ViewRootImpl.java revision 149567f9d59a07a9d7793ea455ff4c2586c3ae53
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.view; 18 19import android.Manifest; 20import android.animation.LayoutTransition; 21import android.app.ActivityManagerNative; 22import android.content.ClipDescription; 23import android.content.ComponentCallbacks; 24import android.content.ComponentCallbacks2; 25import android.content.Context; 26import android.content.pm.ApplicationInfo; 27import android.content.pm.PackageManager; 28import android.content.res.CompatibilityInfo; 29import android.content.res.Configuration; 30import android.content.res.Resources; 31import android.graphics.Canvas; 32import android.graphics.Paint; 33import android.graphics.PixelFormat; 34import android.graphics.Point; 35import android.graphics.PointF; 36import android.graphics.PorterDuff; 37import android.graphics.Rect; 38import android.graphics.Region; 39import android.graphics.drawable.Drawable; 40import android.media.AudioManager; 41import android.os.Binder; 42import android.os.Bundle; 43import android.os.Debug; 44import android.os.Handler; 45import android.os.LatencyTimer; 46import android.os.Looper; 47import android.os.Message; 48import android.os.ParcelFileDescriptor; 49import android.os.PowerManager; 50import android.os.Process; 51import android.os.RemoteException; 52import android.os.SystemClock; 53import android.os.SystemProperties; 54import android.os.Trace; 55import android.util.AndroidRuntimeException; 56import android.util.DisplayMetrics; 57import android.util.Log; 58import android.util.Slog; 59import android.util.TypedValue; 60import android.view.View.AttachInfo; 61import android.view.View.MeasureSpec; 62import android.view.accessibility.AccessibilityEvent; 63import android.view.accessibility.AccessibilityManager; 64import android.view.accessibility.AccessibilityManager.AccessibilityStateChangeListener; 65import android.view.accessibility.AccessibilityNodeInfo; 66import android.view.accessibility.AccessibilityNodeProvider; 67import android.view.accessibility.IAccessibilityInteractionConnection; 68import android.view.accessibility.IAccessibilityInteractionConnectionCallback; 69import android.view.animation.AccelerateDecelerateInterpolator; 70import android.view.animation.Interpolator; 71import android.view.inputmethod.InputConnection; 72import android.view.inputmethod.InputMethodManager; 73import android.widget.Scroller; 74 75import com.android.internal.R; 76import com.android.internal.os.SomeArgs; 77import com.android.internal.policy.PolicyManager; 78import com.android.internal.view.BaseSurfaceHolder; 79import com.android.internal.view.RootViewSurfaceTaker; 80 81import java.io.IOException; 82import java.io.OutputStream; 83import java.lang.ref.WeakReference; 84import java.util.ArrayList; 85import java.util.HashSet; 86 87/** 88 * The top of a view hierarchy, implementing the needed protocol between View 89 * and the WindowManager. This is for the most part an internal implementation 90 * detail of {@link WindowManagerGlobal}. 91 * 92 * {@hide} 93 */ 94@SuppressWarnings({"EmptyCatchBlock", "PointlessBooleanExpression"}) 95public final class ViewRootImpl implements ViewParent, 96 View.AttachInfo.Callbacks, HardwareRenderer.HardwareDrawCallbacks { 97 private static final String TAG = "ViewRootImpl"; 98 private static final boolean DBG = false; 99 private static final boolean LOCAL_LOGV = false; 100 /** @noinspection PointlessBooleanExpression*/ 101 private static final boolean DEBUG_DRAW = false || LOCAL_LOGV; 102 private static final boolean DEBUG_LAYOUT = false || LOCAL_LOGV; 103 private static final boolean DEBUG_DIALOG = false || LOCAL_LOGV; 104 private static final boolean DEBUG_INPUT_RESIZE = false || LOCAL_LOGV; 105 private static final boolean DEBUG_ORIENTATION = false || LOCAL_LOGV; 106 private static final boolean DEBUG_TRACKBALL = false || LOCAL_LOGV; 107 private static final boolean DEBUG_IMF = false || LOCAL_LOGV; 108 private static final boolean DEBUG_CONFIGURATION = false || LOCAL_LOGV; 109 private static final boolean DEBUG_FPS = false; 110 111 private static final boolean USE_RENDER_THREAD = false; 112 113 /** 114 * Set this system property to true to force the view hierarchy to render 115 * at 60 Hz. This can be used to measure the potential framerate. 116 */ 117 private static final String PROPERTY_PROFILE_RENDERING = "viewancestor.profile_rendering"; 118 119 private static final boolean MEASURE_LATENCY = false; 120 private static LatencyTimer lt; 121 122 /** 123 * Maximum time we allow the user to roll the trackball enough to generate 124 * a key event, before resetting the counters. 125 */ 126 static final int MAX_TRACKBALL_DELAY = 250; 127 128 static final ThreadLocal<RunQueue> sRunQueues = new ThreadLocal<RunQueue>(); 129 130 static final ArrayList<Runnable> sFirstDrawHandlers = new ArrayList<Runnable>(); 131 static boolean sFirstDrawComplete = false; 132 133 static final ArrayList<ComponentCallbacks> sConfigCallbacks 134 = new ArrayList<ComponentCallbacks>(); 135 136 private static boolean sUseRenderThread = false; 137 private static boolean sRenderThreadQueried = false; 138 private static final Object[] sRenderThreadQueryLock = new Object[0]; 139 140 final IWindowSession mWindowSession; 141 final Display mDisplay; 142 143 long mLastTrackballTime = 0; 144 final TrackballAxis mTrackballAxisX = new TrackballAxis(); 145 final TrackballAxis mTrackballAxisY = new TrackballAxis(); 146 147 final SimulatedTrackball mSimulatedTrackball; 148 149 int mLastJoystickXDirection; 150 int mLastJoystickYDirection; 151 int mLastJoystickXKeyCode; 152 int mLastJoystickYKeyCode; 153 154 final int[] mTmpLocation = new int[2]; 155 156 final TypedValue mTmpValue = new TypedValue(); 157 158 final InputMethodCallback mInputMethodCallback; 159 final Thread mThread; 160 161 final WindowLeaked mLocation; 162 163 final WindowManager.LayoutParams mWindowAttributes = new WindowManager.LayoutParams(); 164 165 final W mWindow; 166 167 final int mTargetSdkVersion; 168 169 int mSeq; 170 171 View mView; 172 173 View mAccessibilityFocusedHost; 174 AccessibilityNodeInfo mAccessibilityFocusedVirtualView; 175 176 int mViewVisibility; 177 boolean mAppVisible = true; 178 int mOrigWindowType = -1; 179 180 // Set to true if the owner of this window is in the stopped state, 181 // so the window should no longer be active. 182 boolean mStopped = false; 183 184 boolean mLastInCompatMode = false; 185 186 SurfaceHolder.Callback2 mSurfaceHolderCallback; 187 BaseSurfaceHolder mSurfaceHolder; 188 boolean mIsCreating; 189 boolean mDrawingAllowed; 190 191 final Region mTransparentRegion; 192 final Region mPreviousTransparentRegion; 193 194 int mWidth; 195 int mHeight; 196 Rect mDirty; 197 final Rect mCurrentDirty = new Rect(); 198 final Rect mPreviousDirty = new Rect(); 199 boolean mIsAnimating; 200 201 CompatibilityInfo.Translator mTranslator; 202 203 final View.AttachInfo mAttachInfo; 204 InputChannel mInputChannel; 205 InputQueue.Callback mInputQueueCallback; 206 InputQueue mInputQueue; 207 FallbackEventHandler mFallbackEventHandler; 208 Choreographer mChoreographer; 209 210 final Rect mTempRect; // used in the transaction to not thrash the heap. 211 final Rect mVisRect; // used to retrieve visible rect of focused view. 212 213 boolean mTraversalScheduled; 214 int mTraversalBarrier; 215 boolean mWillDrawSoon; 216 /** Set to true while in performTraversals for detecting when die(true) is called from internal 217 * callbacks such as onMeasure, onPreDraw, onDraw and deferring doDie() until later. */ 218 boolean mIsInTraversal; 219 boolean mFitSystemWindowsRequested; 220 boolean mLayoutRequested; 221 boolean mFirst; 222 boolean mReportNextDraw; 223 boolean mFullRedrawNeeded; 224 boolean mNewSurfaceNeeded; 225 boolean mHasHadWindowFocus; 226 boolean mLastWasImTarget; 227 boolean mWindowsAnimating; 228 boolean mIsDrawing; 229 int mLastSystemUiVisibility; 230 int mClientWindowLayoutFlags; 231 232 // Pool of queued input events. 233 private static final int MAX_QUEUED_INPUT_EVENT_POOL_SIZE = 10; 234 private QueuedInputEvent mQueuedInputEventPool; 235 private int mQueuedInputEventPoolSize; 236 237 // Input event queue. 238 QueuedInputEvent mFirstPendingInputEvent; 239 QueuedInputEvent mCurrentInputEvent; 240 boolean mProcessInputEventsScheduled; 241 242 boolean mWindowAttributesChanged = false; 243 int mWindowAttributesChangesFlag = 0; 244 245 // These can be accessed by any thread, must be protected with a lock. 246 // Surface can never be reassigned or cleared (use Surface.clear()). 247 private final Surface mSurface = new Surface(); 248 249 boolean mAdded; 250 boolean mAddedTouchMode; 251 252 final CompatibilityInfoHolder mCompatibilityInfo; 253 254 // These are accessed by multiple threads. 255 final Rect mWinFrame; // frame given by window manager. 256 257 final Rect mPendingVisibleInsets = new Rect(); 258 final Rect mPendingContentInsets = new Rect(); 259 final ViewTreeObserver.InternalInsetsInfo mLastGivenInsets 260 = new ViewTreeObserver.InternalInsetsInfo(); 261 262 final Rect mFitSystemWindowsInsets = new Rect(); 263 264 final Configuration mLastConfiguration = new Configuration(); 265 final Configuration mPendingConfiguration = new Configuration(); 266 267 boolean mScrollMayChange; 268 int mSoftInputMode; 269 WeakReference<View> mLastScrolledFocus; 270 int mScrollY; 271 int mCurScrollY; 272 Scroller mScroller; 273 HardwareLayer mResizeBuffer; 274 long mResizeBufferStartTime; 275 int mResizeBufferDuration; 276 static final Interpolator mResizeInterpolator = new AccelerateDecelerateInterpolator(); 277 private ArrayList<LayoutTransition> mPendingTransitions; 278 279 final ViewConfiguration mViewConfiguration; 280 281 /* Drag/drop */ 282 ClipDescription mDragDescription; 283 View mCurrentDragView; 284 volatile Object mLocalDragState; 285 final PointF mDragPoint = new PointF(); 286 final PointF mLastTouchPoint = new PointF(); 287 288 private boolean mProfileRendering; 289 private Choreographer.FrameCallback mRenderProfiler; 290 private boolean mRenderProfilingEnabled; 291 292 // Variables to track frames per second, enabled via DEBUG_FPS flag 293 private long mFpsStartTime = -1; 294 private long mFpsPrevTime = -1; 295 private int mFpsNumFrames; 296 297 private final ArrayList<DisplayList> mDisplayLists = new ArrayList<DisplayList>(); 298 299 /** 300 * see {@link #playSoundEffect(int)} 301 */ 302 AudioManager mAudioManager; 303 304 final AccessibilityManager mAccessibilityManager; 305 306 AccessibilityInteractionController mAccessibilityInteractionController; 307 308 AccessibilityInteractionConnectionManager mAccessibilityInteractionConnectionManager; 309 310 SendWindowContentChangedAccessibilityEvent mSendWindowContentChangedAccessibilityEvent; 311 312 HashSet<View> mTempHashSet; 313 314 private final int mDensity; 315 private final int mNoncompatDensity; 316 317 private boolean mInLayout = false; 318 ArrayList<View> mLayoutRequesters = new ArrayList<View>(); 319 boolean mHandlingLayoutInLayoutRequest = false; 320 321 private int mViewLayoutDirectionInitial; 322 323 /** 324 * Consistency verifier for debugging purposes. 325 */ 326 protected final InputEventConsistencyVerifier mInputEventConsistencyVerifier = 327 InputEventConsistencyVerifier.isInstrumentationEnabled() ? 328 new InputEventConsistencyVerifier(this, 0) : null; 329 330 static final class SystemUiVisibilityInfo { 331 int seq; 332 int globalVisibility; 333 int localValue; 334 int localChanges; 335 } 336 337 public ViewRootImpl(Context context, Display display) { 338 super(); 339 340 if (MEASURE_LATENCY) { 341 if (lt == null) { 342 lt = new LatencyTimer(100, 1000); 343 } 344 } 345 346 // Initialize the statics when this class is first instantiated. This is 347 // done here instead of in the static block because Zygote does not 348 // allow the spawning of threads. 349 mWindowSession = WindowManagerGlobal.getWindowSession(context.getMainLooper()); 350 mDisplay = display; 351 352 CompatibilityInfoHolder cih = display.getCompatibilityInfo(); 353 mCompatibilityInfo = cih != null ? cih : new CompatibilityInfoHolder(); 354 355 mThread = Thread.currentThread(); 356 mLocation = new WindowLeaked(null); 357 mLocation.fillInStackTrace(); 358 mWidth = -1; 359 mHeight = -1; 360 mDirty = new Rect(); 361 mTempRect = new Rect(); 362 mVisRect = new Rect(); 363 mWinFrame = new Rect(); 364 mWindow = new W(this); 365 mTargetSdkVersion = context.getApplicationInfo().targetSdkVersion; 366 mInputMethodCallback = new InputMethodCallback(this); 367 mViewVisibility = View.GONE; 368 mTransparentRegion = new Region(); 369 mPreviousTransparentRegion = new Region(); 370 mFirst = true; // true for the first time the view is added 371 mAdded = false; 372 mAccessibilityManager = AccessibilityManager.getInstance(context); 373 mAccessibilityInteractionConnectionManager = 374 new AccessibilityInteractionConnectionManager(); 375 mAccessibilityManager.addAccessibilityStateChangeListener( 376 mAccessibilityInteractionConnectionManager); 377 mAttachInfo = new View.AttachInfo(mWindowSession, mWindow, display, this, mHandler, this); 378 mViewConfiguration = ViewConfiguration.get(context); 379 mDensity = context.getResources().getDisplayMetrics().densityDpi; 380 mNoncompatDensity = context.getResources().getDisplayMetrics().noncompatDensityDpi; 381 mFallbackEventHandler = PolicyManager.makeNewFallbackEventHandler(context); 382 mChoreographer = Choreographer.getInstance(); 383 384 PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE); 385 mAttachInfo.mScreenOn = powerManager.isScreenOn(); 386 loadSystemProperties(); 387 mSimulatedTrackball = new SimulatedTrackball(context); 388 } 389 390 /** 391 * @return True if the application requests the use of a separate render thread, 392 * false otherwise 393 */ 394 private static boolean isRenderThreadRequested(Context context) { 395 if (USE_RENDER_THREAD) { 396 synchronized (sRenderThreadQueryLock) { 397 if (!sRenderThreadQueried) { 398 final PackageManager packageManager = context.getPackageManager(); 399 final String packageName = context.getApplicationInfo().packageName; 400 try { 401 ApplicationInfo applicationInfo = packageManager.getApplicationInfo(packageName, 402 PackageManager.GET_META_DATA); 403 if (applicationInfo.metaData != null) { 404 sUseRenderThread = applicationInfo.metaData.getBoolean( 405 "android.graphics.renderThread", false); 406 } 407 } catch (PackageManager.NameNotFoundException e) { 408 } finally { 409 sRenderThreadQueried = true; 410 } 411 } 412 return sUseRenderThread; 413 } 414 } else { 415 return false; 416 } 417 } 418 419 public static void addFirstDrawHandler(Runnable callback) { 420 synchronized (sFirstDrawHandlers) { 421 if (!sFirstDrawComplete) { 422 sFirstDrawHandlers.add(callback); 423 } 424 } 425 } 426 427 public static void addConfigCallback(ComponentCallbacks callback) { 428 synchronized (sConfigCallbacks) { 429 sConfigCallbacks.add(callback); 430 } 431 } 432 433 // FIXME for perf testing only 434 private boolean mProfile = false; 435 436 /** 437 * Call this to profile the next traversal call. 438 * FIXME for perf testing only. Remove eventually 439 */ 440 public void profile() { 441 mProfile = true; 442 } 443 444 /** 445 * Indicates whether we are in touch mode. Calling this method triggers an IPC 446 * call and should be avoided whenever possible. 447 * 448 * @return True, if the device is in touch mode, false otherwise. 449 * 450 * @hide 451 */ 452 static boolean isInTouchMode() { 453 IWindowSession windowSession = WindowManagerGlobal.peekWindowSession(); 454 if (windowSession != null) { 455 try { 456 return windowSession.getInTouchMode(); 457 } catch (RemoteException e) { 458 } 459 } 460 return false; 461 } 462 463 /** 464 * We have one child 465 */ 466 public void setView(View view, WindowManager.LayoutParams attrs, View panelParentView) { 467 synchronized (this) { 468 if (mView == null) { 469 mView = view; 470 mViewLayoutDirectionInitial = mView.getRawLayoutDirection(); 471 mFallbackEventHandler.setView(view); 472 mWindowAttributes.copyFrom(attrs); 473 attrs = mWindowAttributes; 474 // Keep track of the actual window flags supplied by the client. 475 mClientWindowLayoutFlags = attrs.flags; 476 477 setAccessibilityFocus(null, null); 478 479 if (view instanceof RootViewSurfaceTaker) { 480 mSurfaceHolderCallback = 481 ((RootViewSurfaceTaker)view).willYouTakeTheSurface(); 482 if (mSurfaceHolderCallback != null) { 483 mSurfaceHolder = new TakenSurfaceHolder(); 484 mSurfaceHolder.setFormat(PixelFormat.UNKNOWN); 485 } 486 } 487 488 CompatibilityInfo compatibilityInfo = mCompatibilityInfo.get(); 489 mTranslator = compatibilityInfo.getTranslator(); 490 491 // If the application owns the surface, don't enable hardware acceleration 492 if (mSurfaceHolder == null) { 493 enableHardwareAcceleration(mView.getContext(), attrs); 494 } 495 496 boolean restore = false; 497 if (mTranslator != null) { 498 mSurface.setCompatibilityTranslator(mTranslator); 499 restore = true; 500 attrs.backup(); 501 mTranslator.translateWindowLayout(attrs); 502 } 503 if (DEBUG_LAYOUT) Log.d(TAG, "WindowLayout in setView:" + attrs); 504 505 if (!compatibilityInfo.supportsScreen()) { 506 attrs.flags |= WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW; 507 mLastInCompatMode = true; 508 } 509 510 mSoftInputMode = attrs.softInputMode; 511 mWindowAttributesChanged = true; 512 mWindowAttributesChangesFlag = WindowManager.LayoutParams.EVERYTHING_CHANGED; 513 mAttachInfo.mRootView = view; 514 mAttachInfo.mScalingRequired = mTranslator != null; 515 mAttachInfo.mApplicationScale = 516 mTranslator == null ? 1.0f : mTranslator.applicationScale; 517 if (panelParentView != null) { 518 mAttachInfo.mPanelParentWindowToken 519 = panelParentView.getApplicationWindowToken(); 520 } 521 mAdded = true; 522 int res; /* = WindowManagerImpl.ADD_OKAY; */ 523 524 // Schedule the first layout -before- adding to the window 525 // manager, to make sure we do the relayout before receiving 526 // any other events from the system. 527 requestLayout(); 528 if ((mWindowAttributes.inputFeatures 529 & WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL) == 0) { 530 mInputChannel = new InputChannel(); 531 } 532 try { 533 mOrigWindowType = mWindowAttributes.type; 534 mAttachInfo.mRecomputeGlobalAttributes = true; 535 collectViewAttributes(); 536 res = mWindowSession.addToDisplay(mWindow, mSeq, mWindowAttributes, 537 getHostVisibility(), mDisplay.getDisplayId(), 538 mAttachInfo.mContentInsets, mInputChannel); 539 } catch (RemoteException e) { 540 mAdded = false; 541 mView = null; 542 mAttachInfo.mRootView = null; 543 mInputChannel = null; 544 mFallbackEventHandler.setView(null); 545 unscheduleTraversals(); 546 setAccessibilityFocus(null, null); 547 throw new RuntimeException("Adding window failed", e); 548 } finally { 549 if (restore) { 550 attrs.restore(); 551 } 552 } 553 554 if (mTranslator != null) { 555 mTranslator.translateRectInScreenToAppWindow(mAttachInfo.mContentInsets); 556 } 557 mPendingContentInsets.set(mAttachInfo.mContentInsets); 558 mPendingVisibleInsets.set(0, 0, 0, 0); 559 if (DEBUG_LAYOUT) Log.v(TAG, "Added window " + mWindow); 560 if (res < WindowManagerGlobal.ADD_OKAY) { 561 mAttachInfo.mRootView = null; 562 mAdded = false; 563 mFallbackEventHandler.setView(null); 564 unscheduleTraversals(); 565 setAccessibilityFocus(null, null); 566 switch (res) { 567 case WindowManagerGlobal.ADD_BAD_APP_TOKEN: 568 case WindowManagerGlobal.ADD_BAD_SUBWINDOW_TOKEN: 569 throw new WindowManager.BadTokenException( 570 "Unable to add window -- token " + attrs.token 571 + " is not valid; is your activity running?"); 572 case WindowManagerGlobal.ADD_NOT_APP_TOKEN: 573 throw new WindowManager.BadTokenException( 574 "Unable to add window -- token " + attrs.token 575 + " is not for an application"); 576 case WindowManagerGlobal.ADD_APP_EXITING: 577 throw new WindowManager.BadTokenException( 578 "Unable to add window -- app for token " + attrs.token 579 + " is exiting"); 580 case WindowManagerGlobal.ADD_DUPLICATE_ADD: 581 throw new WindowManager.BadTokenException( 582 "Unable to add window -- window " + mWindow 583 + " has already been added"); 584 case WindowManagerGlobal.ADD_STARTING_NOT_NEEDED: 585 // Silently ignore -- we would have just removed it 586 // right away, anyway. 587 return; 588 case WindowManagerGlobal.ADD_MULTIPLE_SINGLETON: 589 throw new WindowManager.BadTokenException( 590 "Unable to add window " + mWindow + 591 " -- another window of this type already exists"); 592 case WindowManagerGlobal.ADD_PERMISSION_DENIED: 593 throw new WindowManager.BadTokenException( 594 "Unable to add window " + mWindow + 595 " -- permission denied for this window type"); 596 case WindowManagerGlobal.ADD_INVALID_DISPLAY: 597 throw new WindowManager.InvalidDisplayException( 598 "Unable to add window " + mWindow + 599 " -- the specified display can not be found"); 600 } 601 throw new RuntimeException( 602 "Unable to add window -- unknown error code " + res); 603 } 604 605 if (view instanceof RootViewSurfaceTaker) { 606 mInputQueueCallback = 607 ((RootViewSurfaceTaker)view).willYouTakeTheInputQueue(); 608 } 609 if (mInputChannel != null) { 610 if (mInputQueueCallback != null) { 611 mInputQueue = new InputQueue(mInputChannel); 612 mInputQueueCallback.onInputQueueCreated(mInputQueue); 613 } else { 614 mInputEventReceiver = new WindowInputEventReceiver(mInputChannel, 615 Looper.myLooper()); 616 } 617 } 618 619 view.assignParent(this); 620 mAddedTouchMode = (res & WindowManagerGlobal.ADD_FLAG_IN_TOUCH_MODE) != 0; 621 mAppVisible = (res & WindowManagerGlobal.ADD_FLAG_APP_VISIBLE) != 0; 622 623 if (mAccessibilityManager.isEnabled()) { 624 mAccessibilityInteractionConnectionManager.ensureConnection(); 625 } 626 627 if (view.getImportantForAccessibility() == View.IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 628 view.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES); 629 } 630 } 631 } 632 } 633 634 void destroyHardwareResources() { 635 if (mAttachInfo.mHardwareRenderer != null) { 636 if (mAttachInfo.mHardwareRenderer.isEnabled()) { 637 mAttachInfo.mHardwareRenderer.destroyLayers(mView); 638 } 639 mAttachInfo.mHardwareRenderer.destroy(false); 640 } 641 } 642 643 void terminateHardwareResources() { 644 if (mAttachInfo.mHardwareRenderer != null) { 645 mAttachInfo.mHardwareRenderer.destroyHardwareResources(mView); 646 mAttachInfo.mHardwareRenderer.destroy(false); 647 } 648 } 649 650 void destroyHardwareLayers() { 651 if (mThread != Thread.currentThread()) { 652 if (mAttachInfo.mHardwareRenderer != null && 653 mAttachInfo.mHardwareRenderer.isEnabled()) { 654 HardwareRenderer.trimMemory(ComponentCallbacks2.TRIM_MEMORY_MODERATE); 655 } 656 } else { 657 if (mAttachInfo.mHardwareRenderer != null && 658 mAttachInfo.mHardwareRenderer.isEnabled()) { 659 mAttachInfo.mHardwareRenderer.destroyLayers(mView); 660 } 661 } 662 } 663 664 void pushHardwareLayerUpdate(HardwareLayer layer) { 665 if (mAttachInfo.mHardwareRenderer != null && mAttachInfo.mHardwareRenderer.isEnabled()) { 666 mAttachInfo.mHardwareRenderer.pushLayerUpdate(layer); 667 } 668 } 669 670 public boolean attachFunctor(int functor) { 671 //noinspection SimplifiableIfStatement 672 if (mAttachInfo.mHardwareRenderer != null && mAttachInfo.mHardwareRenderer.isEnabled()) { 673 return mAttachInfo.mHardwareRenderer.attachFunctor(mAttachInfo, functor); 674 } 675 return false; 676 } 677 678 public void detachFunctor(int functor) { 679 if (mAttachInfo.mHardwareRenderer != null) { 680 mAttachInfo.mHardwareRenderer.detachFunctor(functor); 681 } 682 } 683 684 private void enableHardwareAcceleration(Context context, WindowManager.LayoutParams attrs) { 685 mAttachInfo.mHardwareAccelerated = false; 686 mAttachInfo.mHardwareAccelerationRequested = false; 687 688 // Don't enable hardware acceleration when the application is in compatibility mode 689 if (mTranslator != null) return; 690 691 // Try to enable hardware acceleration if requested 692 final boolean hardwareAccelerated = 693 (attrs.flags & WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED) != 0; 694 695 if (hardwareAccelerated) { 696 if (!HardwareRenderer.isAvailable()) { 697 return; 698 } 699 700 // Persistent processes (including the system) should not do 701 // accelerated rendering on low-end devices. In that case, 702 // sRendererDisabled will be set. In addition, the system process 703 // itself should never do accelerated rendering. In that case, both 704 // sRendererDisabled and sSystemRendererDisabled are set. When 705 // sSystemRendererDisabled is set, PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED 706 // can be used by code on the system process to escape that and enable 707 // HW accelerated drawing. (This is basically for the lock screen.) 