/*

* 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:  CLandmarkIterable class implementation

*

*/

#include <e32math.h>

#include <epos_cposlandmark.h>

#include <epos_cposlandmarkdatabase.h>

#include <epos_cposlmitemiterator.h>

#include <lbsposition.h>

#include "clandmarkiterable.h"

#include "landmarkliwparams.hrh"

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

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

// CLandmarkIterable::NewL( CPosLmItemIterator* aIterator,

//    TDesC& aDatabaseUri )

// Two-phased constructor.

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

//

CLandmarkIterable* CLandmarkIterable::NewL( CPosLmItemIterator* aIterator,

    const TDesC& aDatabaseUri )

    {

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

    CleanupStack::PushL(self);

    self->ConstructL(aDatabaseUri);

    CleanupStack::Pop(self);

    return self;

    }

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

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

// Symbian 2nd phase constructor can leave.

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

//

void CLandmarkIterable::ConstructL( const TDesC& aDatabaseUri )

    {

    iDatabase = CPosLandmarkDatabase::OpenL(aDatabaseUri);

    if ( iDatabase->IsInitializingNeeded() )

        {

        ExecuteAndDeleteLD(iDatabase->InitializeL());

        }

    }

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

// CLandmarkIterable::CLandmarkIterable( CPosLmItemIterator* aIterator )

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

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

//

CLandmarkIterable::CLandmarkIterable( CPosLmItemIterator* aIterator )

                 : iIterator(aIterator)

    {

    }

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

// CLandmarkIterable::~CLandmarkIterable()

// Destructor.

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

//

 CLandmarkIterable::~CLandmarkIterable()

    {

    delete iIterator;

    delete iLandmark;

    delete iDatabase;

    delete iLandmarkId;

    iCategoryIds.ResetAndDestroy();

    iCategoryIds.Close();

    ReleaseLandmarkResources();

    }

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

// CLandmarkIterable::Reset()

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

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

//

void CLandmarkIterable::Reset()

    {

    iIterator->Reset();

    }

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

// CLandmarkIterable::NextL( TLiwVariant& aEntry )

// retrievs the next item in the list.

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

//

TBool CLandmarkIterable::NextL( TLiwVariant& aEntry )

    {

    if ( iLandmark )

        {

        delete iLandmark;

        iLandmark = NULL;

        delete iLandmarkId;

        iLandmarkId = NULL;

        iCategoryIds.ResetAndDestroy();

        }

    TPosLmItemId landmarkId = iIterator->NextL();

    if ( KPosLmNullItemId == landmarkId )

        {

        return EFalse;

        }

    TPtrC landmarkName;

    TLocality location;

    TReal32 coverageRadius;

    TPtrC iconFileName;

    TInt iconIndex;

    TInt iconMaskIndex;

    TPtrC description;

    TUint numberOfId;

    CLiwMap* landmarkMap = CLiwDefaultMap::NewL();

    CleanupClosePushL (*landmarkMap );

    RArray<TPosLmItemId> categoryIdArray;

    CleanupClosePushL(categoryIdArray);

    iLandmark = iDatabase->ReadLandmarkLC(landmarkId);

    CleanupStack::Pop(iLandmark);

    iLandmarkId = HBufC::NewL(KMaxIDStringLength);

    iLandmarkId->Des().Num(landmarkId,EDecimal);

    landmarkMap->InsertL(KId,TLiwVariant(iLandmarkId));

    if ( iLandmark->GetLandmarkName(landmarkName) == KErrNone )

        {

        landmarkMap->InsertL(KLandmarkName,TLiwVariant(landmarkName));

        }

    if ( iLandmark->GetPosition(location) == KErrNone )

        {

        CLiwMap* positionMap = CLiwDefaultMap::NewL();

        CleanupClosePushL (*positionMap );

        TRealX num = location.Latitude();

        if( !num.IsNaN() )

        {

        	positionMap->InsertL(KLatitude,TLiwVariant((TReal)num));

