John Spurlock | bf37099 | 2014-06-17 13:58:31 -0400 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2014 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.doze; |
| 18 | |
| 19 | import android.content.BroadcastReceiver; |
| 20 | import android.content.Context; |
| 21 | import android.content.Intent; |
| 22 | import android.content.IntentFilter; |
| 23 | import android.hardware.Sensor; |
| 24 | import android.hardware.SensorManager; |
| 25 | import android.hardware.TriggerEvent; |
| 26 | import android.hardware.TriggerEventListener; |
| 27 | import android.os.PowerManager; |
| 28 | import android.os.Vibrator; |
| 29 | import android.service.dreams.DozeHardware; |
| 30 | import android.service.dreams.DreamService; |
| 31 | import android.util.Log; |
| 32 | |
| 33 | import com.android.systemui.SystemUIApplication; |
| 34 | |
| 35 | public class DozeService extends DreamService { |
| 36 | private static final boolean DEBUG = false; |
| 37 | |
| 38 | private static final String TEASE_ACTION = "com.android.systemui.doze.tease"; |
| 39 | |
| 40 | private final String mTag = String.format("DozeService.%08x", hashCode()); |
| 41 | private final Context mContext = this; |
| 42 | |
| 43 | private Host mHost; |
| 44 | private DozeHardware mDozeHardware; |
| 45 | private SensorManager mSensors; |
| 46 | private Sensor mSigMotionSensor; |
| 47 | private PowerManager mPowerManager; |
| 48 | private PowerManager.WakeLock mWakeLock; |
| 49 | private boolean mDreaming; |
| 50 | private boolean mTeaseReceiverRegistered; |
| 51 | |
| 52 | public DozeService() { |
| 53 | if (DEBUG) Log.d(mTag, "new DozeService()"); |
| 54 | setDebug(DEBUG); |
| 55 | } |
| 56 | |
| 57 | @Override |
| 58 | public void onCreate() { |
| 59 | if (DEBUG) Log.d(mTag, "onCreate"); |
| 60 | super.onCreate(); |
| 61 | |
| 62 | if (getApplication() instanceof SystemUIApplication) { |
| 63 | final SystemUIApplication app = (SystemUIApplication) getApplication(); |
| 64 | mHost = app.getComponent(Host.class); |
| 65 | } |
| 66 | |
| 67 | setWindowless(true); |
| 68 | |
| 69 | mSensors = (SensorManager) mContext.getSystemService(Context.SENSOR_SERVICE); |
| 70 | mSigMotionSensor = mSensors.getDefaultSensor(Sensor.TYPE_SIGNIFICANT_MOTION); |
| 71 | mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| 72 | mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, mTag); |
| 73 | } |
| 74 | |
| 75 | @Override |
| 76 | public void onAttachedToWindow() { |
| 77 | if (DEBUG) Log.d(mTag, "onAttachedToWindow"); |
| 78 | super.onAttachedToWindow(); |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public void onDreamingStarted() { |
| 83 | super.onDreamingStarted(); |
| 84 | mDozeHardware = getDozeHardware(); |
| 85 | if (DEBUG) Log.d(mTag, "onDreamingStarted canDoze=" + canDoze() |
| 86 | + " dozeHardware=" + mDozeHardware); |
| 87 | mDreaming = true; |
| 88 | listenForTeaseSignals(true); |
| 89 | requestDoze(); |
| 90 | } |
| 91 | |
| 92 | public void stayAwake(long millis) { |
| 93 | if (mDreaming && millis > 0) { |
| 94 | mWakeLock.acquire(millis); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | public void startDozing() { |
| 99 | if (DEBUG) Log.d(mTag, "startDozing mDreaming=" + mDreaming); |
| 100 | if (!mDreaming) { |
| 101 | Log.w(mTag, "Not dozing, no longer dreaming"); |
| 102 | return; |
| 103 | } |
| 104 | |
| 105 | super.startDozing(); |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public void onDreamingStopped() { |
| 110 | if (DEBUG) Log.d(mTag, "onDreamingStopped isDozing=" + isDozing()); |
| 111 | super.onDreamingStopped(); |
| 112 | |
| 113 | mDreaming = false; |
| 114 | mDozeHardware = null; |
| 115 | if (mWakeLock.isHeld()) { |
| 116 | mWakeLock.release(); |
| 117 | } |
| 118 | listenForTeaseSignals(false); |
| 119 | stopDozing(); |
| 120 | dozingStopped(); |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public void onDetachedFromWindow() { |
