WindowStateAnimator.java revision 9848c84d026186aa9a186d4587b615aae06a2ef6
1/* 2 * Copyright (C) 2014 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 com.android.server.wm; 18 19import static android.app.ActivityManager.StackId; 20import static android.app.ActivityManager.StackId.PINNED_STACK_ID; 21import static android.view.Display.DEFAULT_DISPLAY; 22import static android.view.WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; 23import static android.view.WindowManager.LayoutParams.FLAG_SCALED; 24import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 25import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; 26import static com.android.server.wm.AppWindowAnimator.sDummyAnimation; 27import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_FREEFORM; 28import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE; 29import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM; 30import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS; 31import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT_REPEATS; 32import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION; 33import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STARTING_WINDOW; 34import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SURFACE_TRACE; 35import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY; 36import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER; 37import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_CROP; 38import static com.android.server.wm.WindowManagerDebugConfig.SHOW_LIGHT_TRANSACTIONS; 39import static com.android.server.wm.WindowManagerDebugConfig.SHOW_SURFACE_ALLOC; 40import static com.android.server.wm.WindowManagerDebugConfig.SHOW_TRANSACTIONS; 41import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; 42import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; 43import static com.android.server.wm.WindowManagerService.TYPE_LAYER_MULTIPLIER; 44import static com.android.server.wm.WindowManagerService.localLOGV; 45import static com.android.server.wm.WindowManagerService.logWithStack; 46import static com.android.server.wm.WindowSurfacePlacer.SET_ORIENTATION_CHANGE_COMPLETE; 47import static com.android.server.wm.WindowSurfacePlacer.SET_TURN_ON_SCREEN; 48 49import android.content.Context; 50import android.graphics.Matrix; 51import android.graphics.PixelFormat; 52import android.graphics.Point; 53import android.graphics.Rect; 54import android.graphics.Region; 55import android.os.Debug; 56import android.os.RemoteException; 57import android.util.Slog; 58import android.view.DisplayInfo; 59import android.view.MagnificationSpec; 60import android.view.Surface.OutOfResourcesException; 61import android.view.SurfaceControl; 62import android.view.WindowManager; 63import android.view.WindowManager.LayoutParams; 64import android.view.WindowManagerPolicy; 65import android.view.animation.Animation; 66import android.view.animation.AnimationSet; 67import android.view.animation.AnimationUtils; 68import android.view.animation.Transformation; 69 70import com.android.server.wm.WindowManagerService.H; 71 72import java.io.PrintWriter; 73 74/** 75 * Keep track of animations and surface operations for a single WindowState. 76 **/ 77class WindowStateAnimator { 78 static final String TAG = TAG_WITH_CLASS_NAME ? "WindowStateAnimator" : TAG_WM; 79 static final int WINDOW_FREEZE_LAYER = TYPE_LAYER_MULTIPLIER * 200; 80 81 /** 82 * Mode how the window gets clipped by the stack bounds during an animation: The clipping should 83 * be applied after applying the animation transformation, i.e. the stack bounds don't move 84 * during the animation. 85 */ 86 static final int STACK_CLIP_AFTER_ANIM = 0; 87 88 /** 89 * Mode how the window gets clipped by the stack bounds: The clipping should be applied before 90 * applying the animation transformation, i.e. the stack bounds move with the window. 91 */ 92 static final int STACK_CLIP_BEFORE_ANIM = 1; 93 94 /** 95 * Mode how window gets clipped by the stack bounds during an animation: Don't clip the window 96 * by the stack bounds. 97 */ 98 static final int STACK_CLIP_NONE = 2; 99 100 // Unchanging local convenience fields. 101 final WindowManagerService mService; 102 final WindowState mWin; 103 final WindowStateAnimator mAttachedWinAnimator; 104 final WindowAnimator mAnimator; 105 AppWindowAnimator mAppAnimator; 106 final Session mSession; 107 final WindowManagerPolicy mPolicy; 108 final Context mContext; 109 final boolean mIsWallpaper; 110 final WallpaperController mWallpaperControllerLocked; 111 112 // Currently running animation. 113 boolean mAnimating; 114 boolean mLocalAnimating; 115 Animation mAnimation; 116 boolean mAnimationIsEntrance; 117 boolean mHasTransformation; 118 boolean mHasLocalTransformation; 119 final Transformation mTransformation = new Transformation(); 120 boolean mWasAnimating; // Were we animating going into the most recent animation step? 121 int mAnimLayer; 122 int mLastLayer; 123 long mAnimationStartTime; 124 long mLastAnimationTime; 125 int mStackClip = STACK_CLIP_BEFORE_ANIM; 126 127 /** 128 * Set when we have changed the size of the surface, to know that 129 * we must tell them application to resize (and thus redraw itself). 130 */ 131 boolean mSurfaceResized; 132 /** 133 * Whether we should inform the client on next relayoutWindow that 134 * the surface has been resized since last time. 135 */ 136 boolean mReportSurfaceResized; 137 WindowSurfaceController mSurfaceController; 138 private WindowSurfaceController mPendingDestroySurface; 139 140 /** 141 * Set if the client has asked that the destroy of its surface be delayed 142 * until it explicitly says it is okay. 143 */ 144 boolean mSurfaceDestroyDeferred; 145 146 private boolean mDestroyPreservedSurfaceUponRedraw; 147 float mShownAlpha = 0; 148 float mAlpha = 0; 149 float mLastAlpha = 0; 150 151 boolean mHasClipRect; 152 Rect mClipRect = new Rect(); 153 Rect mTmpClipRect = new Rect(); 154 Rect mTmpFinalClipRect = new Rect(); 155 Rect mLastClipRect = new Rect(); 156 Rect mLastFinalClipRect = new Rect(); 157 Rect mTmpStackBounds = new Rect(); 158 159 /** 160 * This is rectangle of the window's surface that is not covered by 161 * system decorations. 162 */ 163 private final Rect mSystemDecorRect = new Rect(); 164 private final Rect mLastSystemDecorRect = new Rect(); 165 166 // Used to save animation distances between the time they are calculated and when they are used. 167 private int mAnimDx; 168 private int mAnimDy; 169 170 /** Is the next animation to be started a window move animation? */ 171 private boolean mAnimateMove = false; 172 173 float mDsDx=1, mDtDx=0, mDsDy=0, mDtDy=1; 174 float mLastDsDx=1, mLastDtDx=0, mLastDsDy=0, mLastDtDy=1; 175 176 boolean mHaveMatrix; 177 178 // Set to true if, when the window gets displayed, it should perform 179 // an enter animation. 180 boolean mEnterAnimationPending; 181 182 /** Used to indicate that this window is undergoing an enter animation. Used for system 183 * windows to make the callback to View.dispatchOnWindowShownCallback(). Set when the 184 * window is first added or shown, cleared when the callback has been made. */ 185 boolean mEnteringAnimation; 186 187 private boolean mAnimationStartDelayed; 188 189 boolean mKeyguardGoingAwayAnimation; 190 boolean mKeyguardGoingAwayWithWallpaper; 191 192 /** The pixel format of the underlying SurfaceControl */ 193 int mSurfaceFormat; 194 195 /** This is set when there is no Surface */ 196 static final int NO_SURFACE = 0; 197 /** This is set after the Surface has been created but before the window has been drawn. During 198 * this time the surface is hidden. */ 199 static final int DRAW_PENDING = 1; 200 /** This is set after the window has finished drawing for the first time but before its surface 201 * is shown. The surface will be displayed when the next layout is run. */ 202 static final int COMMIT_DRAW_PENDING = 2; 203 /** This is set during the time after the window's drawing has been committed, and before its 204 * surface is actually shown. It is used to delay showing the surface until all windows in a 205 * token are ready to be shown. */ 206 static final int READY_TO_SHOW = 3; 207 /** Set when the window has been shown in the screen the first time. */ 208 static final int HAS_DRAWN = 4; 209 210 String drawStateToString() { 211 switch (mDrawState) { 212 case NO_SURFACE: return "NO_SURFACE"; 213 case DRAW_PENDING: return "DRAW_PENDING"; 214 case COMMIT_DRAW_PENDING: return "COMMIT_DRAW_PENDING"; 215 case READY_TO_SHOW: return "READY_TO_SHOW"; 216 case HAS_DRAWN: return "HAS_DRAWN"; 217 default: return Integer.toString(mDrawState); 218 } 219 } 220 int mDrawState; 221 222 /** Was this window last hidden? */ 223 boolean mLastHidden; 224 225 int mAttrType; 226 227 static final long PENDING_TRANSACTION_FINISH_WAIT_TIME = 100; 228 long mDeferTransactionUntilFrame = -1; 229 long mDeferTransactionTime = -1; 230 231 private final Rect mTmpSize = new Rect(); 232 233 WindowStateAnimator(final WindowState win) { 234 final WindowManagerService service = win.mService; 235 236 mService = service; 237 mAnimator = service.mAnimator; 238 mPolicy = service.mPolicy; 239 mContext = service.mContext; 240 final DisplayContent displayContent = win.getDisplayContent(); 241 if (displayContent != null) { 242 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 243 mAnimDx = displayInfo.appWidth; 244 mAnimDy = displayInfo.appHeight; 245 } else { 246 Slog.w(TAG, "WindowStateAnimator ctor: Display has been removed"); 247 // This is checked on return and dealt with. 248 } 249 250 mWin = win; 251 mAttachedWinAnimator = win.mAttachedWindow == null 252 ? null : win.mAttachedWindow.mWinAnimator; 253 mAppAnimator = win.mAppToken == null ? null : win.mAppToken.mAppAnimator; 254 mSession = win.mSession; 255 mAttrType = win.mAttrs.type; 256 mIsWallpaper = win.mIsWallpaper; 257 mWallpaperControllerLocked = mService.mWallpaperControllerLocked; 258 } 259 260 public void setAnimation(Animation anim, long startTime, int stackClip) { 261 if (localLOGV) Slog.v(TAG, "Setting animation in " + this + ": " + anim); 262 mAnimating = false; 263 mLocalAnimating = false; 264 mAnimation = anim; 265 mAnimation.