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1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @InternalComponent |
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19 */ |
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20 |
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21 #include <e32base.h> |
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22 #include <lbs/epos_mpositionerstatus.h> |
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23 #include <ecom/implementationproxy.h> |
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24 #include <lbssatellite.h> |
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25 #include <lbs/lbsadmin.h> |
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26 |
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27 #include "cagpspositioner.h" |
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28 #include "agpspsy.hrh" |
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29 #include "agpspsypanic.h" |
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30 #include "cpositionerq.h" |
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31 #include "crequesthandler.h" |
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32 #include "cagpsenvironment.h" |
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33 #include "utilfunctions.h" |
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34 #include "tagpsrequestparameters.h" |
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35 #include "agpsrequestconstants.h" |
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36 #include "psylogging.h" |
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37 #include "psypanic.h" |
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38 |
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39 /* |
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40 * |
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41 */ |
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42 CAgpsPositioner::CAgpsPositioner() |
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43 { |
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44 iState = ERequestStateInitial; |
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45 iTerminalAssisted = EFalse; |
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46 } |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // Destructor |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CAgpsPositioner::~CAgpsPositioner() |
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53 { |
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54 TRACESTRING("CAgpsPositioner::~CAgpsPositioner") |
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55 |
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56 if(iEnvironment) |
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57 { |
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58 iEnvironment->UnregisterPSY(this); |
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59 } |
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60 |
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61 iNetRegStatus.Close(); |
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62 } |
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63 |
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64 /** |
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65 * Creates a new instance of a CPositioner implementation. |
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66 * |
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67 * @param aConstructionParameters Construction parameters for CPositioner. |
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68 * @return The positioner implementation. |
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69 */ |
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70 CAgpsPositioner* CAgpsPositioner::NewL(TAny* aConstructionParameters) |
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71 { |
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72 CAgpsPositioner* self = new( ELeave ) CAgpsPositioner; |
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73 |
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74 CleanupStack::PushL( self ); |
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75 self->ConstructL(aConstructionParameters); |
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76 CleanupStack::Pop(self); |
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77 |
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78 return self; |
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79 } |
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80 |
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81 /** |
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82 * 2nd phase constructor |
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83 * |
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84 * @param aConstructionParameters Construction parameters for CPositioner. |
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85 */ |
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86 void CAgpsPositioner::ConstructL(TAny* aConstructionParameters) |
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87 { |
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88 TRACESTRING("CAgpsPositioner::ConstructL") |
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89 |
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90 // Must call BaseConstructL first thing during construction. |
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91 BaseConstructL(aConstructionParameters); |
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92 |
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93 iEnvironment = CAgpsEnvironment::NewL(); |
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94 iEnvironment->RegisterPSYL(this); |
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95 iEnvironment->GetEnvCriteriaL(iCriteria, TUid::Uid(KPosAGPSPSYImplUid)); |
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96 iInactivityTimeout = iEnvironment->GetInactivityTimeoutL(TUid::Uid(KPosAGPSPSYImplUid)); |
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97 iRequestHandler = iEnvironment->GetRequestHandler(); |
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98 |
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99 // Get the request timeout from the LS: |
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100 if(iEnvironment->ProfileInUse()) // default timeout was taken from profile, so let LS know |
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101 { |
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102 TPositionQuality quality; |
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103 iCriteria.GetRequiredQuality(quality); |
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104 iTimeOutInterval = quality.TimeToFirstFix(); |
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105 SetPsyDefaultUpdateTimeOut(iTimeOutInterval); |
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106 } |
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107 |
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108 iNetRegStatus.OpenL(); |
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109 } |
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110 |
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111 /** |
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112 * Initiate a tracking session. |
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113 * |
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114 * @param aInterval Interval for position requests. |
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115 */ |
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116 void CAgpsPositioner::StartTrackingL(const TTimeIntervalMicroSeconds& aInterval) |
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117 { |
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118 TRACESTRING2("CAdaptationPositioner::StartTrackingL, interval = %d", aInterval) |
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119 |
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120 TTime timeNow; |
