1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.widget; 18 19 import android.R; 20 import android.annotation.NonNull; 21 import android.annotation.Nullable; 22 import android.content.ClipData; 23 import android.content.ClipboardManager; 24 import android.content.Context; 25 import android.content.UndoManager; 26 import android.content.res.ColorStateList; 27 import android.content.res.CompatibilityInfo; 28 import android.content.res.Resources; 29 import android.content.res.TypedArray; 30 import android.content.res.XmlResourceParser; 31 import android.graphics.Canvas; 32 import android.graphics.Insets; 33 import android.graphics.Paint; 34 import android.graphics.Path; 35 import android.graphics.Rect; 36 import android.graphics.RectF; 37 import android.graphics.Typeface; 38 import android.graphics.drawable.Drawable; 39 import android.inputmethodservice.ExtractEditText; 40 import android.os.AsyncTask; 41 import android.os.Bundle; 42 import android.os.Parcel; 43 import android.os.Parcelable; 44 import android.os.SystemClock; 45 import android.provider.Settings; 46 import android.text.BoringLayout; 47 import android.text.DynamicLayout; 48 import android.text.Editable; 49 import android.text.GetChars; 50 import android.text.GraphicsOperations; 51 import android.text.InputFilter; 52 import android.text.InputType; 53 import android.text.Layout; 54 import android.text.ParcelableSpan; 55 import android.text.Selection; 56 import android.text.SpanWatcher; 57 import android.text.Spannable; 58 import android.text.SpannableString; 59 import android.text.SpannableStringBuilder; 60 import android.text.Spanned; 61 import android.text.SpannedString; 62 import android.text.StaticLayout; 63 import android.text.TextDirectionHeuristic; 64 import android.text.TextDirectionHeuristics; 65 import android.text.TextPaint; 66 import android.text.TextUtils; 67 import android.text.TextUtils.TruncateAt; 68 import android.text.TextWatcher; 69 import android.text.method.AllCapsTransformationMethod; 70 import android.text.method.ArrowKeyMovementMethod; 71 import android.text.method.DateKeyListener; 72 import android.text.method.DateTimeKeyListener; 73 import android.text.method.DialerKeyListener; 74 import android.text.method.DigitsKeyListener; 75 import android.text.method.KeyListener; 76 import android.text.method.LinkMovementMethod; 77 import android.text.method.MetaKeyKeyListener; 78 import android.text.method.MovementMethod; 79 import android.text.method.PasswordTransformationMethod; 80 import android.text.method.SingleLineTransformationMethod; 81 import android.text.method.TextKeyListener; 82 import android.text.method.TimeKeyListener; 83 import android.text.method.TransformationMethod; 84 import android.text.method.TransformationMethod2; 85 import android.text.method.WordIterator; 86 import android.text.style.CharacterStyle; 87 import android.text.style.ClickableSpan; 88 import android.text.style.ParagraphStyle; 89 import android.text.style.SpellCheckSpan; 90 import android.text.style.SuggestionSpan; 91 import android.text.style.URLSpan; 92 import android.text.style.UpdateAppearance; 93 import android.text.util.Linkify; 94 import android.util.AttributeSet; 95 import android.util.FloatMath; 96 import android.util.Log; 97 import android.util.TypedValue; 98 import android.view.AccessibilityIterators.TextSegmentIterator; 99 import android.view.ActionMode; 100 import android.view.Choreographer; 101 import android.view.DragEvent; 102 import android.view.Gravity; 103 import android.view.HapticFeedbackConstants; 104 import android.view.KeyCharacterMap; 105 import android.view.KeyEvent; 106 import android.view.Menu; 107 import android.view.MenuItem; 108 import android.view.MotionEvent; 109 import android.view.View; 110 import android.view.ViewConfiguration; 111 import android.view.ViewDebug; 112 import android.view.ViewGroup.LayoutParams; 113 import android.view.ViewRootImpl; 114 import android.view.ViewTreeObserver; 115 import android.view.accessibility.AccessibilityEvent; 116 import android.view.accessibility.AccessibilityManager; 117 import android.view.accessibility.AccessibilityNodeInfo; 118 import android.view.animation.AnimationUtils; 119 import android.view.inputmethod.BaseInputConnection; 120 import android.view.inputmethod.CompletionInfo; 121 import android.view.inputmethod.CorrectionInfo; 122 import android.view.inputmethod.EditorInfo; 123 import android.view.inputmethod.ExtractedText; 124 import android.view.inputmethod.ExtractedTextRequest; 125 import android.view.inputmethod.InputConnection; 126 import android.view.inputmethod.InputMethodManager; 127 import android.view.textservice.SpellCheckerSubtype; 128 import android.view.textservice.TextServicesManager; 129 import android.widget.RemoteViews.RemoteView; 130 131 import com.android.internal.util.FastMath; 132 import com.android.internal.widget.EditableInputConnection; 133 134 import org.xmlpull.v1.XmlPullParserException; 135 136 import java.io.IOException; 137 import java.lang.ref.WeakReference; 138 import java.util.ArrayList; 139 import java.util.Locale; 140 141 import static android.os.Build.VERSION_CODES.JELLY_BEAN_MR1; 142 143 /** 144 * Displays text to the user and optionally allows them to edit it. A TextView 145 * is a complete text editor, however the basic class is configured to not 146 * allow editing; see {@link EditText} for a subclass that configures the text 147 * view for editing. 148 * 149 * <p> 150 * To allow users to copy some or all of the TextView's value and paste it somewhere else, set the 151 * XML attribute {@link android.R.styleable#TextView_textIsSelectable 152 * android:textIsSelectable} to "true" or call 153 * {@link #setTextIsSelectable setTextIsSelectable(true)}. The {@code textIsSelectable} flag 154 * allows users to make selection gestures in the TextView, which in turn triggers the system's 155 * built-in copy/paste controls. 156 * <p> 157 * <b>XML attributes</b> 158 * <p> 159 * See {@link android.R.styleable#TextView TextView Attributes}, 160 * {@link android.R.styleable#View View Attributes} 161 * 162 * @attr ref android.R.styleable#TextView_text 163 * @attr ref android.R.styleable#TextView_bufferType 164 * @attr ref android.R.styleable#TextView_hint 165 * @attr ref android.R.styleable#TextView_textColor 166 * @attr ref android.R.styleable#TextView_textColorHighlight 167 * @attr ref android.R.styleable#TextView_textColorHint 168 * @attr ref android.R.styleable#TextView_textAppearance 169 * @attr ref android.R.styleable#TextView_textColorLink 170 * @attr ref android.R.styleable#TextView_textSize 171 * @attr ref android.R.styleable#TextView_textScaleX 172 * @attr ref android.R.styleable#TextView_fontFamily 173 * @attr ref android.R.styleable#TextView_typeface 174 * @attr ref android.R.styleable#TextView_textStyle 175 * @attr ref android.R.styleable#TextView_cursorVisible 176 * @attr ref android.R.styleable#TextView_maxLines 177 * @attr ref android.R.styleable#TextView_maxHeight 178 * @attr ref android.R.styleable#TextView_lines 179 * @attr ref android.R.styleable#TextView_height 180 * @attr ref android.R.styleable#TextView_minLines 181 * @attr ref android.R.styleable#TextView_minHeight 182 * @attr ref android.R.styleable#TextView_maxEms 183 * @attr ref android.R.styleable#TextView_maxWidth 184 * @attr ref android.R.styleable#TextView_ems 185 * @attr ref android.R.styleable#TextView_width 186 * @attr ref android.R.styleable#TextView_minEms 187 * @attr ref android.R.styleable#TextView_minWidth 188 * @attr ref android.R.styleable#TextView_gravity 189 * @attr ref android.R.styleable#TextView_scrollHorizontally 190 * @attr ref android.R.styleable#TextView_password 191 * @attr ref android.R.styleable#TextView_singleLine 192 * @attr ref android.R.styleable#TextView_selectAllOnFocus 193 * @attr ref android.R.styleable#TextView_includeFontPadding 194 * @attr ref android.R.styleable#TextView_maxLength 195 * @attr ref android.R.styleable#TextView_shadowColor 196 * @attr ref android.R.styleable#TextView_shadowDx 197 * @attr ref android.R.styleable#TextView_shadowDy 198 * @attr ref android.R.styleable#TextView_shadowRadius 199 * @attr ref android.R.styleable#TextView_autoLink 200 * @attr ref android.R.styleable#TextView_linksClickable 201 * @attr ref android.R.styleable#TextView_numeric 202 * @attr ref android.R.styleable#TextView_digits 203 * @attr ref android.R.styleable#TextView_phoneNumber 204 * @attr ref android.R.styleable#TextView_inputMethod 205 * @attr ref android.R.styleable#TextView_capitalize 206 * @attr ref android.R.styleable#TextView_autoText 207 * @attr ref android.R.styleable#TextView_editable 208 * @attr ref android.R.styleable#TextView_freezesText 209 * @attr ref android.R.styleable#TextView_ellipsize 210 * @attr ref android.R.styleable#TextView_drawableTop 211 * @attr ref android.R.styleable#TextView_drawableBottom 212 * @attr ref android.R.styleable#TextView_drawableRight 213 * @attr ref android.R.styleable#TextView_drawableLeft 214 * @attr ref android.R.styleable#TextView_drawableStart 215 * @attr ref android.R.styleable#TextView_drawableEnd 216 * @attr ref android.R.styleable#TextView_drawablePadding 217 * @attr ref android.R.styleable#TextView_lineSpacingExtra 218 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 219 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 220 * @attr ref android.R.styleable#TextView_inputType 221 * @attr ref android.R.styleable#TextView_imeOptions 222 * @attr ref android.R.styleable#TextView_privateImeOptions 223 * @attr ref android.R.styleable#TextView_imeActionLabel 224 * @attr ref android.R.styleable#TextView_imeActionId 225 * @attr ref android.R.styleable#TextView_editorExtras 226 * @attr ref android.R.styleable#TextView_elegantTextHeight 227 * @attr ref android.R.styleable#TextView_letterSpacing 228 * @attr ref android.R.styleable#TextView_fontFeatureSettings 229 */ 230 @RemoteView 231 public class TextView extends View implements ViewTreeObserver.OnPreDrawListener { 232 static final String LOG_TAG = "TextView"; 233 static final boolean DEBUG_EXTRACT = false; 234 235 // Enum for the "typeface" XML parameter. 236 // TODO: How can we get this from the XML instead of hardcoding it here? 237 private static final int SANS = 1; 238 private static final int SERIF = 2; 239 private static final int MONOSPACE = 3; 240 241 // Bitfield for the "numeric" XML parameter. 242 // TODO: How can we get this from the XML instead of hardcoding it here? 243 private static final int SIGNED = 2; 244 private static final int DECIMAL = 4; 245 246 /** 247 * Draw marquee text with fading edges as usual 248 */ 249 private static final int MARQUEE_FADE_NORMAL = 0; 250 251 /** 252 * Draw marquee text as ellipsize end while inactive instead of with the fade. 253 * (Useful for devices where the fade can be expensive if overdone) 254 */ 255 private static final int MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS = 1; 256 257 /** 258 * Draw marquee text with fading edges because it is currently active/animating. 259 */ 260 private static final int MARQUEE_FADE_SWITCH_SHOW_FADE = 2; 261 262 private static final int LINES = 1; 263 private static final int EMS = LINES; 264 private static final int PIXELS = 2; 265 266 private static final RectF TEMP_RECTF = new RectF(); 267 268 // XXX should be much larger 269 private static final int VERY_WIDE = 1024*1024; 270 private static final int ANIMATED_SCROLL_GAP = 250; 271 272 private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 273 private static final Spanned EMPTY_SPANNED = new SpannedString(""); 274 275 private static final int CHANGE_WATCHER_PRIORITY = 100; 276 277 // New state used to change background based on whether this TextView is multiline. 278 private static final int[] MULTILINE_STATE_SET = { R.attr.state_multiline }; 279 280 // System wide time for last cut or copy action. 281 static long LAST_CUT_OR_COPY_TIME; 282 283 private ColorStateList mTextColor; 284 private ColorStateList mHintTextColor; 285 private ColorStateList mLinkTextColor; 286 @ViewDebug.ExportedProperty(category = "text") 287 private int mCurTextColor; 288 private int mCurHintTextColor; 289 private boolean mFreezesText; 290 private boolean mTemporaryDetach; 291 private boolean mDispatchTemporaryDetach; 292 293 private Editable.Factory mEditableFactory = Editable.Factory.getInstance(); 294 private Spannable.Factory mSpannableFactory = Spannable.Factory.getInstance(); 295 296 private float mShadowRadius, mShadowDx, mShadowDy; 297 private int mShadowColor; 298 299 300 private boolean mPreDrawRegistered; 301 private boolean mPreDrawListenerDetached; 302 303 // A flag to prevent repeated movements from escaping the enclosing text view. The idea here is 304 // that if a user is holding down a movement key to traverse text, we shouldn't also traverse 305 // the view hierarchy. On the other hand, if the user is using the movement key to traverse views 306 // (i.e. the first movement was to traverse out of this view, or this view was traversed into by 307 // the user holding the movement key down) then we shouldn't prevent the focus from changing. 308 private boolean mPreventDefaultMovement; 309 310 private TextUtils.TruncateAt mEllipsize; 311 312 static class Drawables { 313 final static int DRAWABLE_NONE = -1; 314 final static int DRAWABLE_RIGHT = 0; 315 final static int DRAWABLE_LEFT = 1; 316 317 final Rect mCompoundRect = new Rect(); 318 319 Drawable mDrawableTop, mDrawableBottom, mDrawableLeft, mDrawableRight, 320 mDrawableStart, mDrawableEnd, mDrawableError, mDrawableTemp; 321 322 Drawable mDrawableLeftInitial, mDrawableRightInitial; 323 boolean mIsRtlCompatibilityMode; 324 boolean mOverride; 325 326 int mDrawableSizeTop, mDrawableSizeBottom, mDrawableSizeLeft, mDrawableSizeRight, 327 mDrawableSizeStart, mDrawableSizeEnd, mDrawableSizeError, mDrawableSizeTemp; 328 329 int mDrawableWidthTop, mDrawableWidthBottom, mDrawableHeightLeft, mDrawableHeightRight, 330 mDrawableHeightStart, mDrawableHeightEnd, mDrawableHeightError, mDrawableHeightTemp; 331 332 int mDrawablePadding; 333 334 int mDrawableSaved = DRAWABLE_NONE; 335 336 public Drawables(Context context) { 337 final int targetSdkVersion = context.getApplicationInfo().targetSdkVersion; 338 mIsRtlCompatibilityMode = (targetSdkVersion < JELLY_BEAN_MR1 || 339 !context.getApplicationInfo().hasRtlSupport()); 340 mOverride = false; 341 } 342 343 public void resolveWithLayoutDirection(int layoutDirection) { 344 // First reset "left" and "right" drawables to their initial values 345 mDrawableLeft = mDrawableLeftInitial; 346 mDrawableRight = mDrawableRightInitial; 347 348 if (mIsRtlCompatibilityMode) { 349 // Use "start" drawable as "left" drawable if the "left" drawable was not defined 350 if (mDrawableStart != null && mDrawableLeft == null) { 351 mDrawableLeft = mDrawableStart; 352 mDrawableSizeLeft = mDrawableSizeStart; 353 mDrawableHeightLeft = mDrawableHeightStart; 354 } 355 // Use "end" drawable as "right" drawable if the "right" drawable was not defined 356 if (mDrawableEnd != null && mDrawableRight == null) { 357 mDrawableRight = mDrawableEnd; 358 mDrawableSizeRight = mDrawableSizeEnd; 359 mDrawableHeightRight = mDrawableHeightEnd; 360 } 361 } else { 362 // JB-MR1+ normal case: "start" / "end" drawables are overriding "left" / "right" 363 // drawable if and only if they have been defined 364 switch(layoutDirection) { 365 case LAYOUT_DIRECTION_RTL: 366 if (mOverride) { 367 mDrawableRight = mDrawableStart; 368 mDrawableSizeRight = mDrawableSizeStart; 369 mDrawableHeightRight = mDrawableHeightStart; 370 371 mDrawableLeft = mDrawableEnd; 372 mDrawableSizeLeft = mDrawableSizeEnd; 373 mDrawableHeightLeft = mDrawableHeightEnd; 374 } 375 break; 376 377 case LAYOUT_DIRECTION_LTR: 378 default: 379 if (mOverride) { 380 mDrawableLeft = mDrawableStart; 381 mDrawableSizeLeft = mDrawableSizeStart; 382 mDrawableHeightLeft = mDrawableHeightStart; 383 384 mDrawableRight = mDrawableEnd; 385 mDrawableSizeRight = mDrawableSizeEnd; 386 mDrawableHeightRight = mDrawableHeightEnd; 387 } 388 break; 389 } 390 } 391 applyErrorDrawableIfNeeded(layoutDirection); 392 updateDrawablesLayoutDirection(layoutDirection); 393 } 394 395 private void updateDrawablesLayoutDirection(int layoutDirection) { 396 if (mDrawableLeft != null) { 397 mDrawableLeft.setLayoutDirection(layoutDirection); 398 } 399 if (mDrawableRight != null) { 400 mDrawableRight.setLayoutDirection(layoutDirection); 401 } 402 if (mDrawableTop != null) { 403 mDrawableTop.setLayoutDirection(layoutDirection); 404 } 405 if (mDrawableBottom != null) { 406 mDrawableBottom.setLayoutDirection(layoutDirection); 407 } 408 } 409 410 public void setErrorDrawable(Drawable dr, TextView tv) { 411 if (mDrawableError != dr && mDrawableError != null) { 412 mDrawableError.setCallback(null); 413 } 414 mDrawableError = dr; 415 416 final Rect compoundRect = mCompoundRect; 417 int[] state = tv.getDrawableState(); 418 419 if (mDrawableError != null) { 420 mDrawableError.setState(state); 421 mDrawableError.copyBounds(compoundRect); 422 mDrawableError.setCallback(tv); 423 mDrawableSizeError = compoundRect.width(); 424 mDrawableHeightError = compoundRect.height(); 425 } else { 426 mDrawableSizeError = mDrawableHeightError = 0; 427 } 428 } 429 430 private void applyErrorDrawableIfNeeded(int layoutDirection) { 431 // first restore the initial state if needed 432 switch (mDrawableSaved) { 433 case DRAWABLE_LEFT: 434 mDrawableLeft = mDrawableTemp; 435 mDrawableSizeLeft = mDrawableSizeTemp; 436 mDrawableHeightLeft = mDrawableHeightTemp; 437 break; 438 case DRAWABLE_RIGHT: 439 mDrawableRight = mDrawableTemp; 440 mDrawableSizeRight = mDrawableSizeTemp; 441 mDrawableHeightRight = mDrawableHeightTemp; 442 break; 443 case DRAWABLE_NONE: 444 default: 445 } 446 // then, if needed, assign the Error drawable to the correct location 447 if (mDrawableError != null) { 448 switch(layoutDirection) { 449 case LAYOUT_DIRECTION_RTL: 450 mDrawableSaved = DRAWABLE_LEFT; 451 452 mDrawableTemp = mDrawableLeft; 453 mDrawableSizeTemp = mDrawableSizeLeft; 454 mDrawableHeightTemp = mDrawableHeightLeft; 455 456 mDrawableLeft = mDrawableError; 457 mDrawableSizeLeft = mDrawableSizeError; 458 mDrawableHeightLeft = mDrawableHeightError; 459 break; 460 case LAYOUT_DIRECTION_LTR: 461 default: 462 mDrawableSaved = DRAWABLE_RIGHT; 463 464 mDrawableTemp = mDrawableRight; 465 mDrawableSizeTemp = mDrawableSizeRight; 466 mDrawableHeightTemp = mDrawableHeightRight; 467 468 mDrawableRight = mDrawableError; 469 mDrawableSizeRight = mDrawableSizeError; 470 mDrawableHeightRight = mDrawableHeightError; 471 break; 472 } 473 } 474 } 475 } 476 477 Drawables mDrawables; 478 479 private CharWrapper mCharWrapper; 480 481 private Marquee mMarquee; 482 private boolean mRestartMarquee; 483 484 private int mMarqueeRepeatLimit = 3; 485 486 private int mLastLayoutDirection = -1; 487 488 /** 489 * On some devices the fading edges add a performance penalty if used 490 * extensively in the same layout. This mode indicates how the marquee 491 * is currently being shown, if applicable. (mEllipsize will == MARQUEE) 492 */ 493 private int mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 494 495 /** 496 * When mMarqueeFadeMode is not MARQUEE_FADE_NORMAL, this stores 497 * the layout that should be used when the mode switches. 498 */ 499 private Layout mSavedMarqueeModeLayout; 500 501 @ViewDebug.ExportedProperty(category = "text") 502 private CharSequence mText; 503 private CharSequence mTransformed; 504 private BufferType mBufferType = BufferType.NORMAL; 505 506 private CharSequence mHint; 507 private Layout mHintLayout; 508 509 private MovementMethod mMovement; 510 511 private TransformationMethod mTransformation; 512 private boolean mAllowTransformationLengthChange; 513 private ChangeWatcher mChangeWatcher; 514 515 private ArrayList<TextWatcher> mListeners; 516 517 // display attributes 518 private final TextPaint mTextPaint; 519 private boolean mUserSetTextScaleX; 520 private Layout mLayout; 521 522 private int mGravity = Gravity.TOP | Gravity.START; 523 private boolean mHorizontallyScrolling; 524 525 private int mAutoLinkMask; 526 private boolean mLinksClickable = true; 527 528 private float mSpacingMult = 1.0f; 529 private float mSpacingAdd = 0.0f; 530 531 private int mMaximum = Integer.MAX_VALUE; 532 private int mMaxMode = LINES; 533 private int mMinimum = 0; 534 private int mMinMode = LINES; 535 536 private int mOldMaximum = mMaximum; 537 private int mOldMaxMode = mMaxMode; 538 539 private int mMaxWidth = Integer.MAX_VALUE; 540 private int mMaxWidthMode = PIXELS; 541 private int mMinWidth = 0; 542 private int mMinWidthMode = PIXELS; 543 544 private boolean mSingleLine; 545 private int mDesiredHeightAtMeasure = -1; 546 private boolean mIncludePad = true; 547 private int mDeferScroll = -1; 548 549 // tmp primitives, so we don't alloc them on each draw 550 private Rect mTempRect; 551 private long mLastScroll; 552 private Scroller mScroller; 553 554 private BoringLayout.Metrics mBoring, mHintBoring; 555 private BoringLayout mSavedLayout, mSavedHintLayout; 556 557 private TextDirectionHeuristic mTextDir; 558 559 private InputFilter[] mFilters = NO_FILTERS; 560 561 private volatile Locale mCurrentSpellCheckerLocaleCache; 562 563 // It is possible to have a selection even when mEditor is null (programmatically set, like when 564 // a link is pressed). These highlight-related fields do not go in mEditor. 565 int mHighlightColor = 0x6633B5E5; 566 private Path mHighlightPath; 567 private final Paint mHighlightPaint; 568 private boolean mHighlightPathBogus = true; 569 570 // Although these fields are specific to editable text, they are not added to Editor because 571 // they are defined by the TextView's style and are theme-dependent. 572 int mCursorDrawableRes; 573 // These four fields, could be moved to Editor, since we know their default values and we 574 // could condition the creation of the Editor to a non standard value. This is however 575 // brittle since the hardcoded values here (such as 576 // com.android.internal.R.drawable.text_select_handle_left) would have to be updated if the 577 // default style is modified. 578 int mTextSelectHandleLeftRes; 579 int mTextSelectHandleRightRes; 580 int mTextSelectHandleRes; 581 int mTextEditSuggestionItemLayout; 582 583 /** 584 * EditText specific data, created on demand when one of the Editor fields is used. 585 * See {@link #createEditorIfNeeded()}. 586 */ 587 private Editor mEditor; 588 589 /* 590 * Kick-start the font cache for the zygote process (to pay the cost of 591 * initializing freetype for our default font only once). 592 */ 593 static { 594 Paint p = new Paint(); 595 p.setAntiAlias(true); 596 // We don't care about the result, just the side-effect of measuring. 597 p.measureText("H"); 598 } 599 600 /** 601 * Interface definition for a callback to be invoked when an action is 602 * performed on the editor. 603 */ 604 public interface OnEditorActionListener { 605 /** 606 * Called when an action is being performed. 607 * 608 * @param v The view that was clicked. 609 * @param actionId Identifier of the action. This will be either the 610 * identifier you supplied, or {@link EditorInfo#IME_NULL 611 * EditorInfo.IME_NULL} if being called due to the enter key 612 * being pressed. 613 * @param event If triggered by an enter key, this is the event; 614 * otherwise, this is null. 615 * @return Return true if you have consumed the action, else false. 616 */ 617 boolean onEditorAction(TextView v, int actionId, KeyEvent event); 618 } 619 620 public TextView(Context context) { 621 this(context, null); 622 } 623 624 public TextView(Context context, AttributeSet attrs) { 625 this(context, attrs, com.android.internal.R.attr.textViewStyle); 626 } 627 628 public TextView(Context context, AttributeSet attrs, int defStyleAttr) { 629 this(context, attrs, defStyleAttr, 0); 630 } 631 632 @SuppressWarnings("deprecation") 633 public TextView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 634 super(context, attrs, defStyleAttr, defStyleRes); 635 636 mText = ""; 637 638 final Resources res = getResources(); 639 final CompatibilityInfo compat = res.getCompatibilityInfo(); 640 641 mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); 642 mTextPaint.density = res.getDisplayMetrics().density; 643 mTextPaint.setCompatibilityScaling(compat.applicationScale); 644 645 mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 646 mHighlightPaint.setCompatibilityScaling(compat.applicationScale); 647 648 mMovement = getDefaultMovementMethod(); 649 650 mTransformation = null; 651 652 int textColorHighlight = 0; 653 ColorStateList textColor = null; 654 ColorStateList textColorHint = null; 655 ColorStateList textColorLink = null; 656 int textSize = 15; 657 String fontFamily = null; 658 int typefaceIndex = -1; 659 int styleIndex = -1; 660 boolean allCaps = false; 661 int shadowcolor = 0; 662 float dx = 0, dy = 0, r = 0; 663 boolean elegant = false; 664 float letterSpacing = 0; 665 String fontFeatureSettings = null; 666 667 final Resources.Theme theme = context.getTheme(); 668 669 /* 670 * Look the appearance up without checking first if it exists because 671 * almost every TextView has one and it greatly simplifies the logic 672 * to be able to parse the appearance first and then let specific tags 673 * for this View override it. 674 */ 675 TypedArray a = theme.obtainStyledAttributes(attrs, 676 com.android.internal.R.styleable.TextViewAppearance, defStyleAttr, defStyleRes); 677 TypedArray appearance = null; 678 int ap = a.getResourceId( 679 com.android.internal.R.styleable.TextViewAppearance_textAppearance, -1); 680 a.recycle(); 681 if (ap != -1) { 682 appearance = theme.obtainStyledAttributes( 683 ap, com.android.internal.R.styleable.TextAppearance); 684 } 685 if (appearance != null) { 686 int n = appearance.getIndexCount(); 687 for (int i = 0; i < n; i++) { 688 int attr = appearance.getIndex(i); 689 690 switch (attr) { 691 case com.android.internal.R.styleable.TextAppearance_textColorHighlight: 692 textColorHighlight = appearance.getColor(attr, textColorHighlight); 693 break; 694 695 case com.android.internal.R.styleable.TextAppearance_textColor: 696 textColor = appearance.getColorStateList(attr); 697 break; 698 699 case com.android.internal.R.styleable.TextAppearance_textColorHint: 700 textColorHint = appearance.getColorStateList(attr); 701 break; 702 703 case com.android.internal.R.styleable.TextAppearance_textColorLink: 704 textColorLink = appearance.getColorStateList(attr); 705 break; 706 707 case com.android.internal.R.styleable.TextAppearance_textSize: 708 textSize = appearance.getDimensionPixelSize(attr, textSize); 709 break; 710 711 case com.android.internal.R.styleable.TextAppearance_typeface: 712 typefaceIndex = appearance.getInt(attr, -1); 713 break; 714 715 case com.android.internal.R.styleable.TextAppearance_fontFamily: 716 fontFamily = appearance.getString(attr); 717 break; 718 719 case com.android.internal.R.styleable.TextAppearance_textStyle: 720 styleIndex = appearance.getInt(attr, -1); 721 break; 722 723 case com.android.internal.R.styleable.TextAppearance_textAllCaps: 724 allCaps = appearance.getBoolean(attr, false); 725 break; 726 727 case com.android.internal.R.styleable.TextAppearance_shadowColor: 728 shadowcolor = appearance.getInt(attr, 0); 729 break; 730 731 case com.android.internal.R.styleable.TextAppearance_shadowDx: 732 dx = appearance.getFloat(attr, 0); 733 break; 734 735 case com.android.internal.R.styleable.TextAppearance_shadowDy: 736 dy = appearance.getFloat(attr, 0); 737 break; 738 739 case com.android.internal.R.styleable.TextAppearance_shadowRadius: 740 r = appearance.getFloat(attr, 0); 741 break; 742 743 case com.android.internal.R.styleable.TextAppearance_elegantTextHeight: 744 elegant = appearance.getBoolean(attr, false); 745 break; 746 747 case com.android.internal.R.styleable.TextAppearance_letterSpacing: 748 letterSpacing = appearance.getFloat(attr, 0); 749 break; 750 751 case com.android.internal.R.styleable.TextAppearance_fontFeatureSettings: 752 fontFeatureSettings = appearance.getString(attr); 753 break; 754 } 755 } 756 757 appearance.recycle(); 758 } 759 760 boolean editable = getDefaultEditable(); 761 CharSequence inputMethod = null; 762 int numeric = 0; 763 CharSequence digits = null; 764 boolean phone = false; 765 boolean autotext = false; 766 int autocap = -1; 767 int buffertype = 0; 768 boolean selectallonfocus = false; 769 Drawable drawableLeft = null, drawableTop = null, drawableRight = null, 770 drawableBottom = null, drawableStart = null, drawableEnd = null; 771 int drawablePadding = 0; 772 int ellipsize = -1; 773 boolean singleLine = false; 774 int maxlength = -1; 775 CharSequence text = ""; 776 CharSequence hint = null; 777 boolean password = false; 778 int inputType = EditorInfo.TYPE_NULL; 779 780 a = theme.obtainStyledAttributes( 781 attrs, com.android.internal.R.styleable.TextView, defStyleAttr, defStyleRes); 782 783 int n = a.getIndexCount(); 784 for (int i = 0; i < n; i++) { 785 int attr = a.getIndex(i); 786 787 switch (attr) { 788 case com.android.internal.R.styleable.TextView_editable: 789 editable = a.getBoolean(attr, editable); 790 break; 791 792 case com.android.internal.R.styleable.TextView_inputMethod: 793 inputMethod = a.getText(attr); 794 break; 795 796 case com.android.internal.R.styleable.TextView_numeric: 797 numeric = a.getInt(attr, numeric); 798 break; 799 800 case com.android.internal.R.styleable.TextView_digits: 801 digits = a.getText(attr); 802 break; 803 804 case com.android.internal.R.styleable.TextView_phoneNumber: 805 phone = a.getBoolean(attr, phone); 806 break; 807 808 case com.android.internal.R.styleable.TextView_autoText: 809 autotext = a.getBoolean(attr, autotext); 810 break; 811 812 case com.android.internal.R.styleable.TextView_capitalize: 813 autocap = a.getInt(attr, autocap); 814 break; 815 816 case com.android.internal.R.styleable.TextView_bufferType: 817 buffertype = a.getInt(attr, buffertype); 818 break; 819 820 case com.android.internal.R.styleable.TextView_selectAllOnFocus: 821 selectallonfocus = a.getBoolean(attr, selectallonfocus); 822 break; 823 824 case com.android.internal.R.styleable.TextView_autoLink: 825 mAutoLinkMask = a.getInt(attr, 0); 826 break; 827 828 case com.android.internal.R.styleable.TextView_linksClickable: 829 mLinksClickable = a.getBoolean(attr, true); 830 break; 831 832 case com.android.internal.R.styleable.TextView_drawableLeft: 833 drawableLeft = a.getDrawable(attr); 834 break; 835 836 case com.android.internal.R.styleable.TextView_drawableTop: 837 drawableTop = a.getDrawable(attr); 838 break; 839 840 case com.android.internal.R.styleable.TextView_drawableRight: 841 drawableRight = a.getDrawable(attr); 842 break; 843 844 case com.android.internal.R.styleable.TextView_drawableBottom: 845 drawableBottom = a.getDrawable(attr); 846 break; 847 848 case com.android.internal.R.styleable.TextView_drawableStart: 849 drawableStart = a.getDrawable(attr); 850 break; 851 852 case com.android.internal.R.styleable.TextView_drawableEnd: 853 drawableEnd = a.getDrawable(attr); 854 break; 855 856 case com.android.internal.R.styleable.TextView_drawablePadding: 857 drawablePadding = a.getDimensionPixelSize(attr, drawablePadding); 858 break; 859 860 case com.android.internal.R.styleable.TextView_maxLines: 861 setMaxLines(a.getInt(attr, -1)); 862 break; 863 864 case com.android.internal.R.styleable.TextView_maxHeight: 865 setMaxHeight(a.getDimensionPixelSize(attr, -1)); 866 break; 867 868 case com.android.internal.R.styleable.TextView_lines: 869 setLines(a.getInt(attr, -1)); 870 break; 871 872 case com.android.internal.R.styleable.TextView_height: 873 setHeight(a.getDimensionPixelSize(attr, -1)); 874 break; 875 876 case com.android.internal.R.styleable.TextView_minLines: 877 setMinLines(a.getInt(attr, -1)); 878 break; 879 880 case com.android.internal.R.styleable.TextView_minHeight: 881 setMinHeight(a.getDimensionPixelSize(attr, -1)); 882 break; 883 884 case com.android.internal.R.styleable.TextView_maxEms: 885 setMaxEms(a.getInt(attr, -1)); 886 break; 887 888 case com.android.internal.R.styleable.TextView_maxWidth: 889 setMaxWidth(a.getDimensionPixelSize(attr, -1)); 890 break; 891 892 case com.android.internal.R.styleable.TextView_ems: 893 setEms(a.getInt(attr, -1)); 894 break; 895 896 case com.android.internal.R.styleable.TextView_width: 897 setWidth(a.getDimensionPixelSize(attr, -1)); 898 break; 899 900 case com.android.internal.R.styleable.TextView_minEms: 901 setMinEms(a.getInt(attr, -1)); 902 break; 903 904 case com.android.internal.R.styleable.TextView_minWidth: 905 setMinWidth(a.getDimensionPixelSize(attr, -1)); 906 break; 907 908 case com.android.internal.R.styleable.TextView_gravity: 909 setGravity(a.getInt(attr, -1)); 910 break; 911 912 case com.android.internal.R.styleable.TextView_hint: 913 hint = a.getText(attr); 914 break; 915 916 case com.android.internal.R.styleable.TextView_text: 917 text = a.getText(attr); 918 break; 919 920 case com.android.internal.R.styleable.TextView_scrollHorizontally: 921 if (a.getBoolean(attr, false)) { 922 setHorizontallyScrolling(true); 923 } 924 break; 925 926 case com.android.internal.R.styleable.TextView_singleLine: 927 singleLine = a.getBoolean(attr, singleLine); 928 break; 929 930 case com.android.internal.R.styleable.TextView_ellipsize: 931 ellipsize = a.getInt(attr, ellipsize); 932 break; 933 934 case com.android.internal.R.styleable.TextView_marqueeRepeatLimit: 935 setMarqueeRepeatLimit(a.getInt(attr, mMarqueeRepeatLimit)); 936 break; 937 938 case com.android.internal.R.styleable.TextView_includeFontPadding: 939 if (!a.getBoolean(attr, true)) { 940 setIncludeFontPadding(false); 941 } 942 break; 943 944 case com.android.internal.R.styleable.TextView_cursorVisible: 945 if (!a.getBoolean(attr, true)) { 946 setCursorVisible(false); 947 } 948 break; 949 950 case com.android.internal.R.styleable.TextView_maxLength: 951 maxlength = a.getInt(attr, -1); 952 break; 953 954 case com.android.internal.R.styleable.TextView_textScaleX: 955 setTextScaleX(a.getFloat(attr, 1.0f)); 956 break; 957 958 case com.android.internal.R.styleable.TextView_freezesText: 959 mFreezesText = a.getBoolean(attr, false); 960 break; 961 962 case com.android.internal.R.styleable.TextView_shadowColor: 963 shadowcolor = a.getInt(attr, 0); 964 break; 965 966 case com.android.internal.R.styleable.TextView_shadowDx: 967 dx = a.getFloat(attr, 0); 968 break; 969 970 case com.android.internal.R.styleable.TextView_shadowDy: 971 dy = a.getFloat(attr, 0); 972 break; 973 974 case com.android.internal.R.styleable.TextView_shadowRadius: 975 r = a.getFloat(attr, 0); 976 break; 977 978 case com.android.internal.R.styleable.TextView_enabled: 979 setEnabled(a.getBoolean(attr, isEnabled())); 980 break; 981 982 case com.android.internal.R.styleable.TextView_textColorHighlight: 983 textColorHighlight = a.getColor(attr, textColorHighlight); 984 break; 985 986 case com.android.internal.R.styleable.TextView_textColor: 987 textColor = a.getColorStateList(attr); 988 break; 989 990 case com.android.internal.R.styleable.TextView_textColorHint: 991 textColorHint = a.getColorStateList(attr); 992 break; 993 994 case com.android.internal.R.styleable.TextView_textColorLink: 995 textColorLink = a.getColorStateList(attr); 996 break; 997 998 case com.android.internal.R.styleable.TextView_textSize: 999 textSize = a.getDimensionPixelSize(attr, textSize); 1000 break; 1001 1002 case com.android.internal.R.styleable.TextView_typeface: 1003 typefaceIndex = a.getInt(attr, typefaceIndex); 1004 break; 1005 1006 case com.android.internal.R.styleable.TextView_textStyle: 1007 styleIndex = a.getInt(attr, styleIndex); 1008 break; 1009 1010 case com.android.internal.R.styleable.TextView_fontFamily: 1011 fontFamily = a.getString(attr); 1012 break; 1013 1014 case com.android.internal.R.styleable.TextView_password: 1015 password = a.getBoolean(attr, password); 1016 break; 1017 1018 case com.android.internal.R.styleable.TextView_lineSpacingExtra: 1019 mSpacingAdd = a.getDimensionPixelSize(attr, (int) mSpacingAdd); 1020 break; 1021 1022 case com.android.internal.R.styleable.TextView_lineSpacingMultiplier: 1023 mSpacingMult = a.getFloat(attr, mSpacingMult); 1024 break; 1025 1026 case com.android.internal.R.styleable.TextView_inputType: 1027 inputType = a.getInt(attr, EditorInfo.TYPE_NULL); 1028 break; 1029 1030 case com.android.internal.R.styleable.TextView_imeOptions: 1031 createEditorIfNeeded(); 1032 mEditor.createInputContentTypeIfNeeded(); 1033 mEditor.mInputContentType.imeOptions = a.getInt(attr, 1034 mEditor.mInputContentType.imeOptions); 1035 break; 1036 1037 case com.android.internal.R.styleable.TextView_imeActionLabel: 1038 createEditorIfNeeded(); 1039 mEditor.createInputContentTypeIfNeeded(); 1040 mEditor.mInputContentType.imeActionLabel = a.getText(attr); 1041 break; 1042 1043 case com.android.internal.R.styleable.TextView_imeActionId: 1044 createEditorIfNeeded(); 1045 mEditor.createInputContentTypeIfNeeded(); 1046 mEditor.mInputContentType.imeActionId = a.getInt(attr, 1047 mEditor.mInputContentType.imeActionId); 1048 break; 1049 1050 case com.android.internal.R.styleable.TextView_privateImeOptions: 1051 setPrivateImeOptions(a.getString(attr)); 1052 break; 1053 1054 case com.android.internal.R.styleable.TextView_editorExtras: 1055 try { 1056 setInputExtras(a.getResourceId(attr, 0)); 1057 } catch (XmlPullParserException e) { 1058 Log.w(LOG_TAG, "Failure reading input extras", e); 1059 } catch (IOException e) { 1060 Log.w(LOG_TAG, "Failure reading input extras", e); 1061 } 1062 break; 1063 1064 case com.android.internal.R.styleable.TextView_textCursorDrawable: 1065 mCursorDrawableRes = a.getResourceId(attr, 0); 1066 break; 1067 1068 case com.android.internal.R.styleable.TextView_textSelectHandleLeft: 1069 mTextSelectHandleLeftRes = a.getResourceId(attr, 0); 1070 break; 1071 1072 case com.android.internal.R.styleable.TextView_textSelectHandleRight: 1073 mTextSelectHandleRightRes = a.getResourceId(attr, 0); 1074 break; 1075 1076 case com.android.internal.R.styleable.TextView_textSelectHandle: 1077 mTextSelectHandleRes = a.getResourceId(attr, 0); 1078 break; 1079 1080 case com.android.internal.R.styleable.TextView_textEditSuggestionItemLayout: 1081 mTextEditSuggestionItemLayout = a.getResourceId(attr, 0); 1082 break; 1083 1084 case com.android.internal.R.styleable.TextView_textIsSelectable: 1085 setTextIsSelectable(a.getBoolean(attr, false)); 1086 break; 1087 1088 case com.android.internal.R.styleable.TextView_textAllCaps: 1089 allCaps = a.getBoolean(attr, false); 1090 break; 1091 1092 case com.android.internal.R.styleable.TextView_elegantTextHeight: 1093 elegant = a.getBoolean(attr, false); 1094 break; 1095 1096 case com.android.internal.R.styleable.TextView_letterSpacing: 1097 letterSpacing = a.getFloat(attr, 0); 1098 break; 1099 1100 case com.android.internal.R.styleable.TextView_fontFeatureSettings: 1101 fontFeatureSettings = a.getString(attr); 1102 break; 1103 } 1104 } 1105 a.recycle(); 1106 1107 BufferType bufferType = BufferType.EDITABLE; 1108 1109 final int variation = 1110 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 1111 final boolean passwordInputType = variation 1112 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD); 1113 final boolean webPasswordInputType = variation 1114 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD); 1115 final boolean numberPasswordInputType = variation 1116 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 1117 1118 if (inputMethod != null) { 1119 Class<?