and bottom padding to make 8063 * room for accents that go above the normal ascent and descent. 8064 * The default is true. 8065 * 8066 * @see #getIncludeFontPadding() 8067 * 8068 * @attr ref android.R.styleable#TextView_includeFontPadding 8069 */ 8070 public void setIncludeFontPadding(boolean includepad) { 8071 if (mIncludePad != includepad) { 8072 mIncludePad = includepad; 8073 8074 if (mLayout != null) { 8075 nullLayouts(); 8076 requestLayout(); 8077 invalidate(); 8078 } 8079 } 8080 } 8081 8082 /** 8083 * Gets whether the TextView includes extra top and bottom padding to make 8084 * room for accents that go above the normal ascent and descent. 8085 * 8086 * @see #setIncludeFontPadding(boolean) 8087 * 8088 * @attr ref android.R.styleable#TextView_includeFontPadding 8089 */ 8090 public boolean getIncludeFontPadding() { 8091 return mIncludePad; 8092 } 8093 8094 private static final BoringLayout.Metrics UNKNOWN_BORING = new BoringLayout.Metrics(); 8095 8096 @Override 8097 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 8098 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 8099 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 8100 int widthSize = MeasureSpec.getSize(widthMeasureSpec); 8101 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 8102 8103 int width; 8104 int height; 8105 8106 BoringLayout.Metrics boring = UNKNOWN_BORING; 8107 BoringLayout.Metrics hintBoring = UNKNOWN_BORING; 8108 8109 if (mTextDir == null) { 8110 mTextDir = getTextDirectionHeuristic(); 8111 } 8112 8113 int des = -1; 8114 boolean fromexisting = false; 8115 8116 if (widthMode == MeasureSpec.EXACTLY) { 8117 // Parent has told us how big to be. So be it. 8118 width = widthSize; 8119 } else { 8120 if (mLayout != null && mEllipsize == null) { 8121 des = desired(mLayout); 8122 } 8123 8124 if (des < 0) { 8125 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 8126 if (boring != null) { 8127 mBoring = boring; 8128 } 8129 } else { 8130 fromexisting = true; 8131 } 8132 8133 if (boring == null || boring == UNKNOWN_BORING) { 8134 if (des < 0) { 8135 des = (int) Math.ceil(Layout.getDesiredWidth(mTransformed, 0, 8136 mTransformed.length(), mTextPaint, mTextDir)); 8137 } 8138 width = des; 8139 } else { 8140 width = boring.width; 8141 } 8142 8143 final Drawables dr = mDrawables; 8144 if (dr != null) { 8145 width = Math.max(width, dr.mDrawableWidthTop); 8146 width = Math.max(width, dr.mDrawableWidthBottom); 8147 } 8148 8149 if (mHint != null) { 8150 int hintDes = -1; 8151 int hintWidth; 8152 8153 if (mHintLayout != null && mEllipsize == null) { 8154 hintDes = desired(mHintLayout); 8155 } 8156 8157 if (hintDes < 0) { 8158 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring); 8159 if (hintBoring != null) { 8160 mHintBoring = hintBoring; 8161 } 8162 } 8163 8164 if (hintBoring == null || hintBoring == UNKNOWN_BORING) { 8165 if (hintDes < 0) { 8166 hintDes = (int) Math.ceil(Layout.getDesiredWidth(mHint, 0, mHint.length(), 8167 mTextPaint, mTextDir)); 8168 } 8169 hintWidth = hintDes; 8170 } else { 8171 hintWidth = hintBoring.width; 8172 } 8173 8174 if (hintWidth > width) { 8175 width = hintWidth; 8176 } 8177 } 8178 8179 width += getCompoundPaddingLeft() + getCompoundPaddingRight(); 8180 8181 if (mMaxWidthMode == EMS) { 8182 width = Math.min(width, mMaxWidth * getLineHeight()); 8183 } else { 8184 width = Math.min(width, mMaxWidth); 8185 } 8186 8187 if (mMinWidthMode == EMS) { 8188 width = Math.max(width, mMinWidth * getLineHeight()); 8189 } else { 8190 width = Math.max(width, mMinWidth); 8191 } 8192 8193 // Check against our minimum width 8194 width = Math.max(width, getSuggestedMinimumWidth()); 8195 8196 if (widthMode == MeasureSpec.AT_MOST) { 8197 width = Math.min(widthSize, width); 8198 } 8199 } 8200 8201 int want = width - getCompoundPaddingLeft() - getCompoundPaddingRight(); 8202 int unpaddedWidth = want; 8203 8204 if (mHorizontallyScrolling) want = VERY_WIDE; 8205 8206 int hintWant = want; 8207 int hintWidth = (mHintLayout == null) ? hintWant : mHintLayout.getWidth(); 8208 8209 if (mLayout == null) { 8210 makeNewLayout(want, hintWant, boring, hintBoring, 8211 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 8212 } else { 8213 final boolean layoutChanged = (mLayout.getWidth() != want) || (hintWidth != hintWant) 8214 || (mLayout.getEllipsizedWidth() 8215 != width - getCompoundPaddingLeft() - getCompoundPaddingRight()); 8216 8217 final boolean widthChanged = (mHint == null) && (mEllipsize == null) 8218 && (want > mLayout.getWidth()) 8219 && (mLayout instanceof BoringLayout 8220 || (fromexisting && des >= 0 && des <= want)); 8221 8222 final boolean maximumChanged = (mMaxMode != mOldMaxMode) || (mMaximum != mOldMaximum); 8223 8224 if (layoutChanged || maximumChanged) { 8225 if (!maximumChanged && widthChanged) { 8226 mLayout.increaseWidthTo(want); 8227 } else { 8228 makeNewLayout(want, hintWant, boring, hintBoring, 8229 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 8230 } 8231 } else { 8232 // Nothing has changed 8233 } 8234 } 8235 8236 if (heightMode == MeasureSpec.EXACTLY) { 8237 // Parent has told us how big to be. So be it. 8238 height = heightSize; 8239 mDesiredHeightAtMeasure = -1; 8240 } else { 8241 int desired = getDesiredHeight(); 8242 8243 height = desired; 8244 mDesiredHeightAtMeasure = desired; 8245 8246 if (heightMode == MeasureSpec.AT_MOST) { 8247 height = Math.min(desired, heightSize); 8248 } 8249 } 8250 8251 int unpaddedHeight = height - getCompoundPaddingTop() - getCompoundPaddingBottom(); 8252 if (mMaxMode == LINES && mLayout.getLineCount() > mMaximum) { 8253 unpaddedHeight = Math.min(unpaddedHeight, mLayout.getLineTop(mMaximum)); 8254 } 8255 8256 /* 8257 * We didn't let makeNewLayout() register to bring the cursor into view, 8258 * so do it here if there is any possibility that it is needed. 8259 */ 8260 if (mMovement != null 8261 || mLayout.getWidth() > unpaddedWidth 8262 || mLayout.getHeight() > unpaddedHeight) { 8263 registerForPreDraw(); 8264 } else { 8265 scrollTo(0, 0); 8266 } 8267 8268 setMeasuredDimension(width, height); 8269 } 8270 8271 /** 8272 * Automatically computes and sets the text size. 8273 */ 8274 private void autoSizeText() { 8275 if (!isAutoSizeEnabled()) { 8276 return; 8277 } 8278 8279 if (mNeedsAutoSizeText) { 8280 if (getMeasuredWidth() <= 0 || getMeasuredHeight() <= 0) { 8281 return; 8282 } 8283 8284 final int availableWidth = mHorizontallyScrolling 8285 ? VERY_WIDE 8286 : getMeasuredWidth() - getTotalPaddingLeft() - getTotalPaddingRight(); 8287 final int availableHeight = getMeasuredHeight() - getExtendedPaddingBottom() 8288 - getExtendedPaddingTop(); 8289 8290 if (availableWidth <= 0 || availableHeight <= 0) { 8291 return; 8292 } 8293 8294 synchronized (TEMP_RECTF) { 8295 TEMP_RECTF.setEmpty(); 8296 TEMP_RECTF.right = availableWidth; 8297 TEMP_RECTF.bottom = availableHeight; 8298 final float optimalTextSize = findLargestTextSizeWhichFits(TEMP_RECTF); 8299 8300 if (optimalTextSize != getTextSize()) { 8301 setTextSizeInternal(TypedValue.COMPLEX_UNIT_PX, optimalTextSize, 8302 false /* shouldRequestLayout */); 8303 8304 makeNewLayout(availableWidth, 0 /* hintWidth */, UNKNOWN_BORING, UNKNOWN_BORING, 8305 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), 8306 false /* bringIntoView */); 8307 } 8308 } 8309 } 8310 // Always try to auto-size if enabled. Functions that do not want to trigger auto-sizing 8311 // after the next layout pass should set this to false. 8312 mNeedsAutoSizeText = true; 8313 } 8314 8315 /** 8316 * Performs a binary search to find the largest text size that will still fit within the size 8317 * available to this view. 8318 */ 8319 private int findLargestTextSizeWhichFits(RectF availableSpace) { 8320 final int sizesCount = mAutoSizeTextSizesInPx.length; 8321 if (sizesCount == 0) { 8322 throw new IllegalStateException("No available text sizes to choose from."); 8323 } 8324 8325 int bestSizeIndex = 0; 8326 int lowIndex = bestSizeIndex + 1; 8327 int highIndex = sizesCount - 1; 8328 int sizeToTryIndex; 8329 while (lowIndex <= highIndex) { 8330 sizeToTryIndex = (lowIndex + highIndex) / 2; 8331 if (suggestedSizeFitsInSpace(mAutoSizeTextSizesInPx[sizeToTryIndex], availableSpace)) { 8332 bestSizeIndex = lowIndex; 8333 lowIndex = sizeToTryIndex + 1; 8334 } else { 8335 highIndex = sizeToTryIndex - 1; 8336 bestSizeIndex = highIndex; 8337 } 8338 } 8339 8340 return mAutoSizeTextSizesInPx[bestSizeIndex]; 8341 } 8342 8343 private boolean suggestedSizeFitsInSpace(int suggestedSizeInPx, RectF availableSpace) { 8344 final CharSequence text = mTransformed != null 8345 ? mTransformed 8346 : getText(); 8347 final int maxLines = getMaxLines(); 8348 if (mTempTextPaint == null) { 8349 mTempTextPaint = new TextPaint(); 8350 } else { 8351 mTempTextPaint.reset(); 8352 } 8353 mTempTextPaint.set(getPaint()); 8354 mTempTextPaint.setTextSize(suggestedSizeInPx); 8355 8356 final StaticLayout.Builder layoutBuilder = StaticLayout.Builder.obtain( 8357 text, 0, text.length(), mTempTextPaint, Math.round(availableSpace.right)); 8358 8359 layoutBuilder.setAlignment(getLayoutAlignment()) 8360 .setLineSpacing(getLineSpacingExtra(), getLineSpacingMultiplier()) 8361 .setIncludePad(getIncludeFontPadding()) 8362 .setBreakStrategy(getBreakStrategy()) 8363 .setHyphenationFrequency(getHyphenationFrequency()) 8364 .setJustificationMode(getJustificationMode()) 8365 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE) 8366 .setTextDirection(getTextDirectionHeuristic()); 8367 8368 final StaticLayout layout = layoutBuilder.build(); 8369 8370 // Lines overflow. 8371 if (maxLines != -1 && layout.getLineCount() > maxLines) { 8372 return false; 8373 } 8374 8375 // Height overflow. 8376 if (layout.getHeight() > availableSpace.bottom) { 8377 return false; 8378 } 8379 8380 return true; 8381 } 8382 8383 private int getDesiredHeight() { 8384 return Math.max( 8385 getDesiredHeight(mLayout, true), 8386 getDesiredHeight(mHintLayout, mEllipsize != null)); 8387 } 8388 8389 private int getDesiredHeight(Layout layout, boolean cap) { 8390 if (layout == null) { 8391 return 0; 8392 } 8393 8394 /* 8395 * Don't cap the hint to a certain number of lines. 8396 * (Do cap it, though, if we have a maximum pixel height.) 8397 */ 8398 int desired = layout.getHeight(cap); 8399 8400 final Drawables dr = mDrawables; 8401 if (dr != null) { 8402 desired = Math.max(desired, dr.mDrawableHeightLeft); 8403 desired = Math.max(desired, dr.mDrawableHeightRight); 8404 } 8405 8406 int linecount = layout.getLineCount(); 8407 final int padding = getCompoundPaddingTop() + getCompoundPaddingBottom(); 8408 desired += padding; 8409 8410 if (mMaxMode != LINES) { 8411 desired = Math.min(desired, mMaximum); 8412 } else if (cap && linecount > mMaximum && (layout instanceof DynamicLayout 8413 || layout instanceof BoringLayout)) { 8414 desired = layout.getLineTop(mMaximum); 8415 8416 if (dr != null) { 8417 desired = Math.max(desired, dr.mDrawableHeightLeft); 8418 desired = Math.max(desired, dr.mDrawableHeightRight); 8419 } 8420 8421 desired += padding; 8422 linecount = mMaximum; 8423 } 8424 8425 if (mMinMode == LINES) { 8426 if (linecount < mMinimum) { 8427 desired += getLineHeight() * (mMinimum - linecount); 8428 } 8429 } else { 8430 desired = Math.max(desired, mMinimum); 8431 } 8432 8433 // Check against our minimum height 8434 desired = Math.max(desired, getSuggestedMinimumHeight()); 8435 8436 return desired; 8437 } 8438 8439 /** 8440 * Check whether a change to the existing text layout requires a 8441 * new view layout. 8442 */ 8443 private void checkForResize() { 8444 boolean sizeChanged = false; 8445 8446 if (mLayout != null) { 8447 // Check if our width changed 8448 if (mLayoutParams.width == LayoutParams.WRAP_CONTENT) { 8449 sizeChanged = true; 8450 invalidate(); 8451 } 8452 8453 // Check if our height changed 8454 if (mLayoutParams.height == LayoutParams.WRAP_CONTENT) { 8455 int desiredHeight = getDesiredHeight(); 8456 8457 if (desiredHeight != this.getHeight()) { 8458 sizeChanged = true; 8459 } 8460 } else if (mLayoutParams.height == LayoutParams.MATCH_PARENT) { 8461 if (mDesiredHeightAtMeasure >= 0) { 8462 int desiredHeight = getDesiredHeight(); 8463 8464 if (desiredHeight != mDesiredHeightAtMeasure) { 8465 sizeChanged = true; 8466 } 8467 } 8468 } 8469 } 8470 8471 if (sizeChanged) { 8472 requestLayout(); 8473 // caller will have already invalidated 8474 } 8475 } 8476 8477 /** 8478 * Check whether entirely new text requires a new view layout 8479 * or merely a new text layout. 8480 */ 8481 private void checkForRelayout() { 8482 // If we have a fixed width, we can just swap in a new text layout 8483 // if the text height stays the same or if the view height is fixed. 8484 8485 if ((mLayoutParams.width != LayoutParams.WRAP_CONTENT 8486 || (mMaxWidthMode == mMinWidthMode && mMaxWidth == mMinWidth)) 8487 && (mHint == null || mHintLayout != null) 8488 && (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight() > 0)) { 8489 // Static width, so try making a new text layout. 8490 8491 int oldht = mLayout.getHeight(); 8492 int want = mLayout.getWidth(); 8493 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 8494 8495 /* 8496 * No need to bring the text into view, since the size is not 8497 * changing (unless we do the requestLayout(), in which case it 8498 * will happen at measure). 8499 */ 8500 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 8501 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), 8502 false); 8503 8504 if (mEllipsize != TextUtils.TruncateAt.MARQUEE) { 8505 // In a fixed-height view, so use our new text layout. 8506 if (mLayoutParams.height != LayoutParams.WRAP_CONTENT 8507 && mLayoutParams.height != LayoutParams.MATCH_PARENT) { 8508 autoSizeText(); 8509 invalidate(); 8510 return; 8511 } 8512 8513 // Dynamic height, but height has stayed the same, 8514 // so use our new text layout. 8515 if (mLayout.getHeight() == oldht 8516 && (mHintLayout == null || mHintLayout.getHeight() == oldht)) { 8517 autoSizeText(); 8518 invalidate(); 8519 return; 8520 } 8521 } 8522 8523 // We lose: the height has changed and we have a dynamic height. 8524 // Request a new view layout using our new text layout. 8525 requestLayout(); 8526 invalidate(); 8527 } else { 8528 // Dynamic width, so we have no choice but to request a new 8529 // view layout with a new text layout. 8530 nullLayouts(); 8531 requestLayout(); 8532 invalidate(); 8533 } 8534 } 8535 8536 @Override 8537 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 8538 super.onLayout(changed, left, top, right, bottom); 8539 if (mDeferScroll >= 0) { 8540 int curs = mDeferScroll; 8541 mDeferScroll = -1; 8542 bringPointIntoView(Math.min(curs, mText.length())); 8543 } 8544 // Call auto-size after the width and height have been calculated. 8545 autoSizeText(); 8546 } 8547 8548 private boolean isShowingHint() { 8549 return TextUtils.isEmpty(mText) && !TextUtils.isEmpty(mHint); 8550 } 8551 8552 /** 8553 * Returns true if anything changed. 8554 */ 8555 private boolean bringTextIntoView() { 8556 Layout layout = isShowingHint() ? mHintLayout : mLayout; 8557 int line = 0; 8558 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 8559 line = layout.getLineCount() - 1; 8560 } 8561 8562 Layout.Alignment a = layout.getParagraphAlignment(line); 8563 int dir = layout.getParagraphDirection(line); 8564 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 8565 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 8566 int ht = layout.getHeight(); 8567 8568 int scrollx, scrolly; 8569 8570 // Convert to left, center, or right alignment. 