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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 "cnetrequesthandler.h" |
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22 #include "cpositionerq.h" |
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23 #include "lbsdevloggermacros.h" |
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24 #include "trequestparameters.h" |
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25 |
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26 /* |
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27 * CRequestHandler::NewL |
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28 * Two-phased constructor. |
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29 */ |
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30 CNETRequestHandler* CNETRequestHandler::NewL(CPositionerQ* aPositionerQ) |
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31 { |
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32 CNETRequestHandler* self = new( ELeave ) CNETRequestHandler(aPositionerQ); |
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33 |
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34 CleanupStack::PushL( self ); |
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35 self->ConstructL(); |
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36 CleanupStack::Pop(); |
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37 |
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38 return self; |
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39 } |
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40 |
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41 /* |
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42 * CNETRequestHandler::~CNETRequestHandler |
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43 * Destructor. |
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44 */ |
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45 CNETRequestHandler::~CNETRequestHandler() |
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46 { |
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47 delete iNETRequestBus; |
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48 } |
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49 |
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50 /** |
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51 @param aPositionerQ the positioner Q |
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52 */ |
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53 CNETRequestHandler::CNETRequestHandler(CPositionerQ* aPositionerQ) |
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54 { |
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55 iPositionerQ = aPositionerQ; |
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56 } |
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57 |
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58 /** |
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59 construct the request bus by channel identifier |
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60 */ |
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61 void CNETRequestHandler::ConstructL() |
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62 { |
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63 CRequestHandler::ConstructL(); |
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64 |
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65 iChannel = KChannelArray[KNetworkManagerToLocServerChannelIndex]; // PSY<->NetLocManager channel |
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66 |
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67 iNETRequestBus = CNETRequestBus::NewL(iChannel); |
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68 } |
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69 |
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70 /** |
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71 Merge the request with the local iMergedRequest |
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72 |
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73 @param aTime The target time of the request |
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74 @param aTimeForFix The maximum fix time |
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75 @param aQuality The requested position info quality |
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76 @see CPositionerSubSession |
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77 */ |
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78 TInt CNETRequestHandler::MergeRequest(const TRequestParameters* aRequestParameters, const TBool aTracking, |
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79 TLbsPositionUpdateRequestBase::TPowerAdvice aPower) |
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80 { |
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81 TPositionQuality posQuality; |
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82 TLbsPositionUpdateRequest newReq; |
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83 TLbsLocRequestQuality newRequestQuality; |
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84 |
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85 aRequestParameters->iCriteria.GetRequiredQuality(posQuality); |
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86 |
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87 BuildUpdateRequest(newRequestQuality, aRequestParameters->iTimeForFix, posQuality); |
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88 newReq.TargetTime() = aRequestParameters->iTargetTime; |
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89 |
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90 newReq.RequestQuality().SetMaxFixTime(newRequestQuality.MaxFixTime()); |
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91 newReq.RequestQuality().SetMinHorizontalAccuracy(newRequestQuality.MinHorizontalAccuracy()); |
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92 newReq.RequestQuality().SetMinVerticalAccuracy(newRequestQuality.MinVerticalAccuracy()); |
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93 |
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94 newReq.NewClient() = aRequestParameters->iNewClient; |
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95 newReq.Tracking() = aTracking; |
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96 newReq.SetPowerAdvice(aPower); |
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97 |
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98 if(newReq.TargetTime() < iMergedRequest.TargetTime()) |
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99 { |
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100 iMergedRequest.TargetTime() = newReq.TargetTime(); |
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101 } |
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102 |
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103 if(newReq.RequestQuality().MinHorizontalAccuracy() < iMergedRequest.RequestQuality().MinHorizontalAccuracy()) |
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104 { |
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105 iMergedRequest.RequestQuality().SetMinHorizontalAccuracy(newReq.RequestQuality().MinHorizontalAccuracy()); |
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106 } |
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107 |
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108 if(newReq.RequestQuality().MinVerticalAccuracy() < iMergedRequest.RequestQuality().MinVerticalAccuracy()) |
