--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datasourcemodules/gpspositioningmodule/lbsagpspsy/src/cagpspositioner.cpp	Fri Jun 04 10:34:15 2010 +0100
@@ -0,0 +1,312 @@
+// Copyright (c) 2008-2009 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:
+//
+
+/**
+ @file
+ @InternalComponent
+*/
+
+#include <e32base.h>
+#include <lbs/epos_mpositionerstatus.h>
+#include <ecom/implementationproxy.h>
+#include <lbssatellite.h>
+#include <lbs/lbsadmin.h>
+
+#include "cagpspositioner.h"
+#include "agpspsy.hrh"
+#include "agpspsypanic.h"
+#include "cpositionerq.h"
+#include "crequesthandler.h"
+#include "cagpsenvironment.h"
+#include "utilfunctions.h"
+#include "tagpsrequestparameters.h"
+#include "agpsrequestconstants.h"
+#include "psylogging.h"
+#include "psypanic.h"
+
+/*
+* 
+*/
+CAgpsPositioner::CAgpsPositioner()
+    {
+	iState = ERequestStateInitial;
+	iTerminalAssisted = EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CAgpsPositioner::~CAgpsPositioner()
+    {
+	TRACESTRING("CAgpsPositioner::~CAgpsPositioner")
+
+	if(iEnvironment)
+		{
+		iEnvironment->UnregisterPSY(this);
+		}
+	
+	iNetRegStatus.Close();
+    }
+
+/**
+ * Creates a new instance of a CPositioner implementation.
+ *
+ * @param aConstructionParameters Construction parameters for CPositioner.
+ * @return The positioner implementation.
+ */
+CAgpsPositioner* CAgpsPositioner::NewL(TAny* aConstructionParameters)
+    {
+    CAgpsPositioner* self = new( ELeave ) CAgpsPositioner;
+
+    CleanupStack::PushL( self );
+    self->ConstructL(aConstructionParameters);
+    CleanupStack::Pop(self);
+
+    return self;
+    }
+
+/**
+ * 2nd phase constructor
+ *
+ * @param aConstructionParameters Construction parameters for CPositioner.
+ */
+void CAgpsPositioner::ConstructL(TAny* aConstructionParameters)
+	{
+	TRACESTRING("CAgpsPositioner::ConstructL")
+
+	// Must call BaseConstructL first thing during construction.
+	BaseConstructL(aConstructionParameters);
+
+	iEnvironment = CAgpsEnvironment::NewL();
+	iEnvironment->RegisterPSYL(this);
+	iEnvironment->GetEnvCriteriaL(iCriteria, TUid::Uid(KPosAGPSPSYImplUid));
+	iInactivityTimeout = iEnvironment->GetInactivityTimeoutL(TUid::Uid(KPosAGPSPSYImplUid));
+	iRequestHandler = iEnvironment->GetRequestHandler();
+
+	// Get the request timeout from the LS:
+	if(iEnvironment->ProfileInUse())	// default timeout was taken from profile, so let LS know
+		{
+		TPositionQuality quality;
+		iCriteria.GetRequiredQuality(quality);
+		iTimeOutInterval = quality.TimeToFirstFix();	
+		SetPsyDefaultUpdateTimeOut(iTimeOutInterval);
+		}	    
+
+	iNetRegStatus.OpenL();
+	}
+
+/**
+* Initiate a tracking session.
+*
+* @param aInterval Interval for position requests.
+*/
+void CAgpsPositioner::StartTrackingL(const TTimeIntervalMicroSeconds& aInterval)
+    {
+	TRACESTRING2("CAdaptationPositioner::StartTrackingL, interval = %d", aInterval)
+
+	TTime timeNow;
+    
+    TTime trackingTime = LbsTimerUtils::AddUpInt64TimersWithOverflowCheck(iTargetTime, aInterval);
+	timeNow.UniversalTime();
+    
+	iTrackingInterval = aInterval;
+	    
+    if(! (trackingTime < timeNow)) // if this is not a default proxy call to StartTracking
+	    {
+    	TRACESTRING("Non-DefProxy Start")
+	    SetupTrackingRequestL();
+        SetAGPSMode();
+		iRequestHandler->SubmitNewRequestL(this);
+	    }
+    }
+    
+/**
+* Requests position info asynchronously. 
+*
+* @param aPosInfo A reference to a position info object. This object
+*                 must be in scope until the request has completed.
+*                 The position (TPosition) of this position info object
+*                 must be in WGS84 geodetic datum.
