WindowStateAnimator.java revision c7294607fc0debc54e92abac18bec2601a21ce27
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 android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; 27import static com.android.server.wm.AppWindowAnimator.sDummyAnimation; 28import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_FREEFORM; 29import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE; 30import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM; 31import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS; 32import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT_REPEATS; 33import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION; 34import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STARTING_WINDOW; 35import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SURFACE_TRACE; 36import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY; 37import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER; 38import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_CROP; 39import static com.android.server.wm.WindowManagerDebugConfig.SHOW_LIGHT_TRANSACTIONS; 40import static com.android.server.wm.WindowManagerDebugConfig.SHOW_SURFACE_ALLOC; 41import static com.android.server.wm.WindowManagerDebugConfig.SHOW_TRANSACTIONS; 42import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; 43import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; 44import static com.android.server.wm.WindowManagerService.TYPE_LAYER_MULTIPLIER; 45import static com.android.server.wm.WindowManagerService.localLOGV; 46import static com.android.server.wm.WindowManagerService.logWithStack; 47import static com.android.server.wm.WindowSurfacePlacer.SET_ORIENTATION_CHANGE_COMPLETE; 48import static com.android.server.wm.WindowSurfacePlacer.SET_TURN_ON_SCREEN; 49 50import android.content.Context; 51import android.graphics.Matrix; 52import android.graphics.PixelFormat; 53import android.graphics.Point; 54import android.graphics.Rect; 55import android.graphics.Region; 56import android.os.Debug; 57import android.os.RemoteException; 58import android.util.Slog; 59import android.view.DisplayInfo; 60import android.view.MagnificationSpec; 61import android.view.Surface.OutOfResourcesException; 62import android.view.SurfaceControl; 63import android.view.WindowManager; 64import android.view.WindowManager.LayoutParams; 65import android.view.WindowManagerPolicy; 66import android.view.animation.Animation; 67import android.view.animation.AnimationSet; 68import android.view.animation.AnimationUtils; 69import android.view.animation.Transformation; 70 71import com.android.server.wm.WindowManagerService.H; 72 73import java.io.PrintWriter; 74 75/** 76 * Keep track of animations and surface operations for a single WindowState. 77 **/ 78class WindowStateAnimator { 79 static final String TAG = TAG_WITH_CLASS_NAME ? "WindowStateAnimator" : TAG_WM; 80 static final int WINDOW_FREEZE_LAYER = TYPE_LAYER_MULTIPLIER * 200; 81 82 /** 83 * Mode how the window gets clipped by the stack bounds during an animation: The clipping should 84 * be applied after applying the animation transformation, i.e. the stack bounds don't move 85 * during the animation. 86 */ 87 static final int STACK_CLIP_AFTER_ANIM = 0; 88 89 /** 90 * Mode how the window gets clipped by the stack bounds: The clipping should be applied before 91 * applying the animation transformation, i.e. the stack bounds move with the window. 92 */ 93 static final int STACK_CLIP_BEFORE_ANIM = 1; 94 95 /** 96 * Mode how window gets clipped by the stack bounds during an animation: Don't clip the window 97 * by the stack bounds. 98 */ 99 static final int STACK_CLIP_NONE = 2; 100 101 // Unchanging local convenience fields. 102 final WindowManagerService mService; 103 final WindowState mWin; 104 final WindowStateAnimator mAttachedWinAnimator; 105 final WindowAnimator mAnimator; 106 AppWindowAnimator mAppAnimator; 107 final Session mSession; 108 final WindowManagerPolicy mPolicy; 109 final Context mContext; 110 final boolean mIsWallpaper; 111 final WallpaperController mWallpaperControllerLocked; 112 113 // Currently running animation. 114 boolean mAnimating; 115 boolean mLocalAnimating; 116 Animation mAnimation; 117 boolean mAnimationIsEntrance; 118 boolean mHasTransformation; 119 boolean mHasLocalTransformation; 120 final Transformation mTransformation = new Transformation(); 121 boolean mWasAnimating; // Were we animating going into the most recent animation step? 122 int mAnimLayer; 123 int mLastLayer; 124 long mAnimationStartTime; 125 long mLastAnimationTime; 126 int mStackClip = STACK_CLIP_BEFORE_ANIM; 127 128 /** 129 * Set when we have changed the size of the surface, to know that 130 * we must tell them application to resize (and thus redraw itself). 131 */ 132 boolean mSurfaceResized; 133 /** 134 * Whether we should inform the client on next relayoutWindow that 135 * the surface has been resized since last time. 136 */ 137 boolean mReportSurfaceResized; 138 WindowSurfaceController mSurfaceController; 139 private WindowSurfaceController mPendingDestroySurface; 140 141 /** 142 * Set if the client has asked that the destroy of its surface be delayed 143 * until it explicitly says it is okay. 144 */ 145 boolean mSurfaceDestroyDeferred; 146 147 private boolean mDestroyPreservedSurfaceUponRedraw; 148 float mShownAlpha = 0; 149 float mAlpha = 0; 150 float mLastAlpha = 0; 151 152 boolean mHasClipRect; 153 Rect mClipRect = new Rect(); 154 Rect mTmpClipRect = new Rect(); 155 Rect mTmpFinalClipRect = new Rect(); 156 Rect mLastClipRect = new Rect(); 157 Rect mLastFinalClipRect = new Rect(); 158 Rect mTmpStackBounds = new Rect(); 159 160 /** 161 * This is rectangle of the window's surface that is not covered by 162 * system decorations. 163 */ 164 private final Rect mSystemDecorRect = new Rect(); 165 private final Rect mLastSystemDecorRect = new Rect(); 166 167 // Used to save animation distances between the time they are calculated and when they are used. 168 private int mAnimDx; 169 private int mAnimDy; 170 171 /** Is the next animation to be started a window move animation? */ 172 private boolean mAnimateMove = false; 173 174 float mDsDx=1, mDtDx=0, mDsDy=0, mDtDy=1; 175 float mLastDsDx=1, mLastDtDx=0, mLastDsDy=0, mLastDtDy=1; 176 177 boolean mHaveMatrix; 178 179 // Set to true if, when the window gets displayed, it should perform 180 // an enter animation. 181 boolean mEnterAnimationPending; 182 183 /** Used to indicate that this window is undergoing an enter animation. Used for system 184 * windows to make the callback to View.dispatchOnWindowShownCallback(). Set when the 185 * window is first added or shown, cleared when the callback has been made. */ 186 boolean mEnteringAnimation; 187 188 private boolean mAnimationStartDelayed; 189 190 boolean mKeyguardGoingAwayAnimation; 191 boolean mKeyguardGoingAwayWithWallpaper; 192 193 /** The pixel format of the underlying SurfaceControl */ 194 int mSurfaceFormat; 195 196 /** This is set when there is no Surface */ 197 static final int NO_SURFACE = 0; 198 /** This is set after the Surface has been created but before the window has been drawn. During 199 * this time the surface is hidden. */ 200 static final int DRAW_PENDING = 1; 201 /** This is set after the window has finished drawing for the first time but before its surface 202 * is shown. The surface will be displayed when the next layout is run. */ 203 static final int COMMIT_DRAW_PENDING = 2; 204 /** This is set during the time after the window's drawing has been committed, and before its 205 * surface is actually shown. It is used to delay showing the surface until all windows in a 206 * token are ready to be shown. */ 207 static final int READY_TO_SHOW = 3; 208 /** Set when the window has been shown in the screen the first time. */ 209 static final int HAS_DRAWN = 4; 210 211 String drawStateToString() { 212 switch (mDrawState) { 213 case NO_SURFACE: return "NO_SURFACE"; 214 case DRAW_PENDING: return "DRAW_PENDING"; 215 case COMMIT_DRAW_PENDING: return "COMMIT_DRAW_PENDING"; 216 case READY_TO_SHOW: return "READY_TO_SHOW"; 217 case HAS_DRAWN: return "HAS_DRAWN"; 218 default: return Integer.toString(mDrawState); 219 } 220 } 221 int mDrawState; 222 223 /** Was this window last hidden? */ 224 boolean mLastHidden; 225 226 int mAttrType; 227 228 static final long PENDING_TRANSACTION_FINISH_WAIT_TIME = 100; 229 long mDeferTransactionUntilFrame = -1; 230 long mDeferTransactionTime = -1; 231 232 boolean mForceScaleUntilResize; 233 234 private final Rect mTmpSize = new Rect(); 235 236 WindowStateAnimator(final WindowState win) { 237 final WindowManagerService service = win.mService; 238 239 mService = service; 240 mAnimator = service.mAnimator; 241 mPolicy = service.mPolicy; 242 mContext = service.mContext; 243 final DisplayContent displayContent = win.getDisplayContent(); 244 if (displayContent != null) { 245 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 246 mAnimDx = displayInfo.appWidth; 247 mAnimDy = displayInfo.appHeight; 248 } else { 249 Slog.w(TAG, "WindowStateAnimator ctor: Display has been removed"); 250 // This is checked on return and dealt with. 251 } 252 253 mWin = win; 254 mAttachedWinAnimator = win.mAttachedWindow == null 255 ? null : win.mAttachedWindow.mWinAnimator; 256 mAppAnimator = win.mAppToken == null ? null : win.mAppToken.mAppAnimator; 257 mSession = win.mSession; 258 mAttrType = win.mAttrs.type; 259 mIsWallpaper = win.mIsWallpaper; 260 mWallpaperControllerLocked = mService.mWallpaperControllerLocked; 261 } 262 263 public void setAnimation(Animation anim, long startTime, int stackClip) { 264 if (localLOGV) Slog.v(TAG, "Setting animation in " + this + ": " + anim); 265 mAnimating = false; 266 mLocalAnimating = false; 267 mAnimation = anim; 268 mAnimation.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION); 269 mAnimation.scaleCurrentDuration(mService.getWindowAnimationScaleLocked()); 270 // Start out animation gone if window is gone, or visible if window is visible. 