blob: 6af687eb2defd57c5d645f4a297f91e8d6e1d215 [file] [log] [blame]
/*
* Copyright (C) 2008 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.deskclock;
import android.content.Context;
import android.os.PowerManager;
/**
* Utility class to hold wake lock in app.
*/
public class AlarmAlertWakeLock {
private static final String TAG = "AlarmAlertWakeLock";
private static PowerManager.WakeLock sCpuWakeLock;
public static PowerManager.WakeLock createPartialWakeLock(Context context) {
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
return pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
}
public static void acquireCpuWakeLock(Context context) {
if (sCpuWakeLock != null) {
return;
}
sCpuWakeLock = createPartialWakeLock(context);
sCpuWakeLock.acquire();
}
public static void acquireScreenCpuWakeLock(Context context) {
if (sCpuWakeLock != null) {
return;
}
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
sCpuWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK
| PowerManager.ACQUIRE_CAUSES_WAKEUP | PowerManager.ON_AFTER_RELEASE, TAG);
sCpuWakeLock.acquire();
}
public static void releaseCpuLock() {
if (sCpuWakeLock != null) {
sCpuWakeLock.release();
sCpuWakeLock = null;
}
}
}