--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwsocketmediaconnwrapper/inc/natfwmediawrapperobserver.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,72 @@
+/*
+* Copyright (c) 2006-2008 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:    Observer
+*
+*/
+
+
+
+
+#ifndef M_MEDIA_WRAPPER_OBSERVER_H
+#define M_MEDIA_WRAPPER_OBSERVER_H
+
+#include <e32base.h>
+
+/**
+ *  Observer interface used to reveice notifications about incoming
+ *  connections from sender
+ *
+ *  Defines source for multiplexer, where Media Wrapper is mounted to
+ *
+ *  @lib socketmediaconnwrapper.dll
+ *  @since S60 v3.2
+ */
+class MNATFWMediaWrapperObserver
+    {
+
+public:
+
+    /**
+     * Indicates how sending to user succeed
+     *
+     * @since S60 v3.2
+     * @param aError system-wide error code
+     * @return void
+     */
+    virtual void SendingCompleted( TInt aError ) = 0;
+    
+    /**
+     * Called after data were sent to wrapper. Delivers it to multiplexer.
+     *
+     * @since S60 v3.2
+     * @param aStreamId an ID for stream the data was received from
+     * @param aStreamPortion stream portion which were sent by client
+     * @return system-wide error code
+     */
+    virtual TInt ReceivedFrom( TUint aStreamId, TDes8& aStreamPortion  ) = 0;
+
+    /**
+     * Called by socket media wrapper object when local port is already in use.
+     * Get new free port.
+     *
+     * @since   S60 v3.2
+     * @param   aPort               New free port
+     * @return  void
+     */    
+    virtual void GetNewFreePort( TUint& aPort ) = 0;
+    
+    };
+
+
+#endif // M_MEDIA_WRAPPER_OBSERVER_H