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 * @see #setTextColor(ColorStateList) 3238 * @see #getTextColors() 3239 * 3240 * @attr ref android.R.styleable#TextView_textColor 3241 */ 3242 @android.view.RemotableViewMethod 3243 public void setTextColor(@ColorInt int color) { 3244 mTextColor = ColorStateList.valueOf(color); 3245 updateTextColors(); 3246 } 3247 3248 /** 3249 * Sets the text color. 3250 * 3251 * @see #setTextColor(int) 3252 * @see #getTextColors() 3253 * @see #setHintTextColor(ColorStateList) 3254 * @see #setLinkTextColor(ColorStateList) 3255 * 3256 * @attr ref android.R.styleable#TextView_textColor 3257 */ 3258 @android.view.RemotableViewMethod 3259 public void setTextColor(ColorStateList colors) { 3260 if (colors == null) { 3261 throw new NullPointerException(); 3262 } 3263 3264 mTextColor = colors; 3265 updateTextColors(); 3266 } 3267 3268 /** 3269 * Gets the text colors for the different states (normal, selected, focused) of the TextView. 3270 * 3271 * @see #setTextColor(ColorStateList) 3272 * @see #setTextColor(int) 3273 * 3274 * @attr ref android.R.styleable#TextView_textColor 3275 */ 3276 public final ColorStateList getTextColors() { 3277 return mTextColor; 3278 } 3279 3280 /** 3281 * <p>Return the current color selected for normal text.</p> 3282 * 3283 * @return Returns the current text color. 3284 */ 3285 @ColorInt 3286 public final int getCurrentTextColor() { 3287 return mCurTextColor; 3288 } 3289 3290 /** 3291 * Sets the color used to display the selection highlight. 3292 * 3293 * @attr ref android.R.styleable#TextView_textColorHighlight 3294 */ 3295 @android.view.RemotableViewMethod 3296 public void setHighlightColor(@ColorInt int color) { 3297 if (mHighlightColor != color) { 3298 mHighlightColor = color; 3299 invalidate(); 3300 } 3301 } 3302 3303 /** 3304 * @return the color used to display the selection highlight 3305 * 3306 * @see #setHighlightColor(int) 3307 * 3308 * @attr ref android.R.styleable#TextView_textColorHighlight 3309 */ 3310 @ColorInt 3311 public int getHighlightColor() { 3312 return mHighlightColor; 3313 } 3314 3315 /** 3316 * Sets whether the soft input method will be made visible when this 3317 * TextView gets focused. The default is true. 3318 */ 3319 @android.view.RemotableViewMethod 3320 public final void setShowSoftInputOnFocus(boolean show) { 3321 createEditorIfNeeded(); 3322 mEditor.mShowSoftInputOnFocus = show; 3323 } 3324 3325 /** 3326 * Returns whether the soft input method will be made visible when this 3327 * TextView gets focused. The default is true. 3328 */ 3329 public final boolean getShowSoftInputOnFocus() { 3330 // When there is no Editor, return default true value 3331 return mEditor == null || mEditor.mShowSoftInputOnFocus; 3332 } 3333 3334 /** 3335 * Gives the text a shadow of the specified blur radius and color, the specified 3336 * distance from its drawn position. 3337 * <p> 3338 * The text shadow produced does not interact with the properties on view 3339 * that are responsible for real time shadows, 3340 * {@link View#getElevation() elevation} and 3341 * {@link View#getTranslationZ() translationZ}. 3342 * 3343 * @see Paint#setShadowLayer(float, float, float, int) 3344 * 3345 * @attr ref android.R.styleable#TextView_shadowColor 3346 * @attr ref android.R.styleable#TextView_shadowDx 3347 * @attr ref android.R.styleable#TextView_shadowDy 3348 * @attr ref android.R.styleable#TextView_shadowRadius 3349 */ 3350 public void setShadowLayer(float radius, float dx, float dy, int color) { 3351 mTextPaint.setShadowLayer(radius, dx, dy, color); 3352 3353 mShadowRadius = radius; 3354 mShadowDx = dx; 3355 mShadowDy = dy; 3356 mShadowColor = color; 3357 3358 // Will change text clip region 3359 if (mEditor != null) { 3360 mEditor.invalidateTextDisplayList(); 3361 mEditor.invalidateHandlesAndActionMode(); 3362 } 3363 invalidate(); 3364 } 3365 3366 /** 3367 * Gets the radius of the shadow layer. 3368 * 3369 * @return the radius of the shadow layer. If 0, the shadow layer is not visible 3370 * 3371 * @see #setShadowLayer(float, float, float, int) 3372 * 3373 * @attr ref android.R.styleable#TextView_shadowRadius 3374 */ 3375 public float getShadowRadius() { 3376 return mShadowRadius; 3377 } 3378 3379 /** 3380 * @return the horizontal offset of the shadow layer 3381 * 3382 * @see #setShadowLayer(float, float, float, int) 3383 * 3384 * @attr ref android.R.styleable#TextView_shadowDx 3385 */ 3386 public float getShadowDx() { 3387 return mShadowDx; 3388 } 3389 3390 /** 3391 * @return the vertical offset of the shadow layer 3392 * 3393 * @see #setShadowLayer(float, float, float, int) 3394 * 3395 * @attr ref android.R.styleable#TextView_shadowDy 3396 */ 3397 public float getShadowDy() { 3398 return mShadowDy; 3399 } 3400 3401 /** 3402 * @return the color of the shadow layer 3403 * 3404 * @see #setShadowLayer(float, float, float, int) 3405 * 3406 * @attr ref android.R.styleable#TextView_shadowColor 3407 */ 3408 @ColorInt 3409 public int getShadowColor() { 3410 return mShadowColor; 3411 } 3412 3413 /** 3414 * @return the base paint used for the text. Please use this only to 3415 * consult the Paint's properties and not to change them. 3416 */ 3417 public TextPaint getPaint() { 3418 return mTextPaint; 3419 } 3420 3421 /** 3422 * Sets the autolink mask of the text. See {@link 3423 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 3424 * possible values. 3425 * 3426 * @attr ref android.R.styleable#TextView_autoLink 3427 */ 3428 @android.view.RemotableViewMethod 3429 public final void setAutoLinkMask(int mask) { 3430 mAutoLinkMask = mask; 3431 } 3432 3433 /** 3434 * Sets whether the movement method will automatically be set to 3435 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 3436 * set to nonzero and links are detected in {@link #setText}. 3437 * The default is true. 3438 * 3439 * @attr ref android.R.styleable#TextView_linksClickable 3440 */ 3441 @android.view.RemotableViewMethod 3442 public final void setLinksClickable(boolean whether) { 3443 mLinksClickable = whether; 3444 } 3445 3446 /** 3447 * Returns whether the movement method will automatically be set to 3448 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 3449 * set to nonzero and links are detected in {@link #setText}. 3450 * The default is true. 3451 * 3452 * @attr ref android.R.styleable#TextView_linksClickable 3453 */ 3454 public final boolean getLinksClickable() { 3455 return mLinksClickable; 3456 } 3457 3458 /** 3459 * Returns the list of URLSpans attached to the text 3460 * (by {@link Linkify} or otherwise) if any. You can call 3461 * {@link URLSpan#getURL} on them to find where they link to 3462 * or use {@link Spanned#getSpanStart} and {@link Spanned#getSpanEnd} 3463 * to find the region of the text they are attached to. 3464 */ 3465 public URLSpan[] getUrls() { 3466 if (mText instanceof Spanned) { 3467 return ((Spanned) mText).getSpans(0, mText.length(), URLSpan.class); 3468 } else { 3469 return new URLSpan[0]; 3470 } 3471 } 3472 3473 /** 3474 * Sets the color of the hint text for all the states (disabled, focussed, selected...) of this 3475 * TextView. 3476 * 3477 * @see #setHintTextColor(ColorStateList) 3478 * @see #getHintTextColors() 3479 * @see #setTextColor(int) 3480 * 3481 * @attr ref android.R.styleable#TextView_textColorHint 3482 */ 3483 @android.view.RemotableViewMethod 3484 public final void setHintTextColor(@ColorInt int color) { 3485 mHintTextColor = ColorStateList.valueOf(color); 3486 updateTextColors(); 3487 } 3488 3489 /** 3490 * Sets the color of the hint text. 3491 * 3492 * @see #getHintTextColors() 3493 * @see #setHintTextColor(int) 3494 * @see #setTextColor(ColorStateList) 3495 * @see #setLinkTextColor(ColorStateList) 3496 * 3497 * @attr ref android.R.styleable#TextView_textColorHint 3498 */ 3499 public final void setHintTextColor(ColorStateList colors) { 3500 mHintTextColor = colors; 3501 updateTextColors(); 3502 } 3503 3504 /** 3505 * @return the color of the hint text, for the different states of this TextView. 3506 * 3507 * @see #setHintTextColor(ColorStateList) 3508 * @see #setHintTextColor(int) 3509 * @see #setTextColor(ColorStateList) 3510 * @see #setLinkTextColor(ColorStateList) 3511 * 3512 * @attr ref android.R.styleable#TextView_textColorHint 3513 */ 3514 public final ColorStateList getHintTextColors() { 3515 return mHintTextColor; 3516 } 3517 3518 /** 3519 * <p>Return the current color selected to paint the hint text.</p> 3520 * 3521 * @return Returns the current hint text color. 3522 */ 3523 @ColorInt 3524 public final int getCurrentHintTextColor() { 3525 return mHintTextColor != null ? mCurHintTextColor : mCurTextColor; 3526 } 3527 3528 /** 3529 * Sets the color of links in the text. 3530 * 3531 * @see #setLinkTextColor(ColorStateList) 3532 * @see #getLinkTextColors() 3533 * 3534 * @attr ref android.R.styleable#TextView_textColorLink 3535 */ 3536 @android.view.RemotableViewMethod 3537 public final void setLinkTextColor(@ColorInt int color) { 3538 mLinkTextColor = ColorStateList.valueOf(color); 3539 updateTextColors(); 3540 } 3541 3542 /** 3543 * Sets the color of links in the text. 3544 * 3545 * @see #setLinkTextColor(int) 3546 * @see #getLinkTextColors() 3547 * @see #setTextColor(ColorStateList) 3548 * @see #setHintTextColor(ColorStateList) 3549 * 3550 * @attr ref android.R.styleable#TextView_textColorLink 3551 */ 3552 public final void setLinkTextColor(ColorStateList colors) { 3553 mLinkTextColor = colors; 3554 updateTextColors(); 3555 } 3556 3557 /** 3558 * @return the list of colors used to paint the links in the text, for the different states of 3559 * this TextView 3560 * 3561 * @see #setLinkTextColor(ColorStateList) 3562 * @see #setLinkTextColor(int) 3563 * 3564 * @attr ref android.R.styleable#TextView_textColorLink 3565 */ 3566 public final ColorStateList getLinkTextColors() { 3567 return mLinkTextColor; 3568 } 3569 3570 /** 3571 * Sets the horizontal alignment of the text and the 3572 * vertical gravity that will be used when there is extra space 3573 * in the TextView beyond what is required for the text itself. 3574 * 3575 * @see android.view.Gravity 3576 * @attr ref android.R.styleable#TextView_gravity 3577 */ 3578 public void setGravity(int gravity) { 3579 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) == 0) { 3580 gravity |= Gravity.START; 3581 } 3582 if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 3583 gravity |= Gravity.TOP; 3584 } 3585 3586 boolean newLayout = false; 3587 3588 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) != 3589 (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK)) { 3590 newLayout = true; 3591 } 3592 3593 if (gravity != mGravity) { 3594 invalidate(); 3595 } 3596 3597 mGravity = gravity; 3598 3599 if (mLayout != null && newLayout) { 3600 // XXX this is heavy-handed because no actual content changes. 3601 int want = mLayout.getWidth(); 3602 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 3603 3604 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 3605 mRight - mLeft - getCompoundPaddingLeft() - 3606 getCompoundPaddingRight(), true); 3607 } 3608 } 3609 3610 /** 3611 * Returns the horizontal and vertical alignment of this TextView. 3612 * 3613 * @see android.view.Gravity 3614 * @attr ref android.R.styleable#TextView_gravity 3615 */ 3616 public int getGravity() { 3617 return mGravity; 3618 } 3619 3620 /** 3621 * @return the flags on the Paint being used to display the text. 3622 * @see Paint#getFlags 3623 */ 3624 public int getPaintFlags() { 3625 return mTextPaint.getFlags(); 3626 } 3627 3628 /** 3629 * Sets flags on the Paint being used to display the text and 3630 * reflows the text if they are different from the old flags. 3631 * @see Paint#setFlags 3632 */ 3633 @android.view.RemotableViewMethod 3634 public void setPaintFlags(int flags) { 3635 if (mTextPaint.getFlags() != flags) { 3636 mTextPaint.setFlags(flags); 3637 3638 if (mLayout != null) { 3639 nullLayouts(); 3640 requestLayout(); 3641 invalidate(); 3642 } 3643 } 3644 } 3645 3646 /** 3647 * Sets whether the text should be allowed to be wider than the 3648 * View is. If false, it will be wrapped to the width of the View. 3649 * 3650 * @attr ref android.R.styleable#TextView_scrollHorizontally 3651 */ 3652 public void setHorizontallyScrolling(boolean whether) { 3653 if (mHorizontallyScrolling != whether) { 3654 mHorizontallyScrolling = whether; 3655 3656 if (mLayout != null) { 3657 nullLayouts(); 3658 requestLayout(); 3659 invalidate(); 3660 } 3661 } 3662 } 3663 3664 /** 3665 * Returns whether the text is allowed to be wider than the View is. 3666 * If false, the text will be wrapped to the width of the View. 3667 * 3668 * @attr ref android.R.styleable#TextView_scrollHorizontally 3669 * @hide 3670 */ 3671 public boolean getHorizontallyScrolling() { 3672 return mHorizontallyScrolling; 3673 } 3674 3675 /** 3676 * Makes the TextView at least this many lines tall. 3677 * 3678 * Setting this value overrides any other (minimum) height setting. A single line TextView will 3679 * set this value to 1. 3680 * 3681 * @see #getMinLines() 3682 * 3683 * @attr ref android.R.styleable#TextView_minLines 3684 */ 3685 @android.view.RemotableViewMethod 3686 public void setMinLines(int minlines) { 3687 mMinimum = minlines; 3688 mMinMode = LINES; 3689 3690 requestLayout(); 3691 invalidate(); 3692 } 3693 3694 /** 3695 * @return the minimum number of lines displayed in this TextView, or -1 if the minimum 3696 * height was set in pixels instead using {@link #setMinHeight(int) or #setHeight(int)}. 3697 * 3698 * @see #setMinLines(int) 3699 * 3700 * @attr ref android.R.styleable#TextView_minLines 3701 */ 3702 public int getMinLines() { 3703 return mMinMode == LINES ? mMinimum : -1; 3704 } 3705 3706 /** 3707 * Makes the TextView at least this many pixels tall. 3708 * 3709 * Setting this value overrides any other (minimum) number of lines setting. 3710 * 3711 * @attr ref android.R.styleable#TextView_minHeight 3712 */ 3713 @android.view.RemotableViewMethod 3714 public void setMinHeight(int minHeight) { 3715 mMinimum = minHeight; 3716 mMinMode = PIXELS; 3717 3718 requestLayout(); 3719 invalidate(); 3720 } 3721 3722 /** 3723 * @return the minimum height of this TextView expressed in pixels, or -1 if the minimum 3724 * height was set in number of lines instead using {@link #setMinLines(int) or #setLines(int)}. 3725 * 3726 * @see #setMinHeight(int) 3727 * 3728 * @attr ref android.R.styleable#TextView_minHeight 3729 */ 3730 public int getMinHeight() { 3731 return mMinMode == PIXELS ? mMinimum : -1; 3732 } 3733 3734 /** 3735 * Makes the TextView at most this many lines tall. 3736 * 3737 * Setting this value overrides any other (maximum) height setting. 3738 * 3739 * @attr ref android.R.styleable#TextView_maxLines 3740 */ 3741 @android.view.RemotableViewMethod 3742 public void setMaxLines(int maxlines) { 3743 mMaximum = maxlines; 3744 mMaxMode = LINES; 3745 3746 requestLayout(); 3747 invalidate(); 3748 } 3749 3750 /** 3751 * @return the maximum number of lines displayed in this TextView, or -1 if the maximum 3752 * height was set in pixels instead using {@link #setMaxHeight(int) or #setHeight(int)}. 3753 * 3754 * @see #setMaxLines(int) 3755 * 3756 * @attr ref android.R.styleable#TextView_maxLines 3757 */ 3758 public int getMaxLines() { 3759 return mMaxMode == LINES ? mMaximum : -1; 3760 } 3761 3762 /** 3763 * Makes the TextView at most this many pixels tall. This option is mutually exclusive with the 3764 * {@link #setMaxLines(int)} method. 3765 * 3766 * Setting this value overrides any other (maximum) number of lines setting. 3767 * 3768 * @attr ref android.R.styleable#TextView_maxHeight 3769 */ 3770 @android.view.RemotableViewMethod 3771 public void setMaxHeight(int maxHeight) { 3772 mMaximum = maxHeight; 3773 mMaxMode = PIXELS; 3774 3775 requestLayout(); 3776 invalidate(); 3777 } 3778 3779 /** 3780 * @return the maximum height of this TextView expressed in pixels, or -1 if the maximum 3781 * height was set in number of lines instead using {@link #setMaxLines(int) or #setLines(int)}. 3782 * 3783 * @see #setMaxHeight(int) 3784 * 3785 * @attr ref android.R.styleable#TextView_maxHeight 3786 */ 3787 public int getMaxHeight() { 3788 return mMaxMode == PIXELS ? mMaximum : -1; 3789 } 3790 3791 /** 3792 * Makes the TextView exactly this many lines tall. 3793 * 3794 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3795 * height setting. A single line TextView will set this value to 1. 3796 * 3797 * @attr ref android.R.styleable#TextView_lines 3798 */ 3799 @android.view.RemotableViewMethod 3800 public void setLines(int lines) { 3801 mMaximum = mMinimum = lines; 3802 mMaxMode = mMinMode = LINES; 3803 3804 requestLayout(); 3805 invalidate(); 3806 } 3807 3808 /** 3809 * Makes the TextView exactly this many pixels tall. 3810 * You could do the same thing by specifying this number in the 3811 * LayoutParams. 3812 * 3813 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3814 * height setting. 3815 * 3816 * @attr ref android.R.styleable#TextView_height 3817 */ 3818 @android.view.RemotableViewMethod 3819 public void setHeight(int pixels) { 3820 mMaximum = mMinimum = pixels; 3821 mMaxMode = mMinMode = PIXELS; 3822 3823 requestLayout(); 3824 invalidate(); 3825 } 3826 3827 /** 3828 * Makes the TextView at least this many ems wide 3829 * 3830 * @attr ref android.R.styleable#TextView_minEms 3831 */ 3832 @android.view.RemotableViewMethod 3833 public void setMinEms(int minems) { 3834 mMinWidth = minems; 3835 mMinWidthMode = EMS; 3836 3837 requestLayout(); 3838 invalidate(); 3839 } 3840 3841 /** 3842 * @return the minimum width of the TextView, expressed in ems or -1 if the minimum width 3843 * was set in pixels instead (using {@link #setMinWidth(int)} or {@link #setWidth(int)}). 3844 * 3845 * @see #setMinEms(int) 3846 * @see #setEms(int) 3847 * 3848 * @attr ref android.R.styleable#TextView_minEms 3849 */ 3850 public int getMinEms() { 3851 return mMinWidthMode == EMS ? mMinWidth : -1; 3852 } 3853 3854 /** 3855 * Makes the TextView at least this many pixels wide 3856 * 3857 * @attr ref android.R.styleable#TextView_minWidth 3858 */ 3859 @android.view.RemotableViewMethod 3860 public void setMinWidth(int minpixels) { 3861 mMinWidth = minpixels; 3862 mMinWidthMode = PIXELS; 3863 3864 requestLayout(); 3865 invalidate(); 3866 } 3867 3868 /** 3869 * @return the minimum width of the TextView, in pixels or -1 if the minimum width 3870 * was set in ems instead (using {@link #setMinEms(int)} or {@link #setEms(int)}). 3871 * 3872 * @see #setMinWidth(int) 3873 * @see #setWidth(int) 3874 * 3875 * @attr ref android.R.styleable#TextView_minWidth 3876 */ 3877 public int getMinWidth() { 3878 return mMinWidthMode == PIXELS ? mMinWidth : -1; 3879 } 3880 3881 /** 3882 * Makes the TextView at most this many ems wide 3883 * 3884 * @attr ref android.R.styleable#TextView_maxEms 3885 */ 3886 @android.view.RemotableViewMethod 3887 public void setMaxEms(int maxems) { 3888 mMaxWidth = maxems; 3889 mMaxWidthMode = EMS; 3890 3891 requestLayout(); 3892 invalidate(); 3893 } 3894 3895 /** 3896 * @return the maximum width of the TextView, expressed in ems or -1 if the maximum width 3897 * was set in pixels instead (using {@link #setMaxWidth(int)} or {@link #setWidth(int)}). 3898 * 3899 * @see #setMaxEms(int) 3900 * @see #setEms(int) 3901 * 3902 * @attr ref android.R.styleable#TextView_maxEms 3903 */ 3904 public int getMaxEms() { 3905 return mMaxWidthMode == EMS ? mMaxWidth : -1; 3906 } 3907 3908 /** 3909 * Makes the TextView at most this many pixels wide 3910 * 3911 * @attr ref android.R.styleable#TextView_maxWidth 3912 */ 3913 @android.view.RemotableViewMethod 3914 public void setMaxWidth(int maxpixels) { 3915 mMaxWidth = maxpixels; 3916 mMaxWidthMode = PIXELS; 3917 3918 requestLayout(); 3919 invalidate(); 3920 } 3921 3922 /** 3923 * @return the maximum width of the TextView, in pixels or -1 if the maximum width 3924 * was set in ems instead (using {@link #setMaxEms(int)} or {@link #setEms(int)}). 3925 * 3926 * @see #setMaxWidth(int) 3927 * @see #setWidth(int) 3928 * 3929 * @attr ref android.R.styleable#TextView_maxWidth 3930 */ 3931 public int getMaxWidth() { 3932 return mMaxWidthMode == PIXELS ? mMaxWidth : -1; 3933 } 3934 3935 /** 3936 * Makes the TextView exactly this many ems wide 3937 * 3938 * @see #setMaxEms(int) 3939 * @see #setMinEms(int) 3940 * @see #getMinEms() 3941 * @see #getMaxEms() 3942 * 3943 * @attr ref android.R.styleable#TextView_ems 3944 */ 3945 @android.view.RemotableViewMethod 3946 public void setEms(int ems) { 3947 mMaxWidth = mMinWidth = ems; 3948 mMaxWidthMode = mMinWidthMode = EMS; 3949 3950 requestLayout(); 3951 invalidate(); 3952 } 3953 3954 /** 3955 * Makes the TextView exactly this many pixels wide. 3956 * You could do the same thing by specifying this number in the 3957 * LayoutParams. 3958 * 3959 * @see #setMaxWidth(int) 3960 * @see #setMinWidth(int) 3961 * @see #getMinWidth() 3962 * @see #getMaxWidth() 3963 * 3964 * @attr ref android.R.styleable#TextView_width 3965 */ 3966 @android.view.RemotableViewMethod 3967 public void setWidth(int pixels) { 3968 mMaxWidth = mMinWidth = pixels; 3969 mMaxWidthMode = mMinWidthMode = PIXELS; 3970 3971 requestLayout(); 3972 invalidate(); 3973 } 3974 3975 /** 3976 * Sets line spacing for this TextView. Each line will have its height 3977 * multiplied by <code>mult</code> and have <code>add</code> added to it. 3978 * 3979 * @attr ref android.R.styleable#TextView_lineSpacingExtra 3980 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 3981 */ 3982 public void setLineSpacing(float add, float mult) { 3983 if (mSpacingAdd != add || mSpacingMult != mult) { 3984 mSpacingAdd = add; 3985 mSpacingMult = mult; 3986 3987 if (mLayout != null) { 3988 nullLayouts(); 3989 requestLayout(); 3990 invalidate(); 3991 } 3992 } 3993 } 3994 3995 /** 3996 * Gets the line spacing multiplier 3997 * 3998 * @return the value by which each line's height is multiplied to get its actual height. 3999 * 4000 * @see #setLineSpacing(float, float) 4001 * @see #getLineSpacingExtra() 4002 * 4003 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 4004 */ 4005 public float getLineSpacingMultiplier() { 4006 return mSpacingMult; 4007 } 4008 4009 /** 4010 * Gets the line spacing extra space 4011 * 4012 * @return the extra space that is added to the height of each lines of this TextView. 4013 * 4014 * @see #setLineSpacing(float, float) 4015 * @see #getLineSpacingMultiplier() 4016 * 4017 * @attr ref android.R.styleable#TextView_lineSpacingExtra 4018 */ 4019 public float getLineSpacingExtra() { 4020 return mSpacingAdd; 4021 } 4022 4023 /** 4024 * Convenience method: Append the specified text to the TextView's 4025 * display buffer, upgrading it to BufferType.EDITABLE if it was 4026 * not already editable. 4027 */ 4028 public final void append(CharSequence text) { 4029 append(text, 0, text.length()); 4030 } 4031 4032 /** 4033 * Convenience method: Append the specified text slice to the TextView's 4034 * display buffer, upgrading it to BufferType.EDITABLE if it was 4035 * not already editable. 4036 */ 4037 public void append(CharSequence text, int start, int end) { 4038 if (!(mText instanceof Editable)) { 4039 setText(mText, BufferType.EDITABLE); 4040 } 4041 4042 ((Editable) mText).append(text, start, end); 4043 4044 if (mAutoLinkMask != 0) { 4045 boolean linksWereAdded = Linkify.addLinks((Spannable) mText, mAutoLinkMask); 4046 // Do not change the movement method for text that support text selection as it 4047 // would prevent an arbitrary cursor displacement. 4048 if (linksWereAdded && mLinksClickable && !textCanBeSelected()) { 4049 setMovementMethod(LinkMovementMethod.getInstance()); 4050 } 4051 } 4052 } 4053 4054 private void updateTextColors() { 4055 boolean inval = false; 4056 int color = mTextColor.getColorForState(getDrawableState(), 0); 4057 if (color != mCurTextColor) { 4058 mCurTextColor = color; 4059 inval = true; 4060 } 4061 if (mLinkTextColor != null) { 4062 color = mLinkTextColor.getColorForState(getDrawableState(), 0); 4063 if (color != mTextPaint.linkColor) { 4064 mTextPaint.linkColor = color; 4065 inval = true; 4066 } 4067 } 4068 if (mHintTextColor != null) { 4069 color = mHintTextColor.getColorForState(getDrawableState(), 0); 4070 if (color != mCurHintTextColor) { 4071 mCurHintTextColor = color; 4072 if (mText.length() == 0) { 4073 inval = true; 4074 } 4075 } 4076 } 4077 if (inval) { 4078 // Text needs to be redrawn with the new color 4079 if (mEditor != null) mEditor.invalidateTextDisplayList(); 4080 invalidate(); 4081 } 4082 } 4083 4084 @Override 4085 protected void drawableStateChanged() { 4086 super.drawableStateChanged(); 4087 4088 if (mTextColor != null && mTextColor.isStateful() 4089 || (mHintTextColor != null && mHintTextColor.isStateful()) 4090 || (mLinkTextColor != null && mLinkTextColor.isStateful())) { 4091 updateTextColors(); 4092 } 4093 4094 if (mDrawables != null) { 4095 final int[] state = getDrawableState(); 4096 for (Drawable dr : mDrawables.mShowing) { 4097 if (dr != null && dr.isStateful() && dr.setState(state)) { 4098 invalidateDrawable(dr); 4099 } 4100 } 4101 } 4102 } 4103 4104 @Override 4105 public void drawableHotspotChanged(float x, float y) { 4106 super.drawableHotspotChanged(x, y); 4107 4108 if (mDrawables != null) { 4109 for (Drawable dr : mDrawables.mShowing) { 4110 if (dr != null) { 4111 dr.setHotspot(x, y); 4112 } 4113 } 4114 } 4115 } 4116 4117 @Override 4118 public Parcelable onSaveInstanceState() { 4119 Parcelable superState = super.onSaveInstanceState(); 4120 4121 // Save state if we are forced to 4122 final boolean freezesText = getFreezesText(); 4123 boolean hasSelection = false; 4124 int start = -1; 4125 int end = -1; 4126 4127 if (mText != null) { 4128 start = getSelectionStart(); 4129 end = getSelectionEnd(); 4130 if (start >= 0 || end >= 0) { 4131 // Or save state if there is a selection 4132 hasSelection = true; 4133 } 4134 } 4135 4136 if (freezesText || hasSelection) { 4137 SavedState ss = new SavedState(superState); 4138 4139 if (freezesText) { 4140 if (mText instanceof Spanned) { 4141 final Spannable sp = new SpannableStringBuilder(mText); 4142 4143 if (mEditor != null) { 4144 removeMisspelledSpans(sp); 4145 sp.removeSpan(mEditor.mSuggestionRangeSpan); 4146 } 4147 4148 ss.text = sp; 4149 } else { 4150 ss.text = mText.toString(); 4151 } 4152 } 4153 4154 if (hasSelection) { 4155 // XXX Should also save the current scroll position! 4156 ss.selStart = start; 4157 ss.selEnd = end; 4158 } 4159 4160 if (isFocused() && start >= 0 && end >= 0) { 4161 ss.frozenWithFocus = true; 4162 } 4163 4164 ss.error = getError(); 4165 4166 if (mEditor != null) { 4167 ss.editorState = mEditor.saveInstanceState(); 4168 } 4169 return ss; 4170 } 4171 4172 return superState; 4173 } 4174 4175 void removeMisspelledSpans(Spannable spannable) { 4176 SuggestionSpan[] suggestionSpans = spannable.getSpans(0, spannable.length(), 4177 SuggestionSpan.class); 4178 for (int i = 0; i < suggestionSpans.length; i++) { 4179 int flags = suggestionSpans[i].getFlags(); 4180 if ((flags & SuggestionSpan.FLAG_EASY_CORRECT) != 0 4181 && (flags & SuggestionSpan.FLAG_MISSPELLED) != 0) { 4182 spannable.removeSpan(suggestionSpans[i]); 4183 } 4184 } 4185 } 4186 4187 @Override 4188 public void onRestoreInstanceState(Parcelable state) { 4189 if (!(state instanceof SavedState)) { 4190 super.onRestoreInstanceState(state); 4191 return; 4192 } 4193 4194 SavedState ss = (SavedState)state; 4195 super.onRestoreInstanceState(ss.getSuperState()); 4196 4197 // XXX restore buffer type too, as well as lots of other stuff 4198 if (ss.text != null) { 4199 setText(ss.text); 4200 } 4201 4202 if (ss.selStart >= 0 && ss.selEnd >= 0) { 4203 if (mText instanceof Spannable) { 4204 int len = mText.length(); 4205 4206 if (ss.selStart > len || ss.selEnd > len) { 4207 String restored = ""; 4208 4209 if (ss.text != null) { 4210 restored = "(restored) "; 4211 } 4212 4213 Log.e(LOG_TAG, "Saved cursor position " + ss.selStart + 4214 "/" + ss.selEnd + " out of range for " + restored + 4215 "text " + mText); 4216 } else { 4217 Selection.setSelection((Spannable) mText, ss.selStart, ss.selEnd); 4218 4219 if (ss.frozenWithFocus) { 4220 createEditorIfNeeded(); 4221 mEditor.mFrozenWithFocus = true; 4222 } 4223 } 4224 } 4225 } 4226 4227 if (ss.error != null) { 4228 final CharSequence error = ss.error; 4229 // Display the error later, after the first layout pass 4230 post(new Runnable() { 4231 public void run() { 4232 if (mEditor == null || !mEditor.mErrorWasChanged) { 4233 setError(error); 4234 } 4235 } 4236 }); 4237 } 4238 4239 if (ss.editorState != null) { 4240 createEditorIfNeeded(); 4241 mEditor.restoreInstanceState(ss.editorState); 4242 } 4243 } 4244 4245 /** 4246 * Control whether this text view saves its entire text contents when 4247 * freezing to an icicle, in addition to dynamic state such as cursor 4248 * position. By default this is false, not saving the text. Set to true 4249 * if the text in the text view is not being saved somewhere else in 4250 * persistent storage (such as in a content provider) so that if the 4251 * view is later thawed the user will not lose their data. For 4252 * {@link android.widget.EditText} it is always enabled, regardless of 4253 * the value of the attribute. 