AppWindowAnimator.java revision a4ccb86ddc8f9f486aee25fb836f4aff97bf7679
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 android.graphics.Matrix; 20import android.os.RemoteException; 21import android.util.Slog; 22import android.util.TimeUtils; 23import android.view.Display; 24import android.view.SurfaceControl; 25import android.view.WindowManagerPolicy; 26import android.view.animation.Animation; 27import android.view.animation.Transformation; 28 29import java.io.PrintWriter; 30import java.util.ArrayList; 31 32public class AppWindowAnimator { 33 static final String TAG = "AppWindowAnimator"; 34 35 final AppWindowToken mAppToken; 36 final WindowManagerService mService; 37 final WindowAnimator mAnimator; 38 39 boolean animating; 40 Animation animation; 41 boolean hasTransformation; 42 final Transformation transformation = new Transformation(); 43 44 // Have we been asked to have this token keep the screen frozen? 45 // Protect with mAnimator. 46 boolean freezingScreen; 47 48 /** 49 * How long we last kept the screen frozen. 50 */ 51 int lastFreezeDuration; 52 53 // Offset to the window of all layers in the token, for use by 54 // AppWindowToken animations. 55 int animLayerAdjustment; 56 57 // Propagated from AppWindowToken.allDrawn, to determine when 58 // the state changes. 59 boolean allDrawn; 60 61 // Special surface for thumbnail animation. 62 SurfaceControl thumbnail; 63 int thumbnailTransactionSeq; 64 int thumbnailX; 65 int thumbnailY; 66 int thumbnailLayer; 67 int thumbnailForceAboveLayer; 68 Animation thumbnailAnimation; 69 final Transformation thumbnailTransformation = new Transformation(); 70 // This flag indicates that the destruction of the thumbnail surface is synchronized with 71 // another animation, so do not pre-emptively destroy the thumbnail surface when the animation 72 // completes 73 boolean deferThumbnailDestruction; 74 // This is the thumbnail surface that has been bestowed upon this animator, and when the 75 // surface for this animator's animation is complete, we will destroy the thumbnail surface 76 // as well. Do not animate or do anything with this surface. 77 SurfaceControl deferredThumbnail; 78 79 /** WindowStateAnimator from mAppAnimator.allAppWindows as of last performLayout */ 80 ArrayList<WindowStateAnimator> mAllAppWinAnimators = new ArrayList<WindowStateAnimator>(); 81 82 static final Animation sDummyAnimation = new DummyAnimation(); 83 84 public AppWindowAnimator(final AppWindowToken atoken) { 85 mAppToken = atoken; 86 mService = atoken.service; 87 mAnimator = atoken.mAnimator; 88 } 89 90 public void setAnimation(Animation anim, int width, int height) { 91 if (WindowManagerService.localLOGV) Slog.v(TAG, "Setting animation in " + mAppToken 92 + ": " + anim + " wxh=" + width + "x" + height 93 + " isVisible=" + mAppToken.isVisible()); 94 animation = anim; 95 animating = false; 96 if (!anim.isInitialized()) { 97 anim.initialize(width, height, width, height); 98 } 99 anim.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION); 100 anim.scaleCurrentDuration(mService.getTransitionAnimationScaleLocked()); 101 int zorder = anim.getZAdjustment(); 102 int adj = 0; 103 if (zorder == Animation.ZORDER_TOP) { 104 adj = WindowManagerService.TYPE_LAYER_OFFSET; 105 } else if (zorder == Animation.ZORDER_BOTTOM) { 106 adj = -WindowManagerService.TYPE_LAYER_OFFSET; 107 } 108 109 if (animLayerAdjustment != adj) { 110 animLayerAdjustment = adj; 111 updateLayers(); 112 } 113 // Start out animation gone if window is gone, or visible if window is visible. 