WindowStateAnimator.java revision db21bbd2caf05322864f09ec45a0c572cf071123
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.view.Display.DEFAULT_DISPLAY; 21import static android.view.WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; 22import static android.view.WindowManager.LayoutParams.FLAG_SCALED; 23import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 24import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD; 25import static com.android.server.wm.AppWindowAnimator.sDummyAnimation; 26import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_FREEFORM; 27import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE; 28import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM; 29import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS; 30import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT_REPEATS; 31import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION; 32import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STARTING_WINDOW; 33import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SURFACE_TRACE; 34import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY; 35import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER; 36import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_CROP; 37import static com.android.server.wm.WindowManagerDebugConfig.SHOW_LIGHT_TRANSACTIONS; 38import static com.android.server.wm.WindowManagerDebugConfig.SHOW_SURFACE_ALLOC; 39import static com.android.server.wm.WindowManagerDebugConfig.SHOW_TRANSACTIONS; 40import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; 41import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; 42import static com.android.server.wm.WindowManagerService.TYPE_LAYER_MULTIPLIER; 43import static com.android.server.wm.WindowManagerService.localLOGV; 44import static com.android.server.wm.WindowManagerService.logWithStack; 45import static com.android.server.wm.WindowSurfacePlacer.SET_ORIENTATION_CHANGE_COMPLETE; 46import static com.android.server.wm.WindowSurfacePlacer.SET_TURN_ON_SCREEN; 47 48import android.content.Context; 49import android.graphics.Matrix; 50import android.graphics.PixelFormat; 51import android.graphics.Point; 52import android.graphics.Rect; 53import android.graphics.Region; 54import android.os.Debug; 55import android.os.RemoteException; 56import android.util.Slog; 57import android.view.DisplayInfo; 58import android.view.MagnificationSpec; 59import android.view.Surface.OutOfResourcesException; 60import android.view.SurfaceControl; 61import android.view.WindowManager; 62import android.view.WindowManager.LayoutParams; 63import android.view.WindowManagerPolicy; 64import android.view.animation.Animation; 65import android.view.animation.AnimationSet; 66import android.view.animation.AnimationUtils; 67import android.view.animation.Transformation; 68 69import com.android.server.wm.WindowManagerService.H; 70 71import java.io.PrintWriter; 72 73/** 74 * Keep track of animations and surface operations for a single WindowState. 75 **/ 76class WindowStateAnimator { 77 static final String TAG = TAG_WITH_CLASS_NAME ? "WindowStateAnimator" : TAG_WM; 78 static final int WINDOW_FREEZE_LAYER = TYPE_LAYER_MULTIPLIER * 200; 79 80 /** 81 * Mode how the window gets clipped by the stack bounds during an animation: The clipping should 82 * be applied after applying the animation transformation, i.e. the stack bounds don't move 83 * during the animation. 84 */ 85 static final int STACK_CLIP_AFTER_ANIM = 0; 86 87 /** 88 * Mode how the window gets clipped by the stack bounds: The clipping should be applied before 89 * applying the animation transformation, i.e. the stack bounds move with the window. 90 */ 91 static final int STACK_CLIP_BEFORE_ANIM = 1; 92 93 /** 94 * Mode how window gets clipped by the stack bounds during an animation: Don't clip the window 95 * by the stack bounds. 96 */ 97 static final int STACK_CLIP_NONE = 2; 98 99 // Unchanging local convenience fields. 100 final WindowManagerService mService; 101 final WindowState mWin; 102 final WindowStateAnimator mAttachedWinAnimator; 103 final WindowAnimator mAnimator; 104 AppWindowAnimator mAppAnimator; 105 final Session mSession; 106 final WindowManagerPolicy mPolicy; 107 final Context mContext; 108 final boolean mIsWallpaper; 109 final WallpaperController mWallpaperControllerLocked; 110 111 // Currently running animation. 112 boolean mAnimating; 113 boolean mLocalAnimating; 114 Animation mAnimation; 115 boolean mAnimationIsEntrance; 116 boolean mHasTransformation; 117 boolean mHasLocalTransformation; 118 final Transformation mTransformation = new Transformation(); 119 boolean mWasAnimating; // Were we animating going into the most recent animation step? 120 int mAnimLayer; 121 int mLastLayer; 122 long mAnimationStartTime; 123 long mLastAnimationTime; 124 int mStackClip = STACK_CLIP_BEFORE_ANIM; 125 126 /** 127 * Set when we have changed the size of the surface, to know that 128 * we must tell them application to resize (and thus redraw itself). 129 */ 130 boolean mSurfaceResized; 131 /** 132 * Whether we should inform the client on next relayoutWindow that 133 * the surface has been resized since last time. 134 */ 135 boolean mReportSurfaceResized; 136 WindowSurfaceController mSurfaceController; 137 private WindowSurfaceController mPendingDestroySurface; 138 139 /** 140 * Set if the client has asked that the destroy of its surface be delayed 141 * until it explicitly says it is okay. 142 */ 143 boolean mSurfaceDestroyDeferred; 144 145 private boolean mDestroyPreservedSurfaceUponRedraw; 146 float mShownAlpha = 0; 147 float mAlpha = 0; 148 float mLastAlpha = 0; 149 150 boolean mHasClipRect; 151 Rect mClipRect = new Rect(); 152 Rect mTmpClipRect = new Rect(); 153 Rect mTmpFinalClipRect = new Rect(); 154 Rect mLastClipRect = new Rect(); 155 Rect mLastFinalClipRect = new Rect(); 156 Rect mTmpStackBounds = new Rect(); 157 158 /** 159 * This is rectangle of the window's surface that is not covered by 160 * system decorations. 161 */ 162 private final Rect mSystemDecorRect = new Rect(); 163 private final Rect mLastSystemDecorRect = new Rect(); 164 165 // Used to save animation distances between the time they are calculated and when they are used. 166 private int mAnimDx; 167 private int mAnimDy; 168 169 /** Is the next animation to be started a window move animation? */ 170 private boolean mAnimateMove = false; 171 172 float mDsDx=1, mDtDx=0, mDsDy=0, mDtDy=1; 173 float mLastDsDx=1, mLastDtDx=0, mLastDsDy=0, mLastDtDy=1; 174 175 boolean mHaveMatrix; 176 177 // Set to true if, when the window gets displayed, it should perform 178 // an enter animation. 179 boolean mEnterAnimationPending; 180 181 /** Used to indicate that this window is undergoing an enter animation. Used for system 182 * windows to make the callback to View.dispatchOnWindowShownCallback(). Set when the 183 * window is first added or shown, cleared when the callback has been made. */ 184 boolean mEnteringAnimation; 185 186 private boolean mAnimationStartDelayed; 187 188 boolean mKeyguardGoingAwayAnimation; 189 boolean mKeyguardGoingAwayWithWallpaper; 190 191 /** The pixel format of the underlying SurfaceControl */ 192 int mSurfaceFormat; 193 194 /** This is set when there is no Surface */ 195 static final int NO_SURFACE = 0; 196 /** This is set after the Surface has been created but before the window has been drawn. During 197 * this time the surface is hidden. */ 198 static final int DRAW_PENDING = 1; 199 /** This is set after the window has finished drawing for the first time but before its surface 200 * is shown. The surface will be displayed when the next layout is run. */ 201 static final int COMMIT_DRAW_PENDING = 2; 202 /** This is set during the time after the window's drawing has been committed, and before its 203 * surface is actually shown. It is used to delay showing the surface until all windows in a 204 * token are ready to be shown. */ 205 static final int READY_TO_SHOW = 3; 206 /** Set when the window has been shown in the screen the first time. */ 207 static final int HAS_DRAWN = 4; 208 209 String drawStateToString() { 210 switch (mDrawState) { 211 case NO_SURFACE: return "NO_SURFACE"; 212 case DRAW_PENDING: return "DRAW_PENDING"; 213 case COMMIT_DRAW_PENDING: return "COMMIT_DRAW_PENDING"; 214 case READY_TO_SHOW: return "READY_TO_SHOW"; 215 case HAS_DRAWN: return "HAS_DRAWN"; 216 default: return Integer.toString(mDrawState); 217 } 218 } 219 int mDrawState; 220 221 /** Was this window last hidden? */ 222 boolean mLastHidden; 223 224 int mAttrType; 225 226 static final long PENDING_TRANSACTION_FINISH_WAIT_TIME = 100; 227 long mDeferTransactionUntilFrame = -1; 228 long mDeferTransactionTime = -1; 229 230 private final Rect mTmpSize = new Rect(); 231 232 WindowStateAnimator(final WindowState win) { 233 final WindowManagerService service = win.mService; 234 235 mService = service; 236 mAnimator = service.mAnimator; 237 mPolicy = service.mPolicy; 238 mContext = service.mContext; 239 final DisplayContent displayContent = win.getDisplayContent(); 240 if (displayContent != null) { 241 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 242 mAnimDx = displayInfo.appWidth; 243 mAnimDy = displayInfo.appHeight; 244 } else { 245 Slog.w(TAG, "WindowStateAnimator ctor: Display has been removed"); 246 // This is checked on return and dealt with. 247 } 248 249 mWin = win; 250 mAttachedWinAnimator = win.mAttachedWindow == null 251 ? null : win.mAttachedWindow.mWinAnimator; 252 mAppAnimator = win.mAppToken == null ? null : win.mAppToken.mAppAnimator; 253 mSession = win.mSession; 254 mAttrType = win.mAttrs.type; 255 mIsWallpaper = win.mIsWallpaper; 256 mWallpaperControllerLocked = mService.mWallpaperControllerLocked; 257 } 258 259 public void setAnimation(Animation anim, long startTime, int stackClip) { 260 if (localLOGV) Slog.v(TAG, "Setting animation in " + this + ": " + anim); 261 mAnimating = false; 262 mLocalAnimating = false; 263 mAnimation = anim; 264 mAnimation.