1 /* |
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2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include "cxutils.h" |
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19 #include "cxestate.h" |
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20 #include "cxesettings.h" |
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21 #include "cxenamespace.h" |
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22 #include "cxestillcapturecontrol.h" |
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23 #include "cxevideocapturecontrol.h" |
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24 #include "cxegeotaggingtrail_desktop_p.h" |
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25 |
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26 |
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27 namespace |
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28 { |
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29 // in milliseconds |
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30 const int STOP_TRAIL_INTERVAL = 10*1000; |
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31 } |
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32 |
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33 |
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34 /*! |
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35 * Constructor |
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36 */ |
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37 CxeGeoTaggingTrailPrivate::CxeGeoTaggingTrailPrivate(CxeStillCaptureControl &stillControl, |
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38 CxeVideoCaptureControl &videoControl, |
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39 CxeSettings &settings) |
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40 : CxeStateMachine("CxeGeoTaggingTrailPrivate"), |
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41 mSettings(settings) |
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42 { |
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43 CX_DEBUG_ENTER_FUNCTION(); |
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44 Q_UNUSED(stillControl); |
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45 Q_UNUSED(videoControl); |
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46 |
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47 qRegisterMetaType<CxeGeoTaggingTrail::State>(); |
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48 initializeStates(); |
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49 |
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50 connect(&mSettings, SIGNAL(settingValueChanged(const QString&,QVariant)), |
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51 this, SLOT(handleSettingValueChanged(const QString&,QVariant))); |
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52 |
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53 CX_DEBUG_EXIT_FUNCTION(); |
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54 } |
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55 |
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56 /*! |
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57 * Destructor |
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58 */ |
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59 CxeGeoTaggingTrailPrivate::~CxeGeoTaggingTrailPrivate() |
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60 { |
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61 CX_DEBUG_ENTER_FUNCTION(); |
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62 |
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63 // stop trail and close location utility session |
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64 stop(true); |
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65 |
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66 CX_DEBUG_EXIT_FUNCTION(); |
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67 } |
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68 |
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69 /*! |
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70 * Start location trail. |
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71 */ |
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72 void CxeGeoTaggingTrailPrivate::start() |
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73 { |
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74 CX_DEBUG_ENTER_FUNCTION(); |
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75 |
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76 setState(CxeGeoTaggingTrail::Connected); |
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77 setState(CxeGeoTaggingTrail::TrailStarted); |
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78 |
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79 CX_DEBUG_EXIT_FUNCTION(); |
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80 } |
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81 |
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82 /*! |
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83 * Stop location trail. |
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84 * @ param closeSession, indicates if we are willing to close the location utility session. |
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85 */ |
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86 void CxeGeoTaggingTrailPrivate::stop(bool closeSession) |
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87 { |
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88 CX_DEBUG_ENTER_FUNCTION(); |
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89 |
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90 setState(CxeGeoTaggingTrail::NotConnected); |
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91 |
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92 CX_DEBUG_EXIT_FUNCTION(); |
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93 } |
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94 |
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95 /*! |
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96 * Handle new setting value. |
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97 * Check if the geotagging setting has changed. |
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98 */ |
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99 void CxeGeoTaggingTrailPrivate::handleSettingValueChanged(const QString& settingId, QVariant newValue) |
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100 { |
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101 CX_DEBUG_ENTER_FUNCTION(); |
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102 |
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103 if (settingId == CxeSettingIds::GEOTAGGING) { |
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104 if (newValue.toInt() == Cxe::GeoTaggingOn) { |
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105 // setting is turned ON, start location trail |
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106 start(); |
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107 } else { |
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108 // setting is turned OFF, stopping location trail |
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109 stop(); |
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110 } |
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111 } else if (settingId == CxeSettingIds::GEOTAGGING_DISCLAIMER) { |
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112 if (newValue.toInt() == Cxe::GeoTaggingDisclaimerDisabled) { |
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113 // geotagging disclaimer is diabled, we can start location trail. |
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114 start(); |
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115 } |
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116 } |
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117 |
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118 CX_DEBUG_EXIT_FUNCTION(); |
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119 } |
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120 |
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121 /*! |
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122 Returns current state of Location trail |
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123 */ |
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124 CxeGeoTaggingTrail::State CxeGeoTaggingTrailPrivate::state() const |
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125 { |
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126 return static_cast<CxeGeoTaggingTrail::State> (stateId()); |
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127 } |
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128 |
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129 /*! |
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130 * slot called when state is changed. |
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131 */ |
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132 void CxeGeoTaggingTrailPrivate::handleStateChanged(int newStateId, CxeError::Id error) |
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133 { |
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134 emit stateChanged(static_cast<CxeGeoTaggingTrail::State> (newStateId), error); |
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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 * Initialize states for geotaggingtrail |
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140 */ |
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141 void CxeGeoTaggingTrailPrivate::initializeStates() |
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142 { |
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143 // addState( id, name, allowed next states ) |
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144 addState(new CxeState(CxeGeoTaggingTrail::NotConnected, "NotConnected", CxeGeoTaggingTrail::Connected)); |
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145 |
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146 addState(new CxeState(CxeGeoTaggingTrail::Connected, "Connected", CxeGeoTaggingTrail::TrailStarted | |
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147 CxeGeoTaggingTrail::NotConnected)); |
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148 |
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149 addState(new CxeState(CxeGeoTaggingTrail::TrailStarted, "TrailStarted", CxeGeoTaggingTrail::DataAvailable | |
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150 CxeGeoTaggingTrail::Connected | |
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151 CxeGeoTaggingTrail::NotConnected)); |
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152 |
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153 addState(new CxeState(CxeGeoTaggingTrail::DataAvailable, "DataAvailable", CxeGeoTaggingTrail::Connected | |
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154 CxeGeoTaggingTrail::NotConnected)); |
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155 |
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156 |
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157 setInitialState(CxeGeoTaggingTrail::NotConnected); |
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158 } |
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159 |
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160 // end of file |
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