/*

* Copyright (c) 2006 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 for audio stream start up.

*

*/

#ifndef MCSPDEVSOUNDOBSERVER_H

#define MCSPDEVSOUNDOBSERVER_H

/**

 *  Observer interface for knowing when audio streams have been

 *  successfully ramped up.

 *

 */

class MCSPDevSoundObserver

    {

public:

    /**

     * Notification that Mic has been activated successfully

     *     

     */

    virtual void MicActivatedSuccessfully() = 0;

    /**

     * Notification that speaker has been activated successfully

     *

     */   

    virtual void SpeakerActivatedSuccessfully() = 0;

    /**

     * Notification that Mic initialisation failed.

     *

     */

    virtual void MicActivationFailed() = 0;

    /**

     * Notification that Speaker activation failed.

     *

     */

    virtual void SpeakerActivationFailed() = 0;

    };

#endif // MCSPDEVSOUNDOBSERVER_H