1 // Copyright 2012 Google Inc. All Rights Reserved. 2 3 package com.android.server.wm; 4 5 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 6 import static com.android.server.wm.WindowManagerService.DEBUG_ANIM; 7 import static com.android.server.wm.WindowManagerService.DEBUG_LAYERS; 8 import static com.android.server.wm.WindowManagerService.DEBUG_ORIENTATION; 9 import static com.android.server.wm.WindowManagerService.DEBUG_STARTING_WINDOW; 10 import static com.android.server.wm.WindowManagerService.DEBUG_SURFACE_TRACE; 11 import static com.android.server.wm.WindowManagerService.SHOW_TRANSACTIONS; 12 import static com.android.server.wm.WindowManagerService.DEBUG_VISIBILITY; 13 import static com.android.server.wm.WindowManagerService.SHOW_LIGHT_TRANSACTIONS; 14 import static com.android.server.wm.WindowManagerService.SHOW_SURFACE_ALLOC; 15 import static com.android.server.wm.WindowManagerService.localLOGV; 16 import static com.android.server.wm.WindowManagerService.LayoutFields.SET_ORIENTATION_CHANGE_COMPLETE; 17 import static com.android.server.wm.WindowManagerService.LayoutFields.SET_TURN_ON_SCREEN; 18 19 import android.content.Context; 20 import android.graphics.Matrix; 21 import android.graphics.PixelFormat; 22 import android.graphics.Point; 23 import android.graphics.PointF; 24 import android.graphics.Rect; 25 import android.graphics.RectF; 26 import android.graphics.Region; 27 import android.os.Debug; 28 import android.util.Slog; 29 import android.view.Display; 30 import android.view.DisplayInfo; 31 import android.view.MagnificationSpec; 32 import android.view.Surface.OutOfResourcesException; 33 import android.view.SurfaceControl; 34 import android.view.SurfaceSession; 35 import android.view.WindowManager; 36 import android.view.WindowManagerPolicy; 37 import android.view.WindowManager.LayoutParams; 38 import android.view.animation.Animation; 39 import android.view.animation.AnimationUtils; 40 import android.view.animation.Transformation; 41 42 import com.android.server.wm.WindowManagerService.H; 43 44 import java.io.PrintWriter; 45 import java.util.ArrayList; 46 47 class WinAnimatorList extends ArrayList<WindowStateAnimator> { 48 } 49 50 /** 51 * Keep track of animations and surface operations for a single WindowState. 52 **/ 53 class WindowStateAnimator { 54 static final String TAG = "WindowStateAnimator"; 55 56 // Unchanging local convenience fields. 57 final WindowManagerService mService; 58 final WindowState mWin; 59 final WindowStateAnimator mAttachedWinAnimator; 60 final WindowAnimator mAnimator; 61 AppWindowAnimator mAppAnimator; 62 final Session mSession; 63 final WindowManagerPolicy mPolicy; 64 final Context mContext; 65 final boolean mIsWallpaper; 66 67 // If this is a universe background window, this is the transformation 68 // it is applying to the rest of the universe. 69 final Transformation mUniverseTransform = new Transformation(); 70 71 // Currently running animation. 72 boolean mAnimating; 73 boolean mLocalAnimating; 74 Animation mAnimation; 75 boolean mAnimationIsEntrance; 76 boolean mHasTransformation; 77 boolean mHasLocalTransformation; 78 final Transformation mTransformation = new Transformation(); 79 boolean mWasAnimating; // Were we animating going into the most recent animation step? 80 int mAnimLayer; 81 int mLastLayer; 82 83 SurfaceControl mSurfaceControl; 84 SurfaceControl mPendingDestroySurface; 85 86 /** 87 * Set when we have changed the size of the surface, to know that 88 * we must tell them application to resize (and thus redraw itself). 89 */ 90 boolean mSurfaceResized; 91 92 /** 93 * Set if the client has asked that the destroy of its surface be delayed 94 * until it explicitly says it is okay. 95 */ 96 boolean mSurfaceDestroyDeferred; 97 98 float mShownAlpha = 0; 99 float mAlpha = 0; 100 float mLastAlpha = 0; 101 102 // Used to save animation distances between the time they are calculated and when they are 103 // used. 104 int mAnimDw; 105 int mAnimDh; 106 float mDsDx=1, mDtDx=0, mDsDy=0, mDtDy=1; 107 float mLastDsDx=1, mLastDtDx=0, mLastDsDy=0, mLastDtDy=1; 108 109 boolean mHaveMatrix; 110 111 // For debugging, this is the last information given to the surface flinger. 112 boolean mSurfaceShown; 113 float mSurfaceX, mSurfaceY, mSurfaceW, mSurfaceH; 114 int mSurfaceLayer; 115 float mSurfaceAlpha; 116 117 // Set to true if, when the window gets displayed, it should perform 118 // an enter animation. 119 boolean mEnterAnimationPending; 120 121 /** This is set when there is no Surface */ 122 static final int NO_SURFACE = 0; 123 /** This is set after the Surface has been created but before the window has been drawn. During 124 * this time the surface is hidden. */ 125 static final int DRAW_PENDING = 1; 126 /** This is set after the window has finished drawing for the first time but before its surface 127 * is shown. The surface will be displayed when the next layout is run. */ 128 static final int COMMIT_DRAW_PENDING = 2; 129 /** This is set during the time after the window's drawing has been committed, and before its 130 * surface is actually shown. It is used to delay showing the surface until all windows in a 131 * token are ready to be shown. */ 132 static final int READY_TO_SHOW = 3; 133 /** Set when the window has been shown in the screen the first time. */ 134 static final int HAS_DRAWN = 4; drawStateToString(int state)135 static String drawStateToString(int state) { 136 switch (state) { 137 case NO_SURFACE: return "NO_SURFACE"; 138 case DRAW_PENDING: return "DRAW_PENDING"; 139 case COMMIT_DRAW_PENDING: return "COMMIT_DRAW_PENDING"; 140 case READY_TO_SHOW: return "READY_TO_SHOW"; 141 case HAS_DRAWN: return "HAS_DRAWN"; 142 default: return Integer.toString(state); 143 } 144 } 145 int mDrawState; 146 147 /** Was this window last hidden? */ 148 boolean mLastHidden; 149 150 int mAttrFlags; 151 int mAttrType; 152 153 final int mLayerStack; 154 WindowStateAnimator(final WindowState win)155 public WindowStateAnimator(final WindowState win) { 156 final WindowManagerService service = win.mService; 157 158 mService = service; 159 mAnimator = service.mAnimator; 160 mPolicy = service.mPolicy; 161 mContext = service.mContext; 162 final DisplayInfo displayInfo = win.mDisplayContent.getDisplayInfo(); 163 mAnimDw = displayInfo.appWidth; 164 mAnimDh = displayInfo.appHeight; 165 166 mWin = win; 167 mAttachedWinAnimator = win.mAttachedWindow == null 168 ? null : win.mAttachedWindow.mWinAnimator; 169 mAppAnimator = win.mAppToken == null ? null : win.mAppToken.mAppAnimator; 170 mSession = win.mSession; 171 mAttrFlags = win.mAttrs.flags; 172 mAttrType = win.mAttrs.type; 173 mIsWallpaper = win.mIsWallpaper; 174 mLayerStack = win.mDisplayContent.getDisplay().getLayerStack(); 175 } 176 setAnimation(Animation anim)177 public void setAnimation(Animation anim) { 178 if (localLOGV) Slog.v(TAG, "Setting animation in " + this + ": " + anim); 179 mAnimating = false; 180 mLocalAnimating = false; 181 mAnimation = anim; 182 mAnimation.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION); 183 mAnimation.scaleCurrentDuration(mService.mWindowAnimationScale); 184 // Start out animation gone if window is gone, or visible if window is visible. 185 mTransformation.clear(); 186 mTransformation.setAlpha(mLastHidden ? 