271 mTransformation.clear(); 272 mTransformation.setAlpha(mLastHidden ? 0 : 1); 273 mHasLocalTransformation = true; 274 mAnimationStartTime = startTime; 275 mStackClip = stackClip; 276 } 277 278 public void setAnimation(Animation anim, int stackClip) { 279 setAnimation(anim, -1, stackClip); 280 } 281 282 public void setAnimation(Animation anim) { 283 setAnimation(anim, -1, STACK_CLIP_AFTER_ANIM); 284 } 285 286 public void clearAnimation() { 287 if (mAnimation != null) { 288 mAnimating = true; 289 mLocalAnimating = false; 290 mAnimation.cancel(); 291 mAnimation = null; 292 mKeyguardGoingAwayAnimation = false; 293 mKeyguardGoingAwayWithWallpaper = false; 294 mStackClip = STACK_CLIP_BEFORE_ANIM; 295 } 296 } 297 298 /** 299 * Is the window or its container currently set to animate or currently animating? 300 */ 301 boolean isAnimationSet() { 302 return mAnimation != null 303 || (mAttachedWinAnimator != null && mAttachedWinAnimator.mAnimation != null) 304 || (mAppAnimator != null && mAppAnimator.isAnimating()); 305 } 306 307 /** 308 * @return whether an animation is about to start, i.e. the animation is set already but we 309 * haven't processed the first frame yet. 310 */ 311 boolean isAnimationStarting() { 312 return isAnimationSet() && !mAnimating; 313 } 314 315 /** Is the window animating the DummyAnimation? */ 316 boolean isDummyAnimation() { 317 return mAppAnimator != null 318 && mAppAnimator.animation == sDummyAnimation; 319 } 320 321 /** 322 * Is this window currently set to animate or currently animating? 323 */ 324 boolean isWindowAnimationSet() { 325 return mAnimation != null; 326 } 327 328 /** 329 * Is this window currently waiting to run an opening animation? 330 */ 331 boolean isWaitingForOpening() { 332 return mService.mAppTransition.isTransitionSet() && isDummyAnimation() 333 && mService.mOpeningApps.contains(mWin.mAppToken); 334 } 335 336 void cancelExitAnimationForNextAnimationLocked() { 337 if (DEBUG_ANIM) Slog.d(TAG, 338 "cancelExitAnimationForNextAnimationLocked: " + mWin); 339 340 if (mAnimation != null) { 341 mAnimation.cancel(); 342 mAnimation = null; 343 mLocalAnimating = false; 344 mWin.destroyOrSaveSurface(); 345 } 346 } 347 348 private boolean stepAnimation(long currentTime) { 349 if ((mAnimation == null) || !mLocalAnimating) { 350 return false; 351 } 352 currentTime = getAnimationFrameTime(mAnimation, currentTime); 353 mTransformation.clear(); 354 final boolean more = mAnimation.getTransformation(currentTime, mTransformation); 355 if (mAnimationStartDelayed && mAnimationIsEntrance) { 356 mTransformation.setAlpha(0f); 357 } 358 if (false && DEBUG_ANIM) Slog.v(TAG, "Stepped animation in " + this + ": more=" + more 359 + ", xform=" + mTransformation); 360 return more; 361 } 362 363 // This must be called while inside a transaction. Returns true if 364 // there is more animation to run. 365 boolean stepAnimationLocked(long currentTime) { 366 // Save the animation state as it was before this step so WindowManagerService can tell if 367 // we just started or just stopped animating by comparing mWasAnimating with isAnimationSet(). 368 mWasAnimating = mAnimating; 369 final DisplayContent displayContent = mWin.getDisplayContent(); 370 if (displayContent != null && mService.okToDisplay()) { 371 // We will run animations as long as the display isn't frozen. 372 373 if (mWin.isDrawnLw() && mAnimation != null) { 374 mHasTransformation = true; 375 mHasLocalTransformation = true; 376 if (!mLocalAnimating) { 377 if (DEBUG_ANIM) Slog.v( 378 TAG, "Starting animation in " + this + 379 " @ " + currentTime + ": ww=" + mWin.mFrame.width() + 380 " wh=" + mWin.mFrame.height() + 381 " dx=" + mAnimDx + " dy=" + mAnimDy + 382 " scale=" + mService.getWindowAnimationScaleLocked()); 383 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 384 if (mAnimateMove) { 385 mAnimateMove = false; 386 mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), 387 mAnimDx, mAnimDy); 388 } else { 389 mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), 390 displayInfo.appWidth, displayInfo.appHeight); 391 } 392 mAnimDx = displayInfo.appWidth; 393 mAnimDy = displayInfo.appHeight; 394 mAnimation.setStartTime(mAnimationStartTime != -1 395 ? mAnimationStartTime 396 : currentTime); 397 mLocalAnimating = true; 398 mAnimating = true; 399 } 400 if ((mAnimation != null) && mLocalAnimating) { 401 mLastAnimationTime = currentTime; 402 if (stepAnimation(currentTime)) { 403 return true; 404 } 405 } 406 if (DEBUG_ANIM) Slog.v( 407 TAG, "Finished animation in " + this + 408 " @ " + currentTime); 409 //WindowManagerService.this.dump(); 410 } 411 mHasLocalTransformation = false; 412 if ((!mLocalAnimating || mAnimationIsEntrance) && mAppAnimator != null 413 && mAppAnimator.animation != null) { 414 // When our app token is animating, we kind-of pretend like 415 // we are as well. Note the mLocalAnimating mAnimationIsEntrance 416 // part of this check means that we will only do this if 417 // our window is not currently exiting, or it is not 418 // locally animating itself. The idea being that one that 419 // is exiting and doing a local animation should be removed 420 // once that animation is done. 421 mAnimating = true; 422 mHasTransformation = true; 423 mTransformation.clear(); 424 return false; 425 } else if (mHasTransformation) { 426 // Little trick to get through the path below to act like 427 // we have finished an animation. 428 mAnimating = true; 429 } else if (isAnimationSet()) { 430 mAnimating = true; 431 } 432 } else if (mAnimation != null) { 433 // If the display is frozen, and there is a pending animation, 434 // clear it and make sure we run the cleanup code. 435 mAnimating = true; 436 } 437 438 if (!mAnimating && !mLocalAnimating) { 439 return false; 440 } 441 442 // Done animating, clean up. 443 if (DEBUG_ANIM) Slog.v( 444 TAG, "Animation done in " + this + ": exiting=" + mWin.mAnimatingExit 445 + ", reportedVisible=" 446 + (mWin.mAppToken != null ? mWin.mAppToken.reportedVisible : false)); 447 448 mAnimating = false; 449 mKeyguardGoingAwayAnimation = false; 450 mKeyguardGoingAwayWithWallpaper = false; 451 mLocalAnimating = false; 452 if (mAnimation != null) { 453 mAnimation.cancel(); 454 mAnimation = null; 455 } 456 if (mAnimator.mWindowDetachedWallpaper == mWin) { 457 mAnimator.mWindowDetachedWallpaper = null; 458 } 459 mAnimLayer = mWin.mLayer 460 + mService.mLayersController.getSpecialWindowAnimLayerAdjustment(mWin); 461 if (DEBUG_LAYERS) Slog.v(TAG, "Stepping win " + this + " anim layer: " + mAnimLayer); 462 mHasTransformation = false; 463 mHasLocalTransformation = false; 464 mStackClip = STACK_CLIP_BEFORE_ANIM; 465 mWin.checkPolicyVisibilityChange(); 466 mTransformation.clear(); 467 if (mDrawState == HAS_DRAWN 468 && mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING 469 && mWin.mAppToken != null 470 && mWin.mAppToken.firstWindowDrawn 471 && mWin.mAppToken.startingData != null) { 472 if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Finish starting " 473 + mWin.mToken + ": first real window done animating"); 474 mService.mFinishedStarting.add(mWin.mAppToken); 475 mService.mH.sendEmptyMessage(H.FINISHED_STARTING); 476 } else if (mAttrType == LayoutParams.TYPE_STATUS_BAR && mWin.mPolicyVisibility) { 477 // Upon completion of a not-visible to visible status bar animation a relayout is 478 // required. 479 if (displayContent != null) { 480 displayContent.layoutNeeded = true; 481 } 482 } 483 484 finishExit(); 485 final int displayId = mWin.getDisplayId(); 486 mAnimator.setPendingLayoutChanges(displayId, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 487 if (DEBUG_LAYOUT_REPEATS) 488 mService.mWindowPlacerLocked.debugLayoutRepeats( 489 "WindowStateAnimator", mAnimator.getPendingLayoutChanges(displayId)); 490 491 if (mWin.mAppToken != null) { 492 mWin.mAppToken.updateReportedVisibilityLocked(); 493 } 494 495 return false; 496 } 497 498 void finishExit() { 499 if (DEBUG_ANIM) Slog.v( 500 TAG, "finishExit in " + this 501 + ": exiting=" + mWin.mAnimatingExit 502 + " remove=" + mWin.mRemoveOnExit 503 + " windowAnimating=" + isWindowAnimationSet()); 504 505 if (!mWin.mChildWindows.isEmpty()) { 506 // Copying to a different list as multiple children can be removed. 507 final WindowList childWindows = new WindowList(mWin.mChildWindows); 508 for (int i = childWindows.size() - 1; i >= 0; i--) { 509 childWindows.get(i).mWinAnimator.finishExit(); 510 } 511 } 512 513 if (mEnteringAnimation) { 514 mEnteringAnimation = false; 515 mService.requestTraversal(); 516 // System windows don't have an activity and an app token as a result, but need a way 517 // to be informed about their entrance animation end. 518 if (mWin.mAppToken == null) { 519 try { 520 mWin.mClient.dispatchWindowShown(); 521 } catch (RemoteException e) { 522 } 523 } 524 } 525 526 if (!isWindowAnimationSet()) { 527 //TODO (multidisplay): Accessibility is supported only for the default display. 528 if (mService.mAccessibilityController != null 529 && mWin.getDisplayId() == DEFAULT_DISPLAY) { 530 mService.mAccessibilityController.onSomeWindowResizedOrMovedLocked(); 531 } 532 } 533 534 if (!mWin.mAnimatingExit) { 535 return; 536 } 537 538 if (isWindowAnimationSet()) { 539 return; 540 } 541 542 if (WindowManagerService.localLOGV || DEBUG_ADD_REMOVE) Slog.v(TAG, 543 "Exit animation finished in " + this + ": remove=" + mWin.mRemoveOnExit); 544 545 546 mWin.mDestroying = true; 547 548 final boolean hasSurface = hasSurface(); 549 if (hasSurface) { 550 hide("finishExit"); 551 } 552 553 // If we have an app token, we ask it to destroy the surface for us, 554 // so that it can take care to ensure the activity has actually stopped 555 // and the surface is not still in use. Otherwise we add the service to 556 // mDestroySurface and allow it to be processed in our next transaction. 