/*

* Copyright (c) 2002-2007 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: Landmark iterator.

*

*

*/

#include    <e32base.h>

#include    <epos_cposlmlocaldbaccess.h>

#include    <epos_poslmlandmarkhandler.h>

#include    "epos_cposlmlocaldatabase.h"

#include    "EPos_CPosLmLocalGetSortedIdsOp.h"

#include    "EPos_CPosLmLocalLandmarkIterator.h"

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

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

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

//

CPosLmLocalLandmarkIterator::CPosLmLocalLandmarkIterator() :

    CPosLmLocalIterator(),

    iSortPref(CPosLandmark::ELandmarkName),

    iUseSort(EFalse)

    {

    }

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

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

//

CPosLmLocalLandmarkIterator::CPosLmLocalLandmarkIterator(

    TPosLmSortPref aSortPref) :

    CPosLmLocalIterator(),

    iSortPref(aSortPref),

    iUseSort(ETrue)

    {

    }

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

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

//

void CPosLmLocalLandmarkIterator::ConstructL(

    CPosLmLocalDatabase& aDb, TBool aAlreadyHasLock )

    {

    if (iUseSort && iSortPref.LandmarkAttributeToSortBy() !=

        CPosLandmark::ELandmarkName)

        {

        User::Leave(KErrNotSupported);

        }

    if ( iUseSort )

        {

        CPosLmLocalGetSortedIdsOp* op = CPosLmLocalGetSortedIdsOp::NewL( aDb, iSortPref );

        CleanupStack::PushL( op );

        op->ExecuteL();

        op->GetResultL( iIdArray );

        CleanupStack::PopAndDestroy( op );

        }

    else

        {

        if (!aAlreadyHasLock)

            {

            aDb.AquireLockLC(CPosLmLocalDatabase::EReadLock);

            }

        PosLmLandmarkHandler::GetAllLandmarkIdsL(

            *aDb.DatabaseAccess(), 

            EFalse, EFalse, 

            iIdArray );

        if (!aAlreadyHasLock)

            {

            CleanupStack::PopAndDestroy(); // DbLock

            }

        }

    }

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

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

//

CPosLmLocalLandmarkIterator* CPosLmLocalLandmarkIterator::NewL(

    CPosLmLocalDatabase& aDb, TBool aAlreadyHasLock)

    {

    CPosLmLocalLandmarkIterator* self =

        new(ELeave) CPosLmLocalLandmarkIterator();

    CleanupStack::PushL(self);

    self->ConstructL(aDb, aAlreadyHasLock);

    CleanupStack::Pop(self);

    return self;

    }

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

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

//

CPosLmLocalLandmarkIterator* CPosLmLocalLandmarkIterator::NewL(

    CPosLmLocalDatabase& aDb,

    TPosLmSortPref aSortPref)

    {

    CPosLmLocalLandmarkIterator* self = new(ELeave) CPosLmLocalLandmarkIterator(

        aSortPref);

    CleanupStack::PushL(self);

    self->ConstructL(aDb);

    CleanupStack::Pop(self);

    return self;

    }

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

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

//

CPosLmLocalLandmarkIterator::~CPosLmLocalLandmarkIterator()

    {

    }