0 : 1); 187 mHasLocalTransformation = true; 188 } 189 clearAnimation()190 public void clearAnimation() { 191 if (mAnimation != null) { 192 mAnimating = true; 193 mLocalAnimating = false; 194 mAnimation.cancel(); 195 mAnimation = null; 196 } 197 } 198 199 /** Is the window or its container currently animating? */ isAnimating()200 boolean isAnimating() { 201 return mAnimation != null 202 || (mAttachedWinAnimator != null && mAttachedWinAnimator.mAnimation != null) 203 || (mAppAnimator != null && 204 (mAppAnimator.animation != null 205 || mAppAnimator.mAppToken.inPendingTransaction)); 206 } 207 208 /** Is the window animating the DummyAnimation? */ isDummyAnimation()209 boolean isDummyAnimation() { 210 return mAppAnimator != null 211 && mAppAnimator.animation == AppWindowAnimator.sDummyAnimation; 212 } 213 214 /** Is this window currently animating? */ isWindowAnimating()215 boolean isWindowAnimating() { 216 return mAnimation != null; 217 } 218 cancelExitAnimationForNextAnimationLocked()219 void cancelExitAnimationForNextAnimationLocked() { 220 if (mAnimation != null) { 221 mAnimation.cancel(); 222 mAnimation = null; 223 mLocalAnimating = false; 224 destroySurfaceLocked(); 225 } 226 } 227 stepAnimation(long currentTime)228 private boolean stepAnimation(long currentTime) { 229 if ((mAnimation == null) || !mLocalAnimating) { 230 return false; 231 } 232 mTransformation.clear(); 233 final boolean more = mAnimation.getTransformation(currentTime, mTransformation); 234 if (false && DEBUG_ANIM) Slog.v( 235 TAG, "Stepped animation in " + this + 236 ": more=" + more + ", xform=" + mTransformation); 237 return more; 238 } 239 240 // This must be called while inside a transaction. Returns true if 241 // there is more animation to run. stepAnimationLocked(long currentTime)242 boolean stepAnimationLocked(long currentTime) { 243 // Save the animation state as it was before this step so WindowManagerService can tell if 244 // we just started or just stopped animating by comparing mWasAnimating with isAnimating(). 245 mWasAnimating = mAnimating; 246 if (mService.okToDisplay()) { 247 // We will run animations as long as the display isn't frozen. 248 249 if (mWin.isDrawnLw() && mAnimation != null) { 250 mHasTransformation = true; 251 mHasLocalTransformation = true; 252 if (!mLocalAnimating) { 253 if (DEBUG_ANIM) Slog.v( 254 TAG, "Starting animation in " + this + 255 " @ " + currentTime + ": ww=" + mWin.mFrame.width() + 256 " wh=" + mWin.mFrame.height() + 257 " dw=" + mAnimDw + " dh=" + mAnimDh + 258 " scale=" + mService.mWindowAnimationScale); 259 mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), 260 mAnimDw, mAnimDh); 261 final DisplayInfo displayInfo = mWin.mDisplayContent.getDisplayInfo(); 262 mAnimDw = displayInfo.appWidth; 263 mAnimDh = displayInfo.appHeight; 264 mAnimation.setStartTime(currentTime); 265 mLocalAnimating = true; 266 mAnimating = true; 267 } 268 if ((mAnimation != null) && mLocalAnimating) { 269 if (stepAnimation(currentTime)) { 270 return true; 271 } 272 } 273 if (DEBUG_ANIM) Slog.v( 274 TAG, "Finished animation in " + this + 275 " @ " + currentTime); 276 //WindowManagerService.this.dump(); 277 } 278 mHasLocalTransformation = false; 279 if ((!mLocalAnimating || mAnimationIsEntrance) && mAppAnimator != null 280 && mAppAnimator.animation != null) { 281 // When our app token is animating, we kind-of pretend like 282 // we are as well. Note the mLocalAnimating mAnimationIsEntrance 283 // part of this check means that we will only do this if 284 // our window is not currently exiting, or it is not 285 // locally animating itself. The idea being that one that 286 // is exiting and doing a local animation should be removed 287 // once that animation is done. 288 mAnimating = true; 289 mHasTransformation = true; 290 mTransformation.clear(); 291 return false; 292 } else if (mHasTransformation) { 293 // Little trick to get through the path below to act like 294 // we have finished an animation. 295 mAnimating = true; 296 } else if (isAnimating()) { 297 mAnimating = true; 298 } 299 } else if (mAnimation != null) { 300 // If the display is frozen, and there is a pending animation, 301 // clear it and make sure we run the cleanup code. 302 mAnimating = true; 303 } 304 305 if (!mAnimating && !mLocalAnimating) { 306 return false; 307 } 308 309 // Done animating, clean up. 310 if (DEBUG_ANIM) Slog.v( 311 TAG, "Animation done in " + this + ": exiting=" + mWin.mExiting 312 + ", reportedVisible=" 313 + (mWin.mAppToken != null ? mWin.mAppToken.reportedVisible : false)); 314 315 mAnimating = false; 316 mLocalAnimating = false; 317 if (mAnimation != null) { 318 mAnimation.cancel(); 319 mAnimation = null; 320 } 321 if (mAnimator.mWindowDetachedWallpaper == mWin) { 322 mAnimator.mWindowDetachedWallpaper = null; 323 } 324 mAnimLayer = mWin.mLayer; 325 if (mWin.mIsImWindow) { 326 mAnimLayer += mService.mInputMethodAnimLayerAdjustment; 327 } else if (mIsWallpaper) { 328 mAnimLayer += mService.mWallpaperAnimLayerAdjustment; 329 } 330 if (DEBUG_LAYERS) Slog.v(TAG, "Stepping win " + this 331 + " anim layer: " + mAnimLayer); 332 mHasTransformation = false; 333 mHasLocalTransformation = false; 334 if (mWin.mPolicyVisibility != mWin.mPolicyVisibilityAfterAnim) { 335 if (DEBUG_VISIBILITY) { 336 Slog.v(TAG, "Policy visibility changing after anim in " + this + ": " 337 + mWin.mPolicyVisibilityAfterAnim); 338 } 339 mWin.mPolicyVisibility = mWin.mPolicyVisibilityAfterAnim; 340 mWin.mDisplayContent.layoutNeeded = true; 341 if (!mWin.mPolicyVisibility) { 342 if (mService.mCurrentFocus == mWin) { 343 if (WindowManagerService.DEBUG_FOCUS_LIGHT) Slog.i(TAG, 344 "setAnimationLocked: setting mFocusMayChange true"); 345 mService.mFocusMayChange = true; 346 } 347 // Window is no longer visible -- make sure if we were waiting 348 // for it to be displayed before enabling the display, that 349 // we allow the display to be enabled now. 350 mService.enableScreenIfNeededLocked(); 351 } 352 } 353 mTransformation.clear(); 354 if (mDrawState == HAS_DRAWN 355 && mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING 356 && mWin.mAppToken != null 357 && mWin.mAppToken.firstWindowDrawn 358 && mWin.mAppToken.startingData != null) { 359 if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Finish starting " 360 + mWin.mToken + ": first real window done animating"); 361 mService.mFinishedStarting.add(mWin.mAppToken); 362 mService.mH.sendEmptyMessage(H.FINISHED_STARTING); 363 } else if (mAttrType == LayoutParams.TYPE_STATUS_BAR && mWin.mPolicyVisibility) { 364 // Upon completion of a not-visible to visible status bar animation a relayout is 365 // required. 366 mWin.mDisplayContent.layoutNeeded = true; 367 } 368 369 finishExit(); 370 final int displayId = mWin.mDisplayContent.getDisplayId(); 371 mAnimator.setPendingLayoutChanges(displayId, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 372 if (WindowManagerService.DEBUG_LAYOUT_REPEATS) mService.debugLayoutRepeats( 373 "WindowStateAnimator", mAnimator.getPendingLayoutChanges(displayId)); 374 375 if (mWin.mAppToken != null) { 376 mWin.mAppToken.updateReportedVisibilityLocked(); 377 } 378 379 return false; 380 } 381 finishExit()382 void finishExit() { 383 if (WindowManagerService.DEBUG_ANIM) Slog.v( 384 TAG, "finishExit in " + this 385 + ": exiting=" + mWin.mExiting 386 + " remove=" + mWin.mRemoveOnExit 387 + " windowAnimating=" + isWindowAnimating()); 388 389 final int N = mWin.mChildWindows.size(); 390 for (int i=0; i<N; i++) { 391 mWin.mChildWindows.get(i).mWinAnimator.finishExit(); 392 } 393 394 if (!mWin.mExiting) { 395 return; 396 } 397 398 if (isWindowAnimating()) { 399 return; 400 } 401 402 if (WindowManagerService.localLOGV) Slog.v( 403 TAG, "Exit animation finished in " + this 404 + ": remove=" + mWin.mRemoveOnExit); 405 if (mSurfaceControl != null) { 406 mService.mDestroySurface.add(mWin); 407 mWin.mDestroying = true; 408 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface( 409 mWin, "HIDE (finishExit)", null); 410 hide(); 411 } 412 mWin.mExiting = false; 413 if (mWin.mRemoveOnExit) { 414 