Tizen.System.Sensor/Tizen.System.Sensor/Plugins/InVehicleActivityDetector.cs

   1 // Copyright 2016 by Samsung Electronics, Inc.,
   2 //
   3 // This software is the confidential and proprietary information
   4 // of Samsung Electronics, Inc. ("Confidential Information"). You
   5 // shall not disclose such Confidential Information and shall use
   6 // it only in accordance with the terms of the license agreement
   7 // you entered into with Samsung.
   8
   9 using System;
  10
  11 namespace Tizen.System.Sensor
  12 {
  13     /// <summary>
  14     /// InVehicleActivityDetector Class. Used for registering callbacks for in vehicle activity detector and getting the in vehicle state
  15     /// </summary>
  16     public class InVehicleActivityDetector : ActivityDetector
  17     {
  18         /// <summary>
  19         /// Gets the state of in-vehicle activity detector
  20         /// </summary>
  21         public DetectorState InVehicle { get; private set; }
  22
  23         /// <summary>
  24         /// Returns true or false based on whether in-vehicle activity detector is supported by device.
  25         /// </summary>
  26         public static bool IsSupported
  27         {
  28             get
  29             {
  30                 Log.Info(Globals.LogTag, "Checking if the in-vehicle activity detector is supported");
  31                 return CheckIfSupported();
  32             }
  33         }
  34
  35         /// <summary>
  36         /// Returns the number of in-vehicle activity detector available on the device.
  37         /// </summary>
  38         public static int Count
  39         {
  40             get
  41             {
  42                 Log.Info(Globals.LogTag, "Getting the count of in-vehicle activity detectors");
  43                 return GetCount();
  44             }
  45         }
  46
  47         /// <summary>
  48         /// Initializes a new instance of the <see cref="Tizen.System.Sensor.InVehicleActivityDetector"/> class.
  49         /// </summary>
  50         /// <param name='index'>
  51         /// Index. Default value for this is 0. Index refers to a particular in-vehicle activity detector in case of multiple sensors.
  52         /// </param>
  53         public InVehicleActivityDetector(int index = 0) : base(index)
  54         {
  55             SetAttribute((SensorAttribute)ActivityAttribute, (int)ActivityType.InVehicle);
  56             Log.Info(Globals.LogTag, "Creating in-vehicle activity detector object");
  57         }
  58
  59         private static bool CheckIfSupported()
  60         {
  61             bool isSupported;
  62             int error = Interop.SensorManager.SensorIsSupported(SensorType.InVehicleActivityDetector, out isSupported);
  63             if (error != (int)SensorError.None)
  64             {
  65                 Log.Error(Globals.LogTag, "Error checking if in-vehicle activity detector is supported");
  66                 isSupported = false;
  67             }
  68             return isSupported;
  69         }
  70
  71         private static int GetCount()
  72         {
  73             IntPtr list;
  74             int count;
  75             int error = Interop.SensorManager.GetSensorList(SensorType.InVehicleActivityDetector, out list, out count);
  76             if (error != (int)SensorError.None)
  77             {
  78                 Log.Error(Globals.LogTag, "Error getting sensor list for in-vehicle activity detector");
  79                 count = 0;
  80             }
  81             else
  82                 Interop.Libc.Free(list);
  83             return count;
  84         }
  85
  86         /// <summary>
  87         /// Event Handler for storing the callback functions for event corresponding to change in in-vehicle activity detector data.
  88         /// </summary>
  89         public event EventHandler<InVehicleActivityDetectorDataUpdatedEventArgs> DataUpdated;
  90
  91         protected override void SensorEventCallback(IntPtr sensorHandle, IntPtr sensorPtr, IntPtr data)
  92         {
  93             Interop.SensorEventStruct sensorData = Interop.IntPtrToEventStruct(sensorPtr);
  94             TimeSpan = new TimeSpan((Int64)sensorData.timestamp);
  95             InVehicle = (DetectorState)sensorData.values[0];
  96             ActivityAccuracy = (SensorDataAccuracy) sensorData.accuracy;
  97
  98             DataUpdated?.Invoke(this, new InVehicleActivityDetectorDataUpdatedEventArgs(sensorData.values[0]));
  99         }
 100
 101         internal override SensorType GetSensorType()
 102         {
 103             return SensorType.InVehicleActivityDetector;
 104         }
 105     }
 106 }