AppWindowAnimator.java revision 1a4dfe593aafda057ac9cb3086b84588d88cd09f
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 com.android.server.wm.WindowManagerService.DEBUG_ANIM; 20import static com.android.server.wm.WindowManagerService.DEBUG_LAYERS; 21import static com.android.server.wm.WindowManagerService.SHOW_TRANSACTIONS; 22import static com.android.server.wm.WindowManagerService.TYPE_LAYER_OFFSET; 23 24import android.graphics.Matrix; 25import android.util.Slog; 26import android.util.TimeUtils; 27import android.view.Choreographer; 28import android.view.Display; 29import android.view.SurfaceControl; 30import android.view.WindowManagerPolicy; 31import android.view.animation.Animation; 32import android.view.animation.Transformation; 33 34import java.io.PrintWriter; 35import java.util.ArrayList; 36 37public class AppWindowAnimator { 38 static final String TAG = "AppWindowAnimator"; 39 40 private static final int PROLONG_ANIMATION_DISABLED = 0; 41 static final int PROLONG_ANIMATION_AT_END = 1; 42 static final int PROLONG_ANIMATION_AT_START = 2; 43 44 final AppWindowToken mAppToken; 45 final WindowManagerService mService; 46 final WindowAnimator mAnimator; 47 48 boolean animating; 49 boolean wasAnimating; 50 Animation animation; 51 boolean hasTransformation; 52 final Transformation transformation = new Transformation(); 53 54 // Have we been asked to have this token keep the screen frozen? 55 // Protect with mAnimator. 56 boolean freezingScreen; 57 58 /** 59 * How long we last kept the screen frozen. 60 */ 61 int lastFreezeDuration; 62 63 // Offset to the window of all layers in the token, for use by 64 // AppWindowToken animations. 65 int animLayerAdjustment; 66 67 // Propagated from AppWindowToken.allDrawn, to determine when 68 // the state changes. 69 boolean allDrawn; 70 71 // Special surface for thumbnail animation. If deferThumbnailDestruction is enabled, then we 72 // will make sure that the thumbnail is destroyed after the other surface is completed. This 73 // requires that the duration of the two animations are the same. 74 SurfaceControl thumbnail; 75 int thumbnailTransactionSeq; 76 int thumbnailX; 77 int thumbnailY; 78 int thumbnailLayer; 79 int thumbnailForceAboveLayer; 80 Animation thumbnailAnimation; 81 final Transformation thumbnailTransformation = new Transformation(); 82 // This flag indicates that the destruction of the thumbnail surface is synchronized with 83 // another animation, so defer the destruction of this thumbnail surface for a single frame 84 // after the secondary animation completes. 85 boolean deferThumbnailDestruction; 86 // This flag is set if the animator has deferThumbnailDestruction set and has reached the final 87 // frame of animation. It will extend the animation by one frame and then clean up afterwards. 88 boolean deferFinalFrameCleanup; 89 // If true when the animation hits the last frame, it will keep running on that last frame. 90 // This is used to synchronize animation with Recents and we wait for Recents to tell us to 91 // finish or for a new animation be set as fail-safe mechanism. 92 private int mProlongAnimation; 93 // Whether the prolong animation can be removed when animation is set. The purpose of this is 94 // that if recents doesn't tell us to remove the prolonged animation, we will get rid of it 95 // when new animation is set. 96 private boolean mClearProlongedAnimation; 97 98 /** WindowStateAnimator from mAppAnimator.allAppWindows as of last performLayout */ 99 ArrayList<WindowStateAnimator> mAllAppWinAnimators = new ArrayList<>(); 100 101 /** True if the current animation was transferred from another AppWindowAnimator. 102 * See {@link #transferCurrentAnimation}*/ 103 boolean usingTransferredAnimation = false; 104 105 private boolean mSkipFirstFrame = false; 106 107 static final Animation sDummyAnimation = new DummyAnimation(); 108 109 public AppWindowAnimator(final AppWindowToken atoken) { 110 mAppToken = atoken; 111 mService = atoken.service; 112 mAnimator = atoken.mAnimator; 113 } 114 115 public void setAnimation(Animation anim, int width, int height, boolean skipFirstFrame) { 116 if (WindowManagerService.localLOGV) Slog.v(TAG, "Setting animation in " + mAppToken 117 + ": " + anim + " wxh=" + width + "x" + height 118 + " isVisible=" + mAppToken.isVisible()); 119 animation = anim; 120 animating = false; 121 if (!anim.isInitialized()) { 122 anim.initialize(width, height, width, height); 123 } 124 anim.