/*

 * Copyright (c) 2009 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:

 *

 */

#ifndef CNTUIGROUPSUPPLIER_H

#define CNTUIGROUPSUPPLIER_H

#include <QObject>

#include <cntuiextensiongroup.h>

/**

 * UI extension class that supplies groups to phonebook groups UI.

 */

class CntUiGroupSupplier

{

 public:

    /**

     * Returns number of groups provided by the extension.

     *

     * @return int, group count

     */      

    virtual int groupCount() const = 0;

    /**

     * Returns specific group handle which can be used to access

     * members of the group.

     *

     * @param int, group index 

     * @return CntUiExtensionGroup&, group handle

     */      

    virtual void* GroupSupplierExtension(

            int /*aExtensionId*/ )

    {

        return NULL;

    }

protected:

    // prevent deleting by client

    virtual ~CntUiGroupSupplier() {}

};

#endif //CNTUIGROUPSUPPLIER_H