/*

* 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:  Notification Registry for SmartCard.

*

*/

#ifndef CSCARDNOTIFYREGISTRY_H

#define CSCARDNOTIFYREGISTRY_H

//  INCLUDES

#include "ScardServerBase.h"

#include "ScardNotifyObserver.h"

// CONSTANTS

const TReaderID KServerNotifier = -1;

//  FORWARD DECLARATIONS

class CScardServer;

class CScardNotifier;

// CLASS DECLARATION

/**

*  Keeps track of notifiers.

*

*  @lib Scard.lib

*  @since Series60 2.1

*/

class CScardNotifyRegistry : public CBase, public MScardNotifyObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static  CScardNotifyRegistry* NewL( CScardServer* aServer );

        /**

        * Destructor.

        */

        virtual ~CScardNotifyRegistry();

    public: // New functions

        /**

        * Creates a notifier if necessary.

        * @param aMessage Message

        * @return void

        */

        void AddReaderEventListenerL( const RMessage2& aMessage );

        /**

        * Removes the notifier.

        * @param aMessage Message

        * @return void

        */

        void RemoveReaderEventListener( const RMessage2& aMessage );

        /**

        * Removes all notifiers for given client.

        * @param aClient Client thread

        * @return void

        */

        void RemoveReaderEventListeners( const RThread& aClient );

        /**

        * Notify clients about card event.

        * @param aEvent Event

        * @param aReaderID Reader ID

        * @return void

        */

        IMPORT_C void NotifyCardEvent( TScardServiceStatus aEvent,

                                       TReaderID aReaderID );

        /**

        * Return pointer to Server

        * @return Pointer to the Server object

        */

        CScardServer* Server();

        /**

        * Cancels the request.

        * @param aStatus Request status

        * @return void

        */

        void Cancel( TRequestStatus& aStatus );

    private:

        /**

        * C++ default constructor.

        */

        CScardNotifyRegistry(); 

        /**

        * Symbian 2nd phase constructor.

        */

        void ConstructL( CScardServer* aServer);  

    private:    // Data

        // Array of notifiers. Owned.

        CArrayPtrFlat<CScardNotifier>* iNotifiers;    

        // Server object. Not owned.

        CScardServer*                  iServer;

    };

#endif      // CSCARDREGISTRY_H

// End of File