/*

* 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:  Manipulates the settings of an audio effect reverb source.

*

*/

#ifndef CAMMSEMCREVERBSOURCECONTROL_H

#define CAMMSEMCREVERBSOURCECONTROL_H

//  INCLUDES

#include <e32base.h>

#include <RoomLevelControl.h>

#include "cammsbasereverbsourcecontrol.h"

#include <cmmaemcaudioplayer.h>

// CONSTANTS

_LIT(KAMMSEMCReverbSourceControl, "ReverbSourceControl");

using multimedia::MRoomLevelControl;

using multimedia::KRoomLevelEffectControl;

// FORWARD DECLARATIONS

class CAMMSBaseReverbControl;

// CLASS DECLARATION

/**

*

*  Controls for the Reverb Source effect.

*  This class delegates Reverb Source effect method calls to CRoomLevel.

*

*

*  @since 5.1

*/

NONSHARABLE_CLASS(CAMMSEMCReverbSourceControl): public CAMMSBaseReverbSourceControl  /*CAMMSControl*/

{

public:  // Constructors and destructor

    /**

    * Two-phased constructor.

    * @param aPlayer Player that has this control.

    * @param aReverbControl Reverb control belonging to aPlayer.

    */

    static CAMMSEMCReverbSourceControl* NewLC(CMMAPlayer* aPlayer,

    CAMMSBaseReverbControl* aBaseReverbControl);

    /**

    * Destructor.

    */

    ~CAMMSEMCReverbSourceControl();

public:  // New functions

    /**

    * Sets the object specific level for the reverberant sound.

    * The default value is 0 meaning the natural room gain (set by

    * ReverbControl's presets).

    *

    * @param aLevel The new level of the reverberation in millibels.

    *

    * @par Leaving:

    * @li \c KErrArgument - \a aLevel is greater than 0

    */

    void SetRoomLevelL(TInt aLevel);

public: // Functions from base classes

    const TDesC& ClassName() const;

    /**

    * Prepares the Control.

    */

    void PrepareControlL();

    /**

    * Deallocates the Control.

    */

    void DeallocateControl();

private:

    /**

    * C++ constructor.

    * @param aPlayer Player that has this control.

    * @param aReverbControl Reverb control belonging to aPlayer.

    */

    CAMMSEMCReverbSourceControl(CMMAPlayer* aPlayer,

                                CAMMSBaseReverbControl* aReverbControl);

private:  // Data

    /** Reverb control belonging to the player */

    CAMMSBaseReverbControl* iBaseReverbControl;

private:

    CMMAPlayer *iMMAPlayer;

    /**

    * EMC ReverbSource Control

    */

    CMultimediaFactory* iFactory;

    MStreamControl* iStreamControl;

    MRoomLevelControl* iRoomLevelControl;

};

#endif // CAMMSEMCREVERBSOURCECONTROL_H