557 if (mWin.mAppToken != null) { 558 mWin.mAppToken.destroySurfaces(); 559 } else { 560 if (hasSurface) { 561 mService.mDestroySurface.add(mWin); 562 } 563 if (mWin.mRemoveOnExit) { 564 mService.mPendingRemove.add(mWin); 565 mWin.mRemoveOnExit = false; 566 } 567 } 568 mWin.mAnimatingExit = false; 569 mWallpaperControllerLocked.hideWallpapers(mWin); 570 } 571 572 void hide(String reason) { 573 if (!mLastHidden) { 574 //dump(); 575 mLastHidden = true; 576 if (mSurfaceController != null) { 577 mSurfaceController.hideInTransaction(reason); 578 } 579 } 580 } 581 582 boolean finishDrawingLocked() { 583 final boolean startingWindow = 584 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 585 if (DEBUG_STARTING_WINDOW && startingWindow) { 586 Slog.v(TAG, "Finishing drawing window " + mWin + ": mDrawState=" 587 + drawStateToString()); 588 } 589 590 mWin.clearAnimatingWithSavedSurface(); 591 592 if (mDrawState == DRAW_PENDING) { 593 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM || SHOW_TRANSACTIONS || DEBUG_ORIENTATION) 594 Slog.v(TAG, "finishDrawingLocked: mDrawState=COMMIT_DRAW_PENDING " + mWin + " in " 595 + mSurfaceController); 596 if (DEBUG_STARTING_WINDOW && startingWindow) { 597 Slog.v(TAG, "Draw state now committed in " + mWin); 598 } 599 mDrawState = COMMIT_DRAW_PENDING; 600 return true; 601 } 602 603 return false; 604 } 605 606 // This must be called while inside a transaction. 607 boolean commitFinishDrawingLocked() { 608 if (DEBUG_STARTING_WINDOW && 609 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { 610 Slog.i(TAG, "commitFinishDrawingLocked: " + mWin + " cur mDrawState=" 611 + drawStateToString()); 612 } 613 if (mDrawState != COMMIT_DRAW_PENDING && mDrawState != READY_TO_SHOW) { 614 return false; 615 } 616 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) { 617 Slog.i(TAG, "commitFinishDrawingLocked: mDrawState=READY_TO_SHOW " + mSurfaceController); 618 } 619 mDrawState = READY_TO_SHOW; 620 boolean result = false; 621 final AppWindowToken atoken = mWin.mAppToken; 622 if (atoken == null || atoken.allDrawn || mWin.mAttrs.type == TYPE_APPLICATION_STARTING) { 623 result = performShowLocked(); 624 } 625 return result; 626 } 627 628 void preserveSurfaceLocked() { 629 if (mDestroyPreservedSurfaceUponRedraw) { 630 // This could happen when switching the surface mode very fast. For example, 631 // we preserved a surface when dragResizing changed to true. Then before the 632 // preserved surface is removed, dragResizing changed to false again. 633 // In this case, we need to leave the preserved surface alone, and destroy 634 // the actual surface, so that the createSurface call could create a surface 635 // of the proper size. The preserved surface will still be removed when client 636 // finishes drawing to the new surface. 637 mSurfaceDestroyDeferred = false; 638 destroySurfaceLocked(); 639 mSurfaceDestroyDeferred = true; 640 return; 641 } 642 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin, "SET FREEZE LAYER", false); 643 if (mSurfaceController != null) { 644 mSurfaceController.setLayer(mAnimLayer + 1); 645 } 646 mDestroyPreservedSurfaceUponRedraw = true; 647 mSurfaceDestroyDeferred = true; 648 destroySurfaceLocked(); 649 } 650 651 void destroyPreservedSurfaceLocked() { 652 if (!mDestroyPreservedSurfaceUponRedraw) { 653 return; 654 } 655 destroyDeferredSurfaceLocked(); 656 mDestroyPreservedSurfaceUponRedraw = false; 657 } 658 659 void markPreservedSurfaceForDestroy() { 660 if (mDestroyPreservedSurfaceUponRedraw 661 && !mService.mDestroyPreservedSurface.contains(mWin)) { 662 mService.mDestroyPreservedSurface.add(mWin); 663 } 664 } 665 666 WindowSurfaceController createSurfaceLocked() { 667 final WindowState w = mWin; 668 if (w.hasSavedSurface()) { 669 if (DEBUG_ANIM) Slog.i(TAG, 670 "createSurface: " + this + ": called when we had a saved surface"); 671 w.restoreSavedSurface(); 672 return mSurfaceController; 673 } 674 675 if (mSurfaceController != null) { 676 return mSurfaceController; 677 } 678 679 w.setHasSurface(false); 680 681 if (DEBUG_ANIM || DEBUG_ORIENTATION) Slog.i(TAG, 682 "createSurface " + this + ": mDrawState=DRAW_PENDING"); 683 684 mDrawState = DRAW_PENDING; 685 if (w.mAppToken != null) { 686 if (w.mAppToken.mAppAnimator.animation == null) { 687 w.mAppToken.clearAllDrawn(); 688 } else { 689 // Currently animating, persist current state of allDrawn until animation 690 // is complete. 691 w.mAppToken.deferClearAllDrawn = true; 692 } 693 } 694 695 mService.makeWindowFreezingScreenIfNeededLocked(w); 696 697 int flags = SurfaceControl.HIDDEN; 698 final WindowManager.LayoutParams attrs = w.mAttrs; 699 700 if (mService.isSecureLocked(w)) { 701 flags |= SurfaceControl.SECURE; 702 } 703 704 mTmpSize.set(w.mFrame.left + w.mXOffset, w.mFrame.top + w.mYOffset, 0, 0); 705 calculateSurfaceBounds(w, attrs); 706 final int width = mTmpSize.width(); 707 final int height = mTmpSize.height(); 708 709 if (DEBUG_VISIBILITY) { 710 Slog.v(TAG, "Creating surface in session " 711 + mSession.mSurfaceSession + " window " + this 712 + " w=" + width + " h=" + height 713 + " x=" + mTmpSize.left + " y=" + mTmpSize.top 714 + " format=" + attrs.format + " flags=" + flags); 715 } 716 717 // We may abort, so initialize to defaults. 718 mLastSystemDecorRect.set(0, 0, 0, 0); 719 mHasClipRect = false; 720 mClipRect.set(0, 0, 0, 0); 721 mLastClipRect.set(0, 0, 0, 0); 722 723 // Set up surface control with initial size. 724 try { 725 726 final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0; 727 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format; 728 if (!PixelFormat.formatHasAlpha(attrs.format) 729 // Don't make surface with surfaceInsets opaque as they display a 730 // translucent shadow. 731 && attrs.surfaceInsets.left == 0 732 && attrs.surfaceInsets.top == 0 733 && attrs.surfaceInsets.right == 0 734 && attrs.surfaceInsets.bottom == 0 735 // Don't make surface opaque when resizing to reduce the amount of 736 // artifacts shown in areas the app isn't drawing content to. 737 && !w.isDragResizing()) { 738 flags |= SurfaceControl.OPAQUE; 739 } 740 741 mSurfaceController = new WindowSurfaceController(mSession.mSurfaceSession, 742 attrs.getTitle().toString(), 743 width, height, format, flags, this); 744 745 w.setHasSurface(true); 746 747 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 748 Slog.i(TAG, " CREATE SURFACE " 749 + mSurfaceController + " IN SESSION " 750 + mSession.mSurfaceSession 751 + ": pid=" + mSession.mPid + " format=" 752 + attrs.format + " flags=0x" 753 + Integer.toHexString(flags) 754 + " / " + this); 755 } 756 } catch (OutOfResourcesException e) { 757 Slog.w(TAG, "OutOfResourcesException creating surface"); 758 mService.reclaimSomeSurfaceMemoryLocked(this, "create", true); 759 mDrawState = NO_SURFACE; 760 return null; 761 } catch (Exception e) { 762 Slog.e(TAG, "Exception creating surface", e); 763 mDrawState = NO_SURFACE; 764 return null; 765 } 766 767 if (WindowManagerService.localLOGV) Slog.v(TAG, "Got surface: " + mSurfaceController 768 + ", set left=" + w.mFrame.left + " top=" + w.mFrame.top 769 + ", animLayer=" + mAnimLayer); 770 771 if (SHOW_LIGHT_TRANSACTIONS) { 772 Slog.i(TAG, ">>> OPEN TRANSACTION createSurfaceLocked"); 773 WindowManagerService.logSurface(w, "CREATE pos=(" 774 + w.mFrame.left + "," + w.mFrame.top + ") (" 775 + width + "x" + height + "), layer=" + mAnimLayer + " HIDE", false); 776 } 777 778 // Start a new transaction and apply position & offset. 779 final int layerStack = w.getDisplayContent().getDisplay().getLayerStack(); 780 mSurfaceController.setPositionAndLayer(mTmpSize.left, mTmpSize.top, layerStack, mAnimLayer); 781 mLastHidden = true; 782 783 if (WindowManagerService.localLOGV) Slog.v(TAG, "Created surface " + this); 784 return mSurfaceController; 785 } 786 787 private void calculateSurfaceBounds(WindowState w, LayoutParams attrs) { 788 if ((attrs.flags & FLAG_SCALED) != 0) { 789 // For a scaled surface, we always want the requested size. 790 mTmpSize.right = mTmpSize.left + w.mRequestedWidth; 791 mTmpSize.bottom = mTmpSize.top + w.mRequestedHeight; 792 } else { 793 // When we're doing a drag-resizing, request a surface that's fullscreen size, 794 // so that we don't need to reallocate during the process. This also prevents 795 // buffer drops due to size mismatch. 796 if (w.isDragResizing()) { 797 if (w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM) { 798 mTmpSize.left = 0; 799 mTmpSize.top = 0; 800 } 801 final DisplayInfo displayInfo = w.getDisplayInfo(); 802 mTmpSize.right = mTmpSize.left + displayInfo.logicalWidth; 803 mTmpSize.bottom = mTmpSize.top + displayInfo.logicalHeight; 804 } else { 805 mTmpSize.right = mTmpSize.left + w.mCompatFrame.width(); 806 mTmpSize.bottom = mTmpSize.top + w.mCompatFrame.height(); 807 } 808 } 809 810 // Something is wrong and SurfaceFlinger will not like this, try to revert to sane values. 811 // This doesn't necessarily mean that there is an error in the system. The sizes might be 812 // incorrect, because it is before the first layout or draw. 813 if (mTmpSize.width() < 1) { 814 mTmpSize.right = mTmpSize.left + 1; 815 } 816 if (mTmpSize.height() < 1) { 817 mTmpSize.bottom = mTmpSize.top + 1; 818 } 819 820 final int displayId = w.getDisplayId(); 821 float scale = 1.0f; 822 // Magnification is supported only for the default display. 823 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 824 final MagnificationSpec spec = 825 mService.mAccessibilityController.getMagnificationSpecForWindowLocked(w); 826 if (spec != null && !spec.isNop()) { 827 scale = spec.scale; 828 } 829 } 830 831 // Adjust for surface insets. 832 mTmpSize.left -= scale * attrs.surfaceInsets.left; 833 mTmpSize.top -= scale * attrs.surfaceInsets.top; 834 mTmpSize.right += scale * attrs.surfaceInsets.right; 835 mTmpSize.bottom += scale * attrs.surfaceInsets.bottom; 836 } 837 838 boolean hasSurface() { 839 return !mWin.hasSavedSurface() 840 && mSurfaceController != null && mSurfaceController.hasSurface(); 841 } 842 843 void destroySurfaceLocked() { 844 final AppWindowToken wtoken = mWin.mAppToken; 845 if (wtoken != null) { 846 if (mWin == wtoken.startingWindow) { 847 wtoken.startingDisplayed = false; 848 } 849 } 850 851 mWin.clearHasSavedSurface(); 852 853 if (mSurfaceController == null) { 854 return; 855 } 856 857 int i = mWin.mChildWindows.size(); 858 // When destroying a surface we want to make sure child windows are hidden. If we are 859 // preserving the surface until redraw though we intend to swap it out with another surface 860 // for resizing. In this case the window always remains visible to the user and the child 861 // windows should likewise remain visible. 