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION); 125 anim.scaleCurrentDuration(mService.getTransitionAnimationScaleLocked()); 126 int zorder = anim.getZAdjustment(); 127 int adj = 0; 128 if (zorder == Animation.ZORDER_TOP) { 129 adj = TYPE_LAYER_OFFSET; 130 } else if (zorder == Animation.ZORDER_BOTTOM) { 131 adj = -TYPE_LAYER_OFFSET; 132 } 133 134 if (animLayerAdjustment != adj) { 135 animLayerAdjustment = adj; 136 updateLayers(); 137 } 138 // Start out animation gone if window is gone, or visible if window is visible. 139 transformation.clear(); 140 transformation.setAlpha(mAppToken.isVisible() ? 1 : 0); 141 hasTransformation = true; 142 143 this.mSkipFirstFrame = skipFirstFrame; 144 145 if (!mAppToken.appFullscreen) { 146 anim.setBackgroundColor(0); 147 } 148 if (mClearProlongedAnimation) { 149 mProlongAnimation = PROLONG_ANIMATION_DISABLED; 150 } else { 151 mClearProlongedAnimation = true; 152 } 153 } 154 155 public void setDummyAnimation() { 156 if (WindowManagerService.localLOGV) Slog.v(TAG, "Setting dummy animation in " + mAppToken 157 + " isVisible=" + mAppToken.isVisible()); 158 animation = sDummyAnimation; 159 hasTransformation = true; 160 transformation.clear(); 161 transformation.setAlpha(mAppToken.isVisible() ? 1 : 0); 162 } 163 164 public void clearAnimation() { 165 if (animation != null) { 166 animation = null; 167 animating = true; 168 } 169 clearThumbnail(); 170 if (mAppToken.deferClearAllDrawn) { 171 mAppToken.allDrawn = false; 172 mAppToken.deferClearAllDrawn = false; 173 } 174 usingTransferredAnimation = false; 175 } 176 177 public boolean isAnimating() { 178 return animation != null || mAppToken.inPendingTransaction; 179 } 180 181 public void clearThumbnail() { 182 if (thumbnail != null) { 183 thumbnail.destroy(); 184 thumbnail = null; 185 } 186 deferThumbnailDestruction = false; 187 } 188 189 void transferCurrentAnimation( 190 AppWindowAnimator toAppAnimator, WindowStateAnimator transferWinAnimator) { 191 192 if (animation != null) { 193 toAppAnimator.animation = animation; 194 animation = null; 195 toAppAnimator.animating = animating; 196 toAppAnimator.animLayerAdjustment = animLayerAdjustment; 197 animLayerAdjustment = 0; 198 toAppAnimator.updateLayers(); 199 updateLayers(); 200 toAppAnimator.usingTransferredAnimation = true; 201 } 202 if (transferWinAnimator != null) { 203 mAllAppWinAnimators.remove(transferWinAnimator); 204 toAppAnimator.mAllAppWinAnimators.add(transferWinAnimator); 205 transferWinAnimator.mAppAnimator = toAppAnimator; 206 } 207 } 208 209 void updateLayers() { 210 final int windowCount = mAppToken.allAppWindows.size(); 211 final int adj = animLayerAdjustment; 212 thumbnailLayer = -1; 213 final WallpaperController wallpaperController = mService.mWallpaperControllerLocked; 214 for (int i = 0; i < windowCount; i++) { 215 final WindowState w = mAppToken.allAppWindows.get(i); 216 final WindowStateAnimator winAnimator = w.mWinAnimator; 217 winAnimator.mAnimLayer = w.mLayer + adj; 218 if (winAnimator.mAnimLayer > thumbnailLayer) { 219 thumbnailLayer = winAnimator.mAnimLayer; 220 } 221 if (DEBUG_LAYERS) Slog.v(TAG, "Updating layer " + w + ": " + winAnimator.mAnimLayer); 222 if (w == mService.mInputMethodTarget && !mService.mInputMethodTargetWaitingAnim) { 223 mService.setInputMethodAnimLayerAdjustment(adj); 224 } 225 wallpaperController.setAnimLayerAdjustment(w, adj); 226 } 227 } 228 229 private void stepThumbnailAnimation(long currentTime) { 230 thumbnailTransformation.clear(); 231 thumbnailAnimation.getTransformation(currentTime, thumbnailTransformation); 232 thumbnailTransformation.getMatrix().preTranslate(thumbnailX, thumbnailY); 233 234 ScreenRotationAnimation screenRotationAnimation = 235 mAnimator.getScreenRotationAnimationLocked(Display.DEFAULT_DISPLAY); 236 final boolean screenAnimation = screenRotationAnimation != null 237 && screenRotationAnimation.isAnimating(); 238 if (screenAnimation) { 239 