/*

* 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:  Listener class for Wim token removal event

*

*/

#ifndef CWIMTOKENLISTENER_H

#define CWIMTOKENLISTENER_H

//  INCLUDES

#include "WimSecModule.h"

#include <e32base.h>

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

*  CWimTokenListener listens removal event from WimServer

*

*  @lib   WimPlugin

*  @since Series60 2.1

*/

class CWimTokenListener : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aWimSecModule (IN) A pointer to current security module

        * @return An instance of this class

        */

        static CWimTokenListener* NewL( CWimSecModule* aWimSecModule );

        /**

        * Destructor.

        */

        virtual ~CWimTokenListener();

    public: // New functions

        /**

        * Starts system to listen token removal

        * @return void

        */

        void StartListening();

        /**

        * Set client status

        * @param aStatus (IN/OUT) Client status that wants to know if token 

        *        is removed

        * @return void

        */

        void SetClientStatus( TRequestStatus& aStatus );

        /**

        * Clear client status. This is done when framework's CancelNotify()

        * is called. The client won't get any message about token removal.

        * @return void

        */

        void ClearClientStatus();

        /**

        * Returns token status.

        * @return KRequestPending meaning that token is not removed, 

        *         KErrNone meaning that token has been removed, 

        */

        TInt TokenStatus();

    private: // From base class CActive

        void RunL();

        void DoCancel();

    private: // Constructors

        /**

        * Default constructor.

        * @param aWimSecModule (IN) A pointer to current security module

        */

        CWimTokenListener( CWimSecModule* aWimSecModule );

        // Second phase constructor

        void ConstructL();

    private:    

        // A pointer to current security module.

        // This class don't own the pointed object.

        CWimSecModule* iWimSecModule;

        // A pointer to UI's request status

        // This class don't own the pointed object.

        TRequestStatus* iClientStatus;

        // Status value of token

        TInt iTokenStatus;

    };

#endif      // CWIMTOKENLISTENER_H   

// End of File