4254 * 4255 * @param freezesText Controls whether a frozen icicle should include the 4256 * entire text data: true to include it, false to not. 4257 * 4258 * @attr ref android.R.styleable#TextView_freezesText 4259 */ 4260 @android.view.RemotableViewMethod 4261 public void setFreezesText(boolean freezesText) { 4262 mFreezesText = freezesText; 4263 } 4264 4265 /** 4266 * Return whether this text view is including its entire text contents 4267 * in frozen icicles. For {@link android.widget.EditText} it always returns true. 4268 * 4269 * @return Returns true if text is included, false if it isn't. 4270 * 4271 * @see #setFreezesText 4272 */ 4273 public boolean getFreezesText() { 4274 return mFreezesText; 4275 } 4276 4277 /////////////////////////////////////////////////////////////////////////// 4278 4279 /** 4280 * Sets the Factory used to create new Editables. 4281 */ 4282 public final void setEditableFactory(Editable.Factory factory) { 4283 mEditableFactory = factory; 4284 setText(mText); 4285 } 4286 4287 /** 4288 * Sets the Factory used to create new Spannables. 4289 */ 4290 public final void setSpannableFactory(Spannable.Factory factory) { 4291 mSpannableFactory = factory; 4292 setText(mText); 4293 } 4294 4295 /** 4296 * Sets the string value of the TextView. TextView <em>does not</em> accept 4297 * HTML-like formatting, which you can do with text strings in XML resource files. 4298 * To style your strings, attach android.text.style.* objects to a 4299 * {@link android.text.SpannableString SpannableString}, or see the 4300 * <a href="{@docRoot}guide/topics/resources/available-resources.html#stringresources"> 4301 * Available Resource Types</a> documentation for an example of setting 4302 * formatted text in the XML resource file. 4303 * 4304 * @attr ref android.R.styleable#TextView_text 4305 */ 4306 @android.view.RemotableViewMethod 4307 public final void setText(CharSequence text) { 4308 setText(text, mBufferType); 4309 } 4310 4311 /** 4312 * Like {@link #setText(CharSequence)}, 4313 * except that the cursor position (if any) is retained in the new text. 4314 * 4315 * @param text The new text to place in the text view. 4316 * 4317 * @see #setText(CharSequence) 4318 */ 4319 @android.view.RemotableViewMethod 4320 public final void setTextKeepState(CharSequence text) { 4321 setTextKeepState(text, mBufferType); 4322 } 4323 4324 /** 4325 * Sets the text that this TextView is to display (see 4326 * {@link #setText(CharSequence)}) and also sets whether it is stored 4327 * in a styleable/spannable buffer and whether it is editable. 4328 * 4329 * @attr ref android.R.styleable#TextView_text 4330 * @attr ref android.R.styleable#TextView_bufferType 4331 */ 4332 public void setText(CharSequence text, BufferType type) { 4333 setText(text, type, true, 0); 4334 4335 if (mCharWrapper != null) { 4336 mCharWrapper.mChars = null; 4337 } 4338 } 4339 4340 private void setText(CharSequence text, BufferType type, 4341 boolean notifyBefore, int oldlen) { 4342 if (text == null) { 4343 text = ""; 4344 } 4345 4346 // If suggestions are not enabled, remove the suggestion spans from the text 4347 if (!isSuggestionsEnabled()) { 4348 text = removeSuggestionSpans(text); 4349 } 4350 4351 if (!mUserSetTextScaleX) mTextPaint.setTextScaleX(1.0f); 4352 4353 if (text instanceof Spanned && 4354 ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) { 4355 if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) { 4356 setHorizontalFadingEdgeEnabled(true); 4357 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 4358 } else { 4359 setHorizontalFadingEdgeEnabled(false); 4360 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 4361 } 4362 setEllipsize(TextUtils.TruncateAt.MARQUEE); 4363 } 4364 4365 int n = mFilters.length; 4366 for (int i = 0; i < n; i++) { 4367 CharSequence out = mFilters[i].filter(text, 0, text.length(), EMPTY_SPANNED, 0, 0); 4368 if (out != null) { 4369 text = out; 4370 } 4371 } 4372 4373 if (notifyBefore) { 4374 if (mText != null) { 4375 oldlen = mText.length(); 4376 sendBeforeTextChanged(mText, 0, oldlen, text.length()); 4377 } else { 4378 sendBeforeTextChanged("", 0, 0, text.length()); 4379 } 4380 } 4381 4382 boolean needEditableForNotification = false; 4383 4384 if (mListeners != null && mListeners.size() != 0) { 4385 needEditableForNotification = true; 4386 } 4387 4388 if (type == BufferType.EDITABLE || getKeyListener() != null || 4389 needEditableForNotification) { 4390 createEditorIfNeeded(); 4391 mEditor.forgetUndoRedo(); 4392 Editable t = mEditableFactory.newEditable(text); 4393 text = t; 4394 setFilters(t, mFilters); 4395 InputMethodManager imm = InputMethodManager.peekInstance(); 4396 if (imm != null) imm.restartInput(this); 4397 } else if (type == BufferType.SPANNABLE || mMovement != null) { 4398 text = mSpannableFactory.newSpannable(text); 4399 } else if (!(text instanceof CharWrapper)) { 4400 text = TextUtils.stringOrSpannedString(text); 4401 } 4402 4403 if (mAutoLinkMask != 0) { 4404 Spannable s2; 4405 4406 if (type == BufferType.EDITABLE || text instanceof Spannable) { 4407 s2 = (Spannable) text; 4408 } else { 4409 s2 = mSpannableFactory.newSpannable(text); 4410 } 4411 4412 if (Linkify.addLinks(s2, mAutoLinkMask)) { 4413 text = s2; 4414 type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE; 4415 4416 /* 4417 * We must go ahead and set the text before changing the 4418 * movement method, because setMovementMethod() may call 4419 * setText() again to try to upgrade the buffer type. 4420 */ 4421 mText = text; 4422 4423 // Do not change the movement method for text that support text selection as it 4424 // would prevent an arbitrary cursor displacement. 4425 if (mLinksClickable && !textCanBeSelected()) { 4426 setMovementMethod(LinkMovementMethod.getInstance()); 4427 } 4428 } 4429 } 4430 4431 mBufferType = type; 4432 mText = text; 4433 4434 if (mTransformation == null) { 4435 mTransformed = text; 4436 } else { 4437 mTransformed = mTransformation.getTransformation(text, this); 4438 } 4439 4440 final int textLength = text.length(); 4441 4442 if (text instanceof Spannable && !mAllowTransformationLengthChange) { 4443 Spannable sp = (Spannable) text; 4444 4445 // Remove any ChangeWatchers that might have come from other TextViews. 4446 final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class); 4447 final int count = watchers.length; 4448 for (int i = 0; i < count; i++) { 4449 sp.removeSpan(watchers[i]); 4450 } 4451 4452 if (mChangeWatcher == null) mChangeWatcher = new ChangeWatcher(); 4453 4454 sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE | 4455 (CHANGE_WATCHER_PRIORITY << Spanned.SPAN_PRIORITY_SHIFT)); 4456 4457 if (mEditor != null) mEditor.addSpanWatchers(sp); 4458 4459 if (mTransformation != null) { 4460 sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 4461 } 4462 4463 if (mMovement != null) { 4464 mMovement.initialize(this, (Spannable) text); 4465 4466 /* 4467 * Initializing the movement method will have set the 4468 * selection, so reset mSelectionMoved to keep that from 4469 * interfering with the normal on-focus selection-setting. 4470 */ 4471 if (mEditor != null) mEditor.mSelectionMoved = false; 4472 } 4473 } 4474 4475 if (mLayout != null) { 4476 checkForRelayout(); 4477 } 4478 4479 sendOnTextChanged(text, 0, oldlen, textLength); 4480 onTextChanged(text, 0, oldlen, textLength); 4481 4482 notifyViewAccessibilityStateChangedIfNeeded(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT); 4483 4484 if (needEditableForNotification) { 4485 sendAfterTextChanged((Editable) text); 4486 } 4487 4488 // SelectionModifierCursorController depends on textCanBeSelected, which depends on text 4489 if (mEditor != null) mEditor.prepareCursorControllers(); 4490 } 4491 4492 /** 4493 * Sets the TextView to display the specified slice of the specified 4494 * char array. You must promise that you will not change the contents 4495 * of the array except for right before another call to setText(), 4496 * since the TextView has no way to know that the text 4497 * has changed and that it needs to invalidate and re-layout. 4498 */ 4499 public final void setText(char[] text, int start, int len) { 4500 int oldlen = 0; 4501 4502 if (start < 0 || len < 0 || start + len > text.length) { 4503 throw new IndexOutOfBoundsException(start + ", " + len); 4504 } 4505 4506 /* 4507 * We must do the before-notification here ourselves because if 4508 * the old text is a CharWrapper we destroy it before calling 4509 * into the normal path. 4510 */ 4511 if (mText != null) { 4512 oldlen = mText.length(); 4513 sendBeforeTextChanged(mText, 0, oldlen, len); 4514 } else { 4515 sendBeforeTextChanged("", 0, 0, len); 4516 } 4517 4518 if (mCharWrapper == null) { 4519 mCharWrapper = new CharWrapper(text, start, len); 4520 } else { 4521 mCharWrapper.set(text, start, len); 4522 } 4523 4524 setText(mCharWrapper, mBufferType, false, oldlen); 4525 } 4526 4527 /** 4528 * Like {@link #setText(CharSequence, android.widget.TextView.BufferType)}, 4529 * except that the cursor position (if any) is retained in the new text. 4530 * 4531 * @see #setText(CharSequence, android.widget.TextView.BufferType) 4532 */ 4533 public final void setTextKeepState(CharSequence text, BufferType type) { 4534 int start = getSelectionStart(); 4535 int end = getSelectionEnd(); 4536 int len = text.length(); 4537 4538 setText(text, type); 4539 4540 if (start >= 0 || end >= 0) { 4541 if (mText instanceof Spannable) { 4542 Selection.setSelection((Spannable) mText, 4543 Math.max(0, Math.min(start, len)), 4544 Math.max(0, Math.min(end, len))); 4545 } 4546 } 4547 } 4548 4549 @android.view.RemotableViewMethod 4550 public final void setText(@StringRes int resid) { 4551 setText(getContext().getResources().getText(resid)); 4552 } 4553 4554 public final void setText(@StringRes int resid, BufferType type) { 4555 setText(getContext().getResources().getText(resid), type); 4556 } 4557 4558 /** 4559 * Sets the text to be displayed when the text of the TextView is empty. 4560 * Null means to use the normal empty text. The hint does not currently 4561 * participate in determining the size of the view. 4562 * 4563 * @attr ref android.R.styleable#TextView_hint 4564 */ 4565 @android.view.RemotableViewMethod 4566 public final void setHint(CharSequence hint) { 4567 mHint = TextUtils.stringOrSpannedString(hint); 4568 4569 if (mLayout != null) { 4570 checkForRelayout(); 4571 } 4572 4573 if (mText.length() == 0) { 4574 invalidate(); 4575 } 4576 4577 // Invalidate display list if hint is currently used 4578 if (mEditor != null && mText.length() == 0 && mHint != null) { 4579 mEditor.invalidateTextDisplayList(); 4580 } 4581 } 4582 4583 /** 4584 * Sets the text to be displayed when the text of the TextView is empty, 4585 * from a resource. 4586 * 4587 * @attr ref android.R.styleable#TextView_hint 4588 */ 4589 @android.view.RemotableViewMethod 4590 public final void setHint(@StringRes int resid) { 4591 setHint(getContext().getResources().getText(resid)); 4592 } 4593 4594 /** 4595 * Returns the hint that is displayed when the text of the TextView 4596 * is empty. 4597 * 4598 * @attr ref android.R.styleable#TextView_hint 4599 */ 4600 @ViewDebug.CapturedViewProperty 4601 public CharSequence getHint() { 4602 return mHint; 4603 } 4604 4605 boolean isSingleLine() { 4606 return mSingleLine; 4607 } 4608 4609 private static boolean isMultilineInputType(int type) { 4610 return (type & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) == 4611 (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 4612 } 4613 4614 /** 4615 * Removes the suggestion spans. 4616 */ 4617 CharSequence removeSuggestionSpans(CharSequence text) { 4618 if (text instanceof Spanned) { 4619 Spannable spannable; 4620 if (text instanceof Spannable) { 4621 spannable = (Spannable) text; 4622 } else { 4623 spannable = new SpannableString(text); 4624 text = spannable; 4625 } 4626 4627 SuggestionSpan[] spans = spannable.getSpans(0, text.length(), SuggestionSpan.class); 4628 for (int i = 0; i < spans.length; i++) { 4629 spannable.removeSpan(spans[i]); 4630 } 4631 } 4632 return text; 4633 } 4634 4635 /** 4636 * Set the type of the content with a constant as defined for {@link EditorInfo#inputType}. This 4637 * will take care of changing the key listener, by calling {@link #setKeyListener(KeyListener)}, 4638 * to match the given content type. If the given content type is {@link EditorInfo#TYPE_NULL} 4639 * then a soft keyboard will not be displayed for this text view. 4640 * 4641 * Note that the maximum number of displayed lines (see {@link #setMaxLines(int)}) will be 4642 * modified if you change the {@link EditorInfo#TYPE_TEXT_FLAG_MULTI_LINE} flag of the input 4643 * type. 4644 * 4645 * @see #getInputType() 4646 * @see #setRawInputType(int) 4647 * @see android.text.InputType 4648 * @attr ref android.R.styleable#TextView_inputType 4649 */ 4650 public void setInputType(int type) { 4651 final boolean wasPassword = isPasswordInputType(getInputType()); 4652 final boolean wasVisiblePassword = isVisiblePasswordInputType(getInputType()); 4653 setInputType(type, false); 4654 final boolean isPassword = isPasswordInputType(type); 4655 final boolean isVisiblePassword = isVisiblePasswordInputType(type); 4656 boolean forceUpdate = false; 4657 if (isPassword) { 4658 setTransformationMethod(PasswordTransformationMethod.getInstance()); 4659 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 4660 } else if (isVisiblePassword) { 4661 if (mTransformation == PasswordTransformationMethod.getInstance()) { 4662 forceUpdate = true; 4663 } 4664 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 4665 } else if (wasPassword || wasVisiblePassword) { 4666 // not in password mode, clean up typeface and transformation 4667 setTypefaceFromAttrs(null /* fontFamily */, -1, -1); 4668 if (mTransformation == PasswordTransformationMethod.getInstance()) { 4669 forceUpdate = true; 4670 } 4671 } 4672 4673 boolean singleLine = !isMultilineInputType(type); 4674 4675 // We need to update the single line mode if it has changed or we 4676 // were previously in password mode. 4677 if (mSingleLine != singleLine || forceUpdate) { 4678 // Change single line mode, but only change the transformation if 4679 // we are not in password mode. 4680 applySingleLine(singleLine, !isPassword, true); 4681 } 4682 4683 if (!isSuggestionsEnabled()) { 4684 mText = removeSuggestionSpans(mText); 4685 } 4686 4687 InputMethodManager imm = InputMethodManager.peekInstance(); 4688 if (imm != null) imm.restartInput(this); 4689 } 4690 4691 /** 4692 * It would be better to rely on the input type for everything. A password inputType should have 4693 * a password transformation. We should hence use isPasswordInputType instead of this method. 4694 * 4695 * We should: 4696 * - Call setInputType in setKeyListener instead of changing the input type directly (which 4697 * would install the correct transformation). 4698 * - Refuse the installation of a non-password transformation in setTransformation if the input 4699 * type is password. 4700 * 4701 * However, this is like this for legacy reasons and we cannot break existing apps. This method 4702 * is useful since it matches what the user can see (obfuscated text or not). 4703 * 4704 * @return true if the current transformation method is of the password type. 4705 */ 4706 boolean hasPasswordTransformationMethod() { 4707 return mTransformation instanceof PasswordTransformationMethod; 4708 } 4709 4710 private static boolean isPasswordInputType(int inputType) { 4711 final int variation = 4712 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4713 return variation 4714 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD) 4715 || variation 4716 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD) 4717 || variation 4718 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 4719 } 4720 4721 private static boolean isVisiblePasswordInputType(int inputType) { 4722 final int variation = 4723 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4724 return variation 4725 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 4726 } 4727 4728 /** 4729 * Directly change the content type integer of the text view, without 4730 * modifying any other state. 4731 * @see #setInputType(int) 4732 * @see android.text.InputType 4733 * @attr ref android.R.styleable#TextView_inputType 4734 */ 4735 public void setRawInputType(int type) { 4736 if (type == InputType.TYPE_NULL && mEditor == null) return; //TYPE_NULL is the default value 4737 createEditorIfNeeded(); 4738 mEditor.mInputType = type; 4739 } 4740 4741 private void setInputType(int type, boolean direct) { 4742 final int cls = type & EditorInfo.TYPE_MASK_CLASS; 4743 KeyListener input; 4744 if (cls == EditorInfo.TYPE_CLASS_TEXT) { 4745 boolean autotext = (type & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) != 0; 4746 TextKeyListener.Capitalize cap; 4747 if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS) != 0) { 4748 cap = TextKeyListener.Capitalize.CHARACTERS; 4749 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS) != 0) { 4750 cap = TextKeyListener.Capitalize.WORDS; 4751 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES) != 0) { 4752 cap = TextKeyListener.Capitalize.SENTENCES; 4753 } else { 4754 cap = TextKeyListener.Capitalize.NONE; 4755 } 4756 input = TextKeyListener.getInstance(autotext, cap); 4757 } else if (cls == EditorInfo.TYPE_CLASS_NUMBER) { 4758 input = DigitsKeyListener.getInstance( 4759 (type & EditorInfo.TYPE_NUMBER_FLAG_SIGNED) != 0, 4760 (type & EditorInfo.TYPE_NUMBER_FLAG_DECIMAL) != 0); 4761 } else if (cls == EditorInfo.TYPE_CLASS_DATETIME) { 4762 switch (type & EditorInfo.TYPE_MASK_VARIATION) { 4763 case EditorInfo.TYPE_DATETIME_VARIATION_DATE: 4764 input = DateKeyListener.getInstance(); 4765 break; 4766 case EditorInfo.TYPE_DATETIME_VARIATION_TIME: 4767 input = TimeKeyListener.getInstance(); 4768 break; 4769 default: 4770 input = DateTimeKeyListener.getInstance(); 4771 break; 4772 } 4773 } else if (cls == EditorInfo.TYPE_CLASS_PHONE) { 4774 input = DialerKeyListener.getInstance(); 4775 } else { 4776 input = TextKeyListener.getInstance(); 4777 } 4778 setRawInputType(type); 4779 if (direct) { 4780 createEditorIfNeeded(); 4781 mEditor.mKeyListener = input; 4782 } else { 4783 setKeyListenerOnly(input); 4784 } 4785 } 4786 4787 /** 4788 * Get the type of the editable content. 4789 * 4790 * @see #setInputType(int) 4791 * @see android.text.InputType 4792 */ 4793 public int getInputType() { 4794 return mEditor == null ? EditorInfo.TYPE_NULL : mEditor.mInputType; 4795 } 4796 4797 /** 4798 * Change the editor type integer associated with the text view, which 4799 * will be reported to an IME with {@link EditorInfo#imeOptions} when it 4800 * has focus. 4801 * @see #getImeOptions 4802 * @see android.view.inputmethod.EditorInfo 4803 * @attr ref android.R.styleable#TextView_imeOptions 4804 */ 4805 public void setImeOptions(int imeOptions) { 4806 createEditorIfNeeded(); 4807 mEditor.createInputContentTypeIfNeeded(); 4808 mEditor.mInputContentType.imeOptions = imeOptions; 4809 } 4810 4811 /** 4812 * Get the type of the IME editor. 4813 * 4814 * @see #setImeOptions(int) 4815 * @see android.view.inputmethod.EditorInfo 4816 */ 4817 public int getImeOptions() { 4818 return mEditor != null && mEditor.mInputContentType != null 4819 ? mEditor.mInputContentType.imeOptions : EditorInfo.IME_NULL; 4820 } 4821 4822 /** 4823 * Change the custom IME action associated with the text view, which 4824 * will be reported to an IME with {@link EditorInfo#actionLabel} 4825 * and {@link EditorInfo#actionId} when it has focus. 4826 * @see #getImeActionLabel 4827 * @see #getImeActionId 4828 * @see android.view.inputmethod.EditorInfo 4829 * @attr ref android.R.styleable#TextView_imeActionLabel 4830 * @attr ref android.R.styleable#TextView_imeActionId 4831 */ 4832 public void setImeActionLabel(CharSequence label, int actionId) { 4833 createEditorIfNeeded(); 4834 mEditor.createInputContentTypeIfNeeded(); 4835 mEditor.mInputContentType.imeActionLabel = label; 4836 mEditor.mInputContentType.imeActionId = actionId; 4837 } 4838 4839 /** 4840 * Get the IME action label previous set with {@link #setImeActionLabel}. 4841 * 4842 * @see #setImeActionLabel 4843 * @see android.view.inputmethod.EditorInfo 4844 */ 4845 public CharSequence getImeActionLabel() { 4846 return mEditor != null && mEditor.mInputContentType != null 4847 ? mEditor.mInputContentType.imeActionLabel : null; 4848 } 4849 4850 /** 4851 * Get the IME action ID previous set with {@link #setImeActionLabel}. 4852 * 4853 * @see #setImeActionLabel 4854 * @see android.view.inputmethod.EditorInfo 4855 */ 4856 public int getImeActionId() { 4857 return mEditor != null && mEditor.mInputContentType != null 4858 ? mEditor.mInputContentType.imeActionId : 0; 4859 } 4860 4861 /** 4862 * Set a special listener to be called when an action is performed 4863 * on the text view. This will be called when the enter key is pressed, 4864 * or when an action supplied to the IME is selected by the user. Setting 4865 * this means that the normal hard key event will not insert a newline 4866 * into the text view, even if it is multi-line; holding down the ALT 4867 * modifier will, however, allow the user to insert a newline character. 4868 */ 4869 public void setOnEditorActionListener(OnEditorActionListener l) { 4870 createEditorIfNeeded(); 4871 mEditor.createInputContentTypeIfNeeded(); 4872 mEditor.mInputContentType.onEditorActionListener = l; 4873 } 4874 4875 /** 4876 * Called when an attached input method calls 4877 * {@link InputConnection#performEditorAction(int) 4878 * InputConnection.performEditorAction()} 4879 * for this text view. The default implementation will call your action 4880 * listener supplied to {@link #setOnEditorActionListener}, or perform 4881 * a standard operation for {@link EditorInfo#IME_ACTION_NEXT 4882 * EditorInfo.IME_ACTION_NEXT}, {@link EditorInfo#IME_ACTION_PREVIOUS 4883 * EditorInfo.IME_ACTION_PREVIOUS}, or {@link EditorInfo#IME_ACTION_DONE 4884 * EditorInfo.IME_ACTION_DONE}. 4885 * 4886 * <p>For backwards compatibility, if no IME options have been set and the 4887 * text view would not normally advance focus on enter, then 4888 * the NEXT and DONE actions received here will be turned into an enter 4889 * key down/up pair to go through the normal key handling. 4890 * 4891 * @param actionCode The code of the action being performed. 4892 * 4893 * @see #setOnEditorActionListener 4894 */ 4895 public void onEditorAction(int actionCode) { 4896 final Editor.InputContentType ict = mEditor == null ? null : mEditor.mInputContentType; 4897 if (ict != null) { 4898 if (ict.onEditorActionListener != null) { 4899 if (ict.onEditorActionListener.onEditorAction(this, 4900 actionCode, null)) { 4901 return; 4902 } 4903 } 4904 4905 // This is the handling for some default action. 4906 // Note that for backwards compatibility we don't do this 4907 // default handling if explicit ime options have not been given, 4908 // instead turning this into the normal enter key codes that an 4909 // app may be expecting. 4910 if (actionCode == EditorInfo.IME_ACTION_NEXT) { 4911 View v = focusSearch(FOCUS_FORWARD); 4912 if (v != null) { 4913 if (!v.requestFocus(FOCUS_FORWARD)) { 4914 throw new IllegalStateException("focus search returned a view " + 4915 "that wasn't able to take focus!"); 4916 } 4917 } 4918 return; 4919 4920 } else if (actionCode == EditorInfo.IME_ACTION_PREVIOUS) { 4921 View v = focusSearch(FOCUS_BACKWARD); 4922 if (v != null) { 4923 if (!v.requestFocus(FOCUS_BACKWARD)) { 4924 throw new IllegalStateException("focus search returned a view " + 4925 "that wasn't able to take focus!"); 4926 } 4927 } 4928 return; 4929 4930 } else if (actionCode == EditorInfo.IME_ACTION_DONE) { 4931 InputMethodManager imm = InputMethodManager.peekInstance(); 4932 if (imm != null && imm.isActive(this)) { 4933 imm.hideSoftInputFromWindow(getWindowToken(), 0); 4934 } 4935 return; 4936 } 4937 } 4938 4939 ViewRootImpl viewRootImpl = getViewRootImpl(); 4940 if (viewRootImpl != null) { 4941 long eventTime = SystemClock.uptimeMillis(); 4942 viewRootImpl.dispatchKeyFromIme( 4943 new KeyEvent(eventTime, eventTime, 4944 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER, 0, 0, 4945 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4946 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4947 | KeyEvent.FLAG_EDITOR_ACTION)); 4948 viewRootImpl.dispatchKeyFromIme( 4949 new KeyEvent(SystemClock.uptimeMillis(), eventTime, 4950 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER, 0, 0, 4951 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4952 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4953 | KeyEvent.FLAG_EDITOR_ACTION)); 4954 } 4955 } 4956 4957 /** 4958 * Set the private content type of the text, which is the 4959 * {@link EditorInfo#privateImeOptions EditorInfo.privateImeOptions} 4960 * field that will be filled in when creating an input connection. 4961 * 4962 * @see #getPrivateImeOptions() 4963 * @see EditorInfo#privateImeOptions 4964 * @attr ref android.R.styleable#TextView_privateImeOptions 4965 */ 4966 public void setPrivateImeOptions(String type) { 4967 createEditorIfNeeded(); 4968 mEditor.createInputContentTypeIfNeeded(); 4969 mEditor.mInputContentType.privateImeOptions = type; 4970 } 4971 4972 /** 4973 * Get the private type of the content. 4974 * 4975 * @see #setPrivateImeOptions(String) 4976 * @see EditorInfo#privateImeOptions 4977 */ 4978 public String getPrivateImeOptions() { 4979 return mEditor != null && mEditor.mInputContentType != null 4980 ? mEditor.mInputContentType.privateImeOptions : null; 4981 } 4982 4983 /** 4984 * Set the extra input data of the text, which is the 4985 * {@link EditorInfo#extras TextBoxAttribute.extras} 4986 * Bundle that will be filled in when creating an input connection. The 4987 * given integer is the resource ID of an XML resource holding an 4988 * {@link android.R.styleable#InputExtras <input-extras>} XML tree. 4989 * 4990 * @see #getInputExtras(boolean) 4991 * @see EditorInfo#extras 4992 * @attr ref android.R.styleable#TextView_editorExtras 4993 */ 4994 public void setInputExtras(@XmlRes int xmlResId) throws XmlPullParserException, IOException { 4995 createEditorIfNeeded(); 4996 XmlResourceParser parser = getResources().getXml(xmlResId); 4997 mEditor.createInputContentTypeIfNeeded(); 4998 mEditor.mInputContentType.extras = new Bundle(); 4999 getResources().parseBundleExtras(parser, mEditor.mInputContentType.extras); 5000 } 5001 5002 /** 5003 * Retrieve the input extras currently associated with the text view, which 5004 * can be viewed as well as modified. 5005 * 5006 * @param create If true, the extras will be created if they don't already 5007 * exist. Otherwise, null will be returned if none have been created. 5008 * @see #setInputExtras(int) 5009 * @see EditorInfo#extras 5010 * @attr ref android.R.styleable#TextView_editorExtras 5011 */ 5012 public Bundle getInputExtras(boolean create) { 5013 if (mEditor == null && !create) return null; 5014 createEditorIfNeeded(); 5015 if (mEditor.mInputContentType == null) { 5016 if (!create) return null; 5017 mEditor.createInputContentTypeIfNeeded(); 5018 } 5019 if (mEditor.mInputContentType.extras == null) { 5020 if (!create) return null; 5021 mEditor.mInputContentType.extras = new Bundle(); 5022 } 5023 return mEditor.mInputContentType.extras; 5024 } 5025 5026 /** 5027 * Change "hint" locales associated with the text view, which will be reported to an IME with 5028 * {@link EditorInfo#hintLocales} when it has focus. 5029 * 5030 * <p><strong>Note:</strong> If you want new "hint" to take effect immediately you need to 5031 * call {@link InputMethodManager#restartInput(View)}.</p> 5032 * @param hintLocales List of the languages that the user is supposed to switch to no matter 5033 * what input method subtype is currently used. Set {@code null} to clear the current "hint". 5034 * @see #getImeHIntLocales() 5035 * @see android.view.inputmethod.EditorInfo#hintLocales 5036 */ 5037 public void setImeHintLocales(@Nullable LocaleList hintLocales) { 5038 createEditorIfNeeded(); 5039 mEditor.createInputContentTypeIfNeeded(); 5040 mEditor.mInputContentType.imeHintLocales = hintLocales; 5041 } 5042 5043 /** 5044 * @return The current languages list "hint". {@code null} when no "hint" is available. 5045 * @see #setImeHintLocales(LocaleList) 5046 * @see android.view.inputmethod.EditorInfo#hintLocales 5047 */ 5048 @Nullable 5049 public LocaleList getImeHintLocales() { 5050 if (mEditor == null) { return null; } 5051 if (mEditor.mInputContentType == null) { return null; } 5052 return mEditor.mInputContentType.imeHintLocales; 5053 } 5054 5055 /** 5056 * Returns the error message that was set to be displayed with 5057 * {@link #setError}, or <code>null</code> if no error was set 5058 * or if it the error was cleared by the widget after user input. 5059 */ 5060 public CharSequence getError() { 5061 return mEditor == null ? null : mEditor.mError; 5062 } 5063 5064 /** 5065 * Sets the right-hand compound drawable of the TextView to the "error" 5066 * icon and sets an error message that will be displayed in a popup when 5067 * the TextView has focus. The icon and error message will be reset to 5068 * null when any key events cause changes to the TextView's text. If the 5069 * <code>error</code> is <code>null</code>, the error message and icon 5070 * will be cleared. 