TextView.java revision 0923b063c41d559cc906ba40022ccb6cd4c3e5b1
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 17package android.widget; 18 19import static android.os.Build.VERSION_CODES.JELLY_BEAN_MR1; 20 21import android.R; 22import android.annotation.ColorInt; 23import android.annotation.DrawableRes; 24import android.annotation.FloatRange; 25import android.annotation.NonNull; 26import android.annotation.Nullable; 27import android.annotation.Size; 28import android.annotation.StringRes; 29import android.annotation.StyleRes; 30import android.annotation.XmlRes; 31import android.app.Activity; 32import android.app.assist.AssistStructure; 33import android.content.ClipData; 34import android.content.ClipboardManager; 35import android.content.Context; 36import android.content.Intent; 37import android.content.UndoManager; 38import android.content.res.ColorStateList; 39import android.content.res.CompatibilityInfo; 40import android.content.res.Configuration; 41import android.content.res.Resources; 42import android.content.res.TypedArray; 43import android.content.res.XmlResourceParser; 44import android.graphics.Canvas; 45import android.graphics.Insets; 46import android.graphics.Paint; 47import android.graphics.Path; 48import android.graphics.PorterDuff; 49import android.graphics.Rect; 50import android.graphics.RectF; 51import android.graphics.Typeface; 52import android.graphics.drawable.Drawable; 53import android.os.AsyncTask; 54import android.os.Bundle; 55import android.os.LocaleList; 56import android.os.Parcel; 57import android.os.Parcelable; 58import android.os.ParcelableParcel; 59import android.os.SystemClock; 60import android.os.UserHandle; 61import android.provider.Settings; 62import android.text.BoringLayout; 63import android.text.DynamicLayout; 64import android.text.Editable; 65import android.text.GetChars; 66import android.text.GraphicsOperations; 67import android.text.InputFilter; 68import android.text.InputType; 69import android.text.Layout; 70import android.text.ParcelableSpan; 71import android.text.Selection; 72import android.text.SpanWatcher; 73import android.text.Spannable; 74import android.text.SpannableString; 75import android.text.SpannableStringBuilder; 76import android.text.Spanned; 77import android.text.SpannedString; 78import android.text.StaticLayout; 79import android.text.TextDirectionHeuristic; 80import android.text.TextDirectionHeuristics; 81import android.text.TextPaint; 82import android.text.TextUtils; 83import android.text.TextUtils.TruncateAt; 84import android.text.TextWatcher; 85import android.text.method.AllCapsTransformationMethod; 86import android.text.method.ArrowKeyMovementMethod; 87import android.text.method.DateKeyListener; 88import android.text.method.DateTimeKeyListener; 89import android.text.method.DialerKeyListener; 90import android.text.method.DigitsKeyListener; 91import android.text.method.KeyListener; 92import android.text.method.LinkMovementMethod; 93import android.text.method.MetaKeyKeyListener; 94import android.text.method.MovementMethod; 95import android.text.method.PasswordTransformationMethod; 96import android.text.method.SingleLineTransformationMethod; 97import android.text.method.TextKeyListener; 98import android.text.method.TimeKeyListener; 99import android.text.method.TransformationMethod; 100import android.text.method.TransformationMethod2; 101import android.text.method.WordIterator; 102import android.text.style.CharacterStyle; 103import android.text.style.ClickableSpan; 104import android.text.style.ParagraphStyle; 105import android.text.style.SpellCheckSpan; 106import android.text.style.SuggestionSpan; 107import android.text.style.URLSpan; 108import android.text.style.UpdateAppearance; 109import android.text.util.Linkify; 110import android.util.AttributeSet; 111import android.util.Log; 112import android.util.TypedValue; 113import android.view.AccessibilityIterators.TextSegmentIterator; 114import android.view.ActionMode; 115import android.view.Choreographer; 116import android.view.ContextMenu; 117import android.view.DragEvent; 118import android.view.Gravity; 119import android.view.HapticFeedbackConstants; 120import android.view.KeyCharacterMap; 121import android.view.KeyEvent; 122import android.view.MotionEvent; 123import android.view.PointerIcon; 124import android.view.View; 125import android.view.ViewConfiguration; 126import android.view.ViewDebug; 127import android.view.ViewGroup.LayoutParams; 128import android.view.ViewHierarchyEncoder; 129import android.view.ViewParent; 130import android.view.ViewRootImpl; 131import android.view.ViewStructure; 132import android.view.ViewTreeObserver; 133import android.view.accessibility.AccessibilityEvent; 134import android.view.accessibility.AccessibilityManager; 135import android.view.accessibility.AccessibilityNodeInfo; 136import android.view.animation.AnimationUtils; 137import android.view.inputmethod.BaseInputConnection; 138import android.view.inputmethod.CompletionInfo; 139import android.view.inputmethod.CorrectionInfo; 140import android.view.inputmethod.EditorInfo; 141import android.view.inputmethod.ExtractedText; 142import android.view.inputmethod.ExtractedTextRequest; 143import android.view.inputmethod.InputConnection; 144import android.view.inputmethod.InputMethodManager; 145import android.view.textservice.SpellCheckerSubtype; 146import android.view.textservice.TextServicesManager; 147import android.widget.RemoteViews.RemoteView; 148 149import com.android.internal.annotations.VisibleForTesting; 150import com.android.internal.util.FastMath; 151import com.android.internal.widget.EditableInputConnection; 152 153import org.xmlpull.v1.XmlPullParserException; 154 155import java.io.IOException; 156import java.lang.ref.WeakReference; 157import java.util.ArrayList; 158import java.util.Locale; 159 160/** 161 * Displays text to the user and optionally allows them to edit it. A TextView 162 * is a complete text editor, however the basic class is configured to not 163 * allow editing; see {@link EditText} for a subclass that configures the text 164 * view for editing. 165 * 166 * <p> 167 * To allow users to copy some or all of the TextView's value and paste it somewhere else, set the 168 * XML attribute {@link android.R.styleable#TextView_textIsSelectable 169 * android:textIsSelectable} to "true" or call 170 * {@link #setTextIsSelectable setTextIsSelectable(true)}. The {@code textIsSelectable} flag 171 * allows users to make selection gestures in the TextView, which in turn triggers the system's 172 * built-in copy/paste controls. 173 * <p> 174 * <b>XML attributes</b> 175 * <p> 176 * See {@link android.R.styleable#TextView TextView Attributes}, 177 * {@link android.R.styleable#View View Attributes} 178 * 179 * @attr ref android.R.styleable#TextView_text 180 * @attr ref android.R.styleable#TextView_bufferType 181 * @attr ref android.R.styleable#TextView_hint 182 * @attr ref android.R.styleable#TextView_textColor 183 * @attr ref android.R.styleable#TextView_textColorHighlight 184 * @attr ref android.R.styleable#TextView_textColorHint 185 * @attr ref android.R.styleable#TextView_textAppearance 186 * @attr ref android.R.styleable#TextView_textColorLink 187 * @attr ref android.R.styleable#TextView_textSize 188 * @attr ref android.R.styleable#TextView_textScaleX 189 * @attr ref android.R.styleable#TextView_fontFamily 190 * @attr ref android.R.styleable#TextView_typeface 191 * @attr ref android.R.styleable#TextView_textStyle 192 * @attr ref android.R.styleable#TextView_cursorVisible 193 * @attr ref android.R.styleable#TextView_maxLines 194 * @attr ref android.R.styleable#TextView_maxHeight 195 * @attr ref android.R.styleable#TextView_lines 196 * @attr ref android.R.styleable#TextView_height 197 * @attr ref android.R.styleable#TextView_minLines 198 * @attr ref android.R.styleable#TextView_minHeight 199 * @attr ref android.R.styleable#TextView_maxEms 200 * @attr ref android.R.styleable#TextView_maxWidth 201 * @attr ref android.R.styleable#TextView_ems 202 * @attr ref android.R.styleable#TextView_width 203 * @attr ref android.R.styleable#TextView_minEms 204 * @attr ref android.R.styleable#TextView_minWidth 205 * @attr ref android.R.styleable#TextView_gravity 206 * @attr ref android.R.styleable#TextView_scrollHorizontally 207 * @attr ref android.R.styleable#TextView_password 208 * @attr ref android.R.styleable#TextView_singleLine 209 * @attr ref android.R.styleable#TextView_selectAllOnFocus 210 * @attr ref android.R.styleable#TextView_includeFontPadding 211 * @attr ref android.R.styleable#TextView_maxLength 212 * @attr ref android.R.styleable#TextView_shadowColor 213 * @attr ref android.R.styleable#TextView_shadowDx 214 * @attr ref android.R.styleable#TextView_shadowDy 215 * @attr ref android.R.styleable#TextView_shadowRadius 216 * @attr ref android.R.styleable#TextView_autoLink 217 * @attr ref android.R.styleable#TextView_linksClickable 218 * @attr ref android.R.styleable#TextView_numeric 219 * @attr ref android.R.styleable#TextView_digits 220 * @attr ref android.R.styleable#TextView_phoneNumber 221 * @attr ref android.R.styleable#TextView_inputMethod 222 * @attr ref android.R.styleable#TextView_capitalize 223 * @attr ref android.R.styleable#TextView_autoText 224 * @attr ref android.R.styleable#TextView_editable 225 * @attr ref android.R.styleable#TextView_freezesText 226 * @attr ref android.R.styleable#TextView_ellipsize 227 * @attr ref android.R.styleable#TextView_drawableTop 228 * @attr ref android.R.styleable#TextView_drawableBottom 229 * @attr ref android.R.styleable#TextView_drawableRight 230 * @attr ref android.R.styleable#TextView_drawableLeft 231 * @attr ref android.R.styleable#TextView_drawableStart 232 * @attr ref android.R.styleable#TextView_drawableEnd 233 * @attr ref android.R.styleable#TextView_drawablePadding 234 * @attr ref android.R.styleable#TextView_drawableTint 235 * @attr ref android.R.styleable#TextView_drawableTintMode 236 * @attr ref android.R.styleable#TextView_lineSpacingExtra 237 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 238 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 239 * @attr ref android.R.styleable#TextView_inputType 240 * @attr ref android.R.styleable#TextView_imeOptions 241 * @attr ref android.R.styleable#TextView_privateImeOptions 242 * @attr ref android.R.styleable#TextView_imeActionLabel 243 * @attr ref android.R.styleable#TextView_imeActionId 244 * @attr ref android.R.styleable#TextView_editorExtras 245 * @attr ref android.R.styleable#TextView_elegantTextHeight 246 * @attr ref android.R.styleable#TextView_letterSpacing 247 * @attr ref android.R.styleable#TextView_fontFeatureSettings 248 * @attr ref android.R.styleable#TextView_breakStrategy 249 * @attr ref android.R.styleable#TextView_hyphenationFrequency 250 */ 251@RemoteView 252public class TextView extends View implements ViewTreeObserver.OnPreDrawListener { 253 static final String LOG_TAG = "TextView"; 254 static final boolean DEBUG_EXTRACT = false; 255 256 // Enum for the "typeface" XML parameter. 257 // TODO: How can we get this from the XML instead of hardcoding it here? 258 private static final int SANS = 1; 259 private static final int SERIF = 2; 260 private static final int MONOSPACE = 3; 261 262 // Bitfield for the "numeric" XML parameter. 263 // TODO: How can we get this from the XML instead of hardcoding it here? 264 private static final int SIGNED = 2; 265 private static final int DECIMAL = 4; 266 267 /** 268 * Draw marquee text with fading edges as usual 269 */ 270 private static final int MARQUEE_FADE_NORMAL = 0; 271 272 /** 273 * Draw marquee text as ellipsize end while inactive instead of with the fade. 274 * (Useful for devices where the fade can be expensive if overdone) 275 */ 276 private static final int MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS = 1; 277 278 /** 279 * Draw marquee text with fading edges because it is currently active/animating. 280 */ 281 private static final int MARQUEE_FADE_SWITCH_SHOW_FADE = 2; 282 283 private static final int LINES = 1; 284 private static final int EMS = LINES; 285 private static final int PIXELS = 2; 286 287 private static final RectF TEMP_RECTF = new RectF(); 288 289 /** @hide */ 290 static final int VERY_WIDE = 1024 * 1024; // XXX should be much larger 291 private static final int ANIMATED_SCROLL_GAP = 250; 292 293 private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 294 private static final Spanned EMPTY_SPANNED = new SpannedString(""); 295 296 private static final int CHANGE_WATCHER_PRIORITY = 100; 297 298 // New state used to change background based on whether this TextView is multiline. 299 private static final int[] MULTILINE_STATE_SET = { R.attr.state_multiline }; 300 301 // Accessibility action to share selected text. 302 private static final int ACCESSIBILITY_ACTION_SHARE = 0x10000000; 303 304 /** 305 * @hide 306 */ 307 // Accessibility action start id for "process text" actions. 308 static final int ACCESSIBILITY_ACTION_PROCESS_TEXT_START_ID = 0x10000100; 309 310 /** 311 * @hide 312 */ 313 static final int PROCESS_TEXT_REQUEST_CODE = 100; 314 315 /** 316 * Return code of {@link #doKeyDown}. 317 */ 318 private static final int KEY_EVENT_NOT_HANDLED = 0; 319 private static final int KEY_EVENT_HANDLED = -1; 320 private static final int KEY_DOWN_HANDLED_BY_KEY_LISTENER = 1; 321 private static final int KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD = 2; 322 323 // System wide time for last cut, copy or text changed action. 324 static long sLastCutCopyOrTextChangedTime; 325 326 private ColorStateList mTextColor; 327 private ColorStateList mHintTextColor; 328 private ColorStateList mLinkTextColor; 329 @ViewDebug.ExportedProperty(category = "text") 330 private int mCurTextColor; 331 private int mCurHintTextColor; 332 private boolean mFreezesText; 333 334 private Editable.Factory mEditableFactory = Editable.Factory.getInstance(); 335 private Spannable.Factory mSpannableFactory = Spannable.Factory.getInstance(); 336 337 private float mShadowRadius, mShadowDx, mShadowDy; 338 private int mShadowColor; 339 340 private boolean mPreDrawRegistered; 341 private boolean mPreDrawListenerDetached; 342 343 // A flag to prevent repeated movements from escaping the enclosing text view. The idea here is 344 // that if a user is holding down a movement key to traverse text, we shouldn't also traverse 345 // the view hierarchy. On the other hand, if the user is using the movement key to traverse views 346 // (i.e. the first movement was to traverse out of this view, or this view was traversed into by 347 // the user holding the movement key down) then we shouldn't prevent the focus from changing. 348 private boolean mPreventDefaultMovement; 349 350 private TextUtils.TruncateAt mEllipsize; 351 352 static class Drawables { 353 static final int LEFT = 0; 354 static final int TOP = 1; 355 static final int RIGHT = 2; 356 static final int BOTTOM = 3; 357 358 static final int DRAWABLE_NONE = -1; 359 static final int DRAWABLE_RIGHT = 0; 360 static final int DRAWABLE_LEFT = 1; 361 362 final Rect mCompoundRect = new Rect(); 363 364 final Drawable[] mShowing = new Drawable[4]; 365 366 ColorStateList mTintList; 367 PorterDuff.Mode mTintMode; 368 boolean mHasTint; 369 boolean mHasTintMode; 370 371 Drawable mDrawableStart, mDrawableEnd, mDrawableError, mDrawableTemp; 372 Drawable mDrawableLeftInitial, mDrawableRightInitial; 373 374 boolean mIsRtlCompatibilityMode; 375 boolean mOverride; 376 377 int mDrawableSizeTop, mDrawableSizeBottom, mDrawableSizeLeft, mDrawableSizeRight, 378 mDrawableSizeStart, mDrawableSizeEnd, mDrawableSizeError, mDrawableSizeTemp; 379 380 int mDrawableWidthTop, mDrawableWidthBottom, mDrawableHeightLeft, mDrawableHeightRight, 381 mDrawableHeightStart, mDrawableHeightEnd, mDrawableHeightError, mDrawableHeightTemp; 382 383 int mDrawablePadding; 384 385 int mDrawableSaved = DRAWABLE_NONE; 386 387 public Drawables(Context context) { 388 final int targetSdkVersion = context.getApplicationInfo().targetSdkVersion; 389 mIsRtlCompatibilityMode = (targetSdkVersion < JELLY_BEAN_MR1 || 390 !context.getApplicationInfo().hasRtlSupport()); 391 mOverride = false; 392 } 393 394 /** 395 * @return {@code true} if this object contains metadata that needs to 396 * be retained, {@code false} otherwise 397 */ 398 public boolean hasMetadata() { 399 return mDrawablePadding != 0 || mHasTintMode || mHasTint; 400 } 401 402 /** 403 * Updates the list of displayed drawables to account for the current 404 * layout direction. 405 * 406 * @param layoutDirection the current layout direction 407 * @return {@code true} if the displayed drawables changed 408 */ 409 public boolean resolveWithLayoutDirection(int layoutDirection) { 410 final Drawable previousLeft = mShowing[Drawables.LEFT]; 411 final Drawable previousRight = mShowing[Drawables.RIGHT]; 412 413 // First reset "left" and "right" drawables to their initial values 414 mShowing[Drawables.LEFT] = mDrawableLeftInitial; 415 mShowing[Drawables.RIGHT] = mDrawableRightInitial; 416 417 if (mIsRtlCompatibilityMode) { 418 // Use "start" drawable as "left" drawable if the "left" drawable was not defined 419 if (mDrawableStart != null && mShowing[Drawables.LEFT] == null) { 420 mShowing[Drawables.LEFT] = mDrawableStart; 421 mDrawableSizeLeft = mDrawableSizeStart; 422 mDrawableHeightLeft = mDrawableHeightStart; 423 } 424 // Use "end" drawable as "right" drawable if the "right" drawable was not defined 425 if (mDrawableEnd != null && mShowing[Drawables.RIGHT] == null) { 426 mShowing[Drawables.RIGHT] = mDrawableEnd; 427 mDrawableSizeRight = mDrawableSizeEnd; 428 mDrawableHeightRight = mDrawableHeightEnd; 429 } 430 } else { 431 // JB-MR1+ normal case: "start" / "end" drawables are overriding "left" / "right" 432 // drawable if and only if they have been defined 433 switch(layoutDirection) { 434 case LAYOUT_DIRECTION_RTL: 435 if (mOverride) { 436 mShowing[Drawables.RIGHT] = mDrawableStart; 437 mDrawableSizeRight = mDrawableSizeStart; 438 mDrawableHeightRight = mDrawableHeightStart; 439 440 mShowing[Drawables.LEFT] = mDrawableEnd; 441 mDrawableSizeLeft = mDrawableSizeEnd; 442 mDrawableHeightLeft = mDrawableHeightEnd; 443 } 444 break; 445 446 case LAYOUT_DIRECTION_LTR: 447 default: 448 if (mOverride) { 449 mShowing[Drawables.LEFT] = mDrawableStart; 450 mDrawableSizeLeft = mDrawableSizeStart; 451 mDrawableHeightLeft = mDrawableHeightStart; 452 453 mShowing[Drawables.RIGHT] = mDrawableEnd; 454 mDrawableSizeRight = mDrawableSizeEnd; 455 mDrawableHeightRight = mDrawableHeightEnd; 456 } 457 break; 458 } 459 } 460 461 applyErrorDrawableIfNeeded(layoutDirection); 462 463 return mShowing[Drawables.LEFT] != previousLeft 464 || mShowing[Drawables.RIGHT] != previousRight; 465 } 466 467 public void setErrorDrawable(Drawable dr, TextView tv) { 468 if (mDrawableError != dr && mDrawableError != null) { 469 mDrawableError.setCallback(null); 470 } 471 mDrawableError = dr; 472 473 if (mDrawableError != null) { 474 final Rect compoundRect = mCompoundRect; 475 final int[] state = tv.getDrawableState(); 476 477 mDrawableError.setState(state); 478 mDrawableError.copyBounds(compoundRect); 479 mDrawableError.setCallback(tv); 480 mDrawableSizeError = compoundRect.width(); 481 mDrawableHeightError = compoundRect.height(); 482 } else { 483 mDrawableSizeError = mDrawableHeightError = 0; 484 } 485 } 486 487 private void applyErrorDrawableIfNeeded(int layoutDirection) { 488 // first restore the initial state if needed 489 switch (mDrawableSaved) { 490 case DRAWABLE_LEFT: 491 mShowing[Drawables.LEFT] = mDrawableTemp; 492 mDrawableSizeLeft = mDrawableSizeTemp; 493 mDrawableHeightLeft = mDrawableHeightTemp; 494 break; 495 case DRAWABLE_RIGHT: 496 mShowing[Drawables.RIGHT] = mDrawableTemp; 497 mDrawableSizeRight = mDrawableSizeTemp; 498 mDrawableHeightRight = mDrawableHeightTemp; 499 break; 500 case DRAWABLE_NONE: 501 default: 502 } 503 // then, if needed, assign the Error drawable to the correct location 504 if (mDrawableError != null) { 505 switch(layoutDirection) { 506 case LAYOUT_DIRECTION_RTL: 507 mDrawableSaved = DRAWABLE_LEFT; 508 509 mDrawableTemp = mShowing[Drawables.LEFT]; 510 mDrawableSizeTemp = mDrawableSizeLeft; 511 mDrawableHeightTemp = mDrawableHeightLeft; 512 513 mShowing[Drawables.LEFT] = mDrawableError; 514 mDrawableSizeLeft = mDrawableSizeError; 515 mDrawableHeightLeft = mDrawableHeightError; 516 break; 517 case LAYOUT_DIRECTION_LTR: 518 default: 519 mDrawableSaved = DRAWABLE_RIGHT; 520 521 mDrawableTemp = mShowing[Drawables.RIGHT]; 522 mDrawableSizeTemp = mDrawableSizeRight; 523 mDrawableHeightTemp = mDrawableHeightRight; 524 525 mShowing[Drawables.RIGHT] = mDrawableError; 526 mDrawableSizeRight = mDrawableSizeError; 527 mDrawableHeightRight = mDrawableHeightError; 528 break; 529 } 530 } 531 } 532 } 533 534 Drawables mDrawables; 535 536 private CharWrapper mCharWrapper; 537 538 private Marquee mMarquee; 539 private boolean mRestartMarquee; 540 541 private int mMarqueeRepeatLimit = 3; 542 543 private int mLastLayoutDirection = -1; 544 545 /** 546 * On some devices the fading edges add a performance penalty if used 547 * extensively in the same layout. This mode indicates how the marquee 548 * is currently being shown, if applicable. (mEllipsize will == MARQUEE) 549 */ 550 private int mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 551 552 /** 553 * When mMarqueeFadeMode is not MARQUEE_FADE_NORMAL, this stores 554 * the layout that should be used when the mode switches. 555 */ 556 private Layout mSavedMarqueeModeLayout; 557 558 @ViewDebug.ExportedProperty(category = "text") 559 private CharSequence mText; 560 private CharSequence mTransformed; 561 private BufferType mBufferType = BufferType.NORMAL; 562 563 private CharSequence mHint; 564 private Layout mHintLayout; 565 566 private MovementMethod mMovement; 567 568 private TransformationMethod mTransformation; 569 private boolean mAllowTransformationLengthChange; 570 private ChangeWatcher mChangeWatcher; 571 572 private ArrayList<TextWatcher> mListeners; 573 574 // display attributes 575 private final TextPaint mTextPaint; 576 private boolean mUserSetTextScaleX; 577 private Layout mLayout; 578 private boolean mLocalesChanged = false; 579 580 @ViewDebug.ExportedProperty(category = "text") 581 private int mGravity = Gravity.TOP | Gravity.START; 582 private boolean mHorizontallyScrolling; 583 584 private int mAutoLinkMask; 585 private boolean mLinksClickable = true; 586 587 private float mSpacingMult = 1.0f; 588 private float mSpacingAdd = 0.0f; 589 590 private int mBreakStrategy; 591 private int mHyphenationFrequency; 592 593 private int mMaximum = Integer.MAX_VALUE; 594 private int mMaxMode = LINES; 595 private int mMinimum = 0; 596 private int mMinMode = LINES; 597 598 private int mOldMaximum = mMaximum; 599 private int mOldMaxMode = mMaxMode; 600 601 private int mMaxWidth = Integer.MAX_VALUE; 602 private int mMaxWidthMode = PIXELS; 603 private int mMinWidth = 0; 604 private int mMinWidthMode = PIXELS; 605 606 private boolean mSingleLine; 607 private int mDesiredHeightAtMeasure = -1; 608 private boolean mIncludePad = true; 609 private int mDeferScroll = -1; 610 611 // tmp primitives, so we don't alloc them on each draw 612 private Rect mTempRect; 613 private long mLastScroll; 614 private Scroller mScroller; 615 616 private BoringLayout.Metrics mBoring, mHintBoring; 617 private BoringLayout mSavedLayout, mSavedHintLayout; 618 619 private TextDirectionHeuristic mTextDir; 620 621 private InputFilter[] mFilters = NO_FILTERS; 622 623 private volatile Locale mCurrentSpellCheckerLocaleCache; 624 625 // It is possible to have a selection even when mEditor is null (programmatically set, like when 626 // a link is pressed). These highlight-related fields do not go in mEditor. 627 int mHighlightColor = 0x6633B5E5; 628 private Path mHighlightPath; 629 private final Paint mHighlightPaint; 630 private boolean mHighlightPathBogus = true; 631 632 // Although these fields are specific to editable text, they are not added to Editor because 633 // they are defined by the TextView's style and are theme-dependent. 634 int mCursorDrawableRes; 635 // These six fields, could be moved to Editor, since we know their default values and we 636 // could condition the creation of the Editor to a non standard value. This is however 637 // brittle since the hardcoded values here (such as 638 // com.android.internal.R.drawable.text_select_handle_left) would have to be updated if the 639 // default style is modified. 640 int mTextSelectHandleLeftRes; 641 int mTextSelectHandleRightRes; 642 int mTextSelectHandleRes; 643 int mTextEditSuggestionItemLayout; 644 int mTextEditSuggestionContainerLayout; 645 int mTextEditSuggestionHighlightStyle; 646 647 /** 648 * EditText specific data, created on demand when one of the Editor fields is used. 649 * See {@link #createEditorIfNeeded()}. 650 */ 651 private Editor mEditor; 652 653 private static final int DEVICE_PROVISIONED_UNKNOWN = 0; 654 private static final int DEVICE_PROVISIONED_NO = 1; 655 private static final int DEVICE_PROVISIONED_YES = 2; 656 657 /** 658 * Some special options such as sharing selected text should only be shown if the device 659 * is provisioned. Only check the provisioned state once for a given view instance. 660 */ 661 private int mDeviceProvisionedState = DEVICE_PROVISIONED_UNKNOWN; 662 663 /** 664 * Kick-start the font cache for the zygote process (to pay the cost of 665 * initializing freetype for our default font only once). 666 * @hide 667 */ 668 public static void preloadFontCache() { 669 Paint p = new Paint(); 670 p.setAntiAlias(true); 671 // We don't care about the result, just the side-effect of measuring. 672 p.measureText("H"); 673 } 674 675 /** 676 * Interface definition for a callback to be invoked when an action is 677 * performed on the editor. 678 */ 679 public interface OnEditorActionListener { 680 /** 681 * Called when an action is being performed. 682 * 683 * @param v The view that was clicked. 684 * @param actionId Identifier of the action. This will be either the 685 * identifier you supplied, or {@link EditorInfo#IME_NULL 686 * EditorInfo.IME_NULL} if being called due to the enter key 687 * being pressed. 688 * @param event If triggered by an enter key, this is the event; 689 * otherwise, this is null. 690 * @return Return true if you have consumed the action, else false. 691 */ 692 boolean onEditorAction(TextView v, int actionId, KeyEvent event); 693 } 694 695 public TextView(Context context) { 696 this(context, null); 697 } 698 699 public TextView(Context context, @Nullable AttributeSet attrs) { 700 this(context, attrs, com.android.internal.R.attr.textViewStyle); 701 } 702 703 public TextView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { 704 this(context, attrs, defStyleAttr, 0); 705 } 706 707 @SuppressWarnings("deprecation") 708 public TextView( 709 Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) { 710 super(context, attrs, defStyleAttr, defStyleRes); 711 712 mText = ""; 713 714 final Resources res = getResources(); 715 final CompatibilityInfo compat = res.getCompatibilityInfo(); 716 717 mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); 718 mTextPaint.density = res.getDisplayMetrics().density; 719 mTextPaint.setCompatibilityScaling(compat.applicationScale); 720 721 mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 722 mHighlightPaint.setCompatibilityScaling(compat.applicationScale); 723 724 mMovement = getDefaultMovementMethod(); 725 726 mTransformation = null; 727 728 int textColorHighlight = 0; 729 ColorStateList textColor = null; 730 ColorStateList textColorHint = null; 731 ColorStateList textColorLink = null; 732 int textSize = 15; 733 String fontFamily = null; 734 boolean fontFamilyExplicit = false; 735 int typefaceIndex = -1; 736 int styleIndex = -1; 737 boolean allCaps = false; 738 int shadowcolor = 0; 739 float dx = 0, dy = 0, r = 0; 740 boolean elegant = false; 741 float letterSpacing = 0; 742 String fontFeatureSettings = null; 743 mBreakStrategy = Layout.BREAK_STRATEGY_SIMPLE; 744 mHyphenationFrequency = Layout.HYPHENATION_FREQUENCY_NONE; 745 746 final Resources.Theme theme = context.getTheme(); 747 748 /* 749 * Look the appearance up without checking first if it exists because 750 * almost every TextView has one and it greatly simplifies the logic 751 * to be able to parse the appearance first and then let specific tags 752 * for this View override it. 753 */ 754 TypedArray a = theme.obtainStyledAttributes(attrs, 755 com.android.internal.R.styleable.TextViewAppearance, defStyleAttr, defStyleRes); 756 TypedArray appearance = null; 757 int ap = a.getResourceId( 758 com.android.internal.R.styleable.TextViewAppearance_textAppearance, -1); 759 a.recycle(); 760 if (ap != -1) { 761 appearance = theme.obtainStyledAttributes( 762 ap, com.android.internal.R.styleable.TextAppearance); 763 } 764 if (appearance != null) { 765 int n = appearance.getIndexCount(); 766 for (int i = 0; i < n; i++) { 767 int attr = appearance.getIndex(i); 768 769 switch (attr) { 770 case com.android.internal.R.styleable.TextAppearance_textColorHighlight: 771 textColorHighlight = appearance.getColor(attr, textColorHighlight); 772 break; 773 774 case com.android.internal.R.styleable.TextAppearance_textColor: 775 textColor = appearance.getColorStateList(attr); 776 break; 777 778 case com.android.internal.R.styleable.TextAppearance_textColorHint: 779 textColorHint = appearance.getColorStateList(attr); 780 break; 781 782 case com.android.internal.R.styleable.TextAppearance_textColorLink: 783 textColorLink = appearance.getColorStateList(attr); 784 break; 785 786 case com.android.internal.R.styleable.TextAppearance_textSize: 787 textSize = appearance.getDimensionPixelSize(attr, textSize); 788 break; 789 790 case com.android.internal.R.styleable.TextAppearance_typeface: 791 typefaceIndex = appearance.getInt(attr, -1); 792 break; 793 794 case com.android.internal.R.styleable.TextAppearance_fontFamily: 795 fontFamily = appearance.getString(attr); 796 break; 797 798 case com.android.internal.R.styleable.TextAppearance_textStyle: 799 styleIndex = appearance.getInt(attr, -1); 800 break; 801 802 case com.android.internal.R.styleable.TextAppearance_textAllCaps: 803 allCaps = appearance.getBoolean(attr, false); 804 break; 805 806 case com.android.internal.R.styleable.TextAppearance_shadowColor: 807 shadowcolor = appearance.getInt(attr, 0); 808 break; 809 810 case com.android.internal.R.styleable.TextAppearance_shadowDx: 811 dx = appearance.getFloat(attr, 0); 812 break; 813 814 case com.android.internal.R.styleable.TextAppearance_shadowDy: 815 dy = appearance.getFloat(attr, 0); 816 break; 817 818 case com.android.internal.R.styleable.TextAppearance_shadowRadius: 819 r = appearance.getFloat(attr, 0); 820 break; 821 822 case com.android.internal.R.styleable.TextAppearance_elegantTextHeight: 823 elegant = appearance.getBoolean(attr, false); 824 break; 825 826 case com.android.internal.R.styleable.TextAppearance_letterSpacing: 827 letterSpacing = appearance.getFloat(attr, 0); 828 break; 829 830 case com.android.internal.R.styleable.TextAppearance_fontFeatureSettings: 831 fontFeatureSettings = appearance.getString(attr); 832 break; 833 } 834 } 835 836 appearance.recycle(); 837 } 838 839 boolean editable = getDefaultEditable(); 840 CharSequence inputMethod = null; 841 int numeric = 0; 842 CharSequence digits = null; 843 boolean phone = false; 844 boolean autotext = false; 845 int autocap = -1; 846 int buffertype = 0; 847 boolean selectallonfocus = false; 848 Drawable drawableLeft = null, drawableTop = null, drawableRight = null, 849 drawableBottom = null, drawableStart = null, drawableEnd = null; 850 ColorStateList drawableTint = null; 851 PorterDuff.Mode drawableTintMode = null; 852 int drawablePadding = 0; 853 int ellipsize = -1; 854 boolean singleLine = false; 855 int maxlength = -1; 856 CharSequence text = ""; 857 CharSequence hint = null; 858 boolean password = false; 859 int inputType = EditorInfo.TYPE_NULL; 860 861 a = theme.obtainStyledAttributes( 862 attrs, com.android.internal.R.styleable.TextView, defStyleAttr, defStyleRes); 863 864 int n = a.getIndexCount(); 865 for (int i = 0; i < n; i++) { 866 int attr = a.getIndex(i); 867 868 switch (attr) { 869 case com.android.internal.R.styleable.TextView_editable: 870 editable = a.getBoolean(attr, editable); 871 break; 872 873 case com.android.internal.R.styleable.TextView_inputMethod: 874 inputMethod = a.getText(attr); 875 break; 876 877 case com.android.internal.R.styleable.TextView_numeric: 878 numeric = a.getInt(attr, numeric); 879 break; 880 881 case com.android.internal.R.styleable.TextView_digits: 882 digits = a.getText(attr); 883 break; 884 885 case com.android.internal.R.styleable.TextView_phoneNumber: 886 phone = a.getBoolean(attr, phone); 887 break; 888 889 case com.android.internal.R.styleable.TextView_autoText: 890 autotext = a.getBoolean(attr, autotext); 891 break; 892 893 case com.android.internal.R.styleable.TextView_capitalize: 894 autocap = a.getInt(attr, autocap); 895 break; 896 897 case com.android.internal.R.styleable.TextView_bufferType: 898 buffertype = a.getInt(attr, buffertype); 899 break; 900 901 case com.android.internal.R.styleable.TextView_selectAllOnFocus: 902 selectallonfocus = a.getBoolean(attr, selectallonfocus); 903 break; 904 905 case com.android.internal.R.styleable.TextView_autoLink: 906 mAutoLinkMask = a.getInt(attr, 0); 907 break; 908 909 case com.android.internal.R.styleable.TextView_linksClickable: 910 mLinksClickable = a.getBoolean(attr, true); 911 break; 912 913 case com.android.internal.R.styleable.TextView_drawableLeft: 914 drawableLeft = a.getDrawable(attr); 915 break; 916 917 case com.android.internal.R.styleable.TextView_drawableTop: 918 drawableTop = a.getDrawable(attr); 919 break; 920 921 case com.android.internal.R.styleable.TextView_drawableRight: 922 drawableRight = a.getDrawable(attr); 923 break; 924 925 case com.android.internal.R.styleable.TextView_drawableBottom: 926 drawableBottom = a.getDrawable(attr); 927 break; 928 929 case com.android.internal.R.styleable.TextView_drawableStart: 930 drawableStart = a.getDrawable(attr); 931 break; 932 933 case com.android.internal.R.styleable.TextView_drawableEnd: 934 drawableEnd = a.getDrawable(attr); 935 break; 936 937 case com.android.internal.R.styleable.TextView_drawableTint: 938 drawableTint = a.getColorStateList(attr); 939 break; 940 941 case com.android.internal.R.styleable.TextView_drawableTintMode: 942 drawableTintMode = Drawable.parseTintMode(a.getInt(attr, -1), drawableTintMode); 943 break; 944 945 case com.android.internal.R.styleable.TextView_drawablePadding: 946 drawablePadding = a.getDimensionPixelSize(attr, drawablePadding); 947 break; 948 949 case com.android.internal.R.styleable.TextView_maxLines: 950 setMaxLines(a.getInt(attr, -1)); 951 break; 952 953 case com.android.internal.R.styleable.TextView_maxHeight: 954 setMaxHeight(a.getDimensionPixelSize(attr, -1)); 955 break; 956 957 case com.android.internal.R.styleable.TextView_lines: 958 setLines(a.getInt(attr, -1)); 959 break; 960 961 case com.android.internal.R.styleable.TextView_height: 962 setHeight(a.getDimensionPixelSize(attr, -1)); 963 break; 964 965 case com.android.internal.R.styleable.TextView_minLines: 966 setMinLines(a.getInt(attr, -1)); 967 break; 968 969 case com.android.internal.R.styleable.TextView_minHeight: 970 setMinHeight(a.getDimensionPixelSize(attr, -1)); 971 break; 972 973 case com.android.internal.R.styleable.TextView_maxEms: 974 setMaxEms(a.getInt(attr, -1)); 975 break; 976 977 case com.android.internal.R.styleable.TextView_maxWidth: 978 setMaxWidth(a.getDimensionPixelSize(attr, -1)); 979 break; 980 981 case com.android.internal.R.styleable.TextView_ems: 982 setEms(a.getInt(attr, -1)); 983 break; 984 985 case com.android.internal.R.styleable.TextView_width: 986 setWidth(a.getDimensionPixelSize(attr, -1)); 987 break; 988 989 case com.android.internal.R.styleable.TextView_minEms: 990 setMinEms(a.getInt(attr, -1)); 991 break; 992 993 case com.android.internal.R.styleable.TextView_minWidth: 994 setMinWidth(a.getDimensionPixelSize(attr, -1)); 995 break; 996 997 case com.android.internal.R.styleable.TextView_gravity: 998 setGravity(a.getInt(attr, -1)); 999 break; 1000 1001 case com.android.internal.R.styleable.TextView_hint: 1002 hint = a.getText(attr); 1003 break; 1004 1005 case com.android.internal.R.styleable.TextView_text: 1006 text = a.getText(attr); 1007 break; 1008 1009 case com.android.internal.R.styleable.TextView_scrollHorizontally: 1010 if (a.getBoolean(attr, false)) { 1011 setHorizontallyScrolling(true); 1012 } 1013 break; 1014 1015 case com.android.internal.R.styleable.TextView_singleLine: 1016 singleLine = a.getBoolean(attr, singleLine); 1017 break; 1018 1019 case com.android.internal.R.styleable.TextView_ellipsize: 1020 ellipsize = a.getInt(attr, ellipsize); 1021 break; 1022 1023 case com.android.internal.R.styleable.TextView_marqueeRepeatLimit: 1024 setMarqueeRepeatLimit(a.getInt(attr, mMarqueeRepeatLimit)); 1025 break; 1026 1027 case com.android.internal.R.styleable.TextView_includeFontPadding: 1028 if (!a.getBoolean(attr, true)) { 1029 setIncludeFontPadding(false); 1030 } 1031 break; 1032 1033 case com.android.internal.R.styleable.TextView_cursorVisible: 1034 if (!a.getBoolean(attr, true)) { 1035 setCursorVisible(false); 1036 } 1037 break; 1038 1039 case com.android.internal.R.styleable.TextView_maxLength: 1040 maxlength = a.getInt(attr, -1); 1041 break; 1042 1043 case com.android.internal.R.styleable.TextView_textScaleX: 1044 setTextScaleX(a.getFloat(attr, 1.0f)); 1045 break; 1046 1047 case com.android.internal.R.styleable.TextView_freezesText: 1048 mFreezesText = a.getBoolean(attr, false); 1049 break; 1050 1051 case com.android.internal.R.styleable.TextView_shadowColor: 1052 shadowcolor = a.getInt(attr, 0); 1053 break; 1054 1055 case com.android.internal.R.styleable.TextView_shadowDx: 1056 dx = a.getFloat(attr, 0); 1057 break; 1058 1059 case com.android.internal.R.styleable.TextView_shadowDy: 1060 dy = a.getFloat(attr, 0); 1061 break; 1062 1063 case com.android.internal.R.styleable.TextView_shadowRadius: 1064 r = a.getFloat(attr, 0); 1065 break; 1066 1067 case com.android.internal.R.styleable.TextView_enabled: 1068 setEnabled(a.getBoolean(attr, isEnabled())); 1069 break; 1070 1071 case com.android.internal.R.styleable.TextView_textColorHighlight: 1072 textColorHighlight = a.getColor(attr, textColorHighlight); 1073 break; 1074 1075 case com.android.internal.R.styleable.TextView_textColor: 1076 textColor = a.getColorStateList(attr); 1077 break; 1078 1079 case com.android.internal.R.styleable.TextView_textColorHint: 1080 textColorHint = a.getColorStateList(attr); 1081 break; 1082 1083 case com.android.internal.R.styleable.TextView_textColorLink: 1084 textColorLink = a.getColorStateList(attr); 1085 break; 1086 1087 case com.android.internal.R.styleable.TextView_textSize: 1088 textSize = a.getDimensionPixelSize(attr, textSize); 1089 break; 1090 1091 case com.android.internal.R.styleable.TextView_typeface: 1092 typefaceIndex = a.getInt(attr, typefaceIndex); 1093 break; 1094 1095 case com.android.internal.R.styleable.TextView_textStyle: 1096 styleIndex = a.getInt(attr, styleIndex); 1097 break; 1098 1099 case com.android.internal.R.styleable.TextView_fontFamily: 1100 fontFamily = a.getString(attr); 1101 fontFamilyExplicit = true; 1102 break; 1103 1104 case com.android.internal.R.styleable.TextView_password: 1105 password = a.getBoolean(attr, password); 1106 break; 1107 1108 case com.android.internal.R.styleable.TextView_lineSpacingExtra: 1109 mSpacingAdd = a.getDimensionPixelSize(attr, (int) mSpacingAdd); 1110 break; 1111 1112 case com.android.internal.R.styleable.TextView_lineSpacingMultiplier: 1113 mSpacingMult = a.getFloat(attr, mSpacingMult); 1114 break; 1115 1116 case com.android.internal.R.styleable.TextView_inputType: 1117 inputType = a.getInt(attr, EditorInfo.TYPE_NULL); 1118 break; 1119 1120 case com.android.internal.R.styleable.TextView_allowUndo: 1121 createEditorIfNeeded(); 1122 mEditor.mAllowUndo = a.getBoolean(attr, true); 1123 break; 1124 1125 case com.android.internal.R.styleable.TextView_imeOptions: 1126 createEditorIfNeeded(); 1127 mEditor.createInputContentTypeIfNeeded(); 1128 mEditor.mInputContentType.imeOptions = a.getInt(attr, 1129 mEditor.mInputContentType.imeOptions); 1130 break; 1131 1132 case com.android.internal.R.styleable.TextView_imeActionLabel: 1133 createEditorIfNeeded(); 1134 mEditor.createInputContentTypeIfNeeded(); 1135 mEditor.mInputContentType.imeActionLabel = a.getText(attr); 1136 break; 1137 1138 case com.android.internal.R.styleable.TextView_imeActionId: 1139 createEditorIfNeeded(); 1140 mEditor.createInputContentTypeIfNeeded(); 1141 mEditor.mInputContentType.imeActionId = a.getInt(attr, 1142 mEditor.mInputContentType.imeActionId); 1143 break; 1144 1145 case com.android.internal.R.styleable.TextView_privateImeOptions: 1146 setPrivateImeOptions(a.getString(attr)); 1147 break; 1148 1149 case com.android.internal.R.styleable.TextView_editorExtras: 1150 try { 1151 setInputExtras(a.getResourceId(attr, 0)); 1152 } catch (XmlPullParserException e) { 1153 Log.w(LOG_TAG, "Failure reading input extras", e); 1154 } catch (IOException e) { 1155 Log.w(LOG_TAG, "Failure reading input extras", e); 1156 } 1157 break; 1158 1159 case com.android.internal.R.styleable.TextView_textCursorDrawable: 1160 mCursorDrawableRes = a.getResourceId(attr, 0); 1161 break; 1162 1163 case com.android.internal.R.styleable.TextView_textSelectHandleLeft: 1164 mTextSelectHandleLeftRes = a.getResourceId(attr, 0); 1165 break; 1166 1167 case com.android.internal.R.styleable.TextView_textSelectHandleRight: 1168 mTextSelectHandleRightRes = a.getResourceId(attr, 0); 1169 break; 1170 1171 case com.android.internal.R.styleable.TextView_textSelectHandle: 1172 mTextSelectHandleRes = a.getResourceId(attr, 0); 1173 break; 1174 1175 case com.android.internal.R.styleable.TextView_textEditSuggestionItemLayout: 1176 mTextEditSuggestionItemLayout = a.getResourceId(attr, 0); 1177 break; 1178 1179 case com.android.internal.R.styleable.TextView_textEditSuggestionContainerLayout: 1180 mTextEditSuggestionContainerLayout = a.getResourceId(attr, 0); 1181 break; 1182 1183 case com.android.internal.R.styleable.TextView_textEditSuggestionHighlightStyle: 1184 mTextEditSuggestionHighlightStyle = a.getResourceId(attr, 0); 1185 break; 1186 1187 case com.android.internal.R.styleable.TextView_textIsSelectable: 1188 setTextIsSelectable(a.getBoolean(attr, false)); 1189 break; 1190 1191 case com.android.internal.R.styleable.TextView_textAllCaps: 1192 allCaps = a.getBoolean(attr, false); 1193 break; 1194 1195 case com.android.internal.R.styleable.TextView_elegantTextHeight: 1196 elegant = a.getBoolean(attr, false); 1197 break; 1198 1199 case com.android.internal.R.styleable.TextView_letterSpacing: 1200 letterSpacing = a.getFloat(attr, 0); 1201 break; 1202 1203 case com.android.internal.R.styleable.TextView_fontFeatureSettings: 1204 fontFeatureSettings = a.getString(attr); 1205 break; 1206 1207 case com.android.internal.R.styleable.TextView_breakStrategy: 1208 mBreakStrategy = a.getInt(attr, Layout.BREAK_STRATEGY_SIMPLE); 1209 break; 1210 1211 case com.android.internal.R.styleable.TextView_hyphenationFrequency: 1212 mHyphenationFrequency = a.getInt(attr, Layout.HYPHENATION_FREQUENCY_NONE); 1213 break; 1214 } 1215 } 1216 a.recycle(); 1217 1218 BufferType bufferType = BufferType.EDITABLE; 1219 1220 final int variation = 1221 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 1222 final boolean passwordInputType = variation 1223 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD); 1224 final boolean webPasswordInputType = variation 1225 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD); 1226 final boolean numberPasswordInputType = variation 1227 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 1228 1229 if (inputMethod != null) { 1230 Class<?