Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| 20 | import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| 21 | |
| 22 | import android.graphics.Point; |
| 23 | import android.graphics.Rect; |
| 24 | import android.os.Handler; |
| 25 | import android.os.RemoteException; |
| 26 | import android.os.SystemClock; |
| 27 | import android.util.Slog; |
| 28 | import android.view.IRemoteAnimationFinishedCallback; |
| 29 | import android.view.IRemoteAnimationFinishedCallback.Stub; |
| 30 | import android.view.RemoteAnimationAdapter; |
| 31 | import android.view.RemoteAnimationTarget; |
| 32 | import android.view.SurfaceControl; |
| 33 | import android.view.SurfaceControl.Transaction; |
| 34 | |
| 35 | import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback; |
| 36 | |
Jorim Jaggi | 91f9f348 | 2018-02-14 10:58:26 -0800 | [diff] [blame] | 37 | import java.lang.ref.WeakReference; |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 38 | import java.util.ArrayList; |
| 39 | |
| 40 | /** |
| 41 | * Helper class to run app animations in a remote process. |
| 42 | */ |
| 43 | class RemoteAnimationController { |
| 44 | private static final String TAG = TAG_WITH_CLASS_NAME ? "RemoteAnimationController" : TAG_WM; |
| 45 | private static final long TIMEOUT_MS = 2000; |
| 46 | |
| 47 | private final WindowManagerService mService; |
| 48 | private final RemoteAnimationAdapter mRemoteAnimationAdapter; |
| 49 | private final ArrayList<RemoteAnimationAdapterWrapper> mPendingAnimations = new ArrayList<>(); |
| 50 | private final Rect mTmpRect = new Rect(); |
| 51 | private final Handler mHandler; |
Jorim Jaggi | 91f9f348 | 2018-02-14 10:58:26 -0800 | [diff] [blame] | 52 | private FinishedCallback mFinishedCallback; |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 53 | |
| 54 | private final Runnable mTimeoutRunnable = () -> { |
| 55 | onAnimationFinished(); |
| 56 | invokeAnimationCancelled(); |
| 57 | }; |
| 58 | |
| 59 | RemoteAnimationController(WindowManagerService service, |
| 60 | RemoteAnimationAdapter remoteAnimationAdapter, Handler handler) { |
| 61 | mService = service; |
| 62 | mRemoteAnimationAdapter = remoteAnimationAdapter; |
| 63 | mHandler = handler; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Creates an animation for each individual {@link AppWindowToken}. |
| 68 | * |
| 69 | * @param appWindowToken The app to animate. |
| 70 | * @param position The position app bounds, in screen coordinates. |
| 71 | * @param stackBounds The stack bounds of the app. |
| 72 | * @return The adapter to be run on the app. |
| 73 | */ |
| 74 | AnimationAdapter createAnimationAdapter(AppWindowToken appWindowToken, Point position, |
| 75 | Rect stackBounds) { |
| 76 | final RemoteAnimationAdapterWrapper adapter = new RemoteAnimationAdapterWrapper( |
| 77 | appWindowToken, position, stackBounds); |
| 78 | mPendingAnimations.add(adapter); |
| 79 | return adapter; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Called when the transition is ready to be started, and all leashes have been set up. |
| 84 | */ |
| 85 | void goodToGo() { |
Jorim Jaggi | 93f9fe3 | 2018-01-25 15:06:13 +0100 | [diff] [blame] | 86 | if (mPendingAnimations.isEmpty()) { |
| 87 | onAnimationFinished(); |
| 88 | return; |
| 89 | } |
Jorim Jaggi | a19d781 | 2018-02-01 15:03:59 +0100 | [diff] [blame] | 90 | |
| 91 | // Scale the timeout with the animator scale the controlling app is using. |
| 92 | mHandler.postDelayed(mTimeoutRunnable, |
| 93 | (long) (TIMEOUT_MS * mService.getCurrentAnimatorScale())); |
Jorim Jaggi | 91f9f348 | 2018-02-14 10:58:26 -0800 | [diff] [blame] | 94 | mFinishedCallback = new FinishedCallback(this); |
Chavi Weingarten | 16d0d07 | 2018-02-12 23:50:28 +0000 | [diff] [blame] | 95 | |
