locationmgmt/agpslocationmgr/src/lbsearlycompletionupdatehandler.cpp
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     1 // Copyright (c) 2006-2009 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 #include "lbsearlycompletionupdatehandler.h"
       
    18 #include <lbs/lbsextendedsatellite.h>
       
    19 
       
    20 CEarlyCompletionUpdateHandler * CEarlyCompletionUpdateHandler::NewL
       
    21 	(
       
    22 	MLbsEarlyCompletionUpdateObserver* aObserver
       
    23 	)
       
    24 	{
       
    25 
       
    26 	CEarlyCompletionUpdateHandler * self = new(ELeave) CEarlyCompletionUpdateHandler (aObserver);
       
    27 
       
    28 	CleanupStack::PushL(self);
       
    29 
       
    30 	self->ConstructL();
       
    31 	CleanupStack::Pop();
       
    32 
       
    33 	return self;
       
    34 	}
       
    35 	
       
    36 
       
    37 	
       
    38 CEarlyCompletionUpdateHandler::CEarlyCompletionUpdateHandler(MLbsEarlyCompletionUpdateObserver* aObserver) : 
       
    39 CActive(CActive::EPriorityStandard),	
       
    40 iObserver(aObserver)
       
    41 	{
       
    42 
       
    43 	}
       
    44 
       
    45 void CEarlyCompletionUpdateHandler::DoCancel()
       
    46 	{
       
    47 	// cancel RLbsPositionUpdateRequests aync request
       
    48 	iEarlyCompletionPosUpdates.CancelNotifyPositionUpdate();
       
    49 	}
       
    50 
       
    51 void CEarlyCompletionUpdateHandler::ListenForEarlyCompletionUpdates()
       
    52 	{
       
    53 	Cancel();
       
    54 	iEarlyCompletionPosUpdates.NotifyPositionUpdate(iStatus);
       
    55 	SetActive();	
       
    56 	}
       
    57 
       
    58 void CEarlyCompletionUpdateHandler::ConstructL()
       
    59 	{
       
    60 	iEarlyCompletionPosUpdates.OpenL(KLbsLocServerUid);
       
    61 	CActiveScheduler::Add(this);
       
    62 	}
       
    63 
       
    64 //------------------------------------------------------------------------------------------------------------
       
    65 CEarlyCompletionUpdateHandler::~CEarlyCompletionUpdateHandler()
       
    66 	{
       
    67 	Cancel();
       
    68 	iEarlyCompletionPosUpdates.Close();
       
    69 	}
       
    70  
       
    71 
       
    72 TInt CEarlyCompletionUpdateHandler::RunError(TInt aError)
       
    73 {
       
    74 	// handle RunL leaving - in our case we do nothing 
       
    75 	// as this means we have had encountered a program inconsistency
       
    76 	// By doing nothing here  causes the main manager thread to exit
       
    77 	// and the Lbs root process resolves any issues - by stopping and restarting
       
    78 	// lbs components
       
    79  	return aError;
       
    80  	
       
    81 }
       
    82 
       
    83 void CEarlyCompletionUpdateHandler::RunL()
       
    84 	{
       
    85 	TInt status = iStatus.Int();
       
    86 	
       
    87 	// Expect further updates
       
    88 	ListenForEarlyCompletionUpdates();
       
    89 	
       
    90 	switch (status)
       
    91 		{
       
    92 		case KErrNone:
       
    93 			{
       
    94 			TPositionExtendedSatelliteInfo satInfo;
       
    95 			TTime targetTime;
       
    96 			TTime actualTime;
       
    97 			TBool conflict;
       
    98 			
       
    99 			TInt ret = iEarlyCompletionPosUpdates.GetAsMuchAsCanPositionInfo(conflict, &satInfo, sizeof(satInfo), targetTime, actualTime);
       
   100 			
       
   101 			// Loc Server must publish the position with this code:
       
   102 			if (KPositionEarlyComplete == ret)
       
   103 				{
       
   104 				// only pass on good locations - discard any associated with errors
       
   105 				__ASSERT_DEBUG(iObserver!= NULL,User::Panic(_L("CEarlyCompletionUpdateHandler1"), KErrArgument));
       
   106 				iObserver->EarlyCompletionUpdate(satInfo, targetTime, actualTime); // call back to observer (MainLogic)
       
   107 				}
       
   108 			__ASSERT_DEBUG(ret == KPositionEarlyComplete, User::Panic(_L("CEarlyCompletionUpdateHandler2"), KErrArgument));	
       
   109 			
       
   110 			break;
       
   111 			}
       
   112 		default:
       
   113 			{
       
   114 			User::LeaveIfError(status);
       
   115 			break;
       
   116 			}
       
   117 		}
       
   118 	}
       
   119 
       
   120 
       
   121 
       
   122