datasourcemodules/locationapesuplpsy/src/suplpsypositioner.cpp
changeset 0 9cfd9a3ee49c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datasourcemodules/locationapesuplpsy/src/suplpsypositioner.cpp	Tue Feb 02 01:50:39 2010 +0200
@@ -0,0 +1,331 @@
+/*
+* Copyright (c) 2007 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:  This is SUPL PSY Positioning Plug-in ( PSY )
+*
+*/
+
+
+
+// INCLUDE FILES
+#include <e32std.h>            
+#include <centralrepository.h>
+#include <ecom/implementationproxy.h>  // TImplementationProxy
+#include <lbspositioninfo.h>      // TPositionInfoBase
+
+#include "suplpsypositioner.h"
+#include "suplpsycrkeys.h"
+#include "suplpsyrequestmanager.h"
+#include "suplpsygenericinfouser.h"
+#include "suplpsylogging.h"
+#include "suplpsypanic.h"
+#include "suplpsy.hrh"
+
+
+// LOCAL CONSTANTS AND MACROS
+const TImplementationProxy KFactoryPtr =
+    IMPLEMENTATION_PROXY_ENTRY( KSuplPsyImplUid, CSuplPsyPositioner::NewL );
+
+// ========================= ==   == LOCAL FUNCTIONS ===============================
+
+// Following function is required by Positioning Plug-in API at ordinal 1.
+
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy( 
+    TInt& aTableCount )
+    {
+    aTableCount = 1;
+    return &KFactoryPtr;
+    }
+
+// ======================== ==   == MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CSuplPsyPositioner::CSuplPsyPositioner
+// C++default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CSuplPsyPositioner::CSuplPsyPositioner()
+    {
+    // Nothing to do here
+    }
+
+
+// -----------------------------------------------------------------------------
+// CSuplPsyPositioner::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CSuplPsyPositioner::ConstructL( TAny* aConstructionParameters )
+    {
+    TRACESTRING( "CSuplPsyPositioner::ConstructL start" )
+    // Calling BaseConstructL is required by Positioning Plug-in API.
+    BaseConstructL( aConstructionParameters );
+
+    // Get instance of request manager, and register to it
+    iRequestManager = CSuplPsyRequestManager::RegisterL( *this );
+
+    CRepository *repository = CRepository::NewL(KCRUidSuplPsy);
+
+    TInt keyValue;
+
+    TInt ret = repository->Get(KSuplPsyAllowedAccuracy, keyValue);
+   
+    if (ret == KErrNone)
+        {            
+        if (keyValue <= 0)
+            {            
+            TRACESTRING( "CSuplPsyPositioner::ConstructL, invalid value in the configuration " )
+    	    iAllowedAccr = 0;
+            }
+        else		
+    	    iAllowedAccr = keyValue;
+        }
+    else
+    	iAllowedAccr = 0;
+
+	
+   	TRACESTRING2( "Allowes Accurracy...:%d", iAllowedAccr )
+    delete repository;
+    repository = NULL;
+    TRACESTRING( "CSuplPsyPositioner::ConstructL end" )
+    }
+
+
+// -----------------------------------------------------------------------------
+// CSuplPsyPositioner::NewL
+// Two - phased constructor.
+// -----------------------------------------------------------------------------
+//
+CSuplPsyPositioner* CSuplPsyPositioner::NewL( TAny* aConstructionParameters )
+    {
+    CSuplPsyPositioner* self = new( ELeave ) CSuplPsyPositioner;
+    
+    CleanupStack::PushL( self );
+    self->ConstructL( aConstructionParameters );
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+    
+// -----------------------------------------------------------------------------
+// CSuplPsyPositioner::~CSuplPsyPositioner
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CSuplPsyPositioner::~CSuplPsyPositioner()
+    {
+    // Unregister to request manager
+    if ( iRequestManager != NULL )
+        {
+        iRequestManager->Unregister( *this );
+        }
+    TRACESTRING( "CSuplPsyPositioner:: destructed" )
+    }
+
+
+// -----------------------------------------------------------------------------
+// CSuplPsyPositioner::NotifyPositionUpdate
+// 
+// -----------------------------------------------------------------------------
+//
+void CSuplPsyPositioner::NotifyPositionUpdate ( 
+    TPositionInfoBase& aPosInfo,  
+    TRequestStatus&    aStatus )
+    {
+    TRACESTRING( "CSuplPsyPositioner::NotifyPositionUpdate start" )
+
+    //Supl psy will not handle simultaneous location request
+    if ( iRequestStatus != NULL )
+        {
+        Panic( EPanicPositionRequestOngoing );
+        }
+    
+    aStatus = KRequestPending;    
+        
+    //Clear position info data
+    if ( ClearPositionInfoData( aPosInfo ) != KErrNone )
+        {
+        TRequestStatus* status = &aStatus;
+        User::RequestComplete( status, KErrArgument );
+        }
+    
+    //Check maxAge
+    TPosition lastPos;
+    TTime maxAge;
+    GetMaxAge( maxAge );
+    iRequestManager->RecieveMaxAge( maxAge );
+       
+    //Issue location request to request manager
+    iRequestManager->NotifyPositionUpdate( *this );
+    iRequestStatus = &aStatus;
+    iPositionInfo = &aPosInfo;
+    TRACESTRING( "CSuplPsyPositioner::NotifyPositionUpdate end" )
