/*

* Copyright (c) 2008 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:  Class that capsulates single service data members

*

*/

//  INCLUDES

#include "cvimpstenginevoipsubservice.h"

#include "cvimpstenginecchhandler.h"

#include "tvimpstconsts.h"

#include "cvimpstengineservicetablefetcher.h"

#include "mvimpstengineserviceconnectioneventobserver.h"

//debug

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

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

// CVIMPSTEngineVOIPSubService::NewL

// 

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

CVIMPSTEngineVOIPSubService* CVIMPSTEngineVOIPSubService::NewL( TUint32 aServiceId,

									CVIMPSTEngineCchHandler& aCchHandler,

									CVIMPSTEngineServiceTableFetcher& aTableFetcher,

									MVIMPSTEngineServiceConnectionEventObserver& aObserver

									)

    {

    CVIMPSTEngineVOIPSubService* self = CVIMPSTEngineVOIPSubService::NewLC(aServiceId,aCchHandler,

    										aTableFetcher, aObserver);

    CleanupStack::Pop( self );

    return self;

    }

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

// CVIMPSTEngineVOIPSubService::NewLC

// 

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

CVIMPSTEngineVOIPSubService* CVIMPSTEngineVOIPSubService::NewLC( TUint32 aServiceId,

                                                   	CVIMPSTEngineCchHandler& aCchHandler,

                                                   	CVIMPSTEngineServiceTableFetcher& aTableFetcher,

                                                   	MVIMPSTEngineServiceConnectionEventObserver& aObserver )

	{

    CVIMPSTEngineVOIPSubService* self = new (ELeave) CVIMPSTEngineVOIPSubService(

    												aServiceId,aCchHandler,aTableFetcher,

    												aObserver  );

    CleanupStack::PushL( self );

    self->ConstructL( );

    return self;

	}

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

// CVIMPSTEngineVOIPSubService::~CVIMPSTEngineVOIPSubService

// 

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

CVIMPSTEngineVOIPSubService::~CVIMPSTEngineVOIPSubService()

	{

   	iCchHandler.UnRegisterCchObserver(ECCHVoIPSub);	

 	}

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

// CVIMPSTEngineVOIPSubService::ConstructL

// 

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

void CVIMPSTEngineVOIPSubService::ConstructL(  )

	{

	TCCHSubserviceState serviceState = ECCHUninitialized;    

    TInt error = iCchHandler.GetServiceState( 

        			iServiceId, ECCHVoIPSub, serviceState );

	iServiceState = ResolveServiceState(serviceState, error);    	

	iCchHandler.RegisterCchObserverL(this,ECCHVoIPSub);       	

   	}

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

// CVIMPSTEngineVOIPSubService::CVIMPSTEngineVOIPSubService

// 

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

CVIMPSTEngineVOIPSubService::CVIMPSTEngineVOIPSubService( TUint32 aServiceId, 

                                              CVIMPSTEngineCchHandler& aCchHandler,

                                              CVIMPSTEngineServiceTableFetcher& aTableFetcher,

                                              MVIMPSTEngineServiceConnectionEventObserver& aObserver) :

iServiceId(aServiceId),

iCchHandler(aCchHandler),

iTableFetcher(aTableFetcher),

iType (TVIMPSTEnums::EVoip),

iObserver(aObserver)

	{

	}

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

// CVIMPSTEngineVOIPSubService::CchEventOccuredL()

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

// 

void CVIMPSTEngineVOIPSubService::CchEventOccuredL( TUint /*aServiceId*/, 

    TCCHSubserviceState aState, TInt aServiceError )

	{	

	if ( aServiceError && ECCHDisabled != aState )

        {

        //we might even end up in waiting for connection state for all

        //those service which are ALR enabled

        //So better check here if you get any CCH errors

        iServiceState = ResolveServiceState( aState, aServiceError );

        iObserver.HandleServceConnectionEventL();

        DoHandleCchErrorL( aServiceError );

        }

    else

        {

        iServiceState = ResolveServiceState( aState, aServiceError );    

        iObserver.HandleServceConnectionEventL();

        }	

    }    

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

// CVIMPSTEngineVOIPSubService::DoHandleCchErrorL()

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

// 

void CVIMPSTEngineVOIPSubService::DoHandleCchErrorL( 

    TInt aServiceError )

    {

	/*								

	MCchUi& cchUi = iCchHandler.CchUiApi();

    switch ( aServiceError )

        {

        case KCCHErrorNetworkLost:  

        	{

        	cchUi.ShowDialogL( iServiceId, MCchUiObserver::ECchUiDialogTypeNoConnectionAvailable );

            break;

            }

        default:

            {

            break;

            }

        }

        */

    }	

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

// CVIMPSTEngineVOIPSubService::ResolveServiceState

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

// 

TVIMPSTEnums::TVIMPSTRegistrationState CVIMPSTEngineVOIPSubService::ResolveServiceState(

										TCCHSubserviceState aState, 

            							TInt aServiceError )

    {

    TVIMPSTEnums::TVIMPSTRegistrationState state = TVIMPSTEnums::ESVCENotRegistered;       

    TBool handleServiceStates = ETrue;

    if ( aServiceError && ECCHDisabled != aState )

        {    

		//Only if the Service supports ALR, the state can goto WaitingForNetwork

		//Still API from CCH is required to know whether ALR is supported or not

        if ( (KCCHErrorInvalidSettings != aServiceError) && (ECCHConnecting == aState) )        

            {   

            handleServiceStates = EFalse;  

            state = TVIMPSTEnums::ESVCEWaitingForNetwork;	           

            }

        }

    if ( handleServiceStates )

        {        

        switch ( aState )

            {

            case ECCHEnabled:

                {

                state = TVIMPSTEnums::ESVCERegistered;

                }

                break;

            case ECCHDisconnecting:      

                {

                state = TVIMPSTEnums::ESVCENetworkDisConnecting;

                }

                break;

            case ECCHUninitialized:

            case ECCHDisabled:  

                {

                state = TVIMPSTEnums::ESVCENotRegistered;

                }

                break;

            case ECCHConnecting:               

                {

                state = TVIMPSTEnums::ESVCENetworkConnecting;

                }

                break;

            default:

                break;

            }

        }        

    return state;  

    }

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

// CVIMPSTEngineVOIPSubService::SubServiceState

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

// 

TVIMPSTEnums::TVIMPSTRegistrationState CVIMPSTEngineVOIPSubService::SubServiceState() const

	{

	return iServiceState;

	}

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

// CVIMPSTEngineVOIPSubService::Type

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

// 

TVIMPSTEnums::SubServiceType CVIMPSTEngineVOIPSubService::Type() const	

	{

	return iType;	

	}

//  End of File