datasourcemodules/networkpositioningmodule/src/requesthandler/cnetrequesthandler.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/datasourcemodules/networkpositioningmodule/src/requesthandler/cnetrequesthandler.cpp Fri Jun 04 10:34:15 2010 +0100
@@ -0,0 +1,193 @@
+// 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 "cnetrequesthandler.h"
+#include "cpositionerq.h"
+#include "lbsdevloggermacros.h"
+#include "trequestparameters.h"
+
+/*
+* CRequestHandler::NewL
+* Two-phased constructor.
+*/
+CNETRequestHandler* CNETRequestHandler::NewL(CPositionerQ* aPositionerQ)
+ {
+ CNETRequestHandler* self = new( ELeave ) CNETRequestHandler(aPositionerQ);
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop();
+
+ return self;
+ }
+
+/*
+* CNETRequestHandler::~CNETRequestHandler
+* Destructor.
+*/
+CNETRequestHandler::~CNETRequestHandler()
+ {
+ delete iNETRequestBus;
+ }
+
+/**
+@param aPositionerQ the positioner Q
+*/
+CNETRequestHandler::CNETRequestHandler(CPositionerQ* aPositionerQ)
+ {
+ iPositionerQ = aPositionerQ;
+ }
+
+/**
+construct the request bus by channel identifier
+*/
+void CNETRequestHandler::ConstructL()
+ {
+ CRequestHandler::ConstructL();
+
+ iChannel = KChannelArray[KNetworkManagerToLocServerChannelIndex]; // PSY<->NetLocManager channel
+
+ iNETRequestBus = CNETRequestBus::NewL(iChannel);
+ }
+
+/**
+Merge the request with the local iMergedRequest
+
+@param aTime The target time of the request
+@param aTimeForFix The maximum fix time
+@param aQuality The requested position info quality
+@see CPositionerSubSession
+*/
+TInt CNETRequestHandler::MergeRequest(const TRequestParameters* aRequestParameters, const TBool aTracking,
+ TLbsPositionUpdateRequestBase::TPowerAdvice aPower)
+ {
+ TPositionQuality posQuality;
+ TLbsPositionUpdateRequest newReq;
+ TLbsLocRequestQuality newRequestQuality;
+
+ aRequestParameters->iCriteria.GetRequiredQuality(posQuality);
+
+ BuildUpdateRequest(newRequestQuality, aRequestParameters->iTimeForFix, posQuality);
+ newReq.TargetTime() = aRequestParameters->iTargetTime;
+
+ newReq.RequestQuality().SetMaxFixTime(newRequestQuality.MaxFixTime());
+ newReq.RequestQuality().SetMinHorizontalAccuracy(newRequestQuality.MinHorizontalAccuracy());
+ newReq.RequestQuality().SetMinVerticalAccuracy(newRequestQuality.MinVerticalAccuracy());
+
+ newReq.NewClient() = aRequestParameters->iNewClient;
+ newReq.Tracking() = aTracking;
+ newReq.SetPowerAdvice(aPower);
+
+ if(newReq.TargetTime() < iMergedRequest.TargetTime())
+ {
+ iMergedRequest.TargetTime() = newReq.TargetTime();
+ }
+
+ if(newReq.RequestQuality().MinHorizontalAccuracy() < iMergedRequest.RequestQuality().MinHorizontalAccuracy())
+ {
+ iMergedRequest.RequestQuality().SetMinHorizontalAccuracy(newReq.RequestQuality().MinHorizontalAccuracy());
+ }
+
+ if(newReq.RequestQuality().MinVerticalAccuracy() < iMergedRequest.RequestQuality().MinVerticalAccuracy())
+ {
+ iMergedRequest.RequestQuality().SetMinVerticalAccuracy(newReq.RequestQuality().MinVerticalAccuracy());
+ }
+
+ if(newReq.RequestQuality().MaxFixTime() < iMergedRequest.RequestQuality().MaxFixTime())
+ {
+ iMergedRequest.RequestQuality().SetMaxFixTime(newReq.RequestQuality().MaxFixTime());
+ }
+
+ iMergedRequest.NewClient() = iMergedRequest.NewClient() || newReq.NewClient();
+ iMergedRequest.Tracking() = iMergedRequest.Tracking() || newReq.Tracking();
+
+ TLbsPositionUpdateRequest& reqNC = const_cast<TLbsPositionUpdateRequest&>(newReq);
+ iMergedRequest.SetPowerAdvice(reqNC.PowerAdvice());
+
+ return KErrNone;
+ }
+
+/** Used before merging */
+void CNETRequestHandler::ResetMergedRequest()
+ {
+ iMergedRequest.NewClient() = EFalse;
+ iMergedRequest.Tracking() = EFalse;
+ iMergedRequest.TargetTime() = KMaxTInt64;
+ iMergedRequest.RequestQuality().SetMinHorizontalAccuracy(KMaxTReal32);
+ iMergedRequest.RequestQuality().SetMinVerticalAccuracy(KMaxTReal32);
+ iMergedRequest.RequestQuality().SetMaxFixTime(KMaxTInt64);
+ }
+
+/**
+Publish the request to the request bus
+
+@param aRequest The request to be updated
+@param aTimeForFix The maximum fix time
+@param aQuality The requested position info quality
+*/
+void CNETRequestHandler::IssueMergedRequestL()
+ {
+ iCurrentRequest = iMergedRequest;
+ TLbsPositionUpdateRequest request = iCurrentRequest;
+
+ // If target time is 'now' then force the request target time to be 0
+ TTime currentTime;
+ currentTime.UniversalTime();
+
+ if (!request.Tracking()) // Not tracking
+ {
+ if (request.TargetTime() <= currentTime)
+ {
+ request.TargetTime() = TTime(0);
+ }
+ }
+ else if (request.NewClient()) // Tracking!
+ {
+ request.TargetTime() = TTime(0);
+ }
+
+ iNETRequestBus->PublishRequestL(request);
+ }
+
+/**
+Publish the Cancel request to the request bus.
+Cancel always disables tracking (the tracking flag is EFalse by default)
+*/
+void CNETRequestHandler::IssueCancel(TBool aTracking, TLbsPositionUpdateRequestBase::TPowerAdvice aPower)
+ {
+ TLbsPositionUpdateRequestCancel cancel;
+
+ // note, here we choose to send EPowerAdviceStandby straight away
+ cancel.SetPowerAdvice(aPower);
+ cancel.Tracking() = aTracking;
+
+ TRAP_IGNORE(iNETRequestBus->PublishRequestL(cancel));
+ }
+
+/**
+Publish statutory information (e.g tracking) to the request bus.
+*/
+void CNETRequestHandler::IssueStatus(TBool aTracking, TLbsPositionUpdateRequestBase::TPowerAdvice aPower)
+ {
+ TLbsPositionUpdateRequestStatus status;
+ status.Tracking() = aTracking;
+ status.SetPowerAdvice(aPower);
+ TRAP_IGNORE(iNETRequestBus->PublishRequestL(status));
+ }