author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 00:16:03 +0200 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: CMnrpPositionRequest class implementation |
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* |
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*/ |
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#include <AknWaitDialog.h> |
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#include <coemain.h> |
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#include <aknnotewrappers.h> |
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#include <lbspositioninfo.h> |
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#include "mnrppositionrequest.h" |
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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CMnrpPositionRequest::CMnrpPositionRequest( |
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MMnrpPositionObserver& aObserver ) |
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: |
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CActive( CActive::EPriorityStandard ), |
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iObserver( aObserver ), |
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iState( EIdle ) |
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{ |
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TRealX nan; |
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nan.SetNaN(); |
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iSpeed = iHeading = iCourse = iMagneticHeading = iMagneticCourse = nan; |
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CActiveScheduler::Add( this ); |
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} |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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void CMnrpPositionRequest::ConstructL( const TDesC& aRequestorName ) |
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{ |
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const TInt KBufSize = 8192; |
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iGenericPosition = HPositionGenericInfo::NewL( KBufSize ); |
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// Connect to the location server |
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User::LeaveIfError( iLocationServer.Connect() ); |
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// Open the default positioner |
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User::LeaveIfError( iPositioner.Open( iLocationServer ) ); |
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// Set this application as location requestor |
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User::LeaveIfError( iPositioner.SetRequestor( |
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CRequestor::ERequestorService, |
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CRequestor::EFormatApplication, |
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aRequestorName ) ); |
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// Set default options |
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TPositionUpdateOptions updateOptions; |
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const TInt K30Seconds = 30000000; |
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TTimeIntervalMicroSeconds timeOut( K30Seconds ); |
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updateOptions.SetUpdateTimeOut( timeOut ); |
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SetOptionsL( updateOptions ); |
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} |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C CMnrpPositionRequest* CMnrpPositionRequest::NewL( |
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const TDesC& aAppName, |
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MMnrpPositionObserver& aObserver ) |
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{ |
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CMnrpPositionRequest* self = |
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new (ELeave) CMnrpPositionRequest( aObserver ); |
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CleanupStack::PushL( self ); |
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self->ConstructL( aAppName ); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C CMnrpPositionRequest::~CMnrpPositionRequest() |
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{ |
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Cancel(); |
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iPositioner.Close(); |
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iLocationServer.Close(); |
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delete iGenericPosition; |
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} |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CMnrpPositionRequest::FetchNewPosition( TBool aLastKnownLocationAllowed ) |
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{ |
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Cancel(); |
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// Request location |
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iState = EAcquiringDefaultLocation; |
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iLastKnownLocationAllowed = aLastKnownLocationAllowed; |
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ExecuteNextStep(); |
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} |
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113 |
|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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116 |
// |
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EXPORT_C void CMnrpPositionRequest::GetPosition( TPositionInfo& aPositionInfo ) |
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118 |
{ |
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aPositionInfo = iPositionInfo; |
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} |
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121 |
|
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// ----------------------------------------------------------------------------- |
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123 |
// ----------------------------------------------------------------------------- |
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124 |
// |
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EXPORT_C TReal32 CMnrpPositionRequest::Speed() |
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126 |
{ |
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return iSpeed; |
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} |
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129 |
|
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// ----------------------------------------------------------------------------- |
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131 |
// ----------------------------------------------------------------------------- |
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132 |
// |
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EXPORT_C TReal32 CMnrpPositionRequest::Heading() |
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{ |
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return iHeading; |
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} |
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137 |
|
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// ----------------------------------------------------------------------------- |
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139 |
// ----------------------------------------------------------------------------- |
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140 |
// |
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EXPORT_C TReal32 CMnrpPositionRequest::MagneticHeading() |
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{ |
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return iMagneticHeading; |
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} |
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145 |
|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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148 |
// |
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EXPORT_C TReal32 CMnrpPositionRequest::Course() |
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150 |
{ |
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return iCourse; |
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} |
