/*

* Copyright (c) 2007 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:  Contrast ui feature

*

*/

#ifndef     C_VTUICONTRAST_H

#define     C_VTUICONTRAST_H

#include    "cvtuiprefsliderbase.h"

/**

*  CVtUiContrast

*

*  Contrast ui feature

*

*  @since S60 v3.2

*/

class CVtUiContrast : public CVtUiPrefSliderBase

    {

public:

    /**

    * Static constructor

    * @param aFeatureManager Reference to feature manager.

    */

    static CVtUiContrast* NewL( CVtUiFeatureManager& aFeatureManager );

    /**

    * Destructor

    */

    ~CVtUiContrast();

public: // from CVtUiPrefSliderBase

    /** 

    * @see CVtUiPrefSliderBase::StartL

    */

    void StartL();

    /** 

    * @see CVtUiPrefSliderBase::Stop

    */

    void Stop();

protected: 

    /*

    * Constructor

    */

    CVtUiContrast( CVtUiFeatureManager& aFeatureManager );

    /**

    * 2nd constructor

    */

    void ConstructL(); 

    };

#endif // C_VTUICONTRAST_H