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1 /* |
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2 * Copyright (c) 2007 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: This is SUPL PSY Positioning Plug-in ( PSY ) |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include <e32std.h> |
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22 #include <centralrepository.h> |
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23 #include <implementationproxy.h> // TImplementationProxy |
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24 #include <lbspositioninfo.h> // TPositionInfoBase |
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25 |
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26 #include "suplpsypositioner.h" |
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27 #include "suplpsycrkeys.h" |
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28 #include "suplpsyrequestmanager.h" |
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29 #include "suplpsygenericinfouser.h" |
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30 #include "suplpsylogging.h" |
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31 #include "suplpsypanic.h" |
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32 #include "suplpsy.hrh" |
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33 |
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34 |
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35 // LOCAL CONSTANTS AND MACROS |
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36 const TImplementationProxy KFactoryPtr = |
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37 IMPLEMENTATION_PROXY_ENTRY( KSuplPsyImplUid, CSuplPsyPositioner::NewL ); |
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38 |
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39 // ========================= == == LOCAL FUNCTIONS =============================== |
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40 |
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41 // Following function is required by Positioning Plug-in API at ordinal 1. |
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42 |
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43 EXPORT_C const TImplementationProxy* ImplementationGroupProxy( |
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44 TInt& aTableCount ) |
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45 { |
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46 aTableCount = 1; |
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47 return &KFactoryPtr; |
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48 } |
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49 |
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50 // ======================== == == MEMBER FUNCTIONS =============================== |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // CSuplPsyPositioner::CSuplPsyPositioner |
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54 // C++default constructor can NOT contain any code, that |
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55 // might leave. |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 CSuplPsyPositioner::CSuplPsyPositioner() |
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59 { |
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60 // Nothing to do here |
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61 } |
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62 |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // CSuplPsyPositioner::ConstructL |
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66 // Symbian 2nd phase constructor can leave. |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 void CSuplPsyPositioner::ConstructL( TAny* aConstructionParameters ) |
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70 { |
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71 TRACESTRING( "CSuplPsyPositioner::ConstructL start" ) |
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72 // Calling BaseConstructL is required by Positioning Plug-in API. |
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73 BaseConstructL( aConstructionParameters ); |
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74 |
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75 // Get instance of request manager, and register to it |
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76 iRequestManager = CSuplPsyRequestManager::RegisterL( *this ); |
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77 |
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78 CRepository *repository = CRepository::NewL(KCRUidSuplPsy); |
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79 |
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80 TInt keyValue; |
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81 |
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82 TInt ret = repository->Get(KSuplPsyAllowedAccuracy, keyValue); |
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83 |
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84 if (ret == KErrNone) |
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85 { |
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86 if (keyValue <= 0) |
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87 { |
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88 TRACESTRING( "CSuplPsyPositioner::ConstructL, invalid value in the configuration " ) |
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89 iAllowedAccr = 0; |
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90 } |
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91 else |
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92 iAllowedAccr = keyValue; |
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93 } |
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94 else |
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95 iAllowedAccr = 0; |
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96 |
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97 |
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98 delete repository; |
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99 repository = NULL; |
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100 TRACESTRING( "CSuplPsyPositioner::ConstructL end" ) |
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101 } |
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102 |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CSuplPsyPositioner::NewL |
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106 // Two - phased constructor. |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 CSuplPsyPositioner* CSuplPsyPositioner::NewL( TAny* aConstructionParameters ) |
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110 { |
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111 CSuplPsyPositioner* self = new( ELeave ) CSuplPsyPositioner; |
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112 |
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113 CleanupStack::PushL( self ); |
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114 self->ConstructL( aConstructionParameters ); |
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115 CleanupStack::Pop( self ); |
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116 |
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117 return self; |
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118 } |
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119 |
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120 |
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121 // ----------------------------------------------------------------------------- |
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122 // CSuplPsyPositioner::~CSuplPsyPositioner |
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123 // Destructor |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 CSuplPsyPositioner::~CSuplPsyPositioner() |
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127 { |
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128 // Unregister to request manager |
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129 if ( iRequestManager != NULL ) |
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130 { |
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131 iRequestManager->Unregister( *this ); |
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132 } |
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133 TRACESTRING( "CSuplPsyPositioner:: destructed" ) |
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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 // CSuplPsyPositioner::NotifyPositionUpdate |
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139 // |
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140 // ----------------------------------------------------------------------------- |
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141 // |
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142 void CSuplPsyPositioner::NotifyPositionUpdate ( |
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143 TPositionInfoBase& aPosInfo, |
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144 TRequestStatus& aStatus ) |
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145 { |
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146 TRACESTRING( "CSuplPsyPositioner::NotifyPositionUpdate start" ) |
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147 |
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148 //Supl psy will not handle simultaneous location request |
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149 if ( iRequestStatus != NULL ) |
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150 { |
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151 Panic( EPanicPositionRequestOngoing ); |
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152 } |
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153 |
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154 aStatus = KRequestPending; |
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155 |
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156 //Clear position info data |
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157 if ( ClearPositionInfoData( aPosInfo ) != KErrNone ) |
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158 { |
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159 TRequestStatus* status = &aStatus; |
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160 User::RequestComplete( status, KErrArgument ); |
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161 } |
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162 |
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163 //Check maxAge |
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164 TPosition lastPos; |
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165 TTime maxAge; |
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166 GetMaxAge( maxAge ); |
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167 iRequestManager->RecieveMaxAge( maxAge ); |
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168 |
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169 //Issue location request to request manager |
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170 iRequestManager->NotifyPositionUpdate( *this ); |