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153 |
|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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156 |
// |
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EXPORT_C TReal32 CMnrpPositionRequest::MagneticCourse() |
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158 |
{ |
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return iMagneticCourse; |
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} |
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161 |
|
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// ----------------------------------------------------------------------------- |
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163 |
// ----------------------------------------------------------------------------- |
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// |
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void CMnrpPositionRequest::DoCancel() |
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{ |
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// Cancel location request |
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if (iState == EAcquiringDefaultLocation) |
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169 |
{ |
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iPositioner.CancelRequest( EPositionerNotifyPositionUpdate ); |
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} |
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else if (iState == EAcquiringLastKnownLocation) |
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173 |
{ |
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iPositioner.CancelRequest( EPositionerGetLastKnownPosition ); |
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} |
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iState = EIdle; |
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} |
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178 |
|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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181 |
// |
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void CMnrpPositionRequest::RunL() |
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{ |
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if ( iStatus != KErrNone && |
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iState == EAcquiringDefaultLocation && |
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iLastKnownLocationAllowed ) |
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{ |
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// Fetching current location failed. Try last known location. |
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iState = EAcquiringLastKnownLocation; |
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ExecuteNextStep(); |
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} |
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else |
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193 |
{ |
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// Operation finished, notify observer |
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iState = EIdle; |
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SaveContainer( *iGenericPosition ); |
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iObserver.HandlePositionRequestCompletedL( iStatus.Int() ); |
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} |
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} |
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200 |
|
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201 |
// ----------------------------------------------------------------------------- |
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202 |
// ----------------------------------------------------------------------------- |
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203 |
// |
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TInt CMnrpPositionRequest::RunError(TInt /*aError*/) |
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{ |
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// Ignore possible errors. |
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return KErrNone; |
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} |
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209 |
|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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void CMnrpPositionRequest::ExecuteNextStep() |
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{ |
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iStatus = KRequestPending; |
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216 |
|
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switch (iState) |
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{ |
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case EAcquiringDefaultLocation: |
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InitContainer( *iGenericPosition ); |
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iPositioner.NotifyPositionUpdate( *iGenericPosition, iStatus); |
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break; |
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case EAcquiringLastKnownLocation: |
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iPositioner.GetLastKnownPosition( iPositionInfo, iStatus ); |
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break; |
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default: |
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// this case should never happen, see RunL |
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return; |
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} |
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|
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SetActive(); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CMnrpPositionRequest::SetOptionsL( const TPositionUpdateOptionsBase& aOptions ) |
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{ |
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User::LeaveIfError( iPositioner.SetUpdateOptions( aOptions ) ); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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void CMnrpPositionRequest::InitContainer( HPositionGenericInfo& aGenericInfo ) |
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{ |
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aGenericInfo.ClearPositionData(); |
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|
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aGenericInfo.SetRequestedField( EPositionFieldHorizontalSpeed ); |
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aGenericInfo.SetRequestedField( EPositionFieldTrueCourse ); |
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aGenericInfo.SetRequestedField( EPositionFieldMagneticCourse ); |
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aGenericInfo.SetRequestedField( EPositionFieldHeading ); |
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aGenericInfo.SetRequestedField( EPositionFieldMagneticHeading ); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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void CMnrpPositionRequest::SaveContainer( const HPositionGenericInfo& aGenericInfo ) |
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{ |
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TRealX nan; |
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nan.SetNaN(); |
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iSpeed = iHeading = iCourse = iMagneticHeading = iMagneticCourse = nan; |
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|
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aGenericInfo.GetValue( EPositionFieldHorizontalSpeed, iSpeed ); |
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aGenericInfo.GetValue( EPositionFieldTrueCourse, iCourse ); |
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aGenericInfo.GetValue( EPositionFieldMagneticCourse, iMagneticCourse ); |
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aGenericInfo.GetValue( EPositionFieldHeading, iHeading ); |
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aGenericInfo.GetValue( EPositionFieldMagneticHeading, iMagneticHeading ); |
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|
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iPositionInfo = *iGenericPosition; |
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} |