/*

* Copyright (c) 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: 

*       The class implements a GSM-specific state machine

*

*/

#ifndef CPHONESTATEMACHINEGSM_H

#define CPHONESTATEMACHINEGSM_H

//  INCLUDES

#include "cphonestatemachine.h"

// FORWARD DECLARATIONS

// CLASS DECLARATION

class MPhoneCustomization;

/**

*  The class implements a GSM-specific state machine

*/

class CPhoneStateMachineGSM : public CPhoneStateMachine

    {

    public:  

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CPhoneStateMachineGSM();

    public: // New functions

        /**

        * Creates the only instance of state machine class

        * @param aViewCommandHandle: a handle to the Phone UI view

        * @return an instance of class CPhoneStateMachine

        */

        static CPhoneStateMachineGSM* NewL(

            MPhoneViewCommandHandle* aViewCommandHandle );

    public: // From MPhoneStateMachine

        /**

        * Returns active state

        */

        IMPORT_C MPhoneState* State();

        /**

        * Instantiates protocol specific Phone Engine

        * @param reference to Engine Monitor

        * @return Phone Engine instance

        */

        IMPORT_C MPEPhoneModel* CreatePhoneEngineL( MEngineMonitor& aEngineMonitor );

    protected:

        /**

        * By default EPOC constructor is private.

        */

        IMPORT_C CPhoneStateMachineGSM(

            MPhoneViewCommandHandle* aViewCommandHandle );

        // Phone customization

        MPhoneCustomization* iCustomization;

    private: // Data

        // Is emergency object instantiated - needed to prevent multiple instantiation

        TBool iEmergencyStateConstructed;

         // Emergency state which is hold in memory all the time.

        MPhoneState* iEmergencyState;         

    };

#endif      // CPHONESTATEMACHINEGSM_H

// End of File