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION); 265 mAnimation.scaleCurrentDuration(mService.getWindowAnimationScaleLocked()); 266 // Start out animation gone if window is gone, or visible if window is visible. 267 mTransformation.clear(); 268 mTransformation.setAlpha(mLastHidden ? 0 : 1); 269 mHasLocalTransformation = true; 270 mAnimationStartTime = startTime; 271 mStackClip = stackClip; 272 } 273 274 public void setAnimation(Animation anim, int stackClip) { 275 setAnimation(anim, -1, stackClip); 276 } 277 278 public void setAnimation(Animation anim) { 279 setAnimation(anim, -1, STACK_CLIP_AFTER_ANIM); 280 } 281 282 public void clearAnimation() { 283 if (mAnimation != null) { 284 mAnimating = true; 285 mLocalAnimating = false; 286 mAnimation.cancel(); 287 mAnimation = null; 288 mKeyguardGoingAwayAnimation = false; 289 mKeyguardGoingAwayWithWallpaper = false; 290 mStackClip = STACK_CLIP_BEFORE_ANIM; 291 } 292 } 293 294 /** Is the window or its container currently animating? */ 295 boolean isAnimating() { 296 return mAnimation != null 297 || (mAttachedWinAnimator != null && mAttachedWinAnimator.mAnimation != null) 298 || (mAppAnimator != null && mAppAnimator.isAnimating()); 299 } 300 301 /** Is the window animating the DummyAnimation? */ 302 boolean isDummyAnimation() { 303 return mAppAnimator != null 304 && mAppAnimator.animation == sDummyAnimation; 305 } 306 307 /** Is this window currently set to animate or currently animating? */ 308 boolean isWindowAnimating() { 309 return mAnimation != null; 310 } 311 312 void cancelExitAnimationForNextAnimationLocked() { 313 if (DEBUG_ANIM) Slog.d(TAG, 314 "cancelExitAnimationForNextAnimationLocked: " + mWin); 315 316 if (mAnimation != null) { 317 mAnimation.cancel(); 318 mAnimation = null; 319 mLocalAnimating = false; 320 mWin.destroyOrSaveSurface(); 321 } 322 } 323 324 private boolean stepAnimation(long currentTime) { 325 if ((mAnimation == null) || !mLocalAnimating) { 326 return false; 327 } 328 currentTime = getAnimationFrameTime(mAnimation, currentTime); 329 mTransformation.clear(); 330 final boolean more = mAnimation.getTransformation(currentTime, mTransformation); 331 if (mAnimationStartDelayed && mAnimationIsEntrance) { 332 mTransformation.setAlpha(0f); 333 } 334 if (false && DEBUG_ANIM) Slog.v(TAG, "Stepped animation in " + this + ": more=" + more 335 + ", xform=" + mTransformation); 336 return more; 337 } 338 339 // This must be called while inside a transaction. Returns true if 340 // there is more animation to run. 341 boolean stepAnimationLocked(long currentTime) { 342 // Save the animation state as it was before this step so WindowManagerService can tell if 343 // we just started or just stopped animating by comparing mWasAnimating with isAnimating(). 344 mWasAnimating = mAnimating; 345 final DisplayContent displayContent = mWin.getDisplayContent(); 346 if (displayContent != null && mService.okToDisplay()) { 347 // We will run animations as long as the display isn't frozen. 348 349 if (mWin.isDrawnLw() && mAnimation != null) { 350 mHasTransformation = true; 351 mHasLocalTransformation = true; 352 if (!mLocalAnimating) { 353 if (DEBUG_ANIM) Slog.v( 354 TAG, "Starting animation in " + this + 355 " @ " + currentTime + ": ww=" + mWin.mFrame.width() + 356 " wh=" + mWin.mFrame.height() + 357 " dx=" + mAnimDx + " dy=" + mAnimDy + 358 " scale=" + mService.getWindowAnimationScaleLocked()); 359 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 360 if (mAnimateMove) { 361 mAnimateMove = false; 362 mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), 363 mAnimDx, mAnimDy); 364 } else { 365 mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), 366 displayInfo.appWidth, displayInfo.appHeight); 367 } 368 mAnimDx = displayInfo.appWidth; 369 mAnimDy = displayInfo.appHeight; 370 mAnimation.setStartTime(mAnimationStartTime != -1 371 ? mAnimationStartTime 372 : currentTime); 373 mLocalAnimating = true; 374 mAnimating = true; 375 } 376 if ((mAnimation != null) && mLocalAnimating) { 377 mLastAnimationTime = currentTime; 378 if (stepAnimation(currentTime)) { 379 return true; 380 } 381 } 382 if (DEBUG_ANIM) Slog.v( 383 TAG, "Finished animation in " + this + 384 " @ " + currentTime); 385 //WindowManagerService.this.dump(); 386 } 387 mHasLocalTransformation = false; 388 if ((!mLocalAnimating || mAnimationIsEntrance) && mAppAnimator != null 389 && mAppAnimator.animation != null) { 390 // When our app token is animating, we kind-of pretend like 391 // we are as well. Note the mLocalAnimating mAnimationIsEntrance 392 // part of this check means that we will only do this if 393 // our window is not currently exiting, or it is not 394 // locally animating itself. The idea being that one that 395 // is exiting and doing a local animation should be removed 396 // once that animation is done. 397 mAnimating = true; 398 mHasTransformation = true; 399 mTransformation.clear(); 400 return false; 401 } else if (mHasTransformation) { 402 // Little trick to get through the path below to act like 403 // we have finished an animation. 404 mAnimating = true; 405 } else if (isAnimating()) { 406 mAnimating = true; 407 } 408 } else if (mAnimation != null) { 409 // If the display is frozen, and there is a pending animation, 410 // clear it and make sure we run the cleanup code. 411 mAnimating = true; 412 } 413 414 if (!mAnimating && !mLocalAnimating) { 415 return false; 416 } 417 418 // Done animating, clean up. 419 if (DEBUG_ANIM) Slog.v( 420 TAG, "Animation done in " + this + ": exiting=" + mWin.mAnimatingExit 421 + ", reportedVisible=" 422 + (mWin.mAppToken != null ? mWin.mAppToken.reportedVisible : false)); 423 424 mAnimating = false; 425 mKeyguardGoingAwayAnimation = false; 426 mKeyguardGoingAwayWithWallpaper = false; 427 mLocalAnimating = false; 428 if (mAnimation != null) { 429 mAnimation.cancel(); 430 mAnimation = null; 431 } 432 if (mAnimator.mWindowDetachedWallpaper == mWin) { 433 mAnimator.mWindowDetachedWallpaper = null; 434 } 435 mAnimLayer = mWin.mLayer 436 + mService.mLayersController.getSpecialWindowAnimLayerAdjustment(mWin); 437 if (DEBUG_LAYERS) Slog.v(TAG, "Stepping win " + this + " anim layer: " + mAnimLayer); 438 mHasTransformation = false; 439 mHasLocalTransformation = false; 440 mStackClip = STACK_CLIP_BEFORE_ANIM; 441 mWin.checkPolicyVisibilityChange(); 442 mTransformation.clear(); 443 if (mDrawState == HAS_DRAWN 444 && mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING 445 && mWin.mAppToken != null 446 && mWin.mAppToken.firstWindowDrawn 447 && mWin.mAppToken.startingData != null) { 448 if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Finish starting " 449 + mWin.mToken + ": first real window done animating"); 450 mService.mFinishedStarting.add(mWin.mAppToken); 451 mService.mH.sendEmptyMessage(H.FINISHED_STARTING); 452 } else if (mAttrType == LayoutParams.TYPE_STATUS_BAR && mWin.mPolicyVisibility) { 453 // Upon completion of a not-visible to visible status bar animation a relayout is 454 // required. 455 if (displayContent != null) { 456 displayContent.layoutNeeded = true; 457 } 458 } 459 460 finishExit(); 461 final int displayId = mWin.getDisplayId(); 462 mAnimator.setPendingLayoutChanges(displayId, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 463 if (DEBUG_LAYOUT_REPEATS) 464 mService.mWindowPlacerLocked.debugLayoutRepeats( 465 "WindowStateAnimator", mAnimator.getPendingLayoutChanges(displayId)); 466 467 if (mWin.mAppToken != null) { 468 mWin.mAppToken.updateReportedVisibilityLocked(); 469 } 470 471 return false; 472 } 473 474 void finishExit() { 475 if (DEBUG_ANIM) Slog.v( 476 TAG, "finishExit in " + this 477 + ": exiting=" + mWin.mAnimatingExit 478 + " remove=" + mWin.mRemoveOnExit 479 + " windowAnimating=" + isWindowAnimating()); 480 481 if (!mWin.mChildWindows.isEmpty()) { 482 // Copying to a different list as multiple children can be removed. 483 final WindowList childWindows = new WindowList(mWin.mChildWindows); 484 for (int i = childWindows.size() - 1; i >= 0; i--) { 485 childWindows.get(i).mWinAnimator.finishExit(); 486 } 487 } 488 489 if (mEnteringAnimation) { 490 mEnteringAnimation = false; 491 mService.requestTraversal(); 492 // System windows don't have an activity and an app token as a result, but need a way 493 // to be informed about their entrance animation end. 494 if (mWin.mAppToken == null) { 495 try { 496 mWin.mClient.dispatchWindowShown(); 497 } catch (RemoteException e) { 498 } 499 } 500 } 501 502 if (!isWindowAnimating()) { 503 //TODO (multidisplay): Accessibility is supported only for the default display. 504 if (mService.mAccessibilityController != null 505 && mWin.getDisplayId() == DEFAULT_DISPLAY) { 506 mService.mAccessibilityController.onSomeWindowResizedOrMovedLocked(); 507 } 508 } 509 510 if (!mWin.mAnimatingExit) { 511 return; 512 } 513 514 if (isWindowAnimating()) { 515 return; 516 } 517 518 if (WindowManagerService.localLOGV || DEBUG_ADD_REMOVE) Slog.v(TAG, 519 "Exit animation finished in " + this + ": remove=" + mWin.mRemoveOnExit); 520 521 522 mWin.mDestroying = true; 523 524 final boolean hasSurface = hasSurface(); 525 if (hasSurface) { 526 hide("finishExit"); 527 } 528 529 // If we have an app token, we ask it to destroy the surface for us, 530 // so that it can take care to ensure the activity has actually stopped 531 // and the surface is not still in use. Otherwise we add the service to 532 // mDestroySurface and allow it to be processed in our next transaction. 