862 while (!mDestroyPreservedSurfaceUponRedraw && i > 0) { 863 i--; 864 WindowState c = mWin.mChildWindows.get(i); 865 c.mAttachedHidden = true; 866 } 867 868 try { 869 if (DEBUG_VISIBILITY) logWithStack(TAG, "Window " + this + " destroying surface " 870 + mSurfaceController + ", session " + mSession); 871 if (mSurfaceDestroyDeferred) { 872 if (mSurfaceController != null && mPendingDestroySurface != mSurfaceController) { 873 if (mPendingDestroySurface != null) { 874 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 875 WindowManagerService.logSurface(mWin, "DESTROY PENDING", true); 876 } 877 mPendingDestroySurface.destroyInTransaction(); 878 } 879 mPendingDestroySurface = mSurfaceController; 880 } 881 } else { 882 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 883 WindowManagerService.logSurface(mWin, "DESTROY", true); 884 } 885 destroySurface(); 886 } 887 // Don't hide wallpaper if we're deferring the surface destroy 888 // because of a surface change. 889 if (!mDestroyPreservedSurfaceUponRedraw) { 890 mWallpaperControllerLocked.hideWallpapers(mWin); 891 } 892 } catch (RuntimeException e) { 893 Slog.w(TAG, "Exception thrown when destroying Window " + this 894 + " surface " + mSurfaceController + " session " + mSession + ": " + e.toString()); 895 } 896 897 // Whether the surface was preserved (and copied to mPendingDestroySurface) or not, it 898 // needs to be cleared to match the WindowState.mHasSurface state. It is also necessary 899 // so it can be recreated successfully in mPendingDestroySurface case. 900 mWin.setHasSurface(false); 901 if (mSurfaceController != null) { 902 mSurfaceController.setShown(false); 903 } 904 mSurfaceController = null; 905 mDrawState = NO_SURFACE; 906 } 907 908 void destroyDeferredSurfaceLocked() { 909 try { 910 if (mPendingDestroySurface != null) { 911 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 912 WindowManagerService.logSurface(mWin, "DESTROY PENDING", true); 913 } 914 mPendingDestroySurface.destroyInTransaction(); 915 // Don't hide wallpaper if we're destroying a deferred surface 916 // after a surface mode change. 917 if (!mDestroyPreservedSurfaceUponRedraw) { 918 mWallpaperControllerLocked.hideWallpapers(mWin); 919 } 920 } 921 } catch (RuntimeException e) { 922 Slog.w(TAG, "Exception thrown when destroying Window " 923 + this + " surface " + mPendingDestroySurface 924 + " session " + mSession + ": " + e.toString()); 925 } 926 mSurfaceDestroyDeferred = false; 927 mPendingDestroySurface = null; 928 } 929 930 void computeShownFrameLocked() { 931 final boolean selfTransformation = mHasLocalTransformation; 932 Transformation attachedTransformation = 933 (mAttachedWinAnimator != null && mAttachedWinAnimator.mHasLocalTransformation) 934 ? mAttachedWinAnimator.mTransformation : null; 935 Transformation appTransformation = (mAppAnimator != null && mAppAnimator.hasTransformation) 936 ? mAppAnimator.transformation : null; 937 938 // Wallpapers are animated based on the "real" window they 939 // are currently targeting. 940 final WindowState wallpaperTarget = mWallpaperControllerLocked.getWallpaperTarget(); 941 if (mIsWallpaper && wallpaperTarget != null && mService.mAnimateWallpaperWithTarget) { 942 final WindowStateAnimator wallpaperAnimator = wallpaperTarget.mWinAnimator; 943 if (wallpaperAnimator.mHasLocalTransformation && 944 wallpaperAnimator.mAnimation != null && 945 !wallpaperAnimator.mAnimation.getDetachWallpaper()) { 946 attachedTransformation = wallpaperAnimator.mTransformation; 947 if (DEBUG_WALLPAPER && attachedTransformation != null) { 948 Slog.v(TAG, "WP target attached xform: " + attachedTransformation); 949 } 950 } 951 final AppWindowAnimator wpAppAnimator = wallpaperTarget.mAppToken == null ? 952 null : wallpaperTarget.mAppToken.mAppAnimator; 953 if (wpAppAnimator != null && wpAppAnimator.hasTransformation 954 && wpAppAnimator.animation != null 955 && !wpAppAnimator.animation.getDetachWallpaper()) { 956 appTransformation = wpAppAnimator.transformation; 957 if (DEBUG_WALLPAPER && appTransformation != null) { 958 Slog.v(TAG, "WP target app xform: " + appTransformation); 959 } 960 } 961 } 962 963 final int displayId = mWin.getDisplayId(); 964 final ScreenRotationAnimation screenRotationAnimation = 965 mAnimator.getScreenRotationAnimationLocked(displayId); 966 final boolean screenAnimation = 967 screenRotationAnimation != null && screenRotationAnimation.isAnimating(); 968 969 mHasClipRect = false; 970 if (selfTransformation || attachedTransformation != null 971 || appTransformation != null || screenAnimation) { 972 // cache often used attributes locally 973 final Rect frame = mWin.mFrame; 974 final float tmpFloats[] = mService.mTmpFloats; 975 final Matrix tmpMatrix = mWin.mTmpMatrix; 976 977 // Compute the desired transformation. 978 if (screenAnimation && screenRotationAnimation.isRotating()) { 979 // If we are doing a screen animation, the global rotation 980 // applied to windows can result in windows that are carefully 981 // aligned with each other to slightly separate, allowing you 982 // to see what is behind them. An unsightly mess. This... 983 // thing... magically makes it call good: scale each window 984 // slightly (two pixels larger in each dimension, from the 985 // window's center). 986 final float w = frame.width(); 987 final float h = frame.height(); 988 if (w>=1 && h>=1) { 989 tmpMatrix.setScale(1 + 2/w, 1 + 2/h, w/2, h/2); 990 } else { 991 tmpMatrix.reset(); 992 } 993 } else { 994 tmpMatrix.reset(); 995 } 996 tmpMatrix.postScale(mWin.mGlobalScale, mWin.mGlobalScale); 997 if (selfTransformation) { 998 tmpMatrix.postConcat(mTransformation.getMatrix()); 999 } 1000 if (attachedTransformation != null) { 1001 tmpMatrix.postConcat(attachedTransformation.getMatrix()); 1002 } 1003 if (appTransformation != null) { 1004 tmpMatrix.postConcat(appTransformation.getMatrix()); 1005 } 1006 1007 // The translation that applies the position of the window needs to be applied at the 1008 // end in case that other translations include scaling. Otherwise the scaling will 1009 // affect this translation. But it needs to be set before the screen rotation animation 1010 // so the pivot point is at the center of the screen for all windows. 1011 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 1012 if (screenAnimation) { 1013 tmpMatrix.postConcat(screenRotationAnimation.getEnterTransformation().getMatrix()); 1014 } 1015 1016 //TODO (multidisplay): Magnification is supported only for the default display. 1017 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 1018 MagnificationSpec spec = mService.mAccessibilityController 1019 .getMagnificationSpecForWindowLocked(mWin); 1020 if (spec != null && !spec.isNop()) { 1021 tmpMatrix.postScale(spec.scale, spec.scale); 1022 tmpMatrix.postTranslate(spec.offsetX, spec.offsetY); 1023 } 1024 } 1025 1026 // "convert" it into SurfaceFlinger's format 1027 // (a 2x2 matrix + an offset) 1028 // Here we must not transform the position of the surface 1029 // since it is already included in the transformation. 1030 //Slog.i(TAG_WM, "Transform: " + matrix); 1031 1032 mHaveMatrix = true; 1033 tmpMatrix.getValues(tmpFloats); 1034 mDsDx = tmpFloats[Matrix.MSCALE_X]; 1035 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 1036 mDsDy = tmpFloats[Matrix.MSKEW_X]; 1037 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 1038 float x = tmpFloats[Matrix.MTRANS_X]; 1039 float y = tmpFloats[Matrix.MTRANS_Y]; 1040 mWin.mShownPosition.set((int) x, (int) y); 1041 1042 // Now set the alpha... but because our current hardware 1043 // can't do alpha transformation on a non-opaque surface, 1044 // turn it off if we are running an animation that is also 1045 // transforming since it is more important to have that 1046 // animation be smooth. 1047 mShownAlpha = mAlpha; 1048 if (!mService.mLimitedAlphaCompositing 1049 || (!PixelFormat.formatHasAlpha(mWin.mAttrs.format) 1050 || (mWin.isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy) 1051 && x == frame.left && y == frame.top))) { 1052 //Slog.i(TAG_WM, "Applying alpha transform"); 1053 if (selfTransformation) { 1054 mShownAlpha *= mTransformation.getAlpha(); 1055 } 1056 if (attachedTransformation != null) { 1057 mShownAlpha *= attachedTransformation.getAlpha(); 1058 } 1059 if (appTransformation != null) { 1060 mShownAlpha *= appTransformation.getAlpha(); 1061 if (appTransformation.hasClipRect()) { 1062 mClipRect.set(appTransformation.getClipRect()); 1063 mHasClipRect = true; 1064 // The app transformation clip will be in the coordinate space of the main 1065 // activity window, which the animation correctly assumes will be placed at 1066 // (0,0)+(insets) relative to the containing frame. This isn't necessarily 1067 // true for child windows though which can have an arbitrary frame position 1068 // relative to their containing frame. We need to offset the difference 1069 // between the containing frame as used to calculate the crop and our 1070 // bounds to compensate for this. 1071 if (mWin.layoutInParentFrame()) { 1072 mClipRect.offset( (mWin.mContainingFrame.left - mWin.mFrame.left), 1073 mWin.mContainingFrame.top - mWin.mFrame.top ); 1074 } 1075 } 1076 } 1077 if (screenAnimation) { 1078 mShownAlpha *= screenRotationAnimation.getEnterTransformation().getAlpha(); 1079 } 1080 } else { 1081 //Slog.i(TAG_WM, "Not applying alpha transform"); 1082 } 1083 1084 if ((DEBUG_SURFACE_TRACE || WindowManagerService.localLOGV) 1085 && (mShownAlpha == 1.0 || mShownAlpha == 0.0)) Slog.v( 1086 TAG, "computeShownFrameLocked: Animating " + this + " mAlpha=" + mAlpha 1087 + " self=" + (selfTransformation ? mTransformation.getAlpha() : "null") 1088 + " attached=" + (attachedTransformation == null ? 