mService.mPendingRemove.add(mWin); 415 mWin.mRemoveOnExit = false; 416 } 417 mAnimator.hideWallpapersLocked(mWin); 418 } 419 hide()420 void hide() { 421 if (!mLastHidden) { 422 //dump(); 423 mLastHidden = true; 424 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin, 425 "HIDE (performLayout)", null); 426 if (mSurfaceControl != null) { 427 mSurfaceShown = false; 428 try { 429 mSurfaceControl.hide(); 430 } catch (RuntimeException e) { 431 Slog.w(TAG, "Exception hiding surface in " + mWin); 432 } 433 } 434 } 435 } 436 finishDrawingLocked()437 boolean finishDrawingLocked() { 438 if (DEBUG_STARTING_WINDOW && 439 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { 440 Slog.v(TAG, "Finishing drawing window " + mWin + ": mDrawState=" 441 + drawStateToString(mDrawState)); 442 } 443 if (mDrawState == DRAW_PENDING) { 444 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM || SHOW_TRANSACTIONS || DEBUG_ORIENTATION) 445 Slog.v(TAG, "finishDrawingLocked: mDrawState=COMMIT_DRAW_PENDING " + this + " in " 446 + mSurfaceControl); 447 if (DEBUG_STARTING_WINDOW && 448 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { 449 Slog.v(TAG, "Draw state now committed in " + mWin); 450 } 451 mDrawState = COMMIT_DRAW_PENDING; 452 return true; 453 } 454 return false; 455 } 456 457 // This must be called while inside a transaction. commitFinishDrawingLocked(long currentTime)458 boolean commitFinishDrawingLocked(long currentTime) { 459 if (DEBUG_STARTING_WINDOW && 460 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { 461 Slog.i(TAG, "commitFinishDrawingLocked: " + mWin + " cur mDrawState=" 462 + drawStateToString(mDrawState)); 463 } 464 if (mDrawState != COMMIT_DRAW_PENDING) { 465 return false; 466 } 467 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) { 468 Slog.i(TAG, "commitFinishDrawingLocked: mDrawState=READY_TO_SHOW " + mSurfaceControl); 469 } 470 mDrawState = READY_TO_SHOW; 471 final boolean starting = mWin.mAttrs.type == TYPE_APPLICATION_STARTING; 472 final AppWindowToken atoken = mWin.mAppToken; 473 if (atoken == null || atoken.allDrawn || starting) { 474 performShowLocked(); 475 } 476 return true; 477 } 478 479 static class SurfaceTrace extends SurfaceControl { 480 private final static String SURFACE_TAG = "SurfaceTrace"; 481 final static ArrayList<SurfaceTrace> sSurfaces = new ArrayList<SurfaceTrace>(); 482 483 private float mSurfaceTraceAlpha = 0; 484 private int mLayer; 485 private final PointF mPosition = new PointF(); 486 private final Point mSize = new Point(); 487 private final Rect mWindowCrop = new Rect(); 488 private boolean mShown = false; 489 private int mLayerStack; 490 private final String mName; 491 SurfaceTrace(SurfaceSession s, String name, int w, int h, int format, int flags)492 public SurfaceTrace(SurfaceSession s, 493 String name, int w, int h, int format, int flags) 494 throws OutOfResourcesException { 495 super(s, name, w, h, format, flags); 496 mName = name != null ? name : "Not named"; 497 mSize.set(w, h); 498 Slog.v(SURFACE_TAG, "ctor: " + this + ". Called by " 499 + Debug.getCallers(3)); 500 } 501 502 @Override setAlpha(float alpha)503 public void setAlpha(float alpha) { 504 if (mSurfaceTraceAlpha != alpha) { 505 Slog.v(SURFACE_TAG, "setAlpha(" + alpha + "): OLD:" + this + ". Called by " 506 + Debug.getCallers(3)); 507 mSurfaceTraceAlpha = alpha; 508 } 509 super.setAlpha(alpha); 510 } 511 512 @Override setLayer(int zorder)513 public void setLayer(int zorder) { 514 if (zorder != mLayer) { 515 Slog.v(SURFACE_TAG, "setLayer(" + zorder + "): OLD:" + this + ". Called by " 516 + Debug.getCallers(3)); 517 mLayer = zorder; 518 } 519 super.setLayer(zorder); 520 521 sSurfaces.remove(this); 522 int i; 523 for (i = sSurfaces.size() - 1; i >= 0; i--) { 524 SurfaceTrace s = sSurfaces.get(i); 525 if (s.mLayer < zorder) { 526 break; 527 } 528 } 529 sSurfaces.add(i + 1, this); 530 } 531 532 @Override setPosition(float x, float y)533 public void setPosition(float x, float y) { 534 if (x != mPosition.x || y != mPosition.y) { 535 Slog.v(SURFACE_TAG, "setPosition(" + x + "," + y + "): OLD:" + this 536 + ". Called by " + Debug.getCallers(3)); 537 mPosition.set(x, y); 538 } 539 super.setPosition(x, y); 540 } 541 542 @Override setSize(int w, int h)543 public void setSize(int w, int h) { 544 if (w != mSize.x || h != mSize.y) { 545 Slog.v(SURFACE_TAG, "setSize(" + w + "," + h + "): OLD:" + this + ". Called by " 546 + Debug.getCallers(3)); 547 mSize.set(w, h); 548 } 549 super.setSize(w, h); 550 } 551 552 @Override setWindowCrop(Rect crop)553 public void setWindowCrop(Rect crop) { 554 if (crop != null) { 555 if (!crop.equals(mWindowCrop)) { 556 Slog.v(SURFACE_TAG, "setWindowCrop(" + crop.toShortString() + "): OLD:" + this 557 + ". Called by " + Debug.getCallers(3)); 558 mWindowCrop.set(crop); 559 } 560 } 561 super.setWindowCrop(crop); 562 } 563 564 @Override setLayerStack(int layerStack)565 public void setLayerStack(int layerStack) { 566 if (layerStack != mLayerStack) { 567 Slog.v(SURFACE_TAG, "setLayerStack(" + layerStack + "): OLD:" + this 568 + ". Called by " + Debug.getCallers(3)); 569 mLayerStack = layerStack; 570 } 571 super.setLayerStack(layerStack); 572 } 573 574 @Override hide()575 public void hide() { 576 if (mShown) { 577 Slog.v(SURFACE_TAG, "hide: OLD:" + this + ". Called by " + Debug.getCallers(3)); 578 mShown = false; 579 } 580 super.hide(); 581 } 582 583 @Override show()584 public void show() { 585 if (!mShown) { 586 Slog.v(SURFACE_TAG, "show: OLD:" + this + ". Called by " + Debug.getCallers(3)); 587 mShown = true; 588 } 589 super.show(); 590 } 591 592 @Override destroy()593 public void destroy() { 594 super.destroy(); 595 Slog.v(SURFACE_TAG, "destroy: " + this + ". Called by " + Debug.getCallers(3)); 596 sSurfaces.remove(this); 597 } 598 599 @Override release()600 public void release() { 601 super.release(); 602 Slog.v(SURFACE_TAG, "release: " + this + ". Called by " 603 + Debug.getCallers(3)); 604 sSurfaces.remove(this); 605 } 606 dumpAllSurfaces()607 static void dumpAllSurfaces() { 608 final int N = sSurfaces.size(); 609 for (int i = 0; i < N; i++) { 610 Slog.i(TAG, "SurfaceDump: " + sSurfaces.get(i)); 611 } 612 } 613 614 @Override toString()615 public String toString() { 616 return "Surface " + Integer.toHexString(System.identityHashCode(this)) + " " 617 + mName + " (" + mLayerStack + "): shown=" + mShown + " layer=" + mLayer 618 + " alpha=" + mSurfaceTraceAlpha + " " + mPosition.x + "," + mPosition.y 619 + " " + mSize.x + "x" + mSize.y 620 + " crop=" + mWindowCrop.toShortString(); 621 } 622 } 623 createSurfaceLocked()624 SurfaceControl createSurfaceLocked() { 625 if (mSurfaceControl == null) { 626 if (DEBUG_ANIM || DEBUG_ORIENTATION) Slog.i(TAG, 627 "createSurface " + this + ": mDrawState=DRAW_PENDING"); 628 mDrawState = DRAW_PENDING; 629 if (mWin.mAppToken != null) { 630 if (mWin.mAppToken.mAppAnimator.animation == null) { 631 mWin.mAppToken.allDrawn = false; 632 mWin.mAppToken.deferClearAllDrawn = false; 633 } else { 634 // Currently animating, persist current state of allDrawn until animation 635 // is complete. 