533 if (mWin.mAppToken != null) { 534 mWin.mAppToken.destroySurfaces(); 535 } else { 536 if (hasSurface) { 537 mService.mDestroySurface.add(mWin); 538 } 539 if (mWin.mRemoveOnExit) { 540 mService.mPendingRemove.add(mWin); 541 mWin.mRemoveOnExit = false; 542 } 543 } 544 mWin.mAnimatingExit = false; 545 mWallpaperControllerLocked.hideWallpapers(mWin); 546 } 547 548 void hide(String reason) { 549 if (!mLastHidden) { 550 //dump(); 551 mLastHidden = true; 552 if (mSurfaceController != null) { 553 mSurfaceController.hideInTransaction(reason); 554 } 555 } 556 } 557 558 boolean finishDrawingLocked() { 559 final boolean startingWindow = 560 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING; 561 if (DEBUG_STARTING_WINDOW && startingWindow) { 562 Slog.v(TAG, "Finishing drawing window " + mWin + ": mDrawState=" 563 + drawStateToString()); 564 } 565 if (mWin.mAppToken != null && mWin.mAppToken.mAnimatingWithSavedSurface) { 566 // App has drawn something to its windows, we're no longer animating with 567 // the saved surfaces. If the user exits now, we only want to save again 568 // if allDrawn is true. 569 if (DEBUG_ANIM) Slog.d(TAG, 570 "finishDrawingLocked: mAnimatingWithSavedSurface=false " + mWin); 571 mWin.mAppToken.mAnimatingWithSavedSurface = false; 572 } 573 if (mDrawState == DRAW_PENDING) { 574 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM || SHOW_TRANSACTIONS || DEBUG_ORIENTATION) 575 Slog.v(TAG, "finishDrawingLocked: mDrawState=COMMIT_DRAW_PENDING " + mWin + " in " 576 + mSurfaceController); 577 if (DEBUG_STARTING_WINDOW && startingWindow) { 578 Slog.v(TAG, "Draw state now committed in " + mWin); 579 } 580 mDrawState = COMMIT_DRAW_PENDING; 581 return true; 582 } 583 584 return false; 585 } 586 587 // This must be called while inside a transaction. 588 boolean commitFinishDrawingLocked() { 589 if (DEBUG_STARTING_WINDOW && 590 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) { 591 Slog.i(TAG, "commitFinishDrawingLocked: " + mWin + " cur mDrawState=" 592 + drawStateToString()); 593 } 594 if (mDrawState != COMMIT_DRAW_PENDING && mDrawState != READY_TO_SHOW) { 595 return false; 596 } 597 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) { 598 Slog.i(TAG, "commitFinishDrawingLocked: mDrawState=READY_TO_SHOW " + mSurfaceController); 599 } 600 mDrawState = READY_TO_SHOW; 601 boolean result = false; 602 final AppWindowToken atoken = mWin.mAppToken; 603 if (atoken == null || atoken.allDrawn || mWin.mAttrs.type == TYPE_APPLICATION_STARTING) { 604 result = performShowLocked(); 605 } 606 return result; 607 } 608 609 void preserveSurfaceLocked() { 610 if (mDestroyPreservedSurfaceUponRedraw) { 611 // This could happen when switching the surface mode very fast. For example, 612 // we preserved a surface when dragResizing changed to true. Then before the 613 // preserved surface is removed, dragResizing changed to false again. 614 // In this case, we need to leave the preserved surface alone, and destroy 615 // the actual surface, so that the createSurface call could create a surface 616 // of the proper size. The preserved surface will still be removed when client 617 // finishes drawing to the new surface. 618 mSurfaceDestroyDeferred = false; 619 destroySurfaceLocked(); 620 mSurfaceDestroyDeferred = true; 621 return; 622 } 623 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin, "SET FREEZE LAYER", false); 624 if (mSurfaceController != null) { 625 mSurfaceController.setLayer(mAnimLayer + 1); 626 } 627 mDestroyPreservedSurfaceUponRedraw = true; 628 mSurfaceDestroyDeferred = true; 629 destroySurfaceLocked(); 630 } 631 632 void destroyPreservedSurfaceLocked() { 633 if (!mDestroyPreservedSurfaceUponRedraw) { 634 return; 635 } 636 destroyDeferredSurfaceLocked(); 637 mDestroyPreservedSurfaceUponRedraw = false; 638 } 639 640 WindowSurfaceController createSurfaceLocked() { 641 final WindowState w = mWin; 642 if (w.hasSavedSurface()) { 643 if (DEBUG_ANIM) Slog.i(TAG, 644 "createSurface: " + this + ": called when we had a saved surface"); 645 w.restoreSavedSurface(); 646 return mSurfaceController; 647 } 648 649 if (mSurfaceController != null) { 650 return mSurfaceController; 651 } 652 653 w.setHasSurface(false); 654 655 if (DEBUG_ANIM || DEBUG_ORIENTATION) Slog.i(TAG, 656 "createSurface " + this + ": mDrawState=DRAW_PENDING"); 657 658 mDrawState = DRAW_PENDING; 659 if (w.mAppToken != null) { 660 if (w.mAppToken.mAppAnimator.animation == null) { 661 w.mAppToken.allDrawn = false; 662 w.mAppToken.deferClearAllDrawn = false; 663 } else { 664 // Currently animating, persist current state of allDrawn until animation 665 // is complete. 666 w.mAppToken.deferClearAllDrawn = true; 667 } 668 } 669 670 mService.makeWindowFreezingScreenIfNeededLocked(w); 671 672 int flags = SurfaceControl.HIDDEN; 673 final WindowManager.LayoutParams attrs = w.mAttrs; 674 675 if (mService.isSecureLocked(w)) { 676 flags |= SurfaceControl.SECURE; 677 } 678 679 mTmpSize.set(w.mFrame.left + w.mXOffset, w.mFrame.top + w.mYOffset, 0, 0); 680 calculateSurfaceBounds(w, attrs); 681 final int width = mTmpSize.width(); 682 final int height = mTmpSize.height(); 683 684 if (DEBUG_VISIBILITY) { 685 Slog.v(TAG, "Creating surface in session " 686 + mSession.mSurfaceSession + " window " + this 687 + " w=" + width + " h=" + height 688 + " x=" + mTmpSize.left + " y=" + mTmpSize.top 689 + " format=" + attrs.format + " flags=" + flags); 690 } 691 692 // We may abort, so initialize to defaults. 693 mLastSystemDecorRect.set(0, 0, 0, 0); 694 mHasClipRect = false; 695 mClipRect.set(0, 0, 0, 0); 696 mLastClipRect.set(0, 0, 0, 0); 697 698 // Set up surface control with initial size. 699 try { 700 701 final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0; 702 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format; 703 if (!PixelFormat.formatHasAlpha(attrs.format) 704 // Don't make surface with surfaceInsets opaque as they display a 705 // translucent shadow. 706 && attrs.surfaceInsets.left == 0 707 && attrs.surfaceInsets.top == 0 708 && attrs.surfaceInsets.right == 0 709 && attrs.surfaceInsets.bottom == 0 710 // Don't make surface opaque when resizing to reduce the amount of 711 // artifacts shown in areas the app isn't drawing content to. 712 && !w.isDragResizing()) { 713 flags |= SurfaceControl.OPAQUE; 714 } 715 716 mSurfaceController = new WindowSurfaceController(mSession.mSurfaceSession, 717 attrs.getTitle().toString(), 718 width, height, format, flags, this); 719 720 w.setHasSurface(true); 721 722 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 723 Slog.i(TAG, " CREATE SURFACE " 724 + mSurfaceController + " IN SESSION " 725 + mSession.mSurfaceSession 726 + ": pid=" + mSession.mPid + " format=" 727 + attrs.format + " flags=0x" 728 + Integer.toHexString(flags) 729 + " / " + this); 730 } 731 } catch (OutOfResourcesException e) { 732 Slog.w(TAG, "OutOfResourcesException creating surface"); 733 mService.reclaimSomeSurfaceMemoryLocked(this, "create", true); 734 mDrawState = NO_SURFACE; 735 return null; 736 } catch (Exception e) { 737 Slog.e(TAG, "Exception creating surface", e); 738 mDrawState = NO_SURFACE; 739 return null; 740 } 741 742 if (WindowManagerService.localLOGV) Slog.v(TAG, "Got surface: " + mSurfaceController 743 + ", set left=" + w.mFrame.left + " top=" + w.mFrame.top 744 + ", animLayer=" + mAnimLayer); 745 746 if (SHOW_LIGHT_TRANSACTIONS) { 747 Slog.i(TAG, ">>> OPEN TRANSACTION createSurfaceLocked"); 748 WindowManagerService.logSurface(w, "CREATE pos=(" 749 + w.mFrame.left + "," + w.mFrame.top + ") (" 750 + width + "x" + height + "), layer=" + mAnimLayer + " HIDE", false); 751 } 752 753 // Start a new transaction and apply position & offset. 754 final int layerStack = w.getDisplayContent().getDisplay().getLayerStack(); 755 mSurfaceController.setPositionAndLayer(mTmpSize.left, mTmpSize.top, layerStack, mAnimLayer); 756 mLastHidden = true; 757 758 if (WindowManagerService.localLOGV) Slog.v(TAG, "Created surface " + this); 759 return mSurfaceController; 760 } 761 762 private void calculateSurfaceBounds(WindowState w, LayoutParams attrs) { 763 if ((attrs.flags & FLAG_SCALED) != 0) { 764 // For a scaled surface, we always want the requested size. 765 mTmpSize.right = mTmpSize.left + w.mRequestedWidth; 766 mTmpSize.bottom = mTmpSize.top + w.mRequestedHeight; 767 } else { 768 // When we're doing a drag-resizing, request a surface that's fullscreen size, 769 // so that we don't need to reallocate during the process. This also prevents 770 // buffer drops due to size mismatch. 771 if (w.isDragResizing()) { 772 if (w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM) { 773 mTmpSize.left = 0; 774 mTmpSize.top = 0; 775 } 776 final DisplayInfo displayInfo = w.getDisplayInfo(); 777 mTmpSize.right = mTmpSize.left + displayInfo.logicalWidth; 778 mTmpSize.bottom = mTmpSize.top + displayInfo.logicalHeight; 779 } else { 780 mTmpSize.right = mTmpSize.left + w.mCompatFrame.width(); 781 mTmpSize.bottom = mTmpSize.top + w.mCompatFrame.height(); 782 } 783 } 784 785 // Something is wrong and SurfaceFlinger will not like this, try to revert to sane values. 