8571 if (a == Layout.Alignment.ALIGN_NORMAL) { 8572 a = dir == Layout.DIR_LEFT_TO_RIGHT 8573 ? Layout.Alignment.ALIGN_LEFT : Layout.Alignment.ALIGN_RIGHT; 8574 } else if (a == Layout.Alignment.ALIGN_OPPOSITE) { 8575 a = dir == Layout.DIR_LEFT_TO_RIGHT 8576 ? Layout.Alignment.ALIGN_RIGHT : Layout.Alignment.ALIGN_LEFT; 8577 } 8578 8579 if (a == Layout.Alignment.ALIGN_CENTER) { 8580 /* 8581 * Keep centered if possible, or, if it is too wide to fit, 8582 * keep leading edge in view. 8583 */ 8584 8585 int left = (int) Math.floor(layout.getLineLeft(line)); 8586 int right = (int) Math.ceil(layout.getLineRight(line)); 8587 8588 if (right - left < hspace) { 8589 scrollx = (right + left) / 2 - hspace / 2; 8590 } else { 8591 if (dir < 0) { 8592 scrollx = right - hspace; 8593 } else { 8594 scrollx = left; 8595 } 8596 } 8597 } else if (a == Layout.Alignment.ALIGN_RIGHT) { 8598 int right = (int) Math.ceil(layout.getLineRight(line)); 8599 scrollx = right - hspace; 8600 } else { // a == Layout.Alignment.ALIGN_LEFT (will also be the default) 8601 scrollx = (int) Math.floor(layout.getLineLeft(line)); 8602 } 8603 8604 if (ht < vspace) { 8605 scrolly = 0; 8606 } else { 8607 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 8608 scrolly = ht - vspace; 8609 } else { 8610 scrolly = 0; 8611 } 8612 } 8613 8614 if (scrollx != mScrollX || scrolly != mScrollY) { 8615 scrollTo(scrollx, scrolly); 8616 return true; 8617 } else { 8618 return false; 8619 } 8620 } 8621 8622 /** 8623 * Move the point, specified by the offset, into the view if it is needed. 8624 * This has to be called after layout. Returns true if anything changed. 8625 */ 8626 public boolean bringPointIntoView(int offset) { 8627 if (isLayoutRequested()) { 8628 mDeferScroll = offset; 8629 return false; 8630 } 8631 boolean changed = false; 8632 8633 Layout layout = isShowingHint() ? mHintLayout : mLayout; 8634 8635 if (layout == null) return changed; 8636 8637 int line = layout.getLineForOffset(offset); 8638 8639 int grav; 8640 8641 switch (layout.getParagraphAlignment(line)) { 8642 case ALIGN_LEFT: 8643 grav = 1; 8644 break; 8645 case ALIGN_RIGHT: 8646 grav = -1; 8647 break; 8648 case ALIGN_NORMAL: 8649 grav = layout.getParagraphDirection(line); 8650 break; 8651 case ALIGN_OPPOSITE: 8652 grav = -layout.getParagraphDirection(line); 8653 break; 8654 case ALIGN_CENTER: 8655 default: 8656 grav = 0; 8657 break; 8658 } 8659 8660 // We only want to clamp the cursor to fit within the layout width 8661 // in left-to-right modes, because in a right to left alignment, 8662 // we want to scroll to keep the line-right on the screen, as other 8663 // lines are likely to have text flush with the right margin, which 8664 // we want to keep visible. 8665 // A better long-term solution would probably be to measure both 8666 // the full line and a blank-trimmed version, and, for example, use 8667 // the latter measurement for centering and right alignment, but for 8668 // the time being we only implement the cursor clamping in left to 8669 // right where it is most likely to be annoying. 8670 final boolean clamped = grav > 0; 8671 // FIXME: Is it okay to truncate this, or should we round? 8672 final int x = (int) layout.getPrimaryHorizontal(offset, clamped); 8673 final int top = layout.getLineTop(line); 8674 final int bottom = layout.getLineTop(line + 1); 8675 8676 int left = (int) Math.floor(layout.getLineLeft(line)); 8677 int right = (int) Math.ceil(layout.getLineRight(line)); 8678 int ht = layout.getHeight(); 8679 8680 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 8681 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 8682 if (!mHorizontallyScrolling && right - left > hspace && right > x) { 8683 // If cursor has been clamped, make sure we don't scroll. 8684 right = Math.max(x, left + hspace); 8685 } 8686 8687 int hslack = (bottom - top) / 2; 8688 int vslack = hslack; 8689 8690 if (vslack > vspace / 4) { 8691 vslack = vspace / 4; 8692 } 8693 if (hslack > hspace / 4) { 8694 hslack = hspace / 4; 8695 } 8696 8697 int hs = mScrollX; 8698 int vs = mScrollY; 8699 8700 if (top - vs < vslack) { 8701 vs = top - vslack; 8702 } 8703 if (bottom - vs > vspace - vslack) { 8704 vs = bottom - (vspace - vslack); 8705 } 8706 if (ht - vs < vspace) { 8707 vs = ht - vspace; 8708 } 8709 if (0 - vs > 0) { 8710 vs = 0; 8711 } 8712 8713 if (grav != 0) { 8714 if (x - hs < hslack) { 8715 hs = x - hslack; 8716 } 8717 if (x - hs > hspace - hslack) { 8718 hs = x - (hspace - hslack); 8719 } 8720 } 8721 8722 if (grav < 0) { 8723 if (left - hs > 0) { 8724 hs = left; 8725 } 8726 if (right - hs < hspace) { 8727 hs = right - hspace; 8728 } 8729 } else if (grav > 0) { 8730 if (right - hs < hspace) { 8731 hs = right - hspace; 8732 } 8733 if (left - hs > 0) { 8734 hs = left; 8735 } 8736 } else /* grav == 0 */ { 8737 if (right - left <= hspace) { 8738 /* 8739 * If the entire text fits, center it exactly. 8740 */ 8741 hs = left - (hspace - (right - left)) / 2; 8742 } else if (x > right - hslack) { 8743 /* 8744 * If we are near the right edge, keep the right edge 8745 * at the edge of the view. 8746 */ 8747 hs = right - hspace; 8748 } else if (x < left + hslack) { 8749 /* 8750 * If we are near the left edge, keep the left edge 8751 * at the edge of the view. 8752 */ 8753 hs = left; 8754 } else if (left > hs) { 8755 /* 8756 * Is there whitespace visible at the left? Fix it if so. 8757 */ 8758 hs = left; 8759 } else if (right < hs + hspace) { 8760 /* 8761 * Is there whitespace visible at the right? Fix it if so. 8762 */ 8763 hs = right - hspace; 8764 } else { 8765 /* 8766 * Otherwise, float as needed. 8767 */ 8768 if (x - hs < hslack) { 8769 hs = x - hslack; 8770 } 8771 if (x - hs > hspace - hslack) { 8772 hs = x - (hspace - hslack); 8773 } 8774 } 8775 } 8776 8777 if (hs != mScrollX || vs != mScrollY) { 8778 if (mScroller == null) { 8779 scrollTo(hs, vs); 8780 } else { 8781 long duration = AnimationUtils.currentAnimationTimeMillis() - mLastScroll; 8782 int dx = hs - mScrollX; 8783 int dy = vs - mScrollY; 8784 8785 if (duration > ANIMATED_SCROLL_GAP) { 8786 mScroller.startScroll(mScrollX, mScrollY, dx, dy); 8787 awakenScrollBars(mScroller.getDuration()); 8788 invalidate(); 8789 } else { 8790 if (!mScroller.isFinished()) { 8791 mScroller.abortAnimation(); 8792 } 8793 8794 scrollBy(dx, dy); 8795 } 8796 8797 mLastScroll = AnimationUtils.currentAnimationTimeMillis(); 8798 } 8799 8800 changed = true; 8801 } 8802 8803 if (isFocused()) { 8804 // This offsets because getInterestingRect() is in terms of viewport coordinates, but 8805 // requestRectangleOnScreen() is in terms of content coordinates. 8806 8807 // The offsets here are to ensure the rectangle we are using is 8808 // within our view bounds, in case the cursor is on the far left 8809 // or right. If it isn't withing the bounds, then this request 8810 // will be ignored. 8811 if (mTempRect == null) mTempRect = new Rect(); 8812 mTempRect.set(x - 2, top, x + 2, bottom); 8813 getInterestingRect(mTempRect, line); 8814 mTempRect.offset(mScrollX, mScrollY); 8815 8816 if (requestRectangleOnScreen(mTempRect)) { 8817 changed = true; 8818 } 8819 } 8820 8821 return changed; 8822 } 8823 8824 /** 8825 * Move the cursor, if needed, so that it is at an offset that is visible 8826 * to the user. This will not move the cursor if it represents more than 8827 * one character (a selection range). This will only work if the 8828 * TextView contains spannable text; otherwise it will do nothing. 8829 * 8830 * @return True if the cursor was actually moved, false otherwise. 8831 */ 8832 public boolean moveCursorToVisibleOffset() { 8833 if (!(mText instanceof Spannable)) { 8834 return false; 8835 } 8836 int start = getSelectionStart(); 8837 int end = getSelectionEnd(); 8838 if (start != end) { 8839 return false; 8840 } 8841 8842 // First: make sure the line is visible on screen: 8843 8844 int line = mLayout.getLineForOffset(start); 8845 8846 final int top = mLayout.getLineTop(line); 8847 final int bottom = mLayout.getLineTop(line + 1); 8848 final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 8849 int vslack = (bottom - top) / 2; 8850 if (vslack > vspace / 4) { 8851 vslack = vspace / 4; 8852 } 8853 final int vs = mScrollY; 8854 8855 if (top < (vs + vslack)) { 8856 line = mLayout.getLineForVertical(vs + vslack + (bottom - top)); 8857 } else if (bottom > (vspace + vs - vslack)) { 8858 line = mLayout.getLineForVertical(vspace + vs - vslack - (bottom - top)); 8859 } 8860 8861 // Next: make sure the character is visible on screen: 8862 8863 final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 8864 final int hs = mScrollX; 8865 final int leftChar = mLayout.getOffsetForHorizontal(line, hs); 8866 final int rightChar = mLayout.getOffsetForHorizontal(line, hspace + hs); 8867 8868 // line might contain bidirectional text 8869 final int lowChar = leftChar < rightChar ? leftChar : rightChar; 8870 final int highChar = leftChar > rightChar ? leftChar : rightChar; 8871 8872 int newStart = start; 8873 if (newStart < lowChar) { 8874 newStart = lowChar; 8875 } else if (newStart > highChar) { 8876 newStart = highChar; 8877 } 8878 8879 if (newStart != start) { 8880 Selection.setSelection((Spannable) mText, newStart); 8881 return true; 8882 } 8883 8884 return false; 8885 } 8886 8887 @Override 8888 public void computeScroll() { 8889 if (mScroller != null) { 8890 if (mScroller.computeScrollOffset()) { 8891 mScrollX = mScroller.getCurrX(); 8892 mScrollY = mScroller.getCurrY(); 8893 invalidateParentCaches(); 8894 postInvalidate(); // So we draw again 8895 } 8896 } 8897 } 8898 8899 private void getInterestingRect(Rect r, int line) { 8900 convertFromViewportToContentCoordinates(r); 8901 8902 // Rectangle can can be expanded on first and last line to take 8903 // padding into account. 8904 // TODO Take left/right padding into account too? 8905 if (line == 0) r.top -= getExtendedPaddingTop(); 8906 if (line == mLayout.getLineCount() - 1) r.bottom += getExtendedPaddingBottom(); 8907 } 8908 8909 private void convertFromViewportToContentCoordinates(Rect r) { 8910 final int horizontalOffset = viewportToContentHorizontalOffset(); 8911 r.left += horizontalOffset; 8912 r.right += horizontalOffset; 8913 8914 final int verticalOffset = viewportToContentVerticalOffset(); 8915 r.top += verticalOffset; 8916 r.bottom += verticalOffset; 8917 } 8918 8919 int viewportToContentHorizontalOffset() { 8920 return getCompoundPaddingLeft() - mScrollX; 8921 } 8922 8923 int viewportToContentVerticalOffset() { 8924 int offset = getExtendedPaddingTop() - mScrollY; 8925 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 8926 offset += getVerticalOffset(false); 8927 } 8928 return offset; 8929 } 8930 8931 @Override 8932 public void debug(int depth) { 8933 super.debug(depth); 8934 8935 String output = debugIndent(depth); 8936 output += "frame={" + mLeft + ", " + mTop + ", " + mRight 8937 + ", " + mBottom + "} scroll={" + mScrollX + ", " + mScrollY 8938 + "} "; 8939 8940 if (mText != null) { 8941 8942 output += "mText=\"" + mText + "\" "; 8943 if (mLayout != null) { 8944 output += "mLayout width=" + mLayout.getWidth() 8945 + " height=" + mLayout.getHeight(); 8946 } 8947 } else { 8948 output += "mText=NULL"; 8949 } 8950 Log.d(VIEW_LOG_TAG, output); 8951 } 8952 8953 /** 8954 * Convenience for {@link Selection#getSelectionStart}. 8955 */ 8956 @ViewDebug.ExportedProperty(category = "text") 8957 public int getSelectionStart() { 8958 return Selection.getSelectionStart(getText()); 8959 } 8960 8961 /** 8962 * Convenience for {@link Selection#getSelectionEnd}. 8963 */ 8964 @ViewDebug.ExportedProperty(category = "text") 8965 public int getSelectionEnd() { 8966 return Selection.getSelectionEnd(getText()); 8967 } 8968 8969 /** 8970 * Return true iff there is a selection inside this text view. 8971 */ 8972 public boolean hasSelection() { 8973 final int selectionStart = getSelectionStart(); 8974 final int selectionEnd = getSelectionEnd(); 8975 8976 return selectionStart >= 0 && selectionStart != selectionEnd; 8977 } 8978 8979 String getSelectedText() { 8980 if (!hasSelection()) { 8981 return null; 8982 } 8983 8984 final int start = getSelectionStart(); 8985 final int end = getSelectionEnd(); 8986 return String.valueOf( 8987 start > end ? mText.subSequence(end, start) : mText.subSequence(start, end)); 8988 } 8989 8990 /** 8991 * Sets the properties of this field (lines, horizontally scrolling, 8992 * transformation method) to be for a single-line input. 8993 * 8994 * @attr ref android.R.styleable#TextView_singleLine 8995 */ 8996 public void setSingleLine() { 8997 setSingleLine(true); 8998 } 8999 9000 /** 9001 * Sets the properties of this field to transform input to ALL CAPS 9002 * display. This may use a "small caps" formatting if available. 9003 * This setting will be ignored if this field is editable or selectable. 9004 * 9005 * This call replaces the current transformation method. Disabling this 9006 * will not necessarily restore the previous behavior from before this 9007 * was enabled. 9008 * 9009 * @see #setTransformationMethod(TransformationMethod) 9010 * @attr ref android.R.styleable#TextView_textAllCaps 9011 */ 9012 public void setAllCaps(boolean allCaps) { 9013 if (allCaps) { 9014 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 9015 } else { 9016 setTransformationMethod(null); 9017 } 9018 } 9019 9020 /** 9021 * If true, sets the properties of this field (number of lines, horizontally scrolling, 9022 * transformation method) to be for a single-line input; if false, restores these to the default 9023 * conditions. 9024 * 9025 * Note that the default conditions are not necessarily those that were in effect prior this 9026 * method, and you may want to reset these properties to your custom values. 9027 * 9028 * @attr ref android.R.styleable#TextView_singleLine 9029 */ 9030 @android.view.RemotableViewMethod 9031 public void setSingleLine(boolean singleLine) { 9032 // Could be used, but may break backward compatibility. 9033 // if (mSingleLine == singleLine) return; 9034 setInputTypeSingleLine(singleLine); 9035 applySingleLine(singleLine, true, true); 9036 } 9037 9038 /** 9039 * Adds or remove the EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE on the mInputType. 9040 * @param singleLine 9041 */ 9042 private void setInputTypeSingleLine(boolean singleLine) { 9043 if (mEditor != null 9044 && (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) 9045 == EditorInfo.TYPE_CLASS_TEXT) { 9046 if (singleLine) { 9047 mEditor.mInputType &= ~EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 9048 } else { 9049 mEditor.mInputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 9050 } 9051 } 9052 } 9053 9054 private void applySingleLine(boolean singleLine, boolean applyTransformation, 9055 boolean changeMaxLines) { 9056 mSingleLine = singleLine; 9057 if (singleLine) { 9058 setLines(1); 9059 setHorizontallyScrolling(true); 9060 if (applyTransformation) { 9061 setTransformationMethod(SingleLineTransformationMethod.getInstance()); 9062 } 9063 } else { 9064 if (changeMaxLines) { 9065 setMaxLines(Integer.MAX_VALUE); 9066 } 9067 setHorizontallyScrolling(false); 9068 if (applyTransformation) { 9069 setTransformationMethod(null); 9070 } 9071 } 9072 } 9073 9074 /** 9075 * Causes words in the text that are longer than the view's width 9076 * to be ellipsized instead of broken in the middle. You may also 9077 * want to {@link #setSingleLine} or {@link #setHorizontallyScrolling} 9078 * to constrain the text to a single line. Use <code>null</code> 9079 * to turn off ellipsizing. 9080 * 9081 * If {@link #setMaxLines} has been used to set two or more lines, 9082 * only {@link android.text.TextUtils.TruncateAt#END} and 9083 * {@link android.text.TextUtils.TruncateAt#MARQUEE} are supported 9084 * (other ellipsizing types will not do anything). 9085 * 9086 * @attr ref android.R.styleable#TextView_ellipsize 9087 */ 9088 public void setEllipsize(TextUtils.TruncateAt where) { 9089 // TruncateAt is an enum. != comparison is ok between these singleton objects. 9090 if (mEllipsize != where) { 9091 mEllipsize = where; 9092 9093 if (mLayout != null) { 9094 nullLayouts(); 9095 requestLayout(); 9096 invalidate(); 9097 } 9098 } 9099 } 9100 9101 /** 9102 * Sets how many times to repeat the marquee animation. Only applied if the 9103 * TextView has marquee enabled. Set to -1 to repeat indefinitely. 9104 * 9105 * @see #getMarqueeRepeatLimit() 9106 * 9107 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 9108 */ 9109 public void setMarqueeRepeatLimit(int marqueeLimit) { 9110 mMarqueeRepeatLimit = marqueeLimit; 9111 } 9112 9113 /** 9114 * Gets the number of times the marquee animation is repeated. Only meaningful if the 9115 * TextView has marquee enabled. 9116 * 9117 * @return the number of times the marquee animation is repeated. -1 if the animation 9118 * repeats indefinitely 9119 * 9120 * @see #setMarqueeRepeatLimit(int) 9121 * 9122 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 9123 */ 9124 public int getMarqueeRepeatLimit() { 9125 return mMarqueeRepeatLimit; 9126 } 9127 9128 /** 9129 * Returns where, if anywhere, words that are longer than the view 9130 * is wide should be ellipsized. 