636 mWin.mAppToken.deferClearAllDrawn = true; 637 } 638 } 639 640 mService.makeWindowFreezingScreenIfNeededLocked(mWin); 641 642 int flags = SurfaceControl.HIDDEN; 643 final WindowManager.LayoutParams attrs = mWin.mAttrs; 644 645 if ((attrs.flags&WindowManager.LayoutParams.FLAG_SECURE) != 0) { 646 flags |= SurfaceControl.SECURE; 647 } 648 if (DEBUG_VISIBILITY) Slog.v( 649 TAG, "Creating surface in session " 650 + mSession.mSurfaceSession + " window " + this 651 + " w=" + mWin.mCompatFrame.width() 652 + " h=" + mWin.mCompatFrame.height() + " format=" 653 + attrs.format + " flags=" + flags); 654 655 int w = mWin.mCompatFrame.width(); 656 int h = mWin.mCompatFrame.height(); 657 if ((attrs.flags & LayoutParams.FLAG_SCALED) != 0) { 658 // for a scaled surface, we always want the requested 659 // size. 660 w = mWin.mRequestedWidth; 661 h = mWin.mRequestedHeight; 662 } 663 664 // Something is wrong and SurfaceFlinger will not like this, 665 // try to revert to sane values 666 if (w <= 0) w = 1; 667 if (h <= 0) h = 1; 668 669 mSurfaceShown = false; 670 mSurfaceLayer = 0; 671 mSurfaceAlpha = 0; 672 mSurfaceX = 0; 673 mSurfaceY = 0; 674 mSurfaceW = w; 675 mSurfaceH = h; 676 mWin.mLastSystemDecorRect.set(0, 0, 0, 0); 677 try { 678 final boolean isHwAccelerated = (attrs.flags & 679 WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED) != 0; 680 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format; 681 if (!PixelFormat.formatHasAlpha(attrs.format)) { 682 flags |= SurfaceControl.OPAQUE; 683 } 684 if (DEBUG_SURFACE_TRACE) { 685 mSurfaceControl = new SurfaceTrace( 686 mSession.mSurfaceSession, 687 attrs.getTitle().toString(), 688 w, h, format, flags); 689 } else { 690 mSurfaceControl = new SurfaceControl( 691 mSession.mSurfaceSession, 692 attrs.getTitle().toString(), 693 w, h, format, flags); 694 } 695 mWin.mHasSurface = true; 696 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) Slog.i(TAG, 697 " CREATE SURFACE " 698 + mSurfaceControl + " IN SESSION " 699 + mSession.mSurfaceSession 700 + ": pid=" + mSession.mPid + " format=" 701 + attrs.format + " flags=0x" 702 + Integer.toHexString(flags) 703 + " / " + this); 704 } catch (OutOfResourcesException e) { 705 mWin.mHasSurface = false; 706 Slog.w(TAG, "OutOfResourcesException creating surface"); 707 mService.reclaimSomeSurfaceMemoryLocked(this, "create", true); 708 mDrawState = NO_SURFACE; 709 return null; 710 } catch (Exception e) { 711 mWin.mHasSurface = false; 712 Slog.e(TAG, "Exception creating surface", e); 713 mDrawState = NO_SURFACE; 714 return null; 715 } 716 717 if (WindowManagerService.localLOGV) Slog.v( 718 TAG, "Got surface: " + mSurfaceControl 719 + ", set left=" + mWin.mFrame.left + " top=" + mWin.mFrame.top 720 + ", animLayer=" + mAnimLayer); 721 if (SHOW_LIGHT_TRANSACTIONS) { 722 Slog.i(TAG, ">>> OPEN TRANSACTION createSurfaceLocked"); 723 WindowManagerService.logSurface(mWin, "CREATE pos=(" 724 + mWin.mFrame.left + "," + mWin.mFrame.top + ") (" 725 + mWin.mCompatFrame.width() + "x" + mWin.mCompatFrame.height() 726 + "), layer=" + mAnimLayer + " HIDE", null); 727 } 728 SurfaceControl.openTransaction(); 729 try { 730 try { 731 mSurfaceX = mWin.mFrame.left + mWin.mXOffset; 732 mSurfaceY = mWin.mFrame.top + mWin.mYOffset; 733 mSurfaceControl.setPosition(mSurfaceX, mSurfaceY); 734 mSurfaceLayer = mAnimLayer; 735 mSurfaceControl.setLayerStack(mLayerStack); 736 mSurfaceControl.setLayer(mAnimLayer); 737 mSurfaceControl.setAlpha(0); 738 mSurfaceShown = false; 739 } catch (RuntimeException e) { 740 Slog.w(TAG, "Error creating surface in " + w, e); 741 mService.reclaimSomeSurfaceMemoryLocked(this, "create-init", true); 742 } 743 mLastHidden = true; 744 } finally { 745 SurfaceControl.closeTransaction(); 746 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, 747 "<<< CLOSE TRANSACTION createSurfaceLocked"); 748 } 749 if (WindowManagerService.localLOGV) Slog.v( 750 TAG, "Created surface " + this); 751 } 752 return mSurfaceControl; 753 } 754 destroySurfaceLocked()755 void destroySurfaceLocked() { 756 if (mWin.mAppToken != null && mWin == mWin.mAppToken.startingWindow) { 757 mWin.mAppToken.startingDisplayed = false; 758 } 759 760 if (mSurfaceControl != null) { 761 762 int i = mWin.mChildWindows.size(); 763 while (i > 0) { 764 i--; 765 WindowState c = mWin.mChildWindows.get(i); 766 c.mAttachedHidden = true; 767 } 768 769 try { 770 if (DEBUG_VISIBILITY) { 771 RuntimeException e = null; 772 if (!WindowManagerService.HIDE_STACK_CRAWLS) { 773 e = new RuntimeException(); 774 e.fillInStackTrace(); 775 } 776 Slog.w(TAG, "Window " + this + " destroying surface " 777 + mSurfaceControl + ", session " + mSession, e); 778 } 779 if (mSurfaceDestroyDeferred) { 780 if (mSurfaceControl != null && mPendingDestroySurface != mSurfaceControl) { 781 if (mPendingDestroySurface != null) { 782 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 783 RuntimeException e = null; 784 if (!WindowManagerService.HIDE_STACK_CRAWLS) { 785 e = new RuntimeException(); 786 e.fillInStackTrace(); 787 } 788 WindowManagerService.logSurface(mWin, "DESTROY PENDING", e); 789 } 790 mPendingDestroySurface.destroy(); 791 } 792 mPendingDestroySurface = mSurfaceControl; 793 } 794 } else { 795 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 796 RuntimeException e = null; 797 if (!WindowManagerService.HIDE_STACK_CRAWLS) { 798 e = new RuntimeException(); 799 e.fillInStackTrace(); 800 } 801 WindowManagerService.logSurface(mWin, "DESTROY", e); 802 } 803 mSurfaceControl.destroy(); 804 } 805 mAnimator.hideWallpapersLocked(mWin); 806 } catch (RuntimeException e) { 807 Slog.w(TAG, "Exception thrown when destroying Window " + this 808 + " surface " + mSurfaceControl + " session " + mSession 809 + ": " + e.toString()); 810 } 811 812 mSurfaceShown = false; 813 mSurfaceControl = null; 814 mWin.mHasSurface = false; 815 mDrawState = NO_SURFACE; 816 } 817 } 818 destroyDeferredSurfaceLocked()819 void destroyDeferredSurfaceLocked() { 820 try { 821 if (mPendingDestroySurface != null) { 822 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 823 RuntimeException e = null; 824 if (!WindowManagerService.HIDE_STACK_CRAWLS) { 825 e = new RuntimeException(); 826 e.fillInStackTrace(); 827 } 828 WindowManagerService.logSurface(mWin, "DESTROY PENDING", e); 829 } 830 mPendingDestroySurface.destroy(); 831 mAnimator.hideWallpapersLocked(mWin); 832 } 833 } catch (RuntimeException e) { 834 Slog.w(TAG, "Exception thrown when destroying Window " 835 + this + " surface " + mPendingDestroySurface 836 + " session " + mSession + ": " + e.toString()); 837 } 838 mSurfaceDestroyDeferred = false; 839 mPendingDestroySurface = null; 840 } 841 computeShownFrameLocked()842 void computeShownFrameLocked() { 843 final boolean selfTransformation = mHasLocalTransformation; 844 Transformation attachedTransformation = 845 (mAttachedWinAnimator != null && mAttachedWinAnimator.mHasLocalTransformation) 846 ? mAttachedWinAnimator.mTransformation : null; 847 Transformation appTransformation = (mAppAnimator != null && mAppAnimator.hasTransformation) 848 ? mAppAnimator.transformation : null; 849 850 // Wallpapers are animated based on the "real" window they 851 // are currently targeting. 852 final WindowState wallpaperTarget = mService.mWallpaperTarget; 853 if (mIsWallpaper && wallpaperTarget != null && mService.mAnimateWallpaperWithTarget) { 854 final WindowStateAnimator wallpaperAnimator = wallpaperTarget.mWinAnimator; 855 if (wallpaperAnimator.mHasLocalTransformation && 856 wallpaperAnimator.mAnimation != null && 857 !wallpaperAnimator.mAnimation.getDetachWallpaper()) { 858 attachedTransformation = wallpaperAnimator.mTransformation; 859 if (WindowManagerService.DEBUG_WALLPAPER && attachedTransformation != null) { 860 Slog.v(TAG, "WP target attached xform: " + attachedTransformation); 861 } 862 } 863 final AppWindowAnimator wpAppAnimator = wallpaperTarget.mAppToken == null ? 