1 files changed, 80 insertions, 0 deletions
diff --git a/src/Editor/FPF/WindowsBase/System.Collections.Specialized/CollectionChangedEventManager.cs b/src/Editor/FPF/WindowsBase/System.Collections.Specialized/CollectionChangedEventManager.cs
new file mode 100644
index 0000000..5cdf2f8
--- /dev/null
+++ b/src/Editor/FPF/WindowsBase/System.Collections.Specialized/CollectionChangedEventManager.cs
@@ -0,0 +1,80 @@
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// Copyright (c) 2007 Novell, Inc. (http://www.novell.com)
+//
+// Authors:
+//	Chris Toshok (toshok@ximian.com)
+//
+
+using System;
+using System.Windows;
+
+namespace System.Collections.Specialized {
+
+	public class CollectionChangedEventManager : WeakEventManager
+	{
+		internal CollectionChangedEventManager ()
+		{
+		}
+
+		public static void AddListener (INotifyCollectionChanged source, IWeakEventListener listener)
+		{
+			CurrentManager.ProtectedAddListener (source, listener);
+		}
+
+		public static void RemoveListener (INotifyCollectionChanged source, IWeakEventListener listener)
+		{
+			CurrentManager.ProtectedAddListener (source, listener);
+		}
+
+		protected override void StartListening (object source)
+		{
+			INotifyCollectionChanged inotify = (INotifyCollectionChanged) source;
+			inotify.CollectionChanged += OnCollectionChanged;
+		}
+
+		protected override void StopListening (object source)
+		{
+			INotifyCollectionChanged inotify = (INotifyCollectionChanged) source;
+			inotify.CollectionChanged -= OnCollectionChanged;
+		}
+
+		private void OnCollectionChanged (object sender, NotifyCollectionChangedEventArgs e)
+		{
+			DeliverEvent (sender, e);
+		}
+
+		private static object CurrentManagerLock = new object ();
+
+		private static CollectionChangedEventManager CurrentManager {
+			get {
+				lock (CurrentManagerLock) {
+					CollectionChangedEventManager manager = (CollectionChangedEventManager)GetCurrentManager (typeof (CollectionChangedEventManager));
+					if (manager == null) {
+						manager = new CollectionChangedEventManager ();
+						SetCurrentManager (typeof (CollectionChangedEventManager), manager);
+					}
+					return manager;
+				}
+			}
+		}
+	}
+}
+