9131 */ 9132 @ViewDebug.ExportedProperty 9133 public TextUtils.TruncateAt getEllipsize() { 9134 return mEllipsize; 9135 } 9136 9137 /** 9138 * Set the TextView so that when it takes focus, all the text is 9139 * selected. 9140 * 9141 * @attr ref android.R.styleable#TextView_selectAllOnFocus 9142 */ 9143 @android.view.RemotableViewMethod 9144 public void setSelectAllOnFocus(boolean selectAllOnFocus) { 9145 createEditorIfNeeded(); 9146 mEditor.mSelectAllOnFocus = selectAllOnFocus; 9147 9148 if (selectAllOnFocus && !(mText instanceof Spannable)) { 9149 setText(mText, BufferType.SPANNABLE); 9150 } 9151 } 9152 9153 /** 9154 * Set whether the cursor is visible. The default is true. Note that this property only 9155 * makes sense for editable TextView. 9156 * 9157 * @see #isCursorVisible() 9158 * 9159 * @attr ref android.R.styleable#TextView_cursorVisible 9160 */ 9161 @android.view.RemotableViewMethod 9162 public void setCursorVisible(boolean visible) { 9163 if (visible && mEditor == null) return; // visible is the default value with no edit data 9164 createEditorIfNeeded(); 9165 if (mEditor.mCursorVisible != visible) { 9166 mEditor.mCursorVisible = visible; 9167 invalidate(); 9168 9169 mEditor.makeBlink(); 9170 9171 // InsertionPointCursorController depends on mCursorVisible 9172 mEditor.prepareCursorControllers(); 9173 } 9174 } 9175 9176 /** 9177 * @return whether or not the cursor is visible (assuming this TextView is editable) 9178 * 9179 * @see #setCursorVisible(boolean) 9180 * 9181 * @attr ref android.R.styleable#TextView_cursorVisible 9182 */ 9183 public boolean isCursorVisible() { 9184 // true is the default value 9185 return mEditor == null ? true : mEditor.mCursorVisible; 9186 } 9187 9188 private boolean canMarquee() { 9189 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 9190 return width > 0 && (mLayout.getLineWidth(0) > width 9191 || (mMarqueeFadeMode != MARQUEE_FADE_NORMAL && mSavedMarqueeModeLayout != null 9192 && mSavedMarqueeModeLayout.getLineWidth(0) > width)); 9193 } 9194 9195 private void startMarquee() { 9196 // Do not ellipsize EditText 9197 if (getKeyListener() != null) return; 9198 9199 if (compressText(getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight())) { 9200 return; 9201 } 9202 9203 if ((mMarquee == null || mMarquee.isStopped()) && (isFocused() || isSelected()) 9204 && getLineCount() == 1 && canMarquee()) { 9205 9206 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 9207 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_FADE; 9208 final Layout tmp = mLayout; 9209 mLayout = mSavedMarqueeModeLayout; 9210 mSavedMarqueeModeLayout = tmp; 9211 setHorizontalFadingEdgeEnabled(true); 9212 requestLayout(); 9213 invalidate(); 9214 } 9215 9216 if (mMarquee == null) mMarquee = new Marquee(this); 9217 mMarquee.start(mMarqueeRepeatLimit); 9218 } 9219 } 9220 9221 private void stopMarquee() { 9222 if (mMarquee != null && !mMarquee.isStopped()) { 9223 mMarquee.stop(); 9224 } 9225 9226 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_FADE) { 9227 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 9228 final Layout tmp = mSavedMarqueeModeLayout; 9229 mSavedMarqueeModeLayout = mLayout; 9230 mLayout = tmp; 9231 setHorizontalFadingEdgeEnabled(false); 9232 requestLayout(); 9233 invalidate(); 9234 } 9235 } 9236 9237 private void startStopMarquee(boolean start) { 9238 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 9239 if (start) { 9240 startMarquee(); 9241 } else { 9242 stopMarquee(); 9243 } 9244 } 9245 } 9246 9247 /** 9248 * This method is called when the text is changed, in case any subclasses 9249 * would like to know. 9250 * 9251 * Within <code>text</code>, the <code>lengthAfter</code> characters 9252 * beginning at <code>start</code> have just replaced old text that had 9253 * length <code>lengthBefore</code>. It is an error to attempt to make 9254 * changes to <code>text</code> from this callback. 9255 * 9256 * @param text The text the TextView is displaying 9257 * @param start The offset of the start of the range of the text that was 9258 * modified 9259 * @param lengthBefore The length of the former text that has been replaced 9260 * @param lengthAfter The length of the replacement modified text 9261 */ 9262 protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 9263 // intentionally empty, template pattern method can be overridden by subclasses 9264 } 9265 9266 /** 9267 * This method is called when the selection has changed, in case any 9268 * subclasses would like to know. 9269 * 9270 * @param selStart The new selection start location. 9271 * @param selEnd The new selection end location. 9272 */ 9273 protected void onSelectionChanged(int selStart, int selEnd) { 9274 sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED); 9275 } 9276 9277 /** 9278 * Adds a TextWatcher to the list of those whose methods are called 9279 * whenever this TextView's text changes. 9280 * <p> 9281 * In 1.0, the {@link TextWatcher#afterTextChanged} method was erroneously 9282 * not called after {@link #setText} calls. Now, doing {@link #setText} 9283 * if there are any text changed listeners forces the buffer type to 9284 * Editable if it would not otherwise be and does call this method. 9285 */ 9286 public void addTextChangedListener(TextWatcher watcher) { 9287 if (mListeners == null) { 9288 mListeners = new ArrayList<TextWatcher>(); 9289 } 9290 9291 mListeners.add(watcher); 9292 } 9293 9294 /** 9295 * Removes the specified TextWatcher from the list of those whose 9296 * methods are called 9297 * whenever this TextView's text changes. 9298 */ 9299 public void removeTextChangedListener(TextWatcher watcher) { 9300 if (mListeners != null) { 9301 int i = mListeners.indexOf(watcher); 9302 9303 if (i >= 0) { 9304 mListeners.remove(i); 9305 } 9306 } 9307 } 9308 9309 private void sendBeforeTextChanged(CharSequence text, int start, int before, int after) { 9310 if (mListeners != null) { 9311 final ArrayList<TextWatcher> list = mListeners; 9312 final int count = list.size(); 9313 for (int i = 0; i < count; i++) { 9314 list.get(i).beforeTextChanged(text, start, before, after); 9315 } 9316 } 9317 9318 // The spans that are inside or intersect the modified region no longer make sense 9319 removeIntersectingNonAdjacentSpans(start, start + before, SpellCheckSpan.class); 9320 removeIntersectingNonAdjacentSpans(start, start + before, SuggestionSpan.class); 9321 } 9322 9323 // Removes all spans that are inside or actually overlap the start..end range 9324 private <T> void removeIntersectingNonAdjacentSpans(int start, int end, Class<T> type) { 9325 if (!(mText instanceof Editable)) return; 9326 Editable text = (Editable) mText; 9327 9328 T[] spans = text.getSpans(start, end, type); 9329 final int length = spans.length; 9330 for (int i = 0; i < length; i++) { 9331 final int spanStart = text.getSpanStart(spans[i]); 9332 final int spanEnd = text.getSpanEnd(spans[i]); 9333 if (spanEnd == start || spanStart == end) break; 9334 text.removeSpan(spans[i]); 9335 } 9336 } 9337 9338 void removeAdjacentSuggestionSpans(final int pos) { 9339 if (!(mText instanceof Editable)) return; 9340 final Editable text = (Editable) mText; 9341 9342 final SuggestionSpan[] spans = text.getSpans(pos, pos, SuggestionSpan.class); 9343 final int length = spans.length; 9344 for (int i = 0; i < length; i++) { 9345 final int spanStart = text.getSpanStart(spans[i]); 9346 final int spanEnd = text.getSpanEnd(spans[i]); 9347 if (spanEnd == pos || spanStart == pos) { 9348 if (SpellChecker.haveWordBoundariesChanged(text, pos, pos, spanStart, spanEnd)) { 9349 text.removeSpan(spans[i]); 9350 } 9351 } 9352 } 9353 } 9354 9355 /** 9356 * Not private so it can be called from an inner class without going 9357 * through a thunk. 9358 */ 9359 void sendOnTextChanged(CharSequence text, int start, int before, int after) { 9360 if (mListeners != null) { 9361 final ArrayList<TextWatcher> list = mListeners; 9362 final int count = list.size(); 9363 for (int i = 0; i < count; i++) { 9364 list.get(i).onTextChanged(text, start, before, after); 9365 } 9366 } 9367 9368 if (mEditor != null) mEditor.sendOnTextChanged(start, before, after); 9369 } 9370 9371 /** 9372 * Not private so it can be called from an inner class without going 9373 * through a thunk. 9374 */ 9375 void sendAfterTextChanged(Editable text) { 9376 if (mListeners != null) { 9377 final ArrayList<TextWatcher> list = mListeners; 9378 final int count = list.size(); 9379 for (int i = 0; i < count; i++) { 9380 list.get(i).afterTextChanged(text); 9381 } 9382 } 9383 9384 // Always notify AutoFillManager - it will return right away if autofill is disabled. 9385 notifyAutoFillManagerAfterTextChangedIfNeeded(); 9386 9387 hideErrorIfUnchanged(); 9388 } 9389 9390 private void notifyAutoFillManagerAfterTextChangedIfNeeded() { 9391 // It is important to not check whether the view is important for autofill 9392 // since the user can trigger autofill manually on not important views. 9393 if (!isAutofillable()) { 9394 return; 9395 } 9396 final AutofillManager afm = mContext.getSystemService(AutofillManager.class); 9397 if (afm != null) { 9398 if (DEBUG_AUTOFILL) { 9399 Log.v(LOG_TAG, "sendAfterTextChanged(): notify AFM for text=" + mText); 9400 } 9401 afm.notifyValueChanged(TextView.this); 9402 } 9403 } 9404 9405 private boolean isAutofillable() { 9406 // It is important to not check whether the view is important for autofill 9407 // since the user can trigger autofill manually on not important views. 9408 return getAutofillType() != AUTOFILL_TYPE_NONE; 9409 } 9410 9411 void updateAfterEdit() { 9412 invalidate(); 9413 int curs = getSelectionStart(); 9414 9415 if (curs >= 0 || (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 9416 registerForPreDraw(); 9417 } 9418 9419 checkForResize(); 9420 9421 if (curs >= 0) { 9422 mHighlightPathBogus = true; 9423 if (mEditor != null) mEditor.makeBlink(); 9424 bringPointIntoView(curs); 9425 } 9426 } 9427 9428 /** 9429 * Not private so it can be called from an inner class without going 9430 * through a thunk. 9431 */ 9432 void handleTextChanged(CharSequence buffer, int start, int before, int after) { 9433 sLastCutCopyOrTextChangedTime = 0; 9434 9435 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 9436 if (ims == null || ims.mBatchEditNesting == 0) { 9437 updateAfterEdit(); 9438 } 9439 if (ims != null) { 9440 ims.mContentChanged = true; 9441 if (ims.mChangedStart < 0) { 9442 ims.mChangedStart = start; 9443 ims.mChangedEnd = start + before; 9444 } else { 9445 ims.mChangedStart = Math.min(ims.mChangedStart, start); 9446 ims.mChangedEnd = Math.max(ims.mChangedEnd, start + before - ims.mChangedDelta); 9447 } 9448 ims.mChangedDelta += after - before; 9449 } 9450 resetErrorChangedFlag(); 9451 sendOnTextChanged(buffer, start, before, after); 9452 onTextChanged(buffer, start, before, after); 9453 } 9454 9455 /** 9456 * Not private so it can be called from an inner class without going 9457 * through a thunk. 9458 */ 9459 void spanChange(Spanned buf, Object what, int oldStart, int newStart, int oldEnd, int newEnd) { 9460 // XXX Make the start and end move together if this ends up 9461 // spending too much time invalidating. 9462 9463 boolean selChanged = false; 9464 int newSelStart = -1, newSelEnd = -1; 9465 9466 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 9467 9468 if (what == Selection.SELECTION_END) { 9469 selChanged = true; 9470 newSelEnd = newStart; 9471 9472 if (oldStart >= 0 || newStart >= 0) { 9473 invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart); 9474 checkForResize(); 9475 registerForPreDraw(); 9476 if (mEditor != null) mEditor.makeBlink(); 9477 } 9478 } 9479 9480 if (what == Selection.SELECTION_START) { 9481 selChanged = true; 9482 newSelStart = newStart; 9483 9484 if (oldStart >= 0 || newStart >= 0) { 9485 int end = Selection.getSelectionEnd(buf); 9486 invalidateCursor(end, oldStart, newStart); 9487 } 9488 } 9489 9490 if (selChanged) { 9491 mHighlightPathBogus = true; 9492 if (mEditor != null && !isFocused()) mEditor.mSelectionMoved = true; 9493 9494 if ((buf.getSpanFlags(what) & Spanned.SPAN_INTERMEDIATE) == 0) { 9495 if (newSelStart < 0) { 9496 newSelStart = Selection.getSelectionStart(buf); 9497 } 9498 if (newSelEnd < 0) { 9499 newSelEnd = Selection.getSelectionEnd(buf); 9500 } 9501 9502 if (mEditor != null) { 9503 mEditor.refreshTextActionMode(); 9504 if (!hasSelection() 9505 && mEditor.getTextActionMode() == null && hasTransientState()) { 9506 // User generated selection has been removed. 9507 setHasTransientState(false); 9508 } 9509 } 9510 onSelectionChanged(newSelStart, newSelEnd); 9511 } 9512 } 9513 9514 if (what instanceof UpdateAppearance || what instanceof ParagraphStyle 9515 || what instanceof CharacterStyle) { 9516 if (ims == null || ims.mBatchEditNesting == 0) { 9517 invalidate(); 9518 mHighlightPathBogus = true; 9519 checkForResize(); 9520 } else { 9521 ims.mContentChanged = true; 9522 } 9523 if (mEditor != null) { 9524 if (oldStart >= 0) mEditor.invalidateTextDisplayList(mLayout, oldStart, oldEnd); 9525 if (newStart >= 0) mEditor.invalidateTextDisplayList(mLayout, newStart, newEnd); 9526 mEditor.invalidateHandlesAndActionMode(); 9527 } 9528 } 9529 9530 if (MetaKeyKeyListener.isMetaTracker(buf, what)) { 9531 mHighlightPathBogus = true; 9532 if (ims != null && MetaKeyKeyListener.isSelectingMetaTracker(buf, what)) { 9533 ims.mSelectionModeChanged = true; 9534 } 9535 9536 if (Selection.getSelectionStart(buf) >= 0) { 9537 if (ims == null || ims.mBatchEditNesting == 0) { 9538 invalidateCursor(); 9539 } else { 9540 ims.mCursorChanged = true; 9541 } 9542 } 9543 } 9544 9545 if (what instanceof ParcelableSpan) { 9546 // If this is a span that can be sent to a remote process, 9547 // the current extract editor would be interested in it. 9548 if (ims != null && ims.mExtractedTextRequest != null) { 9549 if (ims.mBatchEditNesting != 0) { 9550 if (oldStart >= 0) { 9551 if (ims.mChangedStart > oldStart) { 9552 ims.mChangedStart = oldStart; 9553 } 9554 if (ims.mChangedStart > oldEnd) { 9555 ims.mChangedStart = oldEnd; 9556 } 9557 } 9558 if (newStart >= 0) { 9559 if (ims.mChangedStart > newStart) { 9560 ims.mChangedStart = newStart; 9561 } 9562 if (ims.mChangedStart > newEnd) { 9563 ims.mChangedStart = newEnd; 9564 } 9565 } 9566 } else { 9567 if (DEBUG_EXTRACT) { 9568 Log.v(LOG_TAG, "Span change outside of batch: " 9569 + oldStart + "-" + oldEnd + "," 9570 + newStart + "-" + newEnd + " " + what); 9571 } 9572 ims.mContentChanged = true; 9573 } 9574 } 9575 } 9576 9577 if (mEditor != null && mEditor.mSpellChecker != null && newStart < 0 9578 && what instanceof SpellCheckSpan) { 9579 mEditor.mSpellChecker.onSpellCheckSpanRemoved((SpellCheckSpan) what); 9580 } 9581 } 9582 9583 @Override 9584 protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 9585 if (isTemporarilyDetached()) { 9586 // If we are temporarily in the detach state, then do nothing. 