/*

* Copyright (c) 2002-2005 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:  Interface for Ui sessions

*

*/

#ifndef MSATUISESSION_H

#define MSATUISESSION_H

//  INCLUDES

#include <e32std.h>

#include <etelsat.h>

#include "SatSOpcodes.h"

// FORWARD DECLARATION

class MSatCommand;

// CLASS DECLARATION

/**

*  Ui sub session interface for commands.

*

*  @lib SatEngine.lib

*  @since Series 60 3.0

*/

class MSatUiSession

    {

    protected:  // Constructors and destructor

        /**

        * C++ default constructor.

        */

        MSatUiSession() {};

        /**

        * Destructor.

        */

        virtual ~MSatUiSession() {};

    public: // New functions

        /**

        * Closes the ui session.

        */

        virtual void CloseUiSession() = 0;

        /**

        * Clears the screen.

        */

        virtual void ClearScreen() = 0;

        /**

        * Ui Event

        */

        virtual void UiEventNotification( 

            TInt aEventId,

            TInt aEventStatus,

            TInt aEventError ) = 0;

        /**

        * Notification that command data is available.

        * @param aCmdData Data to be sent to client.

        * @param aCmdRsp Response from Client is written to this.

        * @param aRequest Request, where the data is sent.

        */

        virtual void SendCommand(

            TDesC8* aCmdData,

            TDes8* aCmdRsp,

            TSatServerRequest aRequest ) = 0;

    private:

        // Prohibit copy constructor if not deriving from CBase.

        MSatUiSession( const MSatUiSession& );

        // Prohibit assigment operator if not deriving from CBase.

        MSatUiSession& operator=( const MSatUiSession& );

    };

#endif      // MSATUISESSION_H

// End of File