1 /* 2 * Copyright (C) 2016 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.car; 18 19 import android.annotation.IntDef; 20 import android.app.UiModeManager; 21 import android.car.hardware.CarPropertyValue; 22 import android.car.hardware.property.CarPropertyEvent; 23 import android.car.hardware.property.ICarPropertyEventListener; 24 import android.content.Context; 25 import android.hardware.automotive.vehicle.V2_0.VehicleProperty; 26 import android.os.RemoteException; 27 import android.util.Log; 28 29 import java.io.PrintWriter; 30 import java.lang.annotation.Retention; 31 import java.lang.annotation.RetentionPolicy; 32 import java.util.List; 33 34 public class CarNightService implements CarServiceBase { 35 36 public static final boolean DBG = false; 37 38 @IntDef({FORCED_SENSOR_MODE, FORCED_DAY_MODE, FORCED_NIGHT_MODE}) 39 @Retention(RetentionPolicy.SOURCE) 40 public @interface DayNightSensorMode {} 41 42 public static final int FORCED_SENSOR_MODE = 0; 43 public static final int FORCED_DAY_MODE = 1; 44 public static final int FORCED_NIGHT_MODE = 2; 45 46 private int mNightSetting = UiModeManager.MODE_NIGHT_YES; 47 private int mForcedMode = FORCED_SENSOR_MODE; 48 private final Context mContext; 49 private final UiModeManager mUiModeManager; 50 private CarPropertyService mCarPropertyService; 51 52 private final ICarPropertyEventListener mICarPropertyEventListener = 53 new ICarPropertyEventListener.Stub() { 54 @Override 55 public void onEvent(List<CarPropertyEvent> events) throws RemoteException { 56 for (CarPropertyEvent event : events) { 57 handlePropertyEvent(event); 58 } 59 } 60 }; 61 62 /** 63 * Handle CarPropertyEvents 64 * @param event 65 */ handlePropertyEvent(CarPropertyEvent event)66 public synchronized void handlePropertyEvent(CarPropertyEvent event) { 67 if (event == null) { 68 return; 69 } 70 if (event.getEventType() == CarPropertyEvent.PROPERTY_EVENT_PROPERTY_CHANGE) { 71 // Only handle onChange events 72 CarPropertyValue value = event.getCarPropertyValue(); 73 if (value.getPropertyId() == VehicleProperty.NIGHT_MODE) { 74 boolean nightMode = (Boolean) value.getValue(); 75 if (nightMode) { 76 mNightSetting = UiModeManager.MODE_NIGHT_YES; 77 if (DBG) Log.d(CarLog.TAG_SENSOR, "CAR dayNight handleSensorEvent NIGHT"); 78 } else { 79 mNightSetting = UiModeManager.MODE_NIGHT_NO; 80 if (DBG) Log.d(CarLog.TAG_SENSOR, "CAR dayNight handleSensorEvent DAY"); 81 } 82 if (mUiModeManager != null && (mForcedMode == FORCED_SENSOR_MODE)) { 83 mUiModeManager.setNightMode(mNightSetting); 84 if (DBG) Log.d(CarLog.TAG_SENSOR, "CAR dayNight handleSensorEvent APPLIED"); 85 } else { 86 if (DBG) Log.d(CarLog.TAG_SENSOR, "CAR dayNight handleSensorEvent IGNORED"); 87 } 88 } 89 } 90 } 91 forceDayNightMode(@ayNightSensorMode int mode)92 public synchronized int forceDayNightMode(@DayNightSensorMode int mode) { 93 if (mUiModeManager == null) { 94 return -1; 95 } 96 int resultMode; 97 switch (mode) { 98 case FORCED_SENSOR_MODE: 99 resultMode = mNightSetting; 100 mForcedMode = FORCED_SENSOR_MODE; 101 break; 102 case FORCED_DAY_MODE: 103 resultMode = UiModeManager.MODE_NIGHT_NO; 104 mForcedMode = FORCED_DAY_MODE; 105 break; 106 case FORCED_NIGHT_MODE: 107 resultMode = UiModeManager.MODE_NIGHT_YES; 108 mForcedMode = FORCED_NIGHT_MODE; 109 break; 110 default: 111 Log.e(CarLog.TAG_SENSOR, "Unknown forced day/night mode " + mode); 112 return -1; 113 } 114 mUiModeManager.setNightMode(resultMode); 115 return mUiModeManager.getNightMode(); 116 } 117 CarNightService(Context context, CarPropertyService propertyService)118 CarNightService(Context context, CarPropertyService propertyService) { 119 mContext = context; 120 mCarPropertyService = propertyService; 121 mUiModeManager = (UiModeManager) mContext.getSystemService(Context.UI_MODE_SERVICE); 122 if (mUiModeManager == null) { 123 Log.w(CarLog.TAG_SENSOR, "Failed to get UI_MODE_SERVICE"); 124 } 125 } 126 127 @Override init()128 public synchronized void init() { 129 if (DBG) { 130 Log.d(CarLog.TAG_SENSOR,"CAR dayNight init."); 131 } 132 mCarPropertyService.registerListener(VehicleProperty.NIGHT_MODE, 0, 133 mICarPropertyEventListener); 134 } 135 136 @Override release()137 public synchronized void release() { 138 } 139 140 @Override dump(PrintWriter writer)141 public synchronized void dump(PrintWriter writer) { 142 writer.println("*DAY NIGHT POLICY*"); 143 writer.println("Mode:" + 144 ((mNightSetting == UiModeManager.MODE_NIGHT_YES) ? "night" : "day")); 145 writer.println("Forced Mode? " + (mForcedMode == FORCED_SENSOR_MODE ? "false" 146 : (mForcedMode == FORCED_DAY_MODE ? "day" : "night"))); 147 } 148 } 149