9587 super.onFocusChanged(focused, direction, previouslyFocusedRect); 9588 return; 9589 } 9590 9591 if (mEditor != null) mEditor.onFocusChanged(focused, direction); 9592 9593 if (focused) { 9594 if (mText instanceof Spannable) { 9595 Spannable sp = (Spannable) mText; 9596 MetaKeyKeyListener.resetMetaState(sp); 9597 } 9598 } 9599 9600 startStopMarquee(focused); 9601 9602 if (mTransformation != null) { 9603 mTransformation.onFocusChanged(this, mText, focused, direction, previouslyFocusedRect); 9604 } 9605 9606 super.onFocusChanged(focused, direction, previouslyFocusedRect); 9607 } 9608 9609 @Override 9610 public void onWindowFocusChanged(boolean hasWindowFocus) { 9611 super.onWindowFocusChanged(hasWindowFocus); 9612 9613 if (mEditor != null) mEditor.onWindowFocusChanged(hasWindowFocus); 9614 9615 startStopMarquee(hasWindowFocus); 9616 } 9617 9618 @Override 9619 protected void onVisibilityChanged(View changedView, int visibility) { 9620 super.onVisibilityChanged(changedView, visibility); 9621 if (mEditor != null && visibility != VISIBLE) { 9622 mEditor.hideCursorAndSpanControllers(); 9623 stopTextActionMode(); 9624 } 9625 } 9626 9627 /** 9628 * Use {@link BaseInputConnection#removeComposingSpans 9629 * BaseInputConnection.removeComposingSpans()} to remove any IME composing 9630 * state from this text view. 9631 */ 9632 public void clearComposingText() { 9633 if (mText instanceof Spannable) { 9634 BaseInputConnection.removeComposingSpans((Spannable) mText); 9635 } 9636 } 9637 9638 @Override 9639 public void setSelected(boolean selected) { 9640 boolean wasSelected = isSelected(); 9641 9642 super.setSelected(selected); 9643 9644 if (selected != wasSelected && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 9645 if (selected) { 9646 startMarquee(); 9647 } else { 9648 stopMarquee(); 9649 } 9650 } 9651 } 9652 9653 @Override 9654 public boolean onTouchEvent(MotionEvent event) { 9655 final int action = event.getActionMasked(); 9656 if (mEditor != null) { 9657 mEditor.onTouchEvent(event); 9658 9659 if (mEditor.mSelectionModifierCursorController != null 9660 && mEditor.mSelectionModifierCursorController.isDragAcceleratorActive()) { 9661 return true; 9662 } 9663 } 9664 9665 final boolean superResult = super.onTouchEvent(event); 9666 9667 /* 9668 * Don't handle the release after a long press, because it will move the selection away from 9669 * whatever the menu action was trying to affect. If the long press should have triggered an 9670 * insertion action mode, we can now actually show it. 9671 */ 9672 if (mEditor != null && mEditor.mDiscardNextActionUp && action == MotionEvent.ACTION_UP) { 9673 mEditor.mDiscardNextActionUp = false; 9674 9675 if (mEditor.mIsInsertionActionModeStartPending) { 9676 mEditor.startInsertionActionMode(); 9677 mEditor.mIsInsertionActionModeStartPending = false; 9678 } 9679 return superResult; 9680 } 9681 9682 final boolean touchIsFinished = (action == MotionEvent.ACTION_UP) 9683 && (mEditor == null || !mEditor.mIgnoreActionUpEvent) && isFocused(); 9684 9685 if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() 9686 && mText instanceof Spannable && mLayout != null) { 9687 boolean handled = false; 9688 9689 if (mMovement != null) { 9690 handled |= mMovement.onTouchEvent(this, (Spannable) mText, event); 9691 } 9692 9693 final boolean textIsSelectable = isTextSelectable(); 9694 if (touchIsFinished && mLinksClickable && mAutoLinkMask != 0 && textIsSelectable) { 9695 // The LinkMovementMethod which should handle taps on links has not been installed 9696 // on non editable text that support text selection. 9697 // We reproduce its behavior here to open links for these. 9698 ClickableSpan[] links = ((Spannable) mText).getSpans(getSelectionStart(), 9699 getSelectionEnd(), ClickableSpan.class); 9700 9701 if (links.length > 0) { 9702 links[0].onClick(this); 9703 handled = true; 9704 } 9705 } 9706 9707 if (touchIsFinished && (isTextEditable() || textIsSelectable)) { 9708 // Show the IME, except when selecting in read-only text. 9709 final InputMethodManager imm = InputMethodManager.peekInstance(); 9710 viewClicked(imm); 9711 if (isTextEditable() && mEditor.mShowSoftInputOnFocus && imm != null) { 9712 imm.showSoftInput(this, 0); 9713 } 9714 9715 // The above condition ensures that the mEditor is not null 9716 mEditor.onTouchUpEvent(event); 9717 9718 handled = true; 9719 } 9720 9721 if (handled) { 9722 return true; 9723 } 9724 } 9725 9726 return superResult; 9727 } 9728 9729 @Override 9730 public boolean onGenericMotionEvent(MotionEvent event) { 9731 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 9732 try { 9733 if (mMovement.onGenericMotionEvent(this, (Spannable) mText, event)) { 9734 return true; 9735 } 9736 } catch (AbstractMethodError ex) { 9737 // onGenericMotionEvent was added to the MovementMethod interface in API 12. 9738 // Ignore its absence in case third party applications implemented the 9739 // interface directly. 9740 } 9741 } 9742 return super.onGenericMotionEvent(event); 9743 } 9744 9745 @Override 9746 protected void onCreateContextMenu(ContextMenu menu) { 9747 if (mEditor != null) { 9748 mEditor.onCreateContextMenu(menu); 9749 } 9750 } 9751 9752 @Override 9753 public boolean showContextMenu() { 9754 if (mEditor != null) { 9755 mEditor.setContextMenuAnchor(Float.NaN, Float.NaN); 9756 } 9757 return super.showContextMenu(); 9758 } 9759 9760 @Override 9761 public boolean showContextMenu(float x, float y) { 9762 if (mEditor != null) { 9763 mEditor.setContextMenuAnchor(x, y); 9764 } 9765 return super.showContextMenu(x, y); 9766 } 9767 9768 /** 9769 * @return True iff this TextView contains a text that can be edited, or if this is 9770 * a selectable TextView. 9771 */ 9772 boolean isTextEditable() { 9773 return mText instanceof Editable && onCheckIsTextEditor() && isEnabled(); 9774 } 9775 9776 /** 9777 * Returns true, only while processing a touch gesture, if the initial 9778 * touch down event caused focus to move to the text view and as a result 9779 * its selection changed. Only valid while processing the touch gesture 9780 * of interest, in an editable text view. 9781 */ 9782 public boolean didTouchFocusSelect() { 9783 return mEditor != null && mEditor.mTouchFocusSelected; 9784 } 9785 9786 @Override 9787 public void cancelLongPress() { 9788 super.cancelLongPress(); 9789 if (mEditor != null) mEditor.mIgnoreActionUpEvent = true; 9790 } 9791 9792 @Override 9793 public boolean onTrackballEvent(MotionEvent event) { 9794 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 9795 if (mMovement.onTrackballEvent(this, (Spannable) mText, event)) { 9796 return true; 9797 } 9798 } 9799 9800 return super.onTrackballEvent(event); 9801 } 9802 9803 /** 9804 * Sets the Scroller used for producing a scrolling animation 9805 * 9806 * @param s A Scroller instance 9807 */ 9808 public void setScroller(Scroller s) { 9809 mScroller = s; 9810 } 9811 9812 @Override 9813 protected float getLeftFadingEdgeStrength() { 9814 if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) { 9815 final Marquee marquee = mMarquee; 9816 if (marquee.shouldDrawLeftFade()) { 9817 return getHorizontalFadingEdgeStrength(marquee.getScroll(), 0.0f); 9818 } else { 9819 return 0.0f; 9820 } 9821 } else if (getLineCount() == 1) { 9822 final float lineLeft = getLayout().getLineLeft(0); 9823 if (lineLeft > mScrollX) return 0.0f; 9824 return getHorizontalFadingEdgeStrength(mScrollX, lineLeft); 9825 } 9826 return super.getLeftFadingEdgeStrength(); 9827 } 9828 9829 @Override 9830 protected float getRightFadingEdgeStrength() { 9831 if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) { 9832 final Marquee marquee = mMarquee; 9833 return getHorizontalFadingEdgeStrength(marquee.getMaxFadeScroll(), marquee.getScroll()); 9834 } else if (getLineCount() == 1) { 9835 final float rightEdge = mScrollX + 9836 (getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight()); 9837 final float lineRight = getLayout().getLineRight(0); 9838 if (lineRight < rightEdge) return 0.0f; 9839 return getHorizontalFadingEdgeStrength(rightEdge, lineRight); 9840 } 9841 return super.getRightFadingEdgeStrength(); 9842 } 9843 9844 /** 9845 * Calculates the fading edge strength as the ratio of the distance between two 9846 * horizontal positions to {@link View#getHorizontalFadingEdgeLength()}. Uses the absolute 9847 * value for the distance calculation. 9848 * 9849 * @param position1 A horizontal position. 9850 * @param position2 A horizontal position. 9851 * @return Fading edge strength between [0.0f, 1.0f]. 9852 */ 9853 @FloatRange(from = 0.0, to = 1.0) 9854 private float getHorizontalFadingEdgeStrength(float position1, float position2) { 9855 final int horizontalFadingEdgeLength = getHorizontalFadingEdgeLength(); 9856 if (horizontalFadingEdgeLength == 0) return 0.0f; 9857 final float diff = Math.abs(position1 - position2); 9858 if (diff > horizontalFadingEdgeLength) return 1.0f; 9859 return diff / horizontalFadingEdgeLength; 9860 } 9861 9862 private boolean isMarqueeFadeEnabled() { 9863 return mEllipsize == TextUtils.TruncateAt.MARQUEE 9864 && mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 9865 } 9866 9867 @Override 9868 protected int computeHorizontalScrollRange() { 9869 if (mLayout != null) { 9870 return mSingleLine && (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.LEFT 9871 ? (int) mLayout.getLineWidth(0) : mLayout.getWidth(); 9872 } 9873 9874 return super.computeHorizontalScrollRange(); 9875 } 9876 9877 @Override 9878 protected int computeVerticalScrollRange() { 9879 if (mLayout != null) { 9880 return mLayout.getHeight(); 9881 } 9882 return super.computeVerticalScrollRange(); 9883 } 9884 9885 @Override 9886 protected int computeVerticalScrollExtent() { 9887 return getHeight() - getCompoundPaddingTop() - getCompoundPaddingBottom(); 9888 } 9889 9890 @Override 9891 public void findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags) { 9892 super.findViewsWithText(outViews, searched, flags); 9893 if (!outViews.contains(this) && (flags & FIND_VIEWS_WITH_TEXT) != 0 9894 && !TextUtils.isEmpty(searched) && !TextUtils.isEmpty(mText)) { 9895 String searchedLowerCase = searched.toString().toLowerCase(); 9896 String textLowerCase = mText.toString().toLowerCase(); 9897 if (textLowerCase.contains(searchedLowerCase)) { 9898 outViews.add(this); 9899 } 9900 } 9901 } 9902 9903 /** 9904 * Type of the text buffer that defines the characteristics of the text such as static, 9905 * styleable, or editable. 9906 */ 9907 public enum BufferType { 9908 NORMAL, SPANNABLE, EDITABLE 9909 } 9910 9911 /** 9912 * Returns the TextView_textColor attribute from the TypedArray, if set, or 9913 * the TextAppearance_textColor from the TextView_textAppearance attribute, 9914 * if TextView_textColor was not set directly. 9915 * 9916 * @removed 9917 */ 9918 public static ColorStateList getTextColors(Context context, TypedArray attrs) { 9919 if (attrs == null) { 9920 // Preserve behavior prior to removal of this API. 9921 throw new NullPointerException(); 9922 } 9923 9924 // It's not safe to use this method from apps. The parameter 'attrs' 9925 // must have been obtained using the TextView filter array which is not 9926 // available to the SDK. As such, we grab a default TypedArray with the 9927 // right filter instead here. 9928 final TypedArray a = context.obtainStyledAttributes(R.styleable.TextView); 9929 ColorStateList colors = a.getColorStateList(R.styleable.TextView_textColor); 9930 if (colors == null) { 9931 final int ap = a.getResourceId(R.styleable.TextView_textAppearance, 0); 9932 if (ap != 0) { 9933 final TypedArray appearance = context.obtainStyledAttributes( 9934 ap, R.styleable.TextAppearance); 9935 colors = appearance.getColorStateList(R.styleable.TextAppearance_textColor); 9936 appearance.recycle(); 9937 } 9938 } 9939 a.recycle(); 9940 9941 return colors; 9942 } 9943 9944 /** 9945 * Returns the default color from the TextView_textColor attribute from the 9946 * AttributeSet, if set, or the default color from the 9947 * TextAppearance_textColor from the TextView_textAppearance attribute, if 9948 * TextView_textColor was not set directly. 9949 * 9950 * @removed 9951 */ 9952 public static int getTextColor(Context context, TypedArray attrs, int def) { 9953 final ColorStateList colors = getTextColors(context, attrs); 9954 if (colors == null) { 9955 return def; 9956 } else { 9957 return colors.getDefaultColor(); 9958 } 9959 } 9960 9961 @Override 9962 public boolean onKeyShortcut(int keyCode, KeyEvent event) { 9963 if (event.hasModifiers(KeyEvent.META_CTRL_ON)) { 9964 // Handle Ctrl-only shortcuts. 9965 switch (keyCode) { 9966 case KeyEvent.KEYCODE_A: 9967 if (canSelectText()) { 9968 return onTextContextMenuItem(ID_SELECT_ALL); 9969 } 9970 break; 9971 case KeyEvent.KEYCODE_Z: 9972 if (canUndo()) { 9973 return onTextContextMenuItem(ID_UNDO); 9974 } 9975 break; 9976 case KeyEvent.KEYCODE_X: 9977 if (canCut()) { 9978 return onTextContextMenuItem(ID_CUT); 9979 } 9980 break; 9981 case KeyEvent.KEYCODE_C: 9982 if (canCopy()) { 9983 return onTextContextMenuItem(ID_COPY); 9984 } 9985 break; 9986 case KeyEvent.KEYCODE_V: 9987 if (canPaste()) { 9988 return onTextContextMenuItem(ID_PASTE); 9989 } 9990 break; 9991 } 9992 } else if (event.hasModifiers(KeyEvent.META_CTRL_ON | KeyEvent.META_SHIFT_ON)) { 9993 // Handle Ctrl-Shift shortcuts. 9994 switch (keyCode) { 9995 case KeyEvent.KEYCODE_Z: 9996 if (canRedo()) { 9997 return onTextContextMenuItem(ID_REDO); 9998 } 9999 break; 10000 case KeyEvent.KEYCODE_V: 10001 if (canPaste()) { 10002 return onTextContextMenuItem(ID_PASTE_AS_PLAIN_TEXT); 10003 } 10004 } 10005 } 10006 return super.onKeyShortcut(keyCode, event); 10007 } 10008 10009 /** 10010 * Unlike {@link #textCanBeSelected()}, this method is based on the <i>current</i> state of the 10011 * TextView. {@link #textCanBeSelected()} has to be true (this is one of the conditions to have 10012 * a selection controller (see {@link Editor#prepareCursorControllers()}), but this is not 10013 * sufficient. 10014 */ 10015 boolean canSelectText() { 10016 return mText.length() != 0 && mEditor != null && mEditor.hasSelectionController(); 10017 } 10018 10019 /** 10020 * Test based on the <i>intrinsic</i> charateristics of the TextView. 10021 * The text must be spannable and the movement method must allow for arbitary selection. 10022 * 10023 * See also {@link #canSelectText()}. 10024 */ 10025 boolean textCanBeSelected() { 10026 // prepareCursorController() relies on this method. 10027 // If you change this condition, make sure prepareCursorController is called anywhere 10028 // the value of this condition might be changed. 10029 if (mMovement == null || !mMovement.canSelectArbitrarily()) return false; 10030 return isTextEditable() 10031 || (isTextSelectable() && mText instanceof Spannable && isEnabled()); 10032 } 10033 10034 private Locale getTextServicesLocale(boolean allowNullLocale) { 10035 // Start fetching the text services locale asynchronously. 10036 updateTextServicesLocaleAsync(); 10037 // If !allowNullLocale and there is no cached text services locale, just return the default 10038 // locale. 10039 return (mCurrentSpellCheckerLocaleCache == null && !allowNullLocale) ? Locale.getDefault() 10040 : mCurrentSpellCheckerLocaleCache; 10041 } 10042 10043 /** 10044 * This is a temporary method. Future versions may support multi-locale text. 10045 * Caveat: This method may not return the latest text services locale, but this should be 10046 * acceptable and it's more important to make this method asynchronous. 10047 * 10048 * @return The locale that should be used for a word iterator 10049 * in this TextView, based on the current spell checker settings, 10050 * the current IME's locale, or the system default locale. 10051 * Please note that a word iterator in this TextView is different from another word iterator 10052 * used by SpellChecker.java of TextView. This method should be used for the former. 10053 * @hide 10054 */ 10055 // TODO: Support multi-locale 10056 // TODO: Update the text services locale immediately after the keyboard locale is switched 10057 // by catching intent of keyboard switch event 10058 public Locale getTextServicesLocale() { 10059 return getTextServicesLocale(false /* allowNullLocale */); 10060 } 10061 10062 /** 10063 * @return {@code true} if this TextView is specialized for showing and interacting with the 10064 * extracted text in a full-screen input method. 10065 * @hide 10066 */ 10067 public boolean isInExtractedMode() { 10068 return false; 10069 } 10070 10071 /** 10072 * @return {@code true} if this widget supports auto-sizing text and has been configured to 10073 * auto-size. 10074 */ 10075 private boolean isAutoSizeEnabled() { 10076 return supportsAutoSizeText() && mAutoSizeTextType != AUTO_SIZE_TEXT_TYPE_NONE; 10077 } 10078 10079 /** 10080 * @return {@code true} if this TextView supports auto-sizing text to fit within its container. 10081 * @hide 10082 */ 10083 protected boolean supportsAutoSizeText() { 10084 return true; 10085 } 10086 10087 /** 10088 * This is a temporary method. Future versions may support multi-locale text. 10089 * Caveat: This method may not return the latest spell checker locale, but this should be 10090 * acceptable and it's more important to make this method asynchronous. 10091 * 10092 * @return The locale that should be used for a spell checker in this TextView, 10093 * based on the current spell checker settings, the current IME's locale, or the system default 10094 * locale. 