subprojects/gstreamer-sharp/sources/generated/Gst/GstSharp.PadEventFunctionNative.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 bool PadEventFunctionNative(IntPtr pad, IntPtr parent, IntPtr evnt);
  12
  13         internal class PadEventFunctionInvoker {
  14
  15                 PadEventFunctionNative native_cb;
  16                 IntPtr __data;
  17                 GLib.DestroyNotify __notify;
  18
  19                 ~PadEventFunctionInvoker ()
  20                 {
  21                         if (__notify == null)
  22                                 return;
  23                         __notify (__data);
  24                 }
  25
  26                 internal PadEventFunctionInvoker (PadEventFunctionNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
  27
  28                 internal PadEventFunctionInvoker (PadEventFunctionNative native_cb, IntPtr data) : this (native_cb, data, null) {}
  29
  30                 internal PadEventFunctionInvoker (PadEventFunctionNative 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.PadEventFunction Handler {
  38                         get {
  39                                 return new Gst.PadEventFunction(InvokeNative);
  40                         }
  41                 }
  42
  43                 bool InvokeNative (Gst.Pad pad, Gst.Object parent, Gst.Event evnt)
  44                 {
  45                         evnt.Owned = false;
  46                         bool __result = native_cb (pad == null ? IntPtr.Zero : pad.Handle, parent == null ? IntPtr.Zero : parent.Handle, evnt == null ? IntPtr.Zero : evnt.Handle);
  47                         return __result;
  48                 }
  49         }
  50
  51         internal class PadEventFunctionWrapper {
  52
  53                 public bool NativeCallback (IntPtr pad, IntPtr parent, IntPtr evnt)
  54                 {
  55                         try {
  56                                 bool __ret = managed (GLib.Object.GetObject(pad) as Gst.Pad, GLib.Object.GetObject(parent) as Gst.Object, evnt == IntPtr.Zero ? null : (Gst.Event) GLib.Opaque.GetOpaque (evnt, typeof (Gst.Event), true));
  57                                 if (release_on_call)
  58                                         gch.Free ();
  59                                 return __ret;
  60                         } catch (Exception e) {
  61                                 GLib.ExceptionManager.RaiseUnhandledException (e, false);
  62                                 return 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 PadEventFunctionNative NativeDelegate;
  76                 Gst.PadEventFunction managed;
  77
  78                 public PadEventFunctionWrapper (Gst.PadEventFunction managed)
  79                 {
  80                         this.managed = managed;
  81                         if (managed != null)
  82                                 NativeDelegate = new PadEventFunctionNative (NativeCallback);
  83                 }
  84
  85                 public static Gst.PadEventFunction GetManagedDelegate (PadEventFunctionNative native)
  86                 {
  87                         if (native == null)
  88                                 return null;
  89                         PadEventFunctionWrapper wrapper = (PadEventFunctionWrapper) native.Target;
  90                         if (wrapper == null)
  91                                 return null;
  92                         return wrapper.managed;
  93                 }
  94         }
  95 #endregion
  96 }