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  @internalTechnology

    19  @released

    20 */

    21 

    22 #include "lbsprocessuiddefs.h"

    23 #include "locationupdatemonitor.h"

    24 

    25 

    26 CLbsLocUpdateMonitor::CLbsLocUpdateMonitor(

    27 		MLbsLocUpdateObserver& aObserver) :

    28 	CActive(EPriorityStandard),

    29 	iObserver(aObserver)

    30 	{

    31 	CActiveScheduler::Add(this);

    32 	}

    33 

    34 CLbsLocUpdateMonitor::~CLbsLocUpdateMonitor()

    35 	{

    36 	Cancel();

    37 	iLbsPositionUpdateRequestor.Close();

    38 	iLbsPositionUpdateMonitor.Close();

    39 	}

    40 

    41 CLbsLocUpdateMonitor* CLbsLocUpdateMonitor::NewL(

    42 		MLbsLocUpdateObserver& aObserver)

    43 	{

    44 	CLbsLocUpdateMonitor* self = new (ELeave) CLbsLocUpdateMonitor(aObserver);

    45 	CleanupStack::PushL(self);

    46 	self->ConstructL();

    47 	CleanupStack::Pop(self);

    48 	return self;

    49 	}

    50 

    51 void CLbsLocUpdateMonitor::ConstructL()

    52 	{

    53 	iLbsPositionUpdateMonitor.OpenL(KLbsGpsLocManagerUid);

    54 	

    55     RLbsPositionUpdateRequests::TChannelIdentifer channelId;

    56     channelId.iModuleId = KLbsGpsLocManagerUid;

    57     channelId.iClientId = KLbsNetRequestHandlerUid;

    58 	iLbsPositionUpdateRequestor.OpenL(channelId);

    59 	}

    60 	 

    61 void CLbsLocUpdateMonitor::StartMonitor()

    62 	{

    63 	if (!IsActive())

    64 		{

    65 		iLbsPositionUpdateMonitor.NotifyPositionUpdate(iStatus);

    66 		SetActive();

    67 		}

    68 	}

    69 

    70 void CLbsLocUpdateMonitor::StopMonitor()

    71 	{

    72 	Cancel();

    73 	}

    74 

    75 void CLbsLocUpdateMonitor::SendLocationRequest(

    76 		TLbsPositionUpdateRequestBase::TPowerAdvice aPowerAdvice,

    77 		const TLbsNetPosRequestMethodInt& aMethod,

    78 		const TLbsLocRequestQualityInt& aQuality)

    79 	{

    80 	TLbsPositionUpdateRequest updateRequest;

    81 	updateRequest.SetPowerAdvice(aPowerAdvice);

    82 	updateRequest.TargetTime() = TTime(0);

    83 	updateRequest.RequestQuality() = aQuality;

    84 	updateRequest.RequestMethod() = aMethod;

    85 	iLbsPositionUpdateRequestor.SetPositionUpdateRequest(updateRequest);	

    86 	}

    87 

    88 void CLbsLocUpdateMonitor::SendCancelRequest(

    89 		TLbsPositionUpdateRequestBase::TPowerAdvice aPowerAdvice)

    90 	{

    91 	TLbsPositionUpdateRequestCancel cancel;

    92 	cancel.SetPowerAdvice(aPowerAdvice);

    93 	iLbsPositionUpdateRequestor.SetPositionUpdateRequest(cancel);	

    94 	}

    95 

    96 

    97 void CLbsLocUpdateMonitor::SendPowerAdviceRequest(

    98 		TLbsPositionUpdateRequestBase::TPowerAdvice aPowerAdvice)

    99 	{

   100    	TLbsPositionUpdateRequest request;

   101    	iLbsPositionUpdateRequestor.GetPositionUpdateRequest(request);

   102 	

   103 	if ( request.Type()==TLbsPositionUpdateRequestBase::ECancel )

   104 		{

   105 		// if the last thing we sent to the manager was a cancel then re-issue it

   106 		// (with the correct PowerAdvice) to prevent the cancel being overwritten and therefore lost

   107 		TLbsPositionUpdateRequestCancel cancel;

   108 		cancel.Tracking() = EFalse; 	// cancel always disables tracking 

   109 		cancel.SetPowerAdvice(aPowerAdvice);

   110 		iLbsPositionUpdateRequestor.SetPositionUpdateRequest(cancel);

   111 		}

   112 	else

   113 		{

   114 		TLbsPositionUpdateRequestStatus powerAdvice;

   115 		powerAdvice.SetPowerAdvice(aPowerAdvice);

   116 		iLbsPositionUpdateRequestor.SetPositionUpdateRequest(powerAdvice);

   117 		}

   118 	}

   119 

   120 void CLbsLocUpdateMonitor::GetPosition(

   121 		TBool& aConflictControl,

   122 		TInt& aReason,

   123 		TPositionExtendedSatelliteInfo& aPosInfo,

   124 		TTime& aActualTime)

   125 	{

   126 	TTime targetTime;

   127 	aReason = iLbsPositionUpdateMonitor.GetPositionInfo(

   128 					aConflictControl,

   129 					&aPosInfo, 

   130 					sizeof(aPosInfo),

   131 					targetTime, 

   132 					aActualTime);

   133 	}

   134 	

   135 void CLbsLocUpdateMonitor::RunL()

   136 	{

   137 	// Re-subscribe

   138 	StartMonitor();

   139 	

   140 	// Get the latest update

   141 	TBool conflictControl;

   142 	TInt posReason;

   143 	TPositionExtendedSatelliteInfo posInfo;

   144 	TTime actualTime;

   145 	GetPosition(conflictControl, posReason, posInfo, actualTime);

   146 	

   147 	// Notify the observer

   148 	iObserver.OnPositionUpdate(conflictControl,

   149 								posReason,

   150 								posInfo,

   151 								actualTime);

   152 	}

   153 

   154 TInt CLbsLocUpdateMonitor::RunError(TInt /*aError*/)

   155 	{

   156 	return KErrNone;

   157 	}

   158 

   159 void CLbsLocUpdateMonitor::DoCancel()

   160 	{

   161 	iLbsPositionUpdateMonitor.CancelNotifyPositionUpdate();

   162 	}

   163