/*

* 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:   Class for handling SUPL provisioning message

*

*/

#include <WPAdapterUtil.h> 

#include <CWPAdapter.h>

#include <CWPCharacteristic.h>

#include <CWPParameter.h>

#include <centralrepository.h>

#include <commdb.h>

#include "epos_omasuplconfigurationkeys.h"

#include "epos_comasupltrace.h"

#include "epos_comasuplprovhandler.h"

#include "epos_comasuplparameters.h"

#include "epos_comasuplsettings.h"

#include "epos_comasuplsettingsrepository.h"

#include "epos_omasuplprovhandler.pan"

#include "epos_omasuplprovhandler.hrh" 

#include <epos_omasuplprovhandlerres.rsg>

_LIT( KTraceProvHandler, "epos_comasuplprovhandler.cpp" );

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

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

// COMASuplProvHandler::NewL

// Two-phased constructor.

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

//

COMASuplProvHandler* COMASuplProvHandler::NewL()

    {

    COMASuplProvHandler* self = new ( ELeave ) COMASuplProvHandler; 

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor

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

//

COMASuplProvHandler::~COMASuplProvHandler()

    {

    delete iCommsDb;

    delete iRepository;    

    delete iCurrentItem;

    if ( iTitle )

        {

        delete iTitle;

        }

    delete iTrace;

    if ( iSuplSettings )

        {

        iSuplSettings->ResetAndDestroy();

        delete iSuplSettings;

        }

    }

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

// COMASuplProvHandler::ItemCount

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

//

TInt COMASuplProvHandler::ItemCount() const

    {

    if ( iSuplSettings )

        {

        return iSuplSettings->Count();

        }

    return 0;

    }    

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

// COMASuplProvHandler::SummaryTitle

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

//

const TDesC16& COMASuplProvHandler::SummaryTitle( TInt /*aIndex*/ ) const

    {

    if ( ItemCount() == 0 )

        {

        return KNullDesC;

        }    

    return *iTitle;

    }

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

// COMASuplProvHandler::SummaryText

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

//

const TDesC16& COMASuplProvHandler::SummaryText( TInt aIndex ) const

    {

    if ( ItemCount() == 0 )

        {

        return KNullDesC;

        }

    return iSuplSettings->At( aIndex )->SummaryText();

    }

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

// COMASuplProvHandler::SaveL

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

//

void COMASuplProvHandler::SaveL( TInt aItem )

    {

    iTrace->Trace( _L("COMASuplProvHandler::SaveL() Start"), 

                                     KTraceProvHandler, __LINE__ );

    __ASSERT_DEBUG( aItem < ItemCount() && 

    aItem >= KFirstArrayIndex, Panic( SuplAdapterArgument ) );

    // Create the commsdb when the save is initiated first time.

    // This stays alive until the adapter is destroyed.

    if ( !iCommsDb )

        {

        iCommsDb = CCommsDatabase::NewL( EDatabaseTypeIAP );

        }    

    User::LeaveIfNull( iCommsDb );

    iSuplSettings->At( aItem )->SetCommsDataBase( *iCommsDb );

    iSuplSettings->At( aItem )->SaveL( iRepository );

    iTrace->Trace( _L("COMASuplProvHandler::SaveL() End"), 

                                    KTraceProvHandler, __LINE__ );

    }

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

// COMASuplProvHandler::CanSetAsDefault

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

//

TBool COMASuplProvHandler::CanSetAsDefault( TInt /*aItem*/ ) const

    {

    return EFalse;

    }

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

// COMASuplProvHandler::SetAsDefaultL

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

//

void COMASuplProvHandler::SetAsDefaultL( TInt /*aItem*/ )

    {

    }

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

// COMASuplProvHandler::DetailsL

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

//

TInt COMASuplProvHandler::DetailsL( TInt /*aItem*/, MWPPairVisitor& /*aVisitor*/ )

    {

    return KErrNotSupported;

    }

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

// COMASuplProvHandler::VisitL

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

//

void COMASuplProvHandler::VisitL( CWPCharacteristic& aCharacteristic )

    {

    __ASSERT_VARIANT_ENABLED ( iVariantEnabled )

    iTrace->Trace( _L("COMASuplProvHandler::VisitL() Start"), 

                                        KTraceProvHandler, __LINE__ );

    TInt type = aCharacteristic.Type();

    // Check only for APPLICATION specific information

    if ( type == KWPApplication ) 

        {

        iCurrentItem = COMASuplParameters::NewL( iTrace );

        aCharacteristic.AcceptL( *iCurrentItem );

        if( AcceptedSettingGroup() )

            {

            AddSuplSettingsL( iCurrentItem );

            }

        else

            {

            delete iCurrentItem;

            }

        iCurrentItem = NULL;

        }

    }

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

// COMASuplProvHandler::VisitL

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

//

void COMASuplProvHandler::VisitL( CWPParameter& /*aParameter*/)

    {

    // parameters are handled by COMASuplParameters.

    }

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

// COMASuplProvHandler::VisitLinkL

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

//

void COMASuplProvHandler::VisitLinkL( CWPCharacteristic& /*aParameter*/)

    {

    // visit link is handled by COMASuplParameters.

    }

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

// COMASuplProvHandler::COMASuplProvHandler

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

// might leave.

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

//

COMASuplProvHandler::COMASuplProvHandler() : CWPAdapter()

    {

    }

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

// COMASuplProvHandler::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void COMASuplProvHandler::ConstructL()

    {

    SetVariation();

    __ASSERT_VARIANT_ENABLED ( iVariantEnabled )

    iSuplSettings = 

    new ( ELeave ) CArrayPtrFlat<COMASuplSettings>( KArrayGranularity );

    iTrace = COMASuplTrace::NewL();

    TFileName fileName;

    Dll::FileName( fileName );

    iTitle = WPAdapterUtil::ReadHBufCL( fileName, KSuplAdapter, 

                                R_QTN_SM_TITLE_SUPL_SETTINGS );

    iRepository = COMASuplSettingsRepository::NewL();

    }

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

// COMASuplProvHandler::AcceptedSettingGroup

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

//

TBool COMASuplProvHandler::AcceptedSettingGroup()

    {

    return ( iCurrentItem->IsValid() );

    }

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

// COMASuplProvHandler::AddSuplSettingsL

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

//

void COMASuplProvHandler::AddSuplSettingsL( COMASuplParameters* aItem )

    {

    COMASuplSettings* suplSetting = COMASuplSettings::NewL( aItem, iTrace );

    const TDesC& slpName = aItem->ParameterValue( EWPParameterName );

    suplSetting->SetDefaultNameL( slpName );

    iSuplSettings->AppendL( suplSetting );

    }

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

// COMASuplProvHandler::SetVariation

// Initializes the local variation flag

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

//

void COMASuplProvHandler::SetVariation()

    {

    iVariantEnabled = ETrue;

    CRepository *repository = NULL;

    TRAPD( err, repository = CRepository::NewL( KSUPLVarRepositoryUid ) );

    if ( KErrNone != err )

        {

        return;        

        }

    TInt val;

    TInt rc = repository->Get( KOMASuplClientProvHandlerVariant, val );

    if ( KErrNone == rc && val == 0 )

        {

        iVariantEnabled = EFalse;

        }

    delete repository;

    }