864 null : wallpaperTarget.mAppToken.mAppAnimator; 865 if (wpAppAnimator != null && wpAppAnimator.hasTransformation 866 && wpAppAnimator.animation != null 867 && !wpAppAnimator.animation.getDetachWallpaper()) { 868 appTransformation = wpAppAnimator.transformation; 869 if (WindowManagerService.DEBUG_WALLPAPER && appTransformation != null) { 870 Slog.v(TAG, "WP target app xform: " + appTransformation); 871 } 872 } 873 } 874 875 final int displayId = mWin.getDisplayId(); 876 final ScreenRotationAnimation screenRotationAnimation = 877 mAnimator.getScreenRotationAnimationLocked(displayId); 878 final boolean screenAnimation = 879 screenRotationAnimation != null && screenRotationAnimation.isAnimating(); 880 if (selfTransformation || attachedTransformation != null 881 || appTransformation != null || screenAnimation) { 882 // cache often used attributes locally 883 final Rect frame = mWin.mFrame; 884 final float tmpFloats[] = mService.mTmpFloats; 885 final Matrix tmpMatrix = mWin.mTmpMatrix; 886 887 // Compute the desired transformation. 888 if (screenAnimation && screenRotationAnimation.isRotating()) { 889 // If we are doing a screen animation, the global rotation 890 // applied to windows can result in windows that are carefully 891 // aligned with each other to slightly separate, allowing you 892 // to see what is behind them. An unsightly mess. This... 893 // thing... magically makes it call good: scale each window 894 // slightly (two pixels larger in each dimension, from the 895 // window's center). 896 final float w = frame.width(); 897 final float h = frame.height(); 898 if (w>=1 && h>=1) { 899 tmpMatrix.setScale(1 + 2/w, 1 + 2/h, w/2, h/2); 900 } else { 901 tmpMatrix.reset(); 902 } 903 } else { 904 tmpMatrix.reset(); 905 } 906 tmpMatrix.postScale(mWin.mGlobalScale, mWin.mGlobalScale); 907 if (selfTransformation) { 908 tmpMatrix.postConcat(mTransformation.getMatrix()); 909 } 910 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 911 if (attachedTransformation != null) { 912 tmpMatrix.postConcat(attachedTransformation.getMatrix()); 913 } 914 if (appTransformation != null) { 915 tmpMatrix.postConcat(appTransformation.getMatrix()); 916 } 917 if (mAnimator.mUniverseBackground != null) { 918 tmpMatrix.postConcat(mAnimator.mUniverseBackground.mUniverseTransform.getMatrix()); 919 } 920 if (screenAnimation) { 921 tmpMatrix.postConcat(screenRotationAnimation.getEnterTransformation().getMatrix()); 922 } 923 //TODO (multidisplay): Magnification is supported only for the default display. 924 if (mService.mDisplayMagnifier != null 925 && mWin.getDisplayId() == Display.DEFAULT_DISPLAY) { 926 MagnificationSpec spec = mService.mDisplayMagnifier 927 .getMagnificationSpecForWindowLocked(mWin); 928 if (spec != null && !spec.isNop()) { 929 tmpMatrix.postScale(spec.scale, spec.scale); 930 tmpMatrix.postTranslate(spec.offsetX, spec.offsetY); 931 } 932 } 933 934 // "convert" it into SurfaceFlinger's format 935 // (a 2x2 matrix + an offset) 936 // Here we must not transform the position of the surface 937 // since it is already included in the transformation. 938 //Slog.i(TAG, "Transform: " + matrix); 939 940 mHaveMatrix = true; 941 tmpMatrix.getValues(tmpFloats); 942 mDsDx = tmpFloats[Matrix.MSCALE_X]; 943 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 944 mDsDy = tmpFloats[Matrix.MSKEW_X]; 945 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 946 float x = tmpFloats[Matrix.MTRANS_X]; 947 float y = tmpFloats[Matrix.MTRANS_Y]; 948 int w = frame.width(); 949 int h = frame.height(); 950 mWin.mShownFrame.set(x, y, x+w, y+h); 951 952 // Now set the alpha... but because our current hardware 953 // can't do alpha transformation on a non-opaque surface, 954 // turn it off if we are running an animation that is also 955 // transforming since it is more important to have that 956 // animation be smooth. 957 mShownAlpha = mAlpha; 958 if (!mService.mLimitedAlphaCompositing 959 || (!PixelFormat.formatHasAlpha(mWin.mAttrs.format) 960 || (mWin.isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy) 961 && x == frame.left && y == frame.top))) { 962 //Slog.i(TAG, "Applying alpha transform"); 963 if (selfTransformation) { 964 mShownAlpha *= mTransformation.getAlpha(); 965 } 966 if (attachedTransformation != null) { 967 mShownAlpha *= attachedTransformation.getAlpha(); 968 } 969 if (appTransformation != null) { 970 mShownAlpha *= appTransformation.getAlpha(); 971 } 972 if (mAnimator.mUniverseBackground != null) { 973 mShownAlpha *= mAnimator.mUniverseBackground.mUniverseTransform.getAlpha(); 974 } 975 if (screenAnimation) { 976 mShownAlpha *= screenRotationAnimation.getEnterTransformation().getAlpha(); 977 } 978 } else { 979 //Slog.i(TAG, "Not applying alpha transform"); 980 } 981 982 if ((DEBUG_SURFACE_TRACE || WindowManagerService.localLOGV) 983 && (mShownAlpha == 1.0 || mShownAlpha == 0.0)) Slog.v( 984 TAG, "computeShownFrameLocked: Animating " + this + " mAlpha=" + mAlpha 985 + " self=" + (selfTransformation ? mTransformation.getAlpha() : "null") 986 + " attached=" + (attachedTransformation == null ? 987 "null" : attachedTransformation.getAlpha()) 988 + " app=" + (appTransformation == null ? "null" : appTransformation.getAlpha()) 989 + " screen=" + (screenAnimation ? 990 screenRotationAnimation.getEnterTransformation().getAlpha() : "null")); 991 return; 992 } else if (mIsWallpaper && mService.mInnerFields.mWallpaperActionPending) { 993 return; 994 } 995 996 if (WindowManagerService.localLOGV) Slog.v( 997 TAG, "computeShownFrameLocked: " + this + 998 " not attached, mAlpha=" + mAlpha); 999 1000 final boolean applyUniverseTransformation = (mAnimator.mUniverseBackground != null 1001 && mWin.mAttrs.type != WindowManager.LayoutParams.TYPE_UNIVERSE_BACKGROUND 1002 && mWin.mBaseLayer < mAnimator.mAboveUniverseLayer); 1003 MagnificationSpec spec = null; 1004 //TODO (multidisplay): Magnification is supported only for the default display. 1005 if (mService.mDisplayMagnifier != null && mWin.getDisplayId() == Display.DEFAULT_DISPLAY) { 1006 spec = mService.mDisplayMagnifier.getMagnificationSpecForWindowLocked(mWin); 1007 } 1008 if (applyUniverseTransformation || spec != null) { 1009 final Rect frame = mWin.mFrame; 1010 final float tmpFloats[] = mService.mTmpFloats; 1011 final Matrix tmpMatrix = mWin.mTmpMatrix; 1012 1013 tmpMatrix.setScale(mWin.mGlobalScale, mWin.mGlobalScale); 1014 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 1015 1016 if (applyUniverseTransformation) { 1017 tmpMatrix.postConcat(mAnimator.mUniverseBackground.mUniverseTransform.getMatrix()); 1018 } 1019 1020 if (spec != null && !spec.isNop()) { 1021 tmpMatrix.postScale(spec.scale, spec.scale); 1022 tmpMatrix.postTranslate(spec.offsetX, spec.offsetY); 1023 } 1024 1025 tmpMatrix.getValues(tmpFloats); 1026 1027 mHaveMatrix = true; 1028 mDsDx = tmpFloats[Matrix.MSCALE_X]; 1029 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 1030 mDsDy = tmpFloats[Matrix.MSKEW_X]; 1031 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 1032 float x = tmpFloats[Matrix.MTRANS_X]; 1033 float y = tmpFloats[Matrix.MTRANS_Y]; 1034 int w = frame.width(); 1035 int h = frame.height(); 1036 mWin.mShownFrame.set(x, y, x + w, y + h); 1037 1038 mShownAlpha = mAlpha; 1039 if (applyUniverseTransformation) { 1040 mShownAlpha *= mAnimator.mUniverseBackground.mUniverseTransform.getAlpha(); 1041 } 1042 } else { 1043 mWin.mShownFrame.set(mWin.mFrame); 1044 if (mWin.mXOffset != 0 || mWin.mYOffset != 0) { 1045 mWin.mShownFrame.offset(mWin.mXOffset, mWin.mYOffset); 1046 } 1047 mShownAlpha = mAlpha; 1048 mHaveMatrix = false; 1049 mDsDx = mWin.mGlobalScale; 1050 mDtDx = 0; 1051 mDsDy = 0; 1052 mDtDy = mWin.mGlobalScale; 1053 } 1054 } 1055 applyDecorRect(final Rect decorRect)1056 void applyDecorRect(final Rect decorRect) { 1057 final WindowState w = mWin; 1058 // Compute the offset of the window in relation to the decor rect. 1059 final int offX = w.mXOffset + w.mFrame.left; 1060 final int offY = w.mYOffset + w.mFrame.top; 1061 // Initialize the decor rect to the entire frame. 