/*

* 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:  Registry of smart card readers.

*

*/

#ifndef CSCARDREADERREGISTRY_H

#define CSCARDREADERREGISTRY_H

//  INCLUDES

#include "ScardDefs.h"

#include <f32file.h>    // For RFs

//  FORWARD DECLARATIONS

class CScardServer;

class MScardReader;

class MScardReaderLauncher;

class CScardAccessControl;

// DATA TYPES

struct TLauncherStruct

    {

    RFs         iSession;

    RLibrary    iLibrary;

    TGroupID    iGroupID;

    TReaderID   iReaderID;

    MScardReaderLauncher* iLauncher;

    TLauncherStruct();

    };

// CLASS DECLARATION

/**

*  Reader registry.

*  This class handles all server-side connections to the reader/card database. 

*  Creates reader handlers, queries whether a given reader is supported and 

*  gives lists of all the currently open or closed readers.

*

*  @lib Scard.lib

*  @since Series60 2.1

*/

class CScardReaderRegistry : public CBase

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aServer Pointer to CScardServer object

        */

        static CScardReaderRegistry* NewL( CScardServer* aServer ); 

        /**

        * Destructor.

        */

        virtual ~CScardReaderRegistry();

    public: // New functions

        /**

        * Loads reader handler module with given ID.

        * @param aReaderID Reader ID

        * @return pointer to MScardReader object

        */

        MScardReader* LoadReaderL( const TReaderID aReaderID );

        /**

        * Unload the reader module with given ID.

        * @param aReaderID Reader ID

        * @return void

        */

        void CloseReader( const TReaderID aReaderID );

        /**

        * Get ID for name.

        * @param aReaderName Reader name

        * @return TReaderID object

        */

        TReaderID ReaderID( const TScardReaderName& aReaderName );

        /**

        * Get name for ID.

        * @param aReaderID Reader ID

        * @return TScardDBName object

        */

        const TScardReaderName FriendlyName( const TReaderID aReaderID );

        /**

        * Is reader supported or not?

        * @param aReaderName Reader name

        * @return ETrue if supported, else EFalse

        */

        TBool IsSupported( const TScardReaderName& aReaderName );

        /**

        * Lists open readers.

        * @param aACList (OUT) List of readers

        * @return void

        */

        void ListOpenReadersL( CArrayFix<CScardAccessControl*>* aACList );

        /**

        * List the readers, which have not opened yet.

        * @param aACList (OUT) List of readers

        * @return void

        */

        void ListClosedReadersL( CArrayFix<TReaderID>* aIDList );

    private:

        /**

        * C++ default constructor.

        * @param aServer Pointer to CScardServer object

        */

        CScardReaderRegistry( CScardServer* aServer );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Loads the reader handler dll corresponding to given parameters

        * @param aGroupID Group ID

        * @param aReaderID Reader ID

        * @return Pointer to MScardReaderLauncher object

        */

        MScardReaderLauncher* LoadFactoryModuleL( const TGroupID aGroupID,

                                                  const TReaderID aReaderID );

    private:    // Data

        // Handle for server. Not owned

        CScardServer*  iServer; 

        // Storage to keep track of loaded factories. Owned.

        CArrayFixFlat<TLauncherStruct>* iLaunchersInUse;

    };

#endif      // CSCARDREADERREGISTRY_H

// End of File