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.RectF; 55import android.graphics.Region; 56import android.os.Debug; 57import android.os.RemoteException; 58import android.os.Trace; 59import android.util.Slog; 60import android.view.DisplayInfo; 61import android.view.MagnificationSpec; 62import android.view.Surface; 63import android.view.Surface.OutOfResourcesException; 64import android.view.SurfaceControl; 65import android.view.WindowManager; 66import android.view.WindowManager.LayoutParams; 67import android.view.WindowManagerPolicy; 68import android.view.animation.Animation; 69import android.view.animation.AnimationSet; 70import android.view.animation.AnimationUtils; 71import android.view.animation.Transformation; 72 73import com.android.server.wm.WindowManagerService.H; 74 75import java.io.PrintWriter; 76 77/** 78 * Keep track of animations and surface operations for a single WindowState. 79 **/ 80class WindowStateAnimator { 81 static final String TAG = TAG_WITH_CLASS_NAME ? "WindowStateAnimator" : TAG_WM; 82 static final int WINDOW_FREEZE_LAYER = TYPE_LAYER_MULTIPLIER * 200; 83 84 /** 85 * Mode how the window gets clipped by the stack bounds during an animation: The clipping should 86 * be applied after applying the animation transformation, i.e. the stack bounds don't move 87 * during the animation. 88 */ 89 static final int STACK_CLIP_AFTER_ANIM = 0; 90 91 /** 92 * Mode how the window gets clipped by the stack bounds: The clipping should be applied before 93 * applying the animation transformation, i.e. the stack bounds move with the window. 94 */ 95 static final int STACK_CLIP_BEFORE_ANIM = 1; 96 97 /** 98 * Mode how window gets clipped by the stack bounds during an animation: Don't clip the window 99 * by the stack bounds. 100 */ 101 static final int STACK_CLIP_NONE = 2; 102 103 // Unchanging local convenience fields. 104 final WindowManagerService mService; 105 final WindowState mWin; 106 final WindowStateAnimator mAttachedWinAnimator; 107 final WindowAnimator mAnimator; 108 AppWindowAnimator mAppAnimator; 109 final Session mSession; 110 final WindowManagerPolicy mPolicy; 111 final Context mContext; 112 final boolean mIsWallpaper; 113 final WallpaperController mWallpaperControllerLocked; 114 115 // Currently running animation. 116 boolean mAnimating; 117 boolean mLocalAnimating; 118 Animation mAnimation; 119 boolean mAnimationIsEntrance; 120 boolean mHasTransformation; 121 boolean mHasLocalTransformation; 122 final Transformation mTransformation = new Transformation(); 123 boolean mWasAnimating; // Were we animating going into the most recent animation step? 124 int mAnimLayer; 125 int mLastLayer; 126 long mAnimationStartTime; 127 long mLastAnimationTime; 128 int mStackClip = STACK_CLIP_BEFORE_ANIM; 129 130 /** 131 * Set when we have changed the size of the surface, to know that 132 * we must tell them application to resize (and thus redraw itself). 133 */ 134 boolean mSurfaceResized; 135 /** 136 * Whether we should inform the client on next relayoutWindow that 137 * the surface has been resized since last time. 138 */ 139 boolean mReportSurfaceResized; 140 WindowSurfaceController mSurfaceController; 141 private WindowSurfaceController mPendingDestroySurface; 142 143 /** 144 * Set if the client has asked that the destroy of its surface be delayed 145 * until it explicitly says it is okay. 146 */ 147 boolean mSurfaceDestroyDeferred; 148 149 private boolean mDestroyPreservedSurfaceUponRedraw; 150 float mShownAlpha = 0; 151 float mAlpha = 0; 152 float mLastAlpha = 0; 153 154 boolean mHasClipRect; 155 Rect mClipRect = new Rect(); 156 Rect mTmpClipRect = new Rect(); 157 Rect mTmpFinalClipRect = new Rect(); 158 Rect mLastClipRect = new Rect(); 159 Rect mLastFinalClipRect = new Rect(); 160 Rect mTmpStackBounds = new Rect(); 161 162 /** 163 * This is rectangle of the window's surface that is not covered by 164 * system decorations. 165 */ 166 private final Rect mSystemDecorRect = new Rect(); 167 private final Rect mLastSystemDecorRect = new Rect(); 168 169 // Used to save animation distances between the time they are calculated and when they are used. 170 private int mAnimDx; 171 private int mAnimDy; 172 173 /** Is the next animation to be started a window move animation? */ 174 private boolean mAnimateMove = false; 175 176 float mDsDx=1, mDtDx=0, mDsDy=0, mDtDy=1; 177 float mLastDsDx=1, mLastDtDx=0, mLastDsDy=0, mLastDtDy=1; 178 179 boolean mHaveMatrix; 180 181 // Set to true if, when the window gets displayed, it should perform 182 // an enter animation. 183 boolean mEnterAnimationPending; 184 185 /** Used to indicate that this window is undergoing an enter animation. Used for system 186 * windows to make the callback to View.dispatchOnWindowShownCallback(). Set when the 187 * window is first added or shown, cleared when the callback has been made. */ 188 boolean mEnteringAnimation; 189 190 private boolean mAnimationStartDelayed; 191 192 boolean mKeyguardGoingAwayAnimation; 193 boolean mKeyguardGoingAwayWithWallpaper; 194 195 /** The pixel format of the underlying SurfaceControl */ 196 int mSurfaceFormat; 197 198 /** This is set when there is no Surface */ 199 static final int NO_SURFACE = 0; 200 /** This is set after the Surface has been created but before the window has been drawn. During 201 * this time the surface is hidden. */ 202 static final int DRAW_PENDING = 1; 203 /** This is set after the window has finished drawing for the first time but before its surface 204 * is shown. The surface will be displayed when the next layout is run. */ 205 static final int COMMIT_DRAW_PENDING = 2; 206 /** This is set during the time after the window's drawing has been committed, and before its 207 * surface is actually shown. It is used to delay showing the surface until all windows in a 208 * token are ready to be shown. */ 209 static final int READY_TO_SHOW = 3; 210 /** Set when the window has been shown in the screen the first time. */ 211 static final int HAS_DRAWN = 4; 212 213 String drawStateToString() { 214 switch (mDrawState) { 215 case NO_SURFACE: return "NO_SURFACE"; 216 case DRAW_PENDING: return "DRAW_PENDING"; 217 case COMMIT_DRAW_PENDING: return "COMMIT_DRAW_PENDING"; 218 case READY_TO_SHOW: return "READY_TO_SHOW"; 219 case HAS_DRAWN: return "HAS_DRAWN"; 220 default: return Integer.toString(mDrawState); 221 } 222 } 223 int mDrawState; 224 225 /** Was this window last hidden? */ 226 boolean mLastHidden; 227 228 int mAttrType; 229 230 static final long PENDING_TRANSACTION_FINISH_WAIT_TIME = 100; 231 232 boolean mForceScaleUntilResize; 233 234 // WindowState.mHScale and WindowState.mVScale contain the 235 // scale according to client specified layout parameters (e.g. 236 // one layout size, with another surface size, creates such scaling). 237 // Here we track an additional scaling factor used to follow stack 238 // scaling (as in the case of the Pinned stack animation). 239 float mExtraHScale = (float) 1.0; 240 float mExtraVScale = (float) 1.0; 241 242 private final Rect mTmpSize = new Rect(); 243 244 WindowStateAnimator(final WindowState win) { 245 final WindowManagerService service = win.mService; 246 247 mService = service; 248 mAnimator = service.mAnimator; 249 mPolicy = service.mPolicy; 250 mContext = service.mContext; 251 final DisplayContent displayContent = win.getDisplayContent(); 252 if (displayContent != null) { 253 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 254 mAnimDx = displayInfo.appWidth; 255 mAnimDy = displayInfo.appHeight; 256 } else { 257 Slog.w(TAG, "WindowStateAnimator ctor: Display has been removed"); 258 // This is checked on return and dealt with. 259 } 260 261 mWin = win; 262 mAttachedWinAnimator = win.mAttachedWindow == null 263 ? null : win.mAttachedWindow.mWinAnimator; 264 mAppAnimator = win.mAppToken == null ? null : win.mAppToken.mAppAnimator; 265 mSession = win.mSession; 266 mAttrType = win.mAttrs.type; 267 mIsWallpaper = win.mIsWallpaper; 268 mWallpaperControllerLocked = mService.mWallpaperControllerLocked; 269 } 270 271 public void setAnimation(Animation anim, long startTime, int stackClip) { 272 if (localLOGV) Slog.v(TAG, "Setting animation in " + this + ": " + anim); 273 mAnimating = false; 274 mLocalAnimating = false; 275 mAnimation = anim; 276 mAnimation.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION); 277 mAnimation.scaleCurrentDuration(mService.getWindowAnimationScaleLocked()); 278 // Start out animation gone if window is gone, or visible if window is visible. 279 mTransformation.clear(); 280 mTransformation.setAlpha(mLastHidden ? 0 : 1); 281 mHasLocalTransformation = true; 282 mAnimationStartTime = startTime; 283 mStackClip = stackClip; 284 } 285 286 public void setAnimation(Animation anim, int stackClip) { 287 setAnimation(anim, -1, stackClip); 288 } 289 290 public void setAnimation(Animation anim) { 291 setAnimation(anim, -1, STACK_CLIP_AFTER_ANIM); 292 } 293 294 public void clearAnimation() { 295 if (mAnimation != null) { 296 mAnimating = true; 297 mLocalAnimating = false; 298 mAnimation.cancel(); 299 mAnimation = null; 300 mKeyguardGoingAwayAnimation = false; 301 mKeyguardGoingAwayWithWallpaper = false; 302 mStackClip = STACK_CLIP_BEFORE_ANIM; 303 } 304 } 305 306 /** 307 * Is the window or its container currently set to animate or currently animating? 308 */ 309 boolean isAnimationSet() { 310 return mAnimation != null 311 || (mAttachedWinAnimator != null && mAttachedWinAnimator.mAnimation != null) 312 || (mAppAnimator != null && mAppAnimator.isAnimating()); 313 } 314 315 /** 316 * @return whether an animation is about to start, i.e. the animation is set already but we 317 * haven't processed the first frame yet. 318 */ 319 boolean isAnimationStarting() { 320 return isAnimationSet() && !mAnimating; 321 } 322 323 /** Is the window animating the DummyAnimation? */ 324 boolean isDummyAnimation() { 325 return mAppAnimator != null 326 && mAppAnimator.animation == sDummyAnimation; 327 } 328 329 /** 330 * Is this window currently set to animate or currently animating? 331 */ 332 boolean isWindowAnimationSet() { 333 return mAnimation != null; 334 } 335 336 /** 337 * Is this window currently waiting to run an opening animation? 