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