1 /* |
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2 * Copyright (c) 2006 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: CMnrpPositionRequest class implementation |
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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 #include <AknWaitDialog.h> |
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20 #include <coemain.h> |
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21 #include <aknnotewrappers.h> |
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22 |
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23 #include <lbspositioninfo.h> |
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24 |
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25 #include "mnrppositionrequest.h" |
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26 |
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27 // ============================ MEMBER FUNCTIONS =============================== |
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28 |
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29 // ----------------------------------------------------------------------------- |
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30 // ----------------------------------------------------------------------------- |
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31 // |
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32 CMnrpPositionRequest::CMnrpPositionRequest( |
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33 MMnrpPositionObserver& aObserver ) |
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34 : |
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35 CActive( CActive::EPriorityStandard ), |
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36 iObserver( aObserver ), |
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37 iState( EIdle ) |
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38 { |
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39 TRealX nan; |
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40 nan.SetNaN(); |
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41 iSpeed = iHeading = iCourse = iMagneticHeading = iMagneticCourse = nan; |
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42 |
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43 CActiveScheduler::Add( this ); |
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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 // |
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49 void CMnrpPositionRequest::ConstructL( const TDesC& aRequestorName ) |
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50 { |
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51 const TInt KBufSize = 8192; |
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52 iGenericPosition = HPositionGenericInfo::NewL( KBufSize ); |
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53 |
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54 // Connect to the location server |
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55 User::LeaveIfError( iLocationServer.Connect() ); |
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56 |
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57 // Open the default positioner |
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58 User::LeaveIfError( iPositioner.Open( iLocationServer ) ); |
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59 |
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60 // Set this application as location requestor |
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61 User::LeaveIfError( iPositioner.SetRequestor( |
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62 CRequestor::ERequestorService, |
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63 CRequestor::EFormatApplication, |
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64 aRequestorName ) ); |
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65 |
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66 // Set default options |
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67 TPositionUpdateOptions updateOptions; |
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68 |
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69 const TInt K30Seconds = 30000000; |
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70 TTimeIntervalMicroSeconds timeOut( K30Seconds ); |
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71 |
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72 updateOptions.SetUpdateTimeOut( timeOut ); |
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73 SetOptionsL( updateOptions ); |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 EXPORT_C CMnrpPositionRequest* CMnrpPositionRequest::NewL( |
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80 const TDesC& aAppName, |
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81 MMnrpPositionObserver& aObserver ) |
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82 { |
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83 CMnrpPositionRequest* self = |
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84 new (ELeave) CMnrpPositionRequest( aObserver ); |
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85 CleanupStack::PushL( self ); |
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86 self->ConstructL( aAppName ); |
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87 CleanupStack::Pop( self ); |
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88 return self; |
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89 } |
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90 |
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91 // ----------------------------------------------------------------------------- |
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92 // ----------------------------------------------------------------------------- |
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93 // |
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94 EXPORT_C CMnrpPositionRequest::~CMnrpPositionRequest() |
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95 { |
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96 Cancel(); |
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97 iPositioner.Close(); |
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98 iLocationServer.Close(); |
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99 delete iGenericPosition; |
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100 } |
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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 EXPORT_C void CMnrpPositionRequest::FetchNewPosition( TBool aLastKnownLocationAllowed ) |
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106 { |
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107 Cancel(); |
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108 // Request location |
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109 iState = EAcquiringDefaultLocation; |
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110 iLastKnownLocationAllowed = aLastKnownLocationAllowed; |
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111 ExecuteNextStep(); |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // ----------------------------------------------------------------------------- |
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116 // |
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117 EXPORT_C void CMnrpPositionRequest::GetPosition( TPositionInfo& aPositionInfo ) |
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118 { |
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119 aPositionInfo = iPositionInfo; |
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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 // |
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125 EXPORT_C TReal32 CMnrpPositionRequest::Speed() |
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126 { |
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127 return iSpeed; |
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128 } |
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129 |
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130 // ----------------------------------------------------------------------------- |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 EXPORT_C TReal32 CMnrpPositionRequest::Heading() |
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134 { |
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135 return iHeading; |
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136 } |
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137 |
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138 // ----------------------------------------------------------------------------- |
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139 // ----------------------------------------------------------------------------- |
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140 // |
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141 EXPORT_C TReal32 CMnrpPositionRequest::MagneticHeading() |
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142 { |
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143 return iMagneticHeading; |
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144 } |
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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 EXPORT_C TReal32 CMnrpPositionRequest::Course() |
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150 { |
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151 return iCourse; |
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152 } |
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153 |