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION); 266 mAnimation.scaleCurrentDuration(mService.getWindowAnimationScaleLocked()); 267 // Start out animation gone if window is gone, or visible if window is visible. 268 mTransformation.clear(); 269 mTransformation.setAlpha(mLastHidden ? 0 : 1); 270 mHasLocalTransformation = true; 271 mAnimationStartTime = startTime; 272 mStackClip = stackClip; 273 } 274 275 public void setAnimation(Animation anim, int stackClip) { 276 setAnimation(anim, -1, stackClip); 277 } 278 279 public void setAnimation(Animation anim) { 280 setAnimation(anim, -1, STACK_CLIP_AFTER_ANIM); 281 } 282 283 public void clearAnimation() { 284 if (mAnimation != null) { 285 mAnimating = true; 286 mLocalAnimating = false; 287 mAnimation.cancel(); 288 mAnimation = null; 289 mKeyguardGoingAwayAnimation = false; 290 mKeyguardGoingAwayWithWallpaper = false; 291 mStackClip = STACK_CLIP_BEFORE_ANIM; 292 } 293 } 294 295 /** 296 * Is the window or its container currently set to animate or currently animating? 297 */ 298 boolean isAnimationSet() { 299 return mAnimation != null 300 || (mAttachedWinAnimator != null && mAttachedWinAnimator.mAnimation != null) 301 || (mAppAnimator != null && mAppAnimator.isAnimating()); 302 } 303 304 /** 305 * @return whether an animation is about to start, i.e. the animation is set already but we 306 * haven't processed the first frame yet. 307 */ 308 boolean isAnimationStarting() { 309 return isAnimationSet() && !mAnimating; 310 } 311 312 /** Is the window animating the DummyAnimation? */ 313 boolean isDummyAnimation() { 314 return mAppAnimator != null 315 && mAppAnimator.animation == sDummyAnimation; 316 } 317 318 /** 319 * Is this window currently set to animate or currently animating? 320 */ 321 boolean isWindowAnimationSet() { 322 return mAnimation != null; 323 } 324 325 void cancelExitAnimationForNextAnimationLocked() { 326 if (DEBUG_ANIM) Slog.d(TAG, 327 "cancelExitAnimationForNextAnimationLocked: " + mWin); 328 329 if (mAnimation != null) { 330 mAnimation.cancel(); 331 mAnimation = null; 332 mLocalAnimating = false; 333 mWin.destroyOrSaveSurface(); 334 } 335 } 336 337 private boolean stepAnimation(long currentTime) { 338 if ((mAnimation == null) || !mLocalAnimating) { 339 return false; 340 } 341 currentTime = getAnimationFrameTime(mAnimation, currentTime); 342 mTransformation.clear(); 343 final boolean more = mAnimation.getTransformation(currentTime, mTransformation); 344 if (mAnimationStartDelayed && mAnimationIsEntrance) { 345 mTransformation.setAlpha(0f); 346 } 347 if (false && DEBUG_ANIM) Slog.v(TAG, "Stepped animation in " + this + ": more=" + more 348 + ", xform=" + mTransformation); 349 return more; 350 } 351 352 // This must be called while inside a transaction. Returns true if 353 // there is more animation to run. 354 boolean stepAnimationLocked(long currentTime) { 355 // Save the animation state as it was before this step so WindowManagerService can tell if 356 // we just started or just stopped animating by comparing mWasAnimating with isAnimationSet(). 357 mWasAnimating = mAnimating; 358 final DisplayContent displayContent = mWin.getDisplayContent(); 359 if (displayContent != null && mService.okToDisplay()) { 360 // We will run animations as long as the display isn't frozen. 361 362 if (mWin.isDrawnLw() && mAnimation != null) { 363 mHasTransformation = true; 364 mHasLocalTransformation = true; 365 if (!mLocalAnimating) { 366 if (DEBUG_ANIM) Slog.v( 367 TAG, "Starting animation in " + this + 368 " @ " + currentTime + ": ww=" + mWin.mFrame.width() + 369 " wh=" + mWin.mFrame.height() + 370 " dx=" + mAnimDx + " dy=" + mAnimDy + 371 " scale=" + mService.getWindowAnimationScaleLocked()); 372 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 373 if (mAnimateMove) { 374 mAnimateMove = false; 375 mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), 376 mAnimDx, mAnimDy); 377 } else { 378 mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), 379 displayInfo.appWidth, displayInfo.appHeight); 380 } 381 mAnimDx = displayInfo.appWidth; 382 mAnimDy = displayInfo.appHeight; 383 mAnimation.setStartTime(mAnimationStartTime != -1 384 ? mAnimationStartTime 385 : currentTime); 386 mLocalAnimating = true; 387 mAnimating = true; 388 } 389 if ((mAnimation != null) && mLocalAnimating) { 390 mLastAnimationTime = currentTime; 391 if (stepAnimation(currentTime)) { 392 return true; 393 } 394 } 395 if (DEBUG_ANIM) Slog.v( 396 TAG, "Finished animation in " + this + 397 " @ " + currentTime); 398 //WindowManagerService.this.dump(); 399 } 400 mHasLocalTransformation = false; 401 if ((!mLocalAnimating || mAnimationIsEntrance) && mAppAnimator != null 402 && mAppAnimator.animation != null) { 403 // When our app token is animating, we kind-of pretend like 404 // we are as well. Note the mLocalAnimating mAnimationIsEntrance 405 // part of this check means that we will only do this if 406 // our window is not currently exiting, or it is not 407 // locally animating itself. The idea being that one that 408 // is exiting and doing a local animation should be removed 409 // once that animation is done. 410 mAnimating = true; 411 mHasTransformation = true; 412 mTransformation.clear(); 413 return false; 414 } else if (mHasTransformation) { 415 // Little trick to get through the path below to act like 416 // we have finished an animation. 417 mAnimating = true; 418 } else if (isAnimationSet()) { 419 mAnimating = true; 420 } 421 } else if (mAnimation != null) { 422 // If the display is frozen, and there is a pending animation, 423 // clear it and make sure we run the cleanup code. 424 mAnimating = true; 425 } 426 427 if (!mAnimating && !mLocalAnimating) { 428 return false; 429 } 430 431 // Done animating, clean up. 432 if (DEBUG_ANIM) Slog.v( 433 TAG, "Animation done in " + this + ": exiting=" + mWin.mAnimatingExit 434 + ", reportedVisible=" 435 + (mWin.mAppToken != null ? mWin.mAppToken.reportedVisible : false)); 436 437 mAnimating = false; 438 mKeyguardGoingAwayAnimation = false; 439 mKeyguardGoingAwayWithWallpaper = false; 440 mLocalAnimating = false; 441 if (mAnimation != null) { 442 mAnimation.cancel(); 443 mAnimation = null; 444 } 445 if (mAnimator.mWindowDetachedWallpaper == mWin) { 446 mAnimator.mWindowDetachedWallpaper = null; 447 } 448 mAnimLayer = mWin.mLayer 449 + mService.mLayersController.getSpecialWindowAnimLayerAdjustment(mWin); 450 if (DEBUG_LAYERS) Slog.v(TAG, "Stepping win " + this + " anim layer: " + mAnimLayer); 451 mHasTransformation = false; 452 mHasLocalTransformation = false; 453 mStackClip = STACK_CLIP_BEFORE_ANIM; 454 mWin.checkPolicyVisibilityChange(); 455 mTransformation.clear(); 456 if (mDrawState == HAS_DRAWN 457 && mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING 458 && mWin.mAppToken != null 459 && mWin.mAppToken.firstWindowDrawn 460 && mWin.mAppToken.startingData != null) { 461 if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Finish starting " 462 + mWin.mToken + ": first real window done animating"); 463 mService.mFinishedStarting.add(mWin.mAppToken); 464 mService.mH.sendEmptyMessage(H.FINISHED_STARTING); 465 } else if (mAttrType == LayoutParams.TYPE_STATUS_BAR && mWin.mPolicyVisibility) { 466 // Upon completion of a not-visible to visible status bar animation a relayout is 467 // required. 468 if (displayContent != null) { 469 displayContent.layoutNeeded = true; 470 } 471 } 472 473 finishExit(); 474 final int displayId = mWin.getDisplayId(); 475 mAnimator.setPendingLayoutChanges(displayId, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 476 if (DEBUG_LAYOUT_REPEATS) 477 mService.mWindowPlacerLocked.debugLayoutRepeats( 478 "WindowStateAnimator", mAnimator.getPendingLayoutChanges(displayId)); 479 480 if (mWin.mAppToken != null) { 481 mWin.mAppToken.updateReportedVisibilityLocked(); 482 } 483 484 return false; 485 } 486 487 void finishExit() { 488 if (DEBUG_ANIM) Slog.v( 489 TAG, "finishExit in " + this 490 + ": exiting=" + mWin.mAnimatingExit 491 + " remove=" + mWin.mRemoveOnExit 492 + " windowAnimating=" + isWindowAnimationSet()); 493 494 if (!mWin.mChildWindows.isEmpty()) { 495 // Copying to a different list as multiple children can be removed. 496 final WindowList childWindows = new WindowList(mWin.mChildWindows); 497 for (int i = childWindows.size() - 1; i >= 0; i--) { 498 childWindows.get(i).mWinAnimator.finishExit(); 499 } 500 } 501 502 if (mEnteringAnimation) { 503 mEnteringAnimation = false; 504 mService.requestTraversal(); 505 // System windows don't have an activity and an app token as a result, but need a way 506 // to be informed about their entrance animation end. 507 if (mWin.mAppToken == null) { 508 try { 509 mWin.mClient.dispatchWindowShown(); 510 } catch (RemoteException e) { 511 } 512 } 513 } 514 515 if (!isWindowAnimationSet()) { 516 //TODO (multidisplay): Accessibility is supported only for the default display. 