338 */ 339 boolean isWaitingForOpening() { 340 return mService.mAppTransition.isTransitionSet() && isDummyAnimation() 341 && mService.mOpeningApps.contains(mWin.mAppToken); 342 } 343 344 void cancelExitAnimationForNextAnimationLocked() { 345 if (DEBUG_ANIM) Slog.d(TAG, 346 "cancelExitAnimationForNextAnimationLocked: " + mWin); 347 348 if (mAnimation != null) { 349 mAnimation.cancel(); 350 mAnimation = null; 351 mLocalAnimating = false; 352 mWin.destroyOrSaveSurface(); 353 } 354 } 355 356 private boolean stepAnimation(long currentTime) { 357 if ((mAnimation == null) || !mLocalAnimating) { 358 return false; 359 } 360 currentTime = getAnimationFrameTime(mAnimation, currentTime); 361 mTransformation.clear(); 362 final boolean more = mAnimation.getTransformation(currentTime, mTransformation); 363 if (mAnimationStartDelayed && mAnimationIsEntrance) { 364 mTransformation.setAlpha(0f); 365 } 366 if (false && DEBUG_ANIM) Slog.v(TAG, "Stepped animation in " + this + ": more=" + more 367 + ", xform=" + mTransformation); 368 return more; 369 } 370 371 // This must be called while inside a transaction. Returns true if 372 // there is more animation to run. 373 boolean stepAnimationLocked(long currentTime) { 374 // Save the animation state as it was before this step so WindowManagerService can tell if 375 // we just started or just stopped animating by comparing mWasAnimating with isAnimationSet(). 376 mWasAnimating = mAnimating; 377 final DisplayContent displayContent = mWin.getDisplayContent(); 378 if (displayContent != null && mService.okToDisplay()) { 379 // We will run animations as long as the display isn't frozen. 380 381 if (mWin.isDrawnLw() && mAnimation != null) { 382 mHasTransformation = true; 383 mHasLocalTransformation = true; 384 if (!mLocalAnimating) { 385 if (DEBUG_ANIM) Slog.v( 386 TAG, "Starting animation in " + this + 387 " @ " + currentTime + ": ww=" + mWin.mFrame.width() + 388 " wh=" + mWin.mFrame.height() + 389 " dx=" + mAnimDx + " dy=" + mAnimDy + 390 " scale=" + mService.getWindowAnimationScaleLocked()); 391 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 392 if (mAnimateMove) { 393 mAnimateMove = false; 394 mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), 395 mAnimDx, mAnimDy); 396 } else { 397 mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), 398 displayInfo.appWidth, displayInfo.appHeight); 399 } 400 mAnimDx = displayInfo.appWidth; 401 mAnimDy = displayInfo.appHeight; 402 mAnimation.setStartTime(mAnimationStartTime != -1 403 ? mAnimationStartTime 404 : currentTime); 405 mLocalAnimating = true; 406 mAnimating = true; 407 } 408 if ((mAnimation != null) && mLocalAnimating) { 409 mLastAnimationTime = currentTime; 410 if (stepAnimation(currentTime)) { 411 return true; 412 } 413 } 414 if (DEBUG_ANIM) Slog.v( 415 TAG, "Finished animation in " + this + 416 " @ " + currentTime); 417 //WindowManagerService.this.dump(); 418 } 419 mHasLocalTransformation = false; 420 if ((!mLocalAnimating || mAnimationIsEntrance) && mAppAnimator != null 421 && mAppAnimator.animation != null) { 422 // When our app token is animating, we kind-of pretend like 423 // we are as well. Note the mLocalAnimating mAnimationIsEntrance 424 // part of this check means that we will only do this if 425 // our window is not currently exiting, or it is not 426 // locally animating itself. The idea being that one that 427 // is exiting and doing a local animation should be removed 428 // once that animation is done. 429 mAnimating = true; 430 mHasTransformation = true; 431 mTransformation.clear(); 432 return false; 433 } else if (mHasTransformation) { 434 // Little trick to get through the path below to act like 435 // we have finished an animation. 436 mAnimating = true; 437 } else if (isAnimationSet()) { 438 mAnimating = true; 439 } 440 } else if (mAnimation != null) { 441 // If the display is frozen, and there is a pending animation, 442 // clear it and make sure we run the cleanup code. 443 mAnimating = true; 444 } 445 446 if (!mAnimating && !mLocalAnimating) { 447 return false; 448 } 449 450 // Done animating, clean up. 451 if (DEBUG_ANIM) Slog.v( 452 TAG, "Animation done in " + this + ": exiting=" + mWin.mAnimatingExit 453 + ", reportedVisible=" 454 + (mWin.mAppToken != null ? mWin.mAppToken.reportedVisible : false)); 455 456 mAnimating = false; 457 mKeyguardGoingAwayAnimation = false; 458 mKeyguardGoingAwayWithWallpaper = false; 459 mLocalAnimating = false; 460 if (mAnimation != null) { 461 mAnimation.cancel(); 462 mAnimation = null; 463 } 464 if (mAnimator.mWindowDetachedWallpaper == mWin) { 465 mAnimator.mWindowDetachedWallpaper = null; 466 } 467 mAnimLayer = mWin.mLayer 468 + mService.mLayersController.getSpecialWindowAnimLayerAdjustment(mWin); 469 if (DEBUG_LAYERS) Slog.v(TAG, "Stepping win " + this + " anim layer: " + mAnimLayer); 470 mHasTransformation = false; 471 mHasLocalTransformation = false; 472 mStackClip = STACK_CLIP_BEFORE_ANIM; 473 mWin.checkPolicyVisibilityChange(); 474 mTransformation.clear(); 475 if (mDrawState == HAS_DRAWN 476 && mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING 477 && mWin.mAppToken != null 478 && mWin.mAppToken.firstWindowDrawn 479 && mWin.mAppToken.startingData != null) { 480 if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Finish starting " 481 + mWin.mToken + ": first real window done animating"); 482 mService.mFinishedStarting.add(mWin.mAppToken); 483 mService.mH.sendEmptyMessage(H.FINISHED_STARTING); 484 } else if (mAttrType == LayoutParams.TYPE_STATUS_BAR && mWin.mPolicyVisibility) { 485 // Upon completion of a not-visible to visible status bar animation a relayout is 486 // required. 487 if (displayContent != null) { 488 displayContent.layoutNeeded = true; 489 } 490 } 491 492 finishExit(); 493 final int displayId = mWin.getDisplayId(); 494 mAnimator.setPendingLayoutChanges(displayId, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 495 if (DEBUG_LAYOUT_REPEATS) 496 mService.mWindowPlacerLocked.debugLayoutRepeats( 497 "WindowStateAnimator", mAnimator.getPendingLayoutChanges(displayId)); 498 499 if (mWin.mAppToken != null) { 500 mWin.mAppToken.updateReportedVisibilityLocked(); 501 } 502 503 return false; 504 } 505 506 void finishExit() { 507 if (DEBUG_ANIM) Slog.v( 508 TAG, "finishExit in " + this 509 + ": exiting=" + mWin.mAnimatingExit 510 + " remove=" + mWin.mRemoveOnExit 511 + " windowAnimating=" + isWindowAnimationSet()); 512 513 if (!mWin.mChildWindows.isEmpty()) { 514 // Copying to a different list as multiple children can be removed. 515 final WindowList childWindows = new WindowList(mWin.mChildWindows); 516 for (int i = childWindows.size() - 1; i >= 0; i--) { 517 childWindows.get(i).mWinAnimator.finishExit(); 518 } 519 } 520 521 if (mEnteringAnimation) { 522 mEnteringAnimation = false; 523 mService.requestTraversal(); 524 // System windows don't have an activity and an app token as a result, but need a way 525 // to be informed about their entrance animation end. 526 if (mWin.mAppToken == null) { 527 try { 528 mWin.mClient.dispatchWindowShown(); 529 } catch (RemoteException e) { 530 } 531 } 532 } 533 534 if (!isWindowAnimationSet()) { 535 //TODO (multidisplay): Accessibility is supported only for the default display. 536 if (mService.mAccessibilityController != null 537 && mWin.getDisplayId() == DEFAULT_DISPLAY) { 538 mService.mAccessibilityController.onSomeWindowResizedOrMovedLocked(); 539 } 540 } 541 542 if (!mWin.mAnimatingExit) { 543 return; 544 } 545 546 if (isWindowAnimationSet()) { 547 return; 548 } 549 550 if (WindowManagerService.localLOGV || DEBUG_ADD_REMOVE) Slog.v(TAG, 551 "Exit animation finished in " + this + ": remove=" + mWin.mRemoveOnExit); 552 553 554 mWin.mDestroying = true; 555 556 final boolean hasSurface = hasSurface(); 557 if (hasSurface) { 558 hide("finishExit"); 559 } 560 561 // If we have an app token, we ask it to destroy the surface for us, 562 // so that it can take care to ensure the activity has actually stopped 563 // and the surface is not still in use. Otherwise we add the service to 564 // mDestroySurface and allow it to be processed in our next transaction. 565 if (mWin.mAppToken != null) { 566 mWin.mAppToken.destroySurfaces(); 567 } else { 568 if (hasSurface) { 569 mService.mDestroySurface.add(mWin); 570 } 571 if (mWin.mRemoveOnExit) { 572 mService.mPendingRemove.add(mWin); 573 mWin.mRemoveOnExit = false; 574 } 575 } 576 mWin.mAnimatingExit = false; 577 mWallpaperControllerLocked.hideWallpapers(mWin); 578 } 579 580 void hide(String reason) { 581 if (!mLastHidden) { 582 //dump(); 583 mLastHidden = true; 584 if (mSurfaceController != null) { 585 mService.updateNonSystemOverlayWindowsVisibilityIfNeeded(mWin, false); 586 mSurfaceController.hideInTransaction(reason); 587 } 588 } 589 } 590 591 boolean finishDrawingLocked() { 592 final boolean startingWindow = 593 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 594 if (DEBUG_STARTING_WINDOW && startingWindow) { 595 Slog.v(TAG, "Finishing drawing window " + mWin + ": mDrawState=" 596 + drawStateToString()); 597 } 598 599 boolean layoutNeeded = mWin.clearAnimatingWithSavedSurface(); 600 601 if (mDrawState == DRAW_PENDING) { 602 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM || SHOW_TRANSACTIONS || DEBUG_ORIENTATION) 603 Slog.v(TAG, "finishDrawingLocked: mDrawState=COMMIT_DRAW_PENDING " + mWin + " in " 604 + mSurfaceController); 605 if (DEBUG_STARTING_WINDOW && startingWindow) { 606 Slog.v(TAG, "Draw state now committed in " + mWin); 607 } 608 mDrawState = COMMIT_DRAW_PENDING; 609 layoutNeeded = true; 610 } 611 612 return layoutNeeded; 613 } 614 615 // This must be called while inside a transaction. 616 boolean commitFinishDrawingLocked() { 617 if (DEBUG_STARTING_WINDOW && 618 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { 619 Slog.i(TAG, "commitFinishDrawingLocked: " + mWin + " cur mDrawState=" 620 + drawStateToString()); 621 } 622 if (mDrawState != COMMIT_DRAW_PENDING && mDrawState != READY_TO_SHOW) { 623 return false; 624 } 625 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) { 626 Slog.i(TAG, "commitFinishDrawingLocked: mDrawState=READY_TO_SHOW " + mSurfaceController); 627 } 628 mDrawState = READY_TO_SHOW; 629 boolean result = false; 630 final AppWindowToken atoken = mWin.mAppToken; 631 if (atoken == null || atoken.allDrawn || mWin.mAttrs.type == TYPE_APPLICATION_STARTING) { 632 result = performShowLocked(); 633 } 634 return result; 635 } 636 637 void preserveSurfaceLocked() { 638 if (mDestroyPreservedSurfaceUponRedraw) { 639 // This could happen when switching the surface mode very fast. For example, 640 // we preserved a surface when dragResizing changed to true. Then before the 641 // preserved surface is removed, dragResizing changed to false again. 