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 android.annotation.Nullable; 20 import android.app.ActivityOptions; 21 import android.os.Handler; 22 import android.util.ArrayMap; 23 import android.view.RemoteAnimationAdapter; 24 25 import com.android.server.am.ActivityManagerService; 26 27 /** 28 * Registry to keep track of remote animations to be run for activity starts from a certain package. 29 * 30 * @see ActivityManagerService#registerRemoteAnimationForNextActivityStart 31 */ 32 class PendingRemoteAnimationRegistry { 33 34 private static final long TIMEOUT_MS = 3000; 35 36 private final ArrayMap<String, Entry> mEntries = new ArrayMap<>(); 37 private final Handler mHandler; 38 private final ActivityTaskManagerService mService; 39 PendingRemoteAnimationRegistry(ActivityTaskManagerService service, Handler handler)40 PendingRemoteAnimationRegistry(ActivityTaskManagerService service, Handler handler) { 41 mService = service; 42 mHandler = handler; 43 } 44 45 /** 46 * Adds a remote animation to be run for all activity starts originating from a certain package. 47 */ addPendingAnimation(String packageName, RemoteAnimationAdapter adapter)48 void addPendingAnimation(String packageName, RemoteAnimationAdapter adapter) { 49 mEntries.put(packageName, new Entry(packageName, adapter)); 50 } 51 52 /** 53 * Overrides the activity options with a registered remote animation for a certain calling 54 * package if such a remote animation is registered. 55 */ overrideOptionsIfNeeded(String callingPackage, @Nullable ActivityOptions options)56 ActivityOptions overrideOptionsIfNeeded(String callingPackage, 57 @Nullable ActivityOptions options) { 58 final Entry entry = mEntries.get(callingPackage); 59 if (entry == null) { 60 return options; 61 } 62 if (options == null) { 63 options = ActivityOptions.makeRemoteAnimation(entry.adapter); 64 } else { 65 options.setRemoteAnimationAdapter(entry.adapter); 66 } 67 mEntries.remove(callingPackage); 68 return options; 69 } 70 71 private class Entry { 72 final String packageName; 73 final RemoteAnimationAdapter adapter; 74 Entry(String packageName, RemoteAnimationAdapter adapter)75 Entry(String packageName, RemoteAnimationAdapter adapter) { 76 this.packageName = packageName; 77 this.adapter = adapter; 78 mHandler.postDelayed(() -> { 79 synchronized (mService.mGlobalLock) { 80 final Entry entry = mEntries.get(packageName); 81 if (entry == this) { 82 mEntries.remove(packageName); 83 } 84 } 85 }, TIMEOUT_MS); 86 } 87 } 88 } 89