708 709 final boolean fakeHwAccelerated = (attrs.privateFlags & 710 WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED) != 0; 711 final boolean forceHwAccelerated = (attrs.privateFlags & 712 WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED) != 0; 713 714 if (!HardwareRenderer.sRendererDisabled || (HardwareRenderer.sSystemRendererDisabled 715 && forceHwAccelerated)) { 716 // Don't enable hardware acceleration when we're not on the main thread 717 if (!HardwareRenderer.sSystemRendererDisabled && 718 Looper.getMainLooper() != Looper.myLooper()) { 719 Log.w(HardwareRenderer.LOG_TAG, "Attempting to initialize hardware " 720 + "acceleration outside of the main thread, aborting"); 721 return; 722 } 723 724 final boolean renderThread = isRenderThreadRequested(context); 725 if (renderThread) { 726 Log.i(HardwareRenderer.LOG_TAG, "Render threat initiated"); 727 } 728 729 if (mAttachInfo.mHardwareRenderer != null) { 730 mAttachInfo.mHardwareRenderer.destroy(true); 731 } 732 733 final boolean translucent = attrs.format != PixelFormat.OPAQUE; 734 mAttachInfo.mHardwareRenderer = HardwareRenderer.createGlRenderer(2, translucent); 735 mAttachInfo.mHardwareAccelerated = mAttachInfo.mHardwareAccelerationRequested 736 = mAttachInfo.mHardwareRenderer != null; 737 738 } else if (fakeHwAccelerated) { 739 // The window had wanted to use hardware acceleration, but this 740 // is not allowed in its process. By setting this flag, it can 741 // still render as if it was accelerated. This is basically for 742 // the preview windows the window manager shows for launching 743 // applications, so they will look more like the app being launched. 744 mAttachInfo.mHardwareAccelerationRequested = true; 745 } 746 } 747 } 748 749 public View getView() { 750 return mView; 751 } 752 753 final WindowLeaked getLocation() { 754 return mLocation; 755 } 756 757 void setLayoutParams(WindowManager.LayoutParams attrs, boolean newView) { 758 synchronized (this) { 759 int oldSoftInputMode = mWindowAttributes.softInputMode; 760 // Keep track of the actual window flags supplied by the client. 761 mClientWindowLayoutFlags = attrs.flags; 762 // preserve compatible window flag if exists. 763 int compatibleWindowFlag = 764 mWindowAttributes.flags & WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW; 765 // transfer over system UI visibility values as they carry current state. 766 attrs.systemUiVisibility = mWindowAttributes.systemUiVisibility; 767 attrs.subtreeSystemUiVisibility = mWindowAttributes.subtreeSystemUiVisibility; 768 mWindowAttributesChangesFlag = mWindowAttributes.copyFrom(attrs); 769 mWindowAttributes.flags |= compatibleWindowFlag; 770 771 applyKeepScreenOnFlag(mWindowAttributes); 772 773 if (newView) { 774 mSoftInputMode = attrs.softInputMode; 775 requestLayout(); 776 } 777 // Don't lose the mode we last auto-computed. 778 if ((attrs.softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 779 == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_UNSPECIFIED) { 780 mWindowAttributes.softInputMode = (mWindowAttributes.softInputMode 781 & ~WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) 782 | (oldSoftInputMode 783 & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST); 784 } 785 mWindowAttributesChanged = true; 786 scheduleTraversals(); 787 } 788 } 789 790 void handleAppVisibility(boolean visible) { 791 if (mAppVisible != visible) { 792 mAppVisible = visible; 793 scheduleTraversals(); 794 } 795 } 796 797 void handleGetNewSurface() { 798 mNewSurfaceNeeded = true; 799 mFullRedrawNeeded = true; 800 scheduleTraversals(); 801 } 802 803 void handleScreenStateChange(boolean on) { 804 if (on != mAttachInfo.mScreenOn) { 805 mAttachInfo.mScreenOn = on; 806 if (mView != null) { 807 mView.dispatchScreenStateChanged(on ? View.SCREEN_STATE_ON : View.SCREEN_STATE_OFF); 808 } 809 if (on) { 810 mFullRedrawNeeded = true; 811 scheduleTraversals(); 812 } 813 } 814 } 815 816 @Override 817 public void requestFitSystemWindows() { 818 checkThread(); 819 mFitSystemWindowsRequested = true; 820 scheduleTraversals(); 821 } 822 823 @Override 824 public void requestLayout() { 825 if (!mHandlingLayoutInLayoutRequest) { 826 checkThread(); 827 mLayoutRequested = true; 828 scheduleTraversals(); 829 } 830 } 831 832 @Override 833 public boolean isLayoutRequested() { 834 return mLayoutRequested; 835 } 836 837 void invalidate() { 838 mDirty.set(0, 0, mWidth, mHeight); 839 scheduleTraversals(); 840 } 841 842 void invalidateWorld(View view) { 843 view.invalidate(); 844 if (view instanceof ViewGroup) { 845 ViewGroup parent = (ViewGroup) view; 846 for (int i = 0; i < parent.getChildCount(); i++) { 847 invalidateWorld(parent.getChildAt(i)); 848 } 849 } 850 } 851 852 @Override 853 public void invalidateChild(View child, Rect dirty) { 854 invalidateChildInParent(null, dirty); 855 } 856 857 public ViewParent invalidateChildInParent(int[] location, Rect dirty) { 858 checkThread(); 859 if (DEBUG_DRAW) Log.v(TAG, "Invalidate child: " + dirty); 860 861 if (dirty == null) { 862 invalidate(); 863 return null; 864 } else if (dirty.isEmpty() && !mIsAnimating) { 865 return null; 866 } 867 868 if (mCurScrollY != 0 || mTranslator != null) { 869 mTempRect.set(dirty); 870 dirty = mTempRect; 871 if (mCurScrollY != 0) { 872 dirty.offset(0, -mCurScrollY); 873 } 874 if (mTranslator != null) { 875 mTranslator.translateRectInAppWindowToScreen(dirty); 876 } 877 if (mAttachInfo.mScalingRequired) { 878 dirty.inset(-1, -1); 879 } 880 } 881 882 final Rect localDirty = mDirty; 883 if (!localDirty.isEmpty() && !localDirty.contains(dirty)) { 884 mAttachInfo.mSetIgnoreDirtyState = true; 885 mAttachInfo.mIgnoreDirtyState = true; 886 } 887 888 // Add the new dirty rect to the current one 889 localDirty.union(dirty.left, dirty.top, dirty.right, dirty.bottom); 890 // Intersect with the bounds of the window to skip 891 // updates that lie outside of the visible region 892 final float appScale = mAttachInfo.mApplicationScale; 893 final boolean intersected = localDirty.intersect(0, 0, 894 (int) (mWidth * appScale + 0.5f), (int) (mHeight * appScale + 0.5f)); 895 if (!intersected) { 896 localDirty.setEmpty(); 897 } 898 if (!mWillDrawSoon && (intersected || mIsAnimating)) { 899 scheduleTraversals(); 900 } 901 902 return null; 903 } 904 905 void setStopped(boolean stopped) { 906 if (mStopped != stopped) { 907 mStopped = stopped; 908 if (!stopped) { 909 scheduleTraversals(); 910 } 911 } 912 } 913 914 public ViewParent getParent() { 915 return null; 916 } 917 918 public boolean getChildVisibleRect(View child, Rect r, android.graphics.Point offset) { 919 if (child != mView) { 920 throw new RuntimeException("child is not mine, honest!"); 921 } 922 // Note: don't apply scroll offset, because we want to know its 923 // visibility in the virtual canvas being given to the view hierarchy. 924 return r.intersect(0, 0, mWidth, mHeight); 925 } 926 927 public void bringChildToFront(View child) { 928 } 929 930 int getHostVisibility() { 931 return mAppVisible ? mView.getVisibility() : View.GONE; 932 } 933 934 void disposeResizeBuffer() { 935 if (mResizeBuffer != null) { 936 mResizeBuffer.destroy(); 937 mResizeBuffer = null; 938 } 939 } 940 941 /** 942 * Add LayoutTransition to the list of transitions to be started in the next traversal. 943 * This list will be cleared after the transitions on the list are start()'ed. These 944 * transitionsa re added by LayoutTransition itself when it sets up animations. The setup 945 * happens during the layout phase of traversal, which we want to complete before any of the 946 * animations are started (because those animations may side-effect properties that layout 947 * depends upon, like the bounding rectangles of the affected views). So we add the transition 948 * to the list and it is started just prior to starting the drawing phase of traversal. 949 * 950 * @param transition The LayoutTransition to be started on the next traversal. 951 * 952 * @hide 953 */ 954 public void requestTransitionStart(LayoutTransition transition) { 955 if (mPendingTransitions == null || !mPendingTransitions.contains(transition)) { 956 if (mPendingTransitions == null) { 957 mPendingTransitions = new ArrayList<LayoutTransition>(); 958 } 959 mPendingTransitions.add(transition); 960 } 961 } 962 963 void scheduleTraversals() { 964 if (!mTraversalScheduled) { 965 mTraversalScheduled = true; 966 mTraversalBarrier = mHandler.getLooper().postSyncBarrier(); 967 mChoreographer.postCallback( 968 Choreographer.CALLBACK_TRAVERSAL, mTraversalRunnable, null); 969 scheduleConsumeBatchedInput(); 970 } 971 } 972 973 void unscheduleTraversals() { 974 if (mTraversalScheduled) { 975 mTraversalScheduled = false; 976 mHandler.getLooper().removeSyncBarrier(mTraversalBarrier); 977 mChoreographer.removeCallbacks( 978 Choreographer.CALLBACK_TRAVERSAL, mTraversalRunnable, null); 979 } 980 } 981 982 void doTraversal() { 983 if (mTraversalScheduled) { 984 mTraversalScheduled = false; 985 mHandler.getLooper().removeSyncBarrier(mTraversalBarrier); 986 987 if (mProfile) { 988 Debug.startMethodTracing("ViewAncestor"); 989 } 990 991 Trace.traceBegin(Trace.TRACE_TAG_VIEW, "performTraversals"); 992 try { 993 performTraversals(); 994 } finally { 995 Trace.traceEnd(Trace.TRACE_TAG_VIEW); 996 } 997 998 if (mProfile) { 999 Debug.stopMethodTracing(); 1000 mProfile = false; 1001 } 1002 } 1003 } 1004 1005 private void applyKeepScreenOnFlag(WindowManager.LayoutParams params) { 1006 // Update window's global keep screen on flag: if a view has requested 1007 // that the screen be kept on, then it is always set; otherwise, it is 1008 // set to whatever the client last requested for the global state. 1009 if (mAttachInfo.mKeepScreenOn) { 1010 params.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON; 1011 } else { 1012 params.flags = (params.flags&~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) 1013 | (mClientWindowLayoutFlags&WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 1014 } 1015 } 1016 1017 private boolean collectViewAttributes() { 1018 final View.AttachInfo attachInfo = mAttachInfo; 1019 if (attachInfo.mRecomputeGlobalAttributes) { 1020 //Log.i(TAG, "Computing view hierarchy attributes!"); 1021 attachInfo.mRecomputeGlobalAttributes = false; 1022 boolean oldScreenOn = attachInfo.mKeepScreenOn; 1023 attachInfo.mKeepScreenOn = false; 1024 attachInfo.mSystemUiVisibility = 0; 1025 attachInfo.mHasSystemUiListeners = false; 1026 mView.dispatchCollectViewAttributes(attachInfo, 0); 1027 attachInfo.mSystemUiVisibility &= ~attachInfo.mDisabledSystemUiVisibility; 1028 WindowManager.LayoutParams params = mWindowAttributes; 1029 if (attachInfo.mKeepScreenOn != oldScreenOn 1030 || attachInfo.mSystemUiVisibility != params.subtreeSystemUiVisibility 1031 || attachInfo.mHasSystemUiListeners != params.hasSystemUiListeners) { 1032 applyKeepScreenOnFlag(params); 1033 params.subtreeSystemUiVisibility = attachInfo.mSystemUiVisibility; 1034 params.hasSystemUiListeners = attachInfo.mHasSystemUiListeners; 1035 mView.dispatchWindowSystemUiVisiblityChanged(attachInfo.mSystemUiVisibility); 1036 return true; 1037 } 1038 } 1039 return false; 1040 } 1041 1042 private boolean measureHierarchy(final View host, final WindowManager.LayoutParams lp, 1043 final Resources res, final int desiredWindowWidth, final int desiredWindowHeight) { 1044 int childWidthMeasureSpec; 1045 int childHeightMeasureSpec; 1046 boolean windowSizeMayChange = false; 1047 1048 if (DEBUG_ORIENTATION || DEBUG_LAYOUT) Log.v(TAG, 1049 "Measuring " + host + " in display " + desiredWindowWidth 1050 + "x" + desiredWindowHeight + "..."); 1051 1052 boolean goodMeasure = false; 1053 if (lp.width == ViewGroup.LayoutParams.WRAP_CONTENT) { 1054 // On large screens, we don't want to allow dialogs to just 1055 // stretch to fill the entire width of the screen to display 1056 // one line of text. First try doing the layout at a smaller 1057 // size to see if it will fit. 1058 final DisplayMetrics packageMetrics = res.getDisplayMetrics(); 1059 res.getValue(com.android.internal.R.dimen.config_prefDialogWidth, mTmpValue, true); 1060 int baseSize = 0; 1061 if (mTmpValue.type == TypedValue.TYPE_DIMENSION) { 1062 baseSize = (int)mTmpValue.getDimension(packageMetrics); 1063 } 1064 if (DEBUG_DIALOG) Log.v(TAG, "Window " + mView + ": baseSize=" + baseSize); 1065 if (baseSize != 0 && desiredWindowWidth > baseSize) { 1066 childWidthMeasureSpec = getRootMeasureSpec(baseSize, lp.width); 1067 childHeightMeasureSpec = getRootMeasureSpec(desiredWindowHeight, lp.height); 1068 performMeasure(childWidthMeasureSpec, childHeightMeasureSpec); 1069 if (DEBUG_DIALOG) Log.v(TAG, "Window " + mView + ": measured (" 1070 + host.getMeasuredWidth() + "," + host.getMeasuredHeight() + ")"); 1071 if ((host.getMeasuredWidthAndState()&View.MEASURED_STATE_TOO_SMALL) == 0) { 1072 goodMeasure = true; 1073 } else { 1074 // Didn't fit in that size... try expanding a bit. 1075 baseSize = (baseSize+desiredWindowWidth)/2; 1076 if (DEBUG_DIALOG) Log.v(TAG, "Window " + mView + ": next baseSize=" 1077 + baseSize); 1078 childWidthMeasureSpec = getRootMeasureSpec(baseSize, lp.width); 1079 performMeasure(childWidthMeasureSpec, childHeightMeasureSpec); 1080 if (DEBUG_DIALOG) Log.v(TAG, "Window " + mView + ": measured (" 1081 + host.getMeasuredWidth() + "," + host.getMeasuredHeight() + ")"); 1082 if ((host.getMeasuredWidthAndState()&View.MEASURED_STATE_TOO_SMALL) == 0) { 1083 if (DEBUG_DIALOG) Log.v(TAG, "Good!"); 1084 goodMeasure = true; 1085 } 1086 } 1087 } 1088 } 1089 1090 if (!goodMeasure) { 1091 childWidthMeasureSpec = getRootMeasureSpec(desiredWindowWidth, lp.width); 1092 childHeightMeasureSpec = getRootMeasureSpec(desiredWindowHeight, lp.height); 1093 performMeasure(childWidthMeasureSpec, childHeightMeasureSpec); 1094 if (mWidth != host.getMeasuredWidth() || mHeight != host.getMeasuredHeight()) { 1095 windowSizeMayChange = true; 1096 } 1097 } 1098 1099 if (DBG) { 1100 System.out.println("======================================"); 1101 System.out.println("performTraversals -- after measure"); 1102 host.debug(); 1103 } 1104 1105 return windowSizeMayChange; 1106 } 1107 1108 private void performTraversals() { 1109 // cache mView since it is used so much below... 1110 final View host = mView; 1111 1112 if (DBG) { 1113 System.out.println("======================================"); 1114 System.out.println("performTraversals"); 1115 host.debug(); 1116 } 1117 1118 if (host == null || !mAdded) 1119 return; 1120 1121 mIsInTraversal = true; 1122 mWillDrawSoon = true; 1123 boolean windowSizeMayChange = false; 1124 boolean newSurface = false; 1125 boolean surfaceChanged = false; 1126 WindowManager.LayoutParams lp = mWindowAttributes; 1127 1128 int desiredWindowWidth; 1129 int desiredWindowHeight; 1130 1131 final View.AttachInfo attachInfo = mAttachInfo; 1132 1133 final int viewVisibility = getHostVisibility(); 1134 boolean viewVisibilityChanged = mViewVisibility != viewVisibility 1135 || mNewSurfaceNeeded; 1136 1137 WindowManager.LayoutParams params = null; 1138 if (mWindowAttributesChanged) { 1139 mWindowAttributesChanged = false; 1140 surfaceChanged = true; 1141 params = lp; 1142 } 1143 CompatibilityInfo compatibilityInfo = mCompatibilityInfo.get(); 1144 if (compatibilityInfo.supportsScreen() == mLastInCompatMode) { 1145 params = lp; 1146 mFullRedrawNeeded = true; 1147 mLayoutRequested = true; 1148 if (mLastInCompatMode) { 1149 params.flags &= ~WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW; 1150 mLastInCompatMode = false; 1151 } else { 1152 params.flags |= WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW; 1153 mLastInCompatMode = true; 1154 } 1155 } 1156 1157 mWindowAttributesChangesFlag = 0; 1158 1159 Rect frame = mWinFrame; 1160 if (mFirst) { 1161 mFullRedrawNeeded = true; 1162 mLayoutRequested = true; 1163 1164 if (lp.type == WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL) { 1165 // NOTE -- system code, won't try to do compat mode. 1166 Point size = new Point(); 1167 mDisplay.getRealSize(size); 1168 desiredWindowWidth = size.x; 1169 desiredWindowHeight = size.y; 1170 } else { 1171 DisplayMetrics packageMetrics = 1172 mView.getContext().getResources().getDisplayMetrics(); 1173 desiredWindowWidth = packageMetrics.widthPixels; 1174 desiredWindowHeight = packageMetrics.heightPixels; 1175 } 1176 1177 // For the very first time, tell the view hierarchy that it 1178 // is attached to the window. Note that at this point the surface 1179 // object is not initialized to its backing store, but soon it 1180 // will be (assuming the window is visible). 1181 attachInfo.mSurface = mSurface; 1182 // We used to use the following condition to choose 32 bits drawing caches: 1183 // PixelFormat.hasAlpha(lp.format) || lp.format == PixelFormat.RGBX_8888 1184 // However, windows are now always 32 bits by default, so choose 32 bits 1185 attachInfo.mUse32BitDrawingCache = true; 1186 attachInfo.mHasWindowFocus = false; 1187 attachInfo.mWindowVisibility = viewVisibility; 1188 attachInfo.mRecomputeGlobalAttributes = false; 1189 viewVisibilityChanged = false; 1190 mLastConfiguration.setTo(host.getResources().getConfiguration()); 1191 mLastSystemUiVisibility = mAttachInfo.mSystemUiVisibility; 1192 // Set the layout direction if it has not been set before (inherit is the default) 1193 if (mViewLayoutDirectionInitial == View.LAYOUT_DIRECTION_INHERIT) { 1194 host.setLayoutDirection(mLastConfiguration.getLayoutDirection()); 1195 } 1196 host.dispatchAttachedToWindow(attachInfo, 0); 1197 mFitSystemWindowsInsets.set(mAttachInfo.mContentInsets); 1198 host.fitSystemWindows(mFitSystemWindowsInsets); 1199 //Log.i(TAG, "Screen on initialized: " + attachInfo.mKeepScreenOn); 1200 1201 } else { 1202 desiredWindowWidth = frame.width(); 1203 desiredWindowHeight = frame.height(); 1204 if (desiredWindowWidth != mWidth || desiredWindowHeight != mHeight) { 1205 if (DEBUG_ORIENTATION) Log.v(TAG, 1206 "View " + host + " resized to: " + frame); 1207 mFullRedrawNeeded = true; 1208 mLayoutRequested = true; 1209 windowSizeMayChange = true; 1210 } 1211 } 1212 1213 if (viewVisibilityChanged) { 1214 attachInfo.mWindowVisibility = viewVisibility; 1215 host.dispatchWindowVisibilityChanged(viewVisibility); 1216 if (viewVisibility != View.VISIBLE || mNewSurfaceNeeded) { 1217 destroyHardwareResources(); 1218 } 1219 if (viewVisibility == View.GONE) { 1220 // After making a window gone, we will count it as being 1221 // shown for the first time the next time it gets focus. 1222 mHasHadWindowFocus = false; 1223 } 1224 } 1225 1226 // Execute enqueued actions on every traversal in case a detached view enqueued an action 1227 getRunQueue().executeActions(attachInfo.mHandler); 1228 1229 boolean insetsChanged = false; 1230 1231 boolean layoutRequested = mLayoutRequested && !mStopped; 1232 if (layoutRequested) { 1233 1234 final Resources res = mView.getContext().getResources(); 1235 1236 if (mFirst) { 1237 // make sure touch mode code executes by setting cached value 1238 // to opposite of the added touch mode. 1239 mAttachInfo.mInTouchMode = !mAddedTouchMode; 1240 ensureTouchModeLocally(mAddedTouchMode); 1241 } else { 1242 if (!mPendingContentInsets.equals(mAttachInfo.mContentInsets)) { 1243 insetsChanged = true; 1244 } 1245 if (!mPendingVisibleInsets.equals(mAttachInfo.mVisibleInsets)) { 1246 mAttachInfo.mVisibleInsets.set(mPendingVisibleInsets); 1247 if (DEBUG_LAYOUT) Log.v(TAG, "Visible insets changing to: " 1248 + mAttachInfo.mVisibleInsets); 1249 } 1250 if (lp.width == ViewGroup.LayoutParams.WRAP_CONTENT 1251 || lp.height == ViewGroup.LayoutParams.WRAP_CONTENT) { 1252 windowSizeMayChange = true; 1253 1254 if (lp.type == WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL) { 1255 // NOTE -- system code, won't try to do compat mode. 1256 Point size = new Point(); 1257 mDisplay.getRealSize(size); 1258 desiredWindowWidth = size.x; 1259 desiredWindowHeight = size.y; 1260 } else { 1261 DisplayMetrics packageMetrics = res.getDisplayMetrics(); 1262 desiredWindowWidth = packageMetrics.widthPixels; 1263 desiredWindowHeight = packageMetrics.heightPixels; 1264 } 1265 } 1266 } 1267 1268 // Ask host how big it wants to be 1269 windowSizeMayChange |= measureHierarchy(host, lp, res, 1270 desiredWindowWidth, desiredWindowHeight); 1271 } 1272 1273 if (collectViewAttributes()) { 1274 params = lp; 1275 } 1276 if (attachInfo.mForceReportNewAttributes) { 1277 attachInfo.mForceReportNewAttributes = false; 1278 params = lp; 1279 } 1280 1281 if (mFirst || attachInfo.mViewVisibilityChanged) { 1282 attachInfo.mViewVisibilityChanged = false; 1283 int resizeMode = mSoftInputMode & 1284 WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST; 1285 // If we are in auto resize mode, then we need to determine 1286 // what mode to use now. 1287 if (resizeMode == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_UNSPECIFIED) { 1288 final int N = attachInfo.mScrollContainers.size(); 1289 for (int i=0; i<N; i++) { 1290 if (attachInfo.mScrollContainers.get(i).isShown()) { 1291 resizeMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE; 1292 } 1293 } 1294 if (resizeMode == 0) { 1295 resizeMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN; 1296 } 1297 if ((lp.softInputMode & 1298 WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) != resizeMode) { 1299 lp.softInputMode = (lp.softInputMode & 1300 ~WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) | 1301 resizeMode; 1302 params = lp; 1303 } 1304 } 1305 } 1306 1307 if (params != null && (host.mPrivateFlags & View.PFLAG_REQUEST_TRANSPARENT_REGIONS) != 0) { 1308 if (!PixelFormat.formatHasAlpha(params.format)) { 1309 params.format = PixelFormat.TRANSLUCENT; 1310 } 1311 } 1312 1313 if (mFitSystemWindowsRequested) { 1314 mFitSystemWindowsRequested = false; 1315 mFitSystemWindowsInsets.set(mAttachInfo.mContentInsets); 1316 host.fitSystemWindows(mFitSystemWindowsInsets); 1317 if (mLayoutRequested) { 1318 // Short-circuit catching a new layout request here, so 1319 // we don't need to go through two layout passes when things 1320 // change due to fitting system windows, which can happen a lot. 1321 windowSizeMayChange |= measureHierarchy(host, lp, 1322 mView.getContext().getResources(), 1323 desiredWindowWidth, desiredWindowHeight); 1324 } 1325 } 1326 1327 if (layoutRequested) { 1328 // Clear this now, so that if anything requests a layout in the 1329 // rest of this function we will catch it and re-run a full 1330 // layout pass. 1331 mLayoutRequested = false; 1332 } 1333 1334 boolean windowShouldResize = layoutRequested && windowSizeMayChange 1335 && ((mWidth != host.getMeasuredWidth() || mHeight != host.getMeasuredHeight()) 1336 || (lp.width == ViewGroup.LayoutParams.WRAP_CONTENT && 1337 frame.width() < desiredWindowWidth && frame.width() != mWidth) 1338 || (lp.height == ViewGroup.LayoutParams.WRAP_CONTENT && 1339 frame.height() < desiredWindowHeight && frame.height() != mHeight)); 1340 1341 final boolean computesInternalInsets = 1342 attachInfo.mTreeObserver.hasComputeInternalInsetsListeners(); 1343 1344 boolean insetsPending = false; 1345 int relayoutResult = 0; 1346 1347 if (mFirst || windowShouldResize || insetsChanged || 1348 viewVisibilityChanged || params != null) { 1349 1350 if (viewVisibility == View.VISIBLE) { 1351 // If this window is giving internal insets to the window 1352 // manager, and it is being added or changing its visibility, 1353 // then we want to first give the window manager "fake" 1354 // insets to cause it to effectively ignore the content of 1355 // the window during layout. This avoids it briefly causing 1356 // other windows to resize/move based on the raw frame of the 1357 // window, waiting until we can finish laying out this window 1358 // and get back to the window manager with the ultimately 1359 // computed insets. 