642 // In this case, we need to leave the preserved surface alone, and destroy 643 // the actual surface, so that the createSurface call could create a surface 644 // of the proper size. The preserved surface will still be removed when client 645 // finishes drawing to the new surface. 646 mSurfaceDestroyDeferred = false; 647 destroySurfaceLocked(); 648 mSurfaceDestroyDeferred = true; 649 return; 650 } 651 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin, "SET FREEZE LAYER", false); 652 if (mSurfaceController != null) { 653 mSurfaceController.setLayer(mAnimLayer + 1); 654 } 655 mDestroyPreservedSurfaceUponRedraw = true; 656 mSurfaceDestroyDeferred = true; 657 destroySurfaceLocked(); 658 } 659 660 void destroyPreservedSurfaceLocked() { 661 if (!mDestroyPreservedSurfaceUponRedraw) { 662 return; 663 } 664 destroyDeferredSurfaceLocked(); 665 mDestroyPreservedSurfaceUponRedraw = false; 666 } 667 668 void markPreservedSurfaceForDestroy() { 669 if (mDestroyPreservedSurfaceUponRedraw 670 && !mService.mDestroyPreservedSurface.contains(mWin)) { 671 mService.mDestroyPreservedSurface.add(mWin); 672 } 673 } 674 675 WindowSurfaceController createSurfaceLocked() { 676 final WindowState w = mWin; 677 if (w.hasSavedSurface()) { 678 if (DEBUG_ANIM) Slog.i(TAG, 679 "createSurface: " + this + ": called when we had a saved surface"); 680 w.restoreSavedSurface(); 681 return mSurfaceController; 682 } 683 684 if (mSurfaceController != null) { 685 return mSurfaceController; 686 } 687 688 w.setHasSurface(false); 689 690 if (DEBUG_ANIM || DEBUG_ORIENTATION) Slog.i(TAG, 691 "createSurface " + this + ": mDrawState=DRAW_PENDING"); 692 693 mDrawState = DRAW_PENDING; 694 if (w.mAppToken != null) { 695 if (w.mAppToken.mAppAnimator.animation == null) { 696 w.mAppToken.clearAllDrawn(); 697 } else { 698 // Currently animating, persist current state of allDrawn until animation 699 // is complete. 700 w.mAppToken.deferClearAllDrawn = true; 701 } 702 } 703 704 mService.makeWindowFreezingScreenIfNeededLocked(w); 705 706 int flags = SurfaceControl.HIDDEN; 707 final WindowManager.LayoutParams attrs = w.mAttrs; 708 709 if (mService.isSecureLocked(w)) { 710 flags |= SurfaceControl.SECURE; 711 } 712 713 mTmpSize.set(w.mFrame.left + w.mXOffset, w.mFrame.top + w.mYOffset, 0, 0); 714 calculateSurfaceBounds(w, attrs); 715 final int width = mTmpSize.width(); 716 final int height = mTmpSize.height(); 717 718 if (DEBUG_VISIBILITY) { 719 Slog.v(TAG, "Creating surface in session " 720 + mSession.mSurfaceSession + " window " + this 721 + " w=" + width + " h=" + height 722 + " x=" + mTmpSize.left + " y=" + mTmpSize.top 723 + " format=" + attrs.format + " flags=" + flags); 724 } 725 726 // We may abort, so initialize to defaults. 727 mLastSystemDecorRect.set(0, 0, 0, 0); 728 mHasClipRect = false; 729 mClipRect.set(0, 0, 0, 0); 730 mLastClipRect.set(0, 0, 0, 0); 731 732 // Set up surface control with initial size. 733 try { 734 735 final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0; 736 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format; 737 if (!PixelFormat.formatHasAlpha(attrs.format) 738 // Don't make surface with surfaceInsets opaque as they display a 739 // translucent shadow. 740 && attrs.surfaceInsets.left == 0 741 && attrs.surfaceInsets.top == 0 742 && attrs.surfaceInsets.right == 0 743 && attrs.surfaceInsets.bottom == 0 744 // Don't make surface opaque when resizing to reduce the amount of 745 // artifacts shown in areas the app isn't drawing content to. 746 && !w.isDragResizing()) { 747 flags |= SurfaceControl.OPAQUE; 748 } 749 750 mSurfaceController = new WindowSurfaceController(mSession.mSurfaceSession, 751 attrs.getTitle().toString(), 752 width, height, format, flags, this); 753 754 w.setHasSurface(true); 755 756 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 757 Slog.i(TAG, " CREATE SURFACE " 758 + mSurfaceController + " IN SESSION " 759 + mSession.mSurfaceSession 760 + ": pid=" + mSession.mPid + " format=" 761 + attrs.format + " flags=0x" 762 + Integer.toHexString(flags) 763 + " / " + this); 764 } 765 } catch (OutOfResourcesException e) { 766 Slog.w(TAG, "OutOfResourcesException creating surface"); 767 mService.reclaimSomeSurfaceMemoryLocked(this, "create", true); 768 mDrawState = NO_SURFACE; 769 return null; 770 } catch (Exception e) { 771 Slog.e(TAG, "Exception creating surface", e); 772 mDrawState = NO_SURFACE; 773 return null; 774 } 775 776 if (WindowManagerService.localLOGV) Slog.v(TAG, "Got surface: " + mSurfaceController 777 + ", set left=" + w.mFrame.left + " top=" + w.mFrame.top 778 + ", animLayer=" + mAnimLayer); 779 780 if (SHOW_LIGHT_TRANSACTIONS) { 781 Slog.i(TAG, ">>> OPEN TRANSACTION createSurfaceLocked"); 782 WindowManagerService.logSurface(w, "CREATE pos=(" 783 + w.mFrame.left + "," + w.mFrame.top + ") (" 784 + width + "x" + height + "), layer=" + mAnimLayer + " HIDE", false); 785 } 786 787 // Start a new transaction and apply position & offset. 788 final int layerStack = w.getDisplayContent().getDisplay().getLayerStack(); 789 mSurfaceController.setPositionAndLayer(mTmpSize.left, mTmpSize.top, layerStack, mAnimLayer); 790 mLastHidden = true; 791 792 if (WindowManagerService.localLOGV) Slog.v(TAG, "Created surface " + this); 793 return mSurfaceController; 794 } 795 796 private void calculateSurfaceBounds(WindowState w, LayoutParams attrs) { 797 if ((attrs.flags & FLAG_SCALED) != 0) { 798 // For a scaled surface, we always want the requested size. 799 mTmpSize.right = mTmpSize.left + w.mRequestedWidth; 800 mTmpSize.bottom = mTmpSize.top + w.mRequestedHeight; 801 } else { 802 // When we're doing a drag-resizing, request a surface that's fullscreen size, 803 // so that we don't need to reallocate during the process. This also prevents 804 // buffer drops due to size mismatch. 805 if (w.isDragResizing()) { 806 if (w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM) { 807 mTmpSize.left = 0; 808 mTmpSize.top = 0; 809 } 810 final DisplayInfo displayInfo = w.getDisplayInfo(); 811 mTmpSize.right = mTmpSize.left + displayInfo.logicalWidth; 812 mTmpSize.bottom = mTmpSize.top + displayInfo.logicalHeight; 813 } else { 814 mTmpSize.right = mTmpSize.left + w.mCompatFrame.width(); 815 mTmpSize.bottom = mTmpSize.top + w.mCompatFrame.height(); 816 } 817 } 818 819 // Something is wrong and SurfaceFlinger will not like this, try to revert to sane values. 820 // This doesn't necessarily mean that there is an error in the system. The sizes might be 821 // incorrect, because it is before the first layout or draw. 822 if (mTmpSize.width() < 1) { 823 mTmpSize.right = mTmpSize.left + 1; 824 } 825 if (mTmpSize.height() < 1) { 826 mTmpSize.bottom = mTmpSize.top + 1; 827 } 828 829 // Adjust for surface insets. 830 mTmpSize.left -= attrs.surfaceInsets.left; 831 mTmpSize.top -= attrs.surfaceInsets.top; 832 mTmpSize.right += attrs.surfaceInsets.right; 833 mTmpSize.bottom += attrs.surfaceInsets.bottom; 834 } 835 836 boolean hasSurface() { 837 return !mWin.hasSavedSurface() 838 && mSurfaceController != null && mSurfaceController.hasSurface(); 839 } 840 841 void destroySurfaceLocked() { 842 final AppWindowToken wtoken = mWin.mAppToken; 843 if (wtoken != null) { 844 if (mWin == wtoken.startingWindow) { 845 wtoken.startingDisplayed = false; 846 } 847 } 848 849 mWin.clearHasSavedSurface(); 850 851 if (mSurfaceController == null) { 852 return; 853 } 854 855 int i = mWin.mChildWindows.size(); 856 // When destroying a surface we want to make sure child windows are hidden. If we are 857 // preserving the surface until redraw though we intend to swap it out with another surface 858 // for resizing. In this case the window always remains visible to the user and the child 859 // windows should likewise remain visible. 860 while (!mDestroyPreservedSurfaceUponRedraw && i > 0) { 861 i--; 862 WindowState c = mWin.mChildWindows.get(i); 863 c.mAttachedHidden = true; 864 } 865 866 try { 867 if (DEBUG_VISIBILITY) logWithStack(TAG, "Window " + this + " destroying surface " 868 + mSurfaceController + ", session " + mSession); 869 if (mSurfaceDestroyDeferred) { 870 if (mSurfaceController != null && mPendingDestroySurface != mSurfaceController) { 871 if (mPendingDestroySurface != null) { 872 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 873 WindowManagerService.logSurface(mWin, "DESTROY PENDING", true); 874 } 875 mPendingDestroySurface.destroyInTransaction(); 876 } 877 mPendingDestroySurface = mSurfaceController; 878 } 879 } else { 880 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 881 WindowManagerService.logSurface(mWin, "DESTROY", true); 882 } 883 destroySurface(); 884 } 885 // Don't hide wallpaper if we're deferring the surface destroy 886 // because of a surface change. 887 if (!mDestroyPreservedSurfaceUponRedraw) { 888 mWallpaperControllerLocked.hideWallpapers(mWin); 889 } 890 } catch (RuntimeException e) { 891 Slog.w(TAG, "Exception thrown when destroying Window " + this 892 + " surface " + mSurfaceController + " session " + mSession + ": " + e.toString()); 893 } 894 895 // Whether the surface was preserved (and copied to mPendingDestroySurface) or not, it 896 // needs to be cleared to match the WindowState.mHasSurface state. It is also necessary 897 // so it can be recreated successfully in mPendingDestroySurface case. 898 mWin.setHasSurface(false); 899 if (mSurfaceController != null) { 900 mSurfaceController.setShown(false); 901 } 902 mSurfaceController = null; 903 mDrawState = NO_SURFACE; 904 } 905 906 void destroyDeferredSurfaceLocked() { 907 try { 908 if (mPendingDestroySurface != null) { 909 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 910 WindowManagerService.logSurface(mWin, "DESTROY PENDING", true); 911 } 912 mPendingDestroySurface.destroyInTransaction(); 913 // Don't hide wallpaper if we're destroying a deferred surface 914 // after a surface mode change. 915 if (!mDestroyPreservedSurfaceUponRedraw) { 916 mWallpaperControllerLocked.hideWallpapers(mWin); 917 } 918 } 919 } catch (RuntimeException e) { 920 Slog.w(TAG, "Exception thrown when destroying Window " 921 + this + " surface " + mPendingDestroySurface 922 + " session " + mSession + ": " + e.toString()); 923 } 924 mSurfaceDestroyDeferred = false; 925 mPendingDestroySurface = null; 926 } 927 928 void applyMagnificationSpec(MagnificationSpec spec, Matrix transform) { 929 final int surfaceInsetLeft = mWin.mAttrs.surfaceInsets.left; 930 final int surfaceInsetTop = mWin.mAttrs.surfaceInsets.top; 931 932 if (spec != null && !spec.isNop()) { 933 float scale = spec.scale; 934 transform.postScale(scale, scale); 935 transform.postTranslate(spec.offsetX, spec.offsetY); 936 937 // As we are scaling the whole surface, to keep the content 938 // in the same position we will also have to scale the surfaceInsets. 