--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/LogsExt/MLogsExtObserver.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,48 @@
+/*
+* 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: 
+*    Abstract interface for observing extensions.
+*
+*/
+
+
+#ifndef __MLogsExtObserver_H
+#define __MLogsExtObserver_H
+
+
+//  INCLUDES
+
+//  FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+
+/**
+ * @internal This interface is internal to Logs.
+ *
+ * Abstract interface for observing extensions.
+ */
+class MLogsExtObserver
+    {
+    public: // Interface
+        
+        /**
+         * Extension state change callback
+         */
+        virtual void ExtStateChangedL() = 0;                    
+    };
+
+#endif
+            
+
+// End of File