5071 */ 5072 @android.view.RemotableViewMethod 5073 public void setError(CharSequence error) { 5074 if (error == null) { 5075 setError(null, null); 5076 } else { 5077 Drawable dr = getContext().getDrawable( 5078 com.android.internal.R.drawable.indicator_input_error); 5079 5080 dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight()); 5081 setError(error, dr); 5082 } 5083 } 5084 5085 /** 5086 * Sets the right-hand compound drawable of the TextView to the specified 5087 * icon and sets an error message that will be displayed in a popup when 5088 * the TextView has focus. The icon and error message will be reset to 5089 * null when any key events cause changes to the TextView's text. The 5090 * drawable must already have had {@link Drawable#setBounds} set on it. 5091 * If the <code>error</code> is <code>null</code>, the error message will 5092 * be cleared (and you should provide a <code>null</code> icon as well). 5093 */ 5094 public void setError(CharSequence error, Drawable icon) { 5095 createEditorIfNeeded(); 5096 mEditor.setError(error, icon); 5097 notifyViewAccessibilityStateChangedIfNeeded( 5098 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 5099 } 5100 5101 @Override 5102 protected boolean setFrame(int l, int t, int r, int b) { 5103 boolean result = super.setFrame(l, t, r, b); 5104 5105 if (mEditor != null) mEditor.setFrame(); 5106 5107 restartMarqueeIfNeeded(); 5108 5109 return result; 5110 } 5111 5112 private void restartMarqueeIfNeeded() { 5113 if (mRestartMarquee && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 5114 mRestartMarquee = false; 5115 startMarquee(); 5116 } 5117 } 5118 5119 /** 5120 * Sets the list of input filters that will be used if the buffer is 5121 * Editable. Has no effect otherwise. 5122 * 5123 * @attr ref android.R.styleable#TextView_maxLength 5124 */ 5125 public void setFilters(InputFilter[] filters) { 5126 if (filters == null) { 5127 throw new IllegalArgumentException(); 5128 } 5129 5130 mFilters = filters; 5131 5132 if (mText instanceof Editable) { 5133 setFilters((Editable) mText, filters); 5134 } 5135 } 5136 5137 /** 5138 * Sets the list of input filters on the specified Editable, 5139 * and includes mInput in the list if it is an InputFilter. 5140 */ 5141 private void setFilters(Editable e, InputFilter[] filters) { 5142 if (mEditor != null) { 5143 final boolean undoFilter = mEditor.mUndoInputFilter != null; 5144 final boolean keyFilter = mEditor.mKeyListener instanceof InputFilter; 5145 int num = 0; 5146 if (undoFilter) num++; 5147 if (keyFilter) num++; 5148 if (num > 0) { 5149 InputFilter[] nf = new InputFilter[filters.length + num]; 5150 5151 System.arraycopy(filters, 0, nf, 0, filters.length); 5152 num = 0; 5153 if (undoFilter) { 5154 nf[filters.length] = mEditor.mUndoInputFilter; 5155 num++; 5156 } 5157 if (keyFilter) { 5158 nf[filters.length + num] = (InputFilter) mEditor.mKeyListener; 5159 } 5160 5161 e.setFilters(nf); 5162 return; 5163 } 5164 } 5165 e.setFilters(filters); 5166 } 5167 5168 /** 5169 * Returns the current list of input filters. 5170 * 5171 * @attr ref android.R.styleable#TextView_maxLength 5172 */ 5173 public InputFilter[] getFilters() { 5174 return mFilters; 5175 } 5176 5177 ///////////////////////////////////////////////////////////////////////// 5178 5179 private int getBoxHeight(Layout l) { 5180 Insets opticalInsets = isLayoutModeOptical(mParent) ? getOpticalInsets() : Insets.NONE; 5181 int padding = (l == mHintLayout) ? 5182 getCompoundPaddingTop() + getCompoundPaddingBottom() : 5183 getExtendedPaddingTop() + getExtendedPaddingBottom(); 5184 return getMeasuredHeight() - padding + opticalInsets.top + opticalInsets.bottom; 5185 } 5186 5187 int getVerticalOffset(boolean forceNormal) { 5188 int voffset = 0; 5189 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 5190 5191 Layout l = mLayout; 5192 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 5193 l = mHintLayout; 5194 } 5195 5196 if (gravity != Gravity.TOP) { 5197 int boxht = getBoxHeight(l); 5198 int textht = l.getHeight(); 5199 5200 if (textht < boxht) { 5201 if (gravity == Gravity.BOTTOM) 5202 voffset = boxht - textht; 5203 else // (gravity == Gravity.CENTER_VERTICAL) 5204 voffset = (boxht - textht) >> 1; 5205 } 5206 } 5207 return voffset; 5208 } 5209 5210 private int getBottomVerticalOffset(boolean forceNormal) { 5211 int voffset = 0; 5212 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 5213 5214 Layout l = mLayout; 5215 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 5216 l = mHintLayout; 5217 } 5218 5219 if (gravity != Gravity.BOTTOM) { 5220 int boxht = getBoxHeight(l); 5221 int textht = l.getHeight(); 5222 5223 if (textht < boxht) { 5224 if (gravity == Gravity.TOP) 5225 voffset = boxht - textht; 5226 else // (gravity == Gravity.CENTER_VERTICAL) 5227 voffset = (boxht - textht) >> 1; 5228 } 5229 } 5230 return voffset; 5231 } 5232 5233 void invalidateCursorPath() { 5234 if (mHighlightPathBogus) { 5235 invalidateCursor(); 5236 } else { 5237 final int horizontalPadding = getCompoundPaddingLeft(); 5238 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 5239 5240 if (mEditor.mCursorCount == 0) { 5241 synchronized (TEMP_RECTF) { 5242 /* 5243 * The reason for this concern about the thickness of the 5244 * cursor and doing the floor/ceil on the coordinates is that 5245 * some EditTexts (notably textfields in the Browser) have 5246 * anti-aliased text where not all the characters are 5247 * necessarily at integer-multiple locations. This should 5248 * make sure the entire cursor gets invalidated instead of 5249 * sometimes missing half a pixel. 5250 */ 5251 float thick = (float) Math.ceil(mTextPaint.getStrokeWidth()); 5252 if (thick < 1.0f) { 5253 thick = 1.0f; 5254 } 5255 5256 thick /= 2.0f; 5257 5258 // mHighlightPath is guaranteed to be non null at that point. 5259 mHighlightPath.computeBounds(TEMP_RECTF, false); 5260 5261 invalidate((int) Math.floor(horizontalPadding + TEMP_RECTF.left - thick), 5262 (int) Math.floor(verticalPadding + TEMP_RECTF.top - thick), 5263 (int) Math.ceil(horizontalPadding + TEMP_RECTF.right + thick), 5264 (int) Math.ceil(verticalPadding + TEMP_RECTF.bottom + thick)); 5265 } 5266 } else { 5267 for (int i = 0; i < mEditor.mCursorCount; i++) { 5268 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 5269 invalidate(bounds.left + horizontalPadding, bounds.top + verticalPadding, 5270 bounds.right + horizontalPadding, bounds.bottom + verticalPadding); 5271 } 5272 } 5273 } 5274 } 5275 5276 void invalidateCursor() { 5277 int where = getSelectionEnd(); 5278 5279 invalidateCursor(where, where, where); 5280 } 5281 5282 private void invalidateCursor(int a, int b, int c) { 5283 if (a >= 0 || b >= 0 || c >= 0) { 5284 int start = Math.min(Math.min(a, b), c); 5285 int end = Math.max(Math.max(a, b), c); 5286 invalidateRegion(start, end, true /* Also invalidates blinking cursor */); 5287 } 5288 } 5289 5290 /** 5291 * Invalidates the region of text enclosed between the start and end text offsets. 5292 */ 5293 void invalidateRegion(int start, int end, boolean invalidateCursor) { 5294 if (mLayout == null) { 5295 invalidate(); 5296 } else { 5297 int lineStart = mLayout.getLineForOffset(start); 5298 int top = mLayout.getLineTop(lineStart); 5299 5300 // This is ridiculous, but the descent from the line above 5301 // can hang down into the line we really want to redraw, 5302 // so we have to invalidate part of the line above to make 5303 // sure everything that needs to be redrawn really is. 5304 // (But not the whole line above, because that would cause 5305 // the same problem with the descenders on the line above it!) 5306 if (lineStart > 0) { 5307 top -= mLayout.getLineDescent(lineStart - 1); 5308 } 5309 5310 int lineEnd; 5311 5312 if (start == end) 5313 lineEnd = lineStart; 5314 else 5315 lineEnd = mLayout.getLineForOffset(end); 5316 5317 int bottom = mLayout.getLineBottom(lineEnd); 5318 5319 // mEditor can be null in case selection is set programmatically. 5320 if (invalidateCursor && mEditor != null) { 5321 for (int i = 0; i < mEditor.mCursorCount; i++) { 5322 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 5323 top = Math.min(top, bounds.top); 5324 bottom = Math.max(bottom, bounds.bottom); 5325 } 5326 } 5327 5328 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5329 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 5330 5331 int left, right; 5332 if (lineStart == lineEnd && !invalidateCursor) { 5333 left = (int) mLayout.getPrimaryHorizontal(start); 5334 right = (int) (mLayout.getPrimaryHorizontal(end) + 1.0); 5335 left += compoundPaddingLeft; 5336 right += compoundPaddingLeft; 5337 } else { 5338 // Rectangle bounding box when the region spans several lines 5339 left = compoundPaddingLeft; 5340 right = getWidth() - getCompoundPaddingRight(); 5341 } 5342 5343 invalidate(mScrollX + left, verticalPadding + top, 5344 mScrollX + right, verticalPadding + bottom); 5345 } 5346 } 5347 5348 private void registerForPreDraw() { 5349 if (!mPreDrawRegistered) { 5350 getViewTreeObserver().addOnPreDrawListener(this); 5351 mPreDrawRegistered = true; 5352 } 5353 } 5354 5355 private void unregisterForPreDraw() { 5356 getViewTreeObserver().removeOnPreDrawListener(this); 5357 mPreDrawRegistered = false; 5358 mPreDrawListenerDetached = false; 5359 } 5360 5361 /** 5362 * {@inheritDoc} 5363 */ 5364 public boolean onPreDraw() { 5365 if (mLayout == null) { 5366 assumeLayout(); 5367 } 5368 5369 if (mMovement != null) { 5370 /* This code also provides auto-scrolling when a cursor is moved using a 5371 * CursorController (insertion point or selection limits). 5372 * For selection, ensure start or end is visible depending on controller's state. 5373 */ 5374 int curs = getSelectionEnd(); 5375 // Do not create the controller if it is not already created. 5376 if (mEditor != null && mEditor.mSelectionModifierCursorController != null && 5377 mEditor.mSelectionModifierCursorController.isSelectionStartDragged()) { 5378 curs = getSelectionStart(); 5379 } 5380 5381 /* 5382 * TODO: This should really only keep the end in view if 5383 * it already was before the text changed. I'm not sure 5384 * of a good way to tell from here if it was. 5385 */ 5386 if (curs < 0 && (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 5387 curs = mText.length(); 5388 } 5389 5390 if (curs >= 0) { 5391 bringPointIntoView(curs); 5392 } 5393 } else { 5394 bringTextIntoView(); 5395 } 5396 5397 // This has to be checked here since: 5398 // - onFocusChanged cannot start it when focus is given to a view with selected text (after 5399 // a screen rotation) since layout is not yet initialized at that point. 5400 if (mEditor != null && mEditor.mCreatedWithASelection) { 5401 mEditor.refreshTextActionMode(); 5402 mEditor.mCreatedWithASelection = false; 5403 } 5404 5405 unregisterForPreDraw(); 5406 5407 return true; 5408 } 5409 5410 @Override 5411 protected void onAttachedToWindow() { 5412 super.onAttachedToWindow(); 5413 5414 if (mEditor != null) mEditor.onAttachedToWindow(); 5415 5416 if (mPreDrawListenerDetached) { 5417 getViewTreeObserver().addOnPreDrawListener(this); 5418 mPreDrawListenerDetached = false; 5419 } 5420 } 5421 5422 /** @hide */ 5423 @Override 5424 protected void onDetachedFromWindowInternal() { 5425 if (mPreDrawRegistered) { 5426 getViewTreeObserver().removeOnPreDrawListener(this); 5427 mPreDrawListenerDetached = true; 5428 } 5429 5430 resetResolvedDrawables(); 5431 5432 if (mEditor != null) mEditor.onDetachedFromWindow(); 5433 5434 super.onDetachedFromWindowInternal(); 5435 } 5436 5437 @Override 5438 public void onScreenStateChanged(int screenState) { 5439 super.onScreenStateChanged(screenState); 5440 if (mEditor != null) mEditor.onScreenStateChanged(screenState); 5441 } 5442 5443 @Override 5444 protected boolean isPaddingOffsetRequired() { 5445 return mShadowRadius != 0 || mDrawables != null; 5446 } 5447 5448 @Override 5449 protected int getLeftPaddingOffset() { 5450 return getCompoundPaddingLeft() - mPaddingLeft + 5451 (int) Math.min(0, mShadowDx - mShadowRadius); 5452 } 5453 5454 @Override 5455 protected int getTopPaddingOffset() { 5456 return (int) Math.min(0, mShadowDy - mShadowRadius); 5457 } 5458 5459 @Override 5460 protected int getBottomPaddingOffset() { 5461 return (int) Math.max(0, mShadowDy + mShadowRadius); 5462 } 5463 5464 @Override 5465 protected int getRightPaddingOffset() { 5466 return -(getCompoundPaddingRight() - mPaddingRight) + 5467 (int) Math.max(0, mShadowDx + mShadowRadius); 5468 } 5469 5470 @Override 5471 protected boolean verifyDrawable(@NonNull Drawable who) { 5472 final boolean verified = super.verifyDrawable(who); 5473 if (!verified && mDrawables != null) { 5474 for (Drawable dr : mDrawables.mShowing) { 5475 if (who == dr) { 5476 return true; 5477 } 5478 } 5479 } 5480 return verified; 5481 } 5482 5483 @Override 5484 public void jumpDrawablesToCurrentState() { 5485 super.jumpDrawablesToCurrentState(); 5486 if (mDrawables != null) { 5487 for (Drawable dr : mDrawables.mShowing) { 5488 if (dr != null) { 5489 dr.jumpToCurrentState(); 5490 } 5491 } 5492 } 5493 } 5494 5495 @Override 5496 public void invalidateDrawable(@NonNull Drawable drawable) { 5497 boolean handled = false; 5498 5499 if (verifyDrawable(drawable)) { 5500 final Rect dirty = drawable.getBounds(); 5501 int scrollX = mScrollX; 5502 int scrollY = mScrollY; 5503 5504 // IMPORTANT: The coordinates below are based on the coordinates computed 5505 // for each compound drawable in onDraw(). Make sure to update each section 5506 // accordingly. 5507 final TextView.Drawables drawables = mDrawables; 5508 if (drawables != null) { 5509 if (drawable == drawables.mShowing[Drawables.LEFT]) { 5510 final int compoundPaddingTop = getCompoundPaddingTop(); 5511 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5512 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5513 5514 scrollX += mPaddingLeft; 5515 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightLeft) / 2; 5516 handled = true; 5517 } else if (drawable == drawables.mShowing[Drawables.RIGHT]) { 5518 final int compoundPaddingTop = getCompoundPaddingTop(); 5519 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5520 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5521 5522 scrollX += (mRight - mLeft - mPaddingRight - drawables.mDrawableSizeRight); 5523 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightRight) / 2; 5524 handled = true; 5525 } else if (drawable == drawables.mShowing[Drawables.TOP]) { 5526 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5527 final int compoundPaddingRight = getCompoundPaddingRight(); 5528 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 5529 5530 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthTop) / 2; 5531 scrollY += mPaddingTop; 5532 handled = true; 5533 } else if (drawable == drawables.mShowing[Drawables.BOTTOM]) { 5534 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5535 final int compoundPaddingRight = getCompoundPaddingRight(); 5536 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 5537 5538 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthBottom) / 2; 5539 scrollY += (mBottom - mTop - mPaddingBottom - drawables.mDrawableSizeBottom); 5540 handled = true; 5541 } 5542 } 5543 5544 if (handled) { 5545 invalidate(dirty.left + scrollX, dirty.top + scrollY, 5546 dirty.right + scrollX, dirty.bottom + scrollY); 5547 } 5548 } 5549 5550 if (!handled) { 5551 super.invalidateDrawable(drawable); 5552 } 5553 } 5554 5555 @Override 5556 public boolean hasOverlappingRendering() { 5557 // horizontal fading edge causes SaveLayerAlpha, which doesn't support alpha modulation 5558 return ((getBackground() != null && getBackground().getCurrent() != null) 5559 || mText instanceof Spannable || hasSelection() 5560 || isHorizontalFadingEdgeEnabled()); 5561 } 5562 5563 /** 5564 * 5565 * Returns the state of the {@code textIsSelectable} flag (See 5566 * {@link #setTextIsSelectable setTextIsSelectable()}). Although you have to set this flag 5567 * to allow users to select and copy text in a non-editable TextView, the content of an 5568 * {@link EditText} can always be selected, independently of the value of this flag. 5569 * <p> 5570 * 5571 * @return True if the text displayed in this TextView can be selected by the user. 5572 * 5573 * @attr ref android.R.styleable#TextView_textIsSelectable 5574 */ 5575 public boolean isTextSelectable() { 5576 return mEditor == null ? false : mEditor.mTextIsSelectable; 5577 } 5578 5579 /** 5580 * Sets whether the content of this view is selectable by the user. The default is 5581 * {@code false}, meaning that the content is not selectable. 5582 * <p> 5583 * When you use a TextView to display a useful piece of information to the user (such as a 5584 * contact's address), make it selectable, so that the user can select and copy its 5585 * content. You can also use set the XML attribute 5586 * {@link android.R.styleable#TextView_textIsSelectable} to "true". 5587 * <p> 5588 * When you call this method to set the value of {@code textIsSelectable}, it sets 5589 * the flags {@code focusable}, {@code focusableInTouchMode}, {@code clickable}, 5590 * and {@code longClickable} to the same value. These flags correspond to the attributes 5591 * {@link android.R.styleable#View_focusable android:focusable}, 5592 * {@link android.R.styleable#View_focusableInTouchMode android:focusableInTouchMode}, 5593 * {@link android.R.styleable#View_clickable android:clickable}, and 5594 * {@link android.R.styleable#View_longClickable android:longClickable}. To restore any of these 5595 * flags to a state you had set previously, call one or more of the following methods: 5596 * {@link #setFocusable(boolean) setFocusable()}, 5597 * {@link #setFocusableInTouchMode(boolean) setFocusableInTouchMode()}, 5598 * {@link #setClickable(boolean) setClickable()} or 5599 * {@link #setLongClickable(boolean) setLongClickable()}. 5600 * 5601 * @param selectable Whether the content of this TextView should be selectable. 5602 */ 5603 public void setTextIsSelectable(boolean selectable) { 5604 if (!selectable && mEditor == null) return; // false is default value with no edit data 5605 5606 createEditorIfNeeded(); 5607 if (mEditor.mTextIsSelectable == selectable) return; 5608 5609 mEditor.mTextIsSelectable = selectable; 5610 setFocusableInTouchMode(selectable); 5611 setFocusable(selectable); 5612 setClickable(selectable); 5613 setLongClickable(selectable); 5614 5615 // mInputType should already be EditorInfo.TYPE_NULL and mInput should be null 5616 5617 setMovementMethod(selectable ? ArrowKeyMovementMethod.getInstance() : null); 5618 setText(mText, selectable ? BufferType.SPANNABLE : BufferType.NORMAL); 5619 5620 // Called by setText above, but safer in case of future code changes 5621 mEditor.prepareCursorControllers(); 5622 } 5623 5624 @Override 5625 protected int[] onCreateDrawableState(int extraSpace) { 5626 final int[] drawableState; 5627 5628 if (mSingleLine) { 5629 drawableState = super.onCreateDrawableState(extraSpace); 5630 } else { 5631 drawableState = super.onCreateDrawableState(extraSpace + 1); 5632 mergeDrawableStates(drawableState, MULTILINE_STATE_SET); 5633 } 5634 5635 if (isTextSelectable()) { 5636 // Disable pressed state, which was introduced when TextView was made clickable. 5637 // Prevents text color change. 5638 // setClickable(false) would have a similar effect, but it also disables focus changes 5639 // and long press actions, which are both needed by text selection. 5640 final int length = drawableState.length; 5641 for (int i = 0; i < length; i++) { 5642 if (drawableState[i] == R.attr.state_pressed) { 5643 final int[] nonPressedState = new int[length - 1]; 5644 System.arraycopy(drawableState, 0, nonPressedState, 0, i); 5645 System.arraycopy(drawableState, i + 1, nonPressedState, i, length - i - 1); 5646 return nonPressedState; 5647 } 5648 } 5649 } 5650 5651 return drawableState; 5652 } 5653 5654 private Path getUpdatedHighlightPath() { 5655 Path highlight = null; 5656 Paint highlightPaint = mHighlightPaint; 5657 5658 final int selStart = getSelectionStart(); 5659 final int selEnd = getSelectionEnd(); 5660 if (mMovement != null && (isFocused() || isPressed()) && selStart >= 0) { 5661 if (selStart == selEnd) { 5662 if (mEditor != null && mEditor.isCursorVisible() && 5663 (SystemClock.uptimeMillis() - mEditor.mShowCursor) % 5664 (2 * Editor.BLINK) < Editor.BLINK) { 5665 if (mHighlightPathBogus) { 5666 if (mHighlightPath == null) mHighlightPath = new Path(); 5667 mHighlightPath.reset(); 5668 mLayout.getCursorPath(selStart, mHighlightPath, mText); 5669 mEditor.updateCursorsPositions(); 5670 mHighlightPathBogus = false; 5671 } 5672 5673 // XXX should pass to skin instead of drawing directly 5674 highlightPaint.setColor(mCurTextColor); 5675 highlightPaint.setStyle(Paint.Style.STROKE); 5676 highlight = mHighlightPath; 5677 } 5678 } else { 5679 if (mHighlightPathBogus) { 5680 if (mHighlightPath == null) mHighlightPath = new Path(); 5681 mHighlightPath.reset(); 5682 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 5683 mHighlightPathBogus = false; 5684 } 5685 5686 // XXX should pass to skin instead of drawing directly 5687 highlightPaint.setColor(mHighlightColor); 5688 highlightPaint.setStyle(Paint.Style.FILL); 5689 5690 highlight = mHighlightPath; 5691 } 5692 } 5693 return highlight; 5694 } 5695 5696 /** 5697 * @hide 5698 */ 5699 public int getHorizontalOffsetForDrawables() { 5700 return 0; 5701 } 5702 5703 @Override 5704 protected void onDraw(Canvas canvas) { 5705 restartMarqueeIfNeeded(); 5706 5707 // Draw the background for this view 5708 super.onDraw(canvas); 5709 5710 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5711 final int compoundPaddingTop = getCompoundPaddingTop(); 5712 final int compoundPaddingRight = getCompoundPaddingRight(); 5713 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5714 final int scrollX = mScrollX; 5715 final int scrollY = mScrollY; 5716 final int right = mRight; 5717 final int left = mLeft; 5718 final int bottom = mBottom; 5719 final int top = mTop; 5720 final boolean isLayoutRtl = isLayoutRtl(); 5721 final int offset = getHorizontalOffsetForDrawables(); 5722 final int leftOffset = isLayoutRtl ? 0 : offset; 5723 final int rightOffset = isLayoutRtl ? offset : 0 ; 5724 5725 final Drawables dr = mDrawables; 5726 if (dr != null) { 5727 /* 5728 * Compound, not extended, because the icon is not clipped 5729 * if the text height is smaller. 5730 */ 5731 5732 int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop; 5733 int hspace = right - left - compoundPaddingRight - compoundPaddingLeft; 5734 5735 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5736 // Make sure to update invalidateDrawable() when changing this code. 5737 if (dr.mShowing[Drawables.LEFT] != null) { 5738 canvas.save(); 5739 canvas.translate(scrollX + mPaddingLeft + leftOffset, 5740 scrollY + compoundPaddingTop + 5741 (vspace - dr.mDrawableHeightLeft) / 2); 5742 dr.mShowing[Drawables.LEFT].draw(canvas); 5743 canvas.restore(); 5744 } 5745 5746 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5747 // Make sure to update invalidateDrawable() when changing this code. 5748 if (dr.mShowing[Drawables.RIGHT] != null) { 5749 canvas.save(); 5750 canvas.translate(scrollX + right - left - mPaddingRight 5751 - dr.mDrawableSizeRight - rightOffset, 5752 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightRight) / 2); 5753 dr.mShowing[Drawables.RIGHT].draw(canvas); 5754 canvas.restore(); 5755 } 5756 5757 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5758 // Make sure to update invalidateDrawable() when changing this code. 5759 if (dr.mShowing[Drawables.TOP] != null) { 5760 canvas.save(); 5761 canvas.translate(scrollX + compoundPaddingLeft + 5762 (hspace - dr.mDrawableWidthTop) / 2, scrollY + mPaddingTop); 5763 dr.mShowing[Drawables.TOP].draw(canvas); 5764 canvas.restore(); 5765 } 5766 5767 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5768 // Make sure to update invalidateDrawable() when changing this code. 5769 if (dr.mShowing[Drawables.BOTTOM] != null) { 5770 canvas.save(); 5771 canvas.translate(scrollX + compoundPaddingLeft + 5772 (hspace - dr.mDrawableWidthBottom) / 2, 5773 scrollY + bottom - top - mPaddingBottom - dr.mDrawableSizeBottom); 5774 dr.mShowing[Drawables.BOTTOM].draw(canvas); 5775 canvas.restore(); 5776 } 5777 } 5778 5779 int color = mCurTextColor; 5780 5781 if (mLayout == null) { 5782 assumeLayout(); 5783 } 5784 5785 Layout layout = mLayout; 5786 5787 if (mHint != null && mText.length() == 0) { 5788 if (mHintTextColor != null) { 5789 color = mCurHintTextColor; 5790 } 5791 5792 layout = mHintLayout; 5793 } 5794 5795 mTextPaint.setColor(color); 5796 mTextPaint.drawableState = getDrawableState(); 5797 5798 canvas.save(); 5799 /* Would be faster if we didn't have to do this. Can we chop the 5800 (displayable) text so that we don't need to do this ever? 5801 */ 5802 5803 int extendedPaddingTop = getExtendedPaddingTop(); 5804 int extendedPaddingBottom = getExtendedPaddingBottom(); 5805 5806 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5807 final int maxScrollY = mLayout.getHeight() - vspace; 5808 5809 float clipLeft = compoundPaddingLeft + scrollX; 5810 float clipTop = (scrollY == 0) ? 0 : extendedPaddingTop + scrollY; 5811 float clipRight = right - left - getCompoundPaddingRight() + scrollX; 5812 float clipBottom = bottom - top + scrollY - 5813 ((scrollY == maxScrollY) ? 0 : extendedPaddingBottom); 5814 5815 if (mShadowRadius != 0) { 5816 clipLeft += Math.min(0, mShadowDx - mShadowRadius); 5817 clipRight += Math.max(0, mShadowDx + mShadowRadius); 5818 5819 clipTop += Math.min(0, mShadowDy - mShadowRadius); 5820 clipBottom += Math.max(0, mShadowDy + mShadowRadius); 5821 } 5822 5823 canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom); 5824 5825 int voffsetText = 0; 5826 int voffsetCursor = 0; 5827 5828 // translate in by our padding 5829 /* shortcircuit calling getVerticaOffset() */ 5830 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5831 voffsetText = getVerticalOffset(false); 5832 voffsetCursor = getVerticalOffset(true); 5833 } 5834 canvas.translate(compoundPaddingLeft, extendedPaddingTop + voffsetText); 5835 5836 final int layoutDirection = getLayoutDirection(); 5837 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 5838 if (isMarqueeFadeEnabled()) { 5839 if (!mSingleLine && getLineCount() == 1 && canMarquee() && 5840 (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) { 5841 final int width = mRight - mLeft; 5842 final int padding = getCompoundPaddingLeft() + getCompoundPaddingRight(); 5843 final float dx = mLayout.getLineRight(0) - (width - padding); 5844 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5845 } 5846 5847 if (mMarquee != null && mMarquee.isRunning()) { 5848 final float dx = -mMarquee.getScroll(); 5849 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5850 } 5851 } 5852 5853 final int cursorOffsetVertical = voffsetCursor - voffsetText; 5854 5855 Path highlight = getUpdatedHighlightPath(); 5856 if (mEditor != null) { 5857 mEditor.onDraw(canvas, layout, highlight, mHighlightPaint, cursorOffsetVertical); 5858 } else { 5859 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5860 } 5861 5862 if (mMarquee != null && mMarquee.shouldDrawGhost()) { 5863 final float dx = mMarquee.getGhostOffset(); 5864 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5865 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5866 } 5867 5868 canvas.restore(); 5869 } 5870 5871 @Override 5872 public void getFocusedRect(Rect r) { 5873 if (mLayout == null) { 5874 super.getFocusedRect(r); 5875 return; 5876 } 5877 5878 int selEnd = getSelectionEnd(); 5879 if (selEnd < 0) { 5880 super.getFocusedRect(r); 5881 return; 5882 } 5883 5884 int selStart = getSelectionStart(); 5885 if (selStart < 0 || selStart >= selEnd) { 5886 int line = mLayout.getLineForOffset(selEnd); 5887 r.top = mLayout.getLineTop(line); 5888 r.bottom = mLayout.getLineBottom(line); 5889 r.left = (int) mLayout.getPrimaryHorizontal(selEnd) - 2; 5890 r.right = r.left + 4; 5891 } else { 5892 int lineStart = mLayout.getLineForOffset(selStart); 5893 int lineEnd = mLayout.getLineForOffset(selEnd); 5894 r.top = mLayout.getLineTop(lineStart); 5895 r.bottom = mLayout.getLineBottom(lineEnd); 5896 if (lineStart == lineEnd) { 5897 r.left = (int) mLayout.getPrimaryHorizontal(selStart); 5898 r.right = (int) mLayout.getPrimaryHorizontal(selEnd); 5899 } else { 5900 // Selection extends across multiple lines -- make the focused 5901 // rect cover the entire width. 5902 if (mHighlightPathBogus) { 5903 if (mHighlightPath == null) mHighlightPath = new Path(); 5904 mHighlightPath.reset(); 5905 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 5906 mHighlightPathBogus = false; 5907 } 5908 synchronized (TEMP_RECTF) { 5909 mHighlightPath.computeBounds(TEMP_RECTF, true); 5910 r.left = (int)TEMP_RECTF.left-1; 5911 r.right = (int)TEMP_RECTF.right+1; 5912 } 5913 } 5914 } 5915 5916 // Adjust for padding and gravity. 5917 int paddingLeft = getCompoundPaddingLeft(); 5918 int paddingTop = getExtendedPaddingTop(); 5919 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5920 paddingTop += getVerticalOffset(false); 5921 } 5922 r.offset(paddingLeft, paddingTop); 5923 int paddingBottom = getExtendedPaddingBottom(); 5924 r.bottom += paddingBottom; 5925 } 5926 5927 /** 5928 * Return the number of lines of text, or 0 if the internal Layout has not 5929 * been built. 