WriteScreenOffReferenceService.java

/*
 * Copyright (C) 2011-14 asksven
 *
 * 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.asksven.betterbatterystats.services;

import com.asksven.android.common.utils.DateUtils;
import com.asksven.betterbatterystats.data.Reference;
import com.asksven.betterbatterystats.data.ReferenceStore;
import com.asksven.betterbatterystats.data.StatsProvider;
import com.asksven.betterbatterystats.widgetproviders.LargeWidgetProvider;
import com.asksven.betterbatterystats.Wakelock;

import android.app.IntentService;
import android.app.NotificationManager;
import android.app.Service;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.util.Log;

/**
 * @author sven
 *
 */
public class WriteScreenOffReferenceService extends IntentService
{
	private static final String TAG = "WriteScreenOffReferenceService";

	public WriteScreenOffReferenceService()
	{
	    super("WriteScreenOffReferenceService");
	}
	
	@Override
	public void onHandleIntent(Intent intent)
	{
		SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);

		Log.i(TAG, "Called at " + DateUtils.now());
		try
		{
			
			// Clear any notifications taht may still be shown as the reference in going to be overwritten
	    	NotificationManager nM = (NotificationManager)this.getSystemService(Service.NOTIFICATION_SERVICE);
	    	nM.cancel(EventWatcherService.NOTFICATION_ID);

			boolean bRefForScreenOff = sharedPrefs.getBoolean("ref_for_screen_off", false);

			if (bRefForScreenOff)
			{
				// Store the "since screen off" ref
				Wakelock.aquireWakelock(this);
				StatsProvider.getInstance(this).setReferenceSinceScreenOff(0);
				Intent i = new Intent(ReferenceStore.REF_UPDATED).putExtra(Reference.EXTRA_REF_NAME, Reference.SCREEN_OFF_REF_FILENAME);
			    this.sendBroadcast(i);
				
//			    // save a new current ref
//				StatsProvider.getInstance(this).setCurrentReference(0);
//				i = new Intent(ReferenceStore.REF_UPDATED).putExtra(Reference.EXTRA_REF_NAME, Reference.CURRENT_REF_FILENAME);
//			    this.sendBroadcast(i);

			    long now = System.currentTimeMillis();
				// Save current time to prefs 
		        SharedPreferences.Editor editor = sharedPrefs.edit();
		        editor.putLong("screen_went_off_at", now);
		        editor.commit();
		        
				// Build the intent to update the widget
				Intent intentRefreshWidgets = new Intent(LargeWidgetProvider.WIDGET_UPDATE);
				this.sendBroadcast(intentRefreshWidgets);
				

			}
			
		}
		catch (Exception e)
		{
			Log.e(TAG, "An error occured: " + e.getMessage());
		}
		finally
		{
			Wakelock.releaseWakelock();
		}

		
		stopSelf();
	}

	@Override
	public IBinder onBind(Intent intent)
	{
		return null;
	}
	
	@Override
	public void onDestroy()
	{
		Log.e(TAG, "Destroyed at" + DateUtils.now());
		Wakelock.releaseWakelock();
	}

}