        }

        num = location.Longitude();

        if( !num.IsNaN() )

        {

        	positionMap->InsertL(KLongitude,TLiwVariant((TReal)num));

        }

        num = location.Altitude();

        if( !num.IsNaN() )

        {

        	positionMap->InsertL(KAltitude,TLiwVariant((TReal)num));

        }

        num = location.HorizontalAccuracy();

        if( !num.IsNaN() )

        {

        	positionMap->InsertL(KHAccuracy,TLiwVariant((TReal)num));

        }

        num = location.VerticalAccuracy();

        if( !num.IsNaN() )

        {

        	positionMap->InsertL(KVAccuracy,TLiwVariant((TReal)num));

        }

        landmarkMap->InsertL(KLandmarkPosition,TLiwVariant(positionMap));

        CleanupStack::PopAndDestroy (positionMap );

        }

    if ( iLandmark->GetCoverageRadius(coverageRadius) == KErrNone )

        {

        landmarkMap->InsertL(KCoverageRadius,TLiwVariant(coverageRadius));

        }

    iLandmark->GetCategoriesL(categoryIdArray);

    TInt catCount = categoryIdArray.Count();

    if ( catCount )

        {

        CLiwList* categoryList = CLiwDefaultList::NewL();

        CleanupClosePushL ( *categoryList );

        for ( TInt index = 0; index < catCount; ++index )

            {

            HBufC* catId = HBufC::NewLC(KMaxIDStringLength);

            iCategoryIds.AppendL(catId);

            CleanupStack::Pop(catId);

            catId->Des().Num(categoryIdArray[index],EDecimal);

            categoryList->AppendL(TLiwVariant(catId));

            }

        landmarkMap->InsertL(KCategoryInfo,TLiwVariant(categoryList));

        CleanupStack::PopAndDestroy (categoryList );

        }

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

        {

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

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

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

        }

    if ( iLandmark->GetLandmarkDescription(description) == KErrNone )

        {

        landmarkMap->InsertL(KLandmarkDesc,TLiwVariant(description));

        }

    numberOfId = iLandmark->NumOfAvailablePositionFields();

    if ( numberOfId )

        {

        CLiwMap* fieldMap = CLiwDefaultMap::NewL();

        CleanupClosePushL (*fieldMap );

        TPositionFieldId fieldId = iLandmark->FirstPositionFieldId();

        TPtrC fieldValue;

        TLiwVariant variant;

        while( numberOfId-- )

            {

            iLandmark->GetPositionField(fieldId,fieldValue);

            variant.Set(fieldValue);

            if ( EPositionFieldCountry == fieldId)

                {

                fieldMap->InsertL(KLandmarkCountry,variant);

                }

            if ( EPositionFieldPostalCode == fieldId)

                {

                fieldMap->InsertL(KLandmarkAreaCode,variant);

                }

            if ( EPositionFieldCity == fieldId)

                {

                fieldMap->InsertL(KLandmarkCity,variant);

                }

            if ( EPositionFieldDistrict == fieldId)

                {

                fieldMap->InsertL(KLandmarkDistrict,variant);

                }

            if ( EPositionFieldBuildingName == fieldId)

                {

                fieldMap->InsertL(KLandmarkBuildingName,variant);

                }

            if ( EPositionFieldStreet == fieldId)

                {

                fieldMap->InsertL(KLandmarkStreet,variant);

                }

            if ( EPositionFieldBuildingTelephone == fieldId)

                {

                fieldMap->InsertL(KLandmarkTelephone,variant);

                }

            fieldId = iLandmark->NextPositionFieldId(fieldId);

            }

        landmarkMap->InsertL(KLandmarkFields,TLiwVariant(fieldMap));

        CleanupStack::PopAndDestroy (fieldMap );

        variant.Reset();

        }

    CleanupStack::PopAndDestroy(&categoryIdArray);

    aEntry.SetL(landmarkMap);

    CleanupStack::PopAndDestroy (landmarkMap );

    return ETrue;

    }

//end of file