1360 insetsPending = computesInternalInsets && (mFirst || viewVisibilityChanged); 1361 } 1362 1363 if (mSurfaceHolder != null) { 1364 mSurfaceHolder.mSurfaceLock.lock(); 1365 mDrawingAllowed = true; 1366 } 1367 1368 boolean hwInitialized = false; 1369 boolean contentInsetsChanged = false; 1370 boolean visibleInsetsChanged; 1371 boolean hadSurface = mSurface.isValid(); 1372 1373 try { 1374 if (DEBUG_LAYOUT) { 1375 Log.i(TAG, "host=w:" + host.getMeasuredWidth() + ", h:" + 1376 host.getMeasuredHeight() + ", params=" + params); 1377 } 1378 1379 final int surfaceGenerationId = mSurface.getGenerationId(); 1380 relayoutResult = relayoutWindow(params, viewVisibility, insetsPending); 1381 1382 if (DEBUG_LAYOUT) Log.v(TAG, "relayout: frame=" + frame.toShortString() 1383 + " content=" + mPendingContentInsets.toShortString() 1384 + " visible=" + mPendingVisibleInsets.toShortString() 1385 + " surface=" + mSurface); 1386 1387 if (mPendingConfiguration.seq != 0) { 1388 if (DEBUG_CONFIGURATION) Log.v(TAG, "Visible with new config: " 1389 + mPendingConfiguration); 1390 updateConfiguration(mPendingConfiguration, !mFirst); 1391 mPendingConfiguration.seq = 0; 1392 } 1393 1394 contentInsetsChanged = !mPendingContentInsets.equals( 1395 mAttachInfo.mContentInsets); 1396 visibleInsetsChanged = !mPendingVisibleInsets.equals( 1397 mAttachInfo.mVisibleInsets); 1398 if (contentInsetsChanged) { 1399 if (mWidth > 0 && mHeight > 0 && lp != null && 1400 ((lp.systemUiVisibility|lp.subtreeSystemUiVisibility) 1401 & View.SYSTEM_UI_LAYOUT_FLAGS) == 0 && 1402 mSurface != null && mSurface.isValid() && 1403 !mAttachInfo.mTurnOffWindowResizeAnim && 1404 mAttachInfo.mHardwareRenderer != null && 1405 mAttachInfo.mHardwareRenderer.isEnabled() && 1406 mAttachInfo.mHardwareRenderer.validate() && 1407 lp != null && !PixelFormat.formatHasAlpha(lp.format)) { 1408 1409 disposeResizeBuffer(); 1410 1411 boolean completed = false; 1412 HardwareCanvas hwRendererCanvas = mAttachInfo.mHardwareRenderer.getCanvas(); 1413 HardwareCanvas layerCanvas = null; 1414 try { 1415 if (mResizeBuffer == null) { 1416 mResizeBuffer = mAttachInfo.mHardwareRenderer.createHardwareLayer( 1417 mWidth, mHeight, false); 1418 } else if (mResizeBuffer.getWidth() != mWidth || 1419 mResizeBuffer.getHeight() != mHeight) { 1420 mResizeBuffer.resize(mWidth, mHeight); 1421 } 1422 // TODO: should handle create/resize failure 1423 layerCanvas = mResizeBuffer.start(hwRendererCanvas); 1424 layerCanvas.setViewport(mWidth, mHeight); 1425 layerCanvas.onPreDraw(null); 1426 final int restoreCount = layerCanvas.save(); 1427 1428 int yoff; 1429 final boolean scrolling = mScroller != null 1430 && mScroller.computeScrollOffset(); 1431 if (scrolling) { 1432 yoff = mScroller.getCurrY(); 1433 mScroller.abortAnimation(); 1434 } else { 1435 yoff = mScrollY; 1436 } 1437 1438 layerCanvas.translate(0, -yoff); 1439 if (mTranslator != null) { 1440 mTranslator.translateCanvas(layerCanvas); 1441 } 1442 1443 DisplayList displayList = mView.mDisplayList; 1444 if (displayList != null) { 1445 layerCanvas.drawDisplayList(displayList, null, 1446 DisplayList.FLAG_CLIP_CHILDREN); 1447 } else { 1448 mView.draw(layerCanvas); 1449 } 1450 1451 drawAccessibilityFocusedDrawableIfNeeded(layerCanvas); 1452 1453 mResizeBufferStartTime = SystemClock.uptimeMillis(); 1454 mResizeBufferDuration = mView.getResources().getInteger( 1455 com.android.internal.R.integer.config_mediumAnimTime); 1456 completed = true; 1457 1458 layerCanvas.restoreToCount(restoreCount); 1459 } catch (OutOfMemoryError e) { 1460 Log.w(TAG, "Not enough memory for content change anim buffer", e); 1461 } finally { 1462 if (layerCanvas != null) { 1463 layerCanvas.onPostDraw(); 1464 } 1465 if (mResizeBuffer != null) { 1466 mResizeBuffer.end(hwRendererCanvas); 1467 if (!completed) { 1468 mResizeBuffer.destroy(); 1469 mResizeBuffer = null; 1470 } 1471 } 1472 } 1473 } 1474 mAttachInfo.mContentInsets.set(mPendingContentInsets); 1475 if (DEBUG_LAYOUT) Log.v(TAG, "Content insets changing to: " 1476 + mAttachInfo.mContentInsets); 1477 } 1478 if (contentInsetsChanged || mLastSystemUiVisibility != 1479 mAttachInfo.mSystemUiVisibility || mFitSystemWindowsRequested) { 1480 mLastSystemUiVisibility = mAttachInfo.mSystemUiVisibility; 1481 mFitSystemWindowsRequested = false; 1482 mFitSystemWindowsInsets.set(mAttachInfo.mContentInsets); 1483 host.fitSystemWindows(mFitSystemWindowsInsets); 1484 } 1485 if (visibleInsetsChanged) { 1486 mAttachInfo.mVisibleInsets.set(mPendingVisibleInsets); 1487 if (DEBUG_LAYOUT) Log.v(TAG, "Visible insets changing to: " 1488 + mAttachInfo.mVisibleInsets); 1489 } 1490 1491 if (!hadSurface) { 1492 if (mSurface.isValid()) { 1493 // If we are creating a new surface, then we need to 1494 // completely redraw it. Also, when we get to the 1495 // point of drawing it we will hold off and schedule 1496 // a new traversal instead. This is so we can tell the 1497 // window manager about all of the windows being displayed 1498 // before actually drawing them, so it can display then 1499 // all at once. 1500 newSurface = true; 1501 mFullRedrawNeeded = true; 1502 mPreviousTransparentRegion.setEmpty(); 1503 1504 if (mAttachInfo.mHardwareRenderer != null) { 1505 try { 1506 hwInitialized = mAttachInfo.mHardwareRenderer.initialize( 1507 mHolder.getSurface()); 1508 } catch (Surface.OutOfResourcesException e) { 1509 Log.e(TAG, "OutOfResourcesException initializing HW surface", e); 1510 try { 1511 if (!mWindowSession.outOfMemory(mWindow) && 1512 Process.myUid() != Process.SYSTEM_UID) { 1513 Slog.w(TAG, "No processes killed for memory; killing self"); 1514 Process.killProcess(Process.myPid()); 1515 } 1516 } catch (RemoteException ex) { 1517 } 1518 mLayoutRequested = true; // ask wm for a new surface next time. 1519 return; 1520 } 1521 } 1522 } 1523 } else if (!mSurface.isValid()) { 1524 // If the surface has been removed, then reset the scroll 1525 // positions. 1526 if (mLastScrolledFocus != null) { 1527 mLastScrolledFocus.clear(); 1528 } 1529 mScrollY = mCurScrollY = 0; 1530 if (mScroller != null) { 1531 mScroller.abortAnimation(); 1532 } 1533 disposeResizeBuffer(); 1534 // Our surface is gone 1535 if (mAttachInfo.mHardwareRenderer != null && 1536 mAttachInfo.mHardwareRenderer.isEnabled()) { 1537 mAttachInfo.mHardwareRenderer.destroy(true); 1538 } 1539 } else if (surfaceGenerationId != mSurface.getGenerationId() && 1540 mSurfaceHolder == null && mAttachInfo.mHardwareRenderer != null) { 1541 mFullRedrawNeeded = true; 1542 try { 1543 mAttachInfo.mHardwareRenderer.updateSurface(mHolder.getSurface()); 1544 } catch (Surface.OutOfResourcesException e) { 1545 Log.e(TAG, "OutOfResourcesException updating HW surface", e); 1546 try { 1547 if (!mWindowSession.outOfMemory(mWindow)) { 1548 Slog.w(TAG, "No processes killed for memory; killing self"); 1549 Process.killProcess(Process.myPid()); 1550 } 1551 } catch (RemoteException ex) { 1552 } 1553 mLayoutRequested = true; // ask wm for a new surface next time. 1554 return; 1555 } 1556 } 1557 } catch (RemoteException e) { 1558 } 1559 1560 if (DEBUG_ORIENTATION) Log.v( 1561 TAG, "Relayout returned: frame=" + frame + ", surface=" + mSurface); 1562 1563 attachInfo.mWindowLeft = frame.left; 1564 attachInfo.mWindowTop = frame.top; 1565 1566 // !!FIXME!! This next section handles the case where we did not get the 1567 // window size we asked for. We should avoid this by getting a maximum size from 1568 // the window session beforehand. 1569 if (mWidth != frame.width() || mHeight != frame.height()) { 1570 mWidth = frame.width(); 1571 mHeight = frame.height(); 1572 } 1573 1574 if (mSurfaceHolder != null) { 1575 // The app owns the surface; tell it about what is going on. 1576 if (mSurface.isValid()) { 1577 // XXX .copyFrom() doesn't work! 1578 //mSurfaceHolder.mSurface.copyFrom(mSurface); 1579 mSurfaceHolder.mSurface = mSurface; 1580 } 1581 mSurfaceHolder.setSurfaceFrameSize(mWidth, mHeight); 1582 mSurfaceHolder.mSurfaceLock.unlock(); 1583 if (mSurface.isValid()) { 1584 if (!hadSurface) { 1585 mSurfaceHolder.ungetCallbacks(); 1586 1587 mIsCreating = true; 1588 mSurfaceHolderCallback.surfaceCreated(mSurfaceHolder); 1589 SurfaceHolder.Callback callbacks[] = mSurfaceHolder.getCallbacks(); 1590 if (callbacks != null) { 1591 for (SurfaceHolder.Callback c : callbacks) { 1592 c.surfaceCreated(mSurfaceHolder); 1593 } 1594 } 1595 surfaceChanged = true; 1596 } 1597 if (surfaceChanged) { 1598 mSurfaceHolderCallback.surfaceChanged(mSurfaceHolder, 1599 lp.format, mWidth, mHeight); 1600 SurfaceHolder.Callback callbacks[] = mSurfaceHolder.getCallbacks(); 1601 if (callbacks != null) { 1602 for (SurfaceHolder.Callback c : callbacks) { 1603 c.surfaceChanged(mSurfaceHolder, lp.format, 1604 mWidth, mHeight); 1605 } 1606 } 1607 } 1608 mIsCreating = false; 1609 } else if (hadSurface) { 1610 mSurfaceHolder.ungetCallbacks(); 1611 SurfaceHolder.Callback callbacks[] = mSurfaceHolder.getCallbacks(); 1612 mSurfaceHolderCallback.surfaceDestroyed(mSurfaceHolder); 1613 if (callbacks != null) { 1614 for (SurfaceHolder.Callback c : callbacks) { 1615 c.surfaceDestroyed(mSurfaceHolder); 1616 } 1617 } 1618 mSurfaceHolder.mSurfaceLock.lock(); 1619 try { 1620 mSurfaceHolder.mSurface = new Surface(); 1621 } finally { 1622 mSurfaceHolder.mSurfaceLock.unlock(); 1623 } 1624 } 1625 } 1626 1627 if (mAttachInfo.mHardwareRenderer != null && 1628 mAttachInfo.mHardwareRenderer.isEnabled()) { 1629 if (hwInitialized || windowShouldResize || 1630 mWidth != mAttachInfo.mHardwareRenderer.getWidth() || 1631 mHeight != mAttachInfo.mHardwareRenderer.getHeight()) { 1632 mAttachInfo.mHardwareRenderer.setup(mWidth, mHeight); 1633 if (!hwInitialized) { 1634 mAttachInfo.mHardwareRenderer.invalidate(mHolder.getSurface()); 1635 mFullRedrawNeeded = true; 1636 } 1637 } 1638 } 1639 1640 if (!mStopped) { 1641 boolean focusChangedDueToTouchMode = ensureTouchModeLocally( 1642 (relayoutResult&WindowManagerGlobal.RELAYOUT_RES_IN_TOUCH_MODE) != 0); 1643 if (focusChangedDueToTouchMode || mWidth != host.getMeasuredWidth() 1644 || mHeight != host.getMeasuredHeight() || contentInsetsChanged) { 1645 int childWidthMeasureSpec = getRootMeasureSpec(mWidth, lp.width); 1646 int childHeightMeasureSpec = getRootMeasureSpec(mHeight, lp.height); 1647 1648 if (DEBUG_LAYOUT) Log.v(TAG, "Ooops, something changed! mWidth=" 1649 + mWidth + " measuredWidth=" + host.getMeasuredWidth() 1650 + " mHeight=" + mHeight 1651 + " measuredHeight=" + host.getMeasuredHeight() 1652 + " coveredInsetsChanged=" + contentInsetsChanged); 1653 1654 // Ask host how big it wants to be 1655 performMeasure(childWidthMeasureSpec, childHeightMeasureSpec); 1656 1657 // Implementation of weights from WindowManager.LayoutParams 1658 // We just grow the dimensions as needed and re-measure if 1659 // needs be 1660 int width = host.getMeasuredWidth(); 1661 int height = host.getMeasuredHeight(); 1662 boolean measureAgain = false; 1663 1664 if (lp.horizontalWeight > 0.0f) { 1665 width += (int) ((mWidth - width) * lp.horizontalWeight); 1666 childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(width, 1667 MeasureSpec.EXACTLY); 1668 measureAgain = true; 1669 } 1670 if (lp.verticalWeight > 0.0f) { 1671 height += (int) ((mHeight - height) * lp.verticalWeight); 1672 childHeightMeasureSpec = MeasureSpec.makeMeasureSpec(height, 1673 MeasureSpec.EXACTLY); 1674 measureAgain = true; 1675 } 1676 1677 if (measureAgain) { 1678 if (DEBUG_LAYOUT) Log.v(TAG, 1679 "And hey let's measure once more: width=" + width 1680 + " height=" + height); 1681 performMeasure(childWidthMeasureSpec, childHeightMeasureSpec); 1682 } 1683 1684 layoutRequested = true; 1685 } 1686 } 1687 } else { 1688 // Not the first pass and no window/insets/visibility change but the window 1689 // may have moved and we need check that and if so to update the left and right 1690 // in the attach info. We translate only the window frame since on window move 1691 // the window manager tells us only for the new frame but the insets are the 1692 // same and we do not want to translate them more than once. 1693 1694 // TODO: Well, we are checking whether the frame has changed similarly 1695 // to how this is done for the insets. This is however incorrect since 1696 // the insets and the frame are translated. For example, the old frame 1697 // was (1, 1 - 1, 1) and was translated to say (2, 2 - 2, 2), now the new 1698 // reported frame is (2, 2 - 2, 2) which implies no change but this is not 1699 // true since we are comparing a not translated value to a translated one. 1700 // This scenario is rare but we may want to fix that. 1701 1702 final boolean windowMoved = (attachInfo.mWindowLeft != frame.left 1703 || attachInfo.mWindowTop != frame.top); 1704 if (windowMoved) { 1705 if (mTranslator != null) { 1706 mTranslator.translateRectInScreenToAppWinFrame(frame); 1707 } 1708 attachInfo.mWindowLeft = frame.left; 1709 attachInfo.mWindowTop = frame.top; 1710 } 1711 } 1712 1713 final boolean didLayout = layoutRequested && !mStopped; 1714 boolean triggerGlobalLayoutListener = didLayout 1715 || attachInfo.mRecomputeGlobalAttributes; 1716 if (didLayout) { 1717 performLayout(lp, desiredWindowWidth, desiredWindowHeight); 1718 1719 // By this point all views have been sized and positionned 1720 // We can compute the transparent area 1721 1722 if ((host.mPrivateFlags & View.PFLAG_REQUEST_TRANSPARENT_REGIONS) != 0) { 1723 // start out transparent 1724 // TODO: AVOID THAT CALL BY CACHING THE RESULT? 1725 host.getLocationInWindow(mTmpLocation); 1726 mTransparentRegion.set(mTmpLocation[0], mTmpLocation[1], 1727 mTmpLocation[0] + host.mRight - host.mLeft, 1728 mTmpLocation[1] + host.mBottom - host.mTop); 1729 1730 host.gatherTransparentRegion(mTransparentRegion); 1731 if (mTranslator != null) { 1732 mTranslator.translateRegionInWindowToScreen(mTransparentRegion); 1733 } 1734 1735 if (!mTransparentRegion.equals(mPreviousTransparentRegion)) { 1736 mPreviousTransparentRegion.set(mTransparentRegion); 1737 // reconfigure window manager 1738 try { 1739 mWindowSession.setTransparentRegion(mWindow, mTransparentRegion); 1740 } catch (RemoteException e) { 1741 } 1742 } 1743 } 1744 1745 if (DBG) { 1746 System.out.println("======================================"); 1747 System.out.println("performTraversals -- after setFrame"); 1748 host.debug(); 1749 } 1750 } 1751 1752 if (triggerGlobalLayoutListener) { 1753 attachInfo.mRecomputeGlobalAttributes = false; 1754 attachInfo.mTreeObserver.dispatchOnGlobalLayout(); 1755 1756 if (AccessibilityManager.getInstance(host.mContext).isEnabled()) { 1757 postSendWindowContentChangedCallback(mView); 1758 } 1759 } 1760 1761 if (computesInternalInsets) { 1762 // Clear the original insets. 1763 final ViewTreeObserver.InternalInsetsInfo insets = attachInfo.mGivenInternalInsets; 1764 insets.reset(); 1765 1766 // Compute new insets in place. 1767 attachInfo.mTreeObserver.dispatchOnComputeInternalInsets(insets); 1768 1769 // Tell the window manager. 1770 if (insetsPending || !mLastGivenInsets.equals(insets)) { 1771 mLastGivenInsets.set(insets); 1772 1773 // Translate insets to screen coordinates if needed. 1774 final Rect contentInsets; 1775 final Rect visibleInsets; 1776 final Region touchableRegion; 1777 if (mTranslator != null) { 1778 contentInsets = mTranslator.getTranslatedContentInsets(insets.contentInsets); 1779 visibleInsets = mTranslator.getTranslatedVisibleInsets(insets.visibleInsets); 1780 touchableRegion = mTranslator.getTranslatedTouchableArea(insets.touchableRegion); 1781 } else { 1782 contentInsets = insets.contentInsets; 1783 visibleInsets = insets.visibleInsets; 1784 touchableRegion = insets.touchableRegion; 1785 } 1786 1787 try { 1788 mWindowSession.setInsets(mWindow, insets.mTouchableInsets, 1789 contentInsets, visibleInsets, touchableRegion); 1790 } catch (RemoteException e) { 1791 } 1792 } 1793 } 1794 1795 boolean skipDraw = false; 1796 1797 if (mFirst) { 1798 // handle first focus request 1799 if (DEBUG_INPUT_RESIZE) Log.v(TAG, "First: mView.hasFocus()=" 1800 + mView.hasFocus()); 1801 if (mView != null) { 1802 if (!mView.hasFocus()) { 1803 mView.requestFocus(View.FOCUS_FORWARD); 1804 if (DEBUG_INPUT_RESIZE) Log.v(TAG, "First: requested focused view=" 1805 + mView.findFocus()); 1806 } else { 1807 if (DEBUG_INPUT_RESIZE) Log.v(TAG, "First: existing focused view=" 1808 + mView.findFocus()); 1809 } 1810 } 1811 if ((relayoutResult & WindowManagerGlobal.RELAYOUT_RES_ANIMATING) != 0) { 1812 // The first time we relayout the window, if the system is 1813 // doing window animations, we want to hold of on any future 1814 // draws until the animation is done. 1815 mWindowsAnimating = true; 1816 } 1817 } else if (mWindowsAnimating) { 1818 skipDraw = true; 1819 } 1820 1821 mFirst = false; 1822 mWillDrawSoon = false; 1823 mNewSurfaceNeeded = false; 1824 mViewVisibility = viewVisibility; 1825 1826 if (mAttachInfo.mHasWindowFocus) { 1827 final boolean imTarget = WindowManager.LayoutParams 1828 .mayUseInputMethod(mWindowAttributes.flags); 1829 if (imTarget != mLastWasImTarget) { 1830 mLastWasImTarget = imTarget; 1831 InputMethodManager imm = InputMethodManager.peekInstance(); 1832 if (imm != null && imTarget) { 1833 imm.startGettingWindowFocus(mView); 1834 imm.onWindowFocus(mView, mView.findFocus(), 1835 mWindowAttributes.softInputMode, 1836 !mHasHadWindowFocus, mWindowAttributes.flags); 1837 } 1838 } 1839 } 1840 1841 // Remember if we must report the next draw. 1842 if ((relayoutResult & WindowManagerGlobal.RELAYOUT_RES_FIRST_TIME) != 0) { 1843 mReportNextDraw = true; 1844 } 1845 1846 boolean cancelDraw = attachInfo.mTreeObserver.dispatchOnPreDraw() || 1847 viewVisibility != View.VISIBLE; 1848 1849 if (!cancelDraw && !newSurface) { 1850 if (!skipDraw || mReportNextDraw) { 1851 if (mPendingTransitions != null && mPendingTransitions.size() > 0) { 1852 for (int i = 0; i < mPendingTransitions.size(); ++i) { 1853 mPendingTransitions.get(i).startChangingAnimations(); 1854 } 1855 mPendingTransitions.clear(); 1856 } 1857 1858 performDraw(); 1859 } 1860 } else { 1861 if (viewVisibility == View.VISIBLE) { 1862 // Try again 1863 scheduleTraversals(); 1864 } else if (mPendingTransitions != null && mPendingTransitions.size() > 0) { 1865 for (int i = 0; i < mPendingTransitions.size(); ++i) { 1866 mPendingTransitions.get(i).endChangingAnimations(); 1867 } 1868 mPendingTransitions.clear(); 1869 } 1870 } 1871 1872 mIsInTraversal = false; 1873 } 1874 1875 private void performMeasure(int childWidthMeasureSpec, int childHeightMeasureSpec) { 1876 Trace.traceBegin(Trace.TRACE_TAG_VIEW, "measure"); 1877 try { 1878 mView.measure(childWidthMeasureSpec, childHeightMeasureSpec); 1879 } finally { 1880 Trace.traceEnd(Trace.TRACE_TAG_VIEW); 1881 } 1882 } 1883 1884 /** 1885 * Called by {@link android.view.View#isInLayout()} to determine whether the view hierarchy 1886 * is currently undergoing a layout pass. 1887 * 1888 * @return whether the view hierarchy is currently undergoing a layout pass 1889 */ 1890 boolean isInLayout() { 1891 return mInLayout; 1892 } 1893 1894 /** 1895 * Called by {@link android.view.View#requestLayout()} if the view hierarchy is currently 1896 * undergoing a layout pass. requestLayout() should not generally be called during layout, 1897 * unless the container hierarchy knows what it is doing (i.e., it is fine as long as 1898 * all children in that container hierarchy are measured and laid out at the end of the layout 1899 * pass for that container). If requestLayout() is called anyway, we handle it correctly 1900 * by registering all requesters during a frame as it proceeds. At the end of the frame, 1901 * we check all of those views to see if any still have pending layout requests, which 1902 * indicates that they were not correctly handled by their container hierarchy. If that is 1903 * the case, we clear all such flags in the tree, to remove the buggy flag state that leads 1904 * to blank containers, and force a second request/measure/layout pass in this frame. If 1905 * more requestLayout() calls are received during that second layout pass, we post those 1906 * requests to the next frame to avoid possible infinite loops. 1907 * 1908 * <p>The return value from this method indicates whether the request should proceed 1909 * (if it is a request during the first layout pass) or should be skipped and posted to the 1910 * next frame (if it is a request during the second layout pass).</p> 1911 * 1912 * @param view the view that requested the layout. 1913 * 1914 * @return true if request should proceed, false otherwise. 1915 */ 1916 boolean requestLayoutDuringLayout(final View view) { 1917 if (view.mParent == null || view.mAttachInfo == null) { 1918 // Would not normally trigger another layout, so just let it pass through as usual 1919 return true; 1920 } 1921 if (!mHandlingLayoutInLayoutRequest) { 1922 if (!mLayoutRequesters.contains(view)) { 1923 mLayoutRequesters.add(view); 1924 } 1925 return true; 1926 } else { 1927 Log.w("View", "requestLayout() called by " + view + " during second layout pass: " + 1928 "posting to next frame"); 1929 view.post(new Runnable() { 1930 @Override 1931 public void run() { 1932 view.requestLayout(); 1933 } 1934 }); 1935 return false; 1936 } 1937 } 1938 1939 private void performLayout(WindowManager.LayoutParams lp, int desiredWindowWidth, 1940 int desiredWindowHeight) { 1941 mLayoutRequested = false; 1942 mScrollMayChange = true; 1943 mInLayout = true; 1944 1945 final View host = mView; 1946 if (DEBUG_ORIENTATION || DEBUG_LAYOUT) { 1947 Log.v(TAG, "Laying out " + host + " to (" + 1948 host.getMeasuredWidth() + ", " + host.getMeasuredHeight() + ")"); 1949 } 1950 1951 Trace.traceBegin(Trace.TRACE_TAG_VIEW, "layout"); 1952 try { 1953 host.layout(0, 0, host.getMeasuredWidth(), host.getMeasuredHeight()); 1954 1955 mInLayout = false; 1956 int numViewsRequestingLayout = mLayoutRequesters.size(); 1957 if (numViewsRequestingLayout > 0) { 1958 // requestLayout() was called during layout. 1959 // If no layout-request flags are set on the requesting views, there is no problem. 1960 // If some requests are still pending, then we need to clear those flags and do 1961 // a full request/measure/layout pass to handle this situation. 1962 1963 // Check state of layout flags for all requesters 1964 ArrayList<View> mValidLayoutRequesters = null; 1965 for (int i = 0; i < numViewsRequestingLayout; ++i) { 1966 View view = mLayoutRequesters.get(i); 1967 if ((view.mPrivateFlags & View.PFLAG_FORCE_LAYOUT) == View.PFLAG_FORCE_LAYOUT) { 1968 while (view != null && view.mAttachInfo != null && view.mParent != null && 1969 (view.mPrivateFlags & View.PFLAG_FORCE_LAYOUT) != 0) { 1970 if ((view.mViewFlags & View.VISIBILITY_MASK) != View.GONE) { 1971 // Only trigger new requests for non-GONE views 1972 Log.w(TAG, "requestLayout() improperly called during " + 1973 "layout: running second layout pass for " + view); 1974 if (mValidLayoutRequesters == null) { 1975 mValidLayoutRequesters = new ArrayList<View>(); 1976 } 1977 mValidLayoutRequesters.add(view); 1978 break; 1979 } 1980 if (view.mParent instanceof View) { 1981 view = (View) view.mParent; 1982 } else { 1983 view = null; 1984 } 1985 } 1986 } 1987 } 1988 if (mValidLayoutRequesters != null) { 1989 // Clear flags throughout hierarchy, walking up from each flagged requester 1990 for (int i = 0; i < numViewsRequestingLayout; ++i) { 1991 View view = mLayoutRequesters.get(i); 1992 while (view != null && 1993 (view.mPrivateFlags & View.PFLAG_FORCE_LAYOUT) != 0) { 1994 view.mPrivateFlags &= ~View.PFLAG_FORCE_LAYOUT; 1995 if (view.mParent instanceof View) { 1996 view = (View) view.mParent; 1997 } else { 1998 view = null; 1999 } 2000 } 2001 } 2002 // Process fresh layout requests, then measure and layout 2003 mHandlingLayoutInLayoutRequest = true; 2004 int numValidRequests = mValidLayoutRequesters.size(); 2005 for (int i = 0; i < numValidRequests; ++i) { 2006 mValidLayoutRequesters.get(i).requestLayout(); 2007 } 2008 measureHierarchy(host, lp, mView.getContext().getResources(), 2009 desiredWindowWidth, desiredWindowHeight); 2010 mInLayout = true; 2011 host.layout(0, 0, host.getMeasuredWidth(), host.getMeasuredHeight()); 2012 mHandlingLayoutInLayoutRequest = false; 2013 } 2014 mLayoutRequesters.clear(); 2015 } 2016 } finally { 2017 Trace.traceEnd(Trace.TRACE_TAG_VIEW); 2018 } 2019 mInLayout = false; 2020 } 2021 2022 public void requestTransparentRegion(View child) { 2023 // the test below should not fail unless someone is messing with us 2024 checkThread(); 2025 if (mView == child) { 2026 mView.mPrivateFlags |= View.PFLAG_REQUEST_TRANSPARENT_REGIONS; 2027 // Need to make sure we re-evaluate the window attributes next 2028 // time around, to ensure the window has the correct format. 