/*

* Copyright (c) 2004-2006 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:   Methods for CNcnModel class.

*

*/

// INCLUDE FILES

#include    "NcnDebug.h"

#include    "NcnModel.h"

#include    "NcnCRHandler.h"

#include    "NcnSNNotifier.h"

#include    "CVoiceMailManager.h"

#include    <msgsimscnumberdetector.h>

#include	<RSatRefresh.h>

#include	<RSatSession.h>

// ================= LOCAL CONSTANTS =======================

namespace

    {

    }

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

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

// CNcnModelBase::NewL

// Protocol specific class factory

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

//

CNcnModelBase* CNcnModelBase::NewL()

    {

    CNcnModelBase* self = CNcnModel::NewL();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

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

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

// might leave.

CNcnModel::CNcnModel()

:	iSatSession(NULL),

	iSatRefresh(NULL)

    {

	}

// Two-phased constructor.

CNcnModelBase* CNcnModel::NewL()

    {

    CNcnModelBase* self = new (ELeave) CNcnModel();

    return self;

    }

// Symbian OS default constructor can leave.

void CNcnModel::ConstructL()

    {

	// Call base class's constructor

    CNcnModelBase::ConstructL();

    //Subscribe to SAT Refresh notifications

	iSatSession = new ( ELeave ) RSatSession;

	iSatSession->ConnectL();

	iSatRefresh = new ( ELeave ) RSatRefresh( *this );

	iSatRefresh->OpenL( *iSatSession );

	//We subcribe the EF_SMSP file changes

	TSatRefreshFiles file;

	file.Append( KSmspEf );

	iSatRefresh->NotifyFileChangeL( file );

    }

// Destructor

CNcnModel::~CNcnModel()

    {

    //Cleanup for iSatRefresh

    if ( iSatRefresh )

        {

        // Cancel notifications.

        iSatRefresh->Cancel();

        // Close SubSession.

        iSatRefresh->Close();

        }

	delete iSatRefresh;

	iSatRefresh = NULL;

    //Cleanup for iSatSession

	if ( iSatSession )

		{

		iSatSession->Close();

		}

	delete iSatSession;

	iSatSession = NULL;

    }

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

// CNcnModel::SetSimChanged

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

//

void CNcnModel::SetSimChanged( const TBool aSimChanged )

    {

    NCN_RDEBUG_INT(_L("CNcnModel::SimChanged() %d"), aSimChanged);

    aSimChanged ?

        ( iNcnStatusBits |= KNcnSimChanged ) :

        ( iNcnStatusBits &= ~KNcnSimChanged );

    // If the sim card has been changed we notify some components

    if( aSimChanged )

        {

        NCN_RDEBUG(_L("CNcnModel::SimChanged() ResetMissedCalls") );

        // Reset the stored indicator status variable in the file.

        iNcnCRHandler->ResetMissedCalls();

        // Notify VoiceMailManager if it exists

        // VM Manager does not exist in boot-up but will be

        // available later

        if ( iVoiceMailManager != NULL )

	        {

            NCN_RDEBUG(_L("CNcnModel::SimChanged() iVoiceMailManager->NotifyAboutSIMChange") );

	        iVoiceMailManager->NotifyAboutSIMChange();

	        }

        }

    else

      {

      iNcnCRHandler->UpdateMissedCallsNotification();

      }        

    // Check here if we should fetch the sms service center number

    // from the sim card.

    CheckIfSimSCOperationRequired();

    }

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

// CNcnModel::SetSmsInitialisationState

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

//

void CNcnModel::SetSmsInitialisationState(

    const TInt aSmsInitialisationPhase )

    {

    iSmsInitialisationPhase = aSmsInitialisationPhase;

    if ( iSmsInitialisationPhase != ESMSInitNone )

    	{

    	iNcnStatusBits |= KNcnSmsServicePresent;

    	}

    // Check here if we should fetch the sms service center number

    // from the sim card.

    CheckIfSimSCOperationRequired();

    }

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

// CNcnModel::CheckIfSimSCOperationRequired

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

//

void CNcnModel::CheckIfSimSCOperationRequired()

    {

    NCN_RDEBUG(_L("CNcnModelBase::CheckIfSimSCOperationRequired()" ));

 	TBool servicePresent = (iNcnStatusBits & KNcnSmsServicePresent);

	TBool simChanged = (iNcnStatusBits & KNcnSimChanged);

#ifdef _DEBUG

	TBool systemRefresh = (iNcnStatusBits & KNcnSystemRefresh);

	TBool readSimSc = (iNcnStatusBits & KNcnReadSimSc);		

#endif	

	NCN_RDEBUG_INT( _L("iSmsInitialisationPhase %d"), iSmsInitialisationPhase );

	NCN_RDEBUG_INT( _L("NCN status bit sms service present %d"), servicePresent );

	NCN_RDEBUG_INT( _L("NCN status bit sim changed %d"), simChanged );

	NCN_RDEBUG_INT( _L("NCN status bit system refresh %d"), systemRefresh );

	NCN_RDEBUG_INT( _L("NCN read sim service center %d"), readSimSc );		

	// If SIM has been changed, we clear KNcnReadSimSc bit so

	// that SIM won't be read twice. 

	if( ( iNcnStatusBits & KNcnReadSimSc ) && 

		( iNcnStatusBits & KNcnSimChanged ) )

		{

		iNcnStatusBits &= ~KNcnReadSimSc;			

		}

	// If SIM service is present and SIM SC should be read 

	// in every boot, we enable KNcnSystemRefresh flag which will

	// force SIM SC to be read. 

