/*

* Copyright (c) 2004-2005 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:  SD and CR variation

*

*/

#ifndef CCASDCRVARIATOR_H

#define CCASDCRVARIATOR_H

//  INCLUDES

#include <e32base.h>

#include "MCASDCRVariator.h"

// FORWARD DECLARATIONS

class CRepository;

// CLASS DECLARATION

/**

 *  Persistent preference store implementation for

 *  Central Repository

 *  @lib CAEngine.lib

 *  @since 3.0

 */

class CCASDCRVariator : public CBase, public MCASDCRVariator

    {

    public:  // Constructors and destructor

        /**

         * Two-phased constructor

         * @param aIdentifier The UID of the application, ignored in cenrep

         */

        static CCASDCRVariator* NewL( TUid aIdentifier );

        /**

         * Destructor.

         */

        virtual ~CCASDCRVariator();

    public: // MCASDCRVariator

        /**

         * @see MCASDCRVariator

         */

        TInt GetInt( TInt aSetting, TInt& aValue );

        /**

         * @see MCASDCRVariator

         */

        TInt SetInt( TInt aSetting, TInt aValue );

        /**

         * @see MCASDCRVariator

         */

        TInt GetString( TInt aSetting, TDes& aValue );

        /**

         * @see MCASDCRVariator

         */

        TInt SetString( TInt aSetting, const TDesC& aValue );

        /**

         * @see MCASDCRVariator

         */

        TInt FlushData();

    private: // New methods

        /**

         * C++ default constructor.

         */

        CCASDCRVariator();

        /**

         * By default Symbian OS constructor is private.

         * @see CCASDCRVariator::NewL.

         */

        void ConstructL( TUid aIdentifier );

        /**

         * Central repository:

         * Generate key value from a given setting number.

         * @param aSettingNumber Number (enum) of setting

         * @return Generated key

         * @see MCASettings for the setting enumerations

         * @since 3.0

         */

        TInt GenerateKey( const TInt aSettingNumber ) const;

    private:

        // central repository

        CRepository* iCenRep;   // private and internal keys, owns

    };

#endif      // CCASDCRVARIATOR_H

// End of File