diff -r 000000000000 -r 4e91876724a2 photosgallery/collectionframework/datasource/manager/inc/mglxdatasourceupdateobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/collectionframework/datasource/manager/inc/mglxdatasourceupdateobserver.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,55 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Definition of the Data Source update observer Class.
+*
+*/
+
+
+
+
+#ifndef _MGLXDATASOURCEUPDATEOBSERVER_H_
+#define _MGLXDATASOURCEUPDATEOBSERVER_H_
+
+// INCLUDES
+#include <e32cmn.h>
+#include "glxmediaid.h"
+#include <mpxmessage2.h>
+
+// FORWARD DECLARATIONS
+
+// CONSTANTS
+
+// CLASS DECLARATION
+		
+/**
+ *  MGlxDataSourceUpdateObserver class 
+ *
+ *  Returns update notifications.
+ *	@ingroup collection_component_design
+ *  @internal reviewed 11/07/2007 by Dave Schofield
+ */
+class MGlxDataSourceUpdateObserver 
+	{
+public:
+	/**
+	 * Notification that new items have been found in the data source (file 
+	 * system, etc.)
+	 *
+	 * @param aItems ids of the items that were been found. 
+	 */
+	virtual void HandleMessage(CMPXMessage& aMessage) = 0;
+		
+	};
+
+#endif //_MGLXDATASOURCEUPDATEOBSERVER_H_