+* @param aClientStatus The request status
+*
+*/
+void CAgpsPositioner::NotifyPositionUpdate(TPositionInfoBase& aPosInfo, TRequestStatus& aClientStatus)
+    {
+    TRACESTRING("CAdaptationPositioner::NotifyPositionUpdate")
+
+	// we're about to submit a new request, so stop warmdown timer if running: 
+	StopMaxFixTimer();
+    StopWarmDownTimer();
+	
+    // Clear position info
+    ClearPositionInfo(aPosInfo);
+    
+    aClientStatus = KRequestPending;
+    iPosInfo = &aPosInfo;
+    iClientStatus = &aClientStatus;
+    
+    if(!UseLastLocation(aPosInfo)) // Attempt to complete the client immediately with an old position
+		{
+		TTime timeNow;
+		timeNow.UniversalTime();
+	    iActive = ETrue;
+	
+		GetUpdateTimeOut(iTimeOutInterval);
+
+		TDateTime debugTime = timeNow.DateTime();
+		TRACESTRING38("Time Now = %d.%d", debugTime.Second(), debugTime.MicroSecond());
+		
+		// Add on the lag time
+		if(iTerminalAssisted)
+			{
+        	CAgpsEnvironment* agpsEnvironment = static_cast<CAgpsEnvironment*>(iEnvironment);
+        	ExtendUpdateTimeOut(agpsEnvironment->GetFinalNetPositionLag());
+			}
+				
+		if( !IsTracking() ||
+			(IsTracking() && (iTargetTime <= timeNow)) )
+			{
+			iTargetTime.UniversalTime();
+	        TRACESTRING("CAdaptationPositioner::NotifyPositionUpdate submitting new request")
+
+	        SetAGPSMode();
+	        
+	        // (re)start maxfix timer so that we know when the module has stopped trying	        
+	        TRAPD(error,StartMaxFixTimerL());	 
+	        if(!error)
+	        	{
+	        	TRAP(error, iRequestHandler->SubmitNewRequestL(this));
+	        	}
+	        if(error)
+		        {
+				UpdateFailed(error);
+		        }
+			}
+			
+		debugTime = iTargetTime.DateTime();
+		TRACESTRING38("Target Time = %d.%d", debugTime.Second(), debugTime.MicroSecond());
+		}
+    }
+
+
+void CAgpsPositioner::SetModuleId(TPositionInfoBase* aPosInfo)
+	{
+	if(aPosInfo)
+		{
+		aPosInfo->SetModuleId(TUid::Uid(KPosAGPSPSYImplUid)); // Use the PSY module Id rather than the AGPS managers
+		}
+	}
+
+const TRequestParameters* CAgpsPositioner::PositionRequestParams()
+	{
+	TBool state = (iState == ERequestStateInitial);
+	
+	iRequestParameters.iTargetTime = iTargetTime;
+	iRequestParameters.iTimeForFix = iTimeOutInterval;
+	iRequestParameters.iCriteria = iCriteria;
+	iRequestParameters.iNewClient = state;
+	iRequestParameters.iTracking = IsTracking();
+	iRequestParameters.iAGPSMode = iAGPSMode;
+	
+	return &iRequestParameters;
+	}
+	
+/**
+* Checks for a transition into TA mode and extends the max fix time to allow for 
+* the final network position arriving  
+*
+* @param aMode The mode of the last update.
+*
+*/
+void CAgpsPositioner::ModeUpdate(TUint aMode)
+	{
+    TRACESTRING("CPositionerSubSession::CheckMode()")
+
+	if ( ((aMode & RLbsPositionUpdates::EGpsModeTerminalAssisted) == RLbsPositionUpdates::EGpsModeTerminalAssisted) 
+		&& !iTerminalAssisted )
+		{
+		iTerminalAssisted = ETrue;
+		CAgpsEnvironment* agpsEnvironment = static_cast<CAgpsEnvironment*>(iEnvironment);
+		ExtendUpdateTimeOut(agpsEnvironment->GetFinalNetPositionLag());
+		}
+	else if (((aMode & RLbsPositionUpdates::EGpsModeTerminalAssisted) != RLbsPositionUpdates::EGpsModeTerminalAssisted))
+		{
+		iTerminalAssisted = EFalse;
+		}
+	}
+
+void CAgpsPositioner::SetAGPSMode()
+	{
+    TRACESTRING("CPositionerSubSession::GpsMode()")
+	
+    CLbsAdmin::TGpsMode mode = CLbsAdmin::EGpsModeUnknown;
+	iAGPSMode = KAutonomousMode;
+	
+	RLbsNetworkRegistrationStatus::TLbsNetworkRegistrationStatus netRegStatus(RLbsNetworkRegistrationStatus::ENetworkRegistrationUnknown);
+	
+	// Read the current network registration status
+	TInt err = iNetRegStatus.GetNetworkRegistrationStatus(netRegStatus);
+
+	if (err == KErrNone)
+		{
+		// Read the admin setting
+		switch (netRegStatus)
+			{
+			case RLbsNetworkRegistrationStatus::ERegisteredHomeNetwork:
+				{
+				err = iEnvironment->Admin().Get(KLbsSettingHomeGpsMode, mode);
+				break;
+				}
+			case RLbsNetworkRegistrationStatus::ERegisteredRoamingNetwork:
+			case RLbsNetworkRegistrationStatus::ENotRegistered:
+				{
+				err = iEnvironment->Admin().Get(KLbsSettingRoamingGpsMode, mode);
+				break;
+				}		
+			case RLbsNetworkRegistrationStatus::ENetworkRegistrationUnknown:
+			default:
+				{
+				TRACESTRING("Unrecognised TLbsNetworkRegistrationStatus")
+				break;
+				}
+			}
+		
+		// Convert to internal mode
+		switch (mode)
+			{
+			case CLbsAdmin::EGpsPreferTerminalBased:
+			case CLbsAdmin::EGpsAlwaysTerminalBased:
+				iAGPSMode = KTerminalBasedMode;
+			break;
+			
+			case CLbsAdmin::EGpsPreferTerminalAssisted:
+			case CLbsAdmin::EGpsAlwaysTerminalAssisted:
+				iAGPSMode = KTerminalAssistedMode;
+			break;
+			
+			case CLbsAdmin::EGpsModeUnknown:
+				__ASSERT_DEBUG(EFalse,User::Panic(KAdaptationPanicCategory, KErrArgument));
+			break;
+			
+			case CLbsAdmin::EGpsAutonomous:
+			default:
+				iAGPSMode = KAutonomousMode;
+			break;
+			}
+		}
+	}
+
+//  End of File