TextView.java revision fb2563103b4f377867c5fa556217987903f73052
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.widget; 18 19import android.R; 20import android.content.ClipData; 21import android.content.ClipboardManager; 22import android.content.Context; 23import android.content.res.ColorStateList; 24import android.content.res.CompatibilityInfo; 25import android.content.res.Resources; 26import android.content.res.TypedArray; 27import android.content.res.XmlResourceParser; 28import android.graphics.Canvas; 29import android.graphics.Insets; 30import android.graphics.Paint; 31import android.graphics.Path; 32import android.graphics.Rect; 33import android.graphics.RectF; 34import android.graphics.Typeface; 35import android.graphics.drawable.Drawable; 36import android.inputmethodservice.ExtractEditText; 37import android.os.AsyncTask; 38import android.os.Bundle; 39import android.os.Handler; 40import android.os.Message; 41import android.os.Parcel; 42import android.os.Parcelable; 43import android.os.SystemClock; 44import android.provider.Settings; 45import android.text.BoringLayout; 46import android.text.DynamicLayout; 47import android.text.Editable; 48import android.text.GetChars; 49import android.text.GraphicsOperations; 50import android.text.InputFilter; 51import android.text.InputType; 52import android.text.Layout; 53import android.text.ParcelableSpan; 54import android.text.Selection; 55import android.text.SpanWatcher; 56import android.text.Spannable; 57import android.text.SpannableString; 58import android.text.Spanned; 59import android.text.SpannedString; 60import android.text.StaticLayout; 61import android.text.TextDirectionHeuristic; 62import android.text.TextDirectionHeuristics; 63import android.text.TextPaint; 64import android.text.TextUtils; 65import android.text.TextUtils.TruncateAt; 66import android.text.TextWatcher; 67import android.text.method.AllCapsTransformationMethod; 68import android.text.method.ArrowKeyMovementMethod; 69import android.text.method.DateKeyListener; 70import android.text.method.DateTimeKeyListener; 71import android.text.method.DialerKeyListener; 72import android.text.method.DigitsKeyListener; 73import android.text.method.KeyListener; 74import android.text.method.LinkMovementMethod; 75import android.text.method.MetaKeyKeyListener; 76import android.text.method.MovementMethod; 77import android.text.method.PasswordTransformationMethod; 78import android.text.method.SingleLineTransformationMethod; 79import android.text.method.TextKeyListener; 80import android.text.method.TimeKeyListener; 81import android.text.method.TransformationMethod; 82import android.text.method.TransformationMethod2; 83import android.text.method.WordIterator; 84import android.text.style.CharacterStyle; 85import android.text.style.ClickableSpan; 86import android.text.style.ParagraphStyle; 87import android.text.style.SpellCheckSpan; 88import android.text.style.SuggestionSpan; 89import android.text.style.URLSpan; 90import android.text.style.UpdateAppearance; 91import android.text.util.Linkify; 92import android.util.AttributeSet; 93import android.util.FloatMath; 94import android.util.Log; 95import android.util.TypedValue; 96import android.view.AccessibilityIterators.TextSegmentIterator; 97import android.view.ActionMode; 98import android.view.DragEvent; 99import android.view.Gravity; 100import android.view.HapticFeedbackConstants; 101import android.view.KeyCharacterMap; 102import android.view.KeyEvent; 103import android.view.Menu; 104import android.view.MenuItem; 105import android.view.MotionEvent; 106import android.view.View; 107import android.view.ViewConfiguration; 108import android.view.ViewDebug; 109import android.view.ViewGroup.LayoutParams; 110import android.view.ViewRootImpl; 111import android.view.ViewTreeObserver; 112import android.view.accessibility.AccessibilityEvent; 113import android.view.accessibility.AccessibilityManager; 114import android.view.accessibility.AccessibilityNodeInfo; 115import android.view.animation.AnimationUtils; 116import android.view.inputmethod.BaseInputConnection; 117import android.view.inputmethod.CompletionInfo; 118import android.view.inputmethod.CorrectionInfo; 119import android.view.inputmethod.EditorInfo; 120import android.view.inputmethod.ExtractedText; 121import android.view.inputmethod.ExtractedTextRequest; 122import android.view.inputmethod.InputConnection; 123import android.view.inputmethod.InputMethodManager; 124import android.view.textservice.SpellCheckerSubtype; 125import android.view.textservice.TextServicesManager; 126import android.widget.RemoteViews.RemoteView; 127 128import com.android.internal.util.FastMath; 129import com.android.internal.widget.EditableInputConnection; 130 131import org.xmlpull.v1.XmlPullParserException; 132 133import java.io.IOException; 134import java.lang.ref.WeakReference; 135import java.util.ArrayList; 136import java.util.Locale; 137import java.util.concurrent.locks.ReentrantLock; 138 139import static android.os.Build.VERSION_CODES.JELLY_BEAN_MR1; 140 141/** 142 * Displays text to the user and optionally allows them to edit it. A TextView 143 * is a complete text editor, however the basic class is configured to not 144 * allow editing; see {@link EditText} for a subclass that configures the text 145 * view for editing. 146 * 147 * <p> 148 * <b>XML attributes</b> 149 * <p> 150 * See {@link android.R.styleable#TextView TextView Attributes}, 151 * {@link android.R.styleable#View View Attributes} 152 * 153 * @attr ref android.R.styleable#TextView_text 154 * @attr ref android.R.styleable#TextView_bufferType 155 * @attr ref android.R.styleable#TextView_hint 156 * @attr ref android.R.styleable#TextView_textColor 157 * @attr ref android.R.styleable#TextView_textColorHighlight 158 * @attr ref android.R.styleable#TextView_textColorHint 159 * @attr ref android.R.styleable#TextView_textAppearance 160 * @attr ref android.R.styleable#TextView_textColorLink 161 * @attr ref android.R.styleable#TextView_textSize 162 * @attr ref android.R.styleable#TextView_textScaleX 163 * @attr ref android.R.styleable#TextView_fontFamily 164 * @attr ref android.R.styleable#TextView_typeface 165 * @attr ref android.R.styleable#TextView_textStyle 166 * @attr ref android.R.styleable#TextView_cursorVisible 167 * @attr ref android.R.styleable#TextView_maxLines 168 * @attr ref android.R.styleable#TextView_maxHeight 169 * @attr ref android.R.styleable#TextView_lines 170 * @attr ref android.R.styleable#TextView_height 171 * @attr ref android.R.styleable#TextView_minLines 172 * @attr ref android.R.styleable#TextView_minHeight 173 * @attr ref android.R.styleable#TextView_maxEms 174 * @attr ref android.R.styleable#TextView_maxWidth 175 * @attr ref android.R.styleable#TextView_ems 176 * @attr ref android.R.styleable#TextView_width 177 * @attr ref android.R.styleable#TextView_minEms 178 * @attr ref android.R.styleable#TextView_minWidth 179 * @attr ref android.R.styleable#TextView_gravity 180 * @attr ref android.R.styleable#TextView_scrollHorizontally 181 * @attr ref android.R.styleable#TextView_password 182 * @attr ref android.R.styleable#TextView_singleLine 183 * @attr ref android.R.styleable#TextView_selectAllOnFocus 184 * @attr ref android.R.styleable#TextView_includeFontPadding 185 * @attr ref android.R.styleable#TextView_maxLength 186 * @attr ref android.R.styleable#TextView_shadowColor 187 * @attr ref android.R.styleable#TextView_shadowDx 188 * @attr ref android.R.styleable#TextView_shadowDy 189 * @attr ref android.R.styleable#TextView_shadowRadius 190 * @attr ref android.R.styleable#TextView_autoLink 191 * @attr ref android.R.styleable#TextView_linksClickable 192 * @attr ref android.R.styleable#TextView_numeric 193 * @attr ref android.R.styleable#TextView_digits 194 * @attr ref android.R.styleable#TextView_phoneNumber 195 * @attr ref android.R.styleable#TextView_inputMethod 196 * @attr ref android.R.styleable#TextView_capitalize 197 * @attr ref android.R.styleable#TextView_autoText 198 * @attr ref android.R.styleable#TextView_editable 199 * @attr ref android.R.styleable#TextView_freezesText 200 * @attr ref android.R.styleable#TextView_ellipsize 201 * @attr ref android.R.styleable#TextView_drawableTop 202 * @attr ref android.R.styleable#TextView_drawableBottom 203 * @attr ref android.R.styleable#TextView_drawableRight 204 * @attr ref android.R.styleable#TextView_drawableLeft 205 * @attr ref android.R.styleable#TextView_drawableStart 206 * @attr ref android.R.styleable#TextView_drawableEnd 207 * @attr ref android.R.styleable#TextView_drawablePadding 208 * @attr ref android.R.styleable#TextView_lineSpacingExtra 209 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 210 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 211 * @attr ref android.R.styleable#TextView_inputType 212 * @attr ref android.R.styleable#TextView_imeOptions 213 * @attr ref android.R.styleable#TextView_privateImeOptions 214 * @attr ref android.R.styleable#TextView_imeActionLabel 215 * @attr ref android.R.styleable#TextView_imeActionId 216 * @attr ref android.R.styleable#TextView_editorExtras 217 */ 218@RemoteView 219public class TextView extends View implements ViewTreeObserver.OnPreDrawListener { 220 static final String LOG_TAG = "TextView"; 221 static final boolean DEBUG_EXTRACT = false; 222 223 // Enum for the "typeface" XML parameter. 224 // TODO: How can we get this from the XML instead of hardcoding it here? 225 private static final int SANS = 1; 226 private static final int SERIF = 2; 227 private static final int MONOSPACE = 3; 228 229 // Bitfield for the "numeric" XML parameter. 230 // TODO: How can we get this from the XML instead of hardcoding it here? 231 private static final int SIGNED = 2; 232 private static final int DECIMAL = 4; 233 234 /** 235 * Draw marquee text with fading edges as usual 236 */ 237 private static final int MARQUEE_FADE_NORMAL = 0; 238 239 /** 240 * Draw marquee text as ellipsize end while inactive instead of with the fade. 241 * (Useful for devices where the fade can be expensive if overdone) 242 */ 243 private static final int MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS = 1; 244 245 /** 246 * Draw marquee text with fading edges because it is currently active/animating. 247 */ 248 private static final int MARQUEE_FADE_SWITCH_SHOW_FADE = 2; 249 250 private static final int LINES = 1; 251 private static final int EMS = LINES; 252 private static final int PIXELS = 2; 253 254 private static final RectF TEMP_RECTF = new RectF(); 255 256 // XXX should be much larger 257 private static final int VERY_WIDE = 1024*1024; 258 private static final int ANIMATED_SCROLL_GAP = 250; 259 260 private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 261 private static final Spanned EMPTY_SPANNED = new SpannedString(""); 262 263 private static final int CHANGE_WATCHER_PRIORITY = 100; 264 265 // New state used to change background based on whether this TextView is multiline. 266 private static final int[] MULTILINE_STATE_SET = { R.attr.state_multiline }; 267 268 // System wide time for last cut or copy action. 269 static long LAST_CUT_OR_COPY_TIME; 270 271 private ColorStateList mTextColor; 272 private ColorStateList mHintTextColor; 273 private ColorStateList mLinkTextColor; 274 private int mCurTextColor; 275 private int mCurHintTextColor; 276 private boolean mFreezesText; 277 private boolean mTemporaryDetach; 278 private boolean mDispatchTemporaryDetach; 279 280 private Editable.Factory mEditableFactory = Editable.Factory.getInstance(); 281 private Spannable.Factory mSpannableFactory = Spannable.Factory.getInstance(); 282 283 private float mShadowRadius, mShadowDx, mShadowDy; 284 285 private boolean mPreDrawRegistered; 286 287 // A flag to prevent repeated movements from escaping the enclosing text view. The idea here is 288 // that if a user is holding down a movement key to traverse text, we shouldn't also traverse 289 // the view hierarchy. On the other hand, if the user is using the movement key to traverse views 290 // (i.e. the first movement was to traverse out of this view, or this view was traversed into by 291 // the user holding the movement key down) then we shouldn't prevent the focus from changing. 292 private boolean mPreventDefaultMovement; 293 294 private TextUtils.TruncateAt mEllipsize; 295 296 static class Drawables { 297 final static int DRAWABLE_NONE = -1; 298 final static int DRAWABLE_RIGHT = 0; 299 final static int DRAWABLE_LEFT = 1; 300 301 final Rect mCompoundRect = new Rect(); 302 303 Drawable mDrawableTop, mDrawableBottom, mDrawableLeft, mDrawableRight, 304 mDrawableStart, mDrawableEnd, mDrawableError, mDrawableTemp; 305 306 Drawable mDrawableLeftInitial, mDrawableRightInitial; 307 boolean mIsRtlCompatibilityMode; 308 boolean mOverride; 309 310 int mDrawableSizeTop, mDrawableSizeBottom, mDrawableSizeLeft, mDrawableSizeRight, 311 mDrawableSizeStart, mDrawableSizeEnd, mDrawableSizeError, mDrawableSizeTemp; 312 313 int mDrawableWidthTop, mDrawableWidthBottom, mDrawableHeightLeft, mDrawableHeightRight, 314 mDrawableHeightStart, mDrawableHeightEnd, mDrawableHeightError, mDrawableHeightTemp; 315 316 int mDrawablePadding; 317 318 int mDrawableSaved = DRAWABLE_NONE; 319 320 public Drawables(Context context) { 321 final int targetSdkVersion = context.getApplicationInfo().targetSdkVersion; 322 mIsRtlCompatibilityMode = (targetSdkVersion < JELLY_BEAN_MR1 || 323 !context.getApplicationInfo().hasRtlSupport()); 324 mOverride = false; 325 } 326 327 public void resolveWithLayoutDirection(int layoutDirection) { 328 // First reset "left" and "right" drawables to their initial values 329 mDrawableLeft = mDrawableLeftInitial; 330 mDrawableRight = mDrawableRightInitial; 331 332 if (mIsRtlCompatibilityMode) { 333 // Use "start" drawable as "left" drawable if the "left" drawable was not defined 334 if (mDrawableStart != null && mDrawableLeft == null) { 335 mDrawableLeft = mDrawableStart; 336 mDrawableSizeLeft = mDrawableSizeStart; 337 mDrawableHeightLeft = mDrawableHeightStart; 338 } 339 // Use "end" drawable as "right" drawable if the "right" drawable was not defined 340 if (mDrawableEnd != null && mDrawableRight == null) { 341 mDrawableRight = mDrawableEnd; 342 mDrawableSizeRight = mDrawableSizeEnd; 343 mDrawableHeightRight = mDrawableHeightEnd; 344 } 345 } else { 346 // JB-MR1+ normal case: "start" / "end" drawables are overriding "left" / "right" 347 // drawable if and only if they have been defined 348 switch(layoutDirection) { 349 case LAYOUT_DIRECTION_RTL: 350 if (mOverride) { 351 mDrawableRight = mDrawableStart; 352 mDrawableSizeRight = mDrawableSizeStart; 353 mDrawableHeightRight = mDrawableHeightStart; 354 } 355 356 if (mOverride) { 357 mDrawableLeft = mDrawableEnd; 358 mDrawableSizeLeft = mDrawableSizeEnd; 359 mDrawableHeightLeft = mDrawableHeightEnd; 360 } 361 break; 362 363 case LAYOUT_DIRECTION_LTR: 364 default: 365 if (mOverride) { 366 mDrawableLeft = mDrawableStart; 367 mDrawableSizeLeft = mDrawableSizeStart; 368 mDrawableHeightLeft = mDrawableHeightStart; 369 } 370 371 if (mOverride) { 372 mDrawableRight = mDrawableEnd; 373 mDrawableSizeRight = mDrawableSizeEnd; 374 mDrawableHeightRight = mDrawableHeightEnd; 375 } 376 break; 377 } 378 } 379 applyErrorDrawableIfNeeded(layoutDirection); 380 updateDrawablesLayoutDirection(layoutDirection); 381 } 382 383 private void updateDrawablesLayoutDirection(int layoutDirection) { 384 if (mDrawableLeft != null) { 385 mDrawableLeft.setLayoutDirection(layoutDirection); 386 } 387 if (mDrawableRight != null) { 388 mDrawableRight.setLayoutDirection(layoutDirection); 389 } 390 if (mDrawableTop != null) { 391 mDrawableTop.setLayoutDirection(layoutDirection); 392 } 393 if (mDrawableBottom != null) { 394 mDrawableBottom.setLayoutDirection(layoutDirection); 395 } 396 } 397 398 public void setErrorDrawable(Drawable dr, TextView tv) { 399 if (mDrawableError != dr && mDrawableError != null) { 400 mDrawableError.setCallback(null); 401 } 402 mDrawableError = dr; 403 404 final Rect compoundRect = mCompoundRect; 405 int[] state = tv.getDrawableState(); 406 407 if (mDrawableError != null) { 408 mDrawableError.setState(state); 409 mDrawableError.copyBounds(compoundRect); 410 mDrawableError.setCallback(tv); 411 mDrawableSizeError = compoundRect.width(); 412 mDrawableHeightError = compoundRect.height(); 413 } else { 414 mDrawableSizeError = mDrawableHeightError = 0; 415 } 416 } 417 418 private void applyErrorDrawableIfNeeded(int layoutDirection) { 419 // first restore the initial state if needed 420 switch (mDrawableSaved) { 421 case DRAWABLE_LEFT: 422 mDrawableLeft = mDrawableTemp; 423 mDrawableSizeLeft = mDrawableSizeTemp; 424 mDrawableHeightLeft = mDrawableHeightTemp; 425 break; 426 case DRAWABLE_RIGHT: 427 mDrawableRight = mDrawableTemp; 428 mDrawableSizeRight = mDrawableSizeTemp; 429 mDrawableHeightRight = mDrawableHeightTemp; 430 break; 431 case DRAWABLE_NONE: 432 default: 433 } 434 // then, if needed, assign the Error drawable to the correct location 435 if (mDrawableError != null) { 436 switch(layoutDirection) { 437 case LAYOUT_DIRECTION_RTL: 438 mDrawableSaved = DRAWABLE_LEFT; 439 440 mDrawableTemp = mDrawableLeft; 441 mDrawableSizeTemp = mDrawableSizeLeft; 442 mDrawableHeightTemp = mDrawableHeightLeft; 443 444 mDrawableLeft = mDrawableError; 445 mDrawableSizeLeft = mDrawableSizeError; 446 mDrawableHeightLeft = mDrawableHeightError; 447 break; 448 case LAYOUT_DIRECTION_LTR: 449 default: 450 mDrawableSaved = DRAWABLE_RIGHT; 451 452 mDrawableTemp = mDrawableRight; 453 mDrawableSizeTemp = mDrawableSizeRight; 454 mDrawableHeightTemp = mDrawableHeightRight; 455 456 mDrawableRight = mDrawableError; 457 mDrawableSizeRight = mDrawableSizeError; 458 mDrawableHeightRight = mDrawableHeightError; 459 break; 460 } 461 } 462 } 463 } 464 465 Drawables mDrawables; 466 467 private CharWrapper mCharWrapper; 468 469 private Marquee mMarquee; 470 private boolean mRestartMarquee; 471 472 private int mMarqueeRepeatLimit = 3; 473 474 private int mLastLayoutDirection = -1; 475 476 /** 477 * On some devices the fading edges add a performance penalty if used 478 * extensively in the same layout. This mode indicates how the marquee 479 * is currently being shown, if applicable. (mEllipsize will == MARQUEE) 480 */ 481 private int mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 482 483 /** 484 * When mMarqueeFadeMode is not MARQUEE_FADE_NORMAL, this stores 485 * the layout that should be used when the mode switches. 486 */ 487 private Layout mSavedMarqueeModeLayout; 488 489 @ViewDebug.ExportedProperty(category = "text") 490 private CharSequence mText; 491 private CharSequence mTransformed; 492 private BufferType mBufferType = BufferType.NORMAL; 493 494 private CharSequence mHint; 495 private Layout mHintLayout; 496 497 private MovementMethod mMovement; 498 499 private TransformationMethod mTransformation; 500 private boolean mAllowTransformationLengthChange; 501 private ChangeWatcher mChangeWatcher; 502 503 private ArrayList<TextWatcher> mListeners; 504 505 // display attributes 506 private final TextPaint mTextPaint; 507 private boolean mUserSetTextScaleX; 508 private Layout mLayout; 509 510 private int mGravity = Gravity.TOP | Gravity.START; 511 private boolean mHorizontallyScrolling; 512 513 private int mAutoLinkMask; 514 private boolean mLinksClickable = true; 515 516 private float mSpacingMult = 1.0f; 517 private float mSpacingAdd = 0.0f; 518 519 private int mMaximum = Integer.MAX_VALUE; 520 private int mMaxMode = LINES; 521 private int mMinimum = 0; 522 private int mMinMode = LINES; 523 524 private int mOldMaximum = mMaximum; 525 private int mOldMaxMode = mMaxMode; 526 527 private int mMaxWidth = Integer.MAX_VALUE; 528 private int mMaxWidthMode = PIXELS; 529 private int mMinWidth = 0; 530 private int mMinWidthMode = PIXELS; 531 532 private boolean mSingleLine; 533 private int mDesiredHeightAtMeasure = -1; 534 private boolean mIncludePad = true; 535 private int mDeferScroll = -1; 536 537 // tmp primitives, so we don't alloc them on each draw 538 private Rect mTempRect; 539 private long mLastScroll; 540 private Scroller mScroller; 541 542 private BoringLayout.Metrics mBoring, mHintBoring; 543 private BoringLayout mSavedLayout, mSavedHintLayout; 544 545 private TextDirectionHeuristic mTextDir; 546 547 private InputFilter[] mFilters = NO_FILTERS; 548 549 private volatile Locale mCurrentSpellCheckerLocaleCache; 550 private final ReentrantLock mCurrentTextServicesLocaleLock = new ReentrantLock(); 551 552 // It is possible to have a selection even when mEditor is null (programmatically set, like when 553 // a link is pressed). These highlight-related fields do not go in mEditor. 554 int mHighlightColor = 0x6633B5E5; 555 private Path mHighlightPath; 556 private final Paint mHighlightPaint; 557 private boolean mHighlightPathBogus = true; 558 559 // Although these fields are specific to editable text, they are not added to Editor because 560 // they are defined by the TextView's style and are theme-dependent. 561 int mCursorDrawableRes; 562 // These four fields, could be moved to Editor, since we know their default values and we 563 // could condition the creation of the Editor to a non standard value. This is however 564 // brittle since the hardcoded values here (such as 565 // com.android.internal.R.drawable.text_select_handle_left) would have to be updated if the 566 // default style is modified. 567 int mTextSelectHandleLeftRes; 568 int mTextSelectHandleRightRes; 569 int mTextSelectHandleRes; 570 int mTextEditSuggestionItemLayout; 571 572 /** 573 * EditText specific data, created on demand when one of the Editor fields is used. 574 * See {@link #createEditorIfNeeded()}. 575 */ 576 private Editor mEditor; 577 578 /* 579 * Kick-start the font cache for the zygote process (to pay the cost of 580 * initializing freetype for our default font only once). 581 */ 582 static { 583 Paint p = new Paint(); 584 p.setAntiAlias(true); 585 // We don't care about the result, just the side-effect of measuring. 586 p.measureText("H"); 587 } 588 589 /** 590 * Interface definition for a callback to be invoked when an action is 591 * performed on the editor. 592 */ 593 public interface OnEditorActionListener { 594 /** 595 * Called when an action is being performed. 596 * 597 * @param v The view that was clicked. 598 * @param actionId Identifier of the action. This will be either the 599 * identifier you supplied, or {@link EditorInfo#IME_NULL 600 * EditorInfo.IME_NULL} if being called due to the enter key 601 * being pressed. 602 * @param event If triggered by an enter key, this is the event; 603 * otherwise, this is null. 604 * @return Return true if you have consumed the action, else false. 605 */ 606 boolean onEditorAction(TextView v, int actionId, KeyEvent event); 607 } 608 609 public TextView(Context context) { 610 this(context, null); 611 } 612 613 public TextView(Context context, AttributeSet attrs) { 614 this(context, attrs, com.android.internal.R.attr.textViewStyle); 615 } 616 617 @SuppressWarnings("deprecation") 618 public TextView(Context context, AttributeSet attrs, int defStyle) { 619 super(context, attrs, defStyle); 620 mText = ""; 621 622 final Resources res = getResources(); 623 final CompatibilityInfo compat = res.getCompatibilityInfo(); 624 625 mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); 626 mTextPaint.density = res.getDisplayMetrics().density; 627 mTextPaint.setCompatibilityScaling(compat.applicationScale); 628 629 mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 630 mHighlightPaint.setCompatibilityScaling(compat.applicationScale); 631 632 mMovement = getDefaultMovementMethod(); 633 634 mTransformation = null; 635 636 int textColorHighlight = 0; 637 ColorStateList textColor = null; 638 ColorStateList textColorHint = null; 639 ColorStateList textColorLink = null; 640 int textSize = 15; 641 String fontFamily = null; 642 int typefaceIndex = -1; 643 int styleIndex = -1; 644 boolean allCaps = false; 645 int shadowcolor = 0; 646 float dx = 0, dy = 0, r = 0; 647 648 final Resources.Theme theme = context.getTheme(); 649 650 /* 651 * Look the appearance up without checking first if it exists because 652 * almost every TextView has one and it greatly simplifies the logic 653 * to be able to parse the appearance first and then let specific tags 654 * for this View override it. 655 */ 656 TypedArray a = theme.obtainStyledAttributes( 657 attrs, com.android.internal.R.styleable.TextViewAppearance, defStyle, 0); 658 TypedArray appearance = null; 659 int ap = a.getResourceId( 660 com.android.internal.R.styleable.TextViewAppearance_textAppearance, -1); 661 a.recycle(); 662 if (ap != -1) { 663 appearance = theme.obtainStyledAttributes( 664 ap, com.android.internal.R.styleable.TextAppearance); 665 } 666 if (appearance != null) { 667 int n = appearance.getIndexCount(); 668 for (int i = 0; i < n; i++) { 669 int attr = appearance.getIndex(i); 670 671 switch (attr) { 672 case com.android.internal.R.styleable.TextAppearance_textColorHighlight: 673 textColorHighlight = appearance.getColor(attr, textColorHighlight); 674 break; 675 676 case com.android.internal.R.styleable.TextAppearance_textColor: 677 textColor = appearance.getColorStateList(attr); 678 break; 679 680 case com.android.internal.R.styleable.TextAppearance_textColorHint: 681 textColorHint = appearance.getColorStateList(attr); 682 break; 683 684 case com.android.internal.R.styleable.TextAppearance_textColorLink: 685 textColorLink = appearance.getColorStateList(attr); 686 break; 687 688 case com.android.internal.R.styleable.TextAppearance_textSize: 689 textSize = appearance.getDimensionPixelSize(attr, textSize); 690 break; 691 692 case com.android.internal.R.styleable.TextAppearance_typeface: 693 typefaceIndex = appearance.getInt(attr, -1); 694 break; 695 696 case com.android.internal.R.styleable.TextAppearance_fontFamily: 697 fontFamily = appearance.getString(attr); 698 break; 699 700 case com.android.internal.R.styleable.TextAppearance_textStyle: 701 styleIndex = appearance.getInt(attr, -1); 702 break; 703 704 case com.android.internal.R.styleable.TextAppearance_textAllCaps: 705 allCaps = appearance.getBoolean(attr, false); 706 break; 707 708 case com.android.internal.R.styleable.TextAppearance_shadowColor: 709 shadowcolor = a.getInt(attr, 0); 710 break; 711 712 case com.android.internal.R.styleable.TextAppearance_shadowDx: 713 dx = a.getFloat(attr, 0); 714 break; 715 716 case com.android.internal.R.styleable.TextAppearance_shadowDy: 717 dy = a.getFloat(attr, 0); 718 break; 719 720 case com.android.internal.R.styleable.TextAppearance_shadowRadius: 721 r = a.getFloat(attr, 0); 722 break; 723 } 724 } 725 726 appearance.recycle(); 727 } 728 729 boolean editable = getDefaultEditable(); 730 CharSequence inputMethod = null; 731 int numeric = 0; 732 CharSequence digits = null; 733 boolean phone = false; 734 boolean autotext = false; 735 int autocap = -1; 736 int buffertype = 0; 737 boolean selectallonfocus = false; 738 Drawable drawableLeft = null, drawableTop = null, drawableRight = null, 739 drawableBottom = null, drawableStart = null, drawableEnd = null; 740 int drawablePadding = 0; 741 int ellipsize = -1; 742 boolean singleLine = false; 743 int maxlength = -1; 744 CharSequence text = ""; 745 CharSequence hint = null; 746 boolean password = false; 747 int inputType = EditorInfo.TYPE_NULL; 748 749 a = theme.obtainStyledAttributes( 750 attrs, com.android.internal.R.styleable.TextView, defStyle, 0); 751 752 int n = a.getIndexCount(); 753 for (int i = 0; i < n; i++) { 754 int attr = a.getIndex(i); 755 756 switch (attr) { 757 case com.android.internal.R.styleable.TextView_editable: 758 editable = a.getBoolean(attr, editable); 759 break; 760 761 case com.android.internal.R.styleable.TextView_inputMethod: 762 inputMethod = a.getText(attr); 763 break; 764 765 case com.android.internal.R.styleable.TextView_numeric: 766 numeric = a.getInt(attr, numeric); 767 break; 768 769 case com.android.internal.R.styleable.TextView_digits: 770 digits = a.getText(attr); 771 break; 772 773 case com.android.internal.R.styleable.TextView_phoneNumber: 774 phone = a.getBoolean(attr, phone); 775 break; 776 777 case com.android.internal.R.styleable.TextView_autoText: 778 autotext = a.getBoolean(attr, autotext); 779 break; 780 781 case com.android.internal.R.styleable.TextView_capitalize: 782 autocap = a.getInt(attr, autocap); 783 break; 784 785 case com.android.internal.R.styleable.TextView_bufferType: 786 buffertype = a.getInt(attr, buffertype); 787 break; 788 789 case com.android.internal.R.styleable.TextView_selectAllOnFocus: 790 selectallonfocus = a.getBoolean(attr, selectallonfocus); 791 break; 792 793 case com.android.internal.R.styleable.TextView_autoLink: 794 mAutoLinkMask = a.getInt(attr, 0); 795 break; 796 797 case com.android.internal.R.styleable.TextView_linksClickable: 798 mLinksClickable = a.getBoolean(attr, true); 799 break; 800 801 case com.android.internal.R.styleable.TextView_drawableLeft: 802 drawableLeft = a.getDrawable(attr); 803 break; 804 805 case com.android.internal.R.styleable.TextView_drawableTop: 806 drawableTop = a.getDrawable(attr); 807 break; 808 809 case com.android.internal.R.styleable.TextView_drawableRight: 810 drawableRight = a.getDrawable(attr); 811 break; 812 813 case com.android.internal.R.styleable.TextView_drawableBottom: 814 drawableBottom = a.getDrawable(attr); 815 break; 816 817 case com.android.internal.R.styleable.TextView_drawableStart: 818 drawableStart = a.getDrawable(attr); 819 break; 820 821 case com.android.internal.R.styleable.TextView_drawableEnd: 822 drawableEnd = a.getDrawable(attr); 823 break; 824 825 case com.android.internal.R.styleable.TextView_drawablePadding: 826 drawablePadding = a.getDimensionPixelSize(attr, drawablePadding); 827 break; 828 829 case com.android.internal.R.styleable.TextView_maxLines: 830 setMaxLines(a.getInt(attr, -1)); 831 break; 832 833 case com.android.internal.R.styleable.TextView_maxHeight: 834 setMaxHeight(a.getDimensionPixelSize(attr, -1)); 835 break; 836 837 case com.android.internal.R.styleable.TextView_lines: 838 setLines(a.getInt(attr, -1)); 839 break; 840 841 case com.android.internal.R.styleable.TextView_height: 842 setHeight(a.getDimensionPixelSize(attr, -1)); 843 break; 844 845 case com.android.internal.R.styleable.TextView_minLines: 846 setMinLines(a.getInt(attr, -1)); 847 break; 848 849 case com.android.internal.R.styleable.TextView_minHeight: 850 setMinHeight(a.getDimensionPixelSize(attr, -1)); 851 break; 852 853 case com.android.internal.R.styleable.TextView_maxEms: 854 setMaxEms(a.getInt(attr, -1)); 855 break; 856 857 case com.android.internal.R.styleable.TextView_maxWidth: 858 setMaxWidth(a.getDimensionPixelSize(attr, -1)); 859 break; 860 861 case com.android.internal.R.styleable.TextView_ems: 862 setEms(a.getInt(attr, -1)); 863 break; 864 865 case com.android.internal.R.styleable.TextView_width: 866 setWidth(a.getDimensionPixelSize(attr, -1)); 867 break; 868 869 case com.android.internal.R.styleable.TextView_minEms: 870 setMinEms(a.getInt(attr, -1)); 871 break; 872 873 case com.android.internal.R.styleable.TextView_minWidth: 874 setMinWidth(a.getDimensionPixelSize(attr, -1)); 875 break; 876 877 case com.android.internal.R.styleable.TextView_gravity: 878 setGravity(a.getInt(attr, -1)); 879 break; 880 881 case com.android.internal.R.styleable.TextView_hint: 882 hint = a.getText(attr); 883 break; 884 885 case com.android.internal.R.styleable.TextView_text: 886 text = a.getText(attr); 887 break; 888 889 case com.android.internal.R.styleable.TextView_scrollHorizontally: 890 if (a.getBoolean(attr, false)) { 891 setHorizontallyScrolling(true); 892 } 893 break; 894 895 case com.android.internal.R.styleable.TextView_singleLine: 896 singleLine = a.getBoolean(attr, singleLine); 897 break; 898 899 case com.android.internal.R.styleable.TextView_ellipsize: 900 ellipsize = a.getInt(attr, ellipsize); 901 break; 902 903 case com.android.internal.R.styleable.TextView_marqueeRepeatLimit: 904 setMarqueeRepeatLimit(a.getInt(attr, mMarqueeRepeatLimit)); 905 break; 906 907 case com.android.internal.R.styleable.TextView_includeFontPadding: 908 if (!a.getBoolean(attr, true)) { 909 setIncludeFontPadding(false); 910 } 911 break; 912 913 case com.android.internal.R.styleable.TextView_cursorVisible: 914 if (!a.getBoolean(attr, true)) { 915 setCursorVisible(false); 916 } 917 break; 918 919 case com.android.internal.R.styleable.TextView_maxLength: 920 maxlength = a.getInt(attr, -1); 921 break; 922 923 case com.android.internal.R.styleable.TextView_textScaleX: 924 setTextScaleX(a.getFloat(attr, 1.0f)); 925 break; 926 927 case com.android.internal.R.styleable.TextView_freezesText: 928 mFreezesText = a.getBoolean(attr, false); 929 break; 930 931 case com.android.internal.R.styleable.TextView_shadowColor: 932 shadowcolor = a.getInt(attr, 0); 933 break; 934 935 case com.android.internal.R.styleable.TextView_shadowDx: 936 dx = a.getFloat(attr, 0); 937 break; 938 939 case com.android.internal.R.styleable.TextView_shadowDy: 940 dy = a.getFloat(attr, 0); 941 break; 942 943 case com.android.internal.R.styleable.TextView_shadowRadius: 944 r = a.getFloat(attr, 0); 945 break; 946 947 case com.android.internal.R.styleable.TextView_enabled: 948 setEnabled(a.getBoolean(attr, isEnabled())); 949 break; 950 951 case com.android.internal.R.styleable.TextView_textColorHighlight: 952 textColorHighlight = a.getColor(attr, textColorHighlight); 953 break; 954 955 case com.android.internal.R.styleable.TextView_textColor: 956 textColor = a.getColorStateList(attr); 957 break; 958 959 case com.android.internal.R.styleable.TextView_textColorHint: 960 textColorHint = a.getColorStateList(attr); 961 break; 962 963 case com.android.internal.R.styleable.TextView_textColorLink: 964 textColorLink = a.getColorStateList(attr); 965 break; 966 967 case com.android.internal.R.styleable.TextView_textSize: 968 textSize = a.getDimensionPixelSize(attr, textSize); 969 break; 970 971 case com.android.internal.R.styleable.TextView_typeface: 972 typefaceIndex = a.getInt(attr, typefaceIndex); 973 break; 974 975 case com.android.internal.R.styleable.TextView_textStyle: 976 styleIndex = a.getInt(attr, styleIndex); 977 break; 978 979 case com.android.internal.R.styleable.TextView_fontFamily: 980 fontFamily = a.getString(attr); 981 break; 982 983 case com.android.internal.R.styleable.TextView_password: 984 password = a.getBoolean(attr, password); 985 break; 986 987 case com.android.internal.R.styleable.TextView_lineSpacingExtra: 988 mSpacingAdd = a.getDimensionPixelSize(attr, (int) mSpacingAdd); 989 break; 990 991 case com.android.internal.R.styleable.TextView_lineSpacingMultiplier: 992 mSpacingMult = a.getFloat(attr, mSpacingMult); 993 break; 994 995 case com.android.internal.R.styleable.TextView_inputType: 996 inputType = a.getInt(attr, EditorInfo.TYPE_NULL); 997 break; 998 999 case com.android.internal.R.styleable.TextView_imeOptions: 1000 createEditorIfNeeded(); 1001 mEditor.createInputContentTypeIfNeeded(); 1002 mEditor.mInputContentType.imeOptions = a.getInt(attr, 1003 mEditor.mInputContentType.imeOptions); 1004 break; 1005 1006 case com.android.internal.R.styleable.TextView_imeActionLabel: 1007 createEditorIfNeeded(); 1008 mEditor.createInputContentTypeIfNeeded(); 1009 mEditor.mInputContentType.imeActionLabel = a.getText(attr); 1010 break; 1011 1012 case com.android.internal.R.styleable.TextView_imeActionId: 1013 createEditorIfNeeded(); 1014 mEditor.createInputContentTypeIfNeeded(); 1015 mEditor.mInputContentType.imeActionId = a.getInt(attr, 1016 mEditor.mInputContentType.imeActionId); 1017 break; 1018 1019 case com.android.internal.R.styleable.TextView_privateImeOptions: 1020 setPrivateImeOptions(a.getString(attr)); 1021 break; 1022 1023 case com.android.internal.R.styleable.TextView_editorExtras: 1024 try { 1025 setInputExtras(a.getResourceId(attr, 0)); 1026 } catch (XmlPullParserException e) { 1027 Log.w(LOG_TAG, "Failure reading input extras", e); 1028 } catch (IOException e) { 1029 Log.w(LOG_TAG, "Failure reading input extras", e); 1030 } 1031 break; 1032 1033 case com.android.internal.R.styleable.TextView_textCursorDrawable: 1034 mCursorDrawableRes = a.getResourceId(attr, 0); 1035 break; 1036 1037 case com.android.internal.R.styleable.TextView_textSelectHandleLeft: 1038 mTextSelectHandleLeftRes = a.getResourceId(attr, 0); 1039 break; 1040 1041 case com.android.internal.R.styleable.TextView_textSelectHandleRight: 1042 mTextSelectHandleRightRes = a.getResourceId(attr, 0); 1043 break; 1044 1045 case com.android.internal.R.styleable.TextView_textSelectHandle: 1046 mTextSelectHandleRes = a.getResourceId(attr, 0); 1047 break; 1048 1049 case com.android.internal.R.styleable.TextView_textEditSuggestionItemLayout: 1050 mTextEditSuggestionItemLayout = a.getResourceId(attr, 0); 1051 break; 1052 1053 case com.android.internal.R.styleable.TextView_textIsSelectable: 1054 setTextIsSelectable(a.getBoolean(attr, false)); 1055 break; 1056 1057 case com.android.internal.R.styleable.TextView_textAllCaps: 1058 allCaps = a.getBoolean(attr, false); 1059 break; 1060 } 1061 } 1062 a.recycle(); 1063 1064 BufferType bufferType = BufferType.EDITABLE; 1065 1066 final int variation = 1067 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 1068 final boolean passwordInputType = variation 1069 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD); 1070 final boolean webPasswordInputType = variation 1071 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD); 1072 final boolean numberPasswordInputType = variation 1073 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 1074 1075 if (inputMethod != null) { 1076 Class<?