WakeLocker.java

/*
 * Copyright (c) 2015, Nils Braden
 *
 * This file is part of ttrss-reader-fork. This program 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.
 *
 * This program 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 this program; If
 * not, see http://www.gnu.org/licenses/.
 */

package org.ttrssreader.utils;

import android.annotation.SuppressLint;
import android.content.Context;
import android.os.PowerManager;

@SuppressLint("Wakelock")
public abstract class WakeLocker {

	private static final String TAG = WakeLocker.class.getSimpleName();
	private static PowerManager.WakeLock wakeLock;

	public static void acquire(Context ctx) {
		if (wakeLock != null) wakeLock.release();

		PowerManager pm = (PowerManager) ctx.getSystemService(Context.POWER_SERVICE);
		wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
		wakeLock.acquire();
	}

	public static void release() {
		if (wakeLock != null) wakeLock.release();
		wakeLock = null;
	}

}