--- /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