> c; 1077 1078 try { 1079 c = Class.forName(inputMethod.toString()); 1080 } catch (ClassNotFoundException ex) { 1081 throw new RuntimeException(ex); 1082 } 1083 1084 try { 1085 createEditorIfNeeded(); 1086 mEditor.mKeyListener = (KeyListener) c.newInstance(); 1087 } catch (InstantiationException ex) { 1088 throw new RuntimeException(ex); 1089 } catch (IllegalAccessException ex) { 1090 throw new RuntimeException(ex); 1091 } 1092 try { 1093 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1094 ? inputType 1095 : mEditor.mKeyListener.getInputType(); 1096 } catch (IncompatibleClassChangeError e) { 1097 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1098 } 1099 } else if (digits != null) { 1100 createEditorIfNeeded(); 1101 mEditor.mKeyListener = DigitsKeyListener.getInstance(digits.toString()); 1102 // If no input type was specified, we will default to generic 1103 // text, since we can't tell the IME about the set of digits 1104 // that was selected. 1105 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1106 ? inputType : EditorInfo.TYPE_CLASS_TEXT; 1107 } else if (inputType != EditorInfo.TYPE_NULL) { 1108 setInputType(inputType, true); 1109 // If set, the input type overrides what was set using the deprecated singleLine flag. 1110 singleLine = !isMultilineInputType(inputType); 1111 } else if (phone) { 1112 createEditorIfNeeded(); 1113 mEditor.mKeyListener = DialerKeyListener.getInstance(); 1114 mEditor.mInputType = inputType = EditorInfo.TYPE_CLASS_PHONE; 1115 } else if (numeric != 0) { 1116 createEditorIfNeeded(); 1117 mEditor.mKeyListener = DigitsKeyListener.getInstance((numeric & SIGNED) != 0, 1118 (numeric & DECIMAL) != 0); 1119 inputType = EditorInfo.TYPE_CLASS_NUMBER; 1120 if ((numeric & SIGNED) != 0) { 1121 inputType |= EditorInfo.TYPE_NUMBER_FLAG_SIGNED; 1122 } 1123 if ((numeric & DECIMAL) != 0) { 1124 inputType |= EditorInfo.TYPE_NUMBER_FLAG_DECIMAL; 1125 } 1126 mEditor.mInputType = inputType; 1127 } else if (autotext || autocap != -1) { 1128 TextKeyListener.Capitalize cap; 1129 1130 inputType = EditorInfo.TYPE_CLASS_TEXT; 1131 1132 switch (autocap) { 1133 case 1: 1134 cap = TextKeyListener.Capitalize.SENTENCES; 1135 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES; 1136 break; 1137 1138 case 2: 1139 cap = TextKeyListener.Capitalize.WORDS; 1140 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS; 1141 break; 1142 1143 case 3: 1144 cap = TextKeyListener.Capitalize.CHARACTERS; 1145 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS; 1146 break; 1147 1148 default: 1149 cap = TextKeyListener.Capitalize.NONE; 1150 break; 1151 } 1152 1153 createEditorIfNeeded(); 1154 mEditor.mKeyListener = TextKeyListener.getInstance(autotext, cap); 1155 mEditor.mInputType = inputType; 1156 } else if (isTextSelectable()) { 1157 // Prevent text changes from keyboard. 1158 if (mEditor != null) { 1159 mEditor.mKeyListener = null; 1160 mEditor.mInputType = EditorInfo.TYPE_NULL; 1161 } 1162 bufferType = BufferType.SPANNABLE; 1163 // So that selection can be changed using arrow keys and touch is handled. 1164 setMovementMethod(ArrowKeyMovementMethod.getInstance()); 1165 } else if (editable) { 1166 createEditorIfNeeded(); 1167 mEditor.mKeyListener = TextKeyListener.getInstance(); 1168 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1169 } else { 1170 if (mEditor != null) mEditor.mKeyListener = null; 1171 1172 switch (buffertype) { 1173 case 0: 1174 bufferType = BufferType.NORMAL; 1175 break; 1176 case 1: 1177 bufferType = BufferType.SPANNABLE; 1178 break; 1179 case 2: 1180 bufferType = BufferType.EDITABLE; 1181 break; 1182 } 1183 } 1184 1185 if (mEditor != null) mEditor.adjustInputType(password, passwordInputType, 1186 webPasswordInputType, numberPasswordInputType); 1187 1188 if (selectallonfocus) { 1189 createEditorIfNeeded(); 1190 mEditor.mSelectAllOnFocus = true; 1191 1192 if (bufferType == BufferType.NORMAL) 1193 bufferType = BufferType.SPANNABLE; 1194 } 1195 1196 // This call will save the initial left/right drawables 1197 setCompoundDrawablesWithIntrinsicBounds( 1198 drawableLeft, drawableTop, drawableRight, drawableBottom); 1199 setRelativeDrawablesIfNeeded(drawableStart, drawableEnd); 1200 setCompoundDrawablePadding(drawablePadding); 1201 1202 // Same as setSingleLine(), but make sure the transformation method and the maximum number 1203 // of lines of height are unchanged for multi-line TextViews. 1204 setInputTypeSingleLine(singleLine); 1205 applySingleLine(singleLine, singleLine, singleLine); 1206 1207 if (singleLine && getKeyListener() == null && ellipsize < 0) { 1208 ellipsize = 3; // END 1209 } 1210 1211 switch (ellipsize) { 1212 case 1: 1213 setEllipsize(TextUtils.TruncateAt.START); 1214 break; 1215 case 2: 1216 setEllipsize(TextUtils.TruncateAt.MIDDLE); 1217 break; 1218 case 3: 1219 setEllipsize(TextUtils.TruncateAt.END); 1220 break; 1221 case 4: 1222 if (ViewConfiguration.get(context).isFadingMarqueeEnabled()) { 1223 setHorizontalFadingEdgeEnabled(true); 1224 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 1225 } else { 1226 setHorizontalFadingEdgeEnabled(false); 1227 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 1228 } 1229 setEllipsize(TextUtils.TruncateAt.MARQUEE); 1230 break; 1231 } 1232 1233 setTextColor(textColor != null ? textColor : ColorStateList.valueOf(0xFF000000)); 1234 setHintTextColor(textColorHint); 1235 setLinkTextColor(textColorLink); 1236 if (textColorHighlight != 0) { 1237 setHighlightColor(textColorHighlight); 1238 } 1239 setRawTextSize(textSize); 1240 1241 if (allCaps) { 1242 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 1243 } 1244 1245 if (password || passwordInputType || webPasswordInputType || numberPasswordInputType) { 1246 setTransformationMethod(PasswordTransformationMethod.getInstance()); 1247 typefaceIndex = MONOSPACE; 1248 } else if (mEditor != null && 1249 (mEditor.mInputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION)) 1250 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) { 1251 typefaceIndex = MONOSPACE; 1252 } 1253 1254 setTypefaceFromAttrs(fontFamily, typefaceIndex, styleIndex); 1255 1256 if (shadowcolor != 0) { 1257 setShadowLayer(r, dx, dy, shadowcolor); 1258 } 1259 1260 if (maxlength >= 0) { 1261 setFilters(new InputFilter[] { new InputFilter.LengthFilter(maxlength) }); 1262 } else { 1263 setFilters(NO_FILTERS); 1264 } 1265 1266 setText(text, bufferType); 1267 if (hint != null) setHint(hint); 1268 1269 /* 1270 * Views are not normally focusable unless specified to be. 1271 * However, TextViews that have input or movement methods *are* 1272 * focusable by default. 1273 */ 1274 a = context.obtainStyledAttributes(attrs, 1275 com.android.internal.R.styleable.View, 1276 defStyle, 0); 1277 1278 boolean focusable = mMovement != null || getKeyListener() != null; 1279 boolean clickable = focusable; 1280 boolean longClickable = focusable; 1281 1282 n = a.getIndexCount(); 1283 for (int i = 0; i < n; i++) { 1284 int attr = a.getIndex(i); 1285 1286 switch (attr) { 1287 case com.android.internal.R.styleable.View_focusable: 1288 focusable = a.getBoolean(attr, focusable); 1289 break; 1290 1291 case com.android.internal.R.styleable.View_clickable: 1292 clickable = a.getBoolean(attr, clickable); 1293 break; 1294 1295 case com.android.internal.R.styleable.View_longClickable: 1296 longClickable = a.getBoolean(attr, longClickable); 1297 break; 1298 } 1299 } 1300 a.recycle(); 1301 1302 setFocusable(focusable); 1303 setClickable(clickable); 1304 setLongClickable(longClickable); 1305 1306 if (mEditor != null) mEditor.prepareCursorControllers(); 1307 1308 // If not explicitly specified this view is important for accessibility. 1309 if (getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 1310 setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 1311 } 1312 } 1313 1314 private void setTypefaceFromAttrs(String familyName, int typefaceIndex, int styleIndex) { 1315 Typeface tf = null; 1316 if (familyName != null) { 1317 tf = Typeface.create(familyName, styleIndex); 1318 if (tf != null) { 1319 setTypeface(tf); 1320 return; 1321 } 1322 } 1323 switch (typefaceIndex) { 1324 case SANS: 1325 tf = Typeface.SANS_SERIF; 1326 break; 1327 1328 case SERIF: 1329 tf = Typeface.SERIF; 1330 break; 1331 1332 case MONOSPACE: 1333 tf = Typeface.MONOSPACE; 1334 break; 1335 } 1336 1337 setTypeface(tf, styleIndex); 1338 } 1339 1340 private void setRelativeDrawablesIfNeeded(Drawable start, Drawable end) { 1341 boolean hasRelativeDrawables = (start != null) || (end != null); 1342 if (hasRelativeDrawables) { 1343 Drawables dr = mDrawables; 1344 if (dr == null) { 1345 mDrawables = dr = new Drawables(getContext()); 1346 } 1347 mDrawables.mOverride = true; 1348 final Rect compoundRect = dr.mCompoundRect; 1349 int[] state = getDrawableState(); 1350 if (start != null) { 1351 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 1352 start.setState(state); 1353 start.copyBounds(compoundRect); 1354 start.setCallback(this); 1355 1356 dr.mDrawableStart = start; 1357 dr.mDrawableSizeStart = compoundRect.width(); 1358 dr.mDrawableHeightStart = compoundRect.height(); 1359 } else { 1360 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 1361 } 1362 if (end != null) { 1363 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 1364 end.setState(state); 1365 end.copyBounds(compoundRect); 1366 end.setCallback(this); 1367 1368 dr.mDrawableEnd = end; 1369 dr.mDrawableSizeEnd = compoundRect.width(); 1370 dr.mDrawableHeightEnd = compoundRect.height(); 1371 } else { 1372 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 1373 } 1374 } 1375 } 1376 1377 @Override 1378 public void setEnabled(boolean enabled) { 1379 if (enabled == isEnabled()) { 1380 return; 1381 } 1382 1383 if (!enabled) { 1384 // Hide the soft input if the currently active TextView is disabled 1385 InputMethodManager imm = InputMethodManager.peekInstance(); 1386 if (imm != null && imm.isActive(this)) { 1387 imm.hideSoftInputFromWindow(getWindowToken(), 0); 1388 } 1389 } 1390 1391 super.setEnabled(enabled); 1392 1393 if (enabled) { 1394 // Make sure IME is updated with current editor info. 1395 InputMethodManager imm = InputMethodManager.peekInstance(); 1396 if (imm != null) imm.restartInput(this); 1397 } 1398 1399 // Will change text color 1400 if (mEditor != null) { 1401 mEditor.invalidateTextDisplayList(); 1402 mEditor.prepareCursorControllers(); 1403 1404 // start or stop the cursor blinking as appropriate 1405 mEditor.makeBlink(); 1406 } 1407 } 1408 1409 /** 1410 * Sets the typeface and style in which the text should be displayed, 1411 * and turns on the fake bold and italic bits in the Paint if the 1412 * Typeface that you provided does not have all the bits in the 1413 * style that you specified. 1414 * 1415 * @attr ref android.R.styleable#TextView_typeface 1416 * @attr ref android.R.styleable#TextView_textStyle 1417 */ 1418 public void setTypeface(Typeface tf, int style) { 1419 if (style > 0) { 1420 if (tf == null) { 1421 tf = Typeface.defaultFromStyle(style); 1422 } else { 1423 tf = Typeface.create(tf, style); 1424 } 1425 1426 setTypeface(tf); 1427 // now compute what (if any) algorithmic styling is needed 1428 int typefaceStyle = tf != null ? tf.getStyle() : 0; 1429 int need = style & ~typefaceStyle; 1430 mTextPaint.setFakeBoldText((need & Typeface.BOLD) != 0); 1431 mTextPaint.setTextSkewX((need & Typeface.ITALIC) != 0 ? -0.25f : 0); 1432 } else { 1433 mTextPaint.setFakeBoldText(false); 1434 mTextPaint.setTextSkewX(0); 1435 setTypeface(tf); 1436 } 1437 } 1438 1439 /** 1440 * Subclasses override this to specify that they have a KeyListener 1441 * by default even if not specifically called for in the XML options. 1442 */ 1443 protected boolean getDefaultEditable() { 1444 return false; 1445 } 1446 1447 /** 1448 * Subclasses override this to specify a default movement method. 1449 */ 1450 protected MovementMethod getDefaultMovementMethod() { 1451 return null; 1452 } 1453 1454 /** 1455 * Return the text the TextView is displaying. If setText() was called with 1456 * an argument of BufferType.SPANNABLE or BufferType.EDITABLE, you can cast 1457 * the return value from this method to Spannable or Editable, respectively. 1458 * 1459 * Note: The content of the return value should not be modified. If you want 1460 * a modifiable one, you should make your own copy first. 1461 * 1462 * @attr ref android.R.styleable#TextView_text 1463 */ 1464 @ViewDebug.CapturedViewProperty 1465 public CharSequence getText() { 1466 return mText; 1467 } 1468 1469 /** 1470 * Returns the length, in characters, of the text managed by this TextView 1471 */ 1472 public int length() { 1473 return mText.length(); 1474 } 1475 1476 /** 1477 * Return the text the TextView is displaying as an Editable object. If 1478 * the text is not editable, null is returned. 1479 * 1480 * @see #getText 1481 */ 1482 public Editable getEditableText() { 1483 return (mText instanceof Editable) ? (Editable)mText : null; 1484 } 1485 1486 /** 1487 * @return the height of one standard line in pixels. Note that markup 1488 * within the text can cause individual lines to be taller or shorter 1489 * than this height, and the layout may contain additional first- 1490 * or last-line padding. 1491 */ 1492 public int getLineHeight() { 1493 return FastMath.round(mTextPaint.getFontMetricsInt(null) * mSpacingMult + mSpacingAdd); 1494 } 1495 1496 /** 1497 * @return the Layout that is currently being used to display the text. 1498 * This can be null if the text or width has recently changes. 1499 */ 1500 public final Layout getLayout() { 1501 return mLayout; 1502 } 1503 1504 /** 1505 * @return the Layout that is currently being used to display the hint text. 1506 * This can be null. 1507 */ 1508 final Layout getHintLayout() { 1509 return mHintLayout; 1510 } 1511 1512 /** 1513 * @return the current key listener for this TextView. 1514 * This will frequently be null for non-EditText TextViews. 1515 * 1516 * @attr ref android.R.styleable#TextView_numeric 1517 * @attr ref android.R.styleable#TextView_digits 1518 * @attr ref android.R.styleable#TextView_phoneNumber 1519 * @attr ref android.R.styleable#TextView_inputMethod 1520 * @attr ref android.R.styleable#TextView_capitalize 1521 * @attr ref android.R.styleable#TextView_autoText 1522 */ 1523 public final KeyListener getKeyListener() { 1524 return mEditor == null ? null : mEditor.mKeyListener; 1525 } 1526 1527 /** 1528 * Sets the key listener to be used with this TextView. This can be null 1529 * to disallow user input. Note that this method has significant and 1530 * subtle interactions with soft keyboards and other input method: 1531 * see {@link KeyListener#getInputType() KeyListener.getContentType()} 1532 * for important details. Calling this method will replace the current 1533 * content type of the text view with the content type returned by the 1534 * key listener. 1535 * <p> 1536 * Be warned that if you want a TextView with a key listener or movement 1537 * method not to be focusable, or if you want a TextView without a 1538 * key listener or movement method to be focusable, you must call 1539 * {@link #setFocusable} again after calling this to get the focusability 1540 * back the way you want it. 1541 * 1542 * @attr ref android.R.styleable#TextView_numeric 1543 * @attr ref android.R.styleable#TextView_digits 1544 * @attr ref android.R.styleable#TextView_phoneNumber 1545 * @attr ref android.R.styleable#TextView_inputMethod 1546 * @attr ref android.R.styleable#TextView_capitalize 1547 * @attr ref android.R.styleable#TextView_autoText 1548 */ 1549 public void setKeyListener(KeyListener input) { 1550 setKeyListenerOnly(input); 1551 fixFocusableAndClickableSettings(); 1552 1553 if (input != null) { 1554 createEditorIfNeeded(); 1555 try { 1556 mEditor.mInputType = mEditor.mKeyListener.getInputType(); 1557 } catch (IncompatibleClassChangeError e) { 1558 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1559 } 1560 // Change inputType, without affecting transformation. 1561 // No need to applySingleLine since mSingleLine is unchanged. 1562 setInputTypeSingleLine(mSingleLine); 1563 } else { 1564 if (mEditor != null) mEditor.mInputType = EditorInfo.TYPE_NULL; 1565 } 1566 1567 InputMethodManager imm = InputMethodManager.peekInstance(); 1568 if (imm != null) imm.restartInput(this); 1569 } 1570 1571 private void setKeyListenerOnly(KeyListener input) { 1572 if (mEditor == null && input == null) return; // null is the default value 1573 1574 createEditorIfNeeded(); 1575 if (mEditor.mKeyListener != input) { 1576 mEditor.mKeyListener = input; 1577 if (input != null && !(mText instanceof Editable)) { 1578 setText(mText); 1579 } 1580 1581 setFilters((Editable) mText, mFilters); 1582 } 1583 } 1584 1585 /** 1586 * @return the movement method being used for this TextView. 1587 * This will frequently be null for non-EditText TextViews. 1588 */ 1589 public final MovementMethod getMovementMethod() { 1590 return mMovement; 1591 } 1592 1593 /** 1594 * Sets the movement method (arrow key handler) to be used for 1595 * this TextView. This can be null to disallow using the arrow keys 1596 * to move the cursor or scroll the view. 1597 * <p> 1598 * Be warned that if you want a TextView with a key listener or movement 1599 * method not to be focusable, or if you want a TextView without a 1600 * key listener or movement method to be focusable, you must call 1601 * {@link #setFocusable} again after calling this to get the focusability 1602 * back the way you want it. 1603 */ 1604 public final void setMovementMethod(MovementMethod movement) { 1605 if (mMovement != movement) { 1606 mMovement = movement; 1607 1608 if (movement != null && !(mText instanceof Spannable)) { 1609 setText(mText); 1610 } 1611 1612 fixFocusableAndClickableSettings(); 1613 1614 // SelectionModifierCursorController depends on textCanBeSelected, which depends on 1615 // mMovement 1616 if (mEditor != null) mEditor.prepareCursorControllers(); 1617 } 1618 } 1619 1620 private void fixFocusableAndClickableSettings() { 1621 if (mMovement != null || (mEditor != null && mEditor.mKeyListener != null)) { 1622 setFocusable(true); 1623 setClickable(true); 1624 setLongClickable(true); 1625 } else { 1626 setFocusable(false); 1627 setClickable(false); 1628 setLongClickable(false); 1629 } 1630 } 1631 1632 /** 1633 * @return the current transformation method for this TextView. 1634 * This will frequently be null except for single-line and password 1635 * fields. 1636 * 1637 * @attr ref android.R.styleable#TextView_password 1638 * @attr ref android.R.styleable#TextView_singleLine 1639 */ 1640 public final TransformationMethod getTransformationMethod() { 1641 return mTransformation; 1642 } 1643 1644 /** 1645 * Sets the transformation that is applied to the text that this 1646 * TextView is displaying. 1647 * 1648 * @attr ref android.R.styleable#TextView_password 1649 * @attr ref android.R.styleable#TextView_singleLine 1650 */ 1651 public final void setTransformationMethod(TransformationMethod method) { 1652 if (method == mTransformation) { 1653 // Avoid the setText() below if the transformation is 1654 // the same. 1655 return; 1656 } 1657 if (mTransformation != null) { 1658 if (mText instanceof Spannable) { 1659 ((Spannable) mText).removeSpan(mTransformation); 1660 } 1661 } 1662 1663 mTransformation = method; 1664 1665 if (method instanceof TransformationMethod2) { 1666 TransformationMethod2 method2 = (TransformationMethod2) method; 1667 mAllowTransformationLengthChange = !isTextSelectable() && !(mText instanceof Editable); 1668 method2.setLengthChangesAllowed(mAllowTransformationLengthChange); 1669 } else { 1670 mAllowTransformationLengthChange = false; 1671 } 1672 1673 setText(mText); 1674 1675 if (hasPasswordTransformationMethod()) { 1676 notifyAccessibilityStateChanged(); 1677 } 1678 } 1679 1680 /** 1681 * Returns the top padding of the view, plus space for the top 1682 * Drawable if any. 1683 */ 1684 public int getCompoundPaddingTop() { 1685 final Drawables dr = mDrawables; 1686 if (dr == null || dr.mDrawableTop == null) { 1687 return mPaddingTop; 1688 } else { 1689 return mPaddingTop + dr.mDrawablePadding + dr.mDrawableSizeTop; 1690 } 1691 } 1692 1693 /** 1694 * Returns the bottom padding of the view, plus space for the bottom 1695 * Drawable if any. 1696 */ 1697 public int getCompoundPaddingBottom() { 1698 final Drawables dr = mDrawables; 1699 if (dr == null || dr.mDrawableBottom == null) { 1700 return mPaddingBottom; 1701 } else { 1702 return mPaddingBottom + dr.mDrawablePadding + dr.mDrawableSizeBottom; 1703 } 1704 } 1705 1706 /** 1707 * Returns the left padding of the view, plus space for the left 1708 * Drawable if any. 1709 */ 1710 public int getCompoundPaddingLeft() { 1711 final Drawables dr = mDrawables; 1712 if (dr == null || dr.mDrawableLeft == null) { 1713 return mPaddingLeft; 1714 } else { 1715 return mPaddingLeft + dr.mDrawablePadding + dr.mDrawableSizeLeft; 1716 } 1717 } 1718 1719 /** 1720 * Returns the right padding of the view, plus space for the right 1721 * Drawable if any. 1722 */ 1723 public int getCompoundPaddingRight() { 1724 final Drawables dr = mDrawables; 1725 if (dr == null || dr.mDrawableRight == null) { 1726 return mPaddingRight; 1727 } else { 1728 return mPaddingRight + dr.mDrawablePadding + dr.mDrawableSizeRight; 1729 } 1730 } 1731 1732 /** 1733 * Returns the start padding of the view, plus space for the start 1734 * Drawable if any. 1735 */ 1736 public int getCompoundPaddingStart() { 1737 resolveDrawables(); 1738 switch(getLayoutDirection()) { 1739 default: 1740 case LAYOUT_DIRECTION_LTR: 1741 return getCompoundPaddingLeft(); 1742 case LAYOUT_DIRECTION_RTL: 1743 return getCompoundPaddingRight(); 1744 } 1745 } 1746 1747 /** 1748 * Returns the end padding of the view, plus space for the end 1749 * Drawable if any. 1750 */ 1751 public int getCompoundPaddingEnd() { 1752 resolveDrawables(); 1753 switch(getLayoutDirection()) { 1754 default: 1755 case LAYOUT_DIRECTION_LTR: 1756 return getCompoundPaddingRight(); 1757 case LAYOUT_DIRECTION_RTL: 1758 return getCompoundPaddingLeft(); 1759 } 1760 } 1761 1762 /** 1763 * Returns the extended top padding of the view, including both the 1764 * top Drawable if any and any extra space to keep more than maxLines 1765 * of text from showing. It is only valid to call this after measuring. 1766 */ 1767 public int getExtendedPaddingTop() { 1768 if (mMaxMode != LINES) { 1769 return getCompoundPaddingTop(); 1770 } 1771 1772 if (mLayout.getLineCount() <= mMaximum) { 1773 return getCompoundPaddingTop(); 1774 } 1775 1776 int top = getCompoundPaddingTop(); 1777 int bottom = getCompoundPaddingBottom(); 1778 int viewht = getHeight() - top - bottom; 1779 int layoutht = mLayout.getLineTop(mMaximum); 1780 1781 if (layoutht >= viewht) { 1782 return top; 1783 } 1784 1785 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1786 if (gravity == Gravity.TOP) { 1787 return top; 1788 } else if (gravity == Gravity.BOTTOM) { 1789 return top + viewht - layoutht; 1790 } else { // (gravity == Gravity.CENTER_VERTICAL) 1791 return top + (viewht - layoutht) / 2; 1792 } 1793 } 1794 1795 /** 1796 * Returns the extended bottom padding of the view, including both the 1797 * bottom Drawable if any and any extra space to keep more than maxLines 1798 * of text from showing. It is only valid to call this after measuring. 1799 */ 1800 public int getExtendedPaddingBottom() { 1801 if (mMaxMode != LINES) { 1802 return getCompoundPaddingBottom(); 1803 } 1804 1805 if (mLayout.getLineCount() <= mMaximum) { 1806 return getCompoundPaddingBottom(); 1807 } 1808 1809 int top = getCompoundPaddingTop(); 1810 int bottom = getCompoundPaddingBottom(); 1811 int viewht = getHeight() - top - bottom; 1812 int layoutht = mLayout.getLineTop(mMaximum); 1813 1814 if (layoutht >= viewht) { 1815 return bottom; 1816 } 1817 1818 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1819 if (gravity == Gravity.TOP) { 1820 return bottom + viewht - layoutht; 1821 } else if (gravity == Gravity.BOTTOM) { 1822 return bottom; 1823 } else { // (gravity == Gravity.CENTER_VERTICAL) 1824 return bottom + (viewht - layoutht) / 2; 1825 } 1826 } 1827 1828 /** 1829 * Returns the total left padding of the view, including the left 1830 * Drawable if any. 1831 */ 1832 public int getTotalPaddingLeft() { 1833 return getCompoundPaddingLeft(); 1834 } 1835 1836 /** 1837 * Returns the total right padding of the view, including the right 1838 * Drawable if any. 1839 */ 1840 public int getTotalPaddingRight() { 1841 return getCompoundPaddingRight(); 1842 } 1843 1844 /** 1845 * Returns the total start padding of the view, including the start 1846 * Drawable if any. 1847 */ 1848 public int getTotalPaddingStart() { 1849 return getCompoundPaddingStart(); 1850 } 1851 1852 /** 1853 * Returns the total end padding of the view, including the end 1854 * Drawable if any. 1855 */ 1856 public int getTotalPaddingEnd() { 1857 return getCompoundPaddingEnd(); 1858 } 1859 1860 /** 1861 * Returns the total top padding of the view, including the top 1862 * Drawable if any, the extra space to keep more than maxLines 1863 * from showing, and the vertical offset for gravity, if any. 1864 */ 1865 public int getTotalPaddingTop() { 1866 return getExtendedPaddingTop() + getVerticalOffset(true); 1867 } 1868 1869 /** 1870 * Returns the total bottom padding of the view, including the bottom 1871 * Drawable if any, the extra space to keep more than maxLines 1872 * from showing, and the vertical offset for gravity, if any. 1873 */ 1874 public int getTotalPaddingBottom() { 1875 return getExtendedPaddingBottom() + getBottomVerticalOffset(true); 1876 } 1877 1878 /** 1879 * Sets the Drawables (if any) to appear to the left of, above, 1880 * to the right of, and below the text. Use null if you do not 1881 * want a Drawable there. The Drawables must already have had 1882 * {@link Drawable#setBounds} called. 1883 * 1884 * @attr ref android.R.styleable#TextView_drawableLeft 1885 * @attr ref android.R.styleable#TextView_drawableTop 1886 * @attr ref android.R.styleable#TextView_drawableRight 1887 * @attr ref android.R.styleable#TextView_drawableBottom 1888 */ 1889 public void setCompoundDrawables(Drawable left, Drawable top, 1890 Drawable right, Drawable bottom) { 1891 Drawables dr = mDrawables; 1892 1893 final boolean drawables = left != null || top != null 1894 || right != null || bottom != null; 1895 1896 if (!drawables) { 1897 // Clearing drawables... can we free the data structure? 1898 if (dr != null) { 1899 if (dr.mDrawablePadding == 0) { 1900 mDrawables = null; 1901 } else { 1902 // We need to retain the last set padding, so just clear 1903 // out all of the fields in the existing structure. 1904 if (dr.mDrawableLeft != null) dr.mDrawableLeft.setCallback(null); 1905 dr.mDrawableLeft = null; 1906 if (dr.mDrawableTop != null) dr.mDrawableTop.setCallback(null); 1907 dr.mDrawableTop = null; 1908 if (dr.mDrawableRight != null) dr.mDrawableRight.setCallback(null); 1909 dr.mDrawableRight = null; 1910 if (dr.mDrawableBottom != null) dr.mDrawableBottom.setCallback(null); 1911 dr.mDrawableBottom = null; 1912 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 1913 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 1914 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 1915 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 1916 } 1917 } 1918 } else { 1919 if (dr == null) { 1920 mDrawables = dr = new Drawables(getContext()); 1921 } 1922 1923 mDrawables.mOverride = false; 1924 1925 if (dr.mDrawableLeft != left && dr.mDrawableLeft != null) { 1926 dr.mDrawableLeft.setCallback(null); 1927 } 1928 dr.mDrawableLeft = left; 1929 1930 if (dr.mDrawableTop != top && dr.mDrawableTop != null) { 1931 dr.mDrawableTop.setCallback(null); 1932 } 1933 dr.mDrawableTop = top; 1934 1935 if (dr.mDrawableRight != right && dr.mDrawableRight != null) { 1936 dr.mDrawableRight.setCallback(null); 1937 } 1938 dr.mDrawableRight = right; 1939 1940 if (dr.mDrawableBottom != bottom && dr.mDrawableBottom != null) { 1941 dr.mDrawableBottom.setCallback(null); 1942 } 1943 dr.mDrawableBottom = bottom; 1944 1945 final Rect compoundRect = dr.mCompoundRect; 1946 int[] state; 1947 1948 state = getDrawableState(); 1949 1950 if (left != null) { 1951 left.setState(state); 1952 left.copyBounds(compoundRect); 1953 left.setCallback(this); 1954 dr.mDrawableSizeLeft = compoundRect.width(); 1955 dr.mDrawableHeightLeft = compoundRect.height(); 1956 } else { 1957 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 1958 } 1959 1960 if (right != null) { 1961 right.setState(state); 1962 right.copyBounds(compoundRect); 1963 right.setCallback(this); 1964 dr.mDrawableSizeRight = compoundRect.width(); 1965 dr.mDrawableHeightRight = compoundRect.height(); 1966 } else { 1967 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 1968 } 1969 1970 if (top != null) { 1971 top.setState(state); 1972 top.copyBounds(compoundRect); 1973 top.setCallback(this); 1974 dr.mDrawableSizeTop = compoundRect.height(); 1975 dr.mDrawableWidthTop = compoundRect.width(); 1976 } else { 1977 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 1978 } 1979 1980 if (bottom != null) { 1981 bottom.setState(state); 1982 bottom.copyBounds(compoundRect); 1983 bottom.setCallback(this); 1984 dr.mDrawableSizeBottom = compoundRect.height(); 1985 dr.mDrawableWidthBottom = compoundRect.width(); 1986 } else { 1987 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 1988 } 1989 } 1990 1991 // Save initial left/right drawables 1992 if (dr != null) { 1993 dr.mDrawableLeftInitial = left; 1994 dr.mDrawableRightInitial = right; 1995 } 1996 1997 invalidate(); 1998 requestLayout(); 1999 } 2000 2001 /** 2002 * Sets the Drawables (if any) to appear to the left of, above, 2003 * to the right of, and below the text. Use 0 if you do not 2004 * want a Drawable there. The Drawables' bounds will be set to 2005 * their intrinsic bounds. 2006 * 2007 * @param left Resource identifier of the left Drawable. 2008 * @param top Resource identifier of the top Drawable. 2009 * @param right Resource identifier of the right Drawable. 2010 * @param bottom Resource identifier of the bottom Drawable. 2011 * 2012 * @attr ref android.R.styleable#TextView_drawableLeft 2013 * @attr ref android.R.styleable#TextView_drawableTop 2014 * @attr ref android.R.styleable#TextView_drawableRight 2015 * @attr ref android.R.styleable#TextView_drawableBottom 2016 */ 2017 @android.view.RemotableViewMethod 2018 public void setCompoundDrawablesWithIntrinsicBounds(int left, int top, int right, int bottom) { 2019 final Resources resources = getContext().getResources(); 2020 setCompoundDrawablesWithIntrinsicBounds(left != 0 ? resources.getDrawable(left) : null, 2021 top != 0 ? resources.getDrawable(top) : null, 2022 right != 0 ? resources.getDrawable(right) : null, 2023 bottom != 0 ? resources.getDrawable(bottom) : null); 2024 } 2025 2026 /** 2027 * Sets the Drawables (if any) to appear to the left of, above, 2028 * to the right of, and below the text. Use null if you do not 2029 * want a Drawable there. The Drawables' bounds will be set to 2030 * their intrinsic bounds. 2031 * 2032 * @attr ref android.R.styleable#TextView_drawableLeft 2033 * @attr ref android.R.styleable#TextView_drawableTop 2034 * @attr ref android.R.styleable#TextView_drawableRight 2035 * @attr ref android.R.styleable#TextView_drawableBottom 2036 */ 2037 public void setCompoundDrawablesWithIntrinsicBounds(Drawable left, Drawable top, 2038 Drawable right, Drawable bottom) { 2039 2040 if (left != null) { 2041 left.setBounds(0, 0, left.getIntrinsicWidth(), left.getIntrinsicHeight()); 2042 } 2043 if (right != null) { 2044 right.setBounds(0, 0, right.getIntrinsicWidth(), right.getIntrinsicHeight()); 2045 } 2046 if (top != null) { 2047 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2048 } 2049 if (bottom != null) { 2050 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2051 } 2052 setCompoundDrawables(left, top, right, bottom); 2053 } 2054 2055 /** 2056 * Sets the Drawables (if any) to appear to the start of, above, 2057 * to the end of, and below the text. Use null if you do not 2058 * want a Drawable there. The Drawables must already have had 2059 * {@link Drawable#setBounds} called. 2060 * 2061 * @attr ref android.R.styleable#TextView_drawableStart 2062 * @attr ref android.R.styleable#TextView_drawableTop 2063 * @attr ref android.R.styleable#TextView_drawableEnd 2064 * @attr ref android.R.styleable#TextView_drawableBottom 2065 */ 2066 public void setCompoundDrawablesRelative(Drawable start, Drawable top, 2067 Drawable end, Drawable bottom) { 2068 Drawables dr = mDrawables; 2069 2070 final boolean drawables = start != null || top != null 2071 || end != null || bottom != null; 2072 2073 if (!drawables) { 2074 // Clearing drawables... can we free the data structure? 2075 if (dr != null) { 2076 if (dr.mDrawablePadding == 0) { 2077 mDrawables = null; 2078 } else { 2079 // We need to retain the last set padding, so just clear 2080 // out all of the fields in the existing structure. 2081 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2082 dr.mDrawableStart = null; 2083 if (dr.mDrawableTop != null) dr.mDrawableTop.setCallback(null); 2084 dr.mDrawableTop = null; 2085 if (dr.mDrawableEnd != null) dr.mDrawableEnd.setCallback(null); 2086 dr.mDrawableEnd = null; 2087 if (dr.mDrawableBottom != null) dr.mDrawableBottom.setCallback(null); 2088 dr.mDrawableBottom = null; 2089 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2090 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2091 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2092 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2093 } 2094 } 2095 } else { 2096 if (dr == null) { 2097 mDrawables = dr = new Drawables(getContext()); 2098 } 2099 2100 mDrawables.mOverride = true; 2101 2102 if (dr.mDrawableStart != start && dr.mDrawableStart != null) { 2103 dr.mDrawableStart.setCallback(null); 2104 } 2105 dr.mDrawableStart = start; 2106 2107 if (dr.mDrawableTop != top && dr.mDrawableTop != null) { 2108 dr.mDrawableTop.setCallback(null); 2109 } 2110 dr.mDrawableTop = top; 2111 2112 if (dr.mDrawableEnd != end && dr.mDrawableEnd != null) { 2113 dr.mDrawableEnd.setCallback(null); 2114 } 2115 dr.mDrawableEnd = end; 2116 2117 if (dr.mDrawableBottom != bottom && dr.mDrawableBottom != null) { 2118 dr.mDrawableBottom.setCallback(null); 2119 } 2120 dr.mDrawableBottom = bottom; 2121 2122 final Rect compoundRect = dr.mCompoundRect; 2123 int[] state; 2124 2125 state = getDrawableState(); 2126 2127 if (start != null) { 2128 start.setState(state); 2129 start.copyBounds(compoundRect); 2130 start.setCallback(this); 2131 dr.mDrawableSizeStart = compoundRect.width(); 2132 dr.mDrawableHeightStart = compoundRect.height(); 2133 } else { 2134 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2135 } 2136 2137 if (end != null) { 2138 end.setState(state); 2139 end.copyBounds(compoundRect); 2140 end.setCallback(this); 2141 dr.mDrawableSizeEnd = compoundRect.width(); 2142 dr.mDrawableHeightEnd = compoundRect.height(); 2143 } else { 2144 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2145 } 2146 2147 if (top != null) { 2148 top.setState(state); 2149 top.copyBounds(compoundRect); 2150 top.setCallback(this); 2151 dr.mDrawableSizeTop = compoundRect.height(); 2152 dr.mDrawableWidthTop = compoundRect.width(); 2153 } else { 2154 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2155 } 2156 2157 if (bottom != null) { 2158 bottom.setState(state); 2159 bottom.copyBounds(compoundRect); 2160 bottom.setCallback(this); 2161 dr.mDrawableSizeBottom = compoundRect.height(); 2162 dr.mDrawableWidthBottom = compoundRect.width(); 2163 } else { 2164 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2165 } 2166 } 2167 2168 resetResolvedDrawables(); 2169 resolveDrawables(); 2170 invalidate(); 2171 requestLayout(); 2172 } 2173 2174 /** 2175 * Sets the Drawables (if any) to appear to the start of, above, 2176 * to the end of, and below the text. Use 0 if you do not 2177 * want a Drawable there. The Drawables' bounds will be set to 2178 * their intrinsic bounds. 2179 * 2180 * @param start Resource identifier of the start Drawable. 2181 * @param top Resource identifier of the top Drawable. 2182 * @param end Resource identifier of the end Drawable. 2183 * @param bottom Resource identifier of the bottom Drawable. 2184 * 2185 * @attr ref android.R.styleable#TextView_drawableStart 2186 * @attr ref android.R.styleable#TextView_drawableTop 2187 * @attr ref android.R.styleable#TextView_drawableEnd 2188 * @attr ref android.R.styleable#TextView_drawableBottom 2189 */ 2190 @android.view.RemotableViewMethod 2191 public void setCompoundDrawablesRelativeWithIntrinsicBounds(int start, int top, int end, 2192 int bottom) { 2193 final Resources resources = getContext().getResources(); 2194 setCompoundDrawablesRelativeWithIntrinsicBounds( 2195 start != 0 ? resources.getDrawable(start) : null, 2196 top != 0 ? resources.getDrawable(top) : null, 2197 end != 0 ? resources.getDrawable(end) : null, 2198 bottom != 0 ? resources.getDrawable(bottom) : null); 2199 } 2200 2201 /** 2202 * Sets the Drawables (if any) to appear to the start of, above, 2203 * to the end of, and below the text. Use null if you do not 2204 * want a Drawable there. The Drawables' bounds will be set to 2205 * their intrinsic bounds. 