1089 "null" : attachedTransformation.getAlpha()) 1090 + " app=" + (appTransformation == null ? "null" : appTransformation.getAlpha()) 1091 + " screen=" + (screenAnimation ? 1092 screenRotationAnimation.getEnterTransformation().getAlpha() : "null")); 1093 return; 1094 } else if (mIsWallpaper && mService.mWindowPlacerLocked.mWallpaperActionPending) { 1095 return; 1096 } else if (mWin.isDragResizeChanged()) { 1097 // This window is awaiting a relayout because user just started (or ended) 1098 // drag-resizing. The shown frame (which affects surface size and pos) 1099 // should not be updated until we get next finished draw with the new surface. 1100 // Otherwise one or two frames rendered with old settings would be displayed 1101 // with new geometry. 1102 return; 1103 } 1104 1105 if (WindowManagerService.localLOGV) Slog.v( 1106 TAG, "computeShownFrameLocked: " + this + 1107 " not attached, mAlpha=" + mAlpha); 1108 1109 MagnificationSpec spec = null; 1110 //TODO (multidisplay): Magnification is supported only for the default display. 1111 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 1112 spec = mService.mAccessibilityController.getMagnificationSpecForWindowLocked(mWin); 1113 } 1114 if (spec != null) { 1115 final Rect frame = mWin.mFrame; 1116 final float tmpFloats[] = mService.mTmpFloats; 1117 final Matrix tmpMatrix = mWin.mTmpMatrix; 1118 1119 tmpMatrix.setScale(mWin.mGlobalScale, mWin.mGlobalScale); 1120 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 1121 1122 if (spec != null && !spec.isNop()) { 1123 tmpMatrix.postScale(spec.scale, spec.scale); 1124 tmpMatrix.postTranslate(spec.offsetX, spec.offsetY); 1125 } 1126 1127 tmpMatrix.getValues(tmpFloats); 1128 1129 mHaveMatrix = true; 1130 mDsDx = tmpFloats[Matrix.MSCALE_X]; 1131 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 1132 mDsDy = tmpFloats[Matrix.MSKEW_X]; 1133 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 1134 float x = tmpFloats[Matrix.MTRANS_X]; 1135 float y = tmpFloats[Matrix.MTRANS_Y]; 1136 mWin.mShownPosition.set((int) x, (int) y); 1137 1138 mShownAlpha = mAlpha; 1139 } else { 1140 mWin.mShownPosition.set(mWin.mFrame.left, mWin.mFrame.top); 1141 if (mWin.mXOffset != 0 || mWin.mYOffset != 0) { 1142 mWin.mShownPosition.offset(mWin.mXOffset, mWin.mYOffset); 1143 } 1144 mShownAlpha = mAlpha; 1145 mHaveMatrix = false; 1146 mDsDx = mWin.mGlobalScale; 1147 mDtDx = 0; 1148 mDsDy = 0; 1149 mDtDy = mWin.mGlobalScale; 1150 } 1151 } 1152 1153 private void calculateSystemDecorRect() { 1154 final WindowState w = mWin; 1155 final Rect decorRect = w.mDecorFrame; 1156 final int width = w.mFrame.width(); 1157 final int height = w.mFrame.height(); 1158 1159 // Compute the offset of the window in relation to the decor rect. 1160 final int left = w.mXOffset + w.mFrame.left; 1161 final int top = w.mYOffset + w.mFrame.top; 1162 1163 // Initialize the decor rect to the entire frame. 1164 if (w.isDockedResizing() || 1165 (w.isChildWindow() && w.mAttachedWindow.isDockedResizing())) { 1166 1167 // If we are resizing with the divider, the task bounds might be smaller than the 1168 // stack bounds. The system decor is used to clip to the task bounds, which we don't 1169 // want in this case in order to avoid holes. 1170 // 1171 // We take care to not shrink the width, for surfaces which are larger than 1172 // the display region. Of course this area will not eventually be visible 1173 // but if we truncate the width now, we will calculate incorrectly 1174 // when adjusting to the stack bounds. 1175 final DisplayInfo displayInfo = w.getDisplayContent().getDisplayInfo(); 1176 mSystemDecorRect.set(0, 0, 1177 Math.max(width, displayInfo.logicalWidth), 1178 Math.max(height, displayInfo.logicalHeight)); 1179 } else { 1180 mSystemDecorRect.set(0, 0, width, height); 1181 } 1182 1183 // If a freeform window is animating from a position where it would be cutoff, it would be 1184 // cutoff during the animation. We don't want that, so for the duration of the animation 1185 // we ignore the decor cropping and depend on layering to position windows correctly. 1186 final boolean cropToDecor = !(w.inFreeformWorkspace() && w.isAnimatingLw()); 1187 if (cropToDecor) { 1188 // Intersect with the decor rect, offsetted by window position. 1189 mSystemDecorRect.intersect(decorRect.left - left, decorRect.top - top, 1190 decorRect.right - left, decorRect.bottom - top); 1191 } 1192 1193 // If size compatibility is being applied to the window, the 1194 // surface is scaled relative to the screen. Also apply this 1195 // scaling to the crop rect. We aren't using the standard rect 1196 // scale function because we want to round things to make the crop 1197 // always round to a larger rect to ensure we don't crop too 1198 // much and hide part of the window that should be seen. 1199 if (w.mEnforceSizeCompat && w.mInvGlobalScale != 1.0f) { 1200 final float scale = w.mInvGlobalScale; 1201 mSystemDecorRect.left = (int) (mSystemDecorRect.left * scale - 0.5f); 1202 mSystemDecorRect.top = (int) (mSystemDecorRect.top * scale - 0.5f); 1203 mSystemDecorRect.right = (int) ((mSystemDecorRect.right + 1) * scale - 0.5f); 1204 mSystemDecorRect.bottom = (int) ((mSystemDecorRect.bottom + 1) * scale - 0.5f); 1205 } 1206 } 1207 1208 void calculateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect) { 1209 final WindowState w = mWin; 1210 final DisplayContent displayContent = w.getDisplayContent(); 1211 if (displayContent == null) { 1212 clipRect.setEmpty(); 1213 finalClipRect.setEmpty(); 1214 return; 1215 } 1216 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 1217 if (DEBUG_WINDOW_CROP) Slog.d(TAG, 1218 "Updating crop win=" + w + " mLastCrop=" + mLastClipRect); 1219 1220 // Need to recompute a new system decor rect each time. 1221 if (!w.isDefaultDisplay()) { 1222 // On a different display there is no system decor. Crop the window 1223 // by the screen boundaries. 1224 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1225 mSystemDecorRect.intersect(-w.mCompatFrame.left, -w.mCompatFrame.top, 1226 displayInfo.logicalWidth - w.mCompatFrame.left, 1227 displayInfo.logicalHeight - w.mCompatFrame.top); 1228 } else if (w.mLayer >= mService.mSystemDecorLayer) { 1229 // Above the decor layer is easy, just use the entire window. 1230 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1231 } else if (w.mDecorFrame.isEmpty()) { 1232 // Windows without policy decor aren't cropped. 1233 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1234 } else if (w.mAttrs.type == LayoutParams.TYPE_WALLPAPER && mAnimator.isAnimating()) { 1235 // If we're animating, the wallpaper crop should only be updated at the end of the 1236 // animation. 1237 mTmpClipRect.set(mSystemDecorRect); 1238 calculateSystemDecorRect(); 1239 mSystemDecorRect.union(mTmpClipRect); 1240 } else { 1241 // Crop to the system decor specified by policy. 1242 calculateSystemDecorRect(); 1243 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "Applying decor to crop win=" + w + " mDecorFrame=" 1244 + w.mDecorFrame + " mSystemDecorRect=" + mSystemDecorRect); 1245 } 1246 1247 final boolean fullscreen = w.isFrameFullscreen(displayInfo); 1248 final boolean isFreeformResizing = 1249 w.isDragResizing() && w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM; 1250 1251 // We use the clip rect as provided by the tranformation for non-fullscreen windows to 1252 // avoid premature clipping with the system decor rect. 1253 clipRect.set((mHasClipRect && !fullscreen) ? mClipRect : mSystemDecorRect); 1254 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "win=" + w + " Initial clip rect: " + clipRect 1255 + " mHasClipRect=" + mHasClipRect + " fullscreen=" + fullscreen); 1256 1257 if (isFreeformResizing && !w.isChildWindow()) { 1258 // For freeform resizing non child windows, we are using the big surface positioned 1259 // at 0,0. Thus we must express the crop in that coordinate space. 1260 clipRect.offset(w.mShownPosition.x, w.mShownPosition.y); 1261 } 1262 1263 // Expand the clip rect for surface insets. 1264 final WindowManager.LayoutParams attrs = w.mAttrs; 1265 clipRect.left -= attrs.surfaceInsets.left; 1266 clipRect.top -= attrs.surfaceInsets.top; 1267 clipRect.right += attrs.surfaceInsets.right; 1268 clipRect.bottom += attrs.surfaceInsets.bottom; 1269 1270 if (mHasClipRect && fullscreen) { 1271 // We intersect the clip rect specified by the transformation with the expanded system 1272 // decor rect to prevent artifacts from drawing during animation if the transformation 1273 // clip rect extends outside the system decor rect. 1274 clipRect.intersect(mClipRect); 1275 } 1276 // The clip rect was generated assuming (0,0) as the window origin, 1277 // so we need to translate to match the actual surface coordinates. 1278 clipRect.offset(attrs.surfaceInsets.left, attrs.surfaceInsets.top); 1279 1280 finalClipRect.setEmpty(); 1281 adjustCropToStackBounds(w, clipRect, finalClipRect, isFreeformResizing); 1282 if (DEBUG_WINDOW_CROP) Slog.d(TAG, 1283 "win=" + w + " Clip rect after stack adjustment=" + clipRect); 1284 1285 w.transformFromScreenToSurfaceSpace(clipRect); 1286 1287 // See {@link WindowState#notifyMovedInStack} for why this is necessary. 