locationsystemui/locationsysui/posindicator/posreversegeocodeplugin/src/posrevgeocodeplugin.cpp
branchRCL_3
changeset 44 2b4ea9893b66
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationsystemui/locationsysui/posindicator/posreversegeocodeplugin/src/posrevgeocodeplugin.cpp	Tue Aug 31 15:37:04 2010 +0300
@@ -0,0 +1,389 @@
+/*
+* 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: Implementation of CPosRevGeoCodePlugin class.
+*
+*/
+
+#include "posrevgeocodeplugin.h"
+#include "posrevgeocodelogger.h"
+
+#include <lbsposition.h>
+
+//Maximum length for the response buffer size
+const int KMaxResponseLength = 2048;
+//Authentication token for the Maps server
+//This authentication in specific to our photo-tagging feature
+_LIT8( KAuthenticationToken, "88dedc61fb43c924aa39a873dadd41f4" );
+//Static RefererURL which shows that request has been made from this app
+_LIT8( KRefererURL, "nokia_positioningIndicator" );
+
+//Language option for the REST request
+_LIT8( KDefaultLanguage, "eng" );
+
+
+//Format of the HTTP request for the reverse geocode
+_LIT8( KRequestFormat, "http://loc.mobile.maps.svc.ovi.com/geocoder/rgc/1.0?token=%S&referer=%S&n=10&lat=%f&long=%f&lg=%S&output=xml" );
+
+
+// http://www.loc.gov/marc/languages/
+// These are the nokia language id converted to MARC language strings.
+ static const char Marc_Table[ 104 ][ 4 ] = {
+        "   ", // dummy
+        "ENG", // 1 English
+        "FRE", // 2 French
+        "GER", // 3 German
+        "SPA", // 4 Spanish
+        "ITA", // 5 Italian
+        "SWE", // 6 Swedish
+        "DAN", // 7 Danish
+        "NOR", // 8 Norwegian
+        "FIN", // 9 Finnish
+        "010", // 10 American
+        "011", // 11 Swiss French
+        "GSW", // 12 Swiss German
+        "POR", // 13 Portuguese
+        "TUR", // 14 Turkish
+        "ICE", // 15 Icelandic
+        "RUS", // 16 Russian
+        "HUN", // 17 Hungarian
+        "DUT", // 18 Dutch
+        "019", // 19 Flemish
+        "020", // 20 Australian English
+        "021", // 21 Belgian French
+        "022", // 22 Austrian German
+        "023", // 23 New Zealand English
+        "FRE", // 24 International French
+        "CZE", // 25 Czech
+        "SLO", // 26 Slovak
+        "POL", // 27 Polish
+        "SLV", // 28 Slovenian
+        "029", // 29 TaiwanChinese
+        "CHT", // 30 HongKongChinese
+        "CHI", // 31 PeoplesRepublicOfChina Chinese
+        "JPN", // 32 Japanese
+        "THA", // 33 Thai
+        "AFR", // 34 Afrikaans
+        "ALB", // 35 Albanian
+        "AMH", // 36 Amharic
+        "ARA", // 37 Arabic
+        "ARM", // 38 Armenian
+        "TGL", // 39 Tagalog
+        "BEL", // 40 Belarusian
+        "BEN", // 41 Bengali
+        "BUL", // 42 Bulgarian
+        "BUR", // 43 Burmese
+        "CAT", // 44 Catalan
+        "SCR", // 45 Croatian
+        "046", // 46 Canadian English
+        "ENG", // 47 International English
+        "048", // 48 SouthAfrican English
+        "EST", // 49 Estonian
+        "PER", // 50 Persian (Farsi)
+        "051", // 51 Canadian French
+        "GAE", // 52 Scots Gaelic
+        "GEO", // 53 Georgian
+        "GRE", // 54 Greek
+        "055", // 55 Cyprus Greek
+        "GUJ", // 56 Gujarati
+        "HEB", // 57 Hebrew
+        "HIN", // 58 Hindi
+        "IND", // 59 Bahasa indonesia
+        "GLE", // 60 Irish
+        "061", // 61 Swiss Italian
+        "KAN", // 62 Kannada
+        "KAZ", // 63 Kazakh
+        "KHM", // 64 Khmer