1062 w.mSystemDecorRect.set(0, 0, w.mFrame.width(), w.mFrame.height()); 1063 // Intersect with the decor rect, offsetted by window position. 1064 w.mSystemDecorRect.intersect(decorRect.left-offX, decorRect.top-offY, 1065 decorRect.right-offX, decorRect.bottom-offY); 1066 // If size compatibility is being applied to the window, the 1067 // surface is scaled relative to the screen. Also apply this 1068 // scaling to the crop rect. We aren't using the standard rect 1069 // scale function because we want to round things to make the crop 1070 // always round to a larger rect to ensure we don't crop too 1071 // much and hide part of the window that should be seen. 1072 if (w.mEnforceSizeCompat && w.mInvGlobalScale != 1.0f) { 1073 final float scale = w.mInvGlobalScale; 1074 w.mSystemDecorRect.left = (int) (w.mSystemDecorRect.left * scale - 0.5f); 1075 w.mSystemDecorRect.top = (int) (w.mSystemDecorRect.top * scale - 0.5f); 1076 w.mSystemDecorRect.right = (int) ((w.mSystemDecorRect.right+1) * scale - 0.5f); 1077 w.mSystemDecorRect.bottom = (int) ((w.mSystemDecorRect.bottom+1) * scale - 0.5f); 1078 } 1079 } 1080 updateSurfaceWindowCrop(final boolean recoveringMemory)1081 void updateSurfaceWindowCrop(final boolean recoveringMemory) { 1082 final WindowState w = mWin; 1083 DisplayInfo displayInfo = w.mDisplayContent.getDisplayInfo(); 1084 1085 // Need to recompute a new system decor rect each time. 1086 if ((w.mAttrs.flags & LayoutParams.FLAG_SCALED) != 0) { 1087 // Currently can't do this cropping for scaled windows. We'll 1088 // just keep the crop rect the same as the source surface. 1089 w.mSystemDecorRect.set(0, 0, w.mRequestedWidth, w.mRequestedHeight); 1090 } else if (!w.isDefaultDisplay()) { 1091 // On a different display there is no system decor. Crop the window 1092 // by the screen boundaries. 1093 w.mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1094 w.mSystemDecorRect.intersect(-w.mCompatFrame.left, -w.mCompatFrame.top, 1095 displayInfo.logicalWidth - w.mCompatFrame.left, 1096 displayInfo.logicalHeight - w.mCompatFrame.top); 1097 } else if (w.mLayer >= mService.mSystemDecorLayer) { 1098 // Above the decor layer is easy, just use the entire window. 1099 // Unless we have a universe background... in which case all the 1100 // windows need to be cropped by the screen, so they don't cover 1101 // the universe background. 1102 if (mAnimator.mUniverseBackground == null) { 1103 w.mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), 1104 w.mCompatFrame.height()); 1105 } else { 1106 applyDecorRect(mService.mScreenRect); 1107 } 1108 } else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_UNIVERSE_BACKGROUND 1109 || w.mDecorFrame.isEmpty()) { 1110 // The universe background isn't cropped, nor windows without policy decor. 1111 w.mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), 1112 w.mCompatFrame.height()); 1113 } else { 1114 // Crop to the system decor specified by policy. 1115 applyDecorRect(w.mDecorFrame); 1116 } 1117 1118 if (!w.mSystemDecorRect.equals(w.mLastSystemDecorRect)) { 1119 w.mLastSystemDecorRect.set(w.mSystemDecorRect); 1120 try { 1121 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w, 1122 "CROP " + w.mSystemDecorRect.toShortString(), null); 1123 mSurfaceControl.setWindowCrop(w.mSystemDecorRect); 1124 } catch (RuntimeException e) { 1125 Slog.w(TAG, "Error setting crop surface of " + w 1126 + " crop=" + w.mSystemDecorRect.toShortString(), e); 1127 if (!recoveringMemory) { 1128 mService.reclaimSomeSurfaceMemoryLocked(this, "crop", true); 1129 } 1130 } 1131 } 1132 } 1133 setSurfaceBoundariesLocked(final boolean recoveringMemory)1134 void setSurfaceBoundariesLocked(final boolean recoveringMemory) { 1135 final WindowState w = mWin; 1136 int width, height; 1137 if ((w.mAttrs.flags & LayoutParams.FLAG_SCALED) != 0) { 1138 // for a scaled surface, we just want to use 1139 // the requested size. 1140 width = w.mRequestedWidth; 1141 height = w.mRequestedHeight; 1142 } else { 1143 width = w.mCompatFrame.width(); 1144 height = w.mCompatFrame.height(); 1145 } 1146 1147 if (width < 1) { 1148 width = 1; 1149 } 1150 if (height < 1) { 1151 height = 1; 1152 } 1153 final boolean surfaceResized = mSurfaceW != width || mSurfaceH != height; 1154 if (surfaceResized) { 1155 mSurfaceW = width; 1156 mSurfaceH = height; 1157 } 1158 1159 final float left = w.mShownFrame.left; 1160 final float top = w.mShownFrame.top; 1161 if (mSurfaceX != left || mSurfaceY != top) { 1162 try { 1163 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w, 1164 "POS " + left + ", " + top, null); 1165 mSurfaceX = left; 1166 mSurfaceY = top; 1167 mSurfaceControl.setPosition(left, top); 1168 } catch (RuntimeException e) { 1169 Slog.w(TAG, "Error positioning surface of " + w 1170 + " pos=(" + left 1171 + "," + top + ")", e); 1172 if (!recoveringMemory) { 1173 mService.reclaimSomeSurfaceMemoryLocked(this, "position", true); 1174 } 1175 } 1176 } 1177 1178 if (surfaceResized) { 1179 try { 1180 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w, 1181 "SIZE " + width + "x" + height, null); 1182 mSurfaceResized = true; 1183 mSurfaceControl.setSize(width, height); 1184 final int displayId = w.mDisplayContent.getDisplayId(); 1185 mAnimator.setPendingLayoutChanges(displayId, 1186 WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER); 1187 if ((w.mAttrs.flags & LayoutParams.FLAG_DIM_BEHIND) != 0) { 1188 w.getStack().startDimmingIfNeeded(this); 1189 } 1190 } catch (RuntimeException e) { 1191 // If something goes wrong with the surface (such 1192 // as running out of memory), don't take down the 1193 // entire system. 1194 Slog.e(TAG, "Error resizing surface of " + w 1195 + " size=(" + width + "x" + height + ")", e); 1196 if (!recoveringMemory) { 1197 mService.reclaimSomeSurfaceMemoryLocked(this, "size", true); 1198 } 1199 } 1200 } 1201 1202 updateSurfaceWindowCrop(recoveringMemory); 1203 } 1204 prepareSurfaceLocked(final boolean recoveringMemory)1205 public void prepareSurfaceLocked(final boolean recoveringMemory) { 1206 final WindowState w = mWin; 1207 if (mSurfaceControl == null) { 1208 if (w.mOrientationChanging) { 1209 if (DEBUG_ORIENTATION) { 1210 Slog.v(TAG, "Orientation change skips hidden " + w); 1211 } 1212 w.mOrientationChanging = false; 1213 } 1214 return; 1215 } 1216 1217 boolean displayed = false; 1218 1219 computeShownFrameLocked(); 1220 1221 setSurfaceBoundariesLocked(recoveringMemory); 1222 1223 if (mIsWallpaper && !mWin.mWallpaperVisible) { 1224 // Wallpaper is no longer visible and there is no wp target => hide it. 1225 hide(); 1226 } else if (w.mAttachedHidden || !w.isOnScreen()) { 1227 hide(); 1228 mAnimator.hideWallpapersLocked(w); 1229 1230 // If we are waiting for this window to handle an 1231 // orientation change, well, it is hidden, so 1232 // doesn't really matter. Note that this does 1233 // introduce a potential glitch if the window 1234 // becomes unhidden before it has drawn for the 1235 // new orientation. 