author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 14:04:02 +0300 | |
changeset 37 | 64817133cd1d |
child 42 | feebad15db8c |
permissions | -rw-r--r-- |
37
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/* |
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* Copyright (c) 2009-2010 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: |
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* |
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*/ |
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#include "cxutils.h" |
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#include "cxestate.h" |
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#include "cxesettings.h" |
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#include "cxenamespace.h" |
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#include "cxestillcapturecontrol.h" |
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#include "cxevideocapturecontrol.h" |
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#include "cxegeotaggingtrailprivate.h" |
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#include <locationtrailpskeys.h> |
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namespace |
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{ |
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// in milliseconds |
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const int STOP_TRAIL_INTERVAL = 10*1000; |
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} |
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/*! |
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* Constructor |
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*/ |
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CxeGeoTaggingTrailPrivate::CxeGeoTaggingTrailPrivate(CxeStillCaptureControl &stillControl, |
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CxeVideoCaptureControl &videoControl, |
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CxeSettings &settings) |
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: CxeStateMachine("CxeGeoTaggingTrailPrivate"), |
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mStillCaptureControl(stillControl), |
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mVideoCaptureControl(videoControl), |
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mSettings(settings), |
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mStopLocationTrailTimer(), |
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mPendingStopTrailSession(false) |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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qRegisterMetaType<CxeGeoTaggingTrail::State>(); |
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initializeStates(); |
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#if defined(Q_OS_SYMBIAN) |
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QVariant locationTrailState; |
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// Get initial location trail state. |
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mSettings.get(KPSUidLocationTrail.iUid, KLocationTrailState, |
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Cxe::PublishAndSubscribe, locationTrailState); |
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connect(&mSettings, SIGNAL(settingValueChanged(long int, unsigned long int, QVariant)), |
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this, SLOT(handleGeoTaggingPropertyEvent(long int, unsigned long int, QVariant))); |
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#endif |
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connect(&mSettings, SIGNAL(settingValueChanged(const QString&,QVariant)), |
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this, SLOT(handleSettingValueChanged(const QString&,QVariant))); |
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connect(&mStopLocationTrailTimer, SIGNAL(timeout()), |
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this, SLOT(timeout()), Qt::UniqueConnection); |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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/*! |
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* Destructor |
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*/ |
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CxeGeoTaggingTrailPrivate::~CxeGeoTaggingTrailPrivate() |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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// stop trail and close location utility session |
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stop(true); |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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/*! |
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* Start location trail. |
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*/ |
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void CxeGeoTaggingTrailPrivate::start() |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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#if defined(Q_OS_SYMBIAN) |
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int err = KErrNone; |
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int settingValue = Cxe::GeoTaggingOff; |
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mSettings.get(CxeSettingIds::GEOTAGGING, settingValue); |
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if (settingValue == Cxe::GeoTaggingOn) { |
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// geotagging setting is ON, trying to start location trail |
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if (state() == CxeGeoTaggingTrail::NotConnected) { |
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err = mLocationTrail.Connect(); |
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107 |
if (!err) { |
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CX_DEBUG(("CxeGeoTaggingTrail <> location trail connected")); |
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setState(CxeGeoTaggingTrail::Connected); |
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} |
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111 |
} |
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112 |
|
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if (state() == CxeGeoTaggingTrail::Connected && !err) { |
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err = mLocationTrail.StartLocationTrail(RLocationTrail::ECaptureAll); |
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115 |
if (!err) { |
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CX_DEBUG(("CxeGeoTaggingTrail <> starting location trail")); |
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mStopLocationTrailTimer.stop(); // stop location timer. |
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setState(CxeGeoTaggingTrail::TrailStarted); |
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} |
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120 |
} |
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121 |
|
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122 |
if (err) { |
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CX_DEBUG(("CxeGeoTaggingTrailPrivate::start <> FAILED: error = %d ", err)); |
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stop(true); |
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125 |
} |
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} else { |
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// geotagging setting off, do nothing. |
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CX_DEBUG(("CxeGeoTaggingTrail <> start -- Geotagging setting OFF, do nothing..")); |
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129 |
} |
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130 |
|
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#endif |
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132 |
|
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133 |
CX_DEBUG_EXIT_FUNCTION(); |
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134 |
} |
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135 |
|
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136 |
|
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137 |
|
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138 |
|
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139 |
/*! |
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140 |
* Stop location trail. |
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141 |
* @ param closeSession, indicates if we are willing to close the location utility session. |
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142 |
*/ |
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143 |
void CxeGeoTaggingTrailPrivate::stop(bool closeSession) |
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144 |
{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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146 |
|
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#if defined(Q_OS_SYMBIAN) |
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148 |
|
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bool ok2StopTrail = canStopTrail(); |
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150 |
|
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151 |
if (ok2StopTrail) { |
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152 |
|
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153 |
if (state() == CxeGeoTaggingTrail::TrailStarted || |
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state() == CxeGeoTaggingTrail::DataAvailable) { |
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CX_DEBUG(("CxeGeoTaggingTrailPrivate::StopLocationTrail")); |
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156 |
// stop location trail timer. |
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mStopLocationTrailTimer.stop(); |
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mLocationTrail.StopLocationTrail(); |
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setState(CxeGeoTaggingTrail::Connected); |
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160 |
} |
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161 |
|
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162 |
if (closeSession && state() == CxeGeoTaggingTrail::Connected) { |
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CX_DEBUG(("CxeGeoTaggingTrailPrivate <> disconnect location trail utility")); |
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mLocationTrail.Close(); |
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setState(CxeGeoTaggingTrail::NotConnected); |
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166 |
} |
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167 |
} else { |
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// not ready to stop the location trail, TrailStarted the timer. |
