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1 /* |
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2 * Copyright (c) 2006, 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: Implementation of Location Requestor |
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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 "lbtlogger.h" |
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21 #include "lbtlocationrequestor.h" |
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22 #include "lbtpsychangelistner.h" |
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23 |
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24 _LIT( KServer, "LocationTriggering" ); |
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25 |
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26 // CONSTANTS |
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27 const TInt64 KMaxUpdateAgeForNpp( 7200000000 ); // 120 minutes or 2 hours |
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28 |
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29 |
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30 // ======== MEMBER FUNCTIONS ======== |
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31 |
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32 // ----------------------------------------------------------------------------- |
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33 // CLbtLocationRequestor::NewL |
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34 // CLbtLocationRequestor instantiation method. |
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35 // ----------------------------------------------------------------------------- |
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36 // |
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37 CLbtLocationRequestor* CLbtLocationRequestor::NewL( ) |
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38 { |
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39 CLbtLocationRequestor* self = new ( ELeave ) CLbtLocationRequestor; |
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40 CleanupStack::PushL( self ); |
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41 self->ConstructL( ); |
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42 CleanupStack::Pop(); |
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43 return self; |
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44 } |
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45 |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CLbtLocationRequestor::~CLbtLocationRequestor |
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49 // Destructor. |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CLbtLocationRequestor::~CLbtLocationRequestor() |
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53 { |
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54 if( iValidNppHandle ) |
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55 { |
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56 iNppPositioner.Close(); |
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57 } |
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58 delete iNbpChangeListener; |
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59 iPositioner.Close(); |
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60 iPosServer.Close(); |
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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 // CLbtLocationRequestor::CurrentLocation |
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66 // Method used by CLbtStrategyEngine to obtain position information |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 void CLbtLocationRequestor::CurrentLocation( TPositionInfo& aPosInfo, |
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70 TRequestStatus& aStatus, |
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71 TPositionModuleId aPosID, |
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72 TTimeIntervalMicroSeconds aTimeOut ) |
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73 { |
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74 FUNC_ENTER("CLbtLocationRequestor::CurrentLocation"); |
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75 if( aPosID != iPosID ) |
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76 { |
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77 iPositioner.Close(); |
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78 TRAPD( err, OpenConnectionL( aPosID ) ); |
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79 if( KErrNone != err ) |
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80 { |
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81 TRequestStatus* lStatus = &aStatus; |
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82 User::RequestComplete( lStatus, err ); |
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83 return; |
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84 } |
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85 } |
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86 |
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87 // Setting update options |
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88 TPositionUpdateOptions updateOptions; |
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89 updateOptions.SetUpdateTimeOut( aTimeOut ); |
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90 iPositioner.SetUpdateOptions( updateOptions ); |
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91 |
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92 iPositioner.NotifyPositionUpdate( aPosInfo, aStatus ); |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // CLbtLocationRequestor::CurrentLocationFromNpp |
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97 // Method used by CLbtStrategyEngine to obtain position information |
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98 // ----------------------------------------------------------------------------- |
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99 // |
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100 void CLbtLocationRequestor::CurrentLocationFromNpp( TPositionInfo& aPosInfo, |
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101 TRequestStatus& aStatus, |
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102 TTimeIntervalMicroSeconds /*aTimeOut*/ ) |
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103 { |
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104 FUNC_ENTER("CLbtLocationRequestor::CurrentLocationFromNpp"); |
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105 LOG("CLbtLocationRequestor::CurrentLocationFromNpp"); |
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106 if( !iValidNppHandle ) |
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107 { |
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108 TRequestStatus* statusPtr = &aStatus; |
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109 User::RequestComplete( statusPtr,KErrNotFound ); |
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110 return; |
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111 } |
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112 |
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113 // Setting update options |
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114 TPositionUpdateOptions updateOptions; |
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115 updateOptions.SetMaxUpdateAge( TTimeIntervalMicroSeconds(KMaxUpdateAgeForNpp) ); |
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116 updateOptions.SetUpdateTimeOut( 30000000 ); |
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117 iNppPositioner.SetUpdateOptions( updateOptions ); |
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118 |
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119 iNppPositioner.NotifyPositionUpdate( aPosInfo, aStatus ); |
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120 } |
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121 |
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122 |
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123 // ----------------------------------------------------------------------------- |
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124 // CLbtLocationRequestor::GetModuleInfo |
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125 // Retrieves information about the positioning technology being used |
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126 // ----------------------------------------------------------------------------- |
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127 // |
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128 void CLbtLocationRequestor::GetModuleInfo( TPositionModuleId aPosID ) |
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129 { |
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130 TPositionModuleInfo moduleInfo; |
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131 iPosServer.GetModuleInfoById( aPosID, moduleInfo ); |
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132 TPositionModuleInfo::ECapabilitySatellite & moduleInfo.Capabilities()? |
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133 iGPSUsed = ETrue : iGPSUsed = EFalse; |
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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 // CLbtLocationRequestor::GPSUsed |
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139 // Determines if GPS method is used to retrieve location information |
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140 // ----------------------------------------------------------------------------- |
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141 // |
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142 TBool CLbtLocationRequestor::GPSUsed() const |
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143 { |
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144 return iGPSUsed; |
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145 } |
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146 |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // CLbtLocationRequestor::Cancel |
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150 // Cancels all outstanding requests to the location server. This method |
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151 // ----------------------------------------------------------------------------- |
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152 // |
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153 void CLbtLocationRequestor::Cancel() |
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154 { |
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155 iPositioner.CancelRequest( EPositionerNotifyPositionUpdate ); |
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156 } |