1288 if (w.hasJustMovedInStack() && mLastClipRect.isEmpty() && !clipRect.isEmpty()) { 1289 clipRect.setEmpty(); 1290 } 1291 } 1292 1293 void updateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect, boolean recoveringMemory) { 1294 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "updateSurfaceWindowCrop: win=" + mWin 1295 + " clipRect=" + clipRect + " finalClipRect=" + finalClipRect); 1296 if (!clipRect.equals(mLastClipRect)) { 1297 mLastClipRect.set(clipRect); 1298 mSurfaceController.setCropInTransaction(clipRect, recoveringMemory); 1299 } 1300 if (!finalClipRect.equals(mLastFinalClipRect)) { 1301 mLastFinalClipRect.set(finalClipRect); 1302 mSurfaceController.setFinalCropInTransaction(finalClipRect); 1303 if (mDestroyPreservedSurfaceUponRedraw && mPendingDestroySurface != null) { 1304 mPendingDestroySurface.setFinalCropInTransaction(finalClipRect); 1305 } 1306 } 1307 } 1308 1309 private int resolveStackClip() { 1310 1311 // App animation overrides window animation stack clip mode. 1312 if (mAppAnimator != null && mAppAnimator.animation != null) { 1313 return mAppAnimator.getStackClip(); 1314 } else { 1315 return mStackClip; 1316 } 1317 } 1318 private void adjustCropToStackBounds(WindowState w, Rect clipRect, Rect finalClipRect, 1319 boolean isFreeformResizing) { 1320 1321 final DisplayContent displayContent = w.getDisplayContent(); 1322 if (displayContent != null && !displayContent.isDefaultDisplay) { 1323 // There are some windows that live on other displays while their app and main window 1324 // live on the default display (e.g. casting...). We don't want to crop this windows 1325 // to the stack bounds which is only currently supported on the default display. 1326 // TODO(multi-display): Need to support cropping to stack bounds on other displays 1327 // when we have stacks on other displays. 1328 return; 1329 } 1330 1331 // We crop wallpaper windows to the stack bounds of their current target to avoid them 1332 // showing behind transparent windows in other stacks in split-screen mode. 1333 if (w.getBaseType() == TYPE_WALLPAPER) { 1334 final WindowState wallpaperTarget = mWallpaperControllerLocked.getWallpaperTarget(); 1335 if (wallpaperTarget != null) { 1336 final Task task = wallpaperTarget.getTask(); 1337 if (task != null && !task.isFullscreen()) { 1338 final TaskStack stack = task.mStack; 1339 if (stack != null && !stack.isFullscreen()) { 1340 stack.getDimBounds(mTmpStackBounds); 1341 finalClipRect.set(mTmpStackBounds); 1342 } 1343 } 1344 } 1345 return; 1346 } 1347 1348 final Task task = w.getTask(); 1349 if (task == null || !task.cropWindowsToStackBounds()) { 1350 return; 1351 } 1352 1353 final int stackClip = resolveStackClip(); 1354 1355 // It's animating and we don't want to clip it to stack bounds during animation - abort. 1356 if (isAnimationSet() && stackClip == STACK_CLIP_NONE) { 1357 return; 1358 } 1359 1360 final WindowState winShowWhenLocked = (WindowState) mPolicy.getWinShowWhenLockedLw(); 1361 if (w == winShowWhenLocked && mPolicy.isKeyguardShowingOrOccluded()) { 1362 return; 1363 } 1364 1365 final TaskStack stack = task.mStack; 1366 stack.getDimBounds(mTmpStackBounds); 1367 final Rect surfaceInsets = w.getAttrs().surfaceInsets; 1368 // When we resize we use the big surface approach, which means we can't trust the 1369 // window frame bounds anymore. Instead, the window will be placed at 0, 0, but to avoid 1370 // hardcoding it, we use surface coordinates. 1371 final int frameX = isFreeformResizing ? (int) mSurfaceController.getX() : 1372 w.mFrame.left + mWin.mXOffset - surfaceInsets.left; 1373 final int frameY = isFreeformResizing ? (int) mSurfaceController.getY() : 1374 w.mFrame.top + mWin.mYOffset - surfaceInsets.top; 1375 1376 // If we are animating, we either apply the clip before applying all the animation 1377 // transformation or after all the transformation. 1378 final boolean useFinalClipRect = isAnimationSet() && stackClip == STACK_CLIP_AFTER_ANIM 1379 || mDestroyPreservedSurfaceUponRedraw; 1380 1381 // We need to do some acrobatics with surface position, because their clip region is 1382 // relative to the inside of the surface, but the stack bounds aren't. 1383 if (useFinalClipRect) { 1384 finalClipRect.set(mTmpStackBounds); 1385 } else { 1386 if (StackId.hasWindowShadow(stack.mStackId) 1387 && !StackId.isTaskResizeAllowed(stack.mStackId)) { 1388 // The windows in this stack display drop shadows and the fill the entire stack 1389 // area. Adjust the stack bounds we will use to cropping take into account the 1390 // offsets we use to display the drop shadow so it doesn't get cropped. 1391 mTmpStackBounds.inset(-surfaceInsets.left, -surfaceInsets.top, 1392 -surfaceInsets.right, -surfaceInsets.bottom); 1393 } 1394 1395 clipRect.left = Math.max(0, 1396 Math.max(mTmpStackBounds.left, frameX + clipRect.left) - frameX); 1397 clipRect.top = Math.max(0, 1398 Math.max(mTmpStackBounds.top, frameY + clipRect.top) - frameY); 1399 clipRect.right = Math.max(0, 1400 Math.min(mTmpStackBounds.right, frameX + clipRect.right) - frameX); 1401 clipRect.bottom = Math.max(0, 1402 Math.min(mTmpStackBounds.bottom, frameY + clipRect.bottom) - frameY); 1403 } 1404 } 1405 1406 void setSurfaceBoundariesLocked(final boolean recoveringMemory) { 1407 final WindowState w = mWin; 1408 final Task task = w.getTask(); 1409 1410 // We got resized, so block all updates until we got the new surface. 1411 if (w.mResizedWhileNotDragResizing && !w.isGoneForLayoutLw()) { 1412 return; 1413 } 1414 1415 mTmpSize.set(w.mShownPosition.x, w.mShownPosition.y, 0, 0); 1416 calculateSurfaceBounds(w, w.getAttrs()); 1417 1418 float extraHScale = (float) 1.0; 1419 float extraVScale = (float) 1.0; 1420 1421 mSurfaceResized = mSurfaceController.setSizeInTransaction( 1422 mTmpSize.width(), mTmpSize.height(), recoveringMemory); 1423 mForceScaleUntilResize = mForceScaleUntilResize && !mSurfaceResized; 1424 1425 1426 calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect); 1427 if ((task != null && task.mStack.getForceScaleToCrop()) || mForceScaleUntilResize) { 1428 int hInsets = w.getAttrs().surfaceInsets.left + w.getAttrs().surfaceInsets.right; 1429 int vInsets = w.getAttrs().surfaceInsets.top + w.getAttrs().surfaceInsets.bottom; 1430 // We want to calculate the scaling based on the content area, not based on 1431 // the entire surface, so that we scale in sync with windows that don't have insets. 1432 extraHScale = (mTmpClipRect.width() - hInsets) / (float)(mTmpSize.width() - hInsets); 1433 extraVScale = (mTmpClipRect.height() - vInsets) / (float)(mTmpSize.height() - vInsets); 1434 1435 // In the case of ForceScaleToCrop we scale entire tasks together, 1436 // and so we need to scale our offsets relative to the task bounds 1437 // or parent and child windows would fall out of alignment. 1438 int posX = (int) (mTmpSize.left - w.mAttrs.x * (1 - extraHScale)); 1439 int posY = (int) (mTmpSize.top - w.mAttrs.y * (1 - extraVScale)); 1440 // Imagine we are scaling down. As we scale the buffer down, we decrease the 1441 // distance between the surface top left, and the start of the surface contents 1442 // (previously it was surfaceInsets.left pixels in screen space but now it 1443 // will be surfaceInsets.left*extraHScale). This means in order to keep the 1444 // non inset content at the same position, we have to shift the whole window 1445 // forward. Likewise for scaling up, we've increased this distance, and we need 1446 // to shift by a negative number to compensate. 1447 posX += w.getAttrs().surfaceInsets.left * (1 - extraHScale); 1448 posY += w.getAttrs().surfaceInsets.top * (1 - extraVScale); 1449 1450 mSurfaceController.setPositionInTransaction(posX, posY, recoveringMemory); 1451 1452 // Since we are scaled to fit in our previously desired crop, we can now 1453 // expose the whole window in buffer space, and not risk extending 1454 // past where the system would have cropped us 1455 mTmpClipRect.set(0, 0, mTmpSize.width(), mTmpSize.height()); 1456 mTmpFinalClipRect.setEmpty(); 1457 1458 // Various surfaces in the scaled stack may resize at different times. 1459 // We need to ensure for each surface, that we disable transformation matrix 1460 // scaling in the same transaction which we resize the surface in. 1461 // As we are in SCALING_MODE_SCALE_TO_WINDOW, SurfaceFlinger will 1462 // then take over the scaling until the new buffer arrives, and things 1463 // will be seamless. 1464 mForceScaleUntilResize = true; 1465 } else { 1466 mSurfaceController.setPositionInTransaction(mTmpSize.left, mTmpSize.top, 1467 recoveringMemory); 1468 } 1469 1470 updateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect, recoveringMemory); 1471 1472 mSurfaceController.setMatrixInTransaction(mDsDx * w.mHScale * extraHScale, 1473 mDtDx * w.mVScale * extraVScale, 1474 mDsDy * w.mHScale * extraHScale, 1475 mDtDy * w.mVScale * extraVScale, recoveringMemory); 1476 1477 if (mSurfaceResized) { 1478 mReportSurfaceResized = true; 1479 mAnimator.setPendingLayoutChanges(w.getDisplayId(), 1480 WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER); 1481 w.applyDimLayerIfNeeded(); 1482 } 1483 1484 } 1485 1486 void prepareSurfaceLocked(final boolean recoveringMemory) { 1487 final WindowState w = mWin; 1488 if (!hasSurface()) { 1489 if (w.mOrientationChanging) { 1490 if (DEBUG_ORIENTATION) { 1491 Slog.v(TAG, "Orientation change skips hidden " + w); 1492 } 1493 w.mOrientationChanging = false; 1494 } 1495 return; 1496 } 1497 1498 // Do not change surface properties of opening apps if we are waiting for the 1499 // transition to be ready. transitionGoodToGo could be not ready even after all 1500 // opening apps are drawn. It's only waiting on isFetchingAppTransitionsSpecs() 1501 // to get the animation spec. (For example, go into Recents and immediately open 1502 // the same app again before the app's surface is destroyed or saved, the surface 1503 // is always ready in the whole process.) If we go ahead here, the opening app 1504 // will be shown with the full size before the correct animation spec arrives. 1505 if (isWaitingForOpening()) { 1506 return; 1507 } 1508 1509 boolean displayed = false; 1510 1511 computeShownFrameLocked(); 1512 1513 setSurfaceBoundariesLocked(recoveringMemory); 1514 1515 if (mIsWallpaper && !mWin.mWallpaperVisible) { 1516 // Wallpaper is no longer visible and there is no wp target => hide it. 1517 hide("prepareSurfaceLocked"); 1518 } else if (w.mAttachedHidden || !w.isOnScreen()) { 1519 hide("prepareSurfaceLocked"); 1520 mWallpaperControllerLocked.hideWallpapers(w); 1521 1522 // If we are waiting for this window to handle an 1523 // orientation change, well, it is hidden, so 1524 // doesn't really matter. Note that this does 1525 // introduce a potential glitch if the window 1526 // becomes unhidden before it has drawn for the 1527 // new orientation. 