517 if (mService.mAccessibilityController != null 518 && mWin.getDisplayId() == DEFAULT_DISPLAY) { 519 mService.mAccessibilityController.onSomeWindowResizedOrMovedLocked(); 520 } 521 } 522 523 if (!mWin.mAnimatingExit) { 524 return; 525 } 526 527 if (isWindowAnimationSet()) { 528 return; 529 } 530 531 if (WindowManagerService.localLOGV || DEBUG_ADD_REMOVE) Slog.v(TAG, 532 "Exit animation finished in " + this + ": remove=" + mWin.mRemoveOnExit); 533 534 535 mWin.mDestroying = true; 536 537 final boolean hasSurface = hasSurface(); 538 if (hasSurface) { 539 hide("finishExit"); 540 } 541 542 // If we have an app token, we ask it to destroy the surface for us, 543 // so that it can take care to ensure the activity has actually stopped 544 // and the surface is not still in use. Otherwise we add the service to 545 // mDestroySurface and allow it to be processed in our next transaction. 546 if (mWin.mAppToken != null) { 547 mWin.mAppToken.destroySurfaces(); 548 } else { 549 if (hasSurface) { 550 mService.mDestroySurface.add(mWin); 551 } 552 if (mWin.mRemoveOnExit) { 553 mService.mPendingRemove.add(mWin); 554 mWin.mRemoveOnExit = false; 555 } 556 } 557 mWin.mAnimatingExit = false; 558 mWallpaperControllerLocked.hideWallpapers(mWin); 559 } 560 561 void hide(String reason) { 562 if (!mLastHidden) { 563 //dump(); 564 mLastHidden = true; 565 if (mSurfaceController != null) { 566 mSurfaceController.hideInTransaction(reason); 567 } 568 } 569 } 570 571 boolean finishDrawingLocked() { 572 final boolean startingWindow = 573 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 574 if (DEBUG_STARTING_WINDOW && startingWindow) { 575 Slog.v(TAG, "Finishing drawing window " + mWin + ": mDrawState=" 576 + drawStateToString()); 577 } 578 579 if (mWin.mAppToken != null && mWin.mAppToken.mAnimatingWithSavedSurface) { 580 // App has drawn something to its windows, we're no longer animating with 581 // the saved surfaces. If the user exits now, we only want to save again 582 // if allDrawn is true. 583 if (DEBUG_ANIM) Slog.d(TAG, 584 "finishDrawingLocked: mAnimatingWithSavedSurface=false " + mWin); 585 mWin.mAppToken.mAnimatingWithSavedSurface = false; 586 } 587 if (mDrawState == DRAW_PENDING) { 588 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM || SHOW_TRANSACTIONS || DEBUG_ORIENTATION) 589 Slog.v(TAG, "finishDrawingLocked: mDrawState=COMMIT_DRAW_PENDING " + mWin + " in " 590 + mSurfaceController); 591 if (DEBUG_STARTING_WINDOW && startingWindow) { 592 Slog.v(TAG, "Draw state now committed in " + mWin); 593 } 594 mDrawState = COMMIT_DRAW_PENDING; 595 return true; 596 } 597 598 return false; 599 } 600 601 // This must be called while inside a transaction. 602 boolean commitFinishDrawingLocked() { 603 if (DEBUG_STARTING_WINDOW && 604 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { 605 Slog.i(TAG, "commitFinishDrawingLocked: " + mWin + " cur mDrawState=" 606 + drawStateToString()); 607 } 608 if (mDrawState != COMMIT_DRAW_PENDING && mDrawState != READY_TO_SHOW) { 609 return false; 610 } 611 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) { 612 Slog.i(TAG, "commitFinishDrawingLocked: mDrawState=READY_TO_SHOW " + mSurfaceController); 613 } 614 mDrawState = READY_TO_SHOW; 615 boolean result = false; 616 final AppWindowToken atoken = mWin.mAppToken; 617 if (atoken == null || atoken.allDrawn || mWin.mAttrs.type == TYPE_APPLICATION_STARTING) { 618 result = performShowLocked(); 619 } 620 return result; 621 } 622 623 void preserveSurfaceLocked() { 624 if (mDestroyPreservedSurfaceUponRedraw) { 625 // This could happen when switching the surface mode very fast. For example, 626 // we preserved a surface when dragResizing changed to true. Then before the 627 // preserved surface is removed, dragResizing changed to false again. 628 // In this case, we need to leave the preserved surface alone, and destroy 629 // the actual surface, so that the createSurface call could create a surface 630 // of the proper size. The preserved surface will still be removed when client 631 // finishes drawing to the new surface. 632 mSurfaceDestroyDeferred = false; 633 destroySurfaceLocked(); 634 mSurfaceDestroyDeferred = true; 635 return; 636 } 637 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin, "SET FREEZE LAYER", false); 638 if (mSurfaceController != null) { 639 mSurfaceController.setLayer(mAnimLayer + 1); 640 } 641 mDestroyPreservedSurfaceUponRedraw = true; 642 mSurfaceDestroyDeferred = true; 643 destroySurfaceLocked(); 644 } 645 646 void destroyPreservedSurfaceLocked() { 647 if (!mDestroyPreservedSurfaceUponRedraw) { 648 return; 649 } 650 destroyDeferredSurfaceLocked(); 651 mDestroyPreservedSurfaceUponRedraw = false; 652 } 653 654 WindowSurfaceController createSurfaceLocked() { 655 final WindowState w = mWin; 656 if (w.hasSavedSurface()) { 657 if (DEBUG_ANIM) Slog.i(TAG, 658 "createSurface: " + this + ": called when we had a saved surface"); 659 w.restoreSavedSurface(); 660 return mSurfaceController; 661 } 662 663 if (mSurfaceController != null) { 664 return mSurfaceController; 665 } 666 667 w.setHasSurface(false); 668 669 if (DEBUG_ANIM || DEBUG_ORIENTATION) Slog.i(TAG, 670 "createSurface " + this + ": mDrawState=DRAW_PENDING"); 671 672 mDrawState = DRAW_PENDING; 673 if (w.mAppToken != null) { 674 if (w.mAppToken.mAppAnimator.animation == null) { 675 w.mAppToken.allDrawn = false; 676 w.mAppToken.deferClearAllDrawn = false; 677 } else { 678 // Currently animating, persist current state of allDrawn until animation 679 // is complete. 680 w.mAppToken.deferClearAllDrawn = true; 681 } 682 } 683 684 mService.makeWindowFreezingScreenIfNeededLocked(w); 685 686 int flags = SurfaceControl.HIDDEN; 687 final WindowManager.LayoutParams attrs = w.mAttrs; 688 689 if (mService.isSecureLocked(w)) { 690 flags |= SurfaceControl.SECURE; 691 } 692 693 mTmpSize.set(w.mFrame.left + w.mXOffset, w.mFrame.top + w.mYOffset, 0, 0); 694 calculateSurfaceBounds(w, attrs); 695 final int width = mTmpSize.width(); 696 final int height = mTmpSize.height(); 697 698 if (DEBUG_VISIBILITY) { 699 Slog.v(TAG, "Creating surface in session " 700 + mSession.mSurfaceSession + " window " + this 701 + " w=" + width + " h=" + height 702 + " x=" + mTmpSize.left + " y=" + mTmpSize.top 703 + " format=" + attrs.format + " flags=" + flags); 704 } 705 706 // We may abort, so initialize to defaults. 707 mLastSystemDecorRect.set(0, 0, 0, 0); 708 mHasClipRect = false; 709 mClipRect.set(0, 0, 0, 0); 710 mLastClipRect.set(0, 0, 0, 0); 711 712 // Set up surface control with initial size. 713 try { 714 715 final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0; 716 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format; 717 if (!PixelFormat.formatHasAlpha(attrs.format) 718 // Don't make surface with surfaceInsets opaque as they display a 719 // translucent shadow. 720 && attrs.surfaceInsets.left == 0 721 && attrs.surfaceInsets.top == 0 722 && attrs.surfaceInsets.right == 0 723 && attrs.surfaceInsets.bottom == 0 724 // Don't make surface opaque when resizing to reduce the amount of 725 // artifacts shown in areas the app isn't drawing content to. 726 && !w.isDragResizing()) { 727 flags |= SurfaceControl.OPAQUE; 728 } 729 730 mSurfaceController = new WindowSurfaceController(mSession.mSurfaceSession, 731 attrs.getTitle().toString(), 732 width, height, format, flags, this); 733 734 w.setHasSurface(true); 735 736 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 737 Slog.i(TAG, " CREATE SURFACE " 738 + mSurfaceController + " IN SESSION " 739 + mSession.mSurfaceSession 740 + ": pid=" + mSession.mPid + " format=" 741 + attrs.format + " flags=0x" 742 + Integer.toHexString(flags) 743 + " / " + this); 744 } 745 } catch (OutOfResourcesException e) { 746 Slog.w(TAG, "OutOfResourcesException creating surface"); 747 mService.reclaimSomeSurfaceMemoryLocked(this, "create", true); 748 mDrawState = NO_SURFACE; 749 return null; 750 } catch (Exception e) { 751 Slog.e(TAG, "Exception creating surface", e); 752 mDrawState = NO_SURFACE; 753 return null; 754 } 755 756 if (WindowManagerService.localLOGV) Slog.v(TAG, "Got surface: " + mSurfaceController 757 + ", set left=" + w.mFrame.left + " top=" + w.mFrame.top 758 + ", animLayer=" + mAnimLayer); 759 760 if (SHOW_LIGHT_TRANSACTIONS) { 761 Slog.i(TAG, ">>> OPEN TRANSACTION createSurfaceLocked"); 762 WindowManagerService.logSurface(w, "CREATE pos=(" 763 + w.mFrame.left + "," + w.mFrame.top + ") (" 764 + width + "x" + height + "), layer=" + mAnimLayer + " HIDE", false); 765 } 766 767 // Start a new transaction and apply position & offset. 768 final int layerStack = w.getDisplayContent().getDisplay().getLayerStack(); 769 mSurfaceController.setPositionAndLayer(mTmpSize.left, mTmpSize.top, layerStack, mAnimLayer); 770 mLastHidden = true; 771 772 if (WindowManagerService.localLOGV) Slog.v(TAG, "Created surface " + this); 773 return mSurfaceController; 774 } 775 776 private void calculateSurfaceBounds(WindowState w, LayoutParams attrs) { 777 if ((attrs.flags & FLAG_SCALED) != 0) { 778 // For a scaled surface, we always want the requested size. 779 mTmpSize.right = mTmpSize.left + w.mRequestedWidth; 780 mTmpSize.bottom = mTmpSize.top + w.mRequestedHeight; 781 } else { 782 // When we're doing a drag-resizing, request a surface that's fullscreen size, 783 // so that we don't need to reallocate during the process. This also prevents 784 // buffer drops due to size mismatch. 785 if (w.isDragResizing()) { 786 if (w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM) { 787 mTmpSize.left = 0; 788 mTmpSize.top = 0; 789 } 790 final DisplayInfo displayInfo = w.getDisplayInfo(); 791 mTmpSize.right = mTmpSize.left + displayInfo.logicalWidth; 792 mTmpSize.bottom = mTmpSize.top + displayInfo.logicalHeight; 793 } else { 794 mTmpSize.right = mTmpSize.left + w.mCompatFrame.width(); 795 mTmpSize.bottom = mTmpSize.top + w.mCompatFrame.height(); 796 } 797 } 798 799 // Something is wrong and SurfaceFlinger will not like this, try to revert to sane values. 