/*

* 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:  A class implementing two stacks. One is a fifo-stack of

*               reader events, the other a random-access stack of service

*               providers that are not used with a given reader.

*

*/

#ifndef CSCARDEVENTSTACK_H

#define CSCARDEVENTSTACK_H

//  INCLUDES

#include "ScardServerBase.h"

#include "ScardDefs.h"

//  FORWARD DECLARATIONS

class CScardConnector;

// CLASS DECLARATION

/**

*  A class implementing two stacks. 

*  One is a fifo-stack of reader events, the other a random-access stack of

*  service providers that are not used with a given reader.

*

*  @lib Scard.lib

*  @since Series60 2.1

*/

class CScardEventStack : public CBase  

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aConnector Pointer to connector object

        */

        static CScardEventStack* NewL( CScardConnector* aConnector );

        /**

        * Destructor.

        */

        virtual ~CScardEventStack();

    public: // New functions

        /**

        * Queue events

        * @param aReaderID ReaderID

        * @param aEventType Event type

        * @return void

        */

        void QueueEvent( const TReaderID aReaderID,

                         const TScardServiceStatus aEventType );

    private:

        /**

        * C++ default constructor.

        */

        CScardEventStack();

        /**

        * By default Symbian 2nd phase constructor is private.

        * @param aConnector Pointer to connector object

        */

        void ConstructL( CScardConnector* aConnector );

    private:    // Data

        // Array of event. Owned.

        CArrayFixFlat<TQueueEvent>*  iEvents;

        // Pointer to connector object. Not owned.

        CScardConnector* iConnector;

    };

#endif      // CSCARDEVENTSTACK_H

// End of File