// This file was generated by the Gtk# code generator.
// Any changes made will be lost if regenerated.

namespace GLibSharp {

	using System;
	using System.Runtime.InteropServices;

#region Autogenerated code
	internal delegate void FileMeasureProgressCallbackNative(bool reporting, ulong current_size, ulong num_dirs, ulong num_files, IntPtr user_data);

	internal class FileMeasureProgressCallbackInvoker {

		FileMeasureProgressCallbackNative native_cb;
		IntPtr __data;
		GLib.DestroyNotify __notify;

		~FileMeasureProgressCallbackInvoker ()
		{
			if (__notify == null)
				return;
			__notify (__data);
		}

		internal FileMeasureProgressCallbackInvoker (FileMeasureProgressCallbackNative native_cb) : this (native_cb, IntPtr.Zero, null) {}

		internal FileMeasureProgressCallbackInvoker (FileMeasureProgressCallbackNative native_cb, IntPtr data) : this (native_cb, data, null) {}

		internal FileMeasureProgressCallbackInvoker (FileMeasureProgressCallbackNative native_cb, IntPtr data, GLib.DestroyNotify notify)
		{
			this.native_cb = native_cb;
			__data = data;
			__notify = notify;
		}

		internal GLib.FileMeasureProgressCallback Handler {
			get {
				return new GLib.FileMeasureProgressCallback(InvokeNative);
			}
		}

		void InvokeNative (bool reporting, ulong current_size, ulong num_dirs, ulong num_files)
		{
			native_cb (reporting, current_size, num_dirs, num_files, __data);
		}
	}

	internal class FileMeasureProgressCallbackWrapper {

		public void NativeCallback (bool reporting, ulong current_size, ulong num_dirs, ulong num_files, IntPtr user_data)
		{
			try {
				managed (reporting, current_size, num_dirs, num_files);
				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 FileMeasureProgressCallbackNative NativeDelegate;
		GLib.FileMeasureProgressCallback managed;

		public FileMeasureProgressCallbackWrapper (GLib.FileMeasureProgressCallback managed)
		{
			this.managed = managed;
			if (managed != null)
				NativeDelegate = new FileMeasureProgressCallbackNative (NativeCallback);
		}

		public static GLib.FileMeasureProgressCallback GetManagedDelegate (FileMeasureProgressCallbackNative native)
		{
			if (native == null)
				return null;
			FileMeasureProgressCallbackWrapper wrapper = (FileMeasureProgressCallbackWrapper) native.Target;
			if (wrapper == null)
				return null;
			return wrapper.managed;
		}
	}
#endregion
}