800 // This doesn't necessarily mean that there is an error in the system. The sizes might be 801 // incorrect, because it is before the first layout or draw. 802 if (mTmpSize.width() < 1) { 803 mTmpSize.right = mTmpSize.left + 1; 804 } 805 if (mTmpSize.height() < 1) { 806 mTmpSize.bottom = mTmpSize.top + 1; 807 } 808 809 final int displayId = w.getDisplayId(); 810 float scale = 1.0f; 811 // Magnification is supported only for the default display. 812 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 813 final MagnificationSpec spec = 814 mService.mAccessibilityController.getMagnificationSpecForWindowLocked(w); 815 if (spec != null && !spec.isNop()) { 816 scale = spec.scale; 817 } 818 } 819 820 // Adjust for surface insets. 821 mTmpSize.left -= scale * attrs.surfaceInsets.left; 822 mTmpSize.top -= scale * attrs.surfaceInsets.top; 823 mTmpSize.right += scale * attrs.surfaceInsets.right; 824 mTmpSize.bottom += scale * attrs.surfaceInsets.bottom; 825 } 826 827 boolean hasSurface() { 828 return !mWin.mSurfaceSaved 829 && mSurfaceController != null && mSurfaceController.hasSurface(); 830 } 831 832 void destroySurfaceLocked() { 833 final AppWindowToken wtoken = mWin.mAppToken; 834 if (wtoken != null) { 835 wtoken.mAnimatingWithSavedSurface = false; 836 if (mWin == wtoken.startingWindow) { 837 wtoken.startingDisplayed = false; 838 } 839 } 840 841 mWin.mSurfaceSaved = false; 842 843 if (mSurfaceController == null) { 844 return; 845 } 846 847 int i = mWin.mChildWindows.size(); 848 // When destroying a surface we want to make sure child windows are hidden. If we are 849 // preserving the surface until redraw though we intend to swap it out with another surface 850 // for resizing. In this case the window always remains visible to the user and the child 851 // windows should likewise remain visible. 852 while (!mDestroyPreservedSurfaceUponRedraw && i > 0) { 853 i--; 854 WindowState c = mWin.mChildWindows.get(i); 855 c.mAttachedHidden = true; 856 } 857 858 try { 859 if (DEBUG_VISIBILITY) logWithStack(TAG, "Window " + this + " destroying surface " 860 + mSurfaceController + ", session " + mSession); 861 if (mSurfaceDestroyDeferred) { 862 if (mSurfaceController != null && mPendingDestroySurface != mSurfaceController) { 863 if (mPendingDestroySurface != null) { 864 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 865 WindowManagerService.logSurface(mWin, "DESTROY PENDING", true); 866 } 867 mPendingDestroySurface.destroyInTransaction(); 868 } 869 mPendingDestroySurface = mSurfaceController; 870 } 871 } else { 872 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 873 WindowManagerService.logSurface(mWin, "DESTROY", true); 874 } 875 destroySurface(); 876 } 877 // Don't hide wallpaper if we're deferring the surface destroy 878 // because of a surface change. 879 if (!mDestroyPreservedSurfaceUponRedraw) { 880 mWallpaperControllerLocked.hideWallpapers(mWin); 881 } 882 } catch (RuntimeException e) { 883 Slog.w(TAG, "Exception thrown when destroying Window " + this 884 + " surface " + mSurfaceController + " session " + mSession + ": " + e.toString()); 885 } 886 887 // Whether the surface was preserved (and copied to mPendingDestroySurface) or not, it 888 // needs to be cleared to match the WindowState.mHasSurface state. It is also necessary 889 // so it can be recreated successfully in mPendingDestroySurface case. 890 mWin.setHasSurface(false); 891 if (mSurfaceController != null) { 892 mSurfaceController.setShown(false); 893 } 894 mSurfaceController = null; 895 mDrawState = NO_SURFACE; 896 } 897 898 void destroyDeferredSurfaceLocked() { 899 try { 900 if (mPendingDestroySurface != null) { 901 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 902 WindowManagerService.logSurface(mWin, "DESTROY PENDING", true); 903 } 904 mPendingDestroySurface.destroyInTransaction(); 905 // Don't hide wallpaper if we're destroying a deferred surface 906 // after a surface mode change. 907 if (!mDestroyPreservedSurfaceUponRedraw) { 908 mWallpaperControllerLocked.hideWallpapers(mWin); 909 } 910 } 911 } catch (RuntimeException e) { 912 Slog.w(TAG, "Exception thrown when destroying Window " 913 + this + " surface " + mPendingDestroySurface 914 + " session " + mSession + ": " + e.toString()); 915 } 916 mSurfaceDestroyDeferred = false; 917 mPendingDestroySurface = null; 918 } 919 920 void computeShownFrameLocked() { 921 final boolean selfTransformation = mHasLocalTransformation; 922 Transformation attachedTransformation = 923 (mAttachedWinAnimator != null && mAttachedWinAnimator.mHasLocalTransformation) 924 ? mAttachedWinAnimator.mTransformation : null; 925 Transformation appTransformation = (mAppAnimator != null && mAppAnimator.hasTransformation) 926 ? mAppAnimator.transformation : null; 927 928 // Wallpapers are animated based on the "real" window they 929 // are currently targeting. 930 final WindowState wallpaperTarget = mWallpaperControllerLocked.getWallpaperTarget(); 931 if (mIsWallpaper && wallpaperTarget != null && mService.mAnimateWallpaperWithTarget) { 932 final WindowStateAnimator wallpaperAnimator = wallpaperTarget.mWinAnimator; 933 if (wallpaperAnimator.mHasLocalTransformation && 934 wallpaperAnimator.mAnimation != null && 935 !wallpaperAnimator.mAnimation.getDetachWallpaper()) { 936 attachedTransformation = wallpaperAnimator.mTransformation; 937 if (DEBUG_WALLPAPER && attachedTransformation != null) { 938 Slog.v(TAG, "WP target attached xform: " + attachedTransformation); 939 } 940 } 941 final AppWindowAnimator wpAppAnimator = wallpaperTarget.mAppToken == null ? 942 null : wallpaperTarget.mAppToken.mAppAnimator; 943 if (wpAppAnimator != null && wpAppAnimator.hasTransformation 944 && wpAppAnimator.animation != null 945 && !wpAppAnimator.animation.getDetachWallpaper()) { 946 appTransformation = wpAppAnimator.transformation; 947 if (DEBUG_WALLPAPER && appTransformation != null) { 948 Slog.v(TAG, "WP target app xform: " + appTransformation); 949 } 950 } 951 } 952 953 final int displayId = mWin.getDisplayId(); 954 final ScreenRotationAnimation screenRotationAnimation = 955 mAnimator.getScreenRotationAnimationLocked(displayId); 956 final boolean screenAnimation = 957 screenRotationAnimation != null && screenRotationAnimation.isAnimating(); 958 959 mHasClipRect = false; 960 if (selfTransformation || attachedTransformation != null 961 || appTransformation != null || screenAnimation) { 962 // cache often used attributes locally 963 final Rect frame = mWin.mFrame; 964 final float tmpFloats[] = mService.mTmpFloats; 965 final Matrix tmpMatrix = mWin.mTmpMatrix; 966 967 // Compute the desired transformation. 968 if (screenAnimation && screenRotationAnimation.isRotating()) { 969 // If we are doing a screen animation, the global rotation 970 // applied to windows can result in windows that are carefully 971 // aligned with each other to slightly separate, allowing you 972 // to see what is behind them. An unsightly mess. This... 973 // thing... magically makes it call good: scale each window 974 // slightly (two pixels larger in each dimension, from the 975 // window's center). 976 final float w = frame.width(); 977 final float h = frame.height(); 978 if (w>=1 && h>=1) { 979 tmpMatrix.setScale(1 + 2/w, 1 + 2/h, w/2, h/2); 980 } else { 981 tmpMatrix.reset(); 982 } 983 } else { 984 tmpMatrix.reset(); 985 } 986 tmpMatrix.postScale(mWin.mGlobalScale, mWin.mGlobalScale); 987 if (selfTransformation) { 988 tmpMatrix.postConcat(mTransformation.getMatrix()); 989 } 990 if (attachedTransformation != null) { 991 tmpMatrix.postConcat(attachedTransformation.getMatrix()); 992 } 993 if (appTransformation != null) { 994 tmpMatrix.postConcat(appTransformation.getMatrix()); 995 } 996 997 // The translation that applies the position of the window needs to be applied at the 998 // end in case that other translations include scaling. Otherwise the scaling will 999 // affect this translation. But it needs to be set before the screen rotation animation 1000 // so the pivot point is at the center of the screen for all windows. 1001 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 1002 if (screenAnimation) { 1003 tmpMatrix.postConcat(screenRotationAnimation.getEnterTransformation().getMatrix()); 1004 } 1005 1006 //TODO (multidisplay): Magnification is supported only for the default display. 1007 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 1008 MagnificationSpec spec = mService.mAccessibilityController 1009 .getMagnificationSpecForWindowLocked(mWin); 1010 if (spec != null && !spec.isNop()) { 1011 tmpMatrix.postScale(spec.scale, spec.scale); 1012 tmpMatrix.postTranslate(spec.offsetX, spec.offsetY); 1013 } 1014 } 1015 1016 // "convert" it into SurfaceFlinger's format 1017 // (a 2x2 matrix + an offset) 1018 // Here we must not transform the position of the surface 1019 // since it is already included in the transformation. 1020 //Slog.i(TAG_WM, "Transform: " + matrix); 1021 1022 mHaveMatrix = true; 1023 tmpMatrix.getValues(tmpFloats); 1024 mDsDx = tmpFloats[Matrix.MSCALE_X]; 1025 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 1026 mDsDy = tmpFloats[Matrix.MSKEW_X]; 1027 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 1028 float x = tmpFloats[Matrix.MTRANS_X]; 1029 float y = tmpFloats[Matrix.MTRANS_Y]; 1030 mWin.mShownPosition.set((int) x, (int) y); 1031 1032 // Now set the alpha... but because our current hardware 1033 // can't do alpha transformation on a non-opaque surface, 1034 // turn it off if we are running an animation that is also 1035 // transforming since it is more important to have that 1036 // animation be smooth. 