/*

* 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:  Mic stream to DevSound.

*

*/

#ifndef CSPMICROPHONE_H

#define CSPMICROPHONE_H

#include "cspdevsound.h" 

/**

 *  Provides mic functionality.

 *

 */

NONSHARABLE_CLASS( CSPMicrophone ): public CSPDevSound

    {

public:

    static CSPMicrophone* NewL( MCSPDevSoundObserver& aObserver );

    virtual ~CSPMicrophone();

    /**

     * Determines mic mute state.

     *

    *

     * @return ETrue - mic is muted, EFalse - mic is not muted.

     */

    TBool IsMuted();

    /**

     * Set mic muted.

     *

    *

     */

    void SetMuted();

    /**

     * Set mic unmuted.

     *

    *

     */

    void SetUnmuted();

// from base class MDevSoundObserver

    /**

     * From MDevSoundObserver

     * Notification from Devsound that stream (mic) is

     * activated successfully.

     *

    *

     */

    void BufferToBeEmptied( CMMFBuffer* aBuffer ); 

    /**

     * From MDevSoundObserver

     * Notification from devsound that downstream(mic) activation

     * feiled.

     *

    *

     */

    void RecordError( TInt aError );

private:

// from base class MCSPDevSound

    /**

     * From MCSPDevSound.

     * Tries to activate the mic stream.

     * 

    *

     */

    void DoActivateL();

protected:

    CSPMicrophone( MCSPDevSoundObserver& aObserver );

    void ConstructL();

   };

#endif // CSPMICROPHONE_H