thumbnailTransformation.postCompose(screenRotationAnimation.getEnterTransformation()); 240 } 241 // cache often used attributes locally 242 final float tmpFloats[] = mService.mTmpFloats; 243 thumbnailTransformation.getMatrix().getValues(tmpFloats); 244 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(thumbnail, 245 "thumbnail", "POS " + tmpFloats[Matrix.MTRANS_X] 246 + ", " + tmpFloats[Matrix.MTRANS_Y], null); 247 thumbnail.setPosition(tmpFloats[Matrix.MTRANS_X], tmpFloats[Matrix.MTRANS_Y]); 248 if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(thumbnail, 249 "thumbnail", "alpha=" + thumbnailTransformation.getAlpha() 250 + " layer=" + thumbnailLayer 251 + " matrix=[" + tmpFloats[Matrix.MSCALE_X] 252 + "," + tmpFloats[Matrix.MSKEW_Y] 253 + "][" + tmpFloats[Matrix.MSKEW_X] 254 + "," + tmpFloats[Matrix.MSCALE_Y] + "]", null); 255 thumbnail.setAlpha(thumbnailTransformation.getAlpha()); 256 if (thumbnailForceAboveLayer > 0) { 257 thumbnail.setLayer(thumbnailForceAboveLayer + 1); 258 } else { 259 // The thumbnail is layered below the window immediately above this 260 // token's anim layer. 261 thumbnail.setLayer(thumbnailLayer + WindowManagerService.WINDOW_LAYER_MULTIPLIER 262 - WindowManagerService.LAYER_OFFSET_THUMBNAIL); 263 } 264 thumbnail.setMatrix(tmpFloats[Matrix.MSCALE_X], tmpFloats[Matrix.MSKEW_Y], 265 tmpFloats[Matrix.MSKEW_X], tmpFloats[Matrix.MSCALE_Y]); 266 } 267 268 private boolean stepAnimation(long currentTime) { 269 if (animation == null) { 270 return false; 271 } 272 transformation.clear(); 273 if (mProlongAnimation == PROLONG_ANIMATION_AT_START) { 274 animation.setStartTime(currentTime); 275 currentTime += 1; 276 } 277 boolean hasMoreFrames = animation.getTransformation(currentTime, transformation); 278 if (!hasMoreFrames) { 279 if (deferThumbnailDestruction && !deferFinalFrameCleanup) { 280 // We are deferring the thumbnail destruction, so extend the animation for one more 281 // (dummy) frame before we clean up 282 deferFinalFrameCleanup = true; 283 hasMoreFrames = true; 284 } else { 285 if (false && DEBUG_ANIM) Slog.v(TAG, 286 "Stepped animation in " + mAppToken + ": more=" + hasMoreFrames + 287 ", xform=" + transformation + ", mProlongAnimation=" + mProlongAnimation); 288 deferFinalFrameCleanup = false; 289 if (mProlongAnimation == PROLONG_ANIMATION_AT_END) { 290 hasMoreFrames = true; 291 } else { 292 animation = null; 293 } 294 clearThumbnail(); 295 if (DEBUG_ANIM) Slog.v(TAG, 296 "Finished animation in " + mAppToken + " @ " + currentTime); 297 } 298 } 299 hasTransformation = hasMoreFrames; 300 return hasMoreFrames; 301 } 302 303 private long getStartTimeCorrection() { 304 if (mSkipFirstFrame) { 305 306 // If the transition is an animation in which the first frame doesn't change the screen 307 // contents at all, we can just skip it and start at the second frame. So we shift the 308 // start time of the animation forward by minus the frame duration. 309 return -Choreographer.getInstance().getFrameIntervalNanos() / TimeUtils.NANOS_PER_MS; 310 } else { 311 return 0; 312 } 313 } 314 315 // This must be called while inside a transaction. 316 boolean stepAnimationLocked(long currentTime, final int displayId) { 317 if (mService.okToDisplay()) { 318 // We will run animations as long as the display isn't frozen. 319 320 if (animation == sDummyAnimation) { 321 // This guy is going to animate, but not yet. For now count 322 // it as not animating for purposes of scheduling transactions; 323 // when it is really time to animate, this will be set to 324 // a real animation and the next call will execute normally. 325 return false; 326 } 327 328 if ((mAppToken.allDrawn || mAppToken.mAnimatingWithSavedSurface 329 || animating || mAppToken.startingDisplayed) 330 && animation != null) { 331 if (!animating) { 332 if (DEBUG_ANIM) Slog.v(TAG, 333 "Starting animation in " + mAppToken + 334 " @ " + currentTime + " scale=" 335 + mService.getTransitionAnimationScaleLocked() 336 + " allDrawn=" + mAppToken.allDrawn + " animating=" + animating); 337 long correction = getStartTimeCorrection(); 338 animation.setStartTime(currentTime + correction); 339 animating = true; 340 if (thumbnail != null) { 341 thumbnail.show(); 342 thumbnailAnimation.setStartTime(currentTime + correction); 343 } 344 mSkipFirstFrame = false; 345 } 346 if (stepAnimation(currentTime)) { 347 // animation isn't over, step any thumbnail and that's 348 // it for now. 349 if (thumbnail != null) { 350 stepThumbnailAnimation(currentTime); 351 } 352 return true; 353 } 354 } 355 } else if (animation != null) { 356 // If the display is frozen, and there is a pending animation, 357 // clear it and make sure we run the cleanup code. 358 animating = true; 359 animation = null; 360 } 361 362 hasTransformation = false; 363 364 if (!animating && animation == null) { 365 return false; 366 } 367 368 mAnimator.setAppLayoutChanges(this, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM, 369 "AppWindowToken", displayId); 370 371 clearAnimation(); 372 animating = false; 373 if (animLayerAdjustment != 0) { 374 animLayerAdjustment = 0; 375 updateLayers(); 376 } 377 if (mService.mInputMethodTarget != null 378 && mService.mInputMethodTarget.mAppToken == mAppToken) { 379 mService.moveInputMethodWindowsIfNeededLocked(true); 380 } 381 382 if (DEBUG_ANIM) Slog.v(TAG, 383 "Animation done in " + mAppToken 384 + ": reportedVisible=" + mAppToken.reportedVisible); 385 386 transformation.clear(); 387 388 final int numAllAppWinAnimators = mAllAppWinAnimators.size(); 389 for (int i = 0; i < numAllAppWinAnimators; i++) { 390 mAllAppWinAnimators.get(i).finishExit(); 391 } 392 mService.mAppTransition.notifyAppTransitionFinishedLocked(mAppToken.token); 393 return false; 394 } 395 396 // This must be called while inside a transaction. 397 boolean showAllWindowsLocked() { 398 boolean isAnimating = false; 399 final int NW = mAllAppWinAnimators.size(); 400 for (int i=0; i<NW; i++) { 401 WindowStateAnimator winAnimator = mAllAppWinAnimators.get(i); 402 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(TAG, 403 "performing show on: " + winAnimator); 404 winAnimator.performShowLocked(); 405 isAnimating |= winAnimator.isAnimating(); 406 } 407 return isAnimating; 408 } 409 410 void dump(PrintWriter pw, String prefix, boolean dumpAll) { 411 pw.print(prefix); pw.print("mAppToken="); pw.println(mAppToken); 412 pw.print(prefix); pw.print("mAnimator="); pw.println(mAnimator); 413 pw.print(prefix); pw.print("freezingScreen="); pw.print(freezingScreen); 414 pw.print(" allDrawn="); pw.print(allDrawn); 415 pw.print(" animLayerAdjustment="); pw.println(animLayerAdjustment); 416 if (lastFreezeDuration != 0) { 417 pw.print(prefix); pw.print("lastFreezeDuration="); 418 TimeUtils.formatDuration(lastFreezeDuration, pw); pw.println(); 419 } 420 if (animating || animation != null) { 421 pw.print(prefix); pw.print("animating="); pw.println(animating); 422 pw.print(prefix); pw.print("animation="); pw.println(animation); 423 } 424 if (hasTransformation) { 425 pw.print(prefix); pw.print("XForm: "); 426 transformation.printShortString(pw); 427 pw.println(); 428 } 429 if (thumbnail != null) { 430 pw.print(prefix); pw.print("thumbnail="); pw.print(thumbnail); 431 pw.print(" x="); pw.print(thumbnailX); 432 pw.print(" y="); pw.print(thumbnailY); 433 pw.print(" layer="); pw.println(thumbnailLayer); 434 pw.print(prefix); pw.print("thumbnailAnimation="); pw.println(thumbnailAnimation); 435 pw.print(prefix); pw.print("thumbnailTransformation="); 436 pw.println(thumbnailTransformation.toShortString()); 437 } 438 for (int i=0; i<mAllAppWinAnimators.size(); i++) { 439 WindowStateAnimator wanim = mAllAppWinAnimators.get(i); 440 pw.print(prefix); pw.print("App Win Anim #"); pw.print(i); 441 pw.print(": "); pw.println(wanim); 442 } 443 } 444 445 void startProlongAnimation(int prolongType) { 446 mProlongAnimation = prolongType; 447 mClearProlongedAnimation = false; 448 } 449 450 void endProlongedAnimation() { 451 mProlongAnimation = PROLONG_ANIMATION_DISABLED; 452 } 453 454 // This is an animation that does nothing: it just immediately finishes 455 // itself every time it is called. It is used as a stub animation in cases 456 // where we want to synchronize multiple things that may be animating. 457 static final class DummyAnimation extends Animation { 458 @Override 459 public boolean getTransformation(long currentTime, Transformation outTransformation) { 460 return false; 461 } 462 } 463 464} 465