--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mapnavproviderrefapp/src/mnrpgeocodingservice.cpp	Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,343 @@
+/*
+* Copyright (c) 2006 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:  CMnrpGeocodingService class implementation
+*
+*/
+
+
+#include <e32base.h>
+
+#include <aknnotewrappers.h>
+
+#include <lbsposition.h>
+
+#include <EPos_CPosLandmark.h>
+#include <epos_poslandmarkserialization.h>
+
+#include <mngeocodingservicebase.h>
+
+#include "debug.h"
+
+#include "mnrpappserverback.h"
+#include "mnrpappuiback.h"
+#include "mnrpdocumentback.h"
+#include "mnrpengine.h"
+
+#include <mnrefproviderback.rsg>
+#include "mnrpgeocodingservice.h"
+
+// ======== LOCAL FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+//  Cleanup item for RPointerArray<CPosLandmark>
+// ---------------------------------------------------------------------------
+//
+void CleanupLandmarksArray( TAny* aArray )
+    {
+    ( static_cast<RPointerArray<CPosLandmark>*>( aArray ) )->ResetAndDestroy();
+    }
+
+// ---------------------------------------------------------------------------
+//  Cleanup item for moving application fore/background
+// ---------------------------------------------------------------------------
+//
+void CleanupForeground( TAny* aAppUi )
+    {
+    ( static_cast<CMnrpAppUiBack*>( aAppUi ) )->MoveBackground();
+    }
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+CMnrpGeocodingService::CMnrpGeocodingService( CMnrpEngine& aEngine )
+ :  iEngine( aEngine )
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+CMnrpGeocodingService* CMnrpGeocodingService::NewL( CMnrpEngine& aEngine )
+    {
+    CMnrpGeocodingService* self = new (ELeave) CMnrpGeocodingService( aEngine );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+    
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+CMnrpGeocodingService::~CMnrpGeocodingService()
+    {
+    delete iProcessor;
+    delete iLandmark;
+    delete iPlainAddress;
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+void CMnrpGeocodingService::ConstructL()
+    {
+    BaseConstructL();
+    
+    iProcessor = CIdle::NewL( CActive::EPriorityIdle );
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+void CMnrpGeocodingService::LeaveIfBusyL()
+    {
+    if ( iProcessor->IsActive() )
+        {
+        User::Leave( KErrInUse );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+void CMnrpGeocodingService::StartProcessingL()
+    {
+    iProcessor->Start( TCallBack( CMnrpGeocodingService::GeocodingProcessingCallBack, this ) );
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+TInt CMnrpGeocodingService::GeocodingProcessingCallBack( TAny* aPtr )
+    {
+    CMnrpGeocodingService* self =    
+        static_cast<CMnrpGeocodingService*> ( aPtr );
+        
+    self->HandleGeocodingCompleted();
+    return EFalse;
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+void CMnrpGeocodingService::HandleGeocodingCompleted()
+    {
+    TInt err = KErrNone;
+    TRAP( err, FinishProcessingL() );
+    if ( err )
+        {
+        CompleteRequest( err );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+void CMnrpGeocodingService::FinishProcessingL()
+    {
+    LOG1("MnRefProvider: FinishProcessingL in, cursvc %d", iCurrentService);
+
+    TLocality loc;
+    CPosLandmark* lm = NULL;
+    
+    switch ( iCurrentService )
+        {
+        case ECoordToAddr:
+                
+            if ( iDialogAllowed )
+                {
+                lm = LetUserSelectBestMatchL( *iLandmark );
+                CleanupStack::PushL( lm );
+                }
+            else
+                {
+                // search and return just best match - closest POI
+                if ( iLandmark->GetPosition( loc ) != KErrNone )
+                    {
+                    User::Leave( KErrArgument );
+                    }
+                lm = iEngine.CoordToAddressLC( loc );
+                }
+            break;
+
+        case EAddrToCoord:
+            lm = iEngine.AddressToCoordLC( *iLandmark );
+            break;
+
+        case EPlainToCoord:
+            lm = iEngine.AddressToCoordLC( *iPlainAddress );
+            break;
+            
+        default:            
+            User::Leave( KErrGeneral );
+        }
+
+    iCurrentService = ENone;    
+    
+    CompleteGeocodingRequestL( *lm );
+    CleanupStack::PopAndDestroy( lm );
+
+    LOG("MnRefProvider: FinishProcessingL out");
