/*

* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  CPosLmCatNameCriteria class

*

*/

#ifndef CPOSLMCATNAMECRITERIA_H

#define CPOSLMCATNAMECRITERIA_H

#include <e32base.h>

#include "EPos_CPosLmSearchCriteria.h"

/**

*  Criterion for searching landmark categories with a certain name.

*

*  Wild-card characters are supported.

*

*  The client specifies the search pattern and starts the search using

*  @ref CPosLandmarkSearch. The search returns all categories which

*  match the search pattern.

*

*  This criterion is only valid when searching for landmark categories, i.e. if

*  it is passed to @p CPosLandmarkSearch::StartLandmarkSearchL, the function

*  will fail with error code @p KErrArgument.

*

*  @lib eposlmsearchlib.lib

*  @since S60 3.0

*/

class CPosLmCatNameCriteria : public CPosLmSearchCriteria

    {

    public:

        /**

        * Two-phased constructor.

        * @returns A new instance of this class.

        */

        IMPORT_C static CPosLmCatNameCriteria* NewLC();

        /**

        * Destructor.

        */

        virtual ~CPosLmCatNameCriteria();

    public:

        /**

        * Retrieves the search pattern.

        *

        * @return The category name search pattern.

        */

        IMPORT_C TPtrC SearchPattern() const;

        /**

        * Sets the search pattern.

        *

        * A non-empty search pattern must be set, otherwise

        * @ref CPosLandmarkSearch::StartCategorySearchL will leave with error

        * code @p KErrArgument.

        *

        * The search is case insensitive.

        *

        * Wild-card characters "?" and "*" are supported in the search string.

        * "?" matches a single occurrence of any character and "*" matches

        * zero or more consecutive occurrences of any characters.

        *

        * @param[in] aSearchPattern The pattern used to find categories.

        *

        * @leave KErrArgument The search pattern is longer than 

        *   @p KPosLmMaxCategoryNameLength.

        */

        IMPORT_C void SetSearchPatternL( const TDesC& aSearchPattern );

    private:

        CPosLmCatNameCriteria();

        void ConstructL();

        // Prohibit copy constructor

        CPosLmCatNameCriteria( const CPosLmCatNameCriteria& );

        // Prohibit assigment operator

        CPosLmCatNameCriteria& operator= ( const CPosLmCatNameCriteria& );

    private:

        HBufC* iSearchPattern;

    };

#endif      // CPOSLMCATNAMECRITERIA_H