phoneapp/phoneuistates/inc/cphonestatemachinegsm.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:18:27 +0200
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/*
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* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*       The class implements a GSM-specific state machine
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*
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*/
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#ifndef CPHONESTATEMACHINEGSM_H
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#define CPHONESTATEMACHINEGSM_H
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//  INCLUDES
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#include "cphonestatemachine.h"
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// FORWARD DECLARATIONS
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// CLASS DECLARATION
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class MPhoneCustomization;
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/**
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*  The class implements a GSM-specific state machine
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*/
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class CPhoneStateMachineGSM : public CPhoneStateMachine
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    {
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    public:  
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        /**
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        * Destructor.
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        */
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        IMPORT_C virtual ~CPhoneStateMachineGSM();
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    public: // New functions
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        /**
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        * Creates the only instance of state machine class
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        * @param aViewCommandHandle: a handle to the Phone UI view
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        * @return an instance of class CPhoneStateMachine
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        */
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        static CPhoneStateMachineGSM* NewL(
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            MPhoneViewCommandHandle* aViewCommandHandle );
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    public: // From MPhoneStateMachine
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        /**
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        * Returns active state
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        */
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        IMPORT_C MPhoneState* State();
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        /**
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        * Instantiates protocol specific Phone Engine
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        * @param reference to Engine Monitor
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        * @return Phone Engine instance
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        */
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        IMPORT_C MPEPhoneModel* CreatePhoneEngineL( MEngineMonitor& aEngineMonitor );
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    protected:
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        /**
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        * By default EPOC constructor is private.
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        */
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        IMPORT_C CPhoneStateMachineGSM(
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            MPhoneViewCommandHandle* aViewCommandHandle );
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        // Phone customization
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        MPhoneCustomization* iCustomization;
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 	private: // Data
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		// Is emergency object instantiated - needed to prevent multiple instantiation
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 		TBool iEmergencyStateConstructed;
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         // Emergency state which is hold in memory all the time.
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        MPhoneState* iEmergencyState;         
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    };
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#endif      // CPHONESTATEMACHINEGSM_H
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// End of File