2206 * 2207 * @attr ref android.R.styleable#TextView_drawableStart 2208 * @attr ref android.R.styleable#TextView_drawableTop 2209 * @attr ref android.R.styleable#TextView_drawableEnd 2210 * @attr ref android.R.styleable#TextView_drawableBottom 2211 */ 2212 public void setCompoundDrawablesRelativeWithIntrinsicBounds(Drawable start, Drawable top, 2213 Drawable end, Drawable bottom) { 2214 2215 if (start != null) { 2216 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 2217 } 2218 if (end != null) { 2219 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 2220 } 2221 if (top != null) { 2222 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2223 } 2224 if (bottom != null) { 2225 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2226 } 2227 setCompoundDrawablesRelative(start, top, end, bottom); 2228 } 2229 2230 /** 2231 * Returns drawables for the left, top, right, and bottom borders. 2232 * 2233 * @attr ref android.R.styleable#TextView_drawableLeft 2234 * @attr ref android.R.styleable#TextView_drawableTop 2235 * @attr ref android.R.styleable#TextView_drawableRight 2236 * @attr ref android.R.styleable#TextView_drawableBottom 2237 */ 2238 public Drawable[] getCompoundDrawables() { 2239 final Drawables dr = mDrawables; 2240 if (dr != null) { 2241 return new Drawable[] { 2242 dr.mDrawableLeft, dr.mDrawableTop, dr.mDrawableRight, dr.mDrawableBottom 2243 }; 2244 } else { 2245 return new Drawable[] { null, null, null, null }; 2246 } 2247 } 2248 2249 /** 2250 * Returns drawables for the start, top, end, and bottom borders. 2251 * 2252 * @attr ref android.R.styleable#TextView_drawableStart 2253 * @attr ref android.R.styleable#TextView_drawableTop 2254 * @attr ref android.R.styleable#TextView_drawableEnd 2255 * @attr ref android.R.styleable#TextView_drawableBottom 2256 */ 2257 public Drawable[] getCompoundDrawablesRelative() { 2258 final Drawables dr = mDrawables; 2259 if (dr != null) { 2260 return new Drawable[] { 2261 dr.mDrawableStart, dr.mDrawableTop, dr.mDrawableEnd, dr.mDrawableBottom 2262 }; 2263 } else { 2264 return new Drawable[] { null, null, null, null }; 2265 } 2266 } 2267 2268 /** 2269 * Sets the size of the padding between the compound drawables and 2270 * the text. 2271 * 2272 * @attr ref android.R.styleable#TextView_drawablePadding 2273 */ 2274 @android.view.RemotableViewMethod 2275 public void setCompoundDrawablePadding(int pad) { 2276 Drawables dr = mDrawables; 2277 if (pad == 0) { 2278 if (dr != null) { 2279 dr.mDrawablePadding = pad; 2280 } 2281 } else { 2282 if (dr == null) { 2283 mDrawables = dr = new Drawables(getContext()); 2284 } 2285 dr.mDrawablePadding = pad; 2286 } 2287 2288 invalidate(); 2289 requestLayout(); 2290 } 2291 2292 /** 2293 * Returns the padding between the compound drawables and the text. 2294 * 2295 * @attr ref android.R.styleable#TextView_drawablePadding 2296 */ 2297 public int getCompoundDrawablePadding() { 2298 final Drawables dr = mDrawables; 2299 return dr != null ? dr.mDrawablePadding : 0; 2300 } 2301 2302 @Override 2303 public void setPadding(int left, int top, int right, int bottom) { 2304 if (left != mPaddingLeft || 2305 right != mPaddingRight || 2306 top != mPaddingTop || 2307 bottom != mPaddingBottom) { 2308 nullLayouts(); 2309 } 2310 2311 // the super call will requestLayout() 2312 super.setPadding(left, top, right, bottom); 2313 invalidate(); 2314 } 2315 2316 @Override 2317 public void setPaddingRelative(int start, int top, int end, int bottom) { 2318 if (start != getPaddingStart() || 2319 end != getPaddingEnd() || 2320 top != mPaddingTop || 2321 bottom != mPaddingBottom) { 2322 nullLayouts(); 2323 } 2324 2325 // the super call will requestLayout() 2326 super.setPaddingRelative(start, top, end, bottom); 2327 invalidate(); 2328 } 2329 2330 /** 2331 * Gets the autolink mask of the text. See {@link 2332 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 2333 * possible values. 2334 * 2335 * @attr ref android.R.styleable#TextView_autoLink 2336 */ 2337 public final int getAutoLinkMask() { 2338 return mAutoLinkMask; 2339 } 2340 2341 /** 2342 * Sets the text color, size, style, hint color, and highlight color 2343 * from the specified TextAppearance resource. 2344 */ 2345 public void setTextAppearance(Context context, int resid) { 2346 TypedArray appearance = 2347 context.obtainStyledAttributes(resid, 2348 com.android.internal.R.styleable.TextAppearance); 2349 2350 int color; 2351 ColorStateList colors; 2352 int ts; 2353 2354 color = appearance.getColor( 2355 com.android.internal.R.styleable.TextAppearance_textColorHighlight, 0); 2356 if (color != 0) { 2357 setHighlightColor(color); 2358 } 2359 2360 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2361 TextAppearance_textColor); 2362 if (colors != null) { 2363 setTextColor(colors); 2364 } 2365 2366 ts = appearance.getDimensionPixelSize(com.android.internal.R.styleable. 2367 TextAppearance_textSize, 0); 2368 if (ts != 0) { 2369 setRawTextSize(ts); 2370 } 2371 2372 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2373 TextAppearance_textColorHint); 2374 if (colors != null) { 2375 setHintTextColor(colors); 2376 } 2377 2378 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2379 TextAppearance_textColorLink); 2380 if (colors != null) { 2381 setLinkTextColor(colors); 2382 } 2383 2384 String familyName; 2385 int typefaceIndex, styleIndex; 2386 2387 familyName = appearance.getString(com.android.internal.R.styleable. 2388 TextAppearance_fontFamily); 2389 typefaceIndex = appearance.getInt(com.android.internal.R.styleable. 2390 TextAppearance_typeface, -1); 2391 styleIndex = appearance.getInt(com.android.internal.R.styleable. 2392 TextAppearance_textStyle, -1); 2393 2394 setTypefaceFromAttrs(familyName, typefaceIndex, styleIndex); 2395 2396 final int shadowcolor = appearance.getInt( 2397 com.android.internal.R.styleable.TextAppearance_shadowColor, 0); 2398 if (shadowcolor != 0) { 2399 final float dx = appearance.getFloat( 2400 com.android.internal.R.styleable.TextAppearance_shadowDx, 0); 2401 final float dy = appearance.getFloat( 2402 com.android.internal.R.styleable.TextAppearance_shadowDy, 0); 2403 final float r = appearance.getFloat( 2404 com.android.internal.R.styleable.TextAppearance_shadowRadius, 0); 2405 2406 setShadowLayer(r, dx, dy, shadowcolor); 2407 } 2408 2409 if (appearance.getBoolean(com.android.internal.R.styleable.TextAppearance_textAllCaps, 2410 false)) { 2411 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 2412 } 2413 2414 appearance.recycle(); 2415 } 2416 2417 /** 2418 * Get the default {@link Locale} of the text in this TextView. 2419 * @return the default {@link Locale} of the text in this TextView. 2420 */ 2421 public Locale getTextLocale() { 2422 return mTextPaint.getTextLocale(); 2423 } 2424 2425 /** 2426 * Set the default {@link Locale} of the text in this TextView to the given value. This value 2427 * is used to choose appropriate typefaces for ambiguous characters. Typically used for CJK 2428 * locales to disambiguate Hanzi/Kanji/Hanja characters. 2429 * 2430 * @param locale the {@link Locale} for drawing text, must not be null. 2431 * 2432 * @see Paint#setTextLocale 2433 */ 2434 public void setTextLocale(Locale locale) { 2435 mTextPaint.setTextLocale(locale); 2436 } 2437 2438 /** 2439 * @return the size (in pixels) of the default text size in this TextView. 2440 */ 2441 @ViewDebug.ExportedProperty(category = "text") 2442 public float getTextSize() { 2443 return mTextPaint.getTextSize(); 2444 } 2445 2446 /** 2447 * Set the default text size to the given value, interpreted as "scaled 2448 * pixel" units. This size is adjusted based on the current density and 2449 * user font size preference. 2450 * 2451 * @param size The scaled pixel size. 2452 * 2453 * @attr ref android.R.styleable#TextView_textSize 2454 */ 2455 @android.view.RemotableViewMethod 2456 public void setTextSize(float size) { 2457 setTextSize(TypedValue.COMPLEX_UNIT_SP, size); 2458 } 2459 2460 /** 2461 * Set the default text size to a given unit and value. See {@link 2462 * TypedValue} for the possible dimension units. 2463 * 2464 * @param unit The desired dimension unit. 2465 * @param size The desired size in the given units. 2466 * 2467 * @attr ref android.R.styleable#TextView_textSize 2468 */ 2469 public void setTextSize(int unit, float size) { 2470 Context c = getContext(); 2471 Resources r; 2472 2473 if (c == null) 2474 r = Resources.getSystem(); 2475 else 2476 r = c.getResources(); 2477 2478 setRawTextSize(TypedValue.applyDimension( 2479 unit, size, r.getDisplayMetrics())); 2480 } 2481 2482 private void setRawTextSize(float size) { 2483 if (size != mTextPaint.getTextSize()) { 2484 mTextPaint.setTextSize(size); 2485 2486 if (mLayout != null) { 2487 nullLayouts(); 2488 requestLayout(); 2489 invalidate(); 2490 } 2491 } 2492 } 2493 2494 /** 2495 * @return the extent by which text is currently being stretched 2496 * horizontally. This will usually be 1. 2497 */ 2498 public float getTextScaleX() { 2499 return mTextPaint.getTextScaleX(); 2500 } 2501 2502 /** 2503 * Sets the extent by which text should be stretched horizontally. 2504 * 2505 * @attr ref android.R.styleable#TextView_textScaleX 2506 */ 2507 @android.view.RemotableViewMethod 2508 public void setTextScaleX(float size) { 2509 if (size != mTextPaint.getTextScaleX()) { 2510 mUserSetTextScaleX = true; 2511 mTextPaint.setTextScaleX(size); 2512 2513 if (mLayout != null) { 2514 nullLayouts(); 2515 requestLayout(); 2516 invalidate(); 2517 } 2518 } 2519 } 2520 2521 /** 2522 * Sets the typeface and style in which the text should be displayed. 2523 * Note that not all Typeface families actually have bold and italic 2524 * variants, so you may need to use 2525 * {@link #setTypeface(Typeface, int)} to get the appearance 2526 * that you actually want. 2527 * 2528 * @see #getTypeface() 2529 * 2530 * @attr ref android.R.styleable#TextView_fontFamily 2531 * @attr ref android.R.styleable#TextView_typeface 2532 * @attr ref android.R.styleable#TextView_textStyle 2533 */ 2534 public void setTypeface(Typeface tf) { 2535 if (mTextPaint.getTypeface() != tf) { 2536 mTextPaint.setTypeface(tf); 2537 2538 if (mLayout != null) { 2539 nullLayouts(); 2540 requestLayout(); 2541 invalidate(); 2542 } 2543 } 2544 } 2545 2546 /** 2547 * @return the current typeface and style in which the text is being 2548 * displayed. 2549 * 2550 * @see #setTypeface(Typeface) 2551 * 2552 * @attr ref android.R.styleable#TextView_fontFamily 2553 * @attr ref android.R.styleable#TextView_typeface 2554 * @attr ref android.R.styleable#TextView_textStyle 2555 */ 2556 public Typeface getTypeface() { 2557 return mTextPaint.getTypeface(); 2558 } 2559 2560 /** 2561 * Sets the text color for all the states (normal, selected, 2562 * focused) to be this color. 2563 * 2564 * @see #setTextColor(ColorStateList) 2565 * @see #getTextColors() 2566 * 2567 * @attr ref android.R.styleable#TextView_textColor 2568 */ 2569 @android.view.RemotableViewMethod 2570 public void setTextColor(int color) { 2571 mTextColor = ColorStateList.valueOf(color); 2572 updateTextColors(); 2573 } 2574 2575 /** 2576 * Sets the text color. 2577 * 2578 * @see #setTextColor(int) 2579 * @see #getTextColors() 2580 * @see #setHintTextColor(ColorStateList) 2581 * @see #setLinkTextColor(ColorStateList) 2582 * 2583 * @attr ref android.R.styleable#TextView_textColor 2584 */ 2585 public void setTextColor(ColorStateList colors) { 2586 if (colors == null) { 2587 throw new NullPointerException(); 2588 } 2589 2590 mTextColor = colors; 2591 updateTextColors(); 2592 } 2593 2594 /** 2595 * Gets the text colors for the different states (normal, selected, focused) of the TextView. 2596 * 2597 * @see #setTextColor(ColorStateList) 2598 * @see #setTextColor(int) 2599 * 2600 * @attr ref android.R.styleable#TextView_textColor 2601 */ 2602 public final ColorStateList getTextColors() { 2603 return mTextColor; 2604 } 2605 2606 /** 2607 * <p>Return the current color selected for normal text.</p> 2608 * 2609 * @return Returns the current text color. 2610 */ 2611 public final int getCurrentTextColor() { 2612 return mCurTextColor; 2613 } 2614 2615 /** 2616 * Sets the color used to display the selection highlight. 2617 * 2618 * @attr ref android.R.styleable#TextView_textColorHighlight 2619 */ 2620 @android.view.RemotableViewMethod 2621 public void setHighlightColor(int color) { 2622 if (mHighlightColor != color) { 2623 mHighlightColor = color; 2624 invalidate(); 2625 } 2626 } 2627 2628 /** 2629 * @return the color used to display the selection highlight 2630 * 2631 * @see #setHighlightColor(int) 2632 * 2633 * @attr ref android.R.styleable#TextView_textColorHighlight 2634 */ 2635 public int getHighlightColor() { 2636 return mHighlightColor; 2637 } 2638 2639 /** 2640 * Sets whether the soft input method will be made visible when this 2641 * TextView gets focused. The default is true. 2642 * @hide 2643 */ 2644 @android.view.RemotableViewMethod 2645 public final void setShowSoftInputOnFocus(boolean show) { 2646 createEditorIfNeeded(); 2647 mEditor.mShowSoftInputOnFocus = show; 2648 } 2649 2650 /** 2651 * Returns whether the soft input method will be made visible when this 2652 * TextView gets focused. The default is true. 2653 * @hide 2654 */ 2655 public final boolean getShowSoftInputOnFocus() { 2656 // When there is no Editor, return default true value 2657 return mEditor == null || mEditor.mShowSoftInputOnFocus; 2658 } 2659 2660 /** 2661 * Gives the text a shadow of the specified radius and color, the specified 2662 * distance from its normal position. 2663 * 2664 * @attr ref android.R.styleable#TextView_shadowColor 2665 * @attr ref android.R.styleable#TextView_shadowDx 2666 * @attr ref android.R.styleable#TextView_shadowDy 2667 * @attr ref android.R.styleable#TextView_shadowRadius 2668 */ 2669 public void setShadowLayer(float radius, float dx, float dy, int color) { 2670 mTextPaint.setShadowLayer(radius, dx, dy, color); 2671 2672 mShadowRadius = radius; 2673 mShadowDx = dx; 2674 mShadowDy = dy; 2675 2676 // Will change text clip region 2677 if (mEditor != null) mEditor.invalidateTextDisplayList(); 2678 invalidate(); 2679 } 2680 2681 /** 2682 * Gets the radius of the shadow layer. 2683 * 2684 * @return the radius of the shadow layer. If 0, the shadow layer is not visible 2685 * 2686 * @see #setShadowLayer(float, float, float, int) 2687 * 2688 * @attr ref android.R.styleable#TextView_shadowRadius 2689 */ 2690 public float getShadowRadius() { 2691 return mShadowRadius; 2692 } 2693 2694 /** 2695 * @return the horizontal offset of the shadow layer 2696 * 2697 * @see #setShadowLayer(float, float, float, int) 2698 * 2699 * @attr ref android.R.styleable#TextView_shadowDx 2700 */ 2701 public float getShadowDx() { 2702 return mShadowDx; 2703 } 2704 2705 /** 2706 * @return the vertical offset of the shadow layer 2707 * 2708 * @see #setShadowLayer(float, float, float, int) 2709 * 2710 * @attr ref android.R.styleable#TextView_shadowDy 2711 */ 2712 public float getShadowDy() { 2713 return mShadowDy; 2714 } 2715 2716 /** 2717 * @return the color of the shadow layer 2718 * 2719 * @see #setShadowLayer(float, float, float, int) 2720 * 2721 * @attr ref android.R.styleable#TextView_shadowColor 2722 */ 2723 public int getShadowColor() { 2724 return mTextPaint.shadowColor; 2725 } 2726 2727 /** 2728 * @return the base paint used for the text. Please use this only to 2729 * consult the Paint's properties and not to change them. 2730 */ 2731 public TextPaint getPaint() { 2732 return mTextPaint; 2733 } 2734 2735 /** 2736 * Sets the autolink mask of the text. See {@link 2737 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 2738 * possible values. 2739 * 2740 * @attr ref android.R.styleable#TextView_autoLink 2741 */ 2742 @android.view.RemotableViewMethod 2743 public final void setAutoLinkMask(int mask) { 2744 mAutoLinkMask = mask; 2745 } 2746 2747 /** 2748 * Sets whether the movement method will automatically be set to 2749 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 2750 * set to nonzero and links are detected in {@link #setText}. 2751 * The default is true. 2752 * 2753 * @attr ref android.R.styleable#TextView_linksClickable 2754 */ 2755 @android.view.RemotableViewMethod 2756 public final void setLinksClickable(boolean whether) { 2757 mLinksClickable = whether; 2758 } 2759 2760 /** 2761 * Returns whether the movement method will automatically be set to 2762 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 2763 * set to nonzero and links are detected in {@link #setText}. 2764 * The default is true. 2765 * 2766 * @attr ref android.R.styleable#TextView_linksClickable 2767 */ 2768 public final boolean getLinksClickable() { 2769 return mLinksClickable; 2770 } 2771 2772 /** 2773 * Returns the list of URLSpans attached to the text 2774 * (by {@link Linkify} or otherwise) if any. You can call 2775 * {@link URLSpan#getURL} on them to find where they link to 2776 * or use {@link Spanned#getSpanStart} and {@link Spanned#getSpanEnd} 2777 * to find the region of the text they are attached to. 2778 */ 2779 public URLSpan[] getUrls() { 2780 if (mText instanceof Spanned) { 2781 return ((Spanned) mText).getSpans(0, mText.length(), URLSpan.class); 2782 } else { 2783 return new URLSpan[0]; 2784 } 2785 } 2786 2787 /** 2788 * Sets the color of the hint text for all the states (disabled, focussed, selected...) of this 2789 * TextView. 2790 * 2791 * @see #setHintTextColor(ColorStateList) 2792 * @see #getHintTextColors() 2793 * @see #setTextColor(int) 2794 * 2795 * @attr ref android.R.styleable#TextView_textColorHint 2796 */ 2797 @android.view.RemotableViewMethod 2798 public final void setHintTextColor(int color) { 2799 mHintTextColor = ColorStateList.valueOf(color); 2800 updateTextColors(); 2801 } 2802 2803 /** 2804 * Sets the color of the hint text. 2805 * 2806 * @see #getHintTextColors() 2807 * @see #setHintTextColor(int) 2808 * @see #setTextColor(ColorStateList) 2809 * @see #setLinkTextColor(ColorStateList) 2810 * 2811 * @attr ref android.R.styleable#TextView_textColorHint 2812 */ 2813 public final void setHintTextColor(ColorStateList colors) { 2814 mHintTextColor = colors; 2815 updateTextColors(); 2816 } 2817 2818 /** 2819 * @return the color of the hint text, for the different states of this TextView. 2820 * 2821 * @see #setHintTextColor(ColorStateList) 2822 * @see #setHintTextColor(int) 2823 * @see #setTextColor(ColorStateList) 2824 * @see #setLinkTextColor(ColorStateList) 2825 * 2826 * @attr ref android.R.styleable#TextView_textColorHint 2827 */ 2828 public final ColorStateList getHintTextColors() { 2829 return mHintTextColor; 2830 } 2831 2832 /** 2833 * <p>Return the current color selected to paint the hint text.</p> 2834 * 2835 * @return Returns the current hint text color. 2836 */ 2837 public final int getCurrentHintTextColor() { 2838 return mHintTextColor != null ? mCurHintTextColor : mCurTextColor; 2839 } 2840 2841 /** 2842 * Sets the color of links in the text. 2843 * 2844 * @see #setLinkTextColor(ColorStateList) 2845 * @see #getLinkTextColors() 2846 * 2847 * @attr ref android.R.styleable#TextView_textColorLink 2848 */ 2849 @android.view.RemotableViewMethod 2850 public final void setLinkTextColor(int color) { 2851 mLinkTextColor = ColorStateList.valueOf(color); 2852 updateTextColors(); 2853 } 2854 2855 /** 2856 * Sets the color of links in the text. 2857 * 2858 * @see #setLinkTextColor(int) 2859 * @see #getLinkTextColors() 2860 * @see #setTextColor(ColorStateList) 2861 * @see #setHintTextColor(ColorStateList) 2862 * 2863 * @attr ref android.R.styleable#TextView_textColorLink 2864 */ 2865 public final void setLinkTextColor(ColorStateList colors) { 2866 mLinkTextColor = colors; 2867 updateTextColors(); 2868 } 2869 2870 /** 2871 * @return the list of colors used to paint the links in the text, for the different states of 2872 * this TextView 2873 * 2874 * @see #setLinkTextColor(ColorStateList) 2875 * @see #setLinkTextColor(int) 2876 * 2877 * @attr ref android.R.styleable#TextView_textColorLink 2878 */ 2879 public final ColorStateList getLinkTextColors() { 2880 return mLinkTextColor; 2881 } 2882 2883 /** 2884 * Sets the horizontal alignment of the text and the 2885 * vertical gravity that will be used when there is extra space 2886 * in the TextView beyond what is required for the text itself. 2887 * 2888 * @see android.view.Gravity 2889 * @attr ref android.R.styleable#TextView_gravity 2890 */ 2891 public void setGravity(int gravity) { 2892 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) == 0) { 2893 gravity |= Gravity.START; 2894 } 2895 if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 2896 gravity |= Gravity.TOP; 2897 } 2898 2899 boolean newLayout = false; 2900 2901 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) != 2902 (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK)) { 2903 newLayout = true; 2904 } 2905 2906 if (gravity != mGravity) { 2907 invalidate(); 2908 } 2909 2910 mGravity = gravity; 2911 2912 if (mLayout != null && newLayout) { 2913 // XXX this is heavy-handed because no actual content changes. 2914 int want = mLayout.getWidth(); 2915 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 2916 2917 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 2918 mRight - mLeft - getCompoundPaddingLeft() - 2919 getCompoundPaddingRight(), true); 2920 } 2921 } 2922 2923 /** 2924 * Returns the horizontal and vertical alignment of this TextView. 2925 * 2926 * @see android.view.Gravity 2927 * @attr ref android.R.styleable#TextView_gravity 2928 */ 2929 public int getGravity() { 2930 return mGravity; 2931 } 2932 2933 /** 2934 * @return the flags on the Paint being used to display the text. 2935 * @see Paint#getFlags 2936 */ 2937 public int getPaintFlags() { 2938 return mTextPaint.getFlags(); 2939 } 2940 2941 /** 2942 * Sets flags on the Paint being used to display the text and 2943 * reflows the text if they are different from the old flags. 2944 * @see Paint#setFlags 2945 */ 2946 @android.view.RemotableViewMethod 2947 public void setPaintFlags(int flags) { 2948 if (mTextPaint.getFlags() != flags) { 2949 mTextPaint.setFlags(flags); 2950 2951 if (mLayout != null) { 2952 nullLayouts(); 2953 requestLayout(); 2954 invalidate(); 2955 } 2956 } 2957 } 2958 2959 /** 2960 * Sets whether the text should be allowed to be wider than the 2961 * View is. If false, it will be wrapped to the width of the View. 2962 * 2963 * @attr ref android.R.styleable#TextView_scrollHorizontally 2964 */ 2965 public void setHorizontallyScrolling(boolean whether) { 2966 if (mHorizontallyScrolling != whether) { 2967 mHorizontallyScrolling = whether; 2968 2969 if (mLayout != null) { 2970 nullLayouts(); 2971 requestLayout(); 2972 invalidate(); 2973 } 2974 } 2975 } 2976 2977 /** 2978 * Returns whether the text is allowed to be wider than the View is. 2979 * If false, the text will be wrapped to the width of the View. 2980 * 2981 * @attr ref android.R.styleable#TextView_scrollHorizontally 2982 * @hide 2983 */ 2984 public boolean getHorizontallyScrolling() { 2985 return mHorizontallyScrolling; 2986 } 2987 2988 /** 2989 * Makes the TextView at least this many lines tall. 2990 * 2991 * Setting this value overrides any other (minimum) height setting. A single line TextView will 2992 * set this value to 1. 2993 * 2994 * @see #getMinLines() 2995 * 2996 * @attr ref android.R.styleable#TextView_minLines 2997 */ 2998 @android.view.RemotableViewMethod 2999 public void setMinLines(int minlines) { 3000 mMinimum = minlines; 3001 mMinMode = LINES; 3002 3003 requestLayout(); 3004 invalidate(); 3005 } 3006 3007 /** 3008 * @return the minimum number of lines displayed in this TextView, or -1 if the minimum 3009 * height was set in pixels instead using {@link #setMinHeight(int) or #setHeight(int)}. 3010 * 3011 * @see #setMinLines(int) 3012 * 3013 * @attr ref android.R.styleable#TextView_minLines 3014 */ 3015 public int getMinLines() { 3016 return mMinMode == LINES ? mMinimum : -1; 3017 } 3018 3019 /** 3020 * Makes the TextView at least this many pixels tall. 3021 * 3022 * Setting this value overrides any other (minimum) number of lines setting. 3023 * 3024 * @attr ref android.R.styleable#TextView_minHeight 3025 */ 3026 @android.view.RemotableViewMethod 3027 public void setMinHeight(int minHeight) { 3028 mMinimum = minHeight; 3029 mMinMode = PIXELS; 3030 3031 requestLayout(); 3032 invalidate(); 3033 } 3034 3035 /** 3036 * @return the minimum height of this TextView expressed in pixels, or -1 if the minimum 3037 * height was set in number of lines instead using {@link #setMinLines(int) or #setLines(int)}. 3038 * 3039 * @see #setMinHeight(int) 3040 * 3041 * @attr ref android.R.styleable#TextView_minHeight 3042 */ 3043 public int getMinHeight() { 3044 return mMinMode == PIXELS ? mMinimum : -1; 3045 } 3046 3047 /** 3048 * Makes the TextView at most this many lines tall. 3049 * 3050 * Setting this value overrides any other (maximum) height setting. 3051 * 3052 * @attr ref android.R.styleable#TextView_maxLines 3053 */ 3054 @android.view.RemotableViewMethod 3055 public void setMaxLines(int maxlines) { 3056 mMaximum = maxlines; 3057 mMaxMode = LINES; 3058 3059 requestLayout(); 3060 invalidate(); 3061 } 3062 3063 /** 3064 * @return the maximum number of lines displayed in this TextView, or -1 if the maximum 3065 * height was set in pixels instead using {@link #setMaxHeight(int) or #setHeight(int)}. 3066 * 3067 * @see #setMaxLines(int) 3068 * 3069 * @attr ref android.R.styleable#TextView_maxLines 3070 */ 3071 public int getMaxLines() { 3072 return mMaxMode == LINES ? mMaximum : -1; 3073 } 3074 3075 /** 3076 * Makes the TextView at most this many pixels tall. This option is mutually exclusive with the 3077 * {@link #setMaxLines(int)} method. 3078 * 3079 * Setting this value overrides any other (maximum) number of lines setting. 3080 * 3081 * @attr ref android.R.styleable#TextView_maxHeight 3082 */ 3083 @android.view.RemotableViewMethod 3084 public void setMaxHeight(int maxHeight) { 3085 mMaximum = maxHeight; 3086 mMaxMode = PIXELS; 3087 3088 requestLayout(); 3089 invalidate(); 3090 } 3091 3092 /** 3093 * @return the maximum height of this TextView expressed in pixels, or -1 if the maximum 3094 * height was set in number of lines instead using {@link #setMaxLines(int) or #setLines(int)}. 3095 * 3096 * @see #setMaxHeight(int) 3097 * 3098 * @attr ref android.R.styleable#TextView_maxHeight 3099 */ 3100 public int getMaxHeight() { 3101 return mMaxMode == PIXELS ? mMaximum : -1; 3102 } 3103 3104 /** 3105 * Makes the TextView exactly this many lines tall. 3106 * 3107 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3108 * height setting. A single line TextView will set this value to 1. 3109 * 3110 * @attr ref android.R.styleable#TextView_lines 3111 */ 3112 @android.view.RemotableViewMethod 3113 public void setLines(int lines) { 3114 mMaximum = mMinimum = lines; 3115 mMaxMode = mMinMode = LINES; 3116 3117 requestLayout(); 3118 invalidate(); 3119 } 3120 3121 /** 3122 * Makes the TextView exactly this many pixels tall. 3123 * You could do the same thing by specifying this number in the 3124 * LayoutParams. 3125 * 3126 * Note that setting this value overrides any other (minimum / maximum) number of lines or 3127 * height setting. 3128 * 3129 * @attr ref android.R.styleable#TextView_height 3130 */ 3131 @android.view.RemotableViewMethod 3132 public void setHeight(int pixels) { 3133 mMaximum = mMinimum = pixels; 3134 mMaxMode = mMinMode = PIXELS; 3135 3136 requestLayout(); 3137 invalidate(); 3138 } 3139 3140 /** 3141 * Makes the TextView at least this many ems wide 3142 * 3143 * @attr ref android.R.styleable#TextView_minEms 3144 */ 3145 @android.view.RemotableViewMethod 3146 public void setMinEms(int minems) { 3147 mMinWidth = minems; 3148 mMinWidthMode = EMS; 3149 3150 requestLayout(); 3151 invalidate(); 3152 } 3153 3154 /** 3155 * @return the minimum width of the TextView, expressed in ems or -1 if the minimum width 3156 * was set in pixels instead (using {@link #setMinWidth(int)} or {@link #setWidth(int)}). 3157 * 3158 * @see #setMinEms(int) 3159 * @see #setEms(int) 3160 * 3161 * @attr ref android.R.styleable#TextView_minEms 3162 */ 3163 public int getMinEms() { 3164 return mMinWidthMode == EMS ? mMinWidth : -1; 3165 } 3166 3167 /** 3168 * Makes the TextView at least this many pixels wide 3169 * 3170 * @attr ref android.R.styleable#TextView_minWidth 3171 */ 3172 @android.view.RemotableViewMethod 3173 public void setMinWidth(int minpixels) { 3174 mMinWidth = minpixels; 3175 mMinWidthMode = PIXELS; 3176 3177 requestLayout(); 3178 invalidate(); 3179 } 3180 3181 /** 3182 * @return the minimum width of the TextView, in pixels or -1 if the minimum width 3183 * was set in ems instead (using {@link #setMinEms(int)} or {@link #setEms(int)}). 3184 * 3185 * @see #setMinWidth(int) 3186 * @see #setWidth(int) 3187 * 3188 * @attr ref android.R.styleable#TextView_minWidth 3189 */ 3190 public int getMinWidth() { 3191 return mMinWidthMode == PIXELS ? mMinWidth : -1; 3192 } 3193 3194 /** 3195 * Makes the TextView at most this many ems wide 3196 * 3197 * @attr ref android.R.styleable#TextView_maxEms 3198 */ 3199 @android.view.RemotableViewMethod 3200 public void setMaxEms(int maxems) { 3201 mMaxWidth = maxems; 3202 mMaxWidthMode = EMS; 3203 3204 requestLayout(); 3205 invalidate(); 3206 } 3207 3208 /** 3209 * @return the maximum width of the TextView, expressed in ems or -1 if the maximum width 3210 * was set in pixels instead (using {@link #setMaxWidth(int)} or {@link #setWidth(int)}). 3211 * 3212 * @see #setMaxEms(int) 3213 * @see #setEms(int) 3214 * 3215 * @attr ref android.R.styleable#TextView_maxEms 3216 */ 3217 public int getMaxEms() { 3218 return mMaxWidthMode == EMS ? mMaxWidth : -1; 3219 } 3220 3221 /** 3222 * Makes the TextView at most this many pixels wide 3223 * 3224 * @attr ref android.R.styleable#TextView_maxWidth 3225 */ 3226 @android.view.RemotableViewMethod 3227 public void setMaxWidth(int maxpixels) { 3228 mMaxWidth = maxpixels; 3229 mMaxWidthMode = PIXELS; 3230 3231 requestLayout(); 3232 invalidate(); 3233 } 3234 3235 /** 3236 * @return the maximum width of the TextView, in pixels or -1 if the maximum width 3237 * was set in ems instead (using {@link #setMaxEms(int)} or {@link #setEms(int)}). 3238 * 3239 * @see #setMaxWidth(int) 3240 * @see #setWidth(int) 3241 * 3242 * @attr ref android.R.styleable#TextView_maxWidth 3243 */ 3244 public int getMaxWidth() { 3245 return mMaxWidthMode == PIXELS ? mMaxWidth : -1; 3246 } 3247 3248 /** 3249 * Makes the TextView exactly this many ems wide 3250 * 3251 * @see #setMaxEms(int) 3252 * @see #setMinEms(int) 3253 * @see #getMinEms() 3254 * @see #getMaxEms() 3255 * 3256 * @attr ref android.R.styleable#TextView_ems 3257 */ 3258 @android.view.RemotableViewMethod 3259 public void setEms(int ems) { 3260 mMaxWidth = mMinWidth = ems; 3261 mMaxWidthMode = mMinWidthMode = EMS; 3262 3263 requestLayout(); 3264 invalidate(); 3265 } 3266 3267 /** 3268 * Makes the TextView exactly this many pixels wide. 3269 * You could do the same thing by specifying this number in the 3270 * LayoutParams. 3271 * 3272 * @see #setMaxWidth(int) 3273 * @see #setMinWidth(int) 3274 * @see #getMinWidth() 3275 * @see #getMaxWidth() 3276 * 3277 * @attr ref android.R.styleable#TextView_width 3278 */ 3279 @android.view.RemotableViewMethod 3280 public void setWidth(int pixels) { 3281 mMaxWidth = mMinWidth = pixels; 3282 mMaxWidthMode = mMinWidthMode = PIXELS; 3283 3284 requestLayout(); 3285 invalidate(); 3286 } 3287 3288 /** 3289 * Sets line spacing for this TextView. Each line will have its height 3290 * multiplied by <code>mult</code> and have <code>add</code> added to it. 3291 * 3292 * @attr ref android.R.styleable#TextView_lineSpacingExtra 3293 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 3294 */ 3295 public void setLineSpacing(float add, float mult) { 3296 if (mSpacingAdd != add || mSpacingMult != mult) { 3297 mSpacingAdd = add; 3298 mSpacingMult = mult; 3299 3300 if (mLayout != null) { 3301 nullLayouts(); 3302 requestLayout(); 3303 invalidate(); 3304 } 3305 } 3306 } 3307 3308 /** 3309 * Gets the line spacing multiplier 3310 * 3311 * @return the value by which each line's height is multiplied to get its actual height. 3312 * 3313 * @see #setLineSpacing(float, float) 3314 * @see #getLineSpacingExtra() 3315 * 3316 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 3317 */ 3318 public float getLineSpacingMultiplier() { 3319 return mSpacingMult; 3320 } 3321 3322 /** 3323 * Gets the line spacing extra space 3324 * 3325 * @return the extra space that is added to the height of each lines of this TextView. 3326 * 3327 * @see #setLineSpacing(float, float) 3328 * @see #getLineSpacingMultiplier() 3329 * 3330 * @attr ref android.R.styleable#TextView_lineSpacingExtra 3331 */ 3332 public float getLineSpacingExtra() { 3333 return mSpacingAdd; 3334 } 3335 3336 /** 3337 * Convenience method: Append the specified text to the TextView's 3338 * display buffer, upgrading it to BufferType.EDITABLE if it was 3339 * not already editable. 3340 */ 3341 public final void append(CharSequence text) { 3342 append(text, 0, text.length()); 3343 } 3344 3345 /** 3346 * Convenience method: Append the specified text slice to the TextView's 3347 * display buffer, upgrading it to BufferType.EDITABLE if it was 3348 * not already editable. 3349 */ 3350 public void append(CharSequence text, int start, int end) { 3351 if (!(mText instanceof Editable)) { 3352 setText(mText, BufferType.EDITABLE); 3353 } 3354 3355 ((Editable) mText).append(text, start, end); 3356 } 3357 3358 private void updateTextColors() { 3359 boolean inval = false; 3360 int color = mTextColor.getColorForState(getDrawableState(), 0); 3361 if (color != mCurTextColor) { 3362 mCurTextColor = color; 3363 inval = true; 3364 } 3365 if (mLinkTextColor != null) { 3366 color = mLinkTextColor.getColorForState(getDrawableState(), 0); 3367 if (color != mTextPaint.linkColor) { 3368 mTextPaint.linkColor = color; 3369 inval = true; 3370 } 3371 } 3372 if (mHintTextColor != null) { 3373 color = mHintTextColor.getColorForState(getDrawableState(), 0); 3374 if (color != mCurHintTextColor && mText.length() == 0) { 3375 mCurHintTextColor = color; 3376 inval = true; 3377 } 3378 } 3379 if (inval) { 3380 // Text needs to be redrawn with the new color 3381 if (mEditor != null) mEditor.invalidateTextDisplayList(); 3382 invalidate(); 3383 } 3384 } 3385 3386 @Override 3387 protected void drawableStateChanged() { 3388 super.drawableStateChanged(); 3389 if (mTextColor != null && mTextColor.isStateful() 3390 || (mHintTextColor != null && mHintTextColor.isStateful()) 3391 || (mLinkTextColor != null && mLinkTextColor.isStateful())) { 3392 updateTextColors(); 3393 } 3394 3395 final Drawables dr = mDrawables; 3396 if (dr != null) { 3397 int[] state = getDrawableState(); 3398 if (dr.mDrawableTop != null && dr.mDrawableTop.isStateful()) { 3399 dr.mDrawableTop.setState(state); 3400 } 3401 if (dr.mDrawableBottom != null && dr.mDrawableBottom.isStateful()) { 3402 dr.mDrawableBottom.setState(state); 3403 } 3404 if (dr.mDrawableLeft != null && dr.mDrawableLeft.isStateful()) { 3405 dr.mDrawableLeft.setState(state); 3406 } 3407 if (dr.mDrawableRight != null && dr.mDrawableRight.isStateful()) { 3408 dr.mDrawableRight.setState(state); 3409 } 3410 if (dr.mDrawableStart != null && dr.mDrawableStart.isStateful()) { 3411 dr.mDrawableStart.setState(state); 3412 } 3413 if (dr.mDrawableEnd != null && dr.mDrawableEnd.isStateful()) { 3414 dr.mDrawableEnd.setState(state); 3415 } 3416 } 3417 } 3418 3419 @Override 3420 public Parcelable onSaveInstanceState() { 3421 Parcelable superState = super.onSaveInstanceState(); 3422 3423 // Save state if we are forced to 3424 boolean save = mFreezesText; 3425 int start = 0; 3426 int end = 0; 3427 3428 if (mText != null) { 3429 start = getSelectionStart(); 3430 end = getSelectionEnd(); 3431 if (start >= 0 || end >= 0) { 3432 // Or save state if there is a selection 3433 save = true; 3434 } 3435 } 3436 3437 if (save) { 3438 SavedState ss = new SavedState(superState); 3439 // XXX Should also save the current scroll position! 3440 ss.selStart = start; 3441 ss.selEnd = end; 3442 3443 if (mText instanceof Spanned) { 3444 /* 3445 * Calling setText() strips off any ChangeWatchers; 3446 * strip them now to avoid leaking references. 3447 * But do it to a copy so that if there are any 3448 * further changes to the text of this view, it 3449 * won't get into an inconsistent state. 3450 */ 3451 3452 Spannable sp = new SpannableString(mText); 3453 3454 for (ChangeWatcher cw : sp.getSpans(0, sp.length(), ChangeWatcher.class)) { 3455 sp.removeSpan(cw); 3456 } 3457 3458 if (mEditor != null) { 3459 removeMisspelledSpans(sp); 3460 sp.removeSpan(mEditor.mSuggestionRangeSpan); 3461 } 3462 3463 ss.text = sp; 3464 } else { 3465 ss.text = mText.toString(); 3466 } 3467 3468 if (isFocused() && start >= 0 && end >= 0) { 3469 ss.frozenWithFocus = true; 3470 } 3471 3472 ss.error = getError(); 3473 3474 return ss; 3475 } 3476 3477 return superState; 3478 } 3479 3480 void removeMisspelledSpans(Spannable spannable) { 3481 SuggestionSpan[] suggestionSpans = spannable.getSpans(0, spannable.length(), 3482 SuggestionSpan.class); 3483 for (int i = 0; i < suggestionSpans.length; i++) { 3484 int flags = suggestionSpans[i].getFlags(); 3485 if ((flags & SuggestionSpan.FLAG_EASY_CORRECT) != 0 3486 && (flags & SuggestionSpan.FLAG_MISSPELLED) != 0) { 3487 spannable.removeSpan(suggestionSpans[i]); 3488 } 3489 } 3490 } 3491 3492 @Override 3493 public void onRestoreInstanceState(Parcelable state) { 3494 if (!