5930 */ 5931 public int getLineCount() { 5932 return mLayout != null ? mLayout.getLineCount() : 0; 5933 } 5934 5935 /** 5936 * Return the baseline for the specified line (0...getLineCount() - 1) 5937 * If bounds is not null, return the top, left, right, bottom extents 5938 * of the specified line in it. If the internal Layout has not been built, 5939 * return 0 and set bounds to (0, 0, 0, 0) 5940 * @param line which line to examine (0..getLineCount() - 1) 5941 * @param bounds Optional. If not null, it returns the extent of the line 5942 * @return the Y-coordinate of the baseline 5943 */ 5944 public int getLineBounds(int line, Rect bounds) { 5945 if (mLayout == null) { 5946 if (bounds != null) { 5947 bounds.set(0, 0, 0, 0); 5948 } 5949 return 0; 5950 } 5951 else { 5952 int baseline = mLayout.getLineBounds(line, bounds); 5953 5954 int voffset = getExtendedPaddingTop(); 5955 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5956 voffset += getVerticalOffset(true); 5957 } 5958 if (bounds != null) { 5959 bounds.offset(getCompoundPaddingLeft(), voffset); 5960 } 5961 return baseline + voffset; 5962 } 5963 } 5964 5965 @Override 5966 public int getBaseline() { 5967 if (mLayout == null) { 5968 return super.getBaseline(); 5969 } 5970 5971 return getBaselineOffset() + mLayout.getLineBaseline(0); 5972 } 5973 5974 int getBaselineOffset() { 5975 int voffset = 0; 5976 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5977 voffset = getVerticalOffset(true); 5978 } 5979 5980 if (isLayoutModeOptical(mParent)) { 5981 voffset -= getOpticalInsets().top; 5982 } 5983 5984 return getExtendedPaddingTop() + voffset; 5985 } 5986 5987 /** 5988 * @hide 5989 */ 5990 @Override 5991 protected int getFadeTop(boolean offsetRequired) { 5992 if (mLayout == null) return 0; 5993 5994 int voffset = 0; 5995 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5996 voffset = getVerticalOffset(true); 5997 } 5998 5999 if (offsetRequired) voffset += getTopPaddingOffset(); 6000 6001 return getExtendedPaddingTop() + voffset; 6002 } 6003 6004 /** 6005 * @hide 6006 */ 6007 @Override 6008 protected int getFadeHeight(boolean offsetRequired) { 6009 return mLayout != null ? mLayout.getHeight() : 0; 6010 } 6011 6012 @Override 6013 public PointerIcon onResolvePointerIcon(MotionEvent event, int pointerIndex) { 6014 if (mText instanceof Spannable && mLinksClickable) { 6015 final float x = event.getX(pointerIndex); 6016 final float y = event.getY(pointerIndex); 6017 final int offset = getOffsetForPosition(x, y); 6018 final ClickableSpan[] clickables = ((Spannable) mText).getSpans(offset, offset, 6019 ClickableSpan.class); 6020 if (clickables.length > 0) { 6021 return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_HAND); 6022 } 6023 } 6024 if (isTextSelectable() || isTextEditable()) { 6025 return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_TEXT); 6026 } 6027 return super.onResolvePointerIcon(event, pointerIndex); 6028 } 6029 6030 @Override 6031 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 6032 // Note: If the IME is in fullscreen mode and IMS#mExtractEditText is in text action mode, 6033 // InputMethodService#onKeyDown and InputMethodService#onKeyUp are responsible to call 6034 // InputMethodService#mExtractEditText.maybeHandleBackInTextActionMode(event). 6035 if (keyCode == KeyEvent.KEYCODE_BACK && handleBackInTextActionModeIfNeeded(event)) { 6036 return true; 6037 } 6038 return super.onKeyPreIme(keyCode, event); 6039 } 6040 6041 /** 6042 * @hide 6043 */ 6044 public boolean handleBackInTextActionModeIfNeeded(KeyEvent event) { 6045 // Do nothing unless mEditor is in text action mode. 6046 if (mEditor == null || mEditor.mTextActionMode == null) { 6047 return false; 6048 } 6049 6050 if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) { 6051 KeyEvent.DispatcherState state = getKeyDispatcherState(); 6052 if (state != null) { 6053 state.startTracking(event, this); 6054 } 6055 return true; 6056 } else if (event.getAction() == KeyEvent.ACTION_UP) { 6057 KeyEvent.DispatcherState state = getKeyDispatcherState(); 6058 if (state != null) { 6059 state.handleUpEvent(event); 6060 } 6061 if (event.isTracking() && !event.isCanceled()) { 6062 stopTextActionMode(); 6063 return true; 6064 } 6065 } 6066 return false; 6067 } 6068 6069 @Override 6070 public boolean onKeyDown(int keyCode, KeyEvent event) { 6071 final int which = doKeyDown(keyCode, event, null); 6072 if (which == KEY_EVENT_NOT_HANDLED) { 6073 return super.onKeyDown(keyCode, event); 6074 } 6075 6076 return true; 6077 } 6078 6079 @Override 6080 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 6081 KeyEvent down = KeyEvent.changeAction(event, KeyEvent.ACTION_DOWN); 6082 final int which = doKeyDown(keyCode, down, event); 6083 if (which == KEY_EVENT_NOT_HANDLED) { 6084 // Go through default dispatching. 6085 return super.onKeyMultiple(keyCode, repeatCount, event); 6086 } 6087 if (which == KEY_EVENT_HANDLED) { 6088 // Consumed the whole thing. 6089 return true; 6090 } 6091 6092 repeatCount--; 6093 6094 // We are going to dispatch the remaining events to either the input 6095 // or movement method. To do this, we will just send a repeated stream 6096 // of down and up events until we have done the complete repeatCount. 6097 // It would be nice if those interfaces had an onKeyMultiple() method, 6098 // but adding that is a more complicated change. 6099 KeyEvent up = KeyEvent.changeAction(event, KeyEvent.ACTION_UP); 6100 if (which == KEY_DOWN_HANDLED_BY_KEY_LISTENER) { 6101 // mEditor and mEditor.mInput are not null from doKeyDown 6102 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 6103 while (--repeatCount > 0) { 6104 mEditor.mKeyListener.onKeyDown(this, (Editable)mText, keyCode, down); 6105 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 6106 } 6107 hideErrorIfUnchanged(); 6108 6109 } else if (which == KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD) { 6110 // mMovement is not null from doKeyDown 6111 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 6112 while (--repeatCount > 0) { 6113 mMovement.onKeyDown(this, (Spannable)mText, keyCode, down); 6114 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 6115 } 6116 } 6117 6118 return true; 6119 } 6120 6121 /** 6122 * Returns true if pressing ENTER in this field advances focus instead 6123 * of inserting the character. This is true mostly in single-line fields, 6124 * but also in mail addresses and subjects which will display on multiple 6125 * lines but where it doesn't make sense to insert newlines. 6126 */ 6127 private boolean shouldAdvanceFocusOnEnter() { 6128 if (getKeyListener() == null) { 6129 return false; 6130 } 6131 6132 if (mSingleLine) { 6133 return true; 6134 } 6135 6136 if (mEditor != null && 6137 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 6138 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 6139 if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS 6140 || variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT) { 6141 return true; 6142 } 6143 } 6144 6145 return false; 6146 } 6147 6148 /** 6149 * Returns true if pressing TAB in this field advances focus instead 6150 * of inserting the character. Insert tabs only in multi-line editors. 6151 */ 6152 private boolean shouldAdvanceFocusOnTab() { 6153 if (getKeyListener() != null && !mSingleLine && mEditor != null && 6154 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 6155 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 6156 if (variation == EditorInfo.TYPE_TEXT_FLAG_IME_MULTI_LINE 6157 || variation == EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE) { 6158 return false; 6159 } 6160 } 6161 return true; 6162 } 6163 6164 private int doKeyDown(int keyCode, KeyEvent event, KeyEvent otherEvent) { 6165 if (!isEnabled()) { 6166 return KEY_EVENT_NOT_HANDLED; 6167 } 6168 6169 // If this is the initial keydown, we don't want to prevent a movement away from this view. 6170 // While this shouldn't be necessary because any time we're preventing default movement we 6171 // should be restricting the focus to remain within this view, thus we'll also receive 6172 // the key up event, occasionally key up events will get dropped and we don't want to 6173 // prevent the user from traversing out of this on the next key down. 6174 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 6175 mPreventDefaultMovement = false; 6176 } 6177 6178 switch (keyCode) { 6179 case KeyEvent.KEYCODE_ENTER: 6180 if (event.hasNoModifiers()) { 6181 // When mInputContentType is set, we know that we are 6182 // running in a "modern" cupcake environment, so don't need 6183 // to worry about the application trying to capture 6184 // enter key events. 6185 if (mEditor != null && mEditor.mInputContentType != null) { 6186 // If there is an action listener, given them a 6187 // chance to consume the event. 6188 if (mEditor.mInputContentType.onEditorActionListener != null && 6189 mEditor.mInputContentType.onEditorActionListener.onEditorAction( 6190 this, EditorInfo.IME_NULL, event)) { 6191 mEditor.mInputContentType.enterDown = true; 6192 // We are consuming the enter key for them. 6193 return KEY_EVENT_HANDLED; 6194 } 6195 } 6196 6197 // If our editor should move focus when enter is pressed, or 6198 // this is a generated event from an IME action button, then 6199 // don't let it be inserted into the text. 6200 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 6201 || shouldAdvanceFocusOnEnter()) { 6202 if (hasOnClickListeners()) { 6203 return KEY_EVENT_NOT_HANDLED; 6204 } 6205 return KEY_EVENT_HANDLED; 6206 } 6207 } 6208 break; 6209 6210 case KeyEvent.KEYCODE_DPAD_CENTER: 6211 if (event.hasNoModifiers()) { 6212 if (shouldAdvanceFocusOnEnter()) { 6213 return KEY_EVENT_NOT_HANDLED; 6214 } 6215 } 6216 break; 6217 6218 case KeyEvent.KEYCODE_TAB: 6219 if (event.hasNoModifiers() || event.hasModifiers(KeyEvent.META_SHIFT_ON)) { 6220 if (shouldAdvanceFocusOnTab()) { 6221 return KEY_EVENT_NOT_HANDLED; 6222 } 6223 } 6224 break; 6225 6226 // Has to be done on key down (and not on key up) to correctly be intercepted. 6227 case KeyEvent.KEYCODE_BACK: 6228 if (mEditor != null && mEditor.mTextActionMode != null) { 6229 stopTextActionMode(); 6230 return KEY_EVENT_HANDLED; 6231 } 6232 break; 6233 6234 case KeyEvent.KEYCODE_CUT: 6235 if (event.hasNoModifiers() && canCut()) { 6236 if (onTextContextMenuItem(ID_CUT)) { 6237 return KEY_EVENT_HANDLED; 6238 } 6239 } 6240 break; 6241 6242 case KeyEvent.KEYCODE_COPY: 6243 if (event.hasNoModifiers() && canCopy()) { 6244 if (onTextContextMenuItem(ID_COPY)) { 6245 return KEY_EVENT_HANDLED; 6246 } 6247 } 6248 break; 6249 6250 case KeyEvent.KEYCODE_PASTE: 6251 if (event.hasNoModifiers() && canPaste()) { 6252 if (onTextContextMenuItem(ID_PASTE)) { 6253 return KEY_EVENT_HANDLED; 6254 } 6255 } 6256 break; 6257 } 6258 6259 if (mEditor != null && mEditor.mKeyListener != null) { 6260 boolean doDown = true; 6261 if (otherEvent != null) { 6262 try { 6263 beginBatchEdit(); 6264 final boolean handled = mEditor.mKeyListener.onKeyOther(this, (Editable) mText, 6265 otherEvent); 6266 hideErrorIfUnchanged(); 6267 doDown = false; 6268 if (handled) { 6269 return KEY_EVENT_HANDLED; 6270 } 6271 } catch (AbstractMethodError e) { 6272 // onKeyOther was added after 1.0, so if it isn't 6273 // implemented we need to try to dispatch as a regular down. 6274 } finally { 6275 endBatchEdit(); 6276 } 6277 } 6278 6279 if (doDown) { 6280 beginBatchEdit(); 6281 final boolean handled = mEditor.mKeyListener.onKeyDown(this, (Editable) mText, 6282 keyCode, event); 6283 endBatchEdit(); 6284 hideErrorIfUnchanged(); 6285 if (handled) return KEY_DOWN_HANDLED_BY_KEY_LISTENER; 6286 } 6287 } 6288 6289 // bug 650865: sometimes we get a key event before a layout. 6290 // don't try to move around if we don't know the layout. 6291 6292 if (mMovement != null && mLayout != null) { 6293 boolean doDown = true; 6294 if (otherEvent != null) { 6295 try { 6296 boolean handled = mMovement.onKeyOther(this, (Spannable) mText, 6297 otherEvent); 6298 doDown = false; 6299 if (handled) { 6300 return KEY_EVENT_HANDLED; 6301 } 6302 } catch (AbstractMethodError e) { 6303 // onKeyOther was added after 1.0, so if it isn't 6304 // implemented we need to try to dispatch as a regular down. 6305 } 6306 } 6307 if (doDown) { 6308 if (mMovement.onKeyDown(this, (Spannable)mText, keyCode, event)) { 6309 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 6310 mPreventDefaultMovement = true; 6311 } 6312 return KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD; 6313 } 6314 } 6315 } 6316 6317 return mPreventDefaultMovement && !KeyEvent.isModifierKey(keyCode) ? 6318 KEY_EVENT_HANDLED : KEY_EVENT_NOT_HANDLED; 6319 } 6320 6321 /** 6322 * Resets the mErrorWasChanged flag, so that future calls to {@link #setError(CharSequence)} 6323 * can be recorded. 6324 * @hide 6325 */ 6326 public void resetErrorChangedFlag() { 6327 /* 6328 * Keep track of what the error was before doing the input 6329 * so that if an input filter changed the error, we leave 6330 * that error showing. Otherwise, we take down whatever 6331 * error was showing when the user types something. 6332 */ 6333 if (mEditor != null) mEditor.mErrorWasChanged = false; 6334 } 6335 6336 /** 6337 * @hide 6338 */ 6339 public void hideErrorIfUnchanged() { 6340 if (mEditor != null && mEditor.mError != null && !mEditor.mErrorWasChanged) { 6341 setError(null, null); 6342 } 6343 } 6344 6345 @Override 6346 public boolean onKeyUp(int keyCode, KeyEvent event) { 6347 if (!isEnabled()) { 6348 return super.onKeyUp(keyCode, event); 6349 } 6350 6351 if (!KeyEvent.isModifierKey(keyCode)) { 6352 mPreventDefaultMovement = false; 6353 } 6354 6355 switch (keyCode) { 6356 case KeyEvent.KEYCODE_DPAD_CENTER: 6357 if (event.hasNoModifiers()) { 6358 /* 6359 * If there is a click listener, just call through to 6360 * super, which will invoke it. 6361 * 6362 * If there isn't a click listener, try to show the soft 6363 * input method. (It will also 6364 * call performClick(), but that won't do anything in 6365 * this case.) 6366 */ 6367 if (!hasOnClickListeners()) { 6368 if (mMovement != null && mText instanceof Editable 6369 && mLayout != null && onCheckIsTextEditor()) { 6370 InputMethodManager imm = InputMethodManager.peekInstance(); 6371 viewClicked(imm); 6372 if (imm != null && getShowSoftInputOnFocus()) { 6373 imm.showSoftInput(this, 0); 6374 } 6375 } 6376 } 6377 } 6378 return super.onKeyUp(keyCode, event); 6379 6380 case KeyEvent.KEYCODE_ENTER: 6381 if (event.hasNoModifiers()) { 6382 if (mEditor != null && mEditor.mInputContentType != null 6383 && mEditor.mInputContentType.onEditorActionListener != null 6384 && mEditor.mInputContentType.enterDown) { 6385 mEditor.mInputContentType.enterDown = false; 6386 if (mEditor.mInputContentType.onEditorActionListener.onEditorAction( 6387 this, EditorInfo.IME_NULL, event)) { 6388 return true; 6389 } 6390 } 6391 6392 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 6393 || shouldAdvanceFocusOnEnter()) { 6394 /* 6395 * If there is a click listener, just call through to 6396 * super, which will invoke it. 6397 * 6398 * If there isn't a click listener, try to advance focus, 6399 * but still call through to super, which will reset the 6400 * pressed state and longpress state. (It will also 6401 * call performClick(), but that won't do anything in 6402 * this case.) 6403 */ 6404 if (!hasOnClickListeners()) { 6405 View v = focusSearch(FOCUS_DOWN); 6406 6407 if (v != null) { 6408 if (!v.requestFocus(FOCUS_DOWN)) { 6409 throw new IllegalStateException( 6410 "focus search returned a view " + 6411 "that wasn't able to take focus!"); 6412 } 6413 6414 /* 6415 * Return true because we handled the key; super 6416 * will return false because there was no click 6417 * listener. 6418 */ 6419 super.onKeyUp(keyCode, event); 6420 return true; 6421 } else if ((event.getFlags() 6422 & KeyEvent.FLAG_EDITOR_ACTION) != 0) { 6423 // No target for next focus, but make sure the IME 6424 // if this came from it. 6425 InputMethodManager imm = InputMethodManager.peekInstance(); 6426 if (imm != null && imm.isActive(this)) { 6427 imm.hideSoftInputFromWindow(getWindowToken(), 0); 6428 } 6429 } 6430 } 6431 } 6432 return super.onKeyUp(keyCode, event); 6433 } 6434 break; 6435 } 6436 6437 if (mEditor != null && mEditor.mKeyListener != null) 6438 if (mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, event)) 6439 return true; 6440 6441 if (mMovement != null && mLayout != null) 6442 if (mMovement.onKeyUp(this, (Spannable) mText, keyCode, event)) 6443 return true; 6444 6445 return super.onKeyUp(keyCode, event); 6446 } 6447 6448 @Override 6449 public boolean onCheckIsTextEditor() { 6450 return mEditor != null && mEditor.mInputType != EditorInfo.TYPE_NULL; 6451 } 6452 6453 @Override 6454 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 6455 if (onCheckIsTextEditor() && isEnabled()) { 6456 mEditor.createInputMethodStateIfNeeded(); 6457 outAttrs.inputType = getInputType(); 6458 if (mEditor.mInputContentType != null) { 6459 outAttrs.imeOptions = mEditor.mInputContentType.imeOptions; 6460 outAttrs.privateImeOptions = mEditor.mInputContentType.privateImeOptions; 6461 outAttrs.actionLabel = mEditor.mInputContentType.imeActionLabel; 6462 outAttrs.actionId = mEditor.mInputContentType.imeActionId; 6463 outAttrs.extras = mEditor.mInputContentType.extras; 6464 outAttrs.hintLocales = mEditor.mInputContentType.imeHintLocales; 6465 } else { 6466 outAttrs.imeOptions = EditorInfo.IME_NULL; 6467 outAttrs.hintLocales = null; 6468 } 6469 if (focusSearch(FOCUS_DOWN) != null) { 6470 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_NEXT; 6471 } 6472 if (focusSearch(FOCUS_UP) != null) { 6473 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS; 6474 } 6475 if ((outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION) 6476 == EditorInfo.IME_ACTION_UNSPECIFIED) { 6477 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) { 6478 // An action has not been set, but the enter key will move to 6479 // the next focus, so set the action to that. 6480 outAttrs.imeOptions |= EditorInfo.IME_ACTION_NEXT; 6481 } else { 6482 // An action has not been set, and there is no focus to move 6483 // to, so let's just supply a "done" action. 6484 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 6485 } 6486 if (!shouldAdvanceFocusOnEnter()) { 6487 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 6488 } 6489 } 6490 if (isMultilineInputType(outAttrs.inputType)) { 6491 // Multi-line text editors should always show an enter key. 6492 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 6493 } 6494 outAttrs.hintText = mHint; 6495 if (mText instanceof Editable) { 6496 InputConnection ic = new EditableInputConnection(this); 6497 outAttrs.initialSelStart = getSelectionStart(); 6498 outAttrs.initialSelEnd = getSelectionEnd(); 6499 outAttrs.initialCapsMode = ic.getCursorCapsMode(getInputType()); 6500 return ic; 6501 } 6502 } 6503 return null; 6504 } 6505 6506 /** 6507 * If this TextView contains editable content, extract a portion of it 6508 * based on the information in <var>request</var> in to <var>outText</var>. 6509 * @return Returns true if the text was successfully extracted, else false. 6510 */ 6511 public boolean extractText(ExtractedTextRequest request, ExtractedText outText) { 6512 createEditorIfNeeded(); 6513 return mEditor.extractText(request, outText); 6514 } 6515 6516 /** 6517 * This is used to remove all style-impacting spans from text before new 6518 * extracted text is being replaced into it, so that we don't have any 6519 * lingering spans applied during the replace. 6520 */ 6521 static void removeParcelableSpans(Spannable spannable, int start, int end) { 6522 Object[] spans = spannable.getSpans(start, end, ParcelableSpan.class); 6523 int i = spans.length; 6524 while (i > 0) { 6525 i--; 6526 spannable.removeSpan(spans[i]); 6527 } 6528 } 6529 6530 /** 6531 * Apply to this text view the given extracted text, as previously 6532 * returned by {@link #extractText(ExtractedTextRequest, ExtractedText)}. 6533 */ 6534 public void setExtractedText(ExtractedText text) { 6535 Editable content = getEditableText(); 6536 if (text.text != null) { 6537 if (content == null) { 6538 setText(text.text, TextView.BufferType.EDITABLE); 6539 } else { 6540 int start = 0; 6541 int end = content.length(); 6542 6543 if (text.partialStartOffset >= 0) { 6544 final int N = content.length(); 6545 start = text.partialStartOffset; 6546 if (start > N) start = N; 6547 end = text.partialEndOffset; 6548 if (end > N) end = N; 6549 } 6550 6551 removeParcelableSpans(content, start, end); 6552 if (TextUtils.equals(content.subSequence(start, end), text.text)) { 6553 if (text.text instanceof Spanned) { 6554 // OK to copy spans only. 6555 TextUtils.copySpansFrom((Spanned) text.text, 0, end - start, 6556 Object.class, content, start); 6557 } 6558 } else { 6559 content.replace(start, end, text.text); 6560 } 6561 } 6562 } 6563 6564 // Now set the selection position... make sure it is in range, to 6565 // avoid crashes. If this is a partial update, it is possible that 6566 // the underlying text may have changed, causing us problems here. 6567 // Also we just don't want to trust clients to do the right thing. 6568 Spannable sp = (Spannable)getText(); 6569 final int N = sp.length(); 6570 int start = text.selectionStart; 6571 if (start < 0) start = 0; 6572 else if (start > N) start = N; 6573 int end = text.selectionEnd; 6574 if (end < 0) end = 0; 6575 else if (end > N) end = N; 6576 Selection.setSelection(sp, start, end); 6577 6578 // Finally, update the selection mode. 6579 if ((text.flags&ExtractedText.FLAG_SELECTING) != 0) { 6580 MetaKeyKeyListener.startSelecting(this, sp); 6581 } else { 6582 MetaKeyKeyListener.stopSelecting(this, sp); 6583 } 6584 } 6585 6586 /** 6587 * @hide 6588 */ 6589 public void setExtracting(ExtractedTextRequest req) { 6590 if (mEditor.mInputMethodState != null) { 6591 mEditor.mInputMethodState.mExtractedTextRequest = req; 6592 } 6593 // This would stop a possible selection mode, but no such mode is started in case 6594 // extracted mode will start. Some text is selected though, and will trigger an action mode 6595 // in the extracted view. 6596 mEditor.hideCursorAndSpanControllers(); 6597 stopTextActionMode(); 6598 if (mEditor.mSelectionModifierCursorController != null) { 6599 mEditor.mSelectionModifierCursorController.resetTouchOffsets(); 6600 } 6601 } 6602 6603 /** 6604 * Called by the framework in response to a text completion from 6605 * the current input method, provided by it calling 6606 * {@link InputConnection#commitCompletion 6607 * InputConnection.commitCompletion()}. The default implementation does 6608 * nothing; text views that are supporting auto-completion should override 6609 * this to do their desired behavior. 6610 * 6611 * @param text The auto complete text the user has selected. 6612 */ 6613 public void onCommitCompletion(CompletionInfo text) { 6614 // intentionally empty 6615 } 6616 6617 /** 6618 * Called by the framework in response to a text auto-correction (such as fixing a typo using a 6619 * a dictionnary) from the current input method, provided by it calling 6620 * {@link InputConnection#commitCorrection} InputConnection.commitCorrection()}. The default 6621 * implementation flashes the background of the corrected word to provide feedback to the user. 6622 * 6623 * @param info The auto correct info about the text that was corrected. 6624 */ 6625 public void onCommitCorrection(CorrectionInfo info) { 6626 if (mEditor != null) mEditor.onCommitCorrection(info); 6627 } 6628 6629 public void beginBatchEdit() { 6630 if (mEditor != null) mEditor.beginBatchEdit(); 6631 } 6632 6633 public void endBatchEdit() { 6634 if (mEditor != null) mEditor.endBatchEdit(); 6635 } 6636 6637 /** 6638 * Called by the framework in response to a request to begin a batch 6639 * of edit operations through a call to link {@link #beginBatchEdit()}. 6640 */ 6641 public void onBeginBatchEdit() { 6642 // intentionally empty 6643 } 6644 6645 /** 6646 * Called by the framework in response to a request to end a batch 6647 * of edit operations through a call to link {@link #endBatchEdit}. 6648 */ 6649 public void onEndBatchEdit() { 6650 // intentionally empty 6651 } 6652 6653 /** 6654 * Called by the framework in response to a private command from the 6655 * current method, provided by it calling 6656 * {@link InputConnection#performPrivateCommand 6657 * InputConnection.performPrivateCommand()}. 6658 * 6659 * @param action The action name of the command. 6660 * @param data Any additional data for the command. This may be null. 6661 * @return Return true if you handled the command, else false. 6662 */ 6663 public boolean onPrivateIMECommand(String action, Bundle data) { 6664 return false; 6665 } 6666 6667 private void nullLayouts() { 6668 if (mLayout instanceof BoringLayout && mSavedLayout == null) { 6669 mSavedLayout = (BoringLayout) mLayout; 6670 } 6671 if (mHintLayout instanceof BoringLayout && mSavedHintLayout == null) { 6672 mSavedHintLayout = (BoringLayout) mHintLayout; 6673 } 6674 6675 mSavedMarqueeModeLayout = mLayout = mHintLayout = null; 6676 6677 mBoring = mHintBoring = null; 6678 6679 // Since it depends on the value of mLayout 6680 if (mEditor != null) mEditor.prepareCursorControllers(); 6681 } 6682 6683 /** 6684 * Make a new Layout based on the already-measured size of the view, 6685 * on the assumption that it was measured correctly at some point. 6686 */ 6687 private void assumeLayout() { 6688 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6689 6690 if (width < 1) { 6691 width = 0; 6692 } 6693 6694 int physicalWidth = width; 6695 6696 if (mHorizontallyScrolling) { 6697 width = VERY_WIDE; 6698 } 6699 6700 makeNewLayout(width, physicalWidth, UNKNOWN_BORING, UNKNOWN_BORING, 6701 physicalWidth, false); 6702 } 6703 6704 private Layout.Alignment getLayoutAlignment() { 6705 Layout.Alignment alignment; 6706 switch (getTextAlignment()) { 6707 case TEXT_ALIGNMENT_GRAVITY: 6708 switch (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) { 6709 case Gravity.START: 6710 alignment = Layout.Alignment.ALIGN_NORMAL; 6711 break; 6712 case Gravity.END: 6713 alignment = Layout.Alignment.ALIGN_OPPOSITE; 6714 break; 6715 case Gravity.LEFT: 6716 alignment = Layout.Alignment.ALIGN_LEFT; 6717 break; 6718 case Gravity.RIGHT: 6719 alignment = Layout.Alignment.ALIGN_RIGHT; 6720 break; 6721 case Gravity.CENTER_HORIZONTAL: 6722 alignment = Layout.Alignment.ALIGN_CENTER; 6723 break; 6724 default: 6725 alignment = Layout.Alignment.ALIGN_NORMAL; 6726 break; 6727 } 6728 break; 6729 case TEXT_ALIGNMENT_TEXT_START: 6730 alignment = Layout.Alignment.ALIGN_NORMAL; 6731 break; 6732 case TEXT_ALIGNMENT_TEXT_END: 6733 alignment = Layout.Alignment.ALIGN_OPPOSITE; 6734 break; 6735 case TEXT_ALIGNMENT_CENTER: 6736 alignment = Layout.Alignment.ALIGN_CENTER; 6737 break; 6738 case TEXT_ALIGNMENT_VIEW_START: 6739 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 6740 Layout.Alignment.ALIGN_RIGHT : Layout.Alignment.ALIGN_LEFT; 6741 break; 6742 case TEXT_ALIGNMENT_VIEW_END: 6743 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 6744 Layout.Alignment.ALIGN_LEFT : Layout.Alignment.ALIGN_RIGHT; 6745 break; 6746 case TEXT_ALIGNMENT_INHERIT: 6747 // This should never happen as we have already resolved the text alignment 6748 // but better safe than sorry so we just fall through 6749 default: 6750 alignment = Layout.Alignment.ALIGN_NORMAL; 6751 break; 6752 } 6753 return alignment; 6754 } 6755 6756 /** 6757 * The width passed in is now the desired layout width, 6758 * not the full view width with padding. 6759 * {@hide} 6760 */ 6761 protected void makeNewLayout(int wantWidth, int hintWidth, 6762 BoringLayout.Metrics boring, 6763 BoringLayout.Metrics hintBoring, 6764 int ellipsisWidth, boolean bringIntoView) { 6765 stopMarquee(); 6766 6767 // Update "old" cached values 6768 mOldMaximum = mMaximum; 6769 mOldMaxMode = mMaxMode; 6770 6771 mHighlightPathBogus = true; 6772 6773 if (wantWidth < 0) { 6774 wantWidth = 0; 6775 } 6776 if (hintWidth < 0) { 6777 hintWidth = 0; 6778 } 6779 6780 Layout.Alignment alignment = getLayoutAlignment(); 6781 final boolean testDirChange = mSingleLine && mLayout != null && 6782 (alignment == Layout.Alignment.ALIGN_NORMAL || 6783 alignment == Layout.Alignment.ALIGN_OPPOSITE); 6784 int oldDir = 0; 6785 if (testDirChange) oldDir = mLayout.getParagraphDirection(0); 6786 boolean shouldEllipsize = mEllipsize != null && getKeyListener() == null; 6787 final boolean switchEllipsize = mEllipsize == TruncateAt.MARQUEE && 6788 mMarqueeFadeMode != MARQUEE_FADE_NORMAL; 6789 TruncateAt effectiveEllipsize = mEllipsize; 6790 if (mEllipsize == TruncateAt.MARQUEE && 6791 mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 6792 effectiveEllipsize = TruncateAt.END_SMALL; 6793 } 6794 6795 if (mTextDir == null) { 6796 mTextDir = getTextDirectionHeuristic(); 6797 } 6798 6799 mLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, 6800 effectiveEllipsize, effectiveEllipsize == mEllipsize); 6801 if (switchEllipsize) { 6802 TruncateAt oppositeEllipsize = effectiveEllipsize == TruncateAt.MARQUEE ? 6803 TruncateAt.END : TruncateAt.MARQUEE; 6804 mSavedMarqueeModeLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, 6805 shouldEllipsize, oppositeEllipsize, effectiveEllipsize != mEllipsize); 6806 } 6807 6808 shouldEllipsize = mEllipsize != null; 6809 mHintLayout = null; 6810 6811 if (mHint != null) { 6812 if (shouldEllipsize) hintWidth = wantWidth; 6813 6814 if (hintBoring == UNKNOWN_BORING) { 6815 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, 6816 mHintBoring); 6817 if (hintBoring != null) { 6818 mHintBoring = hintBoring; 6819 } 6820 } 6821 6822 if (hintBoring != null) { 6823 if (hintBoring.width <= hintWidth && 6824 (!shouldEllipsize || hintBoring.width <= ellipsisWidth)) { 6825 if (mSavedHintLayout != null) { 6826 mHintLayout = mSavedHintLayout. 