diff -r 000000000000 -r 522cd55cc3d7 landmarksui/uicontrols/inc/MLmkMskObserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarksui/uicontrols/inc/MLmkMskObserver.h	Tue Feb 02 00:16:03 2010 +0200
@@ -0,0 +1,47 @@
+/*
+* Copyright (c) 2002 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:    LandmarksUi Content File -    Provides an observer interface to Landmarks application
+*				 for updation of middle softkey.
+*
+*/
+
+
+
+
+
+
+#ifndef MMSKOBSERVER_H
+#define MMSKOBSERVER_H
+
+// CLASS DECLARATIONS
+/**
+*  This interface defines specification to update MSK in landmarks
+*  application view w.r.t backend changes in Landmarks/Categores.
+*  It is implemented by the containers of the application to update
+*  the associated view. This callback will be called from the respective
+*  selectors,when there is any change noticed in the Landmarks/Categories.
+*/
+class MLmkMskObserver
+	{
+	public:
+		/**
+        * Notifies the container that Landmarks/Categories have changed,
+        * so that containers can update their respective views.
+        * @param aEnableMsk to enable/disable MSK
+        */
+		virtual void UpdateMskContainerL()=0;
+		virtual void UpdateMskContainerForFilterL(){};
+	};
+
+#endif //MMSKOBSERVER_H
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