(state instanceof SavedState)) { 3495 super.onRestoreInstanceState(state); 3496 return; 3497 } 3498 3499 SavedState ss = (SavedState)state; 3500 super.onRestoreInstanceState(ss.getSuperState()); 3501 3502 // XXX restore buffer type too, as well as lots of other stuff 3503 if (ss.text != null) { 3504 setText(ss.text); 3505 } 3506 3507 if (ss.selStart >= 0 && ss.selEnd >= 0) { 3508 if (mText instanceof Spannable) { 3509 int len = mText.length(); 3510 3511 if (ss.selStart > len || ss.selEnd > len) { 3512 String restored = ""; 3513 3514 if (ss.text != null) { 3515 restored = "(restored) "; 3516 } 3517 3518 Log.e(LOG_TAG, "Saved cursor position " + ss.selStart + 3519 "/" + ss.selEnd + " out of range for " + restored + 3520 "text " + mText); 3521 } else { 3522 Selection.setSelection((Spannable) mText, ss.selStart, ss.selEnd); 3523 3524 if (ss.frozenWithFocus) { 3525 createEditorIfNeeded(); 3526 mEditor.mFrozenWithFocus = true; 3527 } 3528 } 3529 } 3530 } 3531 3532 if (ss.error != null) { 3533 final CharSequence error = ss.error; 3534 // Display the error later, after the first layout pass 3535 post(new Runnable() { 3536 public void run() { 3537 setError(error); 3538 } 3539 }); 3540 } 3541 } 3542 3543 /** 3544 * Control whether this text view saves its entire text contents when 3545 * freezing to an icicle, in addition to dynamic state such as cursor 3546 * position. By default this is false, not saving the text. Set to true 3547 * if the text in the text view is not being saved somewhere else in 3548 * persistent storage (such as in a content provider) so that if the 3549 * view is later thawed the user will not lose their data. 3550 * 3551 * @param freezesText Controls whether a frozen icicle should include the 3552 * entire text data: true to include it, false to not. 3553 * 3554 * @attr ref android.R.styleable#TextView_freezesText 3555 */ 3556 @android.view.RemotableViewMethod 3557 public void setFreezesText(boolean freezesText) { 3558 mFreezesText = freezesText; 3559 } 3560 3561 /** 3562 * Return whether this text view is including its entire text contents 3563 * in frozen icicles. 3564 * 3565 * @return Returns true if text is included, false if it isn't. 3566 * 3567 * @see #setFreezesText 3568 */ 3569 public boolean getFreezesText() { 3570 return mFreezesText; 3571 } 3572 3573 /////////////////////////////////////////////////////////////////////////// 3574 3575 /** 3576 * Sets the Factory used to create new Editables. 3577 */ 3578 public final void setEditableFactory(Editable.Factory factory) { 3579 mEditableFactory = factory; 3580 setText(mText); 3581 } 3582 3583 /** 3584 * Sets the Factory used to create new Spannables. 3585 */ 3586 public final void setSpannableFactory(Spannable.Factory factory) { 3587 mSpannableFactory = factory; 3588 setText(mText); 3589 } 3590 3591 /** 3592 * Sets the string value of the TextView. TextView <em>does not</em> accept 3593 * HTML-like formatting, which you can do with text strings in XML resource files. 3594 * To style your strings, attach android.text.style.* objects to a 3595 * {@link android.text.SpannableString SpannableString}, or see the 3596 * <a href="{@docRoot}guide/topics/resources/available-resources.html#stringresources"> 3597 * Available Resource Types</a> documentation for an example of setting 3598 * formatted text in the XML resource file. 3599 * 3600 * @attr ref android.R.styleable#TextView_text 3601 */ 3602 @android.view.RemotableViewMethod 3603 public final void setText(CharSequence text) { 3604 setText(text, mBufferType); 3605 } 3606 3607 /** 3608 * Like {@link #setText(CharSequence)}, 3609 * except that the cursor position (if any) is retained in the new text. 3610 * 3611 * @param text The new text to place in the text view. 3612 * 3613 * @see #setText(CharSequence) 3614 */ 3615 @android.view.RemotableViewMethod 3616 public final void setTextKeepState(CharSequence text) { 3617 setTextKeepState(text, mBufferType); 3618 } 3619 3620 /** 3621 * Sets the text that this TextView is to display (see 3622 * {@link #setText(CharSequence)}) and also sets whether it is stored 3623 * in a styleable/spannable buffer and whether it is editable. 3624 * 3625 * @attr ref android.R.styleable#TextView_text 3626 * @attr ref android.R.styleable#TextView_bufferType 3627 */ 3628 public void setText(CharSequence text, BufferType type) { 3629 setText(text, type, true, 0); 3630 3631 if (mCharWrapper != null) { 3632 mCharWrapper.mChars = null; 3633 } 3634 } 3635 3636 private void setText(CharSequence text, BufferType type, 3637 boolean notifyBefore, int oldlen) { 3638 if (text == null) { 3639 text = ""; 3640 } 3641 3642 // If suggestions are not enabled, remove the suggestion spans from the text 3643 if (!isSuggestionsEnabled()) { 3644 text = removeSuggestionSpans(text); 3645 } 3646 3647 if (!mUserSetTextScaleX) mTextPaint.setTextScaleX(1.0f); 3648 3649 if (text instanceof Spanned && 3650 ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) { 3651 if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) { 3652 setHorizontalFadingEdgeEnabled(true); 3653 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 3654 } else { 3655 setHorizontalFadingEdgeEnabled(false); 3656 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 3657 } 3658 setEllipsize(TextUtils.TruncateAt.MARQUEE); 3659 } 3660 3661 int n = mFilters.length; 3662 for (int i = 0; i < n; i++) { 3663 CharSequence out = mFilters[i].filter(text, 0, text.length(), EMPTY_SPANNED, 0, 0); 3664 if (out != null) { 3665 text = out; 3666 } 3667 } 3668 3669 if (notifyBefore) { 3670 if (mText != null) { 3671 oldlen = mText.length(); 3672 sendBeforeTextChanged(mText, 0, oldlen, text.length()); 3673 } else { 3674 sendBeforeTextChanged("", 0, 0, text.length()); 3675 } 3676 } 3677 3678 boolean needEditableForNotification = false; 3679 3680 if (mListeners != null && mListeners.size() != 0) { 3681 needEditableForNotification = true; 3682 } 3683 3684 if (type == BufferType.EDITABLE || getKeyListener() != null || 3685 needEditableForNotification) { 3686 createEditorIfNeeded(); 3687 Editable t = mEditableFactory.newEditable(text); 3688 text = t; 3689 setFilters(t, mFilters); 3690 InputMethodManager imm = InputMethodManager.peekInstance(); 3691 if (imm != null) imm.restartInput(this); 3692 } else if (type == BufferType.SPANNABLE || mMovement != null) { 3693 text = mSpannableFactory.newSpannable(text); 3694 } else if (!(text instanceof CharWrapper)) { 3695 text = TextUtils.stringOrSpannedString(text); 3696 } 3697 3698 if (mAutoLinkMask != 0) { 3699 Spannable s2; 3700 3701 if (type == BufferType.EDITABLE || text instanceof Spannable) { 3702 s2 = (Spannable) text; 3703 } else { 3704 s2 = mSpannableFactory.newSpannable(text); 3705 } 3706 3707 if (Linkify.addLinks(s2, mAutoLinkMask)) { 3708 text = s2; 3709 type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE; 3710 3711 /* 3712 * We must go ahead and set the text before changing the 3713 * movement method, because setMovementMethod() may call 3714 * setText() again to try to upgrade the buffer type. 3715 */ 3716 mText = text; 3717 3718 // Do not change the movement method for text that support text selection as it 3719 // would prevent an arbitrary cursor displacement. 3720 if (mLinksClickable && !textCanBeSelected()) { 3721 setMovementMethod(LinkMovementMethod.getInstance()); 3722 } 3723 } 3724 } 3725 3726 mBufferType = type; 3727 mText = text; 3728 3729 if (mTransformation == null) { 3730 mTransformed = text; 3731 } else { 3732 mTransformed = mTransformation.getTransformation(text, this); 3733 } 3734 3735 final int textLength = text.length(); 3736 3737 if (text instanceof Spannable && !mAllowTransformationLengthChange) { 3738 Spannable sp = (Spannable) text; 3739 3740 // Remove any ChangeWatchers that might have come from other TextViews. 3741 final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class); 3742 final int count = watchers.length; 3743 for (int i = 0; i < count; i++) { 3744 sp.removeSpan(watchers[i]); 3745 } 3746 3747 if (mChangeWatcher == null) mChangeWatcher = new ChangeWatcher(); 3748 3749 sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE | 3750 (CHANGE_WATCHER_PRIORITY << Spanned.SPAN_PRIORITY_SHIFT)); 3751 3752 if (mEditor != null) mEditor.addSpanWatchers(sp); 3753 3754 if (mTransformation != null) { 3755 sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 3756 } 3757 3758 if (mMovement != null) { 3759 mMovement.initialize(this, (Spannable) text); 3760 3761 /* 3762 * Initializing the movement method will have set the 3763 * selection, so reset mSelectionMoved to keep that from 3764 * interfering with the normal on-focus selection-setting. 3765 */ 3766 if (mEditor != null) mEditor.mSelectionMoved = false; 3767 } 3768 } 3769 3770 if (mLayout != null) { 3771 checkForRelayout(); 3772 } 3773 3774 sendOnTextChanged(text, 0, oldlen, textLength); 3775 onTextChanged(text, 0, oldlen, textLength); 3776 3777 if (needEditableForNotification) { 3778 sendAfterTextChanged((Editable) text); 3779 } 3780 3781 // SelectionModifierCursorController depends on textCanBeSelected, which depends on text 3782 if (mEditor != null) mEditor.prepareCursorControllers(); 3783 } 3784 3785 /** 3786 * Sets the TextView to display the specified slice of the specified 3787 * char array. You must promise that you will not change the contents 3788 * of the array except for right before another call to setText(), 3789 * since the TextView has no way to know that the text 3790 * has changed and that it needs to invalidate and re-layout. 3791 */ 3792 public final void setText(char[] text, int start, int len) { 3793 int oldlen = 0; 3794 3795 if (start < 0 || len < 0 || start + len > text.length) { 3796 throw new IndexOutOfBoundsException(start + ", " + len); 3797 } 3798 3799 /* 3800 * We must do the before-notification here ourselves because if 3801 * the old text is a CharWrapper we destroy it before calling 3802 * into the normal path. 3803 */ 3804 if (mText != null) { 3805 oldlen = mText.length(); 3806 sendBeforeTextChanged(mText, 0, oldlen, len); 3807 } else { 3808 sendBeforeTextChanged("", 0, 0, len); 3809 } 3810 3811 if (mCharWrapper == null) { 3812 mCharWrapper = new CharWrapper(text, start, len); 3813 } else { 3814 mCharWrapper.set(text, start, len); 3815 } 3816 3817 setText(mCharWrapper, mBufferType, false, oldlen); 3818 } 3819 3820 /** 3821 * Like {@link #setText(CharSequence, android.widget.TextView.BufferType)}, 3822 * except that the cursor position (if any) is retained in the new text. 3823 * 3824 * @see #setText(CharSequence, android.widget.TextView.BufferType) 3825 */ 3826 public final void setTextKeepState(CharSequence text, BufferType type) { 3827 int start = getSelectionStart(); 3828 int end = getSelectionEnd(); 3829 int len = text.length(); 3830 3831 setText(text, type); 3832 3833 if (start >= 0 || end >= 0) { 3834 if (mText instanceof Spannable) { 3835 Selection.setSelection((Spannable) mText, 3836 Math.max(0, Math.min(start, len)), 3837 Math.max(0, Math.min(end, len))); 3838 } 3839 } 3840 } 3841 3842 @android.view.RemotableViewMethod 3843 public final void setText(int resid) { 3844 setText(getContext().getResources().getText(resid)); 3845 } 3846 3847 public final void setText(int resid, BufferType type) { 3848 setText(getContext().getResources().getText(resid), type); 3849 } 3850 3851 /** 3852 * Sets the text to be displayed when the text of the TextView is empty. 3853 * Null means to use the normal empty text. The hint does not currently 3854 * participate in determining the size of the view. 3855 * 3856 * @attr ref android.R.styleable#TextView_hint 3857 */ 3858 @android.view.RemotableViewMethod 3859 public final void setHint(CharSequence hint) { 3860 mHint = TextUtils.stringOrSpannedString(hint); 3861 3862 if (mLayout != null) { 3863 checkForRelayout(); 3864 } 3865 3866 if (mText.length() == 0) { 3867 invalidate(); 3868 } 3869 3870 // Invalidate display list if hint is currently used 3871 if (mEditor != null && mText.length() == 0 && mHint != null) { 3872 mEditor.invalidateTextDisplayList(); 3873 } 3874 } 3875 3876 /** 3877 * Sets the text to be displayed when the text of the TextView is empty, 3878 * from a resource. 3879 * 3880 * @attr ref android.R.styleable#TextView_hint 3881 */ 3882 @android.view.RemotableViewMethod 3883 public final void setHint(int resid) { 3884 setHint(getContext().getResources().getText(resid)); 3885 } 3886 3887 /** 3888 * Returns the hint that is displayed when the text of the TextView 3889 * is empty. 3890 * 3891 * @attr ref android.R.styleable#TextView_hint 3892 */ 3893 @ViewDebug.CapturedViewProperty 3894 public CharSequence getHint() { 3895 return mHint; 3896 } 3897 3898 boolean isSingleLine() { 3899 return mSingleLine; 3900 } 3901 3902 private static boolean isMultilineInputType(int type) { 3903 return (type & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) == 3904 (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 3905 } 3906 3907 /** 3908 * Removes the suggestion spans. 3909 */ 3910 CharSequence removeSuggestionSpans(CharSequence text) { 3911 if (text instanceof Spanned) { 3912 Spannable spannable; 3913 if (text instanceof Spannable) { 3914 spannable = (Spannable) text; 3915 } else { 3916 spannable = new SpannableString(text); 3917 text = spannable; 3918 } 3919 3920 SuggestionSpan[] spans = spannable.getSpans(0, text.length(), SuggestionSpan.class); 3921 for (int i = 0; i < spans.length; i++) { 3922 spannable.removeSpan(spans[i]); 3923 } 3924 } 3925 return text; 3926 } 3927 3928 /** 3929 * Set the type of the content with a constant as defined for {@link EditorInfo#inputType}. This 3930 * will take care of changing the key listener, by calling {@link #setKeyListener(KeyListener)}, 3931 * to match the given content type. If the given content type is {@link EditorInfo#TYPE_NULL} 3932 * then a soft keyboard will not be displayed for this text view. 3933 * 3934 * Note that the maximum number of displayed lines (see {@link #setMaxLines(int)}) will be 3935 * modified if you change the {@link EditorInfo#TYPE_TEXT_FLAG_MULTI_LINE} flag of the input 3936 * type. 3937 * 3938 * @see #getInputType() 3939 * @see #setRawInputType(int) 3940 * @see android.text.InputType 3941 * @attr ref android.R.styleable#TextView_inputType 3942 */ 3943 public void setInputType(int type) { 3944 final boolean wasPassword = isPasswordInputType(getInputType()); 3945 final boolean wasVisiblePassword = isVisiblePasswordInputType(getInputType()); 3946 setInputType(type, false); 3947 final boolean isPassword = isPasswordInputType(type); 3948 final boolean isVisiblePassword = isVisiblePasswordInputType(type); 3949 boolean forceUpdate = false; 3950 if (isPassword) { 3951 setTransformationMethod(PasswordTransformationMethod.getInstance()); 3952 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 3953 } else if (isVisiblePassword) { 3954 if (mTransformation == PasswordTransformationMethod.getInstance()) { 3955 forceUpdate = true; 3956 } 3957 setTypefaceFromAttrs(null /* fontFamily */, MONOSPACE, 0); 3958 } else if (wasPassword || wasVisiblePassword) { 3959 // not in password mode, clean up typeface and transformation 3960 setTypefaceFromAttrs(null /* fontFamily */, -1, -1); 3961 if (mTransformation == PasswordTransformationMethod.getInstance()) { 3962 forceUpdate = true; 3963 } 3964 } 3965 3966 boolean singleLine = !isMultilineInputType(type); 3967 3968 // We need to update the single line mode if it has changed or we 3969 // were previously in password mode. 3970 if (mSingleLine != singleLine || forceUpdate) { 3971 // Change single line mode, but only change the transformation if 3972 // we are not in password mode. 3973 applySingleLine(singleLine, !isPassword, true); 3974 } 3975 3976 if (!isSuggestionsEnabled()) { 3977 mText = removeSuggestionSpans(mText); 3978 } 3979 3980 InputMethodManager imm = InputMethodManager.peekInstance(); 3981 if (imm != null) imm.restartInput(this); 3982 } 3983 3984 /** 3985 * It would be better to rely on the input type for everything. A password inputType should have 3986 * a password transformation. We should hence use isPasswordInputType instead of this method. 3987 * 3988 * We should: 3989 * - Call setInputType in setKeyListener instead of changing the input type directly (which 3990 * would install the correct transformation). 3991 * - Refuse the installation of a non-password transformation in setTransformation if the input 3992 * type is password. 3993 * 3994 * However, this is like this for legacy reasons and we cannot break existing apps. This method 3995 * is useful since it matches what the user can see (obfuscated text or not). 3996 * 3997 * @return true if the current transformation method is of the password type. 3998 */ 3999 private boolean hasPasswordTransformationMethod() { 4000 return mTransformation instanceof PasswordTransformationMethod; 4001 } 4002 4003 private static boolean isPasswordInputType(int inputType) { 4004 final int variation = 4005 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4006 return variation 4007 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD) 4008 || variation 4009 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD) 4010 || variation 4011 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 4012 } 4013 4014 private static boolean isVisiblePasswordInputType(int inputType) { 4015 final int variation = 4016 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 4017 return variation 4018 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 4019 } 4020 4021 /** 4022 * Directly change the content type integer of the text view, without 4023 * modifying any other state. 4024 * @see #setInputType(int) 4025 * @see android.text.InputType 4026 * @attr ref android.R.styleable#TextView_inputType 4027 */ 4028 public void setRawInputType(int type) { 4029 if (type == InputType.TYPE_NULL && mEditor == null) return; //TYPE_NULL is the default value 4030 createEditorIfNeeded(); 4031 mEditor.mInputType = type; 4032 } 4033 4034 private void setInputType(int type, boolean direct) { 4035 final int cls = type & EditorInfo.TYPE_MASK_CLASS; 4036 KeyListener input; 4037 if (cls == EditorInfo.TYPE_CLASS_TEXT) { 4038 boolean autotext = (type & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) != 0; 4039 TextKeyListener.Capitalize cap; 4040 if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS) != 0) { 4041 cap = TextKeyListener.Capitalize.CHARACTERS; 4042 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS) != 0) { 4043 cap = TextKeyListener.Capitalize.WORDS; 4044 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES) != 0) { 4045 cap = TextKeyListener.Capitalize.SENTENCES; 4046 } else { 4047 cap = TextKeyListener.Capitalize.NONE; 4048 } 4049 input = TextKeyListener.getInstance(autotext, cap); 4050 } else if (cls == EditorInfo.TYPE_CLASS_NUMBER) { 4051 input = DigitsKeyListener.getInstance( 4052 (type & EditorInfo.TYPE_NUMBER_FLAG_SIGNED) != 0, 4053 (type & EditorInfo.TYPE_NUMBER_FLAG_DECIMAL) != 0); 4054 } else if (cls == EditorInfo.TYPE_CLASS_DATETIME) { 4055 switch (type & EditorInfo.TYPE_MASK_VARIATION) { 4056 case EditorInfo.TYPE_DATETIME_VARIATION_DATE: 4057 input = DateKeyListener.getInstance(); 4058 break; 4059 case EditorInfo.TYPE_DATETIME_VARIATION_TIME: 4060 input = TimeKeyListener.getInstance(); 4061 break; 4062 default: 4063 input = DateTimeKeyListener.getInstance(); 4064 break; 4065 } 4066 } else if (cls == EditorInfo.TYPE_CLASS_PHONE) { 4067 input = DialerKeyListener.getInstance(); 4068 } else { 4069 input = TextKeyListener.getInstance(); 4070 } 4071 setRawInputType(type); 4072 if (direct) { 4073 createEditorIfNeeded(); 4074 mEditor.mKeyListener = input; 4075 } else { 4076 setKeyListenerOnly(input); 4077 } 4078 } 4079 4080 /** 4081 * Get the type of the editable content. 4082 * 4083 * @see #setInputType(int) 4084 * @see android.text.InputType 4085 */ 4086 public int getInputType() { 4087 return mEditor == null ? EditorInfo.TYPE_NULL : mEditor.mInputType; 4088 } 4089 4090 /** 4091 * Change the editor type integer associated with the text view, which 4092 * will be reported to an IME with {@link EditorInfo#imeOptions} when it 4093 * has focus. 4094 * @see #getImeOptions 4095 * @see android.view.inputmethod.EditorInfo 4096 * @attr ref android.R.styleable#TextView_imeOptions 4097 */ 4098 public void setImeOptions(int imeOptions) { 4099 createEditorIfNeeded(); 4100 mEditor.createInputContentTypeIfNeeded(); 4101 mEditor.mInputContentType.imeOptions = imeOptions; 4102 } 4103 4104 /** 4105 * Get the type of the IME editor. 4106 * 4107 * @see #setImeOptions(int) 4108 * @see android.view.inputmethod.EditorInfo 4109 */ 4110 public int getImeOptions() { 4111 return mEditor != null && mEditor.mInputContentType != null 4112 ? mEditor.mInputContentType.imeOptions : EditorInfo.IME_NULL; 4113 } 4114 4115 /** 4116 * Change the custom IME action associated with the text view, which 4117 * will be reported to an IME with {@link EditorInfo#actionLabel} 4118 * and {@link EditorInfo#actionId} when it has focus. 4119 * @see #getImeActionLabel 4120 * @see #getImeActionId 4121 * @see android.view.inputmethod.EditorInfo 4122 * @attr ref android.R.styleable#TextView_imeActionLabel 4123 * @attr ref android.R.styleable#TextView_imeActionId 4124 */ 4125 public void setImeActionLabel(CharSequence label, int actionId) { 4126 createEditorIfNeeded(); 4127 mEditor.createInputContentTypeIfNeeded(); 4128 mEditor.mInputContentType.imeActionLabel = label; 4129 mEditor.mInputContentType.imeActionId = actionId; 4130 } 4131 4132 /** 4133 * Get the IME action label previous set with {@link #setImeActionLabel}. 4134 * 4135 * @see #setImeActionLabel 4136 * @see android.view.inputmethod.EditorInfo 4137 */ 4138 public CharSequence getImeActionLabel() { 4139 return mEditor != null && mEditor.mInputContentType != null 4140 ? mEditor.mInputContentType.imeActionLabel : null; 4141 } 4142 4143 /** 4144 * Get the IME action ID previous set with {@link #setImeActionLabel}. 4145 * 4146 * @see #setImeActionLabel 4147 * @see android.view.inputmethod.EditorInfo 4148 */ 4149 public int getImeActionId() { 4150 return mEditor != null && mEditor.mInputContentType != null 4151 ? mEditor.mInputContentType.imeActionId : 0; 4152 } 4153 4154 /** 4155 * Set a special listener to be called when an action is performed 4156 * on the text view. This will be called when the enter key is pressed, 4157 * or when an action supplied to the IME is selected by the user. Setting 4158 * this means that the normal hard key event will not insert a newline 4159 * into the text view, even if it is multi-line; holding down the ALT 4160 * modifier will, however, allow the user to insert a newline character. 4161 */ 4162 public void setOnEditorActionListener(OnEditorActionListener l) { 4163 createEditorIfNeeded(); 4164 mEditor.createInputContentTypeIfNeeded(); 4165 mEditor.mInputContentType.onEditorActionListener = l; 4166 } 4167 4168 /** 4169 * Called when an attached input method calls 4170 * {@link InputConnection#performEditorAction(int) 4171 * InputConnection.performEditorAction()} 4172 * for this text view. The default implementation will call your action 4173 * listener supplied to {@link #setOnEditorActionListener}, or perform 4174 * a standard operation for {@link EditorInfo#IME_ACTION_NEXT 4175 * EditorInfo.IME_ACTION_NEXT}, {@link EditorInfo#IME_ACTION_PREVIOUS 4176 * EditorInfo.IME_ACTION_PREVIOUS}, or {@link EditorInfo#IME_ACTION_DONE 4177 * EditorInfo.IME_ACTION_DONE}. 4178 * 4179 * <p>For backwards compatibility, if no IME options have been set and the 4180 * text view would not normally advance focus on enter, then 4181 * the NEXT and DONE actions received here will be turned into an enter 4182 * key down/up pair to go through the normal key handling. 4183 * 4184 * @param actionCode The code of the action being performed. 4185 * 4186 * @see #setOnEditorActionListener 4187 */ 4188 public void onEditorAction(int actionCode) { 4189 final Editor.InputContentType ict = mEditor == null ? null : mEditor.mInputContentType; 4190 if (ict != null) { 4191 if (ict.onEditorActionListener != null) { 4192 if (ict.onEditorActionListener.onEditorAction(this, 4193 actionCode, null)) { 4194 return; 4195 } 4196 } 4197 4198 // This is the handling for some default action. 4199 // Note that for backwards compatibility we don't do this 4200 // default handling if explicit ime options have not been given, 4201 // instead turning this into the normal enter key codes that an 4202 // app may be expecting. 4203 if (actionCode == EditorInfo.IME_ACTION_NEXT) { 4204 View v = focusSearch(FOCUS_FORWARD); 4205 if (v != null) { 4206 if (!v.requestFocus(FOCUS_FORWARD)) { 4207 throw new IllegalStateException("focus search returned a view " + 4208 "that wasn't able to take focus!"); 4209 } 4210 } 4211 return; 4212 4213 } else if (actionCode == EditorInfo.IME_ACTION_PREVIOUS) { 4214 View v = focusSearch(FOCUS_BACKWARD); 4215 if (v != null) { 4216 if (!v.requestFocus(FOCUS_BACKWARD)) { 4217 throw new IllegalStateException("focus search returned a view " + 4218 "that wasn't able to take focus!"); 4219 } 4220 } 4221 return; 4222 4223 } else if (actionCode == EditorInfo.IME_ACTION_DONE) { 4224 InputMethodManager imm = InputMethodManager.peekInstance(); 4225 if (imm != null && imm.isActive(this)) { 4226 imm.hideSoftInputFromWindow(getWindowToken(), 0); 4227 } 4228 return; 4229 } 4230 } 4231 4232 ViewRootImpl viewRootImpl = getViewRootImpl(); 4233 if (viewRootImpl != null) { 4234 long eventTime = SystemClock.uptimeMillis(); 4235 viewRootImpl.dispatchKeyFromIme( 4236 new KeyEvent(eventTime, eventTime, 4237 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER, 0, 0, 4238 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4239 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4240 | KeyEvent.FLAG_EDITOR_ACTION)); 4241 viewRootImpl.dispatchKeyFromIme( 4242 new KeyEvent(SystemClock.uptimeMillis(), eventTime, 4243 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER, 0, 0, 4244 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 4245 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 4246 | KeyEvent.FLAG_EDITOR_ACTION)); 4247 } 4248 } 4249 4250 /** 4251 * Set the private content type of the text, which is the 4252 * {@link EditorInfo#privateImeOptions EditorInfo.privateImeOptions} 4253 * field that will be filled in when creating an input connection. 4254 * 4255 * @see #getPrivateImeOptions() 4256 * @see EditorInfo#privateImeOptions 4257 * @attr ref android.R.styleable#TextView_privateImeOptions 4258 */ 4259 public void setPrivateImeOptions(String type) { 4260 createEditorIfNeeded(); 4261 mEditor.createInputContentTypeIfNeeded(); 4262 mEditor.mInputContentType.privateImeOptions = type; 4263 } 4264 4265 /** 4266 * Get the private type of the content. 4267 * 4268 * @see #setPrivateImeOptions(String) 4269 * @see EditorInfo#privateImeOptions 4270 */ 4271 public String getPrivateImeOptions() { 4272 return mEditor != null && mEditor.mInputContentType != null 4273 ? mEditor.mInputContentType.privateImeOptions : null; 4274 } 4275 4276 /** 4277 * Set the extra input data of the text, which is the 4278 * {@link EditorInfo#extras TextBoxAttribute.extras} 4279 * Bundle that will be filled in when creating an input connection. The 4280 * given integer is the resource ID of an XML resource holding an 4281 * {@link android.R.styleable#InputExtras <input-extras>} XML tree. 4282 * 4283 * @see #getInputExtras(boolean) 4284 * @see EditorInfo#extras 4285 * @attr ref android.R.styleable#TextView_editorExtras 4286 */ 4287 public void setInputExtras(int xmlResId) throws XmlPullParserException, IOException { 4288 createEditorIfNeeded(); 4289 XmlResourceParser parser = getResources().getXml(xmlResId); 4290 mEditor.createInputContentTypeIfNeeded(); 4291 mEditor.mInputContentType.extras = new Bundle(); 4292 getResources().parseBundleExtras(parser, mEditor.mInputContentType.extras); 4293 } 4294 4295 /** 4296 * Retrieve the input extras currently associated with the text view, which 4297 * can be viewed as well as modified. 4298 * 4299 * @param create If true, the extras will be created if they don't already 4300 * exist. Otherwise, null will be returned if none have been created. 4301 * @see #setInputExtras(int) 4302 * @see EditorInfo#extras 4303 * @attr ref android.R.styleable#TextView_editorExtras 4304 */ 4305 public Bundle getInputExtras(boolean create) { 4306 if (mEditor == null && !create) return null; 4307 createEditorIfNeeded(); 4308 if (mEditor.mInputContentType == null) { 4309 if (!create) return null; 4310 mEditor.createInputContentTypeIfNeeded(); 4311 } 4312 if (mEditor.mInputContentType.extras == null) { 4313 if (!create) return null; 4314 mEditor.mInputContentType.extras = new Bundle(); 4315 } 4316 return mEditor.mInputContentType.extras; 4317 } 4318 4319 /** 4320 * Returns the error message that was set to be displayed with 4321 * {@link #setError}, or <code>null</code> if no error was set 4322 * or if it the error was cleared by the widget after user input. 4323 */ 4324 public CharSequence getError() { 4325 return mEditor == null ? null : mEditor.mError; 4326 } 4327 4328 /** 4329 * Sets the right-hand compound drawable of the TextView to the "error" 4330 * icon and sets an error message that will be displayed in a popup when 4331 * the TextView has focus. The icon and error message will be reset to 4332 * null when any key events cause changes to the TextView's text. If the 4333 * <code>error</code> is <code>null</code>, the error message and icon 4334 * will be cleared. 4335 */ 4336 @android.view.RemotableViewMethod 4337 public void setError(CharSequence error) { 4338 if (error == null) { 4339 setError(null, null); 4340 } else { 4341 Drawable dr = getContext().getResources(). 4342 getDrawable(com.android.internal.R.drawable.indicator_input_error); 4343 4344 dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight()); 4345 setError(error, dr); 4346 } 4347 } 4348 4349 /** 4350 * Sets the right-hand compound drawable of the TextView to the specified 4351 * icon and sets an error message that will be displayed in a popup when 4352 * the TextView has focus. The icon and error message will be reset to 4353 * null when any key events cause changes to the TextView's text. The 4354 * drawable must already have had {@link Drawable#setBounds} set on it. 4355 * If the <code>error</code> is <code>null</code>, the error message will 4356 * be cleared (and you should provide a <code>null</code> icon as well). 4357 */ 4358 public void setError(CharSequence error, Drawable icon) { 4359 createEditorIfNeeded(); 4360 mEditor.setError(error, icon); 4361 } 4362 4363 @Override 4364 protected boolean setFrame(int l, int t, int r, int b) { 4365 boolean result = super.setFrame(l, t, r, b); 4366 4367 if (mEditor != null) mEditor.setFrame(); 4368 4369 restartMarqueeIfNeeded(); 4370 4371 return result; 4372 } 4373 4374 private void restartMarqueeIfNeeded() { 4375 if (mRestartMarquee && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 4376 mRestartMarquee = false; 4377 startMarquee(); 4378 } 4379 } 4380 4381 /** 4382 * Sets the list of input filters that will be used if the buffer is 4383 * Editable. Has no effect otherwise. 4384 * 4385 * @attr ref android.R.styleable#TextView_maxLength 4386 */ 4387 public void setFilters(InputFilter[] filters) { 4388 if (filters == null) { 4389 throw new IllegalArgumentException(); 4390 } 4391 4392 mFilters = filters; 4393 4394 if (mText instanceof Editable) { 4395 setFilters((Editable) mText, filters); 4396 } 4397 } 4398 4399 /** 4400 * Sets the list of input filters on the specified Editable, 4401 * and includes mInput in the list if it is an InputFilter. 4402 */ 4403 private void setFilters(Editable e, InputFilter[] filters) { 4404 if (mEditor != null && mEditor.mKeyListener instanceof InputFilter) { 4405 InputFilter[] nf = new InputFilter[filters.length + 1]; 4406 4407 System.arraycopy(filters, 0, nf, 0, filters.length); 4408 nf[filters.length] = (InputFilter) mEditor.mKeyListener; 4409 4410 e.setFilters(nf); 4411 } else { 4412 e.setFilters(filters); 4413 } 4414 } 4415 4416 /** 4417 * Returns the current list of input filters. 4418 * 4419 * @attr ref android.R.styleable#TextView_maxLength 4420 */ 4421 public InputFilter[] getFilters() { 4422 return mFilters; 4423 } 4424 4425 ///////////////////////////////////////////////////////////////////////// 4426 4427 private int getBoxHeight(Layout l) { 4428 Insets opticalInsets = isLayoutModeOptical(mParent) ? getOpticalInsets() : Insets.NONE; 4429 int padding = (l == mHintLayout) ? 4430 getCompoundPaddingTop() + getCompoundPaddingBottom() : 4431 getExtendedPaddingTop() + getExtendedPaddingBottom(); 4432 return getMeasuredHeight() - padding + opticalInsets.top + opticalInsets.bottom; 4433 } 4434 4435 int getVerticalOffset(boolean forceNormal) { 4436 int voffset = 0; 4437 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 4438 4439 Layout l = mLayout; 4440 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 4441 l = mHintLayout; 4442 } 4443 4444 if (gravity != Gravity.TOP) { 4445 int boxht = getBoxHeight(l); 4446 int textht = l.getHeight(); 4447 4448 if (textht < boxht) { 4449 if (gravity == Gravity.BOTTOM) 4450 voffset = boxht - textht; 4451 else // (gravity == Gravity.CENTER_VERTICAL) 4452 voffset = (boxht - textht) >> 1; 4453 } 4454 } 4455 return voffset; 4456 } 4457 4458 private int getBottomVerticalOffset(boolean forceNormal) { 4459 int voffset = 0; 4460 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 4461 4462 Layout l = mLayout; 4463 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 4464 l = mHintLayout; 4465 } 4466 4467 if (gravity != Gravity.BOTTOM) { 4468 int boxht = getBoxHeight(l); 4469 int textht = l.getHeight(); 4470 4471 if (textht < boxht) { 4472 if (gravity == Gravity.TOP) 4473 voffset = boxht - textht; 4474 else // (gravity == Gravity.CENTER_VERTICAL) 4475 voffset = (boxht - textht) >> 1; 4476 } 4477 } 4478 return voffset; 4479 } 4480 4481 void invalidateCursorPath() { 4482 if (mHighlightPathBogus) { 4483 invalidateCursor(); 4484 } else { 4485 final int horizontalPadding = getCompoundPaddingLeft(); 4486 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 4487 4488 if (mEditor.mCursorCount == 0) { 4489 synchronized (TEMP_RECTF) { 4490 /* 4491 * The reason for this concern about the thickness of the 4492 * cursor and doing the floor/ceil on the coordinates is that 4493 * some EditTexts (notably textfields in the Browser) have 4494 * anti-aliased text where not all the characters are 4495 * necessarily at integer-multiple locations. This should 4496 * make sure the entire cursor gets invalidated instead of 4497 * sometimes missing half a pixel. 4498 */ 4499 float thick = FloatMath.ceil(mTextPaint.getStrokeWidth()); 4500 if (thick < 1.0f) { 4501 thick = 1.0f; 4502 } 4503 4504 thick /= 2.0f; 4505 4506 // mHighlightPath is guaranteed to be non null at that point. 4507 mHighlightPath.computeBounds(TEMP_RECTF, false); 4508 4509 invalidate((int) FloatMath.floor(horizontalPadding + TEMP_RECTF.left - thick), 4510 (int) FloatMath.floor(verticalPadding + TEMP_RECTF.top - thick), 4511 (int) FloatMath.ceil(horizontalPadding + TEMP_RECTF.right + thick), 4512 (int) FloatMath.ceil(verticalPadding + TEMP_RECTF.bottom + thick)); 4513 } 4514 } else { 4515 for (int i = 0; i < mEditor.mCursorCount; i++) { 4516 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 4517 invalidate(bounds.left + horizontalPadding, bounds.top + verticalPadding, 4518 bounds.right + horizontalPadding, bounds.bottom + verticalPadding); 4519 } 4520 } 4521 } 4522 } 4523 4524 void invalidateCursor() { 4525 int where = getSelectionEnd(); 4526 4527 invalidateCursor(where, where, where); 4528 } 4529 4530 private void invalidateCursor(int a, int b, int c) { 4531 if (a >= 0 || b >= 0 || c >= 0) { 4532 int start = Math.min(Math.min(a, b), c); 4533 int end = Math.max(Math.max(a, b), c); 4534 invalidateRegion(start, end, true /* Also invalidates blinking cursor */); 4535 } 4536 } 4537 4538 /** 4539 * Invalidates the region of text enclosed between the start and end text offsets. 4540 */ 4541 void invalidateRegion(int start, int end, boolean invalidateCursor) { 4542 if (mLayout == null) { 4543 invalidate(); 4544 } else { 4545 int lineStart = mLayout.getLineForOffset(start); 4546 int top = mLayout.getLineTop(lineStart); 4547 4548 // This is ridiculous, but the descent from the line above 4549 // can hang down into the line we really want to redraw, 4550 // so we have to invalidate part of the line above to make 4551 // sure everything that needs to be redrawn really is. 4552 // (But not the whole line above, because that would cause 4553 // the same problem with the descenders on the line above it!) 4554 if (lineStart > 0) { 4555 top -= mLayout.getLineDescent(lineStart - 1); 4556 } 4557 4558 int lineEnd; 4559 4560 if (start == end) 4561 lineEnd = lineStart; 4562 else 4563 lineEnd = mLayout.getLineForOffset(end); 4564 4565 int bottom = mLayout.getLineBottom(lineEnd); 4566 4567 // mEditor can be null in case selection is set programmatically. 