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1 // Copyright (c) 2005-2009 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 // lbsnetsimassitancedataprovider.cpp |
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15 // |
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16 // |
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17 |
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18 #include "lbsnetsimassistancedataprovider.h" |
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19 #include <lbs/lbsassistancedatabuilderset.h> |
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20 #include <lbspositioninfo.h> |
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21 #include <lbs/lbslocdatasourcegpsbase.h> |
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22 #include "lbsdevloggermacros.h" |
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23 |
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24 /** |
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25 Standard Symbain OS constructor |
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26 */ |
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27 |
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28 CLbsNetSimAssistanceDataProvider* CLbsNetSimAssistanceDataProvider::NewL() |
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29 { |
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30 CLbsNetSimAssistanceDataProvider* self = new(ELeave) CLbsNetSimAssistanceDataProvider(); |
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31 CleanupStack::PushL(self); |
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32 self->ConstructL(); |
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33 CleanupStack::Pop(); |
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34 |
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35 return self; |
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36 } |
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37 |
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38 /** |
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39 Standard C++ constructor |
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40 */ |
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41 CLbsNetSimAssistanceDataProvider::CLbsNetSimAssistanceDataProvider() : |
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42 iObserver(NULL), iAssistanceDataUid(TUid::Uid(0)), iAssistanceModule(NULL), iAssistanceSource(NULL) |
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43 { |
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44 // Set default Quality(64s fix time, 100m accuracy) |
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45 iQuality.SetMaxFixTime(64*1000000); |
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46 iQuality.SetMinHorizontalAccuracy(100); |
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47 iQuality.SetMinVerticalAccuracy(100); |
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48 iReferenceLocation.SetCoordinate(0, 0); |
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49 } |
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50 |
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51 /** |
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52 Standard C++ destructor |
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53 */ |
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54 CLbsNetSimAssistanceDataProvider::~CLbsNetSimAssistanceDataProvider() |
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55 { |
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56 iAssistanceData.Close(); |
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57 delete iAssistanceSource; |
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58 delete iAssistanceModule; |
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59 } |
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60 |
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61 |
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62 /** |
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63 Standard Symbian OS second phase constructor |
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64 */ |
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65 void CLbsNetSimAssistanceDataProvider::ConstructL() |
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66 { |
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67 // Open the assistance data structure |
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68 iAssistanceData.OpenL(); |
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69 |
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70 // Load the default assistance data module to start with |
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71 iAssistanceModule = CAssistanceDataSourceModuleBase::NewL(*this); |
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72 /* Note: The assistance data source is not initialised here, due to issues with LbsRoot starting NetSim Up. |
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73 The initialisation of the Assistance Data Source takes place in SetAssistanceDataProvider() , which |
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74 should always be called before using NetSim.*/ |
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75 //iAssistanceSource = iAssistanceModule->NewDataSourceL(); |
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76 } |
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77 |
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78 /** |
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79 Sets the observer to use for callbacks |
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80 |
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81 @param aObserver the observer too use |
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82 */ |
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83 void CLbsNetSimAssistanceDataProvider::SetObserver(MLbsNetSimAssistanceDataProviderObserver* aObserver) |
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84 { |
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85 iObserver = aObserver; |
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86 } |
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87 |
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88 /** |
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89 Sets the reference location |
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90 |
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91 @param aReferenceLocation the reference location |
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92 @leave |
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93 */ |
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94 void CLbsNetSimAssistanceDataProvider::SetReferenceLocationL(TDesC8& /*aReferenceLocation*/) |
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95 { |
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96 User::Leave(KErrNotSupported); |
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97 } |
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98 |
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99 /** |
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100 Sets the reference location |
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101 |
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102 @param aReferenceLocation the reference location |
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103 */ |
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104 void CLbsNetSimAssistanceDataProvider::SetReferenceLocation(TPosition& aReferenceLocation) |
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105 { |
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106 iReferenceLocation = aReferenceLocation; |
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107 } |
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108 |
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109 |
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110 /** |
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111 */ |