10095 * @hide 10096 */ 10097 public Locale getSpellCheckerLocale() { 10098 return getTextServicesLocale(true /* allowNullLocale */); 10099 } 10100 10101 private void updateTextServicesLocaleAsync() { 10102 // AsyncTask.execute() uses a serial executor which means we don't have 10103 // to lock around updateTextServicesLocaleLocked() to prevent it from 10104 // being executed n times in parallel. 10105 AsyncTask.execute(new Runnable() { 10106 @Override 10107 public void run() { 10108 updateTextServicesLocaleLocked(); 10109 } 10110 }); 10111 } 10112 10113 private void updateTextServicesLocaleLocked() { 10114 final TextServicesManager textServicesManager = (TextServicesManager) 10115 mContext.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE); 10116 final SpellCheckerSubtype subtype = textServicesManager.getCurrentSpellCheckerSubtype(true); 10117 final Locale locale; 10118 if (subtype != null) { 10119 locale = subtype.getLocaleObject(); 10120 } else { 10121 locale = null; 10122 } 10123 mCurrentSpellCheckerLocaleCache = locale; 10124 } 10125 10126 void onLocaleChanged() { 10127 mEditor.onLocaleChanged(); 10128 } 10129 10130 /** 10131 * This method is used by the ArrowKeyMovementMethod to jump from one word to the other. 10132 * Made available to achieve a consistent behavior. 10133 * @hide 10134 */ 10135 public WordIterator getWordIterator() { 10136 if (mEditor != null) { 10137 return mEditor.getWordIterator(); 10138 } else { 10139 return null; 10140 } 10141 } 10142 10143 /** @hide */ 10144 @Override 10145 public void onPopulateAccessibilityEventInternal(AccessibilityEvent event) { 10146 super.onPopulateAccessibilityEventInternal(event); 10147 10148 final CharSequence text = getTextForAccessibility(); 10149 if (!TextUtils.isEmpty(text)) { 10150 event.getText().add(text); 10151 } 10152 } 10153 10154 @Override 10155 public CharSequence getAccessibilityClassName() { 10156 return TextView.class.getName(); 10157 } 10158 10159 @Override 10160 public void onProvideStructure(ViewStructure structure) { 10161 super.onProvideStructure(structure); 10162 onProvideAutoStructureForAssistOrAutofill(structure, false); 10163 } 10164 10165 @Override 10166 public void onProvideAutofillStructure(ViewStructure structure, int flags) { 10167 super.onProvideAutofillStructure(structure, flags); 10168 onProvideAutoStructureForAssistOrAutofill(structure, true); 10169 } 10170 10171 private void onProvideAutoStructureForAssistOrAutofill(ViewStructure structure, 10172 boolean forAutofill) { 10173 final boolean isPassword = hasPasswordTransformationMethod() 10174 || isPasswordInputType(getInputType()); 10175 if (forAutofill) { 10176 structure.setDataIsSensitive(!mTextFromResource); 10177 } 10178 10179 if (!isPassword || forAutofill) { 10180 if (mLayout == null) { 10181 assumeLayout(); 10182 } 10183 Layout layout = mLayout; 10184 final int lineCount = layout.getLineCount(); 10185 if (lineCount <= 1) { 10186 // Simple case: this is a single line. 10187 final CharSequence text = getText(); 10188 if (forAutofill) { 10189 structure.setText(text); 10190 } else { 10191 structure.setText(text, getSelectionStart(), getSelectionEnd()); 10192 } 10193 } else { 10194 // Complex case: multi-line, could be scrolled or within a scroll container 10195 // so some lines are not visible. 10196 final int[] tmpCords = new int[2]; 10197 getLocationInWindow(tmpCords); 10198 final int topWindowLocation = tmpCords[1]; 10199 View root = this; 10200 ViewParent viewParent = getParent(); 10201 while (viewParent instanceof View) { 10202 root = (View) viewParent; 10203 viewParent = root.getParent(); 10204 } 10205 final int windowHeight = root.getHeight(); 10206 final int topLine; 10207 final int bottomLine; 10208 if (topWindowLocation >= 0) { 10209 // The top of the view is fully within its window; start text at line 0. 10210 topLine = getLineAtCoordinateUnclamped(0); 10211 bottomLine = getLineAtCoordinateUnclamped(windowHeight - 1); 10212 } else { 10213 // The top of hte window has scrolled off the top of the window; figure out 10214 // the starting line for this. 10215 topLine = getLineAtCoordinateUnclamped(-topWindowLocation); 10216 bottomLine = getLineAtCoordinateUnclamped(windowHeight - 1 - topWindowLocation); 10217 } 10218 // We want to return some contextual lines above/below the lines that are 10219 // actually visible. 10220 int expandedTopLine = topLine - (bottomLine - topLine) / 2; 10221 if (expandedTopLine < 0) { 10222 expandedTopLine = 0; 10223 } 10224 int expandedBottomLine = bottomLine + (bottomLine - topLine) / 2; 10225 if (expandedBottomLine >= lineCount) { 10226 expandedBottomLine = lineCount - 1; 10227 } 10228 10229 // Convert lines into character offsets. 10230 int expandedTopChar = layout.getLineStart(expandedTopLine); 10231 int expandedBottomChar = layout.getLineEnd(expandedBottomLine); 10232 10233 // Take into account selection -- if there is a selection, we need to expand 10234 // the text we are returning to include that selection. 10235 final int selStart = getSelectionStart(); 10236 final int selEnd = getSelectionEnd(); 10237 if (selStart < selEnd) { 10238 if (selStart < expandedTopChar) { 10239 expandedTopChar = selStart; 10240 } 10241 if (selEnd > expandedBottomChar) { 10242 expandedBottomChar = selEnd; 10243 } 10244 } 10245 10246 // Get the text and trim it to the range we are reporting. 10247 CharSequence text = getText(); 10248 if (expandedTopChar > 0 || expandedBottomChar < text.length()) { 10249 text = text.subSequence(expandedTopChar, expandedBottomChar); 10250 } 10251 10252 if (forAutofill) { 10253 structure.setText(text); 10254 } else { 10255 structure.setText(text, selStart - expandedTopChar, selEnd - expandedTopChar); 10256 10257 final int[] lineOffsets = new int[bottomLine - topLine + 1]; 10258 final int[] lineBaselines = new int[bottomLine - topLine + 1]; 10259 final int baselineOffset = getBaselineOffset(); 10260 for (int i = topLine; i <= bottomLine; i++) { 10261 lineOffsets[i - topLine] = layout.getLineStart(i); 10262 lineBaselines[i - topLine] = layout.getLineBaseline(i) + baselineOffset; 10263 } 10264 structure.setTextLines(lineOffsets, lineBaselines); 10265 } 10266 } 10267 10268 if (!forAutofill) { 10269 // Extract style information that applies to the TextView as a whole. 10270 int style = 0; 10271 int typefaceStyle = getTypefaceStyle(); 10272 if ((typefaceStyle & Typeface.BOLD) != 0) { 10273 style |= AssistStructure.ViewNode.TEXT_STYLE_BOLD; 10274 } 10275 if ((typefaceStyle & Typeface.ITALIC) != 0) { 10276 style |= AssistStructure.ViewNode.TEXT_STYLE_ITALIC; 10277 } 10278 10279 // Global styles can also be set via TextView.setPaintFlags(). 10280 int paintFlags = mTextPaint.getFlags(); 10281 if ((paintFlags & Paint.FAKE_BOLD_TEXT_FLAG) != 0) { 10282 style |= AssistStructure.ViewNode.TEXT_STYLE_BOLD; 10283 } 10284 if ((paintFlags & Paint.UNDERLINE_TEXT_FLAG) != 0) { 10285 style |= AssistStructure.ViewNode.TEXT_STYLE_UNDERLINE; 10286 } 10287 if ((paintFlags & Paint.STRIKE_THRU_TEXT_FLAG) != 0) { 10288 style |= AssistStructure.ViewNode.TEXT_STYLE_STRIKE_THRU; 10289 } 10290 10291 // TextView does not have its own text background color. A background is either part 10292 // of the View (and can be any drawable) or a BackgroundColorSpan inside the text. 10293 structure.setTextStyle(getTextSize(), getCurrentTextColor(), 10294 AssistStructure.ViewNode.TEXT_COLOR_UNDEFINED /* bgColor */, style); 10295 } 10296 } 10297 structure.setHint(getHint()); 10298 structure.setInputType(getInputType()); 10299 } 10300 10301 boolean canRequestAutofill() { 10302 if (!isAutofillable()) { 10303 return false; 10304 } 10305 final AutofillManager afm = mContext.getSystemService(AutofillManager.class); 10306 if (afm != null) { 10307 return afm.isEnabled(); 10308 } 10309 return false; 10310 } 10311 10312 private void requestAutofill() { 10313 final AutofillManager afm = mContext.getSystemService(AutofillManager.class); 10314 if (afm != null) { 10315 afm.requestAutofill(this); 10316 } 10317 } 10318 10319 @Override 10320 public void autofill(AutofillValue value) { 10321 if (!value.isText() || !isTextEditable()) { 10322 Log.w(LOG_TAG, value + " could not be autofilled into " + this); 10323 return; 10324 } 10325 10326 final CharSequence autofilledValue = value.getTextValue(); 10327 10328 // First autofill it... 10329 setText(autofilledValue, mBufferType, true, 0); 10330 10331 // ...then move cursor to the end. 10332 final CharSequence text = getText(); 10333 if ((text instanceof Spannable)) { 10334 Selection.setSelection((Spannable) text, text.length()); 10335 } 10336 } 10337 10338 @Override 10339 public @AutofillType int getAutofillType() { 10340 return isTextEditable() ? AUTOFILL_TYPE_TEXT : AUTOFILL_TYPE_NONE; 10341 } 10342 10343 @Override 10344 @Nullable 10345 public AutofillValue getAutofillValue() { 10346 return isTextEditable() ? AutofillValue.forText(getText()) : null; 10347 } 10348 10349 /** @hide */ 10350 @Override 10351 public void onInitializeAccessibilityEventInternal(AccessibilityEvent event) { 10352 super.onInitializeAccessibilityEventInternal(event); 10353 10354 final boolean isPassword = hasPasswordTransformationMethod(); 10355 event.setPassword(isPassword); 10356 10357 if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED) { 10358 event.setFromIndex(Selection.getSelectionStart(mText)); 10359 event.setToIndex(Selection.getSelectionEnd(mText)); 10360 event.setItemCount(mText.length()); 10361 } 10362 } 10363 10364 /** @hide */ 10365 @Override 10366 public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) { 10367 super.onInitializeAccessibilityNodeInfoInternal(info); 10368 10369 final boolean isPassword = hasPasswordTransformationMethod(); 10370 info.setPassword(isPassword); 10371 info.setText(getTextForAccessibility()); 10372 info.setHintText(mHint); 10373 info.setShowingHintText(isShowingHint()); 10374 10375 if (mBufferType == BufferType.EDITABLE) { 10376 info.setEditable(true); 10377 if (isEnabled()) { 10378 info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SET_TEXT); 10379 } 10380 } 10381 10382 if (mEditor != null) { 10383 info.setInputType(mEditor.mInputType); 10384 10385 if (mEditor.mError != null) { 10386 info.setContentInvalid(true); 10387 info.setError(mEditor.mError); 10388 } 10389 } 10390 10391 if (!TextUtils.isEmpty(mText)) { 10392 info.addAction(AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY); 10393 info.addAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY); 10394 info.setMovementGranularities(AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER 10395 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD 10396 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE 10397 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PARAGRAPH 10398 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE); 10399 info.addAction(AccessibilityNodeInfo.ACTION_SET_SELECTION); 10400 info.setAvailableExtraData( 10401 Arrays.asList(EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY)); 10402 } 10403 10404 if (isFocused()) { 10405 if (canCopy()) { 10406 info.addAction(AccessibilityNodeInfo.ACTION_COPY); 10407 } 10408 if (canPaste()) { 10409 info.addAction(AccessibilityNodeInfo.ACTION_PASTE); 10410 } 10411 if (canCut()) { 10412 info.addAction(AccessibilityNodeInfo.ACTION_CUT); 10413 } 10414 if (canShare()) { 10415 info.addAction(new AccessibilityNodeInfo.AccessibilityAction( 10416 ACCESSIBILITY_ACTION_SHARE, 10417 getResources().getString(com.android.internal.R.string.share))); 10418 } 10419 if (canProcessText()) { // also implies mEditor is not null. 10420 mEditor.mProcessTextIntentActionsHandler.onInitializeAccessibilityNodeInfo(info); 10421 } 10422 } 10423 10424 // Check for known input filter types. 10425 final int numFilters = mFilters.length; 10426 for (int i = 0; i < numFilters; i++) { 10427 final InputFilter filter = mFilters[i]; 10428 if (filter instanceof InputFilter.LengthFilter) { 10429 info.setMaxTextLength(((InputFilter.LengthFilter) filter).getMax()); 10430 } 10431 } 10432 10433 if (!isSingleLine()) { 10434 info.setMultiLine(true); 10435 } 10436 } 10437 10438 @Override 10439 public void addExtraDataToAccessibilityNodeInfo( 10440 AccessibilityNodeInfo info, String extraDataKey, Bundle arguments) { 10441 // The only extra data we support requires arguments. 10442 if (arguments == null) { 10443 return; 10444 } 10445 if (extraDataKey.equals(EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY)) { 10446 int positionInfoStartIndex = arguments.getInt( 10447 EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX, -1); 10448 int positionInfoLength = arguments.getInt( 10449 EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH, -1); 10450 if ((positionInfoLength <= 0) || (positionInfoStartIndex < 0) 10451 || (positionInfoStartIndex >= mText.length())) { 10452 Log.e(LOG_TAG, "Invalid arguments for accessibility character locations"); 10453 return; 10454 } 10455 RectF[] boundingRects = new RectF[positionInfoLength]; 10456 final CursorAnchorInfo.Builder builder = new CursorAnchorInfo.Builder(); 10457 populateCharacterBounds(builder, positionInfoStartIndex, 10458 positionInfoStartIndex + positionInfoLength, 10459 viewportToContentHorizontalOffset(), viewportToContentVerticalOffset()); 10460 CursorAnchorInfo cursorAnchorInfo = builder.setMatrix(null).build(); 10461 for (int i = 0; i < positionInfoLength; i++) { 10462 int flags = cursorAnchorInfo.getCharacterBoundsFlags(positionInfoStartIndex + i); 10463 if ((flags & FLAG_HAS_VISIBLE_REGION) == FLAG_HAS_VISIBLE_REGION) { 10464 RectF bounds = cursorAnchorInfo 10465 .getCharacterBounds(positionInfoStartIndex + i); 10466 if (bounds != null) { 10467 mapRectFromViewToScreenCoords(bounds, true); 10468 boundingRects[i] = bounds; 10469 } 10470 } 10471 } 10472 info.getExtras().putParcelableArray(extraDataKey, boundingRects); 10473 } 10474 } 10475 10476 /** 10477 * Populate requested character bounds in a {@link CursorAnchorInfo.Builder} 10478 * 10479 * @param builder The builder to populate 10480 * @param startIndex The starting character index to populate 10481 * @param endIndex The ending character index to populate 10482 * @param viewportToContentHorizontalOffset The horizontal offset from the viewport to the 10483 * content 10484 * @param viewportToContentVerticalOffset The vertical offset from the viewport to the content 10485 * @hide 10486 */ 10487 public void populateCharacterBounds(CursorAnchorInfo.Builder builder, 10488 int startIndex, int endIndex, float viewportToContentHorizontalOffset, 10489 float viewportToContentVerticalOffset) { 10490 final int minLine = mLayout.getLineForOffset(startIndex); 10491 final int maxLine = mLayout.getLineForOffset(endIndex - 1); 10492 for (int line = minLine; line <= maxLine; ++line) { 10493 final int lineStart = mLayout.getLineStart(line); 10494 final int lineEnd = mLayout.getLineEnd(line); 10495 final int offsetStart = Math.max(lineStart, startIndex); 10496 final int offsetEnd = Math.min(lineEnd, endIndex); 10497 final boolean ltrLine = 10498 mLayout.getParagraphDirection(line) == Layout.DIR_LEFT_TO_RIGHT; 10499 final float[] widths = new float[offsetEnd - offsetStart]; 10500 mLayout.getPaint().getTextWidths(mText, offsetStart, offsetEnd, widths); 10501 final float top = mLayout.getLineTop(line); 10502 final float bottom = mLayout.getLineBottom(line); 10503 for (int offset = offsetStart; offset < offsetEnd; ++offset) { 10504 final float charWidth = widths[offset - offsetStart]; 10505 final boolean isRtl = mLayout.isRtlCharAt(offset); 10506 final float primary = mLayout.getPrimaryHorizontal(offset); 10507 final float secondary = mLayout.getSecondaryHorizontal(offset); 10508 // TODO: This doesn't work perfectly for text with custom styles and 10509 // TAB chars. 