4568 if (invalidateCursor && mEditor != null) { 4569 for (int i = 0; i < mEditor.mCursorCount; i++) { 4570 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 4571 top = Math.min(top, bounds.top); 4572 bottom = Math.max(bottom, bounds.bottom); 4573 } 4574 } 4575 4576 final int compoundPaddingLeft = getCompoundPaddingLeft(); 4577 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 4578 4579 int left, right; 4580 if (lineStart == lineEnd && !invalidateCursor) { 4581 left = (int) mLayout.getPrimaryHorizontal(start); 4582 right = (int) (mLayout.getPrimaryHorizontal(end) + 1.0); 4583 left += compoundPaddingLeft; 4584 right += compoundPaddingLeft; 4585 } else { 4586 // Rectangle bounding box when the region spans several lines 4587 left = compoundPaddingLeft; 4588 right = getWidth() - getCompoundPaddingRight(); 4589 } 4590 4591 invalidate(mScrollX + left, verticalPadding + top, 4592 mScrollX + right, verticalPadding + bottom); 4593 } 4594 } 4595 4596 private void registerForPreDraw() { 4597 if (!mPreDrawRegistered) { 4598 getViewTreeObserver().addOnPreDrawListener(this); 4599 mPreDrawRegistered = true; 4600 } 4601 } 4602 4603 /** 4604 * {@inheritDoc} 4605 */ 4606 public boolean onPreDraw() { 4607 if (mLayout == null) { 4608 assumeLayout(); 4609 } 4610 4611 boolean changed = false; 4612 4613 if (mMovement != null) { 4614 /* This code also provides auto-scrolling when a cursor is moved using a 4615 * CursorController (insertion point or selection limits). 4616 * For selection, ensure start or end is visible depending on controller's state. 4617 */ 4618 int curs = getSelectionEnd(); 4619 // Do not create the controller if it is not already created. 4620 if (mEditor != null && mEditor.mSelectionModifierCursorController != null && 4621 mEditor.mSelectionModifierCursorController.isSelectionStartDragged()) { 4622 curs = getSelectionStart(); 4623 } 4624 4625 /* 4626 * TODO: This should really only keep the end in view if 4627 * it already was before the text changed. I'm not sure 4628 * of a good way to tell from here if it was. 4629 */ 4630 if (curs < 0 && (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 4631 curs = mText.length(); 4632 } 4633 4634 if (curs >= 0) { 4635 changed = bringPointIntoView(curs); 4636 } 4637 } else { 4638 changed = bringTextIntoView(); 4639 } 4640 4641 // This has to be checked here since: 4642 // - onFocusChanged cannot start it when focus is given to a view with selected text (after 4643 // a screen rotation) since layout is not yet initialized at that point. 4644 if (mEditor != null && mEditor.mCreatedWithASelection) { 4645 mEditor.startSelectionActionMode(); 4646 mEditor.mCreatedWithASelection = false; 4647 } 4648 4649 // Phone specific code (there is no ExtractEditText on tablets). 4650 // ExtractEditText does not call onFocus when it is displayed, and mHasSelectionOnFocus can 4651 // not be set. Do the test here instead. 4652 if (this instanceof ExtractEditText && hasSelection() && mEditor != null) { 4653 mEditor.startSelectionActionMode(); 4654 } 4655 4656 getViewTreeObserver().removeOnPreDrawListener(this); 4657 mPreDrawRegistered = false; 4658 4659 return !changed; 4660 } 4661 4662 @Override 4663 protected void onAttachedToWindow() { 4664 super.onAttachedToWindow(); 4665 4666 mTemporaryDetach = false; 4667 4668 if (mEditor != null) mEditor.onAttachedToWindow(); 4669 } 4670 4671 @Override 4672 protected void onDetachedFromWindow() { 4673 super.onDetachedFromWindow(); 4674 4675 if (mPreDrawRegistered) { 4676 getViewTreeObserver().removeOnPreDrawListener(this); 4677 mPreDrawRegistered = false; 4678 } 4679 4680 resetResolvedDrawables(); 4681 4682 if (mEditor != null) mEditor.onDetachedFromWindow(); 4683 } 4684 4685 @Override 4686 public void onScreenStateChanged(int screenState) { 4687 super.onScreenStateChanged(screenState); 4688 if (mEditor != null) mEditor.onScreenStateChanged(screenState); 4689 } 4690 4691 @Override 4692 protected boolean isPaddingOffsetRequired() { 4693 return mShadowRadius != 0 || mDrawables != null; 4694 } 4695 4696 @Override 4697 protected int getLeftPaddingOffset() { 4698 return getCompoundPaddingLeft() - mPaddingLeft + 4699 (int) Math.min(0, mShadowDx - mShadowRadius); 4700 } 4701 4702 @Override 4703 protected int getTopPaddingOffset() { 4704 return (int) Math.min(0, mShadowDy - mShadowRadius); 4705 } 4706 4707 @Override 4708 protected int getBottomPaddingOffset() { 4709 return (int) Math.max(0, mShadowDy + mShadowRadius); 4710 } 4711 4712 @Override 4713 protected int getRightPaddingOffset() { 4714 return -(getCompoundPaddingRight() - mPaddingRight) + 4715 (int) Math.max(0, mShadowDx + mShadowRadius); 4716 } 4717 4718 @Override 4719 protected boolean verifyDrawable(Drawable who) { 4720 final boolean verified = super.verifyDrawable(who); 4721 if (!verified && mDrawables != null) { 4722 return who == mDrawables.mDrawableLeft || who == mDrawables.mDrawableTop || 4723 who == mDrawables.mDrawableRight || who == mDrawables.mDrawableBottom || 4724 who == mDrawables.mDrawableStart || who == mDrawables.mDrawableEnd; 4725 } 4726 return verified; 4727 } 4728 4729 @Override 4730 public void jumpDrawablesToCurrentState() { 4731 super.jumpDrawablesToCurrentState(); 4732 if (mDrawables != null) { 4733 if (mDrawables.mDrawableLeft != null) { 4734 mDrawables.mDrawableLeft.jumpToCurrentState(); 4735 } 4736 if (mDrawables.mDrawableTop != null) { 4737 mDrawables.mDrawableTop.jumpToCurrentState(); 4738 } 4739 if (mDrawables.mDrawableRight != null) { 4740 mDrawables.mDrawableRight.jumpToCurrentState(); 4741 } 4742 if (mDrawables.mDrawableBottom != null) { 4743 mDrawables.mDrawableBottom.jumpToCurrentState(); 4744 } 4745 if (mDrawables.mDrawableStart != null) { 4746 mDrawables.mDrawableStart.jumpToCurrentState(); 4747 } 4748 if (mDrawables.mDrawableEnd != null) { 4749 mDrawables.mDrawableEnd.jumpToCurrentState(); 4750 } 4751 } 4752 } 4753 4754 @Override 4755 public void invalidateDrawable(Drawable drawable) { 4756 if (verifyDrawable(drawable)) { 4757 final Rect dirty = drawable.getBounds(); 4758 int scrollX = mScrollX; 4759 int scrollY = mScrollY; 4760 4761 // IMPORTANT: The coordinates below are based on the coordinates computed 4762 // for each compound drawable in onDraw(). Make sure to update each section 4763 // accordingly. 4764 final TextView.Drawables drawables = mDrawables; 4765 if (drawables != null) { 4766 if (drawable == drawables.mDrawableLeft) { 4767 final int compoundPaddingTop = getCompoundPaddingTop(); 4768 final int compoundPaddingBottom = getCompoundPaddingBottom(); 4769 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 4770 4771 scrollX += mPaddingLeft; 4772 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightLeft) / 2; 4773 } else if (drawable == drawables.mDrawableRight) { 4774 final int compoundPaddingTop = getCompoundPaddingTop(); 4775 final int compoundPaddingBottom = getCompoundPaddingBottom(); 4776 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 4777 4778 scrollX += (mRight - mLeft - mPaddingRight - drawables.mDrawableSizeRight); 4779 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightRight) / 2; 4780 } else if (drawable == drawables.mDrawableTop) { 4781 final int compoundPaddingLeft = getCompoundPaddingLeft(); 4782 final int compoundPaddingRight = getCompoundPaddingRight(); 4783 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 4784 4785 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthTop) / 2; 4786 scrollY += mPaddingTop; 4787 } else if (drawable == drawables.mDrawableBottom) { 4788 final int compoundPaddingLeft = getCompoundPaddingLeft(); 4789 final int compoundPaddingRight = getCompoundPaddingRight(); 4790 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 4791 4792 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthBottom) / 2; 4793 scrollY += (mBottom - mTop - mPaddingBottom - drawables.mDrawableSizeBottom); 4794 } 4795 } 4796 4797 invalidate(dirty.left + scrollX, dirty.top + scrollY, 4798 dirty.right + scrollX, dirty.bottom + scrollY); 4799 } 4800 } 4801 4802 @Override 4803 public boolean hasOverlappingRendering() { 4804 return ((getBackground() != null && getBackground().getCurrent() != null) 4805 || mText instanceof Spannable || hasSelection()); 4806 } 4807 4808 /** 4809 * When a TextView is used to display a useful piece of information to the user (such as a 4810 * contact's address), it should be made selectable, so that the user can select and copy this 4811 * content. 4812 * 4813 * Use {@link #setTextIsSelectable(boolean)} or the 4814 * {@link android.R.styleable#TextView_textIsSelectable} XML attribute to make this TextView 4815 * selectable (text is not selectable by default). 4816 * 4817 * Note that this method simply returns the state of this flag. Although this flag has to be set 4818 * in order to select text in non-editable TextView, the content of an {@link EditText} can 4819 * always be selected, independently of the value of this flag. 4820 * 4821 * @return True if the text displayed in this TextView can be selected by the user. 4822 * 4823 * @attr ref android.R.styleable#TextView_textIsSelectable 4824 */ 4825 public boolean isTextSelectable() { 4826 return mEditor == null ? false : mEditor.mTextIsSelectable; 4827 } 4828 4829 /** 4830 * Sets whether or not (default) the content of this view is selectable by the user. 4831 * 4832 * Note that this methods affect the {@link #setFocusable(boolean)}, 4833 * {@link #setFocusableInTouchMode(boolean)} {@link #setClickable(boolean)} and 4834 * {@link #setLongClickable(boolean)} states and you may want to restore these if they were 4835 * customized. 4836 * 4837 * See {@link #isTextSelectable} for details. 4838 * 4839 * @param selectable Whether or not the content of this TextView should be selectable. 4840 */ 4841 public void setTextIsSelectable(boolean selectable) { 4842 if (!selectable && mEditor == null) return; // false is default value with no edit data 4843 4844 createEditorIfNeeded(); 4845 if (mEditor.mTextIsSelectable == selectable) return; 4846 4847 mEditor.mTextIsSelectable = selectable; 4848 setFocusableInTouchMode(selectable); 4849 setFocusable(selectable); 4850 setClickable(selectable); 4851 setLongClickable(selectable); 4852 4853 // mInputType should already be EditorInfo.TYPE_NULL and mInput should be null 4854 4855 setMovementMethod(selectable ? ArrowKeyMovementMethod.getInstance() : null); 4856 setText(mText, selectable ? BufferType.SPANNABLE : BufferType.NORMAL); 4857 4858 // Called by setText above, but safer in case of future code changes 4859 mEditor.prepareCursorControllers(); 4860 } 4861 4862 @Override 4863 protected int[] onCreateDrawableState(int extraSpace) { 4864 final int[] drawableState; 4865 4866 if (mSingleLine) { 4867 drawableState = super.onCreateDrawableState(extraSpace); 4868 } else { 4869 drawableState = super.onCreateDrawableState(extraSpace + 1); 4870 mergeDrawableStates(drawableState, MULTILINE_STATE_SET); 4871 } 4872 4873 if (isTextSelectable()) { 4874 // Disable pressed state, which was introduced when TextView was made clickable. 4875 // Prevents text color change. 4876 // setClickable(false) would have a similar effect, but it also disables focus changes 4877 // and long press actions, which are both needed by text selection. 4878 final int length = drawableState.length; 4879 for (int i = 0; i < length; i++) { 4880 if (drawableState[i] == R.attr.state_pressed) { 4881 final int[] nonPressedState = new int[length - 1]; 4882 System.arraycopy(drawableState, 0, nonPressedState, 0, i); 4883 System.arraycopy(drawableState, i + 1, nonPressedState, i, length - i - 1); 4884 return nonPressedState; 4885 } 4886 } 4887 } 4888 4889 return drawableState; 4890 } 4891 4892 private Path getUpdatedHighlightPath() { 4893 Path highlight = null; 4894 Paint highlightPaint = mHighlightPaint; 4895 4896 final int selStart = getSelectionStart(); 4897 final int selEnd = getSelectionEnd(); 4898 if (mMovement != null && (isFocused() || isPressed()) && selStart >= 0) { 4899 if (selStart == selEnd) { 4900 if (mEditor != null && mEditor.isCursorVisible() && 4901 (SystemClock.uptimeMillis() - mEditor.mShowCursor) % 4902 (2 * Editor.BLINK) < Editor.BLINK) { 4903 if (mHighlightPathBogus) { 4904 if (mHighlightPath == null) mHighlightPath = new Path(); 4905 mHighlightPath.reset(); 4906 mLayout.getCursorPath(selStart, mHighlightPath, mText); 4907 mEditor.updateCursorsPositions(); 4908 mHighlightPathBogus = false; 4909 } 4910 4911 // XXX should pass to skin instead of drawing directly 4912 highlightPaint.setColor(mCurTextColor); 4913 highlightPaint.setStyle(Paint.Style.STROKE); 4914 highlight = mHighlightPath; 4915 } 4916 } else { 4917 if (mHighlightPathBogus) { 4918 if (mHighlightPath == null) mHighlightPath = new Path(); 4919 mHighlightPath.reset(); 4920 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 4921 mHighlightPathBogus = false; 4922 } 4923 4924 // XXX should pass to skin instead of drawing directly 4925 highlightPaint.setColor(mHighlightColor); 4926 highlightPaint.setStyle(Paint.Style.FILL); 4927 4928 highlight = mHighlightPath; 4929 } 4930 } 4931 return highlight; 4932 } 4933 4934 /** 4935 * @hide 4936 */ 4937 public int getHorizontalOffsetForDrawables() { 4938 return 0; 4939 } 4940 4941 @Override 4942 protected void onDraw(Canvas canvas) { 4943 restartMarqueeIfNeeded(); 4944 4945 // Draw the background for this view 4946 super.onDraw(canvas); 4947 4948 final int compoundPaddingLeft = getCompoundPaddingLeft(); 4949 final int compoundPaddingTop = getCompoundPaddingTop(); 4950 final int compoundPaddingRight = getCompoundPaddingRight(); 4951 final int compoundPaddingBottom = getCompoundPaddingBottom(); 4952 final int scrollX = mScrollX; 4953 final int scrollY = mScrollY; 4954 final int right = mRight; 4955 final int left = mLeft; 4956 final int bottom = mBottom; 4957 final int top = mTop; 4958 final boolean isLayoutRtl = isLayoutRtl(); 4959 final int offset = getHorizontalOffsetForDrawables(); 4960 final int leftOffset = isLayoutRtl ? 0 : offset; 4961 final int rightOffset = isLayoutRtl ? offset : 0 ; 4962 4963 final Drawables dr = mDrawables; 4964 if (dr != null) { 4965 /* 4966 * Compound, not extended, because the icon is not clipped 4967 * if the text height is smaller. 4968 */ 4969 4970 int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop; 4971 int hspace = right - left - compoundPaddingRight - compoundPaddingLeft; 4972 4973 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 4974 // Make sure to update invalidateDrawable() when changing this code. 4975 if (dr.mDrawableLeft != null) { 4976 canvas.save(); 4977 canvas.translate(scrollX + mPaddingLeft + leftOffset, 4978 scrollY + compoundPaddingTop + 4979 (vspace - dr.mDrawableHeightLeft) / 2); 4980 dr.mDrawableLeft.draw(canvas); 4981 canvas.restore(); 4982 } 4983 4984 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 4985 // Make sure to update invalidateDrawable() when changing this code. 4986 if (dr.mDrawableRight != null) { 4987 canvas.save(); 4988 canvas.translate(scrollX + right - left - mPaddingRight 4989 - dr.mDrawableSizeRight - rightOffset, 4990 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightRight) / 2); 4991 dr.mDrawableRight.draw(canvas); 4992 canvas.restore(); 4993 } 4994 4995 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 4996 // Make sure to update invalidateDrawable() when changing this code. 4997 if (dr.mDrawableTop != null) { 4998 canvas.save(); 4999 canvas.translate(scrollX + compoundPaddingLeft + 5000 (hspace - dr.mDrawableWidthTop) / 2, scrollY + mPaddingTop); 5001 dr.mDrawableTop.draw(canvas); 5002 canvas.restore(); 5003 } 5004 5005 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 5006 // Make sure to update invalidateDrawable() when changing this code. 5007 if (dr.mDrawableBottom != null) { 5008 canvas.save(); 5009 canvas.translate(scrollX + compoundPaddingLeft + 5010 (hspace - dr.mDrawableWidthBottom) / 2, 5011 scrollY + bottom - top - mPaddingBottom - dr.mDrawableSizeBottom); 5012 dr.mDrawableBottom.draw(canvas); 5013 canvas.restore(); 5014 } 5015 } 5016 5017 int color = mCurTextColor; 5018 5019 if (mLayout == null) { 5020 assumeLayout(); 5021 } 5022 5023 Layout layout = mLayout; 5024 5025 if (mHint != null && mText.length() == 0) { 5026 if (mHintTextColor != null) { 5027 color = mCurHintTextColor; 5028 } 5029 5030 layout = mHintLayout; 5031 } 5032 5033 mTextPaint.setColor(color); 5034 mTextPaint.drawableState = getDrawableState(); 5035 5036 canvas.save(); 5037 /* Would be faster if we didn't have to do this. Can we chop the 5038 (displayable) text so that we don't need to do this ever? 5039 */ 5040 5041 int extendedPaddingTop = getExtendedPaddingTop(); 5042 int extendedPaddingBottom = getExtendedPaddingBottom(); 5043 5044 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 5045 final int maxScrollY = mLayout.getHeight() - vspace; 5046 5047 float clipLeft = compoundPaddingLeft + scrollX; 5048 float clipTop = (scrollY == 0) ? 0 : extendedPaddingTop + scrollY; 5049 float clipRight = right - left - compoundPaddingRight + scrollX; 5050 float clipBottom = bottom - top + scrollY - 5051 ((scrollY == maxScrollY) ? 0 : extendedPaddingBottom); 5052 5053 if (mShadowRadius != 0) { 5054 clipLeft += Math.min(0, mShadowDx - mShadowRadius); 5055 clipRight += Math.max(0, mShadowDx + mShadowRadius); 5056 5057 clipTop += Math.min(0, mShadowDy - mShadowRadius); 5058 clipBottom += Math.max(0, mShadowDy + mShadowRadius); 5059 } 5060 5061 canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom); 5062 5063 int voffsetText = 0; 5064 int voffsetCursor = 0; 5065 5066 // translate in by our padding 5067 /* shortcircuit calling getVerticaOffset() */ 5068 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5069 voffsetText = getVerticalOffset(false); 5070 voffsetCursor = getVerticalOffset(true); 5071 } 5072 canvas.translate(compoundPaddingLeft, extendedPaddingTop + voffsetText); 5073 5074 final int layoutDirection = getLayoutDirection(); 5075 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 5076 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 5077 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 5078 if (!mSingleLine && getLineCount() == 1 && canMarquee() && 5079 (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) { 5080 final int width = mRight - mLeft; 5081 final int padding = getCompoundPaddingLeft() + getCompoundPaddingRight(); 5082 final float dx = mLayout.getLineRight(0) - (width - padding); 5083 canvas.translate(isLayoutRtl ? -dx : +dx, 0.0f); 5084 } 5085 5086 if (mMarquee != null && mMarquee.isRunning()) { 5087 final float dx = -mMarquee.getScroll(); 5088 canvas.translate(isLayoutRtl ? -dx : +dx, 0.0f); 5089 } 5090 } 5091 5092 final int cursorOffsetVertical = voffsetCursor - voffsetText; 5093 5094 Path highlight = getUpdatedHighlightPath(); 5095 if (mEditor != null) { 5096 mEditor.onDraw(canvas, layout, highlight, mHighlightPaint, cursorOffsetVertical); 5097 } else { 5098 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5099 } 5100 5101 if (mMarquee != null && mMarquee.shouldDrawGhost()) { 5102 final int dx = (int) mMarquee.getGhostOffset(); 5103 canvas.translate(isLayoutRtl ? -dx : dx, 0.0f); 5104 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5105 } 5106 5107 canvas.restore(); 5108 } 5109 5110 @Override 5111 public void getFocusedRect(Rect r) { 5112 if (mLayout == null) { 5113 super.getFocusedRect(r); 5114 return; 5115 } 5116 5117 int selEnd = getSelectionEnd(); 5118 if (selEnd < 0) { 5119 super.getFocusedRect(r); 5120 return; 5121 } 5122 5123 int selStart = getSelectionStart(); 5124 if (selStart < 0 || selStart >= selEnd) { 5125 int line = mLayout.getLineForOffset(selEnd); 5126 r.top = mLayout.getLineTop(line); 5127 r.bottom = mLayout.getLineBottom(line); 5128 r.left = (int) mLayout.getPrimaryHorizontal(selEnd) - 2; 5129 r.right = r.left + 4; 5130 } else { 5131 int lineStart = mLayout.getLineForOffset(selStart); 5132 int lineEnd = mLayout.getLineForOffset(selEnd); 5133 r.top = mLayout.getLineTop(lineStart); 5134 r.bottom = mLayout.getLineBottom(lineEnd); 5135 if (lineStart == lineEnd) { 5136 r.left = (int) mLayout.getPrimaryHorizontal(selStart); 5137 r.right = (int) mLayout.getPrimaryHorizontal(selEnd); 5138 } else { 5139 // Selection extends across multiple lines -- make the focused 5140 // rect cover the entire width. 5141 if (mHighlightPathBogus) { 5142 if (mHighlightPath == null) mHighlightPath = new Path(); 5143 mHighlightPath.reset(); 5144 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 5145 mHighlightPathBogus = false; 5146 } 5147 synchronized (TEMP_RECTF) { 5148 mHighlightPath.computeBounds(TEMP_RECTF, true); 5149 r.left = (int)TEMP_RECTF.left-1; 5150 r.right = (int)TEMP_RECTF.right+1; 5151 } 5152 } 5153 } 5154 5155 // Adjust for padding and gravity. 5156 int paddingLeft = getCompoundPaddingLeft(); 5157 int paddingTop = getExtendedPaddingTop(); 5158 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5159 paddingTop += getVerticalOffset(false); 5160 } 5161 r.offset(paddingLeft, paddingTop); 5162 int paddingBottom = getExtendedPaddingBottom(); 5163 r.bottom += paddingBottom; 5164 } 5165 5166 /** 5167 * Return the number of lines of text, or 0 if the internal Layout has not 5168 * been built. 5169 */ 5170 public int getLineCount() { 5171 return mLayout != null ? mLayout.getLineCount() : 0; 5172 } 5173 5174 /** 5175 * Return the baseline for the specified line (0...getLineCount() - 1) 5176 * If bounds is not null, return the top, left, right, bottom extents 5177 * of the specified line in it. If the internal Layout has not been built, 5178 * return 0 and set bounds to (0, 0, 0, 0) 5179 * @param line which line to examine (0..getLineCount() - 1) 5180 * @param bounds Optional. If not null, it returns the extent of the line 5181 * @return the Y-coordinate of the baseline 5182 */ 5183 public int getLineBounds(int line, Rect bounds) { 5184 if (mLayout == null) { 5185 if (bounds != null) { 5186 bounds.set(0, 0, 0, 0); 5187 } 5188 return 0; 5189 } 5190 else { 5191 int baseline = mLayout.getLineBounds(line, bounds); 5192 5193 int voffset = getExtendedPaddingTop(); 5194 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5195 voffset += getVerticalOffset(true); 5196 } 5197 if (bounds != null) { 5198 bounds.offset(getCompoundPaddingLeft(), voffset); 5199 } 5200 return baseline + voffset; 5201 } 5202 } 5203 5204 @Override 5205 public int getBaseline() { 5206 if (mLayout == null) { 5207 return super.getBaseline(); 5208 } 5209 5210 int voffset = 0; 5211 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5212 voffset = getVerticalOffset(true); 5213 } 5214 5215 if (isLayoutModeOptical(mParent)) { 5216 voffset -= getOpticalInsets().top; 5217 } 5218 5219 return getExtendedPaddingTop() + voffset + mLayout.getLineBaseline(0); 5220 } 5221 5222 /** 5223 * @hide 5224 */ 5225 @Override 5226 protected int getFadeTop(boolean offsetRequired) { 5227 if (mLayout == null) return 0; 5228 5229 int voffset = 0; 5230 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5231 voffset = getVerticalOffset(true); 5232 } 5233 5234 if (offsetRequired) voffset += getTopPaddingOffset(); 5235 5236 return getExtendedPaddingTop() + voffset; 5237 } 5238 5239 /** 5240 * @hide 5241 */ 5242 @Override 5243 protected int getFadeHeight(boolean offsetRequired) { 5244 return mLayout != null ? mLayout.getHeight() : 0; 5245 } 5246 5247 @Override 5248 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 5249 if (keyCode == KeyEvent.KEYCODE_BACK) { 5250 boolean isInSelectionMode = mEditor != null && mEditor.mSelectionActionMode != null; 5251 5252 if (isInSelectionMode) { 5253 if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) { 5254 KeyEvent.DispatcherState state = getKeyDispatcherState(); 5255 if (state != null) { 5256 state.startTracking(event, this); 5257 } 5258 return true; 5259 } else if (event.getAction() == KeyEvent.ACTION_UP) { 5260 KeyEvent.DispatcherState state = getKeyDispatcherState(); 5261 if (state != null) { 5262 state.handleUpEvent(event); 5263 } 5264 if (event.isTracking() && !event.isCanceled()) { 5265 stopSelectionActionMode(); 5266 return true; 5267 } 5268 } 5269 } 5270 } 5271 return super.onKeyPreIme(keyCode, event); 5272 } 5273 5274 @Override 5275 public boolean onKeyDown(int keyCode, KeyEvent event) { 5276 int which = doKeyDown(keyCode, event, null); 5277 if (which == 0) { 5278 return super.onKeyDown(keyCode, event); 5279 } 5280 5281 return true; 5282 } 5283 5284 @Override 5285 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 5286 KeyEvent down = KeyEvent.changeAction(event, KeyEvent.ACTION_DOWN); 5287 5288 int which = doKeyDown(keyCode, down, event); 5289 if (which == 0) { 5290 // Go through default dispatching. 5291 return super.onKeyMultiple(keyCode, repeatCount, event); 5292 } 5293 if (which == -1) { 5294 // Consumed the whole thing. 5295 return true; 5296 } 5297 5298 repeatCount--; 5299 5300 // We are going to dispatch the remaining events to either the input 5301 // or movement method. To do this, we will just send a repeated stream 5302 // of down and up events until we have done the complete repeatCount. 5303 // It would be nice if those interfaces had an onKeyMultiple() method, 5304 // but adding that is a more complicated change. 5305 KeyEvent up = KeyEvent.changeAction(event, KeyEvent.ACTION_UP); 5306 if (which == 1) { 5307 // mEditor and mEditor.mInput are not null from doKeyDown 5308 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 5309 while (--repeatCount > 0) { 5310 mEditor.mKeyListener.onKeyDown(this, (Editable)mText, keyCode, down); 5311 mEditor.mKeyListener.onKeyUp(this, (Editable)mText, keyCode, up); 5312 } 5313 hideErrorIfUnchanged(); 5314 5315 } else if (which == 2) { 5316 // mMovement is not null from doKeyDown 5317 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 5318 while (--repeatCount > 0) { 5319 mMovement.onKeyDown(this, (Spannable)mText, keyCode, down); 5320 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 5321 } 5322 } 5323 5324 return true; 5325 } 5326 5327 /** 5328 * Returns true if pressing ENTER in this field advances focus instead 5329 * of inserting the character. This is true mostly in single-line fields, 5330 * but also in mail addresses and subjects which will display on multiple 5331 * lines but where it doesn't make sense to insert newlines. 5332 */ 5333 private boolean shouldAdvanceFocusOnEnter() { 5334 if (getKeyListener() == null) { 5335 return false; 5336 } 5337 5338 if (mSingleLine) { 5339 return true; 5340 } 5341 5342 if (mEditor != null && 5343 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 5344 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 5345 if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS 5346 || variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT) { 5347 return true; 5348 } 5349 } 5350 5351 return false; 5352 } 5353 5354 /** 5355 * Returns true if pressing TAB in this field advances focus instead 5356 * of inserting the character. Insert tabs only in multi-line editors. 5357 */ 5358 private boolean shouldAdvanceFocusOnTab() { 5359 if (getKeyListener() != null && !mSingleLine && mEditor != null && 5360 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 5361 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 5362 if (variation == EditorInfo.TYPE_TEXT_FLAG_IME_MULTI_LINE 5363 || variation == EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE) { 5364 return false; 5365 } 5366 } 5367 return true; 5368 } 5369 5370 private int doKeyDown(int keyCode, KeyEvent event, KeyEvent otherEvent) { 5371 if (!isEnabled()) { 5372 return 0; 5373 } 5374 5375 // If this is the initial keydown, we don't want to prevent a movement away from this view. 5376 // While this shouldn't be necessary because any time we're preventing default movement we 5377 // should be restricting the focus to remain within this view, thus we'll also receive 5378 // the key up event, occasionally key up events will get dropped and we don't want to 5379 // prevent the user from traversing out of this on the next key down. 5380 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 5381 mPreventDefaultMovement = false; 5382 } 5383 5384 switch (keyCode) { 5385 case KeyEvent.KEYCODE_ENTER: 5386 if (event.hasNoModifiers()) { 5387 // When mInputContentType is set, we know that we are 5388 // running in a "modern" cupcake environment, so don't need 5389 // to worry about the application trying to capture 5390 // enter key events. 5391 if (mEditor != null && mEditor.mInputContentType != null) { 5392 // If there is an action listener, given them a 5393 // chance to consume the event. 5394 if (mEditor.mInputContentType.onEditorActionListener != null && 5395 mEditor.mInputContentType.onEditorActionListener.onEditorAction( 5396 this, EditorInfo.IME_NULL, event)) { 5397 mEditor.mInputContentType.enterDown = true; 5398 // We are consuming the enter key for them. 5399 return -1; 5400 } 5401 } 5402 5403 // If our editor should move focus when enter is pressed, or 5404 // this is a generated event from an IME action button, then 5405 // don't let it be inserted into the text. 5406 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 5407 || shouldAdvanceFocusOnEnter()) { 5408 if (hasOnClickListeners()) { 5409 return 0; 5410 } 5411 return -1; 5412 } 5413 } 5414 break; 5415 5416 case KeyEvent.KEYCODE_DPAD_CENTER: 5417 if (event.hasNoModifiers()) { 5418 if (shouldAdvanceFocusOnEnter()) { 5419 return 0; 5420 } 5421 } 5422 break; 5423 5424 case KeyEvent.KEYCODE_TAB: 5425 if (event.hasNoModifiers() || event.hasModifiers(KeyEvent.META_SHIFT_ON)) { 5426 if (shouldAdvanceFocusOnTab()) { 5427 return 0; 5428 } 5429 } 5430 break; 5431 5432 // Has to be done on key down (and not on key up) to correctly be intercepted. 5433 case KeyEvent.KEYCODE_BACK: 5434 if (mEditor != null && mEditor.mSelectionActionMode != null) { 5435 stopSelectionActionMode(); 5436 return -1; 5437 } 5438 break; 5439 } 5440 5441 if (mEditor != null && mEditor.mKeyListener != null) { 5442 resetErrorChangedFlag(); 5443 5444 boolean doDown = true; 5445 if (otherEvent != null) { 5446 try { 5447 beginBatchEdit(); 5448 final boolean handled = mEditor.mKeyListener.onKeyOther(this, (Editable) mText, 5449 otherEvent); 5450 hideErrorIfUnchanged(); 5451 doDown = false; 5452 if (handled) { 5453 return -1; 5454 } 5455 } catch (AbstractMethodError e) { 5456 // onKeyOther was added after 1.0, so if it isn't 5457 // implemented we need to try to dispatch as a regular down. 5458 } finally { 5459 endBatchEdit(); 5460 } 5461 } 5462 5463 if (doDown) { 5464 beginBatchEdit(); 5465 final boolean handled = mEditor.mKeyListener.onKeyDown(this, (Editable) mText, 5466 keyCode, event); 5467 endBatchEdit(); 5468 hideErrorIfUnchanged(); 5469 if (handled) return 1; 5470 } 5471 } 5472 5473 // bug 650865: sometimes we get a key event before a layout. 5474 // don't try to move around if we don't know the layout. 5475 5476 if (mMovement != null && mLayout != null) { 5477 boolean doDown = true; 5478 if (otherEvent != null) { 5479 try { 5480 boolean handled = mMovement.onKeyOther(this, (Spannable) mText, 5481 otherEvent); 5482 doDown = false; 5483 if (handled) { 5484 return -1; 5485 } 5486 } catch (AbstractMethodError e) { 5487 // onKeyOther was added after 1.0, so if it isn't 5488 // implemented we need to try to dispatch as a regular down. 5489 } 5490 } 5491 if (doDown) { 5492 if (mMovement.onKeyDown(this, (Spannable)mText, keyCode, event)) { 5493 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 5494 mPreventDefaultMovement = true; 5495 } 5496 return 2; 5497 } 5498 } 5499 } 5500 5501 return mPreventDefaultMovement && !KeyEvent.isModifierKey(keyCode) ? -1 : 0; 5502 } 5503 5504 /** 5505 * Resets the mErrorWasChanged flag, so that future calls to {@link #setError(CharSequence)} 5506 * can be recorded. 5507 * @hide 5508 */ 5509 public void resetErrorChangedFlag() { 5510 /* 5511 * Keep track of what the error was before doing the input 5512 * so that if an input filter changed the error, we leave 5513 * that error showing. Otherwise, we take down whatever 5514 * error was showing when the user types something. 5515 */ 5516 if (mEditor != null) mEditor.mErrorWasChanged = false; 5517 } 5518 5519 /** 5520 * @hide 5521 */ 5522 public void hideErrorIfUnchanged() { 5523 if (mEditor != null && mEditor.mError != null && !mEditor.mErrorWasChanged) { 5524 setError(null, null); 5525 } 5526 } 5527 5528 @Override 5529 public boolean onKeyUp(int keyCode, KeyEvent event) { 5530 if (!isEnabled()) { 5531 return super.onKeyUp(keyCode, event); 5532 } 5533 5534 if (!KeyEvent.isModifierKey(keyCode)) { 5535 mPreventDefaultMovement = false; 5536 } 5537 5538 switch (keyCode) { 5539 case KeyEvent.KEYCODE_DPAD_CENTER: 5540 if (event.hasNoModifiers()) { 5541 /* 5542 * If there is a click listener, just call through to 5543 * super, which will invoke it. 5544 * 5545 * If there isn't a click listener, try to show the soft 5546 * input method. (It will also 5547 * call performClick(), but that won't do anything in 5548 * this case.) 5549 */ 5550 if (!hasOnClickListeners()) { 5551 if (mMovement != null && mText instanceof Editable 5552 && mLayout != null && onCheckIsTextEditor()) { 5553 InputMethodManager imm = InputMethodManager.peekInstance(); 5554 viewClicked(imm); 5555 if (imm != null && getShowSoftInputOnFocus()) { 5556 imm.showSoftInput(this, 0); 5557 } 5558 } 5559 } 5560 } 5561 return super.onKeyUp(keyCode, event); 5562 5563 case KeyEvent.KEYCODE_ENTER: 5564 if (event.hasNoModifiers()) { 5565 if (mEditor != null && mEditor.mInputContentType != null 5566 && mEditor.mInputContentType.onEditorActionListener != null 5567 && mEditor.mInputContentType.enterDown) { 5568 mEditor.mInputContentType.enterDown = false; 5569 if (mEditor.mInputContentType.onEditorActionListener.onEditorAction( 5570 this, EditorInfo.IME_NULL, event)) { 5571 return true; 5572 } 5573 } 5574 5575 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 5576 || shouldAdvanceFocusOnEnter()) { 5577 /* 5578 * If there is a click listener, just call through to 5579 * super, which will invoke it. 5580 * 5581 * If there isn't a click listener, try to advance focus, 5582 * but still call through to super, which will reset the 5583 * pressed state and longpress state. (It will also 5584 * call performClick(), but that won't do anything in 5585 * this case.) 5586 */ 5587 if (!hasOnClickListeners()) { 5588 View v = focusSearch(FOCUS_DOWN); 5589 5590 if (v != null) { 5591 if (!v.requestFocus(FOCUS_DOWN)) { 5592 throw new IllegalStateException( 5593 "focus search returned a view " + 5594 "that wasn't able to take focus!"); 5595 } 5596 5597 /* 5598 * Return true because we handled the key; super 5599 * will return false because there was no click 5600 * listener. 5601 */ 5602 super.onKeyUp(keyCode, event); 5603 return true; 5604 } else if ((event.getFlags() 5605 & KeyEvent.FLAG_EDITOR_ACTION) != 0) { 5606 // No target for next focus, but make sure the IME 5607 // if this came from it. 5608 InputMethodManager imm = InputMethodManager.peekInstance(); 5609 if (imm != null && imm.isActive(this)) { 5610 imm.hideSoftInputFromWindow(getWindowToken(), 0); 5611 } 5612 } 5613 } 5614 } 5615 return super.onKeyUp(keyCode, event); 5616 } 5617 break; 5618 } 5619 5620 if (mEditor != null && mEditor.mKeyListener != null) 5621 if (mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, event)) 5622 return true; 5623 5624 if (mMovement != null && mLayout != null) 5625 if (mMovement.onKeyUp(this, (Spannable) mText, keyCode, event)) 5626 return true; 5627 5628 return super.onKeyUp(keyCode, event); 5629 } 5630 5631 @Override 5632 public boolean onCheckIsTextEditor() { 5633 return mEditor != null && mEditor.mInputType != EditorInfo.TYPE_NULL; 5634 } 5635 5636 @Override 5637 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 5638 if (onCheckIsTextEditor() && isEnabled()) { 5639 mEditor.createInputMethodStateIfNeeded(); 5640 outAttrs.inputType = getInputType(); 5641 if (mEditor.mInputContentType != null) { 5642 outAttrs.imeOptions = mEditor.mInputContentType.imeOptions; 5643 outAttrs.privateImeOptions = mEditor.mInputContentType.privateImeOptions; 5644 outAttrs.actionLabel = mEditor.mInputContentType.imeActionLabel; 5645 outAttrs.actionId = mEditor.mInputContentType.imeActionId; 5646 outAttrs.extras = mEditor.mInputContentType.extras; 5647 } else { 5648 outAttrs.imeOptions = EditorInfo.IME_NULL; 5649 } 5650 if (focusSearch(FOCUS_DOWN) != null) { 5651 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_NEXT; 5652 } 5653 if (focusSearch(FOCUS_UP) != null) { 5654 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS; 5655 } 5656 if ((outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION) 5657 == EditorInfo.IME_ACTION_UNSPECIFIED) { 5658 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) { 5659 // An action has not been set, but the enter key will move to 5660 // the next focus, so set the action to that. 5661 outAttrs.imeOptions |= EditorInfo.IME_ACTION_NEXT; 5662 } else { 5663 // An action has not been set, and there is no focus to move 5664 // to, so let's just supply a "done" action. 