/*

* 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 the License "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:  CLandmarkCategoryIterable class implementation

*

*/

#include <epos_cposlandmarkcategory.h>

#include <epos_cposlandmarkdatabase.h>

#include <epos_cposlmcategorymanager.h>

#include <epos_cposlmitemiterator.h>

#include "clandmarkcategoryiterable.h"

#include "landmarkliwparams.hrh"

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

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

// CLandmarkCategoryIterable::NewL()

// Two-phased constructor.

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

//

CLandmarkCategoryIterable* CLandmarkCategoryIterable::NewL( CPosLmItemIterator* aIterator,

     const TDesC& aDatabaseUri )

    {

    CLandmarkCategoryIterable* self = new (ELeave) CLandmarkCategoryIterable(aIterator);

    CleanupStack::PushL(self);

    self->ConstructL(aDatabaseUri);

    CleanupStack::Pop(self);

    return self;

    }

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

// CLandmarkCategoryIterable::ConstructL( const TDesC & aDatabaseUri )

// Symbian 2nd phase constructor can leave.

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

//

void CLandmarkCategoryIterable::ConstructL( const TDesC& aDatabaseUri )

    {

    iDatabase = CPosLandmarkDatabase::OpenL(aDatabaseUri);

    if ( iDatabase->IsInitializingNeeded() )

        {

        ExecuteAndDeleteLD(iDatabase->InitializeL());

        }

    iCategoryManager = CPosLmCategoryManager::NewL(*iDatabase);

    }

// CLandmarkCategoryIterable::CLandmarkCategoryIterable( CPosLmItemIterator* aIterator )

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

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

//

CLandmarkCategoryIterable::CLandmarkCategoryIterable( CPosLmItemIterator* aIterator )

                         : iIterator(aIterator)

    {

    }

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

// CLandmarkCategoryIterable::~CLandmarkCategoryIterable()

// Destructor.

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

//

CLandmarkCategoryIterable::~CLandmarkCategoryIterable()

    {

    delete iIterator;

    delete iLandmarkCategory;

    delete iCategoryManager;

    delete iDatabase;

    delete iCategoryId;

    delete iGlobalCategoryId;

    ReleaseLandmarkResources();

    }

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

// CLandmarkCategoryIterable::Reset()

// Resets the iterator. NextL has to be called to retrieve the first item.

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

//

void CLandmarkCategoryIterable::Reset()

    {

    iIterator->Reset();

    }

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

// CLandmarkCategoryIterable::NextL( TLiwVariant& aEntry )

// retrievs the next item in the list.

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

//

TBool CLandmarkCategoryIterable::NextL( TLiwVariant& aEntry )

    {

    if ( iLandmarkCategory )

        {

        delete iLandmarkCategory;

        iLandmarkCategory = NULL;

        delete iCategoryId;

        iCategoryId = NULL;

        delete iGlobalCategoryId;

        iGlobalCategoryId = NULL;

        }

    TPosLmItemId categoryId = iIterator->NextL();

    if ( KPosLmNullItemId == categoryId )

        {

        return EFalse;

        }

    TPtrC categoryName;

    TPtrC iconFileName;

    TInt iconIndex;

    TInt iconMaskIndex;

    CLiwMap* categoryMap = CLiwDefaultMap::NewL();

    CleanupClosePushL(*categoryMap);

    iLandmarkCategory = iCategoryManager->ReadCategoryLC(categoryId);

    CleanupStack::Pop(iLandmarkCategory);

    iCategoryId = HBufC::NewL(KMaxIDStringLength);

    iCategoryId->Des().Num(categoryId,EDecimal);

    categoryMap->InsertL(KId,TLiwVariant(iCategoryId));

    if ( iLandmarkCategory->GetCategoryName(categoryName) == KErrNone )

        {

        categoryMap->InsertL(KCategoryName,TLiwVariant(categoryName));

        }

    TPosLmGlobalCategory globalCategory = iLandmarkCategory->GlobalCategory();

    if ( KPosLmNullGlobalCategory != globalCategory )

        {

        iGlobalCategoryId = HBufC::NewL(KMaxIDStringLength);

        iGlobalCategoryId->Des().Num(globalCategory,EDecimal);

        categoryMap->InsertL(KGlobalCategory,TLiwVariant(iGlobalCategoryId));

        }

    if ( iLandmarkCategory->GetIcon(iconFileName,iconIndex,iconMaskIndex) == KErrNone )

        {

        categoryMap->InsertL(KIconFile,TLiwVariant(iconFileName));

        categoryMap->InsertL(KIconIndex,TLiwVariant((TInt32)iconIndex));

        categoryMap->InsertL(KIconMaskIndex,TLiwVariant((TInt32)iconMaskIndex));

        }

    aEntry.SetL(categoryMap);

    CleanupStack::PopAndDestroy(categoryMap);

    return ETrue;

    }

//end of file