SyncUtils.java

/*
 * DeliciousDroid - http://code.google.com/p/DeliciousDroid/
 *
 * Copyright (C) 2010 Matt Schmidt
 *
 * DeliciousDroid is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 3 of the License,
 * or (at your option) any later version.
 *
 * DeliciousDroid is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with DeliciousDroid; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package com.deliciousdroid.util;

import com.deliciousdroid.Constants;
import com.deliciousdroid.syncadapter.PeriodicSyncReceiver;

import android.annotation.TargetApi;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.ContentResolver;
import android.content.Context;
import android.os.Bundle;
import android.os.SystemClock;

public class SyncUtils {

	@TargetApi(8)
	public static void addPeriodicSync(String authority, Bundle extras, long frequency, Context context) {
		long pollFrequencyMsec = frequency * 60000;
		
		if(android.os.Build.VERSION.SDK_INT < 8) {
			AlarmManager manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
	
			int type = AlarmManager.ELAPSED_REALTIME_WAKEUP;
			long triggerAtTime = SystemClock.elapsedRealtime() + pollFrequencyMsec;
			long interval = pollFrequencyMsec;
			PendingIntent operation = PeriodicSyncReceiver.createPendingIntent(context, authority, extras);
	
			manager.setInexactRepeating(type, triggerAtTime, interval, operation);
		} else {	
			AccountManager am = AccountManager.get(context);
			Account[] accounts = am.getAccountsByType(Constants.ACCOUNT_TYPE);
			
			for(Account a : accounts) {
				
				ContentResolver.addPeriodicSync(a, authority, extras, frequency * 60);
			}
		}
	}
	
	@TargetApi(8)
    public static void removePeriodicSync(String authority, Bundle extras, Context context) {	
    	if(android.os.Build.VERSION.SDK_INT >= 8) {
			AccountManager am = AccountManager.get(context);
			Account[] accounts = am.getAccountsByType(Constants.ACCOUNT_TYPE);
			
			for(Account a : accounts) {
				ContentResolver.removePeriodicSync(a, authority, extras);
			}
    	}
    		
        AlarmManager manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
        PendingIntent operation = PeriodicSyncReceiver.createPendingIntent(context, authority, extras);
        manager.cancel(operation);
    }
    
    public static void clearSyncMarkers(Context context){
		Account[] accounts = AccountManager.get(context).getAccountsByType(Constants.ACCOUNT_TYPE);
		for(Account a : accounts){
			AccountManager.get(context).setUserData(a, Constants.SYNC_MARKER_KEY, "0");
		}
    }
}