	if( ( iNcnStatusBits & KNcnReadSimSc ) && 

		( iNcnStatusBits & KNcnSmsServicePresent ) )

		{

		iNcnStatusBits &= ~KNcnReadSimSc;

		iNcnStatusBits |= KNcnSystemRefresh;

		}

    // Read service centres from SIM

    if( iSmsInitialisationPhase == ESMSInitNone )

        {

        NCN_RDEBUG(_L("CNcnModelBase::CheckIfSimSCOperationRequired() iSmsInitialisationPhase == ESMSInitNone" ));

        if( servicePresent )

            {

            NCN_RDEBUG(_L("CNcnModelBase::CheckIfSimSCOperationRequired() servicePresent" ));

            if( simChanged )

                {

                NCN_RDEBUG(_L("CNcnModelBase::CheckIfSimSCOperationRequired() simChanged" ));

                PerformSimServiceCentreFetching();

                }

            }

        return;

        }

    // Read service centres from SIM

    if ((( iSmsInitialisationPhase == ESMSInitReadServiceCentre ) && servicePresent ) ||

        // Initialisation complete

        (( iSmsInitialisationPhase == ESMSInitComplete ) && 

        ( simChanged  || iNcnStatusBits & KNcnSystemRefresh )))

        {

        NCN_RDEBUG(_L("CNcnModelBase::CheckIfSimSCOperationRequired() second Read service centres from SIM" ));

        PerformSimServiceCentreFetching();

        }

    }

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

// CNcnModel::PerformSimServiceCentreFetching

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

//

void CNcnModel::PerformSimServiceCentreFetching()

    {

    NCN_RDEBUG(_L("CNcnModelBase::PerformSimServiceCentreFetching() :: Waiting until starting the SC operation" ));

    // If the sms service center is not fetched yet, then we create a

    // CMsgSimOperation class which does the fetching and then,

    // when completed, returns the status as iStatus.

    if( iNcnCRHandler && 

        ( !( iNcnStatusBits & KNcnSimServiceCentreFetched ) 

        || ( iNcnStatusBits & KNcnSystemRefresh ) ) )

        {

        // Read service centres from SIM

		// 3 = read service centres from SIM

        iNcnCRHandler->SetSmumFlag( ESMSInitReadServiceCentre );

        iNcnStatusBits |= KNcnSimServiceCentreFetched;

        iNcnStatusBits &= ~KNcnSystemRefresh;

        if( IsActive() )

            {

            // Cancels the wait for completion of an outstanding request.

    		NCN_RDEBUG(_L("CNcnModelBase::PerformSimServiceCentreFetching() - cancelled outstanding request" ));

            Cancel();

            }

        // Ignore error, but don't let it leave

		TRAPD( err, iMsgSimOperation = CMsgSimOperation::NewL( iStatus ) );

		NCN_RDEBUG_INT2(_L("CNcnModelBase::PerformSimServiceCentreFetching - created CMsgSimOperation with status: %d error code: %d"), iStatus.Int(), err );

		if( err == KErrNone )

		    {

		    SetActive();

		    NCN_RDEBUG_INT(_L("CNcnModelBase::PerformSimServiceCentreFetching() - operation set active: %d"), iStatus.Int() );

		    }

        }

    }

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

// CNcnModel::ForceToPerformSimServiceCentreFetching

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

//

void CNcnModel::ForceToPerformSimServiceCentreFetching()

    {

    // Reset the sim service centre fetched information.

    iNcnStatusBits |= KNcnSystemRefresh;

    // Get the new sim service centre.

    CheckIfSimSCOperationRequired();

    }

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

// CNcnModel::CreateCRConnectionL

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

//

void CNcnModel::CreateCRConnectionL()

    {

    // Create a handler for central repository information

    iNcnCRHandler = CNcnCRHandler::NewL( this );

    }

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

// CNcnModel::AllowRefresh

// Refresh query. Determines whether we allow the refresh to happen.

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

//

#ifdef _DEBUG

TBool CNcnModel::AllowRefresh( TSatRefreshType aType, const TSatRefreshFiles& /*aFiles*/ )

#else

TBool CNcnModel::AllowRefresh( TSatRefreshType /*aType*/, const TSatRefreshFiles& /*aFiles*/ )

#endif

	{

 	// Refresh is always allowed

    NCN_RDEBUG( _L("CNcnModel::AllowRefresh()" ) );

    NCN_RDEBUG_INT( _L("CNcnModel::AllowRefresh() Refresh type: %d"), aType );

	return ETrue;

    }

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

// CNcnModel::Refresh

// Notification about file refresh. We should launch the fetching of the SMS

// service center in case the changed file is KSmspEf

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

//

#ifdef _DEBUG

void CNcnModel::Refresh( TSatRefreshType aType, const TSatRefreshFiles& /*aFiles*/ )

#else

void CNcnModel::Refresh( TSatRefreshType /*aType*/, const TSatRefreshFiles& /*aFiles*/ )

#endif

	{

	// The only "file change" that we have subscribed is KSmspEf, so we don't need

	// to examine the argument aFiles

    NCN_RDEBUG( _L("CNcnModel::Refresh()"));

    NCN_RDEBUG_INT( _L("CNcnModel::Refresh Type: %d"), aType );

	//Load service center from SIM

	ForceToPerformSimServiceCentreFetching();

    // Notify SAT Server that refresh initiated file read is done

    iSatRefresh->RefreshEFRead( EFalse );

	}

//  End of File