> c; 1120 1121 try { 1122 c = Class.forName(inputMethod.toString()); 1123 } catch (ClassNotFoundException ex) { 1124 throw new RuntimeException(ex); 1125 } 1126 1127 try { 1128 createEditorIfNeeded(); 1129 mEditor.mKeyListener = (KeyListener) c.newInstance(); 1130 } catch (InstantiationException ex) { 1131 throw new RuntimeException(ex); 1132 } catch (IllegalAccessException ex) { 1133 throw new RuntimeException(ex); 1134 } 1135 try { 1136 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1137 ? inputType 1138 : mEditor.mKeyListener.getInputType(); 1139 } catch (IncompatibleClassChangeError e) { 1140 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1141 } 1142 } else if (digits != null) { 1143 createEditorIfNeeded(); 1144 mEditor.mKeyListener = DigitsKeyListener.getInstance(digits.toString()); 1145 // If no input type was specified, we will default to generic 1146 // text, since we can't tell the IME about the set of digits 1147 // that was selected. 1148 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1149 ? inputType : EditorInfo.TYPE_CLASS_TEXT; 1150 } else if (inputType != EditorInfo.TYPE_NULL) { 1151 setInputType(inputType, true); 1152 // If set, the input type overrides what was set using the deprecated singleLine flag. 1153 singleLine = !isMultilineInputType(inputType); 1154 } else if (phone) { 1155 createEditorIfNeeded(); 1156 mEditor.mKeyListener = DialerKeyListener.getInstance(); 1157 mEditor.mInputType = inputType = EditorInfo.TYPE_CLASS_PHONE; 1158 } else if (numeric != 0) { 1159 createEditorIfNeeded(); 1160 mEditor.mKeyListener = DigitsKeyListener.getInstance((numeric & SIGNED) != 0, 1161 (numeric & DECIMAL) != 0); 1162 inputType = EditorInfo.TYPE_CLASS_NUMBER; 1163 if ((numeric & SIGNED) != 0) { 1164 inputType |= EditorInfo.TYPE_NUMBER_FLAG_SIGNED; 1165 } 1166 if ((numeric & DECIMAL) != 0) { 1167 inputType |= EditorInfo.TYPE_NUMBER_FLAG_DECIMAL; 1168 } 1169 mEditor.mInputType = inputType; 1170 } else if (autotext || autocap != -1) { 1171 TextKeyListener.Capitalize cap; 1172 1173 inputType = EditorInfo.TYPE_CLASS_TEXT; 1174 1175 switch (autocap) { 1176 case 1: 1177 cap = TextKeyListener.Capitalize.SENTENCES; 1178 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES; 1179 break; 1180 1181 case 2: 1182 cap = TextKeyListener.Capitalize.WORDS; 1183 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS; 1184 break; 1185 1186 case 3: 1187 cap = TextKeyListener.Capitalize.CHARACTERS; 1188 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS; 1189 break; 1190 1191 default: 1192 cap = TextKeyListener.Capitalize.NONE; 1193 break; 1194 } 1195 1196 createEditorIfNeeded(); 1197 mEditor.mKeyListener = TextKeyListener.getInstance(autotext, cap); 1198 mEditor.mInputType = inputType; 1199 } else if (isTextSelectable()) { 1200 // Prevent text changes from keyboard. 1201 if (mEditor != null) { 1202 mEditor.mKeyListener = null; 1203 mEditor.mInputType = EditorInfo.TYPE_NULL; 1204 } 1205 bufferType = BufferType.SPANNABLE; 1206 // So that selection can be changed using arrow keys and touch is handled. 1207 setMovementMethod(ArrowKeyMovementMethod.getInstance()); 1208 } else if (editable) { 1209 createEditorIfNeeded(); 1210 mEditor.mKeyListener = TextKeyListener.getInstance(); 1211 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1212 } else { 1213 if (mEditor != null) mEditor.mKeyListener = null; 1214 1215 switch (buffertype) { 1216 case 0: 1217 bufferType = BufferType.NORMAL; 1218 break; 1219 case 1: 1220 bufferType = BufferType.SPANNABLE; 1221 break; 1222 case 2: 1223 bufferType = BufferType.EDITABLE; 1224 break; 1225 } 1226 } 1227 1228 if (mEditor != null) mEditor.adjustInputType(password, passwordInputType, 1229 webPasswordInputType, numberPasswordInputType); 1230 1231 if (selectallonfocus) { 1232 createEditorIfNeeded(); 1233 mEditor.mSelectAllOnFocus = true; 1234 1235 if (bufferType == BufferType.NORMAL) 1236 bufferType = BufferType.SPANNABLE; 1237 } 1238 1239 // This call will save the initial left/right drawables 1240 setCompoundDrawablesWithIntrinsicBounds( 1241 drawableLeft, drawableTop, drawableRight, drawableBottom); 1242 setRelativeDrawablesIfNeeded(drawableStart, drawableEnd); 1243 setCompoundDrawablePadding(drawablePadding); 1244 1245 // Same as setSingleLine(), but make sure the transformation method and the maximum number 1246 // of lines of height are unchanged for multi-line TextViews. 1247 setInputTypeSingleLine(singleLine); 1248 applySingleLine(singleLine, singleLine, singleLine); 1249 1250 if (singleLine && getKeyListener() == null && ellipsize < 0) { 1251 ellipsize = 3; // END 1252 } 1253 1254 switch (ellipsize) { 1255 case 1: 1256 setEllipsize(TextUtils.TruncateAt.START); 1257 break; 1258 case 2: 1259 setEllipsize(TextUtils.TruncateAt.MIDDLE); 1260 break; 1261 case 3: 1262 setEllipsize(TextUtils.TruncateAt.END); 1263 break; 1264 case 4: 1265 if (ViewConfiguration.get(context).isFadingMarqueeEnabled()) { 1266 setHorizontalFadingEdgeEnabled(true); 1267 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 1268 } else { 1269 setHorizontalFadingEdgeEnabled(false); 1270 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 1271 } 1272 setEllipsize(TextUtils.TruncateAt.MARQUEE); 1273 break; 1274 } 1275 1276 setTextColor(textColor != null ? textColor : ColorStateList.valueOf(0xFF000000)); 1277 setHintTextColor(textColorHint); 1278 setLinkTextColor(textColorLink); 1279 if (textColorHighlight != 0) { 1280 setHighlightColor(textColorHighlight); 1281 } 1282 setRawTextSize(textSize); 1283 setElegantTextHeight(elegant); 1284 setLetterSpacing(letterSpacing); 1285 setFontFeatureSettings(fontFeatureSettings); 1286 1287 if (allCaps) { 1288 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 1289 } 1290 1291 if (password || passwordInputType || webPasswordInputType || numberPasswordInputType) { 1292 setTransformationMethod(PasswordTransformationMethod.getInstance()); 1293 typefaceIndex = MONOSPACE; 1294 } else if (mEditor != null && 1295 (mEditor.mInputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION)) 1296 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) { 1297 typefaceIndex = MONOSPACE; 1298 } 1299 1300 setTypefaceFromAttrs(fontFamily, typefaceIndex, styleIndex); 1301 1302 if (shadowcolor != 0) { 1303 setShadowLayer(r, dx, dy, shadowcolor); 1304 } 1305 1306 if (maxlength >= 0) { 1307 setFilters(new InputFilter[] { new InputFilter.LengthFilter(maxlength) }); 1308 } else { 1309 setFilters(NO_FILTERS); 1310 } 1311 1312 setText(text, bufferType); 1313 if (hint != null) setHint(hint); 1314 1315 /* 1316 * Views are not normally focusable unless specified to be. 1317 * However, TextViews that have input or movement methods *are* 1318 * focusable by default. 1319 */ 1320 a = context.obtainStyledAttributes( 1321 attrs, com.android.internal.R.styleable.View, defStyleAttr, defStyleRes); 1322 1323 boolean focusable = mMovement != null || getKeyListener() != null; 1324 boolean clickable = focusable || isClickable(); 1325 boolean longClickable = focusable || isLongClickable(); 1326 1327 n = a.getIndexCount(); 1328 for (int i = 0; i < n; i++) { 1329 int attr = a.getIndex(i); 1330 1331 switch (attr) { 1332 case com.android.internal.R.styleable.View_focusable: 1333 focusable = a.getBoolean(attr, focusable); 1334 break; 1335 1336 case com.android.internal.R.styleable.View_clickable: 1337 clickable = a.getBoolean(attr, clickable); 1338 break; 1339 1340 case com.android.internal.R.styleable.View_longClickable: 1341 longClickable = a.getBoolean(attr, longClickable); 1342 break; 1343 } 1344 } 1345 a.recycle(); 1346 1347 setFocusable(focusable); 1348 setClickable(clickable); 1349 setLongClickable(longClickable); 1350 1351 if (mEditor != null) mEditor.prepareCursorControllers(); 1352 1353 // If not explicitly specified this view is important for accessibility. 1354 if (getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 1355 setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 1356 } 1357 } 1358 1359 private void setTypefaceFromAttrs(String familyName, int typefaceIndex, int styleIndex) { 1360 Typeface tf = null; 1361 if (familyName != null) { 1362 tf = Typeface.create(familyName, styleIndex); 1363 if (tf != null) { 1364 setTypeface(tf); 1365 return; 1366 } 1367 } 1368 switch (typefaceIndex) { 1369 case SANS: 1370 tf = Typeface.SANS_SERIF; 1371 break; 1372 1373 case SERIF: 1374 tf = Typeface.SERIF; 1375 break; 1376 1377 case MONOSPACE: 1378 tf = Typeface.MONOSPACE; 1379 break; 1380 } 1381 1382 setTypeface(tf, styleIndex); 1383 } 1384 1385 private void setRelativeDrawablesIfNeeded(Drawable start, Drawable end) { 1386 boolean hasRelativeDrawables = (start != null) || (end != null); 1387 if (hasRelativeDrawables) { 1388 Drawables dr = mDrawables; 1389 if (dr == null) { 1390 mDrawables = dr = new Drawables(getContext()); 1391 } 1392 mDrawables.mOverride = true; 1393 final Rect compoundRect = dr.mCompoundRect; 1394 int[] state = getDrawableState(); 1395 if (start != null) { 1396 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 1397 start.setState(state); 1398 start.copyBounds(compoundRect); 1399 start.setCallback(this); 1400 1401 dr.mDrawableStart = start; 1402 dr.mDrawableSizeStart = compoundRect.width(); 1403 dr.mDrawableHeightStart = compoundRect.height(); 1404 } else { 1405 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 1406 } 1407 if (end != null) { 1408 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 1409 end.setState(state); 1410 end.copyBounds(compoundRect); 1411 end.setCallback(this); 1412 1413 dr.mDrawableEnd = end; 1414 dr.mDrawableSizeEnd = compoundRect.width(); 1415 dr.mDrawableHeightEnd = compoundRect.height(); 1416 } else { 1417 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 1418 } 1419 resetResolvedDrawables(); 1420 resolveDrawables(); 1421 } 1422 } 1423 1424 @Override 1425 public void setEnabled(boolean enabled) { 1426 if (enabled == isEnabled()) { 1427 return; 1428 } 1429 1430 if (!enabled) { 1431 // Hide the soft input if the currently active TextView is disabled 1432 InputMethodManager imm = InputMethodManager.peekInstance(); 1433 if (imm != null && imm.isActive(this)) { 1434 imm.hideSoftInputFromWindow(getWindowToken(), 0); 1435 } 1436 } 1437 1438 super.setEnabled(enabled); 1439 1440 if (enabled) { 1441 // Make sure IME is updated with current editor info. 1442 InputMethodManager imm = InputMethodManager.peekInstance(); 1443 if (imm != null) imm.restartInput(this); 1444 } 1445 1446 // Will change text color 1447 if (mEditor != null) { 1448 mEditor.invalidateTextDisplayList(); 1449 mEditor.prepareCursorControllers(); 1450 1451 // start or stop the cursor blinking as appropriate 1452 mEditor.makeBlink(); 1453 } 1454 } 1455 1456 /** 1457 * Sets the typeface and style in which the text should be displayed, 1458 * and turns on the fake bold and italic bits in the Paint if the 1459 * Typeface that you provided does not have all the bits in the 1460 * style that you specified. 1461 * 1462 * @attr ref android.R.styleable#TextView_typeface 1463 * @attr ref android.R.styleable#TextView_textStyle 1464 */ 1465 public void setTypeface(Typeface tf, int style) { 1466 if (style > 0) { 1467 if (tf == null) { 1468 tf = Typeface.defaultFromStyle(style); 1469 } else { 1470 tf = Typeface.create(tf, style); 1471 } 1472 1473 setTypeface(tf); 1474 // now compute what (if any) algorithmic styling is needed 1475 int typefaceStyle = tf != null ? tf.getStyle() : 0; 1476 int need = style & ~typefaceStyle; 1477 mTextPaint.setFakeBoldText((need & Typeface.BOLD) != 0); 1478 mTextPaint.setTextSkewX((need & Typeface.ITALIC) != 0 ? -0.25f : 0); 1479 } else { 1480 mTextPaint.setFakeBoldText(false); 1481 mTextPaint.setTextSkewX(0); 1482 setTypeface(tf); 1483 } 1484 } 1485 1486 /** 1487 * Subclasses override this to specify that they have a KeyListener 1488 * by default even if not specifically called for in the XML options. 1489 */ 1490 protected boolean getDefaultEditable() { 1491 return false; 1492 } 1493 1494 /** 1495 * Subclasses override this to specify a default movement method. 1496 */ 1497 protected MovementMethod getDefaultMovementMethod() { 1498 return null; 1499 } 1500 1501 /** 1502 * Return the text the TextView is displaying. If setText() was called with 1503 * an argument of BufferType.SPANNABLE or BufferType.EDITABLE, you can cast 1504 * the return value from this method to Spannable or Editable, respectively. 1505 * 1506 * Note: The content of the return value should not be modified. If you want 1507 * a modifiable one, you should make your own copy first. 1508 * 1509 * @attr ref android.R.styleable#TextView_text 1510 */ 1511 @ViewDebug.CapturedViewProperty 1512 public CharSequence getText() { 1513 return mText; 1514 } 1515 1516 /** 1517 * Returns the length, in characters, of the text managed by this TextView 1518 */ 1519 public int length() { 1520 return mText.length(); 1521 } 1522 1523 /** 1524 * Return the text the TextView is displaying as an Editable object. If 1525 * the text is not editable, null is returned. 1526 * 1527 * @see #getText 1528 */ 1529 public Editable getEditableText() { 1530 return (mText instanceof Editable) ? (Editable)mText : null; 1531 } 1532 1533 /** 1534 * @return the height of one standard line in pixels. Note that markup 1535 * within the text can cause individual lines to be taller or shorter 1536 * than this height, and the layout may contain additional first- 1537 * or last-line padding. 1538 */ 1539 public int getLineHeight() { 1540 return FastMath.round(mTextPaint.getFontMetricsInt(null) * mSpacingMult + mSpacingAdd); 1541 } 1542 1543 /** 1544 * @return the Layout that is currently being used to display the text. 1545 * This can be null if the text or width has recently changes. 1546 */ 1547 public final Layout getLayout() { 1548 return mLayout; 1549 } 1550 1551 /** 1552 * @return the Layout that is currently being used to display the hint text. 1553 * This can be null. 1554 */ 1555 final Layout getHintLayout() { 1556 return mHintLayout; 1557 } 1558 1559 /** 1560 * Retrieve the {@link android.content.UndoManager} that is currently associated 1561 * with this TextView. By default there is no associated UndoManager, so null 1562 * is returned. One can be associated with the TextView through 1563 * {@link #setUndoManager(android.content.UndoManager, String)} 1564 * 1565 * @hide 1566 */ 1567 public final UndoManager getUndoManager() { 1568 return mEditor == null ? null : mEditor.mUndoManager; 1569 } 1570 1571 /** 1572 * Associate an {@link android.content.UndoManager} with this TextView. Once 1573 * done, all edit operations on the TextView will result in appropriate 1574 * {@link android.content.UndoOperation} objects pushed on the given UndoManager's 1575 * stack. 1576 * 1577 * @param undoManager The {@link android.content.UndoManager} to associate with 1578 * this TextView, or null to clear any existing association. 1579 * @param tag String tag identifying this particular TextView owner in the 1580 * UndoManager. This is used to keep the correct association with the 1581 * {@link android.content.UndoOwner} of any operations inside of the UndoManager. 1582 * 1583 * @hide 1584 */ 1585 public final void setUndoManager(UndoManager undoManager, String tag) { 1586 if (undoManager != null) { 1587 createEditorIfNeeded(); 1588 mEditor.mUndoManager = undoManager; 1589 mEditor.mUndoOwner = undoManager.getOwner(tag, this); 1590 mEditor.mUndoInputFilter = new Editor.UndoInputFilter(mEditor); 1591 if (!(mText instanceof Editable)) { 1592 setText(mText, BufferType.EDITABLE); 1593 } 1594 1595 setFilters((Editable) mText, mFilters); 1596 } else if (mEditor != null) { 1597 // XXX need to destroy all associated state. 1598 mEditor.mUndoManager = null; 1599 mEditor.mUndoOwner = null; 1600 mEditor.mUndoInputFilter = null; 1601 } 1602 } 1603 1604 /** 1605 * @return the current key listener for this TextView. 1606 * This will frequently be null for non-EditText TextViews. 1607 * 1608 * @attr ref android.R.styleable#TextView_numeric 1609 * @attr ref android.R.styleable#TextView_digits 1610 * @attr ref android.R.styleable#TextView_phoneNumber 1611 * @attr ref android.R.styleable#TextView_inputMethod 1612 * @attr ref android.R.styleable#TextView_capitalize 1613 * @attr ref android.R.styleable#TextView_autoText 1614 */ 1615 public final KeyListener getKeyListener() { 1616 return mEditor == null ? null : mEditor.mKeyListener; 1617 } 1618 1619 /** 1620 * Sets the key listener to be used with this TextView. This can be null 1621 * to disallow user input. Note that this method has significant and 1622 * subtle interactions with soft keyboards and other input method: 1623 * see {@link KeyListener#getInputType() KeyListener.getContentType()} 1624 * for important details. Calling this method will replace the current 1625 * content type of the text view with the content type returned by the 1626 * key listener. 1627 * <p> 1628 * Be warned that if you want a TextView with a key listener or movement 1629 * method not to be focusable, or if you want a TextView without a 1630 * key listener or movement method to be focusable, you must call 1631 * {@link #setFocusable} again after calling this to get the focusability 1632 * back the way you want it. 1633 * 1634 * @attr ref android.R.styleable#TextView_numeric 1635 * @attr ref android.R.styleable#TextView_digits 1636 * @attr ref android.R.styleable#TextView_phoneNumber 1637 * @attr ref android.R.styleable#TextView_inputMethod 1638 * @attr ref android.R.styleable#TextView_capitalize 1639 * @attr ref android.R.styleable#TextView_autoText 1640 */ 1641 public void setKeyListener(KeyListener input) { 1642 setKeyListenerOnly(input); 1643 fixFocusableAndClickableSettings(); 1644 1645 if (input != null) { 1646 createEditorIfNeeded(); 1647 try { 1648 mEditor.mInputType = mEditor.mKeyListener.getInputType(); 1649 } catch (IncompatibleClassChangeError e) { 1650 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1651 } 1652 // Change inputType, without affecting transformation. 1653 // No need to applySingleLine since mSingleLine is unchanged. 1654 setInputTypeSingleLine(mSingleLine); 1655 } else { 1656 if (mEditor != null) mEditor.mInputType = EditorInfo.TYPE_NULL; 1657 } 1658 1659 InputMethodManager imm = InputMethodManager.peekInstance(); 1660 if (imm != null) imm.restartInput(this); 1661 } 1662 1663 private void setKeyListenerOnly(KeyListener input) { 1664 if (mEditor == null && input == null) return; // null is the default value 1665 1666 createEditorIfNeeded(); 1667 if (mEditor.mKeyListener != input) { 1668 mEditor.mKeyListener = input; 1669 if (input != null && !(mText instanceof Editable)) { 1670 setText(mText); 1671 } 1672 1673 setFilters((Editable) mText, mFilters); 1674 } 1675 } 1676 1677 /** 1678 * @return the movement method being used for this TextView. 1679 * This will frequently be null for non-EditText TextViews. 1680 */ 1681 public final MovementMethod getMovementMethod() { 1682 return mMovement; 1683 } 1684 1685 /** 1686 * Sets the movement method (arrow key handler) to be used for 1687 * this TextView. This can be null to disallow using the arrow keys 1688 * to move the cursor or scroll the view. 1689 * <p> 1690 * Be warned that if you want a TextView with a key listener or movement 1691 * method not to be focusable, or if you want a TextView without a 1692 * key listener or movement method to be focusable, you must call 1693 * {@link #setFocusable} again after calling this to get the focusability 1694 * back the way you want it. 1695 */ 1696 public final void setMovementMethod(MovementMethod movement) { 1697 if (mMovement != movement) { 1698 mMovement = movement; 1699 1700 if (movement != null && !(mText instanceof Spannable)) { 1701 setText(mText); 1702 } 1703 1704 fixFocusableAndClickableSettings(); 1705 1706 // SelectionModifierCursorController depends on textCanBeSelected, which depends on 1707 // mMovement 1708 if (mEditor != null) mEditor.prepareCursorControllers(); 1709 } 1710 } 1711 1712 private void fixFocusableAndClickableSettings() { 1713 if (mMovement != null || (mEditor != null && mEditor.mKeyListener != null)) { 1714 setFocusable(true); 1715 setClickable(true); 1716 setLongClickable(true); 1717 } else { 1718 setFocusable(false); 1719 setClickable(false); 1720 setLongClickable(false); 1721 } 1722 } 1723 1724 /** 1725 * @return the current transformation method for this TextView. 1726 * This will frequently be null except for single-line and password 1727 * fields. 1728 * 1729 * @attr ref android.R.styleable#TextView_password 1730 * @attr ref android.R.styleable#TextView_singleLine 1731 */ 1732 public final TransformationMethod getTransformationMethod() { 1733 return mTransformation; 1734 } 1735 1736 /** 1737 * Sets the transformation that is applied to the text that this 1738 * TextView is displaying. 1739 * 1740 * @attr ref android.R.styleable#TextView_password 1741 * @attr ref android.R.styleable#TextView_singleLine 1742 */ 1743 public final void setTransformationMethod(TransformationMethod method) { 1744 if (method == mTransformation) { 1745 // Avoid the setText() below if the transformation is 1746 // the same. 1747 return; 1748 } 1749 if (mTransformation != null) { 1750 if (mText instanceof Spannable) { 1751 ((Spannable) mText).removeSpan(mTransformation); 1752 } 1753 } 1754 1755 mTransformation = method; 1756 1757 if (method instanceof TransformationMethod2) { 1758 TransformationMethod2 method2 = (TransformationMethod2) method; 1759 mAllowTransformationLengthChange = !isTextSelectable() && !(mText instanceof Editable); 1760 method2.setLengthChangesAllowed(mAllowTransformationLengthChange); 1761 } else { 1762 mAllowTransformationLengthChange = false; 1763 } 1764 1765 setText(mText); 1766 1767 if (hasPasswordTransformationMethod()) { 1768 notifyViewAccessibilityStateChangedIfNeeded( 1769 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 1770 } 1771 } 1772 1773 /** 1774 * Returns the top padding of the view, plus space for the top 1775 * Drawable if any. 1776 */ 1777 public int getCompoundPaddingTop() { 1778 final Drawables dr = mDrawables; 1779 if (dr == null || dr.mDrawableTop == null) { 1780 return mPaddingTop; 1781 } else { 1782 return mPaddingTop + dr.mDrawablePadding + dr.mDrawableSizeTop; 1783 } 1784 } 1785 1786 /** 1787 * Returns the bottom padding of the view, plus space for the bottom 1788 * Drawable if any. 1789 */ 1790 public int getCompoundPaddingBottom() { 1791 final Drawables dr = mDrawables; 1792 if (dr == null || dr.mDrawableBottom == null) { 1793 return mPaddingBottom; 1794 } else { 1795 return mPaddingBottom + dr.mDrawablePadding + dr.mDrawableSizeBottom; 1796 } 1797 } 1798 1799 /** 1800 * Returns the left padding of the view, plus space for the left 1801 * Drawable if any. 1802 */ 1803 public int getCompoundPaddingLeft() { 1804 final Drawables dr = mDrawables; 1805 if (dr == null || dr.mDrawableLeft == null) { 1806 return mPaddingLeft; 1807 } else { 1808 return mPaddingLeft + dr.mDrawablePadding + dr.mDrawableSizeLeft; 1809 } 1810 } 1811 1812 /** 1813 * Returns the right padding of the view, plus space for the right 1814 * Drawable if any. 1815 */ 1816 public int getCompoundPaddingRight() { 1817 final Drawables dr = mDrawables; 1818 if (dr == null || dr.mDrawableRight == null) { 1819 return mPaddingRight; 1820 } else { 1821 return mPaddingRight + dr.mDrawablePadding + dr.mDrawableSizeRight; 1822 } 1823 } 1824 1825 /** 1826 * Returns the start padding of the view, plus space for the start 1827 * Drawable if any. 1828 */ 1829 public int getCompoundPaddingStart() { 1830 resolveDrawables(); 1831 switch(getLayoutDirection()) { 1832 default: 1833 case LAYOUT_DIRECTION_LTR: 1834 return getCompoundPaddingLeft(); 1835 case LAYOUT_DIRECTION_RTL: 1836 return getCompoundPaddingRight(); 1837 } 1838 } 1839 1840 /** 1841 * Returns the end padding of the view, plus space for the end 1842 * Drawable if any. 1843 */ 1844 public int getCompoundPaddingEnd() { 1845 resolveDrawables(); 1846 switch(getLayoutDirection()) { 1847 default: 1848 case LAYOUT_DIRECTION_LTR: 1849 return getCompoundPaddingRight(); 1850 case LAYOUT_DIRECTION_RTL: 1851 return getCompoundPaddingLeft(); 1852 } 1853 } 1854 1855 /** 1856 * Returns the extended top padding of the view, including both the 1857 * top Drawable if any and any extra space to keep more than maxLines 1858 * of text from showing. It is only valid to call this after measuring. 1859 */ 1860 public int getExtendedPaddingTop() { 1861 if (mMaxMode != LINES) { 1862 return getCompoundPaddingTop(); 1863 } 1864 1865 if (mLayout == null) { 1866 assumeLayout(); 1867 } 1868 1869 if (mLayout.getLineCount() <= mMaximum) { 1870 return getCompoundPaddingTop(); 1871 } 1872 1873 int top = getCompoundPaddingTop(); 1874 int bottom = getCompoundPaddingBottom(); 1875 int viewht = getHeight() - top - bottom; 1876 int layoutht = mLayout.getLineTop(mMaximum); 1877 1878 if (layoutht >= viewht) { 1879 return top; 1880 } 1881 1882 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1883 if (gravity == Gravity.TOP) { 1884 return top; 1885 } else if (gravity == Gravity.BOTTOM) { 1886 return top + viewht - layoutht; 1887 } else { // (gravity == Gravity.CENTER_VERTICAL) 1888 return top + (viewht - layoutht) / 2; 1889 } 1890 } 1891 1892 /** 1893 * Returns the extended bottom padding of the view, including both the 1894 * bottom Drawable if any and any extra space to keep more than maxLines 1895 * of text from showing. It is only valid to call this after measuring. 1896 */ 1897 public int getExtendedPaddingBottom() { 1898 if (mMaxMode != LINES) { 1899 return getCompoundPaddingBottom(); 1900 } 1901 1902 if (mLayout == null) { 1903 assumeLayout(); 1904 } 1905 1906 if (mLayout.getLineCount() <= mMaximum) { 1907 return getCompoundPaddingBottom(); 1908 } 1909 1910 int top = getCompoundPaddingTop(); 1911 int bottom = getCompoundPaddingBottom(); 1912 int viewht = getHeight() - top - bottom; 1913 int layoutht = mLayout.getLineTop(mMaximum); 1914 1915 if (layoutht >= viewht) { 1916 return bottom; 1917 } 1918 1919 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1920 if (gravity == Gravity.TOP) { 1921 return bottom + viewht - layoutht; 1922 } else if (gravity == Gravity.BOTTOM) { 1923 return bottom; 1924 } else { // (gravity == Gravity.CENTER_VERTICAL) 1925 return bottom + (viewht - layoutht) / 2; 1926 } 1927 } 1928 1929 /** 1930 * Returns the total left padding of the view, including the left 1931 * Drawable if any. 1932 */ 1933 public int getTotalPaddingLeft() { 1934 return getCompoundPaddingLeft(); 1935 } 1936 1937 /** 1938 * Returns the total right padding of the view, including the right 1939 * Drawable if any. 1940 */ 1941 public int getTotalPaddingRight() { 1942 return getCompoundPaddingRight(); 1943 } 1944 1945 /** 1946 * Returns the total start padding of the view, including the start 1947 * Drawable if any. 1948 */ 1949 public int getTotalPaddingStart() { 1950 return getCompoundPaddingStart(); 1951 } 1952 1953 /** 1954 * Returns the total end padding of the view, including the end 1955 * Drawable if any. 1956 */ 1957 public int getTotalPaddingEnd() { 1958 return getCompoundPaddingEnd(); 1959 } 1960 1961 /** 1962 * Returns the total top padding of the view, including the top 1963 * Drawable if any, the extra space to keep more than maxLines 1964 * from showing, and the vertical offset for gravity, if any. 1965 */ 1966 public int getTotalPaddingTop() { 1967 return getExtendedPaddingTop() + getVerticalOffset(true); 1968 } 1969 1970 /** 1971 * Returns the total bottom padding of the view, including the bottom 1972 * Drawable if any, the extra space to keep more than maxLines 1973 * from showing, and the vertical offset for gravity, if any. 1974 */ 1975 public int getTotalPaddingBottom() { 1976 return getExtendedPaddingBottom() + getBottomVerticalOffset(true); 1977 } 1978 1979 /** 1980 * Sets the Drawables (if any) to appear to the left of, above, to the 1981 * right of, and below the text. Use {@code null} if you do not want a 1982 * Drawable there. The Drawables must already have had 1983 * {@link Drawable#setBounds} called. 1984 * <p> 1985 * Calling this method will overwrite any Drawables previously set using 1986 * {@link #setCompoundDrawablesRelative} or related methods. 1987 * 1988 * @attr ref android.R.styleable#TextView_drawableLeft 1989 * @attr ref android.R.styleable#TextView_drawableTop 1990 * @attr ref android.R.styleable#TextView_drawableRight 1991 * @attr ref android.R.styleable#TextView_drawableBottom 1992 */ 1993 public void setCompoundDrawables(@Nullable Drawable left, @Nullable Drawable top, 1994 @Nullable Drawable right, @Nullable Drawable bottom) { 1995 Drawables dr = mDrawables; 1996 1997 // We're switching to absolute, discard relative. 1998 if (dr != null) { 1999 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2000 dr.mDrawableStart = null; 2001 if (dr.mDrawableEnd != null) dr.mDrawableEnd.setCallback(null); 2002 dr.mDrawableEnd = null; 2003 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2004 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2005 } 2006 2007 final boolean drawables = left != null || top != null || right != null || bottom != null; 2008 if (!drawables) { 2009 // Clearing drawables... can we free the data structure? 2010 if (dr != null) { 2011 if (dr.mDrawablePadding == 0) { 2012 mDrawables = null; 2013 } else { 2014 // We need to retain the last set padding, so just clear 2015 // out all of the fields in the existing structure. 2016 if (dr.mDrawableLeft != null) dr.mDrawableLeft.setCallback(null); 2017 dr.mDrawableLeft = null; 2018 if (dr.mDrawableTop != null) dr.mDrawableTop.setCallback(null); 2019 dr.mDrawableTop = null; 2020 if (dr.mDrawableRight != null) dr.mDrawableRight.setCallback(null); 2021 dr.mDrawableRight = null; 2022 if (dr.mDrawableBottom != null) dr.mDrawableBottom.setCallback(null); 2023 dr.mDrawableBottom = null; 2024 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2025 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2026 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2027 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2028 } 2029 } 2030 } else { 2031 if (dr == null) { 2032 mDrawables = dr = new Drawables(getContext()); 2033 } 2034 2035 mDrawables.mOverride = false; 2036 2037 if (dr.mDrawableLeft != left && dr.mDrawableLeft != null) { 2038 dr.mDrawableLeft.setCallback(null); 2039 } 2040 dr.mDrawableLeft = left; 2041 2042 if (dr.mDrawableTop != top && dr.mDrawableTop != null) { 2043 dr.mDrawableTop.setCallback(null); 2044 } 2045 dr.mDrawableTop = top; 2046 2047 if (dr.mDrawableRight != right && dr.mDrawableRight != null) { 2048 dr.mDrawableRight.setCallback(null); 2049 } 2050 dr.mDrawableRight = right; 2051 2052 if (dr.mDrawableBottom != bottom && dr.mDrawableBottom != null) { 2053 dr.mDrawableBottom.setCallback(null); 2054 } 2055 dr.mDrawableBottom = bottom; 2056 2057 final Rect compoundRect = dr.mCompoundRect; 2058 int[] state; 2059 2060 state = getDrawableState(); 2061 2062 if (left != null) { 2063 left.setState(state); 2064 left.copyBounds(compoundRect); 2065 left.setCallback(this); 2066 dr.mDrawableSizeLeft = compoundRect.width(); 2067 dr.mDrawableHeightLeft = compoundRect.height(); 2068 } else { 2069 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2070 } 2071 2072 if (right != null) { 2073 right.setState(state); 2074 right.copyBounds(compoundRect); 2075 right.setCallback(this); 2076 dr.mDrawableSizeRight = compoundRect.width(); 2077 dr.mDrawableHeightRight = compoundRect.height(); 2078 } else { 2079 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2080 } 2081 2082 if (top != null) { 2083 top.setState(state); 2084 top.copyBounds(compoundRect); 2085 top.setCallback(this); 2086 dr.mDrawableSizeTop = compoundRect.height(); 2087 dr.mDrawableWidthTop = compoundRect.width(); 2088 } else { 2089 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2090 } 2091 2092 if (bottom != null) { 2093 bottom.setState(state); 2094 bottom.copyBounds(compoundRect); 2095 bottom.setCallback(this); 2096 dr.mDrawableSizeBottom = compoundRect.height(); 2097 dr.mDrawableWidthBottom = compoundRect.width(); 2098 } else { 2099 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2100 } 2101 } 2102 2103 // Save initial left/right drawables 2104 if (dr != null) { 2105 dr.mDrawableLeftInitial = left; 2106 dr.mDrawableRightInitial = right; 2107 } 2108 2109 resetResolvedDrawables(); 2110 resolveDrawables(); 2111 invalidate(); 2112 requestLayout(); 2113 } 2114 2115 /** 2116 * Sets the Drawables (if any) to appear to the left of, above, to the 2117 * right of, and below the text. Use 0 if you do not want a Drawable there. 2118 * The Drawables' bounds will be set to their intrinsic bounds. 2119 * <p> 2120 * Calling this method will overwrite any Drawables previously set using 2121 * {@link #setCompoundDrawablesRelative} or related methods. 2122 * 2123 * @param left Resource identifier of the left Drawable. 2124 * @param top Resource identifier of the top Drawable. 2125 * @param right Resource identifier of the right Drawable. 2126 * @param bottom Resource identifier of the bottom Drawable. 2127 * 2128 * @attr ref android.R.styleable#TextView_drawableLeft 2129 * @attr ref android.R.styleable#TextView_drawableTop 2130 * @attr ref android.R.styleable#TextView_drawableRight 2131 * @attr ref android.R.styleable#TextView_drawableBottom 2132 */ 2133 @android.view.RemotableViewMethod 2134 public void setCompoundDrawablesWithIntrinsicBounds(int left, int top, int right, int bottom) { 2135 final Context context = getContext(); 2136 setCompoundDrawablesWithIntrinsicBounds(left != 0 ? context.getDrawable(left) : null, 2137 top != 0 ? context.getDrawable(top) : null, 2138 right != 0 ? context.getDrawable(right) : null, 2139 bottom != 0 ? context.getDrawable(bottom) : null); 2140 } 2141 2142 /** 2143 * Sets the Drawables (if any) to appear to the left of, above, to the 2144 * right of, and below the text. Use {@code null} if you do not want a 2145 * Drawable there. The Drawables' bounds will be set to their intrinsic 2146 * bounds. 2147 * <p> 2148 * Calling this method will overwrite any Drawables previously set using 2149 * {@link #setCompoundDrawablesRelative} or related methods. 2150 * 2151 * @attr ref android.R.styleable#TextView_drawableLeft 2152 * @attr ref android.R.styleable#TextView_drawableTop 2153 * @attr ref android.R.styleable#TextView_drawableRight 2154 * @attr ref android.R.styleable#TextView_drawableBottom 2155 */ 2156 public void setCompoundDrawablesWithIntrinsicBounds(@Nullable Drawable left, 2157 @Nullable Drawable top, @Nullable Drawable right, @Nullable Drawable bottom) { 2158 2159 if (left != null) { 2160 left.setBounds(0, 0, left.getIntrinsicWidth(), left.getIntrinsicHeight()); 2161 } 2162 if (right != null) { 2163 right.setBounds(0, 0, right.getIntrinsicWidth(), right.getIntrinsicHeight()); 2164 } 2165 if (top != null) { 2166 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2167 } 2168 if (bottom != null) { 2169 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2170 } 2171 setCompoundDrawables(left, top, right, bottom); 2172 } 2173 2174 /** 2175 * Sets the Drawables (if any) to appear to the start of, above, to the end 2176 * of, and below the text. Use {@code null} if you do not want a Drawable 2177 * there. The Drawables must already have had {@link Drawable#setBounds} 2178 * called. 2179 * <p> 2180 * Calling this method will overwrite any Drawables previously set using 2181 * {@link #setCompoundDrawables} or related methods. 2182 * 2183 * @attr ref android.R.styleable#TextView_drawableStart 2184 * @attr ref android.R.styleable#TextView_drawableTop 2185 * @attr ref android.R.styleable#TextView_drawableEnd 2186 * @attr ref android.R.styleable#TextView_drawableBottom 2187 */ 2188 public void setCompoundDrawablesRelative(@Nullable Drawable start, @Nullable Drawable top, 2189 @Nullable Drawable end, @Nullable Drawable bottom) { 2190 Drawables dr = mDrawables; 2191 2192 // We're switching to relative, discard absolute. 2193 if (dr != null) { 2194 if (dr.mDrawableLeft != null) dr.mDrawableLeft.setCallback(null); 2195 dr.mDrawableLeft = dr.mDrawableLeftInitial = null; 2196 if (dr.mDrawableRight != null) dr.mDrawableRight.setCallback(null); 2197 dr.mDrawableRight = dr.mDrawableRightInitial = null; 2198 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2199 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2200 } 2201 2202 final boolean drawables = start != null || top != null 2203 || end != null || bottom != null; 2204 2205 if (!drawables) { 2206 // Clearing drawables... can we free the data structure? 2207 if (dr != null) { 2208 if (dr.mDrawablePadding == 0) { 2209 mDrawables = null; 2210 } else { 2211 // We need to retain the last set padding, so just clear 2212 // out all of the fields in the existing structure. 2213 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2214 dr.mDrawableStart = null; 2215 if (dr.mDrawableTop != null) dr.mDrawableTop.setCallback(null); 2216 dr.mDrawableTop = null; 2217 if (dr.mDrawableEnd != null) dr.mDrawableEnd.setCallback(null); 2218 dr.mDrawableEnd = null; 2219 if (dr.mDrawableBottom != null) dr.mDrawableBottom.setCallback(null); 2220 dr.mDrawableBottom = null; 2221 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2222 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2223 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2224 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2225 } 2226 } 2227 } else { 2228 if (dr == null) { 2229 mDrawables = dr = new Drawables(getContext()); 2230 } 2231 2232 mDrawables.mOverride = true; 2233 2234 if (dr.mDrawableStart != start && dr.mDrawableStart != null) { 2235 dr.mDrawableStart.setCallback(null); 2236 } 2237 dr.mDrawableStart = start; 2238 2239 if (dr.mDrawableTop != top && dr.mDrawableTop != null) { 2240 dr.mDrawableTop.setCallback(null); 2241 } 2242 dr.mDrawableTop = top; 2243 2244 if (dr.mDrawableEnd != end && dr.mDrawableEnd != null) { 2245 dr.mDrawableEnd.setCallback(null); 2246 } 2247 dr.mDrawableEnd = end; 2248 2249 if (dr.mDrawableBottom != bottom && dr.mDrawableBottom != null) { 2250 dr.mDrawableBottom.setCallback(null); 2251 } 2252 dr.mDrawableBottom = bottom; 2253 2254 final Rect compoundRect = dr.mCompoundRect; 2255 int[] state; 2256 2257 state = getDrawableState(); 2258 2259 if (start != null) { 2260 start.setState(state); 2261 start.copyBounds(compoundRect); 2262 start.setCallback(this); 2263 dr.mDrawableSizeStart = compoundRect.width(); 2264 dr.mDrawableHeightStart = compoundRect.height(); 2265 } else { 2266 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2267 } 2268 2269 if (end != null) { 2270 end.setState(state); 2271 end.copyBounds(compoundRect); 2272 end.setCallback(this); 2273 dr.mDrawableSizeEnd = compoundRect.width(); 2274 dr.mDrawableHeightEnd = compoundRect.height(); 2275 } else { 2276 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2277 } 2278 2279 if (top != null) { 2280 top.setState(state); 2281 top.copyBounds(compoundRect); 2282 top.setCallback(this); 2283 dr.mDrawableSizeTop = compoundRect.height(); 2284 dr.mDrawableWidthTop = compoundRect.width(); 2285 } else { 2286 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2287 } 2288 2289 if (bottom != null) { 2290 bottom.setState(state); 2291 bottom.copyBounds(compoundRect); 2292 bottom.setCallback(this); 2293 dr.mDrawableSizeBottom = compoundRect.height(); 2294 dr.mDrawableWidthBottom = compoundRect.width(); 2295 } else { 2296 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2297 } 2298 } 2299 2300 resetResolvedDrawables(); 2301 resolveDrawables(); 2302 invalidate(); 2303 requestLayout(); 2304 } 2305 2306 /** 2307 * Sets the Drawables (if any) to appear to the start of, above, to the end 2308 * of, and below the text. Use 0 if you do not want a Drawable there. The 2309 * Drawables' bounds will be set to their intrinsic bounds. 