diff -r 8173571d354e -r 1fc85118c3ae locationdataharvester/mylocationsengine/src/maptileinterface.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationdataharvester/mylocationsengine/src/maptileinterface.cpp	Tue Aug 31 15:09:25 2010 +0300
@@ -0,0 +1,307 @@
+/*
+* 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;
+    TMapTileParam mapTileparam(aLatitude, aLongitude, zoom, MapTileWidth,MapTileHeight );
+    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 ) * 1000;
+    TInt iMapTileImageCol = ( convertedx / 256.0 ) * 1000;
+    
+    TBuf<KImagePathSize> mImagePath;
+
+    mImagePath.AppendNum(iMapTileImageRow);
+    mImagePath.AppendNum(iMapTileImageCol);
+    mImagePath.Append(KFileExtn);   
+    
+    if( iFilePath )
+    {
+        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