subprojects/gstreamer-sharp/sources/generated/Gst/GstSharp.ValueCompareFuncNative.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 int ValueCompareFuncNative(IntPtr value1, IntPtr value2);
  12
  13         internal class ValueCompareFuncInvoker {
  14
  15                 ValueCompareFuncNative native_cb;
  16                 IntPtr __data;
  17                 GLib.DestroyNotify __notify;
  18
  19                 ~ValueCompareFuncInvoker ()
  20                 {
  21                         if (__notify == null)
  22                                 return;
  23                         __notify (__data);
  24                 }
  25
  26                 internal ValueCompareFuncInvoker (ValueCompareFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
  27
  28                 internal ValueCompareFuncInvoker (ValueCompareFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
  29
  30                 internal ValueCompareFuncInvoker (ValueCompareFuncNative 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.ValueCompareFunc Handler {
  38                         get {
  39                                 return new Gst.ValueCompareFunc(InvokeNative);
  40                         }
  41                 }
  42
  43                 int InvokeNative (GLib.Value value1, GLib.Value value2)
  44                 {
  45                         IntPtr native_value1 = GLib.Marshaller.StructureToPtrAlloc (value1);
  46                         IntPtr native_value2 = GLib.Marshaller.StructureToPtrAlloc (value2);
  47                         int __result = native_cb (native_value1, native_value2);
  48                         Marshal.FreeHGlobal (native_value1);
  49                         Marshal.FreeHGlobal (native_value2);
  50                         return __result;
  51                 }
  52         }
  53
  54         internal class ValueCompareFuncWrapper {
  55
  56                 public int NativeCallback (IntPtr value1, IntPtr value2)
  57                 {
  58                         try {
  59                                 int __ret = managed ((GLib.Value) Marshal.PtrToStructure (value1, typeof (GLib.Value)), (GLib.Value) Marshal.PtrToStructure (value2, typeof (GLib.Value)));
  60                                 if (release_on_call)
  61                                         gch.Free ();
  62                                 return __ret;
  63                         } catch (Exception e) {
  64                                 GLib.ExceptionManager.RaiseUnhandledException (e, true);
  65                                 // NOTREACHED: Above call does not return.
  66                                 throw e;
  67                         }
  68                 }
  69
  70                 bool release_on_call = false;
  71                 GCHandle gch;
  72
  73                 public void PersistUntilCalled ()
  74                 {
  75                         release_on_call = true;
  76                         gch = GCHandle.Alloc (this);
  77                 }
  78
  79                 internal ValueCompareFuncNative NativeDelegate;
  80                 Gst.ValueCompareFunc managed;
  81
  82                 public ValueCompareFuncWrapper (Gst.ValueCompareFunc managed)
  83                 {
  84                         this.managed = managed;
  85                         if (managed != null)
  86                                 NativeDelegate = new ValueCompareFuncNative (NativeCallback);
  87                 }
  88
  89                 public static Gst.ValueCompareFunc GetManagedDelegate (ValueCompareFuncNative native)
  90                 {
  91                         if (native == null)
  92                                 return null;
  93                         ValueCompareFuncWrapper wrapper = (ValueCompareFuncWrapper) native.Target;
  94                         if (wrapper == null)
  95                                 return null;
  96                         return wrapper.managed;
  97                 }
  98         }
  99 #endregion
 100 }