2310 * <p> 2311 * Calling this method will overwrite any Drawables previously set using 2312 * {@link #setCompoundDrawables} or related methods. 2313 * 2314 * @param start Resource identifier of the start Drawable. 2315 * @param top Resource identifier of the top Drawable. 2316 * @param end Resource identifier of the end Drawable. 2317 * @param bottom Resource identifier of the bottom Drawable. 2318 * 2319 * @attr ref android.R.styleable#TextView_drawableStart 2320 * @attr ref android.R.styleable#TextView_drawableTop 2321 * @attr ref android.R.styleable#TextView_drawableEnd 2322 * @attr ref android.R.styleable#TextView_drawableBottom 2323 */ 2324 @android.view.RemotableViewMethod 2325 public void setCompoundDrawablesRelativeWithIntrinsicBounds(int start, int top, int end, 2326 int bottom) { 2327 final Context context = getContext(); 2328 setCompoundDrawablesRelativeWithIntrinsicBounds( 2329 start != 0 ? context.getDrawable(start) : null, 2330 top != 0 ? context.getDrawable(top) : null, 2331 end != 0 ? context.getDrawable(end) : null, 2332 bottom != 0 ? context.getDrawable(bottom) : null); 2333 } 2334 2335 /** 2336 * Sets the Drawables (if any) to appear to the start of, above, to the end 2337 * of, and below the text. Use {@code null} if you do not want a Drawable 2338 * there. The Drawables' bounds will be set to their intrinsic bounds. 2339 * <p> 2340 * Calling this method will overwrite any Drawables previously set using 2341 * {@link #setCompoundDrawables} or related methods. 2342 * 2343 * @attr ref android.R.styleable#TextView_drawableStart 2344 * @attr ref android.R.styleable#TextView_drawableTop 2345 * @attr ref android.R.styleable#TextView_drawableEnd 2346 * @attr ref android.R.styleable#TextView_drawableBottom 2347 */ 2348 public void setCompoundDrawablesRelativeWithIntrinsicBounds(@Nullable Drawable start, 2349 @Nullable Drawable top, @Nullable Drawable end, @Nullable Drawable bottom) { 2350 2351 if (start != null) { 2352 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 2353 } 2354 if (end != null) { 2355 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 2356 } 2357 if (top != null) { 2358 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2359 } 2360 if (bottom != null) { 2361 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2362 } 2363 setCompoundDrawablesRelative(start, top, end, bottom); 2364 } 2365 2366 /** 2367 * Returns drawables for the left, top, right, and bottom borders. 2368 * 2369 * @attr ref android.R.styleable#TextView_drawableLeft 2370 * @attr ref android.R.styleable#TextView_drawableTop 2371 * @attr ref android.R.styleable#TextView_drawableRight 2372 * @attr ref android.R.styleable#TextView_drawableBottom 2373 */ 2374 @NonNull 2375 public Drawable[] getCompoundDrawables() { 2376 final Drawables dr = mDrawables; 2377 if (dr != null) { 2378 return new Drawable[] { 2379 dr.mDrawableLeft, dr.mDrawableTop, dr.mDrawableRight, dr.mDrawableBottom 2380 }; 2381 } else { 2382 return new Drawable[] { null, null, null, null }; 2383 } 2384 } 2385 2386 /** 2387 * Returns drawables for the start, top, end, and bottom borders. 2388 * 2389 * @attr ref android.R.styleable#TextView_drawableStart 2390 * @attr ref android.R.styleable#TextView_drawableTop 2391 * @attr ref android.R.styleable#TextView_drawableEnd 2392 * @attr ref android.R.styleable#TextView_drawableBottom 2393 */ 2394 @NonNull 2395 public Drawable[] getCompoundDrawablesRelative() { 2396 final Drawables dr = mDrawables; 2397 if (dr != null) { 2398 return new Drawable[] { 2399 dr.mDrawableStart, dr.mDrawableTop, dr.mDrawableEnd, dr.mDrawableBottom 2400 }; 2401 } else { 2402 return new Drawable[] { null, null, null, null }; 2403 } 2404 } 2405 2406 /** 2407 * Sets the size of the padding between the compound drawables and 2408 * the text. 2409 * 2410 * @attr ref android.R.styleable#TextView_drawablePadding 2411 */ 2412 @android.view.RemotableViewMethod 2413 public void setCompoundDrawablePadding(int pad) { 2414 Drawables dr = mDrawables; 2415 if (pad == 0) { 2416 if (dr != null) { 2417 dr.mDrawablePadding = pad; 2418 } 2419 } else { 2420 if (dr == null) { 2421 mDrawables = dr = new Drawables(getContext()); 2422 } 2423 dr.mDrawablePadding = pad; 2424 } 2425 2426 invalidate(); 2427 requestLayout(); 2428 } 2429 2430 /** 2431 * Returns the padding between the compound drawables and the text. 2432 * 2433 * @attr ref android.R.styleable#TextView_drawablePadding 2434 */ 2435 public int getCompoundDrawablePadding() { 2436 final Drawables dr = mDrawables; 2437 return dr != null ? dr.mDrawablePadding : 0; 2438 } 2439 2440 @Override 2441 public void setPadding(int left, int top, int right, int bottom) { 2442 if (left != mPaddingLeft || 2443 right != mPaddingRight || 2444 top != mPaddingTop || 2445 bottom != mPaddingBottom) { 2446 nullLayouts(); 2447 } 2448 2449 // the super call will requestLayout() 2450 super.setPadding(left, top, right, bottom); 2451 invalidate(); 2452 } 2453 2454 @Override 2455 public void setPaddingRelative(int start, int top, int end, int bottom) { 2456 if (start != getPaddingStart() || 2457 end != getPaddingEnd() || 2458 top != mPaddingTop || 2459 bottom != mPaddingBottom) { 2460 nullLayouts(); 2461 } 2462 2463 // the super call will requestLayout() 2464 super.setPaddingRelative(start, top, end, bottom); 2465 invalidate(); 2466 } 2467 2468 /** 2469 * Gets the autolink mask of the text. See {@link 2470 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 2471 * possible values. 2472 * 2473 * @attr ref android.R.styleable#TextView_autoLink 2474 */ 2475 public final int getAutoLinkMask() { 2476 return mAutoLinkMask; 2477 } 2478 2479 /** 2480 * Sets the text color, size, style, hint color, and highlight color 2481 * from the specified TextAppearance resource. 2482 */ 2483 public void setTextAppearance(Context context, int resid) { 2484 TypedArray appearance = 2485 context.obtainStyledAttributes(resid, 2486 com.android.internal.R.styleable.TextAppearance); 2487 2488 int color; 2489 ColorStateList colors; 2490 int ts; 2491 2492 color = appearance.getColor( 2493 com.android.internal.R.styleable.TextAppearance_textColorHighlight, 0); 2494 if (color != 0) { 2495 setHighlightColor(color); 2496 } 2497 2498 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2499 TextAppearance_textColor); 2500 if (colors != null) { 2501 setTextColor(colors); 2502 } 2503 2504 ts = appearance.getDimensionPixelSize(com.android.internal.R.styleable. 2505 TextAppearance_textSize, 0); 2506 if (ts != 0) { 2507 setRawTextSize(ts); 2508 } 2509 2510 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2511 TextAppearance_textColorHint); 2512 if (colors != null) { 2513 setHintTextColor(colors); 2514 } 2515 2516 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2517 TextAppearance_textColorLink); 2518 if (colors != null) { 2519 setLinkTextColor(colors); 2520 } 2521 2522 String familyName; 2523 int typefaceIndex, styleIndex; 2524 2525 familyName = appearance.getString(com.android.internal.R.styleable. 2526 TextAppearance_fontFamily); 2527 typefaceIndex = appearance.getInt(com.android.internal.R.styleable. 2528 TextAppearance_typeface, -1); 2529 styleIndex = appearance.getInt(com.android.internal.R.styleable. 2530 TextAppearance_textStyle, -1); 2531 2532 setTypefaceFromAttrs(familyName, typefaceIndex, styleIndex); 2533 2534 final int shadowcolor = appearance.getInt( 2535 com.android.internal.R.styleable.TextAppearance_shadowColor, 0); 2536 if (shadowcolor != 0) { 2537 final float dx = appearance.getFloat( 2538 com.android.internal.R.styleable.TextAppearance_shadowDx, 0); 2539 final float dy = appearance.getFloat( 2540 com.android.internal.R.styleable.TextAppearance_shadowDy, 0); 2541 final float r = appearance.getFloat( 2542 com.android.internal.R.styleable.TextAppearance_shadowRadius, 0); 2543 2544 setShadowLayer(r, dx, dy, shadowcolor); 2545 } 2546 2547 if (appearance.getBoolean(com.android.internal.R.styleable.TextAppearance_textAllCaps, 2548 false)) { 2549 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 2550 } 2551 2552 if (appearance.hasValue(com.android.internal.R.styleable.TextAppearance_elegantTextHeight)) { 2553 setElegantTextHeight(appearance.getBoolean( 2554 com.android.internal.R.styleable.TextAppearance_elegantTextHeight, false)); 2555 } 2556 2557 if (appearance.hasValue(com.android.internal.R.styleable.TextAppearance_letterSpacing)) { 2558 setLetterSpacing(appearance.getFloat( 2559 com.android.internal.R.styleable.TextAppearance_letterSpacing, 0)); 2560 } 2561 2562 if (appearance.hasValue(com.android.internal.R.styleable.TextAppearance_fontFeatureSettings)) { 2563 setFontFeatureSettings(appearance.getString( 2564 com.android.internal.R.styleable.TextAppearance_fontFeatureSettings)); 2565 } 2566 2567 appearance.recycle(); 2568 } 2569 2570 /** 2571 * Get the default {@link Locale} of the text in this TextView. 2572 * @return the default {@link Locale} of the text in this TextView. 2573 */ 2574 public Locale getTextLocale() { 2575 return mTextPaint.getTextLocale(); 2576 } 2577 2578 /** 2579 * Set the default {@link Locale} of the text in this TextView to the given value. This value 2580 * is used to choose appropriate typefaces for ambiguous characters. Typically used for CJK 2581 * locales to disambiguate Hanzi/Kanji/Hanja characters. 2582 * 2583 * @param locale the {@link Locale} for drawing text, must not be null. 2584 * 2585 * @see Paint#setTextLocale 2586 */ 2587 public void setTextLocale(Locale locale) { 2588 mTextPaint.setTextLocale(locale); 2589 } 2590 2591 /** 2592 * @return the size (in pixels) of the default text size in this TextView. 2593 */ 2594 @ViewDebug.ExportedProperty(category = "text") 2595 public float getTextSize() { 2596 return mTextPaint.getTextSize(); 2597 } 2598 2599 /** 2600 * @return the size (in scaled pixels) of thee default text size in this TextView. 2601 * @hide 2602 */ 2603 @ViewDebug.ExportedProperty(category = "text") 2604 public float getScaledTextSize() { 2605 return mTextPaint.getTextSize() / mTextPaint.density; 2606 } 2607 2608 /** @hide */ 2609 @ViewDebug.ExportedProperty(category = "text", mapping = { 2610 @ViewDebug.IntToString(from = Typeface.NORMAL, to = "NORMAL"), 2611 @ViewDebug.IntToString(from = Typeface.BOLD, to = "BOLD"), 2612 @ViewDebug.IntToString(from = Typeface.ITALIC, to = "ITALIC"), 2613 @ViewDebug.IntToString(from = Typeface.BOLD_ITALIC, to = "BOLD_ITALIC") 2614 }) 2615 public int getTypefaceStyle() { 2616 return mTextPaint.getTypeface().getStyle(); 2617 } 2618 2619 /** 2620 * Set the default text size to the given value, interpreted as "scaled 2621 * pixel" units. This size is adjusted based on the current density and 2622 * user font size preference. 2623 * 2624 * @param size The scaled pixel size. 2625 * 2626 * @attr ref android.R.styleable#TextView_textSize 2627 */ 2628 @android.view.RemotableViewMethod 2629 public void setTextSize(float size) { 2630 setTextSize(TypedValue.COMPLEX_UNIT_SP, size); 2631 } 2632 2633 /** 2634 * Set the default text size to a given unit and value. See {@link 2635 * TypedValue} for the possible dimension units. 2636 * 2637 * @param unit The desired dimension unit. 2638 * @param size The desired size in the given units. 2639 * 2640 * @attr ref android.R.styleable#TextView_textSize 2641 */ 2642 public void setTextSize(int unit, float size) { 2643 Context c = getContext(); 2644 Resources r; 2645 2646 if (c == null) 2647 r = Resources.getSystem(); 2648 else 2649 r = c.getResources(); 2650 2651 setRawTextSize(TypedValue.applyDimension( 2652 unit, size, r.getDisplayMetrics())); 2653 } 2654 2655 private void setRawTextSize(float size) { 2656 if (size != mTextPaint.getTextSize()) { 2657 mTextPaint.setTextSize(size); 2658 2659 if (mLayout != null) { 2660 nullLayouts(); 2661 requestLayout(); 2662 invalidate(); 2663 } 2664 } 2665 } 2666 2667 /** 2668 * @return the extent by which text is currently being stretched 2669 * horizontally. This will usually be 1. 2670 */ 2671 public float getTextScaleX() { 2672 return mTextPaint.getTextScaleX(); 2673 } 2674 2675 /** 2676 * Sets the extent by which text should be stretched horizontally. 2677 * 2678 * @attr ref android.R.styleable#TextView_textScaleX 2679 */ 2680 @android.view.RemotableViewMethod 2681 public void setTextScaleX(float size) { 2682 if (size != mTextPaint.getTextScaleX()) { 2683 mUserSetTextScaleX = true; 2684 mTextPaint.setTextScaleX(size); 2685 2686 if (mLayout != null) { 2687 nullLayouts(); 2688 requestLayout(); 2689 invalidate(); 2690 } 2691 } 2692 } 2693 2694 /** 2695 * Sets the typeface and style in which the text should be displayed. 2696 * Note that not all Typeface families actually have bold and italic 2697 * variants, so you may need to use 2698 * {@link #setTypeface(Typeface, int)} to get the appearance 2699 * that you actually want. 2700 * 2701 * @see #getTypeface() 2702 * 2703 * @attr ref android.R.styleable#TextView_fontFamily 2704 * @attr ref android.R.styleable#TextView_typeface 2705 * @attr ref android.R.styleable#TextView_textStyle 2706 */ 2707 public void setTypeface(Typeface tf) { 2708 if (mTextPaint.getTypeface() != tf) { 2709 mTextPaint.setTypeface(tf); 2710 2711 if (mLayout != null) { 2712 nullLayouts(); 2713 requestLayout(); 2714 invalidate(); 2715 } 2716 } 2717 } 2718 2719 /** 2720 * @return the current typeface and style in which the text is being 2721 * displayed. 2722 * 2723 * @see #setTypeface(Typeface) 2724 * 2725 * @attr ref android.R.styleable#TextView_fontFamily 2726 * @attr ref android.R.styleable#TextView_typeface 2727 * @attr ref android.R.styleable#TextView_textStyle 2728 */ 2729 public Typeface getTypeface() { 2730 return mTextPaint.getTypeface(); 2731 } 2732 2733 /** 2734 * Set the TextView's elegant height metrics flag. This setting selects font 2735 * variants that have not been compacted to fit Latin-based vertical 2736 * metrics, and also increases top and bottom bounds to provide more space. 2737 * 2738 * @param elegant set the paint's elegant metrics flag. 2739 * 2740 * @attr ref android.R.styleable#TextView_elegantTextHeight 2741 */ 2742 public void setElegantTextHeight(boolean elegant) { 2743 mTextPaint.setElegantTextHeight(elegant); 2744 } 2745 2746 /** 2747 * @return the extent by which text is currently being letter-spaced. 2748 * This will normally be 0. 2749 * 2750 * @see #setLetterSpacing(float) 2751 * @see Paint#setLetterSpacing 2752 */ 2753 public float getLetterSpacing() { 2754 return mTextPaint.getLetterSpacing(); 2755 } 2756 2757 /** 2758 * Sets text letter-spacing. The value is in 'EM' units. Typical values 2759 * for slight expansion will be around 0.05. Negative values tighten text. 2760 * 2761 * @see #getLetterSpacing() 2762 * @see Paint#getLetterSpacing 2763 * 2764 * @attr ref android.R.styleable#TextView_letterSpacing 2765 */ 2766 @android.view.RemotableViewMethod 2767 public void setLetterSpacing(float letterSpacing) { 2768 if (letterSpacing != mTextPaint.getLetterSpacing()) { 2769 mTextPaint.setLetterSpacing(letterSpacing); 2770 2771 if (mLayout != null) { 2772 nullLayouts(); 2773 requestLayout(); 2774 invalidate(); 2775 } 2776 } 2777 } 2778 2779 /** 2780 * @return the currently set font feature settings. Default is null. 2781 * 2782 * @see #setFontFeatureSettings(String) 2783 * @see Paint#setFontFeatureSettings 2784 */ 2785 @Nullable 2786 public String getFontFeatureSettings() { 2787 return mTextPaint.getFontFeatureSettings(); 2788 } 2789 2790 /** 2791 * Sets font feature settings. The format is the same as the CSS 2792 * font-feature-settings attribute: 2793 * http://dev.w3.org/csswg/css-fonts/#propdef-font-feature-settings 2794 * 2795 * @param fontFeatureSettings font feature settings represented as CSS compatible string 2796 * @see #getFontFeatureSettings() 2797 * @see Paint#getFontFeatureSettings 2798 * 2799 * @attr ref android.R.styleable#TextView_fontFeatureSettings 2800 */ 2801 @android.view.RemotableViewMethod 2802 public void setFontFeatureSettings(@Nullable String fontFeatureSettings) { 2803 if (fontFeatureSettings != mTextPaint.getFontFeatureSettings()) { 2804 mTextPaint.setFontFeatureSettings(fontFeatureSettings); 2805 2806 if (mLayout != null) { 2807 nullLayouts(); 2808 requestLayout(); 2809 invalidate(); 2810 } 2811 } 2812 } 2813 2814 2815 /** 2816 * Sets the text color for all the states (normal, selected, 2817 * focused) to be this color. 2818 * 2819 * @see #setTextColor(ColorStateList) 2820 * @see #getTextColors() 2821 * 2822 * @attr ref android.R.styleable#TextView_textColor 2823 */ 2824 @android.view.RemotableViewMethod 2825 public void setTextColor(int color) { 2826 mTextColor = ColorStateList.valueOf(color); 2827 updateTextColors(); 2828 } 2829 2830 /** 2831 * Sets the text color. 2832 * 2833 * @see #setTextColor(int) 2834 * @see #getTextColors() 2835 * @see #setHintTextColor(ColorStateList) 2836 * @see #setLinkTextColor(ColorStateList) 2837 * 2838 * @attr ref android.R.styleable#TextView_textColor 2839 */ 2840 public void setTextColor(ColorStateList colors) { 2841 if (colors == null) { 2842 throw new NullPointerException(); 2843 } 2844 2845 mTextColor = colors; 2846 updateTextColors(); 2847 } 2848 2849 /** 2850 * Gets the text colors for the different states (normal, selected, focused) of the TextView. 2851 * 2852 * @see #setTextColor(ColorStateList) 2853 * @see #setTextColor(int) 2854 * 2855 * @attr ref android.R.styleable#TextView_textColor 2856 */ 2857 public final ColorStateList getTextColors() { 2858 return mTextColor; 2859 } 2860 2861 /** 2862 * <p>Return the current color selected for normal text.</p> 2863 * 2864 * @return Returns the current text color. 2865 */ 2866 public final int getCurrentTextColor() { 2867 return mCurTextColor; 2868 } 2869 2870 /** 2871 * Sets the color used to display the selection highlight. 2872 * 2873 * @attr ref android.R.styleable#TextView_textColorHighlight 2874 */ 2875 @android.view.RemotableViewMethod 2876 public void setHighlightColor(int color) { 2877 if (mHighlightColor != color) { 2878 mHighlightColor = color; 2879 invalidate(); 2880 } 2881 } 2882 2883 /** 2884 * @return the color used to display the selection highlight 2885 * 2886 * @see #setHighlightColor(int) 2887 * 2888 * @attr ref android.R.styleable#TextView_textColorHighlight 2889 */ 2890 public int getHighlightColor() { 2891 return mHighlightColor; 2892 } 2893 2894 /** 2895 * Sets whether the soft input method will be made visible when this 2896 * TextView gets focused. The default is true. 2897 */ 2898 @android.view.RemotableViewMethod 2899 public final void setShowSoftInputOnFocus(boolean show) { 2900 createEditorIfNeeded(); 2901 mEditor.mShowSoftInputOnFocus = show; 2902 } 2903 2904 /** 2905 * Returns whether the soft input method will be made visible when this 2906 * TextView gets focused. The default is true. 2907 */ 2908 public final boolean getShowSoftInputOnFocus() { 2909 // When there is no Editor, return default true value 2910 return mEditor == null || mEditor.mShowSoftInputOnFocus; 2911 } 2912 2913 /** 2914 * Gives the text a shadow of the specified blur radius and color, the specified 2915 * distance from its drawn position. 2916 * <p> 2917 * The text shadow produced does not interact with the properties on view 2918 * that are responsible for real time shadows, 2919 * {@link View#getElevation() elevation} and 2920 * {@link View#getTranslationZ() translationZ}. 2921 * 2922 * @see Paint#setShadowLayer(float, float, float, int) 2923 * 2924 * @attr ref android.R.styleable#TextView_shadowColor 2925 * @attr ref android.R.styleable#TextView_shadowDx 2926 * @attr ref android.R.styleable#TextView_shadowDy 2927 * @attr ref android.R.styleable#TextView_shadowRadius 2928 */ 2929 public void setShadowLayer(float radius, float dx, float dy, int color) { 2930 mTextPaint.setShadowLayer(radius, dx, dy, color); 2931 2932 mShadowRadius = radius; 2933 mShadowDx = dx; 2934 mShadowDy = dy; 2935 mShadowColor = color; 2936 2937 // Will change text clip region 2938 if (mEditor != null) mEditor.invalidateTextDisplayList(); 2939 invalidate(); 2940 } 2941 2942 /** 2943 * Gets the radius of the shadow layer. 2944 * 2945 * @return the radius of the shadow layer. If 0, the shadow layer is not visible 2946 * 2947 * @see #setShadowLayer(float, float, float, int) 2948 * 2949 * @attr ref android.R.styleable#TextView_shadowRadius 2950 */ 2951 public float getShadowRadius() { 2952 return mShadowRadius; 2953 } 2954 2955 /** 2956 * @return the horizontal offset of the shadow layer 2957 * 2958 * @see #setShadowLayer(float, float, float, int) 2959 * 2960 * @attr ref android.R.styleable#TextView_shadowDx 2961 */ 2962 public float getShadowDx() { 2963 return mShadowDx; 2964 } 2965 2966 /** 2967 * @return the vertical offset of the shadow layer 2968 * 2969 * @see #setShadowLayer(float, float, float, int) 2970 * 2971 * @attr ref android.R.styleable#TextView_shadowDy 2972 */ 2973 public float getShadowDy() { 2974 return mShadowDy; 2975 } 2976 2977 /** 2978 * @return the color of the shadow layer 2979 * 2980 * @see #setShadowLayer(float, float, float, int) 2981 * 2982 * @attr ref android.R.styleable#TextView_shadowColor 2983 */ 2984 public int getShadowColor() { 2985 return mShadowColor; 2986 } 2987 2988 /** 2989 * @return the base paint used for the text. Please use this only to 2990 * consult the Paint's properties and not to change them. 2991 */ 2992 public TextPaint getPaint() { 2993 return mTextPaint; 2994 } 2995 2996 /** 2997 * Sets the autolink mask of the text. See {@link 2998 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 2999 * possible values. 3000 * 3001 * @attr ref android.R.styleable#TextView_autoLink 3002 */ 3003 @android.view.RemotableViewMethod 3004 public final void setAutoLinkMask(int mask) { 3005 mAutoLinkMask = mask; 3006 } 3007 3008 /** 3009 * Sets whether the movement method will automatically be set to 3010 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 3011 * set to nonzero and links are detected in {@link #setText}. 3012 * The default is true. 3013 * 3014 * @attr ref android.R.styleable#TextView_linksClickable 3015 */ 3016 @android.view.RemotableViewMethod 3017 public final void setLinksClickable(boolean whether) { 3018 mLinksClickable = whether; 3019 } 3020 3021 /** 3022 * Returns whether the movement method will automatically be set to 3023 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 3024 * set to nonzero and links are detected in {@link #setText}. 3025 * The default is true. 3026 * 3027 * @attr ref android.R.styleable#TextView_linksClickable 3028 */ 3029 public final boolean getLinksClickable() { 3030 return mLinksClickable; 3031 } 3032 3033 /** 3034 * Returns the list of URLSpans attached to the text 3035 * (by {@link Linkify} or otherwise) if any. You can call 3036 * {@link URLSpan#getURL} on them to find where they link to 3037 * or use {@link Spanned#getSpanStart} and {@link Spanned#getSpanEnd} 3038 * to find the region of the text they are attached to. 3039 */ 3040 public URLSpan[] getUrls() { 3041 if (mText instanceof Spanned) { 3042 return ((Spanned) mText).getSpans(0, mText.length(), URLSpan.class); 3043 } else { 3044 return new URLSpan[0]; 3045 } 3046 } 3047 3048 /** 3049 * Sets the color of the hint text for all the states (disabled, focussed, selected...) of this 3050 * TextView. 3051 * 3052 * @see #setHintTextColor(ColorStateList) 3053 * @see #getHintTextColors() 3054 * @see #setTextColor(int) 3055 * 3056 * @attr ref android.R.styleable#TextView_textColorHint 3057 */ 3058 @android.view.RemotableViewMethod 3059 public final void setHintTextColor(int color) { 3060 mHintTextColor = ColorStateList.valueOf(color); 3061 updateTextColors(); 3062 } 3063 3064 /** 3065 * Sets the color of the hint text. 3066 * 3067 * @see #getHintTextColors() 3068 * @see #setHintTextColor(int) 3069 * @see #setTextColor(ColorStateList) 3070 * @see #setLinkTextColor(ColorStateList) 3071 * 3072 * @attr ref android.R.styleable#TextView_textColorHint 3073 */ 3074 public final void setHintTextColor(ColorStateList colors) { 3075 mHintTextColor = colors; 3076 updateTextColors(); 3077 } 3078 3079 /** 3080 * @return the color of the hint text, for the different states of this TextView. 3081 * 3082 * @see #setHintTextColor(ColorStateList) 3083 * @see #setHintTextColor(int) 3084 * @see #setTextColor(ColorStateList) 3085 * @see #setLinkTextColor(ColorStateList) 3086 * 3087 * @attr ref android.R.styleable#TextView_textColorHint 3088 */ 3089 public final ColorStateList getHintTextColors() { 3090 return mHintTextColor; 3091 } 3092 3093 /** 3094 * <p>Return the current color selected to paint the hint text.</p> 3095 * 3096 * @return Returns the current hint text color. 3097 */ 3098 public final int getCurrentHintTextColor() { 3099 return mHintTextColor != null ? mCurHintTextColor : mCurTextColor; 3100 } 3101 3102 /** 3103 * Sets the color of links in the text. 3104 * 3105 * @see #setLinkTextColor(ColorStateList) 3106 * @see #getLinkTextColors() 3107 * 3108 * @attr ref android.R.styleable#TextView_textColorLink 3109 */ 3110 @android.view.RemotableViewMethod 3111 public final void setLinkTextColor(int color) { 3112 mLinkTextColor = ColorStateList.valueOf(color); 3113 updateTextColors(); 3114 } 3115 3116 /** 3117 * Sets the color of links in the text. 3118 * 3119 * @see #setLinkTextColor(int) 3120 * @see #getLinkTextColors() 3121 * @see #setTextColor(ColorStateList) 3122 * @see #setHintTextColor(ColorStateList) 3123 * 3124 * @attr ref android.R.styleable#TextView_textColorLink 3125 */ 3126 public final void setLinkTextColor(ColorStateList colors) { 3127 mLinkTextColor = colors; 3128 updateTextColors(); 3129 } 3130 3131 /** 3132 * @return the list of colors used to paint the links in the text, for the different states of 3133 * this TextView 3134 * 3135 * @see #setLinkTextColor(ColorStateList) 3136 * @see #setLinkTextColor(int) 3137 * 3138 * @attr ref android.R.styleable#TextView_textColorLink 3139 */ 3140 public final ColorStateList getLinkTextColors() { 3141 return mLinkTextColor; 3142 } 3143 3144 /** 3145 * Sets the horizontal alignment of the text and the 3146 * vertical gravity that will be used when there is extra space 3147 * in the TextView beyond what is required for the text itself. 3148 * 3149 * @see android.view.Gravity 3150 * @attr ref android.R.styleable#TextView_gravity 3151 */ 3152 public void setGravity(int gravity) { 3153 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) == 0) { 3154 gravity |= Gravity.START; 3155 } 3156 if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 3157 gravity |= Gravity.TOP; 3158 } 3159 3160 boolean newLayout = false; 3161 3162 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) != 3163 (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK)) { 3164 newLayout = true; 3165 } 3166 3167 if (gravity != mGravity) { 3168 invalidate(); 3169 } 3170 3171 mGravity = gravity; 3172 3173 if (mLayout != null && newLayout) { 3174 // XXX this is heavy-handed because no actual content changes. 3175 int want = mLayout.getWidth(); 3176 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 3177 3178 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 3179 mRight - mLeft - getCompoundPaddingLeft() - 3180 getCompoundPaddingRight(), true); 3181 } 3182 } 3183 3184 /** 3185 * Returns the horizontal and vertical alignment of this TextView. 3186 * 3187 * @see android.view.Gravity 3188 * @attr ref android.R.styleable#TextView_gravity 3189 */ 3190 public int getGravity() { 3191 return mGravity; 3192 } 3193 3194 /** 3195 * @return the flags on the Paint being used to display the text. 3196 * @see Paint#getFlags 3197 */ 3198 public int getPaintFlags() { 3199 return mTextPaint.getFlags(); 3200 } 3201 3202 /** 3203 * Sets flags on the Paint being used to display the text and 3204 * reflows the text if they are different from the old flags. 3205 * @see Paint#setFlags 3206 */ 3207 @android.view.RemotableViewMethod 3208 public void setPaintFlags(int flags) { 3209 if (mTextPaint.getFlags() != flags) { 3210 mTextPaint.setFlags(flags); 3211 3212 if (mLayout != null) { 3213 nullLayouts(); 3214 requestLayout(); 3215 invalidate(); 3216 } 3217 } 3218 } 3219 3220 /** 3221 * Sets whether the text should be allowed to be wider than the 3222 * View is. If false, it will be wrapped to the width of the View. 3223 * 3224 * @attr ref android.R.styleable#TextView_scrollHorizontally 3225 */ 3226 public void setHorizontallyScrolling(boolean whether) { 3227 if (mHorizontallyScrolling != whether) { 3228 mHorizontallyScrolling = whether; 3229 3230 if (mLayout != null) { 3231 nullLayouts(); 3232 requestLayout(); 3233 invalidate(); 3234 } 3235 } 3236 } 3237 3238 /** 3239 * Returns whether the text is allowed to be wider than the View is. 3240 * If false, the text will be wrapped to the width of the View. 3241 * 3242 * @attr ref android.R.styleable#TextView_scrollHorizontally 3243 * @hide 3244 */ 3245 public boolean getHorizontallyScrolling() { 3246 return mHorizontallyScrolling; 3247 } 3248 3249 /** 3250 * Makes the TextView at least this many lines tall. 3251 * 3252 * Setting this value overrides any other (minimum) height setting. A single line TextView will 3253 * set this value to 1. 3254 * 3255 * @see #getMinLines() 3256 * 3257 * @attr ref android.R.styleable#TextView_minLines 3258 */ 3259 @android.view.RemotableViewMethod 3260 public void setMinLines(int minlines) { 3261 mMinimum = minlines; 3262 mMinMode = LINES; 3263 3264 requestLayout(); 3265 invalidate(); 3266 } 3267 3268 /** 3269 * @return the minimum number of lines displayed in this TextView, or -1 if the minimum 3270 * height was set in pixels instead using {@link #setMinHeight(int) or #setHeight(int)}. 3271 * 3272 * @see #setMinLines(int) 3273 * 3274 * @attr ref android.R.styleable#TextView_minLines 3275 */ 3276 public int getMinLines() { 3277 return mMinMode == LINES ? mMinimum : -1; 3278 } 3279 3280 /** 3281 * Makes the TextView at least this many pixels tall. 3282 * 3283 * Setting this value overrides any other (minimum) number of lines setting. 3284 * 3285 * @attr ref android.R.styleable#TextView_minHeight 3286 */ 3287 @android.view.RemotableViewMethod 3288 public void setMinHeight(int minHeight) { 3289 mMinimum = minHeight; 3290 mMinMode = PIXELS; 3291 3292 requestLayout(); 3293 invalidate(); 3294 } 3295 3296 /** 3297 * @return the minimum height of this TextView expressed in pixels, or -1 if the minimum 3298 * height was set in number of lines instead using {@link #setMinLines(int) or #setLines(int)}. 3299 * 3300 * @see #setMinHeight(int) 3301 * 3302 * @attr ref android.R.styleable#TextView_minHeight 3303 */ 3304 public int getMinHeight() { 3305 return mMinMode == PIXELS ? mMinimum : -1; 3306 } 3307 3308 /** 3309 * Makes the TextView at most this many lines tall. 3310 * 3311 * Setting this value overrides any other (maximum) height setting. 3312 * 3313 * @attr ref android.R.styleable#TextView_maxLines 3314 */ 3315 @android.view.RemotableViewMethod 3316 public void setMaxLines(int maxlines) { 3317 mMaximum = maxlines; 3318 mMaxMode = LINES; 3319 3320 requestLayout(); 3321 invalidate(); 3322 } 3323 3324 /** 3325 * @return the maximum number of lines displayed in this TextView, or -1 if the maximum 3326 * height was set in pixels instead using {@link #setMaxHeight(int) or #setHeight(int)}. 3327 * 3328 * @see #setMaxLines(int) 3329 * 3330 * @attr ref android.R.styleable#TextView_maxLines 3331 */ 3332 public int getMaxLines() { 3333 return mMaxMode == LINES ? mMaximum : -1; 3334 } 3335 3336 /** 3337 * Makes the TextView at most this many pixels tall. This option is mutually exclusive with the 3338 * {@link #setMaxLines(int)} method. 3339 * 3340 * Setting this value overrides any other (maximum) number of lines setting. 3341 * 3342 * @attr ref android.R.styleable#TextView_maxHeight 3343 */ 3344 @android.view.RemotableViewMethod 3345 public void setMaxHeight(int maxHeight) { 3346 mMaximum = maxHeight; 3347 mMaxMode = PIXELS; 3348 3349 requestLayout(); 3350 invalidate(); 3351 } 3352 3353 /** 3354 * @return the maximum height of this TextView expressed in pixels, or -1 if the maximum 3355 * height was set in number of lines instead using {@link #setMaxLines(int) or #setLines(int)}. 3356 * 3357 * @see #setMaxHeight(int) 3358 * 3359 * @attr ref android.R.styleable#TextView_maxHeight 3360 */ 3361 public int getMaxHeight() { 3362 return mMaxMode == PIXELS ? mMaximum : -1; 3363 } 3364 3365 /** 3366 * Makes the TextView exactly this many lines tall. 3367 * 3368 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3369 * height setting. A single line TextView will set this value to 1. 3370 * 3371 * @attr ref android.R.styleable#TextView_lines 3372 */ 3373 @android.view.RemotableViewMethod 3374 public void setLines(int lines) { 3375 mMaximum = mMinimum = lines; 3376 mMaxMode = mMinMode = LINES; 3377 3378 requestLayout(); 3379 invalidate(); 3380 } 3381 3382 /** 3383 * Makes the TextView exactly this many pixels tall. 3384 * You could do the same thing by specifying this number in the 3385 * LayoutParams. 3386 * 3387 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3388 * height setting. 3389 * 3390 * @attr ref android.R.styleable#TextView_height 3391 */ 3392 @android.view.RemotableViewMethod 3393 public void setHeight(int pixels) { 3394 mMaximum = mMinimum = pixels; 3395 mMaxMode = mMinMode = PIXELS; 3396 3397 requestLayout(); 3398 invalidate(); 3399 } 3400 3401 /** 3402 * Makes the TextView at least this many ems wide 3403 * 3404 * @attr ref android.R.styleable#TextView_minEms 3405 */ 3406 @android.view.RemotableViewMethod 3407 public void setMinEms(int minems) { 3408 mMinWidth = minems; 3409 mMinWidthMode = EMS; 3410 3411 requestLayout(); 3412 invalidate(); 3413 } 3414 3415 /** 3416 * @return the minimum width of the TextView, expressed in ems or -1 if the minimum width 3417 * was set in pixels instead (using {@link #setMinWidth(int)} or {@link #setWidth(int)}). 3418 * 3419 * @see #setMinEms(int) 3420 * @see #setEms(int) 3421 * 3422 * @attr ref android.R.styleable#TextView_minEms 3423 */ 3424 public int getMinEms() { 3425 return mMinWidthMode == EMS ? mMinWidth : -1; 3426 } 3427 3428 /** 3429 * Makes the TextView at least this many pixels wide 3430 * 3431 * @attr ref android.R.styleable#TextView_minWidth 3432 */ 3433 @android.view.RemotableViewMethod 3434 public void setMinWidth(int minpixels) { 3435 mMinWidth = minpixels; 3436 mMinWidthMode = PIXELS; 3437 3438 requestLayout(); 3439 invalidate(); 3440 } 3441 3442 /** 3443 * @return the minimum width of the TextView, in pixels or -1 if the minimum width 3444 * was set in ems instead (using {@link #setMinEms(int)} or {@link #setEms(int)}). 3445 * 3446 * @see #setMinWidth(int) 3447 * @see #setWidth(int) 3448 * 3449 * @attr ref android.R.styleable#TextView_minWidth 3450 */ 3451 public int getMinWidth() { 3452 return mMinWidthMode == PIXELS ? mMinWidth : -1; 3453 } 3454 3455 /** 3456 * Makes the TextView at most this many ems wide 3457 * 3458 * @attr ref android.R.styleable#TextView_maxEms 3459 */ 3460 @android.view.RemotableViewMethod 3461 public void setMaxEms(int maxems) { 3462 mMaxWidth = maxems; 3463 mMaxWidthMode = EMS; 3464 3465 requestLayout(); 3466 invalidate(); 3467 } 3468 3469 /** 3470 * @return the maximum width of the TextView, expressed in ems or -1 if the maximum width 3471 * was set in pixels instead (using {@link #setMaxWidth(int)} or {@link #setWidth(int)}). 3472 * 3473 * @see #setMaxEms(int) 3474 * @see #setEms(int) 3475 * 3476 * @attr ref android.R.styleable#TextView_maxEms 3477 */ 3478 public int getMaxEms() { 3479 return mMaxWidthMode == EMS ? mMaxWidth : -1; 3480 } 3481 3482 /** 3483 * Makes the TextView at most this many pixels wide 3484 * 3485 * @attr ref android.R.styleable#TextView_maxWidth 3486 */ 3487 @android.view.RemotableViewMethod 3488 public void setMaxWidth(int maxpixels) { 3489 mMaxWidth = maxpixels; 3490 mMaxWidthMode = PIXELS; 3491 3492 requestLayout(); 3493 invalidate(); 3494 } 3495 3496 /** 3497 * @return the maximum width of the TextView, in pixels or -1 if the maximum width 3498 * was set in ems instead (using {@link #setMaxEms(int)} or {@link #setEms(int)}). 3499 * 3500 * @see #setMaxWidth(int) 3501 * @see #setWidth(int) 3502 * 3503 * @attr ref android.R.styleable#TextView_maxWidth 3504 */ 3505 public int getMaxWidth() { 3506 return mMaxWidthMode == PIXELS ? mMaxWidth : -1; 3507 } 3508 3509 /** 3510 * Makes the TextView exactly this many ems wide 3511 * 3512 * @see #setMaxEms(int) 3513 * @see #setMinEms(int) 3514 * @see #getMinEms() 3515 * @see #getMaxEms() 3516 * 3517 * @attr ref android.R.styleable#TextView_ems 3518 */ 3519 @android.view.RemotableViewMethod 3520 public void setEms(int ems) { 3521 mMaxWidth = mMinWidth = ems; 3522 mMaxWidthMode = mMinWidthMode = EMS; 3523 3524 requestLayout(); 3525 invalidate(); 3526 } 3527 3528 /** 3529 * Makes the TextView exactly this many pixels wide. 3530 * You could do the same thing by specifying this number in the 3531 * LayoutParams. 3532 * 3533 * @see #setMaxWidth(int) 3534 * @see #setMinWidth(int) 3535 * @see #getMinWidth() 3536 * @see #getMaxWidth() 3537 * 3538 * @attr ref android.R.styleable#TextView_width 3539 */ 3540 @android.view.RemotableViewMethod 3541 public void setWidth(int pixels) { 3542 mMaxWidth = mMinWidth = pixels; 3543 mMaxWidthMode = mMinWidthMode = PIXELS; 3544 3545 requestLayout(); 3546 invalidate(); 3547 } 3548 3549 /** 3550 * Sets line spacing for this TextView. Each line will have its height 3551 * multiplied by <code>mult</code> and have <code>add</code> added to it. 3552 * 3553 * @attr ref android.R.styleable#TextView_lineSpacingExtra 3554 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 3555 */ 3556 public void setLineSpacing(float add, float mult) { 3557 if (mSpacingAdd != add || mSpacingMult != mult) { 3558 mSpacingAdd = add; 3559 mSpacingMult = mult; 3560 3561 if (mLayout != null) { 3562 nullLayouts(); 3563 requestLayout(); 3564 invalidate(); 3565 } 3566 } 3567 } 3568 3569 /** 3570 * Gets the line spacing multiplier 3571 * 3572 * @return the value by which each line's height is multiplied to get its actual height. 