1236 if (w.mOrientationChanging) { 1237 w.mOrientationChanging = false; 1238 if (DEBUG_ORIENTATION) Slog.v(TAG, 1239 "Orientation change skips hidden " + w); 1240 } 1241 } else if (mLastLayer != mAnimLayer 1242 || mLastAlpha != mShownAlpha 1243 || mLastDsDx != mDsDx 1244 || mLastDtDx != mDtDx 1245 || mLastDsDy != mDsDy 1246 || mLastDtDy != mDtDy 1247 || w.mLastHScale != w.mHScale 1248 || w.mLastVScale != w.mVScale 1249 || mLastHidden) { 1250 displayed = true; 1251 mLastAlpha = mShownAlpha; 1252 mLastLayer = mAnimLayer; 1253 mLastDsDx = mDsDx; 1254 mLastDtDx = mDtDx; 1255 mLastDsDy = mDsDy; 1256 mLastDtDy = mDtDy; 1257 w.mLastHScale = w.mHScale; 1258 w.mLastVScale = w.mVScale; 1259 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w, 1260 "alpha=" + mShownAlpha + " layer=" + mAnimLayer 1261 + " matrix=[" + (mDsDx*w.mHScale) 1262 + "," + (mDtDx*w.mVScale) 1263 + "][" + (mDsDy*w.mHScale) 1264 + "," + (mDtDy*w.mVScale) + "]", null); 1265 if (mSurfaceControl != null) { 1266 try { 1267 mSurfaceAlpha = mShownAlpha; 1268 mSurfaceControl.setAlpha(mShownAlpha); 1269 mSurfaceLayer = mAnimLayer; 1270 mSurfaceControl.setLayer(mAnimLayer); 1271 mSurfaceControl.setMatrix( 1272 mDsDx*w.mHScale, mDtDx*w.mVScale, 1273 mDsDy*w.mHScale, mDtDy*w.mVScale); 1274 1275 if (mLastHidden && mDrawState == HAS_DRAWN) { 1276 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w, 1277 "SHOW (performLayout)", null); 1278 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(TAG, "Showing " + w 1279 + " during relayout"); 1280 if (showSurfaceRobustlyLocked()) { 1281 mLastHidden = false; 1282 if (mIsWallpaper) { 1283 mService.dispatchWallpaperVisibility(w, true); 1284 } 1285 // This draw means the difference between unique content and mirroring. 1286 // Run another pass through performLayout to set mHasContent in the 1287 // LogicalDisplay. 1288 mAnimator.setPendingLayoutChanges(w.getDisplayId(), 1289 WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 1290 } else { 1291 w.mOrientationChanging = false; 1292 } 1293 } 1294 if (mSurfaceControl != null) { 1295 w.mToken.hasVisible = true; 1296 } 1297 } catch (RuntimeException e) { 1298 Slog.w(TAG, "Error updating surface in " + w, e); 1299 if (!recoveringMemory) { 1300 mService.reclaimSomeSurfaceMemoryLocked(this, "update", true); 1301 } 1302 } 1303 } 1304 } else { 1305 if (DEBUG_ANIM && isAnimating()) { 1306 Slog.v(TAG, "prepareSurface: No changes in animation for " + this); 1307 } 1308 displayed = true; 1309 } 1310 1311 if (displayed) { 1312 if (w.mOrientationChanging) { 1313 if (!w.isDrawnLw()) { 1314 mAnimator.mBulkUpdateParams &= ~SET_ORIENTATION_CHANGE_COMPLETE; 1315 mAnimator.mLastWindowFreezeSource = w; 1316 if (DEBUG_ORIENTATION) Slog.v(TAG, 1317 "Orientation continue waiting for draw in " + w); 1318 } else { 1319 w.mOrientationChanging = false; 1320 if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change complete in " + w); 1321 } 1322 } 1323 w.mToken.hasVisible = true; 1324 } 1325 } 1326 setTransparentRegionHintLocked(final Region region)1327 void setTransparentRegionHintLocked(final Region region) { 1328 if (mSurfaceControl == null) { 1329 Slog.w(TAG, "setTransparentRegionHint: null mSurface after mHasSurface true"); 1330 return; 1331 } 1332 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, 1333 ">>> OPEN TRANSACTION setTransparentRegion"); 1334 SurfaceControl.openTransaction(); 1335 try { 1336 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin, 1337 "transparentRegionHint=" + region, null); 1338 mSurfaceControl.setTransparentRegionHint(region); 1339 } finally { 1340 SurfaceControl.closeTransaction(); 1341 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, 1342 "<<< CLOSE TRANSACTION setTransparentRegion"); 1343 } 1344 } 1345 setWallpaperOffset(RectF shownFrame)1346 void setWallpaperOffset(RectF shownFrame) { 1347 final int left = (int) shownFrame.left; 1348 final int top = (int) shownFrame.top; 1349 if (mSurfaceX != left || mSurfaceY != top) { 1350 mSurfaceX = left; 1351 mSurfaceY = top; 1352 if (mAnimating) { 1353 // If this window (or its app token) is animating, then the position 1354 // of the surface will be re-computed on the next animation frame. 1355 // We can't poke it directly here because it depends on whatever 1356 // transformation is being applied by the animation. 1357 return; 1358 } 1359 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, 1360 ">>> OPEN TRANSACTION setWallpaperOffset"); 1361 SurfaceControl.openTransaction(); 1362 try { 1363 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin, 1364 "POS " + left + ", " + top, null); 1365 mSurfaceControl.setPosition(mWin.mFrame.left + left, mWin.mFrame.top + top); 1366 updateSurfaceWindowCrop(false); 1367 } catch (RuntimeException e) { 1368 Slog.w(TAG, "Error positioning surface of " + mWin 1369 + " pos=(" + left + "," + top + ")", e); 1370 } finally { 1371 SurfaceControl.closeTransaction(); 1372 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, 1373 "<<< CLOSE TRANSACTION setWallpaperOffset"); 1374 } 1375 } 1376 } 1377 1378 // This must be called while inside a transaction. performShowLocked()1379 boolean performShowLocked() { 1380 if (mWin.isHiddenFromUserLocked()) { 1381 Slog.w(TAG, "current user violation " + mService.mCurrentUserId + " trying to display " 1382 + this + ", type " + mWin.mAttrs.type + ", belonging to " + mWin.mOwnerUid); 1383 return false; 1384 } 1385 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1386 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1387 RuntimeException e = null; 1388 if (!WindowManagerService.HIDE_STACK_CRAWLS) { 1389 e = new RuntimeException(); 1390 e.fillInStackTrace(); 1391 } 1392 Slog.v(TAG, "performShow on " + this 1393 + ": mDrawState=" + mDrawState + " readyForDisplay=" 1394 + mWin.isReadyForDisplayIgnoringKeyguard() 1395 + " starting=" + (mWin.mAttrs.type == TYPE_APPLICATION_STARTING) 1396 + " during animation: policyVis=" + mWin.mPolicyVisibility 1397 + " attHidden=" + mWin.mAttachedHidden 1398 + " tok.hiddenRequested=" 1399 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1400 + " tok.hidden=" 1401 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1402 + " animating=" + mAnimating 1403 + " tok animating=" 1404 + (mAppAnimator != null ? mAppAnimator.animating : false), e); 1405 } 1406 if (mDrawState == READY_TO_SHOW && mWin.isReadyForDisplayIgnoringKeyguard()) { 1407 if (SHOW_TRANSACTIONS || DEBUG_ORIENTATION) 1408 WindowManagerService.logSurface(mWin, "SHOW (performShowLocked)", null); 1409 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1410 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1411 Slog.v(TAG, "Showing " + this 1412 + " during animation: policyVis=" + mWin.mPolicyVisibility 1413 + " attHidden=" + mWin.mAttachedHidden 1414 + " tok.hiddenRequested=" 1415 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1416 + " tok.hidden=" 1417 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1418 + " animating=" + mAnimating 1419 + " tok animating=" 1420 + (mAppAnimator != null ? mAppAnimator.animating : false)); 1421 } 1422 1423 mService.enableScreenIfNeededLocked(); 1424 1425 applyEnterAnimationLocked(); 1426 1427 // Force the show in the next prepareSurfaceLocked() call. 1428 mLastAlpha = -1; 1429 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) 1430 Slog.v(TAG, "performShowLocked: mDrawState=HAS_DRAWN in " + this); 1431 mDrawState = HAS_DRAWN; 1432 mService.scheduleAnimationLocked(); 1433 1434 int i = mWin.mChildWindows.size(); 1435 while (i > 0) { 1436 i--; 1437 WindowState c = mWin.mChildWindows.get(i); 1438 if (c.mAttachedHidden) { 1439 c.mAttachedHidden = false; 1440 if (c.mWinAnimator.mSurfaceControl != null) { 1441 c.mWinAnimator.performShowLocked(); 1442 // It hadn't been shown, which means layout not 1443 // performed on it, so now we want to make sure to 1444 // do a layout. If called from within the transaction 1445 // loop, this will cause it to restart with a new 1446 // layout. 1447 c.mDisplayContent.layoutNeeded = true; 1448 } 1449 } 1450 } 1451 1452 if (mWin.mAttrs.type != TYPE_APPLICATION_STARTING 1453 && mWin.mAppToken != null) { 1454 mWin.mAppToken.firstWindowDrawn = true; 1455 1456 if (mWin.mAppToken.startingData != null) { 1457 if (WindowManagerService.DEBUG_STARTING_WINDOW || 1458 WindowManagerService.DEBUG_ANIM) Slog.v(TAG, 1459 "Finish starting " + mWin.mToken 1460 + ": first real window is shown, no animation"); 1461 // If this initial window is animating, stop it -- we 1462 // will do an animation to reveal it from behind the 1463 // starting window, so there is no need for it to also 1464 // be doing its own stuff. 