786 // This doesn't necessarily mean that there is an error in the system. The sizes might be 787 // incorrect, because it is before the first layout or draw. 788 if (mTmpSize.width() < 1) { 789 mTmpSize.right = mTmpSize.left + 1; 790 } 791 if (mTmpSize.height() < 1) { 792 mTmpSize.bottom = mTmpSize.top + 1; 793 } 794 795 final int displayId = w.getDisplayId(); 796 float scale = 1.0f; 797 // Magnification is supported only for the default display. 798 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 799 final MagnificationSpec spec = 800 mService.mAccessibilityController.getMagnificationSpecForWindowLocked(w); 801 if (spec != null && !spec.isNop()) { 802 scale = spec.scale; 803 } 804 } 805 806 // Adjust for surface insets. 807 mTmpSize.left -= scale * attrs.surfaceInsets.left; 808 mTmpSize.top -= scale * attrs.surfaceInsets.top; 809 mTmpSize.right += scale * (attrs.surfaceInsets.left + attrs.surfaceInsets.right); 810 mTmpSize.bottom += scale * (attrs.surfaceInsets.top + attrs.surfaceInsets.bottom); 811 } 812 813 boolean hasSurface() { 814 return !mWin.mSurfaceSaved 815 && mSurfaceController != null && mSurfaceController.hasSurface(); 816 } 817 818 void destroySurfaceLocked() { 819 final AppWindowToken wtoken = mWin.mAppToken; 820 if (wtoken != null) { 821 wtoken.mAnimatingWithSavedSurface = false; 822 if (mWin == wtoken.startingWindow) { 823 wtoken.startingDisplayed = false; 824 } 825 } 826 827 mWin.mSurfaceSaved = false; 828 829 if (mSurfaceController == null) { 830 return; 831 } 832 833 int i = mWin.mChildWindows.size(); 834 // When destroying a surface we want to make sure child windows are hidden. If we are 835 // preserving the surface until redraw though we intend to swap it out with another surface 836 // for resizing. In this case the window always remains visible to the user and the child 837 // windows should likewise remain visible. 838 while (!mDestroyPreservedSurfaceUponRedraw && i > 0) { 839 i--; 840 WindowState c = mWin.mChildWindows.get(i); 841 c.mAttachedHidden = true; 842 } 843 844 try { 845 if (DEBUG_VISIBILITY) logWithStack(TAG, "Window " + this + " destroying surface " 846 + mSurfaceController + ", session " + mSession); 847 if (mSurfaceDestroyDeferred) { 848 if (mSurfaceController != null && mPendingDestroySurface != mSurfaceController) { 849 if (mPendingDestroySurface != null) { 850 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 851 WindowManagerService.logSurface(mWin, "DESTROY PENDING", true); 852 } 853 mPendingDestroySurface.destroyInTransaction(); 854 } 855 mPendingDestroySurface = mSurfaceController; 856 } 857 } else { 858 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 859 WindowManagerService.logSurface(mWin, "DESTROY", true); 860 } 861 destroySurface(); 862 } 863 // Don't hide wallpaper if we're deferring the surface destroy 864 // because of a surface change. 865 if (!mDestroyPreservedSurfaceUponRedraw) { 866 mWallpaperControllerLocked.hideWallpapers(mWin); 867 } 868 } catch (RuntimeException e) { 869 Slog.w(TAG, "Exception thrown when destroying Window " + this 870 + " surface " + mSurfaceController + " session " + mSession + ": " + e.toString()); 871 } 872 873 // Whether the surface was preserved (and copied to mPendingDestroySurface) or not, it 874 // needs to be cleared to match the WindowState.mHasSurface state. It is also necessary 875 // so it can be recreated successfully in mPendingDestroySurface case. 876 mWin.setHasSurface(false); 877 if (mSurfaceController != null) { 878 mSurfaceController.setShown(false); 879 } 880 mSurfaceController = null; 881 mDrawState = NO_SURFACE; 882 } 883 884 void destroyDeferredSurfaceLocked() { 885 try { 886 if (mPendingDestroySurface != null) { 887 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) { 888 WindowManagerService.logSurface(mWin, "DESTROY PENDING", true); 889 } 890 mPendingDestroySurface.destroyInTransaction(); 891 // Don't hide wallpaper if we're destroying a deferred surface 892 // after a surface mode change. 893 if (!mDestroyPreservedSurfaceUponRedraw) { 894 mWallpaperControllerLocked.hideWallpapers(mWin); 895 } 896 } 897 } catch (RuntimeException e) { 898 Slog.w(TAG, "Exception thrown when destroying Window " 899 + this + " surface " + mPendingDestroySurface 900 + " session " + mSession + ": " + e.toString()); 901 } 902 mSurfaceDestroyDeferred = false; 903 mPendingDestroySurface = null; 904 } 905 906 void computeShownFrameLocked() { 907 final boolean selfTransformation = mHasLocalTransformation; 908 Transformation attachedTransformation = 909 (mAttachedWinAnimator != null && mAttachedWinAnimator.mHasLocalTransformation) 910 ? mAttachedWinAnimator.mTransformation : null; 911 Transformation appTransformation = (mAppAnimator != null && mAppAnimator.hasTransformation) 912 ? mAppAnimator.transformation : null; 913 914 // Wallpapers are animated based on the "real" window they 915 // are currently targeting. 916 final WindowState wallpaperTarget = mWallpaperControllerLocked.getWallpaperTarget(); 917 if (mIsWallpaper && wallpaperTarget != null && mService.mAnimateWallpaperWithTarget) { 918 final WindowStateAnimator wallpaperAnimator = wallpaperTarget.mWinAnimator; 919 if (wallpaperAnimator.mHasLocalTransformation && 920 wallpaperAnimator.mAnimation != null && 921 !wallpaperAnimator.mAnimation.getDetachWallpaper()) { 922 attachedTransformation = wallpaperAnimator.mTransformation; 923 if (DEBUG_WALLPAPER && attachedTransformation != null) { 924 Slog.v(TAG, "WP target attached xform: " + attachedTransformation); 925 } 926 } 927 final AppWindowAnimator wpAppAnimator = wallpaperTarget.mAppToken == null ? 928 null : wallpaperTarget.mAppToken.mAppAnimator; 929 if (wpAppAnimator != null && wpAppAnimator.hasTransformation 930 && wpAppAnimator.animation != null 931 && !wpAppAnimator.animation.getDetachWallpaper()) { 932 appTransformation = wpAppAnimator.transformation; 933 if (DEBUG_WALLPAPER && appTransformation != null) { 934 Slog.v(TAG, "WP target app xform: " + appTransformation); 935 } 936 } 937 } 938 939 final int displayId = mWin.getDisplayId(); 940 final ScreenRotationAnimation screenRotationAnimation = 941 mAnimator.getScreenRotationAnimationLocked(displayId); 942 final boolean screenAnimation = 943 screenRotationAnimation != null && screenRotationAnimation.isAnimating(); 944 945 mHasClipRect = false; 946 if (selfTransformation || attachedTransformation != null 947 || appTransformation != null || screenAnimation) { 948 // cache often used attributes locally 949 final Rect frame = mWin.mFrame; 950 final float tmpFloats[] = mService.mTmpFloats; 951 final Matrix tmpMatrix = mWin.mTmpMatrix; 952 953 // Compute the desired transformation. 954 if (screenAnimation && screenRotationAnimation.isRotating()) { 955 // If we are doing a screen animation, the global rotation 956 // applied to windows can result in windows that are carefully 957 // aligned with each other to slightly separate, allowing you 958 // to see what is behind them. An unsightly mess. This... 959 // thing... magically makes it call good: scale each window 960 // slightly (two pixels larger in each dimension, from the 961 // window's center). 962 final float w = frame.width(); 963 final float h = frame.height(); 964 if (w>=1 && h>=1) { 965 tmpMatrix.setScale(1 + 2/w, 1 + 2/h, w/2, h/2); 966 } else { 967 tmpMatrix.reset(); 968 } 969 } else { 970 tmpMatrix.reset(); 971 } 972 tmpMatrix.postScale(mWin.mGlobalScale, mWin.mGlobalScale); 973 if (selfTransformation) { 974 tmpMatrix.postConcat(mTransformation.getMatrix()); 975 } 976 if (attachedTransformation != null) { 977 tmpMatrix.postConcat(attachedTransformation.getMatrix()); 978 } 979 if (appTransformation != null) { 980 tmpMatrix.postConcat(appTransformation.getMatrix()); 981 } 982 983 // The translation that applies the position of the window needs to be applied at the 984 // end in case that other translations include scaling. Otherwise the scaling will 985 // affect this translation. But it needs to be set before the screen rotation animation 986 // so the pivot point is at the center of the screen for all windows. 987 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 988 if (screenAnimation) { 989 tmpMatrix.postConcat(screenRotationAnimation.getEnterTransformation().getMatrix()); 990 } 991 992 //TODO (multidisplay): Magnification is supported only for the default display. 993 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 994 MagnificationSpec spec = mService.mAccessibilityController 995 .getMagnificationSpecForWindowLocked(mWin); 996 if (spec != null && !spec.isNop()) { 997 tmpMatrix.postScale(spec.scale, spec.scale); 998 tmpMatrix.postTranslate(spec.offsetX, spec.offsetY); 999 } 1000 } 1001 1002 // "convert" it into SurfaceFlinger's format 1003 // (a 2x2 matrix + an offset) 1004 // Here we must not transform the position of the surface 1005 // since it is already included in the transformation. 1006 //Slog.i(TAG_WM, "Transform: " + matrix); 1007 1008 mHaveMatrix = true; 1009 tmpMatrix.getValues(tmpFloats); 1010 mDsDx = tmpFloats[Matrix.MSCALE_X]; 1011 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 1012 mDsDy = tmpFloats[Matrix.MSKEW_X]; 1013 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 1014 float x = tmpFloats[Matrix.MTRANS_X]; 1015 float y = tmpFloats[Matrix.MTRANS_Y]; 1016 mWin.mShownPosition.set((int) x, (int) y); 1017 1018 // Now set the alpha... but because our current hardware 1019 // can't do alpha transformation on a non-opaque surface, 1020 // turn it off if we are running an animation that is also 1021 // transforming since it is more important to have that 1022 // animation be smooth. 