Brad Ebinger | 63a89f2 | 2015-12-08 17:57:59 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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.server.telecom; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.os.PowerManager; |
Brad Ebinger | a3eccfe | 2016-10-05 15:45:22 -0700 | [diff] [blame] | 21 | import android.telecom.Log; |
Brad Ebinger | 63a89f2 | 2015-12-08 17:57:59 -0800 | [diff] [blame] | 22 | |
| 23 | /** |
| 24 | * Container for PowerManager / PowerManager.WakeLock access in telecom to facilitate unit testing. |
| 25 | */ |
| 26 | public class TelecomWakeLock { |
| 27 | |
| 28 | public class WakeLockAdapter { |
| 29 | |
| 30 | private PowerManager.WakeLock mWakeLock; |
| 31 | |
| 32 | public WakeLockAdapter(PowerManager.WakeLock wakeLock) { |
| 33 | mWakeLock = wakeLock; |
| 34 | } |
| 35 | |
| 36 | public void acquire() { |
| 37 | mWakeLock.acquire(); |
| 38 | } |
| 39 | |
| 40 | public boolean isHeld() { |
| 41 | return mWakeLock.isHeld(); |
| 42 | } |
| 43 | |
| 44 | public void release(int flags) { |
| 45 | mWakeLock.release(flags); |
| 46 | } |
| 47 | |
| 48 | public void setReferenceCounted(boolean isReferencedCounted){ |
| 49 | mWakeLock.setReferenceCounted(isReferencedCounted); |
| 50 | } |
| 51 | |
| 52 | } |
| 53 | |
| 54 | private static final String TAG = "TelecomWakeLock"; |
| 55 | |
| 56 | private Context mContext; |
| 57 | private int mWakeLockLevel; |
| 58 | private String mWakeLockTag; |
| 59 | private WakeLockAdapter mWakeLock; |
| 60 | |
| 61 | public TelecomWakeLock(Context context, int wakeLockLevel, String wakeLockTag) { |
| 62 | mContext = context; |
| 63 | mWakeLockLevel = wakeLockLevel; |
| 64 | mWakeLockTag = wakeLockTag; |
| 65 | mWakeLock = getWakeLockFromPowerManager(); |
| 66 | } |
| 67 | |
| 68 | // Used For Testing |
| 69 | public TelecomWakeLock(Context context, WakeLockAdapter wakeLockAdapter, int wakeLockLevel, |
| 70 | String wakeLockTag) { |
| 71 | mContext = context; |
| 72 | mWakeLockLevel = wakeLockLevel; |
| 73 | mWakeLockTag = wakeLockTag; |
| 74 | mWakeLock = wakeLockAdapter; |
| 75 | } |
| 76 | |
| 77 | private WakeLockAdapter getWakeLockFromPowerManager() { |
| 78 | PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| 79 | WakeLockAdapter adapter = null; |
| 80 | if(powerManager.isWakeLockLevelSupported(mWakeLockLevel)) { |
| 81 | PowerManager.WakeLock wakeLock = powerManager.newWakeLock(mWakeLockLevel, mWakeLockTag); |
| 82 | adapter = new WakeLockAdapter(wakeLock); |
| 83 | } |
| 84 | return adapter; |
| 85 | } |
| 86 | |
| 87 | public boolean isHeld() { |
| 88 | return mWakeLock != null && mWakeLock.isHeld(); |
| 89 | } |
| 90 | |
| 91 | public void acquire() { |
| 92 | if(mWakeLock == null) { |
| 93 | Log.i(TAG, "Can not acquire WakeLock (not supported) with level: " + mWakeLockLevel); |
| 94 | return; |
| 95 | } |
| 96 | |
| 97 | if (!isHeld()) { |
| 98 | mWakeLock.acquire(); |
| 99 | Log.i(TAG, "Acquiring WakeLock with id: " + mWakeLockLevel); |
| 100 | } else { |
| 101 | Log.i(TAG, "WakeLock already acquired for id: " + mWakeLockLevel); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | public void release(int flags) { |
| 106 | if (mWakeLock == null) { |
| 107 | Log.i(TAG, "Can not release WakeLock (not supported) with id: " + mWakeLockLevel); |
| 108 | return; |
| 109 | } |
| 110 | |
| 111 | if (isHeld()) { |
| 112 | mWakeLock.release(flags); |
| 113 | Log.i(TAG, "Releasing WakeLock with id: " + mWakeLockLevel); |
| 114 | } else { |
| 115 | Log.i(TAG, "WakeLock already released with id: " + mWakeLockLevel); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | public void setReferenceCounted(boolean isReferencedCounted) { |
| 120 | if (mWakeLock == null) { |
| 121 | return; |
| 122 | } |
| 123 | mWakeLock.setReferenceCounted(isReferencedCounted); |
| 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public String toString() { |
| 128 | if(mWakeLock != null) { |
| 129 | return mWakeLock.toString(); |
| 130 | } else { |
| 131 | return "null"; |
| 132 | } |
| 133 | } |
| 134 | } |