6827 replaceOrMake(mHint, mTextPaint, 6828 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6829 hintBoring, mIncludePad); 6830 } else { 6831 mHintLayout = BoringLayout.make(mHint, mTextPaint, 6832 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6833 hintBoring, mIncludePad); 6834 } 6835 6836 mSavedHintLayout = (BoringLayout) mHintLayout; 6837 } else if (shouldEllipsize && hintBoring.width <= hintWidth) { 6838 if (mSavedHintLayout != null) { 6839 mHintLayout = mSavedHintLayout. 6840 replaceOrMake(mHint, mTextPaint, 6841 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6842 hintBoring, mIncludePad, mEllipsize, 6843 ellipsisWidth); 6844 } else { 6845 mHintLayout = BoringLayout.make(mHint, mTextPaint, 6846 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6847 hintBoring, mIncludePad, mEllipsize, 6848 ellipsisWidth); 6849 } 6850 } 6851 } 6852 // TODO: code duplication with makeSingleLayout() 6853 if (mHintLayout == null) { 6854 StaticLayout.Builder builder = StaticLayout.Builder.obtain(mHint, 0, 6855 mHint.length(), mTextPaint, hintWidth) 6856 .setAlignment(alignment) 6857 .setTextDirection(mTextDir) 6858 .setLineSpacing(mSpacingAdd, mSpacingMult) 6859 .setIncludePad(mIncludePad) 6860 .setBreakStrategy(mBreakStrategy) 6861 .setHyphenationFrequency(mHyphenationFrequency); 6862 if (shouldEllipsize) { 6863 builder.setEllipsize(mEllipsize) 6864 .setEllipsizedWidth(ellipsisWidth) 6865 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6866 } 6867 mHintLayout = builder.build(); 6868 } 6869 } 6870 6871 if (bringIntoView || (testDirChange && oldDir != mLayout.getParagraphDirection(0))) { 6872 registerForPreDraw(); 6873 } 6874 6875 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6876 if (!compressText(ellipsisWidth)) { 6877 final int height = mLayoutParams.height; 6878 // If the size of the view does not depend on the size of the text, try to 6879 // start the marquee immediately 6880 if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.MATCH_PARENT) { 6881 startMarquee(); 6882 } else { 6883 // Defer the start of the marquee until we know our width (see setFrame()) 6884 mRestartMarquee = true; 6885 } 6886 } 6887 } 6888 6889 // CursorControllers need a non-null mLayout 6890 if (mEditor != null) mEditor.prepareCursorControllers(); 6891 } 6892 6893 /** 6894 * @hide 6895 */ 6896 protected Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, 6897 Layout.Alignment alignment, boolean shouldEllipsize, TruncateAt effectiveEllipsize, 6898 boolean useSaved) { 6899 Layout result = null; 6900 if (mText instanceof Spannable) { 6901 result = new DynamicLayout(mText, mTransformed, mTextPaint, wantWidth, 6902 alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad, 6903 mBreakStrategy, mHyphenationFrequency, 6904 getKeyListener() == null ? effectiveEllipsize : null, ellipsisWidth); 6905 } else { 6906 if (boring == UNKNOWN_BORING) { 6907 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 6908 if (boring != null) { 6909 mBoring = boring; 6910 } 6911 } 6912 6913 if (boring != null) { 6914 if (boring.width <= wantWidth && 6915 (effectiveEllipsize == null || boring.width <= ellipsisWidth)) { 6916 if (useSaved && mSavedLayout != null) { 6917 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6918 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6919 boring, mIncludePad); 6920 } else { 6921 result = BoringLayout.make(mTransformed, mTextPaint, 6922 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6923 boring, mIncludePad); 6924 } 6925 6926 if (useSaved) { 6927 mSavedLayout = (BoringLayout) result; 6928 } 6929 } else if (shouldEllipsize && boring.width <= wantWidth) { 6930 if (useSaved && mSavedLayout != null) { 6931 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6932 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6933 boring, mIncludePad, effectiveEllipsize, 6934 ellipsisWidth); 6935 } else { 6936 result = BoringLayout.make(mTransformed, mTextPaint, 6937 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6938 boring, mIncludePad, effectiveEllipsize, 6939 ellipsisWidth); 6940 } 6941 } 6942 } 6943 } 6944 if (result == null) { 6945 StaticLayout.Builder builder = StaticLayout.Builder.obtain(mTransformed, 6946 0, mTransformed.length(), mTextPaint, wantWidth) 6947 .setAlignment(alignment) 6948 .setTextDirection(mTextDir) 6949 .setLineSpacing(mSpacingAdd, mSpacingMult) 6950 .setIncludePad(mIncludePad) 6951 .setBreakStrategy(mBreakStrategy) 6952 .setHyphenationFrequency(mHyphenationFrequency); 6953 if (shouldEllipsize) { 6954 builder.setEllipsize(effectiveEllipsize) 6955 .setEllipsizedWidth(ellipsisWidth) 6956 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6957 } 6958 // TODO: explore always setting maxLines 6959 result = builder.build(); 6960 } 6961 return result; 6962 } 6963 6964 private boolean compressText(float width) { 6965 if (isHardwareAccelerated()) return false; 6966 6967 // Only compress the text if it hasn't been compressed by the previous pass 6968 if (width > 0.0f && mLayout != null && getLineCount() == 1 && !mUserSetTextScaleX && 6969 mTextPaint.getTextScaleX() == 1.0f) { 6970 final float textWidth = mLayout.getLineWidth(0); 6971 final float overflow = (textWidth + 1.0f - width) / width; 6972 if (overflow > 0.0f && overflow <= Marquee.MARQUEE_DELTA_MAX) { 6973 mTextPaint.setTextScaleX(1.0f - overflow - 0.005f); 6974 post(new Runnable() { 6975 public void run() { 6976 requestLayout(); 6977 } 6978 }); 6979 return true; 6980 } 6981 } 6982 6983 return false; 6984 } 6985 6986 private static int desired(Layout layout) { 6987 int n = layout.getLineCount(); 6988 CharSequence text = layout.getText(); 6989 float max = 0; 6990 6991 // if any line was wrapped, we can't use it. 6992 // but it's ok for the last line not to have a newline 6993 6994 for (int i = 0; i < n - 1; i++) { 6995 if (text.charAt(layout.getLineEnd(i) - 1) != '\n') 6996 return -1; 6997 } 6998 6999 for (int i = 0; i < n; i++) { 7000 max = Math.max(max, layout.getLineWidth(i)); 7001 } 7002 7003 return (int) Math.ceil(max); 7004 } 7005 7006 /** 7007 * Set whether the TextView includes extra top and bottom padding to make 7008 * room for accents that go above the normal ascent and descent. 7009 * The default is true. 7010 * 7011 * @see #getIncludeFontPadding() 7012 * 7013 * @attr ref android.R.styleable#TextView_includeFontPadding 7014 */ 7015 public void setIncludeFontPadding(boolean includepad) { 7016 if (mIncludePad != includepad) { 7017 mIncludePad = includepad; 7018 7019 if (mLayout != null) { 7020 nullLayouts(); 7021 requestLayout(); 7022 invalidate(); 7023 } 7024 } 7025 } 7026 7027 /** 7028 * Gets whether the TextView includes extra top and bottom padding to make 7029 * room for accents that go above the normal ascent and descent. 7030 * 7031 * @see #setIncludeFontPadding(boolean) 7032 * 7033 * @attr ref android.R.styleable#TextView_includeFontPadding 7034 */ 7035 public boolean getIncludeFontPadding() { 7036 return mIncludePad; 7037 } 7038 7039 private static final BoringLayout.Metrics UNKNOWN_BORING = new BoringLayout.Metrics(); 7040 7041 @Override 7042 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 7043 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 7044 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 7045 int widthSize = MeasureSpec.getSize(widthMeasureSpec); 7046 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 7047 7048 int width; 7049 int height; 7050 7051 BoringLayout.Metrics boring = UNKNOWN_BORING; 7052 BoringLayout.Metrics hintBoring = UNKNOWN_BORING; 7053 7054 if (mTextDir == null) { 7055 mTextDir = getTextDirectionHeuristic(); 7056 } 7057 7058 int des = -1; 7059 boolean fromexisting = false; 7060 7061 if (widthMode == MeasureSpec.EXACTLY) { 7062 // Parent has told us how big to be. So be it. 7063 width = widthSize; 7064 } else { 7065 if (mLayout != null && mEllipsize == null) { 7066 des = desired(mLayout); 7067 } 7068 7069 if (des < 0) { 7070 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 7071 if (boring != null) { 7072 mBoring = boring; 7073 } 7074 } else { 7075 fromexisting = true; 7076 } 7077 7078 if (boring == null || boring == UNKNOWN_BORING) { 7079 if (des < 0) { 7080 des = (int) Math.ceil(Layout.getDesiredWidth(mTransformed, mTextPaint)); 7081 } 7082 width = des; 7083 } else { 7084 width = boring.width; 7085 } 7086 7087 final Drawables dr = mDrawables; 7088 if (dr != null) { 7089 width = Math.max(width, dr.mDrawableWidthTop); 7090 width = Math.max(width, dr.mDrawableWidthBottom); 7091 } 7092 7093 if (mHint != null) { 7094 int hintDes = -1; 7095 int hintWidth; 7096 7097 if (mHintLayout != null && mEllipsize == null) { 7098 hintDes = desired(mHintLayout); 7099 } 7100 7101 if (hintDes < 0) { 7102 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring); 7103 if (hintBoring != null) { 7104 mHintBoring = hintBoring; 7105 } 7106 } 7107 7108 if (hintBoring == null || hintBoring == UNKNOWN_BORING) { 7109 if (hintDes < 0) { 7110 hintDes = (int) Math.ceil(Layout.getDesiredWidth(mHint, mTextPaint)); 7111 } 7112 hintWidth = hintDes; 7113 } else { 7114 hintWidth = hintBoring.width; 7115 } 7116 7117 if (hintWidth > width) { 7118 width = hintWidth; 7119 } 7120 } 7121 7122 width += getCompoundPaddingLeft() + getCompoundPaddingRight(); 7123 7124 if (mMaxWidthMode == EMS) { 7125 width = Math.min(width, mMaxWidth * getLineHeight()); 7126 } else { 7127 width = Math.min(width, mMaxWidth); 7128 } 7129 7130 if (mMinWidthMode == EMS) { 7131 width = Math.max(width, mMinWidth * getLineHeight()); 7132 } else { 7133 width = Math.max(width, mMinWidth); 7134 } 7135 7136 // Check against our minimum width 7137 width = Math.max(width, getSuggestedMinimumWidth()); 7138 7139 if (widthMode == MeasureSpec.AT_MOST) { 7140 width = Math.min(widthSize, width); 7141 } 7142 } 7143 7144 int want = width - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7145 int unpaddedWidth = want; 7146 7147 if (mHorizontallyScrolling) want = VERY_WIDE; 7148 7149 int hintWant = want; 7150 int hintWidth = (mHintLayout == null) ? hintWant : mHintLayout.getWidth(); 7151 7152 if (mLayout == null) { 7153 makeNewLayout(want, hintWant, boring, hintBoring, 7154 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 7155 } else { 7156 final boolean layoutChanged = (mLayout.getWidth() != want) || 7157 (hintWidth != hintWant) || 7158 (mLayout.getEllipsizedWidth() != 7159 width - getCompoundPaddingLeft() - getCompoundPaddingRight()); 7160 7161 final boolean widthChanged = (mHint == null) && 7162 (mEllipsize == null) && 7163 (want > mLayout.getWidth()) && 7164 (mLayout instanceof BoringLayout || (fromexisting && des >= 0 && des <= want)); 7165 7166 final boolean maximumChanged = (mMaxMode != mOldMaxMode) || (mMaximum != mOldMaximum); 7167 7168 if (layoutChanged || maximumChanged) { 7169 if (!maximumChanged && widthChanged) { 7170 mLayout.increaseWidthTo(want); 7171 } else { 7172 makeNewLayout(want, hintWant, boring, hintBoring, 7173 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 7174 } 7175 } else { 7176 // Nothing has changed 7177 } 7178 } 7179 7180 if (heightMode == MeasureSpec.EXACTLY) { 7181 // Parent has told us how big to be. So be it. 7182 height = heightSize; 7183 mDesiredHeightAtMeasure = -1; 7184 } else { 7185 int desired = getDesiredHeight(); 7186 7187 height = desired; 7188 mDesiredHeightAtMeasure = desired; 7189 7190 if (heightMode == MeasureSpec.AT_MOST) { 7191 height = Math.min(desired, heightSize); 7192 } 7193 } 7194 7195 int unpaddedHeight = height - getCompoundPaddingTop() - getCompoundPaddingBottom(); 7196 if (mMaxMode == LINES && mLayout.getLineCount() > mMaximum) { 7197 unpaddedHeight = Math.min(unpaddedHeight, mLayout.getLineTop(mMaximum)); 7198 } 7199 7200 /* 7201 * We didn't let makeNewLayout() register to bring the cursor into view, 7202 * so do it here if there is any possibility that it is needed. 7203 */ 7204 if (mMovement != null || 7205 mLayout.getWidth() > unpaddedWidth || 7206 mLayout.getHeight() > unpaddedHeight) { 7207 registerForPreDraw(); 7208 } else { 7209 scrollTo(0, 0); 7210 } 7211 7212 setMeasuredDimension(width, height); 7213 } 7214 7215 private int getDesiredHeight() { 7216 return Math.max( 7217 getDesiredHeight(mLayout, true), 7218 getDesiredHeight(mHintLayout, mEllipsize != null)); 7219 } 7220 7221 private int getDesiredHeight(Layout layout, boolean cap) { 7222 if (layout == null) { 7223 return 0; 7224 } 7225 7226 int linecount = layout.getLineCount(); 7227 int pad = getCompoundPaddingTop() + getCompoundPaddingBottom(); 7228 int desired = layout.getLineTop(linecount); 7229 7230 final Drawables dr = mDrawables; 7231 if (dr != null) { 7232 desired = Math.max(desired, dr.mDrawableHeightLeft); 7233 desired = Math.max(desired, dr.mDrawableHeightRight); 7234 } 7235 7236 desired += pad; 7237 7238 if (mMaxMode == LINES) { 7239 /* 7240 * Don't cap the hint to a certain number of lines. 7241 * (Do cap it, though, if we have a maximum pixel height.) 7242 */ 7243 if (cap) { 7244 if (linecount > mMaximum) { 7245 desired = layout.getLineTop(mMaximum); 7246 7247 if (dr != null) { 7248 desired = Math.max(desired, dr.mDrawableHeightLeft); 7249 desired = Math.max(desired, dr.mDrawableHeightRight); 7250 } 7251 7252 desired += pad; 7253 linecount = mMaximum; 7254 } 7255 } 7256 } else { 7257 desired = Math.min(desired, mMaximum); 7258 } 7259 7260 if (mMinMode == LINES) { 7261 if (linecount < mMinimum) { 7262 desired += getLineHeight() * (mMinimum - linecount); 7263 } 7264 } else { 7265 desired = Math.max(desired, mMinimum); 7266 } 7267 7268 // Check against our minimum height 7269 desired = Math.max(desired, getSuggestedMinimumHeight()); 7270 7271 return desired; 7272 } 7273 7274 /** 7275 * Check whether a change to the existing text layout requires a 7276 * new view layout. 7277 */ 7278 private void checkForResize() { 7279 boolean sizeChanged = false; 7280 7281 if (mLayout != null) { 7282 // Check if our width changed 7283 if (mLayoutParams.width == LayoutParams.WRAP_CONTENT) { 7284 sizeChanged = true; 7285 invalidate(); 7286 } 7287 7288 // Check if our height changed 7289 if (mLayoutParams.height == LayoutParams.WRAP_CONTENT) { 7290 int desiredHeight = getDesiredHeight(); 7291 7292 if (desiredHeight != this.getHeight()) { 7293 sizeChanged = true; 7294 } 7295 } else if (mLayoutParams.height == LayoutParams.MATCH_PARENT) { 7296 if (mDesiredHeightAtMeasure >= 0) { 7297 int desiredHeight = getDesiredHeight(); 7298 7299 if (desiredHeight != mDesiredHeightAtMeasure) { 7300 sizeChanged = true; 7301 } 7302 } 7303 } 7304 } 7305 7306 if (sizeChanged) { 7307 requestLayout(); 7308 // caller will have already invalidated 7309 } 7310 } 7311 7312 /** 7313 * Check whether entirely new text requires a new view layout 7314 * or merely a new text layout. 7315 */ 7316 private void checkForRelayout() { 7317 // If we have a fixed width, we can just swap in a new text layout 7318 // if the text height stays the same or if the view height is fixed. 7319 7320 if ((mLayoutParams.width != LayoutParams.WRAP_CONTENT || 7321 (mMaxWidthMode == mMinWidthMode && mMaxWidth == mMinWidth)) && 7322 (mHint == null || mHintLayout != null) && 7323 (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight() > 0)) { 7324 // Static width, so try making a new text layout. 7325 7326 int oldht = mLayout.getHeight(); 7327 int want = mLayout.getWidth(); 7328 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 7329 7330 /* 7331 * No need to bring the text into view, since the size is not 7332 * changing (unless we do the requestLayout(), in which case it 7333 * will happen at measure). 7334 */ 7335 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 7336 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), 7337 false); 7338 7339 if (mEllipsize != TextUtils.TruncateAt.MARQUEE) { 7340 // In a fixed-height view, so use our new text layout. 7341 if (mLayoutParams.height != LayoutParams.WRAP_CONTENT && 7342 mLayoutParams.height != LayoutParams.MATCH_PARENT) { 7343 invalidate(); 7344 return; 7345 } 7346 7347 // Dynamic height, but height has stayed the same, 7348 // so use our new text layout. 7349 if (mLayout.getHeight() == oldht && 7350 (mHintLayout == null || mHintLayout.getHeight() == oldht)) { 7351 invalidate(); 7352 return; 7353 } 7354 } 7355 7356 // We lose: the height has changed and we have a dynamic height. 7357 // Request a new view layout using our new text layout. 7358 requestLayout(); 7359 invalidate(); 7360 } else { 7361 // Dynamic width, so we have no choice but to request a new 7362 // view layout with a new text layout. 7363 nullLayouts(); 7364 requestLayout(); 7365 invalidate(); 7366 } 7367 } 7368 7369 @Override 7370 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 7371 super.onLayout(changed, left, top, right, bottom); 7372 if (mDeferScroll >= 0) { 7373 int curs = mDeferScroll; 7374 mDeferScroll = -1; 7375 bringPointIntoView(Math.min(curs, mText.length())); 7376 } 7377 } 7378 7379 private boolean isShowingHint() { 7380 return TextUtils.isEmpty(mText) && !TextUtils.isEmpty(mHint); 7381 } 7382 7383 /** 7384 * Returns true if anything changed. 7385 */ 7386 private boolean bringTextIntoView() { 7387 Layout layout = isShowingHint() ? mHintLayout : mLayout; 7388 int line = 0; 7389 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 7390 line = layout.getLineCount() - 1; 7391 } 7392 7393 Layout.Alignment a = layout.getParagraphAlignment(line); 7394 int dir = layout.getParagraphDirection(line); 7395 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7396 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7397 int ht = layout.getHeight(); 7398 7399 int scrollx, scrolly; 7400 7401 // Convert to left, center, or right alignment. 7402 if (a == Layout.Alignment.ALIGN_NORMAL) { 7403 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_LEFT : 7404 Layout.Alignment.ALIGN_RIGHT; 7405 } else if (a == Layout.Alignment.ALIGN_OPPOSITE){ 7406 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_RIGHT : 7407 Layout.Alignment.ALIGN_LEFT; 7408 } 7409 7410 if (a == Layout.Alignment.ALIGN_CENTER) { 7411 /* 7412 * Keep centered if possible, or, if it is too wide to fit, 7413 * keep leading edge in view. 7414 */ 7415 7416 int left = (int) Math.floor(layout.getLineLeft(line)); 7417 int right = (int) Math.ceil(layout.getLineRight(line)); 7418 7419 if (right - left < hspace) { 7420 scrollx = (right + left) / 2 - hspace / 2; 7421 } else { 7422 if (dir < 0) { 7423 scrollx = right - hspace; 7424 } else { 7425 scrollx = left; 7426 } 7427 } 7428 } else if (a == Layout.Alignment.ALIGN_RIGHT) { 7429 int right = (int) Math.ceil(layout.getLineRight(line)); 7430 scrollx = right - hspace; 7431 } else { // a == Layout.Alignment.ALIGN_LEFT (will also be the default) 7432 scrollx = (int) Math.floor(layout.getLineLeft(line)); 7433 } 7434 7435 if (ht < vspace) { 7436 scrolly = 0; 7437 } else { 7438 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 7439 scrolly = ht - vspace; 7440 } else { 7441 scrolly = 0; 7442 } 7443 } 7444 7445 if (scrollx != mScrollX || scrolly != mScrollY) { 7446 scrollTo(scrollx, scrolly); 7447 return true; 7448 } else { 7449 return false; 7450 } 7451 } 7452 7453 /** 7454 * Move the point, specified by the offset, into the view if it is needed. 7455 * This has to be called after layout. Returns true if anything changed. 7456 */ 7457 public boolean bringPointIntoView(int offset) { 7458 if (isLayoutRequested()) { 7459 mDeferScroll = offset; 7460 return false; 7461 } 7462 boolean changed = false; 7463 7464 Layout layout = isShowingHint() ? mHintLayout: mLayout; 7465 7466 if (layout == null) return changed; 7467 7468 int line = layout.getLineForOffset(offset); 7469 7470 int grav; 7471 7472 switch (layout.getParagraphAlignment(line)) { 7473 case ALIGN_LEFT: 7474 grav = 1; 7475 break; 7476 case ALIGN_RIGHT: 7477 grav = -1; 7478 break; 7479 case ALIGN_NORMAL: 7480 grav = layout.getParagraphDirection(line); 7481 break; 7482 case ALIGN_OPPOSITE: 7483 grav = -layout.getParagraphDirection(line); 7484 break; 7485 case ALIGN_CENTER: 7486 default: 7487 grav = 0; 7488 break; 7489 } 7490 7491 // We only want to clamp the cursor to fit within the layout width 7492 // in left-to-right modes, because in a right to left alignment, 7493 // we want to scroll to keep the line-right on the screen, as other 7494 // lines are likely to have text flush with the right margin, which 7495 // we want to keep visible. 7496 // A better long-term solution would probably be to measure both 7497 // the full line and a blank-trimmed version, and, for example, use 7498 // the latter measurement for centering and right alignment, but for 7499 // the time being we only implement the cursor clamping in left to 7500 // right where it is most likely to be annoying. 7501 final boolean clamped = grav > 0; 7502 // FIXME: Is it okay to truncate this, or should we round? 7503 final int x = (int)layout.getPrimaryHorizontal(offset, clamped); 7504 final int top = layout.getLineTop(line); 7505 final int bottom = layout.getLineTop(line + 1); 7506 7507 int left = (int) Math.floor(layout.getLineLeft(line)); 7508 int right = (int) Math.ceil(layout.getLineRight(line)); 7509 int ht = layout.getHeight(); 7510 7511 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7512 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7513 if (!mHorizontallyScrolling && right - left > hspace && right > x) { 7514 // If cursor has been clamped, make sure we don't scroll. 7515 right = Math.max(x, left + hspace); 7516 } 7517 7518 int hslack = (bottom - top) / 2; 7519 int vslack = hslack; 7520 7521 if (vslack > vspace / 4) 7522 vslack = vspace / 4; 7523 if (hslack > hspace / 4) 7524 hslack = hspace / 4; 7525 7526 int hs = mScrollX; 7527 int vs = mScrollY; 7528 7529 if (top - vs < vslack) 7530 vs = top - vslack; 7531 if (bottom - vs > vspace - vslack) 7532 vs = bottom - (vspace - vslack); 7533 if (ht - vs < vspace) 7534 vs = ht - vspace; 7535 if (0 - vs > 0) 7536 vs = 0; 7537 7538 if (grav != 0) { 7539 if (x - hs < hslack) { 7540 hs = x - hslack; 7541 } 7542 if (x - hs > hspace - hslack) { 7543 hs = x - (hspace - hslack); 7544 } 7545 } 7546 7547 if (grav < 0) { 7548 if (left - hs > 0) 7549 hs = left; 7550 if (right - hs < hspace) 7551 hs = right - hspace; 7552 } else if (grav > 0) { 7553 if (right - hs < hspace) 7554 hs = right - hspace; 7555 if (left - hs > 0) 7556 hs = left; 7557 } else /* grav == 0 */ { 7558 if (right - left <= hspace) { 7559 /* 7560 * If the entire text fits, center it exactly. 7561 */ 7562 hs = left - (hspace - (right - left)) / 2; 7563 } else if (x > right - hslack) { 7564 /* 7565 * If we are near the right edge, keep the right edge 7566 * at the edge of the view. 7567 */ 7568 hs = right - hspace; 7569 } else if (x < left + hslack) { 7570 /* 7571 * If we are near the left edge, keep the left edge 7572 * at the edge of the view. 7573 */ 7574 hs = left; 7575 } else if (left > hs) { 7576 /* 7577 * Is there whitespace visible at the left? Fix it if so. 7578 */ 7579 hs = left; 7580 } else if (right < hs + hspace) { 7581 /* 7582 * Is there whitespace visible at the right? Fix it if so. 7583 */ 7584 hs = right - hspace; 7585 } else { 7586 /* 7587 * Otherwise, float as needed. 7588 */ 7589 if (x - hs < hslack) { 7590 hs = x - hslack; 7591 } 7592 if (x - hs > hspace - hslack) { 7593 hs = x - (hspace - hslack); 7594 } 7595 } 7596 } 7597 7598 if (hs != mScrollX || vs != mScrollY) { 7599 if (mScroller == null) { 7600 scrollTo(hs, vs); 7601 } else { 7602 long duration = AnimationUtils.currentAnimationTimeMillis() - mLastScroll; 7603 int dx = hs - mScrollX; 7604 int dy = vs - mScrollY; 7605 7606 if (duration > ANIMATED_SCROLL_GAP) { 7607 mScroller.startScroll(mScrollX, mScrollY, dx, dy); 7608 awakenScrollBars(mScroller.getDuration()); 7609 invalidate(); 7610 } else { 7611 if (!mScroller.isFinished()) { 7612 mScroller.abortAnimation(); 7613 } 7614 7615 scrollBy(dx, dy); 7616 } 7617 7618 mLastScroll = AnimationUtils.currentAnimationTimeMillis(); 7619 } 7620 7621 changed = true; 7622 } 7623 7624 if (isFocused()) { 7625 // This offsets because getInterestingRect() is in terms of viewport coordinates, but 7626 // requestRectangleOnScreen() is in terms of content coordinates. 7627 7628 // The offsets here are to ensure the rectangle we are using is 7629 // within our view bounds, in case the cursor is on the far left 7630 // or right. If it isn't withing the bounds, then this request 7631 // will be ignored. 7632 if (mTempRect == null) mTempRect = new Rect(); 7633 mTempRect.set(x - 2, top, x + 2, bottom); 7634 getInterestingRect(mTempRect, line); 7635 mTempRect.offset(mScrollX, mScrollY); 7636 7637 if (requestRectangleOnScreen(mTempRect)) { 7638 changed = true; 7639 } 7640 } 7641 7642 return changed; 7643 } 7644 7645 /** 7646 * Move the cursor, if needed, so that it is at an offset that is visible 7647 * to the user. This will not move the cursor if it represents more than 7648 * one character (a selection range). This will only work if the 7649 * TextView contains spannable text; otherwise it will do nothing. 7650 * 7651 * @return True if the cursor was actually moved, false otherwise. 7652 */ 7653 public boolean moveCursorToVisibleOffset() { 7654 if (!(mText instanceof Spannable)) { 7655 return false; 7656 } 7657 int start = getSelectionStart(); 7658 int end = getSelectionEnd(); 7659 if (start != end) { 7660 return false; 7661 } 7662 7663 // First: make sure the line is visible on screen: 7664 7665 int line = mLayout.getLineForOffset(start); 7666 7667 final int top = mLayout.getLineTop(line); 7668 final int bottom = mLayout.getLineTop(line + 1); 7669 final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7670 int vslack = (bottom - top) / 2; 7671 if (vslack > vspace / 4) 7672 vslack = vspace / 4; 7673 final int vs = mScrollY; 7674 7675 if (top < (vs+vslack)) { 7676 line = mLayout.getLineForVertical(vs+vslack+(bottom-top)); 7677 } else if (bottom > (vspace+vs-vslack)) { 7678 line = mLayout.getLineForVertical(vspace+vs-vslack-(bottom-top)); 7679 } 7680 7681 // Next: make sure the character is visible on screen: 7682 7683 final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7684 final int hs = mScrollX; 7685 final int leftChar = mLayout.getOffsetForHorizontal(line, hs); 7686 final int rightChar = mLayout.getOffsetForHorizontal(line, hspace+hs); 7687 7688 // line might contain bidirectional text 7689 final int lowChar = leftChar < rightChar ? leftChar : rightChar; 7690 final int highChar = leftChar > rightChar ? leftChar : rightChar; 7691 7692 int newStart = start; 7693 if (newStart < lowChar) { 7694 newStart = lowChar; 7695 } else if (newStart > highChar) { 7696 newStart = highChar; 7697 } 7698 7699 if (newStart != start) { 7700 Selection.setSelection((Spannable)mText, newStart); 7701 return true; 7702 } 7703 7704 return false; 7705 } 7706 7707 @Override 7708 public void computeScroll() { 7709 if (mScroller != null) { 7710 if (mScroller.computeScrollOffset()) { 7711 mScrollX = mScroller.getCurrX(); 7712 mScrollY = mScroller.getCurrY(); 7713 invalidateParentCaches(); 7714 postInvalidate(); // So we draw again 7715 } 7716 } 7717 } 7718 7719 private void getInterestingRect(Rect r, int line) { 7720 convertFromViewportToContentCoordinates(r); 7721 7722 // Rectangle can can be expanded on first and last line to take 7723 // padding into account. 7724 // TODO Take left/right padding into account too? 7725 if (line == 0) r.top -= getExtendedPaddingTop(); 7726 if (line == mLayout.getLineCount() - 1) r.bottom += getExtendedPaddingBottom(); 7727 } 7728 7729 private void convertFromViewportToContentCoordinates(Rect r) { 7730 final int horizontalOffset = viewportToContentHorizontalOffset(); 7731 r.left += horizontalOffset; 7732 r.right += horizontalOffset; 7733 7734 final int verticalOffset = viewportToContentVerticalOffset(); 7735 r.top += verticalOffset; 7736 r.bottom += verticalOffset; 7737 } 7738 7739 int viewportToContentHorizontalOffset() { 7740 return getCompoundPaddingLeft() - mScrollX; 7741 } 7742 7743 int viewportToContentVerticalOffset() { 7744 int offset = getExtendedPaddingTop() - mScrollY; 7745 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 7746 offset += getVerticalOffset(false); 7747 } 7748 return offset; 7749 } 7750 7751 @Override 7752 public void debug(int depth) { 7753 super.debug(depth); 7754 7755 String output = debugIndent(depth); 7756 output += "frame={" + mLeft + ", " + mTop + ", " + mRight 7757 + ", " + mBottom + "} scroll={" + mScrollX + ", " + mScrollY 7758 + "} "; 7759 7760 if (mText != null) { 7761 7762 output += "mText=\"" + mText + "\" "; 7763 if (mLayout != null) { 7764 output += "mLayout width=" + mLayout.getWidth() 7765 + " height=" + mLayout.getHeight(); 7766 } 7767 } else { 7768 output += "mText=NULL"; 7769 } 7770 Log.d(VIEW_LOG_TAG, output); 7771 } 7772 7773 /** 7774 * Convenience for {@link Selection#getSelectionStart}. 7775 */ 7776 @ViewDebug.ExportedProperty(category = "text") 7777 public int getSelectionStart() { 7778 return Selection.getSelectionStart(getText()); 7779 } 7780 7781 /** 7782 * Convenience for {@link Selection#getSelectionEnd}. 