subprojects/gstreamer-sharp/sources/generated/Gst/GstSharp.TagMergeFuncNative.cs

   1 // This file was generated by the Gtk# code generator.
   2 // Any changes made will be lost if regenerated.
   3
   4 namespace GstSharp {
   5
   6         using System;
   7         using System.Runtime.InteropServices;
   8
   9 #region Autogenerated code
  10         [UnmanagedFunctionPointer (CallingConvention.Cdecl)]
  11         internal delegate void TagMergeFuncNative(IntPtr dest, IntPtr src);
  12
  13         internal class TagMergeFuncInvoker {
  14
  15                 TagMergeFuncNative native_cb;
  16                 IntPtr __data;
  17                 GLib.DestroyNotify __notify;
  18
  19                 ~TagMergeFuncInvoker ()
  20                 {
  21                         if (__notify == null)
  22                                 return;
  23                         __notify (__data);
  24                 }
  25
  26                 internal TagMergeFuncInvoker (TagMergeFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
  27
  28                 internal TagMergeFuncInvoker (TagMergeFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
  29
  30                 internal TagMergeFuncInvoker (TagMergeFuncNative native_cb, IntPtr data, GLib.DestroyNotify notify)
  31                 {
  32                         this.native_cb = native_cb;
  33                         __data = data;
  34                         __notify = notify;
  35                 }
  36
  37                 internal Gst.TagMergeFunc Handler {
  38                         get {
  39                                 return new Gst.TagMergeFunc(InvokeNative);
  40                         }
  41                 }
  42
  43                 void InvokeNative (GLib.Value dest, GLib.Value src)
  44                 {
  45                         IntPtr native_dest = GLib.Marshaller.StructureToPtrAlloc (dest);
  46                         IntPtr native_src = GLib.Marshaller.StructureToPtrAlloc (src);
  47                         native_cb (native_dest, native_src);
  48                         Marshal.FreeHGlobal (native_dest);
  49                         Marshal.FreeHGlobal (native_src);
  50                 }
  51         }
  52
  53         internal class TagMergeFuncWrapper {
  54
  55                 public void NativeCallback (IntPtr dest, IntPtr src)
  56                 {
  57                         try {
  58                                 managed ((GLib.Value) Marshal.PtrToStructure (dest, typeof (GLib.Value)), (GLib.Value) Marshal.PtrToStructure (src, typeof (GLib.Value)));
  59                                 if (release_on_call)
  60                                         gch.Free ();
  61                         } catch (Exception e) {
  62                                 GLib.ExceptionManager.RaiseUnhandledException (e, false);
  63                         }
  64                 }
  65
  66                 bool release_on_call = false;
  67                 GCHandle gch;
  68
  69                 public void PersistUntilCalled ()
  70                 {
  71                         release_on_call = true;
  72                         gch = GCHandle.Alloc (this);
  73                 }
  74
  75                 internal TagMergeFuncNative NativeDelegate;
  76                 Gst.TagMergeFunc managed;
  77
  78                 public TagMergeFuncWrapper (Gst.TagMergeFunc managed)
  79                 {
  80                         this.managed = managed;
  81                         if (managed != null)
  82                                 NativeDelegate = new TagMergeFuncNative (NativeCallback);
  83                 }
  84
  85                 public static Gst.TagMergeFunc GetManagedDelegate (TagMergeFuncNative native)
  86                 {
  87                         if (native == null)
  88                                 return null;
  89                         TagMergeFuncWrapper wrapper = (TagMergeFuncWrapper) native.Target;
  90                         if (wrapper == null)
  91                                 return null;
  92                         return wrapper.managed;
  93                 }
  94         }
  95 #endregion
  96 }