10510 final float left; 10511 final float right; 10512 if (ltrLine) { 10513 if (isRtl) { 10514 left = secondary - charWidth; 10515 right = secondary; 10516 } else { 10517 left = primary; 10518 right = primary + charWidth; 10519 } 10520 } else { 10521 if (!isRtl) { 10522 left = secondary; 10523 right = secondary + charWidth; 10524 } else { 10525 left = primary - charWidth; 10526 right = primary; 10527 } 10528 } 10529 // TODO: Check top-right and bottom-left as well. 10530 final float localLeft = left + viewportToContentHorizontalOffset; 10531 final float localRight = right + viewportToContentHorizontalOffset; 10532 final float localTop = top + viewportToContentVerticalOffset; 10533 final float localBottom = bottom + viewportToContentVerticalOffset; 10534 final boolean isTopLeftVisible = isPositionVisible(localLeft, localTop); 10535 final boolean isBottomRightVisible = 10536 isPositionVisible(localRight, localBottom); 10537 int characterBoundsFlags = 0; 10538 if (isTopLeftVisible || isBottomRightVisible) { 10539 characterBoundsFlags |= FLAG_HAS_VISIBLE_REGION; 10540 } 10541 if (!isTopLeftVisible || !isBottomRightVisible) { 10542 characterBoundsFlags |= CursorAnchorInfo.FLAG_HAS_INVISIBLE_REGION; 10543 } 10544 if (isRtl) { 10545 characterBoundsFlags |= CursorAnchorInfo.FLAG_IS_RTL; 10546 } 10547 // Here offset is the index in Java chars. 10548 builder.addCharacterBounds(offset, localLeft, localTop, localRight, 10549 localBottom, characterBoundsFlags); 10550 } 10551 } 10552 } 10553 10554 /** 10555 * @hide 10556 */ 10557 public boolean isPositionVisible(final float positionX, final float positionY) { 10558 synchronized (TEMP_POSITION) { 10559 final float[] position = TEMP_POSITION; 10560 position[0] = positionX; 10561 position[1] = positionY; 10562 View view = this; 10563 10564 while (view != null) { 10565 if (view != this) { 10566 // Local scroll is already taken into account in positionX/Y 10567 position[0] -= view.getScrollX(); 10568 position[1] -= view.getScrollY(); 10569 } 10570 10571 if (position[0] < 0 || position[1] < 0 || position[0] > view.getWidth() 10572 || position[1] > view.getHeight()) { 10573 return false; 10574 } 10575 10576 if (!view.getMatrix().isIdentity()) { 10577 view.getMatrix().mapPoints(position); 10578 } 10579 10580 position[0] += view.getLeft(); 10581 position[1] += view.getTop(); 10582 10583 final ViewParent parent = view.getParent(); 10584 if (parent instanceof View) { 10585 view = (View) parent; 10586 } else { 10587 // We've reached the ViewRoot, stop iterating 10588 view = null; 10589 } 10590 } 10591 } 10592 10593 // We've been able to walk up the view hierarchy and the position was never clipped 10594 return true; 10595 } 10596 10597 /** 10598 * Performs an accessibility action after it has been offered to the 10599 * delegate. 10600 * 10601 * @hide 10602 */ 10603 @Override 10604 public boolean performAccessibilityActionInternal(int action, Bundle arguments) { 10605 if (mEditor != null 10606 && mEditor.mProcessTextIntentActionsHandler.performAccessibilityAction(action)) { 10607 return true; 10608 } 10609 switch (action) { 10610 case AccessibilityNodeInfo.ACTION_CLICK: { 10611 return performAccessibilityActionClick(arguments); 10612 } 10613 case AccessibilityNodeInfo.ACTION_COPY: { 10614 if (isFocused() && canCopy()) { 10615 if (onTextContextMenuItem(ID_COPY)) { 10616 return true; 10617 } 10618 } 10619 } return false; 10620 case AccessibilityNodeInfo.ACTION_PASTE: { 10621 if (isFocused() && canPaste()) { 10622 if (onTextContextMenuItem(ID_PASTE)) { 10623 return true; 10624 } 10625 } 10626 } return false; 10627 case AccessibilityNodeInfo.ACTION_CUT: { 10628 if (isFocused() && canCut()) { 10629 if (onTextContextMenuItem(ID_CUT)) { 10630 return true; 10631 } 10632 } 10633 } return false; 10634 case AccessibilityNodeInfo.ACTION_SET_SELECTION: { 10635 ensureIterableTextForAccessibilitySelectable(); 10636 CharSequence text = getIterableTextForAccessibility(); 10637 if (text == null) { 10638 return false; 10639 } 10640 final int start = (arguments != null) ? arguments.getInt( 10641 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_START_INT, -1) : -1; 10642 final int end = (arguments != null) ? arguments.getInt( 10643 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_END_INT, -1) : -1; 10644 if ((getSelectionStart() != start || getSelectionEnd() != end)) { 10645 // No arguments clears the selection. 10646 if (start == end && end == -1) { 10647 Selection.removeSelection((Spannable) text); 10648 return true; 10649 } 10650 if (start >= 0 && start <= end && end <= text.length()) { 10651 Selection.setSelection((Spannable) text, start, end); 10652 // Make sure selection mode is engaged. 10653 if (mEditor != null) { 10654 mEditor.startSelectionActionModeAsync(false); 10655 } 10656 return true; 10657 } 10658 } 10659 } return false; 10660 case AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY: 10661 case AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY: { 10662 ensureIterableTextForAccessibilitySelectable(); 10663 return super.performAccessibilityActionInternal(action, arguments); 10664 } 10665 case ACCESSIBILITY_ACTION_SHARE: { 10666 if (isFocused() && canShare()) { 10667 if (onTextContextMenuItem(ID_SHARE)) { 10668 return true; 10669 } 10670 } 10671 } return false; 10672 case AccessibilityNodeInfo.ACTION_SET_TEXT: { 10673 if (!isEnabled() || (mBufferType != BufferType.EDITABLE)) { 10674 return false; 10675 } 10676 CharSequence text = (arguments != null) ? arguments.getCharSequence( 10677 AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE) : null; 10678 setText(text); 10679 if (mText != null) { 10680 int updatedTextLength = mText.length(); 10681 if (updatedTextLength > 0) { 10682 Selection.setSelection((Spannable) mText, updatedTextLength); 10683 } 10684 } 10685 } return true; 10686 default: { 10687 return super.performAccessibilityActionInternal(action, arguments); 10688 } 10689 } 10690 } 10691 10692 private boolean performAccessibilityActionClick(Bundle arguments) { 10693 boolean handled = false; 10694 10695 if (!isEnabled()) { 10696 return false; 10697 } 10698 10699 if (isClickable() || isLongClickable()) { 10700 // Simulate View.onTouchEvent for an ACTION_UP event 10701 if (isFocusable() && !isFocused()) { 10702 requestFocus(); 10703 } 10704 10705 performClick(); 10706 handled = true; 10707 } 10708 10709 // Show the IME, except when selecting in read-only text. 10710 if ((mMovement != null || onCheckIsTextEditor()) && hasSpannableText() && mLayout != null 10711 && (isTextEditable() || isTextSelectable()) && isFocused()) { 10712 final InputMethodManager imm = InputMethodManager.peekInstance(); 10713 viewClicked(imm); 10714 if (!isTextSelectable() && mEditor.mShowSoftInputOnFocus && imm != null) { 10715 handled |= imm.showSoftInput(this, 0); 10716 } 10717 } 10718 10719 return handled; 10720 } 10721 10722 private boolean hasSpannableText() { 10723 return mText != null && mText instanceof Spannable; 10724 } 10725 10726 /** @hide */ 10727 @Override 10728 public void sendAccessibilityEventInternal(int eventType) { 10729 if (eventType == AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED && mEditor != null) { 10730 mEditor.mProcessTextIntentActionsHandler.initializeAccessibilityActions(); 10731 } 10732 10733 // Do not send scroll events since first they are not interesting for 10734 // accessibility and second such events a generated too frequently. 10735 // For details see the implementation of bringTextIntoView(). 10736 if (eventType == AccessibilityEvent.TYPE_VIEW_SCROLLED) { 10737 return; 10738 } 10739 super.sendAccessibilityEventInternal(eventType); 10740 } 10741 10742 /** 10743 * Returns the text that should be exposed to accessibility services. 10744 * <p> 10745 * This approximates what is displayed visually. If the user has specified 10746 * that accessibility services should speak passwords, this method will 10747 * bypass any password transformation method and return unobscured text. 10748 * 10749 * @return the text that should be exposed to accessibility services, may 10750 * be {@code null} if no text is set 10751 */ 10752 @Nullable 10753 private CharSequence getTextForAccessibility() { 10754 // If the text is empty, we must be showing the hint text. 10755 if (TextUtils.isEmpty(mText)) { 10756 return mHint; 10757 } 10758 10759 // Otherwise, return whatever text is being displayed. 10760 return mTransformed; 10761 } 10762 10763 void sendAccessibilityEventTypeViewTextChanged(CharSequence beforeText, 10764 int fromIndex, int removedCount, int addedCount) { 10765 AccessibilityEvent event = 10766 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED); 10767 event.setFromIndex(fromIndex); 10768 event.setRemovedCount(removedCount); 10769 event.setAddedCount(addedCount); 10770 event.setBeforeText(beforeText); 10771 sendAccessibilityEventUnchecked(event); 10772 } 10773 10774 /** 10775 * Returns whether this text view is a current input method target. The 10776 * default implementation just checks with {@link InputMethodManager}. 10777 * @return True if the TextView is a current input method target; false otherwise. 10778 */ 10779 public boolean isInputMethodTarget() { 10780 InputMethodManager imm = InputMethodManager.peekInstance(); 10781 return imm != null && imm.isActive(this); 10782 } 10783 10784 static final int ID_SELECT_ALL = android.R.id.selectAll; 10785 static final int ID_UNDO = android.R.id.undo; 10786 static final int ID_REDO = android.R.id.redo; 10787 static final int ID_CUT = android.R.id.cut; 10788 static final int ID_COPY = android.R.id.copy; 10789 static final int ID_PASTE = android.R.id.paste; 10790 static final int ID_SHARE = android.R.id.shareText; 10791 static final int ID_PASTE_AS_PLAIN_TEXT = android.R.id.pasteAsPlainText; 10792 static final int ID_REPLACE = android.R.id.replaceText; 10793 static final int ID_ASSIST = android.R.id.textAssist; 10794 static final int ID_AUTOFILL = android.R.id.autofill; 10795 10796 /** 10797 * Called when a context menu option for the text view is selected. Currently 10798 * this will be one of {@link android.R.id#selectAll}, {@link android.R.id#cut}, 10799 * {@link android.R.id#copy}, {@link android.R.id#paste} or {@link android.R.id#shareText}. 10800 * 10801 * @return true if the context menu item action was performed. 10802 */ 10803 public boolean onTextContextMenuItem(int id) { 10804 int min = 0; 10805 int max = mText.length(); 10806 10807 if (isFocused()) { 10808 final int selStart = getSelectionStart(); 10809 final int selEnd = getSelectionEnd(); 10810 10811 min = Math.max(0, Math.min(selStart, selEnd)); 10812 max = Math.max(0, Math.max(selStart, selEnd)); 10813 } 10814 10815 switch (id) { 10816 case ID_SELECT_ALL: 10817 final boolean hadSelection = hasSelection(); 10818 selectAllText(); 10819 if (mEditor != null && hadSelection) { 10820 mEditor.invalidateActionModeAsync(); 10821 } 10822 return true; 10823 10824 case ID_UNDO: 10825 if (mEditor != null) { 10826 mEditor.undo(); 10827 } 10828 return true; // Returns true even if nothing was undone. 10829 10830 case ID_REDO: 10831 if (mEditor != null) { 10832 mEditor.redo(); 10833 } 10834 return true; // Returns true even if nothing was undone. 10835 10836 case ID_PASTE: 10837 paste(min, max, true /* withFormatting */); 10838 return true; 10839 10840 case ID_PASTE_AS_PLAIN_TEXT: 10841 paste(min, max, false /* withFormatting */); 10842 return true; 10843 10844 case ID_CUT: 10845 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 10846 deleteText_internal(min, max); 10847 return true; 10848 10849 case ID_COPY: 10850 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 10851 stopTextActionMode(); 10852 return true; 10853 10854 case ID_REPLACE: 10855 if (mEditor != null) { 10856 mEditor.replace(); 10857 } 10858 return true; 10859 10860 case ID_SHARE: 10861 shareSelectedText(); 10862 return true; 10863 10864 case ID_AUTOFILL: 10865 requestAutofill(); 10866 stopTextActionMode(); 10867 return true; 10868 } 10869 return false; 10870 } 10871 10872 CharSequence getTransformedText(int start, int end) { 10873 return removeSuggestionSpans(mTransformed.subSequence(start, end)); 10874 } 10875 10876 @Override 10877 public boolean performLongClick() { 10878 boolean handled = false; 10879 boolean performedHapticFeedback = false; 10880 10881 if (mEditor != null) { 10882 mEditor.mIsBeingLongClicked = true; 10883 } 10884 10885 if (super.performLongClick()) { 10886 handled = true; 10887 performedHapticFeedback = true; 10888 } 10889 10890 if (mEditor != null) { 10891 handled |= mEditor.performLongClick(handled); 10892 mEditor.mIsBeingLongClicked = false; 10893 } 10894 10895 if (handled) { 10896 if (!performedHapticFeedback) { 10897 performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 10898 } 10899 if (mEditor != null) mEditor.mDiscardNextActionUp = true; 10900 } else { 10901 MetricsLogger.action( 10902 mContext, 10903 MetricsEvent.TEXT_LONGPRESS, 10904 TextViewMetrics.SUBTYPE_LONG_PRESS_OTHER); 10905 } 10906 10907 return handled; 10908 } 10909 10910 @Override 10911 protected void onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert) { 10912 super.onScrollChanged(horiz, vert, oldHoriz, oldVert); 10913 if (mEditor != null) { 10914 mEditor.onScrollChanged(); 10915 } 10916 } 10917 10918 /** 10919 * Return whether or not suggestions are enabled on this TextView. The suggestions are generated 10920 * by the IME or by the spell checker as the user types. This is done by adding 10921 * {@link SuggestionSpan}s to the text. 10922 * 10923 * When suggestions are enabled (default), this list of suggestions will be displayed when the 10924 * user asks for them on these parts of the text. This value depends on the inputType of this 10925 * TextView. 10926 * 10927 * The class of the input type must be {@link InputType#TYPE_CLASS_TEXT}. 10928 * 10929 * In addition, the type variation must be one of 10930 * {@link InputType#TYPE_TEXT_VARIATION_NORMAL}, 10931 * {@link InputType#TYPE_TEXT_VARIATION_EMAIL_SUBJECT}, 10932 * {@link InputType#TYPE_TEXT_VARIATION_LONG_MESSAGE}, 10933 * {@link InputType#TYPE_TEXT_VARIATION_SHORT_MESSAGE} or 10934 * {@link InputType#TYPE_TEXT_VARIATION_WEB_EDIT_TEXT}. 10935 * 10936 * And finally, the {@link InputType#TYPE_TEXT_FLAG_NO_SUGGESTIONS} flag must <i>not</i> be set. 10937 * 10938 * @return true if the suggestions popup window is enabled, based on the inputType. 10939 */ 10940 public boolean isSuggestionsEnabled() { 10941 if (mEditor == null) return false; 10942 if ((mEditor.mInputType & InputType.TYPE_MASK_CLASS) != InputType.TYPE_CLASS_TEXT) { 10943 return false; 10944 } 10945 if ((mEditor.mInputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) > 0) return false; 10946 10947 final int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 10948 return (variation == EditorInfo.TYPE_TEXT_VARIATION_NORMAL 10949 || variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT 10950 || variation == EditorInfo.TYPE_TEXT_VARIATION_LONG_MESSAGE 10951 || variation == EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE 10952 || variation == EditorInfo.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT); 10953 } 10954 10955 /** 10956 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 10957 * selection is initiated in this View. 10958 * 10959 * <p>The standard implementation populates the menu with a subset of Select All, Cut, Copy, 10960 * Paste, Replace and Share actions, depending on what this View supports. 10961 * 10962 * <p>A custom implementation can add new entries in the default menu in its 10963 * {@link android.view.ActionMode.Callback#onPrepareActionMode(ActionMode, android.view.Menu)} 10964 * method. The default actions can also be removed from the menu using 10965 * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll}, 10966 * {@link android.R.id#cut}, {@link android.R.id#copy}, {@link android.R.id#paste}, 10967 * {@link android.R.id#replaceText} or {@link android.R.id#shareText} ids as parameters. 10968 * 10969 * <p>Returning false from 10970 * {@link android.view.ActionMode.Callback#onCreateActionMode(ActionMode, android.view.Menu)} 10971 * will prevent the action mode from being started. 10972 * 10973 * <p>Action click events should be handled by the custom implementation of 10974 * {@link android.view.ActionMode.Callback#onActionItemClicked(ActionMode, 10975 * android.view.MenuItem)}. 10976 * 10977 * <p>Note that text selection mode is not started when a TextView receives focus and the 10978 * {@link android.R.attr#selectAllOnFocus} flag has been set. The content is highlighted in 10979 * that case, to allow for quick replacement. 10980 */ 10981 public void setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback) { 10982 createEditorIfNeeded(); 10983 mEditor.mCustomSelectionActionModeCallback = actionModeCallback; 10984 } 10985 10986 /** 10987 * Retrieves the value set in {@link #setCustomSelectionActionModeCallback}. Default is null. 10988 * 10989 * @return The current custom selection callback. 