939 transform.postTranslate(-(surfaceInsetLeft*scale - surfaceInsetLeft), 940 -(surfaceInsetTop*scale - surfaceInsetTop)); 941 } 942 } 943 944 void computeShownFrameLocked() { 945 final boolean selfTransformation = mHasLocalTransformation; 946 Transformation attachedTransformation = 947 (mAttachedWinAnimator != null && mAttachedWinAnimator.mHasLocalTransformation) 948 ? mAttachedWinAnimator.mTransformation : null; 949 Transformation appTransformation = (mAppAnimator != null && mAppAnimator.hasTransformation) 950 ? mAppAnimator.transformation : null; 951 952 // Wallpapers are animated based on the "real" window they 953 // are currently targeting. 954 final WindowState wallpaperTarget = mWallpaperControllerLocked.getWallpaperTarget(); 955 if (mIsWallpaper && wallpaperTarget != null && mService.mAnimateWallpaperWithTarget) { 956 final WindowStateAnimator wallpaperAnimator = wallpaperTarget.mWinAnimator; 957 if (wallpaperAnimator.mHasLocalTransformation && 958 wallpaperAnimator.mAnimation != null && 959 !wallpaperAnimator.mAnimation.getDetachWallpaper()) { 960 attachedTransformation = wallpaperAnimator.mTransformation; 961 if (DEBUG_WALLPAPER && attachedTransformation != null) { 962 Slog.v(TAG, "WP target attached xform: " + attachedTransformation); 963 } 964 } 965 final AppWindowAnimator wpAppAnimator = wallpaperTarget.mAppToken == null ? 966 null : wallpaperTarget.mAppToken.mAppAnimator; 967 if (wpAppAnimator != null && wpAppAnimator.hasTransformation 968 && wpAppAnimator.animation != null 969 && !wpAppAnimator.animation.getDetachWallpaper()) { 970 appTransformation = wpAppAnimator.transformation; 971 if (DEBUG_WALLPAPER && appTransformation != null) { 972 Slog.v(TAG, "WP target app xform: " + appTransformation); 973 } 974 } 975 } 976 977 final int displayId = mWin.getDisplayId(); 978 final ScreenRotationAnimation screenRotationAnimation = 979 mAnimator.getScreenRotationAnimationLocked(displayId); 980 final boolean screenAnimation = 981 screenRotationAnimation != null && screenRotationAnimation.isAnimating(); 982 983 mHasClipRect = false; 984 if (selfTransformation || attachedTransformation != null 985 || appTransformation != null || screenAnimation) { 986 // cache often used attributes locally 987 final Rect frame = mWin.mFrame; 988 final float tmpFloats[] = mService.mTmpFloats; 989 final Matrix tmpMatrix = mWin.mTmpMatrix; 990 991 // Compute the desired transformation. 992 if (screenAnimation && screenRotationAnimation.isRotating()) { 993 // If we are doing a screen animation, the global rotation 994 // applied to windows can result in windows that are carefully 995 // aligned with each other to slightly separate, allowing you 996 // to see what is behind them. An unsightly mess. This... 997 // thing... magically makes it call good: scale each window 998 // slightly (two pixels larger in each dimension, from the 999 // window's center). 1000 final float w = frame.width(); 1001 final float h = frame.height(); 1002 if (w>=1 && h>=1) { 1003 tmpMatrix.setScale(1 + 2/w, 1 + 2/h, w/2, h/2); 1004 } else { 1005 tmpMatrix.reset(); 1006 } 1007 } else { 1008 tmpMatrix.reset(); 1009 } 1010 tmpMatrix.postScale(mWin.mGlobalScale, mWin.mGlobalScale); 1011 if (selfTransformation) { 1012 tmpMatrix.postConcat(mTransformation.getMatrix()); 1013 } 1014 if (attachedTransformation != null) { 1015 tmpMatrix.postConcat(attachedTransformation.getMatrix()); 1016 } 1017 if (appTransformation != null) { 1018 tmpMatrix.postConcat(appTransformation.getMatrix()); 1019 } 1020 1021 // The translation that applies the position of the window needs to be applied at the 1022 // end in case that other translations include scaling. Otherwise the scaling will 1023 // affect this translation. But it needs to be set before the screen rotation animation 1024 // so the pivot point is at the center of the screen for all windows. 1025 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 1026 if (screenAnimation) { 1027 tmpMatrix.postConcat(screenRotationAnimation.getEnterTransformation().getMatrix()); 1028 } 1029 1030 //TODO (multidisplay): Magnification is supported only for the default display. 1031 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 1032 MagnificationSpec spec = mService.mAccessibilityController 1033 .getMagnificationSpecForWindowLocked(mWin); 1034 applyMagnificationSpec(spec, tmpMatrix); 1035 } 1036 1037 // "convert" it into SurfaceFlinger's format 1038 // (a 2x2 matrix + an offset) 1039 // Here we must not transform the position of the surface 1040 // since it is already included in the transformation. 1041 //Slog.i(TAG_WM, "Transform: " + matrix); 1042 1043 mHaveMatrix = true; 1044 tmpMatrix.getValues(tmpFloats); 1045 mDsDx = tmpFloats[Matrix.MSCALE_X]; 1046 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 1047 mDsDy = tmpFloats[Matrix.MSKEW_X]; 1048 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 1049 float x = tmpFloats[Matrix.MTRANS_X]; 1050 float y = tmpFloats[Matrix.MTRANS_Y]; 1051 mWin.mShownPosition.set((int) x, (int) y); 1052 1053 // Now set the alpha... but because our current hardware 1054 // can't do alpha transformation on a non-opaque surface, 1055 // turn it off if we are running an animation that is also 1056 // transforming since it is more important to have that 1057 // animation be smooth. 1058 mShownAlpha = mAlpha; 1059 if (!mService.mLimitedAlphaCompositing 1060 || (!PixelFormat.formatHasAlpha(mWin.mAttrs.format) 1061 || (mWin.isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy) 1062 && x == frame.left && y == frame.top))) { 1063 //Slog.i(TAG_WM, "Applying alpha transform"); 1064 if (selfTransformation) { 1065 mShownAlpha *= mTransformation.getAlpha(); 1066 } 1067 if (attachedTransformation != null) { 1068 mShownAlpha *= attachedTransformation.getAlpha(); 1069 } 1070 if (appTransformation != null) { 1071 mShownAlpha *= appTransformation.getAlpha(); 1072 if (appTransformation.hasClipRect()) { 1073 mClipRect.set(appTransformation.getClipRect()); 1074 mHasClipRect = true; 1075 // The app transformation clip will be in the coordinate space of the main 1076 // activity window, which the animation correctly assumes will be placed at 1077 // (0,0)+(insets) relative to the containing frame. This isn't necessarily 1078 // true for child windows though which can have an arbitrary frame position 1079 // relative to their containing frame. We need to offset the difference 1080 // between the containing frame as used to calculate the crop and our 1081 // bounds to compensate for this. 1082 if (mWin.layoutInParentFrame()) { 1083 mClipRect.offset( (mWin.mContainingFrame.left - mWin.mFrame.left), 1084 mWin.mContainingFrame.top - mWin.mFrame.top ); 1085 } 1086 } 1087 } 1088 if (screenAnimation) { 1089 mShownAlpha *= screenRotationAnimation.getEnterTransformation().getAlpha(); 1090 } 1091 } else { 1092 //Slog.i(TAG_WM, "Not applying alpha transform"); 1093 } 1094 1095 if ((DEBUG_SURFACE_TRACE || WindowManagerService.localLOGV) 1096 && (mShownAlpha == 1.0 || mShownAlpha == 0.0)) Slog.v( 1097 TAG, "computeShownFrameLocked: Animating " + this + " mAlpha=" + mAlpha 1098 + " self=" + (selfTransformation ? mTransformation.getAlpha() : "null") 1099 + " attached=" + (attachedTransformation == null ? 1100 "null" : attachedTransformation.getAlpha()) 1101 + " app=" + (appTransformation == null ? "null" : appTransformation.getAlpha()) 1102 + " screen=" + (screenAnimation ? 1103 screenRotationAnimation.getEnterTransformation().getAlpha() : "null")); 1104 return; 1105 } else if (mIsWallpaper && mService.mWindowPlacerLocked.mWallpaperActionPending) { 1106 return; 1107 } else if (mWin.isDragResizeChanged()) { 1108 // This window is awaiting a relayout because user just started (or ended) 1109 // drag-resizing. The shown frame (which affects surface size and pos) 1110 // should not be updated until we get next finished draw with the new surface. 1111 // Otherwise one or two frames rendered with old settings would be displayed 1112 // with new geometry. 1113 return; 1114 } 1115 1116 if (WindowManagerService.localLOGV) Slog.v( 1117 TAG, "computeShownFrameLocked: " + this + 1118 " not attached, mAlpha=" + mAlpha); 1119 1120 MagnificationSpec spec = null; 1121 //TODO (multidisplay): Magnification is supported only for the default display. 1122 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 1123 spec = mService.mAccessibilityController.getMagnificationSpecForWindowLocked(mWin); 1124 } 1125 if (spec != null) { 1126 final Rect frame = mWin.mFrame; 1127 final float tmpFloats[] = mService.mTmpFloats; 1128 final Matrix tmpMatrix = mWin.mTmpMatrix; 1129 1130 tmpMatrix.setScale(mWin.mGlobalScale, mWin.mGlobalScale); 1131 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 1132 1133 applyMagnificationSpec(spec, tmpMatrix); 1134 1135 tmpMatrix.getValues(tmpFloats); 1136 1137 mHaveMatrix = true; 1138 mDsDx = tmpFloats[Matrix.MSCALE_X]; 1139 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 1140 mDsDy = tmpFloats[Matrix.MSKEW_X]; 1141 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 1142 float x = tmpFloats[Matrix.MTRANS_X]; 1143 float y = tmpFloats[Matrix.MTRANS_Y]; 1144 mWin.mShownPosition.set((int) x, (int) y); 1145 1146 mShownAlpha = mAlpha; 1147 } else { 1148 mWin.mShownPosition.set(mWin.mFrame.left, mWin.mFrame.top); 1149 if (mWin.mXOffset != 0 || mWin.mYOffset != 0) { 1150 mWin.mShownPosition.offset(mWin.mXOffset, mWin.mYOffset); 1151 } 1152 mShownAlpha = mAlpha; 1153 mHaveMatrix = false; 1154 mDsDx = mWin.mGlobalScale; 1155 mDtDx = 0; 1156 mDsDy = 0; 1157 mDtDy = mWin.mGlobalScale; 1158 } 1159 } 1160 1161 private void calculateSystemDecorRect() { 1162 final WindowState w = mWin; 1163 final Rect decorRect = w.mDecorFrame; 1164 final int width = w.mFrame.width(); 1165 final int height = w.mFrame.height(); 1166 1167 // Compute the offset of the window in relation to the decor rect. 1168 final int left = w.mXOffset + w.mFrame.left; 1169 final int top = w.mYOffset + w.mFrame.top; 1170 1171 // Initialize the decor rect to the entire frame. 