+        "KOR", // 65 Korean
+        "LAO", // 66 Lao
+        "LAV", // 67 Latvian
+        "LIT", // 68 Lithuanian
+        "MAC", // 69 Macedonian
+        "070", // 70 Bahasa Malaysia
+        "MAL", // 71 Malayalam
+        "MAR", // 72 Marathi
+        "MOL", // 73 Moldavian
+        "MON", // 74 Mongolian
+        "NNO", // 75 Norwegian Nynorsk
+        "076", // 76 Brazilian Portuguese
+        "PAN", // 77 Punjabi
+        "RUM", // 78 Romanian
+        "SCC", // 79 Serbian
+        "SNH", // 80 Sinhalese
+        "SOM", // 81 Somali
+        "082", // 82 International Spanish
+        "083", // 83 LatinAmerican Spanish
+        "SWA", // 84 Swahili
+        "085", // 85 Finland Swedish
+        "TAJ", // 86 Tajik
+        "TAM", // 87 Tamil
+        "TEL", // 88 Telugu
+        "TIB", // 89 Tibetan
+        "TIR", // 90 Tigrinya
+        "091", // 91 Cyprus Turkish
+        "TUK", // 92 Turkmen
+        "UKR", // 93 Ukrainian
+        "URD", // 94 Urdu
+        "UZB", // 95 Uzbek
+        "VIE", // 96 Vietnamese
+        "WEL", // 97 Welsh
+        "ZUL", // 98 Zulu
+        "UND", // 99 Other
+        "UND", // 100 Undef
+        "UND", // 101 Undef
+        "BAQ", // 102 Basque
+        "103", // 103 Galician
+    };
+
+// Timer interval
+const TInt KTimeOutInterval = 60000000;  // 60 seconds
+
+
+// ECOM implementation specifics
+static const TImplementationProxy implTable[] =
+    {
+    IMPLEMENTATION_PROXY_ENTRY( 0x2002E693, CPosRevGeoCodePlugin::NewL )
+    }; 
+
+
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+    {
+    aTableCount = sizeof(implTable) / sizeof(TImplementationProxy);
+
+    return implTable;
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::NewL
+//------------------------------------------------------------------------------
+CPosRevGeoCodePlugin* CPosRevGeoCodePlugin::NewL( MPosReverseGeocodeObserver& aObserver )
+    {
+    FUNC("CPosRevGeoCodePlugin::NewL");
+    CPosRevGeoCodePlugin *self = new (ELeave) CPosRevGeoCodePlugin( aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::CPosRevGeoCodePlugin
+//------------------------------------------------------------------------------
+CPosRevGeoCodePlugin::CPosRevGeoCodePlugin( MPosReverseGeocodeObserver& aObserver ):
+	 																					iObserver( aObserver ),
+	 																					iHTTPClientEngine ( NULL ),
+                                            iXmlParser ( NULL ),                                           
+                                            iConnectionTimer( NULL ),
+                                            iXMLBuf ( NULL )        
+    {
+    FUNC("CPosRevGeoCodePlugin::CPosRevGeoCodePlugin");
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::~CPosRevGeoCodePlugin
+//------------------------------------------------------------------------------
+CPosRevGeoCodePlugin::~CPosRevGeoCodePlugin()
+    {
+    FUNC("CPosRevGeoCodePlugin::~CPosRevGeoCodePlugin");
+     
+    delete iConnectionTimer;
+    iConnectionTimer = NULL;
+    
+    delete iXMLBuf;
+    iXMLBuf = NULL;
+    
+    delete iXmlParser;
+    iXmlParser = NULL;
+    
+    delete iHTTPClientEngine;
+    iHTTPClientEngine = NULL;
+    FUNC("out>>CPosRevGeoCodePlugin");
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::GetAddressByCoordinateL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::GetAddressByCoordinateL( CPosLandmark& aLandmark )
+    {
+    FUNC("CPosRevGeoCodePlugin::GetAddressByCoordinateL");
+    // Store the landmark object.