5665 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 5666 } 5667 if (!shouldAdvanceFocusOnEnter()) { 5668 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 5669 } 5670 } 5671 if (isMultilineInputType(outAttrs.inputType)) { 5672 // Multi-line text editors should always show an enter key. 5673 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 5674 } 5675 outAttrs.hintText = mHint; 5676 if (mText instanceof Editable) { 5677 InputConnection ic = new EditableInputConnection(this); 5678 outAttrs.initialSelStart = getSelectionStart(); 5679 outAttrs.initialSelEnd = getSelectionEnd(); 5680 outAttrs.initialCapsMode = ic.getCursorCapsMode(getInputType()); 5681 return ic; 5682 } 5683 } 5684 return null; 5685 } 5686 5687 /** 5688 * If this TextView contains editable content, extract a portion of it 5689 * based on the information in <var>request</var> in to <var>outText</var>. 5690 * @return Returns true if the text was successfully extracted, else false. 5691 */ 5692 public boolean extractText(ExtractedTextRequest request, ExtractedText outText) { 5693 createEditorIfNeeded(); 5694 return mEditor.extractText(request, outText); 5695 } 5696 5697 /** 5698 * This is used to remove all style-impacting spans from text before new 5699 * extracted text is being replaced into it, so that we don't have any 5700 * lingering spans applied during the replace. 5701 */ 5702 static void removeParcelableSpans(Spannable spannable, int start, int end) { 5703 Object[] spans = spannable.getSpans(start, end, ParcelableSpan.class); 5704 int i = spans.length; 5705 while (i > 0) { 5706 i--; 5707 spannable.removeSpan(spans[i]); 5708 } 5709 } 5710 5711 /** 5712 * Apply to this text view the given extracted text, as previously 5713 * returned by {@link #extractText(ExtractedTextRequest, ExtractedText)}. 5714 */ 5715 public void setExtractedText(ExtractedText text) { 5716 Editable content = getEditableText(); 5717 if (text.text != null) { 5718 if (content == null) { 5719 setText(text.text, TextView.BufferType.EDITABLE); 5720 } else if (text.partialStartOffset < 0) { 5721 removeParcelableSpans(content, 0, content.length()); 5722 content.replace(0, content.length(), text.text); 5723 } else { 5724 final int N = content.length(); 5725 int start = text.partialStartOffset; 5726 if (start > N) start = N; 5727 int end = text.partialEndOffset; 5728 if (end > N) end = N; 5729 removeParcelableSpans(content, start, end); 5730 content.replace(start, end, text.text); 5731 } 5732 } 5733 5734 // Now set the selection position... make sure it is in range, to 5735 // avoid crashes. If this is a partial update, it is possible that 5736 // the underlying text may have changed, causing us problems here. 5737 // Also we just don't want to trust clients to do the right thing. 5738 Spannable sp = (Spannable)getText(); 5739 final int N = sp.length(); 5740 int start = text.selectionStart; 5741 if (start < 0) start = 0; 5742 else if (start > N) start = N; 5743 int end = text.selectionEnd; 5744 if (end < 0) end = 0; 5745 else if (end > N) end = N; 5746 Selection.setSelection(sp, start, end); 5747 5748 // Finally, update the selection mode. 5749 if ((text.flags&ExtractedText.FLAG_SELECTING) != 0) { 5750 MetaKeyKeyListener.startSelecting(this, sp); 5751 } else { 5752 MetaKeyKeyListener.stopSelecting(this, sp); 5753 } 5754 } 5755 5756 /** 5757 * @hide 5758 */ 5759 public void setExtracting(ExtractedTextRequest req) { 5760 if (mEditor.mInputMethodState != null) { 5761 mEditor.mInputMethodState.mExtractedTextRequest = req; 5762 } 5763 // This would stop a possible selection mode, but no such mode is started in case 5764 // extracted mode will start. Some text is selected though, and will trigger an action mode 5765 // in the extracted view. 5766 mEditor.hideControllers(); 5767 } 5768 5769 /** 5770 * Called by the framework in response to a text completion from 5771 * the current input method, provided by it calling 5772 * {@link InputConnection#commitCompletion 5773 * InputConnection.commitCompletion()}. The default implementation does 5774 * nothing; text views that are supporting auto-completion should override 5775 * this to do their desired behavior. 5776 * 5777 * @param text The auto complete text the user has selected. 5778 */ 5779 public void onCommitCompletion(CompletionInfo text) { 5780 // intentionally empty 5781 } 5782 5783 /** 5784 * Called by the framework in response to a text auto-correction (such as fixing a typo using a 5785 * a dictionnary) from the current input method, provided by it calling 5786 * {@link InputConnection#commitCorrection} InputConnection.commitCorrection()}. The default 5787 * implementation flashes the background of the corrected word to provide feedback to the user. 5788 * 5789 * @param info The auto correct info about the text that was corrected. 5790 */ 5791 public void onCommitCorrection(CorrectionInfo info) { 5792 if (mEditor != null) mEditor.onCommitCorrection(info); 5793 } 5794 5795 public void beginBatchEdit() { 5796 if (mEditor != null) mEditor.beginBatchEdit(); 5797 } 5798 5799 public void endBatchEdit() { 5800 if (mEditor != null) mEditor.endBatchEdit(); 5801 } 5802 5803 /** 5804 * Called by the framework in response to a request to begin a batch 5805 * of edit operations through a call to link {@link #beginBatchEdit()}. 5806 */ 5807 public void onBeginBatchEdit() { 5808 // intentionally empty 5809 } 5810 5811 /** 5812 * Called by the framework in response to a request to end a batch 5813 * of edit operations through a call to link {@link #endBatchEdit}. 5814 */ 5815 public void onEndBatchEdit() { 5816 // intentionally empty 5817 } 5818 5819 /** 5820 * Called by the framework in response to a private command from the 5821 * current method, provided by it calling 5822 * {@link InputConnection#performPrivateCommand 5823 * InputConnection.performPrivateCommand()}. 5824 * 5825 * @param action The action name of the command. 5826 * @param data Any additional data for the command. This may be null. 5827 * @return Return true if you handled the command, else false. 5828 */ 5829 public boolean onPrivateIMECommand(String action, Bundle data) { 5830 return false; 5831 } 5832 5833 private void nullLayouts() { 5834 if (mLayout instanceof BoringLayout && mSavedLayout == null) { 5835 mSavedLayout = (BoringLayout) mLayout; 5836 } 5837 if (mHintLayout instanceof BoringLayout && mSavedHintLayout == null) { 5838 mSavedHintLayout = (BoringLayout) mHintLayout; 5839 } 5840 5841 mSavedMarqueeModeLayout = mLayout = mHintLayout = null; 5842 5843 mBoring = mHintBoring = null; 5844 5845 // Since it depends on the value of mLayout 5846 if (mEditor != null) mEditor.prepareCursorControllers(); 5847 } 5848 5849 /** 5850 * Make a new Layout based on the already-measured size of the view, 5851 * on the assumption that it was measured correctly at some point. 5852 */ 5853 private void assumeLayout() { 5854 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 5855 5856 if (width < 1) { 5857 width = 0; 5858 } 5859 5860 int physicalWidth = width; 5861 5862 if (mHorizontallyScrolling) { 5863 width = VERY_WIDE; 5864 } 5865 5866 makeNewLayout(width, physicalWidth, UNKNOWN_BORING, UNKNOWN_BORING, 5867 physicalWidth, false); 5868 } 5869 5870 private Layout.Alignment getLayoutAlignment() { 5871 Layout.Alignment alignment; 5872 switch (getTextAlignment()) { 5873 case TEXT_ALIGNMENT_GRAVITY: 5874 switch (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) { 5875 case Gravity.START: 5876 alignment = Layout.Alignment.ALIGN_NORMAL; 5877 break; 5878 case Gravity.END: 5879 alignment = Layout.Alignment.ALIGN_OPPOSITE; 5880 break; 5881 case Gravity.LEFT: 5882 alignment = Layout.Alignment.ALIGN_LEFT; 5883 break; 5884 case Gravity.RIGHT: 5885 alignment = Layout.Alignment.ALIGN_RIGHT; 5886 break; 5887 case Gravity.CENTER_HORIZONTAL: 5888 alignment = Layout.Alignment.ALIGN_CENTER; 5889 break; 5890 default: 5891 alignment = Layout.Alignment.ALIGN_NORMAL; 5892 break; 5893 } 5894 break; 5895 case TEXT_ALIGNMENT_TEXT_START: 5896 alignment = Layout.Alignment.ALIGN_NORMAL; 5897 break; 5898 case TEXT_ALIGNMENT_TEXT_END: 5899 alignment = Layout.Alignment.ALIGN_OPPOSITE; 5900 break; 5901 case TEXT_ALIGNMENT_CENTER: 5902 alignment = Layout.Alignment.ALIGN_CENTER; 5903 break; 5904 case TEXT_ALIGNMENT_VIEW_START: 5905 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 5906 Layout.Alignment.ALIGN_RIGHT : Layout.Alignment.ALIGN_LEFT; 5907 break; 5908 case TEXT_ALIGNMENT_VIEW_END: 5909 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) ? 5910 Layout.Alignment.ALIGN_LEFT : Layout.Alignment.ALIGN_RIGHT; 5911 break; 5912 case TEXT_ALIGNMENT_INHERIT: 5913 // This should never happen as we have already resolved the text alignment 5914 // but better safe than sorry so we just fall through 5915 default: 5916 alignment = Layout.Alignment.ALIGN_NORMAL; 5917 break; 5918 } 5919 return alignment; 5920 } 5921 5922 /** 5923 * The width passed in is now the desired layout width, 5924 * not the full view width with padding. 5925 * {@hide} 5926 */ 5927 protected void makeNewLayout(int wantWidth, int hintWidth, 5928 BoringLayout.Metrics boring, 5929 BoringLayout.Metrics hintBoring, 5930 int ellipsisWidth, boolean bringIntoView) { 5931 stopMarquee(); 5932 5933 // Update "old" cached values 5934 mOldMaximum = mMaximum; 5935 mOldMaxMode = mMaxMode; 5936 5937 mHighlightPathBogus = true; 5938 5939 if (wantWidth < 0) { 5940 wantWidth = 0; 5941 } 5942 if (hintWidth < 0) { 5943 hintWidth = 0; 5944 } 5945 5946 Layout.Alignment alignment = getLayoutAlignment(); 5947 final boolean testDirChange = mSingleLine && mLayout != null && 5948 (alignment == Layout.Alignment.ALIGN_NORMAL || 5949 alignment == Layout.Alignment.ALIGN_OPPOSITE); 5950 int oldDir = 0; 5951 if (testDirChange) oldDir = mLayout.getParagraphDirection(0); 5952 boolean shouldEllipsize = mEllipsize != null && getKeyListener() == null; 5953 final boolean switchEllipsize = mEllipsize == TruncateAt.MARQUEE && 5954 mMarqueeFadeMode != MARQUEE_FADE_NORMAL; 5955 TruncateAt effectiveEllipsize = mEllipsize; 5956 if (mEllipsize == TruncateAt.MARQUEE && 5957 mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 5958 effectiveEllipsize = TruncateAt.END_SMALL; 5959 } 5960 5961 if (mTextDir == null) { 5962 mTextDir = getTextDirectionHeuristic(); 5963 } 5964 5965 mLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, 5966 effectiveEllipsize, effectiveEllipsize == mEllipsize); 5967 if (switchEllipsize) { 5968 TruncateAt oppositeEllipsize = effectiveEllipsize == TruncateAt.MARQUEE ? 5969 TruncateAt.END : TruncateAt.MARQUEE; 5970 mSavedMarqueeModeLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, 5971 shouldEllipsize, oppositeEllipsize, effectiveEllipsize != mEllipsize); 5972 } 5973 5974 shouldEllipsize = mEllipsize != null; 5975 mHintLayout = null; 5976 5977 if (mHint != null) { 5978 if (shouldEllipsize) hintWidth = wantWidth; 5979 5980 if (hintBoring == UNKNOWN_BORING) { 5981 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, 5982 mHintBoring); 5983 if (hintBoring != null) { 5984 mHintBoring = hintBoring; 5985 } 5986 } 5987 5988 if (hintBoring != null) { 5989 if (hintBoring.width <= hintWidth && 5990 (!shouldEllipsize || hintBoring.width <= ellipsisWidth)) { 5991 if (mSavedHintLayout != null) { 5992 mHintLayout = mSavedHintLayout. 5993 replaceOrMake(mHint, mTextPaint, 5994 hintWidth, alignment, mSpacingMult, mSpacingAdd, 5995 hintBoring, mIncludePad); 5996 } else { 5997 mHintLayout = BoringLayout.make(mHint, mTextPaint, 5998 hintWidth, alignment, mSpacingMult, mSpacingAdd, 5999 hintBoring, mIncludePad); 6000 } 6001 6002 mSavedHintLayout = (BoringLayout) mHintLayout; 6003 } else if (shouldEllipsize && hintBoring.width <= hintWidth) { 6004 if (mSavedHintLayout != null) { 6005 mHintLayout = mSavedHintLayout. 6006 replaceOrMake(mHint, mTextPaint, 6007 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6008 hintBoring, mIncludePad, mEllipsize, 6009 ellipsisWidth); 6010 } else { 6011 mHintLayout = BoringLayout.make(mHint, mTextPaint, 6012 hintWidth, alignment, mSpacingMult, mSpacingAdd, 6013 hintBoring, mIncludePad, mEllipsize, 6014 ellipsisWidth); 6015 } 6016 } else if (shouldEllipsize) { 6017 mHintLayout = new StaticLayout(mHint, 6018 0, mHint.length(), 6019 mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, 6020 mSpacingAdd, mIncludePad, mEllipsize, 6021 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6022 } else { 6023 mHintLayout = new StaticLayout(mHint, mTextPaint, 6024 hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6025 mIncludePad); 6026 } 6027 } else if (shouldEllipsize) { 6028 mHintLayout = new StaticLayout(mHint, 6029 0, mHint.length(), 6030 mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, 6031 mSpacingAdd, mIncludePad, mEllipsize, 6032 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6033 } else { 6034 mHintLayout = new StaticLayout(mHint, mTextPaint, 6035 hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6036 mIncludePad); 6037 } 6038 } 6039 6040 if (bringIntoView || (testDirChange && oldDir != mLayout.getParagraphDirection(0))) { 6041 registerForPreDraw(); 6042 } 6043 6044 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6045 if (!compressText(ellipsisWidth)) { 6046 final int height = mLayoutParams.height; 6047 // If the size of the view does not depend on the size of the text, try to 6048 // start the marquee immediately 6049 if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.MATCH_PARENT) { 6050 startMarquee(); 6051 } else { 6052 // Defer the start of the marquee until we know our width (see setFrame()) 6053 mRestartMarquee = true; 6054 } 6055 } 6056 } 6057 6058 // CursorControllers need a non-null mLayout 6059 if (mEditor != null) mEditor.prepareCursorControllers(); 6060 } 6061 6062 private Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, 6063 Layout.Alignment alignment, boolean shouldEllipsize, TruncateAt effectiveEllipsize, 6064 boolean useSaved) { 6065 Layout result = null; 6066 if (mText instanceof Spannable) { 6067 result = new DynamicLayout(mText, mTransformed, mTextPaint, wantWidth, 6068 alignment, mTextDir, mSpacingMult, 6069 mSpacingAdd, mIncludePad, getKeyListener() == null ? effectiveEllipsize : null, 6070 ellipsisWidth); 6071 } else { 6072 if (boring == UNKNOWN_BORING) { 6073 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 6074 if (boring != null) { 6075 mBoring = boring; 6076 } 6077 } 6078 6079 if (boring != null) { 6080 if (boring.width <= wantWidth && 6081 (effectiveEllipsize == null || boring.width <= ellipsisWidth)) { 6082 if (useSaved && mSavedLayout != null) { 6083 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6084 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6085 boring, mIncludePad); 6086 } else { 6087 result = BoringLayout.make(mTransformed, mTextPaint, 6088 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6089 boring, mIncludePad); 6090 } 6091 6092 if (useSaved) { 6093 mSavedLayout = (BoringLayout) result; 6094 } 6095 } else if (shouldEllipsize && boring.width <= wantWidth) { 6096 if (useSaved && mSavedLayout != null) { 6097 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 6098 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6099 boring, mIncludePad, effectiveEllipsize, 6100 ellipsisWidth); 6101 } else { 6102 result = BoringLayout.make(mTransformed, mTextPaint, 6103 wantWidth, alignment, mSpacingMult, mSpacingAdd, 6104 boring, mIncludePad, effectiveEllipsize, 6105 ellipsisWidth); 6106 } 6107 } else if (shouldEllipsize) { 6108 result = new StaticLayout(mTransformed, 6109 0, mTransformed.length(), 6110 mTextPaint, wantWidth, alignment, mTextDir, mSpacingMult, 6111 mSpacingAdd, mIncludePad, effectiveEllipsize, 6112 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6113 } else { 6114 result = new StaticLayout(mTransformed, mTextPaint, 6115 wantWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6116 mIncludePad); 6117 } 6118 } else if (shouldEllipsize) { 6119 result = new StaticLayout(mTransformed, 6120 0, mTransformed.length(), 6121 mTextPaint, wantWidth, alignment, mTextDir, mSpacingMult, 6122 mSpacingAdd, mIncludePad, effectiveEllipsize, 6123 ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 6124 } else { 6125 result = new StaticLayout(mTransformed, mTextPaint, 6126 wantWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, 6127 mIncludePad); 6128 } 6129 } 6130 return result; 6131 } 6132 6133 private boolean compressText(float width) { 6134 if (isHardwareAccelerated()) return false; 6135 6136 // Only compress the text if it hasn't been compressed by the previous pass 6137 if (width > 0.0f && mLayout != null && getLineCount() == 1 && !mUserSetTextScaleX && 6138 mTextPaint.getTextScaleX() == 1.0f) { 6139 final float textWidth = mLayout.getLineWidth(0); 6140 final float overflow = (textWidth + 1.0f - width) / width; 6141 if (overflow > 0.0f && overflow <= Marquee.MARQUEE_DELTA_MAX) { 6142 mTextPaint.setTextScaleX(1.0f - overflow - 0.005f); 6143 post(new Runnable() { 6144 public void run() { 6145 requestLayout(); 6146 } 6147 }); 6148 return true; 6149 } 6150 } 6151 6152 return false; 6153 } 6154 6155 private static int desired(Layout layout) { 6156 int n = layout.getLineCount(); 6157 CharSequence text = layout.getText(); 6158 float max = 0; 6159 6160 // if any line was wrapped, we can't use it. 6161 // but it's ok for the last line not to have a newline 6162 6163 for (int i = 0; i < n - 1; i++) { 6164 if (text.charAt(layout.getLineEnd(i) - 1) != '\n') 6165 return -1; 6166 } 6167 6168 for (int i = 0; i < n; i++) { 6169 max = Math.max(max, layout.getLineWidth(i)); 6170 } 6171 6172 return (int) FloatMath.ceil(max); 6173 } 6174 6175 /** 6176 * Set whether the TextView includes extra top and bottom padding to make 6177 * room for accents that go above the normal ascent and descent. 6178 * The default is true. 6179 * 6180 * @see #getIncludeFontPadding() 6181 * 6182 * @attr ref android.R.styleable#TextView_includeFontPadding 6183 */ 6184 public void setIncludeFontPadding(boolean includepad) { 6185 if (mIncludePad != includepad) { 6186 mIncludePad = includepad; 6187 6188 if (mLayout != null) { 6189 nullLayouts(); 6190 requestLayout(); 6191 invalidate(); 6192 } 6193 } 6194 } 6195 6196 /** 6197 * Gets whether the TextView includes extra top and bottom padding to make 6198 * room for accents that go above the normal ascent and descent. 6199 * 6200 * @see #setIncludeFontPadding(boolean) 6201 * 6202 * @attr ref android.R.styleable#TextView_includeFontPadding 6203 */ 6204 public boolean getIncludeFontPadding() { 6205 return mIncludePad; 6206 } 6207 6208 private static final BoringLayout.Metrics UNKNOWN_BORING = new BoringLayout.Metrics(); 6209 6210 @Override 6211 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 6212 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 6213 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 6214 int widthSize = MeasureSpec.getSize(widthMeasureSpec); 6215 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 6216 6217 int width; 6218 int height; 6219 6220 BoringLayout.Metrics boring = UNKNOWN_BORING; 6221 BoringLayout.Metrics hintBoring = UNKNOWN_BORING; 6222 6223 if (mTextDir == null) { 6224 getTextDirectionHeuristic(); 6225 } 6226 6227 int des = -1; 6228 boolean fromexisting = false; 6229 6230 if (widthMode == MeasureSpec.EXACTLY) { 6231 // Parent has told us how big to be. So be it. 6232 width = widthSize; 6233 } else { 6234 if (mLayout != null && mEllipsize == null) { 6235 des = desired(mLayout); 6236 } 6237 6238 if (des < 0) { 6239 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 6240 if (boring != null) { 6241 mBoring = boring; 6242 } 6243 } else { 6244 fromexisting = true; 6245 } 6246 6247 if (boring == null || boring == UNKNOWN_BORING) { 6248 if (des < 0) { 6249 des = (int) FloatMath.ceil(Layout.getDesiredWidth(mTransformed, mTextPaint)); 6250 } 6251 width = des; 6252 } else { 6253 width = boring.width; 6254 } 6255 6256 final Drawables dr = mDrawables; 6257 if (dr != null) { 6258 width = Math.max(width, dr.mDrawableWidthTop); 6259 width = Math.max(width, dr.mDrawableWidthBottom); 6260 } 6261 6262 if (mHint != null) { 6263 int hintDes = -1; 6264 int hintWidth; 6265 6266 if (mHintLayout != null && mEllipsize == null) { 6267 hintDes = desired(mHintLayout); 6268 } 6269 6270 if (hintDes < 0) { 6271 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring); 6272 if (hintBoring != null) { 6273 mHintBoring = hintBoring; 6274 } 6275 } 6276 6277 if (hintBoring == null || hintBoring == UNKNOWN_BORING) { 6278 if (hintDes < 0) { 6279 hintDes = (int) FloatMath.ceil(Layout.getDesiredWidth(mHint, mTextPaint)); 6280 } 6281 hintWidth = hintDes; 6282 } else { 6283 hintWidth = hintBoring.width; 6284 } 6285 6286 if (hintWidth > width) { 6287 width = hintWidth; 6288 } 6289 } 6290 6291 width += getCompoundPaddingLeft() + getCompoundPaddingRight(); 6292 6293 if (mMaxWidthMode == EMS) { 6294 width = Math.min(width, mMaxWidth * getLineHeight()); 6295 } else { 6296 width = Math.min(width, mMaxWidth); 6297 } 6298 6299 if (mMinWidthMode == EMS) { 6300 width = Math.max(width, mMinWidth * getLineHeight()); 6301 } else { 6302 width = Math.max(width, mMinWidth); 6303 } 6304 6305 // Check against our minimum width 6306 width = Math.max(width, getSuggestedMinimumWidth()); 6307 6308 if (widthMode == MeasureSpec.AT_MOST) { 6309 width = Math.min(widthSize, width); 6310 } 6311 } 6312 6313 int want = width - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6314 int unpaddedWidth = want; 6315 6316 if (mHorizontallyScrolling) want = VERY_WIDE; 6317 6318 int hintWant = want; 6319 int hintWidth = (mHintLayout == null) ? hintWant : mHintLayout.getWidth(); 6320 6321 if (mLayout == null) { 6322 makeNewLayout(want, hintWant, boring, hintBoring, 6323 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 6324 } else { 6325 final boolean layoutChanged = (mLayout.getWidth() != want) || 6326 (hintWidth != hintWant) || 6327 (mLayout.getEllipsizedWidth() != 6328 width - getCompoundPaddingLeft() - getCompoundPaddingRight()); 6329 6330 final boolean widthChanged = (mHint == null) && 6331 (mEllipsize == null) && 6332 (want > mLayout.getWidth()) && 6333 (mLayout instanceof BoringLayout || (fromexisting && des >= 0 && des <= want)); 6334 6335 final boolean maximumChanged = (mMaxMode != mOldMaxMode) || (mMaximum != mOldMaximum); 6336 6337 if (layoutChanged || maximumChanged) { 6338 if (!maximumChanged && widthChanged) { 6339 mLayout.increaseWidthTo(want); 6340 } else { 6341 makeNewLayout(want, hintWant, boring, hintBoring, 6342 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 6343 } 6344 } else { 6345 // Nothing has changed 6346 } 6347 } 6348 6349 if (heightMode == MeasureSpec.EXACTLY) { 6350 // Parent has told us how big to be. So be it. 6351 height = heightSize; 6352 mDesiredHeightAtMeasure = -1; 6353 } else { 6354 int desired = getDesiredHeight(); 6355 6356 height = desired; 6357 mDesiredHeightAtMeasure = desired; 6358 6359 if (heightMode == MeasureSpec.AT_MOST) { 6360 height = Math.min(desired, heightSize); 6361 } 6362 } 6363 6364 int unpaddedHeight = height - getCompoundPaddingTop() - getCompoundPaddingBottom(); 6365 if (mMaxMode == LINES && mLayout.getLineCount() > mMaximum) { 6366 unpaddedHeight = Math.min(unpaddedHeight, mLayout.getLineTop(mMaximum)); 6367 } 6368 6369 /* 6370 * We didn't let makeNewLayout() register to bring the cursor into view, 6371 * so do it here if there is any possibility that it is needed. 6372 */ 6373 if (mMovement != null || 6374 mLayout.getWidth() > unpaddedWidth || 6375 mLayout.getHeight() > unpaddedHeight) { 6376 registerForPreDraw(); 6377 } else { 6378 scrollTo(0, 0); 6379 } 6380 6381 setMeasuredDimension(width, height); 6382 } 6383 6384 private int getDesiredHeight() { 6385 return Math.max( 6386 getDesiredHeight(mLayout, true), 6387 getDesiredHeight(mHintLayout, mEllipsize != null)); 6388 } 6389 6390 private int getDesiredHeight(Layout layout, boolean cap) { 6391 if (layout == null) { 6392 return 0; 6393 } 6394 6395 int linecount = layout.getLineCount(); 6396 int pad = getCompoundPaddingTop() + getCompoundPaddingBottom(); 6397 int desired = layout.getLineTop(linecount); 6398 6399 final Drawables dr = mDrawables; 6400 if (dr != null) { 6401 desired = Math.max(desired, dr.mDrawableHeightLeft); 6402 desired = Math.max(desired, dr.mDrawableHeightRight); 6403 } 6404 6405 desired += pad; 6406 6407 if (mMaxMode == LINES) { 6408 /* 6409 * Don't cap the hint to a certain number of lines. 6410 * (Do cap it, though, if we have a maximum pixel height.) 6411 */ 6412 if (cap) { 6413 if (linecount > mMaximum) { 6414 desired = layout.getLineTop(mMaximum); 6415 6416 if (dr != null) { 6417 desired = Math.max(desired, dr.mDrawableHeightLeft); 6418 desired = Math.max(desired, dr.mDrawableHeightRight); 6419 } 6420 6421 desired += pad; 6422 linecount = mMaximum; 6423 } 6424 } 6425 } else { 6426 desired = Math.min(desired, mMaximum); 6427 } 6428 6429 if (mMinMode == LINES) { 6430 if (linecount < mMinimum) { 6431 desired += getLineHeight() * (mMinimum - linecount); 6432 } 6433 } else { 6434 desired = Math.max(desired, mMinimum); 6435 } 6436 6437 // Check against our minimum height 6438 desired = Math.max(desired, getSuggestedMinimumHeight()); 6439 6440 return desired; 6441 } 6442 6443 /** 6444 * Check whether a change to the existing text layout requires a 6445 * new view layout. 6446 */ 6447 private void checkForResize() { 6448 boolean sizeChanged = false; 6449 6450 if (mLayout != null) { 6451 // Check if our width changed 6452 if (mLayoutParams.width == LayoutParams.WRAP_CONTENT) { 6453 sizeChanged = true; 6454 invalidate(); 6455 } 6456 6457 // Check if our height changed 6458 if (mLayoutParams.height == LayoutParams.WRAP_CONTENT) { 6459 int desiredHeight = getDesiredHeight(); 6460 6461 if (desiredHeight != this.getHeight()) { 6462 sizeChanged = true; 6463 } 6464 } else if (mLayoutParams.height == LayoutParams.MATCH_PARENT) { 6465 if (mDesiredHeightAtMeasure >= 0) { 6466 int desiredHeight = getDesiredHeight(); 6467 6468 if (desiredHeight != mDesiredHeightAtMeasure) { 6469 sizeChanged = true; 6470 } 6471 } 6472 } 6473 } 6474 6475 if (sizeChanged) { 6476 requestLayout(); 6477 // caller will have already invalidated 6478 } 6479 } 6480 6481 /** 6482 * Check whether entirely new text requires a new view layout 6483 * or merely a new text layout. 6484 */ 6485 private void checkForRelayout() { 6486 // If we have a fixed width, we can just swap in a new text layout 6487 // if the text height stays the same or if the view height is fixed. 6488 6489 if ((mLayoutParams.width != LayoutParams.WRAP_CONTENT || 6490 (mMaxWidthMode == mMinWidthMode && mMaxWidth == mMinWidth)) && 6491 (mHint == null || mHintLayout != null) && 6492 (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight() > 0)) { 6493 // Static width, so try making a new text layout. 6494 6495 int oldht = mLayout.getHeight(); 6496 int want = mLayout.getWidth(); 6497 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 6498 6499 /* 6500 * No need to bring the text into view, since the size is not 6501 * changing (unless we do the requestLayout(), in which case it 6502 * will happen at measure). 6503 */ 6504 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 6505 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), 6506 false); 6507 6508 if (mEllipsize != TextUtils.TruncateAt.MARQUEE) { 6509 // In a fixed-height view, so use our new text layout. 6510 if (mLayoutParams.height != LayoutParams.WRAP_CONTENT && 6511 mLayoutParams.height != LayoutParams.MATCH_PARENT) { 6512 invalidate(); 6513 return; 6514 } 6515 6516 // Dynamic height, but height has stayed the same, 6517 // so use our new text layout. 6518 if (mLayout.getHeight() == oldht && 6519 (mHintLayout == null || mHintLayout.getHeight() == oldht)) { 6520 invalidate(); 6521 return; 6522 } 6523 } 6524 6525 // We lose: the height has changed and we have a dynamic height. 6526 // Request a new view layout using our new text layout. 6527 requestLayout(); 6528 invalidate(); 6529 } else { 6530 // Dynamic width, so we have no choice but to request a new 6531 // view layout with a new text layout. 6532 nullLayouts(); 6533 requestLayout(); 6534 invalidate(); 6535 } 6536 } 6537 6538 @Override 6539 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 6540 super.onLayout(changed, left, top, right, bottom); 6541 if (mDeferScroll >= 0) { 6542 int curs = mDeferScroll; 6543 mDeferScroll = -1; 6544 bringPointIntoView(Math.min(curs, mText.length())); 6545 } 6546 } 6547 6548 private boolean isShowingHint() { 6549 return TextUtils.isEmpty(mText) && !TextUtils.isEmpty(mHint); 6550 } 6551 6552 /** 6553 * Returns true if anything changed. 6554 */ 6555 private boolean bringTextIntoView() { 6556 Layout layout = isShowingHint() ? mHintLayout : mLayout; 6557 int line = 0; 6558 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 6559 line = layout.getLineCount() - 1; 6560 } 6561 6562 Layout.Alignment a = layout.getParagraphAlignment(line); 6563 int dir = layout.getParagraphDirection(line); 6564 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6565 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 6566 int ht = layout.getHeight(); 6567 6568 int scrollx, scrolly; 6569 6570 // Convert to left, center, or right alignment. 6571 if (a == Layout.Alignment.ALIGN_NORMAL) { 6572 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_LEFT : 6573 Layout.Alignment.ALIGN_RIGHT; 6574 } else if (a == Layout.Alignment.ALIGN_OPPOSITE){ 6575 a = dir == Layout.DIR_LEFT_TO_RIGHT ? Layout.Alignment.ALIGN_RIGHT : 6576 Layout.Alignment.ALIGN_LEFT; 6577 } 6578 6579 if (a == Layout.Alignment.ALIGN_CENTER) { 6580 /* 6581 * Keep centered if possible, or, if it is too wide to fit, 6582 * keep leading edge in view. 6583 */ 6584 6585 int left = (int) FloatMath.floor(layout.getLineLeft(line)); 6586 int right = (int) FloatMath.ceil(layout.getLineRight(line)); 6587 6588 if (right - left < hspace) { 6589 scrollx = (right + left) / 2 - hspace / 2; 6590 } else { 6591 if (dir < 0) { 6592 scrollx = right - hspace; 6593 } else { 6594 scrollx = left; 6595 } 6596 } 6597 } else if (a == Layout.Alignment.ALIGN_RIGHT) { 6598 int right = (int) FloatMath.ceil(layout.getLineRight(line)); 6599 scrollx = right - hspace; 6600 } else { // a == Layout.Alignment.ALIGN_LEFT (will also be the default) 6601 scrollx = (int) FloatMath.floor(layout.getLineLeft(line)); 6602 } 6603 6604 if (ht < vspace) { 6605 scrolly = 0; 6606 } else { 6607 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 6608 scrolly = ht - vspace; 6609 } else { 6610 scrolly = 0; 6611 } 6612 } 6613 6614 if (scrollx != mScrollX || scrolly != mScrollY) { 6615 scrollTo(scrollx, scrolly); 6616 return true; 6617 } else { 6618 return false; 6619 } 6620 } 6621 6622 /** 6623 * Move the point, specified by the offset, into the view if it is needed. 6624 * This has to be called after layout. Returns true if anything changed. 6625 */ 6626 public boolean bringPointIntoView(int offset) { 6627 if (isLayoutRequested()) { 6628 mDeferScroll = offset; 6629 return false; 6630 } 6631 boolean changed = false; 6632 6633 Layout layout = isShowingHint() ? mHintLayout: mLayout; 6634 6635 if (layout == null) return changed; 6636 6637 int line = layout.getLineForOffset(offset); 6638 6639 int grav; 6640 6641 switch (layout.getParagraphAlignment(line)) { 6642 case ALIGN_LEFT: 6643 grav = 1; 6644 break; 6645 case ALIGN_RIGHT: 6646 grav = -1; 6647 break; 6648 case ALIGN_NORMAL: 6649 grav = layout.getParagraphDirection(line); 6650 break; 6651 case ALIGN_OPPOSITE: 6652 grav = -layout.getParagraphDirection(line); 6653 break; 6654 case ALIGN_CENTER: 6655 default: 6656 grav = 0; 6657 break; 6658 } 6659 6660 // We only want to clamp the cursor to fit within the layout width 6661 // in left-to-right modes, because in a right to left alignment, 6662 // we want to scroll to keep the line-right on the screen, as other 6663 // lines are likely to have text flush with the right margin, which 6664 // we want to keep visible. 6665 // A better long-term solution would probably be to measure both 6666 // the full line and a blank-trimmed version, and, for example, use 6667 // the latter measurement for centering and right alignment, but for 6668 // the time being we only implement the cursor clamping in left to 6669 // right where it is most likely to be annoying. 6670 final boolean clamped = grav > 0; 6671 // FIXME: Is it okay to truncate this, or should we round? 6672 final int x = (int)layout.getPrimaryHorizontal(offset, clamped); 6673 final int top = layout.getLineTop(line); 6674 final int bottom = layout.getLineTop(line + 1); 6675 6676 int left = (int) FloatMath.floor(layout.getLineLeft(line)); 6677 int right = (int) FloatMath.ceil(layout.getLineRight(line)); 6678 int ht = layout.getHeight(); 6679 6680 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6681 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 6682 if (!mHorizontallyScrolling && right - left > hspace && right > x) { 6683 // If cursor has been clamped, make sure we don't scroll. 6684 right = Math.max(x, left + hspace); 6685 } 6686 6687 int hslack = (bottom - top) / 2; 6688 int vslack = hslack; 6689 6690 if (vslack > vspace / 4) 6691 vslack = vspace / 4; 6692 if (hslack > hspace / 4) 6693 hslack = hspace / 4; 6694 6695 int hs = mScrollX; 6696 int vs = mScrollY; 6697 6698 if (top - vs < vslack) 6699 vs = top - vslack; 6700 if (bottom - vs > vspace - vslack) 6701 vs = bottom - (vspace - vslack); 6702 if (ht - vs < vspace) 6703 vs = ht - vspace; 6704 if (0 - vs > 0) 6705 vs = 0; 6706 6707 if (grav != 0) { 6708 if (x - hs < hslack) { 6709 hs = x - hslack; 6710 } 6711 if (x - hs > hspace - hslack) { 6712 hs = x - (hspace - hslack); 6713 } 6714 } 6715 6716 if (grav < 0) { 6717 if (left - hs > 0) 6718 hs = left; 6719 if (right - hs < hspace) 6720 hs = right - hspace; 6721 } else if (grav > 0) { 6722 if (right - hs < hspace) 6723 hs = right - hspace; 6724 if (left - hs > 0) 6725 hs = left; 6726 } else /* grav == 0 */ { 6727 if (right - left <= hspace) { 6728 /* 6729 * If the entire text fits, center it exactly. 6730 */ 6731 hs = left - (hspace - (right - left)) / 2; 6732 } else if (x > right - hslack) { 6733 /* 6734 * If we are near the right edge, keep the right edge 6735 * at the edge of the view. 6736 */ 6737 hs = right - hspace; 6738 } else if (x < left + hslack) { 6739 /* 6740 * If we are near the left edge, keep the left edge 6741 * at the edge of the view. 6742 */ 6743 hs = left; 6744 } else if (left > hs) { 6745 /* 6746 * Is there whitespace visible at the left? Fix it if so. 6747 */ 6748 hs = left; 6749 } else if (right < hs + hspace) { 6750 /* 6751 * Is there whitespace visible at the right? Fix it if so. 6752 */ 6753 hs = right - hspace; 6754 } else { 6755 /* 6756 * Otherwise, float as needed. 6757 */ 6758 if (x - hs < hslack) { 6759 hs = x - hslack; 6760 } 6761 if (x - hs > hspace - hslack) { 6762 hs = x - (hspace - hslack); 6763 } 6764 } 6765 } 6766 6767 if (hs != mScrollX || vs != mScrollY) { 6768 if (mScroller == null) { 6769 scrollTo(hs, vs); 6770 } else { 6771 long duration = AnimationUtils.currentAnimationTimeMillis() - mLastScroll; 6772 int dx = hs - mScrollX; 6773 int dy = vs - mScrollY; 6774 6775 if (duration > ANIMATED_SCROLL_GAP) { 6776 mScroller.startScroll(mScrollX, mScrollY, dx, dy); 6777 awakenScrollBars(mScroller.getDuration()); 6778 invalidate(); 6779 } else { 6780 if (!mScroller.isFinished()) { 6781 mScroller.abortAnimation(); 6782 } 6783 6784 scrollBy(dx, dy); 6785 } 6786 6787 mLastScroll = AnimationUtils.currentAnimationTimeMillis(); 6788 } 6789 6790 changed = true; 6791 } 6792 6793 if (isFocused()) { 6794 // This offsets because getInterestingRect() is in terms of viewport coordinates, but 6795 // requestRectangleOnScreen() is in terms of content coordinates. 6796 6797 // The offsets here are to ensure the rectangle we are using is 6798 // within our view bounds, in case the cursor is on the far left 6799 // or right. If it isn't withing the bounds, then this request 6800 // will be ignored. 6801 if (mTempRect == null) mTempRect = new Rect(); 6802 mTempRect.set(x - 2, top, x + 2, bottom); 6803 getInterestingRect(mTempRect, line); 6804 mTempRect.offset(mScrollX, mScrollY); 6805 6806 if (requestRectangleOnScreen(mTempRect)) { 6807 changed = true; 6808 } 6809 } 6810 6811 return changed; 6812 } 6813 6814 /** 6815 * Move the cursor, if needed, so that it is at an offset that is visible 6816 * to the user. This will not move the cursor if it represents more than 6817 * one character (a selection range). This will only work if the 6818 * TextView contains spannable text; otherwise it will do nothing. 6819 * 6820 * @return True if the cursor was actually moved, false otherwise. 6821 */ 6822 public boolean moveCursorToVisibleOffset() { 6823 if (!