| /* |
| * Copyright (C) 2016 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.car; |
| |
| import android.annotation.IntDef; |
| import android.app.UiModeManager; |
| import android.car.hardware.CarSensorEvent; |
| import android.car.hardware.CarSensorManager; |
| import android.car.hardware.ICarSensorEventListener; |
| import android.content.Context; |
| import android.util.Log; |
| |
| import java.io.PrintWriter; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.List; |
| |
| |
| public class CarNightService implements CarServiceBase { |
| |
| public static final boolean DBG = false; |
| |
| @IntDef({FORCED_SENSOR_MODE, FORCED_DAY_MODE, FORCED_NIGHT_MODE}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface DayNightSensorMode {} |
| |
| public static final int FORCED_SENSOR_MODE = 0; |
| public static final int FORCED_DAY_MODE = 1; |
| public static final int FORCED_NIGHT_MODE = 2; |
| |
| private int mNightSetting = UiModeManager.MODE_NIGHT_YES; |
| private int mForcedMode = FORCED_SENSOR_MODE; |
| private final Context mContext; |
| private final UiModeManager mUiModeManager; |
| private CarSensorService mCarSensorService; |
| |
| private final ICarSensorEventListener mICarSensorEventListener = |
| new ICarSensorEventListener.Stub() { |
| @Override |
| public void onSensorChanged(List<CarSensorEvent> events) { |
| if (!events.isEmpty()) { |
| CarSensorEvent event = events.get(events.size() - 1); |
| handleSensorEvent(event); |
| } |
| } |
| }; |
| |
| public synchronized void handleSensorEvent(CarSensorEvent event) { |
| if (event == null) { |
| return; |
| } |
| if (event.sensorType == CarSensorManager.SENSOR_TYPE_NIGHT) { |
| if (event.intValues[0] == 1) { |
| mNightSetting = UiModeManager.MODE_NIGHT_YES; |
| } |
| else { |
| mNightSetting = UiModeManager.MODE_NIGHT_NO; |
| } |
| if (mUiModeManager != null && (mForcedMode == FORCED_SENSOR_MODE)) { |
| mUiModeManager.setNightMode(mNightSetting); |
| } |
| } |
| } |
| |
| public synchronized int forceDayNightMode(@DayNightSensorMode int mode) { |
| if (mUiModeManager == null) { |
| return -1; |
| } |
| int resultMode; |
| switch (mode) { |
| case FORCED_SENSOR_MODE: |
| resultMode = mNightSetting; |
| mForcedMode = FORCED_SENSOR_MODE; |
| break; |
| case FORCED_DAY_MODE: |
| resultMode = UiModeManager.MODE_NIGHT_NO; |
| mForcedMode = FORCED_DAY_MODE; |
| break; |
| case FORCED_NIGHT_MODE: |
| resultMode = UiModeManager.MODE_NIGHT_YES; |
| mForcedMode = FORCED_NIGHT_MODE; |
| break; |
| default: |
| Log.e(CarLog.TAG_SENSOR, "Unknown forced day/night mode " + mode); |
| return -1; |
| } |
| mUiModeManager.setNightMode(resultMode); |
| return mUiModeManager.getNightMode(); |
| } |
| |
| CarNightService(Context context, CarSensorService sensorService) { |
| mContext = context; |
| mCarSensorService = sensorService; |
| mUiModeManager = (UiModeManager) mContext.getSystemService(Context.UI_MODE_SERVICE); |
| if (mUiModeManager == null) { |
| Log.w(CarLog.TAG_SENSOR,"Failed to get UI_MODE_SERVICE"); |
| } |
| } |
| |
| @Override |
| public synchronized void init() { |
| if (DBG) { |
| Log.d(CarLog.TAG_SENSOR,"CAR dayNight init."); |
| } |
| mCarSensorService.registerOrUpdateSensorListener(CarSensorManager.SENSOR_TYPE_NIGHT, |
| CarSensorManager.SENSOR_RATE_NORMAL, mICarSensorEventListener); |
| CarSensorEvent currentState = mCarSensorService.getLatestSensorEvent( |
| CarSensorManager.SENSOR_TYPE_NIGHT); |
| handleSensorEvent(currentState); |
| } |
| |
| @Override |
| public synchronized void release() { |
| } |
| |
| @Override |
| public synchronized void dump(PrintWriter writer) { |
| writer.println("*DAY NIGHT POLICY*"); |
| writer.println("Mode:" + ((mNightSetting == UiModeManager.MODE_NIGHT_YES) ? "night" : "day") |
| ); |
| writer.println("Forced Mode? " + (mForcedMode == FORCED_SENSOR_MODE ? "false" |
| : (mForcedMode == FORCED_DAY_MODE ? "day" : "night"))); |
| } |
| } |