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121 |
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122 TTime trackingTime = LbsTimerUtils::AddUpInt64TimersWithOverflowCheck(iTargetTime, aInterval); |
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123 timeNow.UniversalTime(); |
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124 |
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125 iTrackingInterval = aInterval; |
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126 |
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127 if(! (trackingTime < timeNow)) // if this is not a default proxy call to StartTracking |
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128 { |
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129 TRACESTRING("Non-DefProxy Start") |
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130 SetupTrackingRequestL(); |
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131 SetAGPSMode(); |
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132 iRequestHandler->SubmitNewRequestL(this); |
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133 } |
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134 } |
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135 |
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136 /** |
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137 * Requests position info asynchronously. |
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138 * |
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139 * @param aPosInfo A reference to a position info object. This object |
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140 * must be in scope until the request has completed. |
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141 * The position (TPosition) of this position info object |
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142 * must be in WGS84 geodetic datum. |
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143 * @param aClientStatus The request status |
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144 * |
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145 */ |
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146 void CAgpsPositioner::NotifyPositionUpdate(TPositionInfoBase& aPosInfo, TRequestStatus& aClientStatus) |
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147 { |
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148 TRACESTRING("CAdaptationPositioner::NotifyPositionUpdate") |
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149 |
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150 // we're about to submit a new request, so stop warmdown timer if running: |
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151 StopMaxFixTimer(); |
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152 StopWarmDownTimer(); |
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153 |
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154 // Clear position info |
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155 ClearPositionInfo(aPosInfo); |
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156 |
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157 aClientStatus = KRequestPending; |
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158 iPosInfo = &aPosInfo; |
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159 iClientStatus = &aClientStatus; |
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160 |
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161 if(!UseLastLocation(aPosInfo)) // Attempt to complete the client immediately with an old position |
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162 { |
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163 TTime timeNow; |
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164 timeNow.UniversalTime(); |
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165 iActive = ETrue; |
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166 |
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167 GetUpdateTimeOut(iTimeOutInterval); |
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168 |
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169 TDateTime debugTime = timeNow.DateTime(); |
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170 TRACESTRING38("Time Now = %d.%d", debugTime.Second(), debugTime.MicroSecond()); |
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171 |
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172 // Add on the lag time |
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173 if(iTerminalAssisted) |
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174 { |
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175 CAgpsEnvironment* agpsEnvironment = static_cast<CAgpsEnvironment*>(iEnvironment); |
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176 ExtendUpdateTimeOut(agpsEnvironment->GetFinalNetPositionLag()); |
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177 } |
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178 |
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179 if( !IsTracking() || |
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180 (IsTracking() && (iTargetTime <= timeNow)) ) |
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181 { |
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182 iTargetTime.UniversalTime(); |
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183 TRACESTRING("CAdaptationPositioner::NotifyPositionUpdate submitting new request") |
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184 |
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185 SetAGPSMode(); |
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186 |
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187 // (re)start maxfix timer so that we know when the module has stopped trying |
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188 TRAPD(error,StartMaxFixTimerL()); |
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189 if(!error) |
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190 { |
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191 TRAP(error, iRequestHandler->SubmitNewRequestL(this)); |
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192 } |
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193 if(error) |
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194 { |
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195 UpdateFailed(error); |
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196 } |
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197 } |
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198 |
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199 debugTime = iTargetTime.DateTime(); |
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200 TRACESTRING38("Target Time = %d.%d", debugTime.Second(), debugTime.MicroSecond()); |
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201 } |
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202 } |
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203 |
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204 |
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205 void CAgpsPositioner::SetModuleId(TPositionInfoBase* aPosInfo) |
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206 { |
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207 if(aPosInfo) |
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208 { |
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209 aPosInfo->SetModuleId(TUid::Uid(KPosAGPSPSYImplUid)); // Use the PSY module Id rather than the AGPS managers |
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210 } |
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211 } |
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212 |
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213 const TRequestParameters* CAgpsPositioner::PositionRequestParams() |
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214 { |
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215 TBool state = (iState == ERequestStateInitial); |
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216 |