(mText instanceof Spannable)) { 6824 return false; 6825 } 6826 int start = getSelectionStart(); 6827 int end = getSelectionEnd(); 6828 if (start != end) { 6829 return false; 6830 } 6831 6832 // First: make sure the line is visible on screen: 6833 6834 int line = mLayout.getLineForOffset(start); 6835 6836 final int top = mLayout.getLineTop(line); 6837 final int bottom = mLayout.getLineTop(line + 1); 6838 final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 6839 int vslack = (bottom - top) / 2; 6840 if (vslack > vspace / 4) 6841 vslack = vspace / 4; 6842 final int vs = mScrollY; 6843 6844 if (top < (vs+vslack)) { 6845 line = mLayout.getLineForVertical(vs+vslack+(bottom-top)); 6846 } else if (bottom > (vspace+vs-vslack)) { 6847 line = mLayout.getLineForVertical(vspace+vs-vslack-(bottom-top)); 6848 } 6849 6850 // Next: make sure the character is visible on screen: 6851 6852 final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 6853 final int hs = mScrollX; 6854 final int leftChar = mLayout.getOffsetForHorizontal(line, hs); 6855 final int rightChar = mLayout.getOffsetForHorizontal(line, hspace+hs); 6856 6857 // line might contain bidirectional text 6858 final int lowChar = leftChar < rightChar ? leftChar : rightChar; 6859 final int highChar = leftChar > rightChar ? leftChar : rightChar; 6860 6861 int newStart = start; 6862 if (newStart < lowChar) { 6863 newStart = lowChar; 6864 } else if (newStart > highChar) { 6865 newStart = highChar; 6866 } 6867 6868 if (newStart != start) { 6869 Selection.setSelection((Spannable)mText, newStart); 6870 return true; 6871 } 6872 6873 return false; 6874 } 6875 6876 @Override 6877 public void computeScroll() { 6878 if (mScroller != null) { 6879 if (mScroller.computeScrollOffset()) { 6880 mScrollX = mScroller.getCurrX(); 6881 mScrollY = mScroller.getCurrY(); 6882 invalidateParentCaches(); 6883 postInvalidate(); // So we draw again 6884 } 6885 } 6886 } 6887 6888 private void getInterestingRect(Rect r, int line) { 6889 convertFromViewportToContentCoordinates(r); 6890 6891 // Rectangle can can be expanded on first and last line to take 6892 // padding into account. 6893 // TODO Take left/right padding into account too? 6894 if (line == 0) r.top -= getExtendedPaddingTop(); 6895 if (line == mLayout.getLineCount() - 1) r.bottom += getExtendedPaddingBottom(); 6896 } 6897 6898 private void convertFromViewportToContentCoordinates(Rect r) { 6899 final int horizontalOffset = viewportToContentHorizontalOffset(); 6900 r.left += horizontalOffset; 6901 r.right += horizontalOffset; 6902 6903 final int verticalOffset = viewportToContentVerticalOffset(); 6904 r.top += verticalOffset; 6905 r.bottom += verticalOffset; 6906 } 6907 6908 int viewportToContentHorizontalOffset() { 6909 return getCompoundPaddingLeft() - mScrollX; 6910 } 6911 6912 int viewportToContentVerticalOffset() { 6913 int offset = getExtendedPaddingTop() - mScrollY; 6914 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 6915 offset += getVerticalOffset(false); 6916 } 6917 return offset; 6918 } 6919 6920 @Override 6921 public void debug(int depth) { 6922 super.debug(depth); 6923 6924 String output = debugIndent(depth); 6925 output += "frame={" + mLeft + ", " + mTop + ", " + mRight 6926 + ", " + mBottom + "} scroll={" + mScrollX + ", " + mScrollY 6927 + "} "; 6928 6929 if (mText != null) { 6930 6931 output += "mText=\"" + mText + "\" "; 6932 if (mLayout != null) { 6933 output += "mLayout width=" + mLayout.getWidth() 6934 + " height=" + mLayout.getHeight(); 6935 } 6936 } else { 6937 output += "mText=NULL"; 6938 } 6939 Log.d(VIEW_LOG_TAG, output); 6940 } 6941 6942 /** 6943 * Convenience for {@link Selection#getSelectionStart}. 6944 */ 6945 @ViewDebug.ExportedProperty(category = "text") 6946 public int getSelectionStart() { 6947 return Selection.getSelectionStart(getText()); 6948 } 6949 6950 /** 6951 * Convenience for {@link Selection#getSelectionEnd}. 6952 */ 6953 @ViewDebug.ExportedProperty(category = "text") 6954 public int getSelectionEnd() { 6955 return Selection.getSelectionEnd(getText()); 6956 } 6957 6958 /** 6959 * Return true iff there is a selection inside this text view. 6960 */ 6961 public boolean hasSelection() { 6962 final int selectionStart = getSelectionStart(); 6963 final int selectionEnd = getSelectionEnd(); 6964 6965 return selectionStart >= 0 && selectionStart != selectionEnd; 6966 } 6967 6968 /** 6969 * Sets the properties of this field (lines, horizontally scrolling, 6970 * transformation method) to be for a single-line input. 6971 * 6972 * @attr ref android.R.styleable#TextView_singleLine 6973 */ 6974 public void setSingleLine() { 6975 setSingleLine(true); 6976 } 6977 6978 /** 6979 * Sets the properties of this field to transform input to ALL CAPS 6980 * display. This may use a "small caps" formatting if available. 6981 * This setting will be ignored if this field is editable or selectable. 6982 * 6983 * This call replaces the current transformation method. Disabling this 6984 * will not necessarily restore the previous behavior from before this 6985 * was enabled. 6986 * 6987 * @see #setTransformationMethod(TransformationMethod) 6988 * @attr ref android.R.styleable#TextView_textAllCaps 6989 */ 6990 public void setAllCaps(boolean allCaps) { 6991 if (allCaps) { 6992 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 6993 } else { 6994 setTransformationMethod(null); 6995 } 6996 } 6997 6998 /** 6999 * If true, sets the properties of this field (number of lines, horizontally scrolling, 7000 * transformation method) to be for a single-line input; if false, restores these to the default 7001 * conditions. 7002 * 7003 * Note that the default conditions are not necessarily those that were in effect prior this 7004 * method, and you may want to reset these properties to your custom values. 7005 * 7006 * @attr ref android.R.styleable#TextView_singleLine 7007 */ 7008 @android.view.RemotableViewMethod 7009 public void setSingleLine(boolean singleLine) { 7010 // Could be used, but may break backward compatibility. 7011 // if (mSingleLine == singleLine) return; 7012 setInputTypeSingleLine(singleLine); 7013 applySingleLine(singleLine, true, true); 7014 } 7015 7016 /** 7017 * Adds or remove the EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE on the mInputType. 7018 * @param singleLine 7019 */ 7020 private void setInputTypeSingleLine(boolean singleLine) { 7021 if (mEditor != null && 7022 (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 7023 if (singleLine) { 7024 mEditor.mInputType &= ~EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7025 } else { 7026 mEditor.mInputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 7027 } 7028 } 7029 } 7030 7031 private void applySingleLine(boolean singleLine, boolean applyTransformation, 7032 boolean changeMaxLines) { 7033 mSingleLine = singleLine; 7034 if (singleLine) { 7035 setLines(1); 7036 setHorizontallyScrolling(true); 7037 if (applyTransformation) { 7038 setTransformationMethod(SingleLineTransformationMethod.getInstance()); 7039 } 7040 } else { 7041 if (changeMaxLines) { 7042 setMaxLines(Integer.MAX_VALUE); 7043 } 7044 setHorizontallyScrolling(false); 7045 if (applyTransformation) { 7046 setTransformationMethod(null); 7047 } 7048 } 7049 } 7050 7051 /** 7052 * Causes words in the text that are longer than the view is wide 7053 * to be ellipsized instead of broken in the middle. You may also 7054 * want to {@link #setSingleLine} or {@link #setHorizontallyScrolling} 7055 * to constrain the text to a single line. Use <code>null</code> 7056 * to turn off ellipsizing. 7057 * 7058 * If {@link #setMaxLines} has been used to set two or more lines, 7059 * {@link android.text.TextUtils.TruncateAt#END} and 7060 * {@link android.text.TextUtils.TruncateAt#MARQUEE}* are only supported 7061 * (other ellipsizing types will not do anything). 7062 * 7063 * @attr ref android.R.styleable#TextView_ellipsize 7064 */ 7065 public void setEllipsize(TextUtils.TruncateAt where) { 7066 // TruncateAt is an enum. != comparison is ok between these singleton objects. 7067 if (mEllipsize != where) { 7068 mEllipsize = where; 7069 7070 if (mLayout != null) { 7071 nullLayouts(); 7072 requestLayout(); 7073 invalidate(); 7074 } 7075 } 7076 } 7077 7078 /** 7079 * Sets how many times to repeat the marquee animation. Only applied if the 7080 * TextView has marquee enabled. Set to -1 to repeat indefinitely. 7081 * 7082 * @see #getMarqueeRepeatLimit() 7083 * 7084 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7085 */ 7086 public void setMarqueeRepeatLimit(int marqueeLimit) { 7087 mMarqueeRepeatLimit = marqueeLimit; 7088 } 7089 7090 /** 7091 * Gets the number of times the marquee animation is repeated. Only meaningful if the 7092 * TextView has marquee enabled. 7093 * 7094 * @return the number of times the marquee animation is repeated. -1 if the animation 7095 * repeats indefinitely 7096 * 7097 * @see #setMarqueeRepeatLimit(int) 7098 * 7099 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 7100 */ 7101 public int getMarqueeRepeatLimit() { 7102 return mMarqueeRepeatLimit; 7103 } 7104 7105 /** 7106 * Returns where, if anywhere, words that are longer than the view 7107 * is wide should be ellipsized. 7108 */ 7109 @ViewDebug.ExportedProperty 7110 public TextUtils.TruncateAt getEllipsize() { 7111 return mEllipsize; 7112 } 7113 7114 /** 7115 * Set the TextView so that when it takes focus, all the text is 7116 * selected. 7117 * 7118 * @attr ref android.R.styleable#TextView_selectAllOnFocus 7119 */ 7120 @android.view.RemotableViewMethod 7121 public void setSelectAllOnFocus(boolean selectAllOnFocus) { 7122 createEditorIfNeeded(); 7123 mEditor.mSelectAllOnFocus = selectAllOnFocus; 7124 7125 if (selectAllOnFocus && !(mText instanceof Spannable)) { 7126 setText(mText, BufferType.SPANNABLE); 7127 } 7128 } 7129 7130 /** 7131 * Set whether the cursor is visible. The default is true. Note that this property only 7132 * makes sense for editable TextView. 7133 * 7134 * @see #isCursorVisible() 7135 * 7136 * @attr ref android.R.styleable#TextView_cursorVisible 7137 */ 7138 @android.view.RemotableViewMethod 7139 public void setCursorVisible(boolean visible) { 7140 if (visible && mEditor == null) return; // visible is the default value with no edit data 7141 createEditorIfNeeded(); 7142 if (mEditor.mCursorVisible != visible) { 7143 mEditor.mCursorVisible = visible; 7144 invalidate(); 7145 7146 mEditor.makeBlink(); 7147 7148 // InsertionPointCursorController depends on mCursorVisible 7149 mEditor.prepareCursorControllers(); 7150 } 7151 } 7152 7153 /** 7154 * @return whether or not the cursor is visible (assuming this TextView is editable) 7155 * 7156 * @see #setCursorVisible(boolean) 7157 * 7158 * @attr ref android.R.styleable#TextView_cursorVisible 7159 */ 7160 public boolean isCursorVisible() { 7161 // true is the default value 7162 return mEditor == null ? true : mEditor.mCursorVisible; 7163 } 7164 7165 private boolean canMarquee() { 7166 int width = (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight()); 7167 return width > 0 && (mLayout.getLineWidth(0) > width || 7168 (mMarqueeFadeMode != MARQUEE_FADE_NORMAL && mSavedMarqueeModeLayout != null && 7169 mSavedMarqueeModeLayout.getLineWidth(0) > width)); 7170 } 7171 7172 private void startMarquee() { 7173 // Do not ellipsize EditText 7174 if (getKeyListener() != null) return; 7175 7176 if (compressText(getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight())) { 7177 return; 7178 } 7179 7180 if ((mMarquee == null || mMarquee.isStopped()) && (isFocused() || isSelected()) && 7181 getLineCount() == 1 && canMarquee()) { 7182 7183 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 7184 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_FADE; 7185 final Layout tmp = mLayout; 7186 mLayout = mSavedMarqueeModeLayout; 7187 mSavedMarqueeModeLayout = tmp; 7188 setHorizontalFadingEdgeEnabled(true); 7189 requestLayout(); 7190 invalidate(); 7191 } 7192 7193 if (mMarquee == null) mMarquee = new Marquee(this); 7194 mMarquee.start(mMarqueeRepeatLimit); 7195 } 7196 } 7197 7198 private void stopMarquee() { 7199 if (mMarquee != null && !mMarquee.isStopped()) { 7200 mMarquee.stop(); 7201 } 7202 7203 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_FADE) { 7204 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 7205 final Layout tmp = mSavedMarqueeModeLayout; 7206 mSavedMarqueeModeLayout = mLayout; 7207 mLayout = tmp; 7208 setHorizontalFadingEdgeEnabled(false); 7209 requestLayout(); 7210 invalidate(); 7211 } 7212 } 7213 7214 private void startStopMarquee(boolean start) { 7215 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 7216 if (start) { 7217 startMarquee(); 7218 } else { 7219 stopMarquee(); 7220 } 7221 } 7222 } 7223 7224 /** 7225 * This method is called when the text is changed, in case any subclasses 7226 * would like to know. 7227 * 7228 * Within <code>text</code>, the <code>lengthAfter</code> characters 7229 * beginning at <code>start</code> have just replaced old text that had 7230 * length <code>lengthBefore</code>. It is an error to attempt to make 7231 * changes to <code>text</code> from this callback. 7232 * 7233 * @param text The text the TextView is displaying 7234 * @param start The offset of the start of the range of the text that was 7235 * modified 7236 * @param lengthBefore The length of the former text that has been replaced 7237 * @param lengthAfter The length of the replacement modified text 7238 */ 7239 protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 7240 // intentionally empty, template pattern method can be overridden by subclasses 7241 } 7242 7243 /** 7244 * This method is called when the selection has changed, in case any 7245 * subclasses would like to know. 7246 * 7247 * @param selStart The new selection start location. 7248 * @param selEnd The new selection end location. 7249 */ 7250 protected void onSelectionChanged(int selStart, int selEnd) { 7251 sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED); 7252 notifyAccessibilityStateChanged(); 7253 } 7254 7255 /** 7256 * Adds a TextWatcher to the list of those whose methods are called 7257 * whenever this TextView's text changes. 7258 * <p> 7259 * In 1.0, the {@link TextWatcher#afterTextChanged} method was erroneously 7260 * not called after {@link #setText} calls. Now, doing {@link #setText} 7261 * if there are any text changed listeners forces the buffer type to 7262 * Editable if it would not otherwise be and does call this method. 7263 */ 7264 public void addTextChangedListener(TextWatcher watcher) { 7265 if (mListeners == null) { 7266 mListeners = new ArrayList<TextWatcher>(); 7267 } 7268 7269 mListeners.add(watcher); 7270 } 7271 7272 /** 7273 * Removes the specified TextWatcher from the list of those whose 7274 * methods are called 7275 * whenever this TextView's text changes. 7276 */ 7277 public void removeTextChangedListener(TextWatcher watcher) { 7278 if (mListeners != null) { 7279 int i = mListeners.indexOf(watcher); 7280 7281 if (i >= 0) { 7282 mListeners.remove(i); 7283 } 7284 } 7285 } 7286 7287 private void sendBeforeTextChanged(CharSequence text, int start, int before, int after) { 7288 if (mListeners != null) { 7289 final ArrayList<TextWatcher> list = mListeners; 7290 final int count = list.size(); 7291 for (int i = 0; i < count; i++) { 7292 list.get(i).beforeTextChanged(text, start, before, after); 7293 } 7294 } 7295 7296 // The spans that are inside or intersect the modified region no longer make sense 7297 removeIntersectingSpans(start, start + before, SpellCheckSpan.class); 7298 removeIntersectingSpans(start, start + before, SuggestionSpan.class); 7299 } 7300 7301 // Removes all spans that are inside or actually overlap the start..end range 7302 private <T> void removeIntersectingSpans(int start, int end, Class<T> type) { 7303 if (!(mText instanceof Editable)) return; 7304 Editable text = (Editable) mText; 7305 7306 T[] spans = text.getSpans(start, end, type); 7307 final int length = spans.length; 7308 for (int i = 0; i < length; i++) { 7309 final int s = text.getSpanStart(spans[i]); 7310 final int e = text.getSpanEnd(spans[i]); 7311 // Spans that are adjacent to the edited region will be handled in 7312 // updateSpellCheckSpans. Result depends on what will be added (space or text) 7313 if (e == start || s == end) break; 7314 text.removeSpan(spans[i]); 7315 } 7316 } 7317 7318 /** 7319 * Not private so it can be called from an inner class without going 7320 * through a thunk. 7321 */ 7322 void sendOnTextChanged(CharSequence text, int start, int before, int after) { 7323 if (mListeners != null) { 7324 final ArrayList<TextWatcher> list = mListeners; 7325 final int count = list.size(); 7326 for (int i = 0; i < count; i++) { 7327 list.get(i).onTextChanged(text, start, before, after); 7328 } 7329 } 7330 7331 if (mEditor != null) mEditor.sendOnTextChanged(start, after); 7332 } 7333 7334 /** 7335 * Not private so it can be called from an inner class without going 7336 * through a thunk. 7337 */ 7338 void sendAfterTextChanged(Editable text) { 7339 if (mListeners != null) { 7340 final ArrayList<TextWatcher> list = mListeners; 7341 final int count = list.size(); 7342 for (int i = 0; i < count; i++) { 7343 list.get(i).afterTextChanged(text); 7344 } 7345 } 7346 } 7347 7348 void updateAfterEdit() { 7349 invalidate(); 7350 int curs = getSelectionStart(); 7351 7352 if (curs >= 0 || (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 7353 registerForPreDraw(); 7354 } 7355 7356 checkForResize(); 7357 7358 if (curs >= 0) { 7359 mHighlightPathBogus = true; 7360 if (mEditor != null) mEditor.makeBlink(); 7361 bringPointIntoView(curs); 7362 } 7363 } 7364 7365 /** 7366 * Not private so it can be called from an inner class without going 7367 * through a thunk. 7368 */ 7369 void handleTextChanged(CharSequence buffer, int start, int before, int after) { 7370 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 7371 if (ims == null || ims.mBatchEditNesting == 0) { 7372 updateAfterEdit(); 7373 } 7374 if (ims != null) { 7375 ims.mContentChanged = true; 7376 if (ims.mChangedStart < 0) { 7377 ims.mChangedStart = start; 7378 ims.mChangedEnd = start+before; 7379 } else { 7380 ims.mChangedStart = Math.min(ims.mChangedStart, start); 7381 ims.mChangedEnd = Math.max(ims.mChangedEnd, start + before - ims.mChangedDelta); 7382 } 7383 ims.mChangedDelta += after-before; 7384 } 7385 7386 sendOnTextChanged(buffer, start, before, after); 7387 onTextChanged(buffer, start, before, after); 7388 } 7389 7390 /** 7391 * Not private so it can be called from an inner class without going 7392 * through a thunk. 7393 */ 7394 void spanChange(Spanned buf, Object what, int oldStart, int newStart, int oldEnd, int newEnd) { 7395 // XXX Make the start and end move together if this ends up 7396 // spending too much time invalidating. 7397 7398 boolean selChanged = false; 7399 int newSelStart=-1, newSelEnd=-1; 7400 7401 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 7402 7403 if (what == Selection.SELECTION_END) { 7404 selChanged = true; 7405 newSelEnd = newStart; 7406 7407 if (oldStart >= 0 || newStart >= 0) { 7408 invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart); 7409 checkForResize(); 7410 registerForPreDraw(); 7411 if (mEditor != null) mEditor.makeBlink(); 7412 } 7413 } 7414 7415 if (what == Selection.SELECTION_START) { 7416 selChanged = true; 7417 newSelStart = newStart; 7418 7419 if (oldStart >= 0 || newStart >= 0) { 7420 int end = Selection.getSelectionEnd(buf); 7421 invalidateCursor(end, oldStart, newStart); 7422 } 7423 } 7424 7425 if (selChanged) { 7426 mHighlightPathBogus = true; 7427 if (mEditor != null && !isFocused()) mEditor.mSelectionMoved = true; 7428 7429 if ((buf.getSpanFlags(what)&Spanned.SPAN_INTERMEDIATE) == 0) { 7430 if (newSelStart < 0) { 7431 newSelStart = Selection.getSelectionStart(buf); 7432 } 7433 if (newSelEnd < 0) { 7434 newSelEnd = Selection.getSelectionEnd(buf); 7435 } 7436 onSelectionChanged(newSelStart, newSelEnd); 7437 } 7438 } 7439 7440 if (what instanceof UpdateAppearance || what instanceof ParagraphStyle || 7441 what instanceof CharacterStyle) { 7442 if (ims == null || ims.mBatchEditNesting == 0) { 7443 invalidate(); 7444 mHighlightPathBogus = true; 7445 checkForResize(); 7446 } else { 7447 ims.mContentChanged = true; 7448 } 7449 if (mEditor != null) { 7450 if (oldStart >= 0) mEditor.invalidateTextDisplayList(mLayout, oldStart, oldEnd); 7451 if (newStart >= 0) mEditor.invalidateTextDisplayList(mLayout, newStart, newEnd); 7452 } 7453 } 7454 7455 if (MetaKeyKeyListener.isMetaTracker(buf, what)) { 7456 mHighlightPathBogus = true; 7457 if (ims != null && MetaKeyKeyListener.isSelectingMetaTracker(buf, what)) { 7458 ims.mSelectionModeChanged = true; 7459 } 7460 7461 if (Selection.getSelectionStart(buf) >= 0) { 7462 if (ims == null || ims.mBatchEditNesting == 0) { 7463 invalidateCursor(); 7464 } else { 7465 ims.mCursorChanged = true; 7466 } 7467 } 7468 } 7469 7470 if (what instanceof ParcelableSpan) { 7471 // If this is a span that can be sent to a remote process, 7472 // the current extract editor would be interested in it. 7473 if (ims != null && ims.mExtractedTextRequest != null) { 7474 if (ims.mBatchEditNesting != 0) { 7475 if (oldStart >= 0) { 7476 if (ims.mChangedStart > oldStart) { 7477 ims.mChangedStart = oldStart; 7478 } 7479 if (ims.mChangedStart > oldEnd) { 7480 ims.mChangedStart = oldEnd; 7481 } 7482 } 7483 if (newStart >= 0) { 7484 if (ims.mChangedStart > newStart) { 7485 ims.mChangedStart = newStart; 7486 } 7487 if (ims.mChangedStart > newEnd) { 7488 ims.mChangedStart = newEnd; 7489 } 7490 } 7491 } else { 7492 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "Span change outside of batch: " 7493 + oldStart + "-" + oldEnd + "," 7494 + newStart + "-" + newEnd + " " + what); 7495 ims.mContentChanged = true; 7496 } 7497 } 7498 } 7499 7500 if (mEditor != null && mEditor.mSpellChecker != null && newStart < 0 && 7501 what instanceof SpellCheckSpan) { 7502 mEditor.mSpellChecker.onSpellCheckSpanRemoved((SpellCheckSpan) what); 7503 } 7504 } 7505 7506 /** 7507 * @hide 7508 */ 7509 @Override 7510 public void dispatchFinishTemporaryDetach() { 7511 mDispatchTemporaryDetach = true; 7512 super.dispatchFinishTemporaryDetach(); 7513 mDispatchTemporaryDetach = false; 7514 } 7515 7516 @Override 7517 public void onStartTemporaryDetach() { 7518 super.onStartTemporaryDetach(); 7519 // Only track when onStartTemporaryDetach() is called directly, 7520 // usually because this instance is an editable field in a list 7521 if (!mDispatchTemporaryDetach) mTemporaryDetach = true; 7522 7523 // Tell the editor that we are temporarily detached. It can use this to preserve 7524 // selection state as needed. 7525 if (mEditor != null) mEditor.mTemporaryDetach = true; 7526 } 7527 7528 @Override 7529 public void onFinishTemporaryDetach() { 7530 super.onFinishTemporaryDetach(); 7531 // Only track when onStartTemporaryDetach() is called directly, 7532 // usually because this instance is an editable field in a list 7533 if (!mDispatchTemporaryDetach) mTemporaryDetach = false; 7534 if (mEditor != null) mEditor.mTemporaryDetach = false; 7535 } 7536 7537 @Override 7538 protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 7539 if (mTemporaryDetach) { 7540 // If we are temporarily in the detach state, then do nothing. 7541 super.onFocusChanged(focused, direction, previouslyFocusedRect); 7542 return; 7543 } 7544 7545 if (mEditor != null) mEditor.onFocusChanged(focused, direction); 7546 7547 if (focused) { 7548 if (mText instanceof Spannable) { 7549 Spannable sp = (Spannable) mText; 7550 MetaKeyKeyListener.resetMetaState(sp); 7551 } 7552 } 7553 7554 startStopMarquee(focused); 7555 7556 if (mTransformation != null) { 7557 mTransformation.onFocusChanged(this, mText, focused, direction, previouslyFocusedRect); 7558 } 7559 7560 super.onFocusChanged(focused, direction, previouslyFocusedRect); 7561 } 7562 7563 @Override 7564 public void onWindowFocusChanged(boolean hasWindowFocus) { 7565 super.onWindowFocusChanged(hasWindowFocus); 7566 7567 if (mEditor != null) mEditor.onWindowFocusChanged(hasWindowFocus); 7568 7569 startStopMarquee(hasWindowFocus); 7570 } 7571 7572 @Override 7573 protected void onVisibilityChanged(View changedView, int visibility) { 7574 super.onVisibilityChanged(changedView, visibility); 7575 if (mEditor != null && visibility != VISIBLE) { 7576 mEditor.hideControllers(); 7577 } 7578 } 7579 7580 /** 7581 * Use {@link BaseInputConnection#removeComposingSpans 7582 * BaseInputConnection.removeComposingSpans()} to remove any IME composing 7583 * state from this text view. 7584 */ 7585 public void clearComposingText() { 7586 if (mText instanceof Spannable) { 7587 BaseInputConnection.removeComposingSpans((Spannable)mText); 7588 } 7589 } 7590 7591 @Override 7592 public void setSelected(boolean selected) { 7593 boolean wasSelected = isSelected(); 7594 7595 super.setSelected(selected); 7596 7597 if (selected != wasSelected && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 7598 if (selected) { 7599 startMarquee(); 7600 } else { 7601 stopMarquee(); 7602 } 7603 } 7604 } 7605 7606 @Override 7607 public boolean onTouchEvent(MotionEvent event) { 7608 final int action = event.getActionMasked(); 7609 7610 if (mEditor != null) mEditor.onTouchEvent(event); 7611 7612 final boolean superResult = super.onTouchEvent(event); 7613 7614 /* 7615 * Don't handle the release after a long press, because it will 7616 * move the selection away from whatever the menu action was 7617 * trying to affect. 7618 */ 7619 if (mEditor != null && mEditor.mDiscardNextActionUp && action == MotionEvent.ACTION_UP) { 7620 mEditor.mDiscardNextActionUp = false; 7621 return superResult; 7622 } 7623 7624 final boolean touchIsFinished = (action == MotionEvent.ACTION_UP) && 7625 (mEditor == null || !mEditor.mIgnoreActionUpEvent) && isFocused(); 7626 7627 if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() 7628 && mText instanceof Spannable && mLayout != null) { 7629 boolean handled = false; 7630 7631 if (mMovement != null) { 7632 handled |= mMovement.onTouchEvent(this, (Spannable) mText, event); 7633 } 7634 7635 final boolean textIsSelectable = isTextSelectable(); 7636 if (touchIsFinished && mLinksClickable && mAutoLinkMask != 0 && textIsSelectable) { 7637 // The LinkMovementMethod which should handle taps on links has not been installed 7638 // on non editable text that support text selection. 7639 // We reproduce its behavior here to open links for these. 7640 ClickableSpan[] links = ((Spannable) mText).getSpans(getSelectionStart(), 7641 getSelectionEnd(), ClickableSpan.class); 7642 7643 if (links.length > 0) { 7644 links[0].onClick(this); 7645 handled = true; 7646 } 7647 } 7648 7649 if (touchIsFinished && (isTextEditable() || textIsSelectable)) { 7650 // Show the IME, except when selecting in read-only text. 7651 final InputMethodManager imm = InputMethodManager.peekInstance(); 7652 viewClicked(imm); 7653 if (!textIsSelectable && mEditor.mShowSoftInputOnFocus) { 7654 handled |= imm != null && imm.showSoftInput(this, 0); 7655 } 7656 7657 // The above condition ensures that the mEditor is not null 7658 mEditor.onTouchUpEvent(event); 7659 7660 handled = true; 7661 } 7662 7663 if (handled) { 7664 return true; 7665 } 7666 } 7667 7668 return superResult; 7669 } 7670 7671 @Override 7672 public boolean onGenericMotionEvent(MotionEvent event) { 7673 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 7674 try { 7675 if (mMovement.onGenericMotionEvent(this, (Spannable) mText, event)) { 7676 return true; 7677 } 7678 } catch (AbstractMethodError ex) { 7679 // onGenericMotionEvent was added to the MovementMethod interface in API 12. 7680 // Ignore its absence in case third party applications implemented the 7681 // interface directly. 7682 } 7683 } 7684 return super.onGenericMotionEvent(event); 7685 } 7686 7687 /** 7688 * @return True iff this TextView contains a text that can be edited, or if this is 7689 * a selectable TextView. 7690 */ 7691 boolean isTextEditable() { 7692 return mText instanceof Editable && onCheckIsTextEditor() && isEnabled(); 7693 } 7694 7695 /** 7696 * Returns true, only while processing a touch gesture, if the initial 7697 * touch down event caused focus to move to the text view and as a result 7698 * its selection changed. Only valid while processing the touch gesture 7699 * of interest, in an editable text view. 7700 */ 7701 public boolean didTouchFocusSelect() { 7702 return mEditor != null && mEditor.mTouchFocusSelected; 7703 } 7704 7705 @Override 7706 public void cancelLongPress() { 7707 super.cancelLongPress(); 7708 if (mEditor != null) mEditor.mIgnoreActionUpEvent = true; 7709 } 7710 7711 @Override 7712 public boolean onTrackballEvent(MotionEvent event) { 7713 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 7714 if (mMovement.onTrackballEvent(this, (Spannable) mText, event)) { 7715 return true; 7716 } 7717 } 7718 7719 return super.onTrackballEvent(event); 7720 } 7721 7722 public void setScroller(Scroller s) { 7723 mScroller = s; 7724 } 7725 7726 @Override 7727 protected float getLeftFadingEdgeStrength() { 7728 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 7729 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 7730 if (mMarquee != null && !mMarquee.isStopped()) { 7731 final Marquee marquee = mMarquee; 7732 if (marquee.shouldDrawLeftFade()) { 7733 final float scroll = marquee.getScroll(); 7734 return scroll / getHorizontalFadingEdgeLength(); 7735 } else { 7736 return 0.0f; 7737 } 7738 } else if (getLineCount() == 1) { 7739 final int layoutDirection = getLayoutDirection(); 7740 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 7741 switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 7742 case Gravity.LEFT: 7743 return 0.0f; 7744 case Gravity.RIGHT: 7745 return (mLayout.getLineRight(0) - (mRight - mLeft) - 7746 getCompoundPaddingLeft() - getCompoundPaddingRight() - 7747 mLayout.getLineLeft(0)) / getHorizontalFadingEdgeLength(); 7748 case Gravity.CENTER_HORIZONTAL: 7749 return 0.0f; 7750 } 7751 } 7752 } 7753 return super.getLeftFadingEdgeStrength(); 7754 } 7755 7756 @Override 7757 protected float getRightFadingEdgeStrength() { 7758 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 7759 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 7760 if (mMarquee != null && !mMarquee.isStopped()) { 7761 final Marquee marquee = mMarquee; 7762 final float maxFadeScroll = marquee.getMaxFadeScroll(); 7763 final float scroll = marquee.getScroll(); 7764 return (maxFadeScroll - scroll) / getHorizontalFadingEdgeLength(); 7765 } else if (getLineCount() == 1) { 7766 final int layoutDirection = getLayoutDirection(); 7767 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 7768 switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 7769 case Gravity.LEFT: 7770 final int textWidth = (mRight - mLeft) - getCompoundPaddingLeft() - 7771 getCompoundPaddingRight(); 7772 final float lineWidth = mLayout.getLineWidth(0); 7773 return (lineWidth - textWidth) / getHorizontalFadingEdgeLength(); 7774 case Gravity.RIGHT: 7775 return 0.0f; 7776 case Gravity.CENTER_HORIZONTAL: 7777 case Gravity.FILL_HORIZONTAL: 7778 return (mLayout.getLineWidth(0) - ((mRight - mLeft) - 7779 getCompoundPaddingLeft() - getCompoundPaddingRight())) / 7780 getHorizontalFadingEdgeLength(); 7781 } 7782 } 7783 } 7784 return super.getRightFadingEdgeStrength(); 7785 } 7786 7787 @Override 7788 protected int computeHorizontalScrollRange() { 7789 if (mLayout != null) { 7790 return mSingleLine && (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.LEFT ? 7791 (int) mLayout.getLineWidth(0) : mLayout.getWidth(); 7792 } 7793 7794 return super.computeHorizontalScrollRange(); 7795 } 7796 7797 @Override 7798 protected int computeVerticalScrollRange() { 7799 if (mLayout != null) 7800 return mLayout.getHeight(); 7801 7802 return super.computeVerticalScrollRange(); 7803 } 7804 7805 @Override 7806 protected int computeVerticalScrollExtent() { 7807 return getHeight() - getCompoundPaddingTop() - getCompoundPaddingBottom(); 7808 } 7809 7810 @Override 7811 public void findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags) { 7812 super.findViewsWithText(outViews, searched, flags); 7813 if (!outViews.contains(this) && (flags & FIND_VIEWS_WITH_TEXT) != 0 7814 && !TextUtils.isEmpty(searched) && !TextUtils.isEmpty(mText)) { 7815 String searchedLowerCase = searched.toString().toLowerCase(); 7816 String textLowerCase = mText.toString().toLowerCase(); 7817 if (textLowerCase.contains(searchedLowerCase)) { 7818 outViews.add(this); 7819 } 7820 } 7821 } 7822 7823 public enum BufferType { 7824 NORMAL, SPANNABLE, EDITABLE, 7825 } 7826 7827 /** 7828 * Returns the TextView_textColor attribute from the 7829 * TypedArray, if set, or the TextAppearance_textColor 7830 * from the TextView_textAppearance attribute, if TextView_textColor 7831 * was not set directly. 7832 */ 7833 public static ColorStateList getTextColors(Context context, TypedArray attrs) { 7834 ColorStateList colors; 7835 colors = attrs.getColorStateList(com.android.internal.R.styleable. 7836 TextView_textColor); 7837 7838 if (colors == null) { 7839 int ap = attrs.getResourceId(com.android.internal.R.styleable. 7840 TextView_textAppearance, -1); 7841 if (ap != -1) { 7842 TypedArray appearance; 7843 appearance = context.obtainStyledAttributes(ap, 7844 com.android.internal.R.styleable.TextAppearance); 7845 colors = appearance.getColorStateList(com.android.internal.R.styleable. 7846 TextAppearance_textColor); 7847 appearance.recycle(); 7848 } 7849 } 7850 7851 return colors; 7852 } 7853 7854 /** 7855 * Returns the default color from the TextView_textColor attribute 7856 * from the AttributeSet, if set, or the default color from the 7857 * TextAppearance_textColor from the TextView_textAppearance attribute, 7858 * if TextView_textColor was not set directly. 7859 */ 7860 public static int getTextColor(Context context, 7861 TypedArray attrs, 7862 int def) { 7863 ColorStateList colors = getTextColors(context, attrs); 7864 7865 if (colors == null) { 7866 return def; 7867 } else { 7868 return colors.getDefaultColor(); 7869 } 7870 } 7871 7872 @Override 7873 public boolean onKeyShortcut(int keyCode, KeyEvent event) { 7874 final int filteredMetaState = event.getMetaState() & ~KeyEvent.META_CTRL_MASK; 7875 if (KeyEvent.metaStateHasNoModifiers(filteredMetaState)) { 7876 switch (keyCode) { 7877 case KeyEvent.KEYCODE_A: 7878 if (canSelectText()) { 7879 return onTextContextMenuItem(ID_SELECT_ALL); 7880 } 7881 break; 7882 case KeyEvent.KEYCODE_X: 7883 if (canCut()) { 7884 return onTextContextMenuItem(ID_CUT); 7885 } 7886 break; 7887 case KeyEvent.KEYCODE_C: 7888 if (canCopy()) { 7889 return onTextContextMenuItem(ID_COPY); 7890 } 7891 break; 7892 case KeyEvent.KEYCODE_V: 7893 if (canPaste()) { 7894 return onTextContextMenuItem(ID_PASTE); 7895 } 7896 break; 7897 } 7898 } 7899 return super.onKeyShortcut(keyCode, event); 7900 } 7901 7902 /** 7903 * Unlike {@link #textCanBeSelected()}, this method is based on the <i>current</i> state of the 7904 * TextView. {@link #textCanBeSelected()} has to be true (this is one of the conditions to have 7905 * a selection controller (see {@link Editor#prepareCursorControllers()}), but this is not 7906 * sufficient. 7907 */ 7908 private boolean canSelectText() { 7909 return mText.length() != 0 && mEditor != null && mEditor.hasSelectionController(); 7910 } 7911 7912 /** 7913 * Test based on the <i>intrinsic</i> charateristics of the TextView. 7914 * The text must be spannable and the movement method must allow for arbitary selection. 7915 * 7916 * See also {@link #canSelectText()}. 7917 */ 7918 boolean textCanBeSelected() { 7919 // prepareCursorController() relies on this method. 7920 // If you change this condition, make sure prepareCursorController is called anywhere 7921 // the value of this condition might be changed. 7922 if (mMovement == null || !mMovement.canSelectArbitrarily()) return false; 7923 return isTextEditable() || 7924 (isTextSelectable() && mText instanceof Spannable && isEnabled()); 7925 } 7926 7927 private Locale getTextServicesLocale(boolean allowNullLocale) { 7928 // Start fetching the text services locale asynchronously. 7929 updateTextServicesLocaleAsync(); 7930 // If !allowNullLocale and there is no cached text services locale, just return the default 7931 // locale. 7932 return (mCurrentSpellCheckerLocaleCache == null && !allowNullLocale) ? Locale.getDefault() 7933 : mCurrentSpellCheckerLocaleCache; 7934 } 7935 7936 /** 7937 * This is a temporary method. Future versions may support multi-locale text. 7938 * Caveat: This method may not return the latest text services locale, but this should be 7939 * acceptable and it's more important to make this method asynchronous. 7940 * 7941 * @return The locale that should be used for a word iterator 7942 * in this TextView, based on the current spell checker settings, 7943 * the current IME's locale, or the system default locale. 7944 * Please note that a word iterator in this TextView is different from another word iterator 7945 * used by SpellChecker.java of TextView. This method should be used for the former. 7946 * @hide 7947 */ 7948 // TODO: Support multi-locale 7949 // TODO: Update the text services locale immediately after the keyboard locale is switched 7950 // by catching intent of keyboard switch event 7951 public Locale getTextServicesLocale() { 7952 return getTextServicesLocale(false /* allowNullLocale */); 7953 } 7954 7955 /** 7956 * This is a temporary method. Future versions may support multi-locale text. 7957 * Caveat: This method may not return the latest spell checker locale, but this should be 7958 * acceptable and it's more important to make this method asynchronous. 7959 * 7960 * @return The locale that should be used for a spell checker in this TextView, 7961 * based on the current spell checker settings, the current IME's locale, or the system default 7962 * locale. 