/*

* Copyright (c) 2007 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: Implementation of CPhoneStateMachineVoIP class.

*

*/

// INCLUDE FILES

#include "cphonestatemachinevoip.h"

#include "phonelogger.h"

#include "phonestatedefinitionsvoip.h"

#include "cphonestateidlevoip.h"

#include "cphonestateincomingvoip.h"

#include "cphonestatecallsetupvoip.h"

#include "cphonestatesinglevoip.h"

#include "cphonestatealertingvoip.h"

#include "cphonecustomizationvoip.h"

#include "cphonevoiperrormessageshandler.h"

#include "cphonestateutilsvoip.h"

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------------------------

// CPhoneStateMachineVoIP::CPhoneStateMachineVoIP

// C++ default constructor can NOT contain any code, that

// might leave.

// ---------------------------------------------------------------------------

//

CPhoneStateMachineVoIP::CPhoneStateMachineVoIP(

    MPhoneViewCommandHandle* aViewCommandHandle ) :

    CPhoneStateMachineGSM( aViewCommandHandle )

    {

    }

// ---------------------------------------------------------------------------

// CPhoneStateMachineVoIP::~CPhoneStateMachineVoIP()

// Destructor

// (other items were commented in a header).

// ---------------------------------------------------------------------------

//

CPhoneStateMachineVoIP::~CPhoneStateMachineVoIP()

    {

    __LOGMETHODSTARTEND( PhoneUIVoIPExtension, 

        "CPhoneStateMachineVoIP::~CPhoneStateMachineVoIP()" );

    delete iVoipCustomization;

    delete iStateUtils;

    Dll::FreeTls();

    }

// ---------------------------------------------------------------------------

// CPhoneStateMachineVoIP::ConstructL

// Constructor

// (other items were commented in a header).

// ---------------------------------------------------------------------------

//

void CPhoneStateMachineVoIP::ConstructL()

    {

    __LOGMETHODSTARTEND( 

        PhoneUIVoIPExtension, "CPhoneStateMachineVoIP::ConstructL()" );

    iVoipCustomization = CPhoneCustomizationVoip::NewL( *this, *iViewCommandHandle );

    iCustomization = iVoipCustomization;

    iStateUtils = CPhoneStateUtilsVoip::NewL( *this, *iViewCommandHandle );

    }

// ---------------------------------------------------------------------------

// CPhoneStateMachineVoIP::State

// ---------------------------------------------------------------------------

//

MPhoneState* CPhoneStateMachineVoIP::State()

    {

    __LOGMETHODSTARTEND( 

        PhoneUIVoIPExtension, "CPhoneStateMachineVoIP::State()" );

    TInt err( KErrNone );

    TBool madeStateTransition( EFalse );

    TBool deleteOldState( ETrue );

    if( iOldStateId != iNewStateId )

        {

        if( iOldStateId == EPhoneStateIdle ||

            iOldStateId == EPhoneStateEmergency )

            {

            deleteOldState = EFalse;

            }

        if ( deleteOldState )

            {

            // Possible that derived class has been deleted iState,

            // so this delete statement may be useless.

            delete iState;

            iState = NULL;                      

            }

        // State transition need to be made - construct new state and

        // destruct old

        switch( iNewStateId )

            {

            case EPhoneStateCallSetup:

                TRAP( err, iState = CPhoneStateCallSetupVoIP::NewL( 

                    *this, *iViewCommandHandle, *iVoipCustomization ) );

                __ASSERT_ALWAYS( KErrNone == err, User::Invariant() );

                madeStateTransition = ETrue;

                break;

            case EPhoneStateIdle:

                if( iIdleState == NULL )

                    {

                    TRAP( err, iIdleState = CPhoneStateIdleVoIP::NewL( 

                        *this, *iViewCommandHandle, *iVoipCustomization ) );

                    __ASSERT_ALWAYS( KErrNone == err, User::Invariant() );

                    }

                iState = iIdleState;

                madeStateTransition = ETrue;

                break;                     

            case EPhoneStateIncoming:

                TRAP( err, iState = CPhoneStateIncomingVoIP::NewL( 

                    *this, *iViewCommandHandle, *iVoipCustomization ) );

                __ASSERT_ALWAYS( KErrNone == err, User::Invariant() );

                madeStateTransition = ETrue;

                break;                     

            case EPhoneStateSingle:

                TRAP( err, iState = CPhoneStateSingleVoIP::NewL( 

                    *this, *iViewCommandHandle, *iVoipCustomization ));

                __ASSERT_ALWAYS( KErrNone == err, User::Invariant() );

                madeStateTransition = ETrue;

                break;

            case EPhoneStateAlerting:

                TRAP( err, iState = CPhoneStateAlertingVoIP::NewL(

                    *this, *iViewCommandHandle, *iVoipCustomization ));

                __ASSERT_ALWAYS( KErrNone == err, User::Invariant() );

                madeStateTransition = ETrue;

                break;

            default:

                iState = CPhoneStateMachineGSM::State();

                break;

            }

        }

    if ( madeStateTransition )

        {

        iOldStateId = iNewStateId;

        }

    return iState;

    }

// ---------------------------------------------------------------------------

// CPhoneStateMachineVoIP::SetVoipErrorMessageHandler

// ---------------------------------------------------------------------------

//

void CPhoneStateMachineVoIP::SetVoipErrorMessageHandler( 

        CPhoneVoIPErrorMessagesHandler& iErrorHandler )

    {

    iVoipErrorMessageHandler = &iErrorHandler;

    }

// ---------------------------------------------------------------------------

// CPhoneStateMachineVoIP::VoipErrorMessageHandler

// ---------------------------------------------------------------------------

//

CPhoneVoIPErrorMessagesHandler& 

        CPhoneStateMachineVoIP::VoipErrorMessageHandler() const

    {

    __ASSERT_DEBUG( NULL != iVoipErrorMessageHandler, User::Invariant() );

    return *iVoipErrorMessageHandler;

    }

// ---------------------------------------------------------------------------

// CPhoneStateMachineVoIP::StateUtils

// ---------------------------------------------------------------------------

//

CPhoneStateUtilsVoip& CPhoneStateMachineVoIP::StateUtils()

    {

    return *iStateUtils;

    }

// ---------------------------------------------------------------------------

// CPhoneStateMachineVoIP::NewL()

// Constructor

// (other items were commented in a header).

// ---------------------------------------------------------------------------

//

CPhoneStateMachineVoIP* CPhoneStateMachineVoIP::NewL(

        MPhoneViewCommandHandle* aViewCommandHandle )

    {

    __LOGMETHODSTARTEND( 

        PhoneUIVoIPExtension, "CPhoneStateMachineVoIP::NewL()" );

    CPhoneStateMachineVoIP* self = 

        new (ELeave) CPhoneStateMachineVoIP( aViewCommandHandle );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// End of File