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217 iRequestParameters.iTargetTime = iTargetTime; |
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218 iRequestParameters.iTimeForFix = iTimeOutInterval; |
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219 iRequestParameters.iCriteria = iCriteria; |
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220 iRequestParameters.iNewClient = state; |
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221 iRequestParameters.iTracking = IsTracking(); |
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222 iRequestParameters.iAGPSMode = iAGPSMode; |
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223 |
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224 return &iRequestParameters; |
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225 } |
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226 |
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227 /** |
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228 * Checks for a transition into TA mode and extends the max fix time to allow for |
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229 * the final network position arriving |
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230 * |
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231 * @param aMode The mode of the last update. |
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232 * |
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233 */ |
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234 void CAgpsPositioner::ModeUpdate(TUint aMode) |
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235 { |
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236 TRACESTRING("CPositionerSubSession::CheckMode()") |
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237 |
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238 if ( ((aMode & RLbsPositionUpdates::EGpsModeTerminalAssisted) == RLbsPositionUpdates::EGpsModeTerminalAssisted) |
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239 && !iTerminalAssisted ) |
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240 { |
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241 iTerminalAssisted = ETrue; |
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242 CAgpsEnvironment* agpsEnvironment = static_cast<CAgpsEnvironment*>(iEnvironment); |
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243 ExtendUpdateTimeOut(agpsEnvironment->GetFinalNetPositionLag()); |
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244 } |
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245 else if (((aMode & RLbsPositionUpdates::EGpsModeTerminalAssisted) != RLbsPositionUpdates::EGpsModeTerminalAssisted)) |
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246 { |
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247 iTerminalAssisted = EFalse; |
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248 } |
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249 } |
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250 |
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251 void CAgpsPositioner::SetAGPSMode() |
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252 { |
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253 TRACESTRING("CPositionerSubSession::GpsMode()") |
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254 |
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255 CLbsAdmin::TGpsMode mode = CLbsAdmin::EGpsModeUnknown; |
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256 iAGPSMode = KAutonomousMode; |
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257 |
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258 RLbsNetworkRegistrationStatus::TLbsNetworkRegistrationStatus netRegStatus(RLbsNetworkRegistrationStatus::ENetworkRegistrationUnknown); |
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259 |
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260 // Read the current network registration status |
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261 TInt err = iNetRegStatus.GetNetworkRegistrationStatus(netRegStatus); |
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262 |
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263 if (err == KErrNone) |
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264 { |
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265 // Read the admin setting |
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266 switch (netRegStatus) |
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267 { |
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268 case RLbsNetworkRegistrationStatus::ERegisteredHomeNetwork: |
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269 { |
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270 err = iEnvironment->Admin().Get(KLbsSettingHomeGpsMode, mode); |
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271 break; |
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272 } |
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273 case RLbsNetworkRegistrationStatus::ERegisteredRoamingNetwork: |
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274 case RLbsNetworkRegistrationStatus::ENotRegistered: |
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275 { |
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276 err = iEnvironment->Admin().Get(KLbsSettingRoamingGpsMode, mode); |
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277 break; |
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278 } |
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279 case RLbsNetworkRegistrationStatus::ENetworkRegistrationUnknown: |
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280 default: |
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281 { |
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282 TRACESTRING("Unrecognised TLbsNetworkRegistrationStatus") |
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283 break; |
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284 } |
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285 } |
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286 |
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287 // Convert to internal mode |
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288 switch (mode) |
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289 { |
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290 case CLbsAdmin::EGpsPreferTerminalBased: |
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291 case CLbsAdmin::EGpsAlwaysTerminalBased: |
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292 iAGPSMode = KTerminalBasedMode; |
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293 break; |
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294 |
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295 case CLbsAdmin::EGpsPreferTerminalAssisted: |
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296 case CLbsAdmin::EGpsAlwaysTerminalAssisted: |
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297 iAGPSMode = KTerminalAssistedMode; |
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298 break; |
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299 |
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300 case CLbsAdmin::EGpsModeUnknown: |
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301 __ASSERT_DEBUG(EFalse,User::Panic(KAdaptationPanicCategory, KErrArgument)); |
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302 break; |
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303 |
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304 case CLbsAdmin::EGpsAutonomous: |
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305 default: |
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306 iAGPSMode = KAutonomousMode; |
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307 break; |
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308 } |
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309 } |
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310 } |
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311 |
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312 // End of File |