1023 mShownAlpha = mAlpha; 1024 if (!mService.mLimitedAlphaCompositing 1025 || (!PixelFormat.formatHasAlpha(mWin.mAttrs.format) 1026 || (mWin.isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy) 1027 && x == frame.left && y == frame.top))) { 1028 //Slog.i(TAG_WM, "Applying alpha transform"); 1029 if (selfTransformation) { 1030 mShownAlpha *= mTransformation.getAlpha(); 1031 } 1032 if (attachedTransformation != null) { 1033 mShownAlpha *= attachedTransformation.getAlpha(); 1034 } 1035 if (appTransformation != null) { 1036 mShownAlpha *= appTransformation.getAlpha(); 1037 if (appTransformation.hasClipRect()) { 1038 mClipRect.set(appTransformation.getClipRect()); 1039 mHasClipRect = true; 1040 // The app transformation clip will be in the coordinate space of the main 1041 // activity window, which the animation correctly assumes will be placed at 1042 // (0,0)+(insets) relative to the containing frame. This isn't necessarily 1043 // true for child windows though which can have an arbitrary frame position 1044 // relative to their containing frame. We need to offset the difference 1045 // between the containing frame as used to calculate the crop and our 1046 // bounds to compensate for this. 1047 if (mWin.layoutInParentFrame()) { 1048 mClipRect.offset( (mWin.mContainingFrame.left - mWin.mFrame.left), 1049 mWin.mContainingFrame.top - mWin.mFrame.top ); 1050 } 1051 } 1052 } 1053 if (screenAnimation) { 1054 mShownAlpha *= screenRotationAnimation.getEnterTransformation().getAlpha(); 1055 } 1056 } else { 1057 //Slog.i(TAG_WM, "Not applying alpha transform"); 1058 } 1059 1060 if ((DEBUG_SURFACE_TRACE || WindowManagerService.localLOGV) 1061 && (mShownAlpha == 1.0 || mShownAlpha == 0.0)) Slog.v( 1062 TAG, "computeShownFrameLocked: Animating " + this + " mAlpha=" + mAlpha 1063 + " self=" + (selfTransformation ? mTransformation.getAlpha() : "null") 1064 + " attached=" + (attachedTransformation == null ? 1065 "null" : attachedTransformation.getAlpha()) 1066 + " app=" + (appTransformation == null ? "null" : appTransformation.getAlpha()) 1067 + " screen=" + (screenAnimation ? 1068 screenRotationAnimation.getEnterTransformation().getAlpha() : "null")); 1069 return; 1070 } else if (mIsWallpaper && mService.mWindowPlacerLocked.mWallpaperActionPending) { 1071 return; 1072 } else if (mWin.isDragResizeChanged()) { 1073 // This window is awaiting a relayout because user just started (or ended) 1074 // drag-resizing. The shown frame (which affects surface size and pos) 1075 // should not be updated until we get next finished draw with the new surface. 1076 // Otherwise one or two frames rendered with old settings would be displayed 1077 // with new geometry. 1078 return; 1079 } 1080 1081 if (WindowManagerService.localLOGV) Slog.v( 1082 TAG, "computeShownFrameLocked: " + this + 1083 " not attached, mAlpha=" + mAlpha); 1084 1085 MagnificationSpec spec = null; 1086 //TODO (multidisplay): Magnification is supported only for the default display. 1087 if (mService.mAccessibilityController != null && displayId == DEFAULT_DISPLAY) { 1088 spec = mService.mAccessibilityController.getMagnificationSpecForWindowLocked(mWin); 1089 } 1090 if (spec != null) { 1091 final Rect frame = mWin.mFrame; 1092 final float tmpFloats[] = mService.mTmpFloats; 1093 final Matrix tmpMatrix = mWin.mTmpMatrix; 1094 1095 tmpMatrix.setScale(mWin.mGlobalScale, mWin.mGlobalScale); 1096 tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset); 1097 1098 if (spec != null && !spec.isNop()) { 1099 tmpMatrix.postScale(spec.scale, spec.scale); 1100 tmpMatrix.postTranslate(spec.offsetX, spec.offsetY); 1101 } 1102 1103 tmpMatrix.getValues(tmpFloats); 1104 1105 mHaveMatrix = true; 1106 mDsDx = tmpFloats[Matrix.MSCALE_X]; 1107 mDtDx = tmpFloats[Matrix.MSKEW_Y]; 1108 mDsDy = tmpFloats[Matrix.MSKEW_X]; 1109 mDtDy = tmpFloats[Matrix.MSCALE_Y]; 1110 float x = tmpFloats[Matrix.MTRANS_X]; 1111 float y = tmpFloats[Matrix.MTRANS_Y]; 1112 mWin.mShownPosition.set((int) x, (int) y); 1113 1114 mShownAlpha = mAlpha; 1115 } else { 1116 mWin.mShownPosition.set(mWin.mFrame.left, mWin.mFrame.top); 1117 if (mWin.mXOffset != 0 || mWin.mYOffset != 0) { 1118 mWin.mShownPosition.offset(mWin.mXOffset, mWin.mYOffset); 1119 } 1120 mShownAlpha = mAlpha; 1121 mHaveMatrix = false; 1122 mDsDx = mWin.mGlobalScale; 1123 mDtDx = 0; 1124 mDsDy = 0; 1125 mDtDy = mWin.mGlobalScale; 1126 } 1127 } 1128 1129 private void calculateSystemDecorRect() { 1130 final WindowState w = mWin; 1131 final Rect decorRect = w.mDecorFrame; 1132 final int width = w.mFrame.width(); 1133 final int height = w.mFrame.height(); 1134 1135 // Compute the offset of the window in relation to the decor rect. 1136 final int left = w.mXOffset + w.mFrame.left; 1137 final int top = w.mYOffset + w.mFrame.top; 1138 1139 // Initialize the decor rect to the entire frame. 1140 if (w.isDockedResizing() || 1141 (w.isChildWindow() && w.mAttachedWindow.isDockedResizing())) { 1142 1143 // If we are resizing with the divider, the task bounds might be smaller than the 1144 // stack bounds. The system decor is used to clip to the task bounds, which we don't 1145 // want in this case in order to avoid holes. 1146 // 1147 // We take care to not shrink the width, for surfaces which are larger than 1148 // the display region. Of course this area will not eventually be visible 1149 // but if we truncate the width now, we will calculate incorrectly 1150 // when adjusting to the stack bounds. 1151 final DisplayInfo displayInfo = w.getDisplayContent().getDisplayInfo(); 1152 mSystemDecorRect.set(0, 0, 1153 Math.max(width, displayInfo.logicalWidth), 1154 Math.max(height, displayInfo.logicalHeight)); 1155 } else { 1156 mSystemDecorRect.set(0, 0, width, height); 1157 } 1158 1159 // If a freeform window is animating from a position where it would be cutoff, it would be 1160 // cutoff during the animation. We don't want that, so for the duration of the animation 1161 // we ignore the decor cropping and depend on layering to position windows correctly. 1162 final boolean cropToDecor = !(w.inFreeformWorkspace() && w.isAnimatingLw()); 1163 if (cropToDecor) { 1164 // Intersect with the decor rect, offsetted by window position. 1165 mSystemDecorRect.intersect(decorRect.left - left, decorRect.top - top, 1166 decorRect.right - left, decorRect.bottom - top); 1167 } 1168 1169 // If size compatibility is being applied to the window, the 1170 // surface is scaled relative to the screen. Also apply this 1171 // scaling to the crop rect. We aren't using the standard rect 1172 // scale function because we want to round things to make the crop 1173 // always round to a larger rect to ensure we don't crop too 1174 // much and hide part of the window that should be seen. 1175 if (w.mEnforceSizeCompat && w.mInvGlobalScale != 1.0f) { 1176 final float scale = w.mInvGlobalScale; 1177 mSystemDecorRect.left = (int) (mSystemDecorRect.left * scale - 0.5f); 1178 mSystemDecorRect.top = (int) (mSystemDecorRect.top * scale - 0.5f); 1179 mSystemDecorRect.right = (int) ((mSystemDecorRect.right + 1) * scale - 0.5f); 1180 mSystemDecorRect.bottom = (int) ((mSystemDecorRect.bottom + 1) * scale - 0.5f); 1181 } 1182 } 1183 1184 void calculateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect) { 1185 final WindowState w = mWin; 1186 final DisplayContent displayContent = w.getDisplayContent(); 1187 if (displayContent == null) { 1188 clipRect.setEmpty(); 1189 finalClipRect.setEmpty(); 1190 return; 1191 } 1192 final DisplayInfo displayInfo = displayContent.getDisplayInfo(); 1193 if (DEBUG_WINDOW_CROP) Slog.d(TAG, 1194 "Updating crop win=" + w + " mLastCrop=" + mLastClipRect); 1195 1196 // Need to recompute a new system decor rect each time. 1197 if (!w.isDefaultDisplay()) { 1198 // On a different display there is no system decor. Crop the window 1199 // by the screen boundaries. 1200 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1201 mSystemDecorRect.intersect(-w.mCompatFrame.left, -w.mCompatFrame.top, 1202 displayInfo.logicalWidth - w.mCompatFrame.left, 1203 displayInfo.logicalHeight - w.mCompatFrame.top); 1204 } else if (w.mLayer >= mService.mSystemDecorLayer) { 1205 // Above the decor layer is easy, just use the entire window. 1206 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1207 } else if (w.mDecorFrame.isEmpty()) { 1208 // Windows without policy decor aren't cropped. 1209 mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height()); 1210 } else if (w.mAttrs.type == LayoutParams.TYPE_WALLPAPER && mAnimator.isAnimating()) { 1211 // If we're animating, the wallpaper crop should only be updated at the end of the 1212 // animation. 1213 mTmpClipRect.set(mSystemDecorRect); 1214 calculateSystemDecorRect(); 1215 mSystemDecorRect.union(mTmpClipRect); 1216 } else { 1217 // Crop to the system decor specified by policy. 1218 calculateSystemDecorRect(); 1219 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "Applying decor to crop win=" + w + " mDecorFrame=" 1220 + w.mDecorFrame + " mSystemDecorRect=" + mSystemDecorRect); 1221 } 1222 1223 final boolean fullscreen = w.isFrameFullscreen(displayInfo); 1224 final boolean isFreeformResizing = 1225 w.isDragResizing() && w.getResizeMode() == DRAG_RESIZE_MODE_FREEFORM; 1226 1227 // We use the clip rect as provided by the tranformation for non-fullscreen windows to 1228 // avoid premature clipping with the system decor rect. 1229 clipRect.set((mHasClipRect && !fullscreen) ? mClipRect : mSystemDecorRect); 1230 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "win=" + w + " Initial clip rect: " + clipRect 1231 + " mHasClipRect=" + mHasClipRect + " fullscreen=" + fullscreen); 1232 1233 if (isFreeformResizing && !w.isChildWindow()) { 1234 // For freeform resizing non child windows, we are using the big surface positioned 1235 // at 0,0. Thus we must express the crop in that coordinate space. 