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     public class InVehicleActivityDetector : ActivityDetector
  14     {
  15         /// <summary>
  16         /// Gets the state of in-vehicle activity detector
  17         /// </summary>
  18         public DetectorState InVehicle { get; private set; }
  19
  20         /// <summary>
  21         /// Returns true or false based on whether in-vehicle activity detector is supported by device.
  22         /// </summary>
  23         public static bool IsSupported
  24         {
  25             get
  26             {
  27                 Log.Info(Globals.LogTag, "Checking if the in-vehicle activity detector is supported");
  28                 return CheckIfSupported();
  29             }
  30         }
  31
  32         /// <summary>
  33         /// Returns the number of in-vehicle activity detector available on the device.
  34         /// </summary>
  35         public static int Count
  36         {
  37             get
  38             {
  39                 Log.Info(Globals.LogTag, "Getting the count of in-vehicle activity detectors");
  40                 return GetCount();
  41             }
  42         }
  43
  44         /// <summary>
  45         /// Initializes a new instance of the <see cref="Tizen.System.Sensor.InVehicleActivityDetector"/> class.
  46         /// </summary>
  47         /// <param name='index'>
  48         /// Index. Default value for this is 0. Index refers to a particular in-vehicle activity detector in case of multiple sensors.
  49         /// </param>
  50         public InVehicleActivityDetector(int index = 0) : base(index)
  51         {
  52             SetAttribute((SensorAttribute)ActivityAttribute, (int)ActivityType.InVehicle);
  53             Log.Info(Globals.LogTag, "Creating in-vehicle activity detector object");
  54         }
  55
  56         private static bool CheckIfSupported()
  57         {
  58             bool isSupported;
  59             int error = Interop.SensorManager.SensorIsSupported(SensorType.InVehicleActivityDetector, out isSupported);
  60             if (error != (int)SensorError.None)
  61             {
  62                 Log.Error(Globals.LogTag, "Error checking if in-vehicle activity detector is supported");
  63                 isSupported = false;
  64             }
  65             return isSupported;
  66         }
  67
  68         private static int GetCount()
  69         {
  70             IntPtr list;
  71             int count;
  72             int error = Interop.SensorManager.GetSensorList(SensorType.InVehicleActivityDetector, out list, out count);
  73             if (error != (int)SensorError.None)
  74             {
  75                 Log.Error(Globals.LogTag, "Error getting sensor list for in-vehicle activity detector");
  76                 count = 0;
  77             }
  78             else
  79                 Interop.Libc.Free(list);
  80             return count;
  81         }
  82
  83         /// <summary>
  84         /// Event Handler for storing the callback functions for event corresponding to change in in-vehicle activity detector data.
  85         /// </summary>
  86         public event EventHandler<InVehicleActivityDetectorDataUpdatedEventArgs> DataUpdated;
  87
  88         protected override void SensorEventCallback(IntPtr sensorHandle, IntPtr sensorPtr, IntPtr data)
  89         {
  90             Interop.SensorEventStruct sensorData = Interop.IntPtrToEventStruct(sensorPtr);
  91             TimeSpan = new TimeSpan((Int64)sensorData.timestamp);
  92             InVehicle = (DetectorState)sensorData.values[0];
  93             ActivityAccuracy = (SensorDataAccuracy) sensorData.accuracy;
  94
  95             DataUpdated?.Invoke(this, new InVehicleActivityDetectorDataUpdatedEventArgs(sensorData.values[0]));
  96         }
  97
  98         internal override SensorType GetSensorType()
  99         {
 100             return SensorType.InVehicleActivityDetector;
 101         }
 102     }
 103 }