/* * 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 com.android.systemui.statusbar.policy.NextAlarmController.NextAlarmChangeCallback; import java.io.FileDescriptor; import java.io.PrintWriter; import java.util.ArrayList; public class NextAlarmControllerImpl extends BroadcastReceiver implements NextAlarmController { private final ArrayList mChangeCallbacks = new ArrayList<>(); private AlarmManager mAlarmManager; private AlarmManager.AlarmClockInfo mNextAlarm; 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); } } }