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157 |
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158 // ----------------------------------------------------------------------------- |
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159 // CLbtLocationRequestor::CancelFixFromNpp |
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160 // Cancels all outstanding requests to the location server. This method |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 void CLbtLocationRequestor::CancelFixFromNpp() |
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164 { |
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165 if( iValidNppHandle ) |
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166 { |
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167 iNppPositioner.CancelRequest( EPositionerNotifyPositionUpdate ); |
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168 } |
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169 } |
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170 |
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171 |
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172 // ----------------------------------------------------------------------------- |
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173 // CLbtLocationRequestor::CLbtLocationRequestor |
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174 // Default constructor. |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 CLbtLocationRequestor::CLbtLocationRequestor() |
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178 { |
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179 } |
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180 |
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181 |
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182 // ----------------------------------------------------------------------------- |
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183 // CLbtLocationRequestor::ConstructL |
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184 // Symbian 2nd phase constructor. |
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185 // ----------------------------------------------------------------------------- |
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186 // |
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187 void CLbtLocationRequestor::ConstructL() |
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188 { |
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189 User::LeaveIfError( iPosServer.Connect() ); |
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190 |
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191 iPosID = KPositionNullModuleId; |
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192 |
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193 // TODO: Read this from CenRep |
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194 TPositionModuleId nppPsyID = { 0x10206915 }; |
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195 TInt error = iNppPositioner.Open( iPosServer,nppPsyID ) ; |
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196 |
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197 if( error == KErrNone ) |
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198 { |
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199 LOG("NBP Session Opened"); |
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200 iNbpChangeListener = NULL; |
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201 User::LeaveIfError( iNppPositioner.SetRequestor( |
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202 CRequestor::ERequestorService, |
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203 CRequestor::EFormatApplication, |
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204 KServer ) ); |
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205 iValidNppHandle = ETrue; |
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206 } |
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207 else |
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208 { |
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209 iValidNppHandle = EFalse; |
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210 iNbpChangeListener = CLbtPsyChangeListner::NewL(*this); |
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211 iNbpChangeListener->StartToListen( nppPsyID ); |
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212 } |
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213 } |
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214 |
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215 |
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216 // ----------------------------------------------------------------------------- |
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217 // CLbtLocationRequestor::OpenConnectionL |
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218 // Resets the position method used for acquiring location information. This is |
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219 // done only when the module ID specified differs from the the existing ID. |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 void CLbtLocationRequestor::OpenConnectionL( TPositionModuleId aPosID ) |
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223 { |
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224 FUNC_ENTER("CLbtLocationRequestor::OpenConnectionL"); |
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225 |
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226 if( aPosID != iPosID ) |
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227 { |
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228 iPosID = aPosID; |
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229 TUid defaultID = { 0XFFFFFFFF }; |
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230 if( iPosID == defaultID ) |
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231 { |
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232 User::LeaveIfError( iPositioner.Open( iPosServer) ); |
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233 } |
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234 else |
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235 { |
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236 User::LeaveIfError( iPositioner.Open( iPosServer, aPosID ) ); |
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237 } |
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238 |
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239 User::LeaveIfError( iPositioner.SetRequestor( |
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240 CRequestor::ERequestorService, |
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241 CRequestor::EFormatApplication, |
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242 KServer ) ); |
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243 } |
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244 } |
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245 |
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246 // ----------------------------------------------------------------------------- |
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247 // CLbtLocationRequestor::HandlePsyChangeEvent |
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248 // ----------------------------------------------------------------------------- |
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249 // |
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250 void CLbtLocationRequestor::HandlePsyChangeEvent( TPositionModuleId aModuleId ) |
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251 { |
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252 FUNC_ENTER("CLbtLocationRequestor::HandlePsyChangeEvent"); |
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253 // TODO: Read this from CenRep |
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254 TPositionModuleId nppPsyID = { 0x10206915 }; |
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255 |
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256 if( aModuleId == nppPsyID ) |
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257 { |
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258 TInt error = iNppPositioner.Open( iPosServer,nppPsyID ) ; |
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259 |
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260 if( error == KErrNone ) |
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261 { |
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262 LOG("PSY Change Listener: NBP Session Opened"); |
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263 delete iNbpChangeListener; |
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264 iNbpChangeListener = NULL; |
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265 TInt error = iNppPositioner.SetRequestor( |
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266 CRequestor::ERequestorService, |
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267 CRequestor::EFormatApplication, |
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268 KServer ); |
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269 if( error == KErrNone ) |
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270 { |
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271 iValidNppHandle = ETrue; |
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272 } |
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273 else |
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274 { |
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275 iValidNppHandle = EFalse; |
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276 } |
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277 } |
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278 } |
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279 } |
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280 |
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281 // ----------------------------------------------------------------------------- |
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282 // CLbtLocationRequestor::GetPositionModuleId |
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283 // |
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284 // ----------------------------------------------------------------------------- |
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285 // |
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286 TPositionModuleId CLbtLocationRequestor::GetPositionModuleId() |
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287 { |
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288 return iPosID; |
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289 } |
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290 |
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291 // end of file |