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112 void CLbsNetSimAssistanceDataProvider::SetQuality(TLbsNetPosRequestQuality& aQuality) |
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113 { |
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114 iQuality = aQuality; |
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115 } |
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116 |
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117 /** |
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118 */ |
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119 TBool CLbsNetSimAssistanceDataProvider::SetAssistanceDataProvider(TUid aUid) |
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120 { |
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121 // Always reload the current plugin to make sure it's properly initialised |
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122 // Delete the old plugins if there's any |
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123 if (iAssistanceDataUid != aUid) |
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124 { |
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125 if (iAssistanceModule != NULL) |
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126 { |
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127 delete iAssistanceSource; |
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128 iAssistanceSource = NULL; |
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129 delete iAssistanceModule; |
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130 iAssistanceModule = NULL; |
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131 REComSession::FinalClose(); |
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132 } |
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133 |
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134 // Set the new plugin Uid |
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135 iAssistanceDataUid = aUid; |
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136 |
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137 // Load the new assistance module plugin |
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138 if (iAssistanceModule == NULL) |
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139 { |
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140 if (iAssistanceDataUid.iUid == 0) |
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141 { |
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142 iAssistanceModule = CAssistanceDataSourceModuleBase::NewL(*this); // Loads default |
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143 } |
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144 else |
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145 { |
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146 iAssistanceModule = CAssistanceDataSourceModuleBase::NewL(iAssistanceDataUid, *this); // Loads specified |
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147 } |
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148 |
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149 // Load the new assistance data source |
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150 iAssistanceSource = iAssistanceModule->NewDataSourceL(); |
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151 } |
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152 } |
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153 |
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154 return ETrue; |
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155 } |
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156 |
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157 /** |
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158 Clears the currently set reference locations |
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159 |
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160 @param aReferenceLocation the reference location |
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161 */ |
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162 void CLbsNetSimAssistanceDataProvider::ClearReferenceLocations() |
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163 { |
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164 } |
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165 |
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166 /** |
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167 Request the assitance data from the assitance data provider |
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168 |
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169 This method will fill in the supplied RLbsAssitanceDataBuilderSet and calls back MLbsNetSimAssitanceDataProviderObserver::ProcessAssitanceData |
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170 |
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171 @param aGroup the assitance data mask |
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172 @param aAssitanceData the assitance data structure to fill in |
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173 @return ETrue if an observer is set, otherwise EFalse |
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174 */ |
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175 TBool CLbsNetSimAssistanceDataProvider::RequestAssistanceDataL(TLbsAssistanceDataGroup& aGroup) |
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176 { |
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177 LBSLOG(ELogP1, "CLbsNetSimAssistanceDataProvider::RequestAssistanceDataL()"); |
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178 |
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179 ASSERT(iObserver != NULL); |
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180 |
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181 TBool bSuccess = EFalse; |
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182 |
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183 // Check we have an observer |
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184 if (iObserver != NULL) |
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185 { |
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186 LBSLOG2(ELogP2, "Requesting assistance data from provider, mask = 0x%x", aGroup); |
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187 iRequestedAssistanceDataGroup = aGroup; |
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188 iAssistanceSource->GetAssistanceData(iAssistanceData, |
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189 iRequestedAssistanceDataGroup, |
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190 iReferenceLocation); |
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191 } |
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192 |
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193 return bSuccess; |
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194 } |
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195 |
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196 |
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197 void CLbsNetSimAssistanceDataProvider::DataSourceNotification(const TInt& aError) |
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198 { |
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199 LBSLOG(ELogP1, "CLbsNetSimAssistanceDataProvider::DataSourceNotification()"); |
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200 |
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201 TPositionInfo positionInfo; |
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202 positionInfo.SetPosition(iReferenceLocation); |
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203 |
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204 TInt error = aError; |
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205 |
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206 // Check exactly what assistance data we got, if we didn't |
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207 // get any of the requested items then return an error. |
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208 TLbsAsistanceDataGroup mask; |
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209 CalculateValidAssistanceDataMask(iAssistanceData, mask); |