1037 mShownAlpha = mAlpha; 1038 if (!mService.mLimitedAlphaCompositing 1039 || (!PixelFormat.formatHasAlpha(mWin.mAttrs.format) 1040 || (mWin.isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy) 1041 && x == frame.left && y == frame.top))) { 1042 //Slog.i(TAG_WM, "Applying alpha transform"); 1043 if (selfTransformation) { 1044 mShownAlpha *= mTransformation.getAlpha(); 1045 } 1046 if (attachedTransformation != null) { 1047 mShownAlpha *= attachedTransformation.getAlpha(); 1048 } 1049 if (appTransformation != null) { 1050 mShownAlpha *= appTransformation.getAlpha(); 1051 if (appTransformation.hasClipRect()) { 1052 mClipRect.set(appTransformation.getClipRect()); 1053 mHasClipRect = true; 1054 // The app transformation clip will be in the coordinate space of the main 1055 // activity window, which the animation correctly assumes will be placed at 1056 // (0,0)+(insets) relative to the containing frame. This isn't necessarily 1057 // true for child windows though which can have an arbitrary frame position 1058 // relative to their containing frame. We need to offset the difference 1059 // between the containing frame as used to calculate the crop and our 1060 // bounds to compensate for this. 1061 if (mWin.layoutInParentFrame()) { 1062 mClipRect.offset( (mWin.mContainingFrame.left - mWin.mFrame.left), 1063 mWin.mContainingFrame.top - mWin.mFrame.top ); 1064 } 1065 } 1066 } 1067 if (screenAnimation) { 1068 mShownAlpha *= screenRotationAnimation.getEnterTransformation().getAlpha(); 1069 } 1070 } else { 1071 //Slog.i(TAG_WM, "Not applying alpha transform"); 1072 } 1073 1074 if ((DEBUG_SURFACE_TRACE || WindowManagerService.localLOGV) 1075 && (mShownAlpha == 1.0 || mShownAlpha == 0.0)) Slog.v( 1076 TAG, "computeShownFrameLocked: Animating " + this + " mAlpha=" + mAlpha 1077 + " self=" + (selfTransformation ? mTransformation.getAlpha() : "null") 1078 + " attached=" + (attachedTransformation == null ? 1079 "null" : attachedTransformation.getAlpha()) 1080 + " app=" + (appTransformation == null ? "null" : appTransformation.getAlpha()) 1081 + " screen=" + (screenAnimation ? 1082 screenRotationAnimation.getEnterTransformation().getAlpha() : "null")); 1083 return; 1084 } else if (mIsWallpaper && mService.mWindowPlacerLocked.mWallpaperActionPending) { 1085 return; 1086 } else if (mWin.isDragResizeChanged()) { 1087 // This window is awaiting a relayout because user just started (or ended) 1088 // drag-resizing. The shown frame (which affects surface size and pos) 1089 // should not be updated until we get next finished draw with the new surface. 1090 // Otherwise one or two frames rendered with old settings would be displayed 1091 // with new geometry. 1092 return; 1093 } 1094 1095 if (WindowManagerService.localLOGV) Slog.v( 1096 TAG, "computeShownFrameLocked: " + this + 1097 " not attached, mAlpha=" + mAlpha); 1098 1099 MagnificationSpec spec = null; 1100 //TODO (multidisplay): Magnification is supported only for the default display. 1101 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 1102 spec = mService.mAccessibilityController.getMagnificationSpecForWindowLocked(mWin); 1103 } 1104 if (spec != null) { 1105 final Rect frame = mWin.mFrame; 1106 final float tmpFloats[] = mService.mTmpFloats; 1107 final Matrix tmpMatrix = mWin.mTmpMatrix; 1108 1109 tmpMatrix.setScale(mWin.mGlobalScale, mWin.mGlobalScale); 1110 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 1111 1112 if (spec != null && !spec.isNop()) { 1113 tmpMatrix.postScale(spec.scale, spec.scale); 1114 tmpMatrix.postTranslate(spec.offsetX, spec.offsetY); 1115 } 1116 1117 tmpMatrix.getValues(tmpFloats); 1118 1119 mHaveMatrix = true; 1120 mDsDx = tmpFloats[Matrix.MSCALE_X]; 1121 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 1122 mDsDy = tmpFloats[Matrix.MSKEW_X]; 1123 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 1124 float x = tmpFloats[Matrix.MTRANS_X]; 1125 float y = tmpFloats[Matrix.MTRANS_Y]; 1126 mWin.mShownPosition.set((int) x, (int) y); 1127 1128 mShownAlpha = mAlpha; 1129 } else { 1130 mWin.mShownPosition.set(mWin.mFrame.left, mWin.mFrame.top); 1131 if (mWin.mXOffset != 0 || mWin.mYOffset != 0) { 1132 mWin.mShownPosition.offset(mWin.mXOffset, mWin.mYOffset); 1133 } 1134 mShownAlpha = mAlpha; 1135 mHaveMatrix = false; 1136 mDsDx = mWin.mGlobalScale; 1137 mDtDx = 0; 1138 mDsDy = 0; 1139 mDtDy = mWin.mGlobalScale; 1140 } 1141 } 1142 1143 private void calculateSystemDecorRect() { 1144 final WindowState w = mWin; 1145 final Rect decorRect = w.mDecorFrame; 1146 final int width = w.mFrame.width(); 1147 final int height = w.mFrame.height(); 1148 1149 // Compute the offset of the window in relation to the decor rect. 1150 final int left = w.mXOffset + w.mFrame.left; 1151 final int top = w.mYOffset + w.mFrame.top; 1152 1153 // Initialize the decor rect to the entire frame. 1154 if (w.isDockedResizing() || 1155 (w.isChildWindow() && w.mAttachedWindow.isDockedResizing())) { 1156 1157 // If we are resizing with the divider, the task bounds might be smaller than the 1158 // stack bounds. The system decor is used to clip to the task bounds, which we don't 1159 // want in this case in order to avoid holes. 1160 // 1161 // We take care to not shrink the width, for surfaces which are larger than 1162 // the display region. Of course this area will not eventually be visible 1163 // but if we truncate the width now, we will calculate incorrectly 1164 // when adjusting to the stack bounds. 1165 final DisplayInfo displayInfo = w.getDisplayContent().getDisplayInfo(); 1166 mSystemDecorRect.set(0, 0, 1167 Math.max(width, displayInfo.logicalWidth), 1168 Math.max(height, displayInfo.logicalHeight)); 1169 } else { 1170 mSystemDecorRect.set(0, 0, width, height); 1171 } 1172 1173 // If a freeform window is animating from a position where it would be cutoff, it would be 1174 // cutoff during the animation. We don't want that, so for the duration of the animation 1175 // we ignore the decor cropping and depend on layering to position windows correctly. 1176 final boolean cropToDecor = !(w.inFreeformWorkspace() && w.isAnimatingLw()); 1177 if (cropToDecor) { 1178 // Intersect with the decor rect, offsetted by window position. 1179 mSystemDecorRect.intersect(decorRect.left - left, decorRect.top - top, 1180 decorRect.right - left, decorRect.bottom - top); 1181 } 1182 1183 // If size compatibility is being applied to the window, the 1184 // surface is scaled relative to the screen. Also apply this 1185 // scaling to the crop rect. We aren't using the standard rect 1186 // scale function because we want to round things to make the crop 1187 // always round to a larger rect to ensure we don't crop too 1188 // much and hide part of the window that should be seen. 1189 if (w.mEnforceSizeCompat && w.mInvGlobalScale != 1.0f) { 1190 final float scale = w.mInvGlobalScale; 1191 mSystemDecorRect.left = (int) (mSystemDecorRect.left * scale - 0.5f); 1192 mSystemDecorRect.top = (int) (mSystemDecorRect.top * scale - 0.5f); 1193 mSystemDecorRect.right = (int) ((mSystemDecorRect.right + 1) * scale - 0.5f); 1194 mSystemDecorRect.bottom = (int) ((mSystemDecorRect.bottom + 1) * scale - 0.5f); 1195 } 1196 } 1197 1198 void calculateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect) { 1199 final WindowState w = mWin; 1200 final DisplayContent displayContent = w.getDisplayContent(); 1201 if (displayContent == null) { 1202 clipRect.setEmpty(); 1203 finalClipRect.setEmpty(); 1204 return; 1205 } 1206 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 1207 if (DEBUG_WINDOW_CROP) Slog.d(TAG, 1208 "Updating crop win=" + w + " mLastCrop=" + mLastClipRect); 1209 1210 // Need to recompute a new system decor rect each time. 1211 if (!w.isDefaultDisplay()) { 1212 // On a different display there is no system decor. Crop the window 1213 // by the screen boundaries. 1214 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1215 mSystemDecorRect.intersect(-w.mCompatFrame.left, -w.mCompatFrame.top, 1216 displayInfo.logicalWidth - w.mCompatFrame.left, 1217 displayInfo.logicalHeight - w.mCompatFrame.top); 1218 } else if (w.mLayer >= mService.mSystemDecorLayer) { 1219 // Above the decor layer is easy, just use the entire window. 1220 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1221 } else if (w.mDecorFrame.isEmpty()) { 1222 // Windows without policy decor aren't cropped. 1223 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1224 } else if (w.mAttrs.type == LayoutParams.TYPE_WALLPAPER && mAnimator.isAnimating()) { 1225 // If we're animating, the wallpaper crop should only be updated at the end of the 1226 // animation. 1227 mTmpClipRect.set(mSystemDecorRect); 1228 calculateSystemDecorRect(); 1229 mSystemDecorRect.union(mTmpClipRect); 1230 } else { 1231 // Crop to the system decor specified by policy. 1232 calculateSystemDecorRect(); 1233 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "Applying decor to crop win=" + w + " mDecorFrame=" 1234 + w.mDecorFrame + " mSystemDecorRect=" + mSystemDecorRect); 1235 } 1236 1237 final boolean fullscreen = w.isFrameFullscreen(displayInfo); 1238 final boolean isFreeformResizing = 1239 w.isDragResizing() && w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM; 1240 1241 // We use the clip rect as provided by the tranformation for non-fullscreen windows to 1242 // avoid premature clipping with the system decor rect. 1243 clipRect.set((mHasClipRect && !fullscreen) ? mClipRect : mSystemDecorRect); 1244 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "win=" + w + " Initial clip rect: " + clipRect 1245 + " mHasClipRect=" + mHasClipRect + " fullscreen=" + fullscreen); 1246 1247 if (isFreeformResizing && !w.isChildWindow()) { 1248 // For freeform resizing non child windows, we are using the big surface positioned 1249 // at 0,0. Thus we must express the crop in that coordinate space. 