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