3573 * 3574 * @see #setLineSpacing(float, float) 3575 * @see #getLineSpacingExtra() 3576 * 3577 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 3578 */ 3579 public float getLineSpacingMultiplier() { 3580 return mSpacingMult; 3581 } 3582 3583 /** 3584 * Gets the line spacing extra space 3585 * 3586 * @return the extra space that is added to the height of each lines of this TextView. 3587 * 3588 * @see #setLineSpacing(float, float) 3589 * @see #getLineSpacingMultiplier() 3590 * 3591 * @attr ref android.R.styleable#TextView_lineSpacingExtra 3592 */ 3593 public float getLineSpacingExtra() { 3594 return mSpacingAdd; 3595 } 3596 3597 /** 3598 * Convenience method: Append the specified text to the TextView's 3599 * display buffer, upgrading it to BufferType.EDITABLE if it was 3600 * not already editable. 3601 */ 3602 public final void append(CharSequence text) { 3603 append(text, 0, text.length()); 3604 } 3605 3606 /** 3607 * Convenience method: Append the specified text slice to the TextView's 3608 * display buffer, upgrading it to BufferType.EDITABLE if it was 3609 * not already editable. 3610 */ 3611 public void append(CharSequence text, int start, int end) { 3612 if (!(mText instanceof Editable)) { 3613 setText(mText, BufferType.EDITABLE); 3614 } 3615 3616 ((Editable) mText).append(text, start, end); 3617 } 3618 3619 private void updateTextColors() { 3620 boolean inval = false; 3621 int color = mTextColor.getColorForState(getDrawableState(), 0); 3622 if (color != mCurTextColor) { 3623 mCurTextColor = color; 3624 inval = true; 3625 } 3626 if (mLinkTextColor != null) { 3627 color = mLinkTextColor.getColorForState(getDrawableState(), 0); 3628 if (color != mTextPaint.linkColor) { 3629 mTextPaint.linkColor = color; 3630 inval = true; 3631 } 3632 } 3633 if (mHintTextColor != null) { 3634 color = mHintTextColor.getColorForState(getDrawableState(), 0); 3635 if (color != mCurHintTextColor && mText.length() == 0) { 3636 mCurHintTextColor = color; 3637 inval = true; 3638 } 3639 } 3640 if (inval) { 3641 // Text needs to be redrawn with the new color 3642 if (mEditor != null) mEditor.invalidateTextDisplayList(); 3643 invalidate(); 3644 } 3645 } 3646 3647 @Override 3648 protected void drawableStateChanged() { 3649 super.drawableStateChanged(); 3650 if (mTextColor != null && mTextColor.isStateful() 3651 || (mHintTextColor != null && mHintTextColor.isStateful()) 3652 || (mLinkTextColor != null && mLinkTextColor.isStateful())) { 3653 updateTextColors(); 3654 } 3655 3656 final Drawables dr = mDrawables; 3657 if (dr != null) { 3658 int[] state = getDrawableState(); 3659 if (dr.mDrawableTop != null && dr.mDrawableTop.isStateful()) { 3660 dr.mDrawableTop.setState(state); 3661 } 3662 if (dr.mDrawableBottom != null && dr.mDrawableBottom.isStateful()) { 3663 dr.mDrawableBottom.setState(state); 3664 } 3665 if (dr.mDrawableLeft != null && dr.mDrawableLeft.isStateful()) { 3666 dr.mDrawableLeft.setState(state); 3667 } 3668 if (dr.mDrawableRight != null && dr.mDrawableRight.isStateful()) { 3669 dr.mDrawableRight.setState(state); 3670 } 3671 if (dr.mDrawableStart != null && dr.mDrawableStart.isStateful()) { 3672 dr.mDrawableStart.setState(state); 3673 } 3674 if (dr.mDrawableEnd != null && dr.mDrawableEnd.isStateful()) { 3675 dr.mDrawableEnd.setState(state); 3676 } 3677 } 3678 } 3679 3680 @Override 3681 public void drawableHotspotChanged(float x, float y) { 3682 super.drawableHotspotChanged(x, y); 3683 3684 final Drawables dr = mDrawables; 3685 if (dr != null) { 3686 if (dr.mDrawableTop != null) { 3687 dr.mDrawableTop.setHotspot(x, y); 3688 } 3689 if (dr.mDrawableBottom != null) { 3690 dr.mDrawableBottom.setHotspot(x, y); 3691 } 3692 if (dr.mDrawableLeft != null) { 3693 dr.mDrawableLeft.setHotspot(x, y); 3694 } 3695 if (dr.mDrawableRight != null) { 3696 dr.mDrawableRight.setHotspot(x, y); 3697 } 3698 if (dr.mDrawableStart != null) { 3699 dr.mDrawableStart.setHotspot(x, y); 3700 } 3701 if (dr.mDrawableEnd != null) { 3702 dr.mDrawableEnd.setHotspot(x, y); 3703 } 3704 } 3705 } 3706 3707 @Override 3708 public Parcelable onSaveInstanceState() { 3709 Parcelable superState = super.onSaveInstanceState(); 3710 3711 // Save state if we are forced to 3712 boolean save = mFreezesText; 3713 int start = 0; 3714 int end = 0; 3715 3716 if (mText != null) { 3717 start = getSelectionStart(); 3718 end = getSelectionEnd(); 3719 if (start >= 0 || end >= 0) { 3720 // Or save state if there is a selection 3721 save = true; 3722 } 3723 } 3724 3725 if (save) { 3726 SavedState ss = new SavedState(superState); 3727 // XXX Should also save the current scroll position! 3728 ss.selStart = start; 3729 ss.selEnd = end; 3730 3731 if (mText instanceof Spanned) { 3732 Spannable sp = new SpannableStringBuilder(mText); 3733 3734 if (mEditor != null) { 3735 removeMisspelledSpans(sp); 3736 sp.removeSpan(mEditor.mSuggestionRangeSpan); 3737 } 3738 3739 ss.text = sp; 3740 } else { 3741 ss.text = mText.toString(); 3742 } 3743 3744 if (isFocused() && start >= 0 && end >= 0) { 3745 ss.frozenWithFocus = true; 3746 } 3747 3748 ss.error = getError(); 3749 3750 return ss; 3751 } 3752 3753 return superState; 3754 } 3755 3756 void removeMisspelledSpans(Spannable spannable) { 3757 SuggestionSpan[] suggestionSpans = spannable.getSpans(0, spannable.length(), 3758 SuggestionSpan.class); 3759 for (int i = 0; i < suggestionSpans.length; i++) { 3760 int flags = suggestionSpans[i].getFlags(); 3761 if ((flags & SuggestionSpan.FLAG_EASY_CORRECT) != 0 3762 && (flags & SuggestionSpan.FLAG_MISSPELLED) != 0) { 3763 spannable.removeSpan(suggestionSpans[i]); 3764 } 3765 } 3766 } 3767 3768 @Override 3769 public void onRestoreInstanceState(Parcelable state) { 3770 if (!(state instanceof SavedState)) { 3771 super.onRestoreInstanceState(state); 3772 return; 3773 } 3774 3775 SavedState ss = (SavedState)state; 3776 super.onRestoreInstanceState(ss.getSuperState()); 3777 3778 // XXX restore buffer type too, as well as lots of other stuff 3779 if (ss.text != null) { 3780 setText(ss.text); 3781 } 3782 3783 if (ss.selStart >= 0 && ss.selEnd >= 0) { 3784 if (mText instanceof Spannable) { 3785 int len = mText.length(); 3786 3787 if (ss.selStart > len || ss.selEnd > len) { 3788 String restored = ""; 3789 3790 if (ss.text != null) { 3791 restored = "(restored) "; 3792 } 3793 3794 Log.e(LOG_TAG, "Saved cursor position " + ss.selStart + 3795 "/" + ss.selEnd + " out of range for " + restored + 3796 "text " + mText); 3797 } else { 3798 Selection.setSelection((Spannable) mText, ss.selStart, ss.selEnd); 3799 3800 if (ss.frozenWithFocus) { 3801 createEditorIfNeeded(); 3802 mEditor.mFrozenWithFocus = true; 3803 } 3804 } 3805 } 3806 } 3807 3808 if (ss.error != null) { 3809 final CharSequence error = ss.error; 3810 // Display the error later, after the first layout pass 3811 post(new Runnable() { 3812 public void run() { 3813 setError(error); 3814 } 3815 }); 3816 } 3817 } 3818 3819 /** 3820 * Control whether this text view saves its entire text contents when 3821 * freezing to an icicle, in addition to dynamic state such as cursor 3822 * position. By default this is false, not saving the text. Set to true 3823 * if the text in the text view is not being saved somewhere else in 3824 * persistent storage (such as in a content provider) so that if the 3825 * view is later thawed the user will not lose their data. 3826 * 3827 * @param freezesText Controls whether a frozen icicle should include the 3828 * entire text data: true to include it, false to not. 3829 * 3830 * @attr ref android.R.styleable#TextView_freezesText 3831 */ 3832 @android.view.RemotableViewMethod 3833 public void setFreezesText(boolean freezesText) { 3834 mFreezesText = freezesText; 3835 } 3836 3837 /** 3838 * Return whether this text view is including its entire text contents 3839 * in frozen icicles. 3840 * 3841 * @return Returns true if text is included, false if it isn't. 3842 * 3843 * @see #setFreezesText 3844 */ 3845 public boolean getFreezesText() { 3846 return mFreezesText; 3847 } 3848 3849 /////////////////////////////////////////////////////////////////////////// 3850 3851 /** 3852 * Sets the Factory used to create new Editables. 3853 */ 3854 public final void setEditableFactory(Editable.Factory factory) { 3855 mEditableFactory = factory; 3856 setText(mText); 3857 } 3858 3859 /** 3860 * Sets the Factory used to create new Spannables. 3861 */ 3862 public final void setSpannableFactory(Spannable.Factory factory) { 3863 mSpannableFactory = factory; 3864 setText(mText); 3865 } 3866 3867 /** 3868 * Sets the string value of the TextView. TextView <em>does not</em> accept 3869 * HTML-like formatting, which you can do with text strings in XML resource files. 3870 * To style your strings, attach android.text.style.* objects to a 3871 * {@link android.text.SpannableString SpannableString}, or see the 3872 * <a href="{@docRoot}guide/topics/resources/available-resources.html#stringresources"> 3873 * Available Resource Types</a> documentation for an example of setting 3874 * formatted text in the XML resource file. 3875 * 3876 * @attr ref android.R.styleable#TextView_text 3877 */ 3878 @android.view.RemotableViewMethod 3879 public final void setText(CharSequence text) { 3880 setText(text, mBufferType); 3881 } 3882 3883 /** 3884 * Like {@link #setText(CharSequence)}, 3885 * except that the cursor position (if any) is retained in the new text. 3886 * 3887 * @param text The new text to place in the text view. 3888 * 3889 * @see #setText(CharSequence) 3890 */ 3891 @android.view.RemotableViewMethod 3892 public final void setTextKeepState(CharSequence text) { 3893 setTextKeepState(text, mBufferType); 3894 } 3895 3896 /** 3897 * Sets the text that this TextView is to display (see 3898 * {@link #setText(CharSequence)}) and also sets whether it is stored 3899 * in a styleable/spannable buffer and whether it is editable. 3900 * 3901 * @attr ref android.R.styleable#TextView_text 3902 * @attr ref android.R.styleable#TextView_bufferType 3903 */ 3904 public void setText(CharSequence text, BufferType type) { 3905 setText(text, type, true, 0); 3906 3907 if (mCharWrapper != null) { 3908 mCharWrapper.mChars = null; 3909 } 3910 } 3911 3912 private void setText(CharSequence text, BufferType type, 3913 boolean notifyBefore, int oldlen) { 3914 if (text == null) { 3915 text = ""; 3916 } 3917 3918 // If suggestions are not enabled, remove the suggestion spans from the text 3919 if (!isSuggestionsEnabled()) { 3920 text = removeSuggestionSpans(text); 3921 } 3922 3923 if (!mUserSetTextScaleX) mTextPaint.setTextScaleX(1.0f); 3924 3925 if (text instanceof Spanned && 3926 ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) { 3927 if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) { 3928 setHorizontalFadingEdgeEnabled(true); 3929 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 3930 } else { 3931 setHorizontalFadingEdgeEnabled(false); 3932 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 3933 } 3934 setEllipsize(TextUtils.TruncateAt.MARQUEE); 3935 } 3936 3937 int n = mFilters.length; 3938 for (int i = 0; i < n; i++) { 3939 CharSequence out = mFilters[i].filter(text, 0, text.length(), EMPTY_SPANNED, 0, 0); 3940 if (out != null) { 3941 text = out; 3942 } 3943 } 3944 3945 if (notifyBefore) { 3946 if (mText != null) { 3947 oldlen = mText.length(); 3948 sendBeforeTextChanged(mText, 0, oldlen, text.length()); 3949 } else { 3950 sendBeforeTextChanged("", 0, 0, text.length()); 3951 } 3952 } 3953 3954 boolean needEditableForNotification = false; 3955 3956 if (mListeners != null && mListeners.size() != 0) { 3957 needEditableForNotification = true; 3958 } 3959 3960 if (type == BufferType.EDITABLE || getKeyListener() != null || 3961 needEditableForNotification) { 3962 createEditorIfNeeded(); 3963 Editable t = mEditableFactory.newEditable(text); 3964 text = t; 3965 setFilters(t, mFilters); 3966 InputMethodManager imm = InputMethodManager.peekInstance(); 3967 if (imm != null) imm.restartInput(this); 3968 } else if (type == BufferType.SPANNABLE || mMovement != null) { 3969 text = mSpannableFactory.newSpannable(text); 3970 } else if (!(text instanceof CharWrapper)) { 3971 text = TextUtils.stringOrSpannedString(text); 3972 } 3973 3974 if (mAutoLinkMask != 0) { 3975 Spannable s2; 3976 3977 if (type == BufferType.EDITABLE || text instanceof Spannable) { 3978 s2 = (Spannable) text; 3979 } else { 3980 s2 = mSpannableFactory.newSpannable(text); 3981 } 3982 3983 if (Linkify.addLinks(s2, mAutoLinkMask)) { 3984 text = s2; 3985 type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE; 3986 3987 /* 3988 * We must go ahead and set the text before changing the 3989 * movement method, because setMovementMethod() may call 3990 * setText() again to try to upgrade the buffer type. 3991 */ 3992 mText = text; 3993 3994 // Do not change the movement method for text that support text selection as it 3995 // would prevent an arbitrary cursor displacement. 3996 if (mLinksClickable && !textCanBeSelected()) { 3997 setMovementMethod(LinkMovementMethod.getInstance()); 3998 } 3999 } 4000 } 4001 4002 mBufferType = type; 4003 mText = text; 4004 4005 if (mTransformation == null) { 4006 mTransformed = text; 4007 } else { 4008 mTransformed = mTransformation.getTransformation(text, this); 4009 } 4010 4011 final int textLength = text.length(); 4012 4013 if (text instanceof Spannable && !mAllowTransformationLengthChange) { 4014 Spannable sp = (Spannable) text; 4015 4016 // Remove any ChangeWatchers that might have come from other TextViews. 4017 final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class); 4018 final int count = watchers.length; 4019 for (int i = 0; i < count; i++) { 4020 sp.removeSpan(watchers[i]); 4021 } 4022 4023 if (mChangeWatcher == null) mChangeWatcher = new ChangeWatcher(); 4024 4025 sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE | 4026 (CHANGE_WATCHER_PRIORITY << Spanned.SPAN_PRIORITY_SHIFT)); 4027 4028 if (mEditor != null) mEditor.addSpanWatchers(sp); 4029 4030 if (mTransformation != null) { 4031 sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 4032 } 4033 4034 if (mMovement != null) { 4035 mMovement.initialize(this, (Spannable) text); 4036 4037 /* 4038 * Initializing the movement method will have set the 4039 * selection, so reset mSelectionMoved to keep that from 4040 * interfering with the normal on-focus selection-setting. 4041 */ 4042 if (mEditor != null) mEditor.mSelectionMoved = false; 4043 } 4044 } 4045 4046 if (mLayout != null) { 4047 checkForRelayout(); 4048 } 4049 4050 sendOnTextChanged(text, 0, oldlen, textLength); 4051 onTextChanged(text, 0, oldlen, textLength); 4052 4053 notifyViewAccessibilityStateChangedIfNeeded(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT); 4054 4055 if (needEditableForNotification) { 4056 sendAfterTextChanged((Editable) text); 4057 } 4058 4059 // SelectionModifierCursorController depends on textCanBeSelected, which depends on text 4060 if (mEditor != null) mEditor.prepareCursorControllers(); 4061 } 4062 4063 /** 4064 * Sets the TextView to display the specified slice of the specified 4065 * char array. You must promise that you will not change the contents 4066 * of the array except for right before another call to setText(), 4067 * since the TextView has no way to know that the text 4068 * has changed and that it needs to invalidate and re-layout. 4069 */ 4070 public final void setText(char[] text, int start, int len) { 4071 int oldlen = 0; 4072 4073 if (start < 0 || len < 0 || start + len > text.length) { 4074 throw new IndexOutOfBoundsException(start + ", " + len); 4075 } 4076 4077 /* 4078 * We must do the before-notification here ourselves because if 4079 * the old text is a CharWrapper we destroy it before calling 4080 * into the normal path. 4081 */ 4082 if (mText != null) { 4083 oldlen = mText.length(); 4084 sendBeforeTextChanged(mText, 0, oldlen, len); 4085 } else { 4086 sendBeforeTextChanged("", 0, 0, len); 4087 } 4088 4089 if (mCharWrapper == null) { 4090 mCharWrapper = new CharWrapper(text, start, len); 4091 } else { 4092 mCharWrapper.set(text, start, len); 4093 } 4094 4095 setText(mCharWrapper, mBufferType, false, oldlen); 4096 } 4097 4098 /** 4099 * Like {@link #setText(CharSequence, android.widget.TextView.BufferType)}, 4100 * except that the cursor position (if any) is retained in the new text. 4101 * 4102 * @see #setText(CharSequence, android.widget.TextView.BufferType) 4103 */ 4104 public final void setTextKeepState(CharSequence text, BufferType type) { 4105 int start = getSelectionStart(); 4106 int end = getSelectionEnd(); 4107 int len = text.length(); 4108 4109 setText(text, type); 4110 4111 if (start >= 0 || end >= 0) { 4112 if (mText instanceof Spannable) { 4113 Selection.setSelection((Spannable) mText, 4114 Math.max(0, Math.min(start, len)), 4115 Math.max(0, Math.min(end, len))); 4116 } 4117 } 4118 } 4119 4120 @android.view.RemotableViewMethod 4121 public final void setText(int resid) { 4122 setText(getContext().getResources().getText(resid)); 4123 } 4124 4125 public final void setText(int resid, BufferType type) { 4126 setText(getContext().getResources().getText(resid), type); 4127 } 4128 4129 /** 4130 * Sets the text to be displayed when the text of the TextView is empty. 4131 * Null means to use the normal empty text. The hint does not currently 4132 * participate in determining the size of the view. 4133 * 4134 * @attr ref android.R.styleable#TextView_hint 4135 */ 4136 @android.view.RemotableViewMethod 4137 public final void setHint(CharSequence hint) { 4138 mHint = TextUtils.stringOrSpannedString(hint); 4139 4140 if (mLayout != null) { 4141 checkForRelayout(); 4142 } 4143 4144 if (mText.length() == 0) { 4145 invalidate(); 4146 } 4147 4148 // Invalidate display list if hint is currently used 4149 if (mEditor != null && mText.length() == 0 && mHint != null) { 4150 mEditor.invalidateTextDisplayList(); 4151 } 4152 } 4153 4154 /** 4155 * Sets the text to be displayed when the text of the TextView is empty, 4156 * from a resource. 4157 * 4158 * @attr ref android.R.styleable#TextView_hint 4159 */ 4160 @android.view.RemotableViewMethod 4161 public final void setHint(int resid) { 4162 setHint(getContext().getResources().getText(resid)); 4163 } 4164 4165 /** 4166 * Returns the hint that is displayed when the text of the TextView 4167 * is empty. 4168 * 4169 * @attr ref android.R.styleable#TextView_hint 4170 */ 4171 @ViewDebug.CapturedViewProperty 4172 public CharSequence getHint() { 4173 return mHint; 4174 } 4175 4176 boolean isSingleLine() { 4177 return mSingleLine; 4178 } 4179 4180 private static boolean isMultilineInputType(int type) { 4181 return (type & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) == 4182 (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 4183 } 4184 4185 /** 4186 * Removes the suggestion spans. 4187 */ 4188 CharSequence removeSuggestionSpans(CharSequence text) { 4189 if (text instanceof Spanned) { 4190 Spannable spannable; 4191 if (text instanceof Spannable) { 4192 spannable = (Spannable) text; 4193 } else { 4194 spannable = new SpannableString(text); 4195 text = spannable; 4196 } 4197 4198 SuggestionSpan[] spans = spannable.getSpans(0, text.length(), SuggestionSpan.class); 4199 for (int i = 0; i < spans.length; i++) { 4200 spannable.removeSpan(spans[i]); 4201 } 4202 } 4203 return text; 4204 } 4205 4206 /** 4207 * Set the type of the content with a constant as defined for {@link EditorInfo#inputType}. This 4208 * will take care of changing the key listener, by calling {@link #setKeyListener(KeyListener)}, 4209 * to match the given content type. If the given content type is {@link EditorInfo#TYPE_NULL} 4210 * then a soft keyboard will not be displayed for this text view. 4211 * 4212 * Note that the maximum number of displayed lines (see {@link #setMaxLines(int)}) will be 4213 * modified if you change the {@link EditorInfo#TYPE_TEXT_FLAG_MULTI_LINE} flag of the input 4214 * type. 4215 * 4216 * @see #getInputType() 4217 * @see #setRawInputType(int) 4218 * @see android.text.InputType 4219 * @attr ref android.R.styleable#TextView_inputType 4220 */ 4221 public void setInputType(int type) { 4222 final boolean wasPassword = isPasswordInputType(getInputType()); 4223 final boolean wasVisiblePassword = isVisiblePasswordInputType(getInputType()); 4224 setInputType(type, false); 4225 final boolean isPassword = isPasswordInputType(type); 4226 final boolean isVisiblePassword = isVisiblePasswordInputType(type); 4227 boolean forceUpdate = false; 4228 if (isPassword) { 4229 setTransformationMethod(PasswordTransformationMethod.getInstance()); 4230 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 4231 } else if (isVisiblePassword) { 4232 if (mTransformation == PasswordTransformationMethod.getInstance()) { 4233 forceUpdate = true; 4234 } 4235 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 4236 } else if (wasPassword || wasVisiblePassword) { 4237 // not in password mode, clean up typeface and transformation 4238 setTypefaceFromAttrs(null /* fontFamily */, -1, -1); 4239 if (mTransformation == PasswordTransformationMethod.getInstance()) { 4240 forceUpdate = true; 4241 } 4242 } 4243 4244 boolean singleLine = !isMultilineInputType(type); 4245 4246 // We need to update the single line mode if it has changed or we 4247 // were previously in password mode. 4248 if (mSingleLine != singleLine || forceUpdate) { 4249 // Change single line mode, but only change the transformation if 4250 // we are not in password mode. 4251 applySingleLine(singleLine, !isPassword, true); 4252 } 4253 4254 if (!isSuggestionsEnabled()) { 4255 mText = removeSuggestionSpans(mText); 4256 } 4257 4258 InputMethodManager imm = InputMethodManager.peekInstance(); 4259 if (imm != null) imm.restartInput(this); 4260 } 4261 4262 /** 4263 * It would be better to rely on the input type for everything. A password inputType should have 4264 * a password transformation. We should hence use isPasswordInputType instead of this method. 4265 * 4266 * We should: 4267 * - Call setInputType in setKeyListener instead of changing the input type directly (which 4268 * would install the correct transformation). 4269 * - Refuse the installation of a non-password transformation in setTransformation if the input 4270 * type is password. 4271 * 4272 * However, this is like this for legacy reasons and we cannot break existing apps. This method 4273 * is useful since it matches what the user can see (obfuscated text or not). 4274 * 4275 * @return true if the current transformation method is of the password type. 4276 */ 4277 private boolean hasPasswordTransformationMethod() { 4278 return mTransformation instanceof PasswordTransformationMethod; 4279 } 4280 4281 private static boolean isPasswordInputType(int inputType) { 4282 final int variation = 4283 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4284 return variation 4285 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD) 4286 || variation 4287 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD) 4288 || variation 4289 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 4290 } 4291 4292 private static boolean isVisiblePasswordInputType(int inputType) { 4293 final int variation = 4294 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4295 return variation 4296 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 4297 } 4298 4299 /** 4300 * Directly change the content type integer of the text view, without 4301 * modifying any other state. 4302 * @see #setInputType(int) 4303 * @see android.text.InputType 4304 * @attr ref android.R.styleable#TextView_inputType 4305 */ 4306 public void setRawInputType(int type) { 4307 if (type == InputType.TYPE_NULL && mEditor == null) return; //TYPE_NULL is the default value 4308 createEditorIfNeeded(); 4309 mEditor.mInputType = type; 4310 } 4311 4312 private void setInputType(int type, boolean direct) { 4313 final int cls = type & EditorInfo.TYPE_MASK_CLASS; 4314 KeyListener input; 4315 if (cls == EditorInfo.TYPE_CLASS_TEXT) { 4316 boolean autotext = (type & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) != 0; 4317 TextKeyListener.Capitalize cap; 4318 if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS) != 0) { 4319 cap = TextKeyListener.Capitalize.CHARACTERS; 4320 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS) != 0) { 4321 cap = TextKeyListener.Capitalize.WORDS; 4322 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES) != 0) { 4323 cap = TextKeyListener.Capitalize.SENTENCES; 4324 } else { 4325 cap = TextKeyListener.Capitalize.NONE; 4326 } 4327 input = TextKeyListener.getInstance(autotext, cap); 4328 } else if (cls == EditorInfo.TYPE_CLASS_NUMBER) { 4329 input = DigitsKeyListener.getInstance( 4330 (type & EditorInfo.TYPE_NUMBER_FLAG_SIGNED) != 0, 4331 (type & EditorInfo.TYPE_NUMBER_FLAG_DECIMAL) != 0); 4332 } else if (cls == EditorInfo.TYPE_CLASS_DATETIME) { 4333 switch (type & EditorInfo.TYPE_MASK_VARIATION) { 4334 case EditorInfo.TYPE_DATETIME_VARIATION_DATE: 4335 input = DateKeyListener.getInstance(); 4336 break; 4337 case EditorInfo.TYPE_DATETIME_VARIATION_TIME: 4338 input = TimeKeyListener.getInstance(); 4339 break; 4340 default: 4341 input = DateTimeKeyListener.getInstance(); 4342 break; 4343 } 4344 } else if (cls == EditorInfo.TYPE_CLASS_PHONE) { 4345 input = DialerKeyListener.getInstance(); 4346 } else { 4347 input = TextKeyListener.getInstance(); 4348 } 4349 setRawInputType(type); 4350 if (direct) { 4351 createEditorIfNeeded(); 4352 mEditor.mKeyListener = input; 4353 } else { 4354 setKeyListenerOnly(input); 4355 } 4356 } 4357 4358 /** 4359 * Get the type of the editable content. 4360 * 4361 * @see #setInputType(int) 4362 * @see android.text.InputType 4363 */ 4364 public int getInputType() { 4365 return mEditor == null ? EditorInfo.TYPE_NULL : mEditor.mInputType; 4366 } 4367 4368 /** 4369 * Change the editor type integer associated with the text view, which 4370 * will be reported to an IME with {@link EditorInfo#imeOptions} when it 4371 * has focus. 4372 * @see #getImeOptions 4373 * @see android.view.inputmethod.EditorInfo 4374 * @attr ref android.R.styleable#TextView_imeOptions 4375 */ 4376 public void setImeOptions(int imeOptions) { 4377 createEditorIfNeeded(); 4378 mEditor.createInputContentTypeIfNeeded(); 4379 mEditor.mInputContentType.imeOptions = imeOptions; 4380 } 4381 4382 /** 4383 * Get the type of the IME editor. 4384 * 4385 * @see #setImeOptions(int) 4386 * @see android.view.inputmethod.EditorInfo 4387 */ 4388 public int getImeOptions() { 4389 return mEditor != null && mEditor.mInputContentType != null 4390 ? mEditor.mInputContentType.imeOptions : EditorInfo.IME_NULL; 4391 } 4392 4393 /** 4394 * Change the custom IME action associated with the text view, which 4395 * will be reported to an IME with {@link EditorInfo#actionLabel} 4396 * and {@link EditorInfo#actionId} when it has focus. 4397 * @see #getImeActionLabel 4398 * @see #getImeActionId 4399 * @see android.view.inputmethod.EditorInfo 4400 * @attr ref android.R.styleable#TextView_imeActionLabel 4401 * @attr ref android.R.styleable#TextView_imeActionId 4402 */ 4403 public void setImeActionLabel(CharSequence label, int actionId) { 4404 createEditorIfNeeded(); 4405 mEditor.createInputContentTypeIfNeeded(); 4406 mEditor.mInputContentType.imeActionLabel = label; 4407 mEditor.mInputContentType.imeActionId = actionId; 4408 } 4409 4410 /** 4411 * Get the IME action label previous set with {@link #setImeActionLabel}. 4412 * 4413 * @see #setImeActionLabel 4414 * @see android.view.inputmethod.EditorInfo 4415 */ 4416 public CharSequence getImeActionLabel() { 4417 return mEditor != null && mEditor.mInputContentType != null 4418 ? mEditor.mInputContentType.imeActionLabel : null; 4419 } 4420 4421 /** 4422 * Get the IME action ID previous set with {@link #setImeActionLabel}. 4423 * 4424 * @see #setImeActionLabel 4425 * @see android.view.inputmethod.EditorInfo 4426 */ 4427 public int getImeActionId() { 4428 return mEditor != null && mEditor.mInputContentType != null 4429 ? mEditor.mInputContentType.imeActionId : 0; 4430 } 4431 4432 /** 4433 * Set a special listener to be called when an action is performed 4434 * on the text view. This will be called when the enter key is pressed, 4435 * or when an action supplied to the IME is selected by the user. Setting 4436 * this means that the normal hard key event will not insert a newline 4437 * into the text view, even if it is multi-line; holding down the ALT 4438 * modifier will, however, allow the user to insert a newline character. 4439 */ 4440 public void setOnEditorActionListener(OnEditorActionListener l) { 4441 createEditorIfNeeded(); 4442 mEditor.createInputContentTypeIfNeeded(); 4443 mEditor.mInputContentType.onEditorActionListener = l; 4444 } 4445 4446 /** 4447 * Called when an attached input method calls 4448 * {@link InputConnection#performEditorAction(int) 4449 * InputConnection.performEditorAction()} 4450 * for this text view. The default implementation will call your action 4451 * listener supplied to {@link #setOnEditorActionListener}, or perform 4452 * a standard operation for {@link EditorInfo#IME_ACTION_NEXT 4453 * EditorInfo.IME_ACTION_NEXT}, {@link EditorInfo#IME_ACTION_PREVIOUS 4454 * EditorInfo.IME_ACTION_PREVIOUS}, or {@link EditorInfo#IME_ACTION_DONE 4455 * EditorInfo.IME_ACTION_DONE}. 4456 * 4457 * <p>For backwards compatibility, if no IME options have been set and the 4458 * text view would not normally advance focus on enter, then 4459 * the NEXT and DONE actions received here will be turned into an enter 4460 * key down/up pair to go through the normal key handling. 4461 * 4462 * @param actionCode The code of the action being performed. 4463 * 4464 * @see #setOnEditorActionListener 4465 */ 4466 public void onEditorAction(int actionCode) { 4467 final Editor.InputContentType ict = mEditor == null ? null : mEditor.mInputContentType; 4468 if (ict != null) { 4469 if (ict.onEditorActionListener != null) { 4470 if (ict.onEditorActionListener.onEditorAction(this, 4471 actionCode, null)) { 4472 return; 4473 } 4474 } 4475 4476 // This is the handling for some default action. 4477 // Note that for backwards compatibility we don't do this 4478 // default handling if explicit ime options have not been given, 4479 // instead turning this into the normal enter key codes that an 4480 // app may be expecting. 4481 if (actionCode == EditorInfo.IME_ACTION_NEXT) { 4482 View v = focusSearch(FOCUS_FORWARD); 4483 if (v != null) { 4484 if (!v.requestFocus(FOCUS_FORWARD)) { 4485 throw new IllegalStateException("focus search returned a view " + 4486 "that wasn't able to take focus!"); 4487 } 4488 } 4489 return; 4490 4491 } else if (actionCode == EditorInfo.IME_ACTION_PREVIOUS) { 4492 View v = focusSearch(FOCUS_BACKWARD); 4493 if (v != null) { 4494 if (!v.requestFocus(FOCUS_BACKWARD)) { 4495 throw new IllegalStateException("focus search returned a view " + 4496 "that wasn't able to take focus!"); 4497 } 4498 } 4499 return; 4500 4501 } else if (actionCode == EditorInfo.IME_ACTION_DONE) { 4502 InputMethodManager imm = InputMethodManager.peekInstance(); 4503 if (imm != null && imm.isActive(this)) { 4504 imm.hideSoftInputFromWindow(getWindowToken(), 0); 4505 } 4506 return; 4507 } 4508 } 4509 4510 ViewRootImpl viewRootImpl = getViewRootImpl(); 4511 if (viewRootImpl != null) { 4512 long eventTime = SystemClock.uptimeMillis(); 4513 viewRootImpl.dispatchKeyFromIme( 4514 new KeyEvent(eventTime, eventTime, 4515 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER, 0, 0, 4516 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4517 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4518 | KeyEvent.FLAG_EDITOR_ACTION)); 4519 viewRootImpl.dispatchKeyFromIme( 4520 new KeyEvent(SystemClock.uptimeMillis(), eventTime, 4521 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER, 0, 0, 4522 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4523 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4524 | KeyEvent.FLAG_EDITOR_ACTION)); 4525 } 4526 } 4527 4528 /** 4529 * Set the private content type of the text, which is the 4530 * {@link EditorInfo#privateImeOptions EditorInfo.privateImeOptions} 4531 * field that will be filled in when creating an input connection. 4532 * 4533 * @see #getPrivateImeOptions() 4534 * @see EditorInfo#privateImeOptions 4535 * @attr ref android.R.styleable#TextView_privateImeOptions 4536 */ 4537 public void setPrivateImeOptions(String type) { 4538 createEditorIfNeeded(); 4539 mEditor.createInputContentTypeIfNeeded(); 4540 mEditor.mInputContentType.privateImeOptions = type; 4541 } 4542 4543 /** 4544 * Get the private type of the content. 4545 * 4546 * @see #setPrivateImeOptions(String) 4547 * @see EditorInfo#privateImeOptions 4548 */ 4549 public String getPrivateImeOptions() { 4550 return mEditor != null && mEditor.mInputContentType != null 4551 ? mEditor.mInputContentType.privateImeOptions : null; 4552 } 4553 4554 /** 4555 * Set the extra input data of the text, which is the 4556 * {@link EditorInfo#extras TextBoxAttribute.extras} 4557 * Bundle that will be filled in when creating an input connection. The 4558 * given integer is the resource ID of an XML resource holding an 4559 * {@link android.R.styleable#InputExtras <input-extras>} XML tree. 4560 * 4561 * @see #getInputExtras(boolean) 4562 * @see EditorInfo#extras 4563 * @attr ref android.R.styleable#TextView_editorExtras 4564 */ 4565 public void setInputExtras(int xmlResId) throws XmlPullParserException, IOException { 4566 createEditorIfNeeded(); 4567 XmlResourceParser parser = getResources().getXml(xmlResId); 4568 mEditor.createInputContentTypeIfNeeded(); 4569 mEditor.mInputContentType.extras = new Bundle(); 4570 getResources().parseBundleExtras(parser, mEditor.mInputContentType.extras); 4571 } 4572 4573 /** 4574 * Retrieve the input extras currently associated with the text view, which 4575 * can be viewed as well as modified. 4576 * 4577 * @param create If true, the extras will be created if they don't already 4578 * exist. Otherwise, null will be returned if none have been created. 4579 * @see #setInputExtras(int) 4580 * @see EditorInfo#extras 4581 * @attr ref android.R.styleable#TextView_editorExtras 4582 */ 4583 public Bundle getInputExtras(boolean create) { 4584 if (mEditor == null && !create) return null; 4585 createEditorIfNeeded(); 4586 if (mEditor.mInputContentType == null) { 4587 if (!create) return null; 4588 mEditor.createInputContentTypeIfNeeded(); 4589 } 4590 if (mEditor.mInputContentType.extras == null) { 4591 if (!create) return null; 4592 mEditor.mInputContentType.extras = new Bundle(); 4593 } 4594 return mEditor.mInputContentType.extras; 4595 } 4596 4597 /** 4598 * Returns the error message that was set to be displayed with 4599 * {@link #setError}, or <code>null</code> if no error was set 4600 * or if it the error was cleared by the widget after user input. 4601 */ 4602 public CharSequence getError() { 4603 return mEditor == null ? null : mEditor.mError; 4604 } 4605 4606 /** 4607 * Sets the right-hand compound drawable of the TextView to the "error" 4608 * icon and sets an error message that will be displayed in a popup when 4609 * the TextView has focus. The icon and error message will be reset to 4610 * null when any key events cause changes to the TextView's text. If the 4611 * <code>error</code> is <code>null</code>, the error message and icon 4612 * will be cleared. 4613 */ 4614 @android.view.RemotableViewMethod 4615 public void setError(CharSequence error) { 4616 if (error == null) { 4617 setError(null, null); 4618 } else { 4619 Drawable dr = getContext().getDrawable( 4620 com.android.internal.R.drawable.indicator_input_error); 4621 4622 dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight()); 4623 setError(error, dr); 4624 } 4625 } 4626 4627 /** 4628 * Sets the right-hand compound drawable of the TextView to the specified 4629 * icon and sets an error message that will be displayed in a popup when 4630 * the TextView has focus. The icon and error message will be reset to 4631 * null when any key events cause changes to the TextView's text. The 4632 * drawable must already have had {@link Drawable#setBounds} set on it. 4633 * If the <code>error</code> is <code>null</code>, the error message will 4634 * be cleared (and you should provide a <code>null</code> icon as well). 4635 */ 4636 public void setError(CharSequence error, Drawable icon) { 4637 createEditorIfNeeded(); 4638 mEditor.setError(error, icon); 4639 notifyViewAccessibilityStateChangedIfNeeded( 4640 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 4641 } 4642 4643 @Override 4644 protected boolean setFrame(int l, int t, int r, int b) { 4645 boolean result = super.setFrame(l, t, r, b); 4646 4647 if (mEditor != null) mEditor.setFrame(); 4648 4649 restartMarqueeIfNeeded(); 4650 4651 return result; 4652 } 4653 4654 private void restartMarqueeIfNeeded() { 4655 if (mRestartMarquee && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 4656 mRestartMarquee = false; 4657 startMarquee(); 4658 } 4659 } 4660 4661 /** 4662 * Sets the list of input filters that will be used if the buffer is 4663 * Editable. Has no effect otherwise. 4664 * 4665 * @attr ref android.R.styleable#TextView_maxLength 4666 */ 4667 public void setFilters(InputFilter[] filters) { 4668 if (filters == null) { 4669 throw new IllegalArgumentException(); 4670 } 4671 4672 mFilters = filters; 4673 4674 if (mText instanceof Editable) { 4675 setFilters((Editable) mText, filters); 4676 } 4677 } 4678 4679 /** 4680 * Sets the list of input filters on the specified Editable, 4681 * and includes mInput in the list if it is an InputFilter. 4682 */ 4683 private void setFilters(Editable e, InputFilter[] filters) { 4684 if (mEditor != null) { 4685 final boolean undoFilter = mEditor.mUndoInputFilter != null; 4686 final boolean keyFilter = mEditor.mKeyListener instanceof InputFilter; 4687 int num = 0; 4688 if (undoFilter) num++; 4689 if (keyFilter) num++; 4690 if (num > 0) { 4691 InputFilter[] nf = new InputFilter[filters.length + num]; 4692 4693 System.arraycopy(filters, 0, nf, 0, filters.length); 4694 num = 0; 4695 if (undoFilter) { 4696 nf[filters.length] = mEditor.mUndoInputFilter; 4697 num++; 4698 } 4699 if (keyFilter) { 4700 nf[filters.length + num] = (InputFilter) mEditor.mKeyListener; 4701 } 4702 4703 e.setFilters(nf); 4704 return; 4705 } 4706 } 4707 e.setFilters(filters); 4708 } 4709 4710 /** 4711 * Returns the current list of input filters. 4712 * 4713 * @attr ref android.R.styleable#TextView_maxLength 4714 */ 4715 public InputFilter[] getFilters() { 4716 return mFilters; 4717 } 4718 4719 ///////////////////////////////////////////////////////////////////////// 4720 4721 private int getBoxHeight(Layout l) { 4722 Insets opticalInsets = isLayoutModeOptical(mParent) ? getOpticalInsets() : Insets.NONE; 4723 int padding = (l == mHintLayout) ? 