1172 if (w.isDockedResizing() || 1173 (w.isChildWindow() && w.mAttachedWindow.isDockedResizing())) { 1174 1175 // If we are resizing with the divider, the task bounds might be smaller than the 1176 // stack bounds. The system decor is used to clip to the task bounds, which we don't 1177 // want in this case in order to avoid holes. 1178 // 1179 // We take care to not shrink the width, for surfaces which are larger than 1180 // the display region. Of course this area will not eventually be visible 1181 // but if we truncate the width now, we will calculate incorrectly 1182 // when adjusting to the stack bounds. 1183 final DisplayInfo displayInfo = w.getDisplayContent().getDisplayInfo(); 1184 mSystemDecorRect.set(0, 0, 1185 Math.max(width, displayInfo.logicalWidth), 1186 Math.max(height, displayInfo.logicalHeight)); 1187 } else { 1188 mSystemDecorRect.set(0, 0, width, height); 1189 } 1190 1191 // If a freeform window is animating from a position where it would be cutoff, it would be 1192 // cutoff during the animation. We don't want that, so for the duration of the animation 1193 // we ignore the decor cropping and depend on layering to position windows correctly. 1194 final boolean cropToDecor = !(w.inFreeformWorkspace() && w.isAnimatingLw()); 1195 if (cropToDecor) { 1196 // Intersect with the decor rect, offsetted by window position. 1197 mSystemDecorRect.intersect(decorRect.left - left, decorRect.top - top, 1198 decorRect.right - left, decorRect.bottom - top); 1199 } 1200 1201 // If size compatibility is being applied to the window, the 1202 // surface is scaled relative to the screen. Also apply this 1203 // scaling to the crop rect. We aren't using the standard rect 1204 // scale function because we want to round things to make the crop 1205 // always round to a larger rect to ensure we don't crop too 1206 // much and hide part of the window that should be seen. 1207 if (w.mEnforceSizeCompat && w.mInvGlobalScale != 1.0f) { 1208 final float scale = w.mInvGlobalScale; 1209 mSystemDecorRect.left = (int) (mSystemDecorRect.left * scale - 0.5f); 1210 mSystemDecorRect.top = (int) (mSystemDecorRect.top * scale - 0.5f); 1211 mSystemDecorRect.right = (int) ((mSystemDecorRect.right + 1) * scale - 0.5f); 1212 mSystemDecorRect.bottom = (int) ((mSystemDecorRect.bottom + 1) * scale - 0.5f); 1213 } 1214 } 1215 1216 void calculateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect) { 1217 final WindowState w = mWin; 1218 final DisplayContent displayContent = w.getDisplayContent(); 1219 if (displayContent == null) { 1220 clipRect.setEmpty(); 1221 finalClipRect.setEmpty(); 1222 return; 1223 } 1224 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 1225 if (DEBUG_WINDOW_CROP) Slog.d(TAG, 1226 "Updating crop win=" + w + " mLastCrop=" + mLastClipRect); 1227 1228 // Need to recompute a new system decor rect each time. 1229 if (!w.isDefaultDisplay()) { 1230 // On a different display there is no system decor. Crop the window 1231 // by the screen boundaries. 1232 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1233 mSystemDecorRect.intersect(-w.mCompatFrame.left, -w.mCompatFrame.top, 1234 displayInfo.logicalWidth - w.mCompatFrame.left, 1235 displayInfo.logicalHeight - w.mCompatFrame.top); 1236 } else if (w.mLayer >= mService.mSystemDecorLayer) { 1237 // Above the decor layer is easy, just use the entire window. 1238 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1239 } else if (w.mDecorFrame.isEmpty()) { 1240 // Windows without policy decor aren't cropped. 1241 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1242 } else if (w.mAttrs.type == LayoutParams.TYPE_WALLPAPER && mAnimator.isAnimating()) { 1243 // If we're animating, the wallpaper crop should only be updated at the end of the 1244 // animation. 1245 mTmpClipRect.set(mSystemDecorRect); 1246 calculateSystemDecorRect(); 1247 mSystemDecorRect.union(mTmpClipRect); 1248 } else { 1249 // Crop to the system decor specified by policy. 1250 calculateSystemDecorRect(); 1251 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "Applying decor to crop win=" + w + " mDecorFrame=" 1252 + w.mDecorFrame + " mSystemDecorRect=" + mSystemDecorRect); 1253 } 1254 1255 final boolean fullscreen = w.isFrameFullscreen(displayInfo); 1256 final boolean isFreeformResizing = 1257 w.isDragResizing() && w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM; 1258 1259 // We use the clip rect as provided by the tranformation for non-fullscreen windows to 1260 // avoid premature clipping with the system decor rect. 1261 clipRect.set((mHasClipRect && !fullscreen) ? mClipRect : mSystemDecorRect); 1262 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "win=" + w + " Initial clip rect: " + clipRect 1263 + " mHasClipRect=" + mHasClipRect + " fullscreen=" + fullscreen); 1264 1265 if (isFreeformResizing && !w.isChildWindow()) { 1266 // For freeform resizing non child windows, we are using the big surface positioned 1267 // at 0,0. Thus we must express the crop in that coordinate space. 1268 clipRect.offset(w.mShownPosition.x, w.mShownPosition.y); 1269 } 1270 1271 // Expand the clip rect for surface insets. 1272 final WindowManager.LayoutParams attrs = w.mAttrs; 1273 clipRect.left -= attrs.surfaceInsets.left; 1274 clipRect.top -= attrs.surfaceInsets.top; 1275 clipRect.right += attrs.surfaceInsets.right; 1276 clipRect.bottom += attrs.surfaceInsets.bottom; 1277 1278 if (mHasClipRect && fullscreen) { 1279 // We intersect the clip rect specified by the transformation with the expanded system 1280 // decor rect to prevent artifacts from drawing during animation if the transformation 1281 // clip rect extends outside the system decor rect. 1282 clipRect.intersect(mClipRect); 1283 } 1284 // The clip rect was generated assuming (0,0) as the window origin, 1285 // so we need to translate to match the actual surface coordinates. 1286 clipRect.offset(attrs.surfaceInsets.left, attrs.surfaceInsets.top); 1287 1288 finalClipRect.setEmpty(); 1289 adjustCropToStackBounds(w, clipRect, finalClipRect, isFreeformResizing); 1290 if (DEBUG_WINDOW_CROP) Slog.d(TAG, 1291 "win=" + w + " Clip rect after stack adjustment=" + clipRect); 1292 1293 w.transformClipRectFromScreenToSurfaceSpace(clipRect); 1294 1295 // See {@link WindowState#notifyMovedInStack} for why this is necessary. 1296 if (w.hasJustMovedInStack() && mLastClipRect.isEmpty() && !clipRect.isEmpty()) { 1297 clipRect.setEmpty(); 1298 } 1299 } 1300 1301 void updateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect, boolean recoveringMemory) { 1302 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "updateSurfaceWindowCrop: win=" + mWin 1303 + " clipRect=" + clipRect + " finalClipRect=" + finalClipRect); 1304 if (clipRect != null) { 1305 if (!clipRect.equals(mLastClipRect)) { 1306 mLastClipRect.set(clipRect); 1307 mSurfaceController.setCropInTransaction(clipRect, recoveringMemory); 1308 } 1309 } else { 1310 mSurfaceController.clearCropInTransaction(recoveringMemory); 1311 } 1312 if (!finalClipRect.equals(mLastFinalClipRect)) { 1313 mLastFinalClipRect.set(finalClipRect); 1314 mSurfaceController.setFinalCropInTransaction(finalClipRect); 1315 if (mDestroyPreservedSurfaceUponRedraw && mPendingDestroySurface != null) { 1316 mPendingDestroySurface.setFinalCropInTransaction(finalClipRect); 1317 } 1318 } 1319 } 1320 1321 private int resolveStackClip() { 1322 // App animation overrides window animation stack clip mode. 1323 if (mAppAnimator != null && mAppAnimator.animation != null) { 1324 return mAppAnimator.getStackClip(); 1325 } else { 1326 return mStackClip; 1327 } 1328 } 1329 private void adjustCropToStackBounds(WindowState w, Rect clipRect, Rect finalClipRect, 1330 boolean isFreeformResizing) { 1331 1332 final DisplayContent displayContent = w.getDisplayContent(); 1333 if (displayContent != null && !displayContent.isDefaultDisplay) { 1334 // There are some windows that live on other displays while their app and main window 1335 // live on the default display (e.g. casting...). We don't want to crop this windows 1336 // to the stack bounds which is only currently supported on the default display. 1337 // TODO(multi-display): Need to support cropping to stack bounds on other displays 1338 // when we have stacks on other displays. 1339 return; 1340 } 1341 1342 final Task task = w.getTask(); 1343 if (task == null || !task.cropWindowsToStackBounds()) { 1344 return; 1345 } 1346 1347 final int stackClip = resolveStackClip(); 1348 1349 // It's animating and we don't want to clip it to stack bounds during animation - abort. 1350 if (isAnimationSet() && stackClip == STACK_CLIP_NONE) { 1351 return; 1352 } 1353 1354 final WindowState winShowWhenLocked = (WindowState) mPolicy.getWinShowWhenLockedLw(); 1355 if (w == winShowWhenLocked && mPolicy.isKeyguardShowingOrOccluded()) { 1356 return; 1357 } 1358 1359 final TaskStack stack = task.mStack; 1360 stack.getDimBounds(mTmpStackBounds); 1361 final Rect surfaceInsets = w.getAttrs().surfaceInsets; 1362 // When we resize we use the big surface approach, which means we can't trust the 1363 // window frame bounds anymore. Instead, the window will be placed at 0, 0, but to avoid 1364 // hardcoding it, we use surface coordinates. 1365 final int frameX = isFreeformResizing ? (int) mSurfaceController.getX() : 1366 w.mFrame.left + mWin.mXOffset - surfaceInsets.left; 1367 final int frameY = isFreeformResizing ? (int) mSurfaceController.getY() : 1368 w.mFrame.top + mWin.mYOffset - surfaceInsets.top; 1369 1370 // If we are animating, we either apply the clip before applying all the animation 1371 // transformation or after all the transformation. 1372 final boolean useFinalClipRect = isAnimationSet() && stackClip == STACK_CLIP_AFTER_ANIM 1373 || mDestroyPreservedSurfaceUponRedraw; 1374 1375 // We need to do some acrobatics with surface position, because their clip region is 1376 // relative to the inside of the surface, but the stack bounds aren't. 1377 if (useFinalClipRect) { 1378 finalClipRect.set(mTmpStackBounds); 1379 } else { 1380 if (StackId.hasWindowShadow(stack.mStackId) 1381 && !StackId.isTaskResizeAllowed(stack.mStackId)) { 1382 // The windows in this stack display drop shadows and the fill the entire stack 1383 // area. Adjust the stack bounds we will use to cropping take into account the 1384 // offsets we use to display the drop shadow so it doesn't get cropped. 