/*

* 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:   Defines RealValue for attributeTypes..

*

*/

#ifndef ALFREALVALUE_H

#define ALFREALVALUE_H

//INCLUDES

#include <osn/osndefines.h>

#include <memory>

#include "alf/alfattributevaluetype.h"

// FORWARD DECLARATIONS

using std::auto_ptr;

namespace Alf

    {

/**

 * A class for a real value type.

 *

 * @lib alfwidgetmodel.lib

 * @since S60 ?S60_version

 */

class AlfRealValue : public AlfAttributeValueType

    {

public:

    /**

     * Constructor.

     *

     * @since S60 ?S60_version

     * @param aValue The value of the attribute. Makes a copy of the attribute.

     * @return New object.

     */

    AlfRealValue( float aValue, TAlfUnit aUnit = EAlfUnitNormalized );

    /**

     * Destructor.

     */

    virtual ~AlfRealValue();

    /**

        * Gets the real value.

        *

        * @since S60 ?S60_version

        * @return The real value.

        */

    float virtual realValue() const;

    /**

     * Gets the type of the attribute value.

     *

     * @since S60 ?S60_version

     * @return The type of the value.

     */

    virtual Type type() const;

    /**

     * Gets the unit.

     *

     * @since S60 ?S60_version

     * @return The unit.

     */

    virtual TAlfUnit unit() const;

private:    // data

    float mReal;

    TAlfUnit mUnit;

    };

    } // namespace Alf

#endif // ALFREALVALUE_H