> c; 1231 1232 try { 1233 c = Class.forName(inputMethod.toString()); 1234 } catch (ClassNotFoundException ex) { 1235 throw new RuntimeException(ex); 1236 } 1237 1238 try { 1239 createEditorIfNeeded(); 1240 mEditor.mKeyListener = (KeyListener) c.newInstance(); 1241 } catch (InstantiationException ex) { 1242 throw new RuntimeException(ex); 1243 } catch (IllegalAccessException ex) { 1244 throw new RuntimeException(ex); 1245 } 1246 try { 1247 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1248 ? inputType 1249 : mEditor.mKeyListener.getInputType(); 1250 } catch (IncompatibleClassChangeError e) { 1251 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1252 } 1253 } else if (digits != null) { 1254 createEditorIfNeeded(); 1255 mEditor.mKeyListener = DigitsKeyListener.getInstance(digits.toString()); 1256 // If no input type was specified, we will default to generic 1257 // text, since we can't tell the IME about the set of digits 1258 // that was selected. 1259 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1260 ? inputType : EditorInfo.TYPE_CLASS_TEXT; 1261 } else if (inputType != EditorInfo.TYPE_NULL) { 1262 setInputType(inputType, true); 1263 // If set, the input type overrides what was set using the deprecated singleLine flag. 1264 singleLine = !isMultilineInputType(inputType); 1265 } else if (phone) { 1266 createEditorIfNeeded(); 1267 mEditor.mKeyListener = DialerKeyListener.getInstance(); 1268 mEditor.mInputType = inputType = EditorInfo.TYPE_CLASS_PHONE; 1269 } else if (numeric != 0) { 1270 createEditorIfNeeded(); 1271 mEditor.mKeyListener = DigitsKeyListener.getInstance((numeric & SIGNED) != 0, 1272 (numeric & DECIMAL) != 0); 1273 inputType = EditorInfo.TYPE_CLASS_NUMBER; 1274 if ((numeric & SIGNED) != 0) { 1275 inputType |= EditorInfo.TYPE_NUMBER_FLAG_SIGNED; 1276 } 1277 if ((numeric & DECIMAL) != 0) { 1278 inputType |= EditorInfo.TYPE_NUMBER_FLAG_DECIMAL; 1279 } 1280 mEditor.mInputType = inputType; 1281 } else if (autotext || autocap != -1) { 1282 TextKeyListener.Capitalize cap; 1283 1284 inputType = EditorInfo.TYPE_CLASS_TEXT; 1285 1286 switch (autocap) { 1287 case 1: 1288 cap = TextKeyListener.Capitalize.SENTENCES; 1289 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES; 1290 break; 1291 1292 case 2: 1293 cap = TextKeyListener.Capitalize.WORDS; 1294 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS; 1295 break; 1296 1297 case 3: 1298 cap = TextKeyListener.Capitalize.CHARACTERS; 1299 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS; 1300 break; 1301 1302 default: 1303 cap = TextKeyListener.Capitalize.NONE; 1304 break; 1305 } 1306 1307 createEditorIfNeeded(); 1308 mEditor.mKeyListener = TextKeyListener.getInstance(autotext, cap); 1309 mEditor.mInputType = inputType; 1310 } else if (isTextSelectable()) { 1311 // Prevent text changes from keyboard. 1312 if (mEditor != null) { 1313 mEditor.mKeyListener = null; 1314 mEditor.mInputType = EditorInfo.TYPE_NULL; 1315 } 1316 bufferType = BufferType.SPANNABLE; 1317 // So that selection can be changed using arrow keys and touch is handled. 1318 setMovementMethod(ArrowKeyMovementMethod.getInstance()); 1319 } else if (editable) { 1320 createEditorIfNeeded(); 1321 mEditor.mKeyListener = TextKeyListener.getInstance(); 1322 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1323 } else { 1324 if (mEditor != null) mEditor.mKeyListener = null; 1325 1326 switch (buffertype) { 1327 case 0: 1328 bufferType = BufferType.NORMAL; 1329 break; 1330 case 1: 1331 bufferType = BufferType.SPANNABLE; 1332 break; 1333 case 2: 1334 bufferType = BufferType.EDITABLE; 1335 break; 1336 } 1337 } 1338 1339 if (mEditor != null) mEditor.adjustInputType(password, passwordInputType, 1340 webPasswordInputType, numberPasswordInputType); 1341 1342 if (selectallonfocus) { 1343 createEditorIfNeeded(); 1344 mEditor.mSelectAllOnFocus = true; 1345 1346 if (bufferType == BufferType.NORMAL) 1347 bufferType = BufferType.SPANNABLE; 1348 } 1349 1350 // Set up the tint (if needed) before setting the drawables so that it 1351 // gets applied correctly. 1352 if (drawableTint != null || drawableTintMode != null) { 1353 if (mDrawables == null) { 1354 mDrawables = new Drawables(context); 1355 } 1356 if (drawableTint != null) { 1357 mDrawables.mTintList = drawableTint; 1358 mDrawables.mHasTint = true; 1359 } 1360 if (drawableTintMode != null) { 1361 mDrawables.mTintMode = drawableTintMode; 1362 mDrawables.mHasTintMode = true; 1363 } 1364 } 1365 1366 // This call will save the initial left/right drawables 1367 setCompoundDrawablesWithIntrinsicBounds( 1368 drawableLeft, drawableTop, drawableRight, drawableBottom); 1369 setRelativeDrawablesIfNeeded(drawableStart, drawableEnd); 1370 setCompoundDrawablePadding(drawablePadding); 1371 1372 // Same as setSingleLine(), but make sure the transformation method and the maximum number 1373 // of lines of height are unchanged for multi-line TextViews. 1374 setInputTypeSingleLine(singleLine); 1375 applySingleLine(singleLine, singleLine, singleLine); 1376 1377 if (singleLine && getKeyListener() == null && ellipsize < 0) { 1378 ellipsize = 3; // END 1379 } 1380 1381 switch (ellipsize) { 1382 case 1: 1383 setEllipsize(TextUtils.TruncateAt.START); 1384 break; 1385 case 2: 1386 setEllipsize(TextUtils.TruncateAt.MIDDLE); 1387 break; 1388 case 3: 1389 setEllipsize(TextUtils.TruncateAt.END); 1390 break; 1391 case 4: 1392 if (ViewConfiguration.get(context).isFadingMarqueeEnabled()) { 1393 setHorizontalFadingEdgeEnabled(true); 1394 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 1395 } else { 1396 setHorizontalFadingEdgeEnabled(false); 1397 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 1398 } 1399 setEllipsize(TextUtils.TruncateAt.MARQUEE); 1400 break; 1401 } 1402 1403 setTextColor(textColor != null ? textColor : ColorStateList.valueOf(0xFF000000)); 1404 setHintTextColor(textColorHint); 1405 setLinkTextColor(textColorLink); 1406 if (textColorHighlight != 0) { 1407 setHighlightColor(textColorHighlight); 1408 } 1409 setRawTextSize(textSize); 1410 setElegantTextHeight(elegant); 1411 setLetterSpacing(letterSpacing); 1412 setFontFeatureSettings(fontFeatureSettings); 1413 1414 if (allCaps) { 1415 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 1416 } 1417 1418 if (password || passwordInputType || webPasswordInputType || numberPasswordInputType) { 1419 setTransformationMethod(PasswordTransformationMethod.getInstance()); 1420 typefaceIndex = MONOSPACE; 1421 } else if (mEditor != null && 1422 (mEditor.mInputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION)) 1423 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) { 1424 typefaceIndex = MONOSPACE; 1425 } 1426 1427 if (typefaceIndex != -1 && !fontFamilyExplicit) { 1428 fontFamily = null; 1429 } 1430 setTypefaceFromAttrs(fontFamily, typefaceIndex, styleIndex); 1431 1432 if (shadowcolor != 0) { 1433 setShadowLayer(r, dx, dy, shadowcolor); 1434 } 1435 1436 if (maxlength >= 0) { 1437 setFilters(new InputFilter[] { new InputFilter.LengthFilter(maxlength) }); 1438 } else { 1439 setFilters(NO_FILTERS); 1440 } 1441 1442 setText(text, bufferType); 1443 if (hint != null) setHint(hint); 1444 1445 /* 1446 * Views are not normally focusable unless specified to be. 1447 * However, TextViews that have input or movement methods *are* 1448 * focusable by default. 1449 */ 1450 a = context.obtainStyledAttributes( 1451 attrs, com.android.internal.R.styleable.View, defStyleAttr, defStyleRes); 1452 1453 boolean focusable = mMovement != null || getKeyListener() != null; 1454 boolean clickable = focusable || isClickable(); 1455 boolean longClickable = focusable || isLongClickable(); 1456 1457 n = a.getIndexCount(); 1458 for (int i = 0; i < n; i++) { 1459 int attr = a.getIndex(i); 1460 1461 switch (attr) { 1462 case com.android.internal.R.styleable.View_focusable: 1463 focusable = a.getBoolean(attr, focusable); 1464 break; 1465 1466 case com.android.internal.R.styleable.View_clickable: 1467 clickable = a.getBoolean(attr, clickable); 1468 break; 1469 1470 case com.android.internal.R.styleable.View_longClickable: 1471 longClickable = a.getBoolean(attr, longClickable); 1472 break; 1473 } 1474 } 1475 a.recycle(); 1476 1477 setFocusable(focusable); 1478 setClickable(clickable); 1479 setLongClickable(longClickable); 1480 1481 if (mEditor != null) mEditor.prepareCursorControllers(); 1482 1483 // If not explicitly specified this view is important for accessibility. 1484 if (getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 1485 setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 1486 } 1487 } 1488 1489 private int[] parseDimensionArray(TypedArray dimens) { 1490 if (dimens == null) { 1491 return null; 1492 } 1493 int[] result = new int[dimens.length()]; 1494 for (int i = 0; i < result.length; i++) { 1495 result[i] = dimens.getDimensionPixelSize(i, 0); 1496 } 1497 return result; 1498 } 1499 1500 /** 1501 * @hide 1502 */ 1503 @Override 1504 public void onActivityResult(int requestCode, int resultCode, Intent data) { 1505 if (requestCode == PROCESS_TEXT_REQUEST_CODE) { 1506 if (resultCode == Activity.RESULT_OK && data != null) { 1507 CharSequence result = data.getCharSequenceExtra(Intent.EXTRA_PROCESS_TEXT); 1508 if (result != null) { 1509 if (isTextEditable()) { 1510 replaceSelectionWithText(result); 1511 if (mEditor != null) { 1512 mEditor.refreshTextActionMode(); 1513 } 1514 } else { 1515 if (result.length() > 0) { 1516 Toast.makeText(getContext(), String.valueOf(result), Toast.LENGTH_LONG) 1517 .show(); 1518 } 1519 } 1520 } 1521 } else if (mText instanceof Spannable) { 1522 // Reset the selection. 1523 Selection.setSelection((Spannable) mText, getSelectionEnd()); 1524 } 1525 } 1526 } 1527 1528 private void setTypefaceFromAttrs(String familyName, int typefaceIndex, int styleIndex) { 1529 Typeface tf = null; 1530 if (familyName != null) { 1531 tf = Typeface.create(familyName, styleIndex); 1532 if (tf != null) { 1533 setTypeface(tf); 1534 return; 1535 } 1536 } 1537 switch (typefaceIndex) { 1538 case SANS: 1539 tf = Typeface.SANS_SERIF; 1540 break; 1541 1542 case SERIF: 1543 tf = Typeface.SERIF; 1544 break; 1545 1546 case MONOSPACE: 1547 tf = Typeface.MONOSPACE; 1548 break; 1549 } 1550 1551 setTypeface(tf, styleIndex); 1552 } 1553 1554 private void setRelativeDrawablesIfNeeded(Drawable start, Drawable end) { 1555 boolean hasRelativeDrawables = (start != null) || (end != null); 1556 if (hasRelativeDrawables) { 1557 Drawables dr = mDrawables; 1558 if (dr == null) { 1559 mDrawables = dr = new Drawables(getContext()); 1560 } 1561 mDrawables.mOverride = true; 1562 final Rect compoundRect = dr.mCompoundRect; 1563 int[] state = getDrawableState(); 1564 if (start != null) { 1565 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 1566 start.setState(state); 1567 start.copyBounds(compoundRect); 1568 start.setCallback(this); 1569 1570 dr.mDrawableStart = start; 1571 dr.mDrawableSizeStart = compoundRect.width(); 1572 dr.mDrawableHeightStart = compoundRect.height(); 1573 } else { 1574 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 1575 } 1576 if (end != null) { 1577 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 1578 end.setState(state); 1579 end.copyBounds(compoundRect); 1580 end.setCallback(this); 1581 1582 dr.mDrawableEnd = end; 1583 dr.mDrawableSizeEnd = compoundRect.width(); 1584 dr.mDrawableHeightEnd = compoundRect.height(); 1585 } else { 1586 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 1587 } 1588 resetResolvedDrawables(); 1589 resolveDrawables(); 1590 applyCompoundDrawableTint(); 1591 } 1592 } 1593 1594 @android.view.RemotableViewMethod 1595 @Override 1596 public void setEnabled(boolean enabled) { 1597 if (enabled == isEnabled()) { 1598 return; 1599 } 1600 1601 if (!enabled) { 1602 // Hide the soft input if the currently active TextView is disabled 1603 InputMethodManager imm = InputMethodManager.peekInstance(); 1604 if (imm != null && imm.isActive(this)) { 1605 imm.hideSoftInputFromWindow(getWindowToken(), 0); 1606 } 1607 } 1608 1609 super.setEnabled(enabled); 1610 1611 if (enabled) { 1612 // Make sure IME is updated with current editor info. 1613 InputMethodManager imm = InputMethodManager.peekInstance(); 1614 if (imm != null) imm.restartInput(this); 1615 } 1616 1617 // Will change text color 1618 if (mEditor != null) { 1619 mEditor.invalidateTextDisplayList(); 1620 mEditor.prepareCursorControllers(); 1621 1622 // start or stop the cursor blinking as appropriate 1623 mEditor.makeBlink(); 1624 } 1625 } 1626 1627 /** 1628 * Sets the typeface and style in which the text should be displayed, 1629 * and turns on the fake bold and italic bits in the Paint if the 1630 * Typeface that you provided does not have all the bits in the 1631 * style that you specified. 1632 * 1633 * @attr ref android.R.styleable#TextView_typeface 1634 * @attr ref android.R.styleable#TextView_textStyle 1635 */ 1636 public void setTypeface(Typeface tf, int style) { 1637 if (style > 0) { 1638 if (tf == null) { 1639 tf = Typeface.defaultFromStyle(style); 1640 } else { 1641 tf = Typeface.create(tf, style); 1642 } 1643 1644 setTypeface(tf); 1645 // now compute what (if any) algorithmic styling is needed 1646 int typefaceStyle = tf != null ? tf.getStyle() : 0; 1647 int need = style & ~typefaceStyle; 1648 mTextPaint.setFakeBoldText((need & Typeface.BOLD) != 0); 1649 mTextPaint.setTextSkewX((need & Typeface.ITALIC) != 0 ? -0.25f : 0); 1650 } else { 1651 mTextPaint.setFakeBoldText(false); 1652 mTextPaint.setTextSkewX(0); 1653 setTypeface(tf); 1654 } 1655 } 1656 1657 /** 1658 * Subclasses override this to specify that they have a KeyListener 1659 * by default even if not specifically called for in the XML options. 1660 */ 1661 protected boolean getDefaultEditable() { 1662 return false; 1663 } 1664 1665 /** 1666 * Subclasses override this to specify a default movement method. 1667 */ 1668 protected MovementMethod getDefaultMovementMethod() { 1669 return null; 1670 } 1671 1672 /** 1673 * Return the text the TextView is displaying. If setText() was called with 1674 * an argument of BufferType.SPANNABLE or BufferType.EDITABLE, you can cast 1675 * the return value from this method to Spannable or Editable, respectively. 1676 * 1677 * Note: The content of the return value should not be modified. If you want 1678 * a modifiable one, you should make your own copy first. 1679 * 1680 * @attr ref android.R.styleable#TextView_text 1681 */ 1682 @ViewDebug.CapturedViewProperty 1683 public CharSequence getText() { 1684 return mText; 1685 } 1686 1687 /** 1688 * Returns the length, in characters, of the text managed by this TextView 1689 */ 1690 public int length() { 1691 return mText.length(); 1692 } 1693 1694 /** 1695 * Return the text the TextView is displaying as an Editable object. If 1696 * the text is not editable, null is returned. 1697 * 1698 * @see #getText 1699 */ 1700 public Editable getEditableText() { 1701 return (mText instanceof Editable) ? (Editable)mText : null; 1702 } 1703 1704 /** 1705 * @return the height of one standard line in pixels. Note that markup 1706 * within the text can cause individual lines to be taller or shorter 1707 * than this height, and the layout may contain additional first- 1708 * or last-line padding. 1709 */ 1710 public int getLineHeight() { 1711 return FastMath.round(mTextPaint.getFontMetricsInt(null) * mSpacingMult + mSpacingAdd); 1712 } 1713 1714 /** 1715 * @return the Layout that is currently being used to display the text. 1716 * This can be null if the text or width has recently changes. 1717 */ 1718 public final Layout getLayout() { 1719 return mLayout; 1720 } 1721 1722 /** 1723 * @return the Layout that is currently being used to display the hint text. 1724 * This can be null. 1725 */ 1726 final Layout getHintLayout() { 1727 return mHintLayout; 1728 } 1729 1730 /** 1731 * Retrieve the {@link android.content.UndoManager} that is currently associated 1732 * with this TextView. By default there is no associated UndoManager, so null 1733 * is returned. One can be associated with the TextView through 1734 * {@link #setUndoManager(android.content.UndoManager, String)} 1735 * 1736 * @hide 1737 */ 1738 public final UndoManager getUndoManager() { 1739 // TODO: Consider supporting a global undo manager. 1740 throw new UnsupportedOperationException("not implemented"); 1741 } 1742 1743 1744 /** 1745 * @hide 1746 */ 1747 @VisibleForTesting 1748 public final Editor getEditorForTesting() { 1749 return mEditor; 1750 } 1751 1752 /** 1753 * Associate an {@link android.content.UndoManager} with this TextView. Once 1754 * done, all edit operations on the TextView will result in appropriate 1755 * {@link android.content.UndoOperation} objects pushed on the given UndoManager's 1756 * stack. 1757 * 1758 * @param undoManager The {@link android.content.UndoManager} to associate with 1759 * this TextView, or null to clear any existing association. 1760 * @param tag String tag identifying this particular TextView owner in the 1761 * UndoManager. This is used to keep the correct association with the 1762 * {@link android.content.UndoOwner} of any operations inside of the UndoManager. 1763 * 1764 * @hide 1765 */ 1766 public final void setUndoManager(UndoManager undoManager, String tag) { 1767 // TODO: Consider supporting a global undo manager. An implementation will need to: 1768 // * createEditorIfNeeded() 1769 // * Promote to BufferType.EDITABLE if needed. 1770 // * Update the UndoManager and UndoOwner. 1771 // Likewise it will need to be able to restore the default UndoManager. 1772 throw new UnsupportedOperationException("not implemented"); 1773 } 1774 1775 /** 1776 * @return the current key listener for this TextView. 1777 * This will frequently be null for non-EditText TextViews. 1778 * 1779 * @attr ref android.R.styleable#TextView_numeric 1780 * @attr ref android.R.styleable#TextView_digits 1781 * @attr ref android.R.styleable#TextView_phoneNumber 1782 * @attr ref android.R.styleable#TextView_inputMethod 1783 * @attr ref android.R.styleable#TextView_capitalize 1784 * @attr ref android.R.styleable#TextView_autoText 1785 */ 1786 public final KeyListener getKeyListener() { 1787 return mEditor == null ? null : mEditor.mKeyListener; 1788 } 1789 1790 /** 1791 * Sets the key listener to be used with this TextView. This can be null 1792 * to disallow user input. Note that this method has significant and 1793 * subtle interactions with soft keyboards and other input method: 1794 * see {@link KeyListener#getInputType() KeyListener.getContentType()} 1795 * for important details. Calling this method will replace the current 1796 * content type of the text view with the content type returned by the 1797 * key listener. 1798 * <p> 1799 * Be warned that if you want a TextView with a key listener or movement 1800 * method not to be focusable, or if you want a TextView without a 1801 * key listener or movement method to be focusable, you must call 1802 * {@link #setFocusable} again after calling this to get the focusability 1803 * back the way you want it. 1804 * 1805 * @attr ref android.R.styleable#TextView_numeric 1806 * @attr ref android.R.styleable#TextView_digits 1807 * @attr ref android.R.styleable#TextView_phoneNumber 1808 * @attr ref android.R.styleable#TextView_inputMethod 1809 * @attr ref android.R.styleable#TextView_capitalize 1810 * @attr ref android.R.styleable#TextView_autoText 1811 */ 1812 public void setKeyListener(KeyListener input) { 1813 setKeyListenerOnly(input); 1814 fixFocusableAndClickableSettings(); 1815 1816 if (input != null) { 1817 createEditorIfNeeded(); 1818 try { 1819 mEditor.mInputType = mEditor.mKeyListener.getInputType(); 1820 } catch (IncompatibleClassChangeError e) { 1821 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1822 } 1823 // Change inputType, without affecting transformation. 1824 // No need to applySingleLine since mSingleLine is unchanged. 1825 setInputTypeSingleLine(mSingleLine); 1826 } else { 1827 if (mEditor != null) mEditor.mInputType = EditorInfo.TYPE_NULL; 1828 } 1829 1830 InputMethodManager imm = InputMethodManager.peekInstance(); 1831 if (imm != null) imm.restartInput(this); 1832 } 1833 1834 private void setKeyListenerOnly(KeyListener input) { 1835 if (mEditor == null && input == null) return; // null is the default value 1836 1837 createEditorIfNeeded(); 1838 if (mEditor.mKeyListener != input) { 1839 mEditor.mKeyListener = input; 1840 if (input != null && !(mText instanceof Editable)) { 1841 setText(mText); 1842 } 1843 1844 setFilters((Editable) mText, mFilters); 1845 } 1846 } 1847 1848 /** 1849 * @return the movement method being used for this TextView. 1850 * This will frequently be null for non-EditText TextViews. 1851 */ 1852 public final MovementMethod getMovementMethod() { 1853 return mMovement; 1854 } 1855 1856 /** 1857 * Sets the movement method (arrow key handler) to be used for 1858 * this TextView. This can be null to disallow using the arrow keys 1859 * to move the cursor or scroll the view. 1860 * <p> 1861 * Be warned that if you want a TextView with a key listener or movement 1862 * method not to be focusable, or if you want a TextView without a 1863 * key listener or movement method to be focusable, you must call 1864 * {@link #setFocusable} again after calling this to get the focusability 1865 * back the way you want it. 1866 */ 1867 public final void setMovementMethod(MovementMethod movement) { 1868 if (mMovement != movement) { 1869 mMovement = movement; 1870 1871 if (movement != null && !(mText instanceof Spannable)) { 1872 setText(mText); 1873 } 1874 1875 fixFocusableAndClickableSettings(); 1876 1877 // SelectionModifierCursorController depends on textCanBeSelected, which depends on 1878 // mMovement 1879 if (mEditor != null) mEditor.prepareCursorControllers(); 1880 } 1881 } 1882 1883 private void fixFocusableAndClickableSettings() { 1884 if (mMovement != null || (mEditor != null && mEditor.mKeyListener != null)) { 1885 setFocusable(true); 1886 setClickable(true); 1887 setLongClickable(true); 1888 } else { 1889 setFocusable(false); 1890 setClickable(false); 1891 setLongClickable(false); 1892 } 1893 } 1894 1895 /** 1896 * @return the current transformation method for this TextView. 1897 * This will frequently be null except for single-line and password 1898 * fields. 1899 * 1900 * @attr ref android.R.styleable#TextView_password 1901 * @attr ref android.R.styleable#TextView_singleLine 1902 */ 1903 public final TransformationMethod getTransformationMethod() { 1904 return mTransformation; 1905 } 1906 1907 /** 1908 * Sets the transformation that is applied to the text that this 1909 * TextView is displaying. 1910 * 1911 * @attr ref android.R.styleable#TextView_password 1912 * @attr ref android.R.styleable#TextView_singleLine 1913 */ 1914 public final void setTransformationMethod(TransformationMethod method) { 1915 if (method == mTransformation) { 1916 // Avoid the setText() below if the transformation is 1917 // the same. 1918 return; 1919 } 1920 if (mTransformation != null) { 1921 if (mText instanceof Spannable) { 1922 ((Spannable) mText).removeSpan(mTransformation); 1923 } 1924 } 1925 1926 mTransformation = method; 1927 1928 if (method instanceof TransformationMethod2) { 1929 TransformationMethod2 method2 = (TransformationMethod2) method; 1930 mAllowTransformationLengthChange = !isTextSelectable() && !(mText instanceof Editable); 1931 method2.setLengthChangesAllowed(mAllowTransformationLengthChange); 1932 } else { 1933 mAllowTransformationLengthChange = false; 1934 } 1935 1936 setText(mText); 1937 1938 if (hasPasswordTransformationMethod()) { 1939 notifyViewAccessibilityStateChangedIfNeeded( 1940 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 1941 } 1942 1943 // PasswordTransformationMethod always have LTR text direction heuristics returned by 1944 // getTextDirectionHeuristic, needs reset 1945 mTextDir = getTextDirectionHeuristic(); 1946 } 1947 1948 /** 1949 * Returns the top padding of the view, plus space for the top 1950 * Drawable if any. 1951 */ 1952 public int getCompoundPaddingTop() { 1953 final Drawables dr = mDrawables; 1954 if (dr == null || dr.mShowing[Drawables.TOP] == null) { 1955 return mPaddingTop; 1956 } else { 1957 return mPaddingTop + dr.mDrawablePadding + dr.mDrawableSizeTop; 1958 } 1959 } 1960 1961 /** 1962 * Returns the bottom padding of the view, plus space for the bottom 1963 * Drawable if any. 1964 */ 1965 public int getCompoundPaddingBottom() { 1966 final Drawables dr = mDrawables; 1967 if (dr == null || dr.mShowing[Drawables.BOTTOM] == null) { 1968 return mPaddingBottom; 1969 } else { 1970 return mPaddingBottom + dr.mDrawablePadding + dr.mDrawableSizeBottom; 1971 } 1972 } 1973 1974 /** 1975 * Returns the left padding of the view, plus space for the left 1976 * Drawable if any. 1977 */ 1978 public int getCompoundPaddingLeft() { 1979 final Drawables dr = mDrawables; 1980 if (dr == null || dr.mShowing[Drawables.LEFT] == null) { 1981 return mPaddingLeft; 1982 } else { 1983 return mPaddingLeft + dr.mDrawablePadding + dr.mDrawableSizeLeft; 1984 } 1985 } 1986 1987 /** 1988 * Returns the right padding of the view, plus space for the right 1989 * Drawable if any. 1990 */ 1991 public int getCompoundPaddingRight() { 1992 final Drawables dr = mDrawables; 1993 if (dr == null || dr.mShowing[Drawables.RIGHT] == null) { 1994 return mPaddingRight; 1995 } else { 1996 return mPaddingRight + dr.mDrawablePadding + dr.mDrawableSizeRight; 1997 } 1998 } 1999 2000 /** 2001 * Returns the start padding of the view, plus space for the start 2002 * Drawable if any. 2003 */ 2004 public int getCompoundPaddingStart() { 2005 resolveDrawables(); 2006 switch(getLayoutDirection()) { 2007 default: 2008 case LAYOUT_DIRECTION_LTR: 2009 return getCompoundPaddingLeft(); 2010 case LAYOUT_DIRECTION_RTL: 2011 return getCompoundPaddingRight(); 2012 } 2013 } 2014 2015 /** 2016 * Returns the end padding of the view, plus space for the end 2017 * Drawable if any. 2018 */ 2019 public int getCompoundPaddingEnd() { 2020 resolveDrawables(); 2021 switch(getLayoutDirection()) { 2022 default: 2023 case LAYOUT_DIRECTION_LTR: 2024 return getCompoundPaddingRight(); 2025 case LAYOUT_DIRECTION_RTL: 2026 return getCompoundPaddingLeft(); 2027 } 2028 } 2029 2030 /** 2031 * Returns the extended top padding of the view, including both the 2032 * top Drawable if any and any extra space to keep more than maxLines 2033 * of text from showing. It is only valid to call this after measuring. 2034 */ 2035 public int getExtendedPaddingTop() { 2036 if (mMaxMode != LINES) { 2037 return getCompoundPaddingTop(); 2038 } 2039 2040 if (mLayout == null) { 2041 assumeLayout(); 2042 } 2043 2044 if (mLayout.getLineCount() <= mMaximum) { 2045 return getCompoundPaddingTop(); 2046 } 2047 2048 int top = getCompoundPaddingTop(); 2049 int bottom = getCompoundPaddingBottom(); 2050 int viewht = getHeight() - top - bottom; 2051 int layoutht = mLayout.getLineTop(mMaximum); 2052 2053 if (layoutht >= viewht) { 2054 return top; 2055 } 2056 2057 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 2058 if (gravity == Gravity.TOP) { 2059 return top; 2060 } else if (gravity == Gravity.BOTTOM) { 2061 return top + viewht - layoutht; 2062 } else { // (gravity == Gravity.CENTER_VERTICAL) 2063 return top + (viewht - layoutht) / 2; 2064 } 2065 } 2066 2067 /** 2068 * Returns the extended bottom padding of the view, including both the 2069 * bottom Drawable if any and any extra space to keep more than maxLines 2070 * of text from showing. It is only valid to call this after measuring. 2071 */ 2072 public int getExtendedPaddingBottom() { 2073 if (mMaxMode != LINES) { 2074 return getCompoundPaddingBottom(); 2075 } 2076 2077 if (mLayout == null) { 2078 assumeLayout(); 2079 } 2080 2081 if (mLayout.getLineCount() <= mMaximum) { 2082 return getCompoundPaddingBottom(); 2083 } 2084 2085 int top = getCompoundPaddingTop(); 2086 int bottom = getCompoundPaddingBottom(); 2087 int viewht = getHeight() - top - bottom; 2088 int layoutht = mLayout.getLineTop(mMaximum); 2089 2090 if (layoutht >= viewht) { 2091 return bottom; 2092 } 2093 2094 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 2095 if (gravity == Gravity.TOP) { 2096 return bottom + viewht - layoutht; 2097 } else if (gravity == Gravity.BOTTOM) { 2098 return bottom; 2099 } else { // (gravity == Gravity.CENTER_VERTICAL) 2100 return bottom + (viewht - layoutht) / 2; 2101 } 2102 } 2103 2104 /** 2105 * Returns the total left padding of the view, including the left 2106 * Drawable if any. 2107 */ 2108 public int getTotalPaddingLeft() { 2109 return getCompoundPaddingLeft(); 2110 } 2111 2112 /** 2113 * Returns the total right padding of the view, including the right 2114 * Drawable if any. 2115 */ 2116 public int getTotalPaddingRight() { 2117 return getCompoundPaddingRight(); 2118 } 2119 2120 /** 2121 * Returns the total start padding of the view, including the start 2122 * Drawable if any. 2123 */ 2124 public int getTotalPaddingStart() { 2125 return getCompoundPaddingStart(); 2126 } 2127 2128 /** 2129 * Returns the total end padding of the view, including the end 2130 * Drawable if any. 2131 */ 2132 public int getTotalPaddingEnd() { 2133 return getCompoundPaddingEnd(); 2134 } 2135 2136 /** 2137 * Returns the total top padding of the view, including the top 2138 * Drawable if any, the extra space to keep more than maxLines 2139 * from showing, and the vertical offset for gravity, if any. 2140 */ 2141 public int getTotalPaddingTop() { 2142 return getExtendedPaddingTop() + getVerticalOffset(true); 2143 } 2144 2145 /** 2146 * Returns the total bottom padding of the view, including the bottom 2147 * Drawable if any, the extra space to keep more than maxLines 2148 * from showing, and the vertical offset for gravity, if any. 2149 */ 2150 public int getTotalPaddingBottom() { 2151 return getExtendedPaddingBottom() + getBottomVerticalOffset(true); 2152 } 2153 2154 /** 2155 * Sets the Drawables (if any) to appear to the left of, above, to the 2156 * right of, and below the text. Use {@code null} if you do not want a 2157 * Drawable there. The Drawables must already have had 2158 * {@link Drawable#setBounds} called. 2159 * <p> 2160 * Calling this method will overwrite any Drawables previously set using 2161 * {@link #setCompoundDrawablesRelative} or related methods. 2162 * 2163 * @attr ref android.R.styleable#TextView_drawableLeft 2164 * @attr ref android.R.styleable#TextView_drawableTop 2165 * @attr ref android.R.styleable#TextView_drawableRight 2166 * @attr ref android.R.styleable#TextView_drawableBottom 2167 */ 2168 public void setCompoundDrawables(@Nullable Drawable left, @Nullable Drawable top, 2169 @Nullable Drawable right, @Nullable Drawable bottom) { 2170 Drawables dr = mDrawables; 2171 2172 // We're switching to absolute, discard relative. 2173 if (dr != null) { 2174 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2175 dr.mDrawableStart = null; 2176 if (dr.mDrawableEnd != null) dr.mDrawableEnd.setCallback(null); 2177 dr.mDrawableEnd = null; 2178 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2179 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2180 } 2181 2182 final boolean drawables = left != null || top != null || right != null || bottom != null; 2183 if (!drawables) { 2184 // Clearing drawables... can we free the data structure? 2185 if (dr != null) { 2186 if (!dr.hasMetadata()) { 2187 mDrawables = null; 2188 } else { 2189 // We need to retain the last set padding, so just clear 2190 // out all of the fields in the existing structure. 2191 for (int i = dr.mShowing.length - 1; i >= 0; i--) { 2192 if (dr.mShowing[i] != null) { 2193 dr.mShowing[i].setCallback(null); 2194 } 2195 dr.mShowing[i] = null; 2196 } 2197 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2198 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2199 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2200 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2201 } 2202 } 2203 } else { 2204 if (dr == null) { 2205 mDrawables = dr = new Drawables(getContext()); 2206 } 2207 2208 mDrawables.mOverride = false; 2209 2210 if (dr.mShowing[Drawables.LEFT] != left && dr.mShowing[Drawables.LEFT] != null) { 2211 dr.mShowing[Drawables.LEFT].setCallback(null); 2212 } 2213 dr.mShowing[Drawables.LEFT] = left; 2214 2215 if (dr.mShowing[Drawables.TOP] != top && dr.mShowing[Drawables.TOP] != null) { 2216 dr.mShowing[Drawables.TOP].setCallback(null); 2217 } 2218 dr.mShowing[Drawables.TOP] = top; 2219 2220 if (dr.mShowing[Drawables.RIGHT] != right && dr.mShowing[Drawables.RIGHT] != null) { 2221 dr.mShowing[Drawables.RIGHT].setCallback(null); 2222 } 2223 dr.mShowing[Drawables.RIGHT] = right; 2224 2225 if (dr.mShowing[Drawables.BOTTOM] != bottom && dr.mShowing[Drawables.BOTTOM] != null) { 2226 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2227 } 2228 dr.mShowing[Drawables.BOTTOM] = bottom; 2229 2230 final Rect compoundRect = dr.mCompoundRect; 2231 int[] state; 2232 2233 state = getDrawableState(); 2234 2235 if (left != null) { 2236 left.setState(state); 2237 left.copyBounds(compoundRect); 2238 left.setCallback(this); 2239 dr.mDrawableSizeLeft = compoundRect.width(); 2240 dr.mDrawableHeightLeft = compoundRect.height(); 2241 } else { 2242 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2243 } 2244 2245 if (right != null) { 2246 right.setState(state); 2247 right.copyBounds(compoundRect); 2248 right.setCallback(this); 2249 dr.mDrawableSizeRight = compoundRect.width(); 2250 dr.mDrawableHeightRight = compoundRect.height(); 2251 } else { 2252 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2253 } 2254 2255 if (top != null) { 2256 top.setState(state); 2257 top.copyBounds(compoundRect); 2258 top.setCallback(this); 2259 dr.mDrawableSizeTop = compoundRect.height(); 2260 dr.mDrawableWidthTop = compoundRect.width(); 2261 } else { 2262 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2263 } 2264 2265 if (bottom != null) { 2266 bottom.setState(state); 2267 bottom.copyBounds(compoundRect); 2268 bottom.setCallback(this); 2269 dr.mDrawableSizeBottom = compoundRect.height(); 2270 dr.mDrawableWidthBottom = compoundRect.width(); 2271 } else { 2272 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2273 } 2274 } 2275 2276 // Save initial left/right drawables 2277 if (dr != null) { 2278 dr.mDrawableLeftInitial = left; 2279 dr.mDrawableRightInitial = right; 2280 } 2281 2282 resetResolvedDrawables(); 2283 resolveDrawables(); 2284 applyCompoundDrawableTint(); 2285 invalidate(); 2286 requestLayout(); 2287 } 2288 2289 /** 2290 * Sets the Drawables (if any) to appear to the left of, above, to the 2291 * right of, and below the text. Use 0 if you do not want a Drawable there. 2292 * The Drawables' bounds will be set to their intrinsic bounds. 2293 * <p> 2294 * Calling this method will overwrite any Drawables previously set using 2295 * {@link #setCompoundDrawablesRelative} or related methods. 2296 * 2297 * @param left Resource identifier of the left Drawable. 2298 * @param top Resource identifier of the top Drawable. 2299 * @param right Resource identifier of the right Drawable. 2300 * @param bottom Resource identifier of the bottom Drawable. 2301 * 2302 * @attr ref android.R.styleable#TextView_drawableLeft 2303 * @attr ref android.R.styleable#TextView_drawableTop 2304 * @attr ref android.R.styleable#TextView_drawableRight 2305 * @attr ref android.R.styleable#TextView_drawableBottom 2306 */ 2307 @android.view.RemotableViewMethod 2308 public void setCompoundDrawablesWithIntrinsicBounds(@DrawableRes int left, 2309 @DrawableRes int top, @DrawableRes int right, @DrawableRes int bottom) { 2310 final Context context = getContext(); 2311 setCompoundDrawablesWithIntrinsicBounds(left != 0 ? context.getDrawable(left) : null, 2312 top != 0 ? context.getDrawable(top) : null, 2313 right != 0 ? context.getDrawable(right) : null, 2314 bottom != 0 ? context.getDrawable(bottom) : null); 2315 } 2316 2317 /** 2318 * Sets the Drawables (if any) to appear to the left of, above, to the 2319 * right of, and below the text. Use {@code null} if you do not want a 2320 * Drawable there. The Drawables' bounds will be set to their intrinsic 2321 * bounds. 2322 * <p> 2323 * Calling this method will overwrite any Drawables previously set using 2324 * {@link #setCompoundDrawablesRelative} or related methods. 2325 * 2326 * @attr ref android.R.styleable#TextView_drawableLeft 2327 * @attr ref android.R.styleable#TextView_drawableTop 2328 * @attr ref android.R.styleable#TextView_drawableRight 2329 * @attr ref android.R.styleable#TextView_drawableBottom 2330 */ 2331 @android.view.RemotableViewMethod 2332 public void setCompoundDrawablesWithIntrinsicBounds(@Nullable Drawable left, 2333 @Nullable Drawable top, @Nullable Drawable right, @Nullable Drawable bottom) { 2334 2335 if (left != null) { 2336 left.setBounds(0, 0, left.getIntrinsicWidth(), left.getIntrinsicHeight()); 2337 } 2338 if (right != null) { 2339 right.setBounds(0, 0, right.getIntrinsicWidth(), right.getIntrinsicHeight()); 2340 } 2341 if (top != null) { 2342 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2343 } 2344 if (bottom != null) { 2345 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2346 } 2347 setCompoundDrawables(left, top, right, bottom); 2348 } 2349 2350 /** 2351 * Sets the Drawables (if any) to appear to the start of, above, to the end 2352 * of, and below the text. Use {@code null} if you do not want a Drawable 2353 * there. The Drawables must already have had {@link Drawable#setBounds} 2354 * called. 2355 * <p> 2356 * Calling this method will overwrite any Drawables previously set using 2357 * {@link #setCompoundDrawables} or related methods. 2358 * 2359 * @attr ref android.R.styleable#TextView_drawableStart 2360 * @attr ref android.R.styleable#TextView_drawableTop 2361 * @attr ref android.R.styleable#TextView_drawableEnd 2362 * @attr ref android.R.styleable#TextView_drawableBottom 2363 */ 2364 @android.view.RemotableViewMethod 2365 public void setCompoundDrawablesRelative(@Nullable Drawable start, @Nullable Drawable top, 2366 @Nullable Drawable end, @Nullable Drawable bottom) { 2367 Drawables dr = mDrawables; 2368 2369 // We're switching to relative, discard absolute. 2370 if (dr != null) { 2371 if (dr.mShowing[Drawables.LEFT] != null) { 2372 dr.mShowing[Drawables.LEFT].setCallback(null); 2373 } 2374 dr.mShowing[Drawables.LEFT] = dr.mDrawableLeftInitial = null; 2375 if (dr.mShowing[Drawables.RIGHT] != null) { 2376 dr.mShowing[Drawables.RIGHT].setCallback(null); 2377 } 2378 dr.mShowing[Drawables.RIGHT] = dr.mDrawableRightInitial = null; 2379 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2380 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2381 } 2382 2383 final boolean drawables = start != null || top != null 2384 || end != null || bottom != null; 2385 2386 if (!drawables) { 2387 // Clearing drawables... can we free the data structure? 2388 if (dr != null) { 2389 if (!dr.hasMetadata()) { 2390 mDrawables = null; 2391 } else { 2392 // We need to retain the last set padding, so just clear 2393 // out all of the fields in the existing structure. 2394 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2395 dr.mDrawableStart = null; 2396 if (dr.mShowing[Drawables.TOP] != null) { 2397 dr.mShowing[Drawables.TOP].setCallback(null); 2398 } 2399 dr.mShowing[Drawables.TOP] = null; 2400 if (dr.mDrawableEnd != null) { 2401 dr.mDrawableEnd.setCallback(null); 2402 } 2403 dr.mDrawableEnd = null; 2404 if (dr.mShowing[Drawables.BOTTOM] != null) { 2405 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2406 } 2407 dr.mShowing[Drawables.BOTTOM] = null; 2408 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2409 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2410 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2411 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2412 } 2413 } 2414 } else { 2415 if (dr == null) { 2416 mDrawables = dr = new Drawables(getContext()); 2417 } 2418 2419 mDrawables.mOverride = true; 2420 2421 if (dr.mDrawableStart != start && dr.mDrawableStart != null) { 2422 dr.mDrawableStart.setCallback(null); 2423 } 2424 dr.mDrawableStart = start; 2425 2426 if (dr.mShowing[Drawables.TOP] != top && dr.mShowing[Drawables.TOP] != null) { 2427 dr.mShowing[Drawables.TOP].setCallback(null); 2428 } 2429 dr.mShowing[Drawables.TOP] = top; 2430 2431 if (dr.mDrawableEnd != end && dr.mDrawableEnd != null) { 2432 dr.mDrawableEnd.setCallback(null); 2433 } 2434 dr.mDrawableEnd = end; 2435 2436 if (dr.mShowing[Drawables.BOTTOM] != bottom && dr.mShowing[Drawables.BOTTOM] != null) { 2437 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2438 } 2439 dr.mShowing[Drawables.BOTTOM] = bottom; 2440 2441 final Rect compoundRect = dr.mCompoundRect; 2442 int[] state; 2443 2444 state = getDrawableState(); 2445 2446 if (start != null) { 2447 start.setState(state); 2448 start.copyBounds(compoundRect); 2449 start.setCallback(this); 2450 dr.mDrawableSizeStart = compoundRect.width(); 2451 dr.mDrawableHeightStart = compoundRect.height(); 2452 } else { 2453 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2454 } 2455 2456 if (end != null) { 2457 end.setState(state); 2458 end.copyBounds(compoundRect); 2459 end.setCallback(this); 2460 dr.mDrawableSizeEnd = compoundRect.width(); 2461 dr.mDrawableHeightEnd = compoundRect.height(); 2462 } else { 2463 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2464 } 2465 2466 if (top != null) { 2467 top.setState(state); 2468 top.copyBounds(compoundRect); 2469 top.setCallback(this); 2470 dr.mDrawableSizeTop = compoundRect.height(); 2471 dr.mDrawableWidthTop = compoundRect.width(); 2472 } else { 2473 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2474 } 2475 2476 if (bottom != null) { 2477 bottom.setState(state); 2478 bottom.copyBounds(compoundRect); 2479 bottom.setCallback(this); 2480 dr.mDrawableSizeBottom = compoundRect.height(); 2481 dr.mDrawableWidthBottom = compoundRect.width(); 2482 } else { 2483 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2484 } 2485 } 2486 2487 resetResolvedDrawables(); 2488 resolveDrawables(); 2489 invalidate(); 2490 requestLayout(); 2491 } 2492 2493 /** 2494 * Sets the Drawables (if any) to appear to the start of, above, to the end 2495 * of, and below the text. Use 0 if you do not want a Drawable there. The 2496 * Drawables' bounds will be set to their intrinsic bounds. 2497 * <p> 2498 * Calling this method will overwrite any Drawables previously set using 2499 * {@link #setCompoundDrawables} or related methods. 2500 * 2501 * @param start Resource identifier of the start Drawable. 