/*

* Copyright (c) 2010 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: Maptile interface source implementation for maptile

*              service.

*

*/

#include <EPos_CPosLandmark.h>

#include <EPos_CPosLandmarkDatabase.h>

#include <EPos_CPosLmItemIterator.h>

#include <EPos_CPosLmOperation.h>

#include <f32file.h>

#include <bautils.h>

#include "maptileinterface.h"

#include "mylocationlogger.h"

#include "mylocationsdefines.h"

#include "lookupmaptiledb.h"

#include <math.h>

//Invalid latitude & longitude value

const TReal KInvalidLatitudeLongitude =  200.0f;

const TInt KStreetLvelZoom = 16;

const TInt KCityLevelZoom = 11;

const TInt KImagePathSize=36;

const TInt KMapTileWidthHeight = 256 ;

_LIT(KFileExtn, ".png");

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

// CMapTileInterface::NewL()

// Creates and returns the instance of CMapTileInterface

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

//

CMapTileInterface* CMapTileInterface::NewL()

{

    CMapTileInterface* self = new (ELeave) CMapTileInterface();

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

}

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

// CMapTileInterface::~CMapTileInterface()

// Destructor

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

//

CMapTileInterface::~CMapTileInterface()

{

    __TRACE_CALLSTACK;

    delete iFilePath;

    delete iMaptileGeocoder;

    delete iLandmark;

}    

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

// CMapTileInterface::CMapTileInterface()

// Constructor

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

//

CMapTileInterface::CMapTileInterface() :

           iMaptileGeocoder( NULL ), 

           iFilePath( NULL ),

           iObserver(NULL),

           iLandmark(NULL)

{

}

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

// CMapTileInterface::ConstructL()

// Two phase constructor

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

//

void CMapTileInterface::ConstructL()

{

    __TRACE_CALLSTACK;

    iMaptileGeocoder = CMaptileGeocoderPlugin::NewL();

    iMaptileGeocoder->SetMaptileGeocoderObserver( *this );

}

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

// CMapTileInterface::GetGeoCodeFromAddressL()

// Interface for requesting GEO fields for the given address

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

//

void CMapTileInterface::GetGeoCodeFromAddressL(const TDesC& aAddressDetails,

        const TDesC& aFilePath, MMapTileObserver* aObserver)

{

    __TRACE_CALLSTACK;

    iObserver = aObserver;

    delete iFilePath;

    iFilePath = NULL;    

    iFilePath = HBufC::NewL(aFilePath.Length());

    iFilePath->Des().Copy(aFilePath);

    iStreetAvailable = EFalse;

    iMaptileGeocoder->GetCoordinateByAddressL(aAddressDetails, ESilent);

}

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

// CMapTileInterface::GetGeoCodeFromAddressL()

// Interface for requesting GEO fields for the given landmark adress

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

//

void CMapTileInterface::GetGeoCodeFromAddressL(CPosLandmark* aLandmark,

        const TDesC& aFilePath, MMapTileObserver* aObserver)

{

    __TRACE_CALLSTACK;

    iObserver = aObserver;

    delete iFilePath;

    iFilePath = NULL;    

    iFilePath = HBufC::NewL(aFilePath.Length());

    iFilePath->Des().Copy(aFilePath);

    //Reset the street level available flag

	iStreetAvailable = EFalse;

    TPtrC getStreet;

    aLandmark->GetPositionField(EPositionFieldStreet, getStreet);

    if (getStreet.Length() > 0)

   {

        iStreetAvailable = ETrue;

    }

    iMaptileGeocoder->GetCoordinateByAddressL(*aLandmark, ESilent);

}

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

// CMapTileInterface::GetMapTileL()

// Function for Retrieving latitude & longitude information

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

//

void CMapTileInterface::GetMapTileL( const TReal& aLatitude, const TReal& aLongitude)

{

    __TRACE_CALLSTACK;//Notification to observer , to update contact db,

    TInt zoom = KCityLevelZoom;

    if (iStreetAvailable)

    {

        zoom = KStreetLvelZoom;

    }

    iStreetAvailable = EFalse;

    iMaptileGeocoder->GetMapTileByGeoCodeL( mapTileparam, *iFilePath );

}

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

// CMapTileInterface::MapComplete()

// Maptile retrievel notification

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

//

void CMapTileInterface::MapTileFetchingCompleted( TInt aErrCode, const TDesC& aMapTilePath )

{

    __TRACE_CALLSTACK;

    MYLOCLOGSTRING1("MapComplete() status-%d ",aErrCode );

    iObserver->MapTilefetchingCompleted( aErrCode, aMapTilePath );

}

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

// CMapTileInterface::UpdateFilePathL()