2029 mWindowAttributesChanged = true; 2030 mWindowAttributesChangesFlag = 0; 2031 requestLayout(); 2032 } 2033 } 2034 2035 /** 2036 * Figures out the measure spec for the root view in a window based on it's 2037 * layout params. 2038 * 2039 * @param windowSize 2040 * The available width or height of the window 2041 * 2042 * @param rootDimension 2043 * The layout params for one dimension (width or height) of the 2044 * window. 2045 * 2046 * @return The measure spec to use to measure the root view. 2047 */ 2048 private static int getRootMeasureSpec(int windowSize, int rootDimension) { 2049 int measureSpec; 2050 switch (rootDimension) { 2051 2052 case ViewGroup.LayoutParams.MATCH_PARENT: 2053 // Window can't resize. Force root view to be windowSize. 2054 measureSpec = MeasureSpec.makeMeasureSpec(windowSize, MeasureSpec.EXACTLY); 2055 break; 2056 case ViewGroup.LayoutParams.WRAP_CONTENT: 2057 // Window can resize. Set max size for root view. 2058 measureSpec = MeasureSpec.makeMeasureSpec(windowSize, MeasureSpec.AT_MOST); 2059 break; 2060 default: 2061 // Window wants to be an exact size. Force root view to be that size. 2062 measureSpec = MeasureSpec.makeMeasureSpec(rootDimension, MeasureSpec.EXACTLY); 2063 break; 2064 } 2065 return measureSpec; 2066 } 2067 2068 int mHardwareYOffset; 2069 int mResizeAlpha; 2070 final Paint mResizePaint = new Paint(); 2071 2072 public void onHardwarePreDraw(HardwareCanvas canvas) { 2073 canvas.translate(0, -mHardwareYOffset); 2074 } 2075 2076 public void onHardwarePostDraw(HardwareCanvas canvas) { 2077 if (mResizeBuffer != null) { 2078 mResizePaint.setAlpha(mResizeAlpha); 2079 canvas.drawHardwareLayer(mResizeBuffer, 0.0f, mHardwareYOffset, mResizePaint); 2080 } 2081 drawAccessibilityFocusedDrawableIfNeeded(canvas); 2082 } 2083 2084 /** 2085 * @hide 2086 */ 2087 void outputDisplayList(View view) { 2088 if (mAttachInfo != null && mAttachInfo.mHardwareCanvas != null) { 2089 DisplayList displayList = view.getDisplayList(); 2090 if (displayList != null) { 2091 mAttachInfo.mHardwareCanvas.outputDisplayList(displayList); 2092 } 2093 } 2094 } 2095 2096 /** 2097 * @see #PROPERTY_PROFILE_RENDERING 2098 */ 2099 private void profileRendering(boolean enabled) { 2100 if (mProfileRendering) { 2101 mRenderProfilingEnabled = enabled; 2102 if (mRenderProfiler == null) { 2103 mRenderProfiler = new Choreographer.FrameCallback() { 2104 @Override 2105 public void doFrame(long frameTimeNanos) { 2106 mDirty.set(0, 0, mWidth, mHeight); 2107 scheduleTraversals(); 2108 if (mRenderProfilingEnabled) { 2109 mChoreographer.postFrameCallback(mRenderProfiler); 2110 } 2111 } 2112 }; 2113 mChoreographer.postFrameCallback(mRenderProfiler); 2114 } else { 2115 mChoreographer.removeFrameCallback(mRenderProfiler); 2116 mRenderProfiler = null; 2117 } 2118 } 2119 } 2120 2121 /** 2122 * Called from draw() when DEBUG_FPS is enabled 2123 */ 2124 private void trackFPS() { 2125 // Tracks frames per second drawn. First value in a series of draws may be bogus 2126 // because it down not account for the intervening idle time 2127 long nowTime = System.currentTimeMillis(); 2128 if (mFpsStartTime < 0) { 2129 mFpsStartTime = mFpsPrevTime = nowTime; 2130 mFpsNumFrames = 0; 2131 } else { 2132 ++mFpsNumFrames; 2133 String thisHash = Integer.toHexString(System.identityHashCode(this)); 2134 long frameTime = nowTime - mFpsPrevTime; 2135 long totalTime = nowTime - mFpsStartTime; 2136 Log.v(TAG, "0x" + thisHash + "\tFrame time:\t" + frameTime); 2137 mFpsPrevTime = nowTime; 2138 if (totalTime > 1000) { 2139 float fps = (float) mFpsNumFrames * 1000 / totalTime; 2140 Log.v(TAG, "0x" + thisHash + "\tFPS:\t" + fps); 2141 mFpsStartTime = nowTime; 2142 mFpsNumFrames = 0; 2143 } 2144 } 2145 } 2146 2147 private void performDraw() { 2148 if (!mAttachInfo.mScreenOn && !mReportNextDraw) { 2149 return; 2150 } 2151 2152 final boolean fullRedrawNeeded = mFullRedrawNeeded; 2153 mFullRedrawNeeded = false; 2154 2155 mIsDrawing = true; 2156 Trace.traceBegin(Trace.TRACE_TAG_VIEW, "draw"); 2157 try { 2158 draw(fullRedrawNeeded); 2159 } finally { 2160 mIsDrawing = false; 2161 Trace.traceEnd(Trace.TRACE_TAG_VIEW); 2162 } 2163 2164 if (mReportNextDraw) { 2165 mReportNextDraw = false; 2166 2167 if (LOCAL_LOGV) { 2168 Log.v(TAG, "FINISHED DRAWING: " + mWindowAttributes.getTitle()); 2169 } 2170 if (mSurfaceHolder != null && mSurface.isValid()) { 2171 mSurfaceHolderCallback.surfaceRedrawNeeded(mSurfaceHolder); 2172 SurfaceHolder.Callback callbacks[] = mSurfaceHolder.getCallbacks(); 2173 if (callbacks != null) { 2174 for (SurfaceHolder.Callback c : callbacks) { 2175 if (c instanceof SurfaceHolder.Callback2) { 2176 ((SurfaceHolder.Callback2)c).surfaceRedrawNeeded( 2177 mSurfaceHolder); 2178 } 2179 } 2180 } 2181 } 2182 try { 2183 mWindowSession.finishDrawing(mWindow); 2184 } catch (RemoteException e) { 2185 } 2186 } 2187 } 2188 2189 private void draw(boolean fullRedrawNeeded) { 2190 Surface surface = mSurface; 2191 if (!surface.isValid()) { 2192 return; 2193 } 2194 2195 if (DEBUG_FPS) { 2196 trackFPS(); 2197 } 2198 2199 if (!sFirstDrawComplete) { 2200 synchronized (sFirstDrawHandlers) { 2201 sFirstDrawComplete = true; 2202 final int count = sFirstDrawHandlers.size(); 2203 for (int i = 0; i< count; i++) { 2204 mHandler.post(sFirstDrawHandlers.get(i)); 2205 } 2206 } 2207 } 2208 2209 scrollToRectOrFocus(null, false); 2210 2211 final AttachInfo attachInfo = mAttachInfo; 2212 if (attachInfo.mViewScrollChanged) { 2213 attachInfo.mViewScrollChanged = false; 2214 attachInfo.mTreeObserver.dispatchOnScrollChanged(); 2215 } 2216 2217 int yoff; 2218 boolean animating = mScroller != null && mScroller.computeScrollOffset(); 2219 if (animating) { 2220 yoff = mScroller.getCurrY(); 2221 } else { 2222 yoff = mScrollY; 2223 } 2224 if (mCurScrollY != yoff) { 2225 mCurScrollY = yoff; 2226 fullRedrawNeeded = true; 2227 } 2228 2229 final float appScale = attachInfo.mApplicationScale; 2230 final boolean scalingRequired = attachInfo.mScalingRequired; 2231 2232 int resizeAlpha = 0; 2233 if (mResizeBuffer != null) { 2234 long deltaTime = SystemClock.uptimeMillis() - mResizeBufferStartTime; 2235 if (deltaTime < mResizeBufferDuration) { 2236 float amt = deltaTime/(float) mResizeBufferDuration; 2237 amt = mResizeInterpolator.getInterpolation(amt); 2238 animating = true; 2239 resizeAlpha = 255 - (int)(amt*255); 2240 } else { 2241 disposeResizeBuffer(); 2242 } 2243 } 2244 2245 final Rect dirty = mDirty; 2246 if (mSurfaceHolder != null) { 2247 // The app owns the surface, we won't draw. 2248 dirty.setEmpty(); 2249 if (animating) { 2250 if (mScroller != null) { 2251 mScroller.abortAnimation(); 2252 } 2253 disposeResizeBuffer(); 2254 } 2255 return; 2256 } 2257 2258 if (fullRedrawNeeded) { 2259 attachInfo.mIgnoreDirtyState = true; 2260 dirty.set(0, 0, (int) (mWidth * appScale + 0.5f), (int) (mHeight * appScale + 0.5f)); 2261 } 2262 2263 if (DEBUG_ORIENTATION || DEBUG_DRAW) { 2264 Log.v(TAG, "Draw " + mView + "/" 2265 + mWindowAttributes.getTitle() 2266 + ": dirty={" + dirty.left + "," + dirty.top 2267 + "," + dirty.right + "," + dirty.bottom + "} surface=" 2268 + surface + " surface.isValid()=" + surface.isValid() + ", appScale:" + 2269 appScale + ", width=" + mWidth + ", height=" + mHeight); 2270 } 2271 2272 invalidateDisplayLists(); 2273 2274 attachInfo.mTreeObserver.dispatchOnDraw(); 2275 2276 if (!dirty.isEmpty() || mIsAnimating) { 2277 if (attachInfo.mHardwareRenderer != null && attachInfo.mHardwareRenderer.isEnabled()) { 2278 // Draw with hardware renderer. 2279 mIsAnimating = false; 2280 mHardwareYOffset = yoff; 2281 mResizeAlpha = resizeAlpha; 2282 2283 mCurrentDirty.set(dirty); 2284 mCurrentDirty.union(mPreviousDirty); 2285 mPreviousDirty.set(dirty); 2286 dirty.setEmpty(); 2287 2288 if (attachInfo.mHardwareRenderer.draw(mView, attachInfo, this, 2289 animating ? null : mCurrentDirty)) { 2290 mPreviousDirty.set(0, 0, mWidth, mHeight); 2291 } 2292 } else if (!drawSoftware(surface, attachInfo, yoff, scalingRequired, dirty)) { 2293 return; 2294 } 2295 } 2296 2297 if (animating) { 2298 mFullRedrawNeeded = true; 2299 scheduleTraversals(); 2300 } 2301 } 2302 2303 /** 2304 * @return true if drawing was succesfull, false if an error occurred 2305 */ 2306 private boolean drawSoftware(Surface surface, AttachInfo attachInfo, int yoff, 2307 boolean scalingRequired, Rect dirty) { 2308 2309 // If we get here with a disabled & requested hardware renderer, something went 2310 // wrong (an invalidate posted right before we destroyed the hardware surface 2311 // for instance) so we should just bail out. Locking the surface with software 2312 // rendering at this point would lock it forever and prevent hardware renderer 2313 // from doing its job when it comes back. 2314 if (attachInfo.mHardwareRenderer != null && !attachInfo.mHardwareRenderer.isEnabled() && 2315 attachInfo.mHardwareRenderer.isRequested()) { 2316 mFullRedrawNeeded = true; 2317 scheduleTraversals(); 2318 return false; 2319 } 2320 2321 // Draw with software renderer. 2322 Canvas canvas; 2323 try { 2324 int left = dirty.left; 2325 int top = dirty.top; 2326 int right = dirty.right; 2327 int bottom = dirty.bottom; 2328 2329 canvas = mSurface.lockCanvas(dirty); 2330 2331 if (left != dirty.left || top != dirty.top || right != dirty.right || 2332 bottom != dirty.bottom) { 2333 attachInfo.mIgnoreDirtyState = true; 2334 } 2335 2336 // TODO: Do this in native 2337 canvas.setDensity(mDensity); 2338 } catch (Surface.OutOfResourcesException e) { 2339 Log.e(TAG, "OutOfResourcesException locking surface", e); 2340 try { 2341 if (!mWindowSession.outOfMemory(mWindow)) { 2342 Slog.w(TAG, "No processes killed for memory; killing self"); 2343 Process.killProcess(Process.myPid()); 2344 } 2345 } catch (RemoteException ex) { 2346 } 2347 mLayoutRequested = true; // ask wm for a new surface next time. 2348 return false; 2349 } catch (IllegalArgumentException e) { 2350 Log.e(TAG, "Could not lock surface", e); 2351 // Don't assume this is due to out of memory, it could be 2352 // something else, and if it is something else then we could 2353 // kill stuff (or ourself) for no reason. 2354 mLayoutRequested = true; // ask wm for a new surface next time. 2355 return false; 2356 } 2357 2358 try { 2359 if (DEBUG_ORIENTATION || DEBUG_DRAW) { 2360 Log.v(TAG, "Surface " + surface + " drawing to bitmap w=" 2361 + canvas.getWidth() + ", h=" + canvas.getHeight()); 2362 //canvas.drawARGB(255, 255, 0, 0); 2363 } 2364 2365 // If this bitmap's format includes an alpha channel, we 2366 // need to clear it before drawing so that the child will 2367 // properly re-composite its drawing on a transparent 2368 // background. This automatically respects the clip/dirty region 2369 // or 2370 // If we are applying an offset, we need to clear the area 2371 // where the offset doesn't appear to avoid having garbage 2372 // left in the blank areas. 2373 if (!canvas.isOpaque() || yoff != 0) { 2374 canvas.drawColor(0, PorterDuff.Mode.CLEAR); 2375 } 2376 2377 dirty.setEmpty(); 2378 mIsAnimating = false; 2379 attachInfo.mDrawingTime = SystemClock.uptimeMillis(); 2380 mView.mPrivateFlags |= View.PFLAG_DRAWN; 2381 2382 if (DEBUG_DRAW) { 2383 Context cxt = mView.getContext(); 2384 Log.i(TAG, "Drawing: package:" + cxt.getPackageName() + 2385 ", metrics=" + cxt.getResources().getDisplayMetrics() + 2386 ", compatibilityInfo=" + cxt.getResources().getCompatibilityInfo()); 2387 } 2388 try { 2389 canvas.translate(0, -yoff); 2390 if (mTranslator != null) { 2391 mTranslator.translateCanvas(canvas); 2392 } 2393 canvas.setScreenDensity(scalingRequired ? mNoncompatDensity : 0); 2394 attachInfo.mSetIgnoreDirtyState = false; 2395 2396 mView.draw(canvas); 2397 2398 drawAccessibilityFocusedDrawableIfNeeded(canvas); 2399 } finally { 2400 if (!attachInfo.mSetIgnoreDirtyState) { 2401 // Only clear the flag if it was not set during the mView.draw() call 2402 attachInfo.mIgnoreDirtyState = false; 2403 } 2404 } 2405 } finally { 2406 try { 2407 surface.unlockCanvasAndPost(canvas); 2408 } catch (IllegalArgumentException e) { 2409 Log.e(TAG, "Could not unlock surface", e); 2410 mLayoutRequested = true; // ask wm for a new surface next time. 2411 //noinspection ReturnInsideFinallyBlock 2412 return false; 2413 } 2414 2415 if (LOCAL_LOGV) { 2416 Log.v(TAG, "Surface " + surface + " unlockCanvasAndPost"); 2417 } 2418 } 2419 return true; 2420 } 2421 2422 /** 2423 * We want to draw a highlight around the current accessibility focused. 2424 * Since adding a style for all possible view is not a viable option we 2425 * have this specialized drawing method. 2426 * 2427 * Note: We are doing this here to be able to draw the highlight for 2428 * virtual views in addition to real ones. 2429 * 2430 * @param canvas The canvas on which to draw. 2431 */ 2432 private void drawAccessibilityFocusedDrawableIfNeeded(Canvas canvas) { 2433 AccessibilityManager manager = AccessibilityManager.getInstance(mView.mContext); 2434 if (!manager.isEnabled() || !manager.isTouchExplorationEnabled()) { 2435 return; 2436 } 2437 if (mAccessibilityFocusedHost == null || mAccessibilityFocusedHost.mAttachInfo == null) { 2438 return; 2439 } 2440 Drawable drawable = getAccessibilityFocusedDrawable(); 2441 if (drawable == null) { 2442 return; 2443 } 2444 AccessibilityNodeProvider provider = 2445 mAccessibilityFocusedHost.getAccessibilityNodeProvider(); 2446 Rect bounds = mView.mAttachInfo.mTmpInvalRect; 2447 if (provider == null) { 2448 mAccessibilityFocusedHost.getBoundsOnScreen(bounds); 2449 } else { 2450 if (mAccessibilityFocusedVirtualView == null) { 2451 return; 2452 } 2453 mAccessibilityFocusedVirtualView.getBoundsInScreen(bounds); 2454 } 2455 bounds.offset(-mAttachInfo.mWindowLeft, -mAttachInfo.mWindowTop); 2456 bounds.intersect(0, 0, mAttachInfo.mViewRootImpl.mWidth, mAttachInfo.mViewRootImpl.mHeight); 2457 drawable.setBounds(bounds); 2458 drawable.draw(canvas); 2459 } 2460 2461 private Drawable getAccessibilityFocusedDrawable() { 2462 if (mAttachInfo != null) { 2463 // Lazily load the accessibility focus drawable. 2464 if (mAttachInfo.mAccessibilityFocusDrawable == null) { 2465 TypedValue value = new TypedValue(); 2466 final boolean resolved = mView.mContext.getTheme().resolveAttribute( 2467 R.attr.accessibilityFocusedDrawable, value, true); 2468 if (resolved) { 2469 mAttachInfo.mAccessibilityFocusDrawable = 2470 mView.mContext.getResources().getDrawable(value.resourceId); 2471 } 2472 } 2473 return mAttachInfo.mAccessibilityFocusDrawable; 2474 } 2475 return null; 2476 } 2477 2478 void invalidateDisplayLists() { 2479 final ArrayList<DisplayList> displayLists = mDisplayLists; 2480 final int count = displayLists.size(); 2481 2482 for (int i = 0; i < count; i++) { 2483 final DisplayList displayList = displayLists.get(i); 2484 if (displayList.isDirty()) { 2485 displayList.invalidate(); 2486 displayList.clear(); 2487 displayList.setDirty(false); 2488 } 2489 } 2490 2491 displayLists.clear(); 2492 } 2493 2494 boolean scrollToRectOrFocus(Rect rectangle, boolean immediate) { 2495 final View.AttachInfo attachInfo = mAttachInfo; 2496 final Rect ci = attachInfo.mContentInsets; 2497 final Rect vi = attachInfo.mVisibleInsets; 2498 int scrollY = 0; 2499 boolean handled = false; 2500 2501 if (vi.left > ci.left || vi.top > ci.top 2502 || vi.right > ci.right || vi.bottom > ci.bottom) { 2503 // We'll assume that we aren't going to change the scroll 2504 // offset, since we want to avoid that unless it is actually 2505 // going to make the focus visible... otherwise we scroll 2506 // all over the place. 2507 scrollY = mScrollY; 2508 // We can be called for two different situations: during a draw, 2509 // to update the scroll position if the focus has changed (in which 2510 // case 'rectangle' is null), or in response to a 2511 // requestChildRectangleOnScreen() call (in which case 'rectangle' 2512 // is non-null and we just want to scroll to whatever that 2513 // rectangle is). 2514 View focus = mView.findFocus(); 2515 if (focus == null) { 2516 return false; 2517 } 2518 View lastScrolledFocus = (mLastScrolledFocus != null) ? mLastScrolledFocus.get() : null; 2519 if (lastScrolledFocus != null && focus != lastScrolledFocus) { 2520 // If the focus has changed, then ignore any requests to scroll 2521 // to a rectangle; first we want to make sure the entire focus 2522 // view is visible. 2523 rectangle = null; 2524 } 2525 if (DEBUG_INPUT_RESIZE) Log.v(TAG, "Eval scroll: focus=" + focus 2526 + " rectangle=" + rectangle + " ci=" + ci 2527 + " vi=" + vi); 2528 if (focus == lastScrolledFocus && !mScrollMayChange && rectangle == null) { 2529 // Optimization: if the focus hasn't changed since last 2530 // time, and no layout has happened, then just leave things 2531 // as they are. 2532 if (DEBUG_INPUT_RESIZE) Log.v(TAG, "Keeping scroll y=" 2533 + mScrollY + " vi=" + vi.toShortString()); 2534 } else if (focus != null) { 2535 // We need to determine if the currently focused view is 2536 // within the visible part of the window and, if not, apply 2537 // a pan so it can be seen. 2538 mLastScrolledFocus = new WeakReference<View>(focus); 2539 mScrollMayChange = false; 2540 if (DEBUG_INPUT_RESIZE) Log.v(TAG, "Need to scroll?"); 2541 // Try to find the rectangle from the focus view. 2542 if (focus.getGlobalVisibleRect(mVisRect, null)) { 2543 if (DEBUG_INPUT_RESIZE) Log.v(TAG, "Root w=" 2544 + mView.getWidth() + " h=" + mView.getHeight() 2545 + " ci=" + ci.toShortString() 2546 + " vi=" + vi.toShortString()); 2547 if (rectangle == null) { 2548 focus.getFocusedRect(mTempRect); 2549 if (DEBUG_INPUT_RESIZE) Log.v(TAG, "Focus " + focus 2550 + ": focusRect=" + mTempRect.toShortString()); 2551 if (mView instanceof ViewGroup) { 2552 ((ViewGroup) mView).offsetDescendantRectToMyCoords( 2553 focus, mTempRect); 2554 } 2555 if (DEBUG_INPUT_RESIZE) Log.v(TAG, 2556 "Focus in window: focusRect=" 2557 + mTempRect.toShortString() 2558 + " visRect=" + mVisRect.toShortString()); 2559 } else { 2560 mTempRect.set(rectangle); 2561 if (DEBUG_INPUT_RESIZE) Log.v(TAG, 2562 "Request scroll to rect: " 2563 + mTempRect.toShortString() 2564 + " visRect=" + mVisRect.toShortString()); 2565 } 2566 if (mTempRect.intersect(mVisRect)) { 2567 if (DEBUG_INPUT_RESIZE) Log.v(TAG, 2568 "Focus window visible rect: " 2569 + mTempRect.toShortString()); 2570 if (mTempRect.height() > 2571 (mView.getHeight()-vi.top-vi.bottom)) { 2572 // If the focus simply is not going to fit, then 2573 // best is probably just to leave things as-is. 2574 if (DEBUG_INPUT_RESIZE) Log.v(TAG, 2575 "Too tall; leaving scrollY=" + scrollY); 2576 } else if ((mTempRect.top-scrollY) < vi.top) { 2577 scrollY -= vi.top - (mTempRect.top-scrollY); 2578 if (DEBUG_INPUT_RESIZE) Log.v(TAG, 2579 "Top covered; scrollY=" + scrollY); 2580 } else if ((mTempRect.bottom-scrollY) 2581 > (mView.getHeight()-vi.bottom)) { 2582 scrollY += (mTempRect.bottom-scrollY) 2583 - (mView.getHeight()-vi.bottom); 2584 if (DEBUG_INPUT_RESIZE) Log.v(TAG, 2585 "Bottom covered; scrollY=" + scrollY); 2586 } 2587 handled = true; 2588 } 2589 } 2590 } 2591 } 2592 2593 if (scrollY != mScrollY) { 2594 if (DEBUG_INPUT_RESIZE) Log.v(TAG, "Pan scroll changed: old=" 2595 + mScrollY + " , new=" + scrollY); 2596 if (!immediate && mResizeBuffer == null) { 2597 if (mScroller == null) { 2598 mScroller = new Scroller(mView.getContext()); 2599 } 2600 mScroller.startScroll(0, mScrollY, 0, scrollY-mScrollY); 2601 } else if (mScroller != null) { 2602 mScroller.abortAnimation(); 2603 } 2604 mScrollY = scrollY; 2605 } 2606 2607 return handled; 2608 } 2609 2610 /** 2611 * @hide 2612 */ 2613 public View getAccessibilityFocusedHost() { 2614 return mAccessibilityFocusedHost; 2615 } 2616 2617 /** 2618 * @hide 2619 */ 2620 public AccessibilityNodeInfo getAccessibilityFocusedVirtualView() { 2621 return mAccessibilityFocusedVirtualView; 2622 } 2623 2624 void setAccessibilityFocus(View view, AccessibilityNodeInfo node) { 2625 // If we have a virtual view with accessibility focus we need 2626 // to clear the focus and invalidate the virtual view bounds. 2627 if (mAccessibilityFocusedVirtualView != null) { 2628 2629 AccessibilityNodeInfo focusNode = mAccessibilityFocusedVirtualView; 2630 View focusHost = mAccessibilityFocusedHost; 2631 focusHost.clearAccessibilityFocusNoCallbacks(); 2632 2633 // Wipe the state of the current accessibility focus since 2634 // the call into the provider to clear accessibility focus 2635 // will fire an accessibility event which will end up calling 2636 // this method and we want to have clean state when this 2637 // invocation happens. 2638 mAccessibilityFocusedHost = null; 2639 mAccessibilityFocusedVirtualView = null; 2640 2641 AccessibilityNodeProvider provider = focusHost.getAccessibilityNodeProvider(); 2642 if (provider != null) { 2643 // Invalidate the area of the cleared accessibility focus. 2644 focusNode.getBoundsInParent(mTempRect); 2645 focusHost.invalidate(mTempRect); 2646 // Clear accessibility focus in the virtual node. 2647 final int virtualNodeId = AccessibilityNodeInfo.getVirtualDescendantId( 2648 focusNode.getSourceNodeId()); 2649 provider.performAction(virtualNodeId, 2650 AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS, null); 2651 } 2652 focusNode.recycle(); 2653 } 2654 if (mAccessibilityFocusedHost != null) { 2655 // Clear accessibility focus in the view. 2656 mAccessibilityFocusedHost.clearAccessibilityFocusNoCallbacks(); 2657 } 2658 2659 // Set the new focus host and node. 2660 mAccessibilityFocusedHost = view; 2661 mAccessibilityFocusedVirtualView = node; 2662 } 2663 2664 public void requestChildFocus(View child, View focused) { 2665 if (DEBUG_INPUT_RESIZE) { 2666 Log.v(TAG, "Request child focus: focus now " + focused); 2667 } 2668 checkThread(); 2669 scheduleTraversals(); 2670 } 2671 2672 public void clearChildFocus(View child) { 2673 if (DEBUG_INPUT_RESIZE) { 2674 Log.v(TAG, "Clearing child focus"); 2675 } 2676 checkThread(); 2677 scheduleTraversals(); 2678 } 2679 2680 @Override 2681 public ViewParent getParentForAccessibility() { 2682 return null; 2683 } 2684 2685 public void focusableViewAvailable(View v) { 2686 checkThread(); 2687 if (mView != null) { 2688 if (!mView.hasFocus()) { 2689 v.requestFocus(); 2690 } else { 2691 // the one case where will transfer focus away from the current one 2692 // is if the current view is a view group that prefers to give focus 2693 // to its children first AND the view is a descendant of it. 2694 View focused = mView.findFocus(); 2695 if (focused instanceof ViewGroup) { 2696 ViewGroup group = (ViewGroup) focused; 2697 if (group.getDescendantFocusability() == ViewGroup.FOCUS_AFTER_DESCENDANTS 2698 && isViewDescendantOf(v, focused)) { 2699 v.requestFocus(); 2700 } 2701 } 2702 } 2703 } 2704 } 2705 2706 public void recomputeViewAttributes(View child) { 2707 checkThread(); 2708 if (mView == child) { 2709 mAttachInfo.mRecomputeGlobalAttributes = true; 2710 if (!mWillDrawSoon) { 2711 scheduleTraversals(); 2712 } 2713 } 2714 } 2715 2716 void dispatchDetachedFromWindow() { 2717 if (mView != null && mView.mAttachInfo != null) { 2718 if (mAttachInfo.mHardwareRenderer != null && 2719 mAttachInfo.mHardwareRenderer.isEnabled()) { 2720 mAttachInfo.mHardwareRenderer.validate(); 2721 } 2722 mView.dispatchDetachedFromWindow(); 2723 } 2724 2725 mAccessibilityInteractionConnectionManager.ensureNoConnection(); 2726 mAccessibilityManager.removeAccessibilityStateChangeListener( 2727 mAccessibilityInteractionConnectionManager); 2728 removeSendWindowContentChangedCallback(); 2729 2730 destroyHardwareRenderer(); 2731 2732 setAccessibilityFocus(null, null); 2733 2734 mView = null; 2735 mAttachInfo.mRootView = null; 2736 mAttachInfo.mSurface = null; 2737 2738 mSurface.release(); 2739 2740 if (mInputQueueCallback != null && mInputQueue != null) { 2741 mInputQueueCallback.onInputQueueDestroyed(mInputQueue); 2742 mInputQueueCallback = null; 2743 mInputQueue = null; 2744 } else if (mInputEventReceiver != null) { 2745 mInputEventReceiver.dispose(); 2746 mInputEventReceiver = null; 2747 } 2748 try { 2749 mWindowSession.remove(mWindow); 2750 } catch (RemoteException e) { 2751 } 2752 2753 // Dispose the input channel after removing the window so the Window Manager 2754 // doesn't interpret the input channel being closed as an abnormal termination. 