src/Tizen.Convergence/Interop/Interop.Internal.Conv.Channel.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 using System.Runtime.InteropServices;
  11 using Tizen;
  12 using Tizen.Convergence;
  13
  14 internal static partial class Interop
  15 {
  16     internal static partial class Internal
  17     {
  18         internal static partial class ConvChannel
  19         {
  20             [DllImport(Libraries.Convergence, EntryPoint = "conv_channel_create")]
  21             internal static extern int Create(out ConvChannelHandle /* conv_channel_h */ handle);
  22
  23             [DllImport(Libraries.Convergence, EntryPoint = "conv_channel_destroy")]
  24             internal static extern int Destroy(IntPtr /* conv_channel_h */ handle);
  25
  26             [DllImport(Libraries.Convergence, EntryPoint = "conv_channel_get_string")]
  27             internal static extern int GetString(ConvChannelHandle /* conv_channel_h */ handle, string key, out IntPtr value);
  28
  29             [DllImport(Libraries.Convergence, EntryPoint = "conv_channel_set_string")]
  30             internal static extern int SetString(ConvChannelHandle /* conv_channel_h */ handle, string key, string value);
  31         }
  32
  33         internal class ConvChannelHandle : TizenSafeHandle
  34         {
  35             private bool _ownsHandle = true;
  36
  37             public ConvChannelHandle(): base()
  38             {
  39
  40             }
  41
  42             public ConvChannelHandle(IntPtr handle)
  43                 : base(handle)
  44             {
  45             }
  46
  47             public ConvChannelHandle(IntPtr handle, bool ownsHandle)
  48                 : base(handle)
  49             {
  50                 _ownsHandle = ownsHandle;
  51             }
  52
  53             public override void Destroy()
  54             {
  55                 if (_ownsHandle && handle != IntPtr.Zero)
  56                 {
  57                     var err = ConvChannel.Destroy(this.handle);
  58                     if (err != (int)ConvErrorCode.None)
  59                     {
  60                         Log.Error(ErrorFactory.LogTag, "Failed to destroy conv channel handle");
  61                         throw ErrorFactory.GetException(err);
  62                     }
  63                 }
  64             }
  65         }
  66     }
  67 }