114 transformation.clear(); 115 transformation.setAlpha(mAppToken.isVisible() ? 1 : 0); 116 hasTransformation = true; 117 } 118 119 public void setDummyAnimation() { 120 if (WindowManagerService.localLOGV) Slog.v(TAG, "Setting dummy animation in " + mAppToken 121 + " isVisible=" + mAppToken.isVisible()); 122 animation = sDummyAnimation; 123 hasTransformation = true; 124 transformation.clear(); 125 transformation.setAlpha(mAppToken.isVisible() ? 1 : 0); 126 } 127 128 public void clearAnimation() { 129 if (animation != null) { 130 animation = null; 131 animating = true; 132 } 133 if (!deferThumbnailDestruction) { 134 clearThumbnail(); 135 } 136 if (mAppToken.deferClearAllDrawn) { 137 mAppToken.allDrawn = false; 138 mAppToken.deferClearAllDrawn = false; 139 } 140 } 141 142 public void clearThumbnail() { 143 if (thumbnail != null) { 144 thumbnail.destroy(); 145 thumbnail = null; 146 } 147 } 148 149 public void clearDeferredThumbnail() { 150 if (deferredThumbnail != null) { 151 deferredThumbnail.destroy(); 152 deferredThumbnail = null; 153 } 154 } 155 156 void updateLayers() { 157 final int N = mAppToken.allAppWindows.size(); 158 final int adj = animLayerAdjustment; 159 thumbnailLayer = -1; 160 for (int i=0; i<N; i++) { 161 final WindowState w = mAppToken.allAppWindows.get(i); 162 final WindowStateAnimator winAnimator = w.mWinAnimator; 163 winAnimator.mAnimLayer = w.mLayer + adj; 164 if (winAnimator.mAnimLayer > thumbnailLayer) { 165 thumbnailLayer = winAnimator.mAnimLayer; 166 } 167 if (WindowManagerService.DEBUG_LAYERS) Slog.v(TAG, "Updating layer " + w + ": " 168 + winAnimator.mAnimLayer); 169 if (w == mService.mInputMethodTarget && !mService.mInputMethodTargetWaitingAnim) { 170 mService.setInputMethodAnimLayerAdjustment(adj); 171 } 172 if (w == mService.mWallpaperTarget && mService.mLowerWallpaperTarget == null) { 173 mService.setWallpaperAnimLayerAdjustmentLocked(adj); 174 } 175 } 176 } 177 178 private void stepThumbnailAnimation(long currentTime) { 179 thumbnailTransformation.clear(); 180 thumbnailAnimation.getTransformation(currentTime, thumbnailTransformation); 181 thumbnailTransformation.getMatrix().preTranslate(thumbnailX, thumbnailY); 182 183 ScreenRotationAnimation screenRotationAnimation = 184 mAnimator.getScreenRotationAnimationLocked(Display.DEFAULT_DISPLAY); 185 final boolean screenAnimation = screenRotationAnimation != null 186 && screenRotationAnimation.isAnimating(); 187 if (screenAnimation) { 188 thumbnailTransformation.postCompose(screenRotationAnimation.getEnterTransformation()); 189 } 190 // cache often used attributes locally 191 final float tmpFloats[] = mService.mTmpFloats; 192 thumbnailTransformation.getMatrix().getValues(tmpFloats); 193 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(thumbnail, 194 "thumbnail", "POS " + tmpFloats[Matrix.MTRANS_X] 195 + ", " + tmpFloats[Matrix.MTRANS_Y], null); 196 thumbnail.setPosition(tmpFloats[Matrix.MTRANS_X], tmpFloats[Matrix.MTRANS_Y]); 197 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(thumbnail, 198 "thumbnail", "alpha=" + thumbnailTransformation.getAlpha() 199 + " layer=" + thumbnailLayer 200 + " matrix=[" + tmpFloats[Matrix.MSCALE_X] 201 + "," + tmpFloats[Matrix.MSKEW_Y] 202 + "][" + tmpFloats[Matrix.MSKEW_X] 203 + "," + tmpFloats[Matrix.MSCALE_Y] + "]", null); 204 thumbnail.setAlpha(thumbnailTransformation.getAlpha()); 205 if (thumbnailForceAboveLayer > 0) { 206 thumbnail.setLayer(thumbnailForceAboveLayer + 1); 207 } else { 208 // The thumbnail is layered below the window immediately above this 209 // token's anim layer. 