/*

* Copyright (c) 2007-2007 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:  Class header for MWsfWlanInfoArrayFilterVisitor

*

*/

#ifndef M_WSFWLANINFOARRAYFILTERVISITOR_H

#define M_WSFWLANINFOARRAYFILTERVISITOR_H

//  EXTERNAL INCLUDES

#include <e32def.h>

#include <e32base.h>

//  FORWARD DECLARATIONS

class CWsfWlanInfoArray;

//  CLASS DEFINITION

/**

 * Abstract interface for CWsfWlanInfoArray to allow visitor-like overloading 

 * for array sorting

 * @lib wsfwlaninfo.lib

 * @since S60 5.0

 */

class MWsfWlanInfoArrayFilterVisitor 

    {

    public:     // Destructor

		/**

		* Destructor

		*/

        virtual ~MWsfWlanInfoArrayFilterVisitor() {}

	public:	

		/**

		* Execute presort before starting the actual sorting

		* @since S60 5.0

		* @param aArray The array to work on

		*/

		virtual void FilterPreSortL( CWsfWlanInfoArray* aArray ) = 0;

		/**

		* Run postsort after he actual sorting is executed

		* @since S60 5.0

		* @param aArray The array to work on

		*/

		virtual void FilterPostSortL( CWsfWlanInfoArray* aArray ) = 0;

        /**        

        * Return the handle for sorting key

		* @since S60 5.0

		* @return The handle for the sorting key

        */        

        virtual TKeyArrayFix& SortingKey() = 0; 

    };

#endif      //  M_WSFWLANINFOARRAYFILTERVISITOR_H

// End of file