1528 if (w.mOrientationChanging) { 1529 w.mOrientationChanging = false; 1530 if (DEBUG_ORIENTATION) Slog.v(TAG, 1531 "Orientation change skips hidden " + w); 1532 } 1533 } else if (mLastLayer != mAnimLayer 1534 || mLastAlpha != mShownAlpha 1535 || mLastDsDx != mDsDx 1536 || mLastDtDx != mDtDx 1537 || mLastDsDy != mDsDy 1538 || mLastDtDy != mDtDy 1539 || w.mLastHScale != w.mHScale 1540 || w.mLastVScale != w.mVScale 1541 || mLastHidden) { 1542 displayed = true; 1543 mLastAlpha = mShownAlpha; 1544 mLastLayer = mAnimLayer; 1545 mLastDsDx = mDsDx; 1546 mLastDtDx = mDtDx; 1547 mLastDsDy = mDsDy; 1548 mLastDtDy = mDtDy; 1549 w.mLastHScale = w.mHScale; 1550 w.mLastVScale = w.mVScale; 1551 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(w, 1552 "controller=" + mSurfaceController + 1553 "alpha=" + mShownAlpha + " layer=" + mAnimLayer 1554 + " matrix=[" + mDsDx + "*" + w.mHScale 1555 + "," + mDtDx + "*" + w.mVScale 1556 + "][" + mDsDy + "*" + w.mHScale 1557 + "," + mDtDy + "*" + w.mVScale + "]", false); 1558 1559 boolean prepared = 1560 mSurfaceController.prepareToShowInTransaction(mShownAlpha, mAnimLayer, 1561 mDsDx * w.mHScale, mDtDx * w.mVScale, 1562 mDsDy * w.mHScale, mDtDy * w.mVScale, 1563 recoveringMemory); 1564 1565 if (prepared && mLastHidden && mDrawState == HAS_DRAWN) { 1566 if (showSurfaceRobustlyLocked()) { 1567 markPreservedSurfaceForDestroy(); 1568 mAnimator.requestRemovalOfReplacedWindows(w); 1569 mLastHidden = false; 1570 if (mIsWallpaper) { 1571 mWallpaperControllerLocked.dispatchWallpaperVisibility(w, true); 1572 } 1573 // This draw means the difference between unique content and mirroring. 1574 // Run another pass through performLayout to set mHasContent in the 1575 // LogicalDisplay. 1576 mAnimator.setPendingLayoutChanges(w.getDisplayId(), 1577 WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 1578 } else { 1579 w.mOrientationChanging = false; 1580 } 1581 } 1582 if (hasSurface()) { 1583 w.mToken.hasVisible = true; 1584 } 1585 } else { 1586 if (DEBUG_ANIM && isAnimationSet()) { 1587 Slog.v(TAG, "prepareSurface: No changes in animation for " + this); 1588 } 1589 displayed = true; 1590 } 1591 1592 if (displayed) { 1593 if (w.mOrientationChanging) { 1594 if (!w.isDrawnLw()) { 1595 mAnimator.mBulkUpdateParams &= ~SET_ORIENTATION_CHANGE_COMPLETE; 1596 mAnimator.mLastWindowFreezeSource = w; 1597 if (DEBUG_ORIENTATION) Slog.v(TAG, 1598 "Orientation continue waiting for draw in " + w); 1599 } else { 1600 w.mOrientationChanging = false; 1601 if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change complete in " + w); 1602 } 1603 } 1604 w.mToken.hasVisible = true; 1605 } 1606 } 1607 1608 void setTransparentRegionHintLocked(final Region region) { 1609 if (mSurfaceController == null) { 1610 Slog.w(TAG, "setTransparentRegionHint: null mSurface after mHasSurface true"); 1611 return; 1612 } 1613 mSurfaceController.setTransparentRegionHint(region); 1614 } 1615 1616 void setWallpaperOffset(Point shownPosition) { 1617 final LayoutParams attrs = mWin.getAttrs(); 1618 final int left = shownPosition.x - attrs.surfaceInsets.left; 1619 final int top = shownPosition.y - attrs.surfaceInsets.top; 1620 1621 try { 1622 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION setWallpaperOffset"); 1623 SurfaceControl.openTransaction(); 1624 mSurfaceController.setPositionInTransaction(mWin.mFrame.left + left, 1625 mWin.mFrame.top + top, false); 1626 calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect); 1627 updateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect, false); 1628 } catch (RuntimeException e) { 1629 Slog.w(TAG, "Error positioning surface of " + mWin 1630 + " pos=(" + left + "," + top + ")", e); 1631 } finally { 1632 SurfaceControl.closeTransaction(); 1633 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, 1634 "<<< CLOSE TRANSACTION setWallpaperOffset"); 1635 } 1636 } 1637 1638 /** 1639 * Try to change the pixel format without recreating the surface. This 1640 * will be common in the case of changing from PixelFormat.OPAQUE to 1641 * PixelFormat.TRANSLUCENT in the hardware-accelerated case as both 1642 * requested formats resolve to the same underlying SurfaceControl format 1643 * @return True if format was succesfully changed, false otherwise 1644 */ 1645 boolean tryChangeFormatInPlaceLocked() { 1646 if (mSurfaceController == null) { 1647 return false; 1648 } 1649 final LayoutParams attrs = mWin.getAttrs(); 1650 final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0; 1651 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format; 1652 if (format == mSurfaceFormat) { 1653 setOpaqueLocked(!PixelFormat.formatHasAlpha(attrs.format)); 1654 return true; 1655 } 1656 return false; 1657 } 1658 1659 void setOpaqueLocked(boolean isOpaque) { 1660 if (mSurfaceController == null) { 1661 return; 1662 } 1663 mSurfaceController.setOpaque(isOpaque); 1664 } 1665 1666 void setSecureLocked(boolean isSecure) { 1667 if (mSurfaceController == null) { 1668 return; 1669 } 1670 mSurfaceController.setSecure(isSecure); 1671 } 1672 1673 // This must be called while inside a transaction. 1674 boolean performShowLocked() { 1675 if (mWin.isHiddenFromUserLocked()) { 1676 if (DEBUG_VISIBILITY) Slog.w(TAG, "hiding " + mWin + ", belonging to " + mWin.mOwnerUid); 1677 mWin.hideLw(false); 1678 return false; 1679 } 1680 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1681 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1682 Slog.v(TAG, "performShow on " + this 1683 + ": mDrawState=" + drawStateToString() + " readyForDisplay=" 1684 + mWin.isReadyForDisplayIgnoringKeyguard() 1685 + " starting=" + (mWin.mAttrs.type == TYPE_APPLICATION_STARTING) 1686 + " during animation: policyVis=" + mWin.mPolicyVisibility 1687 + " attHidden=" + mWin.mAttachedHidden 1688 + " tok.hiddenRequested=" 1689 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1690 + " tok.hidden=" 1691 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1692 + " animating=" + mAnimating 1693 + " tok animating=" 1694 + (mAppAnimator != null ? mAppAnimator.animating : false) + " Callers=" 1695 + Debug.getCallers(3)); 1696 } 1697 if (mDrawState == READY_TO_SHOW && mWin.isReadyForDisplayIgnoringKeyguard()) { 1698 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1699 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1700 Slog.v(TAG, "Showing " + this 1701 + " during animation: policyVis=" + mWin.mPolicyVisibility 1702 + " attHidden=" + mWin.mAttachedHidden 1703 + " tok.hiddenRequested=" 1704 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1705 + " tok.hidden=" 1706 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1707 + " animating=" + mAnimating 1708 + " tok animating=" 1709 + (mAppAnimator != null ? mAppAnimator.animating : false)); 1710 } 1711 1712 mService.enableScreenIfNeededLocked(); 1713 1714 applyEnterAnimationLocked(); 1715 1716 // Force the show in the next prepareSurfaceLocked() call. 1717 mLastAlpha = -1; 1718 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) 1719 Slog.v(TAG, "performShowLocked: mDrawState=HAS_DRAWN in " + mWin); 1720 mDrawState = HAS_DRAWN; 1721 mService.scheduleAnimationLocked(); 1722 1723 int i = mWin.mChildWindows.size(); 1724 while (i > 0) { 1725 i--; 1726 WindowState c = mWin.mChildWindows.get(i); 1727 if (c.mAttachedHidden) { 1728 c.mAttachedHidden = false; 1729 if (c.mWinAnimator.mSurfaceController != null) { 1730 c.mWinAnimator.performShowLocked(); 1731 // It hadn't been shown, which means layout not 1732 // performed on it, so now we want to make sure to 1733 // do a layout. If called from within the transaction 1734 // loop, this will cause it to restart with a new 1735 // layout. 1736 final DisplayContent displayContent = c.getDisplayContent(); 1737 if (displayContent != null) { 1738 displayContent.layoutNeeded = true; 1739 } 1740 } 1741 } 1742 } 1743 1744 if (mWin.mAttrs.type != TYPE_APPLICATION_STARTING && mWin.mAppToken != null) { 1745 mWin.mAppToken.onFirstWindowDrawn(mWin, this); 1746 } 1747 1748 return true; 1749 } 1750 return false; 1751 } 1752 1753 /** 1754 * Have the surface flinger show a surface, robustly dealing with 1755 * error conditions. In particular, if there is not enough memory 1756 * to show the surface, then we will try to get rid of other surfaces 1757 * in order to succeed. 1758 * 1759 * @return Returns true if the surface was successfully shown. 1760 */ 1761 private boolean showSurfaceRobustlyLocked() { 1762 final Task task = mWin.getTask(); 1763 if (task != null && StackId.windowsAreScaleable(task.mStack.mStackId)) { 1764 mSurfaceController.forceScaleableInTransaction(true); 1765 } 1766 1767 boolean shown = mSurfaceController.showRobustlyInTransaction(); 1768 if (!shown) 1769 return false; 1770 1771 if (mWin.mTurnOnScreen) { 1772 if (DEBUG_VISIBILITY) Slog.v(TAG, "Show surface turning screen on: " + mWin); 1773 mWin.mTurnOnScreen = false; 1774 mAnimator.mBulkUpdateParams |= SET_TURN_ON_SCREEN; 1775 } 1776 return true; 1777 } 1778 1779 void applyEnterAnimationLocked() { 1780 // If we are the new part of a window replacement transition and we have requested 1781 // not to animate, we instead want to make it seamless, so we don't want to apply 1782 // an enter transition. 1783 if (mWin.mSkipEnterAnimationForSeamlessReplacement) { 1784 return; 1785 } 1786 final int transit; 1787 if (mEnterAnimationPending) { 1788 mEnterAnimationPending = false; 1789 transit = WindowManagerPolicy.TRANSIT_ENTER; 1790 } else { 1791 transit = WindowManagerPolicy.TRANSIT_SHOW; 1792 } 1793 applyAnimationLocked(transit, true); 1794 //TODO (multidisplay): Magnification is supported only for the default display. 