--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mulwidgets/common/inc/imulmodelobserver.h	Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,73 @@
+/*
+* Copyright (c) 2007-2008 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:  Implementation of model interface
+ *
+*/
+
+
+#ifndef	I_MULMODEOBSERVER_H
+#define I_MULMODEOBSERVER_H
+
+#include <alf/ialfmodelchangeobserver.h> 
+
+namespace Alf
+	{
+	
+//Forward Declaration
+class IMulVariantType;
+
+/**
+ * Observer interface to provide notification about model state change.
+ * Widget needs to implement this interface to get highlight or marking change event.
+ */
+class IMulModelObserver //: public IAlfModelChangeObserver
+	{
+	
+public: //enum
+
+	/**
+	 *Changed state of model 
+	 */
+	enum TMulChangedState 
+	    { 
+	    EHighlightChanged = 1, 
+	    EMarkingChanged,
+	    EDataWindowUpdated, 
+	    EItemsInserted,
+	    EItemsRemoved,
+	    EItemUpdated,
+	    ETemplateChanged,
+	    EModelRefreshed
+	    };
+
+public: //method
+
+	/**
+     * Notify observer about IMulModel state change.
+	 * Observer will be notified when highlight or marking is changed from model.
+	 *
+	 * @param aState Highlight or making changed
+	 * @param aData Index of new highlight or Index of marked or unmarked item.
+	 *				( Item is marked or not should be checked using IMulModelAccessor interface)
+	 */
+	virtual void ModelStateChanged( TMulChangedState aState, IMulVariantType& aData ) = 0;
+
+	};
+	
+	} // Namespace Alf
+	
+#endif //I_MULMODEOBSERVER_H	
+	
+//End of file
+	
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