2755 if (mInputChannel != null) { 2756 mInputChannel.dispose(); 2757 mInputChannel = null; 2758 } 2759 2760 unscheduleTraversals(); 2761 } 2762 2763 void updateConfiguration(Configuration config, boolean force) { 2764 if (DEBUG_CONFIGURATION) Log.v(TAG, 2765 "Applying new config to window " 2766 + mWindowAttributes.getTitle() 2767 + ": " + config); 2768 2769 CompatibilityInfo ci = mCompatibilityInfo.getIfNeeded(); 2770 if (ci != null) { 2771 config = new Configuration(config); 2772 ci.applyToConfiguration(mNoncompatDensity, config); 2773 } 2774 2775 synchronized (sConfigCallbacks) { 2776 for (int i=sConfigCallbacks.size()-1; i>=0; i--) { 2777 sConfigCallbacks.get(i).onConfigurationChanged(config); 2778 } 2779 } 2780 if (mView != null) { 2781 // At this point the resources have been updated to 2782 // have the most recent config, whatever that is. Use 2783 // the one in them which may be newer. 2784 config = mView.getResources().getConfiguration(); 2785 if (force || mLastConfiguration.diff(config) != 0) { 2786 final int lastLayoutDirection = mLastConfiguration.getLayoutDirection(); 2787 final int currentLayoutDirection = config.getLayoutDirection(); 2788 mLastConfiguration.setTo(config); 2789 if (lastLayoutDirection != currentLayoutDirection && 2790 mViewLayoutDirectionInitial == View.LAYOUT_DIRECTION_INHERIT) { 2791 mView.setLayoutDirection(currentLayoutDirection); 2792 } 2793 mView.dispatchConfigurationChanged(config); 2794 } 2795 } 2796 } 2797 2798 /** 2799 * Return true if child is an ancestor of parent, (or equal to the parent). 2800 */ 2801 public static boolean isViewDescendantOf(View child, View parent) { 2802 if (child == parent) { 2803 return true; 2804 } 2805 2806 final ViewParent theParent = child.getParent(); 2807 return (theParent instanceof ViewGroup) && isViewDescendantOf((View) theParent, parent); 2808 } 2809 2810 private static void forceLayout(View view) { 2811 view.forceLayout(); 2812 if (view instanceof ViewGroup) { 2813 ViewGroup group = (ViewGroup) view; 2814 final int count = group.getChildCount(); 2815 for (int i = 0; i < count; i++) { 2816 forceLayout(group.getChildAt(i)); 2817 } 2818 } 2819 } 2820 2821 private final static int MSG_INVALIDATE = 1; 2822 private final static int MSG_INVALIDATE_RECT = 2; 2823 private final static int MSG_DIE = 3; 2824 private final static int MSG_RESIZED = 4; 2825 private final static int MSG_RESIZED_REPORT = 5; 2826 private final static int MSG_WINDOW_FOCUS_CHANGED = 6; 2827 private final static int MSG_DISPATCH_KEY = 7; 2828 private final static int MSG_DISPATCH_APP_VISIBILITY = 8; 2829 private final static int MSG_DISPATCH_GET_NEW_SURFACE = 9; 2830 private final static int MSG_IME_FINISHED_EVENT = 10; 2831 private final static int MSG_DISPATCH_KEY_FROM_IME = 11; 2832 private final static int MSG_FINISH_INPUT_CONNECTION = 12; 2833 private final static int MSG_CHECK_FOCUS = 13; 2834 private final static int MSG_CLOSE_SYSTEM_DIALOGS = 14; 2835 private final static int MSG_DISPATCH_DRAG_EVENT = 15; 2836 private final static int MSG_DISPATCH_DRAG_LOCATION_EVENT = 16; 2837 private final static int MSG_DISPATCH_SYSTEM_UI_VISIBILITY = 17; 2838 private final static int MSG_UPDATE_CONFIGURATION = 18; 2839 private final static int MSG_PROCESS_INPUT_EVENTS = 19; 2840 private final static int MSG_DISPATCH_SCREEN_STATE = 20; 2841 private final static int MSG_CLEAR_ACCESSIBILITY_FOCUS_HOST = 21; 2842 private final static int MSG_DISPATCH_DONE_ANIMATING = 22; 2843 private final static int MSG_INVALIDATE_WORLD = 23; 2844 private final static int MSG_WINDOW_MOVED = 24; 2845 2846 final class ViewRootHandler extends Handler { 2847 @Override 2848 public String getMessageName(Message message) { 2849 switch (message.what) { 2850 case MSG_INVALIDATE: 2851 return "MSG_INVALIDATE"; 2852 case MSG_INVALIDATE_RECT: 2853 return "MSG_INVALIDATE_RECT"; 2854 case MSG_DIE: 2855 return "MSG_DIE"; 2856 case MSG_RESIZED: 2857 return "MSG_RESIZED"; 2858 case MSG_RESIZED_REPORT: 2859 return "MSG_RESIZED_REPORT"; 2860 case MSG_WINDOW_FOCUS_CHANGED: 2861 return "MSG_WINDOW_FOCUS_CHANGED"; 2862 case MSG_DISPATCH_KEY: 2863 return "MSG_DISPATCH_KEY"; 2864 case MSG_DISPATCH_APP_VISIBILITY: 2865 return "MSG_DISPATCH_APP_VISIBILITY"; 2866 case MSG_DISPATCH_GET_NEW_SURFACE: 2867 return "MSG_DISPATCH_GET_NEW_SURFACE"; 2868 case MSG_IME_FINISHED_EVENT: 2869 return "MSG_IME_FINISHED_EVENT"; 2870 case MSG_DISPATCH_KEY_FROM_IME: 2871 return "MSG_DISPATCH_KEY_FROM_IME"; 2872 case MSG_FINISH_INPUT_CONNECTION: 2873 return "MSG_FINISH_INPUT_CONNECTION"; 2874 case MSG_CHECK_FOCUS: 2875 return "MSG_CHECK_FOCUS"; 2876 case MSG_CLOSE_SYSTEM_DIALOGS: 2877 return "MSG_CLOSE_SYSTEM_DIALOGS"; 2878 case MSG_DISPATCH_DRAG_EVENT: 2879 return "MSG_DISPATCH_DRAG_EVENT"; 2880 case MSG_DISPATCH_DRAG_LOCATION_EVENT: 2881 return "MSG_DISPATCH_DRAG_LOCATION_EVENT"; 2882 case MSG_DISPATCH_SYSTEM_UI_VISIBILITY: 2883 return "MSG_DISPATCH_SYSTEM_UI_VISIBILITY"; 2884 case MSG_UPDATE_CONFIGURATION: 2885 return "MSG_UPDATE_CONFIGURATION"; 2886 case MSG_PROCESS_INPUT_EVENTS: 2887 return "MSG_PROCESS_INPUT_EVENTS"; 2888 case MSG_DISPATCH_SCREEN_STATE: 2889 return "MSG_DISPATCH_SCREEN_STATE"; 2890 case MSG_CLEAR_ACCESSIBILITY_FOCUS_HOST: 2891 return "MSG_CLEAR_ACCESSIBILITY_FOCUS_HOST"; 2892 case MSG_DISPATCH_DONE_ANIMATING: 2893 return "MSG_DISPATCH_DONE_ANIMATING"; 2894 case MSG_WINDOW_MOVED: 2895 return "MSG_WINDOW_MOVED"; 2896 } 2897 return super.getMessageName(message); 2898 } 2899 2900 @Override 2901 public void handleMessage(Message msg) { 2902 switch (msg.what) { 2903 case MSG_INVALIDATE: 2904 ((View) msg.obj).invalidate(); 2905 break; 2906 case MSG_INVALIDATE_RECT: 2907 final View.AttachInfo.InvalidateInfo info = (View.AttachInfo.InvalidateInfo) msg.obj; 2908 info.target.invalidate(info.left, info.top, info.right, info.bottom); 2909 info.recycle(); 2910 break; 2911 case MSG_IME_FINISHED_EVENT: 2912 handleImeFinishedEvent(msg.arg1, msg.arg2 != 0); 2913 break; 2914 case MSG_PROCESS_INPUT_EVENTS: 2915 mProcessInputEventsScheduled = false; 2916 doProcessInputEvents(); 2917 break; 2918 case MSG_DISPATCH_APP_VISIBILITY: 2919 handleAppVisibility(msg.arg1 != 0); 2920 break; 2921 case MSG_DISPATCH_GET_NEW_SURFACE: 2922 handleGetNewSurface(); 2923 break; 2924 case MSG_RESIZED: { 2925 // Recycled in the fall through... 2926 SomeArgs args = (SomeArgs) msg.obj; 2927 if (mWinFrame.equals(args.arg1) 2928 && mPendingContentInsets.equals(args.arg2) 2929 && mPendingVisibleInsets.equals(args.arg3) 2930 && args.arg4 == null) { 2931 break; 2932 } 2933 } // fall through... 2934 case MSG_RESIZED_REPORT: 2935 if (mAdded) { 2936 SomeArgs args = (SomeArgs) msg.obj; 2937 2938 Configuration config = (Configuration) args.arg4; 2939 if (config != null) { 2940 updateConfiguration(config, false); 2941 } 2942 2943 mWinFrame.set((Rect) args.arg1); 2944 mPendingContentInsets.set((Rect) args.arg2); 2945 mPendingVisibleInsets.set((Rect) args.arg3); 2946 2947 args.recycle(); 2948 2949 if (msg.what == MSG_RESIZED_REPORT) { 2950 mReportNextDraw = true; 2951 } 2952 2953 if (mView != null) { 2954 forceLayout(mView); 2955 } 2956 2957 requestLayout(); 2958 } 2959 break; 2960 case MSG_WINDOW_MOVED: 2961 if (mAdded) { 2962 final int w = mWinFrame.width(); 2963 final int h = mWinFrame.height(); 2964 final int l = msg.arg1; 2965 final int t = msg.arg2; 2966 mWinFrame.left = l; 2967 mWinFrame.right = l + w; 2968 mWinFrame.top = t; 2969 mWinFrame.bottom = t + h; 2970 2971 if (mView != null) { 2972 forceLayout(mView); 2973 } 2974 requestLayout(); 2975 } 2976 break; 2977 case MSG_WINDOW_FOCUS_CHANGED: { 2978 if (mAdded) { 2979 boolean hasWindowFocus = msg.arg1 != 0; 2980 mAttachInfo.mHasWindowFocus = hasWindowFocus; 2981 2982 profileRendering(hasWindowFocus); 2983 2984 if (hasWindowFocus) { 2985 boolean inTouchMode = msg.arg2 != 0; 2986 ensureTouchModeLocally(inTouchMode); 2987 2988 if (mAttachInfo.mHardwareRenderer != null && 2989 mSurface != null && mSurface.isValid()) { 2990 mFullRedrawNeeded = true; 2991 try { 2992 if (mAttachInfo.mHardwareRenderer.initializeIfNeeded( 2993 mWidth, mHeight, mHolder.getSurface())) { 2994 mFullRedrawNeeded = true; 2995 } 2996 } catch (Surface.OutOfResourcesException e) { 2997 Log.e(TAG, "OutOfResourcesException locking surface", e); 2998 try { 2999 if (!mWindowSession.outOfMemory(mWindow)) { 3000 Slog.w(TAG, "No processes killed for memory; killing self"); 3001 Process.killProcess(Process.myPid()); 3002 } 3003 } catch (RemoteException ex) { 3004 } 3005 // Retry in a bit. 3006 sendMessageDelayed(obtainMessage(msg.what, msg.arg1, msg.arg2), 500); 3007 return; 3008 } 3009 } 3010 } 3011 3012 mLastWasImTarget = WindowManager.LayoutParams 3013 .mayUseInputMethod(mWindowAttributes.flags); 3014 3015 InputMethodManager imm = InputMethodManager.peekInstance(); 3016 if (mView != null) { 3017 if (hasWindowFocus && imm != null && mLastWasImTarget) { 3018 imm.startGettingWindowFocus(mView); 3019 } 3020 mAttachInfo.mKeyDispatchState.reset(); 3021 mView.dispatchWindowFocusChanged(hasWindowFocus); 3022 } 3023 3024 // Note: must be done after the focus change callbacks, 3025 // so all of the view state is set up correctly. 3026 if (hasWindowFocus) { 3027 if (imm != null && mLastWasImTarget) { 3028 imm.onWindowFocus(mView, mView.findFocus(), 3029 mWindowAttributes.softInputMode, 3030 !mHasHadWindowFocus, mWindowAttributes.flags); 3031 } 3032 // Clear the forward bit. We can just do this directly, since 3033 // the window manager doesn't care about it. 3034 mWindowAttributes.softInputMode &= 3035 ~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION; 3036 ((WindowManager.LayoutParams)mView.getLayoutParams()) 3037 .softInputMode &= 3038 ~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION; 3039 mHasHadWindowFocus = true; 3040 } 3041 3042 setAccessibilityFocus(null, null); 3043 3044 if (mView != null && mAccessibilityManager.isEnabled()) { 3045 if (hasWindowFocus) { 3046 mView.sendAccessibilityEvent( 3047 AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 3048 } 3049 } 3050 } 3051 } break; 3052 case MSG_DIE: 3053 doDie(); 3054 break; 3055 case MSG_DISPATCH_KEY: { 3056 KeyEvent event = (KeyEvent)msg.obj; 3057 enqueueInputEvent(event, null, 0, true); 3058 } break; 3059 case MSG_DISPATCH_KEY_FROM_IME: { 3060 if (LOCAL_LOGV) Log.v( 3061 TAG, "Dispatching key " 3062 + msg.obj + " from IME to " + mView); 3063 KeyEvent event = (KeyEvent)msg.obj; 3064 if ((event.getFlags()&KeyEvent.FLAG_FROM_SYSTEM) != 0) { 3065 // The IME is trying to say this event is from the 3066 // system! Bad bad bad! 3067 //noinspection UnusedAssignment 3068 event = KeyEvent.changeFlags(event, event.getFlags() & ~KeyEvent.FLAG_FROM_SYSTEM); 3069 } 3070 enqueueInputEvent(event, null, QueuedInputEvent.FLAG_DELIVER_POST_IME, true); 3071 } break; 3072 case MSG_FINISH_INPUT_CONNECTION: { 3073 InputMethodManager imm = InputMethodManager.peekInstance(); 3074 if (imm != null) { 3075 imm.reportFinishInputConnection((InputConnection)msg.obj); 3076 } 3077 } break; 3078 case MSG_CHECK_FOCUS: { 3079 InputMethodManager imm = InputMethodManager.peekInstance(); 3080 if (imm != null) { 3081 imm.checkFocus(); 3082 } 3083 } break; 3084 case MSG_CLOSE_SYSTEM_DIALOGS: { 3085 if (mView != null) { 3086 mView.onCloseSystemDialogs((String)msg.obj); 3087 } 3088 } break; 3089 case MSG_DISPATCH_DRAG_EVENT: 3090 case MSG_DISPATCH_DRAG_LOCATION_EVENT: { 3091 DragEvent event = (DragEvent)msg.obj; 3092 event.mLocalState = mLocalDragState; // only present when this app called startDrag() 3093 handleDragEvent(event); 3094 } break; 3095 case MSG_DISPATCH_SYSTEM_UI_VISIBILITY: { 3096 handleDispatchSystemUiVisibilityChanged((SystemUiVisibilityInfo) msg.obj); 3097 } break; 3098 case MSG_UPDATE_CONFIGURATION: { 3099 Configuration config = (Configuration)msg.obj; 3100 if (config.isOtherSeqNewer(mLastConfiguration)) { 3101 config = mLastConfiguration; 3102 } 3103 updateConfiguration(config, false); 3104 } break; 3105 case MSG_DISPATCH_SCREEN_STATE: { 3106 if (mView != null) { 3107 handleScreenStateChange(msg.arg1 == 1); 3108 } 3109 } break; 3110 case MSG_CLEAR_ACCESSIBILITY_FOCUS_HOST: { 3111 setAccessibilityFocus(null, null); 3112 } break; 3113 case MSG_DISPATCH_DONE_ANIMATING: { 3114 handleDispatchDoneAnimating(); 3115 } break; 3116 case MSG_INVALIDATE_WORLD: { 3117 if (mView != null) { 3118 invalidateWorld(mView); 3119 } 3120 } break; 3121 } 3122 } 3123 } 3124 3125 final ViewRootHandler mHandler = new ViewRootHandler(); 3126 3127 /** 3128 * Something in the current window tells us we need to change the touch mode. For 3129 * example, we are not in touch mode, and the user touches the screen. 3130 * 3131 * If the touch mode has changed, tell the window manager, and handle it locally. 3132 * 3133 * @param inTouchMode Whether we want to be in touch mode. 3134 * @return True if the touch mode changed and focus changed was changed as a result 3135 */ 3136 boolean ensureTouchMode(boolean inTouchMode) { 3137 if (DBG) Log.d("touchmode", "ensureTouchMode(" + inTouchMode + "), current " 3138 + "touch mode is " + mAttachInfo.mInTouchMode); 3139 if (mAttachInfo.mInTouchMode == inTouchMode) return false; 3140 3141 // tell the window manager 3142 try { 3143 mWindowSession.setInTouchMode(inTouchMode); 3144 } catch (RemoteException e) { 3145 throw new RuntimeException(e); 3146 } 3147 3148 // handle the change 3149 return ensureTouchModeLocally(inTouchMode); 3150 } 3151 3152 /** 3153 * Ensure that the touch mode for this window is set, and if it is changing, 3154 * take the appropriate action. 3155 * @param inTouchMode Whether we want to be in touch mode. 3156 * @return True if the touch mode changed and focus changed was changed as a result 3157 */ 3158 private boolean ensureTouchModeLocally(boolean inTouchMode) { 3159 if (DBG) Log.d("touchmode", "ensureTouchModeLocally(" + inTouchMode + "), current " 3160 + "touch mode is " + mAttachInfo.mInTouchMode); 3161 3162 if (mAttachInfo.mInTouchMode == inTouchMode) return false; 3163 3164 mAttachInfo.mInTouchMode = inTouchMode; 3165 mAttachInfo.mTreeObserver.dispatchOnTouchModeChanged(inTouchMode); 3166 3167 return (inTouchMode) ? enterTouchMode() : leaveTouchMode(); 3168 } 3169 3170 private boolean enterTouchMode() { 3171 if (mView != null) { 3172 if (mView.hasFocus()) { 3173 // note: not relying on mFocusedView here because this could 3174 // be when the window is first being added, and mFocused isn't 3175 // set yet. 3176 final View focused = mView.findFocus(); 3177 if (focused != null && !focused.isFocusableInTouchMode()) { 3178 final ViewGroup ancestorToTakeFocus = 3179 findAncestorToTakeFocusInTouchMode(focused); 3180 if (ancestorToTakeFocus != null) { 3181 // there is an ancestor that wants focus after its descendants that 3182 // is focusable in touch mode.. give it focus 3183 return ancestorToTakeFocus.requestFocus(); 3184 } else { 3185 // nothing appropriate to have focus in touch mode, clear it out 3186 focused.unFocus(); 3187 return true; 3188 } 3189 } 3190 } 3191 } 3192 return false; 3193 } 3194 3195 /** 3196 * Find an ancestor of focused that wants focus after its descendants and is 3197 * focusable in touch mode. 3198 * @param focused The currently focused view. 3199 * @return An appropriate view, or null if no such view exists. 3200 */ 3201 private static ViewGroup findAncestorToTakeFocusInTouchMode(View focused) { 3202 ViewParent parent = focused.getParent(); 3203 while (parent instanceof ViewGroup) { 3204 final ViewGroup vgParent = (ViewGroup) parent; 3205 if (vgParent.getDescendantFocusability() == ViewGroup.FOCUS_AFTER_DESCENDANTS 3206 && vgParent.isFocusableInTouchMode()) { 3207 return vgParent; 3208 } 3209 if (vgParent.isRootNamespace()) { 3210 return null; 3211 } else { 3212 parent = vgParent.getParent(); 3213 } 3214 } 3215 return null; 3216 } 3217 3218 private boolean leaveTouchMode() { 3219 if (mView != null) { 3220 if (mView.hasFocus()) { 3221 View focusedView = mView.findFocus(); 3222 if (!(focusedView instanceof ViewGroup)) { 3223 // some view has focus, let it keep it 3224 return false; 3225 } else if (((ViewGroup) focusedView).getDescendantFocusability() != 3226 ViewGroup.FOCUS_AFTER_DESCENDANTS) { 3227 // some view group has focus, and doesn't prefer its children 3228 // over itself for focus, so let them keep it. 3229 return false; 3230 } 3231 } 3232 3233 // find the best view to give focus to in this brave new non-touch-mode 3234 // world 3235 final View focused = focusSearch(null, View.FOCUS_DOWN); 3236 if (focused != null) { 3237 return focused.requestFocus(View.FOCUS_DOWN); 3238 } 3239 } 3240 return false; 3241 } 3242 3243 private void deliverInputEvent(QueuedInputEvent q) { 3244 Trace.traceBegin(Trace.TRACE_TAG_VIEW, "deliverInputEvent"); 3245 try { 3246 if (q.mEvent instanceof KeyEvent) { 3247 deliverKeyEvent(q); 3248 } else { 3249 final int source = q.mEvent.getSource(); 3250 if ((source & InputDevice.SOURCE_CLASS_POINTER) != 0) { 3251 deliverPointerEvent(q); 3252 } else if ((source & InputDevice.SOURCE_CLASS_TRACKBALL) != 0) { 3253 deliverTrackballEvent(q); 3254 } else { 3255 deliverGenericMotionEvent(q); 3256 } 3257 } 3258 } finally { 3259 Trace.traceEnd(Trace.TRACE_TAG_VIEW); 3260 } 3261 } 3262 3263 private void deliverPointerEvent(QueuedInputEvent q) { 3264 final MotionEvent event = (MotionEvent)q.mEvent; 3265 final boolean isTouchEvent = event.isTouchEvent(); 3266 if (mInputEventConsistencyVerifier != null) { 3267 if (isTouchEvent) { 3268 mInputEventConsistencyVerifier.onTouchEvent(event, 0); 3269 } else { 3270 mInputEventConsistencyVerifier.onGenericMotionEvent(event, 0); 3271 } 3272 } 3273 3274 // If there is no view, then the event will not be handled. 3275 if (mView == null || !mAdded) { 3276 finishInputEvent(q, false); 3277 return; 3278 } 3279 3280 // Translate the pointer event for compatibility, if needed. 3281 if (mTranslator != null) { 3282 mTranslator.translateEventInScreenToAppWindow(event); 3283 } 3284 3285 // Enter touch mode on down or scroll. 3286 final int action = event.getAction(); 3287 if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_SCROLL) { 3288 ensureTouchMode(true); 3289 } 3290 3291 // Offset the scroll position. 3292 if (mCurScrollY != 0) { 3293 event.offsetLocation(0, mCurScrollY); 3294 } 3295 if (MEASURE_LATENCY) { 3296 lt.sample("A Dispatching PointerEvents", System.nanoTime() - event.getEventTimeNano()); 3297 } 3298 3299 // Remember the touch position for possible drag-initiation. 3300 if (isTouchEvent) { 3301 mLastTouchPoint.x = event.getRawX(); 3302 mLastTouchPoint.y = event.getRawY(); 3303 } 3304 3305 // Dispatch touch to view hierarchy. 3306 boolean handled = mView.dispatchPointerEvent(event); 3307 if (MEASURE_LATENCY) { 3308 lt.sample("B Dispatched PointerEvents ", System.nanoTime() - event.getEventTimeNano()); 3309 } 3310 if (handled) { 3311 finishInputEvent(q, true); 3312 return; 3313 } 3314 3315 // Pointer event was unhandled. 3316 finishInputEvent(q, false); 3317 } 3318 3319 private void deliverTrackballEvent(QueuedInputEvent q) { 3320 final MotionEvent event = (MotionEvent)q.mEvent; 3321 if (mInputEventConsistencyVerifier != null) { 3322 mInputEventConsistencyVerifier.onTrackballEvent(event, 0); 3323 } 3324 3325 if (mView != null && mAdded && (q.mFlags & QueuedInputEvent.FLAG_DELIVER_POST_IME) == 0) { 3326 if (LOCAL_LOGV) 3327 Log.v(TAG, "Dispatching trackball " + event + " to " + mView); 3328 3329 // Dispatch to the IME before propagating down the view hierarchy. 3330 // The IME will eventually call back into handleImeFinishedEvent. 3331 if (mLastWasImTarget) { 3332 InputMethodManager imm = InputMethodManager.peekInstance(); 3333 if (imm != null) { 3334 final int seq = event.getSequenceNumber(); 3335 if (DEBUG_IMF) 3336 Log.v(TAG, "Sending trackball event to IME: seq=" 3337 + seq + " event=" + event); 3338 imm.dispatchTrackballEvent(mView.getContext(), seq, event, 3339 mInputMethodCallback); 3340 return; 3341 } 3342 } 3343 } 3344 3345 // Not dispatching to IME, continue with post IME actions. 3346 deliverTrackballEventPostIme(q); 3347 } 3348 3349 private void deliverTrackballEventPostIme(QueuedInputEvent q) { 3350 final MotionEvent event = (MotionEvent) q.mEvent; 3351 3352 // If there is no view, then the event will not be handled. 3353 if (mView == null || !mAdded) { 3354 finishInputEvent(q, false); 3355 return; 3356 } 3357 3358 // Deliver the trackball event to the view. 3359 if (mView.dispatchTrackballEvent(event)) { 3360 // If we reach this, we delivered a trackball event to mView and 3361 // mView consumed it. Because we will not translate the trackball 3362 // event into a key event, touch mode will not exit, so we exit 3363 // touch mode here. 3364 ensureTouchMode(false); 3365 3366 finishInputEvent(q, true); 3367 mLastTrackballTime = Integer.MIN_VALUE; 3368 return; 3369 } 3370 3371 // Translate the trackball event into DPAD keys and try to deliver those. 3372 final TrackballAxis x = mTrackballAxisX; 3373 final TrackballAxis y = mTrackballAxisY; 3374 3375 long curTime = SystemClock.uptimeMillis(); 3376 if ((mLastTrackballTime + MAX_TRACKBALL_DELAY) < curTime) { 3377 // It has been too long since the last movement, 3378 // so restart at the beginning. 3379 x.reset(0); 3380 y.reset(0); 3381 mLastTrackballTime = curTime; 3382 } 3383 3384 final int action = event.getAction(); 3385 final int metaState = event.getMetaState(); 3386 switch (action) { 3387 case MotionEvent.ACTION_DOWN: 3388 x.reset(2); 3389 y.reset(2); 3390 enqueueInputEvent(new KeyEvent(curTime, curTime, 3391 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DPAD_CENTER, 0, metaState, 3392 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, KeyEvent.FLAG_FALLBACK, 3393 InputDevice.SOURCE_KEYBOARD)); 3394 break; 3395 case MotionEvent.ACTION_UP: 3396 x.reset(2); 3397 y.reset(2); 3398 enqueueInputEvent(new KeyEvent(curTime, curTime, 3399 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DPAD_CENTER, 0, metaState, 3400 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, KeyEvent.FLAG_FALLBACK, 3401 InputDevice.SOURCE_KEYBOARD)); 3402 break; 3403 } 3404 3405 if (DEBUG_TRACKBALL) Log.v(TAG, "TB X=" + x.position + " step=" 3406 + x.step + " dir=" + x.dir + " acc=" + x.acceleration 3407 + " move=" + event.getX() 3408 + " / Y=" + y.position + " step=" 3409 + y.step + " dir=" + y.dir + " acc=" + y.acceleration 3410 + " move=" + event.getY()); 3411 final float xOff = x.collect(event.getX(), event.getEventTime(), "X"); 3412 final float yOff = y.collect(event.getY(), event.getEventTime(), "Y"); 3413 3414 // Generate DPAD events based on the trackball movement. 