4724 getCompoundPaddingTop() + getCompoundPaddingBottom() : 4725 getExtendedPaddingTop() + getExtendedPaddingBottom(); 4726 return getMeasuredHeight() - padding + opticalInsets.top + opticalInsets.bottom; 4727 } 4728 4729 int getVerticalOffset(boolean forceNormal) { 4730 int voffset = 0; 4731 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 4732 4733 Layout l = mLayout; 4734 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 4735 l = mHintLayout; 4736 } 4737 4738 if (gravity != Gravity.TOP) { 4739 int boxht = getBoxHeight(l); 4740 int textht = l.getHeight(); 4741 4742 if (textht < boxht) { 4743 if (gravity == Gravity.BOTTOM) 4744 voffset = boxht - textht; 4745 else // (gravity == Gravity.CENTER_VERTICAL) 4746 voffset = (boxht - textht) >> 1; 4747 } 4748 } 4749 return voffset; 4750 } 4751 4752 private int getBottomVerticalOffset(boolean forceNormal) { 4753 int voffset = 0; 4754 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 4755 4756 Layout l = mLayout; 4757 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 4758 l = mHintLayout; 4759 } 4760 4761 if (gravity != Gravity.BOTTOM) { 4762 int boxht = getBoxHeight(l); 4763 int textht = l.getHeight(); 4764 4765 if (textht < boxht) { 4766 if (gravity == Gravity.TOP) 4767 voffset = boxht - textht; 4768 else // (gravity == Gravity.CENTER_VERTICAL) 4769 voffset = (boxht - textht) >> 1; 4770 } 4771 } 4772 return voffset; 4773 } 4774 4775 void invalidateCursorPath() { 4776 if (mHighlightPathBogus) { 4777 invalidateCursor(); 4778 } else { 4779 final int horizontalPadding = getCompoundPaddingLeft(); 4780 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 4781 4782 if (mEditor.mCursorCount == 0) { 4783 synchronized (TEMP_RECTF) { 4784 /* 4785 * The reason for this concern about the thickness of the 4786 * cursor and doing the floor/ceil on the coordinates is that 4787 * some EditTexts (notably textfields in the Browser) have 4788 * anti-aliased text where not all the characters are 4789 * necessarily at integer-multiple locations. This should 4790 * make sure the entire cursor gets invalidated instead of 4791 * sometimes missing half a pixel. 4792 */ 4793 float thick = FloatMath.ceil(mTextPaint.getStrokeWidth()); 4794 if (thick < 1.0f) { 4795 thick = 1.0f; 4796 } 4797 4798 thick /= 2.0f; 4799 4800 // mHighlightPath is guaranteed to be non null at that point. 4801 mHighlightPath.computeBounds(TEMP_RECTF, false); 4802 4803 invalidate((int) FloatMath.floor(horizontalPadding + TEMP_RECTF.left - thick), 4804 (int) FloatMath.floor(verticalPadding + TEMP_RECTF.top - thick), 4805 (int) FloatMath.ceil(horizontalPadding + TEMP_RECTF.right + thick), 4806 (int) FloatMath.ceil(verticalPadding + TEMP_RECTF.bottom + thick)); 4807 } 4808 } else { 4809 for (int i = 0; i < mEditor.mCursorCount; i++) { 4810 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 4811 invalidate(bounds.left + horizontalPadding, bounds.top + verticalPadding, 4812 bounds.right + horizontalPadding, bounds.bottom + verticalPadding); 4813 } 4814 } 4815 } 4816 } 4817 4818 void invalidateCursor() { 4819 int where = getSelectionEnd(); 4820 4821 invalidateCursor(where, where, where); 4822 } 4823 4824 private void invalidateCursor(int a, int b, int c) { 4825 if (a >= 0 || b >= 0 || c >= 0) { 4826 int start = Math.min(Math.min(a, b), c); 4827 int end = Math.max(Math.max(a, b), c); 4828 invalidateRegion(start, end, true /* Also invalidates blinking cursor */); 4829 } 4830 } 4831 4832 /** 4833 * Invalidates the region of text enclosed between the start and end text offsets. 4834 */ 4835 void invalidateRegion(int start, int end, boolean invalidateCursor) { 4836 if (mLayout == null) { 4837 invalidate(); 4838 } else { 4839 int lineStart = mLayout.getLineForOffset(start); 4840 int top = mLayout.getLineTop(lineStart); 4841 4842 // This is ridiculous, but the descent from the line above 4843 // can hang down into the line we really want to redraw, 4844 // so we have to invalidate part of the line above to make 4845 // sure everything that needs to be redrawn really is. 4846 // (But not the whole line above, because that would cause 4847 // the same problem with the descenders on the line above it!) 4848 if (lineStart > 0) { 4849 top -= mLayout.getLineDescent(lineStart - 1); 4850 } 4851 4852 int lineEnd; 4853 4854 if (start == end) 4855 lineEnd = lineStart; 4856 else 4857 lineEnd = mLayout.getLineForOffset(end); 4858 4859 int bottom = mLayout.getLineBottom(lineEnd); 4860 4861 // mEditor can be null in case selection is set programmatically. 4862 if (invalidateCursor && mEditor != null) { 4863 for (int i = 0; i < mEditor.mCursorCount; i++) { 4864 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 4865 top = Math.min(top, bounds.top); 4866 bottom = Math.max(bottom, bounds.bottom); 4867 } 4868 } 4869 4870 final int compoundPaddingLeft = getCompoundPaddingLeft(); 4871 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 4872 4873 int left, right; 4874 if (lineStart == lineEnd && !invalidateCursor) { 4875 left = (int) mLayout.getPrimaryHorizontal(start); 4876 right = (int) (mLayout.getPrimaryHorizontal(end) + 1.0); 4877 left += compoundPaddingLeft; 4878 right += compoundPaddingLeft; 4879 } else { 4880 // Rectangle bounding box when the region spans several lines 4881 left = compoundPaddingLeft; 4882 right = getWidth() - getCompoundPaddingRight(); 4883 } 4884 4885 invalidate(mScrollX + left, verticalPadding + top, 4886 mScrollX + right, verticalPadding + bottom); 4887 } 4888 } 4889 4890 private void registerForPreDraw() { 4891 if (!mPreDrawRegistered) { 4892 getViewTreeObserver().addOnPreDrawListener(this); 4893 mPreDrawRegistered = true; 4894 } 4895 } 4896 4897 private void unregisterForPreDraw() { 4898 getViewTreeObserver().removeOnPreDrawListener(this); 4899 mPreDrawRegistered = false; 4900 mPreDrawListenerDetached = false; 4901 } 4902 4903 /** 4904 * {@inheritDoc} 4905 */ 4906 public boolean onPreDraw() { 4907 if (mLayout == null) { 4908 assumeLayout(); 4909 } 4910 4911 if (mMovement != null) { 4912 /* This code also provides auto-scrolling when a cursor is moved using a 4913 * CursorController (insertion point or selection limits). 4914 * For selection, ensure start or end is visible depending on controller's state. 4915 */ 4916 int curs = getSelectionEnd(); 4917 // Do not create the controller if it is not already created. 4918 if (mEditor != null && mEditor.mSelectionModifierCursorController != null && 4919 mEditor.mSelectionModifierCursorController.isSelectionStartDragged()) { 4920 curs = getSelectionStart(); 4921 } 4922 4923 /* 4924 * TODO: This should really only keep the end in view if 4925 * it already was before the text changed. I'm not sure 4926 * of a good way to tell from here if it was. 4927 */ 4928 if (curs < 0 && (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 4929 curs = mText.length(); 4930 } 4931 4932 if (curs >= 0) { 4933 bringPointIntoView(curs); 4934 } 4935 } else { 4936 bringTextIntoView(); 4937 } 4938 4939 // This has to be checked here since: 4940 // - onFocusChanged cannot start it when focus is given to a view with selected text (after 4941 // a screen rotation) since layout is not yet initialized at that point. 4942 if (mEditor != null && mEditor.mCreatedWithASelection) { 4943 mEditor.startSelectionActionMode(); 4944 mEditor.mCreatedWithASelection = false; 4945 } 4946 4947 // Phone specific code (there is no ExtractEditText on tablets). 4948 // ExtractEditText does not call onFocus when it is displayed, and mHasSelectionOnFocus can 4949 // not be set. Do the test here instead. 4950 if (this instanceof ExtractEditText && hasSelection() && mEditor != null) { 4951 mEditor.startSelectionActionMode(); 4952 } 4953 4954 unregisterForPreDraw(); 4955 4956 return true; 4957 } 4958 4959 @Override 4960 protected void onAttachedToWindow() { 4961 super.onAttachedToWindow(); 4962 4963 mTemporaryDetach = false; 4964 4965 if (mEditor != null) mEditor.onAttachedToWindow(); 4966 4967 if (mPreDrawListenerDetached) { 4968 getViewTreeObserver().addOnPreDrawListener(this); 4969 mPreDrawListenerDetached = false; 4970 } 4971 } 4972 4973 /** @hide */ 4974 @Override 4975 protected void onDetachedFromWindowInternal() { 4976 if (mPreDrawRegistered) { 4977 getViewTreeObserver().removeOnPreDrawListener(this); 4978 mPreDrawListenerDetached = true; 4979 } 4980 4981 resetResolvedDrawables(); 4982 4983 if (mEditor != null) mEditor.onDetachedFromWindow(); 4984 4985 super.onDetachedFromWindowInternal(); 4986 } 4987 4988 @Override 4989 public void onScreenStateChanged(int screenState) { 4990 super.onScreenStateChanged(screenState); 4991 if (mEditor != null) mEditor.onScreenStateChanged(screenState); 4992 } 4993 4994 @Override 4995 protected boolean isPaddingOffsetRequired() { 4996 return mShadowRadius != 0 || mDrawables != null; 4997 } 4998 4999 @Override 5000 protected int getLeftPaddingOffset() { 5001 return getCompoundPaddingLeft() - mPaddingLeft + 5002 (int) Math.min(0, mShadowDx - mShadowRadius); 5003 } 5004 5005 @Override 5006 protected int getTopPaddingOffset() { 5007 return (int) Math.min(0, mShadowDy - mShadowRadius); 5008 } 5009 5010 @Override 5011 protected int getBottomPaddingOffset() { 5012 return (int) Math.max(0, mShadowDy + mShadowRadius); 5013 } 5014 5015 @Override 5016 protected int getRightPaddingOffset() { 5017 return -(getCompoundPaddingRight() - mPaddingRight) + 5018 (int) Math.max(0, mShadowDx + mShadowRadius); 5019 } 5020 5021 @Override 5022 protected boolean verifyDrawable(Drawable who) { 5023 final boolean verified = super.verifyDrawable(who); 5024 if (!verified && mDrawables != null) { 5025 return who == mDrawables.mDrawableLeft || who == mDrawables.mDrawableTop || 5026 who == mDrawables.mDrawableRight || who == mDrawables.mDrawableBottom || 5027 who == mDrawables.mDrawableStart || who == mDrawables.mDrawableEnd; 5028 } 5029 return verified; 5030 } 5031 5032 @Override 5033 public void jumpDrawablesToCurrentState() { 5034 super.jumpDrawablesToCurrentState(); 5035 if (mDrawables != null) { 5036 if (mDrawables.mDrawableLeft != null) { 5037 mDrawables.mDrawableLeft.jumpToCurrentState(); 5038 } 5039 if (mDrawables.mDrawableTop != null) { 5040 mDrawables.mDrawableTop.jumpToCurrentState(); 5041 } 5042 if (mDrawables.mDrawableRight != null) { 5043 mDrawables.mDrawableRight.jumpToCurrentState(); 5044 } 5045 if (mDrawables.mDrawableBottom != null) { 5046 mDrawables.mDrawableBottom.jumpToCurrentState(); 5047 } 5048 if (mDrawables.mDrawableStart != null) { 5049 mDrawables.mDrawableStart.jumpToCurrentState(); 5050 } 5051 if (mDrawables.mDrawableEnd != null) { 5052 mDrawables.mDrawableEnd.jumpToCurrentState(); 5053 } 5054 } 5055 } 5056 5057 @Override 5058 public void invalidateDrawable(Drawable drawable) { 5059 boolean handled = false; 5060 5061 if (verifyDrawable(drawable)) { 5062 final Rect dirty = drawable.getBounds(); 5063 int scrollX = mScrollX; 5064 int scrollY = mScrollY; 5065 5066 // IMPORTANT: The coordinates below are based on the coordinates computed 5067 // for each compound drawable in onDraw(). Make sure to update each section 5068 // accordingly. 5069 final TextView.Drawables drawables = mDrawables; 5070 if (drawables != null) { 5071 if (drawable == drawables.mDrawableLeft) { 5072 final int compoundPaddingTop = getCompoundPaddingTop(); 5073 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5074 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5075 5076 scrollX += mPaddingLeft; 5077 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightLeft) / 2; 5078 handled = true; 5079 } else if (drawable == drawables.mDrawableRight) { 5080 final int compoundPaddingTop = getCompoundPaddingTop(); 5081 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5082 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5083 5084 scrollX += (mRight - mLeft - mPaddingRight - drawables.mDrawableSizeRight); 5085 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightRight) / 2; 5086 handled = true; 5087 } else if (drawable == drawables.mDrawableTop) { 5088 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5089 final int compoundPaddingRight = getCompoundPaddingRight(); 5090 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 5091 5092 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthTop) / 2; 5093 scrollY += mPaddingTop; 5094 handled = true; 5095 } else if (drawable == drawables.mDrawableBottom) { 5096 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5097 final int compoundPaddingRight = getCompoundPaddingRight(); 5098 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 5099 5100 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthBottom) / 2; 5101 scrollY += (mBottom - mTop - mPaddingBottom - drawables.mDrawableSizeBottom); 5102 handled = true; 5103 } 5104 } 5105 5106 if (handled) { 5107 invalidate(dirty.left + scrollX, dirty.top + scrollY, 5108 dirty.right + scrollX, dirty.bottom + scrollY); 5109 } 5110 } 5111 5112 if (!handled) { 5113 super.invalidateDrawable(drawable); 5114 } 5115 } 5116 5117 @Override 5118 public boolean hasOverlappingRendering() { 5119 // horizontal fading edge causes SaveLayerAlpha, which doesn't support alpha modulation 5120 return ((getBackground() != null && getBackground().getCurrent() != null) 5121 || mText instanceof Spannable || hasSelection() 5122 || isHorizontalFadingEdgeEnabled()); 5123 } 5124 5125 /** 5126 * 5127 * Returns the state of the {@code textIsSelectable} flag (See 5128 * {@link #setTextIsSelectable setTextIsSelectable()}). Although you have to set this flag 5129 * to allow users to select and copy text in a non-editable TextView, the content of an 5130 * {@link EditText} can always be selected, independently of the value of this flag. 5131 * <p> 5132 * 5133 * @return True if the text displayed in this TextView can be selected by the user. 5134 * 5135 * @attr ref android.R.styleable#TextView_textIsSelectable 5136 */ 5137 public boolean isTextSelectable() { 5138 return mEditor == null ? false : mEditor.mTextIsSelectable; 5139 } 5140 5141 /** 5142 * Sets whether the content of this view is selectable by the user. The default is 5143 * {@code false}, meaning that the content is not selectable. 5144 * <p> 5145 * When you use a TextView to display a useful piece of information to the user (such as a 5146 * contact's address), make it selectable, so that the user can select and copy its 5147 * content. You can also use set the XML attribute 5148 * {@link android.R.styleable#TextView_textIsSelectable} to "true". 5149 * <p> 5150 * When you call this method to set the value of {@code textIsSelectable}, it sets 5151 * the flags {@code focusable}, {@code focusableInTouchMode}, {@code clickable}, 5152 * and {@code longClickable} to the same value. These flags correspond to the attributes 5153 * {@link android.R.styleable#View_focusable android:focusable}, 5154 * {@link android.R.styleable#View_focusableInTouchMode android:focusableInTouchMode}, 5155 * {@link android.R.styleable#View_clickable android:clickable}, and 5156 * {@link android.R.styleable#View_longClickable android:longClickable}. To restore any of these 5157 * flags to a state you had set previously, call one or more of the following methods: 5158 * {@link #setFocusable(boolean) setFocusable()}, 5159 * {@link #setFocusableInTouchMode(boolean) setFocusableInTouchMode()}, 5160 * {@link #setClickable(boolean) setClickable()} or 5161 * {@link #setLongClickable(boolean) setLongClickable()}. 5162 * 5163 * @param selectable Whether the content of this TextView should be selectable. 5164 */ 5165 public void setTextIsSelectable(boolean selectable) { 5166 if (!selectable && mEditor == null) return; // false is default value with no edit data 5167 5168 createEditorIfNeeded(); 5169 if (mEditor.mTextIsSelectable == selectable) return; 5170 5171 mEditor.mTextIsSelectable = selectable; 5172 setFocusableInTouchMode(selectable); 5173 setFocusable(selectable); 5174 setClickable(selectable); 5175 setLongClickable(selectable); 5176 5177 // mInputType should already be EditorInfo.TYPE_NULL and mInput should be null 5178 5179 setMovementMethod(selectable ? ArrowKeyMovementMethod.getInstance() : null); 5180 setText(mText, selectable ? BufferType.SPANNABLE : BufferType.NORMAL); 5181 5182 // Called by setText above, but safer in case of future code changes 5183 mEditor.prepareCursorControllers(); 5184 } 5185 5186 @Override 5187 protected int[] onCreateDrawableState(int extraSpace) { 5188 final int[] drawableState; 5189 5190 if (mSingleLine) { 5191 drawableState = super.onCreateDrawableState(extraSpace); 5192 } else { 5193 drawableState = super.onCreateDrawableState(extraSpace + 1); 5194 mergeDrawableStates(drawableState, MULTILINE_STATE_SET); 5195 } 5196 5197 if (isTextSelectable()) { 5198 // Disable pressed state, which was introduced when TextView was made clickable. 5199 // Prevents text color change. 5200 // setClickable(false) would have a similar effect, but it also disables focus changes 5201 // and long press actions, which are both needed by text selection. 5202 final int length = drawableState.length; 5203 for (int i = 0; i < length; i++) { 5204 if (drawableState[i] == R.attr.state_pressed) { 5205 final int[] nonPressedState = new int[length - 1]; 5206 System.arraycopy(drawableState, 0, nonPressedState, 0, i); 5207 System.arraycopy(drawableState, i + 1, nonPressedState, i, length - i - 1); 5208 return nonPressedState; 5209 } 5210 } 5211 } 5212 5213 return drawableState; 5214 } 5215 5216 private Path getUpdatedHighlightPath() { 5217 Path highlight = null; 5218 Paint highlightPaint = mHighlightPaint; 5219 5220 final int selStart = getSelectionStart(); 5221 final int selEnd = getSelectionEnd(); 5222 if (mMovement != null && (isFocused() || isPressed()) && selStart >= 0) { 5223 if (selStart == selEnd) { 5224 if (mEditor != null && mEditor.isCursorVisible() && 5225 (SystemClock.uptimeMillis() - mEditor.mShowCursor) % 5226 (2 * Editor.BLINK) < Editor.BLINK) { 5227 if (mHighlightPathBogus) { 5228 if (mHighlightPath == null) mHighlightPath = new Path(); 5229 mHighlightPath.reset(); 5230 mLayout.getCursorPath(selStart, mHighlightPath, mText); 5231 mEditor.updateCursorsPositions(); 5232 mHighlightPathBogus = false; 5233 } 5234 5235 // XXX should pass to skin instead of drawing directly 5236 highlightPaint.setColor(mCurTextColor); 5237 highlightPaint.setStyle(Paint.Style.STROKE); 5238 highlight = mHighlightPath; 5239 } 5240 } else { 5241 if (mHighlightPathBogus) { 5242 if (mHighlightPath == null) mHighlightPath = new Path(); 5243 mHighlightPath.reset(); 5244 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 5245 mHighlightPathBogus = false; 5246 } 5247 5248 // XXX should pass to skin instead of drawing directly 5249 highlightPaint.setColor(mHighlightColor); 5250 highlightPaint.setStyle(Paint.Style.FILL); 5251 5252 highlight = mHighlightPath; 5253 } 5254 } 5255 return highlight; 5256 } 5257 5258 /** 5259 * @hide 5260 */ 5261 public int getHorizontalOffsetForDrawables() { 5262 return 0; 5263 } 5264 5265 @Override 5266 protected void onDraw(Canvas canvas) { 5267 restartMarqueeIfNeeded(); 5268 5269 // Draw the background for this view 5270 super.onDraw(canvas); 5271 5272 final int compoundPaddingLeft = getCompoundPaddingLeft(); 5273 final int compoundPaddingTop = getCompoundPaddingTop(); 5274 final int compoundPaddingRight = getCompoundPaddingRight(); 5275 final int compoundPaddingBottom = getCompoundPaddingBottom(); 5276 final int scrollX = mScrollX; 5277 final int scrollY = mScrollY; 5278 final int right = mRight; 5279 final int left = mLeft; 5280 final int bottom = mBottom; 5281 final int top = mTop; 5282 final boolean isLayoutRtl = isLayoutRtl(); 5283 final int offset = getHorizontalOffsetForDrawables(); 5284 final int leftOffset = isLayoutRtl ? 0 : offset; 5285 final int rightOffset = isLayoutRtl ? offset : 0 ; 5286 5287 final Drawables dr = mDrawables; 5288 if (dr != null) { 5289 /* 5290 * Compound, not extended, because the icon is not clipped 5291 * if the text height is smaller. 5292 */ 5293 5294 int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop; 5295 int hspace = right - left - compoundPaddingRight - compoundPaddingLeft; 5296 5297 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5298 // Make sure to update invalidateDrawable() when changing this code. 5299 if (dr.mDrawableLeft != null) { 5300 canvas.save(); 5301 canvas.translate(scrollX + mPaddingLeft + leftOffset, 5302 scrollY + compoundPaddingTop + 5303 (vspace - dr.mDrawableHeightLeft) / 2); 5304 dr.mDrawableLeft.draw(canvas); 5305 canvas.restore(); 5306 } 5307 5308 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5309 // Make sure to update invalidateDrawable() when changing this code. 5310 if (dr.mDrawableRight != null) { 5311 canvas.save(); 5312 canvas.translate(scrollX + right - left - mPaddingRight 5313 - dr.mDrawableSizeRight - rightOffset, 5314 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightRight) / 2); 5315 dr.mDrawableRight.draw(canvas); 5316 canvas.restore(); 5317 } 5318 5319 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5320 // Make sure to update invalidateDrawable() when changing this code. 5321 if (dr.mDrawableTop != null) { 5322 canvas.save(); 5323 canvas.translate(scrollX + compoundPaddingLeft + 5324 (hspace - dr.mDrawableWidthTop) / 2, scrollY + mPaddingTop); 5325 dr.mDrawableTop.draw(canvas); 5326 canvas.restore(); 5327 } 5328 5329 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5330 // Make sure to update invalidateDrawable() when changing this code. 5331 if (dr.mDrawableBottom != null) { 5332 canvas.save(); 5333 canvas.translate(scrollX + compoundPaddingLeft + 5334 (hspace - dr.mDrawableWidthBottom) / 2, 5335 scrollY + bottom - top - mPaddingBottom - dr.mDrawableSizeBottom); 5336 dr.mDrawableBottom.draw(canvas); 5337 canvas.restore(); 5338 } 5339 } 5340 5341 int color = mCurTextColor; 5342 5343 if (mLayout == null) { 5344 assumeLayout(); 5345 } 5346 5347 Layout layout = mLayout; 5348 5349 if (mHint != null && mText.length() == 0) { 5350 if (mHintTextColor != null) { 5351 color = mCurHintTextColor; 5352 } 5353 5354 layout = mHintLayout; 5355 } 5356 5357 mTextPaint.setColor(color); 5358 mTextPaint.drawableState = getDrawableState(); 5359 5360 canvas.save(); 5361 /* Would be faster if we didn't have to do this. Can we chop the 5362 (displayable) text so that we don't need to do this ever? 5363 */ 5364 5365 int extendedPaddingTop = getExtendedPaddingTop(); 5366 int extendedPaddingBottom = getExtendedPaddingBottom(); 5367 5368 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5369 final int maxScrollY = mLayout.getHeight() - vspace; 5370 5371 float clipLeft = compoundPaddingLeft + scrollX; 5372 float clipTop = (scrollY == 0) ? 0 : extendedPaddingTop + scrollY; 5373 float clipRight = right - left - compoundPaddingRight + scrollX; 5374 float clipBottom = bottom - top + scrollY - 5375 ((scrollY == maxScrollY) ? 0 : extendedPaddingBottom); 5376 5377 if (mShadowRadius != 0) { 5378 clipLeft += Math.min(0, mShadowDx - mShadowRadius); 5379 clipRight += Math.max(0, mShadowDx + mShadowRadius); 5380 5381 clipTop += Math.min(0, mShadowDy - mShadowRadius); 5382 clipBottom += Math.max(0, mShadowDy + mShadowRadius); 5383 } 5384 5385 canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom); 5386 5387 int voffsetText = 0; 5388 int voffsetCursor = 0; 5389 5390 // translate in by our padding 5391 /* shortcircuit calling getVerticaOffset() */ 5392 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5393 voffsetText = getVerticalOffset(false); 5394 voffsetCursor = getVerticalOffset(true); 5395 } 5396 canvas.translate(compoundPaddingLeft, extendedPaddingTop + voffsetText); 5397 5398 final int layoutDirection = getLayoutDirection(); 5399 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 5400 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 5401 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 5402 if (!mSingleLine && getLineCount() == 1 && canMarquee() && 5403 (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) { 5404 final int width = mRight - mLeft; 5405 final int padding = getCompoundPaddingLeft() + getCompoundPaddingRight(); 5406 final float dx = mLayout.getLineRight(0) - (width - padding); 5407 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5408 } 5409 5410 if (mMarquee != null && mMarquee.isRunning()) { 5411 final float dx = -mMarquee.getScroll(); 5412 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5413 } 5414 } 5415 5416 final int cursorOffsetVertical = voffsetCursor - voffsetText; 5417 5418 Path highlight = getUpdatedHighlightPath(); 5419 if (mEditor != null) { 5420 mEditor.onDraw(canvas, layout, highlight, mHighlightPaint, cursorOffsetVertical); 5421 } else { 5422 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5423 } 5424 5425 if (mMarquee != null && mMarquee.shouldDrawGhost()) { 5426 final float dx = mMarquee.getGhostOffset(); 5427 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 5428 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5429 } 5430 5431 canvas.restore(); 5432 } 5433 5434 @Override 5435 public void getFocusedRect(Rect r) { 5436 if (mLayout == null) { 5437 super.getFocusedRect(r); 5438 return; 5439 } 5440 5441 int selEnd = getSelectionEnd(); 5442 if (selEnd < 0) { 5443 super.getFocusedRect(r); 5444 return; 5445 } 5446 5447 int selStart = getSelectionStart(); 5448 if (selStart < 0 || selStart >= selEnd) { 5449 int line = mLayout.getLineForOffset(selEnd); 5450 r.top = mLayout.getLineTop(line); 5451 r.bottom = mLayout.getLineBottom(line); 5452 r.left = (int) mLayout.getPrimaryHorizontal(selEnd) - 2; 5453 r.right = r.left + 4; 5454 } else { 5455 int lineStart = mLayout.getLineForOffset(selStart); 5456 int lineEnd = mLayout.getLineForOffset(selEnd); 5457 r.top = mLayout.getLineTop(lineStart); 5458 r.bottom = mLayout.getLineBottom(lineEnd); 5459 if (lineStart == lineEnd) { 5460 r.left = (int) mLayout.getPrimaryHorizontal(selStart); 5461 r.right = (int) mLayout.getPrimaryHorizontal(selEnd); 5462 } else { 5463 // Selection extends across multiple lines -- make the focused 5464 // rect cover the entire width. 5465 if (mHighlightPathBogus) { 5466 if (mHighlightPath == null) mHighlightPath = new Path(); 5467 mHighlightPath.reset(); 5468 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 5469 mHighlightPathBogus = false; 5470 } 5471 synchronized (TEMP_RECTF) { 5472 mHighlightPath.computeBounds(TEMP_RECTF, true); 5473 r.left = (int)TEMP_RECTF.left-1; 5474 r.right = (int)TEMP_RECTF.right+1; 5475 } 5476 } 5477 } 5478 5479 // Adjust for padding and gravity. 5480 int paddingLeft = getCompoundPaddingLeft(); 5481 int paddingTop = getExtendedPaddingTop(); 5482 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5483 paddingTop += getVerticalOffset(false); 5484 } 5485 r.offset(paddingLeft, paddingTop); 5486 int paddingBottom = getExtendedPaddingBottom(); 5487 r.bottom += paddingBottom; 5488 } 5489 5490 /** 5491 * Return the number of lines of text, or 0 if the internal Layout has not 5492 * been built. 5493 */ 5494 public int getLineCount() { 5495 return mLayout != null ? mLayout.getLineCount() : 0; 5496 } 5497 5498 /** 5499 * Return the baseline for the specified line (0...getLineCount() - 1) 5500 * If bounds is not null, return the top, left, right, bottom extents 5501 * of the specified line in it. If the internal Layout has not been built, 5502 * return 0 and set bounds to (0, 0, 0, 0) 5503 * @param line which line to examine (0..getLineCount() - 1) 5504 * @param bounds Optional. If not null, it returns the extent of the line 5505 * @return the Y-coordinate of the baseline 5506 */ 5507 public int getLineBounds(int line, Rect bounds) { 5508 if (mLayout == null) { 5509 if (bounds != null) { 5510 bounds.set(0, 0, 0, 0); 5511 } 5512 return 0; 5513 } 5514 else { 5515 int baseline = mLayout.getLineBounds(line, bounds); 5516 5517 int voffset = getExtendedPaddingTop(); 5518 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5519 voffset += getVerticalOffset(true); 5520 } 5521 if (bounds != null) { 5522 bounds.offset(getCompoundPaddingLeft(), voffset); 5523 } 5524 return baseline + voffset; 5525 } 5526 } 5527 5528 @Override 5529 public int getBaseline() { 5530 if (mLayout == null) { 5531 return super.getBaseline(); 5532 } 5533 5534 int voffset = 0; 5535 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5536 voffset = getVerticalOffset(true); 5537 } 5538 5539 if (isLayoutModeOptical(mParent)) { 5540 voffset -= getOpticalInsets().top; 5541 } 5542 5543 return getExtendedPaddingTop() + voffset + mLayout.getLineBaseline(0); 5544 } 5545 5546 /** 5547 * @hide 5548 */ 5549 @Override 5550 protected int getFadeTop(boolean offsetRequired) { 5551 if (mLayout == null) return 0; 5552 5553 int voffset = 0; 5554 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5555 voffset = getVerticalOffset(true); 5556 } 5557 5558 if (offsetRequired) voffset += getTopPaddingOffset(); 5559 5560 return getExtendedPaddingTop() + voffset; 5561 } 5562 5563 /** 5564 * @hide 5565 */ 5566 @Override 5567 protected int getFadeHeight(boolean offsetRequired) { 5568 return mLayout != null ? mLayout.getHeight() : 0; 5569 } 5570 5571 @Override 5572 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 5573 if (keyCode == KeyEvent.KEYCODE_BACK) { 5574 boolean isInSelectionMode = mEditor != null && mEditor.mSelectionActionMode != null; 5575 5576 if (isInSelectionMode) { 5577 if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) { 5578 KeyEvent.DispatcherState state = getKeyDispatcherState(); 5579 if (state != null) { 5580 state.startTracking(event, this); 5581 } 5582 return true; 5583 } else if (event.getAction() == KeyEvent.ACTION_UP) { 5584 KeyEvent.DispatcherState state = getKeyDispatcherState(); 5585 if (state != null) { 5586 state.handleUpEvent(event); 5587 } 5588 if (event.isTracking() && !event.isCanceled()) { 5589 stopSelectionActionMode(); 5590 return true; 5591 } 5592 } 5593 } 5594 } 5595 return super.onKeyPreIme(keyCode, event); 5596 } 5597 5598 @Override 5599 public boolean onKeyDown(int keyCode, KeyEvent event) { 5600 int which = doKeyDown(keyCode, event, null); 5601 if (which == 0) { 5602 return super.onKeyDown(keyCode, event); 5603 } 5604 5605 return true; 5606 } 5607 5608 @Override 5609 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 5610 KeyEvent down = KeyEvent.changeAction(event, KeyEvent.ACTION_DOWN); 5611 5612 int which = doKeyDown(keyCode, down, event); 5613 if (which == 0) { 5614 // Go through default dispatching. 5615 return super.onKeyMultiple(keyCode, repeatCount, event); 5616 } 5617 if (which == -1) { 5618 // Consumed the whole thing. 5619 return true; 5620 } 5621 5622 repeatCount--; 5623 5624 // We are going to dispatch the remaining events to either the input 5625 // or movement method. To do this, we will just send a repeated stream 5626 // of down and up events until we have done the complete repeatCount. 5627 // It would be nice if those interfaces had an onKeyMultiple() method, 5628 // but adding that is a more complicated change. 5629 KeyEvent up = KeyEvent.changeAction(event, KeyEvent.ACTION_UP); 5630 if (which == 1) { 5631 // mEditor and mEditor.mInput are not null from doKeyDown 5632 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 5633 while (--repeatCount > 0) { 5634 mEditor.mKeyListener.onKeyDown(this, (Editable)mText, keyCode, down); 5635 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 5636 } 5637 hideErrorIfUnchanged(); 5638 5639 } else if (which == 2) { 5640 // mMovement is not null from doKeyDown 5641 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 5642 while (--repeatCount > 0) { 5643 mMovement.onKeyDown(this, (Spannable)mText, keyCode, down); 5644 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 5645 } 5646 } 5647 5648 return true; 5649 } 5650 5651 /** 5652 * Returns true if pressing ENTER in this field advances focus instead 5653 * of inserting the character. This is true mostly in single-line fields, 5654 * but also in mail addresses and subjects which will display on multiple 5655 * lines but where it doesn't make sense to insert newlines. 5656 */ 5657 private boolean shouldAdvanceFocusOnEnter() { 5658 if (getKeyListener() == null) { 5659 return false; 5660 } 5661 5662 if (mSingleLine) { 5663 return true; 5664 } 5665 5666 if (mEditor != null && 5667 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 5668 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 5669 if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS 5670 || variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT) { 5671 return true; 5672 } 5673 } 5674 5675 return false; 5676 } 5677 5678 /** 5679 * Returns true if pressing TAB in this field advances focus instead 5680 * of inserting the character. Insert tabs only in multi-line editors. 5681 */ 5682 private boolean shouldAdvanceFocusOnTab() { 5683 if (getKeyListener() != null && !mSingleLine && mEditor != null && 5684 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 5685 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 5686 if (variation == EditorInfo.TYPE_TEXT_FLAG_IME_MULTI_LINE 5687 || variation == EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE) { 5688 return false; 5689 } 5690 } 5691 return true; 5692 } 5693 5694 private int doKeyDown(int keyCode, KeyEvent event, KeyEvent otherEvent) { 5695 if (!isEnabled()) { 5696 return 0; 5697 } 5698 5699 // If this is the initial keydown, we don't want to prevent a movement away from this view. 5700 // While this shouldn't be necessary because any time we're preventing default movement we 5701 // should be restricting the focus to remain within this view, thus we'll also receive 5702 // the key up event, occasionally key up events will get dropped and we don't want to 5703 // prevent the user from traversing out of this on the next key down. 5704 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 5705 mPreventDefaultMovement = false; 5706 } 5707 5708 switch (keyCode) { 5709 case KeyEvent.KEYCODE_ENTER: 5710 if (event.hasNoModifiers()) { 5711 // When mInputContentType is set, we know that we are 5712 // running in a "modern" cupcake environment, so don't need 5713 // to worry about the application trying to capture 5714 // enter key events. 5715 if (mEditor != null && mEditor.mInputContentType != null) { 5716 // If there is an action listener, given them a 5717 // chance to consume the event. 5718 if (mEditor.mInputContentType.onEditorActionListener != null && 5719 mEditor.mInputContentType.onEditorActionListener.onEditorAction( 5720 this, EditorInfo.IME_NULL, event)) { 5721 mEditor.mInputContentType.enterDown = true; 5722 // We are consuming the enter key for them. 5723 return -1; 5724 } 5725 } 5726 5727 // If our editor should move focus when enter is pressed, or 5728 // this is a generated event from an IME action button, then 5729 // don't let it be inserted into the text. 5730 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 5731 || shouldAdvanceFocusOnEnter()) { 5732 if (hasOnClickListeners()) { 5733 return 0; 5734 } 5735 return -1; 5736 } 5737 } 5738 break; 5739 5740 case KeyEvent.KEYCODE_DPAD_CENTER: 5741 if (event.hasNoModifiers()) { 5742 if (shouldAdvanceFocusOnEnter()) { 5743 return 0; 5744 } 5745 } 5746 break; 5747 5748 case KeyEvent.KEYCODE_TAB: 5749 if (event.hasNoModifiers() || event.hasModifiers(KeyEvent.META_SHIFT_ON)) { 5750 if (shouldAdvanceFocusOnTab()) { 5751 return 0; 5752 } 5753 } 5754 break; 5755 5756 // Has to be done on key down (and not on key up) to correctly be intercepted. 5757 case KeyEvent.KEYCODE_BACK: 5758 if (mEditor != null && mEditor.mSelectionActionMode != null) { 5759 stopSelectionActionMode(); 5760 return -1; 5761 } 5762 break; 5763 } 5764 5765 if (mEditor != null && mEditor.mKeyListener != null) { 5766 boolean doDown = true; 5767 if (otherEvent != null) { 5768 try { 5769 beginBatchEdit(); 5770 final boolean handled = mEditor.mKeyListener.onKeyOther(this, (Editable) mText, 5771 otherEvent); 5772 hideErrorIfUnchanged(); 5773 doDown = false; 5774 if (handled) { 5775 return -1; 5776 } 5777 } catch (AbstractMethodError e) { 5778 // onKeyOther was added after 1.0, so if it isn't 5779 // implemented we need to try to dispatch as a regular down. 5780 } finally { 5781 endBatchEdit(); 5782 } 5783 } 5784 5785 if (doDown) { 5786 beginBatchEdit(); 5787 final boolean handled = mEditor.mKeyListener.onKeyDown(this, (Editable) mText, 5788 keyCode, event); 5789 endBatchEdit(); 5790 hideErrorIfUnchanged(); 5791 if (handled) return 1; 5792 } 5793 } 5794 5795 // bug 650865: sometimes we get a key event before a layout. 5796 // don't try to move around if we don't know the layout. 5797 5798 if (mMovement != null && mLayout != null) { 5799 boolean doDown = true; 5800 if (otherEvent != null) { 5801 try { 5802 boolean handled = mMovement.onKeyOther(this, (Spannable) mText, 5803 otherEvent); 5804 doDown = false; 5805 if (handled) { 5806 return -1; 5807 } 5808 } catch (AbstractMethodError e) { 5809 // onKeyOther was added after 1.0, so if it isn't 5810 // implemented we need to try to dispatch as a regular down. 5811 } 5812 } 5813 if (doDown) { 5814 if (mMovement.onKeyDown(this, (Spannable)mText, keyCode, event)) { 5815 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 5816 mPreventDefaultMovement = true; 5817 } 5818 return 2; 5819 } 5820 } 5821 } 5822 5823 return mPreventDefaultMovement && !KeyEvent.isModifierKey(keyCode) ? -1 : 0; 5824 } 5825 5826 /** 5827 * Resets the mErrorWasChanged flag, so that future calls to {@link #setError(CharSequence)} 5828 * can be recorded. 5829 * @hide 5830 */ 5831 public void resetErrorChangedFlag() { 5832 /* 5833 * Keep track of what the error was before doing the input 5834 * so that if an input filter changed the error, we leave 5835 * that error showing. Otherwise, we take down whatever 5836 * error was showing when the user types something. 5837 */ 5838 if (mEditor != null) mEditor.mErrorWasChanged = false; 5839 } 5840 5841 /** 5842 * @hide 5843 */ 5844 public void hideErrorIfUnchanged() { 5845 if (mEditor != null && mEditor.mError != null && !mEditor.mErrorWasChanged) { 5846 setError(null, null); 5847 } 5848 } 5849 5850 @Override 5851 public boolean onKeyUp(int keyCode, KeyEvent event) { 5852 if (!isEnabled()) { 5853 return super.onKeyUp(keyCode, event); 5854 } 5855 5856 if (!KeyEvent.isModifierKey(keyCode)) { 5857 mPreventDefaultMovement = false; 5858 } 5859 5860 switch (keyCode) { 5861 case KeyEvent.KEYCODE_DPAD_CENTER: 5862 if (event.hasNoModifiers()) { 5863 /* 5864 * If there is a click listener, just call through to 5865 * super, which will invoke it. 5866 * 5867 * If there isn't a click listener, try to show the soft 5868 * input method. (It will also 5869 * call performClick(), but that won't do anything in 5870 * this case.) 5871 */ 5872 if (!hasOnClickListeners()) { 5873 if (mMovement != null && mText instanceof Editable 5874 && mLayout != null && onCheckIsTextEditor()) { 5875 InputMethodManager imm = InputMethodManager.peekInstance(); 5876 viewClicked(imm); 5877 if (imm != null && getShowSoftInputOnFocus()) { 5878 imm.showSoftInput(this, 0); 5879 } 5880 } 5881 } 5882 } 5883 return super.onKeyUp(keyCode, event); 5884 5885 case KeyEvent.KEYCODE_ENTER: 5886 if (event.hasNoModifiers()) { 5887 if (mEditor != null && mEditor.mInputContentType != null 5888 && mEditor.mInputContentType.onEditorActionListener != null 5889 && mEditor.mInputContentType.enterDown) { 5890 mEditor.mInputContentType.enterDown = false; 5891 if (mEditor.mInputContentType.onEditorActionListener.onEditorAction( 5892 this, EditorInfo.IME_NULL, event)) { 5893 return true; 5894 } 5895 } 5896 5897 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 5898 || shouldAdvanceFocusOnEnter()) { 5899 /* 5900 * If there is a click listener, just call through to 5901 * super, which will invoke it. 5902 * 5903 * If there isn't a click listener, try to advance focus, 5904 * but still call through to super, which will reset the 5905 * pressed state and longpress state. (It will also 5906 * call performClick(), but that won't do anything in 5907 * this case.) 5908 */ 5909 if (!hasOnClickListeners()) { 5910 View v = focusSearch(FOCUS_DOWN); 5911 5912 if (v != null) { 5913 if (!v.requestFocus(FOCUS_DOWN)) { 5914 throw new IllegalStateException( 5915 "focus search returned a view " + 5916 "that wasn't able to take focus!"); 5917 } 5918 5919 /* 5920 * Return true because we handled the key; super 5921 * will return false because there was no click 5922 * listener. 