2502 * @param top Resource identifier of the top Drawable. 2503 * @param end Resource identifier of the end Drawable. 2504 * @param bottom Resource identifier of the bottom Drawable. 2505 * 2506 * @attr ref android.R.styleable#TextView_drawableStart 2507 * @attr ref android.R.styleable#TextView_drawableTop 2508 * @attr ref android.R.styleable#TextView_drawableEnd 2509 * @attr ref android.R.styleable#TextView_drawableBottom 2510 */ 2511 @android.view.RemotableViewMethod 2512 public void setCompoundDrawablesRelativeWithIntrinsicBounds(@DrawableRes int start, 2513 @DrawableRes int top, @DrawableRes int end, @DrawableRes int bottom) { 2514 final Context context = getContext(); 2515 setCompoundDrawablesRelativeWithIntrinsicBounds( 2516 start != 0 ? context.getDrawable(start) : null, 2517 top != 0 ? context.getDrawable(top) : null, 2518 end != 0 ? context.getDrawable(end) : null, 2519 bottom != 0 ? context.getDrawable(bottom) : null); 2520 } 2521 2522 /** 2523 * Sets the Drawables (if any) to appear to the start of, above, to the end 2524 * of, and below the text. Use {@code null} if you do not want a Drawable 2525 * there. The Drawables' bounds will be set to their intrinsic bounds. 2526 * <p> 2527 * Calling this method will overwrite any Drawables previously set using 2528 * {@link #setCompoundDrawables} or related methods. 2529 * 2530 * @attr ref android.R.styleable#TextView_drawableStart 2531 * @attr ref android.R.styleable#TextView_drawableTop 2532 * @attr ref android.R.styleable#TextView_drawableEnd 2533 * @attr ref android.R.styleable#TextView_drawableBottom 2534 */ 2535 @android.view.RemotableViewMethod 2536 public void setCompoundDrawablesRelativeWithIntrinsicBounds(@Nullable Drawable start, 2537 @Nullable Drawable top, @Nullable Drawable end, @Nullable Drawable bottom) { 2538 2539 if (start != null) { 2540 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 2541 } 2542 if (end != null) { 2543 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 2544 } 2545 if (top != null) { 2546 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2547 } 2548 if (bottom != null) { 2549 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2550 } 2551 setCompoundDrawablesRelative(start, top, end, bottom); 2552 } 2553 2554 /** 2555 * Returns drawables for the left, top, right, and bottom borders. 2556 * 2557 * @attr ref android.R.styleable#TextView_drawableLeft 2558 * @attr ref android.R.styleable#TextView_drawableTop 2559 * @attr ref android.R.styleable#TextView_drawableRight 2560 * @attr ref android.R.styleable#TextView_drawableBottom 2561 */ 2562 @NonNull 2563 public Drawable[] getCompoundDrawables() { 2564 final Drawables dr = mDrawables; 2565 if (dr != null) { 2566 return dr.mShowing.clone(); 2567 } else { 2568 return new Drawable[] { null, null, null, null }; 2569 } 2570 } 2571 2572 /** 2573 * Returns drawables for the start, top, end, and bottom borders. 2574 * 2575 * @attr ref android.R.styleable#TextView_drawableStart 2576 * @attr ref android.R.styleable#TextView_drawableTop 2577 * @attr ref android.R.styleable#TextView_drawableEnd 2578 * @attr ref android.R.styleable#TextView_drawableBottom 2579 */ 2580 @NonNull 2581 public Drawable[] getCompoundDrawablesRelative() { 2582 final Drawables dr = mDrawables; 2583 if (dr != null) { 2584 return new Drawable[] { 2585 dr.mDrawableStart, dr.mShowing[Drawables.TOP], 2586 dr.mDrawableEnd, dr.mShowing[Drawables.BOTTOM] 2587 }; 2588 } else { 2589 return new Drawable[] { null, null, null, null }; 2590 } 2591 } 2592 2593 /** 2594 * Sets the size of the padding between the compound drawables and 2595 * the text. 2596 * 2597 * @attr ref android.R.styleable#TextView_drawablePadding 2598 */ 2599 @android.view.RemotableViewMethod 2600 public void setCompoundDrawablePadding(int pad) { 2601 Drawables dr = mDrawables; 2602 if (pad == 0) { 2603 if (dr != null) { 2604 dr.mDrawablePadding = pad; 2605 } 2606 } else { 2607 if (dr == null) { 2608 mDrawables = dr = new Drawables(getContext()); 2609 } 2610 dr.mDrawablePadding = pad; 2611 } 2612 2613 invalidate(); 2614 requestLayout(); 2615 } 2616 2617 /** 2618 * Returns the padding between the compound drawables and the text. 2619 * 2620 * @attr ref android.R.styleable#TextView_drawablePadding 2621 */ 2622 public int getCompoundDrawablePadding() { 2623 final Drawables dr = mDrawables; 2624 return dr != null ? dr.mDrawablePadding : 0; 2625 } 2626 2627 /** 2628 * Applies a tint to the compound drawables. Does not modify the 2629 * current tint mode, which is {@link PorterDuff.Mode#SRC_IN} by default. 2630 * <p> 2631 * Subsequent calls to 2632 * {@link #setCompoundDrawables(Drawable, Drawable, Drawable, Drawable)} 2633 * and related methods will automatically mutate the drawables and apply 2634 * the specified tint and tint mode using 2635 * {@link Drawable#setTintList(ColorStateList)}. 2636 * 2637 * @param tint the tint to apply, may be {@code null} to clear tint 2638 * 2639 * @attr ref android.R.styleable#TextView_drawableTint 2640 * @see #getCompoundDrawableTintList() 2641 * @see Drawable#setTintList(ColorStateList) 2642 */ 2643 public void setCompoundDrawableTintList(@Nullable ColorStateList tint) { 2644 if (mDrawables == null) { 2645 mDrawables = new Drawables(getContext()); 2646 } 2647 mDrawables.mTintList = tint; 2648 mDrawables.mHasTint = true; 2649 2650 applyCompoundDrawableTint(); 2651 } 2652 2653 /** 2654 * @return the tint applied to the compound drawables 2655 * @attr ref android.R.styleable#TextView_drawableTint 2656 * @see #setCompoundDrawableTintList(ColorStateList) 2657 */ 2658 public ColorStateList getCompoundDrawableTintList() { 2659 return mDrawables != null ? mDrawables.mTintList : null; 2660 } 2661 2662 /** 2663 * Specifies the blending mode used to apply the tint specified by 2664 * {@link #setCompoundDrawableTintList(ColorStateList)} to the compound 2665 * drawables. The default mode is {@link PorterDuff.Mode#SRC_IN}. 2666 * 2667 * @param tintMode the blending mode used to apply the tint, may be 2668 * {@code null} to clear tint 2669 * @attr ref android.R.styleable#TextView_drawableTintMode 2670 * @see #setCompoundDrawableTintList(ColorStateList) 2671 * @see Drawable#setTintMode(PorterDuff.Mode) 2672 */ 2673 public void setCompoundDrawableTintMode(@Nullable PorterDuff.Mode tintMode) { 2674 if (mDrawables == null) { 2675 mDrawables = new Drawables(getContext()); 2676 } 2677 mDrawables.mTintMode = tintMode; 2678 mDrawables.mHasTintMode = true; 2679 2680 applyCompoundDrawableTint(); 2681 } 2682 2683 /** 2684 * Returns the blending mode used to apply the tint to the compound 2685 * drawables, if specified. 2686 * 2687 * @return the blending mode used to apply the tint to the compound 2688 * drawables 2689 * @attr ref android.R.styleable#TextView_drawableTintMode 2690 * @see #setCompoundDrawableTintMode(PorterDuff.Mode) 2691 */ 2692 public PorterDuff.Mode getCompoundDrawableTintMode() { 2693 return mDrawables != null ? mDrawables.mTintMode : null; 2694 } 2695 2696 private void applyCompoundDrawableTint() { 2697 if (mDrawables == null) { 2698 return; 2699 } 2700 2701 if (mDrawables.mHasTint || mDrawables.mHasTintMode) { 2702 final ColorStateList tintList = mDrawables.mTintList; 2703 final PorterDuff.Mode tintMode = mDrawables.mTintMode; 2704 final boolean hasTint = mDrawables.mHasTint; 2705 final boolean hasTintMode = mDrawables.mHasTintMode; 2706 final int[] state = getDrawableState(); 2707 2708 for (Drawable dr : mDrawables.mShowing) { 2709 if (dr == null) { 2710 continue; 2711 } 2712 2713 if (dr == mDrawables.mDrawableError) { 2714 // From a developer's perspective, the error drawable isn't 2715 // a compound drawable. Don't apply the generic compound 2716 // drawable tint to it. 2717 continue; 2718 } 2719 2720 dr.mutate(); 2721 2722 if (hasTint) { 2723 dr.setTintList(tintList); 2724 } 2725 2726 if (hasTintMode) { 2727 dr.setTintMode(tintMode); 2728 } 2729 2730 // The drawable (or one of its children) may not have been 2731 // stateful before applying the tint, so let's try again. 2732 if (dr.isStateful()) { 2733 dr.setState(state); 2734 } 2735 } 2736 } 2737 } 2738 2739 @Override 2740 public void setPadding(int left, int top, int right, int bottom) { 2741 if (left != mPaddingLeft || 2742 right != mPaddingRight || 2743 top != mPaddingTop || 2744 bottom != mPaddingBottom) { 2745 nullLayouts(); 2746 } 2747 2748 // the super call will requestLayout() 2749 super.setPadding(left, top, right, bottom); 2750 invalidate(); 2751 } 2752 2753 @Override 2754 public void setPaddingRelative(int start, int top, int end, int bottom) { 2755 if (start != getPaddingStart() || 2756 end != getPaddingEnd() || 2757 top != mPaddingTop || 2758 bottom != mPaddingBottom) { 2759 nullLayouts(); 2760 } 2761 2762 // the super call will requestLayout() 2763 super.setPaddingRelative(start, top, end, bottom); 2764 invalidate(); 2765 } 2766 2767 /** 2768 * Gets the autolink mask of the text. See {@link 2769 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 2770 * possible values. 2771 * 2772 * @attr ref android.R.styleable#TextView_autoLink 2773 */ 2774 public final int getAutoLinkMask() { 2775 return mAutoLinkMask; 2776 } 2777 2778 /** 2779 * Sets the text appearance from the specified style resource. 2780 * <p> 2781 * Use a framework-defined {@code TextAppearance} style like 2782 * {@link android.R.style#TextAppearance_Material_Body1 @android:style/TextAppearance.Material.Body1} 2783 * or see {@link android.R.styleable#TextAppearance TextAppearance} for the 2784 * set of attributes that can be used in a custom style. 2785 * 2786 * @param resId the resource identifier of the style to apply 2787 * @attr ref android.R.styleable#TextView_textAppearance 2788 */ 2789 @SuppressWarnings("deprecation") 2790 public void setTextAppearance(@StyleRes int resId) { 2791 setTextAppearance(mContext, resId); 2792 } 2793 2794 /** 2795 * Sets the text color, size, style, hint color, and highlight color 2796 * from the specified TextAppearance resource. 2797 * 2798 * @deprecated Use {@link #setTextAppearance(int)} instead. 2799 */ 2800 @Deprecated 2801 public void setTextAppearance(Context context, @StyleRes int resId) { 2802 final TypedArray ta = context.obtainStyledAttributes(resId, R.styleable.TextAppearance); 2803 2804 final int textColorHighlight = ta.getColor( 2805 R.styleable.TextAppearance_textColorHighlight, 0); 2806 if (textColorHighlight != 0) { 2807 setHighlightColor(textColorHighlight); 2808 } 2809 2810 final ColorStateList textColor = ta.getColorStateList(R.styleable.TextAppearance_textColor); 2811 if (textColor != null) { 2812 setTextColor(textColor); 2813 } 2814 2815 final int textSize = ta.getDimensionPixelSize(R.styleable.TextAppearance_textSize, 0); 2816 if (textSize != 0) { 2817 setRawTextSize(textSize); 2818 } 2819 2820 final ColorStateList textColorHint = ta.getColorStateList( 2821 R.styleable.TextAppearance_textColorHint); 2822 if (textColorHint != null) { 2823 setHintTextColor(textColorHint); 2824 } 2825 2826 final ColorStateList textColorLink = ta.getColorStateList( 2827 R.styleable.TextAppearance_textColorLink); 2828 if (textColorLink != null) { 2829 setLinkTextColor(textColorLink); 2830 } 2831 2832 final String fontFamily = ta.getString(R.styleable.TextAppearance_fontFamily); 2833 final int typefaceIndex = ta.getInt(R.styleable.TextAppearance_typeface, -1); 2834 final int styleIndex = ta.getInt(R.styleable.TextAppearance_textStyle, -1); 2835 setTypefaceFromAttrs(fontFamily, typefaceIndex, styleIndex); 2836 2837 final int shadowColor = ta.getInt(R.styleable.TextAppearance_shadowColor, 0); 2838 if (shadowColor != 0) { 2839 final float dx = ta.getFloat(R.styleable.TextAppearance_shadowDx, 0); 2840 final float dy = ta.getFloat(R.styleable.TextAppearance_shadowDy, 0); 2841 final float r = ta.getFloat(R.styleable.TextAppearance_shadowRadius, 0); 2842 setShadowLayer(r, dx, dy, shadowColor); 2843 } 2844 2845 if (ta.getBoolean(R.styleable.TextAppearance_textAllCaps, false)) { 2846 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 2847 } 2848 2849 if (ta.hasValue(R.styleable.TextAppearance_elegantTextHeight)) { 2850 setElegantTextHeight(ta.getBoolean( 2851 R.styleable.TextAppearance_elegantTextHeight, false)); 2852 } 2853 2854 if (ta.hasValue(R.styleable.TextAppearance_letterSpacing)) { 2855 setLetterSpacing(ta.getFloat( 2856 R.styleable.TextAppearance_letterSpacing, 0)); 2857 } 2858 2859 if (ta.hasValue(R.styleable.TextAppearance_fontFeatureSettings)) { 2860 setFontFeatureSettings(ta.getString( 2861 R.styleable.TextAppearance_fontFeatureSettings)); 2862 } 2863 2864 ta.recycle(); 2865 } 2866 2867 /** 2868 * Get the default primary {@link Locale} of the text in this TextView. This will always be 2869 * the first member of {@link #getTextLocales()}. 2870 * @return the default primary {@link Locale} of the text in this TextView. 2871 */ 2872 @NonNull 2873 public Locale getTextLocale() { 2874 return mTextPaint.getTextLocale(); 2875 } 2876 2877 /** 2878 * Get the default {@link LocaleList} of the text in this TextView. 2879 * @return the default {@link LocaleList} of the text in this TextView. 2880 */ 2881 @NonNull @Size(min=1) 2882 public LocaleList getTextLocales() { 2883 return mTextPaint.getTextLocales(); 2884 } 2885 2886 /** 2887 * Set the default {@link LocaleList} of the text in this TextView to a one-member list 2888 * containing just the given value. 2889 * 2890 * @param locale the {@link Locale} for drawing text, must not be null. 2891 * 2892 * @see #setTextLocales 2893 */ 2894 public void setTextLocale(@NonNull Locale locale) { 2895 mLocalesChanged = true; 2896 mTextPaint.setTextLocale(locale); 2897 if (mLayout != null) { 2898 nullLayouts(); 2899 requestLayout(); 2900 invalidate(); 2901 } 2902 } 2903 2904 /** 2905 * Set the default {@link LocaleList} of the text in this TextView to the given value. 2906 * 2907 * This value is used to choose appropriate typefaces for ambiguous characters (typically used 2908 * for CJK locales to disambiguate Hanzi/Kanji/Hanja characters). It also affects 2909 * other aspects of text display, including line breaking. 2910 * 2911 * @param locales the {@link LocaleList} for drawing text, must not be null or empty. 2912 * 2913 * @see Paint#setTextLocales 2914 */ 2915 public void setTextLocales(@NonNull @Size(min=1) LocaleList locales) { 2916 mLocalesChanged = true; 2917 mTextPaint.setTextLocales(locales); 2918 if (mLayout != null) { 2919 nullLayouts(); 2920 requestLayout(); 2921 invalidate(); 2922 } 2923 } 2924 2925 @Override 2926 protected void onConfigurationChanged(Configuration newConfig) { 2927 super.onConfigurationChanged(newConfig); 2928 if (!mLocalesChanged) { 2929 mTextPaint.setTextLocales(LocaleList.getDefault()); 2930 if (mLayout != null) { 2931 nullLayouts(); 2932 requestLayout(); 2933 invalidate(); 2934 } 2935 } 2936 } 2937 2938 /** 2939 * @return the size (in pixels) of the default text size in this TextView. 2940 */ 2941 @ViewDebug.ExportedProperty(category = "text") 2942 public float getTextSize() { 2943 return mTextPaint.getTextSize(); 2944 } 2945 2946 /** 2947 * @return the size (in scaled pixels) of thee default text size in this TextView. 2948 * @hide 2949 */ 2950 @ViewDebug.ExportedProperty(category = "text") 2951 public float getScaledTextSize() { 2952 return mTextPaint.getTextSize() / mTextPaint.density; 2953 } 2954 2955 /** @hide */ 2956 @ViewDebug.ExportedProperty(category = "text", mapping = { 2957 @ViewDebug.IntToString(from = Typeface.NORMAL, to = "NORMAL"), 2958 @ViewDebug.IntToString(from = Typeface.BOLD, to = "BOLD"), 2959 @ViewDebug.IntToString(from = Typeface.ITALIC, to = "ITALIC"), 2960 @ViewDebug.IntToString(from = Typeface.BOLD_ITALIC, to = "BOLD_ITALIC") 2961 }) 2962 public int getTypefaceStyle() { 2963 Typeface typeface = mTextPaint.getTypeface(); 2964 return typeface != null ? typeface.getStyle() : Typeface.NORMAL; 2965 } 2966 2967 /** 2968 * Set the default text size to the given value, interpreted as "scaled 2969 * pixel" units. This size is adjusted based on the current density and 2970 * user font size preference. 2971 * 2972 * @param size The scaled pixel size. 2973 * 2974 * @attr ref android.R.styleable#TextView_textSize 2975 */ 2976 @android.view.RemotableViewMethod 2977 public void setTextSize(float size) { 2978 setTextSize(TypedValue.COMPLEX_UNIT_SP, size); 2979 } 2980 2981 /** 2982 * Set the default text size to a given unit and value. See {@link 2983 * TypedValue} for the possible dimension units. 2984 * 2985 * @param unit The desired dimension unit. 2986 * @param size The desired size in the given units. 2987 * 2988 * @attr ref android.R.styleable#TextView_textSize 2989 */ 2990 public void setTextSize(int unit, float size) { 2991 Context c = getContext(); 2992 Resources r; 2993 2994 if (c == null) 2995 r = Resources.getSystem(); 2996 else 2997 r = c.getResources(); 2998 2999 setRawTextSize(TypedValue.applyDimension( 3000 unit, size, r.getDisplayMetrics())); 3001 } 3002 3003 private void setRawTextSize(float size) { 3004 if (size != mTextPaint.getTextSize()) { 3005 mTextPaint.setTextSize(size); 3006 3007 if (mLayout != null) { 3008 nullLayouts(); 3009 requestLayout(); 3010 invalidate(); 3011 } 3012 } 3013 } 3014 3015 /** 3016 * @return the extent by which text is currently being stretched 3017 * horizontally. This will usually be 1. 3018 */ 3019 public float getTextScaleX() { 3020 return mTextPaint.getTextScaleX(); 3021 } 3022 3023 /** 3024 * Sets the extent by which text should be stretched horizontally. 3025 * 3026 * @attr ref android.R.styleable#TextView_textScaleX 3027 */ 3028 @android.view.RemotableViewMethod 3029 public void setTextScaleX(float size) { 3030 if (size != mTextPaint.getTextScaleX()) { 3031 mUserSetTextScaleX = true; 3032 mTextPaint.setTextScaleX(size); 3033 3034 if (mLayout != null) { 3035 nullLayouts(); 3036 requestLayout(); 3037 invalidate(); 3038 } 3039 } 3040 } 3041 3042 /** 3043 * Sets the typeface and style in which the text should be displayed. 3044 * Note that not all Typeface families actually have bold and italic 3045 * variants, so you may need to use 3046 * {@link #setTypeface(Typeface, int)} to get the appearance 3047 * that you actually want. 3048 * 3049 * @see #getTypeface() 3050 * 3051 * @attr ref android.R.styleable#TextView_fontFamily 3052 * @attr ref android.R.styleable#TextView_typeface 3053 * @attr ref android.R.styleable#TextView_textStyle 3054 */ 3055 public void setTypeface(Typeface tf) { 3056 if (mTextPaint.getTypeface() != tf) { 3057 mTextPaint.setTypeface(tf); 3058 3059 if (mLayout != null) { 3060 nullLayouts(); 3061 requestLayout(); 3062 invalidate(); 3063 } 3064 } 3065 } 3066 3067 /** 3068 * @return the current typeface and style in which the text is being 3069 * displayed. 3070 * 3071 * @see #setTypeface(Typeface) 3072 * 3073 * @attr ref android.R.styleable#TextView_fontFamily 3074 * @attr ref android.R.styleable#TextView_typeface 3075 * @attr ref android.R.styleable#TextView_textStyle 3076 */ 3077 public Typeface getTypeface() { 3078 return mTextPaint.getTypeface(); 3079 } 3080 3081 /** 3082 * Set the TextView's elegant height metrics flag. This setting selects font 3083 * variants that have not been compacted to fit Latin-based vertical 3084 * metrics, and also increases top and bottom bounds to provide more space. 3085 * 3086 * @param elegant set the paint's elegant metrics flag. 3087 * 3088 * @attr ref android.R.styleable#TextView_elegantTextHeight 3089 */ 3090 public void setElegantTextHeight(boolean elegant) { 3091 if (elegant != mTextPaint.isElegantTextHeight()) { 3092 mTextPaint.setElegantTextHeight(elegant); 3093 if (mLayout != null) { 3094 nullLayouts(); 3095 requestLayout(); 3096 invalidate(); 3097 } 3098 } 3099 } 3100 3101 /** 3102 * @return the extent by which text is currently being letter-spaced. 3103 * This will normally be 0. 3104 * 3105 * @see #setLetterSpacing(float) 3106 * @see Paint#setLetterSpacing 3107 */ 3108 public float getLetterSpacing() { 3109 return mTextPaint.getLetterSpacing(); 3110 } 3111 3112 /** 3113 * Sets text letter-spacing. The value is in 'EM' units. Typical values 3114 * for slight expansion will be around 0.05. Negative values tighten text. 3115 * 3116 * @see #getLetterSpacing() 3117 * @see Paint#getLetterSpacing 3118 * 3119 * @attr ref android.R.styleable#TextView_letterSpacing 3120 */ 3121 @android.view.RemotableViewMethod 3122 public void setLetterSpacing(float letterSpacing) { 3123 if (letterSpacing != mTextPaint.getLetterSpacing()) { 3124 mTextPaint.setLetterSpacing(letterSpacing); 3125 3126 if (mLayout != null) { 3127 nullLayouts(); 3128 requestLayout(); 3129 invalidate(); 3130 } 3131 } 3132 } 3133 3134 /** 3135 * Returns the font feature settings. The format is the same as the CSS 3136 * font-feature-settings attribute: 3137 * <a href="http://dev.w3.org/csswg/css-fonts/#propdef-font-feature-settings"> 3138 * http://dev.w3.org/csswg/css-fonts/#propdef-font-feature-settings</a> 3139 * 3140 * @return the currently set font feature settings. Default is null. 3141 * 3142 * @see #setFontFeatureSettings(String) 3143 * @see Paint#setFontFeatureSettings(String) Paint.setFontFeatureSettings(String) 3144 */ 3145 @Nullable 3146 public String getFontFeatureSettings() { 3147 return mTextPaint.getFontFeatureSettings(); 3148 } 3149 3150 /** 3151 * Sets the break strategy for breaking paragraphs into lines. The default value for 3152 * TextView is {@link Layout#BREAK_STRATEGY_HIGH_QUALITY}, and the default value for 3153 * EditText is {@link Layout#BREAK_STRATEGY_SIMPLE}, the latter to avoid the 3154 * text "dancing" when being edited. 3155 * 3156 * @attr ref android.R.styleable#TextView_breakStrategy 3157 * @see #getBreakStrategy() 3158 */ 3159 public void setBreakStrategy(@Layout.BreakStrategy int breakStrategy) { 3160 mBreakStrategy = breakStrategy; 3161 if (mLayout != null) { 3162 nullLayouts(); 3163 requestLayout(); 3164 invalidate(); 3165 } 3166 } 3167 3168 /** 3169 * @return the currently set break strategy. 3170 * 3171 * @attr ref android.R.styleable#TextView_breakStrategy 3172 * @see #setBreakStrategy(int) 3173 */ 3174 @Layout.BreakStrategy 3175 public int getBreakStrategy() { 3176 return mBreakStrategy; 3177 } 3178 3179 /** 3180 * Sets the hyphenation frequency. The default value for both TextView and EditText, which is set 3181 * from the theme, is {@link Layout#HYPHENATION_FREQUENCY_NORMAL}. 3182 * 3183 * @attr ref android.R.styleable#TextView_hyphenationFrequency 3184 * @see #getHyphenationFrequency() 3185 */ 3186 public void setHyphenationFrequency(@Layout.HyphenationFrequency int hyphenationFrequency) { 3187 mHyphenationFrequency = hyphenationFrequency; 3188 if (mLayout != null) { 3189 nullLayouts(); 3190 requestLayout(); 3191 invalidate(); 3192 } 3193 } 3194 3195 /** 3196 * @return the currently set hyphenation frequency. 3197 * 3198 * @attr ref android.R.styleable#TextView_hyphenationFrequency 3199 * @see #setHyphenationFrequency(int) 3200 */ 3201 @Layout.HyphenationFrequency 3202 public int getHyphenationFrequency() { 3203 return mHyphenationFrequency; 3204 } 3205 3206 /** 3207 * Sets font feature settings. The format is the same as the CSS 3208 * font-feature-settings attribute: 3209 * <a href="http://dev.w3.org/csswg/css-fonts/#propdef-font-feature-settings"> 3210 * http://dev.w3.org/csswg/css-fonts/#propdef-font-feature-settings</a> 3211 * 3212 * @param fontFeatureSettings font feature settings represented as CSS compatible string 3213 * 3214 * @see #getFontFeatureSettings() 3215 * @see Paint#getFontFeatureSettings() Paint.getFontFeatureSettings() 3216 * 3217 * @attr ref android.R.styleable#TextView_fontFeatureSettings 3218 */ 3219 @android.view.RemotableViewMethod 3220 public void setFontFeatureSettings(@Nullable String fontFeatureSettings) { 3221 if (fontFeatureSettings != mTextPaint.getFontFeatureSettings()) { 3222 mTextPaint.setFontFeatureSettings(fontFeatureSettings); 3223 3224 if (mLayout != null) { 3225 nullLayouts(); 3226 requestLayout(); 3227 invalidate(); 3228 } 3229 } 3230 } 3231 3232 3233 /** 3234 * Sets the text color for all the states (normal, selected, 3235 * focused) to be this color. 3236 * 3237 * @see #setTextColor(ColorStateList) 3238 * @see #getTextColors() 3239 * 3240 * @attr ref android.R.styleable#TextView_textColor 3241 */ 3242 @android.view.RemotableViewMethod 3243 public void setTextColor(@ColorInt int color) { 3244 mTextColor = ColorStateList.valueOf(color); 3245 updateTextColors(); 3246 } 3247 3248 /** 3249 * Sets the text color. 3250 * 3251 * @see #setTextColor(int) 3252 * @see #getTextColors() 3253 * @see #setHintTextColor(ColorStateList) 3254 * @see #setLinkTextColor(ColorStateList) 3255 * 3256 * @attr ref android.R.styleable#TextView_textColor 3257 */ 3258 public void setTextColor(ColorStateList colors) { 3259 if (colors == null) { 3260 throw new NullPointerException(); 3261 } 3262 3263 mTextColor = colors; 3264 updateTextColors(); 3265 } 3266 3267 /** 3268 * Gets the text colors for the different states (normal, selected, focused) of the TextView. 3269 * 3270 * @see #setTextColor(ColorStateList) 3271 * @see #setTextColor(int) 3272 * 3273 * @attr ref android.R.styleable#TextView_textColor 3274 */ 3275 public final ColorStateList getTextColors() { 3276 return mTextColor; 3277 } 3278 3279 /** 3280 * <p>Return the current color selected for normal text.</p> 3281 * 3282 * @return Returns the current text color. 3283 */ 3284 @ColorInt 3285 public final int getCurrentTextColor() { 3286 return mCurTextColor; 3287 } 3288 3289 /** 3290 * Sets the color used to display the selection highlight. 3291 * 3292 * @attr ref android.R.styleable#TextView_textColorHighlight 3293 */ 3294 @android.view.RemotableViewMethod 3295 public void setHighlightColor(@ColorInt int color) { 3296 if (mHighlightColor != color) { 3297 mHighlightColor = color; 3298 invalidate(); 3299 } 3300 } 3301 3302 /** 3303 * @return the color used to display the selection highlight 3304 * 3305 * @see #setHighlightColor(int) 3306 * 3307 * @attr ref android.R.styleable#TextView_textColorHighlight 3308 */ 3309 @ColorInt 3310 public int getHighlightColor() { 3311 return mHighlightColor; 3312 } 3313 3314 /** 3315 * Sets whether the soft input method will be made visible when this 3316 * TextView gets focused. The default is true. 3317 */ 3318 @android.view.RemotableViewMethod 3319 public final void setShowSoftInputOnFocus(boolean show) { 3320 createEditorIfNeeded(); 3321 mEditor.mShowSoftInputOnFocus = show; 3322 } 3323 3324 /** 3325 * Returns whether the soft input method will be made visible when this 3326 * TextView gets focused. The default is true. 3327 */ 3328 public final boolean getShowSoftInputOnFocus() { 3329 // When there is no Editor, return default true value 3330 return mEditor == null || mEditor.mShowSoftInputOnFocus; 3331 } 3332 3333 /** 3334 * Gives the text a shadow of the specified blur radius and color, the specified 3335 * distance from its drawn position. 3336 * <p> 3337 * The text shadow produced does not interact with the properties on view 3338 * that are responsible for real time shadows, 3339 * {@link View#getElevation() elevation} and 3340 * {@link View#getTranslationZ() translationZ}. 3341 * 3342 * @see Paint#setShadowLayer(float, float, float, int) 3343 * 3344 * @attr ref android.R.styleable#TextView_shadowColor 3345 * @attr ref android.R.styleable#TextView_shadowDx 3346 * @attr ref android.R.styleable#TextView_shadowDy 3347 * @attr ref android.R.styleable#TextView_shadowRadius 3348 */ 3349 public void setShadowLayer(float radius, float dx, float dy, int color) { 3350 mTextPaint.setShadowLayer(radius, dx, dy, color); 3351 3352 mShadowRadius = radius; 3353 mShadowDx = dx; 3354 mShadowDy = dy; 3355 mShadowColor = color; 3356 3357 // Will change text clip region 3358 if (mEditor != null) { 3359 mEditor.invalidateTextDisplayList(); 3360 mEditor.invalidateHandlesAndActionMode(); 3361 } 3362 invalidate(); 3363 } 3364 3365 /** 3366 * Gets the radius of the shadow layer. 3367 * 3368 * @return the radius of the shadow layer. If 0, the shadow layer is not visible 3369 * 3370 * @see #setShadowLayer(float, float, float, int) 3371 * 3372 * @attr ref android.R.styleable#TextView_shadowRadius 3373 */ 3374 public float getShadowRadius() { 3375 return mShadowRadius; 3376 } 3377 3378 /** 3379 * @return the horizontal offset of the shadow layer 3380 * 3381 * @see #setShadowLayer(float, float, float, int) 3382 * 3383 * @attr ref android.R.styleable#TextView_shadowDx 3384 */ 3385 public float getShadowDx() { 3386 return mShadowDx; 3387 } 3388 3389 /** 3390 * @return the vertical offset of the shadow layer 3391 * 3392 * @see #setShadowLayer(float, float, float, int) 3393 * 3394 * @attr ref android.R.styleable#TextView_shadowDy 3395 */ 3396 public float getShadowDy() { 3397 return mShadowDy; 3398 } 3399 3400 /** 3401 * @return the color of the shadow layer 3402 * 3403 * @see #setShadowLayer(float, float, float, int) 3404 * 3405 * @attr ref android.R.styleable#TextView_shadowColor 3406 */ 3407 @ColorInt 3408 public int getShadowColor() { 3409 return mShadowColor; 3410 } 3411 3412 /** 3413 * @return the base paint used for the text. Please use this only to 3414 * consult the Paint's properties and not to change them. 3415 */ 3416 public TextPaint getPaint() { 3417 return mTextPaint; 3418 } 3419 3420 /** 3421 * Sets the autolink mask of the text. See {@link 3422 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 3423 * possible values. 3424 * 3425 * @attr ref android.R.styleable#TextView_autoLink 3426 */ 3427 @android.view.RemotableViewMethod 3428 public final void setAutoLinkMask(int mask) { 3429 mAutoLinkMask = mask; 3430 } 3431 3432 /** 3433 * Sets whether the movement method will automatically be set to 3434 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 3435 * set to nonzero and links are detected in {@link #setText}. 3436 * The default is true. 3437 * 3438 * @attr ref android.R.styleable#TextView_linksClickable 3439 */ 3440 @android.view.RemotableViewMethod 3441 public final void setLinksClickable(boolean whether) { 3442 mLinksClickable = whether; 3443 } 3444 3445 /** 3446 * Returns whether the movement method will automatically be set to 3447 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 3448 * set to nonzero and links are detected in {@link #setText}. 3449 * The default is true. 3450 * 3451 * @attr ref android.R.styleable#TextView_linksClickable 3452 */ 3453 public final boolean getLinksClickable() { 3454 return mLinksClickable; 3455 } 3456 3457 /** 3458 * Returns the list of URLSpans attached to the text 3459 * (by {@link Linkify} or otherwise) if any. You can call 3460 * {@link URLSpan#getURL} on them to find where they link to 3461 * or use {@link Spanned#getSpanStart} and {@link Spanned#getSpanEnd} 3462 * to find the region of the text they are attached to. 3463 */ 3464 public URLSpan[] getUrls() { 3465 if (mText instanceof Spanned) { 3466 return ((Spanned) mText).getSpans(0, mText.length(), URLSpan.class); 3467 } else { 3468 return new URLSpan[0]; 3469 } 3470 } 3471 3472 /** 3473 * Sets the color of the hint text for all the states (disabled, focussed, selected...) of this 3474 * TextView. 3475 * 3476 * @see #setHintTextColor(ColorStateList) 3477 * @see #getHintTextColors() 3478 * @see #setTextColor(int) 3479 * 3480 * @attr ref android.R.styleable#TextView_textColorHint 3481 */ 3482 @android.view.RemotableViewMethod 3483 public final void setHintTextColor(@ColorInt int color) { 3484 mHintTextColor = ColorStateList.valueOf(color); 3485 updateTextColors(); 3486 } 3487 3488 /** 3489 * Sets the color of the hint text. 3490 * 3491 * @see #getHintTextColors() 3492 * @see #setHintTextColor(int) 3493 * @see #setTextColor(ColorStateList) 3494 * @see #setLinkTextColor(ColorStateList) 3495 * 3496 * @attr ref android.R.styleable#TextView_textColorHint 3497 */ 3498 public final void setHintTextColor(ColorStateList colors) { 3499 mHintTextColor = colors; 3500 updateTextColors(); 3501 } 3502 3503 /** 3504 * @return the color of the hint text, for the different states of this TextView. 3505 * 3506 * @see #setHintTextColor(ColorStateList) 3507 * @see #setHintTextColor(int) 3508 * @see #setTextColor(ColorStateList) 3509 * @see #setLinkTextColor(ColorStateList) 3510 * 3511 * @attr ref android.R.styleable#TextView_textColorHint 3512 */ 3513 public final ColorStateList getHintTextColors() { 3514 return mHintTextColor; 3515 } 3516 3517 /** 3518 * <p>Return the current color selected to paint the hint text.</p> 3519 * 3520 * @return Returns the current hint text color. 3521 */ 3522 @ColorInt 3523 public final int getCurrentHintTextColor() { 3524 return mHintTextColor != null ? mCurHintTextColor : mCurTextColor; 3525 } 3526 3527 /** 3528 * Sets the color of links in the text. 3529 * 3530 * @see #setLinkTextColor(ColorStateList) 3531 * @see #getLinkTextColors() 3532 * 3533 * @attr ref android.R.styleable#TextView_textColorLink 3534 */ 3535 @android.view.RemotableViewMethod 3536 public final void setLinkTextColor(@ColorInt int color) { 3537 mLinkTextColor = ColorStateList.valueOf(color); 3538 updateTextColors(); 3539 } 3540 3541 /** 3542 * Sets the color of links in the text. 3543 * 3544 * @see #setLinkTextColor(int) 3545 * @see #getLinkTextColors() 3546 * @see #setTextColor(ColorStateList) 3547 * @see #setHintTextColor(ColorStateList) 3548 * 3549 * @attr ref android.R.styleable#TextView_textColorLink 3550 */ 3551 public final void setLinkTextColor(ColorStateList colors) { 3552 mLinkTextColor = colors; 3553 updateTextColors(); 3554 } 3555 3556 /** 3557 * @return the list of colors used to paint the links in the text, for the different states of 3558 * this TextView 3559 * 3560 * @see #setLinkTextColor(ColorStateList) 3561 * @see #setLinkTextColor(int) 3562 * 3563 * @attr ref android.R.styleable#TextView_textColorLink 3564 */ 3565 public final ColorStateList getLinkTextColors() { 3566 return mLinkTextColor; 3567 } 3568 3569 /** 3570 * Sets the horizontal alignment of the text and the 3571 * vertical gravity that will be used when there is extra space 3572 * in the TextView beyond what is required for the text itself. 3573 * 3574 * @see android.view.Gravity 3575 * @attr ref android.R.styleable#TextView_gravity 3576 */ 3577 public void setGravity(int gravity) { 3578 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) == 0) { 3579 gravity |= Gravity.START; 3580 } 3581 if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 3582 gravity |= Gravity.TOP; 3583 } 3584 3585 boolean newLayout = false; 3586 3587 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) != 3588 (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK)) { 3589 newLayout = true; 3590 } 3591 3592 if (gravity != mGravity) { 3593 invalidate(); 3594 } 3595 3596 mGravity = gravity; 3597 3598 if (mLayout != null && newLayout) { 3599 // XXX this is heavy-handed because no actual content changes. 3600 int want = mLayout.getWidth(); 3601 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 3602 3603 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 3604 mRight - mLeft - getCompoundPaddingLeft() - 3605 getCompoundPaddingRight(), true); 3606 } 3607 } 3608 3609 /** 3610 * Returns the horizontal and vertical alignment of this TextView. 3611 * 3612 * @see android.view.Gravity 3613 * @attr ref android.R.styleable#TextView_gravity 3614 */ 3615 public int getGravity() { 3616 return mGravity; 3617 } 3618 3619 /** 3620 * @return the flags on the Paint being used to display the text. 3621 * @see Paint#getFlags 3622 */ 3623 public int getPaintFlags() { 3624 return mTextPaint.getFlags(); 3625 } 3626 3627 /** 3628 * Sets flags on the Paint being used to display the text and 3629 * reflows the text if they are different from the old flags. 3630 * @see Paint#setFlags 3631 */ 3632 @android.view.RemotableViewMethod 3633 public void setPaintFlags(int flags) { 3634 if (mTextPaint.getFlags() != flags) { 3635 mTextPaint.setFlags(flags); 3636 3637 if (mLayout != null) { 3638 nullLayouts(); 3639 requestLayout(); 3640 invalidate(); 3641 } 3642 } 3643 } 3644 3645 /** 3646 * Sets whether the text should be allowed to be wider than the 3647 * View is. If false, it will be wrapped to the width of the View. 3648 * 3649 * @attr ref android.R.styleable#TextView_scrollHorizontally 3650 */ 3651 public void setHorizontallyScrolling(boolean whether) { 3652 if (mHorizontallyScrolling != whether) { 3653 mHorizontallyScrolling = whether; 3654 3655 if (mLayout != null) { 3656 nullLayouts(); 3657 requestLayout(); 3658 invalidate(); 3659 } 3660 } 3661 } 3662 3663 /** 3664 * Returns whether the text is allowed to be wider than the View is. 3665 * If false, the text will be wrapped to the width of the View. 3666 * 3667 * @attr ref android.R.styleable#TextView_scrollHorizontally 3668 * @hide 3669 */ 3670 public boolean getHorizontallyScrolling() { 3671 return mHorizontallyScrolling; 3672 } 3673 3674 /** 3675 * Makes the TextView at least this many lines tall. 3676 * 3677 * Setting this value overrides any other (minimum) height setting. A single line TextView will 3678 * set this value to 1. 3679 * 3680 * @see #getMinLines() 3681 * 3682 * @attr ref android.R.styleable#TextView_minLines 3683 */ 3684 @android.view.RemotableViewMethod 3685 public void setMinLines(int minlines) { 3686 mMinimum = minlines; 3687 mMinMode = LINES; 3688 3689 requestLayout(); 3690 invalidate(); 3691 } 3692 3693 /** 3694 * @return the minimum number of lines displayed in this TextView, or -1 if the minimum 3695 * height was set in pixels instead using {@link #setMinHeight(int) or #setHeight(int)}. 3696 * 3697 * @see #setMinLines(int) 3698 * 3699 * @attr ref android.R.styleable#TextView_minLines 3700 */ 3701 public int getMinLines() { 3702 return mMinMode == LINES ? mMinimum : -1; 3703 } 3704 3705 /** 3706 * Makes the TextView at least this many pixels tall. 3707 * 3708 * Setting this value overrides any other (minimum) number of lines setting. 3709 * 3710 * @attr ref android.R.styleable#TextView_minHeight 3711 */ 3712 @android.view.RemotableViewMethod 3713 public void setMinHeight(int minHeight) { 3714 mMinimum = minHeight; 3715 mMinMode = PIXELS; 3716 3717 requestLayout(); 3718 invalidate(); 3719 } 3720 3721 /** 3722 * @return the minimum height of this TextView expressed in pixels, or -1 if the minimum 3723 * height was set in number of lines instead using {@link #setMinLines(int) or #setLines(int)}. 3724 * 3725 * @see #setMinHeight(int) 3726 * 3727 * @attr ref android.R.styleable#TextView_minHeight 3728 */ 3729 public int getMinHeight() { 3730 return mMinMode == PIXELS ? mMinimum : -1; 3731 } 3732 3733 /** 3734 * Makes the TextView at most this many lines tall. 3735 * 3736 * Setting this value overrides any other (maximum) height setting. 3737 * 3738 * @attr ref android.R.styleable#TextView_maxLines 3739 */ 3740 @android.view.RemotableViewMethod 3741 public void setMaxLines(int maxlines) { 3742 mMaximum = maxlines; 3743 mMaxMode = LINES; 3744 3745 requestLayout(); 3746 invalidate(); 3747 } 3748 3749 /** 3750 * @return the maximum number of lines displayed in this TextView, or -1 if the maximum 3751 * height was set in pixels instead using {@link #setMaxHeight(int) or #setHeight(int)}. 3752 * 3753 * @see #setMaxLines(int) 3754 * 3755 * @attr ref android.R.styleable#TextView_maxLines 3756 */ 3757 public int getMaxLines() { 3758 return mMaxMode == LINES ? mMaximum : -1; 3759 } 3760 3761 /** 3762 * Makes the TextView at most this many pixels tall. This option is mutually exclusive with the 3763 * {@link #setMaxLines(int)} method. 3764 * 3765 * Setting this value overrides any other (maximum) number of lines setting. 3766 * 3767 * @attr ref android.R.styleable#TextView_maxHeight 3768 */ 3769 @android.view.RemotableViewMethod 3770 public void setMaxHeight(int maxHeight) { 3771 mMaximum = maxHeight; 3772 mMaxMode = PIXELS; 3773 3774 requestLayout(); 3775 invalidate(); 3776 } 3777 3778 /** 3779 * @return the maximum height of this TextView expressed in pixels, or -1 if the maximum 3780 * height was set in number of lines instead using {@link #setMaxLines(int) or #setLines(int)}. 3781 * 3782 * @see #setMaxHeight(int) 3783 * 3784 * @attr ref android.R.styleable#TextView_maxHeight 3785 */ 3786 public int getMaxHeight() { 3787 return mMaxMode == PIXELS ? mMaximum : -1; 3788 } 3789 3790 /** 3791 * Makes the TextView exactly this many lines tall. 3792 * 3793 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3794 * height setting. A single line TextView will set this value to 1. 3795 * 3796 * @attr ref android.R.styleable#TextView_lines 3797 */ 3798 @android.view.RemotableViewMethod 3799 public void setLines(int lines) { 3800 mMaximum = mMinimum = lines; 3801 mMaxMode = mMinMode = LINES; 3802 3803 requestLayout(); 3804 invalidate(); 3805 } 3806 3807 /** 3808 * Makes the TextView exactly this many pixels tall. 3809 * You could do the same thing by specifying this number in the 3810 * LayoutParams. 3811 * 3812 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3813 * height setting. 3814 * 3815 * @attr ref android.R.styleable#TextView_height 3816 */ 3817 @android.view.RemotableViewMethod 3818 public void setHeight(int pixels) { 3819 mMaximum = mMinimum = pixels; 3820 mMaxMode = mMinMode = PIXELS; 3821 3822 requestLayout(); 3823 invalidate(); 3824 } 3825 3826 /** 3827 * Makes the TextView at least this many ems wide 3828 * 3829 * @attr ref android.R.styleable#TextView_minEms 3830 */ 3831 @android.view.RemotableViewMethod 3832 public void setMinEms(int minems) { 3833 mMinWidth = minems; 3834 mMinWidthMode = EMS; 3835 3836 requestLayout(); 3837 invalidate(); 3838 } 3839 3840 /** 3841 * @return the minimum width of the TextView, expressed in ems or -1 if the minimum width 3842 * was set in pixels instead (using {@link #setMinWidth(int)} or {@link #setWidth(int)}). 3843 * 3844 * @see #setMinEms(int) 3845 * @see #setEms(int) 3846 * 3847 * @attr ref android.R.styleable#TextView_minEms 3848 */ 3849 public int getMinEms() { 3850 return mMinWidthMode == EMS ? mMinWidth : -1; 3851 } 3852 3853 /** 3854 * Makes the TextView at least this many pixels wide 3855 * 3856 * @attr ref android.R.styleable#TextView_minWidth 3857 */ 3858 @android.view.RemotableViewMethod 3859 public void setMinWidth(int minpixels) { 3860 mMinWidth = minpixels; 3861 mMinWidthMode = PIXELS; 3862 3863 requestLayout(); 3864 invalidate(); 3865 } 3866 3867 /** 3868 * @return the minimum width of the TextView, in pixels or -1 if the minimum width 3869 * was set in ems instead (using {@link #setMinEms(int)} or {@link #setEms(int)}). 3870 * 3871 * @see #setMinWidth(int) 3872 * @see #setWidth(int) 3873 * 3874 * @attr ref android.R.styleable#TextView_minWidth 3875 */ 3876 public int getMinWidth() { 3877 return mMinWidthMode == PIXELS ? mMinWidth : -1; 3878 } 3879 3880 /** 3881 * Makes the TextView at most this many ems wide 3882 * 3883 * @attr ref android.R.styleable#TextView_maxEms 3884 */ 3885 @android.view.RemotableViewMethod 3886 public void setMaxEms(int maxems) { 3887 mMaxWidth = maxems; 3888 mMaxWidthMode = EMS; 3889 3890 requestLayout(); 3891 invalidate(); 3892 } 3893 3894 /** 3895 * @return the maximum width of the TextView, expressed in ems or -1 if the maximum width 3896 * was set in pixels instead (using {@link #setMaxWidth(int)} or {@link #setWidth(int)}). 