1250 clipRect.offset(w.mShownPosition.x, w.mShownPosition.y); 1251 } 1252 1253 // Expand the clip rect for surface insets. 1254 final WindowManager.LayoutParams attrs = w.mAttrs; 1255 clipRect.left -= attrs.surfaceInsets.left; 1256 clipRect.top -= attrs.surfaceInsets.top; 1257 clipRect.right += attrs.surfaceInsets.right; 1258 clipRect.bottom += attrs.surfaceInsets.bottom; 1259 1260 if (mHasClipRect && fullscreen) { 1261 // We intersect the clip rect specified by the transformation with the expanded system 1262 // decor rect to prevent artifacts from drawing during animation if the transformation 1263 // clip rect extends outside the system decor rect. 1264 clipRect.intersect(mClipRect); 1265 } 1266 // The clip rect was generated assuming (0,0) as the window origin, 1267 // so we need to translate to match the actual surface coordinates. 1268 clipRect.offset(attrs.surfaceInsets.left, attrs.surfaceInsets.top); 1269 1270 finalClipRect.setEmpty(); 1271 adjustCropToStackBounds(w, clipRect, finalClipRect, isFreeformResizing); 1272 if (DEBUG_WINDOW_CROP) Slog.d(TAG, 1273 "win=" + w + " Clip rect after stack adjustment=" + clipRect); 1274 1275 w.transformFromScreenToSurfaceSpace(clipRect); 1276 1277 // See {@link WindowState#notifyMovedInStack} for why this is necessary. 1278 if (w.hasJustMovedInStack() && mLastClipRect.isEmpty() && !clipRect.isEmpty()) { 1279 clipRect.setEmpty(); 1280 } 1281 } 1282 1283 void updateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect, boolean recoveringMemory) { 1284 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "updateSurfaceWindowCrop: win=" + mWin 1285 + " clipRect=" + clipRect + " finalClipRect=" + finalClipRect); 1286 if (!clipRect.equals(mLastClipRect)) { 1287 mLastClipRect.set(clipRect); 1288 mSurfaceController.setCropInTransaction(clipRect, recoveringMemory); 1289 } 1290 if (!finalClipRect.equals(mLastFinalClipRect)) { 1291 mLastFinalClipRect.set(finalClipRect); 1292 mSurfaceController.setFinalCropInTransaction(finalClipRect); 1293 } 1294 } 1295 1296 private int resolveStackClip() { 1297 1298 // App animation overrides window animation stack clip mode. 1299 if (mAppAnimator != null && mAppAnimator.animation != null) { 1300 return mAppAnimator.getStackClip(); 1301 } else { 1302 return mStackClip; 1303 } 1304 } 1305 private void adjustCropToStackBounds(WindowState w, Rect clipRect, Rect finalClipRect, 1306 boolean isFreeformResizing) { 1307 1308 final DisplayContent displayContent = w.getDisplayContent(); 1309 if (displayContent != null && !displayContent.isDefaultDisplay) { 1310 // There are some windows that live on other displays while their app and main window 1311 // live on the default display (e.g. casting...). We don't want to crop this windows 1312 // to the stack bounds which is only currently supported on the default display. 1313 // TODO(multi-display): Need to support cropping to stack bounds on other displays 1314 // when we have stacks on other displays. 1315 return; 1316 } 1317 1318 final Task task = w.getTask(); 1319 if (task == null || !task.cropWindowsToStackBounds()) { 1320 return; 1321 } 1322 1323 final int stackClip = resolveStackClip(); 1324 1325 // It's animating and we don't want to clip it to stack bounds during animation - abort. 1326 if (isAnimationSet() && stackClip == STACK_CLIP_NONE) { 1327 return; 1328 } 1329 1330 final WindowState winShowWhenLocked = (WindowState) mPolicy.getWinShowWhenLockedLw(); 1331 if (w == winShowWhenLocked && mPolicy.isKeyguardShowingOrOccluded()) { 1332 return; 1333 } 1334 1335 final TaskStack stack = task.mStack; 1336 stack.getDimBounds(mTmpStackBounds); 1337 final Rect surfaceInsets = w.getAttrs().surfaceInsets; 1338 // When we resize we use the big surface approach, which means we can't trust the 1339 // window frame bounds anymore. Instead, the window will be placed at 0, 0, but to avoid 1340 // hardcoding it, we use surface coordinates. 1341 final int frameX = isFreeformResizing ? (int) mSurfaceController.getX() : 1342 w.mFrame.left + mWin.mXOffset - surfaceInsets.left; 1343 final int frameY = isFreeformResizing ? (int) mSurfaceController.getY() : 1344 w.mFrame.top + mWin.mYOffset - surfaceInsets.top; 1345 1346 // If we are animating, we either apply the clip before applying all the animation 1347 // transformation or after all the transformation. 1348 final boolean useFinalClipRect = isAnimationSet() && stackClip == STACK_CLIP_AFTER_ANIM; 1349 1350 // We need to do some acrobatics with surface position, because their clip region is 1351 // relative to the inside of the surface, but the stack bounds aren't. 1352 if (useFinalClipRect) { 1353 finalClipRect.set(mTmpStackBounds); 1354 } else { 1355 if (StackId.hasWindowShadow(stack.mStackId) 1356 && !StackId.isTaskResizeAllowed(stack.mStackId)) { 1357 // The windows in this stack display drop shadows and the fill the entire stack 1358 // area. Adjust the stack bounds we will use to cropping take into account the 1359 // offsets we use to display the drop shadow so it doesn't get cropped. 1360 mTmpStackBounds.inset(-surfaceInsets.left, -surfaceInsets.top, 1361 -surfaceInsets.right, -surfaceInsets.bottom); 1362 } 1363 1364 clipRect.left = Math.max(0, 1365 Math.max(mTmpStackBounds.left, frameX + clipRect.left) - frameX); 1366 clipRect.top = Math.max(0, 1367 Math.max(mTmpStackBounds.top, frameY + clipRect.top) - frameY); 1368 clipRect.right = Math.max(0, 1369 Math.min(mTmpStackBounds.right, frameX + clipRect.right) - frameX); 1370 clipRect.bottom = Math.max(0, 1371 Math.min(mTmpStackBounds.bottom, frameY + clipRect.bottom) - frameY); 1372 } 1373 } 1374 1375 void setSurfaceBoundariesLocked(final boolean recoveringMemory) { 1376 final WindowState w = mWin; 1377 final Task task = w.getTask(); 1378 1379 // We got resized, so block all updates until we got the new surface. 1380 if (w.mResizedWhileNotDragResizing && !w.isGoneForLayoutLw()) { 1381 return; 1382 } 1383 1384 mTmpSize.set(w.mShownPosition.x, w.mShownPosition.y, 0, 0); 1385 calculateSurfaceBounds(w, w.getAttrs()); 1386 1387 float extraHScale = (float) 1.0; 1388 float extraVScale = (float) 1.0; 1389 1390 calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect); 1391 if (task != null && task.mStack.getForceScaleToCrop()) { 1392 extraHScale = mTmpClipRect.width() / (float)mTmpSize.width(); 1393 extraVScale = mTmpClipRect.height() / (float)mTmpSize.height(); 1394 1395 // In the case of ForceScaleToCrop we scale entire tasks together, 1396 // and so we need to scale our offsets relative to the task bounds 1397 // or parent and child windows would fall out of alignment. 1398 int posX = (int) (mTmpSize.left - w.mAttrs.x * (1 - extraHScale)); 1399 int posY = (int) (mTmpSize.top - w.mAttrs.y * (1 - extraVScale)); 1400 posX += w.getAttrs().surfaceInsets.left * (1 - extraHScale); 1401 posY += w.getAttrs().surfaceInsets.top * (1 - extraVScale); 1402 mSurfaceController.setPositionInTransaction(posX, posY, recoveringMemory); 1403 1404 // Since we are scaled to fit in our previously desired crop, we can now 1405 // expose the whole window in buffer space, and not risk extending 1406 // past where the system would have cropped us 1407 mTmpClipRect.set(0, 0, mTmpSize.width(), mTmpSize.height()); 1408 mTmpFinalClipRect.setEmpty(); 1409 } else { 1410 mSurfaceController.setPositionInTransaction(mTmpSize.left, mTmpSize.top, 1411 recoveringMemory); 1412 } 1413 1414 updateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect, recoveringMemory); 1415 1416 mSurfaceController.setMatrixInTransaction(mDsDx * w.mHScale * extraHScale, 1417 mDtDx * w.mVScale * extraVScale, 1418 mDsDy * w.mHScale * extraHScale, 1419 mDtDy * w.mVScale * extraVScale, recoveringMemory); 1420 mSurfaceResized = mSurfaceController.setSizeInTransaction( 1421 mTmpSize.width(), mTmpSize.height(), recoveringMemory); 1422 1423 if (mSurfaceResized) { 1424 mReportSurfaceResized = true; 1425 mAnimator.setPendingLayoutChanges(w.getDisplayId(), 1426 WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER); 1427 w.applyDimLayerIfNeeded(); 1428 } 1429 1430 } 1431 1432 void prepareSurfaceLocked(final boolean recoveringMemory) { 1433 final WindowState w = mWin; 1434 if (!hasSurface()) { 1435 if (w.mOrientationChanging) { 1436 if (DEBUG_ORIENTATION) { 1437 Slog.v(TAG, "Orientation change skips hidden " + w); 1438 } 1439 w.mOrientationChanging = false; 1440 } 1441 return; 1442 } 1443 1444 boolean displayed = false; 1445 1446 computeShownFrameLocked(); 1447 1448 setSurfaceBoundariesLocked(recoveringMemory); 1449 1450 if (mIsWallpaper && !mWin.mWallpaperVisible) { 1451 // Wallpaper is no longer visible and there is no wp target => hide it. 1452 hide("prepareSurfaceLocked"); 1453 } else if (w.mAttachedHidden || !w.isOnScreen()) { 1454 hide("prepareSurfaceLocked"); 1455 mWallpaperControllerLocked.hideWallpapers(w); 1456 1457 // If we are waiting for this window to handle an 1458 // orientation change, well, it is hidden, so 1459 // doesn't really matter. Note that this does 1460 // introduce a potential glitch if the window 1461 // becomes unhidden before it has drawn for the 1462 // new orientation. 