10990 */ 10991 public ActionMode.Callback getCustomSelectionActionModeCallback() { 10992 return mEditor == null ? null : mEditor.mCustomSelectionActionModeCallback; 10993 } 10994 10995 /** 10996 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 10997 * insertion is initiated in this View. 10998 * The standard implementation populates the menu with a subset of Select All, 10999 * Paste and Replace actions, depending on what this View supports. 11000 * 11001 * <p>A custom implementation can add new entries in the default menu in its 11002 * {@link android.view.ActionMode.Callback#onPrepareActionMode(android.view.ActionMode, 11003 * android.view.Menu)} method. The default actions can also be removed from the menu using 11004 * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll}, 11005 * {@link android.R.id#paste} or {@link android.R.id#replaceText} ids as parameters.</p> 11006 * 11007 * <p>Returning false from 11008 * {@link android.view.ActionMode.Callback#onCreateActionMode(android.view.ActionMode, 11009 * android.view.Menu)} will prevent the action mode from being started.</p> 11010 * 11011 * <p>Action click events should be handled by the custom implementation of 11012 * {@link android.view.ActionMode.Callback#onActionItemClicked(android.view.ActionMode, 11013 * android.view.MenuItem)}.</p> 11014 * 11015 * <p>Note that text insertion mode is not started when a TextView receives focus and the 11016 * {@link android.R.attr#selectAllOnFocus} flag has been set.</p> 11017 */ 11018 public void setCustomInsertionActionModeCallback(ActionMode.Callback actionModeCallback) { 11019 createEditorIfNeeded(); 11020 mEditor.mCustomInsertionActionModeCallback = actionModeCallback; 11021 } 11022 11023 /** 11024 * Retrieves the value set in {@link #setCustomInsertionActionModeCallback}. Default is null. 11025 * 11026 * @return The current custom insertion callback. 11027 */ 11028 public ActionMode.Callback getCustomInsertionActionModeCallback() { 11029 return mEditor == null ? null : mEditor.mCustomInsertionActionModeCallback; 11030 } 11031 11032 /** 11033 * Sets the {@link TextClassifier} for this TextView. 11034 */ 11035 public void setTextClassifier(@Nullable TextClassifier textClassifier) { 11036 mTextClassifier = textClassifier; 11037 } 11038 11039 /** 11040 * Returns the {@link TextClassifier} used by this TextView. 11041 * If no TextClassifier has been set, this TextView uses the default set by the 11042 * {@link TextClassificationManager}. 11043 */ 11044 @NonNull 11045 public TextClassifier getTextClassifier() { 11046 if (mTextClassifier == null) { 11047 TextClassificationManager tcm = 11048 mContext.getSystemService(TextClassificationManager.class); 11049 if (tcm != null) { 11050 mTextClassifier = tcm.getTextClassifier(); 11051 } else { 11052 mTextClassifier = TextClassifier.NO_OP; 11053 } 11054 } 11055 return mTextClassifier; 11056 } 11057 11058 /** 11059 * @hide 11060 */ 11061 protected void stopTextActionMode() { 11062 if (mEditor != null) { 11063 mEditor.stopTextActionMode(); 11064 } 11065 } 11066 11067 boolean canUndo() { 11068 return mEditor != null && mEditor.canUndo(); 11069 } 11070 11071 boolean canRedo() { 11072 return mEditor != null && mEditor.canRedo(); 11073 } 11074 11075 boolean canCut() { 11076 if (hasPasswordTransformationMethod()) { 11077 return false; 11078 } 11079 11080 if (mText.length() > 0 && hasSelection() && mText instanceof Editable && mEditor != null 11081 && mEditor.mKeyListener != null) { 11082 return true; 11083 } 11084 11085 return false; 11086 } 11087 11088 boolean canCopy() { 11089 if (hasPasswordTransformationMethod()) { 11090 return false; 11091 } 11092 11093 if (mText.length() > 0 && hasSelection() && mEditor != null) { 11094 return true; 11095 } 11096 11097 return false; 11098 } 11099 11100 boolean canShare() { 11101 if (!getContext().canStartActivityForResult() || !isDeviceProvisioned()) { 11102 return false; 11103 } 11104 return canCopy(); 11105 } 11106 11107 boolean isDeviceProvisioned() { 11108 if (mDeviceProvisionedState == DEVICE_PROVISIONED_UNKNOWN) { 11109 mDeviceProvisionedState = Settings.Global.getInt( 11110 mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0 11111 ? DEVICE_PROVISIONED_YES 11112 : DEVICE_PROVISIONED_NO; 11113 } 11114 return mDeviceProvisionedState == DEVICE_PROVISIONED_YES; 11115 } 11116 11117 boolean canPaste() { 11118 return (mText instanceof Editable 11119 && mEditor != null && mEditor.mKeyListener != null 11120 && getSelectionStart() >= 0 11121 && getSelectionEnd() >= 0 11122 && ((ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE)) 11123 .hasPrimaryClip()); 11124 } 11125 11126 boolean canPasteAsPlainText() { 11127 if (!canPaste()) { 11128 return false; 11129 } 11130 11131 final ClipData clipData = 11132 ((ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE)) 11133 .getPrimaryClip(); 11134 final ClipDescription description = clipData.getDescription(); 11135 final boolean isPlainType = description.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 11136 final CharSequence text = clipData.getItemAt(0).getText(); 11137 if (isPlainType && (text instanceof Spanned)) { 11138 Spanned spanned = (Spanned) text; 11139 if (TextUtils.hasStyleSpan(spanned)) { 11140 return true; 11141 } 11142 } 11143 return description.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 11144 } 11145 11146 boolean canProcessText() { 11147 if (getId() == View.NO_ID) { 11148 return false; 11149 } 11150 return canShare(); 11151 } 11152 11153 boolean canSelectAllText() { 11154 return canSelectText() && !hasPasswordTransformationMethod() 11155 && !(getSelectionStart() == 0 && getSelectionEnd() == mText.length()); 11156 } 11157 11158 boolean selectAllText() { 11159 if (mEditor != null) { 11160 // Hide the toolbar before changing the selection to avoid flickering. 11161 mEditor.hideFloatingToolbar(FLOATING_TOOLBAR_SELECT_ALL_REFRESH_DELAY); 11162 } 11163 final int length = mText.length(); 11164 Selection.setSelection((Spannable) mText, 0, length); 11165 return length > 0; 11166 } 11167 11168 void replaceSelectionWithText(CharSequence text) { 11169 ((Editable) mText).replace(getSelectionStart(), getSelectionEnd(), text); 11170 } 11171 11172 /** 11173 * Paste clipboard content between min and max positions. 11174 */ 11175 private void paste(int min, int max, boolean withFormatting) { 11176 ClipboardManager clipboard = 11177 (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE); 11178 ClipData clip = clipboard.getPrimaryClip(); 11179 if (clip != null) { 11180 boolean didFirst = false; 11181 for (int i = 0; i < clip.getItemCount(); i++) { 11182 final CharSequence paste; 11183 if (withFormatting) { 11184 paste = clip.getItemAt(i).coerceToStyledText(getContext()); 11185 } else { 11186 // Get an item as text and remove all spans by toString(). 11187 final CharSequence text = clip.getItemAt(i).coerceToText(getContext()); 11188 paste = (text instanceof Spanned) ? text.toString() : text; 11189 } 11190 if (paste != null) { 11191 if (!didFirst) { 11192 Selection.setSelection((Spannable) mText, max); 11193 ((Editable) mText).replace(min, max, paste); 11194 didFirst = true; 11195 } else { 11196 ((Editable) mText).insert(getSelectionEnd(), "\n"); 11197 ((Editable) mText).insert(getSelectionEnd(), paste); 11198 } 11199 } 11200 } 11201 sLastCutCopyOrTextChangedTime = 0; 11202 } 11203 } 11204 11205 private void shareSelectedText() { 11206 String selectedText = getSelectedText(); 11207 if (selectedText != null && !selectedText.isEmpty()) { 11208 Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND); 11209 sharingIntent.setType("text/plain"); 11210 sharingIntent.removeExtra(android.content.Intent.EXTRA_TEXT); 11211 sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, selectedText); 11212 getContext().startActivity(Intent.createChooser(sharingIntent, null)); 11213 Selection.setSelection((Spannable) mText, getSelectionEnd()); 11214 } 11215 } 11216 11217 private void setPrimaryClip(ClipData clip) { 11218 ClipboardManager clipboard = 11219 (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE); 11220 clipboard.setPrimaryClip(clip); 11221 sLastCutCopyOrTextChangedTime = SystemClock.uptimeMillis(); 11222 } 11223 11224 /** 11225 * Get the character offset closest to the specified absolute position. A typical use case is to 11226 * pass the result of {@link MotionEvent#getX()} and {@link MotionEvent#getY()} to this method. 11227 * 11228 * @param x The horizontal absolute position of a point on screen 11229 * @param y The vertical absolute position of a point on screen 11230 * @return the character offset for the character whose position is closest to the specified 11231 * position. Returns -1 if there is no layout. 11232 */ 11233 public int getOffsetForPosition(float x, float y) { 11234 if (getLayout() == null) return -1; 11235 final int line = getLineAtCoordinate(y); 11236 final int offset = getOffsetAtCoordinate(line, x); 11237 return offset; 11238 } 11239 11240 float convertToLocalHorizontalCoordinate(float x) { 11241 x -= getTotalPaddingLeft(); 11242 // Clamp the position to inside of the view. 11243 x = Math.max(0.0f, x); 11244 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 11245 x += getScrollX(); 11246 return x; 11247 } 11248 11249 int getLineAtCoordinate(float y) { 11250 y -= getTotalPaddingTop(); 11251 // Clamp the position to inside of the view. 11252 y = Math.max(0.0f, y); 11253 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 11254 y += getScrollY(); 11255 return getLayout().getLineForVertical((int) y); 11256 } 11257 11258 int getLineAtCoordinateUnclamped(float y) { 11259 y -= getTotalPaddingTop(); 11260 y += getScrollY(); 11261 return getLayout().getLineForVertical((int) y); 11262 } 11263 11264 int getOffsetAtCoordinate(int line, float x) { 11265 x = convertToLocalHorizontalCoordinate(x); 11266 return getLayout().getOffsetForHorizontal(line, x); 11267 } 11268 11269 @Override 11270 public boolean onDragEvent(DragEvent event) { 11271 switch (event.getAction()) { 11272 case DragEvent.ACTION_DRAG_STARTED: 11273 return mEditor != null && mEditor.hasInsertionController(); 11274 11275 case DragEvent.ACTION_DRAG_ENTERED: 11276 TextView.this.requestFocus(); 11277 return true; 11278 11279 case DragEvent.ACTION_DRAG_LOCATION: 11280 if (mText instanceof Spannable) { 11281 final int offset = getOffsetForPosition(event.getX(), event.getY()); 11282 Selection.setSelection((Spannable) mText, offset); 11283 } 11284 return true; 11285 11286 case DragEvent.ACTION_DROP: 11287 if (mEditor != null) mEditor.onDrop(event); 11288 return true; 11289 11290 case DragEvent.ACTION_DRAG_ENDED: 11291 case DragEvent.ACTION_DRAG_EXITED: 11292 default: 11293 return true; 11294 } 11295 } 11296 11297 boolean isInBatchEditMode() { 11298 if (mEditor == null) return false; 11299 final Editor.InputMethodState ims = mEditor.mInputMethodState; 11300 if (ims != null) { 11301 return ims.mBatchEditNesting > 0; 11302 } 11303 return mEditor.mInBatchEditControllers; 11304 } 11305 11306 @Override 11307 public void onRtlPropertiesChanged(int layoutDirection) { 11308 super.onRtlPropertiesChanged(layoutDirection); 11309 11310 final TextDirectionHeuristic newTextDir = getTextDirectionHeuristic(); 11311 if (mTextDir != newTextDir) { 11312 mTextDir = newTextDir; 11313 if (mLayout != null) { 11314 checkForRelayout(); 11315 } 11316 } 11317 } 11318 11319 /** 11320 * @hide 11321 */ 11322 protected TextDirectionHeuristic getTextDirectionHeuristic() { 11323 if (hasPasswordTransformationMethod()) { 11324 // passwords fields should be LTR 11325 return TextDirectionHeuristics.LTR; 11326 } 11327 11328 if (mEditor != null 11329 && (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) 11330 == EditorInfo.TYPE_CLASS_PHONE) { 11331 // Phone numbers must be in the direction of the locale's digits. Most locales have LTR 11332 // digits, but some locales, such as those written in the Adlam or N'Ko scripts, have 11333 // RTL digits. 11334 final DecimalFormatSymbols symbols = DecimalFormatSymbols.getInstance(getTextLocale()); 11335 final String zero = symbols.getDigitStrings()[0]; 11336 // In case the zero digit is multi-codepoint, just use the first codepoint to determine 11337 // direction. 11338 final int firstCodepoint = zero.codePointAt(0); 11339 final byte digitDirection = Character.getDirectionality(firstCodepoint); 11340 if (digitDirection == Character.DIRECTIONALITY_RIGHT_TO_LEFT 11341 || digitDirection == Character.DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC) { 11342 return TextDirectionHeuristics.RTL; 11343 } else { 11344 return TextDirectionHeuristics.LTR; 11345 } 11346 } 11347 11348 // Always need to resolve layout direction first 11349 final boolean defaultIsRtl = (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 11350 11351 // Now, we can select the heuristic 11352 switch (getTextDirection()) { 11353 default: 11354 case TEXT_DIRECTION_FIRST_STRONG: 11355 return (defaultIsRtl ? TextDirectionHeuristics.FIRSTSTRONG_RTL : 11356 TextDirectionHeuristics.FIRSTSTRONG_LTR); 11357 case TEXT_DIRECTION_ANY_RTL: 11358 return TextDirectionHeuristics.ANYRTL_LTR; 11359 case TEXT_DIRECTION_LTR: 11360 return TextDirectionHeuristics.LTR; 11361 case TEXT_DIRECTION_RTL: 11362 return TextDirectionHeuristics.RTL; 11363 case TEXT_DIRECTION_LOCALE: 11364 return TextDirectionHeuristics.LOCALE; 11365 case TEXT_DIRECTION_FIRST_STRONG_LTR: 11366 return TextDirectionHeuristics.FIRSTSTRONG_LTR; 11367 case TEXT_DIRECTION_FIRST_STRONG_RTL: 11368 return TextDirectionHeuristics.FIRSTSTRONG_RTL; 11369 } 11370 } 11371 11372 /** 11373 * @hide 11374 */ 11375 @Override 11376 public void onResolveDrawables(int layoutDirection) { 11377 // No need to resolve twice 11378 if (mLastLayoutDirection == layoutDirection) { 11379 return; 11380 } 11381 mLastLayoutDirection = layoutDirection; 11382 11383 // Resolve drawables 11384 if (mDrawables != null) { 11385 if (mDrawables.resolveWithLayoutDirection(layoutDirection)) { 11386 prepareDrawableForDisplay(mDrawables.mShowing[Drawables.LEFT]); 11387 prepareDrawableForDisplay(mDrawables.mShowing[Drawables.RIGHT]); 11388 applyCompoundDrawableTint(); 11389 } 11390 } 11391 } 11392 11393 /** 11394 * Prepares a drawable for display by propagating layout direction and 11395 * drawable state. 11396 * 11397 * @param dr the drawable to prepare 11398 */ 11399 private void prepareDrawableForDisplay(@Nullable Drawable dr) { 11400 if (dr == null) { 11401 return; 11402 } 11403 11404 dr.setLayoutDirection(getLayoutDirection()); 11405 11406 if (dr.isStateful()) { 11407 dr.setState(getDrawableState()); 11408 dr.jumpToCurrentState(); 11409 } 11410 } 11411 11412 /** 11413 * @hide 11414 */ 11415 protected void resetResolvedDrawables() { 11416 super.resetResolvedDrawables(); 11417 mLastLayoutDirection = -1; 11418 } 11419 11420 /** 11421 * @hide 11422 */ 11423 protected void viewClicked(InputMethodManager imm) { 11424 if (imm != null) { 11425 imm.viewClicked(this); 11426 } 11427 } 11428 11429 /** 11430 * Deletes the range of text [start, end[. 11431 * @hide 11432 */ 11433 protected void deleteText_internal(int start, int end) { 11434 ((Editable) mText).delete(start, end); 11435 } 11436 11437 /** 11438 * Replaces the range of text [start, end[ by replacement text 11439 * @hide 11440 */ 11441 protected void replaceText_internal(int start, int end, CharSequence text) { 11442 ((Editable) mText).replace(start, end, text); 11443 } 11444 11445 /** 11446 * Sets a span on the specified range of text 11447 * @hide 11448 */ 11449 protected void setSpan_internal(Object span, int start, int end, int flags) { 11450 ((Editable) mText).setSpan(span, start, end, flags); 11451 } 11452 11453 /** 11454 * Moves the cursor to the specified offset position in text 11455 * @hide 11456 */ 11457 protected void setCursorPosition_internal(int start, int end) { 11458 Selection.setSelection(((Editable) mText), start, end); 11459 } 11460 11461 /** 11462 * An Editor should be created as soon as any of the editable-specific fields (grouped 11463 * inside the Editor object) is assigned to a non-default value. 11464 * This method will create the Editor if needed. 