+    iClientLandmark = &aLandmark;
+    
+    TLocality locality;
+    User::LeaveIfError( aLandmark.GetPosition( locality ) );
+    TReal64 latitude = locality.Latitude();
+    TReal64 longitude = locality.Longitude();
+    
+    iAuthCode.Copy( KAuthenticationToken );
+    iRefURL.Copy( KRefererURL );
+    
+    GetLanguageForTheRequest( iLang );
+    
+    //Form the request URI
+    iQueryString.Format( KRequestFormat, &iAuthCode, &iRefURL, latitude, longitude, &iLang );
+    
+    iHTTPClientEngine->IssueHTTPGetL( iQueryString );
+    
+    if ( iConnectionTimer && iConnectionTimer->IsActive() )
+        {
+        iConnectionTimer->Cancel();
+        }
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::Cancel()
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::Cancel()
+    {
+    if( iHTTPClientEngine->IsActive() )
+        {
+        iHTTPClientEngine->CancelTransaction();
+        }
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::ConstructL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::ConstructL()
+    {
+    FUNC("CPosRevGeoCodePlugin::ConstructL");
+    iXMLBuf = HBufC8::NewL( KMaxResponseLength );
+
+    iXmlParser = CPosRevGeoCodeXmlParser::NewL( *this );
+    
+    iHTTPClientEngine = CPosRevGeoCodeHTTPClientEngine::NewL( *this );
+    
+    iConnectionTimer = CPosRevGeoCodeConnectionTimer::NewL(*this);
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::OnParseCompletedL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::OnParseCompletedL( TInt aError )
+    {
+    FUNC("CPosRevGeoCodePlugin::OnParseCompletedL");
+    StartTimer();
+    iObserver.ReverseGeocodeComplete( aError );
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::ClientEvent
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::ClientEvent( const THttpStatus& aEvent )
+    {
+    FUNC("CPosRevGeoCodePlugin::ClientEvent");
+    TInt error;
+    switch( aEvent )
+        {
+        case EHttpTxCompleted:
+            //Reading is done
+            //Parse the String and get the restults
+            if( iXmlParser )
+            {
+             TRAP_IGNORE( iXmlParser->StartParsingL( iXMLBuf,iClientLandmark ) );
+            }
+            break;
+        //All these cases will in turn lead to
+        //generic failure due to connection/Tx related problems    
+        case EHttpConnectionFailure:
+            // May happen if Socket connection fails
+            error = KErrCouldNotConnect;
+            iObserver.ReverseGeocodeComplete( error );
+            break;
+        case EHttpTxFailed:
+        case EHttpMhfRunError:
+            // May happen if Socket connection fails
+            // Complete the RGC with generic error.
+            error = KErrGeneral;
+            iObserver.ReverseGeocodeComplete( error );
+            break;
+        case EHttpTxCancelled:
+            //On Cancellation of request.
+            error = KErrCancel;
+            iObserver.ReverseGeocodeComplete( error );
+            break;
+        case EHttpAuthFailed:
+            //On authentication failed.
+            error = KErrPermissionDenied;
+            iObserver.ReverseGeocodeComplete( error );
+            break;
+        }
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::ClientBodyReceived
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::ClientBodyReceived( const TDesC8& aBodyData )
+    {
+    FUNC("CPosRevGeoCodePlugin::ClientBodyReceived");
+    //Dump the contents here
+    TPtr8 ptr = iXMLBuf->Des();
+    ptr.Zero();
+    ptr.Append( aBodyData );
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::GetLanguageForTheRequest
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::GetLanguageForTheRequest( TDes8& aLanguage )
+    {
+    FUNC("CPosRevGeoCodePlugin::GetLanguageForTheRequest");
+    // Get the current phone langauge  
+    TInt phoneLangIndex = User::Language();
+
+    // Get the converted language 
+    if (  phoneLangIndex < sizeof( Marc_Table ) / sizeof( Marc_Table[ 0 ]  ) )
+        {
+        aLanguage = (const TUint8*) Marc_Table[ phoneLangIndex ];
+        }
+    else
+        {
+         //By default language will be Eng
+        aLanguage.Copy( KDefaultLanguage );
+        }
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::CloseConnection
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::CloseConnection()
+    {
+    FUNC("CPosRevGeoCodePlugin::CloseConnection");
+    if( iHTTPClientEngine )
+        {
+        iHTTPClientEngine->CloseConnection();
+        }
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::StartTimer
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::StartTimer()
+    {
+    FUNC("CPosRevGeoCodePlugin::StartTimer");
+    if( iConnectionTimer )
+        {
+        iConnectionTimer->StartTimer( KTimeOutInterval );
+        }
+    }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodePlugin::HandleTimedoutEvent
+//------------------------------------------------------------------------------
+void CPosRevGeoCodePlugin::HandleTimedoutEvent(TInt /*aErrorCode*/)
+    {
+    FUNC("CPosRevGeoCodePlugin::HandleTimedoutEvent");
+    CloseConnection();
+    }
+
+//end of file