| 96 | final RemoteAnimationTarget[] animations = createAnimations(); |
| 97 | mService.mAnimator.addAfterPrepareSurfacesRunnable(() -> { |
| 98 | try { |
| 99 | mRemoteAnimationAdapter.getRunner().onAnimationStart(animations, |
| 100 | mFinishedCallback); |
| 101 | } catch (RemoteException e) { |
| 102 | Slog.e(TAG, "Failed to start remote animation", e); |
| 103 | onAnimationFinished(); |
| 104 | } |
| 105 | }); |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | private RemoteAnimationTarget[] createAnimations() { |
Jorim Jaggi | 1777021 | 2018-01-22 20:01:21 +0100 | [diff] [blame] | 109 | final ArrayList<RemoteAnimationTarget> targets = new ArrayList<>(); |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 110 | for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
Jorim Jaggi | 1777021 | 2018-01-22 20:01:21 +0100 | [diff] [blame] | 111 | final RemoteAnimationTarget target = |
| 112 | mPendingAnimations.get(i).createRemoteAppAnimation(); |
| 113 | if (target != null) { |
| 114 | targets.add(target); |
| 115 | } |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 116 | } |
Jorim Jaggi | 1777021 | 2018-01-22 20:01:21 +0100 | [diff] [blame] | 117 | return targets.toArray(new RemoteAnimationTarget[targets.size()]); |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | private void onAnimationFinished() { |
| 121 | mHandler.removeCallbacks(mTimeoutRunnable); |
| 122 | synchronized (mService.mWindowMap) { |
Jorim Jaggi | 91f9f348 | 2018-02-14 10:58:26 -0800 | [diff] [blame] | 123 | releaseFinishedCallback(); |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 124 | mService.openSurfaceTransaction(); |
| 125 | try { |
| 126 | for (int i = mPendingAnimations.size() - 1; i >= 0; i--) { |
| 127 | final RemoteAnimationAdapterWrapper adapter = mPendingAnimations.get(i); |
| 128 | adapter.mCapturedFinishCallback.onAnimationFinished(adapter); |
| 129 | } |
| 130 | } finally { |
| 131 | mService.closeSurfaceTransaction("RemoteAnimationController#finished"); |
| 132 | } |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | private void invokeAnimationCancelled() { |
| 137 | try { |
| 138 | mRemoteAnimationAdapter.getRunner().onAnimationCancelled(); |
| 139 | } catch (RemoteException e) { |
| 140 | Slog.e(TAG, "Failed to notify cancel", e); |
| 141 | } |
| 142 | } |
| 143 | |
Jorim Jaggi | 91f9f348 | 2018-02-14 10:58:26 -0800 | [diff] [blame] | 144 | private void releaseFinishedCallback() { |
| 145 | if (mFinishedCallback != null) { |
| 146 | mFinishedCallback.release(); |
| 147 | mFinishedCallback = null; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | private static final class FinishedCallback extends IRemoteAnimationFinishedCallback.Stub { |
| 152 | |
| 153 | RemoteAnimationController mOuter; |
| 154 | |
| 155 | FinishedCallback(RemoteAnimationController outer) { |
| 156 | mOuter = outer; |
| 157 | } |
| 158 | |
| 159 | @Override |
| 160 | public void onAnimationFinished() throws RemoteException { |
| 161 | if (mOuter != null) { |
| 162 | mOuter.onAnimationFinished(); |
| 163 | |
| 164 | // In case the client holds on to the finish callback, make sure we don't leak |
| 165 | // RemoteAnimationController which in turn would leak the runner on the client. |
| 166 | mOuter = null; |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Marks this callback as not be used anymore by releasing the reference to the outer class |
| 172 | * to prevent memory leak. |
| 173 | */ |
| 174 | void release() { |
| 175 | mOuter = null; |
| 176 | } |
| 177 | }; |
| 178 | |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 179 | private class RemoteAnimationAdapterWrapper implements AnimationAdapter { |
| 180 | |