7963 * @hide 7964 */ 7965 public Locale getSpellCheckerLocale() { 7966 return getTextServicesLocale(true /* allowNullLocale */); 7967 } 7968 7969 private void updateTextServicesLocaleAsync() { 7970 AsyncTask.execute(new Runnable() { 7971 @Override 7972 public void run() { 7973 if (mCurrentTextServicesLocaleLock.tryLock()) { 7974 try { 7975 updateTextServicesLocaleLocked(); 7976 } finally { 7977 mCurrentTextServicesLocaleLock.unlock(); 7978 } 7979 } 7980 } 7981 }); 7982 } 7983 7984 private void updateTextServicesLocaleLocked() { 7985 final TextServicesManager textServicesManager = (TextServicesManager) 7986 mContext.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE); 7987 final SpellCheckerSubtype subtype = textServicesManager.getCurrentSpellCheckerSubtype(true); 7988 final Locale locale; 7989 if (subtype != null) { 7990 locale = SpellCheckerSubtype.constructLocaleFromString(subtype.getLocale()); 7991 } else { 7992 locale = null; 7993 } 7994 mCurrentSpellCheckerLocaleCache = locale; 7995 } 7996 7997 void onLocaleChanged() { 7998 // Will be re-created on demand in getWordIterator with the proper new locale 7999 mEditor.mWordIterator = null; 8000 } 8001 8002 /** 8003 * This method is used by the ArrowKeyMovementMethod to jump from one word to the other. 8004 * Made available to achieve a consistent behavior. 8005 * @hide 8006 */ 8007 public WordIterator getWordIterator() { 8008 if (mEditor != null) { 8009 return mEditor.getWordIterator(); 8010 } else { 8011 return null; 8012 } 8013 } 8014 8015 @Override 8016 public void onPopulateAccessibilityEvent(AccessibilityEvent event) { 8017 super.onPopulateAccessibilityEvent(event); 8018 8019 final boolean isPassword = hasPasswordTransformationMethod(); 8020 if (!isPassword || shouldSpeakPasswordsForAccessibility()) { 8021 final CharSequence text = getTextForAccessibility(); 8022 if (!TextUtils.isEmpty(text)) { 8023 event.getText().add(text); 8024 } 8025 } 8026 } 8027 8028 /** 8029 * @return true if the user has explicitly allowed accessibility services 8030 * to speak passwords. 8031 */ 8032 private boolean shouldSpeakPasswordsForAccessibility() { 8033 return (Settings.Secure.getInt(mContext.getContentResolver(), 8034 Settings.Secure.ACCESSIBILITY_SPEAK_PASSWORD, 0) == 1); 8035 } 8036 8037 @Override 8038 public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 8039 super.onInitializeAccessibilityEvent(event); 8040 8041 event.setClassName(TextView.class.getName()); 8042 final boolean isPassword = hasPasswordTransformationMethod(); 8043 event.setPassword(isPassword); 8044 8045 if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED) { 8046 event.setFromIndex(Selection.getSelectionStart(mText)); 8047 event.setToIndex(Selection.getSelectionEnd(mText)); 8048 event.setItemCount(mText.length()); 8049 } 8050 } 8051 8052 @Override 8053 public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 8054 super.onInitializeAccessibilityNodeInfo(info); 8055 8056 info.setClassName(TextView.class.getName()); 8057 final boolean isPassword = hasPasswordTransformationMethod(); 8058 info.setPassword(isPassword); 8059 8060 if (!isPassword) { 8061 info.setText(getTextForAccessibility()); 8062 } 8063 8064 if (mBufferType == BufferType.EDITABLE) { 8065 info.setEditable(true); 8066 } 8067 8068 if (!TextUtils.isEmpty(mText)) { 8069 info.addAction(AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY); 8070 info.addAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY); 8071 info.setMovementGranularities(AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER 8072 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD 8073 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE 8074 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PARAGRAPH 8075 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE); 8076 } 8077 8078 if (isFocused()) { 8079 if (canSelectText()) { 8080 info.addAction(AccessibilityNodeInfo.ACTION_SET_SELECTION); 8081 } 8082 if (canCopy()) { 8083 info.addAction(AccessibilityNodeInfo.ACTION_COPY); 8084 } 8085 if (canPaste()) { 8086 info.addAction(AccessibilityNodeInfo.ACTION_PASTE); 8087 } 8088 if (canCut()) { 8089 info.addAction(AccessibilityNodeInfo.ACTION_CUT); 8090 } 8091 } 8092 } 8093 8094 @Override 8095 public boolean performAccessibilityAction(int action, Bundle arguments) { 8096 switch (action) { 8097 case AccessibilityNodeInfo.ACTION_COPY: { 8098 if (isFocused() && canCopy()) { 8099 if (onTextContextMenuItem(ID_COPY)) { 8100 notifyAccessibilityStateChanged(); 8101 return true; 8102 } 8103 } 8104 } return false; 8105 case AccessibilityNodeInfo.ACTION_PASTE: { 8106 if (isFocused() && canPaste()) { 8107 if (onTextContextMenuItem(ID_PASTE)) { 8108 notifyAccessibilityStateChanged(); 8109 return true; 8110 } 8111 } 8112 } return false; 8113 case AccessibilityNodeInfo.ACTION_CUT: { 8114 if (isFocused() && canCut()) { 8115 if (onTextContextMenuItem(ID_CUT)) { 8116 notifyAccessibilityStateChanged(); 8117 return true; 8118 } 8119 } 8120 } return false; 8121 case AccessibilityNodeInfo.ACTION_SET_SELECTION: { 8122 if (isFocused() && canSelectText()) { 8123 CharSequence text = getIterableTextForAccessibility(); 8124 if (text == null) { 8125 return false; 8126 } 8127 final int start = (arguments != null) ? arguments.getInt( 8128 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_START_INT, -1) : -1; 8129 final int end = (arguments != null) ? arguments.getInt( 8130 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_END_INT, -1) : -1; 8131 if ((getSelectionStart() != start || getSelectionEnd() != end)) { 8132 // No arguments clears the selection. 8133 if (start == end && end == -1) { 8134 Selection.removeSelection((Spannable) text); 8135 notifyAccessibilityStateChanged(); 8136 return true; 8137 } 8138 if (start >= 0 && start <= end && end <= text.length()) { 8139 Selection.setSelection((Spannable) text, start, end); 8140 // Make sure selection mode is engaged. 8141 if (mEditor != null) { 8142 mEditor.startSelectionActionMode(); 8143 } 8144 notifyAccessibilityStateChanged(); 8145 return true; 8146 } 8147 } 8148 } 8149 } return false; 8150 default: { 8151 return super.performAccessibilityAction(action, arguments); 8152 } 8153 } 8154 } 8155 8156 @Override 8157 public void sendAccessibilityEvent(int eventType) { 8158 // Do not send scroll events since first they are not interesting for 8159 // accessibility and second such events a generated too frequently. 8160 // For details see the implementation of bringTextIntoView(). 8161 if (eventType == AccessibilityEvent.TYPE_VIEW_SCROLLED) { 8162 return; 8163 } 8164 super.sendAccessibilityEvent(eventType); 8165 } 8166 8167 /** 8168 * Gets the text reported for accessibility purposes. 8169 * 8170 * @return The accessibility text. 8171 * 8172 * @hide 8173 */ 8174 public CharSequence getTextForAccessibility() { 8175 CharSequence text = getText(); 8176 if (TextUtils.isEmpty(text)) { 8177 text = getHint(); 8178 } 8179 return text; 8180 } 8181 8182 void sendAccessibilityEventTypeViewTextChanged(CharSequence beforeText, 8183 int fromIndex, int removedCount, int addedCount) { 8184 AccessibilityEvent event = 8185 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED); 8186 event.setFromIndex(fromIndex); 8187 event.setRemovedCount(removedCount); 8188 event.setAddedCount(addedCount); 8189 event.setBeforeText(beforeText); 8190 sendAccessibilityEventUnchecked(event); 8191 } 8192 8193 /** 8194 * Returns whether this text view is a current input method target. The 8195 * default implementation just checks with {@link InputMethodManager}. 8196 */ 8197 public boolean isInputMethodTarget() { 8198 InputMethodManager imm = InputMethodManager.peekInstance(); 8199 return imm != null && imm.isActive(this); 8200 } 8201 8202 static final int ID_SELECT_ALL = android.R.id.selectAll; 8203 static final int ID_CUT = android.R.id.cut; 8204 static final int ID_COPY = android.R.id.copy; 8205 static final int ID_PASTE = android.R.id.paste; 8206 8207 /** 8208 * Called when a context menu option for the text view is selected. Currently 8209 * this will be one of {@link android.R.id#selectAll}, {@link android.R.id#cut}, 8210 * {@link android.R.id#copy} or {@link android.R.id#paste}. 8211 * 8212 * @return true if the context menu item action was performed. 8213 */ 8214 public boolean onTextContextMenuItem(int id) { 8215 int min = 0; 8216 int max = mText.length(); 8217 8218 if (isFocused()) { 8219 final int selStart = getSelectionStart(); 8220 final int selEnd = getSelectionEnd(); 8221 8222 min = Math.max(0, Math.min(selStart, selEnd)); 8223 max = Math.max(0, Math.max(selStart, selEnd)); 8224 } 8225 8226 switch (id) { 8227 case ID_SELECT_ALL: 8228 // This does not enter text selection mode. Text is highlighted, so that it can be 8229 // bulk edited, like selectAllOnFocus does. Returns true even if text is empty. 8230 selectAllText(); 8231 return true; 8232 8233 case ID_PASTE: 8234 paste(min, max); 8235 return true; 8236 8237 case ID_CUT: 8238 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 8239 deleteText_internal(min, max); 8240 stopSelectionActionMode(); 8241 return true; 8242 8243 case ID_COPY: 8244 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 8245 stopSelectionActionMode(); 8246 return true; 8247 } 8248 return false; 8249 } 8250 8251 CharSequence getTransformedText(int start, int end) { 8252 return removeSuggestionSpans(mTransformed.subSequence(start, end)); 8253 } 8254 8255 @Override 8256 public boolean performLongClick() { 8257 boolean handled = false; 8258 8259 if (super.performLongClick()) { 8260 handled = true; 8261 } 8262 8263 if (mEditor != null) { 8264 handled |= mEditor.performLongClick(handled); 8265 } 8266 8267 if (handled) { 8268 performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 8269 if (mEditor != null) mEditor.mDiscardNextActionUp = true; 8270 } 8271 8272 return handled; 8273 } 8274 8275 @Override 8276 protected void onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert) { 8277 super.onScrollChanged(horiz, vert, oldHoriz, oldVert); 8278 if (mEditor != null) { 8279 mEditor.onScrollChanged(); 8280 } 8281 } 8282 8283 /** 8284 * Return whether or not suggestions are enabled on this TextView. The suggestions are generated 8285 * by the IME or by the spell checker as the user types. This is done by adding 8286 * {@link SuggestionSpan}s to the text. 8287 * 8288 * When suggestions are enabled (default), this list of suggestions will be displayed when the 8289 * user asks for them on these parts of the text. This value depends on the inputType of this 8290 * TextView. 8291 * 8292 * The class of the input type must be {@link InputType#TYPE_CLASS_TEXT}. 8293 * 8294 * In addition, the type variation must be one of 8295 * {@link InputType#TYPE_TEXT_VARIATION_NORMAL}, 8296 * {@link InputType#TYPE_TEXT_VARIATION_EMAIL_SUBJECT}, 8297 * {@link InputType#TYPE_TEXT_VARIATION_LONG_MESSAGE}, 8298 * {@link InputType#TYPE_TEXT_VARIATION_SHORT_MESSAGE} or 8299 * {@link InputType#TYPE_TEXT_VARIATION_WEB_EDIT_TEXT}. 8300 * 8301 * And finally, the {@link InputType#TYPE_TEXT_FLAG_NO_SUGGESTIONS} flag must <i>not</i> be set. 8302 * 8303 * @return true if the suggestions popup window is enabled, based on the inputType. 8304 */ 8305 public boolean isSuggestionsEnabled() { 8306 if (mEditor == null) return false; 8307 if ((mEditor.mInputType & InputType.TYPE_MASK_CLASS) != InputType.TYPE_CLASS_TEXT) { 8308 return false; 8309 } 8310 if ((mEditor.mInputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) > 0) return false; 8311 8312 final int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 8313 return (variation == EditorInfo.TYPE_TEXT_VARIATION_NORMAL || 8314 variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT || 8315 variation == EditorInfo.TYPE_TEXT_VARIATION_LONG_MESSAGE || 8316 variation == EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE || 8317 variation == EditorInfo.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT); 8318 } 8319 8320 /** 8321 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 8322 * selection is initiated in this View. 8323 * 8324 * The standard implementation populates the menu with a subset of Select All, Cut, Copy and 8325 * Paste actions, depending on what this View supports. 8326 * 8327 * A custom implementation can add new entries in the default menu in its 8328 * {@link android.view.ActionMode.Callback#onPrepareActionMode(ActionMode, Menu)} method. The 8329 * default actions can also be removed from the menu using {@link Menu#removeItem(int)} and 8330 * passing {@link android.R.id#selectAll}, {@link android.R.id#cut}, {@link android.R.id#copy} 8331 * or {@link android.R.id#paste} ids as parameters. 8332 * 8333 * Returning false from 8334 * {@link android.view.ActionMode.Callback#onCreateActionMode(ActionMode, Menu)} will prevent 8335 * the action mode from being started. 8336 * 8337 * Action click events should be handled by the custom implementation of 8338 * {@link android.view.ActionMode.Callback#onActionItemClicked(ActionMode, MenuItem)}. 8339 * 8340 * Note that text selection mode is not started when a TextView receives focus and the 8341 * {@link android.R.attr#selectAllOnFocus} flag has been set. The content is highlighted in 8342 * that case, to allow for quick replacement. 8343 */ 8344 public void setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback) { 8345 createEditorIfNeeded(); 8346 mEditor.mCustomSelectionActionModeCallback = actionModeCallback; 8347 } 8348 8349 /** 8350 * Retrieves the value set in {@link #setCustomSelectionActionModeCallback}. Default is null. 8351 * 8352 * @return The current custom selection callback. 8353 */ 8354 public ActionMode.Callback getCustomSelectionActionModeCallback() { 8355 return mEditor == null ? null : mEditor.mCustomSelectionActionModeCallback; 8356 } 8357 8358 /** 8359 * @hide 8360 */ 8361 protected void stopSelectionActionMode() { 8362 mEditor.stopSelectionActionMode(); 8363 } 8364 8365 boolean canCut() { 8366 if (hasPasswordTransformationMethod()) { 8367 return false; 8368 } 8369 8370 if (mText.length() > 0 && hasSelection() && mText instanceof Editable && mEditor != null && 8371 mEditor.mKeyListener != null) { 8372 return true; 8373 } 8374 8375 return false; 8376 } 8377 8378 boolean canCopy() { 8379 if (hasPasswordTransformationMethod()) { 8380 return false; 8381 } 8382 8383 if (mText.length() > 0 && hasSelection()) { 8384 return true; 8385 } 8386 8387 return false; 8388 } 8389 8390 boolean canPaste() { 8391 return (mText instanceof Editable && 8392 mEditor != null && mEditor.mKeyListener != null && 8393 getSelectionStart() >= 0 && 8394 getSelectionEnd() >= 0 && 8395 ((ClipboardManager)getContext().getSystemService(Context.CLIPBOARD_SERVICE)). 8396 hasPrimaryClip()); 8397 } 8398 8399 boolean selectAllText() { 8400 final int length = mText.length(); 8401 Selection.setSelection((Spannable) mText, 0, length); 8402 return length > 0; 8403 } 8404 8405 /** 8406 * Prepare text so that there are not zero or two spaces at beginning and end of region defined 8407 * by [min, max] when replacing this region by paste. 8408 * Note that if there were two spaces (or more) at that position before, they are kept. We just 8409 * make sure we do not add an extra one from the paste content. 8410 */ 8411 long prepareSpacesAroundPaste(int min, int max, CharSequence paste) { 8412 if (paste.length() > 0) { 8413 if (min > 0) { 8414 final char charBefore = mTransformed.charAt(min - 1); 8415 final char charAfter = paste.charAt(0); 8416 8417 if (Character.isSpaceChar(charBefore) && Character.isSpaceChar(charAfter)) { 8418 // Two spaces at beginning of paste: remove one 8419 final int originalLength = mText.length(); 8420 deleteText_internal(min - 1, min); 8421 // Due to filters, there is no guarantee that exactly one character was 8422 // removed: count instead. 8423 final int delta = mText.length() - originalLength; 8424 min += delta; 8425 max += delta; 8426 } else if (!Character.isSpaceChar(charBefore) && charBefore != '\n' && 8427 !Character.isSpaceChar(charAfter) && charAfter != '\n') { 8428 // No space at beginning of paste: add one 8429 final int originalLength = mText.length(); 8430 replaceText_internal(min, min, " "); 8431 // Taking possible filters into account as above. 8432 final int delta = mText.length() - originalLength; 8433 min += delta; 8434 max += delta; 8435 } 8436 } 8437 8438 if (max < mText.length()) { 8439 final char charBefore = paste.charAt(paste.length() - 1); 8440 final char charAfter = mTransformed.charAt(max); 8441 8442 if (Character.isSpaceChar(charBefore) && Character.isSpaceChar(charAfter)) { 8443 // Two spaces at end of paste: remove one 8444 deleteText_internal(max, max + 1); 8445 } else if (!Character.isSpaceChar(charBefore) && charBefore != '\n' && 8446 !Character.isSpaceChar(charAfter) && charAfter != '\n') { 8447 // No space at end of paste: add one 8448 replaceText_internal(max, max, " "); 8449 } 8450 } 8451 } 8452 8453 return TextUtils.packRangeInLong(min, max); 8454 } 8455 8456 /** 8457 * Paste clipboard content between min and max positions. 8458 */ 8459 private void paste(int min, int max) { 8460 ClipboardManager clipboard = 8461 (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE); 8462 ClipData clip = clipboard.getPrimaryClip(); 8463 if (clip != null) { 8464 boolean didFirst = false; 8465 for (int i=0; i<clip.getItemCount(); i++) { 8466 CharSequence paste = clip.getItemAt(i).coerceToStyledText(getContext()); 8467 if (paste != null) { 8468 if (!didFirst) { 8469 long minMax = prepareSpacesAroundPaste(min, max, paste); 8470 min = TextUtils.unpackRangeStartFromLong(minMax); 8471 max = TextUtils.unpackRangeEndFromLong(minMax); 8472 Selection.setSelection((Spannable) mText, max); 8473 ((Editable) mText).replace(min, max, paste); 8474 didFirst = true; 8475 } else { 8476 ((Editable) mText).insert(getSelectionEnd(), "\n"); 8477 ((Editable) mText).insert(getSelectionEnd(), paste); 8478 } 8479 } 8480 } 8481 stopSelectionActionMode(); 8482 LAST_CUT_OR_COPY_TIME = 0; 8483 } 8484 } 8485 8486 private void setPrimaryClip(ClipData clip) { 8487 ClipboardManager clipboard = (ClipboardManager) getContext(). 8488 getSystemService(Context.CLIPBOARD_SERVICE); 8489 clipboard.setPrimaryClip(clip); 8490 LAST_CUT_OR_COPY_TIME = SystemClock.uptimeMillis(); 8491 } 8492 8493 /** 8494 * Get the character offset closest to the specified absolute position. A typical use case is to 8495 * pass the result of {@link MotionEvent#getX()} and {@link MotionEvent#getY()} to this method. 8496 * 8497 * @param x The horizontal absolute position of a point on screen 8498 * @param y The vertical absolute position of a point on screen 8499 * @return the character offset for the character whose position is closest to the specified 8500 * position. Returns -1 if there is no layout. 8501 */ 8502 public int getOffsetForPosition(float x, float y) { 8503 if (getLayout() == null) return -1; 8504 final int line = getLineAtCoordinate(y); 8505 final int offset = getOffsetAtCoordinate(line, x); 8506 return offset; 8507 } 8508 8509 float convertToLocalHorizontalCoordinate(float x) { 8510 x -= getTotalPaddingLeft(); 8511 // Clamp the position to inside of the view. 8512 x = Math.max(0.0f, x); 8513 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 8514 x += getScrollX(); 8515 return x; 8516 } 8517 8518 int getLineAtCoordinate(float y) { 8519 y -= getTotalPaddingTop(); 8520 // Clamp the position to inside of the view. 8521 y = Math.max(0.0f, y); 8522 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 8523 y += getScrollY(); 8524 return getLayout().getLineForVertical((int) y); 8525 } 8526 8527 private int getOffsetAtCoordinate(int line, float x) { 8528 x = convertToLocalHorizontalCoordinate(x); 8529 return getLayout().getOffsetForHorizontal(line, x); 8530 } 8531 8532 @Override 8533 public boolean onDragEvent(DragEvent event) { 8534 switch (event.getAction()) { 8535 case DragEvent.ACTION_DRAG_STARTED: 8536 return mEditor != null && mEditor.hasInsertionController(); 8537 8538 case DragEvent.ACTION_DRAG_ENTERED: 8539 TextView.this.requestFocus(); 8540 return true; 8541 8542 case DragEvent.ACTION_DRAG_LOCATION: 8543 final int offset = getOffsetForPosition(event.getX(), event.getY()); 8544 Selection.setSelection((Spannable)mText, offset); 8545 return true; 8546 8547 case DragEvent.ACTION_DROP: 8548 if (mEditor != null) mEditor.onDrop(event); 8549 return true; 8550 8551 case DragEvent.ACTION_DRAG_ENDED: 8552 case DragEvent.ACTION_DRAG_EXITED: 8553 default: 8554 return true; 8555 } 8556 } 8557 8558 boolean isInBatchEditMode() { 8559 if (mEditor == null) return false; 8560 final Editor.InputMethodState ims = mEditor.mInputMethodState; 8561 if (ims != null) { 8562 return ims.mBatchEditNesting > 0; 8563 } 8564 return mEditor.mInBatchEditControllers; 8565 } 8566 8567 TextDirectionHeuristic getTextDirectionHeuristic() { 8568 if (hasPasswordTransformationMethod()) { 8569 // passwords fields should be LTR 8570 return TextDirectionHeuristics.LTR; 8571 } 8572 8573 // Always need to resolve layout direction first 8574 final boolean defaultIsRtl = (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 8575 8576 // Now, we can select the heuristic 8577 switch (getTextDirection()) { 8578 default: 8579 case TEXT_DIRECTION_FIRST_STRONG: 8580 return (defaultIsRtl ? TextDirectionHeuristics.FIRSTSTRONG_RTL : 8581 TextDirectionHeuristics.FIRSTSTRONG_LTR); 8582 case TEXT_DIRECTION_ANY_RTL: 8583 return TextDirectionHeuristics.ANYRTL_LTR; 8584 case TEXT_DIRECTION_LTR: 8585 return TextDirectionHeuristics.LTR; 8586 case TEXT_DIRECTION_RTL: 8587 return TextDirectionHeuristics.RTL; 8588 case TEXT_DIRECTION_LOCALE: 8589 return TextDirectionHeuristics.LOCALE; 8590 } 8591 } 8592 8593 /** 8594 * @hide 8595 */ 8596 @Override 8597 public void onResolveDrawables(int layoutDirection) { 8598 // No need to resolve twice 8599 if (mLastLayoutDirection == layoutDirection) { 8600 return; 8601 } 8602 mLastLayoutDirection = layoutDirection; 8603 8604 // Resolve drawables 8605 if (mDrawables != null) { 8606 mDrawables.resolveWithLayoutDirection(layoutDirection); 8607 } 8608 } 8609 8610 /** 8611 * @hide 8612 */ 8613 protected void resetResolvedDrawables() { 8614 super.resetResolvedDrawables(); 8615 mLastLayoutDirection = -1; 8616 } 8617 8618 /** 8619 * @hide 8620 */ 8621 protected void viewClicked(InputMethodManager imm) { 8622 if (imm != null) { 8623 imm.viewClicked(this); 8624 } 8625 } 8626 8627 /** 8628 * Deletes the range of text [start, end[. 8629 * @hide 8630 */ 8631 protected void deleteText_internal(int start, int end) { 8632 ((Editable) mText).delete(start, end); 8633 } 8634 8635 /** 8636 * Replaces the range of text [start, end[ by replacement text 8637 * @hide 8638 */ 8639 protected void replaceText_internal(int start, int end, CharSequence text) { 8640 ((Editable) mText).replace(start, end, text); 8641 } 8642 8643 /** 8644 * Sets a span on the specified range of text 8645 * @hide 8646 */ 8647 protected void setSpan_internal(Object span, int start, int end, int flags) { 8648 ((Editable) mText).setSpan(span, start, end, flags); 8649 } 8650 8651 /** 8652 * Moves the cursor to the specified offset position in text 8653 * @hide 8654 */ 8655 protected void setCursorPosition_internal(int start, int end) { 8656 Selection.setSelection(((Editable) mText), start, end); 8657 } 8658 8659 /** 8660 * An Editor should be created as soon as any of the editable-specific fields (grouped 8661 * inside the Editor object) is assigned to a non-default value. 8662 * This method will create the Editor if needed. 8663 * 8664 * A standard TextView (as well as buttons, checkboxes...) should not qualify and hence will 8665 * have a null Editor, unlike an EditText. Inconsistent in-between states will have an 8666 * Editor for backward compatibility, as soon as one of these fields is assigned. 8667 * 8668 * Also note that for performance reasons, the mEditor is created when needed, but not 8669 * reset when no more edit-specific fields are needed. 8670 */ 8671 private void createEditorIfNeeded() { 8672 if (mEditor == null) { 8673 mEditor = new Editor(this); 8674 } 8675 } 8676 8677 /** 8678 * @hide 8679 */ 8680 @Override 8681 public CharSequence getIterableTextForAccessibility() { 8682 if (!(mText instanceof Spannable)) { 8683 setText(mText, BufferType.SPANNABLE); 8684 } 8685 return mText; 8686 } 8687 8688 /** 8689 * @hide 8690 */ 8691 @Override 8692 public TextSegmentIterator getIteratorForGranularity(int granularity) { 8693 switch (granularity) { 8694 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE: { 8695 Spannable text = (Spannable) getIterableTextForAccessibility(); 8696 if (!TextUtils.isEmpty(text) && getLayout() != null) { 8697 AccessibilityIterators.LineTextSegmentIterator iterator = 8698 AccessibilityIterators.LineTextSegmentIterator.getInstance(); 8699 iterator.initialize(text, getLayout()); 8700 return iterator; 8701 } 8702 } break; 8703 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE: { 8704 Spannable text = (Spannable) getIterableTextForAccessibility(); 8705 if (!TextUtils.isEmpty(text) && getLayout() != null) { 8706 AccessibilityIterators.PageTextSegmentIterator iterator = 8707 AccessibilityIterators.PageTextSegmentIterator.getInstance(); 8708 iterator.initialize(this); 8709 return iterator; 8710 } 8711 } break; 8712 } 8713 return super.getIteratorForGranularity(granularity); 8714 } 8715 8716 /** 8717 * @hide 8718 */ 8719 @Override 8720 public int getAccessibilitySelectionStart() { 8721 return getSelectionStart(); 8722 } 8723 8724 /** 8725 * @hide 8726 */ 8727 public boolean isAccessibilitySelectionExtendable() { 8728 return true; 8729 } 8730 8731 /** 8732 * @hide 8733 */ 8734 @Override 8735 public int getAccessibilitySelectionEnd() { 8736 return getSelectionEnd(); 8737 } 8738 8739 /** 8740 * @hide 8741 */ 8742 @Override 8743 public void setAccessibilitySelection(int start, int end) { 8744 if (getAccessibilitySelectionStart() == start 8745 && getAccessibilitySelectionEnd() == end) { 8746 return; 8747 } 8748 CharSequence text = getIterableTextForAccessibility(); 8749 if (start >= 0 && start <= end && end <= text.length()) { 8750 Selection.setSelection((Spannable) text, start, end); 8751 } else { 8752 Selection.removeSelection((Spannable) text); 8753 } 8754 } 8755 8756 /** 8757 * User interface state that is stored by TextView for implementing 8758 * {@link View#onSaveInstanceState}. 8759 */ 8760 public static class SavedState extends BaseSavedState { 8761 int selStart; 8762 int selEnd; 8763 CharSequence text; 8764 boolean frozenWithFocus; 8765 CharSequence error; 8766 8767 SavedState(Parcelable superState) { 8768 super(superState); 8769 } 8770 8771 @Override 8772 public void writeToParcel(Parcel out, int flags) { 8773 super.writeToParcel(out, flags); 8774 out.writeInt(selStart); 8775 out.writeInt(selEnd); 8776 out.writeInt(frozenWithFocus ? 1 : 0); 8777 TextUtils.writeToParcel(text, out, flags); 8778 8779 if (error == null) { 8780 out.writeInt(0); 8781 } else { 8782 out.writeInt(1); 8783 TextUtils.writeToParcel(error, out, flags); 8784 } 8785 } 8786 8787 @Override 8788 public String toString() { 8789 String str = "TextView.SavedState{" 8790 + Integer.toHexString(System.identityHashCode(this)) 8791 + " start=" + selStart + " end=" + selEnd; 8792 if (text != null) { 8793 str += " text=" + text; 8794 } 8795 return str + "}"; 8796 } 8797 8798 @SuppressWarnings("hiding") 8799 public static final Parcelable.Creator<SavedState> CREATOR 8800 = new Parcelable.Creator<SavedState>() { 8801 public SavedState createFromParcel(Parcel in) { 8802 return new SavedState(in); 8803 } 8804 8805 public SavedState[] newArray(int size) { 8806 return new SavedState[size]; 8807 } 8808 }; 8809 8810 private SavedState(Parcel in) { 8811 super(in); 8812 selStart = in.readInt(); 8813 selEnd = in.readInt(); 8814 frozenWithFocus = (in.readInt() != 0); 8815 text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 8816 8817 if (in.readInt() != 0) { 8818 error = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 8819 } 8820 } 8821 } 8822 8823 private static class CharWrapper implements CharSequence, GetChars, GraphicsOperations { 8824 private char[] mChars; 8825 private int mStart, mLength; 8826 8827 public CharWrapper(char[] chars, int start, int len) { 8828 mChars = chars; 8829 mStart = start; 8830 mLength = len; 8831 } 8832 8833 /* package */ void set(char[] chars, int start, int len) { 8834 mChars = chars; 8835 mStart = start; 8836 mLength = len; 8837 } 8838 8839 public int length() { 8840 return mLength; 8841 } 8842 8843 public char charAt(int off) { 8844 return mChars[off + mStart]; 8845 } 8846 8847 @Override 8848 public String toString() { 8849 return new String(mChars, mStart, mLength); 8850 } 8851 8852 public CharSequence subSequence(int start, int end) { 8853 if (start < 0 || end < 0 || start > mLength || end > mLength) { 8854 throw new IndexOutOfBoundsException(start + ", " + end); 8855 } 8856 8857 return new String(mChars, start + mStart, end - start); 8858 } 8859 8860 public void getChars(int start, int end, char[] buf, int off) { 8861 if (start < 0 || end < 0 || start > mLength || end > mLength) { 8862 throw new IndexOutOfBoundsException(start + ", " + end); 8863 } 8864 8865 System.arraycopy(mChars, start + mStart, buf, off, end - start); 8866 } 8867 8868 public void drawText(Canvas c, int start, int end, 8869 float x, float y, Paint p) { 8870 c.drawText(mChars, start + mStart, end - start, x, y, p); 8871 } 8872 8873 public void drawTextRun(Canvas c, int start, int end, 8874 int contextStart, int contextEnd, float x, float y, int flags, Paint p) { 8875 int count = end - start; 8876 int contextCount = contextEnd - contextStart; 8877 c.drawTextRun(mChars, start + mStart, count, contextStart + mStart, 8878 contextCount, x, y, flags, p); 8879 } 8880 8881 public float measureText(int start, int end, Paint p) { 8882 return p.measureText(mChars, start + mStart, end - start); 8883 } 8884 8885 public int getTextWidths(int start, int end, float[] widths, Paint p) { 8886 return p.getTextWidths(mChars, start + mStart, end - start, widths); 8887 } 8888 8889 public float getTextRunAdvances(int start, int end, int contextStart, 8890 int contextEnd, int flags, float[] advances, int advancesIndex, 8891 Paint p) { 8892 int count = end - start; 8893 int contextCount = contextEnd - contextStart; 8894 return p.getTextRunAdvances(mChars, start + mStart, count, 8895 contextStart + mStart, contextCount, flags, advances, 8896 advancesIndex); 8897 } 8898 8899 public int getTextRunCursor(int contextStart, int contextEnd, int flags, 8900 int offset, int cursorOpt, Paint p) { 8901 int contextCount = contextEnd - contextStart; 8902 return p.getTextRunCursor(mChars, contextStart + mStart, 8903 contextCount, flags, offset + mStart, cursorOpt); 8904 } 8905 } 8906 8907 private static final class Marquee extends Handler { 8908 // TODO: Add an option to configure this 8909 private static final float MARQUEE_DELTA_MAX = 0.07f; 8910 private static final int MARQUEE_DELAY = 1200; 8911 private static final int MARQUEE_RESTART_DELAY = 1200; 8912 private static final int MARQUEE_RESOLUTION = 1000 / 30; 8913 private static final int MARQUEE_PIXELS_PER_SECOND = 30; 8914 8915 private static final byte MARQUEE_STOPPED = 0x0; 8916 private static final byte MARQUEE_STARTING = 0x1; 8917 private static final byte MARQUEE_RUNNING = 0x2; 8918 8919 private static final int MESSAGE_START = 0x1; 8920 private static final int MESSAGE_TICK = 0x2; 8921 private static final int MESSAGE_RESTART = 0x3; 8922 8923 private final WeakReference<TextView> mView; 8924 8925 private byte mStatus = MARQUEE_STOPPED; 8926 private final float mScrollUnit; 8927 private float mMaxScroll; 8928 private float mMaxFadeScroll; 8929 private float mGhostStart; 8930 private float mGhostOffset; 8931 private float mFadeStop; 8932 private int mRepeatLimit; 8933 8934 private float mScroll; 8935 8936 Marquee(TextView v) { 8937 final float density = v.getContext().getResources().getDisplayMetrics().density; 8938 mScrollUnit = (MARQUEE_PIXELS_PER_SECOND * density) / MARQUEE_RESOLUTION; 8939 mView = new WeakReference<TextView>(v); 8940 } 8941 8942 @Override 8943 public void handleMessage(Message msg) { 8944 switch (msg.what) { 8945 case MESSAGE_START: 8946 mStatus = MARQUEE_RUNNING; 8947 tick(); 8948 break; 8949 case MESSAGE_TICK: 8950 tick(); 8951 break; 8952 case MESSAGE_RESTART: 8953 if (mStatus == MARQUEE_RUNNING) { 8954 if (mRepeatLimit >= 0) { 8955 mRepeatLimit--; 8956 } 8957 start(mRepeatLimit); 8958 } 8959 break; 8960 } 8961 } 8962 8963 void tick() { 8964 if (mStatus != MARQUEE_RUNNING) { 8965 return; 8966 } 8967 8968 removeMessages(MESSAGE_TICK); 8969 8970 final TextView textView = mView.get(); 8971 if (textView != null && (textView.isFocused() || textView.isSelected())) { 8972 mScroll += mScrollUnit; 8973 if (mScroll > mMaxScroll) { 8974 mScroll = mMaxScroll; 8975 sendEmptyMessageDelayed(MESSAGE_RESTART, MARQUEE_RESTART_DELAY); 8976 } else { 8977 sendEmptyMessageDelayed(MESSAGE_TICK, MARQUEE_RESOLUTION); 8978 } 8979 textView.invalidate(); 8980 } 8981 } 8982 8983 void stop() { 8984 mStatus = MARQUEE_STOPPED; 8985 removeMessages(MESSAGE_START); 8986 removeMessages(MESSAGE_RESTART); 8987 removeMessages(MESSAGE_TICK); 8988 resetScroll(); 8989 } 8990 8991 private void resetScroll() { 8992 mScroll = 0.0f; 8993 final TextView textView = mView.get(); 8994 if (textView != null) textView.invalidate(); 8995 } 8996 8997 void start(int repeatLimit) { 8998 if (repeatLimit == 0) { 8999 stop(); 9000 return; 9001 } 9002 mRepeatLimit = repeatLimit; 9003 final TextView textView = mView.get(); 9004 if (textView != null && textView.mLayout != null) { 9005 mStatus = MARQUEE_STARTING; 9006 mScroll = 0.0f; 9007 final int textWidth = textView.getWidth() - textView.getCompoundPaddingLeft() - 9008 textView.getCompoundPaddingRight(); 9009 final float lineWidth = textView.mLayout.getLineWidth(0); 9010 final float gap = textWidth / 3.0f; 9011 mGhostStart = lineWidth - textWidth + gap; 9012 mMaxScroll = mGhostStart + textWidth; 9013 mGhostOffset = lineWidth + gap; 9014 mFadeStop = lineWidth + textWidth / 6.0f; 9015 mMaxFadeScroll = mGhostStart + lineWidth + lineWidth; 9016 9017 textView.invalidate(); 9018 sendEmptyMessageDelayed(MESSAGE_START, MARQUEE_DELAY); 9019 } 9020 } 9021 9022 float getGhostOffset() { 9023 return mGhostOffset; 9024 } 9025 9026 float getScroll() { 9027 return mScroll; 9028 } 9029 9030 float getMaxFadeScroll() { 9031 return mMaxFadeScroll; 9032 } 9033 9034 boolean shouldDrawLeftFade() { 9035 return mScroll <= mFadeStop; 9036 } 9037 9038 boolean shouldDrawGhost() { 9039 return mStatus == MARQUEE_RUNNING && mScroll > mGhostStart; 9040 } 9041 9042 boolean isRunning() { 9043 return mStatus == MARQUEE_RUNNING; 9044 } 9045 9046 boolean isStopped() { 9047 return mStatus == MARQUEE_STOPPED; 9048 } 9049 } 9050 9051 private class ChangeWatcher implements TextWatcher, SpanWatcher { 9052 9053 private CharSequence mBeforeText; 9054 9055 public void beforeTextChanged(CharSequence buffer, int start, 9056 int before, int after) { 9057 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "beforeTextChanged start=" + start 9058 + " before=" + before + " after=" + after + ": " + buffer); 9059 9060 if (AccessibilityManager.getInstance(mContext).isEnabled() 9061 && ((!isPasswordInputType(getInputType()) && !hasPasswordTransformationMethod()) 9062 || shouldSpeakPasswordsForAccessibility())) { 9063 mBeforeText = buffer.toString(); 9064 } 9065 9066 TextView.this.sendBeforeTextChanged(buffer, start, before, after); 9067 } 9068 9069 public void onTextChanged(CharSequence buffer, int start, int before, int after) { 9070 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onTextChanged start=" + start 9071 + " before=" + before + " after=" + after + ": " + buffer); 9072 TextView.this.handleTextChanged(buffer, start, before, after); 9073 9074 if (AccessibilityManager.getInstance(mContext).isEnabled() && 9075 (isFocused() || isSelected() && isShown())) { 9076 sendAccessibilityEventTypeViewTextChanged(mBeforeText, start, before, after); 9077 mBeforeText = null; 9078 } 9079 } 9080 9081 public void afterTextChanged(Editable buffer) { 9082 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "afterTextChanged: " + buffer); 9083 TextView.this.sendAfterTextChanged(buffer); 9084 9085 if (MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0) { 9086 MetaKeyKeyListener.stopSelecting(TextView.this, buffer); 9087 } 9088 } 9089 9090 public void onSpanChanged(Spannable buf, Object what, int s, int e, int st, int en) { 9091 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanChanged s=" + s + " e=" + e 9092 + " st=" + st + " en=" + en + " what=" + what + ": " + buf); 9093 TextView.this.spanChange(buf, what, s, st, e, en); 9094 } 9095 9096 public void onSpanAdded(Spannable buf, Object what, int s, int e) { 9097 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanAdded s=" + s + " e=" + e 9098 + " what=" + what + ": " + buf); 9099 TextView.this.spanChange(buf, what, -1, s, -1, e); 9100 } 9101 9102 public void onSpanRemoved(Spannable buf, Object what, int s, int e) { 9103 if (DEBUG_EXTRACT) Log.v(LOG_TAG, "onSpanRemoved s=" + s + " e=" + e 9104 + " what=" + what + ": " + buf); 9105 TextView.this.spanChange(buf, what, s, -1, e, -1); 9106 } 9107 } 9108} 9109