3415 // We pick the axis that has moved the most as the direction of 3416 // the DPAD. When we generate DPAD events for one axis, then the 3417 // other axis is reset -- we don't want to perform DPAD jumps due 3418 // to slight movements in the trackball when making major movements 3419 // along the other axis. 3420 int keycode = 0; 3421 int movement = 0; 3422 float accel = 1; 3423 if (xOff > yOff) { 3424 movement = x.generate((2/event.getXPrecision())); 3425 if (movement != 0) { 3426 keycode = movement > 0 ? KeyEvent.KEYCODE_DPAD_RIGHT 3427 : KeyEvent.KEYCODE_DPAD_LEFT; 3428 accel = x.acceleration; 3429 y.reset(2); 3430 } 3431 } else if (yOff > 0) { 3432 movement = y.generate((2/event.getYPrecision())); 3433 if (movement != 0) { 3434 keycode = movement > 0 ? KeyEvent.KEYCODE_DPAD_DOWN 3435 : KeyEvent.KEYCODE_DPAD_UP; 3436 accel = y.acceleration; 3437 x.reset(2); 3438 } 3439 } 3440 3441 if (keycode != 0) { 3442 if (movement < 0) movement = -movement; 3443 int accelMovement = (int)(movement * accel); 3444 if (DEBUG_TRACKBALL) Log.v(TAG, "Move: movement=" + movement 3445 + " accelMovement=" + accelMovement 3446 + " accel=" + accel); 3447 if (accelMovement > movement) { 3448 if (DEBUG_TRACKBALL) Log.v("foo", "Delivering fake DPAD: " 3449 + keycode); 3450 movement--; 3451 int repeatCount = accelMovement - movement; 3452 enqueueInputEvent(new KeyEvent(curTime, curTime, 3453 KeyEvent.ACTION_MULTIPLE, keycode, repeatCount, metaState, 3454 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, KeyEvent.FLAG_FALLBACK, 3455 InputDevice.SOURCE_KEYBOARD)); 3456 } 3457 while (movement > 0) { 3458 if (DEBUG_TRACKBALL) Log.v("foo", "Delivering fake DPAD: " 3459 + keycode); 3460 movement--; 3461 curTime = SystemClock.uptimeMillis(); 3462 enqueueInputEvent(new KeyEvent(curTime, curTime, 3463 KeyEvent.ACTION_DOWN, keycode, 0, metaState, 3464 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, KeyEvent.FLAG_FALLBACK, 3465 InputDevice.SOURCE_KEYBOARD)); 3466 enqueueInputEvent(new KeyEvent(curTime, curTime, 3467 KeyEvent.ACTION_UP, keycode, 0, metaState, 3468 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, KeyEvent.FLAG_FALLBACK, 3469 InputDevice.SOURCE_KEYBOARD)); 3470 } 3471 mLastTrackballTime = curTime; 3472 } 3473 3474 // Unfortunately we can't tell whether the application consumed the keys, so 3475 // we always consider the trackball event handled. 3476 finishInputEvent(q, true); 3477 } 3478 3479 private void deliverGenericMotionEvent(QueuedInputEvent q) { 3480 final MotionEvent event = (MotionEvent)q.mEvent; 3481 if (mInputEventConsistencyVerifier != null) { 3482 mInputEventConsistencyVerifier.onGenericMotionEvent(event, 0); 3483 } 3484 if (mView != null && mAdded && (q.mFlags & QueuedInputEvent.FLAG_DELIVER_POST_IME) == 0) { 3485 if (LOCAL_LOGV) 3486 Log.v(TAG, "Dispatching generic motion " + event + " to " + mView); 3487 3488 // Dispatch to the IME before propagating down the view hierarchy. 3489 // The IME will eventually call back into handleImeFinishedEvent. 3490 if (mLastWasImTarget) { 3491 InputMethodManager imm = InputMethodManager.peekInstance(); 3492 if (imm != null) { 3493 final int seq = event.getSequenceNumber(); 3494 if (DEBUG_IMF) 3495 Log.v(TAG, "Sending generic motion event to IME: seq=" 3496 + seq + " event=" + event); 3497 imm.dispatchGenericMotionEvent(mView.getContext(), seq, event, 3498 mInputMethodCallback); 3499 return; 3500 } 3501 } 3502 } 3503 3504 // Not dispatching to IME, continue with post IME actions. 3505 deliverGenericMotionEventPostIme(q); 3506 } 3507 3508 private void deliverGenericMotionEventPostIme(QueuedInputEvent q) { 3509 final MotionEvent event = (MotionEvent) q.mEvent; 3510 final int source = event.getSource(); 3511 final boolean isJoystick = (source & InputDevice.SOURCE_CLASS_JOYSTICK) != 0; 3512 final boolean isTouchPad = (source & InputDevice.SOURCE_CLASS_POSITION) != 0; 3513 3514 // If there is no view, then the event will not be handled. 3515 if (mView == null || !mAdded) { 3516 if (isJoystick) { 3517 updateJoystickDirection(event, false); 3518 } else if (isTouchPad) { 3519 //Convert TouchPad motion into a TrackBall event 3520 mSimulatedTrackball.updateTrackballDirection(this, event); 3521 } 3522 finishInputEvent(q, false); 3523 return; 3524 } 3525 3526 // Deliver the event to the view. 3527 if (mView.dispatchGenericMotionEvent(event)) { 3528 if (isJoystick) { 3529 updateJoystickDirection(event, false); 3530 } else if (isTouchPad) { 3531 //Convert TouchPad motion into a TrackBall event 3532 mSimulatedTrackball.updateTrackballDirection(this, event); 3533 } 3534 finishInputEvent(q, true); 3535 return; 3536 } 3537 3538 if (isJoystick) { 3539 // Translate the joystick event into DPAD keys and try to deliver 3540 // those. 3541 updateJoystickDirection(event, true); 3542 finishInputEvent(q, true); 3543 } else if (isTouchPad) { 3544 //Convert TouchPad motion into a TrackBall event 3545 mSimulatedTrackball.updateTrackballDirection(this, event); 3546 finishInputEvent(q, true); 3547 } else { 3548 finishInputEvent(q, false); 3549 } 3550 } 3551 3552 private void updateJoystickDirection(MotionEvent event, boolean synthesizeNewKeys) { 3553 final long time = event.getEventTime(); 3554 final int metaState = event.getMetaState(); 3555 final int deviceId = event.getDeviceId(); 3556 final int source = event.getSource(); 3557 3558 int xDirection = joystickAxisValueToDirection(event.getAxisValue(MotionEvent.AXIS_HAT_X)); 3559 if (xDirection == 0) { 3560 xDirection = joystickAxisValueToDirection(event.getX()); 3561 } 3562 3563 int yDirection = joystickAxisValueToDirection(event.getAxisValue(MotionEvent.AXIS_HAT_Y)); 3564 if (yDirection == 0) { 3565 yDirection = joystickAxisValueToDirection(event.getY()); 3566 } 3567 3568 if (xDirection != mLastJoystickXDirection) { 3569 if (mLastJoystickXKeyCode != 0) { 3570 enqueueInputEvent(new KeyEvent(time, time, 3571 KeyEvent.ACTION_UP, mLastJoystickXKeyCode, 0, metaState, 3572 deviceId, 0, KeyEvent.FLAG_FALLBACK, source)); 3573 mLastJoystickXKeyCode = 0; 3574 } 3575 3576 mLastJoystickXDirection = xDirection; 3577 3578 if (xDirection != 0 && synthesizeNewKeys) { 3579 mLastJoystickXKeyCode = xDirection > 0 3580 ? KeyEvent.KEYCODE_DPAD_RIGHT : KeyEvent.KEYCODE_DPAD_LEFT; 3581 enqueueInputEvent(new KeyEvent(time, time, 3582 KeyEvent.ACTION_DOWN, mLastJoystickXKeyCode, 0, metaState, 3583 deviceId, 0, KeyEvent.FLAG_FALLBACK, source)); 3584 } 3585 } 3586 3587 if (yDirection != mLastJoystickYDirection) { 3588 if (mLastJoystickYKeyCode != 0) { 3589 enqueueInputEvent(new KeyEvent(time, time, 3590 KeyEvent.ACTION_UP, mLastJoystickYKeyCode, 0, metaState, 3591 deviceId, 0, KeyEvent.FLAG_FALLBACK, source)); 3592 mLastJoystickYKeyCode = 0; 3593 } 3594 3595 mLastJoystickYDirection = yDirection; 3596 3597 if (yDirection != 0 && synthesizeNewKeys) { 3598 mLastJoystickYKeyCode = yDirection > 0 3599 ? KeyEvent.KEYCODE_DPAD_DOWN : KeyEvent.KEYCODE_DPAD_UP; 3600 enqueueInputEvent(new KeyEvent(time, time, 3601 KeyEvent.ACTION_DOWN, mLastJoystickYKeyCode, 0, metaState, 3602 deviceId, 0, KeyEvent.FLAG_FALLBACK, source)); 3603 } 3604 } 3605 } 3606 3607 private static int joystickAxisValueToDirection(float value) { 3608 if (value >= 0.5f) { 3609 return 1; 3610 } else if (value <= -0.5f) { 3611 return -1; 3612 } else { 3613 return 0; 3614 } 3615 } 3616 3617 /** 3618 * Returns true if the key is used for keyboard navigation. 3619 * @param keyEvent The key event. 3620 * @return True if the key is used for keyboard navigation. 3621 */ 3622 private static boolean isNavigationKey(KeyEvent keyEvent) { 3623 switch (keyEvent.getKeyCode()) { 3624 case KeyEvent.KEYCODE_DPAD_LEFT: 3625 case KeyEvent.KEYCODE_DPAD_RIGHT: 3626 case KeyEvent.KEYCODE_DPAD_UP: 3627 case KeyEvent.KEYCODE_DPAD_DOWN: 3628 case KeyEvent.KEYCODE_DPAD_CENTER: 3629 case KeyEvent.KEYCODE_PAGE_UP: 3630 case KeyEvent.KEYCODE_PAGE_DOWN: 3631 case KeyEvent.KEYCODE_MOVE_HOME: 3632 case KeyEvent.KEYCODE_MOVE_END: 3633 case KeyEvent.KEYCODE_TAB: 3634 case KeyEvent.KEYCODE_SPACE: 3635 case KeyEvent.KEYCODE_ENTER: 3636 return true; 3637 } 3638 return false; 3639 } 3640 3641 /** 3642 * Returns true if the key is used for typing. 3643 * @param keyEvent The key event. 3644 * @return True if the key is used for typing. 3645 */ 3646 private static boolean isTypingKey(KeyEvent keyEvent) { 3647 return keyEvent.getUnicodeChar() > 0; 3648 } 3649 3650 /** 3651 * See if the key event means we should leave touch mode (and leave touch mode if so). 3652 * @param event The key event. 3653 * @return Whether this key event should be consumed (meaning the act of 3654 * leaving touch mode alone is considered the event). 3655 */ 3656 private boolean checkForLeavingTouchModeAndConsume(KeyEvent event) { 3657 // Only relevant in touch mode. 3658 if (!mAttachInfo.mInTouchMode) { 3659 return false; 3660 } 3661 3662 // Only consider leaving touch mode on DOWN or MULTIPLE actions, never on UP. 3663 final int action = event.getAction(); 3664 if (action != KeyEvent.ACTION_DOWN && action != KeyEvent.ACTION_MULTIPLE) { 3665 return false; 3666 } 3667 3668 // Don't leave touch mode if the IME told us not to. 3669 if ((event.getFlags() & KeyEvent.FLAG_KEEP_TOUCH_MODE) != 0) { 3670 return false; 3671 } 3672 3673 // If the key can be used for keyboard navigation then leave touch mode 3674 // and select a focused view if needed (in ensureTouchMode). 3675 // When a new focused view is selected, we consume the navigation key because 3676 // navigation doesn't make much sense unless a view already has focus so 3677 // the key's purpose is to set focus. 3678 if (isNavigationKey(event)) { 3679 return ensureTouchMode(false); 3680 } 3681 3682 // If the key can be used for typing then leave touch mode 3683 // and select a focused view if needed (in ensureTouchMode). 3684 // Always allow the view to process the typing key. 3685 if (isTypingKey(event)) { 3686 ensureTouchMode(false); 3687 return false; 3688 } 3689 3690 return false; 3691 } 3692 3693 private void deliverKeyEvent(QueuedInputEvent q) { 3694 final KeyEvent event = (KeyEvent)q.mEvent; 3695 if (mInputEventConsistencyVerifier != null) { 3696 mInputEventConsistencyVerifier.onKeyEvent(event, 0); 3697 } 3698 3699 if (mView != null && mAdded && (q.mFlags & QueuedInputEvent.FLAG_DELIVER_POST_IME) == 0) { 3700 if (LOCAL_LOGV) Log.v(TAG, "Dispatching key " + event + " to " + mView); 3701 3702 // Perform predispatching before the IME. 3703 if (mView.dispatchKeyEventPreIme(event)) { 3704 finishInputEvent(q, true); 3705 return; 3706 } 3707 3708 // Dispatch to the IME before propagating down the view hierarchy. 3709 // The IME will eventually call back into handleImeFinishedEvent. 3710 if (mLastWasImTarget) { 3711 InputMethodManager imm = InputMethodManager.peekInstance(); 3712 if (imm != null) { 3713 final int seq = event.getSequenceNumber(); 3714 if (DEBUG_IMF) Log.v(TAG, "Sending key event to IME: seq=" 3715 + seq + " event=" + event); 3716 imm.dispatchKeyEvent(mView.getContext(), seq, event, mInputMethodCallback); 3717 return; 3718 } 3719 } 3720 } 3721 3722 // Not dispatching to IME, continue with post IME actions. 3723 deliverKeyEventPostIme(q); 3724 } 3725 3726 void handleImeFinishedEvent(int seq, boolean handled) { 3727 final QueuedInputEvent q = mCurrentInputEvent; 3728 if (q != null && q.mEvent.getSequenceNumber() == seq) { 3729 if (DEBUG_IMF) { 3730 Log.v(TAG, "IME finished event: seq=" + seq 3731 + " handled=" + handled + " event=" + q); 3732 } 3733 if (handled) { 3734 finishInputEvent(q, true); 3735 } else { 3736 if (q.mEvent instanceof KeyEvent) { 3737 KeyEvent event = (KeyEvent)q.mEvent; 3738 if (event.getAction() != KeyEvent.ACTION_UP) { 3739 // If the window doesn't currently have input focus, then drop 3740 // this event. This could be an event that came back from the 3741 // IME dispatch but the window has lost focus in the meantime. 3742 if (!mAttachInfo.mHasWindowFocus) { 3743 Slog.w(TAG, "Dropping event due to no window focus: " + event); 3744 finishInputEvent(q, true); 3745 return; 3746 } 3747 } 3748 deliverKeyEventPostIme(q); 3749 } else { 3750 MotionEvent event = (MotionEvent)q.mEvent; 3751 if (event.getAction() != MotionEvent.ACTION_CANCEL 3752 && event.getAction() != MotionEvent.ACTION_UP) { 3753 // If the window doesn't currently have input focus, then drop 3754 // this event. This could be an event that came back from the 3755 // IME dispatch but the window has lost focus in the meantime. 3756 if (!mAttachInfo.mHasWindowFocus) { 3757 Slog.w(TAG, "Dropping event due to no window focus: " + event); 3758 finishInputEvent(q, true); 3759 return; 3760 } 3761 } 3762 final int source = q.mEvent.getSource(); 3763 if ((source & InputDevice.SOURCE_CLASS_TRACKBALL) != 0) { 3764 deliverTrackballEventPostIme(q); 3765 } else { 3766 deliverGenericMotionEventPostIme(q); 3767 } 3768 } 3769 } 3770 } else { 3771 if (DEBUG_IMF) { 3772 Log.v(TAG, "IME finished event: seq=" + seq 3773 + " handled=" + handled + ", event not found!"); 3774 } 3775 } 3776 } 3777 3778 private void deliverKeyEventPostIme(QueuedInputEvent q) { 3779 final KeyEvent event = (KeyEvent)q.mEvent; 3780 3781 // If the view went away, then the event will not be handled. 3782 if (mView == null || !mAdded) { 3783 finishInputEvent(q, false); 3784 return; 3785 } 3786 3787 // If the key's purpose is to exit touch mode then we consume it and consider it handled. 3788 if (checkForLeavingTouchModeAndConsume(event)) { 3789 finishInputEvent(q, true); 3790 return; 3791 } 3792 3793 // Make sure the fallback event policy sees all keys that will be delivered to the 3794 // view hierarchy. 3795 mFallbackEventHandler.preDispatchKeyEvent(event); 3796 3797 // Deliver the key to the view hierarchy. 3798 if (mView.dispatchKeyEvent(event)) { 3799 finishInputEvent(q, true); 3800 return; 3801 } 3802 3803 // If the Control modifier is held, try to interpret the key as a shortcut. 3804 if (event.getAction() == KeyEvent.ACTION_DOWN 3805 && event.isCtrlPressed() 3806 && event.getRepeatCount() == 0 3807 && !KeyEvent.isModifierKey(event.getKeyCode())) { 3808 if (mView.dispatchKeyShortcutEvent(event)) { 3809 finishInputEvent(q, true); 3810 return; 3811 } 3812 } 3813 3814 // Apply the fallback event policy. 3815 if (mFallbackEventHandler.dispatchKeyEvent(event)) { 3816 finishInputEvent(q, true); 3817 return; 3818 } 3819 3820 // Handle automatic focus changes. 3821 if (event.getAction() == KeyEvent.ACTION_DOWN) { 3822 int direction = 0; 3823 switch (event.getKeyCode()) { 3824 case KeyEvent.KEYCODE_DPAD_LEFT: 3825 if (event.hasNoModifiers()) { 3826 direction = View.FOCUS_LEFT; 3827 } 3828 break; 3829 case KeyEvent.KEYCODE_DPAD_RIGHT: 3830 if (event.hasNoModifiers()) { 3831 direction = View.FOCUS_RIGHT; 3832 } 3833 break; 3834 case KeyEvent.KEYCODE_DPAD_UP: 3835 if (event.hasNoModifiers()) { 3836 direction = View.FOCUS_UP; 3837 } 3838 break; 3839 case KeyEvent.KEYCODE_DPAD_DOWN: 3840 if (event.hasNoModifiers()) { 3841 direction = View.FOCUS_DOWN; 3842 } 3843 break; 3844 case KeyEvent.KEYCODE_TAB: 3845 if (event.hasNoModifiers()) { 3846 direction = View.FOCUS_FORWARD; 3847 } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) { 3848 direction = View.FOCUS_BACKWARD; 3849 } 3850 break; 3851 } 3852 if (direction != 0) { 3853 View focused = mView.findFocus(); 3854 if (focused != null) { 3855 View v = focused.focusSearch(direction); 3856 if (v != null && v != focused) { 3857 // do the math the get the interesting rect 3858 // of previous focused into the coord system of 3859 // newly focused view 3860 focused.getFocusedRect(mTempRect); 3861 if (mView instanceof ViewGroup) { 3862 ((ViewGroup) mView).offsetDescendantRectToMyCoords( 3863 focused, mTempRect); 3864 ((ViewGroup) mView).offsetRectIntoDescendantCoords( 3865 v, mTempRect); 3866 } 3867 if (v.requestFocus(direction, mTempRect)) { 3868 playSoundEffect(SoundEffectConstants 3869 .getContantForFocusDirection(direction)); 3870 finishInputEvent(q, true); 3871 return; 3872 } 3873 } 3874 3875 // Give the focused view a last chance to handle the dpad key. 3876 if (mView.dispatchUnhandledMove(focused, direction)) { 3877 finishInputEvent(q, true); 3878 return; 3879 } 3880 } 3881 } 3882 } 3883 3884 // Key was unhandled. 3885 finishInputEvent(q, false); 3886 } 3887 3888 /* drag/drop */ 3889 void setLocalDragState(Object obj) { 3890 mLocalDragState = obj; 3891 } 3892 3893 private void handleDragEvent(DragEvent event) { 3894 // From the root, only drag start/end/location are dispatched. entered/exited 3895 // are determined and dispatched by the viewgroup hierarchy, who then report 3896 // that back here for ultimate reporting back to the framework. 3897 if (mView != null && mAdded) { 3898 final int what = event.mAction; 3899 3900 if (what == DragEvent.ACTION_DRAG_EXITED) { 3901 // A direct EXITED event means that the window manager knows we've just crossed 3902 // a window boundary, so the current drag target within this one must have 3903 // just been exited. Send it the usual notifications and then we're done 3904 // for now. 3905 mView.dispatchDragEvent(event); 3906 } else { 3907 // Cache the drag description when the operation starts, then fill it in 3908 // on subsequent calls as a convenience 3909 if (what == DragEvent.ACTION_DRAG_STARTED) { 3910 mCurrentDragView = null; // Start the current-recipient tracking 3911 mDragDescription = event.mClipDescription; 3912 } else { 3913 event.mClipDescription = mDragDescription; 3914 } 3915 3916 // For events with a [screen] location, translate into window coordinates 3917 if ((what == DragEvent.ACTION_DRAG_LOCATION) || (what == DragEvent.ACTION_DROP)) { 3918 mDragPoint.set(event.mX, event.mY); 3919 if (mTranslator != null) { 3920 mTranslator.translatePointInScreenToAppWindow(mDragPoint); 3921 } 3922 3923 if (mCurScrollY != 0) { 3924 mDragPoint.offset(0, mCurScrollY); 3925 } 3926 3927 event.mX = mDragPoint.x; 3928 event.mY = mDragPoint.y; 3929 } 3930 3931 // Remember who the current drag target is pre-dispatch 3932 final View prevDragView = mCurrentDragView; 3933 3934 // Now dispatch the drag/drop event 3935 boolean result = mView.dispatchDragEvent(event); 3936 3937 // If we changed apparent drag target, tell the OS about it 3938 if (prevDragView != mCurrentDragView) { 3939 try { 3940 if (prevDragView != null) { 3941 mWindowSession.dragRecipientExited(mWindow); 3942 } 3943 if (mCurrentDragView != null) { 3944 mWindowSession.dragRecipientEntered(mWindow); 3945 } 3946 } catch (RemoteException e) { 3947 Slog.e(TAG, "Unable to note drag target change"); 3948 } 3949 } 3950 3951 // Report the drop result when we're done 3952 if (what == DragEvent.ACTION_DROP) { 3953 mDragDescription = null; 3954 try { 3955 Log.i(TAG, "Reporting drop result: " + result); 3956 mWindowSession.reportDropResult(mWindow, result); 3957 } catch (RemoteException e) { 3958 Log.e(TAG, "Unable to report drop result"); 3959 } 3960 } 3961 3962 // When the drag operation ends, release any local state object 3963 // that may have been in use 3964 if (what == DragEvent.ACTION_DRAG_ENDED) { 3965 setLocalDragState(null); 3966 } 3967 } 3968 } 3969 event.recycle(); 3970 } 3971 3972 public void handleDispatchSystemUiVisibilityChanged(SystemUiVisibilityInfo args) { 3973 if (mSeq != args.seq) { 3974 // The sequence has changed, so we need to update our value and make 3975 // sure to do a traversal afterward so the window manager is given our 3976 // most recent data. 3977 mSeq = args.seq; 3978 mAttachInfo.mForceReportNewAttributes = true; 3979 scheduleTraversals(); 3980 } 3981 if (mView == null) return; 3982 if (args.localChanges != 0) { 3983 mView.updateLocalSystemUiVisibility(args.localValue, args.localChanges); 3984 } 3985 if (mAttachInfo != null) { 3986 int visibility = args.globalVisibility&View.SYSTEM_UI_CLEARABLE_FLAGS; 3987 if (visibility != mAttachInfo.mGlobalSystemUiVisibility) { 3988 mAttachInfo.mGlobalSystemUiVisibility = visibility; 3989 mView.dispatchSystemUiVisibilityChanged(visibility); 3990 } 3991 } 3992 } 3993 3994 public void handleDispatchDoneAnimating() { 3995 if (mWindowsAnimating) { 3996 mWindowsAnimating = false; 3997 if (!mDirty.isEmpty() || mIsAnimating) { 3998 scheduleTraversals(); 3999 } 4000 } 4001 } 4002 4003 public void getLastTouchPoint(Point outLocation) { 4004 outLocation.x = (int) mLastTouchPoint.x; 4005 outLocation.y = (int) mLastTouchPoint.y; 4006 } 4007 4008 public void setDragFocus(View newDragTarget) { 4009 if (mCurrentDragView != newDragTarget) { 4010 mCurrentDragView = newDragTarget; 4011 } 4012 } 4013 4014 private AudioManager getAudioManager() { 4015 if (mView == null) { 4016 throw new IllegalStateException("getAudioManager called when there is no mView"); 4017 } 4018 if (mAudioManager == null) { 4019 mAudioManager = (AudioManager) mView.getContext().getSystemService(Context.AUDIO_SERVICE); 4020 } 4021 return mAudioManager; 4022 } 4023 4024 public AccessibilityInteractionController getAccessibilityInteractionController() { 4025 if (mView == null) { 4026 throw new IllegalStateException("getAccessibilityInteractionController" 4027 + " called when there is no mView"); 4028 } 4029 if (mAccessibilityInteractionController == null) { 4030 mAccessibilityInteractionController = new AccessibilityInteractionController(this); 4031 } 4032 return mAccessibilityInteractionController; 4033 } 4034 4035 private int relayoutWindow(WindowManager.LayoutParams params, int viewVisibility, 4036 boolean insetsPending) throws RemoteException { 4037 4038 float appScale = mAttachInfo.mApplicationScale; 4039 boolean restore = false; 4040 if (params != null && mTranslator != null) { 4041 restore = true; 4042 params.backup(); 4043 mTranslator.translateWindowLayout(params); 4044 } 4045 if (params != null) { 4046 if (DBG) Log.d(TAG, "WindowLayout in layoutWindow:" + params); 4047 } 4048 mPendingConfiguration.seq = 0; 4049 //Log.d(TAG, ">>>>>> CALLING relayout"); 4050 if (params != null && mOrigWindowType != params.type) { 4051 // For compatibility with old apps, don't crash here. 4052 if (mTargetSdkVersion < android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 4053 Slog.w(TAG, "Window type can not be changed after " 4054 + "the window is added; ignoring change of " + mView); 4055 params.type = mOrigWindowType; 4056 } 4057 } 4058 int relayoutResult = mWindowSession.relayout( 4059 mWindow, mSeq, params, 4060 (int) (mView.getMeasuredWidth() * appScale + 0.5f), 4061 (int) (mView.getMeasuredHeight() * appScale + 0.5f), 4062 viewVisibility, insetsPending ? WindowManagerGlobal.RELAYOUT_INSETS_PENDING : 0, 4063 mWinFrame, mPendingContentInsets, mPendingVisibleInsets, 4064 mPendingConfiguration, mSurface); 4065 //Log.d(TAG, "<<<<<< BACK FROM relayout"); 4066 if (restore) { 4067 params.restore(); 4068 } 4069 4070 if (mTranslator != null) { 4071 mTranslator.translateRectInScreenToAppWinFrame(mWinFrame); 4072 mTranslator.translateRectInScreenToAppWindow(mPendingContentInsets); 4073 mTranslator.translateRectInScreenToAppWindow(mPendingVisibleInsets); 4074 } 4075 return relayoutResult; 4076 } 4077 4078 /** 4079 * {@inheritDoc} 4080 */ 4081 public void playSoundEffect(int effectId) { 4082 checkThread(); 4083 4084 try { 4085 final AudioManager audioManager = getAudioManager(); 4086 4087 switch (effectId) { 4088 case SoundEffectConstants.CLICK: 4089 audioManager.playSoundEffect(AudioManager.FX_KEY_CLICK); 4090 return; 4091 case SoundEffectConstants.NAVIGATION_DOWN: 4092 audioManager.playSoundEffect(AudioManager.FX_FOCUS_NAVIGATION_DOWN); 4093 return; 4094 case SoundEffectConstants.NAVIGATION_LEFT: 4095 audioManager.playSoundEffect(AudioManager.FX_FOCUS_NAVIGATION_LEFT); 4096 return; 4097 case SoundEffectConstants.NAVIGATION_RIGHT: 4098 audioManager.playSoundEffect(AudioManager.FX_FOCUS_NAVIGATION_RIGHT); 4099 return; 4100 case SoundEffectConstants.NAVIGATION_UP: 4101 audioManager.playSoundEffect(AudioManager.FX_FOCUS_NAVIGATION_UP); 4102 return; 4103 default: 4104 throw new IllegalArgumentException("unknown effect id " + effectId + 4105 " not defined in " + SoundEffectConstants.class.getCanonicalName()); 4106 } 4107 } catch (IllegalStateException e) { 4108 // Exception thrown by getAudioManager() when mView is null 4109 Log.e(TAG, "FATAL EXCEPTION when attempting to play sound effect: " + e); 4110 e.printStackTrace(); 4111 } 4112 } 4113 4114 /** 4115 * {@inheritDoc} 4116 */ 4117 public boolean performHapticFeedback(int effectId, boolean always) { 4118 try { 4119 return mWindowSession.performHapticFeedback(mWindow, effectId, always); 4120 } catch (RemoteException e) { 4121 return false; 4122 } 4123 } 4124 4125 /** 4126 * {@inheritDoc} 4127 */ 4128 public View focusSearch(View focused, int direction) { 4129 checkThread(); 4130 if (!