+    }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+CPosLandmark* CMnrpGeocodingService::LetUserSelectBestMatchL( const CPosLandmark& aReference )
+    {
+    // 1. Find best matches
+    
+    RPointerArray<CPosLandmark> matches;
+    CleanupStack::PushL( TCleanupItem( CleanupLandmarksArray, &matches ) );
+    
+    TLocality location;
+    if ( aReference.GetPosition( location ) != KErrNone )
+        {
+        User::Leave( KErrArgument );
+        }
+    
+    const TInt KMaxmMatches = 3;
+    iEngine.BestCoordToAddressMatchesL( location, matches, KMaxmMatches );
+    
+    if ( matches.Count() < 1 )
+        {
+        User::Leave( KErrNotFound ); // cannot find any match
+        }
+    
+    // 2. Start selection dialog
+    
+    TInt result = 1, selected = 0;
+    if ( matches.Count() > 1 )
+        {
+        // prepare dialog
+        const TInt KGranularity = 8;
+        CDesCArraySeg *textArray = new (ELeave) CDesCArraySeg( KGranularity );
+        CleanupStack::PushL( textArray );
+        
+        for ( TInt i = 0; i < matches.Count(); i++ )
+            {
+            HBufC* buf = HBufC::NewLC( KPosLmMaxTextFieldLength );
+            TPtrC ptr( buf->Des() );
+            
+            matches[i]->GetPositionField( EPositionFieldLocationName, ptr );
+            textArray->AppendL( ptr );
+
+            CleanupStack::PopAndDestroy( buf );
+            }
+        
+        // bring application foreground
+        CMnrpAppUiBack* ui = (CMnrpAppUiBack*) CEikonEnv::Static()->AppUi();
+        CleanupStack::PushL( TCleanupItem( CleanupForeground, ui ) );
+        ui->MoveForeground();
+
+        CAknListQueryDialog* dialog = new (ELeave) CAknListQueryDialog( &selected );
+        dialog->PrepareLC( R_MNREFGEOCODER_LIST_QUERY );
+
+        dialog->SetItemTextArray( textArray );
+        dialog->SetOwnershipType( ELbmOwnsItemArray );
+
+        // pop up dialog
+        result = dialog->RunLD();
+
+        CleanupStack::PopAndDestroy(); // move background
+        CleanupStack::Pop( textArray );
+        }
+
+    // 3. Return result
+    CPosLandmark* lm = NULL;
+    if ( result )
+        {
+        lm = matches[selected];
+        matches.Remove( selected );
+        }
+    else
+        {
+        User::Leave( KErrCancel ); 
+        // user cancelled geocoding selection dialog
+        // it automatically cancels geocoding request
+        }
+
+    CleanupStack::PopAndDestroy(); // matches
+    return lm;
+    }
+
+// ---------------------------------------------------------------------------
+// From class CMnGeocodingServiceBase
+// ---------------------------------------------------------------------------
+//
+void CMnrpGeocodingService::HandleFindAddressByCoordinateL(
+    const CPosLandmark& aLandmark)
+    {
+    LeaveIfBusyL();
+
+    delete iLandmark;
+    iLandmark = NULL;
+    iLandmark = CPosLandmark::NewL(aLandmark);
+    
+    iCurrentService = ECoordToAddr;
+    iDialogAllowed = !( Options() & CMnGeocoder::EOptionDialogDisabled );
+    StartProcessingL();
+    }
+        
+// ---------------------------------------------------------------------------
+// From class CMnGeocodingServiceBase
+// ---------------------------------------------------------------------------
+//
+void CMnrpGeocodingService::HandleFindCoordinateByAddressL(
+    const CPosLandmark& aLandmark)
+    {
+    LeaveIfBusyL();
+
+    delete iLandmark;
+    iLandmark = NULL;
+    iLandmark = CPosLandmark::NewL( aLandmark );
+    
+    iCurrentService = EAddrToCoord;
+    iDialogAllowed = !( Options() & CMnGeocoder::EOptionDialogDisabled );
+    StartProcessingL();
+    }
+
+// ---------------------------------------------------------------------------
+// From class CMnGeocodingServiceBase
+// ---------------------------------------------------------------------------
+//
+void CMnrpGeocodingService::HandleFindCoordinateByAddressL(
+    const TDesC& aAddress)
+    {
+    LeaveIfBusyL();
+
+    delete iPlainAddress;
+    iPlainAddress = NULL;
+    iPlainAddress = aAddress.AllocL();
+    
+    delete iLandmark;
+    iLandmark = NULL;
+    iLandmark = CPosLandmark::NewL();
+    
+    iCurrentService = EPlainToCoord;
+    iDialogAllowed = !( Options() & CMnGeocoder::EOptionDialogDisabled );
+    StartProcessingL();
+    }
+
+// ---------------------------------------------------------------------------
+// From class CMnServiceBase
+// ---------------------------------------------------------------------------
+//
+void CMnrpGeocodingService::DoCancel()
+    {
+    iProcessor->Cancel();
+    iCurrentService = ENone;
+    }