gstreamer/subprojects/gstreamer-sharp/ges/generated/GES/GESSharp.MetaForeachFuncNative.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 GESSharp {
using System;
using System.Runtime.InteropServices;
#region Autogenerated code
[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
internal delegate void MetaForeachFuncNative(IntPtr container, IntPtr key, IntPtr value, IntPtr user_data);
internal class MetaForeachFuncInvoker {
MetaForeachFuncNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~MetaForeachFuncInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal MetaForeachFuncInvoker (MetaForeachFuncNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal MetaForeachFuncInvoker (MetaForeachFuncNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal MetaForeachFuncInvoker (MetaForeachFuncNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal GES.MetaForeachFunc Handler {
get {
return new GES.MetaForeachFunc(InvokeNative);
}
}
void InvokeNative (GES.IMetaContainer container, string key, GLib.Value value)
{
IntPtr native_key = GLib.Marshaller.StringToPtrGStrdup (key);
IntPtr native_value = GLib.Marshaller.StructureToPtrAlloc (value);
native_cb (container == null ? IntPtr.Zero : ((container is GLib.Object) ? (container as GLib.Object).Handle : (container as GES.MetaContainerAdapter).Handle), native_key, native_value, __data);
GLib.Marshaller.Free (native_key);
Marshal.FreeHGlobal (native_value);
}
}
internal class MetaForeachFuncWrapper {
public void NativeCallback (IntPtr container, IntPtr key, IntPtr value, IntPtr user_data)
{
try {
managed (GES.MetaContainerAdapter.GetObject (container, false), GLib.Marshaller.Utf8PtrToString (key), (GLib.Value) Marshal.PtrToStructure (value, typeof (GLib.Value)));
if (release_on_call)
gch.Free ();
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}
}
bool release_on_call = false;
GCHandle gch;
public void PersistUntilCalled ()
{
release_on_call = true;
gch = GCHandle.Alloc (this);
}
internal MetaForeachFuncNative NativeDelegate;
GES.MetaForeachFunc managed;
public MetaForeachFuncWrapper (GES.MetaForeachFunc managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new MetaForeachFuncNative (NativeCallback);
}
public static GES.MetaForeachFunc GetManagedDelegate (MetaForeachFuncNative native)
{
if (native == null)
return null;
MetaForeachFuncWrapper wrapper = (MetaForeachFuncWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}