1 // Copyright 2016 by Samsung Electronics, Inc.,
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.
11 namespace Tizen.Sensor
14 /// UltravioletSensor Class. Used for registering callbacks for ultraviolet sensor and getting ultraviolet data
16 public class UltravioletSensor : Sensor
18 private static string UltravioletSensorKey = "http://tizen.org/feature/sensor.ultraviolet";
21 /// Gets the value of the ultraviolet sensor.
23 public float UltravioletIndex { get; private set; }
26 /// Returns true or false based on whether ultraviolet sensor is supported by device.
28 public static bool IsSupported
32 Log.Info(Globals.LogTag, "Checking if the UltravioletSensor is supported");
33 return CheckIfSupported(SensorType.UltravioletSensor, UltravioletSensorKey);
38 /// Returns the number of ultraviolet sensors available on the device.
40 public static int Count
44 Log.Info(Globals.LogTag, "Getting the count of ultraviolet sensors");
50 /// Initializes a new instance of the <see cref="Tizen.Sensor.UltravioletSensor"/> class.
52 /// <param name='index'>
53 /// Index. Default value for this is 0. Index refers to a particular ultraviolet sensor in case of multiple sensors
55 public UltravioletSensor(int index = 0) : base(index)
57 Log.Info(Globals.LogTag, "Creating UltravioletSensor object");
60 internal override SensorType GetSensorType()
62 return SensorType.UltravioletSensor;
66 /// Event Handler for storing the callback functions for event corresponding to change in ultraviolet sensor data.
69 public event EventHandler<UltravioletSensorDataUpdatedEventArgs> DataUpdated;
72 private static int GetCount()
76 int error = Interop.SensorManager.GetSensorList(SensorType.UltravioletSensor, out list, out count);
77 if (error != (int)SensorError.None)
79 Log.Error(Globals.LogTag, "Error getting sensor list for ultraviolet");
83 Interop.Libc.Free(list);
87 protected override void EventListenStart()
89 int error = Interop.SensorListener.SetEventCallback(ListenerHandle, Interval, SensorEventCallback, IntPtr.Zero);
90 if (error != (int)SensorError.None)
92 Log.Error(Globals.LogTag, "Error setting event callback for ultraviolet sensor");
93 throw SensorErrorFactory.CheckAndThrowException(error, "Unable to set event callback for ultraviolet");
97 protected override void EventListenStop()
99 int error = Interop.SensorListener.UnsetEventCallback(ListenerHandle);
100 if (error != (int)SensorError.None)
102 Log.Error(Globals.LogTag, "Error unsetting event callback for ultraviolet sensor");
103 throw SensorErrorFactory.CheckAndThrowException(error, "Unable to unset event callback for ultraviolet");
107 private void SensorEventCallback(IntPtr sensorHandle, IntPtr sensorPtr, IntPtr data)
109 Interop.SensorEventStruct sensorData = Interop.IntPtrToEventStruct(sensorPtr);
110 TimeSpan = new TimeSpan((Int64)sensorData.timestamp);
111 UltravioletIndex = sensorData.values[0];
113 DataUpdated?.Invoke(this, new UltravioletSensorDataUpdatedEventArgs(sensorData.values[0]));