1463 if (w.mOrientationChanging) { 1464 w.mOrientationChanging = false; 1465 if (DEBUG_ORIENTATION) Slog.v(TAG, 1466 "Orientation change skips hidden " + w); 1467 } 1468 } else if (mLastLayer != mAnimLayer 1469 || mLastAlpha != mShownAlpha 1470 || mLastDsDx != mDsDx 1471 || mLastDtDx != mDtDx 1472 || mLastDsDy != mDsDy 1473 || mLastDtDy != mDtDy 1474 || w.mLastHScale != w.mHScale 1475 || w.mLastVScale != w.mVScale 1476 || mLastHidden) { 1477 displayed = true; 1478 mLastAlpha = mShownAlpha; 1479 mLastLayer = mAnimLayer; 1480 mLastDsDx = mDsDx; 1481 mLastDtDx = mDtDx; 1482 mLastDsDy = mDsDy; 1483 mLastDtDy = mDtDy; 1484 w.mLastHScale = w.mHScale; 1485 w.mLastVScale = w.mVScale; 1486 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(w, 1487 "controller=" + mSurfaceController + 1488 "alpha=" + mShownAlpha + " layer=" + mAnimLayer 1489 + " matrix=[" + mDsDx + "*" + w.mHScale 1490 + "," + mDtDx + "*" + w.mVScale 1491 + "][" + mDsDy + "*" + w.mHScale 1492 + "," + mDtDy + "*" + w.mVScale + "]", false); 1493 1494 boolean prepared = 1495 mSurfaceController.prepareToShowInTransaction(mShownAlpha, mAnimLayer, 1496 mDsDx * w.mHScale, mDtDx * w.mVScale, 1497 mDsDy * w.mHScale, mDtDy * w.mVScale, 1498 recoveringMemory); 1499 1500 if (prepared && mLastHidden && mDrawState == HAS_DRAWN) { 1501 if (showSurfaceRobustlyLocked()) { 1502 if (mDestroyPreservedSurfaceUponRedraw) { 1503 mService.mDestroyPreservedSurface.add(mWin); 1504 } 1505 mAnimator.requestRemovalOfReplacedWindows(w); 1506 mLastHidden = false; 1507 if (mIsWallpaper) { 1508 mWallpaperControllerLocked.dispatchWallpaperVisibility(w, true); 1509 } 1510 // This draw means the difference between unique content and mirroring. 1511 // Run another pass through performLayout to set mHasContent in the 1512 // LogicalDisplay. 1513 mAnimator.setPendingLayoutChanges(w.getDisplayId(), 1514 WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 1515 } else { 1516 w.mOrientationChanging = false; 1517 } 1518 } 1519 if (hasSurface()) { 1520 w.mToken.hasVisible = true; 1521 } 1522 } else { 1523 if (DEBUG_ANIM && isAnimationSet()) { 1524 Slog.v(TAG, "prepareSurface: No changes in animation for " + this); 1525 } 1526 displayed = true; 1527 } 1528 1529 if (displayed) { 1530 if (w.mOrientationChanging) { 1531 if (!w.isDrawnLw()) { 1532 mAnimator.mBulkUpdateParams &= ~SET_ORIENTATION_CHANGE_COMPLETE; 1533 mAnimator.mLastWindowFreezeSource = w; 1534 if (DEBUG_ORIENTATION) Slog.v(TAG, 1535 "Orientation continue waiting for draw in " + w); 1536 } else { 1537 w.mOrientationChanging = false; 1538 if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change complete in " + w); 1539 } 1540 } 1541 w.mToken.hasVisible = true; 1542 } 1543 } 1544 1545 void setTransparentRegionHintLocked(final Region region) { 1546 if (mSurfaceController == null) { 1547 Slog.w(TAG, "setTransparentRegionHint: null mSurface after mHasSurface true"); 1548 return; 1549 } 1550 mSurfaceController.setTransparentRegionHint(region); 1551 } 1552 1553 void setWallpaperOffset(Point shownPosition) { 1554 final LayoutParams attrs = mWin.getAttrs(); 1555 final int left = shownPosition.x - attrs.surfaceInsets.left; 1556 final int top = shownPosition.y - attrs.surfaceInsets.top; 1557 1558 try { 1559 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION setWallpaperOffset"); 1560 SurfaceControl.openTransaction(); 1561 mSurfaceController.setPositionInTransaction(mWin.mFrame.left + left, 1562 mWin.mFrame.top + top, false); 1563 calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect); 1564 updateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect, false); 1565 } catch (RuntimeException e) { 1566 Slog.w(TAG, "Error positioning surface of " + mWin 1567 + " pos=(" + left + "," + top + ")", e); 1568 } finally { 1569 SurfaceControl.closeTransaction(); 1570 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, 1571 "<<< CLOSE TRANSACTION setWallpaperOffset"); 1572 } 1573 } 1574 1575 /** 1576 * Try to change the pixel format without recreating the surface. This 1577 * will be common in the case of changing from PixelFormat.OPAQUE to 1578 * PixelFormat.TRANSLUCENT in the hardware-accelerated case as both 1579 * requested formats resolve to the same underlying SurfaceControl format 1580 * @return True if format was succesfully changed, false otherwise 1581 */ 1582 boolean tryChangeFormatInPlaceLocked() { 1583 if (mSurfaceController == null) { 1584 return false; 1585 } 1586 final LayoutParams attrs = mWin.getAttrs(); 1587 final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0; 1588 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format; 1589 if (format == mSurfaceFormat) { 1590 setOpaqueLocked(!PixelFormat.formatHasAlpha(attrs.format)); 1591 return true; 1592 } 1593 return false; 1594 } 1595 1596 void setOpaqueLocked(boolean isOpaque) { 1597 if (mSurfaceController == null) { 1598 return; 1599 } 1600 mSurfaceController.setOpaque(isOpaque); 1601 } 1602 1603 void setSecureLocked(boolean isSecure) { 1604 if (mSurfaceController == null) { 1605 return; 1606 } 1607 mSurfaceController.setSecure(isSecure); 1608 } 1609 1610 // This must be called while inside a transaction. 1611 boolean performShowLocked() { 1612 if (mWin.isHiddenFromUserLocked()) { 1613 if (DEBUG_VISIBILITY) Slog.w(TAG, "hiding " + mWin + ", belonging to " + mWin.mOwnerUid); 1614 mWin.hideLw(false); 1615 return false; 1616 } 1617 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1618 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1619 Slog.v(TAG, "performShow on " + this 1620 + ": mDrawState=" + drawStateToString() + " readyForDisplay=" 1621 + mWin.isReadyForDisplayIgnoringKeyguard() 1622 + " starting=" + (mWin.mAttrs.type == TYPE_APPLICATION_STARTING) 1623 + " during animation: policyVis=" + mWin.mPolicyVisibility 1624 + " attHidden=" + mWin.mAttachedHidden 1625 + " tok.hiddenRequested=" 1626 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1627 + " tok.hidden=" 1628 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1629 + " animating=" + mAnimating 1630 + " tok animating=" 1631 + (mAppAnimator != null ? mAppAnimator.animating : false) + " Callers=" 1632 + Debug.getCallers(3)); 1633 } 1634 if (mDrawState == READY_TO_SHOW && mWin.isReadyForDisplayIgnoringKeyguard()) { 1635 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1636 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1637 Slog.v(TAG, "Showing " + this 1638 + " during animation: policyVis=" + mWin.mPolicyVisibility 1639 + " attHidden=" + mWin.mAttachedHidden 1640 + " tok.hiddenRequested=" 1641 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1642 + " tok.hidden=" 1643 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1644 + " animating=" + mAnimating 1645 + " tok animating=" 1646 + (mAppAnimator != null ? mAppAnimator.animating : false)); 1647 } 1648 1649 mService.enableScreenIfNeededLocked(); 1650 1651 applyEnterAnimationLocked(); 1652 1653 // Force the show in the next prepareSurfaceLocked() call. 1654 mLastAlpha = -1; 1655 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) 1656 Slog.v(TAG, "performShowLocked: mDrawState=HAS_DRAWN in " + mWin); 1657 mDrawState = HAS_DRAWN; 1658 mService.scheduleAnimationLocked(); 1659 1660 int i = mWin.mChildWindows.size(); 1661 while (i > 0) { 1662 i--; 1663 WindowState c = mWin.mChildWindows.get(i); 1664 if (c.mAttachedHidden) { 1665 c.mAttachedHidden = false; 1666 if (c.mWinAnimator.mSurfaceController != null) { 1667 c.mWinAnimator.performShowLocked(); 1668 // It hadn't been shown, which means layout not 1669 // performed on it, so now we want to make sure to 1670 // do a layout. If called from within the transaction 1671 // loop, this will cause it to restart with a new 1672 // layout. 1673 final DisplayContent displayContent = c.getDisplayContent(); 1674 if (displayContent != null) { 1675 displayContent.layoutNeeded = true; 1676 } 1677 } 1678 } 1679 } 1680 1681 if (mWin.mAttrs.type != TYPE_APPLICATION_STARTING && mWin.mAppToken != null) { 1682 mWin.mAppToken.onFirstWindowDrawn(mWin, this); 1683 } 1684 1685 return true; 1686 } 1687 return false; 1688 } 1689 1690 /** 1691 * Have the surface flinger show a surface, robustly dealing with 1692 * error conditions. In particular, if there is not enough memory 1693 * to show the surface, then we will try to get rid of other surfaces 1694 * in order to succeed. 1695 * 1696 * @return Returns true if the surface was successfully shown. 1697 */ 1698 private boolean showSurfaceRobustlyLocked() { 1699 final Task task = mWin.getTask(); 1700 if (task != null && StackId.windowsAreScaleable(task.mStack.mStackId)) { 1701 mSurfaceController.forceScaleableInTransaction(true); 1702 } 1703 1704 boolean shown = mSurfaceController.showRobustlyInTransaction(); 1705 if (!shown) 1706 return false; 1707 1708 if (mWin.mTurnOnScreen) { 1709 if (DEBUG_VISIBILITY) Slog.v(TAG, "Show surface turning screen on: " + mWin); 1710 mWin.mTurnOnScreen = false; 1711 mAnimator.mBulkUpdateParams |= SET_TURN_ON_SCREEN; 1712 } 1713 return true; 1714 } 1715 1716 void applyEnterAnimationLocked() { 1717 // If we are the new part of a window replacement transition and we have requested 1718 // not to animate, we instead want to make it seamless, so we don't want to apply 1719 // an enter transition. 1720 if (mWin.mSkipEnterAnimationForSeamlessReplacement) { 1721 return; 1722 } 1723 final int transit; 1724 if (mEnterAnimationPending) { 1725 mEnterAnimationPending = false; 1726 transit = WindowManagerPolicy.TRANSIT_ENTER; 1727 } else { 1728 transit = WindowManagerPolicy.TRANSIT_SHOW; 1729 } 1730 applyAnimationLocked(transit, true); 1731 //TODO (multidisplay): Magnification is supported only for the default display. 1732 if (mService.mAccessibilityController != null 1733 && mWin.getDisplayId() == DEFAULT_DISPLAY) { 1734 mService.mAccessibilityController.onWindowTransitionLocked(mWin, transit); 1735 } 1736 } 1737 1738 /** 1739 * Choose the correct animation and set it to the passed WindowState. 1740 * @param transit If AppTransition.TRANSIT_PREVIEW_DONE and the app window has been drawn 1741 * then the animation will be app_starting_exit. Any other value loads the animation from 1742 * the switch statement below. 