+    }
+
+
+// -----------------------------------------------------------------------------
+// CSuplPsyPositioner::CancelNotifyPositionUpdate
+// 
+// -----------------------------------------------------------------------------
+//
+void CSuplPsyPositioner::CancelNotifyPositionUpdate ()
+    {
+    TRACESTRING( "CSuplPsyPositioner::CancelNotifyPositionUpdate start" )
+    if ( iRequestStatus != NULL )
+        {
+        iRequestManager->CancelNotifyPositionUpdate( *this );
+        User::RequestComplete( iRequestStatus, KErrCancel );
+        }
+    TRACESTRING( "CSuplPsyPositioner::CancelNotifyPositionUpdate end" )
+    }
+
+
+// -----------------------------------------------------------------------------
+// CSuplPsyPositioner::RequestComplete
+// -----------------------------------------------------------------------------
+//
+TBool CSuplPsyPositioner::RequestComplete( 
+            TInt aErr,
+            const HPositionGenericInfo& aPosInfo )
+    {
+    TInt err = aErr;
+    if ( err == KErrNone )
+        {
+        //Fill position info
+        err = FillPositionInfoData( aPosInfo, *iPositionInfo );
+        }
+
+    //Complete the request with err code
+    User::RequestComplete( iRequestStatus, err );
+    return ETrue;
+    }
+
+// -----------------------------------------------------------------------------
+// CSuplPsyPositioner::ClearPositionInfoData
+// -----------------------------------------------------------------------------
+//
+TInt CSuplPsyPositioner::ClearPositionInfoData( 
+            TPositionInfoBase& aPosInfo )
+    {
+    TInt err( KErrNone );
+    TInt classType = aPosInfo.PositionClassType();
+    if ( classType & EPositionSatelliteInfoClass )
+        {
+        err = KErrNotSupported;
+        }
+    else if ( classType & EPositionCourseInfoClass )
+        {
+        err = KErrNotSupported;
+        }
+    else if ( classType & EPositionGenericInfoClass )
+        {
+        // HPositionGenericInfo
+        HPositionGenericInfo* genInfo =
+            static_cast < HPositionGenericInfo*> ( &aPosInfo );
+        
+        genInfo->ClearPositionData();
+        }
+    else if ( classType & EPositionInfoClass )
+        {
+        // TPositionInfo
+        ( void ) new ( &aPosInfo ) ( TPositionInfo );
+        }
+    else
+        {
+        // Unknown type, this should never happen
+        // -->Panic if we get here
+        Panic( EPanicUnknownPositioningClass );
+        }
+
+    aPosInfo.SetModuleId( ImplementationUid() );
+    return err;
+    }
+
+// -----------------------------------------------------------------------------
+// CSuplPsyPositioner::FillPositionInfoData
+// -----------------------------------------------------------------------------
+//
+TInt CSuplPsyPositioner::FillPositionInfoData( 
+            const HPositionGenericInfo& aSrcPosInfo,
+            TPositionInfoBase& aDesPosInfo )
+    {
+    
+    TInt err( KErrNone );
+    TInt classType = aDesPosInfo.PositionClassType();
+    if ( classType & EPositionSatelliteInfoClass )
+        {
+        err = KErrNotSupported;
+        }
+    else if ( classType & EPositionCourseInfoClass )
+        {
+        err = KErrNotSupported;
+        }
+    else if ( classType & EPositionGenericInfoClass )
+        {
+        // HPositionGenericInfo
+        HPositionGenericInfo* genInfo =
+            static_cast < HPositionGenericInfo*> ( &aDesPosInfo );
+        
+        if (iAllowedAccr > 0)
+            {                
+            
+            TPosition position;
+            aSrcPosInfo.GetPosition( position );
+            TReal32 hAcc = position.HorizontalAccuracy();
+            TInt acc = 	hAcc;
+            TRACESTRING2( "EPositionGenericInfoClass : Received Accurracy...:%d",acc )
+            
+	            if (hAcc > 0 && hAcc > iAllowedAccr)
+	            {
+	            		TRACESTRING( "Returning Error...")
+	                return KErrGeneral;
+	            }    
+            }
+        err = SuplPsyGenericInfoUser::CopyHGenericInfo( aSrcPosInfo, *genInfo );
+        }
+    else if ( classType & EPositionInfoClass )
+        {
+        // TPositionInfo
+        TPosition position;
+        aSrcPosInfo.GetPosition( position );
+
+        if (iAllowedAccr > 0)
+            {                
+            TReal32 hAcc = position.HorizontalAccuracy();
+            TInt acc = 	hAcc;
+            TRACESTRING2( "EPositionInfoClass : Received Accurracy...:%d",acc )
+            
+	            if (hAcc > 0 && hAcc > iAllowedAccr)
+	            {
+	            		TRACESTRING( "Returning Error...")
+	                return KErrGeneral;
+	            }    
+
+            }
+
+        ( reinterpret_cast < TPositionInfo&>( aDesPosInfo ) ).SetPosition( position );
+        }
+    else
+        {
+        // Unknown type, this should never happen
+        // -->Panic if we get here
+        Panic( EPanicUnknownPositioningClass );
+        }
+
+    return err;
+    }
+
+
+//  End of File