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169 |
if (!mPendingStopTrailSession) { |
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mPendingStopTrailSession = closeSession; |
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|
171 |
} |
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172 |
mStopLocationTrailTimer.start(STOP_TRAIL_INTERVAL); |
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|
173 |
} |
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|
174 |
|
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175 |
#endif |
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|
176 |
|
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177 |
CX_DEBUG_EXIT_FUNCTION(); |
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178 |
} |
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|
179 |
|
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180 |
|
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|
181 |
|
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182 |
/*! |
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183 |
* Checking possible stillcapturecontrol/videocapturecontrol states for stopping |
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184 |
* location trail. |
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185 |
*/ |
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186 |
bool CxeGeoTaggingTrailPrivate::canStopTrail() const |
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187 |
{ |
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188 |
// checking still capture control states |
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189 |
bool ok = mStillCaptureControl.state() != CxeStillCaptureControl::Capturing; |
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|
190 |
|
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191 |
// Still side OK, checking video capture control states |
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192 |
if (ok) { |
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193 |
ok = (mVideoCaptureControl.state() != CxeVideoCaptureControl::Recording && |
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|
194 |
mVideoCaptureControl.state() != CxeVideoCaptureControl::Paused && |
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195 |
mVideoCaptureControl.state() != CxeVideoCaptureControl::Stopping); |
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|
196 |
} |
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|
197 |
|
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198 |
return ok; |
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199 |
} |
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|
200 |
|
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|
201 |
|
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|
202 |
|
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203 |
/*! |
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204 |
* Slot that is called when timer timeout signal is triggered. We track this to do pending |
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205 |
* stopping of location trail. |
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206 |
*/ |
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207 |
void CxeGeoTaggingTrailPrivate::timeout() |
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208 |
{ |
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209 |
CX_DEBUG_ENTER_FUNCTION(); |
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210 |
|
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211 |
// stop the pending location trail utility |
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212 |
stop(mPendingStopTrailSession); |
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|
213 |
|
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214 |
CX_DEBUG_EXIT_FUNCTION(); |
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} |
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/*! |
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* Handle new setting value. |
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* Check if the geotagging setting has changed. |
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*/ |
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void CxeGeoTaggingTrailPrivate::handleSettingValueChanged(const QString& settingId, QVariant newValue) |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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if (settingId == CxeSettingIds::GEOTAGGING) { |
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if (newValue.toInt() == Cxe::GeoTaggingOn) { |
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// setting is turned ON, start location trail |
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start(); |
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} else { |
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// setting is turned OFF, stopping location trail |
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stop(); |
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} |
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} else if (settingId == CxeSettingIds::GEOTAGGING_DISCLAIMER) { |
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if (newValue.toInt() == Cxe::GeoTaggingDisclaimerDisabled) { |
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// geotagging disclaimer is diabled, we can start location trail. |
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start(); |
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} |
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} |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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/*! |
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* Handle new setting value. |
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* Check if the geotagging setting has changed. |
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*/ |
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void CxeGeoTaggingTrailPrivate::handleGeoTaggingPropertyEvent(long int uid, |
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unsigned long int key, |
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QVariant value) |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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#if defined(Q_OS_SYMBIAN) |
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if (uid == KPSUidLocationTrail.iUid && key == KLocationTrailState) { |
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CX_DEBUG(("Location trail: new state = %d ", value.toInt())); |
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RLocationTrail::TTrailState newState = |
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static_cast<RLocationTrail::TTrailState>(value.toInt()); |
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if (newState == RLocationTrail::ETrailStarted) { |
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CX_DEBUG(("CxeGeoTaggingTrail <> location trail started, data available.")); |
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setState(CxeGeoTaggingTrail::DataAvailable); |
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} else { |
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// ignoring all other state changes. |
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} |
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} |
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#endif |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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/*! |
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Returns current state of Location trail |
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*/ |
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CxeGeoTaggingTrail::State CxeGeoTaggingTrailPrivate::state() const |
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{ |
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return static_cast<CxeGeoTaggingTrail::State> (stateId()); |
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} |
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|
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/*! |
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* slot called when state is changed. |
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*/ |
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void CxeGeoTaggingTrailPrivate::handleStateChanged(int newStateId, CxeError::Id error) |
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{ |
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emit stateChanged(static_cast<CxeGeoTaggingTrail::State> (newStateId), error); |
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} |
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|
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/*! |
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* Initialize states for geotaggingtrail |
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*/ |
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void CxeGeoTaggingTrailPrivate::initializeStates() |
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{ |
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// addState( id, name, allowed next states ) |
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addState(new CxeState(CxeGeoTaggingTrail::NotConnected, "NotConnected", CxeGeoTaggingTrail::Connected)); |
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|
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addState(new CxeState(CxeGeoTaggingTrail::Connected, "Connected", CxeGeoTaggingTrail::TrailStarted | |
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CxeGeoTaggingTrail::NotConnected)); |
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|
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addState(new CxeState(CxeGeoTaggingTrail::TrailStarted, "TrailStarted", CxeGeoTaggingTrail::DataAvailable | |
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CxeGeoTaggingTrail::Connected | |
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CxeGeoTaggingTrail::NotConnected)); |
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|
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addState(new CxeState(CxeGeoTaggingTrail::DataAvailable, "DataAvailable", CxeGeoTaggingTrail::Connected | |
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CxeGeoTaggingTrail::NotConnected)); |
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|
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setInitialState(CxeGeoTaggingTrail::NotConnected); |
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} |
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Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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