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210 if ((mask & iRequestedAssistanceDataGroup) == 0 |
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211 && error == KErrNone) |
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212 { |
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213 error = KErrAccessDenied; |
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214 } |
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215 |
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216 #ifdef ENABLE_LBS_DEV_LOGGER |
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217 TRAPD(err, iObserver->ProcessAssistanceDataL(error, iAssistanceData, positionInfo, iQuality)); |
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218 if (err != KErrNone) |
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219 { |
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220 LBSLOG2(ELogP3, "LEAVE from iObserver->ProcessAssistanceDataL: %d", err); |
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221 } |
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222 #else |
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223 TRAP_IGNORE(iObserver->ProcessAssistanceDataL(error, iAssistanceData, positionInfo, iQuality)); |
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224 #endif |
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225 } |
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226 |
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227 /** Generate a bitmask of the valid assistance data items for an assistance data builder set. |
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228 */ |
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229 void CLbsNetSimAssistanceDataProvider::CalculateValidAssistanceDataMask( |
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230 RLbsAssistanceDataBuilderSet& aAssistanceData, |
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231 TLbsAsistanceDataGroup& aGroup) |
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232 { |
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233 RUEPositioningGpsAlmanacBuilder* almanacPtr; |
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234 RUEPositioningGpsIonosphericModelBuilder* ionosphericPtr; |
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235 RUEPositioningGpsNavigationModelBuilder* navigationPtr; |
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236 RUEPositioningGpsReferenceTimeBuilder* referenceTimePtr; |
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237 RUEPositioningGpsUtcModelBuilder* utcPtr; |
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238 RUEPositioningGpsAcquisitionAssistanceBuilder* acquisitionPtr; |
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239 RBadSatListBuilder* badSatPtr; |
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240 RReferenceLocationBuilder* referenceLocationPtr; |
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241 |
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242 aGroup = EAssistanceDataNone; |
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243 |
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244 if (KErrNone == aAssistanceData.GetDataBuilder(almanacPtr)) |
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245 { |
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246 if (almanacPtr->IsDataAvailable()) |
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247 { |
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248 aGroup |= EAssistanceDataAlmanac; |
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249 } |
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250 } |
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251 |
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252 if (KErrNone == aAssistanceData.GetDataBuilder(acquisitionPtr)) |
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253 { |
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254 if (acquisitionPtr->IsDataAvailable()) |
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255 { |
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256 aGroup |= EAssistanceDataAquisitionAssistance; |
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257 } |
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258 } |
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259 |
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260 if (KErrNone == aAssistanceData.GetDataBuilder(badSatPtr)) |
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261 { |
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262 if (badSatPtr->IsDataAvailable()) |
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263 { |
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264 aGroup |= EAssistanceDataBadSatList; |
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265 } |
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266 } |
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267 |
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268 if (KErrNone == aAssistanceData.GetDataBuilder(navigationPtr)) |
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269 { |
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270 if (navigationPtr->IsDataAvailable()) |
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271 { |
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272 aGroup |= EAssistanceDataNavigationModel; |
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273 } |
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274 } |
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275 |
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276 if (KErrNone == aAssistanceData.GetDataBuilder(referenceTimePtr)) |
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277 { |
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278 if (referenceTimePtr->IsDataAvailable()) |
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279 { |
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280 aGroup |= EAssistanceDataReferenceTime; |
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281 } |
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282 } |
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283 |
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284 if (KErrNone == aAssistanceData.GetDataBuilder(ionosphericPtr)) |
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285 { |
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286 if (ionosphericPtr->IsDataAvailable()) |
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287 { |
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288 aGroup |= EAssistanceDataIonosphericModel; |
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289 } |
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290 } |
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291 |
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292 if (KErrNone == aAssistanceData.GetDataBuilder(referenceLocationPtr)) |
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293 { |
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294 if (referenceLocationPtr->IsDataAvailable()) |
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295 { |
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296 aGroup |= EAssistanceDataReferenceLocation; |
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297 } |
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298 } |
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299 |
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300 if (KErrNone == aAssistanceData.GetDataBuilder(utcPtr)) |
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301 { |
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302 if (utcPtr->IsDataAvailable()) |
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303 { |
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304 aGroup |= EAssistanceDataPositioningGpsUtcModel; |
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305 } |
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306 } |
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307 } |
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308 |