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171 iRequestStatus = &aStatus; |
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172 iPositionInfo = &aPosInfo; |
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173 TRACESTRING( "CSuplPsyPositioner::NotifyPositionUpdate end" ) |
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174 } |
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175 |
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176 |
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177 // ----------------------------------------------------------------------------- |
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178 // CSuplPsyPositioner::CancelNotifyPositionUpdate |
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179 // |
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180 // ----------------------------------------------------------------------------- |
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181 // |
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182 void CSuplPsyPositioner::CancelNotifyPositionUpdate () |
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183 { |
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184 TRACESTRING( "CSuplPsyPositioner::CancelNotifyPositionUpdate start" ) |
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185 if ( iRequestStatus != NULL ) |
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186 { |
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187 iRequestManager->CancelNotifyPositionUpdate( *this ); |
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188 User::RequestComplete( iRequestStatus, KErrCancel ); |
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189 } |
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190 TRACESTRING( "CSuplPsyPositioner::CancelNotifyPositionUpdate end" ) |
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191 } |
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192 |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // CSuplPsyPositioner::RequestComplete |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 TBool CSuplPsyPositioner::RequestComplete( |
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199 TInt aErr, |
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200 const HPositionGenericInfo& aPosInfo ) |
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201 { |
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202 TInt err = aErr; |
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203 if ( err == KErrNone ) |
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204 { |
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205 //Fill position info |
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206 err = FillPositionInfoData( aPosInfo, *iPositionInfo ); |
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207 } |
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208 |
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209 //Complete the request with err code |
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210 User::RequestComplete( iRequestStatus, err ); |
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211 return ETrue; |
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212 } |
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213 |
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214 // ----------------------------------------------------------------------------- |
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215 // CSuplPsyPositioner::ClearPositionInfoData |
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216 // ----------------------------------------------------------------------------- |
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217 // |
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218 TInt CSuplPsyPositioner::ClearPositionInfoData( |
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219 TPositionInfoBase& aPosInfo ) |
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220 { |
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221 TInt err( KErrNone ); |
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222 TInt classType = aPosInfo.PositionClassType(); |
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223 if ( classType & EPositionSatelliteInfoClass ) |
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224 { |
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225 err = KErrNotSupported; |
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226 } |
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227 else if ( classType & EPositionCourseInfoClass ) |
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228 { |
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229 err = KErrNotSupported; |
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230 } |
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231 else if ( classType & EPositionGenericInfoClass ) |
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232 { |
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233 // HPositionGenericInfo |
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234 HPositionGenericInfo* genInfo = |
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235 static_cast < HPositionGenericInfo*> ( &aPosInfo ); |
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236 |
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237 genInfo->ClearPositionData(); |
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238 } |
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239 else if ( classType & EPositionInfoClass ) |
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240 { |
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241 // TPositionInfo |
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242 ( void ) new ( &aPosInfo ) ( TPositionInfo ); |
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243 } |
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244 else |
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245 { |
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246 // Unknown type, this should never happen |
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247 // -->Panic if we get here |
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248 Panic( EPanicUnknownPositioningClass ); |
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249 } |
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250 |
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251 aPosInfo.SetModuleId( ImplementationUid() ); |
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252 return err; |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CSuplPsyPositioner::FillPositionInfoData |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 TInt CSuplPsyPositioner::FillPositionInfoData( |
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260 const HPositionGenericInfo& aSrcPosInfo, |
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261 TPositionInfoBase& aDesPosInfo ) |
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262 { |
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263 |
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264 TInt err( KErrNone ); |
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265 TInt classType = aDesPosInfo.PositionClassType(); |
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266 if ( classType & EPositionSatelliteInfoClass ) |
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267 { |
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268 err = KErrNotSupported; |
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269 } |
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270 else if ( classType & EPositionCourseInfoClass ) |
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271 { |
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272 err = KErrNotSupported; |
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273 } |
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274 else if ( classType & EPositionGenericInfoClass ) |
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275 { |
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276 // HPositionGenericInfo |
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277 HPositionGenericInfo* genInfo = |
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278 static_cast < HPositionGenericInfo*> ( &aDesPosInfo ); |
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279 |
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280 if (iAllowedAccr > 0) |
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281 { |
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282 TPosition position; |
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283 aSrcPosInfo.GetPosition( position ); |
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284 TReal32 hAcc = position.HorizontalAccuracy(); |
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285 if (hAcc > 0 && hAcc > iAllowedAccr) |
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286 return KErrGeneral; |
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287 } |
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288 err = SuplPsyGenericInfoUser::CopyHGenericInfo( aSrcPosInfo, *genInfo ); |
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289 } |
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290 else if ( classType & EPositionInfoClass ) |
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291 { |
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292 // TPositionInfo |
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293 TPosition position; |
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294 aSrcPosInfo.GetPosition( position ); |
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295 |
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296 if (iAllowedAccr > 0) |
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297 { |
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298 TReal32 hAcc = position.HorizontalAccuracy(); |
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299 if (hAcc > 0 && hAcc > iAllowedAccr) |
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300 return KErrGeneral; |
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301 } |
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302 |
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303 ( reinterpret_cast < TPositionInfo&>( aDesPosInfo ) ).SetPosition( position ); |
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304 } |
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305 else |
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306 { |
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307 // Unknown type, this should never happen |
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308 // -->Panic if we get here |
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309 Panic( EPanicUnknownPositioningClass ); |
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310 } |
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311 |
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312 return err; |
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313 } |
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314 |
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315 |
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316 // End of File |