1743 * @param isEntrance The animation type the last time this was called. Used to keep from 1744 * loading the same animation twice. 1745 * @return true if an animation has been loaded. 1746 */ 1747 boolean applyAnimationLocked(int transit, boolean isEntrance) { 1748 if ((mLocalAnimating && mAnimationIsEntrance == isEntrance) 1749 || mKeyguardGoingAwayAnimation) { 1750 // If we are trying to apply an animation, but already running 1751 // an animation of the same type, then just leave that one alone. 1752 1753 // If we are in a keyguard exit animation, and the window should animate away, modify 1754 // keyguard exit animation such that it also fades out. 1755 if (mAnimation != null && mKeyguardGoingAwayAnimation 1756 && transit == WindowManagerPolicy.TRANSIT_PREVIEW_DONE) { 1757 applyFadeoutDuringKeyguardExitAnimation(); 1758 } 1759 return true; 1760 } 1761 1762 // Only apply an animation if the display isn't frozen. If it is 1763 // frozen, there is no reason to animate and it can cause strange 1764 // artifacts when we unfreeze the display if some different animation 1765 // is running. 1766 if (mService.okToDisplay()) { 1767 int anim = mPolicy.selectAnimationLw(mWin, transit); 1768 int attr = -1; 1769 Animation a = null; 1770 if (anim != 0) { 1771 a = anim != -1 ? AnimationUtils.loadAnimation(mContext, anim) : null; 1772 } else { 1773 switch (transit) { 1774 case WindowManagerPolicy.TRANSIT_ENTER: 1775 attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation; 1776 break; 1777 case WindowManagerPolicy.TRANSIT_EXIT: 1778 attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation; 1779 break; 1780 case WindowManagerPolicy.TRANSIT_SHOW: 1781 attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation; 1782 break; 1783 case WindowManagerPolicy.TRANSIT_HIDE: 1784 attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation; 1785 break; 1786 } 1787 if (attr >= 0) { 1788 a = mService.mAppTransition.loadAnimationAttr(mWin.mAttrs, attr); 1789 } 1790 } 1791 if (DEBUG_ANIM) Slog.v(TAG, 1792 "applyAnimation: win=" + this 1793 + " anim=" + anim + " attr=0x" + Integer.toHexString(attr) 1794 + " a=" + a 1795 + " transit=" + transit 1796 + " isEntrance=" + isEntrance + " Callers " + Debug.getCallers(3)); 1797 if (a != null) { 1798 if (DEBUG_ANIM) logWithStack(TAG, "Loaded animation " + a + " for " + this); 1799 setAnimation(a); 1800 mAnimationIsEntrance = isEntrance; 1801 } 1802 } else { 1803 clearAnimation(); 1804 } 1805 if (mWin.mAttrs.type == TYPE_INPUT_METHOD) { 1806 mService.adjustForImeIfNeeded(mWin.mDisplayContent); 1807 if (isEntrance) { 1808 mWin.setDisplayLayoutNeeded(); 1809 mService.mWindowPlacerLocked.requestTraversal(); 1810 } 1811 } 1812 return mAnimation != null; 1813 } 1814 1815 private void applyFadeoutDuringKeyguardExitAnimation() { 1816 long startTime = mAnimation.getStartTime(); 1817 long duration = mAnimation.getDuration(); 1818 long elapsed = mLastAnimationTime - startTime; 1819 long fadeDuration = duration - elapsed; 1820 if (fadeDuration <= 0) { 1821 // Never mind, this would be no visible animation, so abort the animation change. 1822 return; 1823 } 1824 AnimationSet newAnimation = new AnimationSet(false /* shareInterpolator */); 1825 newAnimation.setDuration(duration); 1826 newAnimation.setStartTime(startTime); 1827 newAnimation.addAnimation(mAnimation); 1828 Animation fadeOut = AnimationUtils.loadAnimation( 1829 mContext, com.android.internal.R.anim.app_starting_exit); 1830 fadeOut.setDuration(fadeDuration); 1831 fadeOut.setStartOffset(elapsed); 1832 newAnimation.addAnimation(fadeOut); 1833 newAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), mAnimDx, mAnimDy); 1834 mAnimation = newAnimation; 1835 } 1836 1837 public void dump(PrintWriter pw, String prefix, boolean dumpAll) { 1838 if (mAnimating || mLocalAnimating || mAnimationIsEntrance 1839 || mAnimation != null) { 1840 pw.print(prefix); pw.print("mAnimating="); pw.print(mAnimating); 1841 pw.print(" mLocalAnimating="); pw.print(mLocalAnimating); 1842 pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance); 1843 pw.print(" mAnimation="); pw.print(mAnimation); 1844 pw.print(" mStackClip="); pw.println(mStackClip); 1845 } 1846 if (mHasTransformation || mHasLocalTransformation) { 1847 pw.print(prefix); pw.print("XForm: has="); 1848 pw.print(mHasTransformation); 1849 pw.print(" hasLocal="); pw.print(mHasLocalTransformation); 1850 pw.print(" "); mTransformation.printShortString(pw); 1851 pw.println(); 1852 } 1853 if (mSurfaceController != null) { 1854 mSurfaceController.dump(pw, prefix, dumpAll); 1855 } 1856 if (dumpAll) { 1857 pw.print(prefix); pw.print("mDrawState="); pw.print(drawStateToString()); 1858 pw.print(prefix); pw.print(" mLastHidden="); pw.println(mLastHidden); 1859 pw.print(prefix); pw.print("mSystemDecorRect="); mSystemDecorRect.printShortString(pw); 1860 pw.print(" last="); mLastSystemDecorRect.printShortString(pw); 1861 pw.print(" mHasClipRect="); pw.print(mHasClipRect); 1862 pw.print(" mLastClipRect="); mLastClipRect.printShortString(pw); 1863 1864 if (!mLastFinalClipRect.isEmpty()) { 1865 pw.print(" mLastFinalClipRect="); mLastFinalClipRect.printShortString(pw); 1866 } 1867 pw.println(); 1868 } 1869 1870 if (mPendingDestroySurface != null) { 1871 pw.print(prefix); pw.print("mPendingDestroySurface="); 1872 pw.println(mPendingDestroySurface); 1873 } 1874 if (mSurfaceResized || mSurfaceDestroyDeferred) { 1875 pw.print(prefix); pw.print("mSurfaceResized="); pw.print(mSurfaceResized); 1876 pw.print(" mSurfaceDestroyDeferred="); pw.println(mSurfaceDestroyDeferred); 1877 } 1878 if (mShownAlpha != 1 || mAlpha != 1 || mLastAlpha != 1) { 1879 pw.print(prefix); pw.print("mShownAlpha="); pw.print(mShownAlpha); 1880 pw.print(" mAlpha="); pw.print(mAlpha); 1881 pw.print(" mLastAlpha="); pw.println(mLastAlpha); 1882 } 1883 if (mHaveMatrix || mWin.mGlobalScale != 1) { 1884 pw.print(prefix); pw.print("mGlobalScale="); pw.print(mWin.mGlobalScale); 1885 pw.print(" mDsDx="); pw.print(mDsDx); 1886 pw.print(" mDtDx="); pw.print(mDtDx); 1887 pw.print(" mDsDy="); pw.print(mDsDy); 1888 pw.print(" mDtDy="); pw.println(mDtDy); 1889 } 1890 if (mAnimationStartDelayed) { 1891 pw.print(prefix); pw.print("mAnimationStartDelayed="); pw.print(mAnimationStartDelayed); 1892 } 1893 } 1894 1895 @Override 1896 public String toString() { 1897 StringBuffer sb = new StringBuffer("WindowStateAnimator{"); 1898 sb.append(Integer.toHexString(System.identityHashCode(this))); 1899 sb.append(' '); 1900 sb.append(mWin.mAttrs.getTitle()); 1901 sb.append('}'); 1902 return sb.toString(); 1903 } 1904 1905 void reclaimSomeSurfaceMemory(String operation, boolean secure) { 1906 mService.reclaimSomeSurfaceMemoryLocked(this, operation, secure); 1907 } 1908 1909 boolean getShown() { 1910 if (mSurfaceController != null) { 1911 return mSurfaceController.getShown(); 1912 } 1913 return false; 1914 } 1915 1916 void destroySurface() { 1917 try { 1918 if (mSurfaceController != null) { 1919 mSurfaceController.destroyInTransaction(); 1920 } 1921 } catch (RuntimeException e) { 1922 Slog.w(TAG, "Exception thrown when destroying surface " + this 1923 + " surface " + mSurfaceController + " session " + mSession + ": " + e); 1924 } finally { 1925 mWin.setHasSurface(false); 1926 mSurfaceController = null; 1927 mDrawState = NO_SURFACE; 1928 } 1929 } 1930 1931 void setMoveAnimation(int left, int top) { 1932 final Animation a = AnimationUtils.loadAnimation(mContext, 1933 com.android.internal.R.anim.window_move_from_decor); 1934 setAnimation(a); 1935 mAnimDx = mWin.mLastFrame.left - left; 1936 mAnimDy = mWin.mLastFrame.top - top; 1937 mAnimateMove = true; 1938 } 1939 1940 void deferTransactionUntilParentFrame(long frameNumber) { 1941 if (!mWin.isChildWindow()) { 1942 return; 1943 } 1944 mDeferTransactionUntilFrame = frameNumber; 1945 mDeferTransactionTime = System.currentTimeMillis(); 1946 mSurfaceController.deferTransactionUntil( 1947 mWin.mAttachedWindow.mWinAnimator.mSurfaceController.getHandle(), 1948 frameNumber); 1949 } 1950 1951 // Defer the current transaction to the frame number of the last saved transaction. 1952 // We do this to avoid shooting through an unsynchronized transaction while something is 1953 // pending. This is generally fine, as either we will get in on the synchronization, 1954 // or SurfaceFlinger will see that the frame has already occured. The only 1955 // potential problem is in frame number resets so we reset things with a timeout 1956 // every so often to be careful. 1957 void deferToPendingTransaction() { 1958 if (mDeferTransactionUntilFrame < 0) { 1959 return; 1960 } 1961 long time = System.currentTimeMillis(); 1962 if (time > mDeferTransactionTime + PENDING_TRANSACTION_FINISH_WAIT_TIME) { 1963 mDeferTransactionTime = -1; 1964 mDeferTransactionUntilFrame = -1; 1965 } else { 1966 mSurfaceController.deferTransactionUntil( 1967 mWin.mAttachedWindow.mWinAnimator.mSurfaceController.getHandle(), 1968 mDeferTransactionUntilFrame); 1969 } 1970 } 1971 1972 /** 1973 * Sometimes we need to synchronize the first frame of animation with some external event. 1974 * To achieve this, we prolong the start of the animation and keep producing the first frame of 1975 * the animation. 1976 */ 1977 private long getAnimationFrameTime(Animation animation, long currentTime) { 1978 if (mAnimationStartDelayed) { 1979 animation.setStartTime(currentTime); 1980 return currentTime + 1; 1981 } 1982 return currentTime; 1983 } 1984 1985 void startDelayingAnimationStart() { 1986 mAnimationStartDelayed = true; 1987 } 1988 1989 void endDelayingAnimationStart() { 1990 mAnimationStartDelayed = false; 1991 } 1992} 1993