5923 */ 5924 super.onKeyUp(keyCode, event); 5925 return true; 5926 } else if ((event.getFlags() 5927 & KeyEvent.FLAG_EDITOR_ACTION) != 0) { 5928 // No target for next focus, but make sure the IME 5929 // if this came from it. 5930 InputMethodManager imm = InputMethodManager.peekInstance(); 5931 if (imm != null && imm.isActive(this)) { 5932 imm.hideSoftInputFromWindow(getWindowToken(), 0); 5933 } 5934 } 5935 } 5936 } 5937 return super.onKeyUp(keyCode, event); 5938 } 5939 break; 5940 } 5941 5942 if (mEditor != null && mEditor.mKeyListener != null) 5943 if (mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, event)) 5944 return true; 5945 5946 if (mMovement != null && mLayout != null) 5947 if (mMovement.onKeyUp(this, (Spannable) mText, keyCode, event)) 5948 return true; 5949 5950 return super.onKeyUp(keyCode, event); 5951 } 5952 5953 @Override 5954 public boolean onCheckIsTextEditor() { 5955 return mEditor != null && mEditor.mInputType != EditorInfo.TYPE_NULL; 5956 } 5957 5958 @Override 5959 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 5960 if (onCheckIsTextEditor() && isEnabled()) { 5961 mEditor.createInputMethodStateIfNeeded(); 5962 outAttrs.inputType = getInputType(); 5963 if (mEditor.mInputContentType != null) { 5964 outAttrs.imeOptions = mEditor.mInputContentType.imeOptions; 5965 outAttrs.privateImeOptions = mEditor.mInputContentType.privateImeOptions; 5966 outAttrs.actionLabel = mEditor.mInputContentType.imeActionLabel; 5967 outAttrs.actionId = mEditor.mInputContentType.imeActionId; 5968 outAttrs.extras = mEditor.mInputContentType.extras; 5969 } else { 5970 outAttrs.imeOptions = EditorInfo.IME_NULL; 5971 } 5972 if (focusSearch(FOCUS_DOWN) != null) { 5973 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_NEXT; 5974 } 5975 if (focusSearch(FOCUS_UP) != null) { 5976 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS; 5977 } 5978 if ((outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION) 5979 == EditorInfo.IME_ACTION_UNSPECIFIED) { 5980 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) { 5981 // An action has not been set, but the enter key will move to 5982 // the next focus, so set the action to that. 5983 outAttrs.imeOptions |= EditorInfo.IME_ACTION_NEXT; 5984 } else { 5985 // An action has not been set, and there is no focus to move 5986 // to, so let's just supply a "done" action. 5987 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 5988 } 5989 if (!shouldAdvanceFocusOnEnter()) { 5990 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 5991 } 5992 } 5993 if (isMultilineInputType(outAttrs.inputType)) { 5994 // Multi-line text editors should always show an enter key. 5995 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 5996 } 5997 outAttrs.hintText = mHint; 5998 if (mText instanceof Editable) { 5999 InputConnection ic = new EditableInputConnection(this); 6000 outAttrs.initialSelStart = getSelectionStart(); 6001 outAttrs.initialSelEnd = getSelectionEnd(); 6002 outAttrs.initialCapsMode = ic.getCursorCapsMode(getInputType()); 6003 return ic; 6004 } 6005 } 6006 return null; 6007 } 6008 6009 /** 6010 * If this TextView contains editable content, extract a portion of it 6011 * based on the information in <var>request</var> in to <var>outText</var>. 6012 * @return Returns true if the text was successfully extracted, else false. 6013 */ 6014 public boolean extractText(ExtractedTextRequest request, ExtractedText outText) { 6015 createEditorIfNeeded(); 6016 return mEditor.extractText(request, outText); 6017 } 6018 6019 /** 6020 * This is used to remove all style-impacting spans from text before new 6021 * extracted text is being replaced into it, so that we don't have any 6022 * lingering spans applied during the replace. 6023 */ 6024 static void removeParcelableSpans(Spannable spannable, int start, int end) { 6025 Object[] spans = spannable.getSpans(start, end, ParcelableSpan.class); 6026 int i = spans.length; 6027 while (i > 0) { 6028 i--; 6029 spannable.removeSpan(spans[i]); 6030 } 6031 } 6032 6033 /** 6034 * Apply to this text view the given extracted text, as previously 6035 * returned by {@link #extractText(ExtractedTextRequest, ExtractedText)}. 6036 */ 6037 public void setExtractedText(ExtractedText text) { 6038 Editable content = getEditableText(); 6039 if (text.text != null) { 6040 if (content == null) { 6041 setText(text.text, TextView.BufferType.EDITABLE); 6042 } else if (text.partialStartOffset < 0) { 6043 removeParcelableSpans(content, 0, content.length()); 6044 content.replace(0, content.length(), text.text); 6045 } else { 6046 final int N = content.length(); 6047 int start = text.partialStartOffset; 6048 if (start > N) start = N; 6049 int end = text.partialEndOffset; 6050 if (end > N) end = N; 6051 removeParcelableSpans(content, start, end); 6052 content.replace(start, end, text.text); 6053 } 6054 } 6055 6056 // Now set the selection position... make sure it is in range, to 6057 // avoid crashes. If this is a partial update, it is possible that 6058 // the underlying text may have changed, causing us problems here. 6059 // Also we just don't want to trust clients to do the right thing. 6060 Spannable sp = (Spannable)getText(); 6061 final int N = sp.length(); 6062 int start = text.selectionStart; 6063 if (start < 0) start = 0; 6064 else if (start > N) start = N; 6065 int end = text.selectionEnd; 6066 if (end < 0) end = 0; 6067 else if (end > N) end = N; 6068 Selection.setSelection(sp, start, end); 6069 6070 // Finally, update the selection mode. 6071 if ((text.flags&ExtractedText.FLAG_SELECTING) != 0) { 6072 MetaKeyKeyListener.startSelecting(this, sp); 6073 } else { 6074 MetaKeyKeyListener.stopSelecting(this, sp); 6075 } 6076 } 6077 6078 /** 6079 * @hide 6080 */ 6081 public void setExtracting(ExtractedTextRequest req) { 6082 if (mEditor.mInputMethodState != null) { 6083 mEditor.mInputMethodState.mExtractedTextRequest = req; 6084 } 6085 // This would stop a possible selection mode, but no such mode is started in case 6086 // extracted mode will start. Some text is selected though, and will trigger an action mode 6087 // in the extracted view. 6088 mEditor.hideControllers(); 6089 } 6090 6091 /** 6092 * Called by the framework in response to a text completion from 6093 * the current input method, provided by it calling 6094 * {@link InputConnection#commitCompletion 6095 * InputConnection.commitCompletion()}. The default implementation does 6096 * nothing; text views that are supporting auto-completion should override 6097 * this to do their desired behavior. 6098 * 6099 * @param text The auto complete text the user has selected. 6100 */ 6101 public void onCommitCompletion(CompletionInfo text) { 6102 // intentionally empty 6103 } 6104 6105 /** 6106 * Called by the framework in response to a text auto-correction (such as fixing a typo using a 6107 * a dictionnary) from the current input method, provided by it calling 6108 * {@link InputConnection#commitCorrection} InputConnection.commitCorrection()}. The default 6109 * implementation flashes the background of the corrected word to provide feedback to the user. 6110 * 6111 * @param info The auto correct info about the text that was corrected. 6112 */ 6113 public void onCommitCorrection(CorrectionInfo info) { 6114 if (mEditor != null) mEditor.onCommitCorrection(info); 6115 } 6116 6117 public void beginBatchEdit() { 6118 if (mEditor != null) mEditor.beginBatchEdit(); 6119 } 6120 6121 public void endBatchEdit() { 6122 if (mEditor != null) mEditor.endBatchEdit(); 6123 } 6124 6125 /** 6126 * Called by the framework in response to a request to begin a batch 6127 * of edit operations through a call to link {@link #beginBatchEdit()}. 6128 */ 6129 public void onBeginBatchEdit() { 6130 // intentionally empty 6131 } 6132 6133 /** 6134 * Called by the framework in response to a request to end a batch 6135 * of edit operations through a call to link {@link #endBatchEdit}. 6136 */ 6137 public void onEndBatchEdit() { 6138 // intentionally empty 6139 } 6140 6141 /** 6142 * Called by the framework in response to a private command from the 6143 * current method, provided by it calling 6144 * {@link InputConnection#performPrivateCommand 6145 * InputConnection.performPrivateCommand()}. 6146 * 6147 * @param action The action name of the command. 6148 * @param data Any additional data for the command. This may be null. 6149 * @return Return true if you handled the command, else false. 6150 */ 6151 public boolean onPrivateIMECommand(String action, Bundle data) { 6152 return false; 6153 } 6154 6155 private void nullLayouts() { 6156 if (mLayout instanceof BoringLayout && mSavedLayout == null) { 6157 mSavedLayout = (BoringLayout) mLayout; 6158 } 6159 if (mHintLayout instanceof BoringLayout && mSavedHintLayout == null) { 6160 mSavedHintLayout = (BoringLayout) mHintLayout; 6161 } 6162 6163 mSavedMarqueeModeLayout = mLayout = mHintLayout = null; 6164 6165 mBoring = mHintBoring = null; 6166 6167 // Since it depends on the value of mLayout 6168 if (mEditor != null) mEditor.prepareCursorControllers(); 6169 } 6170 6171 /** 6172 * Make a new Layout based on the already-measured size of the view, 6173 * on the assumption that it was measured correctly at some point. 6174 */ 6175 private void assumeLayout() { 6176 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6177 6178 if (width < 1) { 6179 width = 0; 6180 } 6181 6182 int physicalWidth = width; 6183 6184 if (mHorizontallyScrolling) { 6185 width = VERY_WIDE; 6186 } 6187 6188 makeNewLayout(width, physicalWidth, UNKNOWN_BORING, UNKNOWN_BORING, 6189 physicalWidth, false); 6190 } 6191 6192 private Layout.Alignment getLayoutAlignment() { 6193 Layout.Alignment alignment; 6194 switch (getTextAlignment()) { 6195 case TEXT_ALIGNMENT_GRAVITY: 6196 switch (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) { 6197 case Gravity.START: 6198 alignment = Layout.Alignment.ALIGN_NORMAL; 6199 break; 6200 case Gravity.END: 6201 alignment = Layout.Alignment.ALIGN_OPPOSITE; 6202 break; 6203 case Gravity.LEFT: 6204 alignment = Layout.Alignment.ALIGN_LEFT; 6205 break; 6206 case Gravity.RIGHT: 6207 alignment = Layout.Alignment.ALIGN_RIGHT; 6208 break; 6209 case Gravity.CENTER_HORIZONTAL: 6210 alignment = Layout.Alignment.ALIGN_CENTER; 6211 break; 6212 default: 6213 alignment = Layout.Alignment.ALIGN_NORMAL; 6214 break; 6215 } 6216 break; 6217 case TEXT_ALIGNMENT_TEXT_START: 6218 alignment = Layout.Alignment.ALIGN_NORMAL; 6219 break; 6220 case TEXT_ALIGNMENT_TEXT_END: 6221 alignment = Layout.Alignment.ALIGN_OPPOSITE; 6222 break; 6223 case TEXT_ALIGNMENT_CENTER: 6224 alignment = Layout.Alignment.ALIGN_CENTER; 6225 break; 6226 case TEXT_ALIGNMENT_VIEW_START: 6227 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 6228 Layout.Alignment.ALIGN_RIGHT : Layout.Alignment.ALIGN_LEFT; 6229 break; 6230 case TEXT_ALIGNMENT_VIEW_END: 6231 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 6232 Layout.Alignment.ALIGN_LEFT : Layout.Alignment.ALIGN_RIGHT; 6233 break; 6234 case TEXT_ALIGNMENT_INHERIT: 6235 // This should never happen as we have already resolved the text alignment 6236 // but better safe than sorry so we just fall through 6237 default: 6238 alignment = Layout.Alignment.ALIGN_NORMAL; 6239 break; 6240 } 6241 return alignment; 6242 } 6243 6244 /** 6245 * The width passed in is now the desired layout width, 6246 * not the full view width with padding. 6247 * {@hide} 6248 */ 6249 protected void makeNewLayout(int wantWidth, int hintWidth, 6250 BoringLayout.Metrics boring, 6251 BoringLayout.Metrics hintBoring, 6252 int ellipsisWidth, boolean bringIntoView) { 6253 stopMarquee(); 6254 6255 // Update "old" cached values 6256 mOldMaximum = mMaximum; 6257 mOldMaxMode = mMaxMode; 6258 6259 mHighlightPathBogus = true; 6260 6261 if (wantWidth < 0) { 6262 wantWidth = 0; 6263 } 6264 if (hintWidth < 0) { 6265 hintWidth = 0; 6266 } 6267 6268 Layout.Alignment alignment = getLayoutAlignment(); 6269 final boolean testDirChange = mSingleLine && mLayout != null && 6270 (alignment == Layout.Alignment.ALIGN_NORMAL || 6271 alignment == Layout.Alignment.ALIGN_OPPOSITE); 6272 int oldDir = 0; 6273 if (testDirChange) oldDir = mLayout.getParagraphDirection(0); 6274 boolean shouldEllipsize = mEllipsize != null && getKeyListener() == null; 6275 final boolean switchEllipsize = mEllipsize == TruncateAt.MARQUEE && 6276 mMarqueeFadeMode != MARQUEE_FADE_NORMAL; 6277 TruncateAt effectiveEllipsize = mEllipsize; 6278 if (mEllipsize == TruncateAt.MARQUEE && 6279 mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 6280 effectiveEllipsize = TruncateAt.END_SMALL; 6281 } 6282 6283 if (mTextDir == null) { 6284 mTextDir = getTextDirectionHeuristic(); 6285 } 6286 6287 mLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, 6288 effectiveEllipsize, effectiveEllipsize == mEllipsize); 6289 if (switchEllipsize) { 6290 TruncateAt oppositeEllipsize = effectiveEllipsize == TruncateAt.MARQUEE ? 6291 TruncateAt.END : TruncateAt.MARQUEE; 6292 mSavedMarqueeModeLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, 6293 shouldEllipsize, oppositeEllipsize, effectiveEllipsize != mEllipsize); 6294 } 6295 6296 shouldEllipsize = mEllipsize != null; 6297 mHintLayout = null; 6298 6299 if (mHint != null) { 6300 if (shouldEllipsize) hintWidth = wantWidth; 6301 6302 if (hintBoring == UNKNOWN_BORING) { 6303 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, 6304 mHintBoring); 6305 if (hintBoring != null) { 6306 mHintBoring = hintBoring; 6307 } 6308 } 6309 6310 if (hintBoring != null) { 6311 if (hintBoring.width <= hintWidth && 6312 (!shouldEllipsize || hintBoring.width <= ellipsisWidth)) { 6313 if (mSavedHintLayout != null) { 6314 mHintLayout = mSavedHintLayout. 6315 replaceOrMake(mHint, mTextPaint, 6316 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6317 hintBoring, mIncludePad); 6318 } else { 6319 mHintLayout = BoringLayout.make(mHint, mTextPaint, 6320 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6321 hintBoring, mIncludePad); 6322 } 6323 6324 mSavedHintLayout = (BoringLayout) mHintLayout; 6325 } else if (shouldEllipsize && hintBoring.width <= hintWidth) { 6326 if (mSavedHintLayout != null) { 6327 mHintLayout = mSavedHintLayout. 6328 replaceOrMake(mHint, mTextPaint, 6329 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6330 hintBoring, mIncludePad, mEllipsize, 6331 ellipsisWidth); 6332 } else { 6333 mHintLayout = BoringLayout.make(mHint, mTextPaint, 6334 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6335 hintBoring, mIncludePad, mEllipsize, 6336 ellipsisWidth); 6337 } 6338 } else if (shouldEllipsize) { 6339 mHintLayout = new StaticLayout(mHint, 6340 0, mHint.length(), 6341 mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, 6342 mSpacingAdd, mIncludePad, mEllipsize, 6343 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6344 } else { 6345 mHintLayout = new StaticLayout(mHint, mTextPaint, 6346 hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6347 mIncludePad); 6348 } 6349 } else if (shouldEllipsize) { 6350 mHintLayout = new StaticLayout(mHint, 6351 0, mHint.length(), 6352 mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, 6353 mSpacingAdd, mIncludePad, mEllipsize, 6354 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6355 } else { 6356 mHintLayout = new StaticLayout(mHint, mTextPaint, 6357 hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6358 mIncludePad); 6359 } 6360 } 6361 6362 if (bringIntoView || (testDirChange && oldDir != mLayout.getParagraphDirection(0))) { 6363 registerForPreDraw(); 6364 } 6365 6366 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6367 if (!compressText(ellipsisWidth)) { 6368 final int height = mLayoutParams.height; 6369 // If the size of the view does not depend on the size of the text, try to 6370 // start the marquee immediately 6371 if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.MATCH_PARENT) { 6372 startMarquee(); 6373 } else { 6374 // Defer the start of the marquee until we know our width (see setFrame()) 6375 mRestartMarquee = true; 6376 } 6377 } 6378 } 6379 6380 // CursorControllers need a non-null mLayout 6381 if (mEditor != null) mEditor.prepareCursorControllers(); 6382 } 6383 6384 private Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, 6385 Layout.Alignment alignment, boolean shouldEllipsize, TruncateAt effectiveEllipsize, 6386 boolean useSaved) { 6387 Layout result = null; 6388 if (mText instanceof Spannable) { 6389 result = new DynamicLayout(mText, mTransformed, mTextPaint, wantWidth, 6390 alignment, mTextDir, mSpacingMult, 6391 mSpacingAdd, mIncludePad, getKeyListener() == null ? effectiveEllipsize : null, 6392 ellipsisWidth); 6393 } else { 6394 if (boring == UNKNOWN_BORING) { 6395 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 6396 if (boring != null) { 6397 mBoring = boring; 6398 } 6399 } 6400 6401 if (boring != null) { 6402 if (boring.width <= wantWidth && 6403 (effectiveEllipsize == null || boring.width <= ellipsisWidth)) { 6404 if (useSaved && mSavedLayout != null) { 6405 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6406 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6407 boring, mIncludePad); 6408 } else { 6409 result = BoringLayout.make(mTransformed, mTextPaint, 6410 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6411 boring, mIncludePad); 6412 } 6413 6414 if (useSaved) { 6415 mSavedLayout = (BoringLayout) result; 6416 } 6417 } else if (shouldEllipsize && boring.width <= wantWidth) { 6418 if (useSaved && mSavedLayout != null) { 6419 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6420 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6421 boring, mIncludePad, effectiveEllipsize, 6422 ellipsisWidth); 6423 } else { 6424 result = BoringLayout.make(mTransformed, mTextPaint, 6425 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6426 boring, mIncludePad, effectiveEllipsize, 6427 ellipsisWidth); 6428 } 6429 } else if (shouldEllipsize) { 6430 result = new StaticLayout(mTransformed, 6431 0, mTransformed.length(), 6432 mTextPaint, wantWidth, alignment, mTextDir, mSpacingMult, 6433 mSpacingAdd, mIncludePad, effectiveEllipsize, 6434 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6435 } else { 6436 result = new StaticLayout(mTransformed, mTextPaint, 6437 wantWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6438 mIncludePad); 6439 } 6440 } else if (shouldEllipsize) { 6441 result = new StaticLayout(mTransformed, 6442 0, mTransformed.length(), 6443 mTextPaint, wantWidth, alignment, mTextDir, mSpacingMult, 6444 mSpacingAdd, mIncludePad, effectiveEllipsize, 6445 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6446 } else { 6447 result = new StaticLayout(mTransformed, mTextPaint, 6448 wantWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6449 mIncludePad); 6450 } 6451 } 6452 return result; 6453 } 6454 6455 private boolean compressText(float width) { 6456 if (isHardwareAccelerated()) return false; 6457 6458 // Only compress the text if it hasn't been compressed by the previous pass 6459 if (width > 0.0f && mLayout != null && getLineCount() == 1 && !mUserSetTextScaleX && 6460 mTextPaint.getTextScaleX() == 1.0f) { 6461 final float textWidth = mLayout.getLineWidth(0); 6462 final float overflow = (textWidth + 1.0f - width) / width; 6463 if (overflow > 0.0f && overflow <= Marquee.MARQUEE_DELTA_MAX) { 6464 mTextPaint.setTextScaleX(1.0f - overflow - 0.005f); 6465 post(new Runnable() { 6466 public void run() { 6467 requestLayout(); 6468 } 6469 }); 6470 return true; 6471 } 6472 } 6473 6474 return false; 6475 } 6476 6477 private static int desired(Layout layout) { 6478 int n = layout.getLineCount(); 6479 CharSequence text = layout.getText(); 6480 float max = 0; 6481 6482 // if any line was wrapped, we can't use it. 6483 // but it's ok for the last line not to have a newline 6484 6485 for (int i = 0; i < n - 1; i++) { 6486 if (text.charAt(layout.getLineEnd(i) - 1) != '\n') 6487 return -1; 6488 } 6489 6490 for (int i = 0; i < n; i++) { 6491 max = Math.max(max, layout.getLineWidth(i)); 6492 } 6493 6494 return (int) FloatMath.ceil(max); 6495 } 6496 6497 /** 6498 * Set whether the TextView includes extra top and bottom padding to make 6499 * room for accents that go above the normal ascent and descent. 6500 * The default is true. 6501 * 6502 * @see #getIncludeFontPadding() 6503 * 6504 * @attr ref android.R.styleable#TextView_includeFontPadding 6505 */ 6506 public void setIncludeFontPadding(boolean includepad) { 6507 if (mIncludePad != includepad) { 6508 mIncludePad = includepad; 6509 6510 if (mLayout != null) { 6511 nullLayouts(); 6512 requestLayout(); 6513 invalidate(); 6514 } 6515 } 6516 } 6517 6518 /** 6519 * Gets whether the TextView includes extra top and bottom padding to make 6520 * room for accents that go above the normal ascent and descent. 6521 * 6522 * @see #setIncludeFontPadding(boolean) 6523 * 6524 * @attr ref android.R.styleable#TextView_includeFontPadding 6525 */ 6526 public boolean getIncludeFontPadding() { 6527 return mIncludePad; 6528 } 6529 6530 private static final BoringLayout.Metrics UNKNOWN_BORING = new BoringLayout.Metrics(); 6531 6532 @Override 6533 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 6534 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 6535 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 6536 int widthSize = MeasureSpec.getSize(widthMeasureSpec); 6537 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 6538 6539 int width; 6540 int height; 6541 6542 BoringLayout.Metrics boring = UNKNOWN_BORING; 6543 BoringLayout.Metrics hintBoring = UNKNOWN_BORING; 6544 6545 if (mTextDir == null) { 6546 mTextDir = getTextDirectionHeuristic(); 6547 } 6548 6549 int des = -1; 6550 boolean fromexisting = false; 6551 6552 if (widthMode == MeasureSpec.EXACTLY) { 6553 // Parent has told us how big to be. So be it. 6554 width = widthSize; 6555 } else { 6556 if (mLayout != null && mEllipsize == null) { 6557 des = desired(mLayout); 6558 } 6559 6560 if (des < 0) { 6561 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 6562 if (boring != null) { 6563 mBoring = boring; 6564 } 6565 } else { 6566 fromexisting = true; 6567 } 6568 6569 if (boring == null || boring == UNKNOWN_BORING) { 6570 if (des < 0) { 6571 des = (int) FloatMath.ceil(Layout.getDesiredWidth(mTransformed, mTextPaint)); 6572 } 6573 width = des; 6574 } else { 6575 width = boring.width; 6576 } 6577 6578 final Drawables dr = mDrawables; 6579 if (dr != null) { 6580 width = Math.max(width, dr.mDrawableWidthTop); 6581 width = Math.max(width, dr.mDrawableWidthBottom); 6582 } 6583 6584 if (mHint != null) { 6585 int hintDes = -1; 6586 int hintWidth; 6587 6588 if (mHintLayout != null && mEllipsize == null) { 6589 hintDes = desired(mHintLayout); 6590 } 6591 6592 if (hintDes < 0) { 6593 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring); 6594 if (hintBoring != null) { 6595 mHintBoring = hintBoring; 6596 } 6597 } 6598 6599 if (hintBoring == null || hintBoring == UNKNOWN_BORING) { 6600 if (hintDes < 0) { 6601 hintDes = (int) FloatMath.ceil(Layout.getDesiredWidth(mHint, mTextPaint)); 6602 } 6603 hintWidth = hintDes; 6604 } else { 6605 hintWidth = hintBoring.width; 6606 } 6607 6608 if (hintWidth > width) { 6609 width = hintWidth; 6610 } 6611 } 6612 6613 width += getCompoundPaddingLeft() + getCompoundPaddingRight(); 6614 6615 if (mMaxWidthMode == EMS) { 6616 width = Math.min(width, mMaxWidth * getLineHeight()); 6617 } else { 6618 width = Math.min(width, mMaxWidth); 6619 } 6620 6621 if (mMinWidthMode == EMS) { 6622 width = Math.max(width, mMinWidth * getLineHeight()); 6623 } else { 6624 width = Math.max(width, mMinWidth); 6625 } 6626 6627 // Check against our minimum width 6628 width = Math.max(width, getSuggestedMinimumWidth()); 6629 6630 if (widthMode == MeasureSpec.AT_MOST) { 6631 width = Math.min(widthSize, width); 6632 } 6633 } 6634 6635 int want = width - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6636 int unpaddedWidth = want; 6637 6638 if (mHorizontallyScrolling) want = VERY_WIDE; 6639 6640 int hintWant = want; 6641 int hintWidth = (mHintLayout == null) ? hintWant : mHintLayout.getWidth(); 6642 6643 if (mLayout == null) { 6644 makeNewLayout(want, hintWant, boring, hintBoring, 6645 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 6646 } else { 6647 final boolean layoutChanged = (mLayout.getWidth() != want) || 6648 (hintWidth != hintWant) || 6649 (mLayout.getEllipsizedWidth() != 6650 width - getCompoundPaddingLeft() - getCompoundPaddingRight()); 6651 6652 final boolean widthChanged = (mHint == null) && 6653 (mEllipsize == null) && 6654 (want > mLayout.getWidth()) && 6655 (mLayout instanceof BoringLayout || (fromexisting && des >= 0 && des <= want)); 6656 6657 final boolean maximumChanged = (mMaxMode != mOldMaxMode) || (mMaximum != mOldMaximum); 6658 6659 if (layoutChanged || maximumChanged) { 6660 if (!maximumChanged && widthChanged) { 6661 mLayout.increaseWidthTo(want); 6662 } else { 6663 makeNewLayout(want, hintWant, boring, hintBoring, 6664 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 6665 } 6666 } else { 6667 // Nothing has changed 6668 } 6669 } 6670 6671 if (heightMode == MeasureSpec.EXACTLY) { 6672 // Parent has told us how big to be. So be it. 6673 height = heightSize; 6674 mDesiredHeightAtMeasure = -1; 6675 } else { 6676 int desired = getDesiredHeight(); 6677 6678 height = desired; 6679 mDesiredHeightAtMeasure = desired; 6680 6681 if (heightMode == MeasureSpec.AT_MOST) { 6682 height = Math.min(desired, heightSize); 6683 } 6684 } 6685 6686 int unpaddedHeight = height - getCompoundPaddingTop() - getCompoundPaddingBottom(); 6687 if (mMaxMode == LINES && mLayout.getLineCount() > mMaximum) { 6688 unpaddedHeight = Math.min(unpaddedHeight, mLayout.getLineTop(mMaximum)); 6689 } 6690 6691 /* 6692 * We didn't let makeNewLayout() register to bring the cursor into view, 6693 * so do it here if there is any possibility that it is needed. 6694 */ 6695 if (mMovement != null || 6696 mLayout.getWidth() > unpaddedWidth || 6697 mLayout.getHeight() > unpaddedHeight) { 6698 registerForPreDraw(); 6699 } else { 6700 scrollTo(0, 0); 6701 } 6702 6703 setMeasuredDimension(width, height); 6704 } 6705 6706 private int getDesiredHeight() { 6707 return Math.max( 6708 getDesiredHeight(mLayout, true), 6709 getDesiredHeight(mHintLayout, mEllipsize != null)); 6710 } 6711 6712 private int getDesiredHeight(Layout layout, boolean cap) { 6713 if (layout == null) { 6714 return 0; 6715 } 6716 6717 int linecount = layout.getLineCount(); 6718 int pad = getCompoundPaddingTop() + getCompoundPaddingBottom(); 6719 int desired = layout.getLineTop(linecount); 6720 6721 final Drawables dr = mDrawables; 6722 if (dr != null) { 6723 desired = Math.max(desired, dr.mDrawableHeightLeft); 6724 desired = Math.max(desired, dr.mDrawableHeightRight); 6725 } 6726 6727 desired += pad; 6728 6729 if (mMaxMode == LINES) { 6730 /* 6731 * Don't cap the hint to a certain number of lines. 6732 * (Do cap it, though, if we have a maximum pixel height.) 6733 */ 6734 if (cap) { 6735 if (linecount > mMaximum) { 6736 desired = layout.getLineTop(mMaximum); 6737 6738 if (dr != null) { 6739 desired = Math.max(desired, dr.mDrawableHeightLeft); 6740 desired = Math.max(desired, dr.mDrawableHeightRight); 6741 } 6742 6743 desired += pad; 6744 linecount = mMaximum; 6745 } 6746 } 6747 } else { 6748 desired = Math.min(desired, mMaximum); 6749 } 6750 6751 if (mMinMode == LINES) { 6752 if (linecount < mMinimum) { 6753 desired += getLineHeight() * (mMinimum - linecount); 6754 } 6755 } else { 6756 desired = Math.max(desired, mMinimum); 6757 } 6758 6759 // Check against our minimum height 6760 desired = Math.max(desired, getSuggestedMinimumHeight()); 6761 6762 return desired; 6763 } 6764 6765 /** 6766 * Check whether a change to the existing text layout requires a 6767 * new view layout. 6768 */ 6769 private void checkForResize() { 6770 boolean sizeChanged = false; 6771 6772 if (mLayout != null) { 6773 // Check if our width changed 6774 if (mLayoutParams.width == LayoutParams.WRAP_CONTENT) { 6775 sizeChanged = true; 6776 invalidate(); 6777 } 6778 6779 // Check if our height changed 6780 if (mLayoutParams.height == LayoutParams.WRAP_CONTENT) { 6781 int desiredHeight = getDesiredHeight(); 6782 6783 if (desiredHeight != this.getHeight()) { 6784 sizeChanged = true; 6785 } 6786 } else if (mLayoutParams.height == LayoutParams.MATCH_PARENT) { 6787 if (mDesiredHeightAtMeasure >= 0) { 6788 int desiredHeight = getDesiredHeight(); 6789 6790 if (desiredHeight != mDesiredHeightAtMeasure) { 6791 sizeChanged = true; 6792 } 6793 } 6794 } 6795 } 6796 6797 if (sizeChanged) { 6798 requestLayout(); 6799 // caller will have already invalidated 6800 } 6801 } 6802 6803 /** 6804 * Check whether entirely new text requires a new view layout 6805 * or merely a new text layout. 6806 */ 6807 private void checkForRelayout() { 6808 // If we have a fixed width, we can just swap in a new text layout 6809 // if the text height stays the same or if the view height is fixed. 6810 6811 if ((mLayoutParams.width != LayoutParams.WRAP_CONTENT || 6812 (mMaxWidthMode == mMinWidthMode && mMaxWidth == mMinWidth)) && 6813 (mHint == null || mHintLayout != null) && 6814 (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight() > 0)) { 6815 // Static width, so try making a new text layout. 6816 6817 int oldht = mLayout.getHeight(); 6818 int want = mLayout.getWidth(); 6819 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 6820 6821 /* 6822 * No need to bring the text into view, since the size is not 6823 * changing (unless we do the requestLayout(), in which case it 6824 * will happen at measure). 6825 */ 6826 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 6827 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), 6828 false); 6829 6830 if (mEllipsize != TextUtils.TruncateAt.MARQUEE) { 6831 // In a fixed-height view, so use our new text layout. 6832 if (mLayoutParams.height != LayoutParams.WRAP_CONTENT && 6833 mLayoutParams.height != LayoutParams.MATCH_PARENT) { 6834 invalidate(); 6835 return; 6836 } 6837 6838 // Dynamic height, but height has stayed the same, 6839 // so use our new text layout. 6840 if (mLayout.getHeight() == oldht && 6841 (mHintLayout == null || mHintLayout.getHeight() == oldht)) { 6842 invalidate(); 6843 return; 6844 } 6845 } 6846 6847 // We lose: the height has changed and we have a dynamic height. 6848 // Request a new view layout using our new text layout. 6849 requestLayout(); 6850 invalidate(); 6851 } else { 6852 // Dynamic width, so we have no choice but to request a new 6853 // view layout with a new text layout. 6854 nullLayouts(); 6855 requestLayout(); 6856 invalidate(); 6857 } 6858 } 6859 6860 @Override 6861 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 6862 super.onLayout(changed, left, top, right, bottom); 6863 if (mDeferScroll >= 0) { 6864 int curs = mDeferScroll; 6865 mDeferScroll = -1; 6866 bringPointIntoView(Math.min(curs, mText.length())); 6867 } 6868 } 6869 6870 private boolean isShowingHint() { 6871 return TextUtils.isEmpty(mText) && !TextUtils.isEmpty(mHint); 6872 } 6873 6874 /** 6875 * Returns true if anything changed. 6876 */ 6877 private boolean bringTextIntoView() { 6878 Layout layout = isShowingHint() ? mHintLayout : mLayout; 6879 int line = 0; 6880 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 6881 line = layout.getLineCount() - 1; 6882 } 6883 6884 Layout.Alignment a = layout.getParagraphAlignment(line); 6885 int dir = layout.getParagraphDirection(line); 6886 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6887 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 6888 int ht = layout.getHeight(); 6889 6890 int scrollx, scrolly; 6891 6892 // Convert to left, center, or right alignment. 6893 if (a == Layout.Alignment.ALIGN_NORMAL) { 6894 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_LEFT : 6895 Layout.Alignment.ALIGN_RIGHT; 6896 } else if (a == Layout.Alignment.ALIGN_OPPOSITE){ 6897 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_RIGHT : 6898 Layout.Alignment.ALIGN_LEFT; 6899 } 6900 6901 if (a == Layout.Alignment.ALIGN_CENTER) { 6902 /* 6903 * Keep centered if possible, or, if it is too wide to fit, 6904 * keep leading edge in view. 6905 */ 6906 6907 int left = (int) FloatMath.floor(layout.getLineLeft(line)); 6908 int right = (int) FloatMath.ceil(layout.getLineRight(line)); 6909 6910 if (right - left < hspace) { 6911 scrollx = (right + left) / 2 - hspace / 2; 6912 } else { 6913 if (dir < 0) { 6914 scrollx = right - hspace; 6915 } else { 6916 scrollx = left; 6917 } 6918 } 6919 } else if (a == Layout.Alignment.ALIGN_RIGHT) { 6920 int right = (int) FloatMath.ceil(layout.getLineRight(line)); 6921 scrollx = right - hspace; 6922 } else { // a == Layout.Alignment.ALIGN_LEFT (will also be the default) 6923 scrollx = (int) FloatMath.floor(layout.getLineLeft(line)); 6924 } 6925 6926 if (ht < vspace) { 6927 scrolly = 0; 6928 } else { 6929 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 6930 scrolly = ht - vspace; 6931 } else { 6932 scrolly = 0; 6933 } 6934 } 6935 6936 if (scrollx != mScrollX || scrolly != mScrollY) { 6937 scrollTo(scrollx, scrolly); 6938 return true; 6939 } else { 6940 return false; 6941 } 6942 } 6943 6944 /** 6945 * Move the point, specified by the offset, into the view if it is needed. 6946 * This has to be called after layout. Returns true if anything changed. 6947 */ 6948 public boolean bringPointIntoView(int offset) { 6949 if (isLayoutRequested()) { 6950 mDeferScroll = offset; 6951 return false; 6952 } 6953 boolean changed = false; 6954 6955 Layout layout = isShowingHint() ? mHintLayout: mLayout; 6956 6957 if (layout == null) return changed; 6958 6959 int line = layout.getLineForOffset(offset); 6960 6961 int grav; 6962 6963 switch (layout.getParagraphAlignment(line)) { 6964 case ALIGN_LEFT: 6965 grav = 1; 6966 break; 6967 case ALIGN_RIGHT: 6968 grav = -1; 6969 break; 6970 case ALIGN_NORMAL: 6971 grav = layout.getParagraphDirection(line); 6972 break; 6973 case ALIGN_OPPOSITE: 6974 grav = -layout.getParagraphDirection(line); 6975 break; 6976 case ALIGN_CENTER: 6977 default: 6978 grav = 0; 6979 break; 6980 } 6981 6982 // We only want to clamp the cursor to fit within the layout width 6983 // in left-to-right modes, because in a right to left alignment, 6984 // we want to scroll to keep the line-right on the screen, as other 6985 // lines are likely to have text flush with the right margin, which 6986 // we want to keep visible. 6987 // A better long-term solution would probably be to measure both 6988 // the full line and a blank-trimmed version, and, for example, use 6989 // the latter measurement for centering and right alignment, but for 6990 // the time being we only implement the cursor clamping in left to 6991 // right where it is most likely to be annoying. 6992 final boolean clamped = grav > 0; 6993 // FIXME: Is it okay to truncate this, or should we round? 6994 final int x = (int)layout.getPrimaryHorizontal(offset, clamped); 6995 final int top = layout.getLineTop(line); 6996 final int bottom = layout.getLineTop(line + 1); 6997 6998 int left = (int) FloatMath.floor(layout.getLineLeft(line)); 6999 int right = (int) FloatMath.ceil(layout.getLineRight(line)); 7000 int ht = layout.getHeight(); 7001 7002 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7003 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7004 if (!mHorizontallyScrolling && right - left > hspace && right > x) { 7005 // If cursor has been clamped, make sure we don't scroll. 7006 right = Math.max(x, left + hspace); 7007 } 7008 7009 int hslack = (bottom - top) / 2; 7010 int vslack = hslack; 7011 7012 if (vslack > vspace / 4) 7013 vslack = vspace / 4; 7014 if (hslack > hspace / 4) 7015 hslack = hspace / 4; 7016 7017 int hs = mScrollX; 7018 int vs = mScrollY; 7019 7020 if (top - vs < vslack) 7021 vs = top - vslack; 7022 if (bottom - vs > vspace - vslack) 7023 vs = bottom - (vspace - vslack); 7024 if (ht - vs < vspace) 7025 vs = ht - vspace; 7026 if (0 - vs > 0) 7027 vs = 0; 7028 7029 if (grav != 0) { 7030 if (x - hs < hslack) { 7031 hs = x - hslack; 7032 } 7033 if (x - hs > hspace - hslack) { 7034 hs = x - (hspace - hslack); 7035 } 7036 } 7037 7038 if (grav < 0) { 7039 if (left - hs > 0) 7040 hs = left; 7041 if (right - hs < hspace) 7042 hs = right - hspace; 7043 } else if (grav > 0) { 7044 if (right - hs < hspace) 7045 hs = right - hspace; 7046 if (left - hs > 0) 7047 hs = left; 7048 } else /* grav == 0 */ { 7049 if (right - left <= hspace) { 7050 /* 7051 * If the entire text fits, center it exactly. 7052 */ 7053 hs = left - (hspace - (right - left)) / 2; 7054 } else if (x > right - hslack) { 7055 /* 7056 * If we are near the right edge, keep the right edge 7057 * at the edge of the view. 7058 */ 7059 hs = right - hspace; 7060 } else if (x < left + hslack) { 7061 /* 7062 * If we are near the left edge, keep the left edge 7063 * at the edge of the view. 7064 */ 7065 hs = left; 7066 } else if (left > hs) { 7067 /* 7068 * Is there whitespace visible at the left? Fix it if so. 7069 */ 7070 hs = left; 7071 } else if (right < hs + hspace) { 7072 /* 7073 * Is there whitespace visible at the right? Fix it if so. 7074 */ 7075 hs = right - hspace; 7076 } else { 7077 /* 7078 * Otherwise, float as needed. 7079 */ 7080 if (x - hs < hslack) { 7081 hs = x - hslack; 7082 } 7083 if (x - hs > hspace - hslack) { 7084 hs = x - (hspace - hslack); 7085 } 7086 } 7087 } 7088 7089 if (hs != mScrollX || vs != mScrollY) { 7090 if (mScroller == null) { 7091 scrollTo(hs, vs); 7092 } else { 7093 long duration = AnimationUtils.currentAnimationTimeMillis() - mLastScroll; 7094 int dx = hs - mScrollX; 7095 int dy = vs - mScrollY; 7096 7097 if (duration > ANIMATED_SCROLL_GAP) { 7098 mScroller.startScroll(mScrollX, mScrollY, dx, dy); 7099 awakenScrollBars(mScroller.getDuration()); 7100 invalidate(); 7101 } else { 7102 if (!mScroller.isFinished()) { 7103 mScroller.abortAnimation(); 7104 } 7105 7106 scrollBy(dx, dy); 7107 } 7108 7109 mLastScroll = AnimationUtils.currentAnimationTimeMillis(); 7110 } 7111 7112 changed = true; 7113 } 7114 7115 if (isFocused()) { 7116 // This offsets because getInterestingRect() is in terms of viewport coordinates, but 7117 // requestRectangleOnScreen() is in terms of content coordinates. 