| 181 | private final AppWindowToken mAppWindowToken; |
| 182 | private SurfaceControl mCapturedLeash; |
| 183 | private OnAnimationFinishedCallback mCapturedFinishCallback; |
| 184 | private final Point mPosition = new Point(); |
| 185 | private final Rect mStackBounds = new Rect(); |
| 186 | |
| 187 | RemoteAnimationAdapterWrapper(AppWindowToken appWindowToken, Point position, |
| 188 | Rect stackBounds) { |
| 189 | mAppWindowToken = appWindowToken; |
| 190 | mPosition.set(position.x, position.y); |
| 191 | mStackBounds.set(stackBounds); |
| 192 | } |
| 193 | |
| 194 | RemoteAnimationTarget createRemoteAppAnimation() { |
Jorim Jaggi | 1777021 | 2018-01-22 20:01:21 +0100 | [diff] [blame] | 195 | final Task task = mAppWindowToken.getTask(); |
| 196 | final WindowState mainWindow = mAppWindowToken.findMainWindow(); |
| 197 | if (task == null) { |
| 198 | return null; |
| 199 | } |
| 200 | if (mainWindow == null) { |
| 201 | return null; |
| 202 | } |
| 203 | return new RemoteAnimationTarget(task.mTaskId, getMode(), |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 204 | mCapturedLeash, !mAppWindowToken.fillsParent(), |
Winson Chung | 584d652 | 2018-02-07 23:57:38 +0000 | [diff] [blame] | 205 | mainWindow.mWinAnimator.mLastClipRect, mainWindow.mContentInsets, |
Winson Chung | e2d7217 | 2018-01-25 17:46:20 +0000 | [diff] [blame] | 206 | mAppWindowToken.getPrefixOrderIndex(), mPosition, mStackBounds, |
| 207 | task.getWindowConfiguration()); |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | private int getMode() { |
| 211 | if (mService.mOpeningApps.contains(mAppWindowToken)) { |
| 212 | return RemoteAnimationTarget.MODE_OPENING; |
| 213 | } else { |
| 214 | return RemoteAnimationTarget.MODE_CLOSING; |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | @Override |
| 219 | public boolean getDetachWallpaper() { |
| 220 | return false; |
| 221 | } |
| 222 | |
| 223 | @Override |
Jorim Jaggi | 82c1786 | 2018-02-21 17:50:18 +0100 | [diff] [blame] | 224 | public boolean getShowWallpaper() { |
| 225 | return false; |
| 226 | } |
| 227 | |
| 228 | @Override |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 229 | public int getBackgroundColor() { |
| 230 | return 0; |
| 231 | } |
| 232 | |
| 233 | @Override |
| 234 | public void startAnimation(SurfaceControl animationLeash, Transaction t, |
| 235 | OnAnimationFinishedCallback finishCallback) { |
| 236 | |
| 237 | // Restore z-layering, position and stack crop until client has a chance to modify it. |
| 238 | t.setLayer(animationLeash, mAppWindowToken.getPrefixOrderIndex()); |
| 239 | t.setPosition(animationLeash, mPosition.x, mPosition.y); |
| 240 | mTmpRect.set(mStackBounds); |
| 241 | mTmpRect.offsetTo(0, 0); |
| 242 | t.setWindowCrop(animationLeash, mTmpRect); |
| 243 | mCapturedLeash = animationLeash; |
| 244 | mCapturedFinishCallback = finishCallback; |
| 245 | } |
| 246 | |
| 247 | @Override |
| 248 | public void onAnimationCancelled(SurfaceControl animationLeash) { |
| 249 | mPendingAnimations.remove(this); |
| 250 | if (mPendingAnimations.isEmpty()) { |
| 251 | mHandler.removeCallbacks(mTimeoutRunnable); |
Jorim Jaggi | 91f9f348 | 2018-02-14 10:58:26 -0800 | [diff] [blame] | 252 | releaseFinishedCallback(); |
Jorim Jaggi | 33a701a | 2017-12-01 14:58:18 +0100 | [diff] [blame] | 253 | invokeAnimationCancelled(); |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | @Override |
| 258 | public long getDurationHint() { |
| 259 | return mRemoteAnimationAdapter.getDuration(); |
| 260 | } |
| 261 | |
| 262 | @Override |
| 263 | public long getStatusBarTransitionsStartTime() { |
| 264 | return SystemClock.uptimeMillis() |
| 265 | + mRemoteAnimationAdapter.getStatusBarTransitionDelay(); |
| 266 | } |
| 267 | } |
| 268 | } |