3897 * 3898 * @see #setMaxEms(int) 3899 * @see #setEms(int) 3900 * 3901 * @attr ref android.R.styleable#TextView_maxEms 3902 */ 3903 public int getMaxEms() { 3904 return mMaxWidthMode == EMS ? mMaxWidth : -1; 3905 } 3906 3907 /** 3908 * Makes the TextView at most this many pixels wide 3909 * 3910 * @attr ref android.R.styleable#TextView_maxWidth 3911 */ 3912 @android.view.RemotableViewMethod 3913 public void setMaxWidth(int maxpixels) { 3914 mMaxWidth = maxpixels; 3915 mMaxWidthMode = PIXELS; 3916 3917 requestLayout(); 3918 invalidate(); 3919 } 3920 3921 /** 3922 * @return the maximum width of the TextView, in pixels or -1 if the maximum width 3923 * was set in ems instead (using {@link #setMaxEms(int)} or {@link #setEms(int)}). 3924 * 3925 * @see #setMaxWidth(int) 3926 * @see #setWidth(int) 3927 * 3928 * @attr ref android.R.styleable#TextView_maxWidth 3929 */ 3930 public int getMaxWidth() { 3931 return mMaxWidthMode == PIXELS ? mMaxWidth : -1; 3932 } 3933 3934 /** 3935 * Makes the TextView exactly this many ems wide 3936 * 3937 * @see #setMaxEms(int) 3938 * @see #setMinEms(int) 3939 * @see #getMinEms() 3940 * @see #getMaxEms() 3941 * 3942 * @attr ref android.R.styleable#TextView_ems 3943 */ 3944 @android.view.RemotableViewMethod 3945 public void setEms(int ems) { 3946 mMaxWidth = mMinWidth = ems; 3947 mMaxWidthMode = mMinWidthMode = EMS; 3948 3949 requestLayout(); 3950 invalidate(); 3951 } 3952 3953 /** 3954 * Makes the TextView exactly this many pixels wide. 3955 * You could do the same thing by specifying this number in the 3956 * LayoutParams. 3957 * 3958 * @see #setMaxWidth(int) 3959 * @see #setMinWidth(int) 3960 * @see #getMinWidth() 3961 * @see #getMaxWidth() 3962 * 3963 * @attr ref android.R.styleable#TextView_width 3964 */ 3965 @android.view.RemotableViewMethod 3966 public void setWidth(int pixels) { 3967 mMaxWidth = mMinWidth = pixels; 3968 mMaxWidthMode = mMinWidthMode = PIXELS; 3969 3970 requestLayout(); 3971 invalidate(); 3972 } 3973 3974 /** 3975 * Sets line spacing for this TextView. Each line will have its height 3976 * multiplied by <code>mult</code> and have <code>add</code> added to it. 3977 * 3978 * @attr ref android.R.styleable#TextView_lineSpacingExtra 3979 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 3980 */ 3981 public void setLineSpacing(float add, float mult) { 3982 if (mSpacingAdd != add || mSpacingMult != mult) { 3983 mSpacingAdd = add; 3984 mSpacingMult = mult; 3985 3986 if (mLayout != null) { 3987 nullLayouts(); 3988 requestLayout(); 3989 invalidate(); 3990 } 3991 } 3992 } 3993 3994 /** 3995 * Gets the line spacing multiplier 3996 * 3997 * @return the value by which each line's height is multiplied to get its actual height. 3998 * 3999 * @see #setLineSpacing(float, float) 4000 * @see #getLineSpacingExtra() 4001 * 4002 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 4003 */ 4004 public float getLineSpacingMultiplier() { 4005 return mSpacingMult; 4006 } 4007 4008 /** 4009 * Gets the line spacing extra space 4010 * 4011 * @return the extra space that is added to the height of each lines of this TextView. 4012 * 4013 * @see #setLineSpacing(float, float) 4014 * @see #getLineSpacingMultiplier() 4015 * 4016 * @attr ref android.R.styleable#TextView_lineSpacingExtra 4017 */ 4018 public float getLineSpacingExtra() { 4019 return mSpacingAdd; 4020 } 4021 4022 /** 4023 * Convenience method: Append the specified text to the TextView's 4024 * display buffer, upgrading it to BufferType.EDITABLE if it was 4025 * not already editable. 4026 */ 4027 public final void append(CharSequence text) { 4028 append(text, 0, text.length()); 4029 } 4030 4031 /** 4032 * Convenience method: Append the specified text slice to the TextView's 4033 * display buffer, upgrading it to BufferType.EDITABLE if it was 4034 * not already editable. 4035 */ 4036 public void append(CharSequence text, int start, int end) { 4037 if (!(mText instanceof Editable)) { 4038 setText(mText, BufferType.EDITABLE); 4039 } 4040 4041 ((Editable) mText).append(text, start, end); 4042 4043 if (mAutoLinkMask != 0) { 4044 boolean linksWereAdded = Linkify.addLinks((Spannable) mText, mAutoLinkMask); 4045 // Do not change the movement method for text that support text selection as it 4046 // would prevent an arbitrary cursor displacement. 4047 if (linksWereAdded && mLinksClickable && !textCanBeSelected()) { 4048 setMovementMethod(LinkMovementMethod.getInstance()); 4049 } 4050 } 4051 } 4052 4053 private void updateTextColors() { 4054 boolean inval = false; 4055 int color = mTextColor.getColorForState(getDrawableState(), 0); 4056 if (color != mCurTextColor) { 4057 mCurTextColor = color; 4058 inval = true; 4059 } 4060 if (mLinkTextColor != null) { 4061 color = mLinkTextColor.getColorForState(getDrawableState(), 0); 4062 if (color != mTextPaint.linkColor) { 4063 mTextPaint.linkColor = color; 4064 inval = true; 4065 } 4066 } 4067 if (mHintTextColor != null) { 4068 color = mHintTextColor.getColorForState(getDrawableState(), 0); 4069 if (color != mCurHintTextColor) { 4070 mCurHintTextColor = color; 4071 if (mText.length() == 0) { 4072 inval = true; 4073 } 4074 } 4075 } 4076 if (inval) { 4077 // Text needs to be redrawn with the new color 4078 if (mEditor != null) mEditor.invalidateTextDisplayList(); 4079 invalidate(); 4080 } 4081 } 4082 4083 @Override 4084 protected void drawableStateChanged() { 4085 super.drawableStateChanged(); 4086 4087 if (mTextColor != null && mTextColor.isStateful() 4088 || (mHintTextColor != null && mHintTextColor.isStateful()) 4089 || (mLinkTextColor != null && mLinkTextColor.isStateful())) { 4090 updateTextColors(); 4091 } 4092 4093 if (mDrawables != null) { 4094 final int[] state = getDrawableState(); 4095 for (Drawable dr : mDrawables.mShowing) { 4096 if (dr != null && dr.isStateful() && dr.setState(state)) { 4097 invalidateDrawable(dr); 4098 } 4099 } 4100 } 4101 } 4102 4103 @Override 4104 public void drawableHotspotChanged(float x, float y) { 4105 super.drawableHotspotChanged(x, y); 4106 4107 if (mDrawables != null) { 4108 for (Drawable dr : mDrawables.mShowing) { 4109 if (dr != null) { 4110 dr.setHotspot(x, y); 4111 } 4112 } 4113 } 4114 } 4115 4116 @Override 4117 public Parcelable onSaveInstanceState() { 4118 Parcelable superState = super.onSaveInstanceState(); 4119 4120 // Save state if we are forced to 4121 final boolean freezesText = getFreezesText(); 4122 boolean hasSelection = false; 4123 int start = -1; 4124 int end = -1; 4125 4126 if (mText != null) { 4127 start = getSelectionStart(); 4128 end = getSelectionEnd(); 4129 if (start >= 0 || end >= 0) { 4130 // Or save state if there is a selection 4131 hasSelection = true; 4132 } 4133 } 4134 4135 if (freezesText || hasSelection) { 4136 SavedState ss = new SavedState(superState); 4137 4138 if (freezesText) { 4139 if (mText instanceof Spanned) { 4140 final Spannable sp = new SpannableStringBuilder(mText); 4141 4142 if (mEditor != null) { 4143 removeMisspelledSpans(sp); 4144 sp.removeSpan(mEditor.mSuggestionRangeSpan); 4145 } 4146 4147 ss.text = sp; 4148 } else { 4149 ss.text = mText.toString(); 4150 } 4151 } 4152 4153 if (hasSelection) { 4154 // XXX Should also save the current scroll position! 4155 ss.selStart = start; 4156 ss.selEnd = end; 4157 } 4158 4159 if (isFocused() && start >= 0 && end >= 0) { 4160 ss.frozenWithFocus = true; 4161 } 4162 4163 ss.error = getError(); 4164 4165 if (mEditor != null) { 4166 ss.editorState = mEditor.saveInstanceState(); 4167 } 4168 return ss; 4169 } 4170 4171 return superState; 4172 } 4173 4174 void removeMisspelledSpans(Spannable spannable) { 4175 SuggestionSpan[] suggestionSpans = spannable.getSpans(0, spannable.length(), 4176 SuggestionSpan.class); 4177 for (int i = 0; i < suggestionSpans.length; i++) { 4178 int flags = suggestionSpans[i].getFlags(); 4179 if ((flags & SuggestionSpan.FLAG_EASY_CORRECT) != 0 4180 && (flags & SuggestionSpan.FLAG_MISSPELLED) != 0) { 4181 spannable.removeSpan(suggestionSpans[i]); 4182 } 4183 } 4184 } 4185 4186 @Override 4187 public void onRestoreInstanceState(Parcelable state) { 4188 if (!(state instanceof SavedState)) { 4189 super.onRestoreInstanceState(state); 4190 return; 4191 } 4192 4193 SavedState ss = (SavedState)state; 4194 super.onRestoreInstanceState(ss.getSuperState()); 4195 4196 // XXX restore buffer type too, as well as lots of other stuff 4197 if (ss.text != null) { 4198 setText(ss.text); 4199 } 4200 4201 if (ss.selStart >= 0 && ss.selEnd >= 0) { 4202 if (mText instanceof Spannable) { 4203 int len = mText.length(); 4204 4205 if (ss.selStart > len || ss.selEnd > len) { 4206 String restored = ""; 4207 4208 if (ss.text != null) { 4209 restored = "(restored) "; 4210 } 4211 4212 Log.e(LOG_TAG, "Saved cursor position " + ss.selStart + 4213 "/" + ss.selEnd + " out of range for " + restored + 4214 "text " + mText); 4215 } else { 4216 Selection.setSelection((Spannable) mText, ss.selStart, ss.selEnd); 4217 4218 if (ss.frozenWithFocus) { 4219 createEditorIfNeeded(); 4220 mEditor.mFrozenWithFocus = true; 4221 } 4222 } 4223 } 4224 } 4225 4226 if (ss.error != null) { 4227 final CharSequence error = ss.error; 4228 // Display the error later, after the first layout pass 4229 post(new Runnable() { 4230 public void run() { 4231 if (mEditor == null || !mEditor.mErrorWasChanged) { 4232 setError(error); 4233 } 4234 } 4235 }); 4236 } 4237 4238 if (ss.editorState != null) { 4239 createEditorIfNeeded(); 4240 mEditor.restoreInstanceState(ss.editorState); 4241 } 4242 } 4243 4244 /** 4245 * Control whether this text view saves its entire text contents when 4246 * freezing to an icicle, in addition to dynamic state such as cursor 4247 * position. By default this is false, not saving the text. Set to true 4248 * if the text in the text view is not being saved somewhere else in 4249 * persistent storage (such as in a content provider) so that if the 4250 * view is later thawed the user will not lose their data. For 4251 * {@link android.widget.EditText} it is always enabled, regardless of 4252 * the value of the attribute. 4253 * 4254 * @param freezesText Controls whether a frozen icicle should include the 4255 * entire text data: true to include it, false to not. 4256 * 4257 * @attr ref android.R.styleable#TextView_freezesText 4258 */ 4259 @android.view.RemotableViewMethod 4260 public void setFreezesText(boolean freezesText) { 4261 mFreezesText = freezesText; 4262 } 4263 4264 /** 4265 * Return whether this text view is including its entire text contents 4266 * in frozen icicles. For {@link android.widget.EditText} it always returns true. 4267 * 4268 * @return Returns true if text is included, false if it isn't. 4269 * 4270 * @see #setFreezesText 4271 */ 4272 public boolean getFreezesText() { 4273 return mFreezesText; 4274 } 4275 4276 /////////////////////////////////////////////////////////////////////////// 4277 4278 /** 4279 * Sets the Factory used to create new Editables. 4280 */ 4281 public final void setEditableFactory(Editable.Factory factory) { 4282 mEditableFactory = factory; 4283 setText(mText); 4284 } 4285 4286 /** 4287 * Sets the Factory used to create new Spannables. 4288 */ 4289 public final void setSpannableFactory(Spannable.Factory factory) { 4290 mSpannableFactory = factory; 4291 setText(mText); 4292 } 4293 4294 /** 4295 * Sets the string value of the TextView. TextView <em>does not</em> accept 4296 * HTML-like formatting, which you can do with text strings in XML resource files. 4297 * To style your strings, attach android.text.style.* objects to a 4298 * {@link android.text.SpannableString SpannableString}, or see the 4299 * <a href="{@docRoot}guide/topics/resources/available-resources.html#stringresources"> 4300 * Available Resource Types</a> documentation for an example of setting 4301 * formatted text in the XML resource file. 4302 * 4303 * @attr ref android.R.styleable#TextView_text 4304 */ 4305 @android.view.RemotableViewMethod 4306 public final void setText(CharSequence text) { 4307 setText(text, mBufferType); 4308 } 4309 4310 /** 4311 * Like {@link #setText(CharSequence)}, 4312 * except that the cursor position (if any) is retained in the new text. 4313 * 4314 * @param text The new text to place in the text view. 4315 * 4316 * @see #setText(CharSequence) 4317 */ 4318 @android.view.RemotableViewMethod 4319 public final void setTextKeepState(CharSequence text) { 4320 setTextKeepState(text, mBufferType); 4321 } 4322 4323 /** 4324 * Sets the text that this TextView is to display (see 4325 * {@link #setText(CharSequence)}) and also sets whether it is stored 4326 * in a styleable/spannable buffer and whether it is editable. 4327 * 4328 * @attr ref android.R.styleable#TextView_text 4329 * @attr ref android.R.styleable#TextView_bufferType 4330 */ 4331 public void setText(CharSequence text, BufferType type) { 4332 setText(text, type, true, 0); 4333 4334 if (mCharWrapper != null) { 4335 mCharWrapper.mChars = null; 4336 } 4337 } 4338 4339 private void setText(CharSequence text, BufferType type, 4340 boolean notifyBefore, int oldlen) { 4341 if (text == null) { 4342 text = ""; 4343 } 4344 4345 // If suggestions are not enabled, remove the suggestion spans from the text 4346 if (!isSuggestionsEnabled()) { 4347 text = removeSuggestionSpans(text); 4348 } 4349 4350 if (!mUserSetTextScaleX) mTextPaint.setTextScaleX(1.0f); 4351 4352 if (text instanceof Spanned && 4353 ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) { 4354 if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) { 4355 setHorizontalFadingEdgeEnabled(true); 4356 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 4357 } else { 4358 setHorizontalFadingEdgeEnabled(false); 4359 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 4360 } 4361 setEllipsize(TextUtils.TruncateAt.MARQUEE); 4362 } 4363 4364 int n = mFilters.length; 4365 for (int i = 0; i < n; i++) { 4366 CharSequence out = mFilters[i].filter(text, 0, text.length(), EMPTY_SPANNED, 0, 0); 4367 if (out != null) { 4368 text = out; 4369 } 4370 } 4371 4372 if (notifyBefore) { 4373 if (mText != null) { 4374 oldlen = mText.length(); 4375 sendBeforeTextChanged(mText, 0, oldlen, text.length()); 4376 } else { 4377 sendBeforeTextChanged("", 0, 0, text.length()); 4378 } 4379 } 4380 4381 boolean needEditableForNotification = false; 4382 4383 if (mListeners != null && mListeners.size() != 0) { 4384 needEditableForNotification = true; 4385 } 4386 4387 if (type == BufferType.EDITABLE || getKeyListener() != null || 4388 needEditableForNotification) { 4389 createEditorIfNeeded(); 4390 mEditor.forgetUndoRedo(); 4391 Editable t = mEditableFactory.newEditable(text); 4392 text = t; 4393 setFilters(t, mFilters); 4394 InputMethodManager imm = InputMethodManager.peekInstance(); 4395 if (imm != null) imm.restartInput(this); 4396 } else if (type == BufferType.SPANNABLE || mMovement != null) { 4397 text = mSpannableFactory.newSpannable(text); 4398 } else if (!(text instanceof CharWrapper)) { 4399 text = TextUtils.stringOrSpannedString(text); 4400 } 4401 4402 if (mAutoLinkMask != 0) { 4403 Spannable s2; 4404 4405 if (type == BufferType.EDITABLE || text instanceof Spannable) { 4406 s2 = (Spannable) text; 4407 } else { 4408 s2 = mSpannableFactory.newSpannable(text); 4409 } 4410 4411 if (Linkify.addLinks(s2, mAutoLinkMask)) { 4412 text = s2; 4413 type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE; 4414 4415 /* 4416 * We must go ahead and set the text before changing the 4417 * movement method, because setMovementMethod() may call 4418 * setText() again to try to upgrade the buffer type. 4419 */ 4420 mText = text; 4421 4422 // Do not change the movement method for text that support text selection as it 4423 // would prevent an arbitrary cursor displacement. 4424 if (mLinksClickable && !textCanBeSelected()) { 4425 setMovementMethod(LinkMovementMethod.getInstance()); 4426 } 4427 } 4428 } 4429 4430 mBufferType = type; 4431 mText = text; 4432 4433 if (mTransformation == null) { 4434 mTransformed = text; 4435 } else { 4436 mTransformed = mTransformation.getTransformation(text, this); 4437 } 4438 4439 final int textLength = text.length(); 4440 4441 if (text instanceof Spannable && !mAllowTransformationLengthChange) { 4442 Spannable sp = (Spannable) text; 4443 4444 // Remove any ChangeWatchers that might have come from other TextViews. 4445 final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class); 4446 final int count = watchers.length; 4447 for (int i = 0; i < count; i++) { 4448 sp.removeSpan(watchers[i]); 4449 } 4450 4451 if (mChangeWatcher == null) mChangeWatcher = new ChangeWatcher(); 4452 4453 sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE | 4454 (CHANGE_WATCHER_PRIORITY << Spanned.SPAN_PRIORITY_SHIFT)); 4455 4456 if (mEditor != null) mEditor.addSpanWatchers(sp); 4457 4458 if (mTransformation != null) { 4459 sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 4460 } 4461 4462 if (mMovement != null) { 4463 mMovement.initialize(this, (Spannable) text); 4464 4465 /* 4466 * Initializing the movement method will have set the 4467 * selection, so reset mSelectionMoved to keep that from 4468 * interfering with the normal on-focus selection-setting. 4469 */ 4470 if (mEditor != null) mEditor.mSelectionMoved = false; 4471 } 4472 } 4473 4474 if (mLayout != null) { 4475 checkForRelayout(); 4476 } 4477 4478 sendOnTextChanged(text, 0, oldlen, textLength); 4479 onTextChanged(text, 0, oldlen, textLength); 4480 4481 notifyViewAccessibilityStateChangedIfNeeded(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT); 4482 4483 if (needEditableForNotification) { 4484 sendAfterTextChanged((Editable) text); 4485 } 4486 4487 // SelectionModifierCursorController depends on textCanBeSelected, which depends on text 4488 if (mEditor != null) mEditor.prepareCursorControllers(); 4489 } 4490 4491 /** 4492 * Sets the TextView to display the specified slice of the specified 4493 * char array. You must promise that you will not change the contents 4494 * of the array except for right before another call to setText(), 4495 * since the TextView has no way to know that the text 4496 * has changed and that it needs to invalidate and re-layout. 4497 */ 4498 public final void setText(char[] text, int start, int len) { 4499 int oldlen = 0; 4500 4501 if (start < 0 || len < 0 || start + len > text.length) { 4502 throw new IndexOutOfBoundsException(start + ", " + len); 4503 } 4504 4505 /* 4506 * We must do the before-notification here ourselves because if 4507 * the old text is a CharWrapper we destroy it before calling 4508 * into the normal path. 4509 */ 4510 if (mText != null) { 4511 oldlen = mText.length(); 4512 sendBeforeTextChanged(mText, 0, oldlen, len); 4513 } else { 4514 sendBeforeTextChanged("", 0, 0, len); 4515 } 4516 4517 if (mCharWrapper == null) { 4518 mCharWrapper = new CharWrapper(text, start, len); 4519 } else { 4520 mCharWrapper.set(text, start, len); 4521 } 4522 4523 setText(mCharWrapper, mBufferType, false, oldlen); 4524 } 4525 4526 /** 4527 * Like {@link #setText(CharSequence, android.widget.TextView.BufferType)}, 4528 * except that the cursor position (if any) is retained in the new text. 4529 * 4530 * @see #setText(CharSequence, android.widget.TextView.BufferType) 4531 */ 4532 public final void setTextKeepState(CharSequence text, BufferType type) { 4533 int start = getSelectionStart(); 4534 int end = getSelectionEnd(); 4535 int len = text.length(); 4536 4537 setText(text, type); 4538 4539 if (start >= 0 || end >= 0) { 4540 if (mText instanceof Spannable) { 4541 Selection.setSelection((Spannable) mText, 4542 Math.max(0, Math.min(start, len)), 4543 Math.max(0, Math.min(end, len))); 4544 } 4545 } 4546 } 4547 4548 @android.view.RemotableViewMethod 4549 public final void setText(@StringRes int resid) { 4550 setText(getContext().getResources().getText(resid)); 4551 } 4552 4553 public final void setText(@StringRes int resid, BufferType type) { 4554 setText(getContext().getResources().getText(resid), type); 4555 } 4556 4557 /** 4558 * Sets the text to be displayed when the text of the TextView is empty. 4559 * Null means to use the normal empty text. The hint does not currently 4560 * participate in determining the size of the view. 4561 * 4562 * @attr ref android.R.styleable#TextView_hint 4563 */ 4564 @android.view.RemotableViewMethod 4565 public final void setHint(CharSequence hint) { 4566 mHint = TextUtils.stringOrSpannedString(hint); 4567 4568 if (mLayout != null) { 4569 checkForRelayout(); 4570 } 4571 4572 if (mText.length() == 0) { 4573 invalidate(); 4574 } 4575 4576 // Invalidate display list if hint is currently used 4577 if (mEditor != null && mText.length() == 0 && mHint != null) { 4578 mEditor.invalidateTextDisplayList(); 4579 } 4580 } 4581 4582 /** 4583 * Sets the text to be displayed when the text of the TextView is empty, 4584 * from a resource. 4585 * 4586 * @attr ref android.R.styleable#TextView_hint 4587 */ 4588 @android.view.RemotableViewMethod 4589 public final void setHint(@StringRes int resid) { 4590 setHint(getContext().getResources().getText(resid)); 4591 } 4592 4593 /** 4594 * Returns the hint that is displayed when the text of the TextView 4595 * is empty. 4596 * 4597 * @attr ref android.R.styleable#TextView_hint 4598 */ 4599 @ViewDebug.CapturedViewProperty 4600 public CharSequence getHint() { 4601 return mHint; 4602 } 4603 4604 boolean isSingleLine() { 4605 return mSingleLine; 4606 } 4607 4608 private static boolean isMultilineInputType(int type) { 4609 return (type & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) == 4610 (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 4611 } 4612 4613 /** 4614 * Removes the suggestion spans. 4615 */ 4616 CharSequence removeSuggestionSpans(CharSequence text) { 4617 if (text instanceof Spanned) { 4618 Spannable spannable; 4619 if (text instanceof Spannable) { 4620 spannable = (Spannable) text; 4621 } else { 4622 spannable = new SpannableString(text); 4623 text = spannable; 4624 } 4625 4626 SuggestionSpan[] spans = spannable.getSpans(0, text.length(), SuggestionSpan.class); 4627 for (int i = 0; i < spans.length; i++) { 4628 spannable.removeSpan(spans[i]); 4629 } 4630 } 4631 return text; 4632 } 4633 4634 /** 4635 * Set the type of the content with a constant as defined for {@link EditorInfo#inputType}. This 4636 * will take care of changing the key listener, by calling {@link #setKeyListener(KeyListener)}, 4637 * to match the given content type. If the given content type is {@link EditorInfo#TYPE_NULL} 4638 * then a soft keyboard will not be displayed for this text view. 4639 * 4640 * Note that the maximum number of displayed lines (see {@link #setMaxLines(int)}) will be 4641 * modified if you change the {@link EditorInfo#TYPE_TEXT_FLAG_MULTI_LINE} flag of the input 4642 * type. 4643 * 4644 * @see #getInputType() 4645 * @see #setRawInputType(int) 4646 * @see android.text.InputType 4647 * @attr ref android.R.styleable#TextView_inputType 4648 */ 4649 public void setInputType(int type) { 4650 final boolean wasPassword = isPasswordInputType(getInputType()); 4651 final boolean wasVisiblePassword = isVisiblePasswordInputType(getInputType()); 4652 setInputType(type, false); 4653 final boolean isPassword = isPasswordInputType(type); 4654 final boolean isVisiblePassword = isVisiblePasswordInputType(type); 4655 boolean forceUpdate = false; 4656 if (isPassword) { 4657 setTransformationMethod(PasswordTransformationMethod.getInstance()); 4658 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 4659 } else if (isVisiblePassword) { 4660 if (mTransformation == PasswordTransformationMethod.getInstance()) { 4661 forceUpdate = true; 4662 } 4663 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 4664 } else if (wasPassword || wasVisiblePassword) { 4665 // not in password mode, clean up typeface and transformation 4666 setTypefaceFromAttrs(null /* fontFamily */, -1, -1); 4667 if (mTransformation == PasswordTransformationMethod.getInstance()) { 4668 forceUpdate = true; 4669 } 4670 } 4671 4672 boolean singleLine = !isMultilineInputType(type); 4673 4674 // We need to update the single line mode if it has changed or we 4675 // were previously in password mode. 4676 if (mSingleLine != singleLine || forceUpdate) { 4677 // Change single line mode, but only change the transformation if 4678 // we are not in password mode. 4679 applySingleLine(singleLine, !isPassword, true); 4680 } 4681 4682 if (!isSuggestionsEnabled()) { 4683 mText = removeSuggestionSpans(mText); 4684 } 4685 4686 InputMethodManager imm = InputMethodManager.peekInstance(); 4687 if (imm != null) imm.restartInput(this); 4688 } 4689 4690 /** 4691 * It would be better to rely on the input type for everything. A password inputType should have 4692 * a password transformation. We should hence use isPasswordInputType instead of this method. 4693 * 4694 * We should: 4695 * - Call setInputType in setKeyListener instead of changing the input type directly (which 4696 * would install the correct transformation). 4697 * - Refuse the installation of a non-password transformation in setTransformation if the input 4698 * type is password. 4699 * 4700 * However, this is like this for legacy reasons and we cannot break existing apps. This method 4701 * is useful since it matches what the user can see (obfuscated text or not). 4702 * 4703 * @return true if the current transformation method is of the password type. 4704 */ 4705 boolean hasPasswordTransformationMethod() { 4706 return mTransformation instanceof PasswordTransformationMethod; 4707 } 4708 4709 private static boolean isPasswordInputType(int inputType) { 4710 final int variation = 4711 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4712 return variation 4713 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD) 4714 || variation 4715 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD) 4716 || variation 4717 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 4718 } 4719 4720 private static boolean isVisiblePasswordInputType(int inputType) { 4721 final int variation = 4722 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4723 return variation 4724 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 4725 } 4726 4727 /** 4728 * Directly change the content type integer of the text view, without 4729 * modifying any other state. 4730 * @see #setInputType(int) 4731 * @see android.text.InputType 4732 * @attr ref android.R.styleable#TextView_inputType 4733 */ 4734 public void setRawInputType(int type) { 4735 if (type == InputType.TYPE_NULL && mEditor == null) return; //TYPE_NULL is the default value 4736 createEditorIfNeeded(); 4737 mEditor.mInputType = type; 4738 } 4739 4740 private void setInputType(int type, boolean direct) { 4741 final int cls = type & EditorInfo.TYPE_MASK_CLASS; 4742 KeyListener input; 4743 if (cls == EditorInfo.TYPE_CLASS_TEXT) { 4744 boolean autotext = (type & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) != 0; 4745 TextKeyListener.Capitalize cap; 4746 if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS) != 0) { 4747 cap = TextKeyListener.Capitalize.CHARACTERS; 4748 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS) != 0) { 4749 cap = TextKeyListener.Capitalize.WORDS; 4750 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES) != 0) { 4751 cap = TextKeyListener.Capitalize.SENTENCES; 4752 } else { 4753 cap = TextKeyListener.Capitalize.NONE; 4754 } 4755 input = TextKeyListener.getInstance(autotext, cap); 4756 } else if (cls == EditorInfo.TYPE_CLASS_NUMBER) { 4757 input = DigitsKeyListener.getInstance( 4758 (type & EditorInfo.TYPE_NUMBER_FLAG_SIGNED) != 0, 4759 (type & EditorInfo.TYPE_NUMBER_FLAG_DECIMAL) != 0); 4760 } else if (cls == EditorInfo.TYPE_CLASS_DATETIME) { 4761 switch (type & EditorInfo.TYPE_MASK_VARIATION) { 4762 case EditorInfo.TYPE_DATETIME_VARIATION_DATE: 4763 input = DateKeyListener.getInstance(); 4764 break; 4765 case EditorInfo.TYPE_DATETIME_VARIATION_TIME: 4766 input = TimeKeyListener.getInstance(); 4767 break; 4768 default: 4769 input = DateTimeKeyListener.getInstance(); 4770 break; 4771 } 4772 } else if (cls == EditorInfo.TYPE_CLASS_PHONE) { 4773 input = DialerKeyListener.getInstance(); 4774 } else { 4775 input = TextKeyListener.getInstance(); 4776 } 4777 setRawInputType(type); 4778 if (direct) { 4779 createEditorIfNeeded(); 4780 mEditor.mKeyListener = input; 4781 } else { 4782 setKeyListenerOnly(input); 4783 } 4784 } 4785 4786 /** 4787 * Get the type of the editable content. 4788 * 4789 * @see #setInputType(int) 4790 * @see android.text.InputType 4791 */ 4792 public int getInputType() { 4793 return mEditor == null ? EditorInfo.TYPE_NULL : mEditor.mInputType; 4794 } 4795 4796 /** 4797 * Change the editor type integer associated with the text view, which 4798 * will be reported to an IME with {@link EditorInfo#imeOptions} when it 4799 * has focus. 4800 * @see #getImeOptions 4801 * @see android.view.inputmethod.EditorInfo 4802 * @attr ref android.R.styleable#TextView_imeOptions 4803 */ 4804 public void setImeOptions(int imeOptions) { 4805 createEditorIfNeeded(); 4806 mEditor.createInputContentTypeIfNeeded(); 4807 mEditor.mInputContentType.imeOptions = imeOptions; 4808 } 4809 4810 /** 4811 * Get the type of the IME editor. 4812 * 4813 * @see #setImeOptions(int) 4814 * @see android.view.inputmethod.EditorInfo 4815 */ 4816 public int getImeOptions() { 4817 return mEditor != null && mEditor.mInputContentType != null 4818 ? mEditor.mInputContentType.imeOptions : EditorInfo.IME_NULL; 4819 } 4820 4821 /** 4822 * Change the custom IME action associated with the text view, which 4823 * will be reported to an IME with {@link EditorInfo#actionLabel} 4824 * and {@link EditorInfo#actionId} when it has focus. 4825 * @see #getImeActionLabel 4826 * @see #getImeActionId 4827 * @see android.view.inputmethod.EditorInfo 4828 * @attr ref android.R.styleable#TextView_imeActionLabel 4829 * @attr ref android.R.styleable#TextView_imeActionId 4830 */ 4831 public void setImeActionLabel(CharSequence label, int actionId) { 4832 createEditorIfNeeded(); 4833 mEditor.createInputContentTypeIfNeeded(); 4834 mEditor.mInputContentType.imeActionLabel = label; 4835 mEditor.mInputContentType.imeActionId = actionId; 4836 } 4837 4838 /** 4839 * Get the IME action label previous set with {@link #setImeActionLabel}. 4840 * 4841 * @see #setImeActionLabel 4842 * @see android.view.inputmethod.EditorInfo 4843 */ 4844 public CharSequence getImeActionLabel() { 4845 return mEditor != null && mEditor.mInputContentType != null 4846 ? mEditor.mInputContentType.imeActionLabel : null; 4847 } 4848 4849 /** 4850 * Get the IME action ID previous set with {@link #setImeActionLabel}. 4851 * 4852 * @see #setImeActionLabel 4853 * @see android.view.inputmethod.EditorInfo 4854 */ 4855 public int getImeActionId() { 4856 return mEditor != null && mEditor.mInputContentType != null 4857 ? mEditor.mInputContentType.imeActionId : 0; 4858 } 4859 4860 /** 4861 * Set a special listener to be called when an action is performed 4862 * on the text view. This will be called when the enter key is pressed, 4863 * or when an action supplied to the IME is selected by the user. Setting 4864 * this means that the normal hard key event will not insert a newline 4865 * into the text view, even if it is multi-line; holding down the ALT 4866 * modifier will, however, allow the user to insert a newline character. 4867 */ 4868 public void setOnEditorActionListener(OnEditorActionListener l) { 4869 createEditorIfNeeded(); 4870 mEditor.createInputContentTypeIfNeeded(); 4871 mEditor.mInputContentType.onEditorActionListener = l; 4872 } 4873 4874 /** 4875 * Called when an attached input method calls 4876 * {@link InputConnection#performEditorAction(int) 4877 * InputConnection.performEditorAction()} 4878 * for this text view. The default implementation will call your action 4879 * listener supplied to {@link #setOnEditorActionListener}, or perform 4880 * a standard operation for {@link EditorInfo#IME_ACTION_NEXT 4881 * EditorInfo.IME_ACTION_NEXT}, {@link EditorInfo#IME_ACTION_PREVIOUS 4882 * EditorInfo.IME_ACTION_PREVIOUS}, or {@link EditorInfo#IME_ACTION_DONE 4883 * EditorInfo.IME_ACTION_DONE}. 4884 * 4885 * <p>For backwards compatibility, if no IME options have been set and the 4886 * text view would not normally advance focus on enter, then 4887 * the NEXT and DONE actions received here will be turned into an enter 4888 * key down/up pair to go through the normal key handling. 4889 * 4890 * @param actionCode The code of the action being performed. 4891 * 4892 * @see #setOnEditorActionListener 4893 */ 4894 public void onEditorAction(int actionCode) { 4895 final Editor.InputContentType ict = mEditor == null ? null : mEditor.mInputContentType; 4896 if (ict != null) { 4897 if (ict.onEditorActionListener != null) { 4898 if (ict.onEditorActionListener.onEditorAction(this, 4899 actionCode, null)) { 4900 return; 4901 } 4902 } 4903 4904 // This is the handling for some default action. 4905 // Note that for backwards compatibility we don't do this 4906 // default handling if explicit ime options have not been given, 4907 // instead turning this into the normal enter key codes that an 4908 // app may be expecting. 4909 if (actionCode == EditorInfo.IME_ACTION_NEXT) { 4910 View v = focusSearch(FOCUS_FORWARD); 4911 if (v != null) { 4912 if (!v.requestFocus(FOCUS_FORWARD)) { 4913 throw new IllegalStateException("focus search returned a view " + 4914 "that wasn't able to take focus!"); 4915 } 4916 } 4917 return; 4918 4919 } else if (actionCode == EditorInfo.IME_ACTION_PREVIOUS) { 4920 View v = focusSearch(FOCUS_BACKWARD); 4921 if (v != null) { 4922 if (!v.requestFocus(FOCUS_BACKWARD)) { 4923 throw new IllegalStateException("focus search returned a view " + 4924 "that wasn't able to take focus!"); 4925 } 4926 } 4927 return; 4928 4929 } else if (actionCode == EditorInfo.IME_ACTION_DONE) { 4930 InputMethodManager imm = InputMethodManager.peekInstance(); 4931 if (imm != null && imm.isActive(this)) { 4932 imm.hideSoftInputFromWindow(getWindowToken(), 0); 4933 } 4934 return; 4935 } 4936 } 4937 4938 ViewRootImpl viewRootImpl = getViewRootImpl(); 4939 if (viewRootImpl != null) { 4940 long eventTime = SystemClock.uptimeMillis(); 4941 viewRootImpl.dispatchKeyFromIme( 4942 new KeyEvent(eventTime, eventTime, 4943 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER, 0, 0, 4944 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4945 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4946 | KeyEvent.FLAG_EDITOR_ACTION)); 4947 viewRootImpl.dispatchKeyFromIme( 4948 new KeyEvent(SystemClock.uptimeMillis(), eventTime, 4949 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER, 0, 0, 4950 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4951 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4952 | KeyEvent.FLAG_EDITOR_ACTION)); 4953 } 4954 } 4955 4956 /** 4957 * Set the private content type of the text, which is the 4958 * {@link EditorInfo#privateImeOptions EditorInfo.privateImeOptions} 4959 * field that will be filled in when creating an input connection. 4960 * 4961 * @see #getPrivateImeOptions() 4962 * @see EditorInfo#privateImeOptions 4963 * @attr ref android.R.styleable#TextView_privateImeOptions 4964 */ 4965 public void setPrivateImeOptions(String type) { 4966 createEditorIfNeeded(); 4967 mEditor.createInputContentTypeIfNeeded(); 4968 mEditor.mInputContentType.privateImeOptions = type; 4969 } 4970 4971 /** 4972 * Get the private type of the content. 4973 * 4974 * @see #setPrivateImeOptions(String) 4975 * @see EditorInfo#privateImeOptions 4976 */ 4977 public String getPrivateImeOptions() { 4978 return mEditor != null && mEditor.mInputContentType != null 4979 ? mEditor.mInputContentType.privateImeOptions : null; 4980 } 4981 4982 /** 4983 * Set the extra input data of the text, which is the 4984 * {@link EditorInfo#extras TextBoxAttribute.extras} 4985 * Bundle that will be filled in when creating an input connection. The 4986 * given integer is the resource ID of an XML resource holding an 4987 * {@link android.R.styleable#InputExtras <input-extras>} XML tree. 4988 * 4989 * @see #getInputExtras(boolean) 4990 * @see EditorInfo#extras 4991 * @attr ref android.R.styleable#TextView_editorExtras 4992 */ 4993 public void setInputExtras(@XmlRes int xmlResId) throws XmlPullParserException, IOException { 4994 createEditorIfNeeded(); 4995 XmlResourceParser parser = getResources().getXml(xmlResId); 4996 mEditor.createInputContentTypeIfNeeded(); 4997 mEditor.mInputContentType.extras = new Bundle(); 4998 getResources().parseBundleExtras(parser, mEditor.mInputContentType.extras); 4999 } 5000 5001 /** 5002 * Retrieve the input extras currently associated with the text view, which 5003 * can be viewed as well as modified. 5004 * 5005 * @param create If true, the extras will be created if they don't already 5006 * exist. Otherwise, null will be returned if none have been created. 5007 * @see #setInputExtras(int) 5008 * @see EditorInfo#extras 5009 * @attr ref android.R.styleable#TextView_editorExtras 5010 */ 5011 public Bundle getInputExtras(boolean create) { 5012 if (mEditor == null && !create) return null; 5013 createEditorIfNeeded(); 5014 if (mEditor.mInputContentType == null) { 5015 if (!create) return null; 5016 mEditor.createInputContentTypeIfNeeded(); 5017 } 5018 if (mEditor.mInputContentType.extras == null) { 5019 if (!create) return null; 5020 mEditor.mInputContentType.extras = new Bundle(); 5021 } 5022 return mEditor.mInputContentType.extras; 5023 } 5024 5025 /** 5026 * Change "hint" locales associated with the text view, which will be reported to an IME with 5027 * {@link EditorInfo#hintLocales} when it has focus. 5028 * 5029 * <p><strong>Note:</strong> If you want new "hint" to take effect immediately you need to 5030 * call {@link InputMethodManager#restartInput(View)}.</p> 5031 * @param hintLocales List of the languages that the user is supposed to switch to no matter 5032 * what input method subtype is currently used. Set {@code null} to clear the current "hint". 5033 * @see #getImeHIntLocales() 5034 * @see android.view.inputmethod.EditorInfo#hintLocales 5035 */ 5036 public void setImeHintLocales(@Nullable LocaleList hintLocales) { 5037 createEditorIfNeeded(); 5038 mEditor.createInputContentTypeIfNeeded(); 5039 mEditor.mInputContentType.imeHintLocales = hintLocales; 5040 } 5041 5042 /** 5043 * @return The current languages list "hint". {@code null} when no "hint" is available. 5044 * @see #setImeHintLocales(LocaleList) 5045 * @see android.view.inputmethod.EditorInfo#hintLocales 5046 */ 5047 @Nullable 5048 public LocaleList getImeHintLocales() { 5049 if (mEditor == null) { return null; } 5050 if (mEditor.mInputContentType == null) { return null; } 5051 return mEditor.mInputContentType.imeHintLocales; 5052 } 5053 5054 /** 5055 * Returns the error message that was set to be displayed with 5056 * {@link #setError}, or <code>null</code> if no error was set 5057 * or if it the error was cleared by the widget after user input. 5058 */ 5059 public CharSequence getError() { 5060 return mEditor == null ? null : mEditor.mError; 5061 } 5062 5063 /** 5064 * Sets the right-hand compound drawable of the TextView to the "error" 5065 * icon and sets an error message that will be displayed in a popup when 5066 * the TextView has focus. The icon and error message will be reset to 5067 * null when any key events cause changes to the TextView's text. If the 5068 * <code>error</code> is <code>null</code>, the error message and icon 5069 * will be cleared. 5070 */ 5071 @android.view.RemotableViewMethod 5072 public void setError(CharSequence error) { 5073 if (error == null) { 5074 setError(null, null); 5075 } else { 5076 Drawable dr = getContext().getDrawable( 5077 com.android.internal.R.drawable.indicator_input_error); 5078 5079 dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight()); 5080 setError(error, dr); 5081 } 5082 } 5083 5084 /** 5085 * Sets the right-hand compound drawable of the TextView to the specified 5086 * icon and sets an error message that will be displayed in a popup when 5087 * the TextView has focus. The icon and error message will be reset to 5088 * null when any key events cause changes to the TextView's text. The 5089 * drawable must already have had {@link Drawable#setBounds} set on it. 5090 * If the <code>error</code> is <code>null</code>, the error message will 5091 * be cleared (and you should provide a <code>null</code> icon as well). 5092 */ 5093 public void setError(CharSequence error, Drawable icon) { 5094 createEditorIfNeeded(); 5095 mEditor.setError(error, icon); 5096 notifyViewAccessibilityStateChangedIfNeeded( 5097 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 5098 } 5099 5100 @Override 5101 protected boolean setFrame(int l, int t, int r, int b) { 5102 boolean result = super.setFrame(l, t, r, b); 5103 5104 if (mEditor != null) mEditor.setFrame(); 5105 5106 restartMarqueeIfNeeded(); 5107 5108 return result; 5109 } 5110 5111 private void restartMarqueeIfNeeded() { 5112 if (mRestartMarquee && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 5113 mRestartMarquee = false; 5114 startMarquee(); 5115 } 5116 } 5117 5118 /** 5119 * Sets the list of input filters that will be used if the buffer is 5120 * Editable. Has no effect otherwise. 5121 * 5122 * @attr ref android.R.styleable#TextView_maxLength 5123 */ 5124 public void setFilters(InputFilter[] filters) { 5125 if (filters == null) { 5126 throw new IllegalArgumentException(); 5127 } 5128 5129 mFilters = filters; 5130 5131 if (mText instanceof Editable) { 5132 setFilters((Editable) mText, filters); 5133 } 5134 } 5135 5136 /** 5137 * Sets the list of input filters on the specified Editable, 5138 * and includes mInput in the list if it is an InputFilter. 5139 */ 5140 private void setFilters(Editable e, InputFilter[] filters) { 5141 if (mEditor != null) { 5142 final boolean undoFilter = mEditor.mUndoInputFilter != null; 5143 final boolean keyFilter = mEditor.mKeyListener instanceof InputFilter; 5144 int num = 0; 5145 if (undoFilter) num++; 5146 if (keyFilter) num++; 5147 if (num > 0) { 5148 InputFilter[] nf = new InputFilter[filters.length + num]; 5149 5150 System.arraycopy(filters, 0, nf, 0, filters.length); 5151 num = 0; 5152 if (undoFilter) { 5153 nf[filters.length] = mEditor.mUndoInputFilter; 5154 num++; 5155 } 5156 if (keyFilter) { 5157 nf[filters.length + num] = (InputFilter) mEditor.mKeyListener; 5158 } 5159 5160 e.setFilters(nf); 5161 return; 5162 } 5163 } 5164 e.setFilters(filters); 5165 } 5166 5167 /** 5168 * Returns the current list of input filters. 5169 * 5170 * @attr ref android.R.styleable#TextView_maxLength 5171 */ 5172 public InputFilter[] getFilters() { 5173 return mFilters; 5174 } 5175 5176 ///////////////////////////////////////////////////////////////////////// 5177 5178 private int getBoxHeight(Layout l) { 5179 Insets opticalInsets = isLayoutModeOptical(mParent) ? getOpticalInsets() : Insets.NONE; 5180 int padding = (l == mHintLayout) ? 