7118 7119 // The offsets here are to ensure the rectangle we are using is 7120 // within our view bounds, in case the cursor is on the far left 7121 // or right. If it isn't withing the bounds, then this request 7122 // will be ignored. 7123 if (mTempRect == null) mTempRect = new Rect(); 7124 mTempRect.set(x - 2, top, x + 2, bottom); 7125 getInterestingRect(mTempRect, line); 7126 mTempRect.offset(mScrollX, mScrollY); 7127 7128 if (requestRectangleOnScreen(mTempRect)) { 7129 changed = true; 7130 } 7131 } 7132 7133 return changed; 7134 } 7135 7136 /** 7137 * Move the cursor, if needed, so that it is at an offset that is visible 7138 * to the user. This will not move the cursor if it represents more than 7139 * one character (a selection range). This will only work if the 7140 * TextView contains spannable text; otherwise it will do nothing. 7141 * 7142 * @return True if the cursor was actually moved, false otherwise. 7143 */ 7144 public boolean moveCursorToVisibleOffset() { 7145 if (!(mText instanceof Spannable)) { 7146 return false; 7147 } 7148 int start = getSelectionStart(); 7149 int end = getSelectionEnd(); 7150 if (start != end) { 7151 return false; 7152 } 7153 7154 // First: make sure the line is visible on screen: 7155 7156 int line = mLayout.getLineForOffset(start); 7157 7158 final int top = mLayout.getLineTop(line); 7159 final int bottom = mLayout.getLineTop(line + 1); 7160 final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 7161 int vslack = (bottom - top) / 2; 7162 if (vslack > vspace / 4) 7163 vslack = vspace / 4; 7164 final int vs = mScrollY; 7165 7166 if (top < (vs+vslack)) { 7167 line = mLayout.getLineForVertical(vs+vslack+(bottom-top)); 7168 } else if (bottom > (vspace+vs-vslack)) { 7169 line = mLayout.getLineForVertical(vspace+vs-vslack-(bottom-top)); 7170 } 7171 7172 // Next: make sure the character is visible on screen: 7173 7174 final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7175 final int hs = mScrollX; 7176 final int leftChar = mLayout.getOffsetForHorizontal(line, hs); 7177 final int rightChar = mLayout.getOffsetForHorizontal(line, hspace+hs); 7178 7179 // line might contain bidirectional text 7180 final int lowChar = leftChar < rightChar ? leftChar : rightChar; 7181 final int highChar = leftChar > rightChar ? leftChar : rightChar; 7182 7183 int newStart = start; 7184 if (newStart < lowChar) { 7185 newStart = lowChar; 7186 } else if (newStart > highChar) { 7187 newStart = highChar; 7188 } 7189 7190 if (newStart != start) { 7191 Selection.setSelection((Spannable)mText, newStart); 7192 return true; 7193 } 7194 7195 return false; 7196 } 7197 7198 @Override 7199 public void computeScroll() { 7200 if (mScroller != null) { 7201 if (mScroller.computeScrollOffset()) { 7202 mScrollX = mScroller.getCurrX(); 7203 mScrollY = mScroller.getCurrY(); 7204 invalidateParentCaches(); 7205 postInvalidate(); // So we draw again 7206 } 7207 } 7208 } 7209 7210 private void getInterestingRect(Rect r, int line) { 7211 convertFromViewportToContentCoordinates(r); 7212 7213 // Rectangle can can be expanded on first and last line to take 7214 // padding into account. 7215 // TODO Take left/right padding into account too? 7216 if (line == 0) r.top -= getExtendedPaddingTop(); 7217 if (line == mLayout.getLineCount() - 1) r.bottom += getExtendedPaddingBottom(); 7218 } 7219 7220 private void convertFromViewportToContentCoordinates(Rect r) { 7221 final int horizontalOffset = viewportToContentHorizontalOffset(); 7222 r.left += horizontalOffset; 7223 r.right += horizontalOffset; 7224 7225 final int verticalOffset = viewportToContentVerticalOffset(); 7226 r.top += verticalOffset; 7227 r.bottom += verticalOffset; 7228 } 7229 7230 int viewportToContentHorizontalOffset() { 7231 return getCompoundPaddingLeft() - mScrollX; 7232 } 7233 7234 int viewportToContentVerticalOffset() { 7235 int offset = getExtendedPaddingTop() - mScrollY; 7236 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 7237 offset += getVerticalOffset(false); 7238 } 7239 return offset; 7240 } 7241 7242 @Override 7243 public void debug(int depth) { 7244 super.debug(depth); 7245 7246 String output = debugIndent(depth); 7247 output += "frame={" + mLeft + ", " + mTop + ", " + mRight 7248 + ", " + mBottom + "} scroll={" + mScrollX + ", " + mScrollY 7249 + "} "; 7250 7251 if (mText != null) { 7252 7253 output += "mText=\"" + mText + "\" "; 7254 if (mLayout != null) { 7255 output += "mLayout width=" + mLayout.getWidth() 7256 + " height=" + mLayout.getHeight(); 7257 } 7258 } else { 7259 output += "mText=NULL"; 7260 } 7261 Log.d(VIEW_LOG_TAG, output); 7262 } 7263 7264 /** 7265 * Convenience for {@link Selection#getSelectionStart}. 7266 */ 7267 @ViewDebug.ExportedProperty(category = "text") 7268 public int getSelectionStart() { 7269 return Selection.getSelectionStart(getText()); 7270 } 7271 7272 /** 7273 * Convenience for {@link Selection#getSelectionEnd}. 7274 */ 7275 @ViewDebug.ExportedProperty(category = "text") 7276 public int getSelectionEnd() { 7277 return Selection.getSelectionEnd(getText()); 7278 } 7279 7280 /** 7281 * Return true iff there is a selection inside this text view. 7282 */ 7283 public boolean hasSelection() { 7284 final int selectionStart = getSelectionStart(); 7285 final int selectionEnd = getSelectionEnd(); 7286 7287 return selectionStart >= 0 && selectionStart != selectionEnd; 7288 } 7289 7290 /** 7291 * Sets the properties of this field (lines, horizontally scrolling, 7292 * transformation method) to be for a single-line input. 7293 * 7294 * @attr ref android.R.styleable#TextView_singleLine 7295 */ 7296 public void setSingleLine() { 7297 setSingleLine(true); 7298 } 7299 7300 /** 7301 * Sets the properties of this field to transform input to ALL CAPS 7302 * display. This may use a "small caps" formatting if available. 7303 * This setting will be ignored if this field is editable or selectable. 7304 * 7305 * This call replaces the current transformation method. Disabling this 7306 * will not necessarily restore the previous behavior from before this 7307 * was enabled. 7308 * 7309 * @see #setTransformationMethod(TransformationMethod) 7310 * @attr ref android.R.styleable#TextView_textAllCaps 7311 */ 7312 public void setAllCaps(boolean allCaps) { 7313 if (allCaps) { 7314 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 7315 } else { 7316 setTransformationMethod(null); 7317 } 7318 } 7319 7320 /** 7321 * If true, sets the properties of this field (number of lines, horizontally scrolling, 7322 * transformation method) to be for a single-line input; if false, restores these to the default 7323 * conditions. 7324 * 7325 * Note that the default conditions are not necessarily those that were in effect prior this 7326 * method, and you may want to reset these properties to your custom values. 7327 * 7328 * @attr ref android.R.styleable#TextView_singleLine 7329 */ 7330 @android.view.RemotableViewMethod 7331 public void setSingleLine(boolean singleLine) { 7332 // Could be used, but may break backward compatibility. 7333 // if (mSingleLine == singleLine) return; 7334 setInputTypeSingleLine(singleLine); 7335 applySingleLine(singleLine, true, true); 7336 } 7337 7338 /** 7339 * Adds or remove the EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE on the mInputType. 7340 * @param singleLine 7341 */ 7342 private void setInputTypeSingleLine(boolean singleLine) { 7343 if (mEditor != null && 7344 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 7345 if (singleLine) { 7346 mEditor.mInputType &= ~EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7347 } else { 7348 mEditor.mInputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7349 } 7350 } 7351 } 7352 7353 private void applySingleLine(boolean singleLine, boolean applyTransformation, 7354 boolean changeMaxLines) { 7355 mSingleLine = singleLine; 7356 if (singleLine) { 7357 setLines(1); 7358 setHorizontallyScrolling(true); 7359 if (applyTransformation) { 7360 setTransformationMethod(SingleLineTransformationMethod.getInstance()); 7361 } 7362 } else { 7363 if (changeMaxLines) { 7364 setMaxLines(Integer.MAX_VALUE); 7365 } 7366 setHorizontallyScrolling(false); 7367 if (applyTransformation) { 7368 setTransformationMethod(null); 7369 } 7370 } 7371 } 7372 7373 /** 7374 * Causes words in the text that are longer than the view is wide 7375 * to be ellipsized instead of broken in the middle. You may also 7376 * want to {@link #setSingleLine} or {@link #setHorizontallyScrolling} 7377 * to constrain the text to a single line. Use <code>null</code> 7378 * to turn off ellipsizing. 7379 * 7380 * If {@link #setMaxLines} has been used to set two or more lines, 7381 * only {@link android.text.TextUtils.TruncateAt#END} and 7382 * {@link android.text.TextUtils.TruncateAt#MARQUEE} are supported 7383 * (other ellipsizing types will not do anything). 7384 * 7385 * @attr ref android.R.styleable#TextView_ellipsize 7386 */ 7387 public void setEllipsize(TextUtils.TruncateAt where) { 7388 // TruncateAt is an enum. != comparison is ok between these singleton objects. 7389 if (mEllipsize != where) { 7390 mEllipsize = where; 7391 7392 if (mLayout != null) { 7393 nullLayouts(); 7394 requestLayout(); 7395 invalidate(); 7396 } 7397 } 7398 } 7399 7400 /** 7401 * Sets how many times to repeat the marquee animation. Only applied if the 7402 * TextView has marquee enabled. Set to -1 to repeat indefinitely. 7403 * 7404 * @see #getMarqueeRepeatLimit() 7405 * 7406 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7407 */ 7408 public void setMarqueeRepeatLimit(int marqueeLimit) { 7409 mMarqueeRepeatLimit = marqueeLimit; 7410 } 7411 7412 /** 7413 * Gets the number of times the marquee animation is repeated. Only meaningful if the 7414 * TextView has marquee enabled. 7415 * 7416 * @return the number of times the marquee animation is repeated. -1 if the animation 7417 * repeats indefinitely 7418 * 7419 * @see #setMarqueeRepeatLimit(int) 7420 * 7421 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7422 */ 7423 public int getMarqueeRepeatLimit() { 7424 return mMarqueeRepeatLimit; 7425 } 7426 7427 /** 7428 * Returns where, if anywhere, words that are longer than the view 7429 * is wide should be ellipsized. 7430 */ 7431 @ViewDebug.ExportedProperty 7432 public TextUtils.TruncateAt getEllipsize() { 7433 return mEllipsize; 7434 } 7435 7436 /** 7437 * Set the TextView so that when it takes focus, all the text is 7438 * selected. 7439 * 7440 * @attr ref android.R.styleable#TextView_selectAllOnFocus 7441 */ 7442 @android.view.RemotableViewMethod 7443 public void setSelectAllOnFocus(boolean selectAllOnFocus) { 7444 createEditorIfNeeded(); 7445 mEditor.mSelectAllOnFocus = selectAllOnFocus; 7446 7447 if (selectAllOnFocus && !(mText instanceof Spannable)) { 7448 setText(mText, BufferType.SPANNABLE); 7449 } 7450 } 7451 7452 /** 7453 * Set whether the cursor is visible. The default is true. Note that this property only 7454 * makes sense for editable TextView. 7455 * 7456 * @see #isCursorVisible() 7457 * 7458 * @attr ref android.R.styleable#TextView_cursorVisible 7459 */ 7460 @android.view.RemotableViewMethod 7461 public void setCursorVisible(boolean visible) { 7462 if (visible && mEditor == null) return; // visible is the default value with no edit data 7463 createEditorIfNeeded(); 7464 if (mEditor.mCursorVisible != visible) { 7465 mEditor.mCursorVisible = visible; 7466 invalidate(); 7467 7468 mEditor.makeBlink(); 7469 7470 // InsertionPointCursorController depends on mCursorVisible 7471 mEditor.prepareCursorControllers(); 7472 } 7473 } 7474 7475 /** 7476 * @return whether or not the cursor is visible (assuming this TextView is editable) 7477 * 7478 * @see #setCursorVisible(boolean) 7479 * 7480 * @attr ref android.R.styleable#TextView_cursorVisible 7481 */ 7482 public boolean isCursorVisible() { 7483 // true is the default value 7484 return mEditor == null ? true : mEditor.mCursorVisible; 7485 } 7486 7487 private boolean canMarquee() { 7488 int width = (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight()); 7489 return width > 0 && (mLayout.getLineWidth(0) > width || 7490 (mMarqueeFadeMode != MARQUEE_FADE_NORMAL && mSavedMarqueeModeLayout != null && 7491 mSavedMarqueeModeLayout.getLineWidth(0) > width)); 7492 } 7493 7494 private void startMarquee() { 7495 // Do not ellipsize EditText 7496 if (getKeyListener() != null) return; 7497 7498 if (compressText(getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight())) { 7499 return; 7500 } 7501 7502 if ((mMarquee == null || mMarquee.isStopped()) && (isFocused() || isSelected()) && 7503 getLineCount() == 1 && canMarquee()) { 7504 7505 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 7506 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_FADE; 7507 final Layout tmp = mLayout; 7508 mLayout = mSavedMarqueeModeLayout; 7509 mSavedMarqueeModeLayout = tmp; 7510 setHorizontalFadingEdgeEnabled(true); 7511 requestLayout(); 7512 invalidate(); 7513 } 7514 7515 if (mMarquee == null) mMarquee = new Marquee(this); 7516 mMarquee.start(mMarqueeRepeatLimit); 7517 } 7518 } 7519 7520 private void stopMarquee() { 7521 if (mMarquee != null && !mMarquee.isStopped()) { 7522 mMarquee.stop(); 7523 } 7524 7525 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_FADE) { 7526 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 7527 final Layout tmp = mSavedMarqueeModeLayout; 7528 mSavedMarqueeModeLayout = mLayout; 7529 mLayout = tmp; 7530 setHorizontalFadingEdgeEnabled(false); 7531 requestLayout(); 7532 invalidate(); 7533 } 7534 } 7535 7536 private void startStopMarquee(boolean start) { 7537 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 7538 if (start) { 7539 startMarquee(); 7540 } else { 7541 stopMarquee(); 7542 } 7543 } 7544 } 7545 7546 /** 7547 * This method is called when the text is changed, in case any subclasses 7548 * would like to know. 7549 * 7550 * Within <code>text</code>, the <code>lengthAfter</code> characters 7551 * beginning at <code>start</code> have just replaced old text that had 7552 * length <code>lengthBefore</code>. It is an error to attempt to make 7553 * changes to <code>text</code> from this callback. 7554 * 7555 * @param text The text the TextView is displaying 7556 * @param start The offset of the start of the range of the text that was 7557 * modified 7558 * @param lengthBefore The length of the former text that has been replaced 7559 * @param lengthAfter The length of the replacement modified text 7560 */ 7561 protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 7562 // intentionally empty, template pattern method can be overridden by subclasses 7563 } 7564 7565 /** 7566 * This method is called when the selection has changed, in case any 7567 * subclasses would like to know. 7568 * 7569 * @param selStart The new selection start location. 7570 * @param selEnd The new selection end location. 7571 */ 7572 protected void onSelectionChanged(int selStart, int selEnd) { 7573 sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED); 7574 } 7575 7576 /** 7577 * Adds a TextWatcher to the list of those whose methods are called 7578 * whenever this TextView's text changes. 7579 * <p> 7580 * In 1.0, the {@link TextWatcher#afterTextChanged} method was erroneously 7581 * not called after {@link #setText} calls. Now, doing {@link #setText} 7582 * if there are any text changed listeners forces the buffer type to 7583 * Editable if it would not otherwise be and does call this method. 7584 */ 7585 public void addTextChangedListener(TextWatcher watcher) { 7586 if (mListeners == null) { 7587 mListeners = new ArrayList<TextWatcher>(); 7588 } 7589 7590 mListeners.add(watcher); 7591 } 7592 7593 /** 7594 * Removes the specified TextWatcher from the list of those whose 7595 * methods are called 7596 * whenever this TextView's text changes. 7597 */ 7598 public void removeTextChangedListener(TextWatcher watcher) { 7599 if (mListeners != null) { 7600 int i = mListeners.indexOf(watcher); 7601 7602 if (i >= 0) { 7603 mListeners.remove(i); 7604 } 7605 } 7606 } 7607 7608 private void sendBeforeTextChanged(CharSequence text, int start, int before, int after) { 7609 if (mListeners != null) { 7610 final ArrayList<TextWatcher> list = mListeners; 7611 final int count = list.size(); 7612 for (int i = 0; i < count; i++) { 7613 list.get(i).beforeTextChanged(text, start, before, after); 7614 } 7615 } 7616 7617 // The spans that are inside or intersect the modified region no longer make sense 7618 removeIntersectingNonAdjacentSpans(start, start + before, SpellCheckSpan.class); 7619 removeIntersectingNonAdjacentSpans(start, start + before, SuggestionSpan.class); 7620 } 7621 7622 // Removes all spans that are inside or actually overlap the start..end range 7623 private <T> void removeIntersectingNonAdjacentSpans(int start, int end, Class<T> type) { 7624 if (!(mText instanceof Editable)) return; 7625 Editable text = (Editable) mText; 7626 7627 T[] spans = text.getSpans(start, end, type); 7628 final int length = spans.length; 7629 for (int i = 0; i < length; i++) { 7630 final int spanStart = text.getSpanStart(spans[i]); 7631 final int spanEnd = text.getSpanEnd(spans[i]); 7632 if (spanEnd == start || spanStart == end) break; 7633 text.removeSpan(spans[i]); 7634 } 7635 } 7636 7637 void removeAdjacentSuggestionSpans(final int pos) { 7638 if (!(mText instanceof Editable)) return; 7639 final Editable text = (Editable) mText; 7640 7641 final SuggestionSpan[] spans = text.getSpans(pos, pos, SuggestionSpan.class); 7642 final int length = spans.length; 7643 for (int i = 0; i < length; i++) { 7644 final int spanStart = text.getSpanStart(spans[i]); 7645 final int spanEnd = text.getSpanEnd(spans[i]); 7646 if (spanEnd == pos || spanStart == pos) { 7647 if (SpellChecker.haveWordBoundariesChanged(text, pos, pos, spanStart, spanEnd)) { 7648 text.removeSpan(spans[i]); 7649 } 7650 } 7651 } 7652 } 7653 7654 /** 7655 * Not private so it can be called from an inner class without going 7656 * through a thunk. 7657 */ 7658 void sendOnTextChanged(CharSequence text, int start, int before, int after) { 7659 if (mListeners != null) { 7660 final ArrayList<TextWatcher> list = mListeners; 7661 final int count = list.size(); 7662 for (int i = 0; i < count; i++) { 7663 list.get(i).onTextChanged(text, start, before, after); 7664 } 7665 } 7666 7667 if (mEditor != null) mEditor.sendOnTextChanged(start, after); 7668 } 7669 7670 /** 7671 * Not private so it can be called from an inner class without going 7672 * through a thunk. 7673 */ 7674 void sendAfterTextChanged(Editable text) { 7675 if (mListeners != null) { 7676 final ArrayList<TextWatcher> list = mListeners; 7677 final int count = list.size(); 7678 for (int i = 0; i < count; i++) { 7679 list.get(i).afterTextChanged(text); 7680 } 7681 } 7682 hideErrorIfUnchanged(); 7683 } 7684 7685 void updateAfterEdit() { 7686 invalidate(); 7687 int curs = getSelectionStart(); 7688 7689 if (curs >= 0 || (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 7690 registerForPreDraw(); 7691 } 7692 7693 checkForResize(); 7694 7695 if (curs >= 0) { 7696 mHighlightPathBogus = true; 7697 if (mEditor != null) mEditor.makeBlink(); 7698 bringPointIntoView(curs); 7699 } 7700 } 7701 7702 /** 7703 * Not private so it can be called from an inner class without going 7704 * through a thunk. 7705 */ 7706 void handleTextChanged(CharSequence buffer, int start, int before, int after) { 7707 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 7708 if (ims == null || ims.mBatchEditNesting == 0) { 7709 updateAfterEdit(); 7710 } 7711 if (ims != null) { 7712 ims.mContentChanged = true; 7713 if (ims.mChangedStart < 0) { 7714 ims.mChangedStart = start; 7715 ims.mChangedEnd = start+before; 7716 } else { 7717 ims.mChangedStart = Math.min(ims.mChangedStart, start); 7718 ims.mChangedEnd = Math.max(ims.mChangedEnd, start + before - ims.mChangedDelta); 7719 } 7720 ims.mChangedDelta += after-before; 7721 } 7722 resetErrorChangedFlag(); 7723 sendOnTextChanged(buffer, start, before, after); 7724 onTextChanged(buffer, start, before, after); 7725 } 7726 7727 /** 7728 * Not private so it can be called from an inner class without going 7729 * through a thunk. 7730 */ 7731 void spanChange(Spanned buf, Object what, int oldStart, int newStart, int oldEnd, int newEnd) { 7732 // XXX Make the start and end move together if this ends up 7733 // spending too much time invalidating. 7734 7735 boolean selChanged = false; 7736 int newSelStart=-1, newSelEnd=-1; 7737 7738 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 7739 7740 if (what == Selection.SELECTION_END) { 7741 selChanged = true; 7742 newSelEnd = newStart; 7743 7744 if (oldStart >= 0 || newStart >= 0) { 7745 invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart); 7746 checkForResize(); 7747 registerForPreDraw(); 7748 if (mEditor != null) mEditor.makeBlink(); 7749 } 7750 } 7751 7752 if (what == Selection.SELECTION_START) { 7753 selChanged = true; 7754 newSelStart = newStart; 7755 7756 if (oldStart >= 0 || newStart >= 0) { 7757 int end = Selection.getSelectionEnd(buf); 7758 invalidateCursor(end, oldStart, newStart); 7759 } 7760 } 7761 7762 if (selChanged) { 7763 mHighlightPathBogus = true; 7764 if (mEditor != null && !isFocused()) mEditor.mSelectionMoved = true; 7765 7766 if ((buf.getSpanFlags(what)&Spanned.SPAN_INTERMEDIATE) == 0) { 7767 if (newSelStart < 0) { 7768 newSelStart = Selection.getSelectionStart(buf); 7769 } 7770 if (newSelEnd < 0) { 7771 newSelEnd = Selection.getSelectionEnd(buf); 7772 } 7773 onSelectionChanged(newSelStart, newSelEnd); 7774 } 7775 } 7776 7777 if (what instanceof UpdateAppearance || what instanceof ParagraphStyle || 7778 what instanceof CharacterStyle) { 7779 if (ims == null || ims.mBatchEditNesting == 0) { 7780 invalidate(); 7781 mHighlightPathBogus = true; 7782 checkForResize(); 7783 } else { 7784 ims.mContentChanged = true; 7785 } 7786 if (mEditor != null) { 7787 if (oldStart >= 0) mEditor.invalidateTextDisplayList(mLayout, oldStart, oldEnd); 7788 if (newStart >= 0) mEditor.invalidateTextDisplayList(mLayout, newStart, newEnd); 7789 } 7790 } 7791 7792 if (MetaKeyKeyListener.isMetaTracker(buf, what)) { 7793 mHighlightPathBogus = true; 7794 if (ims != null && MetaKeyKeyListener.isSelectingMetaTracker(buf, what)) { 7795 ims.mSelectionModeChanged = true; 7796 } 7797 7798 if (Selection.getSelectionStart(buf) >= 0) { 7799 if (ims == null || ims.mBatchEditNesting == 0) { 7800 invalidateCursor(); 7801 } else { 7802 ims.mCursorChanged = true; 7803 } 7804 } 7805 } 7806 7807 if (what instanceof ParcelableSpan) { 7808 // If this is a span that can be sent to a remote process, 7809 // the current extract editor would be interested in it. 7810 if (ims != null && ims.mExtractedTextRequest != null) { 7811 if (ims.mBatchEditNesting != 0) { 7812 if (oldStart >= 0) { 7813 if (ims.mChangedStart > oldStart) { 7814 ims.mChangedStart = oldStart; 7815 } 7816 if (ims.mChangedStart > oldEnd) { 7817 ims.mChangedStart = oldEnd; 7818 } 7819 } 7820 if (newStart >= 0) { 7821 if (ims.mChangedStart > newStart) { 7822 ims.mChangedStart = newStart; 7823 } 7824 if (ims.mChangedStart > newEnd) { 7825 ims.mChangedStart = newEnd; 7826 } 7827 } 7828 } else { 7829 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "Span change outside of batch: " 7830 + oldStart + "-" + oldEnd + "," 7831 + newStart + "-" + newEnd + " " + what); 7832 ims.mContentChanged = true; 7833 } 7834 } 7835 } 7836 7837 if (mEditor != null && mEditor.mSpellChecker != null && newStart < 0 && 7838 what instanceof SpellCheckSpan) { 7839 mEditor.mSpellChecker.onSpellCheckSpanRemoved((SpellCheckSpan) what); 7840 } 7841 } 7842 7843 /** 7844 * @hide 7845 */ 7846 @Override 7847 public void dispatchFinishTemporaryDetach() { 7848 mDispatchTemporaryDetach = true; 7849 super.dispatchFinishTemporaryDetach(); 7850 mDispatchTemporaryDetach = false; 7851 } 7852 7853 @Override 7854 public void onStartTemporaryDetach() { 7855 super.onStartTemporaryDetach(); 7856 // Only track when onStartTemporaryDetach() is called directly, 7857 // usually because this instance is an editable field in a list 7858 if (!mDispatchTemporaryDetach) mTemporaryDetach = true; 7859 7860 // Tell the editor that we are temporarily detached. It can use this to preserve 7861 // selection state as needed. 7862 if (mEditor != null) mEditor.mTemporaryDetach = true; 7863 } 7864 7865 @Override 7866 public void onFinishTemporaryDetach() { 7867 super.onFinishTemporaryDetach(); 7868 // Only track when onStartTemporaryDetach() is called directly, 7869 // usually because this instance is an editable field in a list 7870 if (!mDispatchTemporaryDetach) mTemporaryDetach = false; 7871 if (mEditor != null) mEditor.mTemporaryDetach = false; 7872 } 7873 7874 @Override 7875 protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 7876 if (mTemporaryDetach) { 7877 // If we are temporarily in the detach state, then do nothing. 7878 super.onFocusChanged(focused, direction, previouslyFocusedRect); 7879 return; 7880 } 7881 7882 if (mEditor != null) mEditor.onFocusChanged(focused, direction); 7883 7884 if (focused) { 7885 if (mText instanceof Spannable) { 7886 Spannable sp = (Spannable) mText; 7887 MetaKeyKeyListener.resetMetaState(sp); 7888 } 7889 } 7890 7891 startStopMarquee(focused); 7892 7893 if (mTransformation != null) { 7894 mTransformation.onFocusChanged(this, mText, focused, direction, previouslyFocusedRect); 7895 } 7896 7897 super.onFocusChanged(focused, direction, previouslyFocusedRect); 7898 } 7899 7900 @Override 7901 public void onWindowFocusChanged(boolean hasWindowFocus) { 7902 super.onWindowFocusChanged(hasWindowFocus); 7903 7904 if (mEditor != null) mEditor.onWindowFocusChanged(hasWindowFocus); 7905 7906 startStopMarquee(hasWindowFocus); 7907 } 7908 7909 @Override 7910 protected void onVisibilityChanged(View changedView, int visibility) { 7911 super.onVisibilityChanged(changedView, visibility); 7912 if (mEditor != null && visibility != VISIBLE) { 7913 mEditor.hideControllers(); 7914 } 7915 } 7916 7917 /** 7918 * Use {@link BaseInputConnection#removeComposingSpans 7919 * BaseInputConnection.removeComposingSpans()} to remove any IME composing 7920 * state from this text view. 7921 */ 7922 public void clearComposingText() { 7923 if (mText instanceof Spannable) { 7924 BaseInputConnection.removeComposingSpans((Spannable)mText); 7925 } 7926 } 7927 7928 @Override 7929 public void setSelected(boolean selected) { 7930 boolean wasSelected = isSelected(); 7931 7932 super.setSelected(selected); 7933 7934 if (selected != wasSelected && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 7935 if (selected) { 7936 startMarquee(); 7937 } else { 7938 stopMarquee(); 7939 } 7940 } 7941 } 7942 7943 @Override 7944 public boolean onTouchEvent(MotionEvent event) { 7945 final int action = event.getActionMasked(); 7946 7947 if (mEditor != null) mEditor.onTouchEvent(event); 7948 7949 final boolean superResult = super.onTouchEvent(event); 7950 7951 /* 7952 * Don't handle the release after a long press, because it will 7953 * move the selection away from whatever the menu action was 7954 * trying to affect. 7955 */ 7956 if (mEditor != null && mEditor.mDiscardNextActionUp && action == MotionEvent.ACTION_UP) { 7957 mEditor.mDiscardNextActionUp = false; 7958 return superResult; 7959 } 7960 7961 final boolean touchIsFinished = (action == MotionEvent.ACTION_UP) && 7962 (mEditor == null || !mEditor.mIgnoreActionUpEvent) && isFocused(); 7963 7964 if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() 7965 && mText instanceof Spannable && mLayout != null) { 7966 boolean handled = false; 7967 7968 if (mMovement != null) { 7969 handled |= mMovement.onTouchEvent(this, (Spannable) mText, event); 7970 } 7971 7972 final boolean textIsSelectable = isTextSelectable(); 7973 if (touchIsFinished && mLinksClickable && mAutoLinkMask != 0 && textIsSelectable) { 7974 // The LinkMovementMethod which should handle taps on links has not been installed 7975 // on non editable text that support text selection. 7976 // We reproduce its behavior here to open links for these. 7977 ClickableSpan[] links = ((Spannable) mText).getSpans(getSelectionStart(), 7978 getSelectionEnd(), ClickableSpan.class); 7979 7980 if (links.length > 0) { 7981 links[0].onClick(this); 7982 handled = true; 7983 } 7984 } 7985 7986 if (touchIsFinished && (isTextEditable() || textIsSelectable)) { 7987 // Show the IME, except when selecting in read-only text. 7988 final InputMethodManager imm = InputMethodManager.peekInstance(); 7989 viewClicked(imm); 7990 if (!textIsSelectable && mEditor.mShowSoftInputOnFocus) { 7991 handled |= imm != null && imm.showSoftInput(this, 0); 7992 } 7993 7994 // The above condition ensures that the mEditor is not null 7995 mEditor.onTouchUpEvent(event); 7996 7997 handled = true; 7998 } 7999 8000 if (handled) { 8001 return true; 8002 } 8003 } 8004 8005 return superResult; 8006 } 8007 8008 @Override 8009 public boolean onGenericMotionEvent(MotionEvent event) { 8010 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 8011 try { 8012 if (mMovement.onGenericMotionEvent(this, (Spannable) mText, event)) { 8013 return true; 8014 } 8015 } catch (AbstractMethodError ex) { 8016 // onGenericMotionEvent was added to the MovementMethod interface in API 12. 8017 // Ignore its absence in case third party applications implemented the 8018 // interface directly. 8019 } 8020 } 8021 return super.onGenericMotionEvent(event); 8022 } 8023 8024 /** 8025 * @return True iff this TextView contains a text that can be edited, or if this is 8026 * a selectable TextView. 8027 */ 8028 boolean isTextEditable() { 8029 return mText instanceof Editable && onCheckIsTextEditor() && isEnabled(); 8030 } 8031 8032 /** 8033 * Returns true, only while processing a touch gesture, if the initial 8034 * touch down event caused focus to move to the text view and as a result 8035 * its selection changed. Only valid while processing the touch gesture 8036 * of interest, in an editable text view. 8037 */ 8038 public boolean didTouchFocusSelect() { 8039 return mEditor != null && mEditor.mTouchFocusSelected; 8040 } 8041 8042 @Override 8043 public void cancelLongPress() { 8044 super.cancelLongPress(); 8045 if (mEditor != null) mEditor.mIgnoreActionUpEvent = true; 8046 } 8047 8048 @Override 8049 public boolean onTrackballEvent(MotionEvent event) { 8050 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 8051 if (mMovement.onTrackballEvent(this, (Spannable) mText, event)) { 8052 return true; 8053 } 8054 } 8055 8056 return super.onTrackballEvent(event); 8057 } 8058 8059 public void setScroller(Scroller s) { 8060 mScroller = s; 8061 } 8062 8063 @Override 8064 protected float getLeftFadingEdgeStrength() { 8065 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 8066 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 8067 if (mMarquee != null && !mMarquee.isStopped()) { 8068 final Marquee marquee = mMarquee; 8069 if (marquee.shouldDrawLeftFade()) { 8070 final float scroll = marquee.getScroll(); 8071 return scroll / getHorizontalFadingEdgeLength(); 8072 } else { 8073 return 0.0f; 8074 } 8075 } else if (getLineCount() == 1) { 8076 final int layoutDirection = getLayoutDirection(); 8077 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 8078 switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 8079 case Gravity.LEFT: 8080 return 0.0f; 8081 case Gravity.RIGHT: 8082 return (mLayout.getLineRight(0) - (mRight - mLeft) - 8083 getCompoundPaddingLeft() - getCompoundPaddingRight() - 8084 mLayout.getLineLeft(0)) / getHorizontalFadingEdgeLength(); 8085 case Gravity.CENTER_HORIZONTAL: 8086 case Gravity.FILL_HORIZONTAL: 8087 final int textDirection = mLayout.getParagraphDirection(0); 8088 if (textDirection == Layout.DIR_LEFT_TO_RIGHT) { 8089 return 0.0f; 8090 } else { 8091 return (mLayout.getLineRight(0) - (mRight - mLeft) - 8092 getCompoundPaddingLeft() - getCompoundPaddingRight() - 8093 mLayout.getLineLeft(0)) / getHorizontalFadingEdgeLength(); 8094 } 8095 } 8096 } 8097 } 8098 return super.getLeftFadingEdgeStrength(); 8099 } 8100 8101 @Override 8102 protected float getRightFadingEdgeStrength() { 8103 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 8104 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 8105 if (mMarquee != null && !mMarquee.isStopped()) { 8106 final Marquee marquee = mMarquee; 8107 final float maxFadeScroll = marquee.getMaxFadeScroll(); 8108 final float scroll = marquee.getScroll(); 8109 return (maxFadeScroll - scroll) / getHorizontalFadingEdgeLength(); 8110 } else if (getLineCount() == 1) { 8111 final int layoutDirection = getLayoutDirection(); 8112 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 8113 switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 8114 case Gravity.LEFT: 8115 final int textWidth = (mRight - mLeft) - getCompoundPaddingLeft() - 8116 getCompoundPaddingRight(); 8117 final float lineWidth = mLayout.getLineWidth(0); 8118 return (lineWidth - textWidth) / getHorizontalFadingEdgeLength(); 8119 case Gravity.RIGHT: 8120 return 0.0f; 8121 case Gravity.CENTER_HORIZONTAL: 8122 case Gravity.FILL_HORIZONTAL: 8123 final int textDirection = mLayout.getParagraphDirection(0); 8124 if (textDirection == Layout.DIR_RIGHT_TO_LEFT) { 8125 return 0.0f; 8126 } else { 8127 return (mLayout.getLineWidth(0) - ((mRight - mLeft) - 8128 getCompoundPaddingLeft() - getCompoundPaddingRight())) / 8129 getHorizontalFadingEdgeLength(); 8130 } 8131 } 8132 } 8133 } 8134 return super.getRightFadingEdgeStrength(); 8135 } 8136 8137 @Override 8138 protected int computeHorizontalScrollRange() { 8139 if (mLayout != null) { 8140 return mSingleLine && (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.LEFT ? 8141 (int) mLayout.getLineWidth(0) : mLayout.getWidth(); 8142 } 8143 8144 return super.computeHorizontalScrollRange(); 8145 } 8146 8147 @Override 8148 protected int computeVerticalScrollRange() { 8149 if (mLayout != null) 8150 return mLayout.getHeight(); 8151 8152 return super.computeVerticalScrollRange(); 8153 } 8154 8155 @Override 8156 protected int computeVerticalScrollExtent() { 8157 return getHeight() - getCompoundPaddingTop() - getCompoundPaddingBottom(); 8158 } 8159 8160 @Override 8161 public void findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags) { 8162 super.findViewsWithText(outViews, searched, flags); 8163 if (!outViews.contains(this) && (flags & FIND_VIEWS_WITH_TEXT) != 0 8164 && !TextUtils.isEmpty(searched) && !TextUtils.isEmpty(mText)) { 8165 String searchedLowerCase = searched.toString().toLowerCase(); 8166 String textLowerCase = mText.toString().toLowerCase(); 8167 if (textLowerCase.contains(searchedLowerCase)) { 8168 outViews.add(this); 8169 } 8170 } 8171 } 8172 8173 public enum BufferType { 8174 NORMAL, SPANNABLE, EDITABLE, 8175 } 8176 8177 /** 8178 * Returns the TextView_textColor attribute from the TypedArray, if set, or 8179 * the TextAppearance_textColor from the TextView_textAppearance attribute, 8180 * if TextView_textColor was not set directly. 8181 * 8182 * @removed 8183 */ 8184 public static ColorStateList getTextColors(Context context, TypedArray attrs) { 8185 if (attrs == null) { 8186 // Preserve behavior prior to removal of this API. 8187 throw new NullPointerException(); 8188 } 8189 8190 // It's not safe to use this method from apps. The parameter 'attrs' 8191 // must have been obtained using the TextView filter array which is not 8192 // available to the SDK. As such, we grab a default TypedArray with the 8193 // right filter instead here. 8194 final TypedArray a = context.obtainStyledAttributes(R.styleable.TextView); 8195 ColorStateList colors = a.getColorStateList(R.styleable.TextView_textColor); 8196 if (colors == null) { 8197 final int ap = a.getResourceId(R.styleable.TextView_textAppearance, 0); 8198 if (ap != 0) { 8199 final TypedArray appearance = context.obtainStyledAttributes( 8200 ap, R.styleable.TextAppearance); 8201 colors = appearance.getColorStateList(R.styleable.TextAppearance_textColor); 8202 appearance.recycle(); 8203 } 8204 } 8205 a.recycle(); 8206 8207 return colors; 8208 } 8209 8210 /** 8211 * Returns the default color from the TextView_textColor attribute from the 8212 * AttributeSet, if set, or the default color from the 8213 * TextAppearance_textColor from the TextView_textAppearance attribute, if 8214 * TextView_textColor was not set directly. 8215 * 8216 * @removed 8217 */ 8218 public static int getTextColor(Context context, TypedArray attrs, int def) { 8219 final ColorStateList colors = getTextColors(context, attrs); 8220 if (colors == null) { 8221 return def; 8222 } else { 8223 return colors.getDefaultColor(); 8224 } 8225 } 8226 8227 @Override 8228 public boolean onKeyShortcut(int keyCode, KeyEvent event) { 8229 final int filteredMetaState = event.getMetaState() & ~KeyEvent.META_CTRL_MASK; 8230 if (KeyEvent.metaStateHasNoModifiers(filteredMetaState)) { 8231 switch (keyCode) { 8232 case KeyEvent.KEYCODE_A: 8233 if (canSelectText()) { 8234 return onTextContextMenuItem(ID_SELECT_ALL); 8235 } 8236 break; 8237 case KeyEvent.KEYCODE_X: 8238 if (canCut()) { 8239 return onTextContextMenuItem(ID_CUT); 8240 } 8241 break; 8242 case KeyEvent.KEYCODE_C: 8243 if (canCopy()) { 8244 return onTextContextMenuItem(ID_COPY); 8245 } 8246 break; 8247 case KeyEvent.KEYCODE_V: 8248 if (canPaste()) { 8249 return onTextContextMenuItem(ID_PASTE); 8250 } 8251 break; 8252 } 8253 } 8254 return super.onKeyShortcut(keyCode, event); 8255 } 8256 8257 /** 8258 * Unlike {@link #textCanBeSelected()}, this method is based on the <i>current</i> state of the 8259 * TextView. {@link #textCanBeSelected()} has to be true (this is one of the conditions to have 8260 * a selection controller (see {@link Editor#prepareCursorControllers()}), but this is not 8261 * sufficient. 8262 */ 8263 private boolean canSelectText() { 8264 return mText.length() != 0 && mEditor != null && mEditor.hasSelectionController(); 8265 } 8266 8267 /** 8268 * Test based on the <i>intrinsic</i> charateristics of the TextView. 8269 * The text must be spannable and the movement method must allow for arbitary selection. 8270 * 8271 * See also {@link #canSelectText()}. 8272 */ 8273 boolean textCanBeSelected() { 8274 // prepareCursorController() relies on this method. 8275 // If you change this condition, make sure prepareCursorController is called anywhere 8276 // the value of this condition might be changed. 8277 if (mMovement == null || !mMovement.canSelectArbitrarily()) return false; 8278 return isTextEditable() || 8279 (isTextSelectable() && mText instanceof Spannable && isEnabled()); 8280 } 8281 8282 private Locale getTextServicesLocale(boolean allowNullLocale) { 8283 // Start fetching the text services locale asynchronously. 8284 updateTextServicesLocaleAsync(); 8285 // If !allowNullLocale and there is no cached text services locale, just return the default 8286 // locale. 