--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshui/inc/musuicallbackobserver.h	Wed Sep 01 12:31:01 2010 +0100
@@ -0,0 +1,54 @@
+/*
+* Copyright (c) 2005 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:  
+*
+*/
+
+
+
+#ifndef MUSUICALLBACKOBSERVER_H
+#define MUSUICALLBACKOBSERVER_H
+
+
+#include "musuidefinitions.h"
+
+
+/**
+ * MUS application's note request interface.
+ */
+class MMusUiCallbackObserver
+    {
+
+public: // new functions
+    
+    /**
+     * Process asynchronous event.
+     *
+     * @param aEventId Id of the triggered event
+     */
+    virtual void HandleAsyncEventL( TMusUiAsyncEvent aEventId ) = 0;
+
+    /**
+     * Error handler for HandleAsyncEventL.
+     *
+     * @param aError is error to be handled.
+     * @return KErrNone means handled value. All other values will lead to
+     *         a panic.
+     */
+    virtual TInt HandleAsyncError( TInt aError ) = 0;
+    
+    };
+
+
+#endif // MUSUICALLBACKOBSERVER_H