1236 clipRect.offset(w.mShownPosition.x, w.mShownPosition.y); 1237 } 1238 1239 // Expand the clip rect for surface insets. 1240 final WindowManager.LayoutParams attrs = w.mAttrs; 1241 clipRect.left -= attrs.surfaceInsets.left; 1242 clipRect.top -= attrs.surfaceInsets.top; 1243 clipRect.right += attrs.surfaceInsets.right; 1244 clipRect.bottom += attrs.surfaceInsets.bottom; 1245 1246 if (mHasClipRect && fullscreen) { 1247 // We intersect the clip rect specified by the transformation with the expanded system 1248 // decor rect to prevent artifacts from drawing during animation if the transformation 1249 // clip rect extends outside the system decor rect. 1250 clipRect.intersect(mClipRect); 1251 } 1252 // The clip rect was generated assuming (0,0) as the window origin, 1253 // so we need to translate to match the actual surface coordinates. 1254 clipRect.offset(attrs.surfaceInsets.left, attrs.surfaceInsets.top); 1255 1256 finalClipRect.setEmpty(); 1257 adjustCropToStackBounds(w, clipRect, finalClipRect, isFreeformResizing); 1258 if (DEBUG_WINDOW_CROP) Slog.d(TAG, 1259 "win=" + w + " Clip rect after stack adjustment=" + clipRect); 1260 1261 w.transformFromScreenToSurfaceSpace(clipRect); 1262 1263 // See {@link WindowState#notifyMovedInStack} for why this is necessary. 1264 if (w.hasJustMovedInStack() && mLastClipRect.isEmpty() && !clipRect.isEmpty()) { 1265 clipRect.setEmpty(); 1266 } 1267 } 1268 1269 void updateSurfaceWindowCrop(Rect clipRect, Rect finalClipRect, boolean recoveringMemory) { 1270 if (DEBUG_WINDOW_CROP) Slog.d(TAG, "updateSurfaceWindowCrop: win=" + mWin 1271 + " clipRect=" + clipRect + " finalClipRect=" + finalClipRect); 1272 if (!clipRect.equals(mLastClipRect)) { 1273 mLastClipRect.set(clipRect); 1274 mSurfaceController.setCropInTransaction(clipRect, recoveringMemory); 1275 } 1276 if (!finalClipRect.equals(mLastFinalClipRect)) { 1277 mLastFinalClipRect.set(finalClipRect); 1278 mSurfaceController.setFinalCropInTransaction(finalClipRect); 1279 } 1280 } 1281 1282 private int resolveStackClip() { 1283 1284 // App animation overrides window animation stack clip mode. 1285 if (mAppAnimator != null && mAppAnimator.animation != null) { 1286 return mAppAnimator.getStackClip(); 1287 } else { 1288 return mStackClip; 1289 } 1290 } 1291 private void adjustCropToStackBounds(WindowState w, Rect clipRect, Rect finalClipRect, 1292 boolean isFreeformResizing) { 1293 final Task task = w.getTask(); 1294 if (task == null || !task.cropWindowsToStackBounds()) { 1295 return; 1296 } 1297 1298 final int stackClip = resolveStackClip(); 1299 1300 // It's animating and we don't want to clip it to stack bounds during animation - abort. 1301 if (isAnimating() && stackClip == STACK_CLIP_NONE) { 1302 return; 1303 } 1304 1305 final WindowState winShowWhenLocked = (WindowState) mPolicy.getWinShowWhenLockedLw(); 1306 if (w == winShowWhenLocked && mPolicy.isKeyguardShowingOrOccluded()) { 1307 return; 1308 } 1309 1310 final TaskStack stack = task.mStack; 1311 stack.getDimBounds(mTmpStackBounds); 1312 final Rect surfaceInsets = w.getAttrs().surfaceInsets; 1313 // When we resize we use the big surface approach, which means we can't trust the 1314 // window frame bounds anymore. Instead, the window will be placed at 0, 0, but to avoid 1315 // hardcoding it, we use surface coordinates. 1316 final int frameX = isFreeformResizing ? (int) mSurfaceController.getX() : 1317 w.mFrame.left + mWin.mXOffset - surfaceInsets.left; 1318 final int frameY = isFreeformResizing ? (int) mSurfaceController.getY() : 1319 w.mFrame.top + mWin.mYOffset - surfaceInsets.top; 1320 1321 // If we are animating, we either apply the clip before applying all the animation 1322 // transformation or after all the transformation. 1323 final boolean useFinalClipRect = isAnimating() && stackClip == STACK_CLIP_AFTER_ANIM; 1324 1325 // We need to do some acrobatics with surface position, because their clip region is 1326 // relative to the inside of the surface, but the stack bounds aren't. 1327 if (useFinalClipRect) { 1328 finalClipRect.set(mTmpStackBounds); 1329 } else { 1330 if (StackId.hasWindowShadow(stack.mStackId) 1331 && !StackId.isTaskResizeAllowed(stack.mStackId)) { 1332 // The windows in this stack display drop shadows and the fill the entire stack 1333 // area. Adjust the stack bounds we will use to cropping take into account the 1334 // offsets we use to display the drop shadow so it doesn't get cropped. 1335 mTmpStackBounds.inset(-surfaceInsets.left, -surfaceInsets.top, 1336 -surfaceInsets.right, -surfaceInsets.bottom); 1337 } 1338 1339 clipRect.left = Math.max(0, 1340 Math.max(mTmpStackBounds.left, frameX + clipRect.left) - frameX); 1341 clipRect.top = Math.max(0, 1342 Math.max(mTmpStackBounds.top, frameY + clipRect.top) - frameY); 1343 clipRect.right = Math.max(0, 1344 Math.min(mTmpStackBounds.right, frameX + clipRect.right) - frameX); 1345 clipRect.bottom = Math.max(0, 1346 Math.min(mTmpStackBounds.bottom, frameY + clipRect.bottom) - frameY); 1347 } 1348 } 1349 1350 void setSurfaceBoundariesLocked(final boolean recoveringMemory) { 1351 final WindowState w = mWin; 1352 final Task task = w.getTask(); 1353 1354 // We got resized, so block all updates until we got the new surface. 1355 if (w.mResizedWhileNotDragResizing && !w.isGoneForLayoutLw()) { 1356 return; 1357 } 1358 1359 mTmpSize.set(w.mShownPosition.x, w.mShownPosition.y, 0, 0); 1360 calculateSurfaceBounds(w, w.getAttrs()); 1361 1362 float extraHScale = (float) 1.0; 1363 float extraVScale = (float) 1.0; 1364 1365 calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect); 1366 if (task != null && task.mStack.getForceScaleToCrop()) { 1367 extraHScale = mTmpClipRect.width() / (float)mTmpSize.width(); 1368 extraVScale = mTmpClipRect.height() / (float)mTmpSize.height(); 1369 1370 // In the case of ForceScaleToCrop we scale entire tasks together, 1371 // and so we need to scale our offsets relative to the task bounds 1372 // or parent and child windows would fall out of alignment. 1373 int posX = (int) (mTmpSize.left - w.mAttrs.x * (1 - extraHScale)); 1374 int posY = (int) (mTmpSize.top - w.mAttrs.y * (1 - extraVScale)); 1375 posX += w.getAttrs().surfaceInsets.left * (1 - extraHScale); 1376 posY += w.getAttrs().surfaceInsets.top * (1 - extraVScale); 1377 mSurfaceController.setPositionInTransaction(posX, posY, recoveringMemory); 1378 1379 // Since we are scaled to fit in our previously desired crop, we can now 1380 // expose the whole window in buffer space, and not risk extending 1381 // past where the system would have cropped us 1382 mTmpClipRect.set(0, 0, mTmpSize.width(), mTmpSize.height()); 1383 mTmpFinalClipRect.setEmpty(); 1384 } else { 1385 mSurfaceController.setPositionInTransaction(mTmpSize.left, mTmpSize.top, 1386 recoveringMemory); 1387 } 1388 1389 updateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect, recoveringMemory); 1390 1391 mSurfaceController.setMatrixInTransaction(mDsDx * w.mHScale * extraHScale, 1392 mDtDx * w.mVScale * extraVScale, 1393 mDsDy * w.mHScale * extraHScale, 1394 mDtDy * w.mVScale * extraVScale, recoveringMemory); 1395 mSurfaceResized = mSurfaceController.setSizeInTransaction( 1396 mTmpSize.width(), mTmpSize.height(), recoveringMemory); 1397 1398 if (mSurfaceResized) { 1399 mReportSurfaceResized = true; 1400 mAnimator.setPendingLayoutChanges(w.getDisplayId(), 1401 WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER); 1402 w.applyDimLayerIfNeeded(); 1403 } 1404 1405 } 1406 1407 void prepareSurfaceLocked(final boolean recoveringMemory) { 1408 final WindowState w = mWin; 1409 if (!hasSurface()) { 1410 if (w.mOrientationChanging) { 1411 if (DEBUG_ORIENTATION) { 1412 Slog.v(TAG, "Orientation change skips hidden " + w); 1413 } 1414 w.mOrientationChanging = false; 1415 } 1416 return; 1417 } 1418 1419 boolean displayed = false; 1420 1421 computeShownFrameLocked(); 1422 1423 setSurfaceBoundariesLocked(recoveringMemory); 1424 1425 if (mIsWallpaper && !mWin.mWallpaperVisible) { 1426 // Wallpaper is no longer visible and there is no wp target => hide it. 1427 hide("prepareSurfaceLocked"); 1428 } else if (w.mAttachedHidden || !w.isOnScreen()) { 1429 hide("prepareSurfaceLocked"); 1430 mWallpaperControllerLocked.hideWallpapers(w); 1431 1432 // If we are waiting for this window to handle an 1433 // orientation change, well, it is hidden, so 1434 // doesn't really matter. Note that this does 1435 // introduce a potential glitch if the window 1436 // becomes unhidden before it has drawn for the 1437 // new orientation. 