210 thumbnail.setLayer(thumbnailLayer + WindowManagerService.WINDOW_LAYER_MULTIPLIER 211 - WindowManagerService.LAYER_OFFSET_THUMBNAIL); 212 } 213 thumbnail.setMatrix(tmpFloats[Matrix.MSCALE_X], tmpFloats[Matrix.MSKEW_Y], 214 tmpFloats[Matrix.MSKEW_X], tmpFloats[Matrix.MSCALE_Y]); 215 } 216 217 private boolean stepAnimation(long currentTime) { 218 if (animation == null) { 219 return false; 220 } 221 transformation.clear(); 222 final boolean more = animation.getTransformation(currentTime, transformation); 223 if (false && WindowManagerService.DEBUG_ANIM) Slog.v( 224 TAG, "Stepped animation in " + mAppToken + ": more=" + more + ", xform=" + transformation); 225 if (!more) { 226 animation = null; 227 if (!deferThumbnailDestruction) { 228 clearThumbnail(); 229 } 230 if (WindowManagerService.DEBUG_ANIM) Slog.v( 231 TAG, "Finished animation in " + mAppToken + " @ " + currentTime); 232 } 233 hasTransformation = more; 234 return more; 235 } 236 237 // This must be called while inside a transaction. 238 boolean stepAnimationLocked(long currentTime) { 239 if (mService.okToDisplay()) { 240 // We will run animations as long as the display isn't frozen. 241 242 if (animation == sDummyAnimation) { 243 // This guy is going to animate, but not yet. For now count 244 // it as not animating for purposes of scheduling transactions; 245 // when it is really time to animate, this will be set to 246 // a real animation and the next call will execute normally. 247 return false; 248 } 249 250 if ((mAppToken.allDrawn || animating || mAppToken.startingDisplayed) 251 && animation != null) { 252 if (!animating) { 253 if (WindowManagerService.DEBUG_ANIM) Slog.v( 254 TAG, "Starting animation in " + mAppToken + 255 " @ " + currentTime + " scale=" 256 + mService.getTransitionAnimationScaleLocked() 257 + " allDrawn=" + mAppToken.allDrawn + " animating=" + animating); 258 animation.setStartTime(currentTime); 259 animating = true; 260 if (thumbnail != null) { 261 thumbnail.show(); 262 thumbnailAnimation.setStartTime(currentTime); 263 } 264 } 265 if (stepAnimation(currentTime)) { 266 // animation isn't over, step any thumbnail and that's 267 // it for now. 268 if (thumbnail != null) { 269 stepThumbnailAnimation(currentTime); 270 } 271 return true; 272 } 273 } 274 } else if (animation != null) { 275 // If the display is frozen, and there is a pending animation, 276 // clear it and make sure we run the cleanup code. 277 animating = true; 278 animation = null; 279 } 280 281 hasTransformation = false; 282 283 if (!animating && animation == null) { 284 return false; 285 } 286 287 mAnimator.setAppLayoutChanges(this, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM, 288 "AppWindowToken"); 289 290 clearAnimation(); 291 animating = false; 292 if (animLayerAdjustment != 0) { 293 animLayerAdjustment = 0; 294 updateLayers(); 295 } 296 if (mService.mInputMethodTarget != null 297 && mService.mInputMethodTarget.mAppToken == mAppToken) { 298 mService.moveInputMethodWindowsIfNeededLocked(true); 299 } 300 301 if (WindowManagerService.DEBUG_ANIM) Slog.v( 302 TAG, "Animation done in " + mAppToken 303 + ": reportedVisible=" + mAppToken.reportedVisible); 304 305 transformation.clear(); 306 307 final int N = mAllAppWinAnimators.size(); 308 for (int i=0; i<N; i++) { 309 final WindowStateAnimator winAnim = mAllAppWinAnimators.get(i); 310 if (mAppToken.mLaunchTaskBehind) { 311 winAnim.mWin.mExiting = true; 312 } 313 winAnim.finishExit(); 314 } 315 if (mAppToken.mLaunchTaskBehind) { 316 try { 317 mService.mActivityManager.notifyLaunchTaskBehindComplete(mAppToken.token); 318 } catch (RemoteException e) { 319 } 320 mAppToken.mLaunchTaskBehind = false; 321 } else { 322 mAppToken.updateReportedVisibilityLocked(); 323 if (mAppToken.mEnteringAnimation) { 324 mAppToken.mEnteringAnimation = false; 325 try { 326 mService.mActivityManager.notifyEnterAnimationComplete(mAppToken.token); 327 } catch (RemoteException e) { 328 } 329 } 330 } 331 332 return false; 333 } 334 335 boolean showAllWindowsLocked() { 336 boolean isAnimating = false; 337 final int NW = mAllAppWinAnimators.size(); 338 for (int i=0; i<NW; i++) { 339 WindowStateAnimator winAnimator = mAllAppWinAnimators.get(i); 340 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(TAG, 341 "performing show on: " + winAnimator); 342 winAnimator.performShowLocked(); 343 isAnimating |= winAnimator.isAnimating(); 344 } 345 return isAnimating; 346 } 347 348 void dump(PrintWriter pw, String prefix, boolean dumpAll) { 349 pw.print(prefix); pw.print("mAppToken="); pw.println(mAppToken); 350 pw.print(prefix); pw.print("mAnimator="); pw.println(mAnimator); 351 pw.print(prefix); pw.print("freezingScreen="); pw.print(freezingScreen); 352 pw.print(" allDrawn="); pw.print(allDrawn); 353 pw.print(" animLayerAdjustment="); pw.println(animLayerAdjustment); 354 if (lastFreezeDuration != 0) { 355 pw.print(prefix); pw.print("lastFreezeDuration="); 356 TimeUtils.formatDuration(lastFreezeDuration, pw); pw.println(); 357 } 358 if (animating || animation != null) { 359 pw.print(prefix); pw.print("animating="); pw.println(animating); 360 pw.print(prefix); pw.print("animation="); pw.println(animation); 361 } 362 if (hasTransformation) { 363 pw.print(prefix); pw.print("XForm: "); 364 transformation.printShortString(pw); 365 pw.println(); 366 } 367 if (thumbnail != null) { 368 pw.print(prefix); pw.print("thumbnail="); pw.print(thumbnail); 369 pw.print(" x="); pw.print(thumbnailX); 370 pw.print(" y="); pw.print(thumbnailY); 371 pw.print(" layer="); pw.println(thumbnailLayer); 372 pw.print(prefix); pw.print("thumbnailAnimation="); pw.println(thumbnailAnimation); 373 pw.print(prefix); pw.print("thumbnailTransformation="); 374 pw.println(thumbnailTransformation.toShortString()); 375 } 376 for (int i=0; i<mAllAppWinAnimators.size(); i++) { 377 WindowStateAnimator wanim = mAllAppWinAnimators.get(i); 378 pw.print(prefix); pw.print("App Win Anim #"); pw.print(i); 379 pw.print(": "); pw.println(wanim); 380 } 381 } 382 383 // This is an animation that does nothing: it just immediately finishes 384 // itself every time it is called. It is used as a stub animation in cases 385 // where we want to synchronize multiple things that may be animating. 386 static final class DummyAnimation extends Animation { 387 @Override 388 public boolean getTransformation(long currentTime, Transformation outTransformation) { 389 return false; 390 } 391 } 392 393} 394