diff -r 000000000000 -r 4e91876724a2 photosgallery/commonui/inc/mglxnavigationalstateobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/commonui/inc/mglxnavigationalstateobserver.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,41 @@
+/*
+* 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:    Observer of navigational state 
+*
+*/
+
+
+
+
+#ifndef __M_GLXNAVIGATIONALSTATEOBSERVER_H__
+#define __M_GLXNAVIGATIONALSTATEOBSERVER_H__
+
+/**
+ * MGlxNavigationalStateObserver
+ *
+ * Class that will be notified when navigational state changes
+ * See @ref CGlxNavigationalState
+ *
+ * @author Aki Vanhatalo
+ */
+class MGlxNavigationalStateObserver
+    {
+public:
+    /**
+     * Called when navigational state has changed
+     */
+    virtual void HandleNavigationalStateChangedL() = 0; 
+    };
+    
+#endif // __M_GLXNAVIGATIONALSTATEOBSERVER_H__
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