1438 if (w.mOrientationChanging) { 1439 w.mOrientationChanging = false; 1440 if (DEBUG_ORIENTATION) Slog.v(TAG, 1441 "Orientation change skips hidden " + w); 1442 } 1443 } else if (mLastLayer != mAnimLayer 1444 || mLastAlpha != mShownAlpha 1445 || mLastDsDx != mDsDx 1446 || mLastDtDx != mDtDx 1447 || mLastDsDy != mDsDy 1448 || mLastDtDy != mDtDy 1449 || w.mLastHScale != w.mHScale 1450 || w.mLastVScale != w.mVScale 1451 || mLastHidden) { 1452 displayed = true; 1453 mLastAlpha = mShownAlpha; 1454 mLastLayer = mAnimLayer; 1455 mLastDsDx = mDsDx; 1456 mLastDtDx = mDtDx; 1457 mLastDsDy = mDsDy; 1458 mLastDtDy = mDtDy; 1459 w.mLastHScale = w.mHScale; 1460 w.mLastVScale = w.mVScale; 1461 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(w, 1462 "controller=" + mSurfaceController + 1463 "alpha=" + mShownAlpha + " layer=" + mAnimLayer 1464 + " matrix=[" + mDsDx + "*" + w.mHScale 1465 + "," + mDtDx + "*" + w.mVScale 1466 + "][" + mDsDy + "*" + w.mHScale 1467 + "," + mDtDy + "*" + w.mVScale + "]", false); 1468 1469 boolean prepared = 1470 mSurfaceController.prepareToShowInTransaction(mShownAlpha, mAnimLayer, 1471 mDsDx * w.mHScale, mDtDx * w.mVScale, 1472 mDsDy * w.mHScale, mDtDy * w.mVScale, 1473 recoveringMemory); 1474 1475 if (prepared && mLastHidden && mDrawState == HAS_DRAWN) { 1476 if (showSurfaceRobustlyLocked()) { 1477 if (mDestroyPreservedSurfaceUponRedraw) { 1478 mService.mDestroyPreservedSurface.add(mWin); 1479 } 1480 mAnimator.requestRemovalOfReplacedWindows(w); 1481 mLastHidden = false; 1482 if (mIsWallpaper) { 1483 mWallpaperControllerLocked.dispatchWallpaperVisibility(w, true); 1484 } 1485 // This draw means the difference between unique content and mirroring. 1486 // Run another pass through performLayout to set mHasContent in the 1487 // LogicalDisplay. 1488 mAnimator.setPendingLayoutChanges(w.getDisplayId(), 1489 WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM); 1490 } else { 1491 w.mOrientationChanging = false; 1492 } 1493 } 1494 if (hasSurface()) { 1495 w.mToken.hasVisible = true; 1496 } 1497 } else { 1498 if (DEBUG_ANIM && isAnimating()) { 1499 Slog.v(TAG, "prepareSurface: No changes in animation for " + this); 1500 } 1501 displayed = true; 1502 } 1503 1504 if (displayed) { 1505 if (w.mOrientationChanging) { 1506 if (!w.isDrawnLw()) { 1507 mAnimator.mBulkUpdateParams &= ~SET_ORIENTATION_CHANGE_COMPLETE; 1508 mAnimator.mLastWindowFreezeSource = w; 1509 if (DEBUG_ORIENTATION) Slog.v(TAG, 1510 "Orientation continue waiting for draw in " + w); 1511 } else { 1512 w.mOrientationChanging = false; 1513 if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change complete in " + w); 1514 } 1515 } 1516 w.mToken.hasVisible = true; 1517 } 1518 } 1519 1520 void setTransparentRegionHintLocked(final Region region) { 1521 if (mSurfaceController == null) { 1522 Slog.w(TAG, "setTransparentRegionHint: null mSurface after mHasSurface true"); 1523 return; 1524 } 1525 mSurfaceController.setTransparentRegionHint(region); 1526 } 1527 1528 void setWallpaperOffset(Point shownPosition) { 1529 final LayoutParams attrs = mWin.getAttrs(); 1530 final int left = shownPosition.x - attrs.surfaceInsets.left; 1531 final int top = shownPosition.y - attrs.surfaceInsets.top; 1532 1533 try { 1534 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION setWallpaperOffset"); 1535 SurfaceControl.openTransaction(); 1536 mSurfaceController.setPositionInTransaction(mWin.mFrame.left + left, 1537 mWin.mFrame.top + top, false); 1538 calculateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect); 1539 updateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect, false); 1540 } catch (RuntimeException e) { 1541 Slog.w(TAG, "Error positioning surface of " + mWin 1542 + " pos=(" + left + "," + top + ")", e); 1543 } finally { 1544 SurfaceControl.closeTransaction(); 1545 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, 1546 "<<< CLOSE TRANSACTION setWallpaperOffset"); 1547 } 1548 } 1549 1550 /** 1551 * Try to change the pixel format without recreating the surface. This 1552 * will be common in the case of changing from PixelFormat.OPAQUE to 1553 * PixelFormat.TRANSLUCENT in the hardware-accelerated case as both 1554 * requested formats resolve to the same underlying SurfaceControl format 1555 * @return True if format was succesfully changed, false otherwise 1556 */ 1557 boolean tryChangeFormatInPlaceLocked() { 1558 if (mSurfaceController == null) { 1559 return false; 1560 } 1561 final LayoutParams attrs = mWin.getAttrs(); 1562 final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0; 1563 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format; 1564 if (format == mSurfaceFormat) { 1565 setOpaqueLocked(!PixelFormat.formatHasAlpha(attrs.format)); 1566 return true; 1567 } 1568 return false; 1569 } 1570 1571 void setOpaqueLocked(boolean isOpaque) { 1572 if (mSurfaceController == null) { 1573 return; 1574 } 1575 mSurfaceController.setOpaque(isOpaque); 1576 } 1577 1578 void setSecureLocked(boolean isSecure) { 1579 if (mSurfaceController == null) { 1580 return; 1581 } 1582 mSurfaceController.setSecure(isSecure); 1583 } 1584 1585 // This must be called while inside a transaction. 1586 boolean performShowLocked() { 1587 if (mWin.isHiddenFromUserLocked()) { 1588 if (DEBUG_VISIBILITY) Slog.w(TAG, "hiding " + mWin + ", belonging to " + mWin.mOwnerUid); 1589 mWin.hideLw(false); 1590 return false; 1591 } 1592 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1593 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1594 Slog.v(TAG, "performShow on " + this 1595 + ": mDrawState=" + drawStateToString() + " readyForDisplay=" 1596 + mWin.isReadyForDisplayIgnoringKeyguard() 1597 + " starting=" + (mWin.mAttrs.type == TYPE_APPLICATION_STARTING) 1598 + " during animation: policyVis=" + mWin.mPolicyVisibility 1599 + " attHidden=" + mWin.mAttachedHidden 1600 + " tok.hiddenRequested=" 1601 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1602 + " tok.hidden=" 1603 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1604 + " animating=" + mAnimating 1605 + " tok animating=" 1606 + (mAppAnimator != null ? mAppAnimator.animating : false) + " Callers=" 1607 + Debug.getCallers(3)); 1608 } 1609 if (mDrawState == READY_TO_SHOW && mWin.isReadyForDisplayIgnoringKeyguard()) { 1610 if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW && 1611 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) { 1612 Slog.v(TAG, "Showing " + this 1613 + " during animation: policyVis=" + mWin.mPolicyVisibility 1614 + " attHidden=" + mWin.mAttachedHidden 1615 + " tok.hiddenRequested=" 1616 + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false) 1617 + " tok.hidden=" 1618 + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false) 1619 + " animating=" + mAnimating 1620 + " tok animating=" 1621 + (mAppAnimator != null ? mAppAnimator.animating : false)); 1622 } 1623 1624 mService.enableScreenIfNeededLocked(); 1625 1626 applyEnterAnimationLocked(); 1627 1628 // Force the show in the next prepareSurfaceLocked() call. 1629 mLastAlpha = -1; 1630 if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) 1631 Slog.v(TAG, "performShowLocked: mDrawState=HAS_DRAWN in " + mWin); 1632 mDrawState = HAS_DRAWN; 1633 mService.scheduleAnimationLocked(); 1634 1635 int i = mWin.mChildWindows.size(); 1636 while (i > 0) { 1637 i--; 1638 WindowState c = mWin.mChildWindows.get(i); 1639 if (c.mAttachedHidden) { 1640 c.mAttachedHidden = false; 1641 if (c.mWinAnimator.mSurfaceController != null) { 1642 c.mWinAnimator.performShowLocked(); 1643 // It hadn't been shown, which means layout not 1644 // performed on it, so now we want to make sure to 1645 // do a layout. If called from within the transaction 1646 // loop, this will cause it to restart with a new 1647 // layout. 1648 final DisplayContent displayContent = c.getDisplayContent(); 1649 if (displayContent != null) { 1650 displayContent.layoutNeeded = true; 1651 } 1652 } 1653 } 1654 } 1655 1656 if (mWin.mAttrs.type != TYPE_APPLICATION_STARTING && mWin.mAppToken != null) { 1657 mWin.mAppToken.onFirstWindowDrawn(mWin, this); 1658 } 1659 1660 return true; 1661 } 1662 return false; 1663 } 1664 1665 /** 1666 * Have the surface flinger show a surface, robustly dealing with 1667 * error conditions. In particular, if there is not enough memory 1668 * to show the surface, then we will try to get rid of other surfaces 1669 * in order to succeed. 1670 * 1671 * @return Returns true if the surface was successfully shown. 1672 */ 1673 private boolean showSurfaceRobustlyLocked() { 1674 boolean shown = mSurfaceController.showRobustlyInTransaction(); 1675 if (!shown) 1676 return false; 1677 1678 if (mWin.mTurnOnScreen) { 1679 if (DEBUG_VISIBILITY) Slog.v(TAG, "Show surface turning screen on: " + mWin); 1680 mWin.mTurnOnScreen = false; 1681 mAnimator.mBulkUpdateParams |= SET_TURN_ON_SCREEN; 1682 } 1683 return true; 1684 } 1685 1686 void applyEnterAnimationLocked() { 1687 // If we are the new part of a window replacement transition and we have requested 1688 // not to animate, we instead want to make it seamless, so we don't want to apply 1689 // an enter transition. 1690 if (mWin.mSkipEnterAnimationForSeamlessReplacement) { 1691 return; 1692 } 1693 final int transit; 1694 if (mEnterAnimationPending) { 1695 mEnterAnimationPending = false; 1696 transit = WindowManagerPolicy.TRANSIT_ENTER; 1697 } else { 1698 transit = WindowManagerPolicy.TRANSIT_SHOW; 1699 } 1700 applyAnimationLocked(transit, true); 1701 //TODO (multidisplay): Magnification is supported only for the default display. 1702 if (mService.mAccessibilityController != null 1703 && mWin.getDisplayId() == DEFAULT_DISPLAY) { 1704 mService.mAccessibilityController.onWindowTransitionLocked(mWin, transit); 1705 } 1706 } 1707 1708 /** 1709 * Choose the correct animation and set it to the passed WindowState. 1710 * @param transit If AppTransition.TRANSIT_PREVIEW_DONE and the app window has been drawn 1711 * then the animation will be app_starting_exit. Any other value loads the animation from 1712 * the switch statement below. 1713 * @param isEntrance The animation type the last time this was called. Used to keep from 1714 * loading the same animation twice. 