1 files changed, 125 insertions, 0 deletions
diff --git a/gstreamer-sharp/glib-sharp/Idle.cs b/gstreamer-sharp/glib-sharp/Idle.cs
new file mode 100644
index 0000000..589eb86
--- /dev/null
+++ b/gstreamer-sharp/glib-sharp/Idle.cs
@@ -0,0 +1,125 @@
+// GLib.Idle.cs - Idle class implementation
+//
+// Author(s):
+//	Mike Kestner <mkestner@speakeasy.net>
+//	Rachel Hestilow <hestilow@ximian.com>
+//	Stephane Delcroix <stephane@delcroix.org>
+//
+// Copyright (c) 2002 Mike Kestner
+// Copyright (c) Rachel Hestilow
+// Copyright (c) 2009 Novell, Inc.
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of version 2 of the Lesser GNU General 
+// Public License as published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this program; if not, write to the
+// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+// Boston, MA 02111-1307, USA.
+
+
+namespace GLib {
+
+	using System;
+	using System.Collections;
+	using System.Runtime.InteropServices;
+
+	public delegate bool IdleHandler ();
+
+	public class Idle {
+
+		[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
+		delegate bool IdleHandlerInternal ();
+
+
+		internal class IdleProxy : SourceProxy {
+			public IdleProxy (IdleHandler real)
+			{
+				real_handler = real;
+				proxy_handler = new IdleHandlerInternal (Handler);
+			}
+
+			public bool Handler ()
+			{
+				try {
+					IdleHandler idle_handler = (IdleHandler) real_handler;
+
+					bool cont = idle_handler ();
+					if (!cont)
+						Remove ();
+					return cont;
+				} catch (Exception e) {
+					ExceptionManager.RaiseUnhandledException (e, false);
+				}
+				return false;
+			}
+		}
+		
+		private Idle ()
+		{
+		}
+		
+		[DllImport("libglib-2.0-0.dll")]
+		static extern uint g_idle_add (IdleHandlerInternal d, IntPtr data);
+
+		public static uint Add (IdleHandler hndlr)
+		{
+			IdleProxy p = new IdleProxy (hndlr);
+			p.ID = g_idle_add ((IdleHandlerInternal) p.proxy_handler, IntPtr.Zero);
+			lock (Source.source_handlers)
+				Source.source_handlers [p.ID] = p;
+
+			return p.ID;
+		}
+
+		[DllImport("libglib-2.0-0.dll")]
+		static extern uint g_idle_add_full (int priority, IdleHandlerInternal d, IntPtr data, DestroyNotify notify);
+
+		public static uint Add (IdleHandler hndlr, Priority priority)
+		{
+			IdleProxy p = new IdleProxy (hndlr);
+			p.ID = g_idle_add_full ((int)priority, (IdleHandlerInternal)p.proxy_handler, IntPtr.Zero, null);
+			lock (Source.source_handlers)
+				Source.source_handlers [p.ID] = p;
+
+			return p.ID;
+		}
+		
+		[DllImport("libglib-2.0-0.dll")]
+		static extern bool g_source_remove_by_funcs_user_data (Delegate d, IntPtr data);
+                                                                                
+		public static void Remove (uint id)
+		{
+			Source.Remove (id);
+		}
+
+		public static bool Remove (IdleHandler hndlr)
+		{
+			bool result = false;
+			ArrayList keys = new ArrayList ();
+
+			lock (Source.source_handlers) {
+				foreach (uint code in Source.source_handlers.Keys) {
+					IdleProxy p = Source.source_handlers [code] as IdleProxy;
+				
+					if (p != null && p.real_handler == hndlr) {
+						keys.Add (code);
+						result = g_source_remove_by_funcs_user_data (p.proxy_handler, IntPtr.Zero);
+					}
+				}
+
+				foreach (object key in keys)
+					Source.source_handlers.Remove (key);
+			}
+
+			return result;
+		}
+	}
+}
+