7783 */ 7784 @ViewDebug.ExportedProperty(category = "text") 7785 public int getSelectionEnd() { 7786 return Selection.getSelectionEnd(getText()); 7787 } 7788 7789 /** 7790 * Return true iff there is a selection inside this text view. 7791 */ 7792 public boolean hasSelection() { 7793 final int selectionStart = getSelectionStart(); 7794 final int selectionEnd = getSelectionEnd(); 7795 7796 return selectionStart >= 0 && selectionStart != selectionEnd; 7797 } 7798 7799 String getSelectedText() { 7800 if (!hasSelection()) { 7801 return null; 7802 } 7803 7804 final int start = getSelectionStart(); 7805 final int end = getSelectionEnd(); 7806 return String.valueOf( 7807 start > end ? mText.subSequence(end, start) : mText.subSequence(start, end)); 7808 } 7809 7810 /** 7811 * Sets the properties of this field (lines, horizontally scrolling, 7812 * transformation method) to be for a single-line input. 7813 * 7814 * @attr ref android.R.styleable#TextView_singleLine 7815 */ 7816 public void setSingleLine() { 7817 setSingleLine(true); 7818 } 7819 7820 /** 7821 * Sets the properties of this field to transform input to ALL CAPS 7822 * display. This may use a "small caps" formatting if available. 7823 * This setting will be ignored if this field is editable or selectable. 7824 * 7825 * This call replaces the current transformation method. Disabling this 7826 * will not necessarily restore the previous behavior from before this 7827 * was enabled. 7828 * 7829 * @see #setTransformationMethod(TransformationMethod) 7830 * @attr ref android.R.styleable#TextView_textAllCaps 7831 */ 7832 public void setAllCaps(boolean allCaps) { 7833 if (allCaps) { 7834 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 7835 } else { 7836 setTransformationMethod(null); 7837 } 7838 } 7839 7840 /** 7841 * If true, sets the properties of this field (number of lines, horizontally scrolling, 7842 * transformation method) to be for a single-line input; if false, restores these to the default 7843 * conditions. 7844 * 7845 * Note that the default conditions are not necessarily those that were in effect prior this 7846 * method, and you may want to reset these properties to your custom values. 7847 * 7848 * @attr ref android.R.styleable#TextView_singleLine 7849 */ 7850 @android.view.RemotableViewMethod 7851 public void setSingleLine(boolean singleLine) { 7852 // Could be used, but may break backward compatibility. 7853 // if (mSingleLine == singleLine) return; 7854 setInputTypeSingleLine(singleLine); 7855 applySingleLine(singleLine, true, true); 7856 } 7857 7858 /** 7859 * Adds or remove the EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE on the mInputType. 7860 * @param singleLine 7861 */ 7862 private void setInputTypeSingleLine(boolean singleLine) { 7863 if (mEditor != null && 7864 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 7865 if (singleLine) { 7866 mEditor.mInputType &= ~EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7867 } else { 7868 mEditor.mInputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7869 } 7870 } 7871 } 7872 7873 private void applySingleLine(boolean singleLine, boolean applyTransformation, 7874 boolean changeMaxLines) { 7875 mSingleLine = singleLine; 7876 if (singleLine) { 7877 setLines(1); 7878 setHorizontallyScrolling(true); 7879 if (applyTransformation) { 7880 setTransformationMethod(SingleLineTransformationMethod.getInstance()); 7881 } 7882 } else { 7883 if (changeMaxLines) { 7884 setMaxLines(Integer.MAX_VALUE); 7885 } 7886 setHorizontallyScrolling(false); 7887 if (applyTransformation) { 7888 setTransformationMethod(null); 7889 } 7890 } 7891 } 7892 7893 /** 7894 * Causes words in the text that are longer than the view's width 7895 * to be ellipsized instead of broken in the middle. You may also 7896 * want to {@link #setSingleLine} or {@link #setHorizontallyScrolling} 7897 * to constrain the text to a single line. Use <code>null</code> 7898 * to turn off ellipsizing. 7899 * 7900 * If {@link #setMaxLines} has been used to set two or more lines, 7901 * only {@link android.text.TextUtils.TruncateAt#END} and 7902 * {@link android.text.TextUtils.TruncateAt#MARQUEE} are supported 7903 * (other ellipsizing types will not do anything). 7904 * 7905 * @attr ref android.R.styleable#TextView_ellipsize 7906 */ 7907 public void setEllipsize(TextUtils.TruncateAt where) { 7908 // TruncateAt is an enum. != comparison is ok between these singleton objects. 7909 if (mEllipsize != where) { 7910 mEllipsize = where; 7911 7912 if (mLayout != null) { 7913 nullLayouts(); 7914 requestLayout(); 7915 invalidate(); 7916 } 7917 } 7918 } 7919 7920 /** 7921 * Sets how many times to repeat the marquee animation. Only applied if the 7922 * TextView has marquee enabled. Set to -1 to repeat indefinitely. 7923 * 7924 * @see #getMarqueeRepeatLimit() 7925 * 7926 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7927 */ 7928 public void setMarqueeRepeatLimit(int marqueeLimit) { 7929 mMarqueeRepeatLimit = marqueeLimit; 7930 } 7931 7932 /** 7933 * Gets the number of times the marquee animation is repeated. Only meaningful if the 7934 * TextView has marquee enabled. 7935 * 7936 * @return the number of times the marquee animation is repeated. -1 if the animation 7937 * repeats indefinitely 7938 * 7939 * @see #setMarqueeRepeatLimit(int) 7940 * 7941 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7942 */ 7943 public int getMarqueeRepeatLimit() { 7944 return mMarqueeRepeatLimit; 7945 } 7946 7947 /** 7948 * Returns where, if anywhere, words that are longer than the view 7949 * is wide should be ellipsized. 7950 */ 7951 @ViewDebug.ExportedProperty 7952 public TextUtils.TruncateAt getEllipsize() { 7953 return mEllipsize; 7954 } 7955 7956 /** 7957 * Set the TextView so that when it takes focus, all the text is 7958 * selected. 7959 * 7960 * @attr ref android.R.styleable#TextView_selectAllOnFocus 7961 */ 7962 @android.view.RemotableViewMethod 7963 public void setSelectAllOnFocus(boolean selectAllOnFocus) { 7964 createEditorIfNeeded(); 7965 mEditor.mSelectAllOnFocus = selectAllOnFocus; 7966 7967 if (selectAllOnFocus && !(mText instanceof Spannable)) { 7968 setText(mText, BufferType.SPANNABLE); 7969 } 7970 } 7971 7972 /** 7973 * Set whether the cursor is visible. The default is true. Note that this property only 7974 * makes sense for editable TextView. 7975 * 7976 * @see #isCursorVisible() 7977 * 7978 * @attr ref android.R.styleable#TextView_cursorVisible 7979 */ 7980 @android.view.RemotableViewMethod 7981 public void setCursorVisible(boolean visible) { 7982 if (visible && mEditor == null) return; // visible is the default value with no edit data 7983 createEditorIfNeeded(); 7984 if (mEditor.mCursorVisible != visible) { 7985 mEditor.mCursorVisible = visible; 7986 invalidate(); 7987 7988 mEditor.makeBlink(); 7989 7990 // InsertionPointCursorController depends on mCursorVisible 7991 mEditor.prepareCursorControllers(); 7992 } 7993 } 7994 7995 /** 7996 * @return whether or not the cursor is visible (assuming this TextView is editable) 7997 * 7998 * @see #setCursorVisible(boolean) 7999 * 8000 * @attr ref android.R.styleable#TextView_cursorVisible 8001 */ 8002 public boolean isCursorVisible() { 8003 // true is the default value 8004 return mEditor == null ? true : mEditor.mCursorVisible; 8005 } 8006 8007 private boolean canMarquee() { 8008 int width = (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight()); 8009 return width > 0 && (mLayout.getLineWidth(0) > width || 8010 (mMarqueeFadeMode != MARQUEE_FADE_NORMAL && mSavedMarqueeModeLayout != null && 8011 mSavedMarqueeModeLayout.getLineWidth(0) > width)); 8012 } 8013 8014 private void startMarquee() { 8015 // Do not ellipsize EditText 8016 if (getKeyListener() != null) return; 8017 8018 if (compressText(getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight())) { 8019 return; 8020 } 8021 8022 if ((mMarquee == null || mMarquee.isStopped()) && (isFocused() || isSelected()) && 8023 getLineCount() == 1 && canMarquee()) { 8024 8025 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 8026 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_FADE; 8027 final Layout tmp = mLayout; 8028 mLayout = mSavedMarqueeModeLayout; 8029 mSavedMarqueeModeLayout = tmp; 8030 setHorizontalFadingEdgeEnabled(true); 8031 requestLayout(); 8032 invalidate(); 8033 } 8034 8035 if (mMarquee == null) mMarquee = new Marquee(this); 8036 mMarquee.start(mMarqueeRepeatLimit); 8037 } 8038 } 8039 8040 private void stopMarquee() { 8041 if (mMarquee != null && !mMarquee.isStopped()) { 8042 mMarquee.stop(); 8043 } 8044 8045 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_FADE) { 8046 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 8047 final Layout tmp = mSavedMarqueeModeLayout; 8048 mSavedMarqueeModeLayout = mLayout; 8049 mLayout = tmp; 8050 setHorizontalFadingEdgeEnabled(false); 8051 requestLayout(); 8052 invalidate(); 8053 } 8054 } 8055 8056 private void startStopMarquee(boolean start) { 8057 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 8058 if (start) { 8059 startMarquee(); 8060 } else { 8061 stopMarquee(); 8062 } 8063 } 8064 } 8065 8066 /** 8067 * This method is called when the text is changed, in case any subclasses 8068 * would like to know. 8069 * 8070 * Within <code>text</code>, the <code>lengthAfter</code> characters 8071 * beginning at <code>start</code> have just replaced old text that had 8072 * length <code>lengthBefore</code>. It is an error to attempt to make 8073 * changes to <code>text</code> from this callback. 8074 * 8075 * @param text The text the TextView is displaying 8076 * @param start The offset of the start of the range of the text that was 8077 * modified 8078 * @param lengthBefore The length of the former text that has been replaced 8079 * @param lengthAfter The length of the replacement modified text 8080 */ 8081 protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 8082 // intentionally empty, template pattern method can be overridden by subclasses 8083 } 8084 8085 /** 8086 * This method is called when the selection has changed, in case any 8087 * subclasses would like to know. 8088 * 8089 * @param selStart The new selection start location. 8090 * @param selEnd The new selection end location. 8091 */ 8092 protected void onSelectionChanged(int selStart, int selEnd) { 8093 sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED); 8094 } 8095 8096 /** 8097 * Adds a TextWatcher to the list of those whose methods are called 8098 * whenever this TextView's text changes. 8099 * <p> 8100 * In 1.0, the {@link TextWatcher#afterTextChanged} method was erroneously 8101 * not called after {@link #setText} calls. Now, doing {@link #setText} 8102 * if there are any text changed listeners forces the buffer type to 8103 * Editable if it would not otherwise be and does call this method. 8104 */ 8105 public void addTextChangedListener(TextWatcher watcher) { 8106 if (mListeners == null) { 8107 mListeners = new ArrayList<TextWatcher>(); 8108 } 8109 8110 mListeners.add(watcher); 8111 } 8112 8113 /** 8114 * Removes the specified TextWatcher from the list of those whose 8115 * methods are called 8116 * whenever this TextView's text changes. 8117 */ 8118 public void removeTextChangedListener(TextWatcher watcher) { 8119 if (mListeners != null) { 8120 int i = mListeners.indexOf(watcher); 8121 8122 if (i >= 0) { 8123 mListeners.remove(i); 8124 } 8125 } 8126 } 8127 8128 private void sendBeforeTextChanged(CharSequence text, int start, int before, int after) { 8129 if (mListeners != null) { 8130 final ArrayList<TextWatcher> list = mListeners; 8131 final int count = list.size(); 8132 for (int i = 0; i < count; i++) { 8133 list.get(i).beforeTextChanged(text, start, before, after); 8134 } 8135 } 8136 8137 // The spans that are inside or intersect the modified region no longer make sense 8138 removeIntersectingNonAdjacentSpans(start, start + before, SpellCheckSpan.class); 8139 removeIntersectingNonAdjacentSpans(start, start + before, SuggestionSpan.class); 8140 } 8141 8142 // Removes all spans that are inside or actually overlap the start..end range 8143 private <T> void removeIntersectingNonAdjacentSpans(int start, int end, Class<T> type) { 8144 if (!(mText instanceof Editable)) return; 8145 Editable text = (Editable) mText; 8146 8147 T[] spans = text.getSpans(start, end, type); 8148 final int length = spans.length; 8149 for (int i = 0; i < length; i++) { 8150 final int spanStart = text.getSpanStart(spans[i]); 8151 final int spanEnd = text.getSpanEnd(spans[i]); 8152 if (spanEnd == start || spanStart == end) break; 8153 text.removeSpan(spans[i]); 8154 } 8155 } 8156 8157 void removeAdjacentSuggestionSpans(final int pos) { 8158 if (!(mText instanceof Editable)) return; 8159 final Editable text = (Editable) mText; 8160 8161 final SuggestionSpan[] spans = text.getSpans(pos, pos, SuggestionSpan.class); 8162 final int length = spans.length; 8163 for (int i = 0; i < length; i++) { 8164 final int spanStart = text.getSpanStart(spans[i]); 8165 final int spanEnd = text.getSpanEnd(spans[i]); 8166 if (spanEnd == pos || spanStart == pos) { 8167 if (SpellChecker.haveWordBoundariesChanged(text, pos, pos, spanStart, spanEnd)) { 8168 text.removeSpan(spans[i]); 8169 } 8170 } 8171 } 8172 } 8173 8174 /** 8175 * Not private so it can be called from an inner class without going 8176 * through a thunk. 8177 */ 8178 void sendOnTextChanged(CharSequence text, int start, int before, int after) { 8179 if (mListeners != null) { 8180 final ArrayList<TextWatcher> list = mListeners; 8181 final int count = list.size(); 8182 for (int i = 0; i < count; i++) { 8183 list.get(i).onTextChanged(text, start, before, after); 8184 } 8185 } 8186 8187 if (mEditor != null) mEditor.sendOnTextChanged(start, after); 8188 } 8189 8190 /** 8191 * Not private so it can be called from an inner class without going 8192 * through a thunk. 8193 */ 8194 void sendAfterTextChanged(Editable text) { 8195 if (mListeners != null) { 8196 final ArrayList<TextWatcher> list = mListeners; 8197 final int count = list.size(); 8198 for (int i = 0; i < count; i++) { 8199 list.get(i).afterTextChanged(text); 8200 } 8201 } 8202 hideErrorIfUnchanged(); 8203 } 8204 8205 void updateAfterEdit() { 8206 invalidate(); 8207 int curs = getSelectionStart(); 8208 8209 if (curs >= 0 || (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 8210 registerForPreDraw(); 8211 } 8212 8213 checkForResize(); 8214 8215 if (curs >= 0) { 8216 mHighlightPathBogus = true; 8217 if (mEditor != null) mEditor.makeBlink(); 8218 bringPointIntoView(curs); 8219 } 8220 } 8221 8222 /** 8223 * Not private so it can be called from an inner class without going 8224 * through a thunk. 8225 */ 8226 void handleTextChanged(CharSequence buffer, int start, int before, int after) { 8227 sLastCutCopyOrTextChangedTime = 0; 8228 8229 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 8230 if (ims == null || ims.mBatchEditNesting == 0) { 8231 updateAfterEdit(); 8232 } 8233 if (ims != null) { 8234 ims.mContentChanged = true; 8235 if (ims.mChangedStart < 0) { 8236 ims.mChangedStart = start; 8237 ims.mChangedEnd = start+before; 8238 } else { 8239 ims.mChangedStart = Math.min(ims.mChangedStart, start); 8240 ims.mChangedEnd = Math.max(ims.mChangedEnd, start + before - ims.mChangedDelta); 8241 } 8242 ims.mChangedDelta += after-before; 8243 } 8244 resetErrorChangedFlag(); 8245 sendOnTextChanged(buffer, start, before, after); 8246 onTextChanged(buffer, start, before, after); 8247 } 8248 8249 /** 8250 * Not private so it can be called from an inner class without going 8251 * through a thunk. 8252 */ 8253 void spanChange(Spanned buf, Object what, int oldStart, int newStart, int oldEnd, int newEnd) { 8254 // XXX Make the start and end move together if this ends up 8255 // spending too much time invalidating. 8256 8257 boolean selChanged = false; 8258 int newSelStart=-1, newSelEnd=-1; 8259 8260 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 8261 8262 if (what == Selection.SELECTION_END) { 8263 selChanged = true; 8264 newSelEnd = newStart; 8265 8266 if (oldStart >= 0 || newStart >= 0) { 8267 invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart); 8268 checkForResize(); 8269 registerForPreDraw(); 8270 if (mEditor != null) mEditor.makeBlink(); 8271 } 8272 } 8273 8274 if (what == Selection.SELECTION_START) { 8275 selChanged = true; 8276 newSelStart = newStart; 8277 8278 if (oldStart >= 0 || newStart >= 0) { 8279 int end = Selection.getSelectionEnd(buf); 8280 invalidateCursor(end, oldStart, newStart); 8281 } 8282 } 8283 8284 if (selChanged) { 8285 mHighlightPathBogus = true; 8286 if (mEditor != null && !isFocused()) mEditor.mSelectionMoved = true; 8287 8288 if ((buf.getSpanFlags(what)&Spanned.SPAN_INTERMEDIATE) == 0) { 8289 if (newSelStart < 0) { 8290 newSelStart = Selection.getSelectionStart(buf); 8291 } 8292 if (newSelEnd < 0) { 8293 newSelEnd = Selection.getSelectionEnd(buf); 8294 } 8295 8296 if (mEditor != null) { 8297 mEditor.refreshTextActionMode(); 8298 if (!hasSelection() && mEditor.mTextActionMode == null && hasTransientState()) { 8299 // User generated selection has been removed. 8300 setHasTransientState(false); 8301 } 8302 } 8303 onSelectionChanged(newSelStart, newSelEnd); 8304 } 8305 } 8306 8307 if (what instanceof UpdateAppearance || what instanceof ParagraphStyle || 8308 what instanceof CharacterStyle) { 8309 if (ims == null || ims.mBatchEditNesting == 0) { 8310 invalidate(); 8311 mHighlightPathBogus = true; 8312 checkForResize(); 8313 } else { 8314 ims.mContentChanged = true; 8315 } 8316 if (mEditor != null) { 8317 if (oldStart >= 0) mEditor.invalidateTextDisplayList(mLayout, oldStart, oldEnd); 8318 if (newStart >= 0) mEditor.invalidateTextDisplayList(mLayout, newStart, newEnd); 8319 mEditor.invalidateHandlesAndActionMode(); 8320 } 8321 } 8322 8323 if (MetaKeyKeyListener.isMetaTracker(buf, what)) { 8324 mHighlightPathBogus = true; 8325 if (ims != null && MetaKeyKeyListener.isSelectingMetaTracker(buf, what)) { 8326 ims.mSelectionModeChanged = true; 8327 } 8328 8329 if (Selection.getSelectionStart(buf) >= 0) { 8330 if (ims == null || ims.mBatchEditNesting == 0) { 8331 invalidateCursor(); 8332 } else { 8333 ims.mCursorChanged = true; 8334 } 8335 } 8336 } 8337 8338 if (what instanceof ParcelableSpan) { 8339 // If this is a span that can be sent to a remote process, 8340 // the current extract editor would be interested in it. 8341 if (ims != null && ims.mExtractedTextRequest != null) { 8342 if (ims.mBatchEditNesting != 0) { 8343 if (oldStart >= 0) { 8344 if (ims.mChangedStart > oldStart) { 8345 ims.mChangedStart = oldStart; 8346 } 8347 if (ims.mChangedStart > oldEnd) { 8348 ims.mChangedStart = oldEnd; 8349 } 8350 } 8351 if (newStart >= 0) { 8352 if (ims.mChangedStart > newStart) { 8353 ims.mChangedStart = newStart; 8354 } 8355 if (ims.mChangedStart > newEnd) { 8356 ims.mChangedStart = newEnd; 8357 } 8358 } 8359 } else { 8360 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "Span change outside of batch: " 8361 + oldStart + "-" + oldEnd + "," 8362 + newStart + "-" + newEnd + " " + what); 8363 ims.mContentChanged = true; 8364 } 8365 } 8366 } 8367 8368 if (mEditor != null && mEditor.mSpellChecker != null && newStart < 0 && 8369 what instanceof SpellCheckSpan) { 8370 mEditor.mSpellChecker.onSpellCheckSpanRemoved((SpellCheckSpan) what); 8371 } 8372 } 8373 8374 @Override 8375 protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 8376 if (isTemporarilyDetached()) { 8377 // If we are temporarily in the detach state, then do nothing. 8378 super.onFocusChanged(focused, direction, previouslyFocusedRect); 8379 return; 8380 } 8381 8382 if (mEditor != null) mEditor.onFocusChanged(focused, direction); 8383 8384 if (focused) { 8385 if (mText instanceof Spannable) { 8386 Spannable sp = (Spannable) mText; 8387 MetaKeyKeyListener.resetMetaState(sp); 8388 } 8389 } 8390 8391 startStopMarquee(focused); 8392 8393 if (mTransformation != null) { 8394 mTransformation.onFocusChanged(this, mText, focused, direction, previouslyFocusedRect); 8395 } 8396 8397 super.onFocusChanged(focused, direction, previouslyFocusedRect); 8398 } 8399 8400 @Override 8401 public void onWindowFocusChanged(boolean hasWindowFocus) { 8402 super.onWindowFocusChanged(hasWindowFocus); 8403 8404 if (mEditor != null) mEditor.onWindowFocusChanged(hasWindowFocus); 8405 8406 startStopMarquee(hasWindowFocus); 8407 } 8408 8409 @Override 8410 protected void onVisibilityChanged(View changedView, int visibility) { 8411 super.onVisibilityChanged(changedView, visibility); 8412 if (mEditor != null && visibility != VISIBLE) { 8413 mEditor.hideCursorAndSpanControllers(); 8414 stopTextActionMode(); 8415 } 8416 } 8417 8418 /** 8419 * Use {@link BaseInputConnection#removeComposingSpans 8420 * BaseInputConnection.removeComposingSpans()} to remove any IME composing 8421 * state from this text view. 8422 */ 8423 public void clearComposingText() { 8424 if (mText instanceof Spannable) { 8425 BaseInputConnection.removeComposingSpans((Spannable)mText); 8426 } 8427 } 8428 8429 @Override 8430 public void setSelected(boolean selected) { 8431 boolean wasSelected = isSelected(); 8432 8433 super.setSelected(selected); 8434 8435 if (selected != wasSelected && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 8436 if (selected) { 8437 startMarquee(); 8438 } else { 8439 stopMarquee(); 8440 } 8441 } 8442 } 8443 8444 @Override 8445 public boolean onTouchEvent(MotionEvent event) { 8446 final int action = event.getActionMasked(); 8447 if (mEditor != null) { 8448 mEditor.onTouchEvent(event); 8449 8450 if (mEditor.mSelectionModifierCursorController != null && 8451 mEditor.mSelectionModifierCursorController.isDragAcceleratorActive()) { 8452 return true; 8453 } 8454 } 8455 8456 final boolean superResult = super.onTouchEvent(event); 8457 8458 /* 8459 * Don't handle the release after a long press, because it will move the selection away from 8460 * whatever the menu action was trying to affect. If the long press should have triggered an 8461 * insertion action mode, we can now actually show it. 8462 */ 8463 if (mEditor != null && mEditor.mDiscardNextActionUp && action == MotionEvent.ACTION_UP) { 8464 mEditor.mDiscardNextActionUp = false; 8465 8466 if (mEditor.mIsInsertionActionModeStartPending) { 8467 mEditor.startInsertionActionMode(); 8468 mEditor.mIsInsertionActionModeStartPending = false; 8469 } 8470 return superResult; 8471 } 8472 8473 final boolean touchIsFinished = (action == MotionEvent.ACTION_UP) && 8474 (mEditor == null || !mEditor.mIgnoreActionUpEvent) && isFocused(); 8475 8476 if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() 8477 && mText instanceof Spannable && mLayout != null) { 8478 boolean handled = false; 8479 8480 if (mMovement != null) { 8481 handled |= mMovement.onTouchEvent(this, (Spannable) mText, event); 8482 } 8483 8484 final boolean textIsSelectable = isTextSelectable(); 8485 if (touchIsFinished && mLinksClickable && mAutoLinkMask != 0 && textIsSelectable) { 8486 // The LinkMovementMethod which should handle taps on links has not been installed 8487 // on non editable text that support text selection. 8488 // We reproduce its behavior here to open links for these. 8489 ClickableSpan[] links = ((Spannable) mText).getSpans(getSelectionStart(), 8490 getSelectionEnd(), ClickableSpan.class); 8491 8492 if (links.length > 0) { 8493 links[0].onClick(this); 8494 handled = true; 8495 } 8496 } 8497 8498 if (touchIsFinished && (isTextEditable() || textIsSelectable)) { 8499 // Show the IME, except when selecting in read-only text. 8500 final InputMethodManager imm = InputMethodManager.peekInstance(); 8501 viewClicked(imm); 8502 if (!textIsSelectable && mEditor.mShowSoftInputOnFocus) { 8503 handled |= imm != null && imm.showSoftInput(this, 0); 8504 } 8505 8506 // The above condition ensures that the mEditor is not null 8507 mEditor.onTouchUpEvent(event); 8508 8509 handled = true; 8510 } 8511 8512 if (handled) { 8513 return true; 8514 } 8515 } 8516 8517 return superResult; 8518 } 8519 8520 @Override 8521 public boolean onGenericMotionEvent(MotionEvent event) { 8522 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 8523 try { 8524 if (mMovement.onGenericMotionEvent(this, (Spannable) mText, event)) { 8525 return true; 8526 } 8527 } catch (AbstractMethodError ex) { 8528 // onGenericMotionEvent was added to the MovementMethod interface in API 12. 8529 // Ignore its absence in case third party applications implemented the 8530 // interface directly. 8531 } 8532 } 8533 return super.onGenericMotionEvent(event); 8534 } 8535 8536 @Override 8537 protected void onCreateContextMenu(ContextMenu menu) { 8538 if (mEditor != null) { 8539 mEditor.onCreateContextMenu(menu); 8540 } 8541 } 8542 8543 @Override 8544 public boolean showContextMenu() { 8545 if (mEditor != null) { 8546 mEditor.setContextMenuAnchor(Float.NaN, Float.NaN); 8547 } 8548 return super.showContextMenu(); 8549 } 8550 8551 @Override 8552 public boolean showContextMenu(float x, float y) { 8553 if (mEditor != null) { 8554 mEditor.setContextMenuAnchor(x, y); 8555 } 8556 return super.showContextMenu(x, y); 8557 } 8558 8559 /** 8560 * @return True iff this TextView contains a text that can be edited, or if this is 8561 * a selectable TextView. 8562 */ 8563 boolean isTextEditable() { 8564 return mText instanceof Editable && onCheckIsTextEditor() && isEnabled(); 8565 } 8566 8567 /** 8568 * Returns true, only while processing a touch gesture, if the initial 8569 * touch down event caused focus to move to the text view and as a result 8570 * its selection changed. Only valid while processing the touch gesture 8571 * of interest, in an editable text view. 8572 */ 8573 public boolean didTouchFocusSelect() { 8574 return mEditor != null && mEditor.mTouchFocusSelected; 8575 } 8576 8577 @Override 8578 public void cancelLongPress() { 8579 super.cancelLongPress(); 8580 if (mEditor != null) mEditor.mIgnoreActionUpEvent = true; 8581 } 8582 8583 @Override 8584 public boolean onTrackballEvent(MotionEvent event) { 8585 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 8586 if (mMovement.onTrackballEvent(this, (Spannable) mText, event)) { 8587 return true; 8588 } 8589 } 8590 8591 return super.onTrackballEvent(event); 8592 } 8593 8594 public void setScroller(Scroller s) { 8595 mScroller = s; 8596 } 8597 8598 @Override 8599 protected float getLeftFadingEdgeStrength() { 8600 if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) { 8601 final Marquee marquee = mMarquee; 8602 if (marquee.shouldDrawLeftFade()) { 8603 return getHorizontalFadingEdgeStrength(marquee.getScroll(), 0.0f); 8604 } else { 8605 return 0.0f; 8606 } 8607 } else if (getLineCount() == 1) { 8608 final float lineLeft = getLayout().getLineLeft(0); 8609 if(lineLeft > mScrollX) return 0.0f; 8610 return getHorizontalFadingEdgeStrength(mScrollX, lineLeft); 8611 } 8612 return super.getLeftFadingEdgeStrength(); 8613 } 8614 8615 @Override 8616 protected float getRightFadingEdgeStrength() { 8617 if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) { 8618 final Marquee marquee = mMarquee; 8619 return getHorizontalFadingEdgeStrength(marquee.getMaxFadeScroll(), marquee.getScroll()); 8620 } else if (getLineCount() == 1) { 8621 final float rightEdge = mScrollX + (getWidth() - getCompoundPaddingLeft() - 8622 getCompoundPaddingRight()); 8623 final float lineRight = getLayout().getLineRight(0); 8624 if(lineRight < rightEdge) return 0.0f; 8625 return getHorizontalFadingEdgeStrength(rightEdge, lineRight); 8626 } 8627 return super.getRightFadingEdgeStrength(); 8628 } 8629 8630 /** 8631 * Calculates the fading edge strength as the ratio of the distance between two 8632 * horizontal positions to {@link View#getHorizontalFadingEdgeLength()}. Uses the absolute 8633 * value for the distance calculation. 8634 * 8635 * @param position1 A horizontal position. 8636 * @param position2 A horizontal position. 8637 * @return Fading edge strength between [0.0f, 1.0f]. 8638 */ 8639 @FloatRange(from=0.0, to=1.0) 8640 private final float getHorizontalFadingEdgeStrength(float position1, float position2) { 8641 final int horizontalFadingEdgeLength = getHorizontalFadingEdgeLength(); 8642 if(horizontalFadingEdgeLength == 0) return 0.0f; 8643 final float diff = Math.abs(position1 - position2); 8644 if(diff > horizontalFadingEdgeLength) return 1.0f; 8645 return diff / horizontalFadingEdgeLength; 8646 } 8647 8648 private final boolean isMarqueeFadeEnabled() { 8649 return mEllipsize == TextUtils.TruncateAt.MARQUEE && 8650 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 8651 } 8652 8653 @Override 8654 protected int computeHorizontalScrollRange() { 8655 if (mLayout != null) { 8656 return mSingleLine && (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.LEFT ? 8657 (int) mLayout.getLineWidth(0) : mLayout.getWidth(); 8658 } 8659 8660 return super.computeHorizontalScrollRange(); 8661 } 8662 8663 @Override 8664 protected int computeVerticalScrollRange() { 8665 if (mLayout != null) 8666 return mLayout.getHeight(); 8667 8668 return super.computeVerticalScrollRange(); 8669 } 8670 8671 @Override 8672 protected int computeVerticalScrollExtent() { 8673 return getHeight() - getCompoundPaddingTop() - getCompoundPaddingBottom(); 8674 } 8675 8676 @Override 8677 public void findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags) { 8678 super.findViewsWithText(outViews, searched, flags); 8679 if (!outViews.contains(this) && (flags & FIND_VIEWS_WITH_TEXT) != 0 8680 && !TextUtils.isEmpty(searched) && !TextUtils.isEmpty(mText)) { 8681 String searchedLowerCase = searched.toString().toLowerCase(); 8682 String textLowerCase = mText.toString().toLowerCase(); 8683 if (textLowerCase.contains(searchedLowerCase)) { 8684 outViews.add(this); 8685 } 8686 } 8687 } 8688 8689 public enum BufferType { 8690 NORMAL, SPANNABLE, EDITABLE, 8691 } 8692 8693 /** 8694 * Returns the TextView_textColor attribute from the TypedArray, if set, or 8695 * the TextAppearance_textColor from the TextView_textAppearance attribute, 8696 * if TextView_textColor was not set directly. 