gstreamer/subprojects/gstreamer-sharp/sources/generated/Gst.Base/Gst.BaseSharp.CollectPadsQueryFunctionNative.cs

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2018-01-29 18:56:49 +00:00
// This file was generated by the Gtk# code generator.
// Any changes made will be lost if regenerated.
namespace Gst.BaseSharp {
using System;
using System.Runtime.InteropServices;
#region Autogenerated code
[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
internal delegate bool CollectPadsQueryFunctionNative(IntPtr pads, IntPtr pad, IntPtr query, IntPtr user_data);
internal class CollectPadsQueryFunctionInvoker {
CollectPadsQueryFunctionNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~CollectPadsQueryFunctionInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal CollectPadsQueryFunctionInvoker (CollectPadsQueryFunctionNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal CollectPadsQueryFunctionInvoker (CollectPadsQueryFunctionNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal CollectPadsQueryFunctionInvoker (CollectPadsQueryFunctionNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gst.Base.CollectPadsQueryFunction Handler {
get {
return new Gst.Base.CollectPadsQueryFunction(InvokeNative);
}
}
bool InvokeNative (Gst.Base.CollectPads pads, Gst.Base.CollectData pad, Gst.Query query)
{
IntPtr native_pad = GLib.Marshaller.StructureToPtrAlloc (pad);
bool __result = native_cb (pads == null ? IntPtr.Zero : pads.Handle, native_pad, query == null ? IntPtr.Zero : query.Handle, __data);
Marshal.FreeHGlobal (native_pad);
return __result;
}
}
internal class CollectPadsQueryFunctionWrapper {
public bool NativeCallback (IntPtr pads, IntPtr pad, IntPtr query, IntPtr user_data)
{
try {
bool __ret = managed (GLib.Object.GetObject(pads) as Gst.Base.CollectPads, Gst.Base.CollectData.New (pad), query == IntPtr.Zero ? null : (Gst.Query) GLib.Opaque.GetOpaque (query, typeof (Gst.Query), false));
if (release_on_call)
gch.Free ();
return __ret;
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
return false;
}
}
bool release_on_call = false;
GCHandle gch;
public void PersistUntilCalled ()
{
release_on_call = true;
gch = GCHandle.Alloc (this);
}
internal CollectPadsQueryFunctionNative NativeDelegate;
Gst.Base.CollectPadsQueryFunction managed;
public CollectPadsQueryFunctionWrapper (Gst.Base.CollectPadsQueryFunction managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new CollectPadsQueryFunctionNative (NativeCallback);
}
public static Gst.Base.CollectPadsQueryFunction GetManagedDelegate (CollectPadsQueryFunctionNative native)
{
if (native == null)
return null;
CollectPadsQueryFunctionWrapper wrapper = (CollectPadsQueryFunctionWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}