| 125 | if (DEBUG) Log.d(mTag, "onDetachedFromWindow"); |
| 126 | super.onDetachedFromWindow(); |
| 127 | |
| 128 | dozingStopped(); |
| 129 | } |
| 130 | |
| 131 | @Override |
| 132 | public void onDestroy() { |
| 133 | if (DEBUG) Log.d(mTag, "onDestroy"); |
| 134 | super.onDestroy(); |
| 135 | |
| 136 | dozingStopped(); |
| 137 | } |
| 138 | |
| 139 | private void requestDoze() { |
| 140 | if (mHost != null) { |
| 141 | mHost.requestDoze(this); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | private void requestTease() { |
| 146 | if (mHost != null) { |
| 147 | mHost.requestTease(this); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | private void dozingStopped() { |
| 152 | if (mHost != null) { |
| 153 | mHost.dozingStopped(this); |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | private void listenForTeaseSignals(boolean listen) { |
| 158 | if (DEBUG) Log.d(mTag, "listenForTeaseSignals: " + listen); |
| 159 | if (mHost == null) return; |
| 160 | listenForSignificantMotion(listen); |
| 161 | if (listen) { |
| 162 | mContext.registerReceiver(mTeaseReceiver, new IntentFilter(TEASE_ACTION)); |
| 163 | mTeaseReceiverRegistered = true; |
| 164 | mHost.addCallback(mHostCallback); |
| 165 | } else { |
| 166 | if (mTeaseReceiverRegistered) { |
| 167 | mContext.unregisterReceiver(mTeaseReceiver); |
| 168 | } |
| 169 | mTeaseReceiverRegistered = false; |
| 170 | mHost.removeCallback(mHostCallback); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | private void listenForSignificantMotion(boolean listen) { |
| 175 | if (mSigMotionSensor == null) return; |
| 176 | if (listen) { |
| 177 | mSensors.requestTriggerSensor(mSigMotionListener, mSigMotionSensor); |
| 178 | } else { |
| 179 | mSensors.cancelTriggerSensor(mSigMotionListener, mSigMotionSensor); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | private static String triggerEventToString(TriggerEvent event) { |
| 184 | if (event == null) return null; |
| 185 | final StringBuilder sb = new StringBuilder("TriggerEvent[") |
| 186 | .append(event.timestamp).append(',') |
| 187 | .append(event.sensor.getName()); |
| 188 | if (event.values != null) { |
| 189 | for (int i = 0; i < event.values.length; i++) { |
| 190 | sb.append(',').append(event.values[i]); |
| 191 | } |
| 192 | } |
| 193 | return sb.append(']').toString(); |
| 194 | } |
| 195 | |
| 196 | private final TriggerEventListener mSigMotionListener = new TriggerEventListener() { |
| 197 | @Override |
| 198 | public void onTrigger(TriggerEvent event) { |
| 199 | if (DEBUG) Log.d(mTag, "sigMotion.onTrigger: " + triggerEventToString(event)); |
| 200 | if (DEBUG) { |
| 201 | final Vibrator v = (Vibrator) mContext.getSystemService(Context.VIBRATOR_SERVICE); |
| 202 | if (v != null) { |
| 203 | v.vibrate(1000); |
| 204 | } |
| 205 | } |
| 206 | requestTease(); |
| 207 | listenForSignificantMotion(true); // reregister, this sensor only fires once |
| 208 | } |
| 209 | }; |
| 210 | |
| 211 | private final BroadcastReceiver mTeaseReceiver = new BroadcastReceiver() { |
| 212 | @Override |
| 213 | public void onReceive(Context context, Intent intent) { |
| 214 | if (DEBUG) Log.d(mTag, "Received tease intent"); |
| 215 | requestTease(); |
| 216 | } |
| 217 | }; |
| 218 | |
| 219 | private final Host.Callback mHostCallback = new Host.Callback() { |
| 220 | @Override |
| 221 | public void onNewNotifications() { |
| 222 | if (DEBUG) Log.d(mTag, "onNewNotifications"); |
| 223 | requestTease(); |
| 224 | } |
| 225 | }; |
| 226 | |
| 227 | public interface Host { |
| 228 | void addCallback(Callback callback); |
| 229 | void removeCallback(Callback callback); |
| 230 | void requestDoze(DozeService dozeService); |
| 231 | void requestTease(DozeService dozeService); |
| 232 | void dozingStopped(DozeService dozeService); |
| 233 | |
| 234 | public interface Callback { |
| 235 | void onNewNotifications(); |
| 236 | } |
| 237 | } |
| 238 | } |