1385 mTmpStackBounds.inset(-surfaceInsets.left, -surfaceInsets.top, 1386 -surfaceInsets.right, -surfaceInsets.bottom); 1387 } 1388 1389 clipRect.left = Math.max(0, 1390 Math.max(mTmpStackBounds.left, frameX + clipRect.left) - frameX); 1391 clipRect.top = Math.max(0, 1392 Math.max(mTmpStackBounds.top, frameY + clipRect.top) - frameY); 1393 clipRect.right = Math.max(0, 1394 Math.min(mTmpStackBounds.right, frameX + clipRect.right) - frameX); 1395 clipRect.bottom = Math.max(0, 1396 Math.min(mTmpStackBounds.bottom, frameY + clipRect.bottom) - frameY); 1397 } 1398 } 1399 1400 void setSurfaceBoundariesLocked(final boolean recoveringMemory) { 1401 final WindowState w = mWin; 1402 final Task task = w.getTask(); 1403 1404 // We got resized, so block all updates until we got the new surface. 1405 if (w.isResizedWhileNotDragResizing() && !w.isGoneForLayoutLw()) { 1406 return; 1407 } 1408 1409 mTmpSize.set(w.mShownPosition.x, w.mShownPosition.y, 0, 0); 1410 calculateSurfaceBounds(w, w.getAttrs()); 1411 1412 mExtraHScale = (float) 1.0; 1413 mExtraVScale = (float) 1.0; 1414 1415 boolean wasForceScaled = mForceScaleUntilResize; 1416 boolean wasSeamlesslyRotated = w.mSeamlesslyRotated; 1417 1418 // Once relayout has been called at least once, we need to make sure 1419 // we only resize the client surface during calls to relayout. For 1420 // clients which use indeterminate measure specs (MATCH_PARENT), 1421 // we may try and change their window size without a call to relayout. 1422 // However, this would be unsafe, as the client may be in the middle 1423 // of producing a frame at the old size, having just completed layout 1424 // to find the surface size changed underneath it. 1425 if (!w.mRelayoutCalled || w.mInRelayout) { 1426 mSurfaceResized = mSurfaceController.setSizeInTransaction( 1427 mTmpSize.width(), mTmpSize.height(), recoveringMemory); 1428 } else { 1429 mSurfaceResized = false; 1430 } 1431 mForceScaleUntilResize = mForceScaleUntilResize && !mSurfaceResized; 1432 // If we are undergoing seamless rotation, the surface has already 1433 // been set up to persist at it's old location. We need to freeze 1434 // updates until a resize occurs. 1435 mService.markForSeamlessRotation(w, w.mSeamlesslyRotated && !mSurfaceResized); 1436 1437 calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect); 1438 1439 float surfaceWidth = mSurfaceController.getWidth(); 1440 float surfaceHeight = mSurfaceController.getHeight(); 1441 1442 if ((task != null && task.mStack.getForceScaleToCrop()) || mForceScaleUntilResize) { 1443 int hInsets = w.getAttrs().surfaceInsets.left + w.getAttrs().surfaceInsets.right; 1444 int vInsets = w.getAttrs().surfaceInsets.top + w.getAttrs().surfaceInsets.bottom; 1445 if (!mForceScaleUntilResize) { 1446 mSurfaceController.forceScaleableInTransaction(true); 1447 } 1448 // We want to calculate the scaling based on the content area, not based on 1449 // the entire surface, so that we scale in sync with windows that don't have insets. 1450 mExtraHScale = (mTmpClipRect.width() - hInsets) / (float)(surfaceWidth - hInsets); 1451 mExtraVScale = (mTmpClipRect.height() - vInsets) / (float)(surfaceHeight - vInsets); 1452 1453 // In the case of ForceScaleToCrop we scale entire tasks together, 1454 // and so we need to scale our offsets relative to the task bounds 1455 // or parent and child windows would fall out of alignment. 1456 int posX = (int) (mTmpSize.left - w.mAttrs.x * (1 - mExtraHScale)); 1457 int posY = (int) (mTmpSize.top - w.mAttrs.y * (1 - mExtraVScale)); 1458 // Imagine we are scaling down. As we scale the buffer down, we decrease the 1459 // distance between the surface top left, and the start of the surface contents 1460 // (previously it was surfaceInsets.left pixels in screen space but now it 1461 // will be surfaceInsets.left*mExtraHScale). This means in order to keep the 1462 // non inset content at the same position, we have to shift the whole window 1463 // forward. Likewise for scaling up, we've increased this distance, and we need 1464 // to shift by a negative number to compensate. 1465 posX += w.getAttrs().surfaceInsets.left * (1 - mExtraHScale); 1466 posY += w.getAttrs().surfaceInsets.top * (1 - mExtraVScale); 1467 1468 mSurfaceController.setPositionInTransaction((float)Math.floor(posX), 1469 (float)Math.floor(posY), recoveringMemory); 1470 1471 // Since we are scaled to fit in our previously desired crop, we can now 1472 // expose the whole window in buffer space, and not risk extending 1473 // past where the system would have cropped us 1474 mTmpClipRect.set(0, 0, (int)surfaceWidth, (int)surfaceHeight); 1475 mTmpFinalClipRect.setEmpty(); 1476 1477 // Various surfaces in the scaled stack may resize at different times. 1478 // We need to ensure for each surface, that we disable transformation matrix 1479 // scaling in the same transaction which we resize the surface in. 1480 // As we are in SCALING_MODE_SCALE_TO_WINDOW, SurfaceFlinger will 1481 // then take over the scaling until the new buffer arrives, and things 1482 // will be seamless. 1483 mForceScaleUntilResize = true; 1484 } else { 1485 if (!w.mSeamlesslyRotated) { 1486 mSurfaceController.setPositionInTransaction(mTmpSize.left, mTmpSize.top, 1487 recoveringMemory); 1488 } 1489 } 1490 1491 // If we are ending the scaling mode. We switch to SCALING_MODE_FREEZE 1492 // to prevent further updates until buffer latch. 1493 // When ending both force scaling, and seamless rotation, we need to freeze 1494 // the Surface geometry until a buffer comes in at the new size (normally position and crop 1495 // are unfrozen). setGeometryAppliesWithResizeInTransaction accomplishes this for us. 1496 if ((wasForceScaled && !mForceScaleUntilResize) || 1497 (wasSeamlesslyRotated && !w.mSeamlesslyRotated)) { 1498 mSurfaceController.setGeometryAppliesWithResizeInTransaction(true); 1499 mSurfaceController.forceScaleableInTransaction(false); 1500 } 1501 1502 Rect clipRect = mTmpClipRect; 1503 if (w.inPinnedWorkspace()) { 1504 clipRect = null; 1505 task.mStack.getDimBounds(mTmpFinalClipRect); 1506 mTmpFinalClipRect.inset(-w.mAttrs.surfaceInsets.left, -w.mAttrs.surfaceInsets.top, 1507 -w.mAttrs.surfaceInsets.right, -w.mAttrs.surfaceInsets.bottom); 1508 } 1509 1510 if (!w.mSeamlesslyRotated) { 1511 updateSurfaceWindowCrop(clipRect, mTmpFinalClipRect, recoveringMemory); 1512 mSurfaceController.setMatrixInTransaction(mDsDx * w.mHScale * mExtraHScale, 1513 mDtDx * w.mVScale * mExtraVScale, 1514 mDsDy * w.mHScale * mExtraHScale, 1515 mDtDy * w.mVScale * mExtraVScale, recoveringMemory); 1516 } 1517 1518 if (mSurfaceResized) { 1519 mReportSurfaceResized = true; 1520 mAnimator.setPendingLayoutChanges(w.getDisplayId(), 1521 WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER); 1522 w.applyDimLayerIfNeeded(); 1523 } 1524 1525 } 1526 1527 void prepareSurfaceLocked(final boolean recoveringMemory) { 1528 final WindowState w = mWin; 1529 if (!hasSurface()) { 1530 if (w.mOrientationChanging) { 1531 if (DEBUG_ORIENTATION) { 1532 Slog.v(TAG, "Orientation change skips hidden " + w); 1533 } 1534 w.mOrientationChanging = false; 1535 } 1536 return; 1537 } 1538 1539 // Do not change surface properties of opening apps if we are waiting for the 1540 // transition to be ready. transitionGoodToGo could be not ready even after all 1541 // opening apps are drawn. It's only waiting on isFetchingAppTransitionsSpecs() 1542 // to get the animation spec. (For example, go into Recents and immediately open 1543 // the same app again before the app's surface is destroyed or saved, the surface 1544 // is always ready in the whole process.) If we go ahead here, the opening app 1545 // will be shown with the full size before the correct animation spec arrives. 1546 if (isWaitingForOpening()) { 1547 return; 1548 } 1549 1550 boolean displayed = false; 1551 1552 computeShownFrameLocked(); 1553 1554 setSurfaceBoundariesLocked(recoveringMemory); 1555 1556 if (mIsWallpaper && !mWin.mWallpaperVisible) { 1557 // Wallpaper is no longer visible and there is no wp target => hide it. 1558 hide("prepareSurfaceLocked"); 1559 } else if (w.mAttachedHidden || !w.isOnScreen()) { 1560 hide("prepareSurfaceLocked"); 1561 mWallpaperControllerLocked.hideWallpapers(w); 1562 1563 // If we are waiting for this window to handle an 1564 // orientation change, well, it is hidden, so 1565 // doesn't really matter. Note that this does 1566 // introduce a potential glitch if the window 1567 // becomes unhidden before it has drawn for the 1568 // new orientation. 1569 if (w.mOrientationChanging) { 1570 w.mOrientationChanging = false; 1571 if (DEBUG_ORIENTATION) Slog.v(TAG, 1572 "Orientation change skips hidden " + w); 1573 } 1574 } else if (mLastLayer != mAnimLayer 1575 || mLastAlpha != mShownAlpha 1576 || mLastDsDx != mDsDx 1577 || mLastDtDx != mDtDx 1578 || mLastDsDy != mDsDy 1579 || mLastDtDy != mDtDy 1580 || w.mLastHScale != w.mHScale 1581 || w.mLastVScale != w.mVScale 1582 || mLastHidden) { 1583 displayed = true; 1584 mLastAlpha = mShownAlpha; 1585 mLastLayer = mAnimLayer; 1586 mLastDsDx = mDsDx; 1587 mLastDtDx = mDtDx; 1588 mLastDsDy = mDsDy; 1589 mLastDtDy = mDtDy; 1590 w.mLastHScale = w.mHScale; 1591 w.mLastVScale = w.mVScale; 1592 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(w, 1593 "controller=" + mSurfaceController + 1594 "alpha=" + mShownAlpha + " layer=" + mAnimLayer 1595 + " matrix=[" + mDsDx + "*" + w.mHScale 1596 + "," + mDtDx + "*" + w.mVScale 1597 + "][" + mDsDy + "*" + w.mHScale 1598 + "," + mDtDy + "*" + w.mVScale + "]", false); 1599 1600 boolean prepared = 1601 mSurfaceController.prepareToShowInTransaction(mShownAlpha, mAnimLayer, 1602 mDsDx * w.mHScale * mExtraHScale, 1603 mDtDx * w.mVScale * mExtraVScale, 1604 mDsDy * w.mHScale * mExtraHScale, 1605 mDtDy * w.mVScale * mExtraVScale, 1606 recoveringMemory); 1607 1608 if (prepared && mLastHidden && mDrawState == HAS_DRAWN) { 1609 if (showSurfaceRobustlyLocked()) { 1610 markPreservedSurfaceForDestroy(); 1611 mAnimator.requestRemovalOfReplacedWindows(w); 1612 mLastHidden = false; 1613 if (mIsWallpaper) { 1614 mWallpaperControllerLocked.dispatchWallpaperVisibility(w, true); 1615 } 1616 // This draw means the difference between unique content and mirroring. 1617 // Run another pass through performLayout to set mHasContent in the 1618 // LogicalDisplay. 