1465 clearAnimation(); 1466 mService.mFinishedStarting.add(mWin.mAppToken); 1467 mService.mH.sendEmptyMessage(H.FINISHED_STARTING); 1468 } 1469 mWin.mAppToken.updateReportedVisibilityLocked(); 1470 } 1471 1472 return true; 1473 } 1474 1475 return false; 1476 } 1477 1478 /** 1479 * Have the surface flinger show a surface, robustly dealing with 1480 * error conditions. In particular, if there is not enough memory 1481 * to show the surface, then we will try to get rid of other surfaces 1482 * in order to succeed. 1483 * 1484 * @return Returns true if the surface was successfully shown. 1485 */ showSurfaceRobustlyLocked()1486 boolean showSurfaceRobustlyLocked() { 1487 try { 1488 if (mSurfaceControl != null) { 1489 mSurfaceShown = true; 1490 mSurfaceControl.show(); 1491 if (mWin.mTurnOnScreen) { 1492 if (DEBUG_VISIBILITY) Slog.v(TAG, 1493 "Show surface turning screen on: " + mWin); 1494 mWin.mTurnOnScreen = false; 1495 mAnimator.mBulkUpdateParams |= SET_TURN_ON_SCREEN; 1496 } 1497 } 1498 return true; 1499 } catch (RuntimeException e) { 1500 Slog.w(TAG, "Failure showing surface " + mSurfaceControl + " in " + mWin, e); 1501 } 1502 1503 mService.reclaimSomeSurfaceMemoryLocked(this, "show", true); 1504 1505 return false; 1506 } 1507 applyEnterAnimationLocked()1508 void applyEnterAnimationLocked() { 1509 final int transit; 1510 if (mEnterAnimationPending) { 1511 mEnterAnimationPending = false; 1512 transit = WindowManagerPolicy.TRANSIT_ENTER; 1513 } else { 1514 transit = WindowManagerPolicy.TRANSIT_SHOW; 1515 } 1516 applyAnimationLocked(transit, true); 1517 //TODO (multidisplay): Magnification is supported only for the default display. 1518 if (mService.mDisplayMagnifier != null 1519 && mWin.getDisplayId() == Display.DEFAULT_DISPLAY) { 1520 mService.mDisplayMagnifier.onWindowTransitionLocked(mWin, transit); 1521 } 1522 } 1523 1524 /** 1525 * Choose the correct animation and set it to the passed WindowState. 1526 * @param transit If AppTransition.TRANSIT_PREVIEW_DONE and the app window has been drawn 1527 * then the animation will be app_starting_exit. Any other value loads the animation from 1528 * the switch statement below. 1529 * @param isEntrance The animation type the last time this was called. Used to keep from 1530 * loading the same animation twice. 1531 * @return true if an animation has been loaded. 1532 */ applyAnimationLocked(int transit, boolean isEntrance)1533 boolean applyAnimationLocked(int transit, boolean isEntrance) { 1534 if (mLocalAnimating && mAnimationIsEntrance == isEntrance) { 1535 // If we are trying to apply an animation, but already running 1536 // an animation of the same type, then just leave that one alone. 1537 return true; 1538 } 1539 1540 // Only apply an animation if the display isn't frozen. If it is 1541 // frozen, there is no reason to animate and it can cause strange 1542 // artifacts when we unfreeze the display if some different animation 1543 // is running. 1544 if (mService.okToDisplay()) { 1545 int anim = mPolicy.selectAnimationLw(mWin, transit); 1546 int attr = -1; 1547 Animation a = null; 1548 if (anim != 0) { 1549 a = anim != -1 ? AnimationUtils.loadAnimation(mContext, anim) : null; 1550 } else { 1551 switch (transit) { 1552 case WindowManagerPolicy.TRANSIT_ENTER: 1553 attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation; 1554 break; 1555 case WindowManagerPolicy.TRANSIT_EXIT: 1556 attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation; 1557 break; 1558 case WindowManagerPolicy.TRANSIT_SHOW: 1559 attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation; 1560 break; 1561 case WindowManagerPolicy.TRANSIT_HIDE: 1562 attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation; 1563 break; 1564 } 1565 if (attr >= 0) { 1566 a = mService.mAppTransition.loadAnimation(mWin.mAttrs, attr); 1567 } 1568 } 1569 if (WindowManagerService.DEBUG_ANIM) Slog.v(TAG, 1570 "applyAnimation: win=" + this 1571 + " anim=" + anim + " attr=0x" + Integer.toHexString(attr) 1572 + " a=" + a 1573 + " transit=" + transit 1574 + " isEntrance=" + isEntrance + " Callers " + Debug.getCallers(3)); 1575 if (a != null) { 1576 if (WindowManagerService.DEBUG_ANIM) { 1577 RuntimeException e = null; 1578 if (!WindowManagerService.HIDE_STACK_CRAWLS) { 1579 e = new RuntimeException(); 1580 e.fillInStackTrace(); 1581 } 1582 Slog.v(TAG, "Loaded animation " + a + " for " + this, e); 1583 } 1584 setAnimation(a); 1585 mAnimationIsEntrance = isEntrance; 1586 } 1587 } else { 1588 clearAnimation(); 1589 } 1590 1591 return mAnimation != null; 1592 } 1593 dump(PrintWriter pw, String prefix, boolean dumpAll)1594 public void dump(PrintWriter pw, String prefix, boolean dumpAll) { 1595 if (mAnimating || mLocalAnimating || mAnimationIsEntrance 1596 || mAnimation != null) { 1597 pw.print(prefix); pw.print("mAnimating="); pw.print(mAnimating); 1598 pw.print(" mLocalAnimating="); pw.print(mLocalAnimating); 1599 pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance); 1600 pw.print(" mAnimation="); pw.println(mAnimation); 1601 } 1602 if (mHasTransformation || mHasLocalTransformation) { 1603 pw.print(prefix); pw.print("XForm: has="); 1604 pw.print(mHasTransformation); 1605 pw.print(" hasLocal="); pw.print(mHasLocalTransformation); 1606 pw.print(" "); mTransformation.printShortString(pw); 1607 pw.println(); 1608 } 1609 if (mSurfaceControl != null) { 1610 if (dumpAll) { 1611 pw.print(prefix); pw.print("mSurface="); pw.println(mSurfaceControl); 1612 pw.print(prefix); pw.print("mDrawState="); 1613 pw.print(drawStateToString(mDrawState)); 1614 pw.print(" mLastHidden="); pw.println(mLastHidden); 1615 } 1616 pw.print(prefix); pw.print("Surface: shown="); pw.print(mSurfaceShown); 1617 pw.print(" layer="); pw.print(mSurfaceLayer); 1618 pw.print(" alpha="); pw.print(mSurfaceAlpha); 1619 pw.print(" rect=("); pw.print(mSurfaceX); 1620 pw.print(","); pw.print(mSurfaceY); 1621 pw.print(") "); pw.print(mSurfaceW); 1622 pw.print(" x "); pw.println(mSurfaceH); 1623 } 1624 if (mPendingDestroySurface != null) { 1625 pw.print(prefix); pw.print("mPendingDestroySurface="); 1626 pw.println(mPendingDestroySurface); 1627 } 1628 if (mSurfaceResized || mSurfaceDestroyDeferred) { 1629 pw.print(prefix); pw.print("mSurfaceResized="); pw.print(mSurfaceResized); 1630 pw.print(" mSurfaceDestroyDeferred="); pw.println(mSurfaceDestroyDeferred); 1631 } 1632 if (mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_UNIVERSE_BACKGROUND) { 1633 pw.print(prefix); pw.print("mUniverseTransform="); 1634 mUniverseTransform.printShortString(pw); 1635 pw.println(); 1636 } 1637 if (mShownAlpha != 1 || mAlpha != 1 || mLastAlpha != 1) { 1638 pw.print(prefix); pw.print("mShownAlpha="); pw.print(mShownAlpha); 1639 pw.print(" mAlpha="); pw.print(mAlpha); 1640 pw.print(" mLastAlpha="); pw.println(mLastAlpha); 1641 } 1642 if (mHaveMatrix || mWin.mGlobalScale != 1) { 1643 pw.print(prefix); pw.print("mGlobalScale="); pw.print(mWin.mGlobalScale); 1644 pw.print(" mDsDx="); pw.print(mDsDx); 1645 pw.print(" mDtDx="); pw.print(mDtDx); 1646 pw.print(" mDsDy="); pw.print(mDsDy); 1647 pw.print(" mDtDy="); pw.println(mDtDy); 1648 } 1649 } 1650 1651 @Override toString()1652 public String toString() { 1653 StringBuffer sb = new StringBuffer("WindowStateAnimator{"); 1654 sb.append(Integer.toHexString(System.identityHashCode(this))); 1655 sb.append(' '); 1656 sb.append(mWin.mAttrs.getTitle()); 1657 sb.append('}'); 1658 return sb.toString(); 1659 } 1660 } 1661