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