datasourcemodules/networkpositioningmodule/src/cnetpositioner.cpp
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     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 /**
       
    17  @file
       
    18  @InternalComponent
       
    19 */
       
    20 
       
    21 #include <e32base.h>
       
    22 #include <lbs/epos_mpositionerstatus.h>
       
    23 #include <ecom/implementationproxy.h>
       
    24 #include <lbssatellite.h>
       
    25 
       
    26 #include "cnetpositioner.h"
       
    27 #include "netpsy.hrh"
       
    28 #include "psypanic.h"
       
    29 #include "crequesthandler.h"
       
    30 #include "cnetenvironment.h"
       
    31 #include "utilfunctions.h"
       
    32 #include "psylogging.h"
       
    33 
       
    34 static const TImplementationProxy KFactoryPtr = 
       
    35 IMPLEMENTATION_PROXY_ENTRY( KPosNETPSYImplUid, CNETPositioner::NewL);
       
    36 
       
    37 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
       
    38     {
       
    39     aTableCount =1;
       
    40     return &KFactoryPtr;
       
    41     }
       
    42 
       
    43 
       
    44 /*
       
    45 * 
       
    46 */
       
    47 CNETPositioner::CNETPositioner()
       
    48     {
       
    49 	iState = ERequestStateInitial;
       
    50 	iCriteria.ResetCriteria();
       
    51     }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // Destructor
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 CNETPositioner::~CNETPositioner()
       
    58     {
       
    59 	TRACESTRING("CNETPositioner::~CNETPositioner")
       
    60 
       
    61 	iEnvironment->UnregisterPSY(this);
       
    62     }
       
    63 
       
    64 /**
       
    65  * Creates a new instance of a CPositioner implementation.
       
    66  *
       
    67  * @param aConstructionParameters Construction parameters for CPositioner.
       
    68  * @return The positioner implementation.
       
    69  */
       
    70 CNETPositioner* CNETPositioner::NewL(TAny* aConstructionParameters)
       
    71     {
       
    72     CNETPositioner* self = new( ELeave ) CNETPositioner;
       
    73 
       
    74     CleanupStack::PushL( self );
       
    75     self->ConstructL(aConstructionParameters);
       
    76     CleanupStack::Pop(self);
       
    77 
       
    78     return self;
       
    79     }
       
    80 
       
    81 /**
       
    82  * 2nd phase constructor
       
    83  *
       
    84  * @param aConstructionParameters Construction parameters for CPositioner.
       
    85  */
       
    86 void CNETPositioner::ConstructL(TAny* aConstructionParameters)
       
    87     {
       
    88 //    CLEARTRACELOG;
       
    89     TRACESTRING("CNETPositioner::ConstructL")
       
    90     
       
    91     // Must call BaseConstructL first thing during construction.
       
    92     BaseConstructL(aConstructionParameters);
       
    93     
       
    94 	iEnvironment = CNETEnvironment::NewL();
       
    95 	iEnvironment->RegisterPSYL(this);
       
    96     iEnvironment->GetEnvCriteriaL(iCriteria, TUid::Uid(KPosNETPSYImplUid));
       
    97 	iInactivityTimeout = iEnvironment->GetInactivityTimeoutL(TUid::Uid(KPosNETPSYImplUid));
       
    98     iRequestHandler = iEnvironment->GetRequestHandler();
       
    99     
       
   100 	// Get the request timeout from the LS:
       
   101     if(iEnvironment->ProfileInUse())	// default timeout was taken from profile, so let LS know
       
   102     	{
       
   103 	    TPositionQuality quality;
       
   104 	    iCriteria.GetRequiredQuality(quality);
       
   105     	iTimeOutInterval = quality.TimeToFirstFix();	
       
   106     	SetPsyDefaultUpdateTimeOut(iTimeOutInterval);
       
   107     	}	    
       
   108     }
       
   109 
       
   110 /**
       
   111 * Requests position info asynchronously. 
       
   112 *
       
   113 * @param aPosInfo A reference to a position info object. This object
       
   114 *                 must be in scope until the request has completed.
       
   115 *                 The position (TPosition) of this position info object
       
   116 *                 must be in WGS84 geodetic datum.
       
   117 * @param aClientStatus The request status
       
   118 *
       
   119 */
       
   120 void CNETPositioner::NotifyPositionUpdate(TPositionInfoBase& aPosInfo, TRequestStatus& aClientStatus)
       
   121     {
       
   122     TRACESTRING("CAdaptationPositioner::NotifyPositionUpdate")
       
   123     
       
   124 	// we're about to submit a new request, so stop warmdown timer if running: 
       
   125 	StopMaxFixTimer();
       
   126     StopWarmDownTimer();
       
   127 	
       
   128     // Clear position info
       
   129     ClearPositionInfo(aPosInfo);
       
   130     
       
   131     aClientStatus = KRequestPending;
       
   132     iPosInfo = &aPosInfo;
       
   133     iClientStatus = &aClientStatus;
       
   134     
       
   135     if(!UseLastLocation(aPosInfo))
       
   136 		{
       
   137 		TTime timeNow;
       
   138 		timeNow.UniversalTime();
       
   139 	    iActive = ETrue;
       
   140 	
       
   141 		GetUpdateTimeOut(iTimeOutInterval);
       
   142 
       
   143 		TDateTime debugTime = timeNow.DateTime();
       
   144 		TRACESTRING38("Time Now = %d.%d", debugTime.Second(), debugTime.MicroSecond());
       
   145 		
       
   146 		if( !IsTracking()  ||
       
   147 			(IsTracking() && (iTargetTime <= timeNow)) )
       
   148 			{
       
   149 			iTargetTime.UniversalTime();
       
   150 	        TRACESTRING("CAdaptationPositioner::NotifyPositionUpdate submitting new request")
       
   151 
       
   152 	        TInt error;
       
   153 	        // (re)start maxfix timer so that we know when the module has stopped trying	        
       
   154 	        TRAP(error,StartMaxFixTimerL());	 
       
   155 	        if(!error)
       
   156 	        	{
       
   157 	        	TRAP(error, iRequestHandler->SubmitNewRequestL(this));
       
   158 	        	}
       
   159 	        if(error)
       
   160 		        {
       
   161 				UpdateFailed(error);
       
   162 		        }
       
   163 			}
       
   164 			
       
   165 		debugTime = iTargetTime.DateTime();
       
   166 		TRACESTRING38("Target Time = %d.%d", debugTime.Second(), debugTime.MicroSecond());
       
   167 		}
       
   168     }
       
   169 
       
   170 void CNETPositioner::SetModuleId(TPositionInfoBase* aPosInfo)
       
   171 	{
       
   172 	if(aPosInfo)
       
   173 		{
       
   174 		aPosInfo->SetModuleId(TUid::Uid(KPosNETPSYImplUid)); // Use the PSY module Id rather than the AGPS managers
       
   175 		}
       
   176 	}
       
   177 
       
   178 const TRequestParameters* CNETPositioner::PositionRequestParams()
       
   179 	{
       
   180 	TBool state = (iState == ERequestStateInitial);
       
   181 	TBool tracking = IsTracking();
       
   182 	
       
   183 	iRequestParameters.iTargetTime = iTargetTime;
       
   184 	iRequestParameters.iTimeForFix = iTimeOutInterval;
       
   185 	iRequestParameters.iCriteria = iCriteria;
       
   186 	iRequestParameters.iNewClient = state;
       
   187 	iRequestParameters.iTracking = tracking;
       
   188 	
       
   189 	return &iRequestParameters;
       
   190 	}
       
   191 	
       
   192 //  End of File
       
   193