1619 mAnimator.setPendingLayoutChanges(w.getDisplayId(), 1620 WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 1621 } else { 1622 w.mOrientationChanging = false; 1623 } 1624 } 1625 if (hasSurface()) { 1626 w.mToken.hasVisible = true; 1627 } 1628 } else { 1629 if (DEBUG_ANIM && isAnimationSet()) { 1630 Slog.v(TAG, "prepareSurface: No changes in animation for " + this); 1631 } 1632 displayed = true; 1633 } 1634 1635 if (displayed) { 1636 if (w.mOrientationChanging) { 1637 if (!w.isDrawnLw()) { 1638 mAnimator.mBulkUpdateParams &= ~SET_ORIENTATION_CHANGE_COMPLETE; 1639 mAnimator.mLastWindowFreezeSource = w; 1640 if (DEBUG_ORIENTATION) Slog.v(TAG, 1641 "Orientation continue waiting for draw in " + w); 1642 } else { 1643 w.mOrientationChanging = false; 1644 if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change complete in " + w); 1645 } 1646 } 1647 w.mToken.hasVisible = true; 1648 } 1649 } 1650 1651 void setTransparentRegionHintLocked(final Region region) { 1652 if (mSurfaceController == null) { 1653 Slog.w(TAG, "setTransparentRegionHint: null mSurface after mHasSurface true"); 1654 return; 1655 } 1656 mSurfaceController.setTransparentRegionHint(region); 1657 } 1658 1659 void setWallpaperOffset(Point shownPosition) { 1660 final LayoutParams attrs = mWin.getAttrs(); 1661 final int left = shownPosition.x - attrs.surfaceInsets.left; 1662 final int top = shownPosition.y - attrs.surfaceInsets.top; 1663 1664 try { 1665 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION setWallpaperOffset"); 1666 SurfaceControl.openTransaction(); 1667 mSurfaceController.setPositionInTransaction(mWin.mFrame.left + left, 1668 mWin.mFrame.top + top, false); 1669 calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect); 1670 updateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect, false); 1671 } catch (RuntimeException e) { 1672 Slog.w(TAG, "Error positioning surface of " + mWin 1673 + " pos=(" + left + "," + top + ")", e); 1674 } finally { 1675 SurfaceControl.closeTransaction(); 1676 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, 1677 "<<< CLOSE TRANSACTION setWallpaperOffset"); 1678 } 1679 } 1680 1681 /** 1682 * Try to change the pixel format without recreating the surface. This 1683 * will be common in the case of changing from PixelFormat.OPAQUE to 1684 * PixelFormat.TRANSLUCENT in the hardware-accelerated case as both 1685 * requested formats resolve to the same underlying SurfaceControl format 1686 * @return True if format was succesfully changed, false otherwise 1687 */ 1688 boolean tryChangeFormatInPlaceLocked() { 1689 if (mSurfaceController == null) { 1690 return false; 1691 } 1692 final LayoutParams attrs = mWin.getAttrs(); 1693 final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0; 1694 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format; 1695 if (format == mSurfaceFormat) { 1696 setOpaqueLocked(!PixelFormat.formatHasAlpha(attrs.format)); 1697 return true; 1698 } 1699 return false; 1700 } 1701 1702 void setOpaqueLocked(boolean isOpaque) { 1703 if (mSurfaceController == null) { 1704 return; 1705 } 1706 mSurfaceController.setOpaque(isOpaque); 1707 } 1708 1709 void setSecureLocked(boolean isSecure) { 1710 if (mSurfaceController == null) { 1711 return; 1712 } 1713 mSurfaceController.setSecure(isSecure); 1714 } 1715 1716 // This must be called while inside a transaction. 1717 boolean performShowLocked() { 1718 if (mWin.isHiddenFromUserLocked()) { 1719 if (DEBUG_VISIBILITY) Slog.w(TAG, "hiding " + mWin + ", belonging to " + mWin.mOwnerUid); 1720 mWin.hideLw(false); 1721 return false; 1722 } 1723 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1724 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1725 Slog.v(TAG, "performShow on " + this 1726 + ": mDrawState=" + drawStateToString() + " readyForDisplay=" 1727 + mWin.isReadyForDisplayIgnoringKeyguard() 1728 + " starting=" + (mWin.mAttrs.type == TYPE_APPLICATION_STARTING) 1729 + " during animation: policyVis=" + mWin.mPolicyVisibility 1730 + " attHidden=" + mWin.mAttachedHidden 1731 + " tok.hiddenRequested=" 1732 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1733 + " tok.hidden=" 1734 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1735 + " animating=" + mAnimating 1736 + " tok animating=" 1737 + (mAppAnimator != null ? mAppAnimator.animating : false) + " Callers=" 1738 + Debug.getCallers(3)); 1739 } 1740 if (mDrawState == READY_TO_SHOW && mWin.isReadyForDisplayIgnoringKeyguard()) { 1741 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1742 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1743 Slog.v(TAG, "Showing " + this 1744 + " during animation: policyVis=" + mWin.mPolicyVisibility 1745 + " attHidden=" + mWin.mAttachedHidden 1746 + " tok.hiddenRequested=" 1747 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1748 + " tok.hidden=" 1749 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1750 + " animating=" + mAnimating 1751 + " tok animating=" 1752 + (mAppAnimator != null ? mAppAnimator.animating : false)); 1753 } 1754 1755 mService.enableScreenIfNeededLocked(); 1756 1757 applyEnterAnimationLocked(); 1758 1759 // Force the show in the next prepareSurfaceLocked() call. 1760 mLastAlpha = -1; 1761 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) 1762 Slog.v(TAG, "performShowLocked: mDrawState=HAS_DRAWN in " + mWin); 1763 mDrawState = HAS_DRAWN; 1764 mService.scheduleAnimationLocked(); 1765 1766 int i = mWin.mChildWindows.size(); 1767 while (i > 0) { 1768 i--; 1769 WindowState c = mWin.mChildWindows.get(i); 1770 if (c.mAttachedHidden) { 1771 c.mAttachedHidden = false; 1772 if (c.mWinAnimator.mSurfaceController != null) { 1773 c.mWinAnimator.performShowLocked(); 1774 // It hadn't been shown, which means layout not 1775 // performed on it, so now we want to make sure to 1776 // do a layout. If called from within the transaction 1777 // loop, this will cause it to restart with a new 1778 // layout. 1779 final DisplayContent displayContent = c.getDisplayContent(); 1780 if (displayContent != null) { 1781 displayContent.layoutNeeded = true; 1782 } 1783 } 1784 } 1785 } 1786 1787 if (mWin.mAttrs.type != TYPE_APPLICATION_STARTING && mWin.mAppToken != null) { 1788 mWin.mAppToken.onFirstWindowDrawn(mWin, this); 1789 } 1790 1791 if (mWin.mAttrs.type == TYPE_INPUT_METHOD) { 1792 mWin.mDisplayContent.mDividerControllerLocked.resetImeHideRequested(); 1793 } 1794 1795 return true; 1796 } 1797 return false; 1798 } 1799 1800 /** 1801 * Have the surface flinger show a surface, robustly dealing with 1802 * error conditions. In particular, if there is not enough memory 1803 * to show the surface, then we will try to get rid of other surfaces 1804 * in order to succeed. 1805 * 1806 * @return Returns true if the surface was successfully shown. 1807 */ 1808 private boolean showSurfaceRobustlyLocked() { 1809 final Task task = mWin.getTask(); 1810 if (task != null && StackId.windowsAreScaleable(task.mStack.mStackId)) { 1811 mSurfaceController.forceScaleableInTransaction(true); 1812 } 1813 1814 boolean shown = mSurfaceController.showRobustlyInTransaction(); 1815 if (!shown) 1816 return false; 1817 1818 mService.updateNonSystemOverlayWindowsVisibilityIfNeeded(mWin, true); 1819 if (mWin.mTurnOnScreen) { 1820 if (DEBUG_VISIBILITY) Slog.v(TAG, "Show surface turning screen on: " + mWin); 1821 mWin.mTurnOnScreen = false; 1822 mAnimator.mBulkUpdateParams |= SET_TURN_ON_SCREEN; 1823 } 1824 return true; 1825 } 1826 1827 void applyEnterAnimationLocked() { 1828 // If we are the new part of a window replacement transition and we have requested 1829 // not to animate, we instead want to make it seamless, so we don't want to apply 1830 // an enter transition. 1831 if (mWin.mSkipEnterAnimationForSeamlessReplacement) { 1832 return; 1833 } 1834 final int transit; 1835 if (mEnterAnimationPending) { 1836 mEnterAnimationPending = false; 1837 transit = WindowManagerPolicy.TRANSIT_ENTER; 1838 } else { 1839 transit = WindowManagerPolicy.TRANSIT_SHOW; 1840 } 1841 applyAnimationLocked(transit, true); 1842 //TODO (multidisplay): Magnification is supported only for the default display. 1843 if (mService.mAccessibilityController != null 1844 && mWin.getDisplayId() == DEFAULT_DISPLAY) { 1845 mService.mAccessibilityController.onWindowTransitionLocked(mWin, transit); 1846 } 1847 } 1848 1849 /** 1850 * Choose the correct animation and set it to the passed WindowState. 1851 * @param transit If AppTransition.TRANSIT_PREVIEW_DONE and the app window has been drawn 1852 * then the animation will be app_starting_exit. Any other value loads the animation from 1853 * the switch statement below. 1854 * @param isEntrance The animation type the last time this was called. Used to keep from 1855 * loading the same animation twice. 1856 * @return true if an animation has been loaded. 1857 */ 1858 boolean applyAnimationLocked(int transit, boolean isEntrance) { 1859 if ((mLocalAnimating && mAnimationIsEntrance == isEntrance) 1860 || mKeyguardGoingAwayAnimation) { 1861 // If we are trying to apply an animation, but already running 1862 // an animation of the same type, then just leave that one alone. 1863 1864 // If we are in a keyguard exit animation, and the window should animate away, modify 1865 // keyguard exit animation such that it also fades out. 1866 if (mAnimation != null && mKeyguardGoingAwayAnimation 1867 && transit == WindowManagerPolicy.TRANSIT_PREVIEW_DONE) { 1868 applyFadeoutDuringKeyguardExitAnimation(); 1869 } 1870 return true; 1871 } 1872 1873 // Only apply an animation if the display isn't frozen. If it is 1874 // frozen, there is no reason to animate and it can cause strange 1875 // artifacts when we unfreeze the display if some different animation 1876 // is running. 