5181 getCompoundPaddingTop() + getCompoundPaddingBottom() : 5182 getExtendedPaddingTop() + getExtendedPaddingBottom(); 5183 return getMeasuredHeight() - padding + opticalInsets.top + opticalInsets.bottom; 5184 } 5185 5186 int getVerticalOffset(boolean forceNormal) { 5187 int voffset = 0; 5188 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 5189 5190 Layout l = mLayout; 5191 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 5192 l = mHintLayout; 5193 } 5194 5195 if (gravity != Gravity.TOP) { 5196 int boxht = getBoxHeight(l); 5197 int textht = l.getHeight(); 5198 5199 if (textht < boxht) { 5200 if (gravity == Gravity.BOTTOM) 5201 voffset = boxht - textht; 5202 else // (gravity == Gravity.CENTER_VERTICAL) 5203 voffset = (boxht - textht) >> 1; 5204 } 5205 } 5206 return voffset; 5207 } 5208 5209 private int getBottomVerticalOffset(boolean forceNormal) { 5210 int voffset = 0; 5211 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 5212 5213 Layout l = mLayout; 5214 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 5215 l = mHintLayout; 5216 } 5217 5218 if (gravity != Gravity.BOTTOM) { 5219 int boxht = getBoxHeight(l); 5220 int textht = l.getHeight(); 5221 5222 if (textht < boxht) { 5223 if (gravity == Gravity.TOP) 5224 voffset = boxht - textht; 5225 else // (gravity == Gravity.CENTER_VERTICAL) 5226 voffset = (boxht - textht) >> 1; 5227 } 5228 } 5229 return voffset; 5230 } 5231 5232 void invalidateCursorPath() { 5233 if (mHighlightPathBogus) { 5234 invalidateCursor(); 5235 } else { 5236 final int horizontalPadding = getCompoundPaddingLeft(); 5237 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 5238 5239 if (mEditor.mCursorCount == 0) { 5240 synchronized (TEMP_RECTF) { 5241 /* 5242 * The reason for this concern about the thickness of the 5243 * cursor and doing the floor/ceil on the coordinates is that 5244 * some EditTexts (notably textfields in the Browser) have 5245 * anti-aliased text where not all the characters are 5246 * necessarily at integer-multiple locations. This should 5247 * make sure the entire cursor gets invalidated instead of 5248 * sometimes missing half a pixel. 5249 */ 5250 float thick = (float) Math.ceil(mTextPaint.getStrokeWidth()); 5251 if (thick < 1.0f) { 5252 thick = 1.0f; 5253 } 5254 5255 thick /= 2.0f; 5256 5257 // mHighlightPath is guaranteed to be non null at that point. 5258 mHighlightPath.computeBounds(TEMP_RECTF, false); 5259 5260 invalidate((int) Math.floor(horizontalPadding + TEMP_RECTF.left - thick), 5261 (int) Math.floor(verticalPadding + TEMP_RECTF.top - thick), 5262 (int) Math.ceil(horizontalPadding + TEMP_RECTF.right + thick), 5263 (int) Math.ceil(verticalPadding + TEMP_RECTF.bottom + thick)); 5264 } 5265 } else { 5266 for (int i = 0; i < mEditor.mCursorCount; i++) { 5267 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 5268 invalidate(bounds.left + horizontalPadding, bounds.top + verticalPadding, 5269 bounds.right + horizontalPadding, bounds.bottom + verticalPadding); 5270 } 5271 } 5272 } 5273 } 5274 5275 void invalidateCursor() { 5276 int where = getSelectionEnd(); 5277 5278 invalidateCursor(where, where, where); 5279 } 5280 5281 private void invalidateCursor(int a, int b, int c) { 5282 if (a >= 0 || b >= 0 || c >= 0) { 5283 int start = Math.min(Math.min(a, b), c); 5284 int end = Math.max(Math.max(a, b), c); 5285 invalidateRegion(start, end, true /* Also invalidates blinking cursor */); 5286 } 5287 } 5288 5289 /** 5290 * Invalidates the region of text enclosed between the start and end text offsets. 5291 */ 5292 void invalidateRegion(int start, int end, boolean invalidateCursor) { 5293 if (mLayout == null) { 5294 invalidate(); 5295 } else { 5296 int lineStart = mLayout.getLineForOffset(start); 5297 int top = mLayout.getLineTop(lineStart); 5298 5299 // This is ridiculous, but the descent from the line above 5300 // can hang down into the line we really want to redraw, 5301 // so we have to invalidate part of the line above to make 5302 // sure everything that needs to be redrawn really is. 5303 // (But not the whole line above, because that would cause 5304 // the same problem with the descenders on the line above it!) 5305 if (lineStart > 0) { 5306 top -= mLayout.getLineDescent(lineStart - 1); 5307 } 5308 5309 int lineEnd; 5310 5311 if (start == end) 5312 lineEnd = lineStart; 5313 else 5314 lineEnd = mLayout.getLineForOffset(end); 5315 5316 int bottom = mLayout.getLineBottom(lineEnd); 5317 5318 // mEditor can be null in case selection is set programmatically. 5319 if (invalidateCursor && mEditor != null) { 5320 for (int i = 0; i < mEditor.mCursorCount; i++) { 5321 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 5322 top = Math.min(top, bounds.top); 5323 bottom = Math.max(bottom, bounds.bottom); 5324 } 5325 } 5326 5327 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5328 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 5329 5330 int left, right; 5331 if (lineStart == lineEnd && !invalidateCursor) { 5332 left = (int) mLayout.getPrimaryHorizontal(start); 5333 right = (int) (mLayout.getPrimaryHorizontal(end) + 1.0); 5334 left += compoundPaddingLeft; 5335 right += compoundPaddingLeft; 5336 } else { 5337 // Rectangle bounding box when the region spans several lines 5338 left = compoundPaddingLeft; 5339 right = getWidth() - getCompoundPaddingRight(); 5340 } 5341 5342 invalidate(mScrollX + left, verticalPadding + top, 5343 mScrollX + right, verticalPadding + bottom); 5344 } 5345 } 5346 5347 private void registerForPreDraw() { 5348 if (!mPreDrawRegistered) { 5349 getViewTreeObserver().addOnPreDrawListener(this); 5350 mPreDrawRegistered = true; 5351 } 5352 } 5353 5354 private void unregisterForPreDraw() { 5355 getViewTreeObserver().removeOnPreDrawListener(this); 5356 mPreDrawRegistered = false; 5357 mPreDrawListenerDetached = false; 5358 } 5359 5360 /** 5361 * {@inheritDoc} 5362 */ 5363 public boolean onPreDraw() { 5364 if (mLayout == null) { 5365 assumeLayout(); 5366 } 5367 5368 if (mMovement != null) { 5369 /* This code also provides auto-scrolling when a cursor is moved using a 5370 * CursorController (insertion point or selection limits). 5371 * For selection, ensure start or end is visible depending on controller's state. 5372 */ 5373 int curs = getSelectionEnd(); 5374 // Do not create the controller if it is not already created. 5375 if (mEditor != null && mEditor.mSelectionModifierCursorController != null && 5376 mEditor.mSelectionModifierCursorController.isSelectionStartDragged()) { 5377 curs = getSelectionStart(); 5378 } 5379 5380 /* 5381 * TODO: This should really only keep the end in view if 5382 * it already was before the text changed. I'm not sure 5383 * of a good way to tell from here if it was. 5384 */ 5385 if (curs < 0 && (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 5386 curs = mText.length(); 5387 } 5388 5389 if (curs >= 0) { 5390 bringPointIntoView(curs); 5391 } 5392 } else { 5393 bringTextIntoView(); 5394 } 5395 5396 // This has to be checked here since: 5397 // - onFocusChanged cannot start it when focus is given to a view with selected text (after 5398 // a screen rotation) since layout is not yet initialized at that point. 5399 if (mEditor != null && mEditor.mCreatedWithASelection) { 5400 mEditor.refreshTextActionMode(); 5401 mEditor.mCreatedWithASelection = false; 5402 } 5403 5404 unregisterForPreDraw(); 5405 5406 return true; 5407 } 5408 5409 @Override 5410 protected void onAttachedToWindow() { 5411 super.onAttachedToWindow(); 5412 5413 if (mEditor != null) mEditor.onAttachedToWindow(); 5414 5415 if (mPreDrawListenerDetached) { 5416 getViewTreeObserver().addOnPreDrawListener(this); 5417 mPreDrawListenerDetached = false; 5418 } 5419 } 5420 5421 /** @hide */ 5422 @Override 5423 protected void onDetachedFromWindowInternal() { 5424 if (mPreDrawRegistered) { 5425 getViewTreeObserver().removeOnPreDrawListener(this); 5426 mPreDrawListenerDetached = true; 5427 } 5428 5429 resetResolvedDrawables(); 5430 5431 if (mEditor != null) mEditor.onDetachedFromWindow(); 5432 5433 super.onDetachedFromWindowInternal(); 5434 } 5435 5436 @Override 5437 public void onScreenStateChanged(int screenState) { 5438 super.onScreenStateChanged(screenState); 5439 if (mEditor != null) mEditor.onScreenStateChanged(screenState); 5440 } 5441 5442 @Override 5443 protected boolean isPaddingOffsetRequired() { 5444 return mShadowRadius != 0 || mDrawables != null; 5445 } 5446 5447 @Override 5448 protected int getLeftPaddingOffset() { 5449 return getCompoundPaddingLeft() - mPaddingLeft + 5450 (int) Math.min(0, mShadowDx - mShadowRadius); 5451 } 5452 5453 @Override 5454 protected int getTopPaddingOffset() { 5455 return (int) Math.min(0, mShadowDy - mShadowRadius); 5456 } 5457 5458 @Override 5459 protected int getBottomPaddingOffset() { 5460 return (int) Math.max(0, mShadowDy + mShadowRadius); 5461 } 5462 5463 @Override 5464 protected int getRightPaddingOffset() { 5465 return -(getCompoundPaddingRight() - mPaddingRight) + 5466 (int) Math.max(0, mShadowDx + mShadowRadius); 5467 } 5468 5469 @Override 5470 protected boolean verifyDrawable(@NonNull Drawable who) { 5471 final boolean verified = super.verifyDrawable(who); 5472 if (!verified && mDrawables != null) { 5473 for (Drawable dr : mDrawables.mShowing) { 5474 if (who == dr) { 5475 return true; 5476 } 5477 } 5478 } 5479 return verified; 5480 } 5481 5482 @Override 5483 public void jumpDrawablesToCurrentState() { 5484 super.jumpDrawablesToCurrentState(); 5485 if (mDrawables != null) { 5486 for (Drawable dr : mDrawables.mShowing) { 5487 if (dr != null) { 5488 dr.jumpToCurrentState(); 5489 } 5490 } 5491 } 5492 } 5493 5494 @Override 5495 public void invalidateDrawable(@NonNull Drawable drawable) { 5496 boolean handled = false; 5497 5498 if (verifyDrawable(drawable)) { 5499 final Rect dirty = drawable.getBounds(); 5500 int scrollX = mScrollX; 5501 int scrollY = mScrollY; 5502 5503 // IMPORTANT: The coordinates below are based on the coordinates computed 5504 // for each compound drawable in onDraw(). Make sure to update each section 5505 // accordingly. 5506 final TextView.Drawables drawables = mDrawables; 5507 if (drawables != null) { 5508 if (drawable == drawables.mShowing[Drawables.LEFT]) { 5509 final int compoundPaddingTop = getCompoundPaddingTop(); 5510 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5511 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5512 5513 scrollX += mPaddingLeft; 5514 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightLeft) / 2; 5515 handled = true; 5516 } else if (drawable == drawables.mShowing[Drawables.RIGHT]) { 5517 final int compoundPaddingTop = getCompoundPaddingTop(); 5518 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5519 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5520 5521 scrollX += (mRight - mLeft - mPaddingRight - drawables.mDrawableSizeRight); 5522 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightRight) / 2; 5523 handled = true; 5524 } else if (drawable == drawables.mShowing[Drawables.TOP]) { 5525 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5526 final int compoundPaddingRight = getCompoundPaddingRight(); 5527 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 5528 5529 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthTop) / 2; 5530 scrollY += mPaddingTop; 5531 handled = true; 5532 } else if (drawable == drawables.mShowing[Drawables.BOTTOM]) { 5533 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5534 final int compoundPaddingRight = getCompoundPaddingRight(); 5535 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 5536 5537 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthBottom) / 2; 5538 scrollY += (mBottom - mTop - mPaddingBottom - drawables.mDrawableSizeBottom); 5539 handled = true; 5540 } 5541 } 5542 5543 if (handled) { 5544 invalidate(dirty.left + scrollX, dirty.top + scrollY, 5545 dirty.right + scrollX, dirty.bottom + scrollY); 5546 } 5547 } 5548 5549 if (!handled) { 5550 super.invalidateDrawable(drawable); 5551 } 5552 } 5553 5554 @Override 5555 public boolean hasOverlappingRendering() { 5556 // horizontal fading edge causes SaveLayerAlpha, which doesn't support alpha modulation 5557 return ((getBackground() != null && getBackground().getCurrent() != null) 5558 || mText instanceof Spannable || hasSelection() 5559 || isHorizontalFadingEdgeEnabled()); 5560 } 5561 5562 /** 5563 * 5564 * Returns the state of the {@code textIsSelectable} flag (See 5565 * {@link #setTextIsSelectable setTextIsSelectable()}). Although you have to set this flag 5566 * to allow users to select and copy text in a non-editable TextView, the content of an 5567 * {@link EditText} can always be selected, independently of the value of this flag. 5568 * <p> 5569 * 5570 * @return True if the text displayed in this TextView can be selected by the user. 5571 * 5572 * @attr ref android.R.styleable#TextView_textIsSelectable 5573 */ 5574 public boolean isTextSelectable() { 5575 return mEditor == null ? false : mEditor.mTextIsSelectable; 5576 } 5577 5578 /** 5579 * Sets whether the content of this view is selectable by the user. The default is 5580 * {@code false}, meaning that the content is not selectable. 5581 * <p> 5582 * When you use a TextView to display a useful piece of information to the user (such as a 5583 * contact's address), make it selectable, so that the user can select and copy its 5584 * content. You can also use set the XML attribute 5585 * {@link android.R.styleable#TextView_textIsSelectable} to "true". 5586 * <p> 5587 * When you call this method to set the value of {@code textIsSelectable}, it sets 5588 * the flags {@code focusable}, {@code focusableInTouchMode}, {@code clickable}, 5589 * and {@code longClickable} to the same value. These flags correspond to the attributes 5590 * {@link android.R.styleable#View_focusable android:focusable}, 5591 * {@link android.R.styleable#View_focusableInTouchMode android:focusableInTouchMode}, 5592 * {@link android.R.styleable#View_clickable android:clickable}, and 5593 * {@link android.R.styleable#View_longClickable android:longClickable}. To restore any of these 5594 * flags to a state you had set previously, call one or more of the following methods: 5595 * {@link #setFocusable(boolean) setFocusable()}, 5596 * {@link #setFocusableInTouchMode(boolean) setFocusableInTouchMode()}, 5597 * {@link #setClickable(boolean) setClickable()} or 5598 * {@link #setLongClickable(boolean) setLongClickable()}. 5599 * 5600 * @param selectable Whether the content of this TextView should be selectable. 5601 */ 5602 public void setTextIsSelectable(boolean selectable) { 5603 if (!selectable && mEditor == null) return; // false is default value with no edit data 5604 5605 createEditorIfNeeded(); 5606 if (mEditor.mTextIsSelectable == selectable) return; 5607 5608 mEditor.mTextIsSelectable = selectable; 5609 setFocusableInTouchMode(selectable); 5610 setFocusable(selectable); 5611 setClickable(selectable); 5612 setLongClickable(selectable); 5613 5614 // mInputType should already be EditorInfo.TYPE_NULL and mInput should be null 5615 5616 setMovementMethod(selectable ? ArrowKeyMovementMethod.getInstance() : null); 5617 setText(mText, selectable ? BufferType.SPANNABLE : BufferType.NORMAL); 5618 5619 // Called by setText above, but safer in case of future code changes 5620 mEditor.prepareCursorControllers(); 5621 } 5622 5623 @Override 5624 protected int[] onCreateDrawableState(int extraSpace) { 5625 final int[] drawableState; 5626 5627 if (mSingleLine) { 5628 drawableState = super.onCreateDrawableState(extraSpace); 5629 } else { 5630 drawableState = super.onCreateDrawableState(extraSpace + 1); 5631 mergeDrawableStates(drawableState, MULTILINE_STATE_SET); 5632 } 5633 5634 if (isTextSelectable()) { 5635 // Disable pressed state, which was introduced when TextView was made clickable. 5636 // Prevents text color change. 5637 // setClickable(false) would have a similar effect, but it also disables focus changes 5638 // and long press actions, which are both needed by text selection. 5639 final int length = drawableState.length; 5640 for (int i = 0; i < length; i++) { 5641 if (drawableState[i] == R.attr.state_pressed) { 5642 final int[] nonPressedState = new int[length - 1]; 5643 System.arraycopy(drawableState, 0, nonPressedState, 0, i); 5644 System.arraycopy(drawableState, i + 1, nonPressedState, i, length - i - 1); 5645 return nonPressedState; 5646 } 5647 } 5648 } 5649 5650 return drawableState; 5651 } 5652 5653 private Path getUpdatedHighlightPath() { 5654 Path highlight = null; 5655 Paint highlightPaint = mHighlightPaint; 5656 5657 final int selStart = getSelectionStart(); 5658 final int selEnd = getSelectionEnd(); 5659 if (mMovement != null && (isFocused() || isPressed()) && selStart >= 0) { 5660 if (selStart == selEnd) { 5661 if (mEditor != null && mEditor.isCursorVisible() && 5662 (SystemClock.uptimeMillis() - mEditor.mShowCursor) % 5663 (2 * Editor.BLINK) < Editor.BLINK) { 5664 if (mHighlightPathBogus) { 5665 if (mHighlightPath == null) mHighlightPath = new Path(); 5666 mHighlightPath.reset(); 5667 mLayout.getCursorPath(selStart, mHighlightPath, mText); 5668 mEditor.updateCursorsPositions(); 5669 mHighlightPathBogus = false; 5670 } 5671 5672 // XXX should pass to skin instead of drawing directly 5673 highlightPaint.setColor(mCurTextColor); 5674 highlightPaint.setStyle(Paint.Style.STROKE); 5675 highlight = mHighlightPath; 5676 } 5677 } else { 5678 if (mHighlightPathBogus) { 5679 if (mHighlightPath == null) mHighlightPath = new Path(); 5680 mHighlightPath.reset(); 5681 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 5682 mHighlightPathBogus = false; 5683 } 5684 5685 // XXX should pass to skin instead of drawing directly 5686 highlightPaint.setColor(mHighlightColor); 5687 highlightPaint.setStyle(Paint.Style.FILL); 5688 5689 highlight = mHighlightPath; 5690 } 5691 } 5692 return highlight; 5693 } 5694 5695 /** 5696 * @hide 5697 */ 5698 public int getHorizontalOffsetForDrawables() { 5699 return 0; 5700 } 5701 5702 @Override 5703 protected void onDraw(Canvas canvas) { 5704 restartMarqueeIfNeeded(); 5705 5706 // Draw the background for this view 5707 super.onDraw(canvas); 5708 5709 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5710 final int compoundPaddingTop = getCompoundPaddingTop(); 5711 final int compoundPaddingRight = getCompoundPaddingRight(); 5712 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5713 final int scrollX = mScrollX; 5714 final int scrollY = mScrollY; 5715 final int right = mRight; 5716 final int left = mLeft; 5717 final int bottom = mBottom; 5718 final int top = mTop; 5719 final boolean isLayoutRtl = isLayoutRtl(); 5720 final int offset = getHorizontalOffsetForDrawables(); 5721 final int leftOffset = isLayoutRtl ? 0 : offset; 5722 final int rightOffset = isLayoutRtl ? offset : 0 ; 5723 5724 final Drawables dr = mDrawables; 5725 if (dr != null) { 5726 /* 5727 * Compound, not extended, because the icon is not clipped 5728 * if the text height is smaller. 5729 */ 5730 5731 int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop; 5732 int hspace = right - left - compoundPaddingRight - compoundPaddingLeft; 5733 5734 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5735 // Make sure to update invalidateDrawable() when changing this code. 5736 if (dr.mShowing[Drawables.LEFT] != null) { 5737 canvas.save(); 5738 canvas.translate(scrollX + mPaddingLeft + leftOffset, 5739 scrollY + compoundPaddingTop + 5740 (vspace - dr.mDrawableHeightLeft) / 2); 5741 dr.mShowing[Drawables.LEFT].draw(canvas); 5742 canvas.restore(); 5743 } 5744 5745 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5746 // Make sure to update invalidateDrawable() when changing this code. 5747 if (dr.mShowing[Drawables.RIGHT] != null) { 5748 canvas.save(); 5749 canvas.translate(scrollX + right - left - mPaddingRight 5750 - dr.mDrawableSizeRight - rightOffset, 5751 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightRight) / 2); 5752 dr.mShowing[Drawables.RIGHT].draw(canvas); 5753 canvas.restore(); 5754 } 5755 5756 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5757 // Make sure to update invalidateDrawable() when changing this code. 5758 if (dr.mShowing[Drawables.TOP] != null) { 5759 canvas.save(); 5760 canvas.translate(scrollX + compoundPaddingLeft + 5761 (hspace - dr.mDrawableWidthTop) / 2, scrollY + mPaddingTop); 5762 dr.mShowing[Drawables.TOP].draw(canvas); 5763 canvas.restore(); 5764 } 5765 5766 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5767 // Make sure to update invalidateDrawable() when changing this code. 5768 if (dr.mShowing[Drawables.BOTTOM] != null) { 5769 canvas.save(); 5770 canvas.translate(scrollX + compoundPaddingLeft + 5771 (hspace - dr.mDrawableWidthBottom) / 2, 5772 scrollY + bottom - top - mPaddingBottom - dr.mDrawableSizeBottom); 5773 dr.mShowing[Drawables.BOTTOM].draw(canvas); 5774 canvas.restore(); 5775 } 5776 } 5777 5778 int color = mCurTextColor; 5779 5780 if (mLayout == null) { 5781 assumeLayout(); 5782 } 5783 5784 Layout layout = mLayout; 5785 5786 if (mHint != null && mText.length() == 0) { 5787 if (mHintTextColor != null) { 5788 color = mCurHintTextColor; 5789 } 5790 5791 layout = mHintLayout; 5792 } 5793 5794 mTextPaint.setColor(color); 5795 mTextPaint.drawableState = getDrawableState(); 5796 5797 canvas.save(); 5798 /* Would be faster if we didn't have to do this. Can we chop the 5799 (displayable) text so that we don't need to do this ever? 5800 */ 5801 5802 int extendedPaddingTop = getExtendedPaddingTop(); 5803 int extendedPaddingBottom = getExtendedPaddingBottom(); 5804 5805 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5806 final int maxScrollY = mLayout.getHeight() - vspace; 5807 5808 float clipLeft = compoundPaddingLeft + scrollX; 5809 float clipTop = (scrollY == 0) ? 0 : extendedPaddingTop + scrollY; 5810 float clipRight = right - left - getCompoundPaddingRight() + scrollX; 5811 float clipBottom = bottom - top + scrollY - 5812 ((scrollY == maxScrollY) ? 0 : extendedPaddingBottom); 5813 5814 if (mShadowRadius != 0) { 5815 clipLeft += Math.min(0, mShadowDx - mShadowRadius); 5816 clipRight += Math.max(0, mShadowDx + mShadowRadius); 5817 5818 clipTop += Math.min(0, mShadowDy - mShadowRadius); 5819 clipBottom += Math.max(0, mShadowDy + mShadowRadius); 5820 } 5821 5822 canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom); 5823 5824 int voffsetText = 0; 5825 int voffsetCursor = 0; 5826 5827 // translate in by our padding 5828 /* shortcircuit calling getVerticaOffset() */ 5829 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5830 voffsetText = getVerticalOffset(false); 5831 voffsetCursor = getVerticalOffset(true); 5832 } 5833 canvas.translate(compoundPaddingLeft, extendedPaddingTop + voffsetText); 5834 5835 final int layoutDirection = getLayoutDirection(); 5836 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 5837 if (isMarqueeFadeEnabled()) { 5838 if (!mSingleLine && getLineCount() == 1 && canMarquee() && 5839 (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) { 5840 final int width = mRight - mLeft; 5841 final int padding = getCompoundPaddingLeft() + getCompoundPaddingRight(); 5842 final float dx = mLayout.getLineRight(0) - (width - padding); 5843 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5844 } 5845 5846 if (mMarquee != null && mMarquee.isRunning()) { 5847 final float dx = -mMarquee.getScroll(); 5848 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5849 } 5850 } 5851 5852 final int cursorOffsetVertical = voffsetCursor - voffsetText; 5853 5854 Path highlight = getUpdatedHighlightPath(); 5855 if (mEditor != null) { 5856 mEditor.onDraw(canvas, layout, highlight, mHighlightPaint, cursorOffsetVertical); 5857 } else { 5858 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5859 } 5860 5861 if (mMarquee != null && mMarquee.shouldDrawGhost()) { 5862 final float dx = mMarquee.getGhostOffset(); 5863 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5864 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5865 } 5866 5867 canvas.restore(); 5868 } 5869 5870 @Override 5871 public void getFocusedRect(Rect r) { 5872 if (mLayout == null) { 5873 super.getFocusedRect(r); 5874 return; 5875 } 5876 5877 int selEnd = getSelectionEnd(); 5878 if (selEnd < 0) { 5879 super.getFocusedRect(r); 5880 return; 5881 } 5882 5883 int selStart = getSelectionStart(); 5884 if (selStart < 0 || selStart >= selEnd) { 5885 int line = mLayout.getLineForOffset(selEnd); 5886 r.top = mLayout.getLineTop(line); 5887 r.bottom = mLayout.getLineBottom(line); 5888 r.left = (int) mLayout.getPrimaryHorizontal(selEnd) - 2; 5889 r.right = r.left + 4; 5890 } else { 5891 int lineStart = mLayout.getLineForOffset(selStart); 5892 int lineEnd = mLayout.getLineForOffset(selEnd); 5893 r.top = mLayout.getLineTop(lineStart); 5894 r.bottom = mLayout.getLineBottom(lineEnd); 5895 if (lineStart == lineEnd) { 5896 r.left = (int) mLayout.getPrimaryHorizontal(selStart); 5897 r.right = (int) mLayout.getPrimaryHorizontal(selEnd); 5898 } else { 5899 // Selection extends across multiple lines -- make the focused 5900 // rect cover the entire width. 5901 if (mHighlightPathBogus) { 5902 if (mHighlightPath == null) mHighlightPath = new Path(); 5903 mHighlightPath.reset(); 5904 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 5905 mHighlightPathBogus = false; 5906 } 5907 synchronized (TEMP_RECTF) { 5908 mHighlightPath.computeBounds(TEMP_RECTF, true); 5909 r.left = (int)TEMP_RECTF.left-1; 5910 r.right = (int)TEMP_RECTF.right+1; 5911 } 5912 } 5913 } 5914 5915 // Adjust for padding and gravity. 5916 int paddingLeft = getCompoundPaddingLeft(); 5917 int paddingTop = getExtendedPaddingTop(); 5918 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5919 paddingTop += getVerticalOffset(false); 5920 } 5921 r.offset(paddingLeft, paddingTop); 5922 int paddingBottom = getExtendedPaddingBottom(); 5923 r.bottom += paddingBottom; 5924 } 5925 5926 /** 5927 * Return the number of lines of text, or 0 if the internal Layout has not 5928 * been built. 5929 */ 5930 public int getLineCount() { 5931 return mLayout != null ? mLayout.getLineCount() : 0; 5932 } 5933 5934 /** 5935 * Return the baseline for the specified line (0...getLineCount() - 1) 5936 * If bounds is not null, return the top, left, right, bottom extents 5937 * of the specified line in it. If the internal Layout has not been built, 5938 * return 0 and set bounds to (0, 0, 0, 0) 5939 * @param line which line to examine (0..getLineCount() - 1) 5940 * @param bounds Optional. If not null, it returns the extent of the line 5941 * @return the Y-coordinate of the baseline 5942 */ 5943 public int getLineBounds(int line, Rect bounds) { 5944 if (mLayout == null) { 5945 if (bounds != null) { 5946 bounds.set(0, 0, 0, 0); 5947 } 5948 return 0; 5949 } 5950 else { 5951 int baseline = mLayout.getLineBounds(line, bounds); 5952 5953 int voffset = getExtendedPaddingTop(); 5954 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5955 voffset += getVerticalOffset(true); 5956 } 5957 if (bounds != null) { 5958 bounds.offset(getCompoundPaddingLeft(), voffset); 5959 } 5960 return baseline + voffset; 5961 } 5962 } 5963 5964 @Override 5965 public int getBaseline() { 5966 if (mLayout == null) { 5967 return super.getBaseline(); 5968 } 5969 5970 return getBaselineOffset() + mLayout.getLineBaseline(0); 5971 } 5972 5973 int getBaselineOffset() { 5974 int voffset = 0; 5975 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5976 voffset = getVerticalOffset(true); 5977 } 5978 5979 if (isLayoutModeOptical(mParent)) { 5980 voffset -= getOpticalInsets().top; 5981 } 5982 5983 return getExtendedPaddingTop() + voffset; 5984 } 5985 5986 /** 5987 * @hide 5988 */ 5989 @Override 5990 protected int getFadeTop(boolean offsetRequired) { 5991 if (mLayout == null) return 0; 5992 5993 int voffset = 0; 5994 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5995 voffset = getVerticalOffset(true); 5996 } 5997 5998 if (offsetRequired) voffset += getTopPaddingOffset(); 5999 6000 return getExtendedPaddingTop() + voffset; 6001 } 6002 6003 /** 6004 * @hide 6005 */ 6006 @Override 6007 protected int getFadeHeight(boolean offsetRequired) { 6008 return mLayout != null ? mLayout.getHeight() : 0; 6009 } 6010 6011 @Override 6012 public PointerIcon getPointerIcon(MotionEvent event, float x, float y) { 6013 if (mText instanceof Spannable && mLinksClickable) { 6014 final int offset = getOffsetForPosition(x, y); 6015 final ClickableSpan[] clickables = ((Spannable) mText).getSpans(offset, offset, 6016 ClickableSpan.class); 6017 if (clickables.length > 0) { 6018 return PointerIcon.getSystemIcon(mContext, PointerIcon.STYLE_HAND); 6019 } 6020 } 6021 if (isTextSelectable() || isTextEditable()) { 6022 return PointerIcon.getSystemIcon(mContext, PointerIcon.STYLE_TEXT); 6023 } 6024 return super.getPointerIcon(event, x, y); 6025 } 6026 6027 @Override 6028 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 6029 // Note: If the IME is in fullscreen mode and IMS#mExtractEditText is in text action mode, 6030 // InputMethodService#onKeyDown and InputMethodService#onKeyUp are responsible to call 6031 // InputMethodService#mExtractEditText.maybeHandleBackInTextActionMode(event). 6032 if (keyCode == KeyEvent.KEYCODE_BACK && handleBackInTextActionModeIfNeeded(event)) { 6033 return true; 6034 } 6035 return super.onKeyPreIme(keyCode, event); 6036 } 6037 6038 /** 6039 * @hide 6040 */ 6041 public boolean handleBackInTextActionModeIfNeeded(KeyEvent event) { 6042 // Do nothing unless mEditor is in text action mode. 6043 if (mEditor == null || mEditor.mTextActionMode == null) { 6044 return false; 6045 } 6046 6047 if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) { 6048 KeyEvent.DispatcherState state = getKeyDispatcherState(); 6049 if (state != null) { 6050 state.startTracking(event, this); 6051 } 6052 return true; 6053 } else if (event.getAction() == KeyEvent.ACTION_UP) { 6054 KeyEvent.DispatcherState state = getKeyDispatcherState(); 6055 if (state != null) { 6056 state.handleUpEvent(event); 6057 } 6058 if (event.isTracking() && !event.isCanceled()) { 6059 stopTextActionMode(); 6060 return true; 6061 } 6062 } 6063 return false; 6064 } 6065 6066 @Override 6067 public boolean onKeyDown(int keyCode, KeyEvent event) { 6068 final int which = doKeyDown(keyCode, event, null); 6069 if (which == KEY_EVENT_NOT_HANDLED) { 6070 return super.onKeyDown(keyCode, event); 6071 } 6072 6073 return true; 6074 } 6075 6076 @Override 6077 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 6078 KeyEvent down = KeyEvent.changeAction(event, KeyEvent.ACTION_DOWN); 6079 final int which = doKeyDown(keyCode, down, event); 6080 if (which == KEY_EVENT_NOT_HANDLED) { 6081 // Go through default dispatching. 6082 return super.onKeyMultiple(keyCode, repeatCount, event); 6083 } 6084 if (which == KEY_EVENT_HANDLED) { 6085 // Consumed the whole thing. 6086 return true; 6087 } 6088 6089 repeatCount--; 6090 6091 // We are going to dispatch the remaining events to either the input 6092 // or movement method. To do this, we will just send a repeated stream 6093 // of down and up events until we have done the complete repeatCount. 6094 // It would be nice if those interfaces had an onKeyMultiple() method, 6095 // but adding that is a more complicated change. 6096 KeyEvent up = KeyEvent.changeAction(event, KeyEvent.ACTION_UP); 6097 if (which == KEY_DOWN_HANDLED_BY_KEY_LISTENER) { 6098 // mEditor and mEditor.mInput are not null from doKeyDown 6099 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 6100 while (--repeatCount > 0) { 6101 mEditor.mKeyListener.onKeyDown(this, (Editable)mText, keyCode, down); 6102 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 6103 } 6104 hideErrorIfUnchanged(); 6105 6106 } else if (which == KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD) { 6107 // mMovement is not null from doKeyDown 6108 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 6109 while (--repeatCount > 0) { 6110 mMovement.onKeyDown(this, (Spannable)mText, keyCode, down); 6111 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 6112 } 6113 } 6114 6115 return true; 6116 } 6117 6118 /** 6119 * Returns true if pressing ENTER in this field advances focus instead 6120 * of inserting the character. This is true mostly in single-line fields, 6121 * but also in mail addresses and subjects which will display on multiple 6122 * lines but where it doesn't make sense to insert newlines. 6123 */ 6124 private boolean shouldAdvanceFocusOnEnter() { 6125 if (getKeyListener() == null) { 6126 return false; 6127 } 6128 6129 if (mSingleLine) { 6130 return true; 6131 } 6132 6133 if (mEditor != null && 6134 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 6135 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 6136 if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS 6137 || variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT) { 6138 return true; 6139 } 6140 } 6141 6142 return false; 6143 } 6144 6145 /** 6146 * Returns true if pressing TAB in this field advances focus instead 6147 * of inserting the character. Insert tabs only in multi-line editors. 6148 */ 6149 private boolean shouldAdvanceFocusOnTab() { 6150 if (getKeyListener() != null && !mSingleLine && mEditor != null && 6151 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 6152 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 6153 if (variation == EditorInfo.TYPE_TEXT_FLAG_IME_MULTI_LINE 6154 || variation == EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE) { 6155 return false; 6156 } 6157 } 6158 return true; 6159 } 6160 6161 private int doKeyDown(int keyCode, KeyEvent event, KeyEvent otherEvent) { 6162 if (!isEnabled()) { 6163 return KEY_EVENT_NOT_HANDLED; 6164 } 6165 6166 // If this is the initial keydown, we don't want to prevent a movement away from this view. 6167 // While this shouldn't be necessary because any time we're preventing default movement we 6168 // should be restricting the focus to remain within this view, thus we'll also receive 6169 // the key up event, occasionally key up events will get dropped and we don't want to 6170 // prevent the user from traversing out of this on the next key down. 6171 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 6172 mPreventDefaultMovement = false; 6173 } 6174 6175 switch (keyCode) { 6176 case KeyEvent.KEYCODE_ENTER: 6177 if (event.hasNoModifiers()) { 6178 // When mInputContentType is set, we know that we are 6179 // running in a "modern" cupcake environment, so don't need 6180 // to worry about the application trying to capture 6181 // enter key events. 6182 if (mEditor != null && mEditor.mInputContentType != null) { 6183 // If there is an action listener, given them a 6184 // chance to consume the event. 6185 if (mEditor.mInputContentType.onEditorActionListener != null && 6186 mEditor.mInputContentType.onEditorActionListener.onEditorAction( 6187 this, EditorInfo.IME_NULL, event)) { 6188 mEditor.mInputContentType.enterDown = true; 6189 // We are consuming the enter key for them. 6190 return KEY_EVENT_HANDLED; 6191 } 6192 } 6193 6194 // If our editor should move focus when enter is pressed, or 6195 // this is a generated event from an IME action button, then 6196 // don't let it be inserted into the text. 6197 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 6198 || shouldAdvanceFocusOnEnter()) { 6199 if (hasOnClickListeners()) { 6200 return KEY_EVENT_NOT_HANDLED; 6201 } 6202 return KEY_EVENT_HANDLED; 6203 } 6204 } 6205 break; 6206 6207 case KeyEvent.KEYCODE_DPAD_CENTER: 6208 if (event.hasNoModifiers()) { 6209 if (shouldAdvanceFocusOnEnter()) { 6210 return KEY_EVENT_NOT_HANDLED; 6211 } 6212 } 6213 break; 6214 6215 case KeyEvent.KEYCODE_TAB: 6216 if (event.hasNoModifiers() || event.hasModifiers(KeyEvent.META_SHIFT_ON)) { 6217 if (shouldAdvanceFocusOnTab()) { 6218 return KEY_EVENT_NOT_HANDLED; 6219 } 6220 } 6221 break; 6222 6223 // Has to be done on key down (and not on key up) to correctly be intercepted. 6224 case KeyEvent.KEYCODE_BACK: 6225 if (mEditor != null && mEditor.mTextActionMode != null) { 6226 stopTextActionMode(); 6227 return KEY_EVENT_HANDLED; 6228 } 6229 break; 6230 6231 case KeyEvent.KEYCODE_CUT: 6232 if (event.hasNoModifiers() && canCut()) { 6233 if (onTextContextMenuItem(ID_CUT)) { 6234 return KEY_EVENT_HANDLED; 6235 } 6236 } 6237 break; 6238 6239 case KeyEvent.KEYCODE_COPY: 6240 if (event.hasNoModifiers() && canCopy()) { 6241 if (onTextContextMenuItem(ID_COPY)) { 6242 return KEY_EVENT_HANDLED; 6243 } 6244 } 6245 break; 6246 6247 case KeyEvent.KEYCODE_PASTE: 6248 if (event.hasNoModifiers() && canPaste()) { 6249 if (onTextContextMenuItem(ID_PASTE)) { 6250 return KEY_EVENT_HANDLED; 6251 } 6252 } 6253 break; 6254 } 6255 6256 if (mEditor != null && mEditor.mKeyListener != null) { 6257 boolean doDown = true; 6258 if (otherEvent != null) { 6259 try { 6260 beginBatchEdit(); 6261 final boolean handled = mEditor.mKeyListener.onKeyOther(this, (Editable) mText, 6262 otherEvent); 6263 hideErrorIfUnchanged(); 6264 doDown = false; 6265 if (handled) { 6266 return KEY_EVENT_HANDLED; 6267 } 6268 } catch (AbstractMethodError e) { 6269 // onKeyOther was added after 1.0, so if it isn't 6270 // implemented we need to try to dispatch as a regular down. 6271 } finally { 6272 endBatchEdit(); 6273 } 6274 } 6275 6276 if (doDown) { 6277 beginBatchEdit(); 6278 final boolean handled = mEditor.mKeyListener.onKeyDown(this, (Editable) mText, 6279 keyCode, event); 6280 endBatchEdit(); 6281 hideErrorIfUnchanged(); 6282 if (handled) return KEY_DOWN_HANDLED_BY_KEY_LISTENER; 6283 } 6284 } 6285 6286 // bug 650865: sometimes we get a key event before a layout. 6287 // don't try to move around if we don't know the layout. 6288 6289 if (mMovement != null && mLayout != null) { 6290 boolean doDown = true; 6291 if (otherEvent != null) { 6292 try { 6293 boolean handled = mMovement.onKeyOther(this, (Spannable) mText, 6294 otherEvent); 6295 doDown = false; 6296 if (handled) { 6297 return KEY_EVENT_HANDLED; 6298 } 6299 } catch (AbstractMethodError e) { 6300 // onKeyOther was added after 1.0, so if it isn't 6301 // implemented we need to try to dispatch as a regular down. 6302 } 6303 } 6304 if (doDown) { 6305 if (mMovement.onKeyDown(this, (Spannable)mText, keyCode, event)) { 6306 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 6307 mPreventDefaultMovement = true; 6308 } 6309 return KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD; 6310 } 6311 } 6312 } 6313 6314 return mPreventDefaultMovement && !KeyEvent.isModifierKey(keyCode) ? 6315 KEY_EVENT_HANDLED : KEY_EVENT_NOT_HANDLED; 6316 } 6317 6318 /** 6319 * Resets the mErrorWasChanged flag, so that future calls to {@link #setError(CharSequence)} 6320 * can be recorded. 6321 * @hide 6322 */ 6323 public void resetErrorChangedFlag() { 6324 /* 6325 * Keep track of what the error was before doing the input 6326 * so that if an input filter changed the error, we leave 6327 * that error showing. Otherwise, we take down whatever 6328 * error was showing when the user types something. 6329 */ 6330 if (mEditor != null) mEditor.mErrorWasChanged = false; 6331 } 6332 6333 /** 6334 * @hide 6335 */ 6336 public void hideErrorIfUnchanged() { 6337 if (mEditor != null && mEditor.mError != null && !mEditor.mErrorWasChanged) { 6338 setError(null, null); 6339 } 6340 } 6341 6342 @Override 6343 public boolean onKeyUp(int keyCode, KeyEvent event) { 6344 if (!isEnabled()) { 6345 return super.onKeyUp(keyCode, event); 6346 } 6347 6348 if (!KeyEvent.isModifierKey(keyCode)) { 6349 mPreventDefaultMovement = false; 6350 } 6351 6352 switch (keyCode) { 6353 case KeyEvent.KEYCODE_DPAD_CENTER: 6354 if (event.hasNoModifiers()) { 6355 /* 6356 * If there is a click listener, just call through to 6357 * super, which will invoke it. 6358 * 6359 * If there isn't a click listener, try to show the soft 6360 * input method. (It will also 6361 * call performClick(), but that won't do anything in 6362 * this case.) 6363 */ 6364 if (!hasOnClickListeners()) { 6365 if (mMovement != null && mText instanceof Editable 6366 && mLayout != null && onCheckIsTextEditor()) { 6367 InputMethodManager imm = InputMethodManager.peekInstance(); 6368 viewClicked(imm); 6369 if (imm != null && getShowSoftInputOnFocus()) { 6370 imm.showSoftInput(this, 0); 6371 } 6372 } 6373 } 6374 } 6375 return super.onKeyUp(keyCode, event); 6376 6377 case KeyEvent.KEYCODE_ENTER: 6378 if (event.hasNoModifiers()) { 6379 if (mEditor != null && mEditor.mInputContentType != null 6380 && mEditor.mInputContentType.onEditorActionListener != null 6381 && mEditor.mInputContentType.enterDown) { 6382 mEditor.mInputContentType.enterDown = false; 6383 if (mEditor.mInputContentType.onEditorActionListener.onEditorAction( 6384 this, EditorInfo.IME_NULL, event)) { 6385 return true; 6386 } 6387 } 6388 6389 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 6390 || shouldAdvanceFocusOnEnter()) { 6391 /* 6392 * If there is a click listener, just call through to 6393 * super, which will invoke it. 6394 * 6395 * If there isn't a click listener, try to advance focus, 6396 * but still call through to super, which will reset the 6397 * pressed state and longpress state. (It will also 6398 * call performClick(), but that won't do anything in 6399 * this case.) 6400 */ 6401 if (!hasOnClickListeners()) { 6402 View v = focusSearch(FOCUS_DOWN); 6403 6404 if (v != null) { 6405 if (!v.requestFocus(FOCUS_DOWN)) { 6406 throw new IllegalStateException( 6407 "focus search returned a view " + 6408 "that wasn't able to take focus!"); 6409 } 6410 6411 /* 6412 * Return true because we handled the key; super 6413 * will return false because there was no click 6414 * listener. 6415 */ 6416 super.onKeyUp(keyCode, event); 6417 return true; 6418 } else if ((event.getFlags() 6419 & KeyEvent.FLAG_EDITOR_ACTION) != 0) { 6420 // No target for next focus, but make sure the IME 6421 // if this came from it. 6422 InputMethodManager imm = InputMethodManager.peekInstance(); 6423 if (imm != null && imm.isActive(this)) { 6424 imm.hideSoftInputFromWindow(getWindowToken(), 0); 6425 } 6426 } 6427 } 6428 } 6429 return super.onKeyUp(keyCode, event); 6430 } 6431 break; 6432 } 6433 6434 if (mEditor != null && mEditor.mKeyListener != null) 6435 if (mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, event)) 6436 return true; 6437 6438 if (mMovement != null && mLayout != null) 6439 if (mMovement.onKeyUp(this, (Spannable) mText, keyCode, event)) 6440 return true; 6441 6442 return super.onKeyUp(keyCode, event); 6443 } 6444 6445 @Override 6446 public boolean onCheckIsTextEditor() { 6447 return mEditor != null && mEditor.mInputType != EditorInfo.TYPE_NULL; 6448 } 6449 6450 @Override 6451 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 6452 if (onCheckIsTextEditor() && isEnabled()) { 6453 mEditor.createInputMethodStateIfNeeded(); 6454 outAttrs.inputType = getInputType(); 6455 if (mEditor.mInputContentType != null) { 6456 outAttrs.imeOptions = mEditor.mInputContentType.imeOptions; 6457 outAttrs.privateImeOptions = mEditor.mInputContentType.privateImeOptions; 6458 outAttrs.actionLabel = mEditor.mInputContentType.imeActionLabel; 6459 outAttrs.actionId = mEditor.mInputContentType.imeActionId; 6460 outAttrs.extras = mEditor.mInputContentType.extras; 6461 outAttrs.hintLocales = mEditor.mInputContentType.imeHintLocales; 6462 } else { 6463 outAttrs.imeOptions = EditorInfo.IME_NULL; 6464 outAttrs.hintLocales = null; 6465 } 6466 if (focusSearch(FOCUS_DOWN) != null) { 6467 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_NEXT; 6468 } 6469 if (focusSearch(FOCUS_UP) != null) { 6470 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS; 6471 } 6472 if ((outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION) 6473 == EditorInfo.IME_ACTION_UNSPECIFIED) { 6474 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) { 6475 // An action has not been set, but the enter key will move to 6476 // the next focus, so set the action to that. 6477 outAttrs.imeOptions |= EditorInfo.IME_ACTION_NEXT; 6478 } else { 6479 // An action has not been set, and there is no focus to move 6480 // to, so let's just supply a "done" action. 