/*

* 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:  Utility to get the preset and data

*

*/

#ifndef CAMMSEMCBASEMMFDEVSOUND_H

#define CAMMSEMCBASEMMFDEVSOUND_H

//  INCLUDES

#include <e32base.h>

#include <badesca.h>

#include <mmf/server/sounddevice.h>

#include <mmf/common/mmfbase.h>

// CLASS DECLARATION

/**

 *  Group for effect controls

 *

 *  @since 5.1

 */

NONSHARABLE_CLASS(CAMMSEMCBaseMMFDevSound)

        :public CBase, public MDevSoundObserver

{

public:  // destructor

    /**

    * Destructor.

    */

    virtual ~CAMMSEMCBaseMMFDevSound();

public:  // From MDevSoundObserver

    // empty implementation for callback methods from MDevSoundObserver

    virtual void InitializeComplete(TInt aError);

    virtual void BufferToBeFilled(CMMFBuffer* /*aBuffer*/) {}

    virtual void PlayError(TInt /*aError*/) {}

    virtual void ToneFinished(TInt /*aError*/) {}

    virtual void BufferToBeEmptied(CMMFBuffer* /*aBuffer*/) {}

    virtual void RecordError(TInt /*aError*/) {}

    virtual void ConvertError(TInt /*aError*/) {}

    virtual void DeviceMessage(TUid /*aMessageType*/,

                               const TDesC8& /*aMsg*/) {}

    virtual void SendEventToClient(const TMMFEvent& /*aEvent*/) {}

protected:

    virtual TInt CreateAndInitializeDevSoundL();

    /**

     * Deletes utilities

     * Does nothing if the utilities have already been deleted.

     */

    virtual void DeleteDevSound();

public:

    /**

     * c++ constructor.

     */

    CAMMSEMCBaseMMFDevSound();

    /**

     * 2nd phase constructor.

     */

    void ConstructL();

protected:

    CMMFDevSound* iMMFDevSound;

private:

    // Used to wait for Initializing the iMMFDevSound.

    CActiveSchedulerWait* iActiveSchedulerWait; // Owned.

};

#endif // CAMMSEMCBASEMMFDEVSOUND_H