1877 Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "WSA#applyAnimationLocked"); 1878 if (mService.okToDisplay()) { 1879 int anim = mPolicy.selectAnimationLw(mWin, transit); 1880 int attr = -1; 1881 Animation a = null; 1882 if (anim != 0) { 1883 a = anim != -1 ? AnimationUtils.loadAnimation(mContext, anim) : null; 1884 } else { 1885 switch (transit) { 1886 case WindowManagerPolicy.TRANSIT_ENTER: 1887 attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation; 1888 break; 1889 case WindowManagerPolicy.TRANSIT_EXIT: 1890 attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation; 1891 break; 1892 case WindowManagerPolicy.TRANSIT_SHOW: 1893 attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation; 1894 break; 1895 case WindowManagerPolicy.TRANSIT_HIDE: 1896 attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation; 1897 break; 1898 } 1899 if (attr >= 0) { 1900 a = mService.mAppTransition.loadAnimationAttr(mWin.mAttrs, attr); 1901 } 1902 } 1903 if (DEBUG_ANIM) Slog.v(TAG, 1904 "applyAnimation: win=" + this 1905 + " anim=" + anim + " attr=0x" + Integer.toHexString(attr) 1906 + " a=" + a 1907 + " transit=" + transit 1908 + " isEntrance=" + isEntrance + " Callers " + Debug.getCallers(3)); 1909 if (a != null) { 1910 if (DEBUG_ANIM) logWithStack(TAG, "Loaded animation " + a + " for " + this); 1911 setAnimation(a); 1912 mAnimationIsEntrance = isEntrance; 1913 } 1914 } else { 1915 clearAnimation(); 1916 } 1917 Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER); 1918 1919 if (mWin.mAttrs.type == TYPE_INPUT_METHOD) { 1920 mService.adjustForImeIfNeeded(mWin.mDisplayContent); 1921 if (isEntrance) { 1922 mWin.setDisplayLayoutNeeded(); 1923 mService.mWindowPlacerLocked.requestTraversal(); 1924 } 1925 } 1926 return mAnimation != null; 1927 } 1928 1929 private void applyFadeoutDuringKeyguardExitAnimation() { 1930 long startTime = mAnimation.getStartTime(); 1931 long duration = mAnimation.getDuration(); 1932 long elapsed = mLastAnimationTime - startTime; 1933 long fadeDuration = duration - elapsed; 1934 if (fadeDuration <= 0) { 1935 // Never mind, this would be no visible animation, so abort the animation change. 1936 return; 1937 } 1938 AnimationSet newAnimation = new AnimationSet(false /* shareInterpolator */); 1939 newAnimation.setDuration(duration); 1940 newAnimation.setStartTime(startTime); 1941 newAnimation.addAnimation(mAnimation); 1942 Animation fadeOut = AnimationUtils.loadAnimation( 1943 mContext, com.android.internal.R.anim.app_starting_exit); 1944 fadeOut.setDuration(fadeDuration); 1945 fadeOut.setStartOffset(elapsed); 1946 newAnimation.addAnimation(fadeOut); 1947 newAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), mAnimDx, mAnimDy); 1948 mAnimation = newAnimation; 1949 } 1950 1951 public void dump(PrintWriter pw, String prefix, boolean dumpAll) { 1952 if (mAnimating || mLocalAnimating || mAnimationIsEntrance 1953 || mAnimation != null) { 1954 pw.print(prefix); pw.print("mAnimating="); pw.print(mAnimating); 1955 pw.print(" mLocalAnimating="); pw.print(mLocalAnimating); 1956 pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance); 1957 pw.print(" mAnimation="); pw.print(mAnimation); 1958 pw.print(" mStackClip="); pw.println(mStackClip); 1959 } 1960 if (mHasTransformation || mHasLocalTransformation) { 1961 pw.print(prefix); pw.print("XForm: has="); 1962 pw.print(mHasTransformation); 1963 pw.print(" hasLocal="); pw.print(mHasLocalTransformation); 1964 pw.print(" "); mTransformation.printShortString(pw); 1965 pw.println(); 1966 } 1967 if (mSurfaceController != null) { 1968 mSurfaceController.dump(pw, prefix, dumpAll); 1969 } 1970 if (dumpAll) { 1971 pw.print(prefix); pw.print("mDrawState="); pw.print(drawStateToString()); 1972 pw.print(prefix); pw.print(" mLastHidden="); pw.println(mLastHidden); 1973 pw.print(prefix); pw.print("mSystemDecorRect="); mSystemDecorRect.printShortString(pw); 1974 pw.print(" last="); mLastSystemDecorRect.printShortString(pw); 1975 pw.print(" mHasClipRect="); pw.print(mHasClipRect); 1976 pw.print(" mLastClipRect="); mLastClipRect.printShortString(pw); 1977 1978 if (!mLastFinalClipRect.isEmpty()) { 1979 pw.print(" mLastFinalClipRect="); mLastFinalClipRect.printShortString(pw); 1980 } 1981 pw.println(); 1982 } 1983 1984 if (mPendingDestroySurface != null) { 1985 pw.print(prefix); pw.print("mPendingDestroySurface="); 1986 pw.println(mPendingDestroySurface); 1987 } 1988 if (mSurfaceResized || mSurfaceDestroyDeferred) { 1989 pw.print(prefix); pw.print("mSurfaceResized="); pw.print(mSurfaceResized); 1990 pw.print(" mSurfaceDestroyDeferred="); pw.println(mSurfaceDestroyDeferred); 1991 } 1992 if (mShownAlpha != 1 || mAlpha != 1 || mLastAlpha != 1) { 1993 pw.print(prefix); pw.print("mShownAlpha="); pw.print(mShownAlpha); 1994 pw.print(" mAlpha="); pw.print(mAlpha); 1995 pw.print(" mLastAlpha="); pw.println(mLastAlpha); 1996 } 1997 if (mHaveMatrix || mWin.mGlobalScale != 1) { 1998 pw.print(prefix); pw.print("mGlobalScale="); pw.print(mWin.mGlobalScale); 1999 pw.print(" mDsDx="); pw.print(mDsDx); 2000 pw.print(" mDtDx="); pw.print(mDtDx); 2001 pw.print(" mDsDy="); pw.print(mDsDy); 2002 pw.print(" mDtDy="); pw.println(mDtDy); 2003 } 2004 if (mAnimationStartDelayed) { 2005 pw.print(prefix); pw.print("mAnimationStartDelayed="); pw.print(mAnimationStartDelayed); 2006 } 2007 } 2008 2009 @Override 2010 public String toString() { 2011 StringBuffer sb = new StringBuffer("WindowStateAnimator{"); 2012 sb.append(Integer.toHexString(System.identityHashCode(this))); 2013 sb.append(' '); 2014 sb.append(mWin.mAttrs.getTitle()); 2015 sb.append('}'); 2016 return sb.toString(); 2017 } 2018 2019 void reclaimSomeSurfaceMemory(String operation, boolean secure) { 2020 mService.reclaimSomeSurfaceMemoryLocked(this, operation, secure); 2021 } 2022 2023 boolean getShown() { 2024 if (mSurfaceController != null) { 2025 return mSurfaceController.getShown(); 2026 } 2027 return false; 2028 } 2029 2030 void destroySurface() { 2031 try { 2032 if (mSurfaceController != null) { 2033 mSurfaceController.destroyInTransaction(); 2034 } 2035 } catch (RuntimeException e) { 2036 Slog.w(TAG, "Exception thrown when destroying surface " + this 2037 + " surface " + mSurfaceController + " session " + mSession + ": " + e); 2038 } finally { 2039 mWin.setHasSurface(false); 2040 mSurfaceController = null; 2041 mDrawState = NO_SURFACE; 2042 } 2043 } 2044 2045 void setMoveAnimation(int left, int top) { 2046 final Animation a = AnimationUtils.loadAnimation(mContext, 2047 com.android.internal.R.anim.window_move_from_decor); 2048 setAnimation(a); 2049 mAnimDx = mWin.mLastFrame.left - left; 2050 mAnimDy = mWin.mLastFrame.top - top; 2051 mAnimateMove = true; 2052 } 2053 2054 void deferTransactionUntilParentFrame(long frameNumber) { 2055 if (!mWin.isChildWindow()) { 2056 return; 2057 } 2058 mSurfaceController.deferTransactionUntil( 2059 mWin.mAttachedWindow.mWinAnimator.mSurfaceController.getHandle(), 2060 frameNumber); 2061 } 2062 2063 /** 2064 * Sometimes we need to synchronize the first frame of animation with some external event. 2065 * To achieve this, we prolong the start of the animation and keep producing the first frame of 2066 * the animation. 2067 */ 2068 private long getAnimationFrameTime(Animation animation, long currentTime) { 2069 if (mAnimationStartDelayed) { 2070 animation.setStartTime(currentTime); 2071 return currentTime + 1; 2072 } 2073 return currentTime; 2074 } 2075 2076 void startDelayingAnimationStart() { 2077 mAnimationStartDelayed = true; 2078 } 2079 2080 void endDelayingAnimationStart() { 2081 mAnimationStartDelayed = false; 2082 } 2083 2084 void seamlesslyRotateWindow(int oldRotation, int newRotation) { 2085 final WindowState w = mWin; 2086 if (!w.isVisibleNow() || w.mIsWallpaper) { 2087 return; 2088 } 2089 2090 final Rect cropRect = mService.mTmpRect; 2091 final Rect displayRect = mService.mTmpRect2; 2092 final RectF frameRect = mService.mTmpRectF; 2093 final Matrix transform = mService.mTmpTransform; 2094 2095 final float x = w.mFrame.left; 2096 final float y = w.mFrame.top; 2097 final float width = w.mFrame.width(); 2098 final float height = w.mFrame.height(); 2099 2100 mService.getDefaultDisplayContentLocked().getLogicalDisplayRect(displayRect); 2101 final float displayWidth = displayRect.width(); 2102 final float displayHeight = displayRect.height(); 2103 2104 // Compute a transform matrix to undo the coordinate space transformation, 2105 // and present the window at the same physical position it previously occupied. 2106 final int deltaRotation = DisplayContent.deltaRotation(newRotation, oldRotation); 2107 DisplayContent.createRotationMatrix(deltaRotation, x, y, displayWidth, displayHeight, 2108 transform); 2109 2110 // We have two cases: 2111 // 1. Windows with NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY: 2112 // These windows never change buffer size when rotating. Rather the window manager 2113 // just updates the scaling factors to fit in the new coordinate system, 2114 // and SurfaceFlinger takes care of updating the buffer contents. So in this case 2115 // we just need we just need to update the scaling factors and things are seamless 2116 // already. 2117 // 2. Other windows: 2118 // In this case, we need to apply a rotation matrix to the window. For example 2119 // if we have a portrait window and rotate to landscape, the window is still portrait 2120 // and now extends off the bottom of the screen (and only halfway across). Essentially we 2121 // apply a transform to display the current buffer at it's old position 2122 // (in the new coordinate space). We then freeze layer updates until the resize 2123 // occurs, at which point we undo, them. 2124 if (w.isChildWindow() && mSurfaceController.getTransformToDisplayInverse()) { 2125 frameRect.set(x, y, x+width, y+height); 2126 transform.mapRect(frameRect); 2127 2128 w.mAttrs.x = (int) frameRect.left - w.mAttachedWindow.mFrame.left; 2129 w.mAttrs.y = (int) frameRect.top - w.mAttachedWindow.mFrame.top; 2130 w.mAttrs.width = (int) Math.ceil(frameRect.width()); 2131 w.mAttrs.height = (int) Math.ceil(frameRect.height()); 2132 2133 w.setWindowScale(w.mRequestedWidth, w.mRequestedHeight); 2134 2135 w.applyGravityAndUpdateFrame(w.mContainingFrame, w.mDisplayFrame); 2136 computeShownFrameLocked(); 2137 setSurfaceBoundariesLocked(false); 2138 2139 // The stack bounds will not yet be rotated at this point so setSurfaceBoundaries locked 2140 // will crop us incorrectly. Overwrite the crop, exposing the full surface. By the next 2141 // transaction this will be corrected. 2142 cropRect.set(0, 0, w.mRequestedWidth, w.mRequestedWidth + w.mRequestedHeight); 2143 mSurfaceController.setCropInTransaction(cropRect, false); 2144 } else { 2145 mService.markForSeamlessRotation(w, true); 2146 transform.getValues(mService.mTmpFloats); 2147 2148 float DsDx = mService.mTmpFloats[Matrix.MSCALE_X]; 2149 float DtDx = mService.mTmpFloats[Matrix.MSKEW_Y]; 2150 float DsDy = mService.mTmpFloats[Matrix.MSKEW_X]; 2151 float DtDy = mService.mTmpFloats[Matrix.MSCALE_Y]; 2152 float nx = mService.mTmpFloats[Matrix.MTRANS_X]; 2153 float ny = mService.mTmpFloats[Matrix.MTRANS_Y]; 2154 mSurfaceController.setPositionInTransaction(nx, ny, false); 2155 mSurfaceController.setMatrixInTransaction(DsDx * w.mHScale, 2156 DtDx * w.mVScale, 2157 DsDy * w.mHScale, 2158 DtDy * w.mVScale, false); 2159 } 2160 } 2161} 2162