(mView instanceof ViewGroup)) { 4131 return null; 4132 } 4133 return FocusFinder.getInstance().findNextFocus((ViewGroup) mView, focused, direction); 4134 } 4135 4136 public void debug() { 4137 mView.debug(); 4138 } 4139 4140 public void dumpGfxInfo(int[] info) { 4141 info[0] = info[1] = 0; 4142 if (mView != null) { 4143 getGfxInfo(mView, info); 4144 } 4145 } 4146 4147 private static void getGfxInfo(View view, int[] info) { 4148 DisplayList displayList = view.mDisplayList; 4149 info[0]++; 4150 if (displayList != null) { 4151 info[1] += displayList.getSize(); 4152 } 4153 4154 if (view instanceof ViewGroup) { 4155 ViewGroup group = (ViewGroup) view; 4156 4157 int count = group.getChildCount(); 4158 for (int i = 0; i < count; i++) { 4159 getGfxInfo(group.getChildAt(i), info); 4160 } 4161 } 4162 } 4163 4164 public void die(boolean immediate) { 4165 // Make sure we do execute immediately if we are in the middle of a traversal or the damage 4166 // done by dispatchDetachedFromWindow will cause havoc on return. 4167 if (immediate && !mIsInTraversal) { 4168 doDie(); 4169 } else { 4170 if (!mIsDrawing) { 4171 destroyHardwareRenderer(); 4172 } else { 4173 Log.e(TAG, "Attempting to destroy the window while drawing!\n" + 4174 " window=" + this + ", title=" + mWindowAttributes.getTitle()); 4175 } 4176 mHandler.sendEmptyMessage(MSG_DIE); 4177 } 4178 } 4179 4180 void doDie() { 4181 checkThread(); 4182 if (LOCAL_LOGV) Log.v(TAG, "DIE in " + this + " of " + mSurface); 4183 synchronized (this) { 4184 if (mAdded) { 4185 dispatchDetachedFromWindow(); 4186 } 4187 4188 if (mAdded && !mFirst) { 4189 invalidateDisplayLists(); 4190 destroyHardwareRenderer(); 4191 4192 if (mView != null) { 4193 int viewVisibility = mView.getVisibility(); 4194 boolean viewVisibilityChanged = mViewVisibility != viewVisibility; 4195 if (mWindowAttributesChanged || viewVisibilityChanged) { 4196 // If layout params have been changed, first give them 4197 // to the window manager to make sure it has the correct 4198 // animation info. 4199 try { 4200 if ((relayoutWindow(mWindowAttributes, viewVisibility, false) 4201 & WindowManagerGlobal.RELAYOUT_RES_FIRST_TIME) != 0) { 4202 mWindowSession.finishDrawing(mWindow); 4203 } 4204 } catch (RemoteException e) { 4205 } 4206 } 4207 4208 mSurface.release(); 4209 } 4210 } 4211 4212 mAdded = false; 4213 } 4214 } 4215 4216 public void requestUpdateConfiguration(Configuration config) { 4217 Message msg = mHandler.obtainMessage(MSG_UPDATE_CONFIGURATION, config); 4218 mHandler.sendMessage(msg); 4219 } 4220 4221 public void loadSystemProperties() { 4222 mHandler.post(new Runnable() { 4223 @Override 4224 public void run() { 4225 // Profiling 4226 mProfileRendering = SystemProperties.getBoolean(PROPERTY_PROFILE_RENDERING, false); 4227 profileRendering(mAttachInfo.mHasWindowFocus); 4228 4229 // Hardware rendering 4230 if (mAttachInfo.mHardwareRenderer != null) { 4231 if (mAttachInfo.mHardwareRenderer.loadSystemProperties(mHolder.getSurface())) { 4232 invalidate(); 4233 } 4234 } 4235 4236 // Layout debugging 4237 boolean layout = SystemProperties.getBoolean(View.DEBUG_LAYOUT_PROPERTY, false); 4238 if (layout != mAttachInfo.mDebugLayout) { 4239 mAttachInfo.mDebugLayout = layout; 4240 if (!mHandler.hasMessages(MSG_INVALIDATE_WORLD)) { 4241 mHandler.sendEmptyMessageDelayed(MSG_INVALIDATE_WORLD, 200); 4242 } 4243 } 4244 } 4245 }); 4246 } 4247 4248 private void destroyHardwareRenderer() { 4249 AttachInfo attachInfo = mAttachInfo; 4250 HardwareRenderer hardwareRenderer = attachInfo.mHardwareRenderer; 4251 4252 if (hardwareRenderer != null) { 4253 if (mView != null) { 4254 hardwareRenderer.destroyHardwareResources(mView); 4255 } 4256 hardwareRenderer.destroy(true); 4257 hardwareRenderer.setRequested(false); 4258 4259 attachInfo.mHardwareRenderer = null; 4260 attachInfo.mHardwareAccelerated = false; 4261 } 4262 } 4263 4264 void dispatchImeFinishedEvent(int seq, boolean handled) { 4265 Message msg = mHandler.obtainMessage(MSG_IME_FINISHED_EVENT); 4266 msg.arg1 = seq; 4267 msg.arg2 = handled ? 1 : 0; 4268 msg.setAsynchronous(true); 4269 mHandler.sendMessage(msg); 4270 } 4271 4272 public void dispatchFinishInputConnection(InputConnection connection) { 4273 Message msg = mHandler.obtainMessage(MSG_FINISH_INPUT_CONNECTION, connection); 4274 mHandler.sendMessage(msg); 4275 } 4276 4277 public void dispatchResized(Rect frame, Rect contentInsets, 4278 Rect visibleInsets, boolean reportDraw, Configuration newConfig) { 4279 if (DEBUG_LAYOUT) Log.v(TAG, "Resizing " + this + ": frame=" + frame.toShortString() 4280 + " contentInsets=" + contentInsets.toShortString() 4281 + " visibleInsets=" + visibleInsets.toShortString() 4282 + " reportDraw=" + reportDraw); 4283 Message msg = mHandler.obtainMessage(reportDraw ? MSG_RESIZED_REPORT : MSG_RESIZED); 4284 if (mTranslator != null) { 4285 mTranslator.translateRectInScreenToAppWindow(frame); 4286 mTranslator.translateRectInScreenToAppWindow(contentInsets); 4287 mTranslator.translateRectInScreenToAppWindow(visibleInsets); 4288 } 4289 SomeArgs args = SomeArgs.obtain(); 4290 final boolean sameProcessCall = (Binder.getCallingPid() == android.os.Process.myPid()); 4291 args.arg1 = sameProcessCall ? new Rect(frame) : frame; 4292 args.arg2 = sameProcessCall ? new Rect(contentInsets) : contentInsets; 4293 args.arg3 = sameProcessCall ? new Rect(visibleInsets) : visibleInsets; 4294 args.arg4 = sameProcessCall && newConfig != null ? new Configuration(newConfig) : newConfig; 4295 msg.obj = args; 4296 mHandler.sendMessage(msg); 4297 } 4298 4299 public void dispatchMoved(int newX, int newY) { 4300 if (DEBUG_LAYOUT) Log.v(TAG, "Window moved " + this + ": newX=" + newX + " newY=" + newY); 4301 if (mTranslator != null) { 4302 PointF point = new PointF(newX, newY); 4303 mTranslator.translatePointInScreenToAppWindow(point); 4304 newX = (int) (point.x + 0.5); 4305 newY = (int) (point.y + 0.5); 4306 } 4307 Message msg = mHandler.obtainMessage(MSG_WINDOW_MOVED, newX, newY); 4308 mHandler.sendMessage(msg); 4309 } 4310 4311 /** 4312 * Represents a pending input event that is waiting in a queue. 4313 * 4314 * Input events are processed in serial order by the timestamp specified by 4315 * {@link InputEvent#getEventTimeNano()}. In general, the input dispatcher delivers 4316 * one input event to the application at a time and waits for the application 4317 * to finish handling it before delivering the next one. 4318 * 4319 * However, because the application or IME can synthesize and inject multiple 4320 * key events at a time without going through the input dispatcher, we end up 4321 * needing a queue on the application's side. 4322 */ 4323 private static final class QueuedInputEvent { 4324 public static final int FLAG_DELIVER_POST_IME = 1; 4325 4326 public QueuedInputEvent mNext; 4327 4328 public InputEvent mEvent; 4329 public InputEventReceiver mReceiver; 4330 public int mFlags; 4331 } 4332 4333 private QueuedInputEvent obtainQueuedInputEvent(InputEvent event, 4334 InputEventReceiver receiver, int flags) { 4335 QueuedInputEvent q = mQueuedInputEventPool; 4336 if (q != null) { 4337 mQueuedInputEventPoolSize -= 1; 4338 mQueuedInputEventPool = q.mNext; 4339 q.mNext = null; 4340 } else { 4341 q = new QueuedInputEvent(); 4342 } 4343 4344 q.mEvent = event; 4345 q.mReceiver = receiver; 4346 q.mFlags = flags; 4347 return q; 4348 } 4349 4350 private void recycleQueuedInputEvent(QueuedInputEvent q) { 4351 q.mEvent = null; 4352 q.mReceiver = null; 4353 4354 if (mQueuedInputEventPoolSize < MAX_QUEUED_INPUT_EVENT_POOL_SIZE) { 4355 mQueuedInputEventPoolSize += 1; 4356 q.mNext = mQueuedInputEventPool; 4357 mQueuedInputEventPool = q; 4358 } 4359 } 4360 4361 void enqueueInputEvent(InputEvent event) { 4362 enqueueInputEvent(event, null, 0, false); 4363 } 4364 4365 void enqueueInputEvent(InputEvent event, 4366 InputEventReceiver receiver, int flags, boolean processImmediately) { 4367 QueuedInputEvent q = obtainQueuedInputEvent(event, receiver, flags); 4368 4369 // Always enqueue the input event in order, regardless of its time stamp. 4370 // We do this because the application or the IME may inject key events 4371 // in response to touch events and we want to ensure that the injected keys 4372 // are processed in the order they were received and we cannot trust that 4373 // the time stamp of injected events are monotonic. 4374 QueuedInputEvent last = mFirstPendingInputEvent; 4375 if (last == null) { 4376 mFirstPendingInputEvent = q; 4377 } else { 4378 while (last.mNext != null) { 4379 last = last.mNext; 4380 } 4381 last.mNext = q; 4382 } 4383 4384 if (processImmediately) { 4385 doProcessInputEvents(); 4386 } else { 4387 scheduleProcessInputEvents(); 4388 } 4389 } 4390 4391 private void scheduleProcessInputEvents() { 4392 if (!mProcessInputEventsScheduled) { 4393 mProcessInputEventsScheduled = true; 4394 Message msg = mHandler.obtainMessage(MSG_PROCESS_INPUT_EVENTS); 4395 msg.setAsynchronous(true); 4396 mHandler.sendMessage(msg); 4397 } 4398 } 4399 4400 void doProcessInputEvents() { 4401 while (mCurrentInputEvent == null && mFirstPendingInputEvent != null) { 4402 QueuedInputEvent q = mFirstPendingInputEvent; 4403 mFirstPendingInputEvent = q.mNext; 4404 q.mNext = null; 4405 mCurrentInputEvent = q; 4406 deliverInputEvent(q); 4407 } 4408 4409 // We are done processing all input events that we can process right now 4410 // so we can clear the pending flag immediately. 4411 if (mProcessInputEventsScheduled) { 4412 mProcessInputEventsScheduled = false; 4413 mHandler.removeMessages(MSG_PROCESS_INPUT_EVENTS); 4414 } 4415 } 4416 4417 private void finishInputEvent(QueuedInputEvent q, boolean handled) { 4418 if (q != mCurrentInputEvent) { 4419 throw new IllegalStateException("finished input event out of order"); 4420 } 4421 4422 if (q.mReceiver != null) { 4423 q.mReceiver.finishInputEvent(q.mEvent, handled); 4424 } else { 4425 q.mEvent.recycleIfNeededAfterDispatch(); 4426 } 4427 4428 recycleQueuedInputEvent(q); 4429 4430 mCurrentInputEvent = null; 4431 if (mFirstPendingInputEvent != null) { 4432 scheduleProcessInputEvents(); 4433 } 4434 } 4435 4436 void scheduleConsumeBatchedInput() { 4437 if (!mConsumeBatchedInputScheduled) { 4438 mConsumeBatchedInputScheduled = true; 4439 mChoreographer.postCallback(Choreographer.CALLBACK_INPUT, 4440 mConsumedBatchedInputRunnable, null); 4441 } 4442 } 4443 4444 void unscheduleConsumeBatchedInput() { 4445 if (mConsumeBatchedInputScheduled) { 4446 mConsumeBatchedInputScheduled = false; 4447 mChoreographer.removeCallbacks(Choreographer.CALLBACK_INPUT, 4448 mConsumedBatchedInputRunnable, null); 4449 } 4450 } 4451 4452 void doConsumeBatchedInput(long frameTimeNanos) { 4453 if (mConsumeBatchedInputScheduled) { 4454 mConsumeBatchedInputScheduled = false; 4455 if (mInputEventReceiver != null) { 4456 mInputEventReceiver.consumeBatchedInputEvents(frameTimeNanos); 4457 } 4458 doProcessInputEvents(); 4459 } 4460 } 4461 4462 final class TraversalRunnable implements Runnable { 4463 @Override 4464 public void run() { 4465 doTraversal(); 4466 } 4467 } 4468 final TraversalRunnable mTraversalRunnable = new TraversalRunnable(); 4469 4470 final class WindowInputEventReceiver extends InputEventReceiver { 4471 public WindowInputEventReceiver(InputChannel inputChannel, Looper looper) { 4472 super(inputChannel, looper); 4473 } 4474 4475 @Override 4476 public void onInputEvent(InputEvent event) { 4477 enqueueInputEvent(event, this, 0, true); 4478 } 4479 4480 @Override 4481 public void onBatchedInputEventPending() { 4482 scheduleConsumeBatchedInput(); 4483 } 4484 4485 @Override 4486 public void dispose() { 4487 unscheduleConsumeBatchedInput(); 4488 super.dispose(); 4489 } 4490 } 4491 WindowInputEventReceiver mInputEventReceiver; 4492 4493 final class ConsumeBatchedInputRunnable implements Runnable { 4494 @Override 4495 public void run() { 4496 doConsumeBatchedInput(mChoreographer.getFrameTimeNanos()); 4497 } 4498 } 4499 final ConsumeBatchedInputRunnable mConsumedBatchedInputRunnable = 4500 new ConsumeBatchedInputRunnable(); 4501 boolean mConsumeBatchedInputScheduled; 4502 4503 final class InvalidateOnAnimationRunnable implements Runnable { 4504 private boolean mPosted; 4505 private ArrayList<View> mViews = new ArrayList<View>(); 4506 private ArrayList<AttachInfo.InvalidateInfo> mViewRects = 4507 new ArrayList<AttachInfo.InvalidateInfo>(); 4508 private View[] mTempViews; 4509 private AttachInfo.InvalidateInfo[] mTempViewRects; 4510 4511 public void addView(View view) { 4512 synchronized (this) { 4513 mViews.add(view); 4514 postIfNeededLocked(); 4515 } 4516 } 4517 4518 public void addViewRect(AttachInfo.InvalidateInfo info) { 4519 synchronized (this) { 4520 mViewRects.add(info); 4521 postIfNeededLocked(); 4522 } 4523 } 4524 4525 public void removeView(View view) { 4526 synchronized (this) { 4527 mViews.remove(view); 4528 4529 for (int i = mViewRects.size(); i-- > 0; ) { 4530 AttachInfo.InvalidateInfo info = mViewRects.get(i); 4531 if (info.target == view) { 4532 mViewRects.remove(i); 4533 info.recycle(); 4534 } 4535 } 4536 4537 if (mPosted && mViews.isEmpty() && mViewRects.isEmpty()) { 4538 mChoreographer.removeCallbacks(Choreographer.CALLBACK_ANIMATION, this, null); 4539 mPosted = false; 4540 } 4541 } 4542 } 4543 4544 @Override 4545 public void run() { 4546 final int viewCount; 4547 final int viewRectCount; 4548 synchronized (this) { 4549 mPosted = false; 4550 4551 viewCount = mViews.size(); 4552 if (viewCount != 0) { 4553 mTempViews = mViews.toArray(mTempViews != null 4554 ? mTempViews : new View[viewCount]); 4555 mViews.clear(); 4556 } 4557 4558 viewRectCount = mViewRects.size(); 4559 if (viewRectCount != 0) { 4560 mTempViewRects = mViewRects.toArray(mTempViewRects != null 4561 ? mTempViewRects : new AttachInfo.InvalidateInfo[viewRectCount]); 4562 mViewRects.clear(); 4563 } 4564 } 4565 4566 for (int i = 0; i < viewCount; i++) { 4567 mTempViews[i].invalidate(); 4568 mTempViews[i] = null; 4569 } 4570 4571 for (int i = 0; i < viewRectCount; i++) { 4572 final View.AttachInfo.InvalidateInfo info = mTempViewRects[i]; 4573 info.target.invalidate(info.left, info.top, info.right, info.bottom); 4574 info.recycle(); 4575 } 4576 } 4577 4578 private void postIfNeededLocked() { 4579 if (!mPosted) { 4580 mChoreographer.postCallback(Choreographer.CALLBACK_ANIMATION, this, null); 4581 mPosted = true; 4582 } 4583 } 4584 } 4585 final InvalidateOnAnimationRunnable mInvalidateOnAnimationRunnable = 4586 new InvalidateOnAnimationRunnable(); 4587 4588 public void dispatchInvalidateDelayed(View view, long delayMilliseconds) { 4589 Message msg = mHandler.obtainMessage(MSG_INVALIDATE, view); 4590 mHandler.sendMessageDelayed(msg, delayMilliseconds); 4591 } 4592 4593 public void dispatchInvalidateRectDelayed(AttachInfo.InvalidateInfo info, 4594 long delayMilliseconds) { 4595 final Message msg = mHandler.obtainMessage(MSG_INVALIDATE_RECT, info); 4596 mHandler.sendMessageDelayed(msg, delayMilliseconds); 4597 } 4598 4599 public void dispatchInvalidateOnAnimation(View view) { 4600 mInvalidateOnAnimationRunnable.addView(view); 4601 } 4602 4603 public void dispatchInvalidateRectOnAnimation(AttachInfo.InvalidateInfo info) { 4604 mInvalidateOnAnimationRunnable.addViewRect(info); 4605 } 4606 4607 public void enqueueDisplayList(DisplayList displayList) { 4608 mDisplayLists.add(displayList); 4609 } 4610 4611 public void cancelInvalidate(View view) { 4612 mHandler.removeMessages(MSG_INVALIDATE, view); 4613 // fixme: might leak the AttachInfo.InvalidateInfo objects instead of returning 4614 // them to the pool 4615 mHandler.removeMessages(MSG_INVALIDATE_RECT, view); 4616 mInvalidateOnAnimationRunnable.removeView(view); 4617 } 4618 4619 public void dispatchKey(KeyEvent event) { 4620 Message msg = mHandler.obtainMessage(MSG_DISPATCH_KEY, event); 4621 msg.setAsynchronous(true); 4622 mHandler.sendMessage(msg); 4623 } 4624 4625 public void dispatchKeyFromIme(KeyEvent event) { 4626 Message msg = mHandler.obtainMessage(MSG_DISPATCH_KEY_FROM_IME, event); 4627 msg.setAsynchronous(true); 4628 mHandler.sendMessage(msg); 4629 } 4630 4631 public void dispatchUnhandledKey(KeyEvent event) { 4632 if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) { 4633 final KeyCharacterMap kcm = event.getKeyCharacterMap(); 4634 final int keyCode = event.getKeyCode(); 4635 final int metaState = event.getMetaState(); 4636 4637 // Check for fallback actions specified by the key character map. 4638 KeyCharacterMap.FallbackAction fallbackAction = 4639 kcm.getFallbackAction(keyCode, metaState); 4640 if (fallbackAction != null) { 4641 final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK; 4642 KeyEvent fallbackEvent = KeyEvent.obtain( 4643 event.getDownTime(), event.getEventTime(), 4644 event.getAction(), fallbackAction.keyCode, 4645 event.getRepeatCount(), fallbackAction.metaState, 4646 event.getDeviceId(), event.getScanCode(), 4647 flags, event.getSource(), null); 4648 fallbackAction.recycle(); 4649 4650 dispatchKey(fallbackEvent); 4651 } 4652 } 4653 } 4654 4655 public void dispatchAppVisibility(boolean visible) { 4656 Message msg = mHandler.obtainMessage(MSG_DISPATCH_APP_VISIBILITY); 4657 msg.arg1 = visible ? 1 : 0; 4658 mHandler.sendMessage(msg); 4659 } 4660 4661 public void dispatchScreenStateChange(boolean on) { 4662 Message msg = mHandler.obtainMessage(MSG_DISPATCH_SCREEN_STATE); 4663 msg.arg1 = on ? 1 : 0; 4664 mHandler.sendMessage(msg); 4665 } 4666 4667 public void dispatchGetNewSurface() { 4668 Message msg = mHandler.obtainMessage(MSG_DISPATCH_GET_NEW_SURFACE); 4669 mHandler.sendMessage(msg); 4670 } 4671 4672 public void windowFocusChanged(boolean hasFocus, boolean inTouchMode) { 4673 Message msg = Message.obtain(); 4674 msg.what = MSG_WINDOW_FOCUS_CHANGED; 4675 msg.arg1 = hasFocus ? 1 : 0; 4676 msg.arg2 = inTouchMode ? 1 : 0; 4677 mHandler.sendMessage(msg); 4678 } 4679 4680 public void dispatchCloseSystemDialogs(String reason) { 4681 Message msg = Message.obtain(); 4682 msg.what = MSG_CLOSE_SYSTEM_DIALOGS; 4683 msg.obj = reason; 4684 mHandler.sendMessage(msg); 4685 } 4686 4687 public void dispatchDragEvent(DragEvent event) { 4688 final int what; 4689 if (event.getAction() == DragEvent.ACTION_DRAG_LOCATION) { 4690 what = MSG_DISPATCH_DRAG_LOCATION_EVENT; 4691 mHandler.removeMessages(what); 4692 } else { 4693 what = MSG_DISPATCH_DRAG_EVENT; 4694 } 4695 Message msg = mHandler.obtainMessage(what, event); 4696 mHandler.sendMessage(msg); 4697 } 4698 4699 public void dispatchSystemUiVisibilityChanged(int seq, int globalVisibility, 4700 int localValue, int localChanges) { 4701 SystemUiVisibilityInfo args = new SystemUiVisibilityInfo(); 4702 args.seq = seq; 4703 args.globalVisibility = globalVisibility; 4704 args.localValue = localValue; 4705 args.localChanges = localChanges; 4706 mHandler.sendMessage(mHandler.obtainMessage(MSG_DISPATCH_SYSTEM_UI_VISIBILITY, args)); 4707 } 4708 4709 public void dispatchDoneAnimating() { 4710 mHandler.sendEmptyMessage(MSG_DISPATCH_DONE_ANIMATING); 4711 } 4712 4713 public void dispatchCheckFocus() { 4714 if (!mHandler.hasMessages(MSG_CHECK_FOCUS)) { 4715 // This will result in a call to checkFocus() below. 4716 mHandler.sendEmptyMessage(MSG_CHECK_FOCUS); 4717 } 4718 } 4719 4720 /** 4721 * Post a callback to send a 4722 * {@link AccessibilityEvent#TYPE_WINDOW_CONTENT_CHANGED} event. 4723 * This event is send at most once every 4724 * {@link ViewConfiguration#getSendRecurringAccessibilityEventsInterval()}. 4725 */ 4726 private void postSendWindowContentChangedCallback(View source) { 4727 if (mSendWindowContentChangedAccessibilityEvent == null) { 4728 mSendWindowContentChangedAccessibilityEvent = 4729 new SendWindowContentChangedAccessibilityEvent(); 4730 } 4731 View oldSource = mSendWindowContentChangedAccessibilityEvent.mSource; 4732 if (oldSource == null) { 4733 mSendWindowContentChangedAccessibilityEvent.mSource = source; 4734 mHandler.postDelayed(mSendWindowContentChangedAccessibilityEvent, 4735 ViewConfiguration.getSendRecurringAccessibilityEventsInterval()); 4736 } else { 4737 mSendWindowContentChangedAccessibilityEvent.mSource = 4738 getCommonPredecessor(oldSource, source); 4739 } 4740 } 4741 4742 /** 4743 * Remove a posted callback to send a 4744 * {@link AccessibilityEvent#TYPE_WINDOW_CONTENT_CHANGED} event. 4745 */ 4746 private void removeSendWindowContentChangedCallback() { 4747 if (mSendWindowContentChangedAccessibilityEvent != null) { 4748 mHandler.removeCallbacks(mSendWindowContentChangedAccessibilityEvent); 4749 } 4750 } 4751 4752 public boolean showContextMenuForChild(View originalView) { 4753 return false; 4754 } 4755 4756 public ActionMode startActionModeForChild(View originalView, ActionMode.Callback callback) { 4757 return null; 4758 } 4759 4760 public void createContextMenu(ContextMenu menu) { 4761 } 4762 4763 public void childDrawableStateChanged(View child) { 4764 } 4765 4766 public boolean requestSendAccessibilityEvent(View child, AccessibilityEvent event) { 4767 if (mView == null) { 4768 return false; 4769 } 4770 // Intercept accessibility focus events fired by virtual nodes to keep 4771 // track of accessibility focus position in such nodes. 4772 final int eventType = event.getEventType(); 4773 switch (eventType) { 4774 case AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED: { 4775 final long sourceNodeId = event.getSourceNodeId(); 4776 final int accessibilityViewId = AccessibilityNodeInfo.getAccessibilityViewId( 4777 sourceNodeId); 4778 View source = mView.findViewByAccessibilityId(accessibilityViewId); 4779 if (source != null) { 4780 AccessibilityNodeProvider provider = source.getAccessibilityNodeProvider(); 4781 if (provider != null) { 4782 AccessibilityNodeInfo node = provider.createAccessibilityNodeInfo( 4783 AccessibilityNodeInfo.getVirtualDescendantId(sourceNodeId)); 4784 setAccessibilityFocus(source, node); 4785 } 4786 } 4787 } break; 4788 case AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED: { 4789 final long sourceNodeId = event.getSourceNodeId(); 4790 final int accessibilityViewId = AccessibilityNodeInfo.getAccessibilityViewId( 4791 sourceNodeId); 4792 View source = mView.findViewByAccessibilityId(accessibilityViewId); 4793 if (source != null) { 4794 AccessibilityNodeProvider provider = source.getAccessibilityNodeProvider(); 4795 if (provider != null) { 4796 setAccessibilityFocus(null, null); 4797 } 4798 } 4799 } break; 4800 } 4801 mAccessibilityManager.sendAccessibilityEvent(event); 4802 return true; 4803 } 4804 4805 @Override 4806 public void childAccessibilityStateChanged(View child) { 4807 postSendWindowContentChangedCallback(child); 4808 } 4809 4810 private View getCommonPredecessor(View first, View second) { 4811 if (mAttachInfo != null) { 4812 if (mTempHashSet == null) { 4813 mTempHashSet = new HashSet<View>(); 4814 } 4815 HashSet<View> seen = mTempHashSet; 4816 seen.clear(); 4817 View firstCurrent = first; 4818 while (firstCurrent != null) { 4819 seen.add(firstCurrent); 4820 ViewParent firstCurrentParent = firstCurrent.mParent; 4821 if (firstCurrentParent instanceof View) { 4822 firstCurrent = (View) firstCurrentParent; 4823 } else { 4824 firstCurrent = null; 4825 } 4826 } 4827 View secondCurrent = second; 4828 while (secondCurrent != null) { 4829 if (seen.contains(secondCurrent)) { 4830 seen.clear(); 4831 return secondCurrent; 4832 } 4833 ViewParent secondCurrentParent = secondCurrent.mParent; 4834 if (secondCurrentParent instanceof View) { 4835 secondCurrent = (View) secondCurrentParent; 4836 } else { 4837 secondCurrent = null; 4838 } 4839 } 4840 seen.clear(); 4841 } 4842 return null; 4843 } 4844 4845 void checkThread() { 4846 if (mThread != Thread.currentThread()) { 4847 throw new CalledFromWrongThreadException( 4848 "Only the original thread that created a view hierarchy can touch its views."); 4849 } 4850 } 4851 4852 public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) { 4853 // ViewAncestor never intercepts touch event, so this can be a no-op 4854 } 4855 4856 public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) { 4857 final boolean scrolled = scrollToRectOrFocus(rectangle, immediate); 4858 if (rectangle != null) { 4859 mTempRect.set(rectangle); 4860 mTempRect.offset(0, -mCurScrollY); 4861 mTempRect.offset(mAttachInfo.mWindowLeft, mAttachInfo.mWindowTop); 4862 try { 4863 mWindowSession.onRectangleOnScreenRequested(mWindow, mTempRect, immediate); 4864 } catch (RemoteException re) { 4865 /* ignore */ 4866 } 4867 } 4868 return scrolled; 4869 } 4870 4871 public void childHasTransientStateChanged(View child, boolean hasTransientState) { 4872 // Do nothing. 