6481 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 6482 } 6483 if (!shouldAdvanceFocusOnEnter()) { 6484 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 6485 } 6486 } 6487 if (isMultilineInputType(outAttrs.inputType)) { 6488 // Multi-line text editors should always show an enter key. 6489 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 6490 } 6491 outAttrs.hintText = mHint; 6492 if (mText instanceof Editable) { 6493 InputConnection ic = new EditableInputConnection(this); 6494 outAttrs.initialSelStart = getSelectionStart(); 6495 outAttrs.initialSelEnd = getSelectionEnd(); 6496 outAttrs.initialCapsMode = ic.getCursorCapsMode(getInputType()); 6497 return ic; 6498 } 6499 } 6500 return null; 6501 } 6502 6503 /** 6504 * If this TextView contains editable content, extract a portion of it 6505 * based on the information in <var>request</var> in to <var>outText</var>. 6506 * @return Returns true if the text was successfully extracted, else false. 6507 */ 6508 public boolean extractText(ExtractedTextRequest request, ExtractedText outText) { 6509 createEditorIfNeeded(); 6510 return mEditor.extractText(request, outText); 6511 } 6512 6513 /** 6514 * This is used to remove all style-impacting spans from text before new 6515 * extracted text is being replaced into it, so that we don't have any 6516 * lingering spans applied during the replace. 6517 */ 6518 static void removeParcelableSpans(Spannable spannable, int start, int end) { 6519 Object[] spans = spannable.getSpans(start, end, ParcelableSpan.class); 6520 int i = spans.length; 6521 while (i > 0) { 6522 i--; 6523 spannable.removeSpan(spans[i]); 6524 } 6525 } 6526 6527 /** 6528 * Apply to this text view the given extracted text, as previously 6529 * returned by {@link #extractText(ExtractedTextRequest, ExtractedText)}. 6530 */ 6531 public void setExtractedText(ExtractedText text) { 6532 Editable content = getEditableText(); 6533 if (text.text != null) { 6534 if (content == null) { 6535 setText(text.text, TextView.BufferType.EDITABLE); 6536 } else { 6537 int start = 0; 6538 int end = content.length(); 6539 6540 if (text.partialStartOffset >= 0) { 6541 final int N = content.length(); 6542 start = text.partialStartOffset; 6543 if (start > N) start = N; 6544 end = text.partialEndOffset; 6545 if (end > N) end = N; 6546 } 6547 6548 removeParcelableSpans(content, start, end); 6549 if (TextUtils.equals(content.subSequence(start, end), text.text)) { 6550 if (text.text instanceof Spanned) { 6551 // OK to copy spans only. 6552 TextUtils.copySpansFrom((Spanned) text.text, 0, end - start, 6553 Object.class, content, start); 6554 } 6555 } else { 6556 content.replace(start, end, text.text); 6557 } 6558 } 6559 } 6560 6561 // Now set the selection position... make sure it is in range, to 6562 // avoid crashes. If this is a partial update, it is possible that 6563 // the underlying text may have changed, causing us problems here. 6564 // Also we just don't want to trust clients to do the right thing. 6565 Spannable sp = (Spannable)getText(); 6566 final int N = sp.length(); 6567 int start = text.selectionStart; 6568 if (start < 0) start = 0; 6569 else if (start > N) start = N; 6570 int end = text.selectionEnd; 6571 if (end < 0) end = 0; 6572 else if (end > N) end = N; 6573 Selection.setSelection(sp, start, end); 6574 6575 // Finally, update the selection mode. 6576 if ((text.flags&ExtractedText.FLAG_SELECTING) != 0) { 6577 MetaKeyKeyListener.startSelecting(this, sp); 6578 } else { 6579 MetaKeyKeyListener.stopSelecting(this, sp); 6580 } 6581 } 6582 6583 /** 6584 * @hide 6585 */ 6586 public void setExtracting(ExtractedTextRequest req) { 6587 if (mEditor.mInputMethodState != null) { 6588 mEditor.mInputMethodState.mExtractedTextRequest = req; 6589 } 6590 // This would stop a possible selection mode, but no such mode is started in case 6591 // extracted mode will start. Some text is selected though, and will trigger an action mode 6592 // in the extracted view. 6593 mEditor.hideCursorAndSpanControllers(); 6594 stopTextActionMode(); 6595 if (mEditor.mSelectionModifierCursorController != null) { 6596 mEditor.mSelectionModifierCursorController.resetTouchOffsets(); 6597 } 6598 } 6599 6600 /** 6601 * Called by the framework in response to a text completion from 6602 * the current input method, provided by it calling 6603 * {@link InputConnection#commitCompletion 6604 * InputConnection.commitCompletion()}. The default implementation does 6605 * nothing; text views that are supporting auto-completion should override 6606 * this to do their desired behavior. 6607 * 6608 * @param text The auto complete text the user has selected. 6609 */ 6610 public void onCommitCompletion(CompletionInfo text) { 6611 // intentionally empty 6612 } 6613 6614 /** 6615 * Called by the framework in response to a text auto-correction (such as fixing a typo using a 6616 * a dictionnary) from the current input method, provided by it calling 6617 * {@link InputConnection#commitCorrection} InputConnection.commitCorrection()}. The default 6618 * implementation flashes the background of the corrected word to provide feedback to the user. 6619 * 6620 * @param info The auto correct info about the text that was corrected. 6621 */ 6622 public void onCommitCorrection(CorrectionInfo info) { 6623 if (mEditor != null) mEditor.onCommitCorrection(info); 6624 } 6625 6626 public void beginBatchEdit() { 6627 if (mEditor != null) mEditor.beginBatchEdit(); 6628 } 6629 6630 public void endBatchEdit() { 6631 if (mEditor != null) mEditor.endBatchEdit(); 6632 } 6633 6634 /** 6635 * Called by the framework in response to a request to begin a batch 6636 * of edit operations through a call to link {@link #beginBatchEdit()}. 6637 */ 6638 public void onBeginBatchEdit() { 6639 // intentionally empty 6640 } 6641 6642 /** 6643 * Called by the framework in response to a request to end a batch 6644 * of edit operations through a call to link {@link #endBatchEdit}. 6645 */ 6646 public void onEndBatchEdit() { 6647 // intentionally empty 6648 } 6649 6650 /** 6651 * Called by the framework in response to a private command from the 6652 * current method, provided by it calling 6653 * {@link InputConnection#performPrivateCommand 6654 * InputConnection.performPrivateCommand()}. 6655 * 6656 * @param action The action name of the command. 6657 * @param data Any additional data for the command. This may be null. 6658 * @return Return true if you handled the command, else false. 6659 */ 6660 public boolean onPrivateIMECommand(String action, Bundle data) { 6661 return false; 6662 } 6663 6664 private void nullLayouts() { 6665 if (mLayout instanceof BoringLayout && mSavedLayout == null) { 6666 mSavedLayout = (BoringLayout) mLayout; 6667 } 6668 if (mHintLayout instanceof BoringLayout && mSavedHintLayout == null) { 6669 mSavedHintLayout = (BoringLayout) mHintLayout; 6670 } 6671 6672 mSavedMarqueeModeLayout = mLayout = mHintLayout = null; 6673 6674 mBoring = mHintBoring = null; 6675 6676 // Since it depends on the value of mLayout 6677 if (mEditor != null) mEditor.prepareCursorControllers(); 6678 } 6679 6680 /** 6681 * Make a new Layout based on the already-measured size of the view, 6682 * on the assumption that it was measured correctly at some point. 6683 */ 6684 private void assumeLayout() { 6685 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6686 6687 if (width < 1) { 6688 width = 0; 6689 } 6690 6691 int physicalWidth = width; 6692 6693 if (mHorizontallyScrolling) { 6694 width = VERY_WIDE; 6695 } 6696 6697 makeNewLayout(width, physicalWidth, UNKNOWN_BORING, UNKNOWN_BORING, 6698 physicalWidth, false); 6699 } 6700 6701 private Layout.Alignment getLayoutAlignment() { 6702 Layout.Alignment alignment; 6703 switch (getTextAlignment()) { 6704 case TEXT_ALIGNMENT_GRAVITY: 6705 switch (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) { 6706 case Gravity.START: 6707 alignment = Layout.Alignment.ALIGN_NORMAL; 6708 break; 6709 case Gravity.END: 6710 alignment = Layout.Alignment.ALIGN_OPPOSITE; 6711 break; 6712 case Gravity.LEFT: 6713 alignment = Layout.Alignment.ALIGN_LEFT; 6714 break; 6715 case Gravity.RIGHT: 6716 alignment = Layout.Alignment.ALIGN_RIGHT; 6717 break; 6718 case Gravity.CENTER_HORIZONTAL: 6719 alignment = Layout.Alignment.ALIGN_CENTER; 6720 break; 6721 default: 6722 alignment = Layout.Alignment.ALIGN_NORMAL; 6723 break; 6724 } 6725 break; 6726 case TEXT_ALIGNMENT_TEXT_START: 6727 alignment = Layout.Alignment.ALIGN_NORMAL; 6728 break; 6729 case TEXT_ALIGNMENT_TEXT_END: 6730 alignment = Layout.Alignment.ALIGN_OPPOSITE; 6731 break; 6732 case TEXT_ALIGNMENT_CENTER: 6733 alignment = Layout.Alignment.ALIGN_CENTER; 6734 break; 6735 case TEXT_ALIGNMENT_VIEW_START: 6736 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 6737 Layout.Alignment.ALIGN_RIGHT : Layout.Alignment.ALIGN_LEFT; 6738 break; 6739 case TEXT_ALIGNMENT_VIEW_END: 6740 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 6741 Layout.Alignment.ALIGN_LEFT : Layout.Alignment.ALIGN_RIGHT; 6742 break; 6743 case TEXT_ALIGNMENT_INHERIT: 6744 // This should never happen as we have already resolved the text alignment 6745 // but better safe than sorry so we just fall through 6746 default: 6747 alignment = Layout.Alignment.ALIGN_NORMAL; 6748 break; 6749 } 6750 return alignment; 6751 } 6752 6753 /** 6754 * The width passed in is now the desired layout width, 6755 * not the full view width with padding. 6756 * {@hide} 6757 */ 6758 protected void makeNewLayout(int wantWidth, int hintWidth, 6759 BoringLayout.Metrics boring, 6760 BoringLayout.Metrics hintBoring, 6761 int ellipsisWidth, boolean bringIntoView) { 6762 stopMarquee(); 6763 6764 // Update "old" cached values 6765 mOldMaximum = mMaximum; 6766 mOldMaxMode = mMaxMode; 6767 6768 mHighlightPathBogus = true; 6769 6770 if (wantWidth < 0) { 6771 wantWidth = 0; 6772 } 6773 if (hintWidth < 0) { 6774 hintWidth = 0; 6775 } 6776 6777 Layout.Alignment alignment = getLayoutAlignment(); 6778 final boolean testDirChange = mSingleLine && mLayout != null && 6779 (alignment == Layout.Alignment.ALIGN_NORMAL || 6780 alignment == Layout.Alignment.ALIGN_OPPOSITE); 6781 int oldDir = 0; 6782 if (testDirChange) oldDir = mLayout.getParagraphDirection(0); 6783 boolean shouldEllipsize = mEllipsize != null && getKeyListener() == null; 6784 final boolean switchEllipsize = mEllipsize == TruncateAt.MARQUEE && 6785 mMarqueeFadeMode != MARQUEE_FADE_NORMAL; 6786 TruncateAt effectiveEllipsize = mEllipsize; 6787 if (mEllipsize == TruncateAt.MARQUEE && 6788 mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 6789 effectiveEllipsize = TruncateAt.END_SMALL; 6790 } 6791 6792 if (mTextDir == null) { 6793 mTextDir = getTextDirectionHeuristic(); 6794 } 6795 6796 mLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, 6797 effectiveEllipsize, effectiveEllipsize == mEllipsize); 6798 if (switchEllipsize) { 6799 TruncateAt oppositeEllipsize = effectiveEllipsize == TruncateAt.MARQUEE ? 6800 TruncateAt.END : TruncateAt.MARQUEE; 6801 mSavedMarqueeModeLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, 6802 shouldEllipsize, oppositeEllipsize, effectiveEllipsize != mEllipsize); 6803 } 6804 6805 shouldEllipsize = mEllipsize != null; 6806 mHintLayout = null; 6807 6808 if (mHint != null) { 6809 if (shouldEllipsize) hintWidth = wantWidth; 6810 6811 if (hintBoring == UNKNOWN_BORING) { 6812 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, 6813 mHintBoring); 6814 if (hintBoring != null) { 6815 mHintBoring = hintBoring; 6816 } 6817 } 6818 6819 if (hintBoring != null) { 6820 if (hintBoring.width <= hintWidth && 6821 (!shouldEllipsize || hintBoring.width <= ellipsisWidth)) { 6822 if (mSavedHintLayout != null) { 6823 mHintLayout = mSavedHintLayout. 6824 replaceOrMake(mHint, mTextPaint, 6825 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6826 hintBoring, mIncludePad); 6827 } else { 6828 mHintLayout = BoringLayout.make(mHint, mTextPaint, 6829 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6830 hintBoring, mIncludePad); 6831 } 6832 6833 mSavedHintLayout = (BoringLayout) mHintLayout; 6834 } else if (shouldEllipsize && hintBoring.width <= hintWidth) { 6835 if (mSavedHintLayout != null) { 6836 mHintLayout = mSavedHintLayout. 6837 replaceOrMake(mHint, mTextPaint, 6838 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6839 hintBoring, mIncludePad, mEllipsize, 6840 ellipsisWidth); 6841 } else { 6842 mHintLayout = BoringLayout.make(mHint, mTextPaint, 6843 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6844 hintBoring, mIncludePad, mEllipsize, 6845 ellipsisWidth); 6846 } 6847 } 6848 } 6849 // TODO: code duplication with makeSingleLayout() 6850 if (mHintLayout == null) { 6851 StaticLayout.Builder builder = StaticLayout.Builder.obtain(mHint, 0, 6852 mHint.length(), mTextPaint, hintWidth) 6853 .setAlignment(alignment) 6854 .setTextDirection(mTextDir) 6855 .setLineSpacing(mSpacingAdd, mSpacingMult) 6856 .setIncludePad(mIncludePad) 6857 .setBreakStrategy(mBreakStrategy) 6858 .setHyphenationFrequency(mHyphenationFrequency) 6859 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6860 if (shouldEllipsize) { 6861 builder.setEllipsize(mEllipsize) 6862 .setEllipsizedWidth(ellipsisWidth); 6863 } 6864 mHintLayout = builder.build(); 6865 } 6866 } 6867 6868 if (bringIntoView || (testDirChange && oldDir != mLayout.getParagraphDirection(0))) { 6869 registerForPreDraw(); 6870 } 6871 6872 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6873 if (!compressText(ellipsisWidth)) { 6874 final int height = mLayoutParams.height; 6875 // If the size of the view does not depend on the size of the text, try to 6876 // start the marquee immediately 6877 if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.MATCH_PARENT) { 6878 startMarquee(); 6879 } else { 6880 // Defer the start of the marquee until we know our width (see setFrame()) 6881 mRestartMarquee = true; 6882 } 6883 } 6884 } 6885 6886 // CursorControllers need a non-null mLayout 6887 if (mEditor != null) mEditor.prepareCursorControllers(); 6888 } 6889 6890 /** 6891 * @hide 6892 */ 6893 protected Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, 6894 Layout.Alignment alignment, boolean shouldEllipsize, TruncateAt effectiveEllipsize, 6895 boolean useSaved) { 6896 Layout result = null; 6897 if (mText instanceof Spannable) { 6898 result = new DynamicLayout(mText, mTransformed, mTextPaint, wantWidth, 6899 alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad, 6900 mBreakStrategy, mHyphenationFrequency, 6901 getKeyListener() == null ? effectiveEllipsize : null, ellipsisWidth); 6902 } else { 6903 if (boring == UNKNOWN_BORING) { 6904 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 6905 if (boring != null) { 6906 mBoring = boring; 6907 } 6908 } 6909 6910 if (boring != null) { 6911 if (boring.width <= wantWidth && 6912 (effectiveEllipsize == null || boring.width <= ellipsisWidth)) { 6913 if (useSaved && mSavedLayout != null) { 6914 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6915 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6916 boring, mIncludePad); 6917 } else { 6918 result = BoringLayout.make(mTransformed, mTextPaint, 6919 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6920 boring, mIncludePad); 6921 } 6922 6923 if (useSaved) { 6924 mSavedLayout = (BoringLayout) result; 6925 } 6926 } else if (shouldEllipsize && boring.width <= wantWidth) { 6927 if (useSaved && mSavedLayout != null) { 6928 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6929 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6930 boring, mIncludePad, effectiveEllipsize, 6931 ellipsisWidth); 6932 } else { 6933 result = BoringLayout.make(mTransformed, mTextPaint, 6934 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6935 boring, mIncludePad, effectiveEllipsize, 6936 ellipsisWidth); 6937 } 6938 } 6939 } 6940 } 6941 if (result == null) { 6942 StaticLayout.Builder builder = StaticLayout.Builder.obtain(mTransformed, 6943 0, mTransformed.length(), mTextPaint, wantWidth) 6944 .setAlignment(alignment) 6945 .setTextDirection(mTextDir) 6946 .setLineSpacing(mSpacingAdd, mSpacingMult) 6947 .setIncludePad(mIncludePad) 6948 .setBreakStrategy(mBreakStrategy) 6949 .setHyphenationFrequency(mHyphenationFrequency) 6950 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6951 if (shouldEllipsize) { 6952 builder.setEllipsize(effectiveEllipsize) 6953 .setEllipsizedWidth(ellipsisWidth); 6954 6955 } 6956 // TODO: explore always setting maxLines 6957 result = builder.build(); 6958 } 6959 return result; 6960 } 6961 6962 private boolean compressText(float width) { 6963 if (isHardwareAccelerated()) return false; 6964 6965 // Only compress the text if it hasn't been compressed by the previous pass 6966 if (width > 0.0f && mLayout != null && getLineCount() == 1 && !mUserSetTextScaleX && 6967 mTextPaint.getTextScaleX() == 1.0f) { 6968 final float textWidth = mLayout.getLineWidth(0); 6969 final float overflow = (textWidth + 1.0f - width) / width; 6970 if (overflow > 0.0f && overflow <= Marquee.MARQUEE_DELTA_MAX) { 6971 mTextPaint.setTextScaleX(1.0f - overflow - 0.005f); 6972 post(new Runnable() { 6973 public void run() { 6974 requestLayout(); 6975 } 6976 }); 6977 return true; 6978 } 6979 } 6980 6981 return false; 6982 } 6983 6984 private static int desired(Layout layout) { 6985 int n = layout.getLineCount(); 6986 CharSequence text = layout.getText(); 6987 float max = 0; 6988 6989 // if any line was wrapped, we can't use it. 6990 // but it's ok for the last line not to have a newline 6991 6992 for (int i = 0; i < n - 1; i++) { 6993 if (text.charAt(layout.getLineEnd(i) - 1) != '\n') 6994 return -1; 6995 } 6996 6997 for (int i = 0; i < n; i++) { 6998 max = Math.max(max, layout.getLineWidth(i)); 6999 } 7000 7001 return (int) Math.ceil(max); 7002 } 7003 7004 /** 7005 * Set whether the TextView includes extra top and bottom padding to make 7006 * room for accents that go above the normal ascent and descent. 7007 * The default is true. 7008 * 7009 * @see #getIncludeFontPadding() 7010 * 7011 * @attr ref android.R.styleable#TextView_includeFontPadding 7012 */ 7013 public void setIncludeFontPadding(boolean includepad) { 7014 if (mIncludePad != includepad) { 7015 mIncludePad = includepad; 7016 7017 if (mLayout != null) { 7018 nullLayouts(); 7019 requestLayout(); 7020 invalidate(); 7021 } 7022 } 7023 } 7024 7025 /** 7026 * Gets whether the TextView includes extra top and bottom padding to make 7027 * room for accents that go above the normal ascent and descent. 7028 * 7029 * @see #setIncludeFontPadding(boolean) 7030 * 7031 * @attr ref android.R.styleable#TextView_includeFontPadding 7032 */ 7033 public boolean getIncludeFontPadding() { 7034 return mIncludePad; 7035 } 7036 7037 private static final BoringLayout.Metrics UNKNOWN_BORING = new BoringLayout.Metrics(); 7038 7039 @Override 7040 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 7041 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 7042 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 7043 int widthSize = MeasureSpec.getSize(widthMeasureSpec); 7044 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 7045 7046 int width; 7047 int height; 7048 7049 BoringLayout.Metrics boring = UNKNOWN_BORING; 7050 BoringLayout.Metrics hintBoring = UNKNOWN_BORING; 7051 7052 if (mTextDir == null) { 7053 mTextDir = getTextDirectionHeuristic(); 7054 } 7055 7056 int des = -1; 7057 boolean fromexisting = false; 7058 7059 if (widthMode == MeasureSpec.EXACTLY) { 7060 // Parent has told us how big to be. So be it. 7061 width = widthSize; 7062 } else { 7063 if (mLayout != null && mEllipsize == null) { 7064 des = desired(mLayout); 7065 } 7066 7067 if (des < 0) { 7068 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 7069 if (boring != null) { 7070 mBoring = boring; 7071 } 7072 } else { 7073 fromexisting = true; 7074 } 7075 7076 if (boring == null || boring == UNKNOWN_BORING) { 7077 if (des < 0) { 7078 des = (int) Math.ceil(Layout.getDesiredWidth(mTransformed, mTextPaint)); 7079 } 7080 width = des; 7081 } else { 7082 width = boring.width; 7083 } 7084 7085 final Drawables dr = mDrawables; 7086 if (dr != null) { 7087 width = Math.max(width, dr.mDrawableWidthTop); 7088 width = Math.max(width, dr.mDrawableWidthBottom); 7089 } 7090 7091 if (mHint != null) { 7092 int hintDes = -1; 7093 int hintWidth; 7094 7095 if (mHintLayout != null && mEllipsize == null) { 7096 hintDes = desired(mHintLayout); 7097 } 7098 7099 if (hintDes < 0) { 7100 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring); 7101 if (hintBoring != null) { 7102 mHintBoring = hintBoring; 7103 } 7104 } 7105 7106 if (hintBoring == null || hintBoring == UNKNOWN_BORING) { 7107 if (hintDes < 0) { 7108 hintDes = (int) Math.ceil(Layout.getDesiredWidth(mHint, mTextPaint)); 7109 } 7110 hintWidth = hintDes; 7111 } else { 7112 hintWidth = hintBoring.width; 7113 } 7114 7115 if (hintWidth > width) { 7116 width = hintWidth; 7117 } 7118 } 7119 7120 width += getCompoundPaddingLeft() + getCompoundPaddingRight(); 7121 7122 if (mMaxWidthMode == EMS) { 7123 width = Math.min(width, mMaxWidth * getLineHeight()); 7124 } else { 7125 width = Math.min(width, mMaxWidth); 7126 } 7127 7128 if (mMinWidthMode == EMS) { 7129 width = Math.max(width, mMinWidth * getLineHeight()); 7130 } else { 7131 width = Math.max(width, mMinWidth); 7132 } 7133 7134 // Check against our minimum width 7135 width = Math.max(width, getSuggestedMinimumWidth()); 7136 7137 if (widthMode == MeasureSpec.AT_MOST) { 7138 width = Math.min(widthSize, width); 7139 } 7140 } 7141 7142 int want = width - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7143 int unpaddedWidth = want; 7144 7145 if (mHorizontallyScrolling) want = VERY_WIDE; 7146 7147 int hintWant = want; 7148 int hintWidth = (mHintLayout == null) ? hintWant : mHintLayout.getWidth(); 7149 7150 if (mLayout == null) { 7151 makeNewLayout(want, hintWant, boring, hintBoring, 7152 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 7153 } else { 7154 final boolean layoutChanged = (mLayout.getWidth() != want) || 7155 (hintWidth != hintWant) || 7156 (mLayout.getEllipsizedWidth() != 7157 width - getCompoundPaddingLeft() - getCompoundPaddingRight()); 7158 7159 final boolean widthChanged = (mHint == null) && 7160 (mEllipsize == null) && 7161 (want > mLayout.getWidth()) && 7162 (mLayout instanceof BoringLayout || (fromexisting && des >= 0 && des <= want)); 7163 7164 final boolean maximumChanged = (mMaxMode != mOldMaxMode) || (mMaximum != mOldMaximum); 7165 7166 if (layoutChanged || maximumChanged) { 7167 if (!maximumChanged && widthChanged) { 7168 mLayout.increaseWidthTo(want); 7169 } else { 7170 makeNewLayout(want, hintWant, boring, hintBoring, 7171 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 7172 } 7173 } else { 7174 // Nothing has changed 7175 } 7176 } 7177 7178 if (heightMode == MeasureSpec.EXACTLY) { 7179 // Parent has told us how big to be. So be it. 7180 height = heightSize; 7181 mDesiredHeightAtMeasure = -1; 7182 } else { 7183 int desired = getDesiredHeight(); 7184 7185 height = desired; 7186 mDesiredHeightAtMeasure = desired; 7187 7188 if (heightMode == MeasureSpec.AT_MOST) { 7189 height = Math.min(desired, heightSize); 7190 } 7191 } 7192 7193 int unpaddedHeight = height - getCompoundPaddingTop() - getCompoundPaddingBottom(); 7194 if (mMaxMode == LINES && mLayout.getLineCount() > mMaximum) { 7195 unpaddedHeight = Math.min(unpaddedHeight, mLayout.getLineTop(mMaximum)); 7196 } 7197 7198 /* 7199 * We didn't let makeNewLayout() register to bring the cursor into view, 7200 * so do it here if there is any possibility that it is needed. 7201 */ 7202 if (mMovement != null || 7203 mLayout.getWidth() > unpaddedWidth || 7204 mLayout.getHeight() > unpaddedHeight) { 7205 registerForPreDraw(); 7206 } else { 7207 scrollTo(0, 0); 7208 } 7209 7210 setMeasuredDimension(width, height); 7211 } 7212 7213 private int getDesiredHeight() { 7214 return Math.max( 7215 getDesiredHeight(mLayout, true), 7216 getDesiredHeight(mHintLayout, mEllipsize != null)); 7217 } 7218 7219 private int getDesiredHeight(Layout layout, boolean cap) { 7220 if (layout == null) { 7221 return 0; 7222 } 7223 7224 int linecount = layout.getLineCount(); 7225 int pad = getCompoundPaddingTop() + getCompoundPaddingBottom(); 7226 int desired = layout.getLineTop(linecount); 7227 7228 final Drawables dr = mDrawables; 7229 if (dr != null) { 7230 desired = Math.max(desired, dr.mDrawableHeightLeft); 7231 desired = Math.max(desired, dr.mDrawableHeightRight); 7232 } 7233 7234 desired += pad; 7235 7236 if (mMaxMode == LINES) { 7237 /* 7238 * Don't cap the hint to a certain number of lines. 7239 * (Do cap it, though, if we have a maximum pixel height.) 7240 */ 7241 if (cap) { 7242 if (linecount > mMaximum) { 7243 desired = layout.getLineTop(mMaximum); 7244 7245 if (dr != null) { 7246 desired = Math.max(desired, dr.mDrawableHeightLeft); 7247 desired = Math.max(desired, dr.mDrawableHeightRight); 7248 } 7249 7250 desired += pad; 7251 linecount = mMaximum; 7252 } 7253 } 7254 } else { 7255 desired = Math.min(desired, mMaximum); 7256 } 7257 7258 if (mMinMode == LINES) { 7259 if (linecount < mMinimum) { 7260 desired += getLineHeight() * (mMinimum - linecount); 7261 } 7262 } else { 7263 desired = Math.max(desired, mMinimum); 7264 } 7265 7266 // Check against our minimum height 7267 desired = Math.max(desired, getSuggestedMinimumHeight()); 7268 7269 return desired; 7270 } 7271 7272 /** 7273 * Check whether a change to the existing text layout requires a 7274 * new view layout. 7275 */ 7276 private void checkForResize() { 7277 boolean sizeChanged = false; 7278 7279 if (mLayout != null) { 7280 // Check if our width changed 7281 if (mLayoutParams.width == LayoutParams.WRAP_CONTENT) { 7282 sizeChanged = true; 7283 invalidate(); 7284 } 7285 7286 // Check if our height changed 7287 if (mLayoutParams.height == LayoutParams.WRAP_CONTENT) { 7288 int desiredHeight = getDesiredHeight(); 7289 7290 if (desiredHeight != this.getHeight()) { 7291 sizeChanged = true; 7292 } 7293 } else if (mLayoutParams.height == LayoutParams.MATCH_PARENT) { 7294 if (mDesiredHeightAtMeasure >= 0) { 7295 int desiredHeight = getDesiredHeight(); 7296 7297 if (desiredHeight != mDesiredHeightAtMeasure) { 7298 sizeChanged = true; 7299 } 7300 } 7301 } 7302 } 7303 7304 if (sizeChanged) { 7305 requestLayout(); 7306 // caller will have already invalidated 7307 } 7308 } 7309 7310 /** 7311 * Check whether entirely new text requires a new view layout 7312 * or merely a new text layout. 7313 */ 7314 private void checkForRelayout() { 7315 // If we have a fixed width, we can just swap in a new text layout 7316 // if the text height stays the same or if the view height is fixed. 7317 7318 if (((mLayoutParams.width != LayoutParams.WRAP_CONTENT && mLayoutParams.width != 0) || 7319 (mMaxWidthMode == mMinWidthMode && mMaxWidth == mMinWidth)) && 7320 (mHint == null || mHintLayout != null) && 7321 (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight() > 0)) { 7322 // Static width, so try making a new text layout. 7323 7324 int oldht = mLayout.getHeight(); 7325 int want = mLayout.getWidth(); 7326 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 7327 7328 /* 7329 * No need to bring the text into view, since the size is not 7330 * changing (unless we do the requestLayout(), in which case it 7331 * will happen at measure). 7332 */ 7333 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 7334 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), 7335 false); 7336 7337 if (mEllipsize != TextUtils.TruncateAt.MARQUEE) { 7338 // In a fixed-height view, so use our new text layout. 7339 if (mLayoutParams.height != LayoutParams.WRAP_CONTENT && 7340 mLayoutParams.height != LayoutParams.MATCH_PARENT) { 7341 invalidate(); 7342 return; 7343 } 7344 7345 // Dynamic height, but height has stayed the same, 7346 // so use our new text layout. 7347 if (mLayout.getHeight() == oldht && 7348 (mHintLayout == null || mHintLayout.getHeight() == oldht)) { 7349 invalidate(); 7350 return; 7351 } 7352 } 7353 7354 // We lose: the height has changed and we have a dynamic height. 7355 // Request a new view layout using our new text layout. 7356 requestLayout(); 7357 invalidate(); 7358 } else { 7359 // Dynamic width, so we have no choice but to request a new 7360 // view layout with a new text layout. 7361 nullLayouts(); 7362 requestLayout(); 7363 invalidate(); 7364 } 7365 } 7366 7367 @Override 7368 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 7369 super.onLayout(changed, left, top, right, bottom); 7370 if (mDeferScroll >= 0) { 7371 int curs = mDeferScroll; 7372 mDeferScroll = -1; 7373 bringPointIntoView(Math.min(curs, mText.length())); 7374 } 7375 } 7376 7377 private boolean isShowingHint() { 7378 return TextUtils.isEmpty(mText) && !TextUtils.isEmpty(mHint); 7379 } 7380 7381 /** 7382 * Returns true if anything changed. 7383 */ 7384 private boolean bringTextIntoView() { 7385 Layout layout = isShowingHint() ? mHintLayout : mLayout; 7386 int line = 0; 7387 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 7388 line = layout.getLineCount() - 1; 7389 } 7390 7391 Layout.Alignment a = layout.getParagraphAlignment(line); 7392 int dir = layout.getParagraphDirection(line); 7393 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7394 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7395 int ht = layout.getHeight(); 7396 7397 int scrollx, scrolly; 7398 7399 // Convert to left, center, or right alignment. 7400 if (a == Layout.Alignment.ALIGN_NORMAL) { 7401 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_LEFT : 7402 Layout.Alignment.ALIGN_RIGHT; 7403 } else if (a == Layout.Alignment.ALIGN_OPPOSITE){ 7404 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_RIGHT : 7405 Layout.Alignment.ALIGN_LEFT; 7406 } 7407 7408 if (a == Layout.Alignment.ALIGN_CENTER) { 7409 /* 7410 * Keep centered if possible, or, if it is too wide to fit, 7411 * keep leading edge in view. 7412 */ 7413 7414 int left = (int) Math.floor(layout.getLineLeft(line)); 7415 int right = (int) Math.ceil(layout.getLineRight(line)); 7416 7417 if (right - left < hspace) { 7418 scrollx = (right + left) / 2 - hspace / 2; 7419 } else { 7420 if (dir < 0) { 7421 scrollx = right - hspace; 7422 } else { 7423 scrollx = left; 7424 } 7425 } 7426 } else if (a == Layout.Alignment.ALIGN_RIGHT) { 7427 int right = (int) Math.ceil(layout.getLineRight(line)); 7428 scrollx = right - hspace; 7429 } else { // a == Layout.Alignment.ALIGN_LEFT (will also be the default) 7430 scrollx = (int) Math.floor(layout.getLineLeft(line)); 7431 } 7432 7433 if (ht < vspace) { 7434 scrolly = 0; 7435 } else { 7436 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 7437 scrolly = ht - vspace; 7438 } else { 7439 scrolly = 0; 7440 } 7441 } 7442 7443 if (scrollx != mScrollX || scrolly != mScrollY) { 7444 scrollTo(scrollx, scrolly); 7445 return true; 7446 } else { 7447 return false; 7448 } 7449 } 7450 7451 /** 7452 * Move the point, specified by the offset, into the view if it is needed. 7453 * This has to be called after layout. Returns true if anything changed. 7454 */ 7455 public boolean bringPointIntoView(int offset) { 7456 if (isLayoutRequested()) { 7457 mDeferScroll = offset; 7458 return false; 7459 } 7460 boolean changed = false; 7461 7462 Layout layout = isShowingHint() ? mHintLayout: mLayout; 7463 7464 if (layout == null) return changed; 7465 7466 int line = layout.getLineForOffset(offset); 7467 7468 int grav; 7469 7470 switch (layout.getParagraphAlignment(line)) { 7471 case ALIGN_LEFT: 7472 grav = 1; 7473 break; 7474 case ALIGN_RIGHT: 7475 grav = -1; 7476 break; 7477 case ALIGN_NORMAL: 7478 grav = layout.getParagraphDirection(line); 7479 break; 7480 case ALIGN_OPPOSITE: 7481 grav = -layout.getParagraphDirection(line); 7482 break; 7483 case ALIGN_CENTER: 7484 default: 7485 grav = 0; 7486 break; 7487 } 7488 7489 // We only want to clamp the cursor to fit within the layout width 7490 // in left-to-right modes, because in a right to left alignment, 7491 // we want to scroll to keep the line-right on the screen, as other 7492 // lines are likely to have text flush with the right margin, which 7493 // we want to keep visible. 7494 // A better long-term solution would probably be to measure both 7495 // the full line and a blank-trimmed version, and, for example, use 7496 // the latter measurement for centering and right alignment, but for 7497 // the time being we only implement the cursor clamping in left to 7498 // right where it is most likely to be annoying. 7499 final boolean clamped = grav > 0; 7500 // FIXME: Is it okay to truncate this, or should we round? 7501 final int x = (int)layout.getPrimaryHorizontal(offset, clamped); 7502 final int top = layout.getLineTop(line); 7503 final int bottom = layout.getLineTop(line + 1); 7504 7505 int left = (int) Math.floor(layout.getLineLeft(line)); 7506 int right = (int) Math.ceil(layout.getLineRight(line)); 7507 int ht = layout.getHeight(); 7508 7509 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7510 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7511 if (!mHorizontallyScrolling && right - left > hspace && right > x) { 7512 // If cursor has been clamped, make sure we don't scroll. 7513 right = Math.max(x, left + hspace); 7514 } 7515 7516 int hslack = (bottom - top) / 2; 7517 int vslack = hslack; 7518 7519 if (vslack > vspace / 4) 7520 vslack = vspace / 4; 7521 if (hslack > hspace / 4) 7522 hslack = hspace / 4; 7523 7524 int hs = mScrollX; 7525 int vs = mScrollY; 7526 7527 if (top - vs < vslack) 7528 vs = top - vslack; 7529 if (bottom - vs > vspace - vslack) 7530 vs = bottom - (vspace - vslack); 7531 if (ht - vs < vspace) 7532 vs = ht - vspace; 7533 if (0 - vs > 0) 7534 vs = 0; 7535 7536 if (grav != 0) { 7537 if (x - hs < hslack) { 7538 hs = x - hslack; 7539 } 7540 if (x - hs > hspace - hslack) { 7541 hs = x - (hspace - hslack); 7542 } 7543 } 7544 7545 if (grav < 0) { 7546 if (left - hs > 0) 7547 hs = left; 7548 if (right - hs < hspace) 7549 hs = right - hspace; 7550 } else if (grav > 0) { 7551 if (right - hs < hspace) 7552 hs = right - hspace; 7553 if (left - hs > 0) 7554 hs = left; 7555 } else /* grav == 0 */ { 7556 if (right - left <= hspace) { 7557 /* 7558 * If the entire text fits, center it exactly. 7559 */ 7560 hs = left - (hspace - (right - left)) / 2; 7561 } else if (x > right - hslack) { 7562 /* 7563 * If we are near the right edge, keep the right edge 7564 * at the edge of the view. 7565 */ 7566 hs = right - hspace; 7567 } else if (x < left + hslack) { 7568 /* 7569 * If we are near the left edge, keep the left edge 7570 * at the edge of the view. 7571 */ 7572 hs = left; 7573 } else if (left > hs) { 7574 /* 7575 * Is there whitespace visible at the left? Fix it if so. 7576 */ 7577 hs = left; 7578 } else if (right < hs + hspace) { 7579 /* 7580 * Is there whitespace visible at the right? Fix it if so. 7581 */ 7582 hs = right - hspace; 7583 } else { 7584 /* 7585 * Otherwise, float as needed. 7586 */ 7587 if (x - hs < hslack) { 7588 hs = x - hslack; 7589 } 7590 if (x - hs > hspace - hslack) { 7591 hs = x - (hspace - hslack); 7592 } 7593 } 7594 } 7595 7596 if (hs != mScrollX || vs != mScrollY) { 7597 if (mScroller == null) { 7598 scrollTo(hs, vs); 7599 } else { 7600 long duration = AnimationUtils.currentAnimationTimeMillis() - mLastScroll; 7601 int dx = hs - mScrollX; 7602 int dy = vs - mScrollY; 7603 7604 if (duration > ANIMATED_SCROLL_GAP) { 7605 mScroller.startScroll(mScrollX, mScrollY, dx, dy); 7606 awakenScrollBars(mScroller.getDuration()); 7607 invalidate(); 7608 } else { 7609 if (!mScroller.isFinished()) { 7610 mScroller.abortAnimation(); 7611 } 7612 7613 scrollBy(dx, dy); 7614 } 7615 7616 mLastScroll = AnimationUtils.currentAnimationTimeMillis(); 7617 } 7618 7619 changed = true; 7620 } 7621 7622 if (isFocused()) { 7623 // This offsets because getInterestingRect() is in terms of viewport coordinates, but 7624 // requestRectangleOnScreen() is in terms of content coordinates. 7625 7626 // The offsets here are to ensure the rectangle we are using is 7627 // within our view bounds, in case the cursor is on the far left 7628 // or right. If it isn't withing the bounds, then this request 7629 // will be ignored. 7630 if (mTempRect == null) mTempRect = new Rect(); 7631 mTempRect.set(x - 2, top, x + 2, bottom); 7632 getInterestingRect(mTempRect, line); 7633 mTempRect.offset(mScrollX, mScrollY); 7634 7635 if (requestRectangleOnScreen(mTempRect)) { 7636 changed = true; 7637 } 7638 } 7639 7640 return changed; 7641 } 7642 7643 /** 7644 * Move the cursor, if needed, so that it is at an offset that is visible 7645 * to the user. This will not move the cursor if it represents more than 7646 * one character (a selection range). This will only work if the 7647 * TextView contains spannable text; otherwise it will do nothing. 7648 * 7649 * @return True if the cursor was actually moved, false otherwise. 7650 */ 7651 public boolean moveCursorToVisibleOffset() { 7652 if (!(mText instanceof Spannable)) { 7653 return false; 7654 } 7655 int start = getSelectionStart(); 7656 int end = getSelectionEnd(); 7657 if (start != end) { 7658 return false; 7659 } 7660 7661 // First: make sure the line is visible on screen: 7662 7663 int line = mLayout.getLineForOffset(start); 7664 7665 final int top = mLayout.getLineTop(line); 7666 final int bottom = mLayout.getLineTop(line + 1); 7667 final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7668 int vslack = (bottom - top) / 2; 7669 if (vslack > vspace / 4) 7670 vslack = vspace / 4; 7671 final int vs = mScrollY; 7672 7673 if (top < (vs+vslack)) { 7674 line = mLayout.getLineForVertical(vs+vslack+(bottom-top)); 7675 } else if (bottom > (vspace+vs-vslack)) { 7676 line = mLayout.getLineForVertical(vspace+vs-vslack-(bottom-top)); 7677 } 7678 7679 // Next: make sure the character is visible on screen: 7680 7681 final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7682 final int hs = mScrollX; 7683 final int leftChar = mLayout.getOffsetForHorizontal(line, hs); 7684 final int rightChar = mLayout.getOffsetForHorizontal(line, hspace+hs); 7685 7686 // line might contain bidirectional text 7687 final int lowChar = leftChar < rightChar ? leftChar : rightChar; 7688 final int highChar = leftChar > rightChar ? leftChar : rightChar; 7689 7690 int newStart = start; 7691 if (newStart < lowChar) { 7692 newStart = lowChar; 7693 } else if (newStart > highChar) { 7694 newStart = highChar; 7695 } 7696 7697 if (newStart != start) { 7698 Selection.setSelection((Spannable)mText, newStart); 7699 return true; 7700 } 7701 7702 return false; 7703 } 7704 7705 @Override 7706 public void computeScroll() { 7707 if (mScroller != null) { 7708 if (mScroller.computeScrollOffset()) { 7709 mScrollX = mScroller.getCurrX(); 7710 mScrollY = mScroller.getCurrY(); 7711 invalidateParentCaches(); 7712 postInvalidate(); // So we draw again 7713 } 7714 } 7715 } 7716 7717 private void getInterestingRect(Rect r, int line) { 7718 convertFromViewportToContentCoordinates(r); 7719 7720 // Rectangle can can be expanded on first and last line to take 7721 // padding into account. 7722 // TODO Take left/right padding into account too? 7723 if (line == 0) r.top -= getExtendedPaddingTop(); 7724 if (line == mLayout.getLineCount() - 1) r.bottom += getExtendedPaddingBottom(); 7725 } 7726 7727 private void convertFromViewportToContentCoordinates(Rect r) { 7728 final int horizontalOffset = viewportToContentHorizontalOffset(); 7729 r.left += horizontalOffset; 7730 r.right += horizontalOffset; 7731 7732 final int verticalOffset = viewportToContentVerticalOffset(); 7733 r.top += verticalOffset; 7734 r.bottom += verticalOffset; 7735 } 7736 7737 int viewportToContentHorizontalOffset() { 7738 return getCompoundPaddingLeft() - mScrollX; 7739 } 7740 7741 int viewportToContentVerticalOffset() { 7742 int offset = getExtendedPaddingTop() - mScrollY; 7743 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 7744 offset += getVerticalOffset(false); 7745 } 7746 return offset; 7747 } 7748 7749 @Override 7750 public void debug(int depth) { 7751 super.debug(depth); 7752 7753 String output = debugIndent(depth); 7754 output += "frame={" + mLeft + ", " + mTop + ", " + mRight 7755 + ", " + mBottom + "} scroll={" + mScrollX + ", " + mScrollY 7756 + "} "; 7757 7758 if (mText != null) { 7759 7760 output += "mText=\"" + mText + "\" "; 7761 if (mLayout != null) { 7762 output += "mLayout width=" + mLayout.getWidth() 7763 + " height=" + mLayout.getHeight(); 7764 } 7765 } else { 7766 output += "mText=NULL"; 7767 } 7768 Log.d(VIEW_LOG_TAG, output); 7769 } 7770 7771 /** 7772 * Convenience for {@link Selection#getSelectionStart}. 7773 */ 7774 @ViewDebug.ExportedProperty(category = "text") 7775 public int getSelectionStart() { 7776 return Selection.getSelectionStart(getText()); 7777 } 7778 7779 /** 7780 * Convenience for {@link Selection#getSelectionEnd}. 7781 */ 7782 @ViewDebug.ExportedProperty(category = "text") 7783 public int getSelectionEnd() { 7784 return Selection.getSelectionEnd(getText()); 7785 } 7786 7787 /** 7788 * Return true iff there is a selection inside this text view. 7789 */ 7790 public boolean hasSelection() { 7791 final int selectionStart = getSelectionStart(); 7792 final int selectionEnd = getSelectionEnd(); 7793 7794 return selectionStart >= 0 && selectionStart != selectionEnd; 7795 } 7796 7797 String getSelectedText() { 7798 if (!hasSelection()) { 7799 return null; 7800 } 7801 7802 final int start = getSelectionStart(); 7803 final int end = getSelectionEnd(); 7804 return String.valueOf( 7805 start > end ? mText.subSequence(end, start) : mText.subSequence(start, end)); 7806 } 7807 7808 /** 7809 * Sets the properties of this field (lines, horizontally scrolling, 7810 * transformation method) to be for a single-line input. 7811 * 7812 * @attr ref android.R.styleable#TextView_singleLine 7813 */ 7814 public void setSingleLine() { 7815 setSingleLine(true); 7816 } 7817 7818 /** 7819 * Sets the properties of this field to transform input to ALL CAPS 7820 * display. This may use a "small caps" formatting if available. 7821 * This setting will be ignored if this field is editable or selectable. 7822 * 7823 * This call replaces the current transformation method. Disabling this 7824 * will not necessarily restore the previous behavior from before this 7825 * was enabled. 7826 * 7827 * @see #setTransformationMethod(TransformationMethod) 7828 * @attr ref android.R.styleable#TextView_textAllCaps 7829 */ 7830 public void setAllCaps(boolean allCaps) { 7831 if (allCaps) { 7832 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 7833 } else { 7834 setTransformationMethod(null); 7835 } 7836 } 7837 7838 /** 7839 * If true, sets the properties of this field (number of lines, horizontally scrolling, 7840 * transformation method) to be for a single-line input; if false, restores these to the default 7841 * conditions. 