8697 * 8698 * @removed 8699 */ 8700 public static ColorStateList getTextColors(Context context, TypedArray attrs) { 8701 if (attrs == null) { 8702 // Preserve behavior prior to removal of this API. 8703 throw new NullPointerException(); 8704 } 8705 8706 // It's not safe to use this method from apps. The parameter 'attrs' 8707 // must have been obtained using the TextView filter array which is not 8708 // available to the SDK. As such, we grab a default TypedArray with the 8709 // right filter instead here. 8710 final TypedArray a = context.obtainStyledAttributes(R.styleable.TextView); 8711 ColorStateList colors = a.getColorStateList(R.styleable.TextView_textColor); 8712 if (colors == null) { 8713 final int ap = a.getResourceId(R.styleable.TextView_textAppearance, 0); 8714 if (ap != 0) { 8715 final TypedArray appearance = context.obtainStyledAttributes( 8716 ap, R.styleable.TextAppearance); 8717 colors = appearance.getColorStateList(R.styleable.TextAppearance_textColor); 8718 appearance.recycle(); 8719 } 8720 } 8721 a.recycle(); 8722 8723 return colors; 8724 } 8725 8726 /** 8727 * Returns the default color from the TextView_textColor attribute from the 8728 * AttributeSet, if set, or the default color from the 8729 * TextAppearance_textColor from the TextView_textAppearance attribute, if 8730 * TextView_textColor was not set directly. 8731 * 8732 * @removed 8733 */ 8734 public static int getTextColor(Context context, TypedArray attrs, int def) { 8735 final ColorStateList colors = getTextColors(context, attrs); 8736 if (colors == null) { 8737 return def; 8738 } else { 8739 return colors.getDefaultColor(); 8740 } 8741 } 8742 8743 @Override 8744 public boolean onKeyShortcut(int keyCode, KeyEvent event) { 8745 if (event.hasModifiers(KeyEvent.META_CTRL_ON)) { 8746 // Handle Ctrl-only shortcuts. 8747 switch (keyCode) { 8748 case KeyEvent.KEYCODE_A: 8749 if (canSelectText()) { 8750 return onTextContextMenuItem(ID_SELECT_ALL); 8751 } 8752 break; 8753 case KeyEvent.KEYCODE_Z: 8754 if (canUndo()) { 8755 return onTextContextMenuItem(ID_UNDO); 8756 } 8757 break; 8758 case KeyEvent.KEYCODE_X: 8759 if (canCut()) { 8760 return onTextContextMenuItem(ID_CUT); 8761 } 8762 break; 8763 case KeyEvent.KEYCODE_C: 8764 if (canCopy()) { 8765 return onTextContextMenuItem(ID_COPY); 8766 } 8767 break; 8768 case KeyEvent.KEYCODE_V: 8769 if (canPaste()) { 8770 return onTextContextMenuItem(ID_PASTE); 8771 } 8772 break; 8773 } 8774 } else if (event.hasModifiers(KeyEvent.META_CTRL_ON | KeyEvent.META_SHIFT_ON)) { 8775 // Handle Ctrl-Shift shortcuts. 8776 switch (keyCode) { 8777 case KeyEvent.KEYCODE_Z: 8778 if (canRedo()) { 8779 return onTextContextMenuItem(ID_REDO); 8780 } 8781 break; 8782 case KeyEvent.KEYCODE_V: 8783 if (canPaste()) { 8784 return onTextContextMenuItem(ID_PASTE_AS_PLAIN_TEXT); 8785 } 8786 } 8787 } 8788 return super.onKeyShortcut(keyCode, event); 8789 } 8790 8791 /** 8792 * Unlike {@link #textCanBeSelected()}, this method is based on the <i>current</i> state of the 8793 * TextView. {@link #textCanBeSelected()} has to be true (this is one of the conditions to have 8794 * a selection controller (see {@link Editor#prepareCursorControllers()}), but this is not 8795 * sufficient. 8796 */ 8797 boolean canSelectText() { 8798 return mText.length() != 0 && mEditor != null && mEditor.hasSelectionController(); 8799 } 8800 8801 /** 8802 * Test based on the <i>intrinsic</i> charateristics of the TextView. 8803 * The text must be spannable and the movement method must allow for arbitary selection. 8804 * 8805 * See also {@link #canSelectText()}. 8806 */ 8807 boolean textCanBeSelected() { 8808 // prepareCursorController() relies on this method. 8809 // If you change this condition, make sure prepareCursorController is called anywhere 8810 // the value of this condition might be changed. 8811 if (mMovement == null || !mMovement.canSelectArbitrarily()) return false; 8812 return isTextEditable() || 8813 (isTextSelectable() && mText instanceof Spannable && isEnabled()); 8814 } 8815 8816 private Locale getTextServicesLocale(boolean allowNullLocale) { 8817 // Start fetching the text services locale asynchronously. 8818 updateTextServicesLocaleAsync(); 8819 // If !allowNullLocale and there is no cached text services locale, just return the default 8820 // locale. 8821 return (mCurrentSpellCheckerLocaleCache == null && !allowNullLocale) ? Locale.getDefault() 8822 : mCurrentSpellCheckerLocaleCache; 8823 } 8824 8825 /** 8826 * This is a temporary method. Future versions may support multi-locale text. 8827 * Caveat: This method may not return the latest text services locale, but this should be 8828 * acceptable and it's more important to make this method asynchronous. 8829 * 8830 * @return The locale that should be used for a word iterator 8831 * in this TextView, based on the current spell checker settings, 8832 * the current IME's locale, or the system default locale. 8833 * Please note that a word iterator in this TextView is different from another word iterator 8834 * used by SpellChecker.java of TextView. This method should be used for the former. 8835 * @hide 8836 */ 8837 // TODO: Support multi-locale 8838 // TODO: Update the text services locale immediately after the keyboard locale is switched 8839 // by catching intent of keyboard switch event 8840 public Locale getTextServicesLocale() { 8841 return getTextServicesLocale(false /* allowNullLocale */); 8842 } 8843 8844 /** 8845 * @return true if this TextView is specialized for showing and interacting with the extracted 8846 * text in a full-screen input method. 8847 * @hide 8848 */ 8849 public boolean isInExtractedMode() { 8850 return false; 8851 } 8852 8853 /** 8854 * This is a temporary method. Future versions may support multi-locale text. 8855 * Caveat: This method may not return the latest spell checker locale, but this should be 8856 * acceptable and it's more important to make this method asynchronous. 8857 * 8858 * @return The locale that should be used for a spell checker in this TextView, 8859 * based on the current spell checker settings, the current IME's locale, or the system default 8860 * locale. 8861 * @hide 8862 */ 8863 public Locale getSpellCheckerLocale() { 8864 return getTextServicesLocale(true /* allowNullLocale */); 8865 } 8866 8867 private void updateTextServicesLocaleAsync() { 8868 // AsyncTask.execute() uses a serial executor which means we don't have 8869 // to lock around updateTextServicesLocaleLocked() to prevent it from 8870 // being executed n times in parallel. 8871 AsyncTask.execute(new Runnable() { 8872 @Override 8873 public void run() { 8874 updateTextServicesLocaleLocked(); 8875 } 8876 }); 8877 } 8878 8879 private void updateTextServicesLocaleLocked() { 8880 final TextServicesManager textServicesManager = (TextServicesManager) 8881 mContext.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE); 8882 final SpellCheckerSubtype subtype = textServicesManager.getCurrentSpellCheckerSubtype(true); 8883 final Locale locale; 8884 if (subtype != null) { 8885 locale = subtype.getLocaleObject(); 8886 } else { 8887 locale = null; 8888 } 8889 mCurrentSpellCheckerLocaleCache = locale; 8890 } 8891 8892 void onLocaleChanged() { 8893 mEditor.onLocaleChanged(); 8894 } 8895 8896 /** 8897 * This method is used by the ArrowKeyMovementMethod to jump from one word to the other. 8898 * Made available to achieve a consistent behavior. 8899 * @hide 8900 */ 8901 public WordIterator getWordIterator() { 8902 if (mEditor != null) { 8903 return mEditor.getWordIterator(); 8904 } else { 8905 return null; 8906 } 8907 } 8908 8909 /** @hide */ 8910 @Override 8911 public void onPopulateAccessibilityEventInternal(AccessibilityEvent event) { 8912 super.onPopulateAccessibilityEventInternal(event); 8913 8914 final CharSequence text = getTextForAccessibility(); 8915 if (!TextUtils.isEmpty(text)) { 8916 event.getText().add(text); 8917 } 8918 } 8919 8920 /** 8921 * @return true if the user has explicitly allowed accessibility services 8922 * to speak passwords. 8923 */ 8924 private boolean shouldSpeakPasswordsForAccessibility() { 8925 return (Settings.Secure.getIntForUser(mContext.getContentResolver(), 8926 Settings.Secure.ACCESSIBILITY_SPEAK_PASSWORD, 0, 8927 UserHandle.USER_CURRENT_OR_SELF) == 1); 8928 } 8929 8930 @Override 8931 public CharSequence getAccessibilityClassName() { 8932 return TextView.class.getName(); 8933 } 8934 8935 @Override 8936 public void onProvideStructure(ViewStructure structure) { 8937 super.onProvideStructure(structure); 8938 final boolean isPassword = hasPasswordTransformationMethod() 8939 || isPasswordInputType(getInputType()); 8940 if (!isPassword) { 8941 if (mLayout == null) { 8942 assumeLayout(); 8943 } 8944 Layout layout = mLayout; 8945 final int lineCount = layout.getLineCount(); 8946 if (lineCount <= 1) { 8947 // Simple case: this is a single line. 8948 structure.setText(getText(), getSelectionStart(), getSelectionEnd()); 8949 } else { 8950 // Complex case: multi-line, could be scrolled or within a scroll container 8951 // so some lines are not visible. 8952 final int[] tmpCords = new int[2]; 8953 getLocationInWindow(tmpCords); 8954 final int topWindowLocation = tmpCords[1]; 8955 View root = this; 8956 ViewParent viewParent = getParent(); 8957 while (viewParent instanceof View) { 8958 root = (View) viewParent; 8959 viewParent = root.getParent(); 8960 } 8961 final int windowHeight = root.getHeight(); 8962 final int topLine; 8963 final int bottomLine; 8964 if (topWindowLocation >= 0) { 8965 // The top of the view is fully within its window; start text at line 0. 8966 topLine = getLineAtCoordinateUnclamped(0); 8967 bottomLine = getLineAtCoordinateUnclamped(windowHeight-1); 8968 } else { 8969 // The top of hte window has scrolled off the top of the window; figure out 8970 // the starting line for this. 8971 topLine = getLineAtCoordinateUnclamped(-topWindowLocation); 8972 bottomLine = getLineAtCoordinateUnclamped(windowHeight-1-topWindowLocation); 8973 } 8974 // We want to return some contextual lines above/below the lines that are 8975 // actually visible. 8976 int expandedTopLine = topLine - (bottomLine-topLine)/2; 8977 if (expandedTopLine < 0) { 8978 expandedTopLine = 0; 8979 } 8980 int expandedBottomLine = bottomLine + (bottomLine-topLine)/2; 8981 if (expandedBottomLine >= lineCount) { 8982 expandedBottomLine = lineCount-1; 8983 } 8984 // Convert lines into character offsets. 8985 int expandedTopChar = layout.getLineStart(expandedTopLine); 8986 int expandedBottomChar = layout.getLineEnd(expandedBottomLine); 8987 // Take into account selection -- if there is a selection, we need to expand 8988 // the text we are returning to include that selection. 8989 final int selStart = getSelectionStart(); 8990 final int selEnd = getSelectionEnd(); 8991 if (selStart < selEnd) { 8992 if (selStart < expandedTopChar) { 8993 expandedTopChar = selStart; 8994 } 8995 if (selEnd > expandedBottomChar) { 8996 expandedBottomChar = selEnd; 8997 } 8998 } 8999 // Get the text and trim it to the range we are reporting. 9000 CharSequence text = getText(); 9001 if (expandedTopChar > 0 || expandedBottomChar < text.length()) { 9002 text = text.subSequence(expandedTopChar, expandedBottomChar); 9003 } 9004 structure.setText(text, selStart-expandedTopChar, selEnd-expandedTopChar); 9005 final int[] lineOffsets = new int[bottomLine-topLine+1]; 9006 final int[] lineBaselines = new int[bottomLine-topLine+1]; 9007 final int baselineOffset = getBaselineOffset(); 9008 for (int i=topLine; i<=bottomLine; i++) { 9009 lineOffsets[i-topLine] = layout.getLineStart(i); 9010 lineBaselines[i-topLine] = layout.getLineBaseline(i) + baselineOffset; 9011 } 9012 structure.setTextLines(lineOffsets, lineBaselines); 9013 } 9014 9015 // Extract style information that applies to the TextView as a whole. 9016 int style = 0; 9017 int typefaceStyle = getTypefaceStyle(); 9018 if ((typefaceStyle & Typeface.BOLD) != 0) { 9019 style |= AssistStructure.ViewNode.TEXT_STYLE_BOLD; 9020 } 9021 if ((typefaceStyle & Typeface.ITALIC) != 0) { 9022 style |= AssistStructure.ViewNode.TEXT_STYLE_ITALIC; 9023 } 9024 9025 // Global styles can also be set via TextView.setPaintFlags(). 9026 int paintFlags = mTextPaint.getFlags(); 9027 if ((paintFlags & Paint.FAKE_BOLD_TEXT_FLAG) != 0) { 9028 style |= AssistStructure.ViewNode.TEXT_STYLE_BOLD; 9029 } 9030 if ((paintFlags & Paint.UNDERLINE_TEXT_FLAG) != 0) { 9031 style |= AssistStructure.ViewNode.TEXT_STYLE_UNDERLINE; 9032 } 9033 if ((paintFlags & Paint.STRIKE_THRU_TEXT_FLAG) != 0) { 9034 style |= AssistStructure.ViewNode.TEXT_STYLE_STRIKE_THRU; 9035 } 9036 9037 // TextView does not have its own text background color. A background is either part 9038 // of the View (and can be any drawable) or a BackgroundColorSpan inside the text. 9039 structure.setTextStyle(getTextSize(), getCurrentTextColor(), 9040 AssistStructure.ViewNode.TEXT_COLOR_UNDEFINED /* bgColor */, style); 9041 } 9042 structure.setHint(getHint()); 9043 } 9044 9045 /** @hide */ 9046 @Override 9047 public void onInitializeAccessibilityEventInternal(AccessibilityEvent event) { 9048 super.onInitializeAccessibilityEventInternal(event); 9049 9050 final boolean isPassword = hasPasswordTransformationMethod(); 9051 event.setPassword(isPassword); 9052 9053 if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED) { 9054 event.setFromIndex(Selection.getSelectionStart(mText)); 9055 event.setToIndex(Selection.getSelectionEnd(mText)); 9056 event.setItemCount(mText.length()); 9057 } 9058 } 9059 9060 /** @hide */ 9061 @Override 9062 public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) { 9063 super.onInitializeAccessibilityNodeInfoInternal(info); 9064 9065 final boolean isPassword = hasPasswordTransformationMethod(); 9066 info.setPassword(isPassword); 9067 info.setText(getTextForAccessibility()); 9068 9069 if (mBufferType == BufferType.EDITABLE) { 9070 info.setEditable(true); 9071 if (isEnabled()) { 9072 info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SET_TEXT); 9073 } 9074 } 9075 9076 if (mEditor != null) { 9077 info.setInputType(mEditor.mInputType); 9078 9079 if (mEditor.mError != null) { 9080 info.setContentInvalid(true); 9081 info.setError(mEditor.mError); 9082 } 9083 } 9084 9085 if (!TextUtils.isEmpty(mText)) { 9086 info.addAction(AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY); 9087 info.addAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY); 9088 info.setMovementGranularities(AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER 9089 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD 9090 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE 9091 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PARAGRAPH 9092 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE); 9093 info.addAction(AccessibilityNodeInfo.ACTION_SET_SELECTION); 9094 } 9095 9096 if (isFocused()) { 9097 if (canCopy()) { 9098 info.addAction(AccessibilityNodeInfo.ACTION_COPY); 9099 } 9100 if (canPaste()) { 9101 info.addAction(AccessibilityNodeInfo.ACTION_PASTE); 9102 } 9103 if (canCut()) { 9104 info.addAction(AccessibilityNodeInfo.ACTION_CUT); 9105 } 9106 if (canShare()) { 9107 info.addAction(new AccessibilityNodeInfo.AccessibilityAction( 9108 ACCESSIBILITY_ACTION_SHARE, 9109 getResources().getString(com.android.internal.R.string.share))); 9110 } 9111 if (canProcessText()) { // also implies mEditor is not null. 9112 mEditor.mProcessTextIntentActionsHandler.onInitializeAccessibilityNodeInfo(info); 9113 } 9114 } 9115 9116 // Check for known input filter types. 9117 final int numFilters = mFilters.length; 9118 for (int i = 0; i < numFilters; i++) { 9119 final InputFilter filter = mFilters[i]; 9120 if (filter instanceof InputFilter.LengthFilter) { 9121 info.setMaxTextLength(((InputFilter.LengthFilter) filter).getMax()); 9122 } 9123 } 9124 9125 if (!isSingleLine()) { 9126 info.setMultiLine(true); 9127 } 9128 } 9129 9130 /** 9131 * Performs an accessibility action after it has been offered to the 9132 * delegate. 9133 * 9134 * @hide 9135 */ 9136 @Override 9137 public boolean performAccessibilityActionInternal(int action, Bundle arguments) { 9138 if (mEditor != null 9139 && mEditor.mProcessTextIntentActionsHandler.performAccessibilityAction(action)) { 9140 return true; 9141 } 9142 switch (action) { 9143 case AccessibilityNodeInfo.ACTION_CLICK: { 9144 return performAccessibilityActionClick(arguments); 9145 } 9146 case AccessibilityNodeInfo.ACTION_COPY: { 9147 if (isFocused() && canCopy()) { 9148 if (onTextContextMenuItem(ID_COPY)) { 9149 return true; 9150 } 9151 } 9152 } return false; 9153 case AccessibilityNodeInfo.ACTION_PASTE: { 9154 if (isFocused() && canPaste()) { 9155 if (onTextContextMenuItem(ID_PASTE)) { 9156 return true; 9157 } 9158 } 9159 } return false; 9160 case AccessibilityNodeInfo.ACTION_CUT: { 9161 if (isFocused() && canCut()) { 9162 if (onTextContextMenuItem(ID_CUT)) { 9163 return true; 9164 } 9165 } 9166 } return false; 9167 case AccessibilityNodeInfo.ACTION_SET_SELECTION: { 9168 ensureIterableTextForAccessibilitySelectable(); 9169 CharSequence text = getIterableTextForAccessibility(); 9170 if (text == null) { 9171 return false; 9172 } 9173 final int start = (arguments != null) ? arguments.getInt( 9174 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_START_INT, -1) : -1; 9175 final int end = (arguments != null) ? arguments.getInt( 9176 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_END_INT, -1) : -1; 9177 if ((getSelectionStart() != start || getSelectionEnd() != end)) { 9178 // No arguments clears the selection. 9179 if (start == end && end == -1) { 9180 Selection.removeSelection((Spannable) text); 9181 return true; 9182 } 9183 if (start >= 0 && start <= end && end <= text.length()) { 9184 Selection.setSelection((Spannable) text, start, end); 9185 // Make sure selection mode is engaged. 9186 if (mEditor != null) { 9187 mEditor.startSelectionActionMode(); 9188 } 9189 return true; 9190 } 9191 } 9192 } return false; 9193 case AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY: 9194 case AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY: { 9195 ensureIterableTextForAccessibilitySelectable(); 9196 return super.performAccessibilityActionInternal(action, arguments); 9197 } 9198 case ACCESSIBILITY_ACTION_SHARE: { 9199 if (isFocused() && canShare()) { 9200 if (onTextContextMenuItem(ID_SHARE)) { 9201 return true; 9202 } 9203 } 9204 } return false; 9205 case AccessibilityNodeInfo.ACTION_SET_TEXT: { 9206 if (!isEnabled() || (mBufferType != BufferType.EDITABLE)) { 9207 return false; 9208 } 9209 CharSequence text = (arguments != null) ? arguments.getCharSequence( 9210 AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE) : null; 9211 setText(text); 9212 if (mText != null) { 9213 int updatedTextLength = mText.length(); 9214 if (updatedTextLength > 0) { 9215 Selection.setSelection((Spannable) mText, updatedTextLength); 9216 } 9217 } 9218 } return true; 9219 default: { 9220 return super.performAccessibilityActionInternal(action, arguments); 9221 } 9222 } 9223 } 9224 9225 private boolean performAccessibilityActionClick(Bundle arguments) { 9226 boolean handled = false; 9227 9228 if (!isEnabled()) { 9229 return false; 9230 } 9231 9232 if (isClickable() || isLongClickable()) { 9233 // Simulate View.onTouchEvent for an ACTION_UP event 9234 if (isFocusable() && !isFocused()) { 9235 requestFocus(); 9236 } 9237 9238 performClick(); 9239 handled = true; 9240 } 9241 9242 // Show the IME, except when selecting in read-only text. 9243 if ((mMovement != null || onCheckIsTextEditor()) && hasSpannableText() && mLayout != null 9244 && (isTextEditable() || isTextSelectable()) && isFocused()) { 9245 final InputMethodManager imm = InputMethodManager.peekInstance(); 9246 viewClicked(imm); 9247 if (!isTextSelectable() && mEditor.mShowSoftInputOnFocus && imm != null) { 9248 handled |= imm.showSoftInput(this, 0); 9249 } 9250 } 9251 9252 return handled; 9253 } 9254 9255 private boolean hasSpannableText() { 9256 return mText != null && mText instanceof Spannable; 9257 } 9258 9259 /** @hide */ 9260 @Override 9261 public void sendAccessibilityEventInternal(int eventType) { 9262 if (eventType == AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED && mEditor != null) { 9263 mEditor.mProcessTextIntentActionsHandler.initializeAccessibilityActions(); 9264 } 9265 9266 // Do not send scroll events since first they are not interesting for 9267 // accessibility and second such events a generated too frequently. 9268 // For details see the implementation of bringTextIntoView(). 9269 if (eventType == AccessibilityEvent.TYPE_VIEW_SCROLLED) { 9270 return; 9271 } 9272 super.sendAccessibilityEventInternal(eventType); 9273 } 9274 9275 /** 9276 * Returns the text that should be exposed to accessibility services. 9277 * <p> 9278 * This approximates what is displayed visually. If the user has specified 9279 * that accessibility services should speak passwords, this method will 9280 * bypass any password transformation method and return unobscured text. 9281 * 9282 * @return the text that should be exposed to accessibility services, may 9283 * be {@code null} if no text is set 9284 */ 9285 @Nullable 9286 private CharSequence getTextForAccessibility() { 9287 // If the text is empty, we must be showing the hint text. 9288 if (TextUtils.isEmpty(mText)) { 9289 return mHint; 9290 } 9291 9292 // Check whether we need to bypass the transformation 9293 // method and expose unobscured text. 9294 if (hasPasswordTransformationMethod() && shouldSpeakPasswordsForAccessibility()) { 9295 return mText; 9296 } 9297 9298 // Otherwise, speak whatever text is being displayed. 9299 return mTransformed; 9300 } 9301 9302 void sendAccessibilityEventTypeViewTextChanged(CharSequence beforeText, 9303 int fromIndex, int removedCount, int addedCount) { 9304 AccessibilityEvent event = 9305 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED); 9306 event.setFromIndex(fromIndex); 9307 event.setRemovedCount(removedCount); 9308 event.setAddedCount(addedCount); 9309 event.setBeforeText(beforeText); 9310 sendAccessibilityEventUnchecked(event); 9311 } 9312 9313 /** 9314 * Returns whether this text view is a current input method target. The 9315 * default implementation just checks with {@link InputMethodManager}. 9316 */ 9317 public boolean isInputMethodTarget() { 9318 InputMethodManager imm = InputMethodManager.peekInstance(); 9319 return imm != null && imm.isActive(this); 9320 } 9321 9322 static final int ID_SELECT_ALL = android.R.id.selectAll; 9323 static final int ID_UNDO = android.R.id.undo; 9324 static final int ID_REDO = android.R.id.redo; 9325 static final int ID_CUT = android.R.id.cut; 9326 static final int ID_COPY = android.R.id.copy; 9327 static final int ID_PASTE = android.R.id.paste; 9328 static final int ID_SHARE = android.R.id.shareText; 9329 static final int ID_PASTE_AS_PLAIN_TEXT = android.R.id.pasteAsPlainText; 9330 static final int ID_REPLACE = android.R.id.replaceText; 9331 9332 /** 9333 * Called when a context menu option for the text view is selected. Currently 9334 * this will be one of {@link android.R.id#selectAll}, {@link android.R.id#cut}, 9335 * {@link android.R.id#copy}, {@link android.R.id#paste} or {@link android.R.id#shareText}. 9336 * 9337 * @return true if the context menu item action was performed. 9338 */ 9339 public boolean onTextContextMenuItem(int id) { 9340 int min = 0; 9341 int max = mText.length(); 9342 9343 if (isFocused()) { 9344 final int selStart = getSelectionStart(); 9345 final int selEnd = getSelectionEnd(); 9346 9347 min = Math.max(0, Math.min(selStart, selEnd)); 9348 max = Math.max(0, Math.max(selStart, selEnd)); 9349 } 9350 9351 switch (id) { 9352 case ID_SELECT_ALL: 9353 selectAllText(); 9354 return true; 9355 9356 case ID_UNDO: 9357 if (mEditor != null) { 9358 mEditor.undo(); 9359 } 9360 return true; // Returns true even if nothing was undone. 9361 9362 case ID_REDO: 9363 if (mEditor != null) { 9364 mEditor.redo(); 9365 } 9366 return true; // Returns true even if nothing was undone. 9367 9368 case ID_PASTE: 9369 paste(min, max, true /* withFormatting */); 9370 return true; 9371 9372 case ID_PASTE_AS_PLAIN_TEXT: 9373 paste(min, max, false /* withFormatting */); 9374 return true; 9375 9376 case ID_CUT: 9377 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 9378 deleteText_internal(min, max); 9379 return true; 9380 9381 case ID_COPY: 9382 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 9383 stopTextActionMode(); 9384 return true; 9385 9386 case ID_REPLACE: 9387 if (mEditor != null) { 9388 mEditor.replace(); 9389 } 9390 return true; 9391 9392 case ID_SHARE: 9393 shareSelectedText(); 9394 return true; 9395 } 9396 return false; 9397 } 9398 9399 CharSequence getTransformedText(int start, int end) { 9400 return removeSuggestionSpans(mTransformed.subSequence(start, end)); 9401 } 9402 9403 @Override 9404 public boolean performLongClick() { 9405 boolean handled = false; 9406 9407 if (mEditor != null) { 9408 mEditor.mIsBeingLongClicked = true; 9409 } 9410 9411 if (super.performLongClick()) { 9412 handled = true; 9413 } 9414 9415 if (mEditor != null) { 9416 handled |= mEditor.performLongClick(handled); 9417 mEditor.mIsBeingLongClicked = false; 9418 } 9419 9420 if (handled) { 9421 performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 9422 if (mEditor != null) mEditor.mDiscardNextActionUp = true; 9423 } 9424 9425 return handled; 9426 } 9427 9428 @Override 9429 protected void onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert) { 9430 super.onScrollChanged(horiz, vert, oldHoriz, oldVert); 9431 if (mEditor != null) { 9432 mEditor.onScrollChanged(); 9433 } 9434 } 9435 9436 /** 9437 * Return whether or not suggestions are enabled on this TextView. The suggestions are generated 9438 * by the IME or by the spell checker as the user types. This is done by adding 9439 * {@link SuggestionSpan}s to the text. 9440 * 9441 * When suggestions are enabled (default), this list of suggestions will be displayed when the 9442 * user asks for them on these parts of the text. This value depends on the inputType of this 9443 * TextView. 9444 * 9445 * The class of the input type must be {@link InputType#TYPE_CLASS_TEXT}. 9446 * 9447 * In addition, the type variation must be one of 9448 * {@link InputType#TYPE_TEXT_VARIATION_NORMAL}, 9449 * {@link InputType#TYPE_TEXT_VARIATION_EMAIL_SUBJECT}, 9450 * {@link InputType#TYPE_TEXT_VARIATION_LONG_MESSAGE}, 9451 * {@link InputType#TYPE_TEXT_VARIATION_SHORT_MESSAGE} or 9452 * {@link InputType#TYPE_TEXT_VARIATION_WEB_EDIT_TEXT}. 9453 * 9454 * And finally, the {@link InputType#TYPE_TEXT_FLAG_NO_SUGGESTIONS} flag must <i>not</i> be set. 9455 * 9456 * @return true if the suggestions popup window is enabled, based on the inputType. 9457 */ 9458 public boolean isSuggestionsEnabled() { 9459 if (mEditor == null) return false; 9460 if ((mEditor.mInputType & InputType.TYPE_MASK_CLASS) != InputType.TYPE_CLASS_TEXT) { 9461 return false; 9462 } 9463 if ((mEditor.mInputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) > 0) return false; 9464 9465 final int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 9466 return (variation == EditorInfo.TYPE_TEXT_VARIATION_NORMAL || 9467 variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT || 9468 variation == EditorInfo.TYPE_TEXT_VARIATION_LONG_MESSAGE || 9469 variation == EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE || 9470 variation == EditorInfo.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT); 9471 } 9472 9473 /** 9474 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 9475 * selection is initiated in this View. 9476 * 9477 * <p>The standard implementation populates the menu with a subset of Select All, Cut, Copy, 9478 * Paste, Replace and Share actions, depending on what this View supports. 9479 * 9480 * <p>A custom implementation can add new entries in the default menu in its 9481 * {@link android.view.ActionMode.Callback#onPrepareActionMode(ActionMode, android.view.Menu)} 9482 * method. The default actions can also be removed from the menu using 9483 * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll}, 9484 * {@link android.R.id#cut}, {@link android.R.id#copy}, {@link android.R.id#paste}, 9485 * {@link android.R.id#replaceText} or {@link android.R.id#shareText} ids as parameters. 9486 * 9487 * <p>Returning false from 9488 * {@link android.view.ActionMode.Callback#onCreateActionMode(ActionMode, android.view.Menu)} 9489 * will prevent the action mode from being started. 9490 * 9491 * <p>Action click events should be handled by the custom implementation of 9492 * {@link android.view.ActionMode.Callback#onActionItemClicked(ActionMode, 9493 * android.view.MenuItem)}. 9494 * 9495 * <p>Note that text selection mode is not started when a TextView receives focus and the 9496 * {@link android.R.attr#selectAllOnFocus} flag has been set. The content is highlighted in 9497 * that case, to allow for quick replacement. 