11465 * 11466 * A standard TextView (as well as buttons, checkboxes...) should not qualify and hence will 11467 * have a null Editor, unlike an EditText. Inconsistent in-between states will have an 11468 * Editor for backward compatibility, as soon as one of these fields is assigned. 11469 * 11470 * Also note that for performance reasons, the mEditor is created when needed, but not 11471 * reset when no more edit-specific fields are needed. 11472 */ 11473 private void createEditorIfNeeded() { 11474 if (mEditor == null) { 11475 mEditor = new Editor(this); 11476 } 11477 } 11478 11479 /** 11480 * @hide 11481 */ 11482 @Override 11483 public CharSequence getIterableTextForAccessibility() { 11484 return mText; 11485 } 11486 11487 private void ensureIterableTextForAccessibilitySelectable() { 11488 if (!(mText instanceof Spannable)) { 11489 setText(mText, BufferType.SPANNABLE); 11490 } 11491 } 11492 11493 /** 11494 * @hide 11495 */ 11496 @Override 11497 public TextSegmentIterator getIteratorForGranularity(int granularity) { 11498 switch (granularity) { 11499 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE: { 11500 Spannable text = (Spannable) getIterableTextForAccessibility(); 11501 if (!TextUtils.isEmpty(text) && getLayout() != null) { 11502 AccessibilityIterators.LineTextSegmentIterator iterator = 11503 AccessibilityIterators.LineTextSegmentIterator.getInstance(); 11504 iterator.initialize(text, getLayout()); 11505 return iterator; 11506 } 11507 } break; 11508 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE: { 11509 Spannable text = (Spannable) getIterableTextForAccessibility(); 11510 if (!TextUtils.isEmpty(text) && getLayout() != null) { 11511 AccessibilityIterators.PageTextSegmentIterator iterator = 11512 AccessibilityIterators.PageTextSegmentIterator.getInstance(); 11513 iterator.initialize(this); 11514 return iterator; 11515 } 11516 } break; 11517 } 11518 return super.getIteratorForGranularity(granularity); 11519 } 11520 11521 /** 11522 * @hide 11523 */ 11524 @Override 11525 public int getAccessibilitySelectionStart() { 11526 return getSelectionStart(); 11527 } 11528 11529 /** 11530 * @hide 11531 */ 11532 public boolean isAccessibilitySelectionExtendable() { 11533 return true; 11534 } 11535 11536 /** 11537 * @hide 11538 */ 11539 @Override 11540 public int getAccessibilitySelectionEnd() { 11541 return getSelectionEnd(); 11542 } 11543 11544 /** 11545 * @hide 11546 */ 11547 @Override 11548 public void setAccessibilitySelection(int start, int end) { 11549 if (getAccessibilitySelectionStart() == start 11550 && getAccessibilitySelectionEnd() == end) { 11551 return; 11552 } 11553 CharSequence text = getIterableTextForAccessibility(); 11554 if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) { 11555 Selection.setSelection((Spannable) text, start, end); 11556 } else { 11557 Selection.removeSelection((Spannable) text); 11558 } 11559 // Hide all selection controllers used for adjusting selection 11560 // since we are doing so explicitlty by other means and these 11561 // controllers interact with how selection behaves. 11562 if (mEditor != null) { 11563 mEditor.hideCursorAndSpanControllers(); 11564 mEditor.stopTextActionMode(); 11565 } 11566 } 11567 11568 /** @hide */ 11569 @Override 11570 protected void encodeProperties(@NonNull ViewHierarchyEncoder stream) { 11571 super.encodeProperties(stream); 11572 11573 TruncateAt ellipsize = getEllipsize(); 11574 stream.addProperty("text:ellipsize", ellipsize == null ? null : ellipsize.name()); 11575 stream.addProperty("text:textSize", getTextSize()); 11576 stream.addProperty("text:scaledTextSize", getScaledTextSize()); 11577 stream.addProperty("text:typefaceStyle", getTypefaceStyle()); 11578 stream.addProperty("text:selectionStart", getSelectionStart()); 11579 stream.addProperty("text:selectionEnd", getSelectionEnd()); 11580 stream.addProperty("text:curTextColor", mCurTextColor); 11581 stream.addProperty("text:text", mText == null ? null : mText.toString()); 11582 stream.addProperty("text:gravity", mGravity); 11583 } 11584 11585 /** 11586 * User interface state that is stored by TextView for implementing 11587 * {@link View#onSaveInstanceState}. 11588 */ 11589 public static class SavedState extends BaseSavedState { 11590 int selStart = -1; 11591 int selEnd = -1; 11592 CharSequence text; 11593 boolean frozenWithFocus; 11594 CharSequence error; 11595 ParcelableParcel editorState; // Optional state from Editor. 11596 11597 SavedState(Parcelable superState) { 11598 super(superState); 11599 } 11600 11601 @Override 11602 public void writeToParcel(Parcel out, int flags) { 11603 super.writeToParcel(out, flags); 11604 out.writeInt(selStart); 11605 out.writeInt(selEnd); 11606 out.writeInt(frozenWithFocus ? 1 : 0); 11607 TextUtils.writeToParcel(text, out, flags); 11608 11609 if (error == null) { 11610 out.writeInt(0); 11611 } else { 11612 out.writeInt(1); 11613 TextUtils.writeToParcel(error, out, flags); 11614 } 11615 11616 if (editorState == null) { 11617 out.writeInt(0); 11618 } else { 11619 out.writeInt(1); 11620 editorState.writeToParcel(out, flags); 11621 } 11622 } 11623 11624 @Override 11625 public String toString() { 11626 String str = "TextView.SavedState{" 11627 + Integer.toHexString(System.identityHashCode(this)) 11628 + " start=" + selStart + " end=" + selEnd; 11629 if (text != null) { 11630 str += " text=" + text; 11631 } 11632 return str + "}"; 11633 } 11634 11635 @SuppressWarnings("hiding") 11636 public static final Parcelable.Creator<SavedState> CREATOR = 11637 new Parcelable.Creator<SavedState>() { 11638 public SavedState createFromParcel(Parcel in) { 11639 return new SavedState(in); 11640 } 11641 11642 public SavedState[] newArray(int size) { 11643 return new SavedState[size]; 11644 } 11645 }; 11646 11647 private SavedState(Parcel in) { 11648 super(in); 11649 selStart = in.readInt(); 11650 selEnd = in.readInt(); 11651 frozenWithFocus = (in.readInt() != 0); 11652 text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 11653 11654 if (in.readInt() != 0) { 11655 error = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 11656 } 11657 11658 if (in.readInt() != 0) { 11659 editorState = ParcelableParcel.CREATOR.createFromParcel(in); 11660 } 11661 } 11662 } 11663 11664 private static class CharWrapper implements CharSequence, GetChars, GraphicsOperations { 11665 private char[] mChars; 11666 private int mStart, mLength; 11667 11668 public CharWrapper(char[] chars, int start, int len) { 11669 mChars = chars; 11670 mStart = start; 11671 mLength = len; 11672 } 11673 11674 /* package */ void set(char[] chars, int start, int len) { 11675 mChars = chars; 11676 mStart = start; 11677 mLength = len; 11678 } 11679 11680 public int length() { 11681 return mLength; 11682 } 11683 11684 public char charAt(int off) { 11685 return mChars[off + mStart]; 11686 } 11687 11688 @Override 11689 public String toString() { 11690 return new String(mChars, mStart, mLength); 11691 } 11692 11693 public CharSequence subSequence(int start, int end) { 11694 if (start < 0 || end < 0 || start > mLength || end > mLength) { 11695 throw new IndexOutOfBoundsException(start + ", " + end); 11696 } 11697 11698 return new String(mChars, start + mStart, end - start); 11699 } 11700 11701 public void getChars(int start, int end, char[] buf, int off) { 11702 if (start < 0 || end < 0 || start > mLength || end > mLength) { 11703 throw new IndexOutOfBoundsException(start + ", " + end); 11704 } 11705 11706 System.arraycopy(mChars, start + mStart, buf, off, end - start); 11707 } 11708 11709 @Override 11710 public void drawText(BaseCanvas c, int start, int end, 11711 float x, float y, Paint p) { 11712 c.drawText(mChars, start + mStart, end - start, x, y, p); 11713 } 11714 11715 @Override 11716 public void drawTextRun(BaseCanvas c, int start, int end, 11717 int contextStart, int contextEnd, float x, float y, boolean isRtl, Paint p) { 11718 int count = end - start; 11719 int contextCount = contextEnd - contextStart; 11720 c.drawTextRun(mChars, start + mStart, count, contextStart + mStart, 11721 contextCount, x, y, isRtl, p); 11722 } 11723 11724 public float measureText(int start, int end, Paint p) { 11725 return p.measureText(mChars, start + mStart, end - start); 11726 } 11727 11728 public int getTextWidths(int start, int end, float[] widths, Paint p) { 11729 return p.getTextWidths(mChars, start + mStart, end - start, widths); 11730 } 11731 11732 public float getTextRunAdvances(int start, int end, int contextStart, 11733 int contextEnd, boolean isRtl, float[] advances, int advancesIndex, 11734 Paint p) { 11735 int count = end - start; 11736 int contextCount = contextEnd - contextStart; 11737 return p.getTextRunAdvances(mChars, start + mStart, count, 11738 contextStart + mStart, contextCount, isRtl, advances, 11739 advancesIndex); 11740 } 11741 11742 public int getTextRunCursor(int contextStart, int contextEnd, int dir, 11743 int offset, int cursorOpt, Paint p) { 11744 int contextCount = contextEnd - contextStart; 11745 return p.getTextRunCursor(mChars, contextStart + mStart, 11746 contextCount, dir, offset + mStart, cursorOpt); 11747 } 11748 } 11749 11750 private static final class Marquee { 11751 // TODO: Add an option to configure this 11752 private static final float MARQUEE_DELTA_MAX = 0.07f; 11753 private static final int MARQUEE_DELAY = 1200; 11754 private static final int MARQUEE_DP_PER_SECOND = 30; 11755 11756 private static final byte MARQUEE_STOPPED = 0x0; 11757 private static final byte MARQUEE_STARTING = 0x1; 11758 private static final byte MARQUEE_RUNNING = 0x2; 11759 11760 private final WeakReference<TextView> mView; 11761 private final Choreographer mChoreographer; 11762 11763 private byte mStatus = MARQUEE_STOPPED; 11764 private final float mPixelsPerSecond; 11765 private float mMaxScroll; 11766 private float mMaxFadeScroll; 11767 private float mGhostStart; 11768 private float mGhostOffset; 11769 private float mFadeStop; 11770 private int mRepeatLimit; 11771 11772 private float mScroll; 11773 private long mLastAnimationMs; 11774 11775 Marquee(TextView v) { 11776 final float density = v.getContext().getResources().getDisplayMetrics().density; 11777 mPixelsPerSecond = MARQUEE_DP_PER_SECOND * density; 11778 mView = new WeakReference<TextView>(v); 11779 mChoreographer = Choreographer.getInstance(); 11780 } 11781 11782 private Choreographer.FrameCallback mTickCallback = new Choreographer.FrameCallback() { 11783 @Override 11784 public void doFrame(long frameTimeNanos) { 11785 tick(); 11786 } 11787 }; 11788 11789 private Choreographer.FrameCallback mStartCallback = new Choreographer.FrameCallback() { 11790 @Override 11791 public void doFrame(long frameTimeNanos) { 11792 mStatus = MARQUEE_RUNNING; 11793 mLastAnimationMs = mChoreographer.getFrameTime(); 11794 tick(); 11795 } 11796 }; 11797 11798 private Choreographer.FrameCallback mRestartCallback = new Choreographer.FrameCallback() { 11799 @Override 11800 public void doFrame(long frameTimeNanos) { 11801 if (mStatus == MARQUEE_RUNNING) { 11802 if (mRepeatLimit >= 0) { 11803 mRepeatLimit--; 11804 } 11805 start(mRepeatLimit); 11806 } 11807 } 11808 }; 11809 11810 void tick() { 11811 if (mStatus != MARQUEE_RUNNING) { 11812 return; 11813 } 11814 11815 mChoreographer.removeFrameCallback(mTickCallback); 11816 11817 final TextView textView = mView.get(); 11818 if (textView != null && (textView.isFocused() || textView.isSelected())) { 11819 long currentMs = mChoreographer.getFrameTime(); 11820 long deltaMs = currentMs - mLastAnimationMs; 11821 mLastAnimationMs = currentMs; 11822 float deltaPx = deltaMs / 1000f * mPixelsPerSecond; 11823 mScroll += deltaPx; 11824 if (mScroll > mMaxScroll) { 11825 mScroll = mMaxScroll; 11826 mChoreographer.postFrameCallbackDelayed(mRestartCallback, MARQUEE_DELAY); 11827 } else { 11828 mChoreographer.postFrameCallback(mTickCallback); 11829 } 11830 textView.invalidate(); 11831 } 11832 } 11833 11834 void stop() { 11835 mStatus = MARQUEE_STOPPED; 11836 mChoreographer.removeFrameCallback(mStartCallback); 11837 mChoreographer.removeFrameCallback(mRestartCallback); 11838 mChoreographer.removeFrameCallback(mTickCallback); 11839 resetScroll(); 11840 } 11841 11842 private void resetScroll() { 11843 mScroll = 0.0f; 11844 final TextView textView = mView.get(); 11845 if (textView != null) textView.invalidate(); 11846 } 11847 11848 void start(int repeatLimit) { 11849 if (repeatLimit == 0) { 11850 stop(); 11851 return; 11852 } 11853 mRepeatLimit = repeatLimit; 11854 final TextView textView = mView.get(); 11855 if (textView != null && textView.mLayout != null) { 11856 mStatus = MARQUEE_STARTING; 11857 mScroll = 0.0f; 11858 final int textWidth = textView.getWidth() - textView.getCompoundPaddingLeft() 11859 - textView.getCompoundPaddingRight(); 11860 final float lineWidth = textView.mLayout.getLineWidth(0); 11861 final float gap = textWidth / 3.0f; 11862 mGhostStart = lineWidth - textWidth + gap; 11863 mMaxScroll = mGhostStart + textWidth; 11864 mGhostOffset = lineWidth + gap; 11865 mFadeStop = lineWidth + textWidth / 6.0f; 11866 mMaxFadeScroll = mGhostStart + lineWidth + lineWidth; 11867 11868 textView.invalidate(); 11869 mChoreographer.postFrameCallback(mStartCallback); 11870 } 11871 } 11872 11873 float getGhostOffset() { 11874 return mGhostOffset; 11875 } 11876 11877 float getScroll() { 11878 return mScroll; 11879 } 11880 11881 float getMaxFadeScroll() { 11882 return mMaxFadeScroll; 11883 } 11884 11885 boolean shouldDrawLeftFade() { 11886 return mScroll <= mFadeStop; 11887 } 11888 11889 boolean shouldDrawGhost() { 11890 return mStatus == MARQUEE_RUNNING && mScroll > mGhostStart; 11891 } 11892 11893 boolean isRunning() { 11894 return mStatus == MARQUEE_RUNNING; 11895 } 11896 11897 boolean isStopped() { 11898 return mStatus == MARQUEE_STOPPED; 11899 } 11900 } 11901 11902 private class ChangeWatcher implements TextWatcher, SpanWatcher { 11903 11904 private CharSequence mBeforeText; 11905 11906 public void beforeTextChanged(CharSequence buffer, int start, 11907 int before, int after) { 11908 if (DEBUG_EXTRACT) { 11909 Log.v(LOG_TAG, "beforeTextChanged start=" + start 11910 + " before=" + before + " after=" + after + ": " + buffer); 11911 } 11912 11913 if (AccessibilityManager.getInstance(mContext).isEnabled() 11914 && !isPasswordInputType(getInputType()) && !hasPasswordTransformationMethod()) { 11915 mBeforeText = buffer.toString(); 11916 } 11917 11918 TextView.this.sendBeforeTextChanged(buffer, start, before, after); 11919 } 11920 11921 public void onTextChanged(CharSequence buffer, int start, int before, int after) { 11922 if (DEBUG_EXTRACT) { 11923 Log.v(LOG_TAG, "onTextChanged start=" + start 11924 + " before=" + before + " after=" + after + ": " + buffer); 11925 } 11926 TextView.this.handleTextChanged(buffer, start, before, after); 11927 11928 if (AccessibilityManager.getInstance(mContext).isEnabled() 11929 && (isFocused() || isSelected() && isShown())) { 11930 sendAccessibilityEventTypeViewTextChanged(mBeforeText, start, before, after); 11931 mBeforeText = null; 11932 } 11933 } 11934 11935 public void afterTextChanged(Editable buffer) { 11936 if (DEBUG_EXTRACT) { 11937 Log.v(LOG_TAG, "afterTextChanged: " + buffer); 11938 } 11939 TextView.this.sendAfterTextChanged(buffer); 11940 11941 if (MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0) { 11942 MetaKeyKeyListener.stopSelecting(TextView.this, buffer); 11943 } 11944 } 11945 11946 public void onSpanChanged(Spannable buf, Object what, int s, int e, int st, int en) { 11947 if (DEBUG_EXTRACT) { 11948 Log.v(LOG_TAG, "onSpanChanged s=" + s + " e=" + e 11949 + " st=" + st + " en=" + en + " what=" + what + ": " + buf); 11950 } 11951 TextView.this.spanChange(buf, what, s, st, e, en); 11952 } 11953 11954 public void onSpanAdded(Spannable buf, Object what, int s, int e) { 11955 if (DEBUG_EXTRACT) { 11956 Log.v(LOG_TAG, "onSpanAdded s=" + s + " e=" + e + " what=" + what + ": " + buf); 11957 } 11958 TextView.this.spanChange(buf, what, -1, s, -1, e); 11959 } 11960 11961 public void onSpanRemoved(Spannable buf, Object what, int s, int e) { 11962 if (DEBUG_EXTRACT) { 11963 Log.v(LOG_TAG, "onSpanRemoved s=" + s + " e=" + e + " what=" + what + ": " + buf); 11964 } 11965 TextView.this.spanChange(buf, what, s, -1, e, -1); 11966 } 11967 } 11968 } 11969
