/*

* 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: Interface class for the focus strategy

*

*/

#ifndef MMRFOCUSSTRATEGY_H

#define MMRFOCUSSTRATEGY_H

// INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class CESMRField;

class MESMRFieldStorage;

// CLASS DECLARATIONS

class MMRFocusStrategy

    {

    public: // Types

        /**

         * Event types where the strategy will react on.

         */

        enum TFocusEventType

            {

            EFocusPointerEvent,

            EFocusKeyEvent

            };

    public: // Destructor

        virtual ~MMRFocusStrategy() { }

    public: // Interface

        /**

         * Called to initialize the focus

         */

        virtual void InitializeFocus() = 0;

        /**

         * Called when the event occurs

         *

         * @param aEventType Type of the event e.g. key, pointer

         */

        virtual void EventOccured( TFocusEventType aEventType ) = 0;

        /**

         * Returns either the focus is on or off

         * 

         * @return ETrue if the focus is visible

         */

        virtual TBool IsFocusVisible() const = 0;

    };

#endif // MMRFOCUSSTRATEGY_H

// End of file