7842 * 7843 * Note that the default conditions are not necessarily those that were in effect prior this 7844 * method, and you may want to reset these properties to your custom values. 7845 * 7846 * @attr ref android.R.styleable#TextView_singleLine 7847 */ 7848 @android.view.RemotableViewMethod 7849 public void setSingleLine(boolean singleLine) { 7850 // Could be used, but may break backward compatibility. 7851 // if (mSingleLine == singleLine) return; 7852 setInputTypeSingleLine(singleLine); 7853 applySingleLine(singleLine, true, true); 7854 } 7855 7856 /** 7857 * Adds or remove the EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE on the mInputType. 7858 * @param singleLine 7859 */ 7860 private void setInputTypeSingleLine(boolean singleLine) { 7861 if (mEditor != null && 7862 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 7863 if (singleLine) { 7864 mEditor.mInputType &= ~EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7865 } else { 7866 mEditor.mInputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7867 } 7868 } 7869 } 7870 7871 private void applySingleLine(boolean singleLine, boolean applyTransformation, 7872 boolean changeMaxLines) { 7873 mSingleLine = singleLine; 7874 if (singleLine) { 7875 setLines(1); 7876 setHorizontallyScrolling(true); 7877 if (applyTransformation) { 7878 setTransformationMethod(SingleLineTransformationMethod.getInstance()); 7879 } 7880 } else { 7881 if (changeMaxLines) { 7882 setMaxLines(Integer.MAX_VALUE); 7883 } 7884 setHorizontallyScrolling(false); 7885 if (applyTransformation) { 7886 setTransformationMethod(null); 7887 } 7888 } 7889 } 7890 7891 /** 7892 * Causes words in the text that are longer than the view's width 7893 * to be ellipsized instead of broken in the middle. You may also 7894 * want to {@link #setSingleLine} or {@link #setHorizontallyScrolling} 7895 * to constrain the text to a single line. Use <code>null</code> 7896 * to turn off ellipsizing. 7897 * 7898 * If {@link #setMaxLines} has been used to set two or more lines, 7899 * only {@link android.text.TextUtils.TruncateAt#END} and 7900 * {@link android.text.TextUtils.TruncateAt#MARQUEE} are supported 7901 * (other ellipsizing types will not do anything). 7902 * 7903 * @attr ref android.R.styleable#TextView_ellipsize 7904 */ 7905 public void setEllipsize(TextUtils.TruncateAt where) { 7906 // TruncateAt is an enum. != comparison is ok between these singleton objects. 7907 if (mEllipsize != where) { 7908 mEllipsize = where; 7909 7910 if (mLayout != null) { 7911 nullLayouts(); 7912 requestLayout(); 7913 invalidate(); 7914 } 7915 } 7916 } 7917 7918 /** 7919 * Sets how many times to repeat the marquee animation. Only applied if the 7920 * TextView has marquee enabled. Set to -1 to repeat indefinitely. 7921 * 7922 * @see #getMarqueeRepeatLimit() 7923 * 7924 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7925 */ 7926 public void setMarqueeRepeatLimit(int marqueeLimit) { 7927 mMarqueeRepeatLimit = marqueeLimit; 7928 } 7929 7930 /** 7931 * Gets the number of times the marquee animation is repeated. Only meaningful if the 7932 * TextView has marquee enabled. 7933 * 7934 * @return the number of times the marquee animation is repeated. -1 if the animation 7935 * repeats indefinitely 7936 * 7937 * @see #setMarqueeRepeatLimit(int) 7938 * 7939 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7940 */ 7941 public int getMarqueeRepeatLimit() { 7942 return mMarqueeRepeatLimit; 7943 } 7944 7945 /** 7946 * Returns where, if anywhere, words that are longer than the view 7947 * is wide should be ellipsized. 7948 */ 7949 @ViewDebug.ExportedProperty 7950 public TextUtils.TruncateAt getEllipsize() { 7951 return mEllipsize; 7952 } 7953 7954 /** 7955 * Set the TextView so that when it takes focus, all the text is 7956 * selected. 7957 * 7958 * @attr ref android.R.styleable#TextView_selectAllOnFocus 7959 */ 7960 @android.view.RemotableViewMethod 7961 public void setSelectAllOnFocus(boolean selectAllOnFocus) { 7962 createEditorIfNeeded(); 7963 mEditor.mSelectAllOnFocus = selectAllOnFocus; 7964 7965 if (selectAllOnFocus && !(mText instanceof Spannable)) { 7966 setText(mText, BufferType.SPANNABLE); 7967 } 7968 } 7969 7970 /** 7971 * Set whether the cursor is visible. The default is true. Note that this property only 7972 * makes sense for editable TextView. 7973 * 7974 * @see #isCursorVisible() 7975 * 7976 * @attr ref android.R.styleable#TextView_cursorVisible 7977 */ 7978 @android.view.RemotableViewMethod 7979 public void setCursorVisible(boolean visible) { 7980 if (visible && mEditor == null) return; // visible is the default value with no edit data 7981 createEditorIfNeeded(); 7982 if (mEditor.mCursorVisible != visible) { 7983 mEditor.mCursorVisible = visible; 7984 invalidate(); 7985 7986 mEditor.makeBlink(); 7987 7988 // InsertionPointCursorController depends on mCursorVisible 7989 mEditor.prepareCursorControllers(); 7990 } 7991 } 7992 7993 /** 7994 * @return whether or not the cursor is visible (assuming this TextView is editable) 7995 * 7996 * @see #setCursorVisible(boolean) 7997 * 7998 * @attr ref android.R.styleable#TextView_cursorVisible 7999 */ 8000 public boolean isCursorVisible() { 8001 // true is the default value 8002 return mEditor == null ? true : mEditor.mCursorVisible; 8003 } 8004 8005 private boolean canMarquee() { 8006 int width = (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight()); 8007 return width > 0 && (mLayout.getLineWidth(0) > width || 8008 (mMarqueeFadeMode != MARQUEE_FADE_NORMAL && mSavedMarqueeModeLayout != null && 8009 mSavedMarqueeModeLayout.getLineWidth(0) > width)); 8010 } 8011 8012 private void startMarquee() { 8013 // Do not ellipsize EditText 8014 if (getKeyListener() != null) return; 8015 8016 if (compressText(getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight())) { 8017 return; 8018 } 8019 8020 if ((mMarquee == null || mMarquee.isStopped()) && (isFocused() || isSelected()) && 8021 getLineCount() == 1 && canMarquee()) { 8022 8023 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 8024 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_FADE; 8025 final Layout tmp = mLayout; 8026 mLayout = mSavedMarqueeModeLayout; 8027 mSavedMarqueeModeLayout = tmp; 8028 setHorizontalFadingEdgeEnabled(true); 8029 requestLayout(); 8030 invalidate(); 8031 } 8032 8033 if (mMarquee == null) mMarquee = new Marquee(this); 8034 mMarquee.start(mMarqueeRepeatLimit); 8035 } 8036 } 8037 8038 private void stopMarquee() { 8039 if (mMarquee != null && !mMarquee.isStopped()) { 8040 mMarquee.stop(); 8041 } 8042 8043 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_FADE) { 8044 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 8045 final Layout tmp = mSavedMarqueeModeLayout; 8046 mSavedMarqueeModeLayout = mLayout; 8047 mLayout = tmp; 8048 setHorizontalFadingEdgeEnabled(false); 8049 requestLayout(); 8050 invalidate(); 8051 } 8052 } 8053 8054 private void startStopMarquee(boolean start) { 8055 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 8056 if (start) { 8057 startMarquee(); 8058 } else { 8059 stopMarquee(); 8060 } 8061 } 8062 } 8063 8064 /** 8065 * This method is called when the text is changed, in case any subclasses 8066 * would like to know. 8067 * 8068 * Within <code>text</code>, the <code>lengthAfter</code> characters 8069 * beginning at <code>start</code> have just replaced old text that had 8070 * length <code>lengthBefore</code>. It is an error to attempt to make 8071 * changes to <code>text</code> from this callback. 8072 * 8073 * @param text The text the TextView is displaying 8074 * @param start The offset of the start of the range of the text that was 8075 * modified 8076 * @param lengthBefore The length of the former text that has been replaced 8077 * @param lengthAfter The length of the replacement modified text 8078 */ 8079 protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 8080 // intentionally empty, template pattern method can be overridden by subclasses 8081 } 8082 8083 /** 8084 * This method is called when the selection has changed, in case any 8085 * subclasses would like to know. 8086 * 8087 * @param selStart The new selection start location. 8088 * @param selEnd The new selection end location. 8089 */ 8090 protected void onSelectionChanged(int selStart, int selEnd) { 8091 sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED); 8092 } 8093 8094 /** 8095 * Adds a TextWatcher to the list of those whose methods are called 8096 * whenever this TextView's text changes. 8097 * <p> 8098 * In 1.0, the {@link TextWatcher#afterTextChanged} method was erroneously 8099 * not called after {@link #setText} calls. Now, doing {@link #setText} 8100 * if there are any text changed listeners forces the buffer type to 8101 * Editable if it would not otherwise be and does call this method. 8102 */ 8103 public void addTextChangedListener(TextWatcher watcher) { 8104 if (mListeners == null) { 8105 mListeners = new ArrayList<TextWatcher>(); 8106 } 8107 8108 mListeners.add(watcher); 8109 } 8110 8111 /** 8112 * Removes the specified TextWatcher from the list of those whose 8113 * methods are called 8114 * whenever this TextView's text changes. 8115 */ 8116 public void removeTextChangedListener(TextWatcher watcher) { 8117 if (mListeners != null) { 8118 int i = mListeners.indexOf(watcher); 8119 8120 if (i >= 0) { 8121 mListeners.remove(i); 8122 } 8123 } 8124 } 8125 8126 private void sendBeforeTextChanged(CharSequence text, int start, int before, int after) { 8127 if (mListeners != null) { 8128 final ArrayList<TextWatcher> list = mListeners; 8129 final int count = list.size(); 8130 for (int i = 0; i < count; i++) { 8131 list.get(i).beforeTextChanged(text, start, before, after); 8132 } 8133 } 8134 8135 // The spans that are inside or intersect the modified region no longer make sense 8136 removeIntersectingNonAdjacentSpans(start, start + before, SpellCheckSpan.class); 8137 removeIntersectingNonAdjacentSpans(start, start + before, SuggestionSpan.class); 8138 } 8139 8140 // Removes all spans that are inside or actually overlap the start..end range 8141 private <T> void removeIntersectingNonAdjacentSpans(int start, int end, Class<T> type) { 8142 if (!(mText instanceof Editable)) return; 8143 Editable text = (Editable) mText; 8144 8145 T[] spans = text.getSpans(start, end, type); 8146 final int length = spans.length; 8147 for (int i = 0; i < length; i++) { 8148 final int spanStart = text.getSpanStart(spans[i]); 8149 final int spanEnd = text.getSpanEnd(spans[i]); 8150 if (spanEnd == start || spanStart == end) break; 8151 text.removeSpan(spans[i]); 8152 } 8153 } 8154 8155 void removeAdjacentSuggestionSpans(final int pos) { 8156 if (!(mText instanceof Editable)) return; 8157 final Editable text = (Editable) mText; 8158 8159 final SuggestionSpan[] spans = text.getSpans(pos, pos, SuggestionSpan.class); 8160 final int length = spans.length; 8161 for (int i = 0; i < length; i++) { 8162 final int spanStart = text.getSpanStart(spans[i]); 8163 final int spanEnd = text.getSpanEnd(spans[i]); 8164 if (spanEnd == pos || spanStart == pos) { 8165 if (SpellChecker.haveWordBoundariesChanged(text, pos, pos, spanStart, spanEnd)) { 8166 text.removeSpan(spans[i]); 8167 } 8168 } 8169 } 8170 } 8171 8172 /** 8173 * Not private so it can be called from an inner class without going 8174 * through a thunk. 8175 */ 8176 void sendOnTextChanged(CharSequence text, int start, int before, int after) { 8177 if (mListeners != null) { 8178 final ArrayList<TextWatcher> list = mListeners; 8179 final int count = list.size(); 8180 for (int i = 0; i < count; i++) { 8181 list.get(i).onTextChanged(text, start, before, after); 8182 } 8183 } 8184 8185 if (mEditor != null) mEditor.sendOnTextChanged(start, after); 8186 } 8187 8188 /** 8189 * Not private so it can be called from an inner class without going 8190 * through a thunk. 8191 */ 8192 void sendAfterTextChanged(Editable text) { 8193 if (mListeners != null) { 8194 final ArrayList<TextWatcher> list = mListeners; 8195 final int count = list.size(); 8196 for (int i = 0; i < count; i++) { 8197 list.get(i).afterTextChanged(text); 8198 } 8199 } 8200 hideErrorIfUnchanged(); 8201 } 8202 8203 void updateAfterEdit() { 8204 invalidate(); 8205 int curs = getSelectionStart(); 8206 8207 if (curs >= 0 || (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 8208 registerForPreDraw(); 8209 } 8210 8211 checkForResize(); 8212 8213 if (curs >= 0) { 8214 mHighlightPathBogus = true; 8215 if (mEditor != null) mEditor.makeBlink(); 8216 bringPointIntoView(curs); 8217 } 8218 } 8219 8220 /** 8221 * Not private so it can be called from an inner class without going 8222 * through a thunk. 8223 */ 8224 void handleTextChanged(CharSequence buffer, int start, int before, int after) { 8225 sLastCutCopyOrTextChangedTime = 0; 8226 8227 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 8228 if (ims == null || ims.mBatchEditNesting == 0) { 8229 updateAfterEdit(); 8230 } 8231 if (ims != null) { 8232 ims.mContentChanged = true; 8233 if (ims.mChangedStart < 0) { 8234 ims.mChangedStart = start; 8235 ims.mChangedEnd = start+before; 8236 } else { 8237 ims.mChangedStart = Math.min(ims.mChangedStart, start); 8238 ims.mChangedEnd = Math.max(ims.mChangedEnd, start + before - ims.mChangedDelta); 8239 } 8240 ims.mChangedDelta += after-before; 8241 } 8242 resetErrorChangedFlag(); 8243 sendOnTextChanged(buffer, start, before, after); 8244 onTextChanged(buffer, start, before, after); 8245 } 8246 8247 /** 8248 * Not private so it can be called from an inner class without going 8249 * through a thunk. 8250 */ 8251 void spanChange(Spanned buf, Object what, int oldStart, int newStart, int oldEnd, int newEnd) { 8252 // XXX Make the start and end move together if this ends up 8253 // spending too much time invalidating. 8254 8255 boolean selChanged = false; 8256 int newSelStart=-1, newSelEnd=-1; 8257 8258 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 8259 8260 if (what == Selection.SELECTION_END) { 8261 selChanged = true; 8262 newSelEnd = newStart; 8263 8264 if (oldStart >= 0 || newStart >= 0) { 8265 invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart); 8266 checkForResize(); 8267 registerForPreDraw(); 8268 if (mEditor != null) mEditor.makeBlink(); 8269 } 8270 } 8271 8272 if (what == Selection.SELECTION_START) { 8273 selChanged = true; 8274 newSelStart = newStart; 8275 8276 if (oldStart >= 0 || newStart >= 0) { 8277 int end = Selection.getSelectionEnd(buf); 8278 invalidateCursor(end, oldStart, newStart); 8279 } 8280 } 8281 8282 if (selChanged) { 8283 mHighlightPathBogus = true; 8284 if (mEditor != null && !isFocused()) mEditor.mSelectionMoved = true; 8285 8286 if ((buf.getSpanFlags(what)&Spanned.SPAN_INTERMEDIATE) == 0) { 8287 if (newSelStart < 0) { 8288 newSelStart = Selection.getSelectionStart(buf); 8289 } 8290 if (newSelEnd < 0) { 8291 newSelEnd = Selection.getSelectionEnd(buf); 8292 } 8293 8294 if (mEditor != null) { 8295 mEditor.refreshTextActionMode(); 8296 if (!hasSelection() && mEditor.mTextActionMode == null && hasTransientState()) { 8297 // User generated selection has been removed. 8298 setHasTransientState(false); 8299 } 8300 } 8301 onSelectionChanged(newSelStart, newSelEnd); 8302 } 8303 } 8304 8305 if (what instanceof UpdateAppearance || what instanceof ParagraphStyle || 8306 what instanceof CharacterStyle) { 8307 if (ims == null || ims.mBatchEditNesting == 0) { 8308 invalidate(); 8309 mHighlightPathBogus = true; 8310 checkForResize(); 8311 } else { 8312 ims.mContentChanged = true; 8313 } 8314 if (mEditor != null) { 8315 if (oldStart >= 0) mEditor.invalidateTextDisplayList(mLayout, oldStart, oldEnd); 8316 if (newStart >= 0) mEditor.invalidateTextDisplayList(mLayout, newStart, newEnd); 8317 mEditor.invalidateHandlesAndActionMode(); 8318 } 8319 } 8320 8321 if (MetaKeyKeyListener.isMetaTracker(buf, what)) { 8322 mHighlightPathBogus = true; 8323 if (ims != null && MetaKeyKeyListener.isSelectingMetaTracker(buf, what)) { 8324 ims.mSelectionModeChanged = true; 8325 } 8326 8327 if (Selection.getSelectionStart(buf) >= 0) { 8328 if (ims == null || ims.mBatchEditNesting == 0) { 8329 invalidateCursor(); 8330 } else { 8331 ims.mCursorChanged = true; 8332 } 8333 } 8334 } 8335 8336 if (what instanceof ParcelableSpan) { 8337 // If this is a span that can be sent to a remote process, 8338 // the current extract editor would be interested in it. 8339 if (ims != null && ims.mExtractedTextRequest != null) { 8340 if (ims.mBatchEditNesting != 0) { 8341 if (oldStart >= 0) { 8342 if (ims.mChangedStart > oldStart) { 8343 ims.mChangedStart = oldStart; 8344 } 8345 if (ims.mChangedStart > oldEnd) { 8346 ims.mChangedStart = oldEnd; 8347 } 8348 } 8349 if (newStart >= 0) { 8350 if (ims.mChangedStart > newStart) { 8351 ims.mChangedStart = newStart; 8352 } 8353 if (ims.mChangedStart > newEnd) { 8354 ims.mChangedStart = newEnd; 8355 } 8356 } 8357 } else { 8358 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "Span change outside of batch: " 8359 + oldStart + "-" + oldEnd + "," 8360 + newStart + "-" + newEnd + " " + what); 8361 ims.mContentChanged = true; 8362 } 8363 } 8364 } 8365 8366 if (mEditor != null && mEditor.mSpellChecker != null && newStart < 0 && 8367 what instanceof SpellCheckSpan) { 8368 mEditor.mSpellChecker.onSpellCheckSpanRemoved((SpellCheckSpan) what); 8369 } 8370 } 8371 8372 @Override 8373 protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 8374 if (isTemporarilyDetached()) { 8375 // If we are temporarily in the detach state, then do nothing. 8376 super.onFocusChanged(focused, direction, previouslyFocusedRect); 8377 return; 8378 } 8379 8380 if (mEditor != null) mEditor.onFocusChanged(focused, direction); 8381 8382 if (focused) { 8383 if (mText instanceof Spannable) { 8384 Spannable sp = (Spannable) mText; 8385 MetaKeyKeyListener.resetMetaState(sp); 8386 } 8387 } 8388 8389 startStopMarquee(focused); 8390 8391 if (mTransformation != null) { 8392 mTransformation.onFocusChanged(this, mText, focused, direction, previouslyFocusedRect); 8393 } 8394 8395 super.onFocusChanged(focused, direction, previouslyFocusedRect); 8396 } 8397 8398 @Override 8399 public void onWindowFocusChanged(boolean hasWindowFocus) { 8400 super.onWindowFocusChanged(hasWindowFocus); 8401 8402 if (mEditor != null) mEditor.onWindowFocusChanged(hasWindowFocus); 8403 8404 startStopMarquee(hasWindowFocus); 8405 } 8406 8407 @Override 8408 protected void onVisibilityChanged(View changedView, int visibility) { 8409 super.onVisibilityChanged(changedView, visibility); 8410 if (mEditor != null && visibility != VISIBLE) { 8411 mEditor.hideCursorAndSpanControllers(); 8412 stopTextActionMode(); 8413 } 8414 } 8415 8416 /** 8417 * Use {@link BaseInputConnection#removeComposingSpans 8418 * BaseInputConnection.removeComposingSpans()} to remove any IME composing 8419 * state from this text view. 8420 */ 8421 public void clearComposingText() { 8422 if (mText instanceof Spannable) { 8423 BaseInputConnection.removeComposingSpans((Spannable)mText); 8424 } 8425 } 8426 8427 @Override 8428 public void setSelected(boolean selected) { 8429 boolean wasSelected = isSelected(); 8430 8431 super.setSelected(selected); 8432 8433 if (selected != wasSelected && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 8434 if (selected) { 8435 startMarquee(); 8436 } else { 8437 stopMarquee(); 8438 } 8439 } 8440 } 8441 8442 @Override 8443 public boolean onTouchEvent(MotionEvent event) { 8444 final int action = event.getActionMasked(); 8445 if (mEditor != null) { 8446 mEditor.onTouchEvent(event); 8447 8448 if (mEditor.mSelectionModifierCursorController != null && 8449 mEditor.mSelectionModifierCursorController.isDragAcceleratorActive()) { 8450 return true; 8451 } 8452 } 8453 8454 final boolean superResult = super.onTouchEvent(event); 8455 8456 /* 8457 * Don't handle the release after a long press, because it will move the selection away from 8458 * whatever the menu action was trying to affect. If the long press should have triggered an 8459 * insertion action mode, we can now actually show it. 8460 */ 8461 if (mEditor != null && mEditor.mDiscardNextActionUp && action == MotionEvent.ACTION_UP) { 8462 mEditor.mDiscardNextActionUp = false; 8463 8464 if (mEditor.mIsInsertionActionModeStartPending) { 8465 mEditor.startInsertionActionMode(); 8466 mEditor.mIsInsertionActionModeStartPending = false; 8467 } 8468 return superResult; 8469 } 8470 8471 final boolean touchIsFinished = (action == MotionEvent.ACTION_UP) && 8472 (mEditor == null || !mEditor.mIgnoreActionUpEvent) && isFocused(); 8473 8474 if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() 8475 && mText instanceof Spannable && mLayout != null) { 8476 boolean handled = false; 8477 8478 if (mMovement != null) { 8479 handled |= mMovement.onTouchEvent(this, (Spannable) mText, event); 8480 } 8481 8482 final boolean textIsSelectable = isTextSelectable(); 8483 if (touchIsFinished && mLinksClickable && mAutoLinkMask != 0 && textIsSelectable) { 8484 // The LinkMovementMethod which should handle taps on links has not been installed 8485 // on non editable text that support text selection. 8486 // We reproduce its behavior here to open links for these. 8487 ClickableSpan[] links = ((Spannable) mText).getSpans(getSelectionStart(), 8488 getSelectionEnd(), ClickableSpan.class); 8489 8490 if (links.length > 0) { 8491 links[0].onClick(this); 8492 handled = true; 8493 } 8494 } 8495 8496 if (touchIsFinished && (isTextEditable() || textIsSelectable)) { 8497 // Show the IME, except when selecting in read-only text. 8498 final InputMethodManager imm = InputMethodManager.peekInstance(); 8499 viewClicked(imm); 8500 if (!textIsSelectable && mEditor.mShowSoftInputOnFocus) { 8501 handled |= imm != null && imm.showSoftInput(this, 0); 8502 } 8503 8504 // The above condition ensures that the mEditor is not null 8505 mEditor.onTouchUpEvent(event); 8506 8507 handled = true; 8508 } 8509 8510 if (handled) { 8511 return true; 8512 } 8513 } 8514 8515 return superResult; 8516 } 8517 8518 @Override 8519 public boolean onGenericMotionEvent(MotionEvent event) { 8520 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 8521 try { 8522 if (mMovement.onGenericMotionEvent(this, (Spannable) mText, event)) { 8523 return true; 8524 } 8525 } catch (AbstractMethodError ex) { 8526 // onGenericMotionEvent was added to the MovementMethod interface in API 12. 8527 // Ignore its absence in case third party applications implemented the 8528 // interface directly. 8529 } 8530 } 8531 return super.onGenericMotionEvent(event); 8532 } 8533 8534 @Override 8535 protected void onCreateContextMenu(ContextMenu menu) { 8536 if (mEditor != null) { 8537 mEditor.onCreateContextMenu(menu); 8538 } 8539 } 8540 8541 @Override 8542 public boolean showContextMenu() { 8543 if (mEditor != null) { 8544 mEditor.setContextMenuAnchor(Float.NaN, Float.NaN); 8545 } 8546 return super.showContextMenu(); 8547 } 8548 8549 @Override 8550 public boolean showContextMenu(float x, float y) { 8551 if (mEditor != null) { 8552 mEditor.setContextMenuAnchor(x, y); 8553 } 8554 return super.showContextMenu(x, y); 8555 } 8556 8557 /** 8558 * @return True iff this TextView contains a text that can be edited, or if this is 8559 * a selectable TextView. 8560 */ 8561 boolean isTextEditable() { 8562 return mText instanceof Editable && onCheckIsTextEditor() && isEnabled(); 8563 } 8564 8565 /** 8566 * Returns true, only while processing a touch gesture, if the initial 8567 * touch down event caused focus to move to the text view and as a result 8568 * its selection changed. Only valid while processing the touch gesture 8569 * of interest, in an editable text view. 8570 */ 8571 public boolean didTouchFocusSelect() { 8572 return mEditor != null && mEditor.mTouchFocusSelected; 8573 } 8574 8575 @Override 8576 public void cancelLongPress() { 8577 super.cancelLongPress(); 8578 if (mEditor != null) mEditor.mIgnoreActionUpEvent = true; 8579 } 8580 8581 @Override 8582 public boolean onTrackballEvent(MotionEvent event) { 8583 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 8584 if (mMovement.onTrackballEvent(this, (Spannable) mText, event)) { 8585 return true; 8586 } 8587 } 8588 8589 return super.onTrackballEvent(event); 8590 } 8591 8592 public void setScroller(Scroller s) { 8593 mScroller = s; 8594 } 8595 8596 @Override 8597 protected float getLeftFadingEdgeStrength() { 8598 if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) { 8599 final Marquee marquee = mMarquee; 8600 if (marquee.shouldDrawLeftFade()) { 8601 return getHorizontalFadingEdgeStrength(marquee.getScroll(), 0.0f); 8602 } else { 8603 return 0.0f; 8604 } 8605 } else if (getLineCount() == 1) { 8606 final float lineLeft = getLayout().getLineLeft(0); 8607 if(lineLeft > mScrollX) return 0.0f; 8608 return getHorizontalFadingEdgeStrength(mScrollX, lineLeft); 8609 } 8610 return super.getLeftFadingEdgeStrength(); 8611 } 8612 8613 @Override 8614 protected float getRightFadingEdgeStrength() { 8615 if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) { 8616 final Marquee marquee = mMarquee; 8617 return getHorizontalFadingEdgeStrength(marquee.getMaxFadeScroll(), marquee.getScroll()); 8618 } else if (getLineCount() == 1) { 8619 final float rightEdge = mScrollX + (getWidth() - getCompoundPaddingLeft() - 8620 getCompoundPaddingRight()); 8621 final float lineRight = getLayout().getLineRight(0); 8622 if(lineRight < rightEdge) return 0.0f; 8623 return getHorizontalFadingEdgeStrength(rightEdge, lineRight); 8624 } 8625 return super.getRightFadingEdgeStrength(); 8626 } 8627 8628 /** 8629 * Calculates the fading edge strength as the ratio of the distance between two 8630 * horizontal positions to {@link View#getHorizontalFadingEdgeLength()}. Uses the absolute 8631 * value for the distance calculation. 8632 * 8633 * @param position1 A horizontal position. 8634 * @param position2 A horizontal position. 8635 * @return Fading edge strength between [0.0f, 1.0f]. 8636 */ 8637 @FloatRange(from=0.0, to=1.0) 8638 private final float getHorizontalFadingEdgeStrength(float position1, float position2) { 8639 final int horizontalFadingEdgeLength = getHorizontalFadingEdgeLength(); 8640 if(horizontalFadingEdgeLength == 0) return 0.0f; 8641 final float diff = Math.abs(position1 - position2); 8642 if(diff > horizontalFadingEdgeLength) return 1.0f; 8643 return diff / horizontalFadingEdgeLength; 8644 } 8645 8646 private final boolean isMarqueeFadeEnabled() { 8647 return mEllipsize == TextUtils.TruncateAt.MARQUEE && 8648 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 8649 } 8650 8651 @Override 8652 protected int computeHorizontalScrollRange() { 8653 if (mLayout != null) { 8654 return mSingleLine && (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.LEFT ? 8655 (int) mLayout.getLineWidth(0) : mLayout.getWidth(); 8656 } 8657 8658 return super.computeHorizontalScrollRange(); 8659 } 8660 8661 @Override 8662 protected int computeVerticalScrollRange() { 8663 if (mLayout != null) 8664 return mLayout.getHeight(); 8665 8666 return super.computeVerticalScrollRange(); 8667 } 8668 8669 @Override 8670 protected int computeVerticalScrollExtent() { 8671 return getHeight() - getCompoundPaddingTop() - getCompoundPaddingBottom(); 8672 } 8673 8674 @Override 8675 public void findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags) { 8676 super.findViewsWithText(outViews, searched, flags); 8677 if (!outViews.contains(this) && (flags & FIND_VIEWS_WITH_TEXT) != 0 8678 && !TextUtils.isEmpty(searched) && !TextUtils.isEmpty(mText)) { 8679 String searchedLowerCase = searched.toString().toLowerCase(); 8680 String textLowerCase = mText.toString().toLowerCase(); 8681 if (textLowerCase.contains(searchedLowerCase)) { 8682 outViews.add(this); 8683 } 8684 } 8685 } 8686 8687 public enum BufferType { 8688 NORMAL, SPANNABLE, EDITABLE, 8689 } 8690 8691 /** 8692 * Returns the TextView_textColor attribute from the TypedArray, if set, or 8693 * the TextAppearance_textColor from the TextView_textAppearance attribute, 8694 * if TextView_textColor was not set directly. 8695 * 8696 * @removed 8697 */ 8698 public static ColorStateList getTextColors(Context context, TypedArray attrs) { 8699 if (attrs == null) { 8700 // Preserve behavior prior to removal of this API. 8701 throw new NullPointerException(); 8702 } 8703 8704 // It's not safe to use this method from apps. The parameter 'attrs' 8705 // must have been obtained using the TextView filter array which is not 8706 // available to the SDK. As such, we grab a default TypedArray with the 8707 // right filter instead here. 8708 final TypedArray a = context.obtainStyledAttributes(R.styleable.TextView); 8709 ColorStateList colors = a.getColorStateList(R.styleable.TextView_textColor); 8710 if (colors == null) { 8711 final int ap = a.getResourceId(R.styleable.TextView_textAppearance, 0); 8712 if (ap != 0) { 8713 final TypedArray appearance = context.obtainStyledAttributes( 8714 ap, R.styleable.TextAppearance); 8715 colors = appearance.getColorStateList(R.styleable.TextAppearance_textColor); 8716 appearance.recycle(); 8717 } 8718 } 8719 a.recycle(); 8720 8721 return colors; 8722 } 8723 8724 /** 8725 * Returns the default color from the TextView_textColor attribute from the 8726 * AttributeSet, if set, or the default color from the 8727 * TextAppearance_textColor from the TextView_textAppearance attribute, if 8728 * TextView_textColor was not set directly. 8729 * 8730 * @removed 8731 */ 8732 public static int getTextColor(Context context, TypedArray attrs, int def) { 8733 final ColorStateList colors = getTextColors(context, attrs); 8734 if (colors == null) { 8735 return def; 8736 } else { 8737 return colors.getDefaultColor(); 8738 } 8739 } 8740 8741 @Override 8742 public boolean onKeyShortcut(int keyCode, KeyEvent event) { 8743 if (event.hasModifiers(KeyEvent.META_CTRL_ON)) { 8744 // Handle Ctrl-only shortcuts. 8745 switch (keyCode) { 8746 case KeyEvent.KEYCODE_A: 8747 if (canSelectText()) { 8748 return onTextContextMenuItem(ID_SELECT_ALL); 8749 } 8750 break; 8751 case KeyEvent.KEYCODE_Z: 8752 if (canUndo()) { 8753 return onTextContextMenuItem(ID_UNDO); 8754 } 8755 break; 8756 case KeyEvent.KEYCODE_X: 8757 if (canCut()) { 8758 return onTextContextMenuItem(ID_CUT); 8759 } 8760 break; 8761 case KeyEvent.KEYCODE_C: 8762 if (canCopy()) { 8763 return onTextContextMenuItem(ID_COPY); 8764 } 8765 break; 8766 case KeyEvent.KEYCODE_V: 8767 if (canPaste()) { 8768 return onTextContextMenuItem(ID_PASTE); 8769 } 8770 break; 8771 } 8772 } else if (event.hasModifiers(KeyEvent.META_CTRL_ON | KeyEvent.META_SHIFT_ON)) { 8773 // Handle Ctrl-Shift shortcuts. 8774 switch (keyCode) { 8775 case KeyEvent.KEYCODE_Z: 8776 if (canRedo()) { 8777 return onTextContextMenuItem(ID_REDO); 8778 } 8779 break; 8780 case KeyEvent.KEYCODE_V: 8781 if (canPaste()) { 8782 return onTextContextMenuItem(ID_PASTE_AS_PLAIN_TEXT); 8783 } 8784 } 8785 } 8786 return super.onKeyShortcut(keyCode, event); 8787 } 8788 8789 /** 8790 * Unlike {@link #textCanBeSelected()}, this method is based on the <i>current</i> state of the 8791 * TextView. {@link #textCanBeSelected()} has to be true (this is one of the conditions to have 8792 * a selection controller (see {@link Editor#prepareCursorControllers()}), but this is not 8793 * sufficient. 8794 */ 8795 boolean canSelectText() { 8796 return mText.length() != 0 && mEditor != null && mEditor.hasSelectionController(); 8797 } 8798 8799 /** 8800 * Test based on the <i>intrinsic</i> charateristics of the TextView. 8801 * The text must be spannable and the movement method must allow for arbitary selection. 8802 * 8803 * See also {@link #canSelectText()}. 8804 */ 8805 boolean textCanBeSelected() { 8806 // prepareCursorController() relies on this method. 8807 // If you change this condition, make sure prepareCursorController is called anywhere 8808 // the value of this condition might be changed. 8809 if (mMovement == null || !mMovement.canSelectArbitrarily()) return false; 8810 return isTextEditable() || 8811 (isTextSelectable() && mText instanceof Spannable && isEnabled()); 8812 } 8813 8814 private Locale getTextServicesLocale(boolean allowNullLocale) { 8815 // Start fetching the text services locale asynchronously. 8816 updateTextServicesLocaleAsync(); 8817 // If !allowNullLocale and there is no cached text services locale, just return the default 8818 // locale. 8819 return (mCurrentSpellCheckerLocaleCache == null && !allowNullLocale) ? Locale.getDefault() 8820 : mCurrentSpellCheckerLocaleCache; 8821 } 8822 8823 /** 8824 * This is a temporary method. Future versions may support multi-locale text. 8825 * Caveat: This method may not return the latest text services locale, but this should be 8826 * acceptable and it's more important to make this method asynchronous. 8827 * 8828 * @return The locale that should be used for a word iterator 8829 * in this TextView, based on the current spell checker settings, 8830 * the current IME's locale, or the system default locale. 8831 * Please note that a word iterator in this TextView is different from another word iterator 8832 * used by SpellChecker.java of TextView. This method should be used for the former. 8833 * @hide 8834 */ 8835 // TODO: Support multi-locale 8836 // TODO: Update the text services locale immediately after the keyboard locale is switched 8837 // by catching intent of keyboard switch event 8838 public Locale getTextServicesLocale() { 8839 return getTextServicesLocale(false /* allowNullLocale */); 8840 } 8841 8842 /** 8843 * @return true if this TextView is specialized for showing and interacting with the extracted 8844 * text in a full-screen input method. 8845 * @hide 8846 */ 8847 public boolean isInExtractedMode() { 8848 return false; 8849 } 8850 8851 /** 8852 * This is a temporary method. Future versions may support multi-locale text. 8853 * Caveat: This method may not return the latest spell checker locale, but this should be 8854 * acceptable and it's more important to make this method asynchronous. 8855 * 8856 * @return The locale that should be used for a spell checker in this TextView, 8857 * based on the current spell checker settings, the current IME's locale, or the system default 8858 * locale. 8859 * @hide 8860 */ 8861 public Locale getSpellCheckerLocale() { 8862 return getTextServicesLocale(true /* allowNullLocale */); 8863 } 8864 8865 private void updateTextServicesLocaleAsync() { 8866 // AsyncTask.execute() uses a serial executor which means we don't have 8867 // to lock around updateTextServicesLocaleLocked() to prevent it from 8868 // being executed n times in parallel. 8869 AsyncTask.execute(new Runnable() { 8870 @Override 8871 public void run() { 8872 updateTextServicesLocaleLocked(); 8873 } 8874 }); 8875 } 8876 8877 private void updateTextServicesLocaleLocked() { 8878 final TextServicesManager textServicesManager = (TextServicesManager) 8879 mContext.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE); 8880 final SpellCheckerSubtype subtype = textServicesManager.getCurrentSpellCheckerSubtype(true); 8881 final Locale locale; 8882 if (subtype != null) { 8883 locale = subtype.getLocaleObject(); 8884 } else { 8885 locale = null; 8886 } 8887 mCurrentSpellCheckerLocaleCache = locale; 8888 } 8889 8890 void onLocaleChanged() { 8891 mEditor.onLocaleChanged(); 8892 } 8893 8894 /** 8895 * This method is used by the ArrowKeyMovementMethod to jump from one word to the other. 8896 * Made available to achieve a consistent behavior. 8897 * @hide 8898 */ 8899 public WordIterator getWordIterator() { 8900 if (mEditor != null) { 8901 return mEditor.getWordIterator(); 8902 } else { 8903 return null; 8904 } 8905 } 8906 8907 /** @hide */ 8908 @Override 8909 public void onPopulateAccessibilityEventInternal(AccessibilityEvent event) { 8910 super.onPopulateAccessibilityEventInternal(event); 8911 8912 final CharSequence text = getTextForAccessibility(); 8913 if (!TextUtils.isEmpty(text)) { 8914 event.getText().add(text); 8915 } 8916 } 8917 8918 /** 8919 * @return true if the user has explicitly allowed accessibility services 8920 * to speak passwords. 8921 */ 8922 private boolean shouldSpeakPasswordsForAccessibility() { 8923 return (Settings.Secure.getIntForUser(mContext.getContentResolver(), 8924 Settings.Secure.ACCESSIBILITY_SPEAK_PASSWORD, 0, 8925 UserHandle.USER_CURRENT_OR_SELF) == 1); 8926 } 8927 8928 @Override 8929 public CharSequence getAccessibilityClassName() { 8930 return TextView.class.getName(); 8931 } 8932 8933 @Override 8934 public void onProvideStructure(ViewStructure structure) { 8935 super.onProvideStructure(structure); 8936 final boolean isPassword = hasPasswordTransformationMethod() 8937 || isPasswordInputType(getInputType()); 8938 if (!isPassword) { 8939 if (mLayout == null) { 8940 assumeLayout(); 8941 } 8942 Layout layout = mLayout; 8943 final int lineCount = layout.getLineCount(); 8944 if (lineCount <= 1) { 8945 // Simple case: this is a single line. 8946 structure.setText(getText(), getSelectionStart(), getSelectionEnd()); 8947 } else { 8948 // Complex case: multi-line, could be scrolled or within a scroll container 8949 // so some lines are not visible. 8950 final int[] tmpCords = new int[2]; 8951 getLocationInWindow(tmpCords); 8952 final int topWindowLocation = tmpCords[1]; 8953 View root = this; 8954 ViewParent viewParent = getParent(); 8955 while (viewParent instanceof View) { 8956 root = (View) viewParent; 8957 viewParent = root.getParent(); 8958 } 8959 final int windowHeight = root.getHeight(); 8960 final int topLine; 8961 final int bottomLine; 8962 if (topWindowLocation >= 0) { 8963 // The top of the view is fully within its window; start text at line 0. 8964 topLine = getLineAtCoordinateUnclamped(0); 8965 bottomLine = getLineAtCoordinateUnclamped(windowHeight-1); 8966 } else { 8967 // The top of hte window has scrolled off the top of the window; figure out 8968 // the starting line for this. 8969 topLine = getLineAtCoordinateUnclamped(-topWindowLocation); 8970 bottomLine = getLineAtCoordinateUnclamped(windowHeight-1-topWindowLocation); 8971 } 8972 // We want to return some contextual lines above/below the lines that are 8973 // actually visible. 8974 int expandedTopLine = topLine - (bottomLine-topLine)/2; 8975 if (expandedTopLine < 0) { 8976 expandedTopLine = 0; 8977 } 8978 int expandedBottomLine = bottomLine + (bottomLine-topLine)/2; 8979 if (expandedBottomLine >= lineCount) { 8980 expandedBottomLine = lineCount-1; 8981 } 8982 // Convert lines into character offsets. 8983 int expandedTopChar = layout.getLineStart(expandedTopLine); 8984 int expandedBottomChar = layout.getLineEnd(expandedBottomLine); 8985 // Take into account selection -- if there is a selection, we need to expand 8986 // the text we are returning to include that selection. 8987 final int selStart = getSelectionStart(); 8988 final int selEnd = getSelectionEnd(); 8989 if (selStart < selEnd) { 8990 if (selStart < expandedTopChar) { 8991 expandedTopChar = selStart; 8992 } 8993 if (selEnd > expandedBottomChar) { 8994 expandedBottomChar = selEnd; 8995 } 8996 } 8997 // Get the text and trim it to the range we are reporting. 8998 CharSequence text = getText(); 8999 if (expandedTopChar > 0 || expandedBottomChar < text.length()) { 9000 text = text.subSequence(expandedTopChar, expandedBottomChar); 9001 } 9002 structure.setText(text, selStart-expandedTopChar, selEnd-expandedTopChar); 9003 final int[] lineOffsets = new int[bottomLine-topLine+1]; 9004 final int[] lineBaselines = new int[bottomLine-topLine+1]; 9005 final int baselineOffset = getBaselineOffset(); 9006 for (int i=topLine; i<=bottomLine; i++) { 9007 lineOffsets[i-topLine] = layout.getLineStart(i); 9008 lineBaselines[i-topLine] = layout.getLineBaseline(i) + baselineOffset; 9009 } 9010 structure.setTextLines(lineOffsets, lineBaselines); 9011 } 9012 9013 // Extract style information that applies to the TextView as a whole. 9014 int style = 0; 9015 int typefaceStyle = getTypefaceStyle(); 9016 if ((typefaceStyle & Typeface.BOLD) != 0) { 9017 style |= AssistStructure.ViewNode.TEXT_STYLE_BOLD; 9018 } 9019 if ((typefaceStyle & Typeface.ITALIC) != 0) { 9020 style |= AssistStructure.ViewNode.TEXT_STYLE_ITALIC; 9021 } 9022 9023 // Global styles can also be set via TextView.setPaintFlags(). 9024 int paintFlags = mTextPaint.getFlags(); 9025 if ((paintFlags & Paint.FAKE_BOLD_TEXT_FLAG) != 0) { 9026 style |= AssistStructure.ViewNode.TEXT_STYLE_BOLD; 9027 } 9028 if ((paintFlags & Paint.UNDERLINE_TEXT_FLAG) != 0) { 9029 style |= AssistStructure.ViewNode.TEXT_STYLE_UNDERLINE; 9030 } 9031 if ((paintFlags & Paint.STRIKE_THRU_TEXT_FLAG) != 0) { 9032 style |= AssistStructure.ViewNode.TEXT_STYLE_STRIKE_THRU; 9033 } 9034 9035 // TextView does not have its own text background color. A background is either part 9036 // of the View (and can be any drawable) or a BackgroundColorSpan inside the text. 9037 structure.setTextStyle(getTextSize(), getCurrentTextColor(), 9038 AssistStructure.ViewNode.TEXT_COLOR_UNDEFINED /* bgColor */, style); 9039 } 9040 structure.setHint(getHint()); 9041 } 9042 9043 /** @hide */ 9044 @Override 9045 public void onInitializeAccessibilityEventInternal(AccessibilityEvent event) { 9046 super.onInitializeAccessibilityEventInternal(event); 9047 9048 final boolean isPassword = hasPasswordTransformationMethod(); 9049 event.setPassword(isPassword); 9050 9051 if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED) { 9052 event.setFromIndex(Selection.getSelectionStart(mText)); 9053 event.setToIndex(Selection.getSelectionEnd(mText)); 9054 event.setItemCount(mText.length()); 9055 } 9056 } 9057 9058 /** @hide */ 9059 @Override 9060 public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) { 9061 super.onInitializeAccessibilityNodeInfoInternal(info); 9062 9063 final boolean isPassword = hasPasswordTransformationMethod(); 9064 info.setPassword(isPassword); 9065 info.setText(getTextForAccessibility()); 9066 9067 if (mBufferType == BufferType.EDITABLE) { 9068 info.setEditable(true); 9069 if (isEnabled()) { 9070 info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SET_TEXT); 9071 } 9072 } 9073 9074 if (mEditor != null) { 9075 info.setInputType(mEditor.mInputType); 9076 9077 if (mEditor.mError != null) { 9078 info.setContentInvalid(true); 9079 info.setError(mEditor.mError); 9080 } 9081 } 9082 9083 if (!TextUtils.isEmpty(mText)) { 9084 info.addAction(AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY); 9085 info.addAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY); 9086 info.setMovementGranularities(AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER 9087 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD 9088 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE 9089 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PARAGRAPH 9090 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE); 9091 info.addAction(AccessibilityNodeInfo.ACTION_SET_SELECTION); 9092 } 9093 9094 if (isFocused()) { 9095 if (canCopy()) { 9096 info.addAction(AccessibilityNodeInfo.ACTION_COPY); 9097 } 9098 if (canPaste()) { 9099 info.addAction(AccessibilityNodeInfo.ACTION_PASTE); 9100 } 9101 if (canCut()) { 9102 info.addAction(AccessibilityNodeInfo.ACTION_CUT); 9103 } 9104 if (canShare()) { 9105 info.addAction(new AccessibilityNodeInfo.AccessibilityAction( 9106 ACCESSIBILITY_ACTION_SHARE, 9107 getResources().getString(com.android.internal.R.string.share))); 9108 } 9109 if (canProcessText()) { // also implies mEditor is not null. 9110 mEditor.mProcessTextIntentActionsHandler.onInitializeAccessibilityNodeInfo(info); 9111 } 9112 } 9113 9114 // Check for known input filter types. 