/*

* Copyright (c) 2002 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:  Declaration of the CApNetworks class.

*

*/

// INCLUDE FILES

#include <cdbcols.h>

#include <commdb.h>

#include <eikdef.h>

#include <d32dbms.h>

#include <ApNetworkItem.h>

#include <ApNetworkItemList.h>

#include <ApEngineConsts.h>

#include <comms-infras/commdb/protection/protectdb.h>

#include "ApNetworks.h"

#include "ApEngineLogger.h"

#include "ApEngineCommons.h"

// LOCAL CONSTANTS AND MACROS

// LOCAL FUNCTION PROTOTYPES

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

// Two-phased constructor.

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

// CApNetworks::NewLC

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

//

EXPORT_C CApNetworks* CApNetworks::NewLC( CCommsDatabase& aDb )

    {

    CLOG( ( ENetworks, 0, _L( "-> CApNetworks::NewLC" ) ) );

    CApNetworks* db = new( ELeave ) CApNetworks;

    CleanupStack::PushL( db );

    db->ConstructL( aDb );

    CLOG( ( ENetworks, 1, _L( "<- CApNetworks::NewLC" ) ) );

    return db;

    }

// Destructor

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

// CApNetworks::~CApNetworks

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

//

EXPORT_C CApNetworks::~CApNetworks()

    {

    CLOG( ( ENetworks, 0, _L( "-> CApNetworks::~CApNetworks" ) ) );

    if ( iApList )

        {

        iApList->ResetAndDestroy();

        delete iApList;

        }

    CLOG( ( ENetworks, 1, _L( "<- CApNetworks::~CApNetworks" ) ) );

    }

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

// might leave.

//

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

// CApNetworks::CApNetworks

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

//

EXPORT_C CApNetworks::CApNetworks()

:iCount( 0 )

    {

    }

// Symbian OS default constructor can leave.

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

// CApNetworks::ConstructL

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

//

EXPORT_C void CApNetworks::ConstructL( CCommsDatabase& aDb )

    {

    CLOG( ( ENetworks, 0, _L( "-> CApNetworks::ConstructL" ) ) );

    iApList = new( ELeave )CApNetworkItemList();

    iDb = &aDb;

    DoUpdateL();

    CLOG( ( ENetworks, 1, _L( "<- CApNetworks::ConstructL" ) ) );

    }

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

// CApNetworks::Count

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

//

EXPORT_C TUint32 CApNetworks::Count() const

    {

    CLOG( ( ENetworks, 0, _L( "<-> CApNetworks::Count" ) ) );

    return iApList->Count( );

    }

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

// CApNetworks::Name

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

//

EXPORT_C const TDesC& CApNetworks::NameL( TUint32 aUid ) const

    {

    CLOG( ( ENetworks, 0, _L( "-> CApNetworks::NameL" ) ) );

    CApNetworkItem* item = 

        CONST_CAST( CApNetworkItem*, iApList->ItemForUid( aUid ) );

    if ( item == NULL )

        {

        User::Leave( KErrNotFound );

        }

    CLOG( ( ENetworks, 1, _L( "<- CApNetworks::NameL" ) ) );

    return (item->Name() );

    }

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

// CApNetworks::AllListItemDataL

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

//

EXPORT_C TInt CApNetworks::AllListItemDataL( CApNetworkItemList& aList )

    {

    CLOG( ( ENetworks, 0, _L( "-> CApNetworks::AllListItemDataL" ) ) );

    aList.ResetAndDestroy();

    CApNetworkItem* item=NULL;

    TInt i;

    TInt count = iApList->Count();

    for ( i=0; i<count; i++ )

        {

        item = CApNetworkItem::NewLC( ( *iApList )[i] );

        aList.AppendL( item );

        CleanupStack::Pop( item ); // item owned by aList !

        }

    CLOG( ( ENetworks, 1, _L( "<- CApNetworks::AllListItemDataL" ) ) );

    return aList.Count();

    }

// ================= OTHER EXPORTED FUNCTIONS ==============

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

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

// CApNetworks::DoUpdate

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

//

TInt CApNetworks::DoUpdateL()

    {

    CLOG( ( ENetworks, 0, _L( "-> CApNetworks::DoUpdateL" ) ) );

    TInt err( KErrNone );

    TBool OwnTransaction = ApCommons::StartPushedTransactionLC( *iDb );

    CCommsDbTableView* networkt =  iDb->OpenTableLC( TPtrC(NETWORK) );

    err = networkt->GotoFirstRecord();

    if ( ( err == KErrNone ) || ( err == KErrNotFound ) )

        { // even if it is empty, we must clear the list.

        // otherwise, Leave

        // fill up list. First empty it

        iApList->ResetAndDestroy();

        iCount = 0;

        TUint32 temp( 0 );

        TInt length( 0 );

        CApNetworkItem* item = NULL;

        CApNetworkItemList* tmpnetlist = new( ELeave )CApNetworkItemList();

        HBufC* tmp = NULL;

        CleanupStack::PushL( tmpnetlist );

        if ( err == KErrNone )

            { // now get the names and UIDs

            TBool goon( ETrue );

            do

                {

                err = ApCommons::ReadUintL( networkt, TPtrC(COMMDB_ID), temp );

                networkt->ReadColumnLengthL( TPtrC(COMMDB_NAME), length );

                tmp = HBufC::NewLC( length );

                TPtr tmpptr( tmp->Des() );

                networkt->ReadTextL( TPtrC(COMMDB_NAME), tmpptr );

                item = CApNetworkItem::NewLC( );

                item->SetUid( temp );

                item->SetNameL( tmpptr );

                tmpnetlist->AppendL( item );

                CleanupStack::Pop( item ); // item owned by list !

                err = networkt->GotoNextRecord();

                if ( err == KErrNotFound )

                    {

                    goon = EFalse;

                    }

                else

                    {

                    User::LeaveIfError( err );

                    }

                CleanupStack::PopAndDestroy( tmp );

                }

                while ( goon );

            }

        // and now move items to real array

        CleanupStack::Pop( tmpnetlist );

        delete iApList;

        iApList = tmpnetlist;

        }

    else

        {

        User::Leave( err );

        }

    CleanupStack::PopAndDestroy( networkt );

    if ( OwnTransaction )

        {

        ApCommons::CommitTransaction( *iDb );

        CleanupStack::Pop(); // RollbackTransactionOnLeave

        }

    CLOG( ( ENetworks, 1, _L( "<- CApNetworks::DoUpdateL" ) ) );

    return err;

    }

// End of File