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154 // ----------------------------------------------------------------------------- |
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155 // ----------------------------------------------------------------------------- |
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156 // |
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157 EXPORT_C TReal32 CMnrpPositionRequest::MagneticCourse() |
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158 { |
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159 return iMagneticCourse; |
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160 } |
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161 |
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162 // ----------------------------------------------------------------------------- |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 void CMnrpPositionRequest::DoCancel() |
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166 { |
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167 // Cancel location request |
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168 if (iState == EAcquiringDefaultLocation) |
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169 { |
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170 iPositioner.CancelRequest( EPositionerNotifyPositionUpdate ); |
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171 } |
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172 else if (iState == EAcquiringLastKnownLocation) |
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173 { |
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174 iPositioner.CancelRequest( EPositionerGetLastKnownPosition ); |
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175 } |
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176 iState = EIdle; |
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177 } |
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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 void CMnrpPositionRequest::RunL() |
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183 { |
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184 if ( iStatus != KErrNone && |
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185 iState == EAcquiringDefaultLocation && |
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186 iLastKnownLocationAllowed ) |
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187 { |
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188 // Fetching current location failed. Try last known location. |
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189 iState = EAcquiringLastKnownLocation; |
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190 ExecuteNextStep(); |
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191 } |
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192 else |
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193 { |
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194 // Operation finished, notify observer |
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195 iState = EIdle; |
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196 SaveContainer( *iGenericPosition ); |
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197 iObserver.HandlePositionRequestCompletedL( iStatus.Int() ); |
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198 } |
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199 } |
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200 |
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201 // ----------------------------------------------------------------------------- |
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202 // ----------------------------------------------------------------------------- |
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203 // |
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204 TInt CMnrpPositionRequest::RunError(TInt /*aError*/) |
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205 { |
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206 // Ignore possible errors. |
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207 return KErrNone; |
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208 } |
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209 |
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210 // ----------------------------------------------------------------------------- |
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211 // ----------------------------------------------------------------------------- |
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212 // |
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213 void CMnrpPositionRequest::ExecuteNextStep() |
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214 { |
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215 iStatus = KRequestPending; |
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216 |
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217 switch (iState) |
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218 { |
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219 case EAcquiringDefaultLocation: |
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220 InitContainer( *iGenericPosition ); |
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221 iPositioner.NotifyPositionUpdate( *iGenericPosition, iStatus); |
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222 break; |
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223 case EAcquiringLastKnownLocation: |
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224 iPositioner.GetLastKnownPosition( iPositionInfo, iStatus ); |
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225 break; |
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226 default: |
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227 // this case should never happen, see RunL |
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228 return; |
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229 } |
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230 |
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231 SetActive(); |
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232 } |
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233 |
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234 // ----------------------------------------------------------------------------- |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 EXPORT_C void CMnrpPositionRequest::SetOptionsL( const TPositionUpdateOptionsBase& aOptions ) |
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238 { |
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239 User::LeaveIfError( iPositioner.SetUpdateOptions( aOptions ) ); |
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240 } |
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241 |
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242 // ----------------------------------------------------------------------------- |
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243 // ----------------------------------------------------------------------------- |
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244 // |
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245 void CMnrpPositionRequest::InitContainer( HPositionGenericInfo& aGenericInfo ) |
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246 { |
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247 aGenericInfo.ClearPositionData(); |
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248 |
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249 aGenericInfo.SetRequestedField( EPositionFieldHorizontalSpeed ); |
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250 aGenericInfo.SetRequestedField( EPositionFieldTrueCourse ); |
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251 aGenericInfo.SetRequestedField( EPositionFieldMagneticCourse ); |
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252 aGenericInfo.SetRequestedField( EPositionFieldHeading ); |
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253 aGenericInfo.SetRequestedField( EPositionFieldMagneticHeading ); |
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254 } |
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255 |
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256 // ----------------------------------------------------------------------------- |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 void CMnrpPositionRequest::SaveContainer( const HPositionGenericInfo& aGenericInfo ) |
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260 { |
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261 TRealX nan; |
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262 nan.SetNaN(); |
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263 iSpeed = iHeading = iCourse = iMagneticHeading = iMagneticCourse = nan; |
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264 |
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265 aGenericInfo.GetValue( EPositionFieldHorizontalSpeed, iSpeed ); |
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266 aGenericInfo.GetValue( EPositionFieldTrueCourse, iCourse ); |
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267 aGenericInfo.GetValue( EPositionFieldMagneticCourse, iMagneticCourse ); |
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268 aGenericInfo.GetValue( EPositionFieldHeading, iHeading ); |
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269 aGenericInfo.GetValue( EPositionFieldMagneticHeading, iMagneticHeading ); |
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270 |
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271 iPositionInfo = *iGenericPosition; |
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272 } |
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