MotoActions/src/org/lineageos/settings/device/SensorHelper.java

   1 /*
   2  * Copyright (c) 2015 The CyanogenMod Project
   3  * Copyright (c) 2017 The LineageOS Project
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 package org.lineageos.settings.device;
  19
  20 import java.util.List;
  21 import java.io.FileOutputStream;
  22 import java.io.IOException;
  23 import java.io.OutputStreamWriter;
  24
  25 import android.content.Context;
  26 import android.hardware.Sensor;
  27 import android.hardware.SensorEventListener;
  28 import android.hardware.SensorManager;
  29 import android.hardware.TriggerEventListener;
  30 import android.util.Log;
  31
  32 public class SensorHelper {
  33     private static final String TAG = "MotoActions";
  34
  35     private static final int SENSOR_TYPE_MMI_CAMERA_ACTIVATION = 65540;
  36     private static final int SENSOR_TYPE_MMI_CHOP_CHOP = 65546;
  37     private static final int SENSOR_TYPE_MMI_FLAT_UP = 65537;
  38     private static final int SENSOR_TYPE_MMI_FLAT_DOWN = 65538;
  39     private static final int SENSOR_TYPE_MMI_STOW = 65539;
  40     private static final int SENSOR_TYPE_MMI_GLANCE = 65548;
  41     private static final int SENSOR_TYPE_MMI_GLANCE_APPROACH = 65555;
  42
  43     private static final int BATCH_LATENCY_IN_MS = 100;
  44
  45     private final Context mContext;
  46     private final SensorManager mSensorManager;
  47
  48     public SensorHelper(Context context) {
  49         mContext = context;
  50         mSensorManager = (SensorManager) mContext .getSystemService(Context.SENSOR_SERVICE);
  51         dumpSensorsList();
  52     }
  53
  54     private void dumpSensorsList() {
  55         try {
  56             FileOutputStream out = mContext.openFileOutput("sensors.txt", Context.MODE_PRIVATE);
  57             OutputStreamWriter writer = new OutputStreamWriter(out);
  58
  59             List<Sensor> sensorList = mSensorManager.getSensorList(Sensor.TYPE_ALL);
  60             for (Sensor sensor : sensorList) {
  61                 writer.write("sensor " + sensor.getType() + " = " + sensor.getName()
  62                     + " max batch: " + sensor.getFifoMaxEventCount() + " isWakeUp: " + sensor.isWakeUpSensor() + "\n");
  63             }
  64             writer.close();
  65         } catch (IOException e) {
  66             throw new RuntimeException(e);
  67         }
  68     }
  69
  70     public Sensor getCameraActivationSensor() {
  71         return mSensorManager.getDefaultSensor(SENSOR_TYPE_MMI_CAMERA_ACTIVATION, true);
  72     }
  73
  74     public Sensor getChopChopSensor() {
  75         return mSensorManager.getDefaultSensor(SENSOR_TYPE_MMI_CHOP_CHOP, true);
  76     }
  77
  78     public Sensor getFlatUpSensor() {
  79         return mSensorManager.getDefaultSensor(SENSOR_TYPE_MMI_FLAT_UP, true);
  80     }
  81
  82     public Sensor getFlatDownSensor() {
  83         return mSensorManager.getDefaultSensor(SENSOR_TYPE_MMI_FLAT_DOWN, true);
  84     }
  85
  86     public Sensor getGlanceSensor() {
  87         return mSensorManager.getDefaultSensor(SENSOR_TYPE_MMI_GLANCE, true);
  88     }
  89
  90     public Sensor getApproachGlanceSensor() {
  91         return mSensorManager.getDefaultSensor(SENSOR_TYPE_MMI_GLANCE_APPROACH, true);
  92     }
  93
  94     public Sensor getProximitySensor() {
  95         return mSensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY, true);
  96     }
  97
  98     public Sensor getStowSensor() {
  99         return mSensorManager.getDefaultSensor(SENSOR_TYPE_MMI_STOW, true);
 100     }
 101
 102     public void registerListener(Sensor sensor, SensorEventListener listener) {
 103         if (!mSensorManager.registerListener(listener, sensor,
 104             SensorManager.SENSOR_DELAY_NORMAL, BATCH_LATENCY_IN_MS * 1000)) {
 105             throw new RuntimeException("Failed to registerListener for sensor " + sensor);
 106         }
 107     }
 108
 109     public void unregisterListener(SensorEventListener listener) {
 110         mSensorManager.unregisterListener(listener);
 111     }
 112
 113     /* TriggerSensor */
 114     public void requestTriggerSensor(Sensor sensor, TriggerEventListener listener) {
 115         if (!mSensorManager.requestTriggerSensor(listener, sensor)) {
 116             throw new RuntimeException("Failed to requestTriggerSensor for sensor " + sensor);
 117         }
 118     }
 119
 120     public void cancelTriggerSensor(Sensor sensor, TriggerEventListener listener) {
 121         mSensorManager.cancelTriggerSensor(listener, sensor);
 122     }
 123 }