9498 */ 9499 public void setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback) { 9500 createEditorIfNeeded(); 9501 mEditor.mCustomSelectionActionModeCallback = actionModeCallback; 9502 } 9503 9504 /** 9505 * Retrieves the value set in {@link #setCustomSelectionActionModeCallback}. Default is null. 9506 * 9507 * @return The current custom selection callback. 9508 */ 9509 public ActionMode.Callback getCustomSelectionActionModeCallback() { 9510 return mEditor == null ? null : mEditor.mCustomSelectionActionModeCallback; 9511 } 9512 9513 /** 9514 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 9515 * insertion is initiated in this View. 9516 * The standard implementation populates the menu with a subset of Select All, 9517 * Paste and Replace actions, depending on what this View supports. 9518 * 9519 * <p>A custom implementation can add new entries in the default menu in its 9520 * {@link android.view.ActionMode.Callback#onPrepareActionMode(android.view.ActionMode, 9521 * android.view.Menu)} method. The default actions can also be removed from the menu using 9522 * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll}, 9523 * {@link android.R.id#paste} or {@link android.R.id#replaceText} ids as parameters.</p> 9524 * 9525 * <p>Returning false from 9526 * {@link android.view.ActionMode.Callback#onCreateActionMode(android.view.ActionMode, 9527 * android.view.Menu)} will prevent the action mode from being started.</p> 9528 * 9529 * <p>Action click events should be handled by the custom implementation of 9530 * {@link android.view.ActionMode.Callback#onActionItemClicked(android.view.ActionMode, 9531 * android.view.MenuItem)}.</p> 9532 * 9533 * <p>Note that text insertion mode is not started when a TextView receives focus and the 9534 * {@link android.R.attr#selectAllOnFocus} flag has been set.</p> 9535 */ 9536 public void setCustomInsertionActionModeCallback(ActionMode.Callback actionModeCallback) { 9537 createEditorIfNeeded(); 9538 mEditor.mCustomInsertionActionModeCallback = actionModeCallback; 9539 } 9540 9541 /** 9542 * Retrieves the value set in {@link #setCustomInsertionActionModeCallback}. Default is null. 9543 * 9544 * @return The current custom insertion callback. 9545 */ 9546 public ActionMode.Callback getCustomInsertionActionModeCallback() { 9547 return mEditor == null ? null : mEditor.mCustomInsertionActionModeCallback; 9548 } 9549 9550 /** 9551 * @hide 9552 */ 9553 protected void stopTextActionMode() { 9554 if (mEditor != null) { 9555 mEditor.stopTextActionMode(); 9556 } 9557 } 9558 9559 boolean canUndo() { 9560 return mEditor != null && mEditor.canUndo(); 9561 } 9562 9563 boolean canRedo() { 9564 return mEditor != null && mEditor.canRedo(); 9565 } 9566 9567 boolean canCut() { 9568 if (hasPasswordTransformationMethod()) { 9569 return false; 9570 } 9571 9572 if (mText.length() > 0 && hasSelection() && mText instanceof Editable && mEditor != null && 9573 mEditor.mKeyListener != null) { 9574 return true; 9575 } 9576 9577 return false; 9578 } 9579 9580 boolean canCopy() { 9581 if (hasPasswordTransformationMethod()) { 9582 return false; 9583 } 9584 9585 if (mText.length() > 0 && hasSelection() && mEditor != null) { 9586 return true; 9587 } 9588 9589 return false; 9590 } 9591 9592 boolean canShare() { 9593 if (!getContext().canStartActivityForResult() || !isDeviceProvisioned()) { 9594 return false; 9595 } 9596 return canCopy(); 9597 } 9598 9599 boolean isDeviceProvisioned() { 9600 if (mDeviceProvisionedState == DEVICE_PROVISIONED_UNKNOWN) { 9601 mDeviceProvisionedState = Settings.Global.getInt( 9602 mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0 9603 ? DEVICE_PROVISIONED_YES 9604 : DEVICE_PROVISIONED_NO; 9605 } 9606 return mDeviceProvisionedState == DEVICE_PROVISIONED_YES; 9607 } 9608 9609 boolean canPaste() { 9610 return (mText instanceof Editable && 9611 mEditor != null && mEditor.mKeyListener != null && 9612 getSelectionStart() >= 0 && 9613 getSelectionEnd() >= 0 && 9614 ((ClipboardManager)getContext().getSystemService(Context.CLIPBOARD_SERVICE)). 9615 hasPrimaryClip()); 9616 } 9617 9618 boolean canProcessText() { 9619 if (getId() == View.NO_ID) { 9620 return false; 9621 } 9622 return canShare(); 9623 } 9624 9625 boolean canSelectAllText() { 9626 return canSelectText() && !hasPasswordTransformationMethod() 9627 && !(getSelectionStart() == 0 && getSelectionEnd() == mText.length()); 9628 } 9629 9630 boolean selectAllText() { 9631 final int length = mText.length(); 9632 Selection.setSelection((Spannable) mText, 0, length); 9633 return length > 0; 9634 } 9635 9636 void replaceSelectionWithText(CharSequence text) { 9637 ((Editable) mText).replace(getSelectionStart(), getSelectionEnd(), text); 9638 } 9639 9640 /** 9641 * Paste clipboard content between min and max positions. 9642 */ 9643 private void paste(int min, int max, boolean withFormatting) { 9644 ClipboardManager clipboard = 9645 (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE); 9646 ClipData clip = clipboard.getPrimaryClip(); 9647 if (clip != null) { 9648 boolean didFirst = false; 9649 for (int i=0; i<clip.getItemCount(); i++) { 9650 final CharSequence paste; 9651 if (withFormatting) { 9652 paste = clip.getItemAt(i).coerceToStyledText(getContext()); 9653 } else { 9654 // Get an item as text and remove all spans by toString(). 9655 final CharSequence text = clip.getItemAt(i).coerceToText(getContext()); 9656 paste = (text instanceof Spanned) ? text.toString() : text; 9657 } 9658 if (paste != null) { 9659 if (!didFirst) { 9660 Selection.setSelection((Spannable) mText, max); 9661 ((Editable) mText).replace(min, max, paste); 9662 didFirst = true; 9663 } else { 9664 ((Editable) mText).insert(getSelectionEnd(), "\n"); 9665 ((Editable) mText).insert(getSelectionEnd(), paste); 9666 } 9667 } 9668 } 9669 sLastCutCopyOrTextChangedTime = 0; 9670 } 9671 } 9672 9673 private void shareSelectedText() { 9674 String selectedText = getSelectedText(); 9675 if (selectedText != null && !selectedText.isEmpty()) { 9676 Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND); 9677 sharingIntent.setType("text/plain"); 9678 sharingIntent.removeExtra(android.content.Intent.EXTRA_TEXT); 9679 sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, selectedText); 9680 getContext().startActivity(Intent.createChooser(sharingIntent, null)); 9681 Selection.setSelection((Spannable) mText, getSelectionEnd()); 9682 } 9683 } 9684 9685 private void setPrimaryClip(ClipData clip) { 9686 ClipboardManager clipboard = (ClipboardManager) getContext(). 9687 getSystemService(Context.CLIPBOARD_SERVICE); 9688 clipboard.setPrimaryClip(clip); 9689 sLastCutCopyOrTextChangedTime = SystemClock.uptimeMillis(); 9690 } 9691 9692 /** 9693 * Get the character offset closest to the specified absolute position. A typical use case is to 9694 * pass the result of {@link MotionEvent#getX()} and {@link MotionEvent#getY()} to this method. 9695 * 9696 * @param x The horizontal absolute position of a point on screen 9697 * @param y The vertical absolute position of a point on screen 9698 * @return the character offset for the character whose position is closest to the specified 9699 * position. Returns -1 if there is no layout. 9700 */ 9701 public int getOffsetForPosition(float x, float y) { 9702 if (getLayout() == null) return -1; 9703 final int line = getLineAtCoordinate(y); 9704 final int offset = getOffsetAtCoordinate(line, x); 9705 return offset; 9706 } 9707 9708 float convertToLocalHorizontalCoordinate(float x) { 9709 x -= getTotalPaddingLeft(); 9710 // Clamp the position to inside of the view. 9711 x = Math.max(0.0f, x); 9712 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 9713 x += getScrollX(); 9714 return x; 9715 } 9716 9717 int getLineAtCoordinate(float y) { 9718 y -= getTotalPaddingTop(); 9719 // Clamp the position to inside of the view. 9720 y = Math.max(0.0f, y); 9721 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 9722 y += getScrollY(); 9723 return getLayout().getLineForVertical((int) y); 9724 } 9725 9726 int getLineAtCoordinateUnclamped(float y) { 9727 y -= getTotalPaddingTop(); 9728 y += getScrollY(); 9729 return getLayout().getLineForVertical((int) y); 9730 } 9731 9732 int getOffsetAtCoordinate(int line, float x) { 9733 x = convertToLocalHorizontalCoordinate(x); 9734 return getLayout().getOffsetForHorizontal(line, x); 9735 } 9736 9737 @Override 9738 public boolean onDragEvent(DragEvent event) { 9739 switch (event.getAction()) { 9740 case DragEvent.ACTION_DRAG_STARTED: 9741 return mEditor != null && mEditor.hasInsertionController(); 9742 9743 case DragEvent.ACTION_DRAG_ENTERED: 9744 TextView.this.requestFocus(); 9745 return true; 9746 9747 case DragEvent.ACTION_DRAG_LOCATION: 9748 final int offset = getOffsetForPosition(event.getX(), event.getY()); 9749 Selection.setSelection((Spannable)mText, offset); 9750 return true; 9751 9752 case DragEvent.ACTION_DROP: 9753 if (mEditor != null) mEditor.onDrop(event); 9754 return true; 9755 9756 case DragEvent.ACTION_DRAG_ENDED: 9757 case DragEvent.ACTION_DRAG_EXITED: 9758 default: 9759 return true; 9760 } 9761 } 9762 9763 boolean isInBatchEditMode() { 9764 if (mEditor == null) return false; 9765 final Editor.InputMethodState ims = mEditor.mInputMethodState; 9766 if (ims != null) { 9767 return ims.mBatchEditNesting > 0; 9768 } 9769 return mEditor.mInBatchEditControllers; 9770 } 9771 9772 @Override 9773 public void onRtlPropertiesChanged(int layoutDirection) { 9774 super.onRtlPropertiesChanged(layoutDirection); 9775 9776 final TextDirectionHeuristic newTextDir = getTextDirectionHeuristic(); 9777 if (mTextDir != newTextDir) { 9778 mTextDir = newTextDir; 9779 if (mLayout != null) { 9780 checkForRelayout(); 9781 } 9782 } 9783 } 9784 9785 /** 9786 * @hide 9787 */ 9788 protected TextDirectionHeuristic getTextDirectionHeuristic() { 9789 if (hasPasswordTransformationMethod()) { 9790 // passwords fields should be LTR 9791 return TextDirectionHeuristics.LTR; 9792 } 9793 9794 // Always need to resolve layout direction first 9795 final boolean defaultIsRtl = (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 9796 9797 // Now, we can select the heuristic 9798 switch (getTextDirection()) { 9799 default: 9800 case TEXT_DIRECTION_FIRST_STRONG: 9801 return (defaultIsRtl ? TextDirectionHeuristics.FIRSTSTRONG_RTL : 9802 TextDirectionHeuristics.FIRSTSTRONG_LTR); 9803 case TEXT_DIRECTION_ANY_RTL: 9804 return TextDirectionHeuristics.ANYRTL_LTR; 9805 case TEXT_DIRECTION_LTR: 9806 return TextDirectionHeuristics.LTR; 9807 case TEXT_DIRECTION_RTL: 9808 return TextDirectionHeuristics.RTL; 9809 case TEXT_DIRECTION_LOCALE: 9810 return TextDirectionHeuristics.LOCALE; 9811 case TEXT_DIRECTION_FIRST_STRONG_LTR: 9812 return TextDirectionHeuristics.FIRSTSTRONG_LTR; 9813 case TEXT_DIRECTION_FIRST_STRONG_RTL: 9814 return TextDirectionHeuristics.FIRSTSTRONG_RTL; 9815 } 9816 } 9817 9818 /** 9819 * @hide 9820 */ 9821 @Override 9822 public void onResolveDrawables(int layoutDirection) { 9823 // No need to resolve twice 9824 if (mLastLayoutDirection == layoutDirection) { 9825 return; 9826 } 9827 mLastLayoutDirection = layoutDirection; 9828 9829 // Resolve drawables 9830 if (mDrawables != null) { 9831 if (mDrawables.resolveWithLayoutDirection(layoutDirection)) { 9832 prepareDrawableForDisplay(mDrawables.mShowing[Drawables.LEFT]); 9833 prepareDrawableForDisplay(mDrawables.mShowing[Drawables.RIGHT]); 9834 applyCompoundDrawableTint(); 9835 } 9836 } 9837 } 9838 9839 /** 9840 * Prepares a drawable for display by propagating layout direction and 9841 * drawable state. 9842 * 9843 * @param dr the drawable to prepare 9844 */ 9845 private void prepareDrawableForDisplay(@Nullable Drawable dr) { 9846 if (dr == null) { 9847 return; 9848 } 9849 9850 dr.setLayoutDirection(getLayoutDirection()); 9851 9852 if (dr.isStateful()) { 9853 dr.setState(getDrawableState()); 9854 dr.jumpToCurrentState(); 9855 } 9856 } 9857 9858 /** 9859 * @hide 9860 */ 9861 protected void resetResolvedDrawables() { 9862 super.resetResolvedDrawables(); 9863 mLastLayoutDirection = -1; 9864 } 9865 9866 /** 9867 * @hide 9868 */ 9869 protected void viewClicked(InputMethodManager imm) { 9870 if (imm != null) { 9871 imm.viewClicked(this); 9872 } 9873 } 9874 9875 /** 9876 * Deletes the range of text [start, end[. 9877 * @hide 9878 */ 9879 protected void deleteText_internal(int start, int end) { 9880 ((Editable) mText).delete(start, end); 9881 } 9882 9883 /** 9884 * Replaces the range of text [start, end[ by replacement text 9885 * @hide 9886 */ 9887 protected void replaceText_internal(int start, int end, CharSequence text) { 9888 ((Editable) mText).replace(start, end, text); 9889 } 9890 9891 /** 9892 * Sets a span on the specified range of text 9893 * @hide 9894 */ 9895 protected void setSpan_internal(Object span, int start, int end, int flags) { 9896 ((Editable) mText).setSpan(span, start, end, flags); 9897 } 9898 9899 /** 9900 * Moves the cursor to the specified offset position in text 9901 * @hide 9902 */ 9903 protected void setCursorPosition_internal(int start, int end) { 9904 Selection.setSelection(((Editable) mText), start, end); 9905 } 9906 9907 /** 9908 * An Editor should be created as soon as any of the editable-specific fields (grouped 9909 * inside the Editor object) is assigned to a non-default value. 9910 * This method will create the Editor if needed. 9911 * 9912 * A standard TextView (as well as buttons, checkboxes...) should not qualify and hence will 9913 * have a null Editor, unlike an EditText. Inconsistent in-between states will have an 9914 * Editor for backward compatibility, as soon as one of these fields is assigned. 9915 * 9916 * Also note that for performance reasons, the mEditor is created when needed, but not 9917 * reset when no more edit-specific fields are needed. 9918 */ 9919 private void createEditorIfNeeded() { 9920 if (mEditor == null) { 9921 mEditor = new Editor(this); 9922 } 9923 } 9924 9925 /** 9926 * @hide 9927 */ 9928 @Override 9929 public CharSequence getIterableTextForAccessibility() { 9930 return mText; 9931 } 9932 9933 private void ensureIterableTextForAccessibilitySelectable() { 9934 if (!(mText instanceof Spannable)) { 9935 setText(mText, BufferType.SPANNABLE); 9936 } 9937 } 9938 9939 /** 9940 * @hide 9941 */ 9942 @Override 9943 public TextSegmentIterator getIteratorForGranularity(int granularity) { 9944 switch (granularity) { 9945 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE: { 9946 Spannable text = (Spannable) getIterableTextForAccessibility(); 9947 if (!TextUtils.isEmpty(text) && getLayout() != null) { 9948 AccessibilityIterators.LineTextSegmentIterator iterator = 9949 AccessibilityIterators.LineTextSegmentIterator.getInstance(); 9950 iterator.initialize(text, getLayout()); 9951 return iterator; 9952 } 9953 } break; 9954 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE: { 9955 Spannable text = (Spannable) getIterableTextForAccessibility(); 9956 if (!TextUtils.isEmpty(text) && getLayout() != null) { 9957 AccessibilityIterators.PageTextSegmentIterator iterator = 9958 AccessibilityIterators.PageTextSegmentIterator.getInstance(); 9959 iterator.initialize(this); 9960 return iterator; 9961 } 9962 } break; 9963 } 9964 return super.getIteratorForGranularity(granularity); 9965 } 9966 9967 /** 9968 * @hide 9969 */ 9970 @Override 9971 public int getAccessibilitySelectionStart() { 9972 return getSelectionStart(); 9973 } 9974 9975 /** 9976 * @hide 9977 */ 9978 public boolean isAccessibilitySelectionExtendable() { 9979 return true; 9980 } 9981 9982 /** 9983 * @hide 9984 */ 9985 @Override 9986 public int getAccessibilitySelectionEnd() { 9987 return getSelectionEnd(); 9988 } 9989 9990 /** 9991 * @hide 9992 */ 9993 @Override 9994 public void setAccessibilitySelection(int start, int end) { 9995 if (getAccessibilitySelectionStart() == start 9996 && getAccessibilitySelectionEnd() == end) { 9997 return; 9998 } 9999 CharSequence text = getIterableTextForAccessibility(); 10000 if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) { 10001 Selection.setSelection((Spannable) text, start, end); 10002 } else { 10003 Selection.removeSelection((Spannable) text); 10004 } 10005 // Hide all selection controllers used for adjusting selection 10006 // since we are doing so explicitlty by other means and these 10007 // controllers interact with how selection behaves. 10008 if (mEditor != null) { 10009 mEditor.hideCursorAndSpanControllers(); 10010 mEditor.stopTextActionMode(); 10011 } 10012 } 10013 10014 /** @hide */ 10015 @Override 10016 protected void encodeProperties(@NonNull ViewHierarchyEncoder stream) { 10017 super.encodeProperties(stream); 10018 10019 TruncateAt ellipsize = getEllipsize(); 10020 stream.addProperty("text:ellipsize", ellipsize == null ? null : ellipsize.name()); 10021 stream.addProperty("text:textSize", getTextSize()); 10022 stream.addProperty("text:scaledTextSize", getScaledTextSize()); 10023 stream.addProperty("text:typefaceStyle", getTypefaceStyle()); 10024 stream.addProperty("text:selectionStart", getSelectionStart()); 10025 stream.addProperty("text:selectionEnd", getSelectionEnd()); 10026 stream.addProperty("text:curTextColor", mCurTextColor); 10027 stream.addProperty("text:text", mText == null ? null : mText.toString()); 10028 stream.addProperty("text:gravity", mGravity); 10029 } 10030 10031 /** 10032 * User interface state that is stored by TextView for implementing 10033 * {@link View#onSaveInstanceState}. 10034 */ 10035 public static class SavedState extends BaseSavedState { 10036 int selStart = -1; 10037 int selEnd = -1; 10038 CharSequence text; 10039 boolean frozenWithFocus; 10040 CharSequence error; 10041 ParcelableParcel editorState; // Optional state from Editor. 10042 10043 SavedState(Parcelable superState) { 10044 super(superState); 10045 } 10046 10047 @Override 10048 public void writeToParcel(Parcel out, int flags) { 10049 super.writeToParcel(out, flags); 10050 out.writeInt(selStart); 10051 out.writeInt(selEnd); 10052 out.writeInt(frozenWithFocus ? 1 : 0); 10053 TextUtils.writeToParcel(text, out, flags); 10054 10055 if (error == null) { 10056 out.writeInt(0); 10057 } else { 10058 out.writeInt(1); 10059 TextUtils.writeToParcel(error, out, flags); 10060 } 10061 10062 if (editorState == null) { 10063 out.writeInt(0); 10064 } else { 10065 out.writeInt(1); 10066 editorState.writeToParcel(out, flags); 10067 } 10068 } 10069 10070 @Override 10071 public String toString() { 10072 String str = "TextView.SavedState{" 10073 + Integer.toHexString(System.identityHashCode(this)) 10074 + " start=" + selStart + " end=" + selEnd; 10075 if (text != null) { 10076 str += " text=" + text; 10077 } 10078 return str + "}"; 10079 } 10080 10081 @SuppressWarnings("hiding") 10082 public static final Parcelable.Creator<SavedState> CREATOR 10083 = new Parcelable.Creator<SavedState>() { 10084 public SavedState createFromParcel(Parcel in) { 10085 return new SavedState(in); 10086 } 10087 10088 public SavedState[] newArray(int size) { 10089 return new SavedState[size]; 10090 } 10091 }; 10092 10093 private SavedState(Parcel in) { 10094 super(in); 10095 selStart = in.readInt(); 10096 selEnd = in.readInt(); 10097 frozenWithFocus = (in.readInt() != 0); 10098 text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 10099 10100 if (in.readInt() != 0) { 10101 error = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 10102 } 10103 10104 if (in.readInt() != 0) { 10105 editorState = ParcelableParcel.CREATOR.createFromParcel(in); 10106 } 10107 } 10108 } 10109 10110 private static class CharWrapper implements CharSequence, GetChars, GraphicsOperations { 10111 private char[] mChars; 10112 private int mStart, mLength; 10113 10114 public CharWrapper(char[] chars, int start, int len) { 10115 mChars = chars; 10116 mStart = start; 10117 mLength = len; 10118 } 10119 10120 /* package */ void set(char[] chars, int start, int len) { 10121 mChars = chars; 10122 mStart = start; 10123 mLength = len; 10124 } 10125 10126 public int length() { 10127 return mLength; 10128 } 10129 10130 public char charAt(int off) { 10131 return mChars[off + mStart]; 10132 } 10133 10134 @Override 10135 public String toString() { 10136 return new String(mChars, mStart, mLength); 10137 } 10138 10139 public CharSequence subSequence(int start, int end) { 10140 if (start < 0 || end < 0 || start > mLength || end > mLength) { 10141 throw new IndexOutOfBoundsException(start + ", " + end); 10142 } 10143 10144 return new String(mChars, start + mStart, end - start); 10145 } 10146 10147 public void getChars(int start, int end, char[] buf, int off) { 10148 if (start < 0 || end < 0 || start > mLength || end > mLength) { 10149 throw new IndexOutOfBoundsException(start + ", " + end); 10150 } 10151 10152 System.arraycopy(mChars, start + mStart, buf, off, end - start); 10153 } 10154 10155 public void drawText(Canvas c, int start, int end, 10156 float x, float y, Paint p) { 10157 c.drawText(mChars, start + mStart, end - start, x, y, p); 10158 } 10159 10160 public void drawTextRun(Canvas c, int start, int end, 10161 int contextStart, int contextEnd, float x, float y, boolean isRtl, Paint p) { 10162 int count = end - start; 10163 int contextCount = contextEnd - contextStart; 10164 c.drawTextRun(mChars, start + mStart, count, contextStart + mStart, 10165 contextCount, x, y, isRtl, p); 10166 } 10167 10168 public float measureText(int start, int end, Paint p) { 10169 return p.measureText(mChars, start + mStart, end - start); 10170 } 10171 10172 public int getTextWidths(int start, int end, float[] widths, Paint p) { 10173 return p.getTextWidths(mChars, start + mStart, end - start, widths); 10174 } 10175 10176 public float getTextRunAdvances(int start, int end, int contextStart, 10177 int contextEnd, boolean isRtl, float[] advances, int advancesIndex, 10178 Paint p) { 10179 int count = end - start; 10180 int contextCount = contextEnd - contextStart; 10181 return p.getTextRunAdvances(mChars, start + mStart, count, 10182 contextStart + mStart, contextCount, isRtl, advances, 10183 advancesIndex); 10184 } 10185 10186 public int getTextRunCursor(int contextStart, int contextEnd, int dir, 10187 int offset, int cursorOpt, Paint p) { 10188 int contextCount = contextEnd - contextStart; 10189 return p.getTextRunCursor(mChars, contextStart + mStart, 10190 contextCount, dir, offset + mStart, cursorOpt); 10191 } 10192 } 10193 10194 private static final class Marquee { 10195 // TODO: Add an option to configure this 10196 private static final float MARQUEE_DELTA_MAX = 0.07f; 10197 private static final int MARQUEE_DELAY = 1200; 10198 private static final int MARQUEE_DP_PER_SECOND = 30; 10199 10200 private static final byte MARQUEE_STOPPED = 0x0; 10201 private static final byte MARQUEE_STARTING = 0x1; 10202 private static final byte MARQUEE_RUNNING = 0x2; 10203 10204 private final WeakReference<TextView> mView; 10205 private final Choreographer mChoreographer; 10206 10207 private byte mStatus = MARQUEE_STOPPED; 10208 private final float mPixelsPerSecond; 10209 private float mMaxScroll; 10210 private float mMaxFadeScroll; 10211 private float mGhostStart; 10212 private float mGhostOffset; 10213 private float mFadeStop; 10214 private int mRepeatLimit; 10215 10216 private float mScroll; 10217 private long mLastAnimationMs; 10218 10219 Marquee(TextView v) { 10220 final float density = v.getContext().getResources().getDisplayMetrics().density; 10221 mPixelsPerSecond = MARQUEE_DP_PER_SECOND * density; 10222 mView = new WeakReference<TextView>(v); 10223 mChoreographer = Choreographer.getInstance(); 10224 } 10225 10226 private Choreographer.FrameCallback mTickCallback = new Choreographer.FrameCallback() { 10227 @Override 10228 public void doFrame(long frameTimeNanos) { 10229 tick(); 10230 } 10231 }; 10232 10233 private Choreographer.FrameCallback mStartCallback = new Choreographer.FrameCallback() { 10234 @Override 10235 public void doFrame(long frameTimeNanos) { 10236 mStatus = MARQUEE_RUNNING; 10237 mLastAnimationMs = mChoreographer.getFrameTime(); 10238 tick(); 10239 } 10240 }; 10241 10242 private Choreographer.FrameCallback mRestartCallback = new Choreographer.FrameCallback() { 10243 @Override 10244 public void doFrame(long frameTimeNanos) { 10245 if (mStatus == MARQUEE_RUNNING) { 10246 if (mRepeatLimit >= 0) { 10247 mRepeatLimit--; 10248 } 10249 start(mRepeatLimit); 10250 } 10251 } 10252 }; 10253 10254 void tick() { 10255 if (mStatus != MARQUEE_RUNNING) { 10256 return; 10257 } 10258 10259 mChoreographer.removeFrameCallback(mTickCallback); 10260 10261 final TextView textView = mView.get(); 10262 if (textView != null && (textView.isFocused() || textView.isSelected())) { 10263 long currentMs = mChoreographer.getFrameTime(); 10264 long deltaMs = currentMs - mLastAnimationMs; 10265 mLastAnimationMs = currentMs; 10266 float deltaPx = deltaMs / 1000f * mPixelsPerSecond; 10267 mScroll += deltaPx; 10268 if (mScroll > mMaxScroll) { 10269 mScroll = mMaxScroll; 10270 mChoreographer.postFrameCallbackDelayed(mRestartCallback, MARQUEE_DELAY); 10271 } else { 10272 mChoreographer.postFrameCallback(mTickCallback); 10273 } 10274 textView.invalidate(); 10275 } 10276 } 10277 10278 void stop() { 10279 mStatus = MARQUEE_STOPPED; 10280 mChoreographer.removeFrameCallback(mStartCallback); 10281 mChoreographer.removeFrameCallback(mRestartCallback); 10282 mChoreographer.removeFrameCallback(mTickCallback); 10283 resetScroll(); 10284 } 10285 10286 private void resetScroll() { 10287 mScroll = 0.0f; 10288 final TextView textView = mView.get(); 10289 if (textView != null) textView.invalidate(); 10290 } 10291 10292 void start(int repeatLimit) { 10293 if (repeatLimit == 0) { 10294 stop(); 10295 return; 10296 } 10297 mRepeatLimit = repeatLimit; 10298 final TextView textView = mView.get(); 10299 if (textView != null && textView.mLayout != null) { 10300 mStatus = MARQUEE_STARTING; 10301 mScroll = 0.0f; 10302 final int textWidth = textView.getWidth() - textView.getCompoundPaddingLeft() - 10303 textView.getCompoundPaddingRight(); 10304 final float lineWidth = textView.mLayout.getLineWidth(0); 10305 final float gap = textWidth / 3.0f; 10306 mGhostStart = lineWidth - textWidth + gap; 10307 mMaxScroll = mGhostStart + textWidth; 10308 mGhostOffset = lineWidth + gap; 10309 mFadeStop = lineWidth + textWidth / 6.0f; 10310 mMaxFadeScroll = mGhostStart + lineWidth + lineWidth; 10311 10312 textView.invalidate(); 10313 mChoreographer.postFrameCallback(mStartCallback); 10314 } 10315 } 10316 10317 float getGhostOffset() { 10318 return mGhostOffset; 10319 } 10320 10321 float getScroll() { 10322 return mScroll; 10323 } 10324 10325 float getMaxFadeScroll() { 10326 return mMaxFadeScroll; 10327 } 10328 10329 boolean shouldDrawLeftFade() { 10330 return mScroll <= mFadeStop; 10331 } 10332 10333 boolean shouldDrawGhost() { 10334 return mStatus == MARQUEE_RUNNING && mScroll > mGhostStart; 10335 } 10336 10337 boolean isRunning() { 10338 return mStatus == MARQUEE_RUNNING; 10339 } 10340 10341 boolean isStopped() { 10342 return mStatus == MARQUEE_STOPPED; 10343 } 10344 } 10345 10346 private class ChangeWatcher implements TextWatcher, SpanWatcher { 10347 10348 private CharSequence mBeforeText; 10349 10350 public void beforeTextChanged(CharSequence buffer, int start, 10351 int before, int after) { 10352 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "beforeTextChanged start=" + start 10353 + " before=" + before + " after=" + after + ": " + buffer); 10354 10355 if (AccessibilityManager.getInstance(mContext).isEnabled() 10356 && ((!isPasswordInputType(getInputType()) && !hasPasswordTransformationMethod()) 10357 || shouldSpeakPasswordsForAccessibility())) { 10358 mBeforeText = buffer.toString(); 10359 } 10360 10361 TextView.this.sendBeforeTextChanged(buffer, start, before, after); 10362 } 10363 10364 public void onTextChanged(CharSequence buffer, int start, int before, int after) { 10365 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onTextChanged start=" + start 10366 + " before=" + before + " after=" + after + ": " + buffer); 10367 TextView.this.handleTextChanged(buffer, start, before, after); 10368 10369 if (AccessibilityManager.getInstance(mContext).isEnabled() && 10370 (isFocused() || isSelected() && isShown())) { 10371 sendAccessibilityEventTypeViewTextChanged(mBeforeText, start, before, after); 10372 mBeforeText = null; 10373 } 10374 } 10375 10376 public void afterTextChanged(Editable buffer) { 10377 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "afterTextChanged: " + buffer); 10378 TextView.this.sendAfterTextChanged(buffer); 10379 10380 if (MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0) { 10381 MetaKeyKeyListener.stopSelecting(TextView.this, buffer); 10382 } 10383 } 10384 10385 public void onSpanChanged(Spannable buf, Object what, int s, int e, int st, int en) { 10386 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanChanged s=" + s + " e=" + e 10387 + " st=" + st + " en=" + en + " what=" + what + ": " + buf); 10388 TextView.this.spanChange(buf, what, s, st, e, en); 10389 } 10390 10391 public void onSpanAdded(Spannable buf, Object what, int s, int e) { 10392 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanAdded s=" + s + " e=" + e 10393 + " what=" + what + ": " + buf); 10394 TextView.this.spanChange(buf, what, -1, s, -1, e); 10395 } 10396 10397 public void onSpanRemoved(Spannable buf, Object what, int s, int e) { 10398 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanRemoved s=" + s + " e=" + e 10399 + " what=" + what + ": " + buf); 10400 TextView.this.spanChange(buf, what, s, -1, e, -1); 10401 } 10402 } 10403 } 10404
