| /* |
| * 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.statusbar.policy; |
| |
| import android.app.AlarmManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.UserHandle; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * Implementation of {@link NextAlarmController} |
| */ |
| @Singleton |
| public class NextAlarmControllerImpl extends BroadcastReceiver |
| implements NextAlarmController { |
| |
| private final ArrayList<NextAlarmChangeCallback> mChangeCallbacks = new ArrayList<>(); |
| |
| private AlarmManager mAlarmManager; |
| private AlarmManager.AlarmClockInfo mNextAlarm; |
| |
| /** |
| */ |
| @Inject |
| public NextAlarmControllerImpl(Context context) { |
| mAlarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_USER_SWITCHED); |
| filter.addAction(AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED); |
| context.registerReceiverAsUser(this, UserHandle.ALL, filter, null, null); |
| updateNextAlarm(); |
| } |
| |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("NextAlarmController state:"); |
| pw.print(" mNextAlarm="); pw.println(mNextAlarm); |
| } |
| |
| public void addCallback(NextAlarmChangeCallback cb) { |
| mChangeCallbacks.add(cb); |
| cb.onNextAlarmChanged(mNextAlarm); |
| } |
| |
| public void removeCallback(NextAlarmChangeCallback cb) { |
| mChangeCallbacks.remove(cb); |
| } |
| |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_USER_SWITCHED) |
| || action.equals(AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED)) { |
| updateNextAlarm(); |
| } |
| } |
| |
| private void updateNextAlarm() { |
| mNextAlarm = mAlarmManager.getNextAlarmClock(UserHandle.USER_CURRENT); |
| fireNextAlarmChanged(); |
| } |
| |
| private void fireNextAlarmChanged() { |
| int n = mChangeCallbacks.size(); |
| for (int i = 0; i < n; i++) { |
| mChangeCallbacks.get(i).onNextAlarmChanged(mNextAlarm); |
| } |
| } |
| } |