1715 * @return true if an animation has been loaded. 1716 */ 1717 boolean applyAnimationLocked(int transit, boolean isEntrance) { 1718 if ((mLocalAnimating && mAnimationIsEntrance == isEntrance) 1719 || mKeyguardGoingAwayAnimation) { 1720 // If we are trying to apply an animation, but already running 1721 // an animation of the same type, then just leave that one alone. 1722 1723 // If we are in a keyguard exit animation, and the window should animate away, modify 1724 // keyguard exit animation such that it also fades out. 1725 if (mAnimation != null && mKeyguardGoingAwayAnimation 1726 && transit == WindowManagerPolicy.TRANSIT_PREVIEW_DONE) { 1727 applyFadeoutDuringKeyguardExitAnimation(); 1728 } 1729 return true; 1730 } 1731 1732 // Only apply an animation if the display isn't frozen. If it is 1733 // frozen, there is no reason to animate and it can cause strange 1734 // artifacts when we unfreeze the display if some different animation 1735 // is running. 1736 if (mService.okToDisplay()) { 1737 int anim = mPolicy.selectAnimationLw(mWin, transit); 1738 int attr = -1; 1739 Animation a = null; 1740 if (anim != 0) { 1741 a = anim != -1 ? AnimationUtils.loadAnimation(mContext, anim) : null; 1742 } else { 1743 switch (transit) { 1744 case WindowManagerPolicy.TRANSIT_ENTER: 1745 attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation; 1746 break; 1747 case WindowManagerPolicy.TRANSIT_EXIT: 1748 attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation; 1749 break; 1750 case WindowManagerPolicy.TRANSIT_SHOW: 1751 attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation; 1752 break; 1753 case WindowManagerPolicy.TRANSIT_HIDE: 1754 attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation; 1755 break; 1756 } 1757 if (attr >= 0) { 1758 a = mService.mAppTransition.loadAnimationAttr(mWin.mAttrs, attr); 1759 } 1760 } 1761 if (DEBUG_ANIM) Slog.v(TAG, 1762 "applyAnimation: win=" + this 1763 + " anim=" + anim + " attr=0x" + Integer.toHexString(attr) 1764 + " a=" + a 1765 + " transit=" + transit 1766 + " isEntrance=" + isEntrance + " Callers " + Debug.getCallers(3)); 1767 if (a != null) { 1768 if (DEBUG_ANIM) logWithStack(TAG, "Loaded animation " + a + " for " + this); 1769 setAnimation(a); 1770 mAnimationIsEntrance = isEntrance; 1771 } 1772 } else { 1773 clearAnimation(); 1774 } 1775 if (mWin.mAttrs.type == TYPE_INPUT_METHOD) { 1776 mService.adjustForImeIfNeeded(mWin.mDisplayContent); 1777 if (isEntrance) { 1778 mWin.setDisplayLayoutNeeded(); 1779 mService.mWindowPlacerLocked.requestTraversal(); 1780 } 1781 } 1782 return mAnimation != null; 1783 } 1784 1785 private void applyFadeoutDuringKeyguardExitAnimation() { 1786 long startTime = mAnimation.getStartTime(); 1787 long duration = mAnimation.getDuration(); 1788 long elapsed = mLastAnimationTime - startTime; 1789 long fadeDuration = duration - elapsed; 1790 if (fadeDuration <= 0) { 1791 // Never mind, this would be no visible animation, so abort the animation change. 1792 return; 1793 } 1794 AnimationSet newAnimation = new AnimationSet(false /* shareInterpolator */); 1795 newAnimation.setDuration(duration); 1796 newAnimation.setStartTime(startTime); 1797 newAnimation.addAnimation(mAnimation); 1798 Animation fadeOut = AnimationUtils.loadAnimation( 1799 mContext, com.android.internal.R.anim.app_starting_exit); 1800 fadeOut.setDuration(fadeDuration); 1801 fadeOut.setStartOffset(elapsed); 1802 newAnimation.addAnimation(fadeOut); 1803 newAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(), mAnimDx, mAnimDy); 1804 mAnimation = newAnimation; 1805 } 1806 1807 public void dump(PrintWriter pw, String prefix, boolean dumpAll) { 1808 if (mAnimating || mLocalAnimating || mAnimationIsEntrance 1809 || mAnimation != null) { 1810 pw.print(prefix); pw.print("mAnimating="); pw.print(mAnimating); 1811 pw.print(" mLocalAnimating="); pw.print(mLocalAnimating); 1812 pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance); 1813 pw.print(" mAnimation="); pw.print(mAnimation); 1814 pw.print(" mStackClip="); pw.println(mStackClip); 1815 } 1816 if (mHasTransformation || mHasLocalTransformation) { 1817 pw.print(prefix); pw.print("XForm: has="); 1818 pw.print(mHasTransformation); 1819 pw.print(" hasLocal="); pw.print(mHasLocalTransformation); 1820 pw.print(" "); mTransformation.printShortString(pw); 1821 pw.println(); 1822 } 1823 if (mSurfaceController != null) { 1824 mSurfaceController.dump(pw, prefix, dumpAll); 1825 } 1826 if (dumpAll) { 1827 pw.print(prefix); pw.print("mDrawState="); pw.print(drawStateToString()); 1828 pw.print(prefix); pw.print(" mLastHidden="); pw.println(mLastHidden); 1829 pw.print(prefix); pw.print("mSystemDecorRect="); mSystemDecorRect.printShortString(pw); 1830 pw.print(" last="); mLastSystemDecorRect.printShortString(pw); 1831 pw.print(" mHasClipRect="); pw.print(mHasClipRect); 1832 pw.print(" mLastClipRect="); mLastClipRect.printShortString(pw); 1833 1834 if (!mLastFinalClipRect.isEmpty()) { 1835 pw.print(" mLastFinalClipRect="); mLastFinalClipRect.printShortString(pw); 1836 } 1837 pw.println(); 1838 } 1839 1840 if (mPendingDestroySurface != null) { 1841 pw.print(prefix); pw.print("mPendingDestroySurface="); 1842 pw.println(mPendingDestroySurface); 1843 } 1844 if (mSurfaceResized || mSurfaceDestroyDeferred) { 1845 pw.print(prefix); pw.print("mSurfaceResized="); pw.print(mSurfaceResized); 1846 pw.print(" mSurfaceDestroyDeferred="); pw.println(mSurfaceDestroyDeferred); 1847 } 1848 if (mShownAlpha != 1 || mAlpha != 1 || mLastAlpha != 1) { 1849 pw.print(prefix); pw.print("mShownAlpha="); pw.print(mShownAlpha); 1850 pw.print(" mAlpha="); pw.print(mAlpha); 1851 pw.print(" mLastAlpha="); pw.println(mLastAlpha); 1852 } 1853 if (mHaveMatrix || mWin.mGlobalScale != 1) { 1854 pw.print(prefix); pw.print("mGlobalScale="); pw.print(mWin.mGlobalScale); 1855 pw.print(" mDsDx="); pw.print(mDsDx); 1856 pw.print(" mDtDx="); pw.print(mDtDx); 1857 pw.print(" mDsDy="); pw.print(mDsDy); 1858 pw.print(" mDtDy="); pw.println(mDtDy); 1859 } 1860 if (mAnimationStartDelayed) { 1861 pw.print(prefix); pw.print("mAnimationStartDelayed="); pw.print(mAnimationStartDelayed); 1862 } 1863 } 1864 1865 @Override 1866 public String toString() { 1867 StringBuffer sb = new StringBuffer("WindowStateAnimator{"); 1868 sb.append(Integer.toHexString(System.identityHashCode(this))); 1869 sb.append(' '); 1870 sb.append(mWin.mAttrs.getTitle()); 1871 sb.append('}'); 1872 return sb.toString(); 1873 } 1874 1875 void reclaimSomeSurfaceMemory(String operation, boolean secure) { 1876 mService.reclaimSomeSurfaceMemoryLocked(this, operation, secure); 1877 } 1878 1879 boolean getShown() { 1880 if (mSurfaceController != null) { 1881 return mSurfaceController.getShown(); 1882 } 1883 return false; 1884 } 1885 1886 void destroySurface() { 1887 try { 1888 if (mSurfaceController != null) { 1889 mSurfaceController.destroyInTransaction(); 1890 } 1891 } catch (RuntimeException e) { 1892 Slog.w(TAG, "Exception thrown when destroying surface " + this 1893 + " surface " + mSurfaceController + " session " + mSession + ": " + e); 1894 } finally { 1895 mWin.setHasSurface(false); 1896 mSurfaceController = null; 1897 mDrawState = NO_SURFACE; 1898 } 1899 } 1900 1901 void setMoveAnimation(int left, int top) { 1902 final Animation a = AnimationUtils.loadAnimation(mContext, 1903 com.android.internal.R.anim.window_move_from_decor); 1904 setAnimation(a); 1905 mAnimDx = mWin.mLastFrame.left - left; 1906 mAnimDy = mWin.mLastFrame.top - top; 1907 mAnimateMove = true; 1908 } 1909 1910 void deferTransactionUntilParentFrame(long frameNumber) { 1911 if (!mWin.isChildWindow()) { 1912 return; 1913 } 1914 mDeferTransactionUntilFrame = frameNumber; 1915 mDeferTransactionTime = System.currentTimeMillis(); 1916 mSurfaceController.deferTransactionUntil( 1917 mWin.mAttachedWindow.mWinAnimator.mSurfaceController.getHandle(), 1918 frameNumber); 1919 } 1920 1921 // Defer the current transaction to the frame number of the last saved transaction. 1922 // We do this to avoid shooting through an unsynchronized transaction while something is 1923 // pending. This is generally fine, as either we will get in on the synchronization, 1924 // or SurfaceFlinger will see that the frame has already occured. The only 1925 // potential problem is in frame number resets so we reset things with a timeout 1926 // every so often to be careful. 1927 void deferToPendingTransaction() { 1928 if (mDeferTransactionUntilFrame < 0) { 1929 return; 1930 } 1931 long time = System.currentTimeMillis(); 1932 if (time > mDeferTransactionTime + PENDING_TRANSACTION_FINISH_WAIT_TIME) { 1933 mDeferTransactionTime = -1; 1934 mDeferTransactionUntilFrame = -1; 1935 } else { 1936 mSurfaceController.deferTransactionUntil( 1937 mWin.mAttachedWindow.mWinAnimator.mSurfaceController.getHandle(), 1938 mDeferTransactionUntilFrame); 1939 } 1940 } 1941 1942 /** 1943 * Sometimes we need to synchronize the first frame of animation with some external event. 1944 * To achieve this, we prolong the start of the animation and keep producing the first frame of 1945 * the animation. 1946 */ 1947 private long getAnimationFrameTime(Animation animation, long currentTime) { 1948 if (mAnimationStartDelayed) { 1949 animation.setStartTime(currentTime); 1950 return currentTime + 1; 1951 } 1952 return currentTime; 1953 } 1954 1955 void startDelayingAnimationStart() { 1956 mAnimationStartDelayed = true; 1957 } 1958 1959 void endDelayingAnimationStart() { 1960 mAnimationStartDelayed = false; 1961 } 1962} 1963