/*

* ==============================================================================

*  Name:           ssm_emergencycallrf_trcommand.h

*  Part of:        SSMA EmergencyCallRfAdaptation

*  Interface:      N/A

*  Description:    Declaration of CEmergencyCallRfTrCommand class

*  %version:       1 %

*  %date_modified: Tue Dec 29 15:38:00 2009 %

*

* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Symbian Foundation License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* CEmergencyCallRfTrCommand class declarations

*/

#ifndef SSM_EMERGENCYCALLRF_TRCOMMAND_H

#define SSM_EMERGENCYCALLRF_TRCOMMAND_H

//  INCLUDES

#include <e32base.h>

#include "ssm_emergencycallrf_adaptation.h"

// CONSTANTS

// Constants for iTransactionState

#define EMERGENCYCALLRF_TR_INIT      0x00

#define EMERGENCYCALLRF_TR_ONGOING   0x01

#define EMERGENCYCALLRF_TR_COMPLETED 0x02

#define EMERGENCYCALLRF_TR_FAILED    0x03

// MACROS 

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CEmergencyCallRfAdaptation;

// CLASS DECLARATION

/**

*  CEmergencyCallRfTrCommand

*

*  This class declarates SSM Adaptation plug-in module, which provides

*  methods for sending Domestic OS messages.

*/

class CEmergencyCallRfTrCommand : public CBase

    {

    public:

        /**

        * Two-phased constructor.

        * @param iAdaptation                Reference to CHapticsAdaptation

        * @param aTransactionId             Unique Transaction Id

        */

        static CEmergencyCallRfTrCommand* NewL( CEmergencyCallRfAdaptation &iAdaptation,

                                                TUint8 aTransactionId );

        /**

        * Destructor.

        */

        virtual ~CEmergencyCallRfTrCommand();

    private:

        /**

        * C++ default constructor.

        */

        CEmergencyCallRfTrCommand( CEmergencyCallRfAdaptation &iAdaptation,

                                   TUint8 aTransactionId );

    public: // New functions

        /**

        * Receive messages from Adaptation

        * @param aCommandId             Identification of current command

        * @param aData                  Data associated with the command.

        * @return none 

        */

        void ProcessMessageL( const TInt aCommandId, 

                              TDesC8& aData );

        /**

        * Returns a current transaction ID

        * @return     A transaction ID

        */

        TUint8 TransactionId() const;

        /**

        * Returns transaction state value

        * @return    A current transaction state

        */

        TUint8 TransactionState() const;

    private: // New functions

        /**

        * Creates and sends MCE_RF_STATE_REQ message

        * @param aRequestInfo           Requested state info

        * @return none

        */

        void MCE_RF_STATE_REQL( TUint8 aRequestInfo );

        /**

        * Parses received MCE_RF_STATE_RESP

        * @param aData                  Reference to received MCE_RF_STATE_RESP

        * @return none

        */

        void ParseMCE_RF_STATE_RESPL( TDesC8 &aData );

    private: // Data

        // Reference to Adaptation

        CEmergencyCallRfAdaptation &iAdaptation;

        // Transaction ID

        TUint8 iTransactionId;

        /**

        * A current transaction states

        *  - EMERGENCYCALLRF_TR_INIT

        *  - EMERGENCYCALLRF_TR_ONGOING

        *  - EMERGENCYCALLRF_TR_COMPLETED

        *  - EMERGENCYCALLRF_TR_FAILED

        */

        TUint8 iTransactionState;

    };

#endif // SSM_EMERGENCYCALLRF_TRCOMMAND_H

//End of file