| /* |
| * Copyright (C) 2015 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.server.telecom; |
| |
| import android.content.Context; |
| import android.os.PowerManager; |
| import android.telecom.Log; |
| |
| /** |
| * Container for PowerManager / PowerManager.WakeLock access in telecom to facilitate unit testing. |
| */ |
| public class TelecomWakeLock { |
| |
| public class WakeLockAdapter { |
| |
| private PowerManager.WakeLock mWakeLock; |
| |
| public WakeLockAdapter(PowerManager.WakeLock wakeLock) { |
| mWakeLock = wakeLock; |
| } |
| |
| public void acquire() { |
| mWakeLock.acquire(); |
| } |
| |
| public boolean isHeld() { |
| return mWakeLock.isHeld(); |
| } |
| |
| public void release(int flags) { |
| mWakeLock.release(flags); |
| } |
| |
| public void setReferenceCounted(boolean isReferencedCounted){ |
| mWakeLock.setReferenceCounted(isReferencedCounted); |
| } |
| |
| } |
| |
| private static final String TAG = "TelecomWakeLock"; |
| |
| private Context mContext; |
| private int mWakeLockLevel; |
| private String mWakeLockTag; |
| private WakeLockAdapter mWakeLock; |
| |
| public TelecomWakeLock(Context context, int wakeLockLevel, String wakeLockTag) { |
| mContext = context; |
| mWakeLockLevel = wakeLockLevel; |
| mWakeLockTag = wakeLockTag; |
| mWakeLock = getWakeLockFromPowerManager(); |
| } |
| |
| // Used For Testing |
| public TelecomWakeLock(Context context, WakeLockAdapter wakeLockAdapter, int wakeLockLevel, |
| String wakeLockTag) { |
| mContext = context; |
| mWakeLockLevel = wakeLockLevel; |
| mWakeLockTag = wakeLockTag; |
| mWakeLock = wakeLockAdapter; |
| } |
| |
| private WakeLockAdapter getWakeLockFromPowerManager() { |
| PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| WakeLockAdapter adapter = null; |
| if(powerManager.isWakeLockLevelSupported(mWakeLockLevel)) { |
| PowerManager.WakeLock wakeLock = powerManager.newWakeLock(mWakeLockLevel, mWakeLockTag); |
| adapter = new WakeLockAdapter(wakeLock); |
| } |
| return adapter; |
| } |
| |
| public boolean isHeld() { |
| return mWakeLock != null && mWakeLock.isHeld(); |
| } |
| |
| public void acquire() { |
| if(mWakeLock == null) { |
| Log.i(TAG, "Can not acquire WakeLock (not supported) with level: " + mWakeLockLevel); |
| return; |
| } |
| |
| if (!isHeld()) { |
| mWakeLock.acquire(); |
| Log.i(TAG, "Acquiring WakeLock with id: " + mWakeLockLevel); |
| } else { |
| Log.i(TAG, "WakeLock already acquired for id: " + mWakeLockLevel); |
| } |
| } |
| |
| public void release(int flags) { |
| if (mWakeLock == null) { |
| Log.i(TAG, "Can not release WakeLock (not supported) with id: " + mWakeLockLevel); |
| return; |
| } |
| |
| if (isHeld()) { |
| mWakeLock.release(flags); |
| Log.i(TAG, "Releasing WakeLock with id: " + mWakeLockLevel); |
| } else { |
| Log.i(TAG, "WakeLock already released with id: " + mWakeLockLevel); |
| } |
| } |
| |
| public void setReferenceCounted(boolean isReferencedCounted) { |
| if (mWakeLock == null) { |
| return; |
| } |
| mWakeLock.setReferenceCounted(isReferencedCounted); |
| } |
| |
| @Override |
| public String toString() { |
| if(mWakeLock != null) { |
| return mWakeLock.toString(); |
| } else { |
| return "null"; |
| } |
| } |
| } |