// Converts the geocoordinate to maptile pixel coordinate and updates the

// file path to Maptilefolder\RowCol.png

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

//

void CMapTileInterface::UpdateFilePathL( const TReal& aLatitude, const TReal& aLongitude )

{

    TInt iZoomLvl = KCityLevelZoom;

    if ( iStreetAvailable )

        iZoomLvl = KStreetLvelZoom;

    TInt totalTilesHorizontal = 1 << iZoomLvl;

    TInt totalTilesVertical = 1 << iZoomLvl;

    TInt totalMapWidth = totalTilesHorizontal * KMapTileWidthHeight;

    TInt totalMapHeight = totalTilesVertical * KMapTileWidthHeight;

    TReal pi = 3.14159265;

    TInt convertedx = (( aLongitude + 180.0) * totalMapWidth)

            / 360.0;

    TReal convertedtemp = log(tan(( aLatitude + 90) * pi

            / 360.0));

    int convertedy = (1 - convertedtemp / pi) * totalMapHeight / 2.0;

    //Get the image row,col

    TInt iMapTileImageRow = convertedy / 256.0;

    TInt iMapTileImageCol = convertedx / 256.0;

    TBuf<KImagePathSize> mImagePath;

    mImagePath.AppendNum(iMapTileImageRow);

    mImagePath.AppendNum(iMapTileImageCol);

    mImagePath.Append(KFileExtn);   

    iFilePath = iFilePath->ReAllocL(iFilePath->Length() + mImagePath.Length() );

    iFilePath->Des().Append(mImagePath);

}

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

// CMapTileInterface::GeocodeComplete()

// Geocode completion  notification

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

//

void CMapTileInterface::GeocodingCompleted(TInt aErrorcode,

        MAddressInfo& aAddressInfo)

{

    __TRACE_CALLSTACK;

    TReal latitude, longitude;

    latitude=aAddressInfo.GetLatitude();

    longitude=aAddressInfo.GetLongitude();

    MYLOCLOGSTRING1("GeocodeCompleted() status-%d",aErrorcode);

    MYLOCLOGSTRING1("GeocodeCompleted() latitude-%f",latitude );

    MYLOCLOGSTRING1("GeocodeCompleted() longitude-%f",longitude );

    if (aErrorcode == KErrNone)

    {

        if ( latitude != KInvalidLatitudeLongitude

                && longitude != KInvalidLatitudeLongitude)

        {           

            TRAP_IGNORE( SetLandMarkDetailsL(aAddressInfo) );

			      TRAP_IGNORE( UpdateFilePathL( latitude, longitude ) );

            iObserver->GeoCodefetchingCompleted(KErrNone,  latitude, longitude, iFilePath->Des());

        }

        else

        {

            iObserver->GeoCodefetchingCompleted(KErrGeneral,

		      KInvalidLatitudeLongitude, KInvalidLatitudeLongitude, KNullDesC);

        }        

    }

    else

    {

        iObserver->GeoCodefetchingCompleted(aErrorcode,

		       KInvalidLatitudeLongitude, KInvalidLatitudeLongitude, KNullDesC );

    }

}

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

// CMapTileInterface::GetLandMarkDetails()

// return pointer to CPosLandmark 

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

//

CPosLandmark* CMapTileInterface::GetLandMarkDetails()

{

    return iLandmark;  

}

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

// CMapTileInterface::SetLandMarkDetails()

// create CPosLandmark details from MAddressInfo 

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

//

void CMapTileInterface::SetLandMarkDetailsL(MAddressInfo& aAddressInfo)

{

    if(iLandmark)

    {

        delete iLandmark;

        iLandmark=NULL;

    }

    TReal latitude,longitude;

    latitude=aAddressInfo.GetLatitude();

    longitude=aAddressInfo.GetLongitude();    

    TLocality position(TCoordinate(latitude,longitude),0);

    iLandmark=CPosLandmark::NewL();

    //latitude and longitude

    iLandmark->SetPositionL(position);

    //street

    TPtrC tempText=aAddressInfo.GetThoroughfareName();

    if(tempText.Length()>0)

    {

        iStreetAvailable=ETrue;

    }

    iLandmark->SetPositionFieldL(EPositionFieldStreet, tempText);

    //postal code

    tempText.Set(aAddressInfo.GetPincode());

    iLandmark->SetPositionFieldL(EPositionFieldPostalCode, tempText);

    //city

    tempText.Set(aAddressInfo.GetCity());

    iLandmark->SetPositionFieldL(EPositionFieldCity, tempText);

    //state

    tempText.Set(aAddressInfo.GetState());

    iLandmark->SetPositionFieldL(EPositionFieldState, tempText);

    //country

    tempText.Set(aAddressInfo.GetCountryName());

    iLandmark->SetPositionFieldL(EPositionFieldCountry, tempText); 

}

//end of line