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1 |
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2 /* |
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3 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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4 * All rights reserved. |
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5 * This component and the accompanying materials are made available |
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6 * under the terms of "Eclipse Public License v1.0" |
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7 * which accompanies this distribution, and is available |
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8 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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9 * |
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10 * Initial Contributors: |
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11 * Nokia Corporation - initial contribution. |
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12 * |
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13 * Contributors: |
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14 * |
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15 * Description: Implementation of the GPS time updater |
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16 * |
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17 */ |
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18 |
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19 // INCLUDE FILES |
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20 #include <e32base.h> |
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21 #include <e32debug.h> |
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22 #include "GPSTimeUpdater.h" |
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23 #include "DRMClock.h" |
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24 #include "drmlog.h" |
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25 |
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26 |
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27 _LIT(KDRMClockServerName, "DRMClockServer"); |
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28 |
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29 // ============================ MEMBER FUNCTIONS =============================== |
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30 |
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31 |
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32 // ----------------------------------------------------------------------------- |
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33 // CGPSTimeUpdater::CGPSTimeUpdater |
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34 // C++ default constructor can NOT contain any code, that |
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35 // might leave. |
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36 // ----------------------------------------------------------------------------- |
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37 // |
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38 CGPSTimeUpdater::CGPSTimeUpdater( RPositionServer &aPosServer, |
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39 const TPositionModuleId& aModuleId, |
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40 CDRMClock* aClock ) : |
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41 CActive(EPriorityHigh), |
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42 iPosServer(aPosServer), |
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43 iModuleId(aModuleId), |
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44 iClock( aClock ), |
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45 iTimeReceived( EFalse ) |
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46 { |
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47 CActiveScheduler::Add(this); |
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48 } |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CGPSTimeUpdater::~CGPSTimeUpdater |
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52 // C++ destructor |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 CGPSTimeUpdater::~CGPSTimeUpdater() |
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56 { |
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57 DRMLOG(_L("CGPSTimeUpdater::~CGPSTimeUpdater")); |
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58 Cancel(); |
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59 |
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60 iPositioner.Close(); |
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61 } |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // CGPSTimeUpdater::New |
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65 // Two-phased constructor |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 CGPSTimeUpdater* CGPSTimeUpdater::New( RPositionServer &aPosServer, |
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69 const TPositionModuleId& aModuleId, |
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70 CDRMClock* aClock ) |
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71 { |
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72 CGPSTimeUpdater* self = new CGPSTimeUpdater(aPosServer, aModuleId, aClock); |
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73 if(self) |
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74 { |
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75 TRAPD(err, self->ConstructL()); |
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76 if(err!=KErrNone) |
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77 { |
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78 delete self; |
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79 self = 0; |
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80 } |
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81 } |
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82 return self; |
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83 } |
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84 |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // CGPSTimeUpdater::ConstructL |
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88 // Symbian 2nd phase constructor can leave. |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 void CGPSTimeUpdater::ConstructL() |
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92 { |
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93 DRMLOG(_L("CGPSTimeUpdater::ConstructL >>")); |
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94 |
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95 // Open positioner |
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96 User::LeaveIfError(iPositioner.Open(iPosServer, iModuleId)); |
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97 User::LeaveIfError(iPositioner.SetRequestor(CRequestor::ERequestorService, |
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98 CRequestor::EFormatApplication, |
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99 KDRMClockServerName)); |
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100 |
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101 // Set update options |
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102 TPositionUpdateOptions updateOptions; |
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103 updateOptions.SetAcceptPartialUpdates(ETrue); |
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104 updateOptions.SetMaxUpdateAge(0); |
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105 updateOptions.SetUpdateInterval(TTimeIntervalMicroSeconds(0)); |
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106 updateOptions.SetUpdateTimeOut(TTimeIntervalMicroSeconds(30*1000*1000)); |
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107 User::LeaveIfError(iPositioner.SetUpdateOptions(updateOptions)); |
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108 |
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109 // Request position update |
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110 iPositioner.NotifyPositionUpdate(iSatelliteInfo, iStatus); |
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111 SetActive(); |
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112 |
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113 DRMLOG(_L("CGPSTimeUpdater::ConstructL <<")); |
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114 } |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 // CGPSTimeUpdater::RunL |
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118 // Inherited from CActive |
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119 // ----------------------------------------------------------------------------- |
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120 // |
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121 void CGPSTimeUpdater::RunL() |
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122 { |
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123 DRMLOG(_L("CGPSTimeUpdater::RunL >>")); |
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124 |
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125 DRMLOG2(_L("CGPSTimeUpdater::RunL: iStatus=%d"), iStatus.Int()); |
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126 |
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127 if( iStatus == KErrNone || iStatus == KPositionPartialUpdate ) |
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128 { |
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129 DRMLOG(_L("CGPSTimeUpdater::RunL: position updated!")); |
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130 |
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131 DRMLOG2(_L("CGPSTimeUpdater::RunL: satellites used = %d"), iSatelliteInfo.NumSatellitesUsed()); |
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132 TTime satelliteTime = iSatelliteInfo.SatelliteTime(); |
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133 |
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134 TDateTime dt = satelliteTime.DateTime(); |
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135 DRMLOG7(_L("CGPSTimeUpdater::RunL: satellite time = %02d-%02d-%04d, %02d:%02d:%02d"), dt.Day(), dt.Month(), dt.Year(), dt.Hour(), dt.Minute(), dt.Second()); |
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136 |
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137 // If the time has not been received yet this function will leave and we re-issue the request from run error: |
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138 iClock->ResetSecureTimeL( satelliteTime, 0 ); |
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139 |
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140 // Mark time as received |
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141 iTimeReceived = ETrue; |
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142 } |
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143 |
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144 // if the call timed out try again |
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145 if( iStatus == KErrTimedOut ) |
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146 { |
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147 // Request position update |
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148 iPositioner.NotifyPositionUpdate(iSatelliteInfo, iStatus); |
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149 SetActive(); |
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150 } |
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151 else |
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152 { |
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153 iPositioner.Close(); |
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154 } |
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155 |
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156 DRMLOG(_L("CGPSTimeUpdater::RunL <<")); |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CGPSTimeUpdater::DoCancel |
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161 // Inherited from CActive |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 void CGPSTimeUpdater::DoCancel() |
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165 { |
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166 iPositioner.CancelRequest(EPositionerNotifyPositionUpdate); |
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167 } |
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168 |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CGPSTimeUpdater::RunError |
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172 // Inherited from CActive |
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173 // ----------------------------------------------------------------------------- |
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174 // |
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175 TInt CGPSTimeUpdater::RunError( TInt /*aError*/ ) |
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176 { |
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177 // Time received was invalid, wait for more updates |
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178 iPositioner.NotifyPositionUpdate(iSatelliteInfo, iStatus); |
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179 SetActive(); |
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180 |
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181 // ignore errors |
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182 return KErrNone; |
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183 } |