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109 { |
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110 iMergedRequest.RequestQuality().SetMinVerticalAccuracy(newReq.RequestQuality().MinVerticalAccuracy()); |
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111 } |
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112 |
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113 if(newReq.RequestQuality().MaxFixTime() < iMergedRequest.RequestQuality().MaxFixTime()) |
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114 { |
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115 iMergedRequest.RequestQuality().SetMaxFixTime(newReq.RequestQuality().MaxFixTime()); |
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116 } |
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117 |
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118 iMergedRequest.NewClient() = iMergedRequest.NewClient() || newReq.NewClient(); |
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119 iMergedRequest.Tracking() = iMergedRequest.Tracking() || newReq.Tracking(); |
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120 |
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121 TLbsPositionUpdateRequest& reqNC = const_cast<TLbsPositionUpdateRequest&>(newReq); |
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122 iMergedRequest.SetPowerAdvice(reqNC.PowerAdvice()); |
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123 |
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124 return KErrNone; |
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125 } |
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126 |
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127 /** Used before merging */ |
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128 void CNETRequestHandler::ResetMergedRequest() |
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129 { |
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130 iMergedRequest.NewClient() = EFalse; |
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131 iMergedRequest.Tracking() = EFalse; |
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132 iMergedRequest.TargetTime() = KMaxTInt64; |
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133 iMergedRequest.RequestQuality().SetMinHorizontalAccuracy(KMaxTReal32); |
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134 iMergedRequest.RequestQuality().SetMinVerticalAccuracy(KMaxTReal32); |
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135 iMergedRequest.RequestQuality().SetMaxFixTime(KMaxTInt64); |
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136 } |
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137 |
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138 /** |
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139 Publish the request to the request bus |
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140 |
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141 @param aRequest The request to be updated |
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142 @param aTimeForFix The maximum fix time |
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143 @param aQuality The requested position info quality |
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144 */ |
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145 void CNETRequestHandler::IssueMergedRequestL() |
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146 { |
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147 iCurrentRequest = iMergedRequest; |
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148 TLbsPositionUpdateRequest request = iCurrentRequest; |
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149 |
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150 // If target time is 'now' then force the request target time to be 0 |
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151 TTime currentTime; |
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152 currentTime.UniversalTime(); |
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153 |
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154 if (!request.Tracking()) // Not tracking |
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155 { |
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156 if (request.TargetTime() <= currentTime) |
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157 { |
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158 request.TargetTime() = TTime(0); |
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159 } |
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160 } |
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161 else if (request.NewClient()) // Tracking! |
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162 { |
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163 request.TargetTime() = TTime(0); |
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164 } |
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165 |
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166 iNETRequestBus->PublishRequestL(request); |
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167 } |
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168 |
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169 /** |
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170 Publish the Cancel request to the request bus. |
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171 Cancel always disables tracking (the tracking flag is EFalse by default) |
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172 */ |
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173 void CNETRequestHandler::IssueCancel(TBool aTracking, TLbsPositionUpdateRequestBase::TPowerAdvice aPower) |
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174 { |
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175 TLbsPositionUpdateRequestCancel cancel; |
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176 |
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177 // note, here we choose to send EPowerAdviceStandby straight away |
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178 cancel.SetPowerAdvice(aPower); |
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179 cancel.Tracking() = aTracking; |
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180 |
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181 TRAP_IGNORE(iNETRequestBus->PublishRequestL(cancel)); |
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182 } |
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183 |
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184 /** |
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185 Publish statutory information (e.g tracking) to the request bus. |
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186 */ |
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187 void CNETRequestHandler::IssueStatus(TBool aTracking, TLbsPositionUpdateRequestBase::TPowerAdvice aPower) |
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188 { |
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189 TLbsPositionUpdateRequestStatus status; |
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190 status.Tracking() = aTracking; |
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191 status.SetPowerAdvice(aPower); |
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192 TRAP_IGNORE(iNETRequestBus->PublishRequestL(status)); |
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193 } |