/*

* Copyright (c) 2003 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:  This class returns all supported readers and reader groups.

*

*/

#ifndef CSCARDREADERQUERY_H

#define CSCARDREADERQUERY_H

//  INCLUDES

#include "ScardDefs.h"

// CLASS DECLARATION

/**

*  Utility class to make queries for readers and reader groups.

*  This class is intended for use by all Smart card aware

*  applications that need to query the resources available on

*  the framework.

*

*  @lib Scard.lib

*  @since Series60 2.1

*/

class CScardReaderQuery : public CBase

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CScardReaderQuery* NewL();

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CScardReaderQuery();

    public: // New functions

        /**

        * Create a list of all the readers belonging to the group.

        * @param aReaderList Dynamic array that will be filled with the 

        * names of the readers that belong to the group. The array must 

        * be already allocated and it must be empty. There is only one 

        * reader in Series 60. If given group is not what expected, leaves

        * with KScErrNotSupported

        * @param aGroupName Name of the reader group to be queried.

        */

        IMPORT_C void ListReadersL(

            CArrayFixFlat<TScardReaderName>* aReaderList,

            const TScardReaderName& aGroupName );

        /**

        * List all groups currently installed to the framework.

        * @param aGroupList dynamic array that will be filled with the 

        *        names of the groups. The array must be already allocated and

        *        it must be empty.

        */

        IMPORT_C void ListGroupsL(

            CArrayFixFlat<TScardReaderName>* aGroupList );

    private:

        /**

        * C++ default constructor.

        */

        CScardReaderQuery();

        /**

        * Symbian 2nd phase constructor.

        */

        void ConstructL();

    };

#endif      // CSCARDREADERQUERY_H   

// End of File