8287 return (mCurrentSpellCheckerLocaleCache == null && !allowNullLocale) ? Locale.getDefault() 8288 : mCurrentSpellCheckerLocaleCache; 8289 } 8290 8291 /** 8292 * This is a temporary method. Future versions may support multi-locale text. 8293 * Caveat: This method may not return the latest text services locale, but this should be 8294 * acceptable and it's more important to make this method asynchronous. 8295 * 8296 * @return The locale that should be used for a word iterator 8297 * in this TextView, based on the current spell checker settings, 8298 * the current IME's locale, or the system default locale. 8299 * Please note that a word iterator in this TextView is different from another word iterator 8300 * used by SpellChecker.java of TextView. This method should be used for the former. 8301 * @hide 8302 */ 8303 // TODO: Support multi-locale 8304 // TODO: Update the text services locale immediately after the keyboard locale is switched 8305 // by catching intent of keyboard switch event 8306 public Locale getTextServicesLocale() { 8307 return getTextServicesLocale(false /* allowNullLocale */); 8308 } 8309 8310 /** 8311 * This is a temporary method. Future versions may support multi-locale text. 8312 * Caveat: This method may not return the latest spell checker locale, but this should be 8313 * acceptable and it's more important to make this method asynchronous. 8314 * 8315 * @return The locale that should be used for a spell checker in this TextView, 8316 * based on the current spell checker settings, the current IME's locale, or the system default 8317 * locale. 8318 * @hide 8319 */ 8320 public Locale getSpellCheckerLocale() { 8321 return getTextServicesLocale(true /* allowNullLocale */); 8322 } 8323 8324 private void updateTextServicesLocaleAsync() { 8325 // AsyncTask.execute() uses a serial executor which means we don't have 8326 // to lock around updateTextServicesLocaleLocked() to prevent it from 8327 // being executed n times in parallel. 8328 AsyncTask.execute(new Runnable() { 8329 @Override 8330 public void run() { 8331 updateTextServicesLocaleLocked(); 8332 } 8333 }); 8334 } 8335 8336 private void updateTextServicesLocaleLocked() { 8337 final TextServicesManager textServicesManager = (TextServicesManager) 8338 mContext.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE); 8339 final SpellCheckerSubtype subtype = textServicesManager.getCurrentSpellCheckerSubtype(true); 8340 final Locale locale; 8341 if (subtype != null) { 8342 locale = SpellCheckerSubtype.constructLocaleFromString(subtype.getLocale()); 8343 } else { 8344 locale = null; 8345 } 8346 mCurrentSpellCheckerLocaleCache = locale; 8347 } 8348 8349 void onLocaleChanged() { 8350 // Will be re-created on demand in getWordIterator with the proper new locale 8351 mEditor.mWordIterator = null; 8352 } 8353 8354 /** 8355 * This method is used by the ArrowKeyMovementMethod to jump from one word to the other. 8356 * Made available to achieve a consistent behavior. 8357 * @hide 8358 */ 8359 public WordIterator getWordIterator() { 8360 if (mEditor != null) { 8361 return mEditor.getWordIterator(); 8362 } else { 8363 return null; 8364 } 8365 } 8366 8367 @Override 8368 public void onPopulateAccessibilityEvent(AccessibilityEvent event) { 8369 super.onPopulateAccessibilityEvent(event); 8370 8371 final boolean isPassword = hasPasswordTransformationMethod(); 8372 if (!isPassword || shouldSpeakPasswordsForAccessibility()) { 8373 final CharSequence text = getTextForAccessibility(); 8374 if (!TextUtils.isEmpty(text)) { 8375 event.getText().add(text); 8376 } 8377 } 8378 } 8379 8380 /** 8381 * @return true if the user has explicitly allowed accessibility services 8382 * to speak passwords. 8383 */ 8384 private boolean shouldSpeakPasswordsForAccessibility() { 8385 return (Settings.Secure.getInt(mContext.getContentResolver(), 8386 Settings.Secure.ACCESSIBILITY_SPEAK_PASSWORD, 0) == 1); 8387 } 8388 8389 @Override 8390 public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 8391 super.onInitializeAccessibilityEvent(event); 8392 8393 event.setClassName(TextView.class.getName()); 8394 final boolean isPassword = hasPasswordTransformationMethod(); 8395 event.setPassword(isPassword); 8396 8397 if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED) { 8398 event.setFromIndex(Selection.getSelectionStart(mText)); 8399 event.setToIndex(Selection.getSelectionEnd(mText)); 8400 event.setItemCount(mText.length()); 8401 } 8402 } 8403 8404 @Override 8405 public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 8406 super.onInitializeAccessibilityNodeInfo(info); 8407 8408 info.setClassName(TextView.class.getName()); 8409 final boolean isPassword = hasPasswordTransformationMethod(); 8410 info.setPassword(isPassword); 8411 8412 if (!isPassword || shouldSpeakPasswordsForAccessibility()) { 8413 info.setText(getTextForAccessibility()); 8414 } 8415 8416 if (mBufferType == BufferType.EDITABLE) { 8417 info.setEditable(true); 8418 } 8419 8420 if (mEditor != null) { 8421 info.setInputType(mEditor.mInputType); 8422 8423 if (mEditor.mError != null) { 8424 info.setContentInvalid(true); 8425 info.setError(mEditor.mError); 8426 } 8427 } 8428 8429 if (!TextUtils.isEmpty(mText)) { 8430 info.addAction(AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY); 8431 info.addAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY); 8432 info.setMovementGranularities(AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER 8433 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD 8434 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE 8435 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PARAGRAPH 8436 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE); 8437 } 8438 8439 if (isFocused()) { 8440 if (canSelectText()) { 8441 info.addAction(AccessibilityNodeInfo.ACTION_SET_SELECTION); 8442 } 8443 if (canCopy()) { 8444 info.addAction(AccessibilityNodeInfo.ACTION_COPY); 8445 } 8446 if (canPaste()) { 8447 info.addAction(AccessibilityNodeInfo.ACTION_PASTE); 8448 } 8449 if (canCut()) { 8450 info.addAction(AccessibilityNodeInfo.ACTION_CUT); 8451 } 8452 } 8453 8454 // Check for known input filter types. 8455 final int numFilters = mFilters.length; 8456 for (int i = 0; i < numFilters; i++) { 8457 final InputFilter filter = mFilters[i]; 8458 if (filter instanceof InputFilter.LengthFilter) { 8459 info.setMaxTextLength(((InputFilter.LengthFilter) filter).getMax()); 8460 } 8461 } 8462 8463 if (!isSingleLine()) { 8464 info.setMultiLine(true); 8465 } 8466 } 8467 8468 @Override 8469 public boolean performAccessibilityAction(int action, Bundle arguments) { 8470 switch (action) { 8471 case AccessibilityNodeInfo.ACTION_CLICK: { 8472 boolean handled = false; 8473 8474 // Simulate View.onTouchEvent for an ACTION_UP event. 8475 if (isClickable() || isLongClickable()) { 8476 if (isFocusable() && !isFocused()) { 8477 requestFocus(); 8478 } 8479 8480 performClick(); 8481 handled = true; 8482 } 8483 8484 // Simulate TextView.onTouchEvent for an ACTION_UP event. 8485 if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() 8486 && mText instanceof Spannable && mLayout != null 8487 && (isTextEditable() || isTextSelectable()) && isFocused()) { 8488 // Show the IME, except when selecting in read-only text. 8489 final InputMethodManager imm = InputMethodManager.peekInstance(); 8490 viewClicked(imm); 8491 if (!isTextSelectable() && mEditor.mShowSoftInputOnFocus && imm != null) { 8492 handled |= imm.showSoftInput(this, 0); 8493 } 8494 } 8495 8496 return handled; 8497 } 8498 case AccessibilityNodeInfo.ACTION_COPY: { 8499 if (isFocused() && canCopy()) { 8500 if (onTextContextMenuItem(ID_COPY)) { 8501 return true; 8502 } 8503 } 8504 } return false; 8505 case AccessibilityNodeInfo.ACTION_PASTE: { 8506 if (isFocused() && canPaste()) { 8507 if (onTextContextMenuItem(ID_PASTE)) { 8508 return true; 8509 } 8510 } 8511 } return false; 8512 case AccessibilityNodeInfo.ACTION_CUT: { 8513 if (isFocused() && canCut()) { 8514 if (onTextContextMenuItem(ID_CUT)) { 8515 return true; 8516 } 8517 } 8518 } return false; 8519 case AccessibilityNodeInfo.ACTION_SET_SELECTION: { 8520 if (isFocused() && canSelectText()) { 8521 CharSequence text = getIterableTextForAccessibility(); 8522 if (text == null) { 8523 return false; 8524 } 8525 final int start = (arguments != null) ? arguments.getInt( 8526 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_START_INT, -1) : -1; 8527 final int end = (arguments != null) ? arguments.getInt( 8528 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_END_INT, -1) : -1; 8529 if ((getSelectionStart() != start || getSelectionEnd() != end)) { 8530 // No arguments clears the selection. 8531 if (start == end && end == -1) { 8532 Selection.removeSelection((Spannable) text); 8533 return true; 8534 } 8535 if (start >= 0 && start <= end && end <= text.length()) { 8536 Selection.setSelection((Spannable) text, start, end); 8537 // Make sure selection mode is engaged. 8538 if (mEditor != null) { 8539 mEditor.startSelectionActionMode(); 8540 } 8541 return true; 8542 } 8543 } 8544 } 8545 } return false; 8546 default: { 8547 return super.performAccessibilityAction(action, arguments); 8548 } 8549 } 8550 } 8551 8552 @Override 8553 public void sendAccessibilityEvent(int eventType) { 8554 // Do not send scroll events since first they are not interesting for 8555 // accessibility and second such events a generated too frequently. 8556 // For details see the implementation of bringTextIntoView(). 8557 if (eventType == AccessibilityEvent.TYPE_VIEW_SCROLLED) { 8558 return; 8559 } 8560 super.sendAccessibilityEvent(eventType); 8561 } 8562 8563 /** 8564 * Gets the text reported for accessibility purposes. 8565 * 8566 * @return The accessibility text. 8567 * 8568 * @hide 8569 */ 8570 public CharSequence getTextForAccessibility() { 8571 CharSequence text = getText(); 8572 if (TextUtils.isEmpty(text)) { 8573 text = getHint(); 8574 } 8575 return text; 8576 } 8577 8578 void sendAccessibilityEventTypeViewTextChanged(CharSequence beforeText, 8579 int fromIndex, int removedCount, int addedCount) { 8580 AccessibilityEvent event = 8581 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED); 8582 event.setFromIndex(fromIndex); 8583 event.setRemovedCount(removedCount); 8584 event.setAddedCount(addedCount); 8585 event.setBeforeText(beforeText); 8586 sendAccessibilityEventUnchecked(event); 8587 } 8588 8589 /** 8590 * Returns whether this text view is a current input method target. The 8591 * default implementation just checks with {@link InputMethodManager}. 8592 */ 8593 public boolean isInputMethodTarget() { 8594 InputMethodManager imm = InputMethodManager.peekInstance(); 8595 return imm != null && imm.isActive(this); 8596 } 8597 8598 static final int ID_SELECT_ALL = android.R.id.selectAll; 8599 static final int ID_CUT = android.R.id.cut; 8600 static final int ID_COPY = android.R.id.copy; 8601 static final int ID_PASTE = android.R.id.paste; 8602 8603 /** 8604 * Called when a context menu option for the text view is selected. Currently 8605 * this will be one of {@link android.R.id#selectAll}, {@link android.R.id#cut}, 8606 * {@link android.R.id#copy} or {@link android.R.id#paste}. 8607 * 8608 * @return true if the context menu item action was performed. 8609 */ 8610 public boolean onTextContextMenuItem(int id) { 8611 int min = 0; 8612 int max = mText.length(); 8613 8614 if (isFocused()) { 8615 final int selStart = getSelectionStart(); 8616 final int selEnd = getSelectionEnd(); 8617 8618 min = Math.max(0, Math.min(selStart, selEnd)); 8619 max = Math.max(0, Math.max(selStart, selEnd)); 8620 } 8621 8622 switch (id) { 8623 case ID_SELECT_ALL: 8624 // This does not enter text selection mode. Text is highlighted, so that it can be 8625 // bulk edited, like selectAllOnFocus does. Returns true even if text is empty. 8626 selectAllText(); 8627 return true; 8628 8629 case ID_PASTE: 8630 paste(min, max); 8631 return true; 8632 8633 case ID_CUT: 8634 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 8635 deleteText_internal(min, max); 8636 stopSelectionActionMode(); 8637 return true; 8638 8639 case ID_COPY: 8640 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 8641 stopSelectionActionMode(); 8642 return true; 8643 } 8644 return false; 8645 } 8646 8647 CharSequence getTransformedText(int start, int end) { 8648 return removeSuggestionSpans(mTransformed.subSequence(start, end)); 8649 } 8650 8651 @Override 8652 public boolean performLongClick() { 8653 boolean handled = false; 8654 8655 if (super.performLongClick()) { 8656 handled = true; 8657 } 8658 8659 if (mEditor != null) { 8660 handled |= mEditor.performLongClick(handled); 8661 } 8662 8663 if (handled) { 8664 performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 8665 if (mEditor != null) mEditor.mDiscardNextActionUp = true; 8666 } 8667 8668 return handled; 8669 } 8670 8671 @Override 8672 protected void onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert) { 8673 super.onScrollChanged(horiz, vert, oldHoriz, oldVert); 8674 if (mEditor != null) { 8675 mEditor.onScrollChanged(); 8676 } 8677 } 8678 8679 /** 8680 * Return whether or not suggestions are enabled on this TextView. The suggestions are generated 8681 * by the IME or by the spell checker as the user types. This is done by adding 8682 * {@link SuggestionSpan}s to the text. 8683 * 8684 * When suggestions are enabled (default), this list of suggestions will be displayed when the 8685 * user asks for them on these parts of the text. This value depends on the inputType of this 8686 * TextView. 8687 * 8688 * The class of the input type must be {@link InputType#TYPE_CLASS_TEXT}. 8689 * 8690 * In addition, the type variation must be one of 8691 * {@link InputType#TYPE_TEXT_VARIATION_NORMAL}, 8692 * {@link InputType#TYPE_TEXT_VARIATION_EMAIL_SUBJECT}, 8693 * {@link InputType#TYPE_TEXT_VARIATION_LONG_MESSAGE}, 8694 * {@link InputType#TYPE_TEXT_VARIATION_SHORT_MESSAGE} or 8695 * {@link InputType#TYPE_TEXT_VARIATION_WEB_EDIT_TEXT}. 8696 * 8697 * And finally, the {@link InputType#TYPE_TEXT_FLAG_NO_SUGGESTIONS} flag must <i>not</i> be set. 8698 * 8699 * @return true if the suggestions popup window is enabled, based on the inputType. 8700 */ 8701 public boolean isSuggestionsEnabled() { 8702 if (mEditor == null) return false; 8703 if ((mEditor.mInputType & InputType.TYPE_MASK_CLASS) != InputType.TYPE_CLASS_TEXT) { 8704 return false; 8705 } 8706 if ((mEditor.mInputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) > 0) return false; 8707 8708 final int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 8709 return (variation == EditorInfo.TYPE_TEXT_VARIATION_NORMAL || 8710 variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT || 8711 variation == EditorInfo.TYPE_TEXT_VARIATION_LONG_MESSAGE || 8712 variation == EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE || 8713 variation == EditorInfo.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT); 8714 } 8715 8716 /** 8717 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 8718 * selection is initiated in this View. 8719 * 8720 * The standard implementation populates the menu with a subset of Select All, Cut, Copy and 8721 * Paste actions, depending on what this View supports. 8722 * 8723 * A custom implementation can add new entries in the default menu in its 8724 * {@link android.view.ActionMode.Callback#onPrepareActionMode(ActionMode, Menu)} method. The 8725 * default actions can also be removed from the menu using {@link Menu#removeItem(int)} and 8726 * passing {@link android.R.id#selectAll}, {@link android.R.id#cut}, {@link android.R.id#copy} 8727 * or {@link android.R.id#paste} ids as parameters. 8728 * 8729 * Returning false from 8730 * {@link android.view.ActionMode.Callback#onCreateActionMode(ActionMode, Menu)} will prevent 8731 * the action mode from being started. 8732 * 8733 * Action click events should be handled by the custom implementation of 8734 * {@link android.view.ActionMode.Callback#onActionItemClicked(ActionMode, MenuItem)}. 8735 * 8736 * Note that text selection mode is not started when a TextView receives focus and the 8737 * {@link android.R.attr#selectAllOnFocus} flag has been set. The content is highlighted in 8738 * that case, to allow for quick replacement. 8739 */ 8740 public void setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback) { 8741 createEditorIfNeeded(); 8742 mEditor.mCustomSelectionActionModeCallback = actionModeCallback; 8743 } 8744 8745 /** 8746 * Retrieves the value set in {@link #setCustomSelectionActionModeCallback}. Default is null. 8747 * 8748 * @return The current custom selection callback. 8749 */ 8750 public ActionMode.Callback getCustomSelectionActionModeCallback() { 8751 return mEditor == null ? null : mEditor.mCustomSelectionActionModeCallback; 8752 } 8753 8754 /** 8755 * @hide 8756 */ 8757 protected void stopSelectionActionMode() { 8758 mEditor.stopSelectionActionMode(); 8759 } 8760 8761 boolean canCut() { 8762 if (hasPasswordTransformationMethod()) { 8763 return false; 8764 } 8765 8766 if (mText.length() > 0 && hasSelection() && mText instanceof Editable && mEditor != null && 8767 mEditor.mKeyListener != null) { 8768 return true; 8769 } 8770 8771 return false; 8772 } 8773 8774 boolean canCopy() { 8775 if (hasPasswordTransformationMethod()) { 8776 return false; 8777 } 8778 8779 if (mText.length() > 0 && hasSelection() && mEditor != null) { 8780 return true; 8781 } 8782 8783 return false; 8784 } 8785 8786 boolean canPaste() { 8787 return (mText instanceof Editable && 8788 mEditor != null && mEditor.mKeyListener != null && 8789 getSelectionStart() >= 0 && 8790 getSelectionEnd() >= 0 && 8791 ((ClipboardManager)getContext().getSystemService(Context.CLIPBOARD_SERVICE)). 8792 hasPrimaryClip()); 8793 } 8794 8795 boolean selectAllText() { 8796 final int length = mText.length(); 8797 Selection.setSelection((Spannable) mText, 0, length); 8798 return length > 0; 8799 } 8800 8801 /** 8802 * Paste clipboard content between min and max positions. 8803 */ 8804 private void paste(int min, int max) { 8805 ClipboardManager clipboard = 8806 (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE); 8807 ClipData clip = clipboard.getPrimaryClip(); 8808 if (clip != null) { 8809 boolean didFirst = false; 8810 for (int i=0; i<clip.getItemCount(); i++) { 8811 CharSequence paste = clip.getItemAt(i).coerceToStyledText(getContext()); 8812 if (paste != null) { 8813 if (!didFirst) { 8814 Selection.setSelection((Spannable) mText, max); 8815 ((Editable) mText).replace(min, max, paste); 8816 didFirst = true; 8817 } else { 8818 ((Editable) mText).insert(getSelectionEnd(), "\n"); 8819 ((Editable) mText).insert(getSelectionEnd(), paste); 8820 } 8821 } 8822 } 8823 stopSelectionActionMode(); 8824 LAST_CUT_OR_COPY_TIME = 0; 8825 } 8826 } 8827 8828 private void setPrimaryClip(ClipData clip) { 8829 ClipboardManager clipboard = (ClipboardManager) getContext(). 8830 getSystemService(Context.CLIPBOARD_SERVICE); 8831 clipboard.setPrimaryClip(clip); 8832 LAST_CUT_OR_COPY_TIME = SystemClock.uptimeMillis(); 8833 } 8834 8835 /** 8836 * Get the character offset closest to the specified absolute position. A typical use case is to 8837 * pass the result of {@link MotionEvent#getX()} and {@link MotionEvent#getY()} to this method. 8838 * 8839 * @param x The horizontal absolute position of a point on screen 8840 * @param y The vertical absolute position of a point on screen 8841 * @return the character offset for the character whose position is closest to the specified 8842 * position. Returns -1 if there is no layout. 8843 */ 8844 public int getOffsetForPosition(float x, float y) { 8845 if (getLayout() == null) return -1; 8846 final int line = getLineAtCoordinate(y); 8847 final int offset = getOffsetAtCoordinate(line, x); 8848 return offset; 8849 } 8850 8851 float convertToLocalHorizontalCoordinate(float x) { 8852 x -= getTotalPaddingLeft(); 8853 // Clamp the position to inside of the view. 8854 x = Math.max(0.0f, x); 8855 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 8856 x += getScrollX(); 8857 return x; 8858 } 8859 8860 int getLineAtCoordinate(float y) { 8861 y -= getTotalPaddingTop(); 8862 // Clamp the position to inside of the view. 8863 y = Math.max(0.0f, y); 8864 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 8865 y += getScrollY(); 8866 return getLayout().getLineForVertical((int) y); 8867 } 8868 8869 private int getOffsetAtCoordinate(int line, float x) { 8870 x = convertToLocalHorizontalCoordinate(x); 8871 return getLayout().getOffsetForHorizontal(line, x); 8872 } 8873 8874 @Override 8875 public boolean onDragEvent(DragEvent event) { 8876 switch (event.getAction()) { 8877 case DragEvent.ACTION_DRAG_STARTED: 8878 return mEditor != null && mEditor.hasInsertionController(); 8879 8880 case DragEvent.ACTION_DRAG_ENTERED: 8881 TextView.this.requestFocus(); 8882 return true; 8883 8884 case DragEvent.ACTION_DRAG_LOCATION: 8885 final int offset = getOffsetForPosition(event.getX(), event.getY()); 8886 Selection.setSelection((Spannable)mText, offset); 8887 return true; 8888 8889 case DragEvent.ACTION_DROP: 8890 if (mEditor != null) mEditor.onDrop(event); 8891 return true; 8892 8893 case DragEvent.ACTION_DRAG_ENDED: 8894 case DragEvent.ACTION_DRAG_EXITED: 8895 default: 8896 return true; 8897 } 8898 } 8899 8900 boolean isInBatchEditMode() { 8901 if (mEditor == null) return false; 8902 final Editor.InputMethodState ims = mEditor.mInputMethodState; 8903 if (ims != null) { 8904 return ims.mBatchEditNesting > 0; 8905 } 8906 return mEditor.mInBatchEditControllers; 8907 } 8908 8909 @Override 8910 public void onRtlPropertiesChanged(int layoutDirection) { 8911 super.onRtlPropertiesChanged(layoutDirection); 8912 8913 mTextDir = getTextDirectionHeuristic(); 8914 8915 if (mLayout != null) { 8916 checkForRelayout(); 8917 } 8918 } 8919 8920 TextDirectionHeuristic getTextDirectionHeuristic() { 8921 if (hasPasswordTransformationMethod()) { 8922 // passwords fields should be LTR 8923 return TextDirectionHeuristics.LTR; 8924 } 8925 8926 // Always need to resolve layout direction first 8927 final boolean defaultIsRtl = (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 8928 8929 // Now, we can select the heuristic 8930 switch (getTextDirection()) { 8931 default: 8932 case TEXT_DIRECTION_FIRST_STRONG: 8933 return (defaultIsRtl ? TextDirectionHeuristics.FIRSTSTRONG_RTL : 8934 TextDirectionHeuristics.FIRSTSTRONG_LTR); 8935 case TEXT_DIRECTION_ANY_RTL: 8936 return TextDirectionHeuristics.ANYRTL_LTR; 8937 case TEXT_DIRECTION_LTR: 8938 return TextDirectionHeuristics.LTR; 8939 case TEXT_DIRECTION_RTL: 8940 return TextDirectionHeuristics.RTL; 8941 case TEXT_DIRECTION_LOCALE: 8942 return TextDirectionHeuristics.LOCALE; 8943 } 8944 } 8945 8946 /** 8947 * @hide 8948 */ 8949 @Override 8950 public void onResolveDrawables(int layoutDirection) { 8951 // No need to resolve twice 8952 if (mLastLayoutDirection == layoutDirection) { 8953 return; 8954 } 8955 mLastLayoutDirection = layoutDirection; 8956 8957 // Resolve drawables 8958 if (mDrawables != null) { 8959 mDrawables.resolveWithLayoutDirection(layoutDirection); 8960 } 8961 } 8962 8963 /** 8964 * @hide 8965 */ 8966 protected void resetResolvedDrawables() { 8967 super.resetResolvedDrawables(); 8968 mLastLayoutDirection = -1; 8969 } 8970 8971 /** 8972 * @hide 8973 */ 8974 protected void viewClicked(InputMethodManager imm) { 8975 if (imm != null) { 8976 imm.viewClicked(this); 8977 } 8978 } 8979 8980 /** 8981 * Deletes the range of text [start, end[. 8982 * @hide 8983 */ 8984 protected void deleteText_internal(int start, int end) { 8985 ((Editable) mText).delete(start, end); 8986 } 8987 8988 /** 8989 * Replaces the range of text [start, end[ by replacement text 8990 * @hide 8991 */ 8992 protected void replaceText_internal(int start, int end, CharSequence text) { 8993 ((Editable) mText).replace(start, end, text); 8994 } 8995 8996 /** 8997 * Sets a span on the specified range of text 8998 * @hide 8999 */ 9000 protected void setSpan_internal(Object span, int start, int end, int flags) { 9001 ((Editable) mText).setSpan(span, start, end, flags); 9002 } 9003 9004 /** 9005 * Moves the cursor to the specified offset position in text 9006 * @hide 9007 */ 9008 protected void setCursorPosition_internal(int start, int end) { 9009 Selection.setSelection(((Editable) mText), start, end); 9010 } 9011 9012 /** 9013 * An Editor should be created as soon as any of the editable-specific fields (grouped 9014 * inside the Editor object) is assigned to a non-default value. 9015 * This method will create the Editor if needed. 9016 * 9017 * A standard TextView (as well as buttons, checkboxes...) should not qualify and hence will 9018 * have a null Editor, unlike an EditText. Inconsistent in-between states will have an 9019 * Editor for backward compatibility, as soon as one of these fields is assigned. 9020 * 9021 * Also note that for performance reasons, the mEditor is created when needed, but not 9022 * reset when no more edit-specific fields are needed. 9023 */ 9024 private void createEditorIfNeeded() { 9025 if (mEditor == null) { 9026 mEditor = new Editor(this); 9027 } 9028 } 9029 9030 /** 9031 * @hide 9032 */ 9033 @Override 9034 public CharSequence getIterableTextForAccessibility() { 9035 if (!(mText instanceof Spannable)) { 9036 setText(mText, BufferType.SPANNABLE); 9037 } 9038 return mText; 9039 } 9040 9041 /** 9042 * @hide 9043 */ 9044 @Override 9045 public TextSegmentIterator getIteratorForGranularity(int granularity) { 9046 switch (granularity) { 9047 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE: { 9048 Spannable text = (Spannable) getIterableTextForAccessibility(); 9049 if (!TextUtils.isEmpty(text) && getLayout() != null) { 9050 AccessibilityIterators.LineTextSegmentIterator iterator = 9051 AccessibilityIterators.LineTextSegmentIterator.getInstance(); 9052 iterator.initialize(text, getLayout()); 9053 return iterator; 9054 } 9055 } break; 9056 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE: { 9057 Spannable text = (Spannable) getIterableTextForAccessibility(); 9058 if (!TextUtils.isEmpty(text) && getLayout() != null) { 9059 AccessibilityIterators.PageTextSegmentIterator iterator = 9060 AccessibilityIterators.PageTextSegmentIterator.getInstance(); 9061 iterator.initialize(this); 9062 return iterator; 9063 } 9064 } break; 9065 } 9066 return super.getIteratorForGranularity(granularity); 9067 } 9068 9069 /** 9070 * @hide 9071 */ 9072 @Override 9073 public int getAccessibilitySelectionStart() { 9074 return getSelectionStart(); 9075 } 9076 9077 /** 9078 * @hide 9079 */ 9080 public boolean isAccessibilitySelectionExtendable() { 9081 return true; 9082 } 9083 9084 /** 9085 * @hide 9086 */ 9087 @Override 9088 public int getAccessibilitySelectionEnd() { 9089 return getSelectionEnd(); 9090 } 9091 9092 /** 9093 * @hide 9094 */ 9095 @Override 9096 public void setAccessibilitySelection(int start, int end) { 9097 if (getAccessibilitySelectionStart() == start 9098 && getAccessibilitySelectionEnd() == end) { 9099 return; 9100 } 9101 // Hide all selection controllers used for adjusting selection 9102 // since we are doing so explicitlty by other means and these 9103 // controllers interact with how selection behaves. 9104 if (mEditor != null) { 9105 mEditor.hideControllers(); 9106 } 9107 CharSequence text = getIterableTextForAccessibility(); 9108 if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) { 9109 Selection.setSelection((Spannable) text, start, end); 9110 } else { 9111 Selection.removeSelection((Spannable) text); 9112 } 9113 } 9114 9115 /** 9116 * User interface state that is stored by TextView for implementing 9117 * {@link View#onSaveInstanceState}. 9118 */ 9119 public static class SavedState extends BaseSavedState { 9120 int selStart; 9121 int selEnd; 9122 CharSequence text; 9123 boolean frozenWithFocus; 9124 CharSequence error; 9125 9126 SavedState(Parcelable superState) { 9127 super(superState); 9128 } 9129 9130 @Override 9131 public void writeToParcel(Parcel out, int flags) { 9132 super.writeToParcel(out, flags); 9133 out.writeInt(selStart); 9134 out.writeInt(selEnd); 9135 out.writeInt(frozenWithFocus ? 1 : 0); 9136 TextUtils.writeToParcel(text, out, flags); 9137 9138 if (error == null) { 9139 out.writeInt(0); 9140 } else { 9141 out.writeInt(1); 9142 TextUtils.writeToParcel(error, out, flags); 9143 } 9144 } 9145 9146 @Override 9147 public String toString() { 9148 String str = "TextView.SavedState{" 9149 + Integer.toHexString(System.identityHashCode(this)) 9150 + " start=" + selStart + " end=" + selEnd; 9151 if (text != null) { 9152 str += " text=" + text; 9153 } 9154 return str + "}"; 9155 } 9156 9157 @SuppressWarnings("hiding") 9158 public static final Parcelable.Creator<SavedState> CREATOR 9159 = new Parcelable.Creator<SavedState>() { 9160 public SavedState createFromParcel(Parcel in) { 9161 return new SavedState(in); 9162 } 9163 9164 public SavedState[] newArray(int size) { 9165 return new SavedState[size]; 9166 } 9167 }; 9168 9169 private SavedState(Parcel in) { 9170 super(in); 9171 selStart = in.readInt(); 9172 selEnd = in.readInt(); 9173 frozenWithFocus = (in.readInt() != 0); 9174 text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 9175 9176 if (in.readInt() != 0) { 9177 error = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 9178 } 9179 } 9180 } 9181 9182 private static class CharWrapper implements CharSequence, GetChars, GraphicsOperations { 9183 private char[] mChars; 9184 private int mStart, mLength; 9185 9186 public CharWrapper(char[] chars, int start, int len) { 9187 mChars = chars; 9188 mStart = start; 9189 mLength = len; 9190 } 9191 9192 /* package */ void set(char[] chars, int start, int len) { 9193 mChars = chars; 9194 mStart = start; 9195 mLength = len; 9196 } 9197 9198 public int length() { 9199 return mLength; 9200 } 9201 9202 public char charAt(int off) { 9203 return mChars[off + mStart]; 9204 } 9205 9206 @Override 9207 public String toString() { 9208 return new String(mChars, mStart, mLength); 9209 } 9210 9211 public CharSequence subSequence(int start, int end) { 9212 if (start < 0 || end < 0 || start > mLength || end > mLength) { 9213 throw new IndexOutOfBoundsException(start + ", " + end); 9214 } 9215 9216 return new String(mChars, start + mStart, end - start); 9217 } 9218 9219 public void getChars(int start, int end, char[] buf, int off) { 9220 if (start < 0 || end < 0 || start > mLength || end > mLength) { 9221 throw new IndexOutOfBoundsException(start + ", " + end); 9222 } 9223 9224 System.arraycopy(mChars, start + mStart, buf, off, end - start); 9225 } 9226 9227 public void drawText(Canvas c, int start, int end, 9228 float x, float y, Paint p) { 9229 c.drawText(mChars, start + mStart, end - start, x, y, p); 9230 } 9231 9232 public void drawTextRun(Canvas c, int start, int end, 9233 int contextStart, int contextEnd, float x, float y, boolean isRtl, Paint p) { 9234 int count = end - start; 9235 int contextCount = contextEnd - contextStart; 9236 c.drawTextRun(mChars, start + mStart, count, contextStart + mStart, 9237 contextCount, x, y, isRtl, p); 9238 } 9239 9240 public float measureText(int start, int end, Paint p) { 9241 return p.measureText(mChars, start + mStart, end - start); 9242 } 9243 9244 public int getTextWidths(int start, int end, float[] widths, Paint p) { 9245 return p.getTextWidths(mChars, start + mStart, end - start, widths); 9246 } 9247 9248 public float getTextRunAdvances(int start, int end, int contextStart, 9249 int contextEnd, boolean isRtl, float[] advances, int advancesIndex, 9250 Paint p) { 9251 int count = end - start; 9252 int contextCount = contextEnd - contextStart; 9253 return p.getTextRunAdvances(mChars, start + mStart, count, 9254 contextStart + mStart, contextCount, isRtl, advances, 9255 advancesIndex); 9256 } 9257 9258 public int getTextRunCursor(int contextStart, int contextEnd, int dir, 9259 int offset, int cursorOpt, Paint p) { 9260 int contextCount = contextEnd - contextStart; 9261 return p.getTextRunCursor(mChars, contextStart + mStart, 9262 contextCount, dir, offset + mStart, cursorOpt); 9263 } 9264 } 9265 9266 private static final class Marquee { 9267 // TODO: Add an option to configure this 9268 private static final float MARQUEE_DELTA_MAX = 0.07f; 9269 private static final int MARQUEE_DELAY = 1200; 9270 private static final int MARQUEE_RESTART_DELAY = 1200; 9271 private static final int MARQUEE_DP_PER_SECOND = 30; 9272 9273 private static final byte MARQUEE_STOPPED = 0x0; 9274 private static final byte MARQUEE_STARTING = 0x1; 9275 private static final byte MARQUEE_RUNNING = 0x2; 9276 9277 private final WeakReference<TextView> mView; 9278 private final Choreographer mChoreographer; 9279 9280 private byte mStatus = MARQUEE_STOPPED; 9281 private final float mPixelsPerSecond; 9282 private float mMaxScroll; 9283 private float mMaxFadeScroll; 9284 private float mGhostStart; 9285 private float mGhostOffset; 9286 private float mFadeStop; 9287 private int mRepeatLimit; 9288 9289 private float mScroll; 9290 private long mLastAnimationMs; 9291 9292 Marquee(TextView v) { 9293 final float density = v.getContext().getResources().getDisplayMetrics().density; 9294 mPixelsPerSecond = MARQUEE_DP_PER_SECOND * density; 9295 mView = new WeakReference<TextView>(v); 9296 mChoreographer = Choreographer.getInstance(); 9297 } 9298 9299 private Choreographer.FrameCallback mTickCallback = new Choreographer.FrameCallback() { 9300 @Override 9301 public void doFrame(long frameTimeNanos) { 9302 tick(); 9303 } 9304 }; 9305 9306 private Choreographer.FrameCallback mStartCallback = new Choreographer.FrameCallback() { 9307 @Override 9308 public void doFrame(long frameTimeNanos) { 9309 mStatus = MARQUEE_RUNNING; 9310 mLastAnimationMs = mChoreographer.getFrameTime(); 9311 tick(); 9312 } 9313 }; 9314 9315 private Choreographer.FrameCallback mRestartCallback = new Choreographer.FrameCallback() { 9316 @Override 9317 public void doFrame(long frameTimeNanos) { 9318 if (mStatus == MARQUEE_RUNNING) { 9319 if (mRepeatLimit >= 0) { 9320 mRepeatLimit--; 9321 } 9322 start(mRepeatLimit); 9323 } 9324 } 9325 }; 9326 9327 void tick() { 9328 if (mStatus != MARQUEE_RUNNING) { 9329 return; 9330 } 9331 9332 mChoreographer.removeFrameCallback(mTickCallback); 9333 9334 final TextView textView = mView.get(); 9335 if (textView != null && (textView.isFocused() || textView.isSelected())) { 9336 long currentMs = mChoreographer.getFrameTime(); 9337 long deltaMs = currentMs - mLastAnimationMs; 9338 mLastAnimationMs = currentMs; 9339 float deltaPx = deltaMs / 1000f * mPixelsPerSecond; 9340 mScroll += deltaPx; 9341 if (mScroll > mMaxScroll) { 9342 mScroll = mMaxScroll; 9343 mChoreographer.postFrameCallbackDelayed(mRestartCallback, MARQUEE_DELAY); 9344 } else { 9345 mChoreographer.postFrameCallback(mTickCallback); 9346 } 9347 textView.invalidate(); 9348 } 9349 } 9350 9351 void stop() { 9352 mStatus = MARQUEE_STOPPED; 9353 mChoreographer.removeFrameCallback(mStartCallback); 9354 mChoreographer.removeFrameCallback(mRestartCallback); 9355 mChoreographer.removeFrameCallback(mTickCallback); 9356 resetScroll(); 9357 } 9358 9359 private void resetScroll() { 9360 mScroll = 0.0f; 9361 final TextView textView = mView.get(); 9362 if (textView != null) textView.invalidate(); 9363 } 9364 9365 void start(int repeatLimit) { 9366 if (repeatLimit == 0) { 9367 stop(); 9368 return; 9369 } 9370 mRepeatLimit = repeatLimit; 9371 final TextView textView = mView.get(); 9372 if (textView != null && textView.mLayout != null) { 9373 mStatus = MARQUEE_STARTING; 9374 mScroll = 0.0f; 9375 final int textWidth = textView.getWidth() - textView.getCompoundPaddingLeft() - 9376 textView.getCompoundPaddingRight(); 9377 final float lineWidth = textView.mLayout.getLineWidth(0); 9378 final float gap = textWidth / 3.0f; 9379 mGhostStart = lineWidth - textWidth + gap; 9380 mMaxScroll = mGhostStart + textWidth; 9381 mGhostOffset = lineWidth + gap; 9382 mFadeStop = lineWidth + textWidth / 6.0f; 9383 mMaxFadeScroll = mGhostStart + lineWidth + lineWidth; 9384 9385 textView.invalidate(); 9386 mChoreographer.postFrameCallback(mStartCallback); 9387 } 9388 } 9389 9390 float getGhostOffset() { 9391 return mGhostOffset; 9392 } 9393 9394 float getScroll() { 9395 return mScroll; 9396 } 9397 9398 float getMaxFadeScroll() { 9399 return mMaxFadeScroll; 9400 } 9401 9402 boolean shouldDrawLeftFade() { 9403 return mScroll <= mFadeStop; 9404 } 9405 9406 boolean shouldDrawGhost() { 9407 return mStatus == MARQUEE_RUNNING && mScroll > mGhostStart; 9408 } 9409 9410 boolean isRunning() { 9411 return mStatus == MARQUEE_RUNNING; 9412 } 9413 9414 boolean isStopped() { 9415 return mStatus == MARQUEE_STOPPED; 9416 } 9417 } 9418 9419 private class ChangeWatcher implements TextWatcher, SpanWatcher { 9420 9421 private CharSequence mBeforeText; 9422 9423 public void beforeTextChanged(CharSequence buffer, int start, 9424 int before, int after) { 9425 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "beforeTextChanged start=" + start 9426 + " before=" + before + " after=" + after + ": " + buffer); 9427 9428 if (AccessibilityManager.getInstance(mContext).isEnabled() 9429 && ((!isPasswordInputType(getInputType()) && !hasPasswordTransformationMethod()) 9430 || shouldSpeakPasswordsForAccessibility())) { 9431 mBeforeText = buffer.toString(); 9432 } 9433 9434 TextView.this.sendBeforeTextChanged(buffer, start, before, after); 9435 } 9436 9437 public void onTextChanged(CharSequence buffer, int start, int before, int after) { 9438 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onTextChanged start=" + start 9439 + " before=" + before + " after=" + after + ": " + buffer); 9440 TextView.this.handleTextChanged(buffer, start, before, after); 9441 9442 if (AccessibilityManager.getInstance(mContext).isEnabled() && 9443 (isFocused() || isSelected() && isShown())) { 9444 sendAccessibilityEventTypeViewTextChanged(mBeforeText, start, before, after); 9445 mBeforeText = null; 9446 } 9447 } 9448 9449 public void afterTextChanged(Editable buffer) { 9450 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "afterTextChanged: " + buffer); 9451 TextView.this.sendAfterTextChanged(buffer); 9452 9453 if (MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0) { 9454 MetaKeyKeyListener.stopSelecting(TextView.this, buffer); 9455 } 9456 } 9457 9458 public void onSpanChanged(Spannable buf, Object what, int s, int e, int st, int en) { 9459 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanChanged s=" + s + " e=" + e 9460 + " st=" + st + " en=" + en + " what=" + what + ": " + buf); 9461 TextView.this.spanChange(buf, what, s, st, e, en); 9462 } 9463 9464 public void onSpanAdded(Spannable buf, Object what, int s, int e) { 9465 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanAdded s=" + s + " e=" + e 9466 + " what=" + what + ": " + buf); 9467 TextView.this.spanChange(buf, what, -1, s, -1, e); 9468 } 9469 9470 public void onSpanRemoved(Spannable buf, Object what, int s, int e) { 9471 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanRemoved s=" + s + " e=" + e 9472 + " what=" + what + ": " + buf); 9473 TextView.this.spanChange(buf, what, s, -1, e, -1); 9474 } 9475 } 9476 } 9477