9115 final int numFilters = mFilters.length; 9116 for (int i = 0; i < numFilters; i++) { 9117 final InputFilter filter = mFilters[i]; 9118 if (filter instanceof InputFilter.LengthFilter) { 9119 info.setMaxTextLength(((InputFilter.LengthFilter) filter).getMax()); 9120 } 9121 } 9122 9123 if (!isSingleLine()) { 9124 info.setMultiLine(true); 9125 } 9126 } 9127 9128 /** 9129 * Performs an accessibility action after it has been offered to the 9130 * delegate. 9131 * 9132 * @hide 9133 */ 9134 @Override 9135 public boolean performAccessibilityActionInternal(int action, Bundle arguments) { 9136 if (mEditor != null 9137 && mEditor.mProcessTextIntentActionsHandler.performAccessibilityAction(action)) { 9138 return true; 9139 } 9140 switch (action) { 9141 case AccessibilityNodeInfo.ACTION_CLICK: { 9142 return performAccessibilityActionClick(arguments); 9143 } 9144 case AccessibilityNodeInfo.ACTION_COPY: { 9145 if (isFocused() && canCopy()) { 9146 if (onTextContextMenuItem(ID_COPY)) { 9147 return true; 9148 } 9149 } 9150 } return false; 9151 case AccessibilityNodeInfo.ACTION_PASTE: { 9152 if (isFocused() && canPaste()) { 9153 if (onTextContextMenuItem(ID_PASTE)) { 9154 return true; 9155 } 9156 } 9157 } return false; 9158 case AccessibilityNodeInfo.ACTION_CUT: { 9159 if (isFocused() && canCut()) { 9160 if (onTextContextMenuItem(ID_CUT)) { 9161 return true; 9162 } 9163 } 9164 } return false; 9165 case AccessibilityNodeInfo.ACTION_SET_SELECTION: { 9166 ensureIterableTextForAccessibilitySelectable(); 9167 CharSequence text = getIterableTextForAccessibility(); 9168 if (text == null) { 9169 return false; 9170 } 9171 final int start = (arguments != null) ? arguments.getInt( 9172 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_START_INT, -1) : -1; 9173 final int end = (arguments != null) ? arguments.getInt( 9174 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_END_INT, -1) : -1; 9175 if ((getSelectionStart() != start || getSelectionEnd() != end)) { 9176 // No arguments clears the selection. 9177 if (start == end && end == -1) { 9178 Selection.removeSelection((Spannable) text); 9179 return true; 9180 } 9181 if (start >= 0 && start <= end && end <= text.length()) { 9182 Selection.setSelection((Spannable) text, start, end); 9183 // Make sure selection mode is engaged. 9184 if (mEditor != null) { 9185 mEditor.startSelectionActionMode(); 9186 } 9187 return true; 9188 } 9189 } 9190 } return false; 9191 case AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY: 9192 case AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY: { 9193 ensureIterableTextForAccessibilitySelectable(); 9194 return super.performAccessibilityActionInternal(action, arguments); 9195 } 9196 case ACCESSIBILITY_ACTION_SHARE: { 9197 if (isFocused() && canShare()) { 9198 if (onTextContextMenuItem(ID_SHARE)) { 9199 return true; 9200 } 9201 } 9202 } return false; 9203 case AccessibilityNodeInfo.ACTION_SET_TEXT: { 9204 if (!isEnabled() || (mBufferType != BufferType.EDITABLE)) { 9205 return false; 9206 } 9207 CharSequence text = (arguments != null) ? arguments.getCharSequence( 9208 AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE) : null; 9209 setText(text); 9210 if (mText != null) { 9211 int updatedTextLength = mText.length(); 9212 if (updatedTextLength > 0) { 9213 Selection.setSelection((Spannable) mText, updatedTextLength); 9214 } 9215 } 9216 } return true; 9217 default: { 9218 return super.performAccessibilityActionInternal(action, arguments); 9219 } 9220 } 9221 } 9222 9223 private boolean performAccessibilityActionClick(Bundle arguments) { 9224 boolean handled = false; 9225 9226 if (!isEnabled()) { 9227 return false; 9228 } 9229 9230 if (isClickable() || isLongClickable()) { 9231 // Simulate View.onTouchEvent for an ACTION_UP event 9232 if (isFocusable() && !isFocused()) { 9233 requestFocus(); 9234 } 9235 9236 performClick(); 9237 handled = true; 9238 } 9239 9240 // Show the IME, except when selecting in read-only text. 9241 if ((mMovement != null || onCheckIsTextEditor()) && hasSpannableText() && mLayout != null 9242 && (isTextEditable() || isTextSelectable()) && isFocused()) { 9243 final InputMethodManager imm = InputMethodManager.peekInstance(); 9244 viewClicked(imm); 9245 if (!isTextSelectable() && mEditor.mShowSoftInputOnFocus && imm != null) { 9246 handled |= imm.showSoftInput(this, 0); 9247 } 9248 } 9249 9250 return handled; 9251 } 9252 9253 private boolean hasSpannableText() { 9254 return mText != null && mText instanceof Spannable; 9255 } 9256 9257 /** @hide */ 9258 @Override 9259 public void sendAccessibilityEventInternal(int eventType) { 9260 if (eventType == AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED && mEditor != null) { 9261 mEditor.mProcessTextIntentActionsHandler.initializeAccessibilityActions(); 9262 } 9263 9264 // Do not send scroll events since first they are not interesting for 9265 // accessibility and second such events a generated too frequently. 9266 // For details see the implementation of bringTextIntoView(). 9267 if (eventType == AccessibilityEvent.TYPE_VIEW_SCROLLED) { 9268 return; 9269 } 9270 super.sendAccessibilityEventInternal(eventType); 9271 } 9272 9273 /** 9274 * Returns the text that should be exposed to accessibility services. 9275 * <p> 9276 * This approximates what is displayed visually. If the user has specified 9277 * that accessibility services should speak passwords, this method will 9278 * bypass any password transformation method and return unobscured text. 9279 * 9280 * @return the text that should be exposed to accessibility services, may 9281 * be {@code null} if no text is set 9282 */ 9283 @Nullable 9284 private CharSequence getTextForAccessibility() { 9285 // If the text is empty, we must be showing the hint text. 9286 if (TextUtils.isEmpty(mText)) { 9287 return mHint; 9288 } 9289 9290 // Check whether we need to bypass the transformation 9291 // method and expose unobscured text. 9292 if (hasPasswordTransformationMethod() && shouldSpeakPasswordsForAccessibility()) { 9293 return mText; 9294 } 9295 9296 // Otherwise, speak whatever text is being displayed. 9297 return mTransformed; 9298 } 9299 9300 void sendAccessibilityEventTypeViewTextChanged(CharSequence beforeText, 9301 int fromIndex, int removedCount, int addedCount) { 9302 AccessibilityEvent event = 9303 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED); 9304 event.setFromIndex(fromIndex); 9305 event.setRemovedCount(removedCount); 9306 event.setAddedCount(addedCount); 9307 event.setBeforeText(beforeText); 9308 sendAccessibilityEventUnchecked(event); 9309 } 9310 9311 /** 9312 * Returns whether this text view is a current input method target. The 9313 * default implementation just checks with {@link InputMethodManager}. 9314 */ 9315 public boolean isInputMethodTarget() { 9316 InputMethodManager imm = InputMethodManager.peekInstance(); 9317 return imm != null && imm.isActive(this); 9318 } 9319 9320 static final int ID_SELECT_ALL = android.R.id.selectAll; 9321 static final int ID_UNDO = android.R.id.undo; 9322 static final int ID_REDO = android.R.id.redo; 9323 static final int ID_CUT = android.R.id.cut; 9324 static final int ID_COPY = android.R.id.copy; 9325 static final int ID_PASTE = android.R.id.paste; 9326 static final int ID_SHARE = android.R.id.shareText; 9327 static final int ID_PASTE_AS_PLAIN_TEXT = android.R.id.pasteAsPlainText; 9328 static final int ID_REPLACE = android.R.id.replaceText; 9329 9330 /** 9331 * Called when a context menu option for the text view is selected. Currently 9332 * this will be one of {@link android.R.id#selectAll}, {@link android.R.id#cut}, 9333 * {@link android.R.id#copy}, {@link android.R.id#paste} or {@link android.R.id#shareText}. 9334 * 9335 * @return true if the context menu item action was performed. 9336 */ 9337 public boolean onTextContextMenuItem(int id) { 9338 int min = 0; 9339 int max = mText.length(); 9340 9341 if (isFocused()) { 9342 final int selStart = getSelectionStart(); 9343 final int selEnd = getSelectionEnd(); 9344 9345 min = Math.max(0, Math.min(selStart, selEnd)); 9346 max = Math.max(0, Math.max(selStart, selEnd)); 9347 } 9348 9349 switch (id) { 9350 case ID_SELECT_ALL: 9351 selectAllText(); 9352 return true; 9353 9354 case ID_UNDO: 9355 if (mEditor != null) { 9356 mEditor.undo(); 9357 } 9358 return true; // Returns true even if nothing was undone. 9359 9360 case ID_REDO: 9361 if (mEditor != null) { 9362 mEditor.redo(); 9363 } 9364 return true; // Returns true even if nothing was undone. 9365 9366 case ID_PASTE: 9367 paste(min, max, true /* withFormatting */); 9368 return true; 9369 9370 case ID_PASTE_AS_PLAIN_TEXT: 9371 paste(min, max, false /* withFormatting */); 9372 return true; 9373 9374 case ID_CUT: 9375 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 9376 deleteText_internal(min, max); 9377 return true; 9378 9379 case ID_COPY: 9380 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 9381 stopTextActionMode(); 9382 return true; 9383 9384 case ID_REPLACE: 9385 if (mEditor != null) { 9386 mEditor.replace(); 9387 } 9388 return true; 9389 9390 case ID_SHARE: 9391 shareSelectedText(); 9392 return true; 9393 } 9394 return false; 9395 } 9396 9397 CharSequence getTransformedText(int start, int end) { 9398 return removeSuggestionSpans(mTransformed.subSequence(start, end)); 9399 } 9400 9401 @Override 9402 public boolean performLongClick() { 9403 boolean handled = false; 9404 9405 if (mEditor != null) { 9406 mEditor.mIsBeingLongClicked = true; 9407 } 9408 9409 if (super.performLongClick()) { 9410 handled = true; 9411 } 9412 9413 if (mEditor != null) { 9414 handled |= mEditor.performLongClick(handled); 9415 mEditor.mIsBeingLongClicked = false; 9416 } 9417 9418 if (handled) { 9419 performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 9420 if (mEditor != null) mEditor.mDiscardNextActionUp = true; 9421 } 9422 9423 return handled; 9424 } 9425 9426 @Override 9427 protected void onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert) { 9428 super.onScrollChanged(horiz, vert, oldHoriz, oldVert); 9429 if (mEditor != null) { 9430 mEditor.onScrollChanged(); 9431 } 9432 } 9433 9434 /** 9435 * Return whether or not suggestions are enabled on this TextView. The suggestions are generated 9436 * by the IME or by the spell checker as the user types. This is done by adding 9437 * {@link SuggestionSpan}s to the text. 9438 * 9439 * When suggestions are enabled (default), this list of suggestions will be displayed when the 9440 * user asks for them on these parts of the text. This value depends on the inputType of this 9441 * TextView. 9442 * 9443 * The class of the input type must be {@link InputType#TYPE_CLASS_TEXT}. 9444 * 9445 * In addition, the type variation must be one of 9446 * {@link InputType#TYPE_TEXT_VARIATION_NORMAL}, 9447 * {@link InputType#TYPE_TEXT_VARIATION_EMAIL_SUBJECT}, 9448 * {@link InputType#TYPE_TEXT_VARIATION_LONG_MESSAGE}, 9449 * {@link InputType#TYPE_TEXT_VARIATION_SHORT_MESSAGE} or 9450 * {@link InputType#TYPE_TEXT_VARIATION_WEB_EDIT_TEXT}. 9451 * 9452 * And finally, the {@link InputType#TYPE_TEXT_FLAG_NO_SUGGESTIONS} flag must <i>not</i> be set. 9453 * 9454 * @return true if the suggestions popup window is enabled, based on the inputType. 9455 */ 9456 public boolean isSuggestionsEnabled() { 9457 if (mEditor == null) return false; 9458 if ((mEditor.mInputType & InputType.TYPE_MASK_CLASS) != InputType.TYPE_CLASS_TEXT) { 9459 return false; 9460 } 9461 if ((mEditor.mInputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) > 0) return false; 9462 9463 final int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 9464 return (variation == EditorInfo.TYPE_TEXT_VARIATION_NORMAL || 9465 variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT || 9466 variation == EditorInfo.TYPE_TEXT_VARIATION_LONG_MESSAGE || 9467 variation == EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE || 9468 variation == EditorInfo.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT); 9469 } 9470 9471 /** 9472 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 9473 * selection is initiated in this View. 9474 * 9475 * <p>The standard implementation populates the menu with a subset of Select All, Cut, Copy, 9476 * Paste, Replace and Share actions, depending on what this View supports. 9477 * 9478 * <p>A custom implementation can add new entries in the default menu in its 9479 * {@link android.view.ActionMode.Callback#onPrepareActionMode(ActionMode, android.view.Menu)} 9480 * method. The default actions can also be removed from the menu using 9481 * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll}, 9482 * {@link android.R.id#cut}, {@link android.R.id#copy}, {@link android.R.id#paste}, 9483 * {@link android.R.id#replaceText} or {@link android.R.id#shareText} ids as parameters. 9484 * 9485 * <p>Returning false from 9486 * {@link android.view.ActionMode.Callback#onCreateActionMode(ActionMode, android.view.Menu)} 9487 * will prevent the action mode from being started. 9488 * 9489 * <p>Action click events should be handled by the custom implementation of 9490 * {@link android.view.ActionMode.Callback#onActionItemClicked(ActionMode, 9491 * android.view.MenuItem)}. 9492 * 9493 * <p>Note that text selection mode is not started when a TextView receives focus and the 9494 * {@link android.R.attr#selectAllOnFocus} flag has been set. The content is highlighted in 9495 * that case, to allow for quick replacement. 9496 */ 9497 public void setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback) { 9498 createEditorIfNeeded(); 9499 mEditor.mCustomSelectionActionModeCallback = actionModeCallback; 9500 } 9501 9502 /** 9503 * Retrieves the value set in {@link #setCustomSelectionActionModeCallback}. Default is null. 9504 * 9505 * @return The current custom selection callback. 9506 */ 9507 public ActionMode.Callback getCustomSelectionActionModeCallback() { 9508 return mEditor == null ? null : mEditor.mCustomSelectionActionModeCallback; 9509 } 9510 9511 /** 9512 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 9513 * insertion is initiated in this View. 9514 * The standard implementation populates the menu with a subset of Select All, 9515 * Paste and Replace actions, depending on what this View supports. 9516 * 9517 * <p>A custom implementation can add new entries in the default menu in its 9518 * {@link android.view.ActionMode.Callback#onPrepareActionMode(android.view.ActionMode, 9519 * android.view.Menu)} method. The default actions can also be removed from the menu using 9520 * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll}, 9521 * {@link android.R.id#paste} or {@link android.R.id#replaceText} ids as parameters.</p> 9522 * 9523 * <p>Returning false from 9524 * {@link android.view.ActionMode.Callback#onCreateActionMode(android.view.ActionMode, 9525 * android.view.Menu)} will prevent the action mode from being started.</p> 9526 * 9527 * <p>Action click events should be handled by the custom implementation of 9528 * {@link android.view.ActionMode.Callback#onActionItemClicked(android.view.ActionMode, 9529 * android.view.MenuItem)}.</p> 9530 * 9531 * <p>Note that text insertion mode is not started when a TextView receives focus and the 9532 * {@link android.R.attr#selectAllOnFocus} flag has been set.</p> 9533 */ 9534 public void setCustomInsertionActionModeCallback(ActionMode.Callback actionModeCallback) { 9535 createEditorIfNeeded(); 9536 mEditor.mCustomInsertionActionModeCallback = actionModeCallback; 9537 } 9538 9539 /** 9540 * Retrieves the value set in {@link #setCustomInsertionActionModeCallback}. Default is null. 9541 * 9542 * @return The current custom insertion callback. 9543 */ 9544 public ActionMode.Callback getCustomInsertionActionModeCallback() { 9545 return mEditor == null ? null : mEditor.mCustomInsertionActionModeCallback; 9546 } 9547 9548 /** 9549 * @hide 9550 */ 9551 protected void stopTextActionMode() { 9552 if (mEditor != null) { 9553 mEditor.stopTextActionMode(); 9554 } 9555 } 9556 9557 boolean canUndo() { 9558 return mEditor != null && mEditor.canUndo(); 9559 } 9560 9561 boolean canRedo() { 9562 return mEditor != null && mEditor.canRedo(); 9563 } 9564 9565 boolean canCut() { 9566 if (hasPasswordTransformationMethod()) { 9567 return false; 9568 } 9569 9570 if (mText.length() > 0 && hasSelection() && mText instanceof Editable && mEditor != null && 9571 mEditor.mKeyListener != null) { 9572 return true; 9573 } 9574 9575 return false; 9576 } 9577 9578 boolean canCopy() { 9579 if (hasPasswordTransformationMethod()) { 9580 return false; 9581 } 9582 9583 if (mText.length() > 0 && hasSelection() && mEditor != null) { 9584 return true; 9585 } 9586 9587 return false; 9588 } 9589 9590 boolean canShare() { 9591 if (!getContext().canStartActivityForResult() || !isDeviceProvisioned()) { 9592 return false; 9593 } 9594 return canCopy(); 9595 } 9596 9597 boolean isDeviceProvisioned() { 9598 if (mDeviceProvisionedState == DEVICE_PROVISIONED_UNKNOWN) { 9599 mDeviceProvisionedState = Settings.Global.getInt( 9600 mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0 9601 ? DEVICE_PROVISIONED_YES 9602 : DEVICE_PROVISIONED_NO; 9603 } 9604 return mDeviceProvisionedState == DEVICE_PROVISIONED_YES; 9605 } 9606 9607 boolean canPaste() { 9608 return (mText instanceof Editable && 9609 mEditor != null && mEditor.mKeyListener != null && 9610 getSelectionStart() >= 0 && 9611 getSelectionEnd() >= 0 && 9612 ((ClipboardManager)getContext().getSystemService(Context.CLIPBOARD_SERVICE)). 9613 hasPrimaryClip()); 9614 } 9615 9616 boolean canProcessText() { 9617 if (getId() == View.NO_ID) { 9618 return false; 9619 } 9620 return canShare(); 9621 } 9622 9623 boolean canSelectAllText() { 9624 return canSelectText() && !hasPasswordTransformationMethod() 9625 && !(getSelectionStart() == 0 && getSelectionEnd() == mText.length()); 9626 } 9627 9628 boolean selectAllText() { 9629 final int length = mText.length(); 9630 Selection.setSelection((Spannable) mText, 0, length); 9631 return length > 0; 9632 } 9633 9634 void replaceSelectionWithText(CharSequence text) { 9635 ((Editable) mText).replace(getSelectionStart(), getSelectionEnd(), text); 9636 } 9637 9638 /** 9639 * Paste clipboard content between min and max positions. 9640 */ 9641 private void paste(int min, int max, boolean withFormatting) { 9642 ClipboardManager clipboard = 9643 (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE); 9644 ClipData clip = clipboard.getPrimaryClip(); 9645 if (clip != null) { 9646 boolean didFirst = false; 9647 for (int i=0; i<clip.getItemCount(); i++) { 9648 final CharSequence paste; 9649 if (withFormatting) { 9650 paste = clip.getItemAt(i).coerceToStyledText(getContext()); 9651 } else { 9652 // Get an item as text and remove all spans by toString(). 9653 final CharSequence text = clip.getItemAt(i).coerceToText(getContext()); 9654 paste = (text instanceof Spanned) ? text.toString() : text; 9655 } 9656 if (paste != null) { 9657 if (!didFirst) { 9658 Selection.setSelection((Spannable) mText, max); 9659 ((Editable) mText).replace(min, max, paste); 9660 didFirst = true; 9661 } else { 9662 ((Editable) mText).insert(getSelectionEnd(), "\n"); 9663 ((Editable) mText).insert(getSelectionEnd(), paste); 9664 } 9665 } 9666 } 9667 sLastCutCopyOrTextChangedTime = 0; 9668 } 9669 } 9670 9671 private void shareSelectedText() { 9672 String selectedText = getSelectedText(); 9673 if (selectedText != null && !selectedText.isEmpty()) { 9674 Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND); 9675 sharingIntent.setType("text/plain"); 9676 sharingIntent.removeExtra(android.content.Intent.EXTRA_TEXT); 9677 sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, selectedText); 9678 getContext().startActivity(Intent.createChooser(sharingIntent, null)); 9679 Selection.setSelection((Spannable) mText, getSelectionEnd()); 9680 } 9681 } 9682 9683 private void setPrimaryClip(ClipData clip) { 9684 ClipboardManager clipboard = (ClipboardManager) getContext(). 9685 getSystemService(Context.CLIPBOARD_SERVICE); 9686 clipboard.setPrimaryClip(clip); 9687 sLastCutCopyOrTextChangedTime = SystemClock.uptimeMillis(); 9688 } 9689 9690 /** 9691 * Get the character offset closest to the specified absolute position. A typical use case is to 9692 * pass the result of {@link MotionEvent#getX()} and {@link MotionEvent#getY()} to this method. 9693 * 9694 * @param x The horizontal absolute position of a point on screen 9695 * @param y The vertical absolute position of a point on screen 9696 * @return the character offset for the character whose position is closest to the specified 9697 * position. Returns -1 if there is no layout. 9698 */ 9699 public int getOffsetForPosition(float x, float y) { 9700 if (getLayout() == null) return -1; 9701 final int line = getLineAtCoordinate(y); 9702 final int offset = getOffsetAtCoordinate(line, x); 9703 return offset; 9704 } 9705 9706 float convertToLocalHorizontalCoordinate(float x) { 9707 x -= getTotalPaddingLeft(); 9708 // Clamp the position to inside of the view. 9709 x = Math.max(0.0f, x); 9710 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 9711 x += getScrollX(); 9712 return x; 9713 } 9714 9715 int getLineAtCoordinate(float y) { 9716 y -= getTotalPaddingTop(); 9717 // Clamp the position to inside of the view. 9718 y = Math.max(0.0f, y); 9719 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 9720 y += getScrollY(); 9721 return getLayout().getLineForVertical((int) y); 9722 } 9723 9724 int getLineAtCoordinateUnclamped(float y) { 9725 y -= getTotalPaddingTop(); 9726 y += getScrollY(); 9727 return getLayout().getLineForVertical((int) y); 9728 } 9729 9730 int getOffsetAtCoordinate(int line, float x) { 9731 x = convertToLocalHorizontalCoordinate(x); 9732 return getLayout().getOffsetForHorizontal(line, x); 9733 } 9734 9735 @Override 9736 public boolean onDragEvent(DragEvent event) { 9737 switch (event.getAction()) { 9738 case DragEvent.ACTION_DRAG_STARTED: 9739 return mEditor != null && mEditor.hasInsertionController(); 9740 9741 case DragEvent.ACTION_DRAG_ENTERED: 9742 TextView.this.requestFocus(); 9743 return true; 9744 9745 case DragEvent.ACTION_DRAG_LOCATION: 9746 final int offset = getOffsetForPosition(event.getX(), event.getY()); 9747 Selection.setSelection((Spannable)mText, offset); 9748 return true; 9749 9750 case DragEvent.ACTION_DROP: 9751 if (mEditor != null) mEditor.onDrop(event); 9752 return true; 9753 9754 case DragEvent.ACTION_DRAG_ENDED: 9755 case DragEvent.ACTION_DRAG_EXITED: 9756 default: 9757 return true; 9758 } 9759 } 9760 9761 boolean isInBatchEditMode() { 9762 if (mEditor == null) return false; 9763 final Editor.InputMethodState ims = mEditor.mInputMethodState; 9764 if (ims != null) { 9765 return ims.mBatchEditNesting > 0; 9766 } 9767 return mEditor.mInBatchEditControllers; 9768 } 9769 9770 @Override 9771 public void onRtlPropertiesChanged(int layoutDirection) { 9772 super.onRtlPropertiesChanged(layoutDirection); 9773 9774 final TextDirectionHeuristic newTextDir = getTextDirectionHeuristic(); 9775 if (mTextDir != newTextDir) { 9776 mTextDir = newTextDir; 9777 if (mLayout != null) { 9778 checkForRelayout(); 9779 } 9780 } 9781 } 9782 9783 /** 9784 * @hide 9785 */ 9786 protected TextDirectionHeuristic getTextDirectionHeuristic() { 9787 if (hasPasswordTransformationMethod()) { 9788 // passwords fields should be LTR 9789 return TextDirectionHeuristics.LTR; 9790 } 9791 9792 // Always need to resolve layout direction first 9793 final boolean defaultIsRtl = (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 9794 9795 // Now, we can select the heuristic 9796 switch (getTextDirection()) { 9797 default: 9798 case TEXT_DIRECTION_FIRST_STRONG: 9799 return (defaultIsRtl ? TextDirectionHeuristics.FIRSTSTRONG_RTL : 9800 TextDirectionHeuristics.FIRSTSTRONG_LTR); 9801 case TEXT_DIRECTION_ANY_RTL: 9802 return TextDirectionHeuristics.ANYRTL_LTR; 9803 case TEXT_DIRECTION_LTR: 9804 return TextDirectionHeuristics.LTR; 9805 case TEXT_DIRECTION_RTL: 9806 return TextDirectionHeuristics.RTL; 9807 case TEXT_DIRECTION_LOCALE: 9808 return TextDirectionHeuristics.LOCALE; 9809 case TEXT_DIRECTION_FIRST_STRONG_LTR: 9810 return TextDirectionHeuristics.FIRSTSTRONG_LTR; 9811 case TEXT_DIRECTION_FIRST_STRONG_RTL: 9812 return TextDirectionHeuristics.FIRSTSTRONG_RTL; 9813 } 9814 } 9815 9816 /** 9817 * @hide 9818 */ 9819 @Override 9820 public void onResolveDrawables(int layoutDirection) { 9821 // No need to resolve twice 9822 if (mLastLayoutDirection == layoutDirection) { 9823 return; 9824 } 9825 mLastLayoutDirection = layoutDirection; 9826 9827 // Resolve drawables 9828 if (mDrawables != null) { 9829 if (mDrawables.resolveWithLayoutDirection(layoutDirection)) { 9830 prepareDrawableForDisplay(mDrawables.mShowing[Drawables.LEFT]); 9831 prepareDrawableForDisplay(mDrawables.mShowing[Drawables.RIGHT]); 9832 applyCompoundDrawableTint(); 9833 } 9834 } 9835 } 9836 9837 /** 9838 * Prepares a drawable for display by propagating layout direction and 9839 * drawable state. 9840 * 9841 * @param dr the drawable to prepare 9842 */ 9843 private void prepareDrawableForDisplay(@Nullable Drawable dr) { 9844 if (dr == null) { 9845 return; 9846 } 9847 9848 dr.setLayoutDirection(getLayoutDirection()); 9849 9850 if (dr.isStateful()) { 9851 dr.setState(getDrawableState()); 9852 dr.jumpToCurrentState(); 9853 } 9854 } 9855 9856 /** 9857 * @hide 9858 */ 9859 protected void resetResolvedDrawables() { 9860 super.resetResolvedDrawables(); 9861 mLastLayoutDirection = -1; 9862 } 9863 9864 /** 9865 * @hide 9866 */ 9867 protected void viewClicked(InputMethodManager imm) { 9868 if (imm != null) { 9869 imm.viewClicked(this); 9870 } 9871 } 9872 9873 /** 9874 * Deletes the range of text [start, end[. 9875 * @hide 9876 */ 9877 protected void deleteText_internal(int start, int end) { 9878 ((Editable) mText).delete(start, end); 9879 } 9880 9881 /** 9882 * Replaces the range of text [start, end[ by replacement text 9883 * @hide 9884 */ 9885 protected void replaceText_internal(int start, int end, CharSequence text) { 9886 ((Editable) mText).replace(start, end, text); 9887 } 9888 9889 /** 9890 * Sets a span on the specified range of text 9891 * @hide 9892 */ 9893 protected void setSpan_internal(Object span, int start, int end, int flags) { 9894 ((Editable) mText).setSpan(span, start, end, flags); 9895 } 9896 9897 /** 9898 * Moves the cursor to the specified offset position in text 9899 * @hide 9900 */ 9901 protected void setCursorPosition_internal(int start, int end) { 9902 Selection.setSelection(((Editable) mText), start, end); 9903 } 9904 9905 /** 9906 * An Editor should be created as soon as any of the editable-specific fields (grouped 9907 * inside the Editor object) is assigned to a non-default value. 9908 * This method will create the Editor if needed. 9909 * 9910 * A standard TextView (as well as buttons, checkboxes...) should not qualify and hence will 9911 * have a null Editor, unlike an EditText. Inconsistent in-between states will have an 9912 * Editor for backward compatibility, as soon as one of these fields is assigned. 9913 * 9914 * Also note that for performance reasons, the mEditor is created when needed, but not 9915 * reset when no more edit-specific fields are needed. 9916 */ 9917 private void createEditorIfNeeded() { 9918 if (mEditor == null) { 9919 mEditor = new Editor(this); 9920 } 9921 } 9922 9923 /** 9924 * @hide 9925 */ 9926 @Override 9927 public CharSequence getIterableTextForAccessibility() { 9928 return mText; 9929 } 9930 9931 private void ensureIterableTextForAccessibilitySelectable() { 9932 if (!(mText instanceof Spannable)) { 9933 setText(mText, BufferType.SPANNABLE); 9934 } 9935 } 9936 9937 /** 9938 * @hide 9939 */ 9940 @Override 9941 public TextSegmentIterator getIteratorForGranularity(int granularity) { 9942 switch (granularity) { 9943 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE: { 9944 Spannable text = (Spannable) getIterableTextForAccessibility(); 9945 if (!TextUtils.isEmpty(text) && getLayout() != null) { 9946 AccessibilityIterators.LineTextSegmentIterator iterator = 9947 AccessibilityIterators.LineTextSegmentIterator.getInstance(); 9948 iterator.initialize(text, getLayout()); 9949 return iterator; 9950 } 9951 } break; 9952 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE: { 9953 Spannable text = (Spannable) getIterableTextForAccessibility(); 9954 if (!TextUtils.isEmpty(text) && getLayout() != null) { 9955 AccessibilityIterators.PageTextSegmentIterator iterator = 9956 AccessibilityIterators.PageTextSegmentIterator.getInstance(); 9957 iterator.initialize(this); 9958 return iterator; 9959 } 9960 } break; 9961 } 9962 return super.getIteratorForGranularity(granularity); 9963 } 9964 9965 /** 9966 * @hide 9967 */ 9968 @Override 9969 public int getAccessibilitySelectionStart() { 9970 return getSelectionStart(); 9971 } 9972 9973 /** 9974 * @hide 9975 */ 9976 public boolean isAccessibilitySelectionExtendable() { 9977 return true; 9978 } 9979 9980 /** 9981 * @hide 9982 */ 9983 @Override 9984 public int getAccessibilitySelectionEnd() { 9985 return getSelectionEnd(); 9986 } 9987 9988 /** 9989 * @hide 9990 */ 9991 @Override 9992 public void setAccessibilitySelection(int start, int end) { 9993 if (getAccessibilitySelectionStart() == start 9994 && getAccessibilitySelectionEnd() == end) { 9995 return; 9996 } 9997 CharSequence text = getIterableTextForAccessibility(); 9998 if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) { 9999 Selection.setSelection((Spannable) text, start, end); 10000 } else { 10001 Selection.removeSelection((Spannable) text); 10002 } 10003 // Hide all selection controllers used for adjusting selection 10004 // since we are doing so explicitlty by other means and these 10005 // controllers interact with how selection behaves. 10006 if (mEditor != null) { 10007 mEditor.hideCursorAndSpanControllers(); 10008 mEditor.stopTextActionMode(); 10009 } 10010 } 10011 10012 /** @hide */ 10013 @Override 10014 protected void encodeProperties(@NonNull ViewHierarchyEncoder stream) { 10015 super.encodeProperties(stream); 10016 10017 TruncateAt ellipsize = getEllipsize(); 10018 stream.addProperty("text:ellipsize", ellipsize == null ? null : ellipsize.name()); 10019 stream.addProperty("text:textSize", getTextSize()); 10020 stream.addProperty("text:scaledTextSize", getScaledTextSize()); 10021 stream.addProperty("text:typefaceStyle", getTypefaceStyle()); 10022 stream.addProperty("text:selectionStart", getSelectionStart()); 10023 stream.addProperty("text:selectionEnd", getSelectionEnd()); 10024 stream.addProperty("text:curTextColor", mCurTextColor); 10025 stream.addProperty("text:text", mText == null ? null : mText.toString()); 10026 stream.addProperty("text:gravity", mGravity); 10027 } 10028 10029 /** 10030 * User interface state that is stored by TextView for implementing 10031 * {@link View#onSaveInstanceState}. 10032 */ 10033 public static class SavedState extends BaseSavedState { 10034 int selStart = -1; 10035 int selEnd = -1; 10036 CharSequence text; 10037 boolean frozenWithFocus; 10038 CharSequence error; 10039 ParcelableParcel editorState; // Optional state from Editor. 10040 10041 SavedState(Parcelable superState) { 10042 super(superState); 10043 } 10044 10045 @Override 10046 public void writeToParcel(Parcel out, int flags) { 10047 super.writeToParcel(out, flags); 10048 out.writeInt(selStart); 10049 out.writeInt(selEnd); 10050 out.writeInt(frozenWithFocus ? 1 : 0); 10051 TextUtils.writeToParcel(text, out, flags); 10052 10053 if (error == null) { 10054 out.writeInt(0); 10055 } else { 10056 out.writeInt(1); 10057 TextUtils.writeToParcel(error, out, flags); 10058 } 10059 10060 if (editorState == null) { 10061 out.writeInt(0); 10062 } else { 10063 out.writeInt(1); 10064 editorState.writeToParcel(out, flags); 10065 } 10066 } 10067 10068 @Override 10069 public String toString() { 10070 String str = "TextView.SavedState{" 10071 + Integer.toHexString(System.identityHashCode(this)) 10072 + " start=" + selStart + " end=" + selEnd; 10073 if (text != null) { 10074 str += " text=" + text; 10075 } 10076 return str + "}"; 10077 } 10078 10079 @SuppressWarnings("hiding") 10080 public static final Parcelable.Creator<SavedState> CREATOR 10081 = new Parcelable.Creator<SavedState>() { 10082 public SavedState createFromParcel(Parcel in) { 10083 return new SavedState(in); 10084 } 10085 10086 public SavedState[] newArray(int size) { 10087 return new SavedState[size]; 10088 } 10089 }; 10090 10091 private SavedState(Parcel in) { 10092 super(in); 10093 selStart = in.readInt(); 10094 selEnd = in.readInt(); 10095 frozenWithFocus = (in.readInt() != 0); 10096 text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 10097 10098 if (in.readInt() != 0) { 10099 error = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 10100 } 10101 10102 if (in.readInt() != 0) { 10103 editorState = ParcelableParcel.CREATOR.createFromParcel(in); 10104 } 10105 } 10106 } 10107 10108 private static class CharWrapper implements CharSequence, GetChars, GraphicsOperations { 10109 private char[] mChars; 10110 private int mStart, mLength; 10111 10112 public CharWrapper(char[] chars, int start, int len) { 10113 mChars = chars; 10114 mStart = start; 10115 mLength = len; 10116 } 10117 10118 /* package */ void set(char[] chars, int start, int len) { 10119 mChars = chars; 10120 mStart = start; 10121 mLength = len; 10122 } 10123 10124 public int length() { 10125 return mLength; 10126 } 10127 10128 public char charAt(int off) { 10129 return mChars[off + mStart]; 10130 } 10131 10132 @Override 10133 public String toString() { 10134 return new String(mChars, mStart, mLength); 10135 } 10136 10137 public CharSequence subSequence(int start, int end) { 10138 if (start < 0 || end < 0 || start > mLength || end > mLength) { 10139 throw new IndexOutOfBoundsException(start + ", " + end); 10140 } 10141 10142 return new String(mChars, start + mStart, end - start); 10143 } 10144 10145 public void getChars(int start, int end, char[] buf, int off) { 10146 if (start < 0 || end < 0 || start > mLength || end > mLength) { 10147 throw new IndexOutOfBoundsException(start + ", " + end); 10148 } 10149 10150 System.arraycopy(mChars, start + mStart, buf, off, end - start); 10151 } 10152 10153 public void drawText(Canvas c, int start, int end, 10154 float x, float y, Paint p) { 10155 c.drawText(mChars, start + mStart, end - start, x, y, p); 10156 } 10157 10158 public void drawTextRun(Canvas c, int start, int end, 10159 int contextStart, int contextEnd, float x, float y, boolean isRtl, Paint p) { 10160 int count = end - start; 10161 int contextCount = contextEnd - contextStart; 10162 c.drawTextRun(mChars, start + mStart, count, contextStart + mStart, 10163 contextCount, x, y, isRtl, p); 10164 } 10165 10166 public float measureText(int start, int end, Paint p) { 10167 return p.measureText(mChars, start + mStart, end - start); 10168 } 10169 10170 public int getTextWidths(int start, int end, float[] widths, Paint p) { 10171 return p.getTextWidths(mChars, start + mStart, end - start, widths); 10172 } 10173 10174 public float getTextRunAdvances(int start, int end, int contextStart, 10175 int contextEnd, boolean isRtl, float[] advances, int advancesIndex, 10176 Paint p) { 10177 int count = end - start; 10178 int contextCount = contextEnd - contextStart; 10179 return p.getTextRunAdvances(mChars, start + mStart, count, 10180 contextStart + mStart, contextCount, isRtl, advances, 10181 advancesIndex); 10182 } 10183 10184 public int getTextRunCursor(int contextStart, int contextEnd, int dir, 10185 int offset, int cursorOpt, Paint p) { 10186 int contextCount = contextEnd - contextStart; 10187 return p.getTextRunCursor(mChars, contextStart + mStart, 10188 contextCount, dir, offset + mStart, cursorOpt); 10189 } 10190 } 10191 10192 private static final class Marquee { 10193 // TODO: Add an option to configure this 10194 private static final float MARQUEE_DELTA_MAX = 0.07f; 10195 private static final int MARQUEE_DELAY = 1200; 10196 private static final int MARQUEE_DP_PER_SECOND = 30; 10197 10198 private static final byte MARQUEE_STOPPED = 0x0; 10199 private static final byte MARQUEE_STARTING = 0x1; 10200 private static final byte MARQUEE_RUNNING = 0x2; 10201 10202 private final WeakReference<TextView> mView; 10203 private final Choreographer mChoreographer; 10204 10205 private byte mStatus = MARQUEE_STOPPED; 10206 private final float mPixelsPerSecond; 10207 private float mMaxScroll; 10208 private float mMaxFadeScroll; 10209 private float mGhostStart; 10210 private float mGhostOffset; 10211 private float mFadeStop; 10212 private int mRepeatLimit; 10213 10214 private float mScroll; 10215 private long mLastAnimationMs; 10216 10217 Marquee(TextView v) { 10218 final float density = v.getContext().getResources().getDisplayMetrics().density; 10219 mPixelsPerSecond = MARQUEE_DP_PER_SECOND * density; 10220 mView = new WeakReference<TextView>(v); 10221 mChoreographer = Choreographer.getInstance(); 10222 } 10223 10224 private Choreographer.FrameCallback mTickCallback = new Choreographer.FrameCallback() { 10225 @Override 10226 public void doFrame(long frameTimeNanos) { 10227 tick(); 10228 } 10229 }; 10230 10231 private Choreographer.FrameCallback mStartCallback = new Choreographer.FrameCallback() { 10232 @Override 10233 public void doFrame(long frameTimeNanos) { 10234 mStatus = MARQUEE_RUNNING; 10235 mLastAnimationMs = mChoreographer.getFrameTime(); 10236 tick(); 10237 } 10238 }; 10239 10240 private Choreographer.FrameCallback mRestartCallback = new Choreographer.FrameCallback() { 10241 @Override 10242 public void doFrame(long frameTimeNanos) { 10243 if (mStatus == MARQUEE_RUNNING) { 10244 if (mRepeatLimit >= 0) { 10245 mRepeatLimit--; 10246 } 10247 start(mRepeatLimit); 10248 } 10249 } 10250 }; 10251 10252 void tick() { 10253 if (mStatus != MARQUEE_RUNNING) { 10254 return; 10255 } 10256 10257 mChoreographer.removeFrameCallback(mTickCallback); 10258 10259 final TextView textView = mView.get(); 10260 if (textView != null && (textView.isFocused() || textView.isSelected())) { 10261 long currentMs = mChoreographer.getFrameTime(); 10262 long deltaMs = currentMs - mLastAnimationMs; 10263 mLastAnimationMs = currentMs; 10264 float deltaPx = deltaMs / 1000f * mPixelsPerSecond; 10265 mScroll += deltaPx; 10266 if (mScroll > mMaxScroll) { 10267 mScroll = mMaxScroll; 10268 mChoreographer.postFrameCallbackDelayed(mRestartCallback, MARQUEE_DELAY); 10269 } else { 10270 mChoreographer.postFrameCallback(mTickCallback); 10271 } 10272 textView.invalidate(); 10273 } 10274 } 10275 10276 void stop() { 10277 mStatus = MARQUEE_STOPPED; 10278 mChoreographer.removeFrameCallback(mStartCallback); 10279 mChoreographer.removeFrameCallback(mRestartCallback); 10280 mChoreographer.removeFrameCallback(mTickCallback); 10281 resetScroll(); 10282 } 10283 10284 private void resetScroll() { 10285 mScroll = 0.0f; 10286 final TextView textView = mView.get(); 10287 if (textView != null) textView.invalidate(); 10288 } 10289 10290 void start(int repeatLimit) { 10291 if (repeatLimit == 0) { 10292 stop(); 10293 return; 10294 } 10295 mRepeatLimit = repeatLimit; 10296 final TextView textView = mView.get(); 10297 if (textView != null && textView.mLayout != null) { 10298 mStatus = MARQUEE_STARTING; 10299 mScroll = 0.0f; 10300 final int textWidth = textView.getWidth() - textView.getCompoundPaddingLeft() - 10301 textView.getCompoundPaddingRight(); 10302 final float lineWidth = textView.mLayout.getLineWidth(0); 10303 final float gap = textWidth / 3.0f; 10304 mGhostStart = lineWidth - textWidth + gap; 10305 mMaxScroll = mGhostStart + textWidth; 10306 mGhostOffset = lineWidth + gap; 10307 mFadeStop = lineWidth + textWidth / 6.0f; 10308 mMaxFadeScroll = mGhostStart + lineWidth + lineWidth; 10309 10310 textView.invalidate(); 10311 mChoreographer.postFrameCallback(mStartCallback); 10312 } 10313 } 10314 10315 float getGhostOffset() { 10316 return mGhostOffset; 10317 } 10318 10319 float getScroll() { 10320 return mScroll; 10321 } 10322 10323 float getMaxFadeScroll() { 10324 return mMaxFadeScroll; 10325 } 10326 10327 boolean shouldDrawLeftFade() { 10328 return mScroll <= mFadeStop; 10329 } 10330 10331 boolean shouldDrawGhost() { 10332 return mStatus == MARQUEE_RUNNING && mScroll > mGhostStart; 10333 } 10334 10335 boolean isRunning() { 10336 return mStatus == MARQUEE_RUNNING; 10337 } 10338 10339 boolean isStopped() { 10340 return mStatus == MARQUEE_STOPPED; 10341 } 10342 } 10343 10344 private class ChangeWatcher implements TextWatcher, SpanWatcher { 10345 10346 private CharSequence mBeforeText; 10347 10348 public void beforeTextChanged(CharSequence buffer, int start, 10349 int before, int after) { 10350 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "beforeTextChanged start=" + start 10351 + " before=" + before + " after=" + after + ": " + buffer); 10352 10353 if (AccessibilityManager.getInstance(mContext).isEnabled() 10354 && ((!isPasswordInputType(getInputType()) && !hasPasswordTransformationMethod()) 10355 || shouldSpeakPasswordsForAccessibility())) { 10356 mBeforeText = buffer.toString(); 10357 } 10358 10359 TextView.this.sendBeforeTextChanged(buffer, start, before, after); 10360 } 10361 10362 public void onTextChanged(CharSequence buffer, int start, int before, int after) { 10363 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onTextChanged start=" + start 10364 + " before=" + before + " after=" + after + ": " + buffer); 10365 TextView.this.handleTextChanged(buffer, start, before, after); 10366 10367 if (AccessibilityManager.getInstance(mContext).isEnabled() && 10368 (isFocused() || isSelected() && isShown())) { 10369 sendAccessibilityEventTypeViewTextChanged(mBeforeText, start, before, after); 10370 mBeforeText = null; 10371 } 10372 } 10373 10374 public void afterTextChanged(Editable buffer) { 10375 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "afterTextChanged: " + buffer); 10376 TextView.this.sendAfterTextChanged(buffer); 10377 10378 if (MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0) { 10379 MetaKeyKeyListener.stopSelecting(TextView.this, buffer); 10380 } 10381 } 10382 10383 public void onSpanChanged(Spannable buf, Object what, int s, int e, int st, int en) { 10384 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanChanged s=" + s + " e=" + e 10385 + " st=" + st + " en=" + en + " what=" + what + ": " + buf); 10386 TextView.this.spanChange(buf, what, s, st, e, en); 10387 } 10388 10389 public void onSpanAdded(Spannable buf, Object what, int s, int e) { 10390 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanAdded s=" + s + " e=" + e 10391 + " what=" + what + ": " + buf); 10392 TextView.this.spanChange(buf, what, -1, s, -1, e); 10393 } 10394 10395 public void onSpanRemoved(Spannable buf, Object what, int s, int e) { 10396 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanRemoved s=" + s + " e=" + e 10397 + " what=" + what + ": " + buf); 10398 TextView.this.spanChange(buf, what, s, -1, e, -1); 10399 } 10400 } 10401} 10402