1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.systemui.util.wakelock; 18 19 import java.util.Objects; 20 21 public class SettableWakeLock { 22 23 private final WakeLock mInner; 24 private final String mWhy; 25 26 private boolean mAcquired; 27 SettableWakeLock(WakeLock inner, String why)28 public SettableWakeLock(WakeLock inner, String why) { 29 Objects.requireNonNull(inner, "inner wakelock required"); 30 31 mInner = inner; 32 mWhy = why; 33 } 34 isAcquired()35 public synchronized boolean isAcquired() { 36 return mAcquired; 37 } 38 setAcquired(boolean acquired)39 public synchronized void setAcquired(boolean acquired) { 40 if (mAcquired != acquired) { 41 if (acquired) { 42 mInner.acquire(mWhy); 43 } else { 44 mInner.release(mWhy); 45 } 46 mAcquired = acquired; 47 } 48 } 49 } 50