| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.systemui.recents.model; |
| |
| import android.content.Context; |
| import android.os.UserHandle; |
| import com.android.internal.content.PackageMonitor; |
| import com.android.internal.os.BackgroundThread; |
| import com.android.systemui.recents.events.EventBus; |
| import com.android.systemui.recents.events.activity.PackagesChangedEvent; |
| |
| /** |
| * The package monitor listens for changes from PackageManager to update the contents of the |
| * Recents list. |
| */ |
| public class RecentsPackageMonitor extends PackageMonitor { |
| |
| /** Registers the broadcast receivers with the specified callbacks. */ |
| public void register(Context context) { |
| try { |
| // We register for events from all users, but will cross-reference them with |
| // packages for the current user and any profiles they have. Ensure that events are |
| // handled in a background thread. |
| register(context, BackgroundThread.get().getLooper(), UserHandle.ALL, true); |
| } catch (IllegalStateException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| /** Unregisters the broadcast receivers. */ |
| @Override |
| public void unregister() { |
| try { |
| super.unregister(); |
| } catch (IllegalStateException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| @Override |
| public void onPackageRemoved(String packageName, int uid) { |
| // Notify callbacks on the main thread that a package has changed |
| final int eventUserId = getChangingUserId(); |
| EventBus.getDefault().post(new PackagesChangedEvent(this, packageName, eventUserId)); |
| } |
| |
| @Override |
| public boolean onPackageChanged(String packageName, int uid, String[] components) { |
| onPackageModified(packageName); |
| return true; |
| } |
| |
| @Override |
| public void onPackageModified(String packageName) { |
| // Notify callbacks on the main thread that a package has changed |
| final int eventUserId = getChangingUserId(); |
| EventBus.getDefault().post(new PackagesChangedEvent(this, packageName, eventUserId)); |
| } |
| } |