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 17 package com.android.server.wm; 18 19 import android.graphics.Matrix; 20 import android.os.RemoteException; 21 import android.util.Slog; 22 import android.util.TimeUtils; 23 import android.view.Display; 24 import android.view.SurfaceControl; 25 import android.view.WindowManagerPolicy; 26 import android.view.animation.Animation; 27 import android.view.animation.Transformation; 28 29 import java.io.PrintWriter; 30 import java.util.ArrayList; 31 32 public 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 if (!mAppToken.appFullscreen) { 119 anim.setBackgroundColor(0); 120 } 121 } 122 123 public void setDummyAnimation() { 124 if (WindowManagerService.localLOGV) Slog.v(TAG, "Setting dummy animation in " + mAppToken 125 + " isVisible=" + mAppToken.isVisible()); 126 animation = sDummyAnimation; 127 hasTransformation = true; 128 transformation.clear(); 129 transformation.setAlpha(mAppToken.isVisible() ? 1 : 0); 130 } 131 132 public void clearAnimation() { 133 if (animation != null) { 134 animation = null; 135 animating = true; 136 } 137 if (!deferThumbnailDestruction) { 138 clearThumbnail(); 139 } 140 if (mAppToken.deferClearAllDrawn) { 141 mAppToken.allDrawn = false; 142 mAppToken.deferClearAllDrawn = false; 143 } 144 } 145 146 public void clearThumbnail() { 147 if (thumbnail != null) { 148 thumbnail.destroy(); 149 thumbnail = null; 150 } 151 } 152 153 public void clearDeferredThumbnail() { 154 if (deferredThumbnail != null) { 155 deferredThumbnail.destroy(); 156 deferredThumbnail = null; 157 } 158 } 159 160 void updateLayers() { 161 final int N = mAppToken.allAppWindows.size(); 162 final int adj = animLayerAdjustment; 163 thumbnailLayer = -1; 164 for (int i=0; i<N; i++) { 165 final WindowState w = mAppToken.allAppWindows.get(i); 166 final WindowStateAnimator winAnimator = w.mWinAnimator; 167 winAnimator.mAnimLayer = w.mLayer + adj; 168 if (winAnimator.mAnimLayer > thumbnailLayer) { 169 thumbnailLayer = winAnimator.mAnimLayer; 170 } 171 if (WindowManagerService.DEBUG_LAYERS) Slog.v(TAG, "Updating layer " + w + ": " 172 + winAnimator.mAnimLayer); 173 if (w == mService.mInputMethodTarget && !mService.mInputMethodTargetWaitingAnim) { 174 mService.setInputMethodAnimLayerAdjustment(adj); 175 } 176 if (w == mService.mWallpaperTarget && mService.mLowerWallpaperTarget == null) { 177 mService.setWallpaperAnimLayerAdjustmentLocked(adj); 178 } 179 } 180 } 181 182 private void stepThumbnailAnimation(long currentTime) { 183 thumbnailTransformation.clear(); 184 thumbnailAnimation.getTransformation(currentTime, thumbnailTransformation); 185 thumbnailTransformation.getMatrix().preTranslate(thumbnailX, thumbnailY); 186 187 ScreenRotationAnimation screenRotationAnimation = 188 mAnimator.getScreenRotationAnimationLocked(Display.DEFAULT_DISPLAY); 189 final boolean screenAnimation = screenRotationAnimation != null 190 && screenRotationAnimation.isAnimating(); 191 if (screenAnimation) { 192 thumbnailTransformation.postCompose(screenRotationAnimation.getEnterTransformation()); 193 } 194 // cache often used attributes locally 195 final float tmpFloats[] = mService.mTmpFloats; 196 thumbnailTransformation.getMatrix().getValues(tmpFloats); 197 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(thumbnail, 198 "thumbnail", "POS " + tmpFloats[Matrix.MTRANS_X] 199 + ", " + tmpFloats[Matrix.MTRANS_Y], null); 200 thumbnail.setPosition(tmpFloats[Matrix.MTRANS_X], tmpFloats[Matrix.MTRANS_Y]); 201 