4873 } 4874 4875 class TakenSurfaceHolder extends BaseSurfaceHolder { 4876 @Override 4877 public boolean onAllowLockCanvas() { 4878 return mDrawingAllowed; 4879 } 4880 4881 @Override 4882 public void onRelayoutContainer() { 4883 // Not currently interesting -- from changing between fixed and layout size. 4884 } 4885 4886 public void setFormat(int format) { 4887 ((RootViewSurfaceTaker)mView).setSurfaceFormat(format); 4888 } 4889 4890 public void setType(int type) { 4891 ((RootViewSurfaceTaker)mView).setSurfaceType(type); 4892 } 4893 4894 @Override 4895 public void onUpdateSurface() { 4896 // We take care of format and type changes on our own. 4897 throw new IllegalStateException("Shouldn't be here"); 4898 } 4899 4900 public boolean isCreating() { 4901 return mIsCreating; 4902 } 4903 4904 @Override 4905 public void setFixedSize(int width, int height) { 4906 throw new UnsupportedOperationException( 4907 "Currently only support sizing from layout"); 4908 } 4909 4910 public void setKeepScreenOn(boolean screenOn) { 4911 ((RootViewSurfaceTaker)mView).setSurfaceKeepScreenOn(screenOn); 4912 } 4913 } 4914 4915 static final class InputMethodCallback implements InputMethodManager.FinishedEventCallback { 4916 private WeakReference<ViewRootImpl> mViewAncestor; 4917 4918 public InputMethodCallback(ViewRootImpl viewAncestor) { 4919 mViewAncestor = new WeakReference<ViewRootImpl>(viewAncestor); 4920 } 4921 4922 @Override 4923 public void finishedEvent(int seq, boolean handled) { 4924 final ViewRootImpl viewAncestor = mViewAncestor.get(); 4925 if (viewAncestor != null) { 4926 viewAncestor.dispatchImeFinishedEvent(seq, handled); 4927 } 4928 } 4929 } 4930 4931 static class W extends IWindow.Stub { 4932 private final WeakReference<ViewRootImpl> mViewAncestor; 4933 private final IWindowSession mWindowSession; 4934 4935 W(ViewRootImpl viewAncestor) { 4936 mViewAncestor = new WeakReference<ViewRootImpl>(viewAncestor); 4937 mWindowSession = viewAncestor.mWindowSession; 4938 } 4939 4940 public void resized(Rect frame, Rect contentInsets, 4941 Rect visibleInsets, boolean reportDraw, Configuration newConfig) { 4942 final ViewRootImpl viewAncestor = mViewAncestor.get(); 4943 if (viewAncestor != null) { 4944 viewAncestor.dispatchResized(frame, contentInsets, 4945 visibleInsets, reportDraw, newConfig); 4946 } 4947 } 4948 4949 @Override 4950 public void moved(int newX, int newY) { 4951 final ViewRootImpl viewAncestor = mViewAncestor.get(); 4952 if (viewAncestor != null) { 4953 viewAncestor.dispatchMoved(newX, newY); 4954 } 4955 } 4956 4957 public void dispatchAppVisibility(boolean visible) { 4958 final ViewRootImpl viewAncestor = mViewAncestor.get(); 4959 if (viewAncestor != null) { 4960 viewAncestor.dispatchAppVisibility(visible); 4961 } 4962 } 4963 4964 public void dispatchScreenState(boolean on) { 4965 final ViewRootImpl viewAncestor = mViewAncestor.get(); 4966 if (viewAncestor != null) { 4967 viewAncestor.dispatchScreenStateChange(on); 4968 } 4969 } 4970 4971 public void dispatchGetNewSurface() { 4972 final ViewRootImpl viewAncestor = mViewAncestor.get(); 4973 if (viewAncestor != null) { 4974 viewAncestor.dispatchGetNewSurface(); 4975 } 4976 } 4977 4978 public void windowFocusChanged(boolean hasFocus, boolean inTouchMode) { 4979 final ViewRootImpl viewAncestor = mViewAncestor.get(); 4980 if (viewAncestor != null) { 4981 viewAncestor.windowFocusChanged(hasFocus, inTouchMode); 4982 } 4983 } 4984 4985 private static int checkCallingPermission(String permission) { 4986 try { 4987 return ActivityManagerNative.getDefault().checkPermission( 4988 permission, Binder.getCallingPid(), Binder.getCallingUid()); 4989 } catch (RemoteException e) { 4990 return PackageManager.PERMISSION_DENIED; 4991 } 4992 } 4993 4994 public void executeCommand(String command, String parameters, ParcelFileDescriptor out) { 4995 final ViewRootImpl viewAncestor = mViewAncestor.get(); 4996 if (viewAncestor != null) { 4997 final View view = viewAncestor.mView; 4998 if (view != null) { 4999 if (checkCallingPermission(Manifest.permission.DUMP) != 5000 PackageManager.PERMISSION_GRANTED) { 5001 throw new SecurityException("Insufficient permissions to invoke" 5002 + " executeCommand() from pid=" + Binder.getCallingPid() 5003 + ", uid=" + Binder.getCallingUid()); 5004 } 5005 5006 OutputStream clientStream = null; 5007 try { 5008 clientStream = new ParcelFileDescriptor.AutoCloseOutputStream(out); 5009 ViewDebug.dispatchCommand(view, command, parameters, clientStream); 5010 } catch (IOException e) { 5011 e.printStackTrace(); 5012 } finally { 5013 if (clientStream != null) { 5014 try { 5015 clientStream.close(); 5016 } catch (IOException e) { 5017 e.printStackTrace(); 5018 } 5019 } 5020 } 5021 } 5022 } 5023 } 5024 5025 public void closeSystemDialogs(String reason) { 5026 final ViewRootImpl viewAncestor = mViewAncestor.get(); 5027 if (viewAncestor != null) { 5028 viewAncestor.dispatchCloseSystemDialogs(reason); 5029 } 5030 } 5031 5032 public void dispatchWallpaperOffsets(float x, float y, float xStep, float yStep, 5033 boolean sync) { 5034 if (sync) { 5035 try { 5036 mWindowSession.wallpaperOffsetsComplete(asBinder()); 5037 } catch (RemoteException e) { 5038 } 5039 } 5040 } 5041 5042 public void dispatchWallpaperCommand(String action, int x, int y, 5043 int z, Bundle extras, boolean sync) { 5044 if (sync) { 5045 try { 5046 mWindowSession.wallpaperCommandComplete(asBinder(), null); 5047 } catch (RemoteException e) { 5048 } 5049 } 5050 } 5051 5052 /* Drag/drop */ 5053 public void dispatchDragEvent(DragEvent event) { 5054 final ViewRootImpl viewAncestor = mViewAncestor.get(); 5055 if (viewAncestor != null) { 5056 viewAncestor.dispatchDragEvent(event); 5057 } 5058 } 5059 5060 public void dispatchSystemUiVisibilityChanged(int seq, int globalVisibility, 5061 int localValue, int localChanges) { 5062 final ViewRootImpl viewAncestor = mViewAncestor.get(); 5063 if (viewAncestor != null) { 5064 viewAncestor.dispatchSystemUiVisibilityChanged(seq, globalVisibility, 5065 localValue, localChanges); 5066 } 5067 } 5068 5069 public void doneAnimating() { 5070 final ViewRootImpl viewAncestor = mViewAncestor.get(); 5071 if (viewAncestor != null) { 5072 viewAncestor.dispatchDoneAnimating(); 5073 } 5074 } 5075 } 5076 5077 /** 5078 * Maintains state information for a single trackball axis, generating 5079 * discrete (DPAD) movements based on raw trackball motion. 5080 */ 5081 static final class TrackballAxis { 5082 /** 5083 * The maximum amount of acceleration we will apply. 5084 */ 5085 static final float MAX_ACCELERATION = 20; 5086 5087 /** 5088 * The maximum amount of time (in milliseconds) between events in order 5089 * for us to consider the user to be doing fast trackball movements, 5090 * and thus apply an acceleration. 5091 */ 5092 static final long FAST_MOVE_TIME = 150; 5093 5094 /** 5095 * Scaling factor to the time (in milliseconds) between events to how 5096 * much to multiple/divide the current acceleration. When movement 5097 * is < FAST_MOVE_TIME this multiplies the acceleration; when > 5098 * FAST_MOVE_TIME it divides it. 5099 */ 5100 static final float ACCEL_MOVE_SCALING_FACTOR = (1.0f/40); 5101 5102 float position; 5103 float absPosition; 5104 float acceleration = 1; 5105 long lastMoveTime = 0; 5106 int step; 5107 int dir; 5108 int nonAccelMovement; 5109 5110 void reset(int _step) { 5111 position = 0; 5112 acceleration = 1; 5113 lastMoveTime = 0; 5114 step = _step; 5115 dir = 0; 5116 } 5117 5118 /** 5119 * Add trackball movement into the state. If the direction of movement 5120 * has been reversed, the state is reset before adding the 5121 * movement (so that you don't have to compensate for any previously 5122 * collected movement before see the result of the movement in the 5123 * new direction). 5124 * 5125 * @return Returns the absolute value of the amount of movement 5126 * collected so far. 5127 */ 5128 float collect(float off, long time, String axis) { 5129 long normTime; 5130 if (off > 0) { 5131 normTime = (long)(off * FAST_MOVE_TIME); 5132 if (dir < 0) { 5133 if (DEBUG_TRACKBALL) Log.v(TAG, axis + " reversed to positive!"); 5134 position = 0; 5135 step = 0; 5136 acceleration = 1; 5137 lastMoveTime = 0; 5138 } 5139 dir = 1; 5140 } else if (off < 0) { 5141 normTime = (long)((-off) * FAST_MOVE_TIME); 5142 if (dir > 0) { 5143 if (DEBUG_TRACKBALL) Log.v(TAG, axis + " reversed to negative!"); 5144 position = 0; 5145 step = 0; 5146 acceleration = 1; 5147 lastMoveTime = 0; 5148 } 5149 dir = -1; 5150 } else { 5151 normTime = 0; 5152 } 5153 5154 // The number of milliseconds between each movement that is 5155 // considered "normal" and will not result in any acceleration 5156 // or deceleration, scaled by the offset we have here. 5157 if (normTime > 0) { 5158 long delta = time - lastMoveTime; 5159 lastMoveTime = time; 5160 float acc = acceleration; 5161 if (delta < normTime) { 5162 // The user is scrolling rapidly, so increase acceleration. 5163 float scale = (normTime-delta) * ACCEL_MOVE_SCALING_FACTOR; 5164 if (scale > 1) acc *= scale; 5165 if (DEBUG_TRACKBALL) Log.v(TAG, axis + " accelerate: off=" 5166 + off + " normTime=" + normTime + " delta=" + delta 5167 + " scale=" + scale + " acc=" + acc); 5168 acceleration = acc < MAX_ACCELERATION ? acc : MAX_ACCELERATION; 5169 } else { 5170 // The user is scrolling slowly, so decrease acceleration. 5171 float scale = (delta-normTime) * ACCEL_MOVE_SCALING_FACTOR; 5172 if (scale > 1) acc /= scale; 5173 if (DEBUG_TRACKBALL) Log.v(TAG, axis + " deccelerate: off=" 5174 + off + " normTime=" + normTime + " delta=" + delta 5175 + " scale=" + scale + " acc=" + acc); 5176 acceleration = acc > 1 ? acc : 1; 5177 } 5178 } 5179 position += off; 5180 return (absPosition = Math.abs(position)); 5181 } 5182 5183 /** 5184 * Generate the number of discrete movement events appropriate for 5185 * the currently collected trackball movement. 5186 * 5187 * @param precision The minimum movement required to generate the 5188 * first discrete movement. 5189 * 5190 * @return Returns the number of discrete movements, either positive 5191 * or negative, or 0 if there is not enough trackball movement yet 5192 * for a discrete movement. 5193 */ 5194 int generate(float precision) { 5195 int movement = 0; 5196 nonAccelMovement = 0; 5197 do { 5198 final int dir = position >= 0 ? 1 : -1; 5199 switch (step) { 5200 // If we are going to execute the first step, then we want 5201 // to do this as soon as possible instead of waiting for 5202 // a full movement, in order to make things look responsive. 5203 case 0: 5204 if (absPosition < precision) { 5205 return movement; 5206 } 5207 movement += dir; 5208 nonAccelMovement += dir; 5209 step = 1; 5210 break; 5211 // If we have generated the first movement, then we need 5212 // to wait for the second complete trackball motion before 5213 // generating the second discrete movement. 5214 case 1: 5215 if (absPosition < 2) { 5216 return movement; 5217 } 5218 movement += dir; 5219 nonAccelMovement += dir; 5220 position += dir > 0 ? -2 : 2; 5221 absPosition = Math.abs(position); 5222 step = 2; 5223 break; 5224 // After the first two, we generate discrete movements 5225 // consistently with the trackball, applying an acceleration 5226 // if the trackball is moving quickly. This is a simple 5227 // acceleration on top of what we already compute based 5228 // on how quickly the wheel is being turned, to apply 5229 // a longer increasing acceleration to continuous movement 5230 // in one direction. 5231 default: 5232 if (absPosition < 1) { 5233 return movement; 5234 } 5235 movement += dir; 5236 position += dir >= 0 ? -1 : 1; 5237 absPosition = Math.abs(position); 5238 float acc = acceleration; 5239 acc *= 1.1f; 5240 acceleration = acc < MAX_ACCELERATION ? acc : acceleration; 5241 break; 5242 } 5243 } while (true); 5244 } 5245 } 5246 5247 public static final class CalledFromWrongThreadException extends AndroidRuntimeException { 5248 public CalledFromWrongThreadException(String msg) { 5249 super(msg); 5250 } 5251 } 5252 5253 private SurfaceHolder mHolder = new SurfaceHolder() { 5254 // we only need a SurfaceHolder for opengl. it would be nice 5255 // to implement everything else though, especially the callback 5256 // support (opengl doesn't make use of it right now, but eventually 5257 // will). 5258 public Surface getSurface() { 5259 return mSurface; 5260 } 5261 5262 public boolean isCreating() { 5263 return false; 5264 } 5265 5266 public void addCallback(Callback callback) { 5267 } 5268 5269 public void removeCallback(Callback callback) { 5270 } 5271 5272 public void setFixedSize(int width, int height) { 5273 } 5274 5275 public void setSizeFromLayout() { 5276 } 5277 5278 public void setFormat(int format) { 5279 } 5280 5281 public void setType(int type) { 5282 } 5283 5284 public void setKeepScreenOn(boolean screenOn) { 5285 } 5286 5287 public Canvas lockCanvas() { 5288 return null; 5289 } 5290 5291 public Canvas lockCanvas(Rect dirty) { 5292 return null; 5293 } 5294 5295 public void unlockCanvasAndPost(Canvas canvas) { 5296 } 5297 public Rect getSurfaceFrame() { 5298 return null; 5299 } 5300 }; 5301 5302 static RunQueue getRunQueue() { 5303 RunQueue rq = sRunQueues.get(); 5304 if (rq != null) { 5305 return rq; 5306 } 5307 rq = new RunQueue(); 5308 sRunQueues.set(rq); 5309 return rq; 5310 } 5311 5312 /** 5313 * The run queue is used to enqueue pending work from Views when no Handler is 5314 * attached. The work is executed during the next call to performTraversals on 5315 * the thread. 5316 * @hide 5317 */ 5318 static final class RunQueue { 5319 private final ArrayList<HandlerAction> mActions = new ArrayList<HandlerAction>(); 5320 5321 void post(Runnable action) { 5322 postDelayed(action, 0); 5323 } 5324 5325 void postDelayed(Runnable action, long delayMillis) { 5326 HandlerAction handlerAction = new HandlerAction(); 5327 handlerAction.action = action; 5328 handlerAction.delay = delayMillis; 5329 5330 synchronized (mActions) { 5331 mActions.add(handlerAction); 5332 } 5333 } 5334 5335 void removeCallbacks(Runnable action) { 5336 final HandlerAction handlerAction = new HandlerAction(); 5337 handlerAction.action = action; 5338 5339 synchronized (mActions) { 5340 final ArrayList<HandlerAction> actions = mActions; 5341 5342 while (actions.remove(handlerAction)) { 5343 // Keep going 5344 } 5345 } 5346 } 5347 5348 void executeActions(Handler handler) { 5349 synchronized (mActions) { 5350 final ArrayList<HandlerAction> actions = mActions; 5351 final int count = actions.size(); 5352 5353 for (int i = 0; i < count; i++) { 5354 final HandlerAction handlerAction = actions.get(i); 5355 handler.postDelayed(handlerAction.action, handlerAction.delay); 5356 } 5357 5358 actions.clear(); 5359 } 5360 } 5361 5362 private static class HandlerAction { 5363 Runnable action; 5364 long delay; 5365 5366 @Override 5367 public boolean equals(Object o) { 5368 if (this == o) return true; 5369 if (o == null || getClass() != o.getClass()) return false; 5370 5371 HandlerAction that = (HandlerAction) o; 5372 return !(action != null ? !action.equals(that.action) : that.action != null); 5373 5374 } 5375 5376 @Override 5377 public int hashCode() { 5378 int result = action != null ? action.hashCode() : 0; 5379 result = 31 * result + (int) (delay ^ (delay >>> 32)); 5380 return result; 5381 } 5382 } 5383 } 5384 5385 /** 5386 * Class for managing the accessibility interaction connection 5387 * based on the global accessibility state. 5388 */ 5389 final class AccessibilityInteractionConnectionManager 5390 implements AccessibilityStateChangeListener { 5391 public void onAccessibilityStateChanged(boolean enabled) { 5392 if (enabled) { 5393 ensureConnection(); 5394 if (mAttachInfo != null && mAttachInfo.mHasWindowFocus) { 5395 mView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 5396 View focusedView = mView.findFocus(); 5397 if (focusedView != null && focusedView != mView) { 5398 focusedView.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_FOCUSED); 5399 } 5400 } 5401 } else { 5402 ensureNoConnection(); 5403 mHandler.obtainMessage(MSG_CLEAR_ACCESSIBILITY_FOCUS_HOST).sendToTarget(); 5404 } 5405 } 5406 5407 public void ensureConnection() { 5408 if (mAttachInfo != null) { 5409 final boolean registered = 5410 mAttachInfo.mAccessibilityWindowId != AccessibilityNodeInfo.UNDEFINED; 5411 if (!registered) { 5412 mAttachInfo.mAccessibilityWindowId = 5413 mAccessibilityManager.addAccessibilityInteractionConnection(mWindow, 5414 new AccessibilityInteractionConnection(ViewRootImpl.this)); 5415 } 5416 } 5417 } 5418 5419 public void ensureNoConnection() { 5420 final boolean registered = 5421 mAttachInfo.mAccessibilityWindowId != AccessibilityNodeInfo.UNDEFINED; 5422 if (registered) { 5423 mAttachInfo.mAccessibilityWindowId = AccessibilityNodeInfo.UNDEFINED; 5424 mAccessibilityManager.removeAccessibilityInteractionConnection(mWindow); 5425 } 5426 } 5427 } 5428 5429 /** 5430 * This class is an interface this ViewAncestor provides to the 5431 * AccessibilityManagerService to the latter can interact with 5432 * the view hierarchy in this ViewAncestor. 5433 */ 5434 static final class AccessibilityInteractionConnection 5435 extends IAccessibilityInteractionConnection.Stub { 5436 private final WeakReference<ViewRootImpl> mViewRootImpl; 5437 5438 AccessibilityInteractionConnection(ViewRootImpl viewRootImpl) { 5439 mViewRootImpl = new WeakReference<ViewRootImpl>(viewRootImpl); 5440 } 5441 5442 @Override 5443 public void findAccessibilityNodeInfoByAccessibilityId(long accessibilityNodeId, 5444 int interactionId, IAccessibilityInteractionConnectionCallback callback, int flags, 5445 int interrogatingPid, long interrogatingTid, MagnificationSpec spec) { 5446 ViewRootImpl viewRootImpl = mViewRootImpl.get(); 5447 if (viewRootImpl != null && viewRootImpl.mView != null) { 5448 viewRootImpl.getAccessibilityInteractionController() 5449 .findAccessibilityNodeInfoByAccessibilityIdClientThread(accessibilityNodeId, 5450 interactionId, callback, flags, interrogatingPid, interrogatingTid, 5451 spec); 5452 } else { 5453 // We cannot make the call and notify the caller so it does not wait. 5454 try { 5455 callback.setFindAccessibilityNodeInfosResult(null, interactionId); 5456 } catch (RemoteException re) { 5457 /* best effort - ignore */ 5458 } 5459 } 5460 } 5461 5462 @Override 5463 public void performAccessibilityAction(long accessibilityNodeId, int action, 5464 Bundle arguments, int interactionId, 5465 IAccessibilityInteractionConnectionCallback callback, int flags, 5466 int interogatingPid, long interrogatingTid) { 5467 ViewRootImpl viewRootImpl = mViewRootImpl.get(); 5468 if (viewRootImpl != null && viewRootImpl.mView != null) { 5469 viewRootImpl.getAccessibilityInteractionController() 5470 .performAccessibilityActionClientThread(accessibilityNodeId, action, arguments, 5471 interactionId, callback, flags, interogatingPid, interrogatingTid); 5472 } else { 5473 // We cannot make the call and notify the caller so it does not wait. 5474 try { 5475 callback.setPerformAccessibilityActionResult(false, interactionId); 5476 } catch (RemoteException re) { 5477 /* best effort - ignore */ 5478 } 5479 } 5480 } 5481 5482 @Override 5483 public void findAccessibilityNodeInfoByViewId(long accessibilityNodeId, int viewId, 5484 int interactionId, IAccessibilityInteractionConnectionCallback callback, int flags, 5485 int interrogatingPid, long interrogatingTid, MagnificationSpec spec) { 5486 ViewRootImpl viewRootImpl = mViewRootImpl.get(); 5487 if (viewRootImpl != null && viewRootImpl.mView != null) { 5488 viewRootImpl.getAccessibilityInteractionController() 5489 .findAccessibilityNodeInfoByViewIdClientThread(accessibilityNodeId, viewId, 5490 interactionId, callback, flags, interrogatingPid, interrogatingTid, 5491 spec); 5492 } else { 5493 // We cannot make the call and notify the caller so it does not wait. 5494 try { 5495 callback.setFindAccessibilityNodeInfoResult(null, interactionId); 5496 } catch (RemoteException re) { 5497 /* best effort - ignore */ 5498 } 5499 } 5500 } 5501 5502 @Override 5503 public void findAccessibilityNodeInfosByText(long accessibilityNodeId, String text, 5504 int interactionId, IAccessibilityInteractionConnectionCallback callback, int flags, 5505 int interrogatingPid, long interrogatingTid, MagnificationSpec spec) { 5506 ViewRootImpl viewRootImpl = mViewRootImpl.get(); 5507 if (viewRootImpl != null && viewRootImpl.mView != null) { 5508 viewRootImpl.getAccessibilityInteractionController() 5509 .findAccessibilityNodeInfosByTextClientThread(accessibilityNodeId, text, 5510 interactionId, callback, flags, interrogatingPid, interrogatingTid, 5511 spec); 5512 } else { 5513 // We cannot make the call and notify the caller so it does not wait. 5514 try { 5515 callback.setFindAccessibilityNodeInfosResult(null, interactionId); 5516 } catch (RemoteException re) { 5517 /* best effort - ignore */ 5518 } 5519 } 5520 } 5521 5522 @Override 5523 public void findFocus(long accessibilityNodeId, int focusType, int interactionId, 5524 IAccessibilityInteractionConnectionCallback callback, int flags, 5525 int interrogatingPid, long interrogatingTid, MagnificationSpec spec) { 5526 ViewRootImpl viewRootImpl = mViewRootImpl.get(); 5527 if (viewRootImpl != null && viewRootImpl.mView != null) { 5528 viewRootImpl.getAccessibilityInteractionController() 5529 .findFocusClientThread(accessibilityNodeId, focusType, interactionId, callback, 5530 flags, interrogatingPid, interrogatingTid, spec); 5531 } else { 5532 // We cannot make the call and notify the caller so it does not wait. 5533 try { 5534 callback.setFindAccessibilityNodeInfoResult(null, interactionId); 5535 } catch (RemoteException re) { 5536 /* best effort - ignore */ 5537 } 5538 } 5539 } 5540 5541 @Override 5542 public void focusSearch(long accessibilityNodeId, int direction, int interactionId, 5543 IAccessibilityInteractionConnectionCallback callback, int flags, 5544 int interrogatingPid, long interrogatingTid, MagnificationSpec spec) { 5545 ViewRootImpl viewRootImpl = mViewRootImpl.get(); 5546 if (viewRootImpl != null && viewRootImpl.mView != null) { 5547 viewRootImpl.getAccessibilityInteractionController() 5548 .focusSearchClientThread(accessibilityNodeId, direction, interactionId, 5549 callback, flags, interrogatingPid, interrogatingTid, spec); 5550 } else { 5551 // We cannot make the call and notify the caller so it does not wait. 5552 try { 5553 callback.setFindAccessibilityNodeInfoResult(null, interactionId); 5554 } catch (RemoteException re) { 5555 /* best effort - ignore */ 5556 } 5557 } 5558 } 5559 } 5560 5561 private class SendWindowContentChangedAccessibilityEvent implements Runnable { 5562 public View mSource; 5563 5564 public void run() { 5565 if (mSource != null) { 5566 mSource.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); 5567 mSource.resetAccessibilityStateChanged(); 5568 mSource = null; 5569 } 5570 } 5571 } 5572} 5573