// Copyright (c) 2007-2010 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:

// Callback interface for incoming messages from media interface

//

#ifndef __TRACECOREMEDIAIFCALLBACK_H__

#define __TRACECOREMEDIAIFCALLBACK_H__

// Forward declarations

class TTraceMessage;

class DTraceCoreMediaIf;

/**

 * Callback interface for incoming messages from media interface

 */

NONSHARABLE_CLASS( MTraceCoreMediaIfCallback )

    {

public:

    /**

     * Message was received

     * 

     * @param aMsg The message that was received

     * @return KErrNotFound if the message id was not found (not subscribed), KErrNone if found

     */

    virtual TInt MessageReceived( TTraceMessage &aMsg ) = 0;

    /**

     * Set sender media

     * 

     * @param aSenderMedia Pointer to the new sender

     * @return KErrNone if media change ok

     */

    virtual TInt SetSenderMedia( DTraceCoreMediaIf* aSenderMedia ) = 0;

    };

#endif

// End of File