/*

* 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:  Project file for EnhancedMediaClient Utility

*

*/

#ifndef VOLUMEEFFECTIMPL_H

#define VOLUMEEFFECTIMPL_H

#include <e32base.h>

#include <VolumeControl.h>

#include "EffectControlBase.h"

namespace multimedia

    {

    class CVolumeEffect : public CBase,

                          public MVolumeControl,

                          public CEffectControlBase

        {

    public:

        CVolumeEffect();

        ~CVolumeEffect();

        TInt PostConstructor();

        // From MControl begins

        TInt AddObserver( MControlObserver& aObserver );

        TInt RemoveObserver( MControlObserver& aObserver );

        TUid Type();

        TControlType ControlType();  

        // From MControl ends

        // From MEffectControl begins

        TInt Apply();

        // From MEffectControl ends

        // From MVolumeEffect begins

        TInt GetMinVolume(TInt& aMinVolume);

        TInt GetMaxVolume(TInt& aMaxVolume);

        TInt GetDefaultVolume(TInt& aDefaultVolume);

        TInt GetVolume(TInt& aVolume);

        TInt SetVolume(TInt& aVolume);                        

        TInt SetVolumeRamp(TInt aInitialVol,TInt aFinalVol,TUint64& aDuration,TVolumeRampMode aMode); 

       // From MVolumeEffect ends

        // From CEffectControlBase begins

        void Event( TEffectControlEvent aEvent );

        // From CEffectControlBase ends

    private:

        TInt DoApply();        

    private:

        TInt iVolume;

        TInt64 iRampDuration;

        // Set when Client calls Apply

        TBool iEnabled;

        };

    } // namespace multimedia

#endif // VOLUMEEFFECT_H

// End of file