1795 if (mService.mAccessibilityController != null 1796 && mWin.getDisplayId() == DEFAULT_DISPLAY) { 1797 mService.mAccessibilityController.onWindowTransitionLocked(mWin, transit); 1798 } 1799 } 1800 1801 /** 1802 * Choose the correct animation and set it to the passed WindowState. 1803 * @param transit If AppTransition.TRANSIT_PREVIEW_DONE and the app window has been drawn 1804 * then the animation will be app_starting_exit. Any other value loads the animation from 1805 * the switch statement below. 1806 * @param isEntrance The animation type the last time this was called. Used to keep from 1807 * loading the same animation twice. 1808 * @return true if an animation has been loaded. 1809 */ 1810 boolean applyAnimationLocked(int transit, boolean isEntrance) { 1811 if ((mLocalAnimating && mAnimationIsEntrance == isEntrance) 1812 || mKeyguardGoingAwayAnimation) { 1813 // If we are trying to apply an animation, but already running 1814 // an animation of the same type, then just leave that one alone. 1815 1816 // If we are in a keyguard exit animation, and the window should animate away, modify 1817 // keyguard exit animation such that it also fades out. 1818 if (mAnimation != null && mKeyguardGoingAwayAnimation 1819 && transit == WindowManagerPolicy.TRANSIT_PREVIEW_DONE) { 1820 applyFadeoutDuringKeyguardExitAnimation(); 1821 } 1822 return true; 1823 } 1824 1825 // Only apply an animation if the display isn't frozen. If it is 1826 // frozen, there is no reason to animate and it can cause strange 1827 // artifacts when we unfreeze the display if some different animation 1828 // is running. 1829 if (mService.okToDisplay()) { 1830 int anim = mPolicy.selectAnimationLw(mWin, transit); 1831 int attr = -1; 1832 Animation a = null; 1833 if (anim != 0) { 1834 a = anim != -1 ? AnimationUtils.loadAnimation(mContext, anim) : null; 1835 } else { 1836 switch (transit) { 1837 case WindowManagerPolicy.TRANSIT_ENTER: 1838 attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation; 1839 break; 1840 case WindowManagerPolicy.TRANSIT_EXIT: 1841 attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation; 1842 break; 1843 case WindowManagerPolicy.TRANSIT_SHOW: 1844 attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation; 1845 break; 1846 case WindowManagerPolicy.TRANSIT_HIDE: 1847 attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation; 1848 break; 1849 } 1850 if (attr >= 0) { 1851 a = mService.mAppTransition.loadAnimationAttr(mWin.mAttrs, attr); 1852 } 1853 } 1854 if (DEBUG_ANIM) Slog.v(TAG, 1855 "applyAnimation: win=" + this 1856 + " anim=" + anim + " attr=0x" + Integer.toHexString(attr) 1857 + " a=" + a 1858 + " transit=" + transit 1859 + " isEntrance=" + isEntrance + " Callers " + Debug.getCallers(3)); 1860 if (a != null) { 1861 if (DEBUG_ANIM) logWithStack(TAG, "Loaded animation " + a + " for " + this); 1862 setAnimation(a); 1863 mAnimationIsEntrance = isEntrance; 1864 } 1865 } else { 1866 clearAnimation(); 1867 } 1868 if (mWin.mAttrs.type == TYPE_INPUT_METHOD) { 1869 mService.adjustForImeIfNeeded(mWin.mDisplayContent); 1870 if (isEntrance) { 1871 mWin.setDisplayLayoutNeeded(); 1872 mService.mWindowPlacerLocked.requestTraversal(); 1873 } 1874 } 1875 return mAnimation != null; 1876 } 1877 1878 private void applyFadeoutDuringKeyguardExitAnimation() { 1879 long startTime = mAnimation.getStartTime(); 1880 long duration = mAnimation.getDuration(); 1881 long elapsed = mLastAnimationTime - startTime; 1882 long fadeDuration = duration - elapsed; 1883 if (fadeDuration <= 0) { 1884 // Never mind, this would be no visible animation, so abort the animation change. 1885 return; 1886 } 1887 AnimationSet newAnimation = new AnimationSet(false /* shareInterpolator */); 1888 newAnimation.setDuration(duration); 1889 newAnimation.setStartTime(startTime); 1890 newAnimation.addAnimation(mAnimation); 1891 Animation fadeOut = AnimationUtils.loadAnimation( 1892 mContext, com.android.internal.R.anim.app_starting_exit); 1893 fadeOut.setDuration(fadeDuration); 1894 fadeOut.setStartOffset(elapsed); 1895 newAnimation.addAnimation(fadeOut); 1896 newAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), mAnimDx, mAnimDy); 1897 mAnimation = newAnimation; 1898 } 1899 1900 public void dump(PrintWriter pw, String prefix, boolean dumpAll) { 1901 if (mAnimating || mLocalAnimating || mAnimationIsEntrance 1902 || mAnimation != null) { 1903 pw.print(prefix); pw.print("mAnimating="); pw.print(mAnimating); 1904 pw.print(" mLocalAnimating="); pw.print(mLocalAnimating); 1905 pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance); 1906 pw.print(" mAnimation="); pw.print(mAnimation); 1907 pw.print(" mStackClip="); pw.println(mStackClip); 1908 } 1909 if (mHasTransformation || mHasLocalTransformation) { 1910 pw.print(prefix); pw.print("XForm: has="); 1911 pw.print(mHasTransformation); 1912 pw.print(" hasLocal="); pw.print(mHasLocalTransformation); 1913 pw.print(" "); mTransformation.printShortString(pw); 1914 pw.println(); 1915 } 1916 if (mSurfaceController != null) { 1917 mSurfaceController.dump(pw, prefix, dumpAll); 1918 } 1919 if (dumpAll) { 1920 pw.print(prefix); pw.print("mDrawState="); pw.print(drawStateToString()); 1921 pw.print(prefix); pw.print(" mLastHidden="); pw.println(mLastHidden); 1922 pw.print(prefix); pw.print("mSystemDecorRect="); mSystemDecorRect.printShortString(pw); 1923 pw.print(" last="); mLastSystemDecorRect.printShortString(pw); 1924 pw.print(" mHasClipRect="); pw.print(mHasClipRect); 1925 pw.print(" mLastClipRect="); mLastClipRect.printShortString(pw); 1926 1927 if (!mLastFinalClipRect.isEmpty()) { 1928 pw.print(" mLastFinalClipRect="); mLastFinalClipRect.printShortString(pw); 1929 } 1930 pw.println(); 1931 } 1932 1933 if (mPendingDestroySurface != null) { 1934 pw.print(prefix); pw.print("mPendingDestroySurface="); 1935 pw.println(mPendingDestroySurface); 1936 } 1937 if (mSurfaceResized || mSurfaceDestroyDeferred) { 1938 pw.print(prefix); pw.print("mSurfaceResized="); pw.print(mSurfaceResized); 1939 pw.print(" mSurfaceDestroyDeferred="); pw.println(mSurfaceDestroyDeferred); 1940 } 1941 if (mShownAlpha != 1 || mAlpha != 1 || mLastAlpha != 1) { 1942 pw.print(prefix); pw.print("mShownAlpha="); pw.print(mShownAlpha); 1943 pw.print(" mAlpha="); pw.print(mAlpha); 1944 pw.print(" mLastAlpha="); pw.println(mLastAlpha); 1945 } 1946 if (mHaveMatrix || mWin.mGlobalScale != 1) { 1947 pw.print(prefix); pw.print("mGlobalScale="); pw.print(mWin.mGlobalScale); 1948 pw.print(" mDsDx="); pw.print(mDsDx); 1949 pw.print(" mDtDx="); pw.print(mDtDx); 1950 pw.print(" mDsDy="); pw.print(mDsDy); 1951 pw.print(" mDtDy="); pw.println(mDtDy); 1952 } 1953 if (mAnimationStartDelayed) { 1954 pw.print(prefix); pw.print("mAnimationStartDelayed="); pw.print(mAnimationStartDelayed); 1955 } 1956 } 1957 1958 @Override 1959 public String toString() { 1960 StringBuffer sb = new StringBuffer("WindowStateAnimator{"); 1961 sb.append(Integer.toHexString(System.identityHashCode(this))); 1962 sb.append(' '); 1963 sb.append(mWin.mAttrs.getTitle()); 1964 sb.append('}'); 1965 return sb.toString(); 1966 } 1967 1968 void reclaimSomeSurfaceMemory(String operation, boolean secure) { 1969 mService.reclaimSomeSurfaceMemoryLocked(this, operation, secure); 1970 } 1971 1972 boolean getShown() { 1973 if (mSurfaceController != null) { 1974 return mSurfaceController.getShown(); 1975 } 1976 return false; 1977 } 1978 1979 void destroySurface() { 1980 try { 1981 if (mSurfaceController != null) { 1982 mSurfaceController.destroyInTransaction(); 1983 } 1984 } catch (RuntimeException e) { 1985 Slog.w(TAG, "Exception thrown when destroying surface " + this 1986 + " surface " + mSurfaceController + " session " + mSession + ": " + e); 1987 } finally { 1988 mWin.setHasSurface(false); 1989 mSurfaceController = null; 1990 mDrawState = NO_SURFACE; 1991 } 1992 } 1993 1994 void setMoveAnimation(int left, int top) { 1995 final Animation a = AnimationUtils.loadAnimation(mContext, 1996 com.android.internal.R.anim.window_move_from_decor); 1997 setAnimation(a); 1998 mAnimDx = mWin.mLastFrame.left - left; 1999 mAnimDy = mWin.mLastFrame.top - top; 2000 mAnimateMove = true; 2001 } 2002 2003 void deferTransactionUntilParentFrame(long frameNumber) { 2004 if (!mWin.isChildWindow()) { 2005 return; 2006 } 2007 mDeferTransactionUntilFrame = frameNumber; 2008 mDeferTransactionTime = System.currentTimeMillis(); 2009 mSurfaceController.deferTransactionUntil( 2010 mWin.mAttachedWindow.mWinAnimator.mSurfaceController.getHandle(), 2011 frameNumber); 2012 } 2013 2014 // Defer the current transaction to the frame number of the last saved transaction. 2015 // We do this to avoid shooting through an unsynchronized transaction while something is 2016 // pending. This is generally fine, as either we will get in on the synchronization, 2017 // or SurfaceFlinger will see that the frame has already occured. The only 2018 // potential problem is in frame number resets so we reset things with a timeout 2019 // every so often to be careful. 2020 void deferToPendingTransaction() { 2021 if (mDeferTransactionUntilFrame < 0) { 2022 return; 2023 } 2024 long time = System.currentTimeMillis(); 2025 if (time > mDeferTransactionTime + PENDING_TRANSACTION_FINISH_WAIT_TIME) { 2026 mDeferTransactionTime = -1; 2027 mDeferTransactionUntilFrame = -1; 2028 } else { 2029 mSurfaceController.deferTransactionUntil( 2030 mWin.mAttachedWindow.mWinAnimator.mSurfaceController.getHandle(), 2031 mDeferTransactionUntilFrame); 2032 } 2033 } 2034 2035 /** 2036 * Sometimes we need to synchronize the first frame of animation with some external event. 2037 * To achieve this, we prolong the start of the animation and keep producing the first frame of 2038 * the animation. 2039 */ 2040 private long getAnimationFrameTime(Animation animation, long currentTime) { 2041 if (mAnimationStartDelayed) { 2042 animation.setStartTime(currentTime); 2043 return currentTime + 1; 2044 } 2045 return currentTime; 2046 } 2047 2048 void startDelayingAnimationStart() { 2049 mAnimationStartDelayed = true; 2050 } 2051 2052 void endDelayingAnimationStart() { 2053 mAnimationStartDelayed = false; 2054 } 2055} 2056