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/*
* Copyright (C) 2013 The CyanogenMod Project (DvTonder)
*
* 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.cyanogenmod.lockclock;
import com.cyanogenmod.lockclock.misc.Constants;
import com.cyanogenmod.lockclock.ClockWidgetProvider;
import com.cyanogenmod.lockclock.ClockWidgetService;
import android.app.AlarmManager;
import android.app.Application;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
public class WidgetApplication extends Application {
private static final String TAG = "WidgetApplication";
private static boolean D = Constants.DEBUG;
private static final long INTERVAL_ONE_MINUTE = 60000L;
private BroadcastReceiver mTickReceiver = null;
/**
* BroadReceiver and supporting functions used for handling clock ticks
* for the TextView clock support (API 16) by scheduling a repeating
* alarm event every 60 seconds and triggering a refresh of the widget
*/
public class TickReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (Intent.ACTION_TIME_TICK.equals(action)){
if (D) Log.d(TAG, "Clock tick event received");
// Schedule the clock refresh alarm event
scheduleClockRefresh(context);
// Refresh the widget
Intent refreshIntent = new Intent(context, ClockWidgetProvider.class);
refreshIntent.setAction(ClockWidgetService.ACTION_REFRESH);
context.sendBroadcast(refreshIntent);
// We no longer need the tick receiver, its done its job, stop it
stopTickReceiver();
}
}
}
public void startTickReceiver() {
// Clean up first, just in case
stopTickReceiver();
// Start the new receiver
if (D) Log.d(TAG, "Registering clock tick receiver");
mTickReceiver = new TickReceiver();
registerReceiver(mTickReceiver, new IntentFilter(Intent.ACTION_TIME_TICK));
}
public void stopTickReceiver() {
if (mTickReceiver != null) {
if (D) Log.d(TAG, "Cleaning up: Unregistering clock tick receiver");
unregisterReceiver(mTickReceiver);
mTickReceiver = null;
}
}
private static void scheduleClockRefresh(Context context) {
if (D) Log.d(TAG, "Starting clock refresh alarm");
AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
long due = System.currentTimeMillis() + INTERVAL_ONE_MINUTE;
am.setRepeating(AlarmManager.RTC, due, INTERVAL_ONE_MINUTE, getClockRefreshIntent(context));
}
public static void cancelClockRefresh(Context context) {
if (D) Log.d(TAG, "Cleaning up: Stopping clock refresh alarm");
AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
am.cancel(getClockRefreshIntent(context));
}
private static PendingIntent getClockRefreshIntent(Context context) {
Intent i = new Intent(context, ClockWidgetService.class);
i.setAction(ClockWidgetService.ACTION_REFRESH);
return PendingIntent.getService(context, 0, i, PendingIntent.FLAG_UPDATE_CURRENT);
}
}
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