/*

* 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:  Color tone feature.

*

*/

#ifndef C_VTUICOLORTONE_H

#define C_VTUICOLORTONE_H

#include    <mvtengcamerapreferences.h>

#include    "cvtuiprefsettinglistbase.h"

#include    "cvtuifeaturebase.h"

#include    "tvtuicomponentstate.h"

#include    "mvtuicomponent.h"

#include    "mvtuilayoutchangeobserver.h"

/**

*  TVtUiColorToneComponentState

*

* Video quality componentstate definition.

*

*  @since S60 v3.2

*/

class TVtUiColorToneComponentState : public TVtUiComponentState

    {

public:

    /**

    * Constructor

    * @param aComponent Reference to component.

    */

    TVtUiColorToneComponentState( MVtUiComponent& aComponent );

    };

/**

*  CVtUiColorTone

*

*  Color tone UI feature definition.

*

*  @since S60 v3.2

*/

class CVtUiColorTone : public CVtUiPrefSettingListBase,

    public MVtUiComponent, public MVtUiLayoutChangeObserver

    {

public:

    /**

    * Static constructor

    * @param aFeatureManager Reference to feature manager.

    */

    static CVtUiColorTone* NewL( CVtUiFeatureManager& aFeatureManager );

    /**

    * Destructor

    */

    ~CVtUiColorTone();

public: // from MVtUiFeature

    /** 

    * @see MVtUiFeature::StartL

    */

    void StartL();

     /** 

    * @see MVtUiFeature::Stop

    */

    void Stop();

     /** 

    * @see MVtUiFeature::InitFeatureL

    */

    void InitFeatureL();

public: // from MVtUiComponent

    /**

    * @see MVtUiComponent::ComponentId

    */

    MVtUiComponent::TComponentId ComponentId() const;

    /**

    * @see MVtUiComponent::ComponentAsControl

    */

    CCoeControl* ComponentAsControl();

    /**

    * @see MVtUiComponent::DoActivateL

    */

    void DoActivateL();

    /**

    * @see MVtUiComponent::DoDeactivateL

    */

    void DoDeactivateL();

public: // from MVtUiComponentManager

    /**

    * @see MVtUiComponentManager::HandleLayoutChangeL

    */

    void HandleLayoutChangeL();

protected: // from base class

   	/**

    * @see CVtUiPrefSettingListBase::CurrentSelection

    */

    virtual TInt CurrentSelection();

    /**

    * @see CVtUiPrefSettingListBase::SetItemsL

    */

    virtual void SetItemsL( CDesCArray& aArray );

    /**

    * @see CVtUiPrefSettingListBase::SettingPageResId

    */

    virtual TInt SettingPageResId() const;

    /**

    * @see CVtUiPrefSettingListBase::SettingPageItemChangedL

    */

    virtual void SettingPageItemChangedL( TInt aIndex );

private:

    /**

     * Constructor

     */

    CVtUiColorTone( CVtUiFeatureManager& aFeatureManager );

    // Maps color tone enum to array index

    TInt MapCTEnumToArrayIndex( MVtEngCameraPreferences::TColorTone&

        aColorTone ) const;

    // Maps arrya index to color tone enum 

    MVtEngCameraPreferences::TColorTone MapArrayIndexToCTEnum(

        TInt aIndex) const;        

    // Callback function that stops the feature.

    static TInt DoStopL( TAny* aAny );

    // Callback function that starts the feature.

    static TInt DoStartL( TAny* aAny );    

private:

    // Component state

    TVtUiColorToneComponentState iComponentState;

    };

#endif // CVTUICOLORTONE_H