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(thumbnail, 202 "thumbnail", "alpha=" + thumbnailTransformation.getAlpha() 203 + " layer=" + thumbnailLayer 204 + " matrix=[" + tmpFloats[Matrix.MSCALE_X] 205 + "," + tmpFloats[Matrix.MSKEW_Y] 206 + "][" + tmpFloats[Matrix.MSKEW_X] 207 + "," + tmpFloats[Matrix.MSCALE_Y] + "]", null); 208 thumbnail.setAlpha(thumbnailTransformation.getAlpha()); 209 if (thumbnailForceAboveLayer > 0) { 210 thumbnail.setLayer(thumbnailForceAboveLayer + 1); 211 } else { 212 // The thumbnail is layered below the window immediately above this 213 // token's anim layer. 214 thumbnail.setLayer(thumbnailLayer + WindowManagerService.WINDOW_LAYER_MULTIPLIER 215 - WindowManagerService.LAYER_OFFSET_THUMBNAIL); 216 } 217 thumbnail.setMatrix(tmpFloats[Matrix.MSCALE_X], tmpFloats[Matrix.MSKEW_Y], 218 tmpFloats[Matrix.MSKEW_X], tmpFloats[Matrix.MSCALE_Y]); 219 } 220 221 private boolean stepAnimation(long currentTime) { 222 if (animation == null) { 223 return false; 224 } 225 transformation.clear(); 226 final boolean more = animation.getTransformation(currentTime, transformation); 227 if (false && WindowManagerService.DEBUG_ANIM) Slog.v( 228 TAG, "Stepped animation in " + mAppToken + ": more=" + more + ", xform=" + transformation); 229 if (!more) { 230 animation = null; 231 if (!deferThumbnailDestruction) { 232 clearThumbnail(); 233 } 234 if (WindowManagerService.DEBUG_ANIM) Slog.v( 235 TAG, "Finished animation in " + mAppToken + " @ " + currentTime); 236 } 237 hasTransformation = more; 238 return more; 239 } 240 241 // This must be called while inside a transaction. 242 boolean stepAnimationLocked(long currentTime) { 243 if (mService.okToDisplay()) { 244 // We will run animations as long as the display isn't frozen. 245 246 if (animation == sDummyAnimation) { 247 // This guy is going to animate, but not yet. For now count 248 // it as not animating for purposes of scheduling transactions; 249 // when it is really time to animate, this will be set to 250 // a real animation and the next call will execute normally. 251 return false; 252 } 253 254 if ((mAppToken.allDrawn || animating || mAppToken.startingDisplayed) 255 && animation != null) { 256 if (!animating) { 257 if (WindowManagerService.DEBUG_ANIM) Slog.v( 258 TAG, "Starting animation in " + mAppToken + 259 " @ " + currentTime + " scale=" 260 + mService.getTransitionAnimationScaleLocked() 261 + " allDrawn=" + mAppToken.allDrawn + " animating=" + animating); 262 animation.setStartTime(currentTime); 263 animating = true; 264 if (thumbnail != null) { 265 thumbnail.show(); 266 thumbnailAnimation.setStartTime(currentTime); 267 } 268 } 269 if (stepAnimation(currentTime)) { 270 // animation isn't over, step any thumbnail and that's 271 // it for now. 272 if (thumbnail != null) { 273 stepThumbnailAnimation(currentTime); 274 } 275 return true; 276 } 277 } 278 } else if (animation != null) { 279 // If the display is frozen, and there is a pending animation, 280 // clear it and make sure we run the cleanup code. 281 animating = true; 282 animation = null; 283 } 284 285 hasTransformation = false; 286 287 if (!animating && animation == null) { 288 return false; 289 } 290 291 mAnimator.setAppLayoutChanges(this, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM, 292 "AppWindowToken"); 293 294 clearAnimation(); 295 animating = false; 296 if (animLayerAdjustment != 0) { 297 animLayerAdjustment = 0; 298 updateLayers(); 299 } 300 if (mService.mInputMethodTarget != null 301 && mService.mInputMethodTarget.mAppToken == mAppToken) { 302 mService.moveInputMethodWindowsIfNeededLocked(true); 303 } 304 305 if (WindowManagerService.DEBUG_ANIM) Slog.v( 306 TAG, "Animation done in " + mAppToken 307 + ": reportedVisible=" + mAppToken.reportedVisible); 308 309 transformation.clear(); 310 311 final int N = mAllAppWinAnimators.size(); 312 for (int i=0; i<N; i++) { 313 final WindowStateAnimator winAnim = mAllAppWinAnimators.get(i); 314 if (mAppToken.mLaunchTaskBehind) { 315 winAnim.mWin.mExiting = true; 316 } 317 winAnim.finishExit(); 318 } 319 if (mAppToken.mLaunchTaskBehind) { 320 try { 321 mService.mActivityManager.notifyLaunchTaskBehindComplete(mAppToken.token); 322 } catch (RemoteException e) { 323 } 324 mAppToken.mLaunchTaskBehind = false; 325 } else { 326 mAppToken.updateReportedVisibilityLocked(); 327 if (mAppToken.mEnteringAnimation) { 328 mAppToken.mEnteringAnimation = false; 329 try { 330 mService.mActivityManager.notifyEnterAnimationComplete(mAppToken.token); 331 } catch (RemoteException e) { 332 } 333 } 334 } 335 336 return false; 337 } 338 339 boolean showAllWindowsLocked() { 340 boolean isAnimating = false; 341 final int NW = mAllAppWinAnimators.size(); 342 for (int i=0; i<NW; i++) { 343 WindowStateAnimator winAnimator = mAllAppWinAnimators.get(i); 344 if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(TAG, 345 "performing show on: " + winAnimator); 346 winAnimator.performShowLocked(); 347 isAnimating |= winAnimator.isAnimating(); 348 } 349 return isAnimating; 350 } 351 352 void dump(PrintWriter pw, String prefix, boolean dumpAll) { 353 pw.print(prefix); pw.print("mAppToken="); pw.println(mAppToken); 354 pw.print(prefix); pw.print("mAnimator="); pw.println(mAnimator); 355 pw.print(prefix); pw.print("freezingScreen="); pw.print(freezingScreen); 356 pw.print(" allDrawn="); pw.print(allDrawn); 357 pw.print(" animLayerAdjustment="); pw.println(animLayerAdjustment); 358 if (lastFreezeDuration != 0) { 359 pw.print(prefix); pw.print("lastFreezeDuration="); 360 TimeUtils.formatDuration(lastFreezeDuration, pw); pw.println(); 361 } 362 if (animating || animation != null) { 363 pw.print(prefix); pw.print("animating="); pw.println(animating); 364 pw.print(prefix); pw.print("animation="); pw.println(animation); 365 } 366 if (hasTransformation) { 367 pw.print(prefix); pw.print("XForm: "); 368 transformation.printShortString(pw); 369 pw.println(); 370 } 371 if (thumbnail != null) { 372 pw.print(prefix); pw.print("thumbnail="); pw.print(thumbnail); 373 pw.print(" x="); pw.print(thumbnailX); 374 pw.print(" y="); pw.print(thumbnailY); 375 pw.print(" layer="); pw.println(thumbnailLayer); 376 pw.print(prefix); pw.print("thumbnailAnimation="); pw.println(thumbnailAnimation); 377 pw.print(prefix); pw.print("thumbnailTransformation="); 378 pw.println(thumbnailTransformation.toShortString()); 379 } 380 for (int i=0; i<mAllAppWinAnimators.size(); i++) { 381 WindowStateAnimator wanim = mAllAppWinAnimators.get(i); 382 pw.print(prefix); pw.print("App Win Anim #"); pw.print(i); 383 pw.print(": "); pw.println(wanim); 384 } 385 } 386 387 // This is an animation that does nothing: it just immediately finishes 388 // itself every time it is called. It is used as a stub animation in cases 389 // where we want to synchronize multiple things that may be animating. 390 static final class DummyAnimation extends Animation { 391 @Override 392 public boolean getTransformation(long currentTime, Transformation outTransformation) { 393 return false; 394 } 395 } 396 397 } 398
