1 /* |
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2 * Copyright (c) 2005-2006 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: CMnGeocoder 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 <e32base.h> |
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20 #include <e32math.h> |
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21 #include <AknServerApp.h> |
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22 #include <apaserverapp.h> |
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23 |
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24 #include <lbsfields.h> |
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25 #include <lbsfieldids.h> |
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26 #include <lbsposition.h> |
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27 |
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28 #include <EPos_CPosLandmark.h> |
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29 |
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30 #include "mnprovider.h" |
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31 #include "mngeocodingserviceclient.h" |
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32 #include "mngeocoder.h" |
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33 |
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34 // ======== LOCAL FUNCTIONS ======== |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // Copies address information (address and building position fields) from |
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38 // source landmark to target. |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 void CopyAddressL( CPosLandmark& aSrc, CPosLandmark& aTrg ) |
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42 { |
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43 // clean address fields (CMnGeocoder says that "all <data> will be updated") |
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44 for ( TPositionFieldId fieldId = EPositionFieldAddressCapabilitiesBegin + 1; |
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45 fieldId < EPositionFieldNMEACapabilitiesBegin; |
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46 fieldId++ ) |
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47 { |
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48 aTrg.RemovePositionField( fieldId ); |
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49 } |
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50 |
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51 // copy fields |
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52 TPositionFieldId fieldId = aSrc.FirstPositionFieldId(); |
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53 while ( fieldId != EPositionFieldNone ) |
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54 { |
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55 if ( fieldId > EPositionFieldAddressCapabilitiesBegin && |
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56 fieldId < EPositionFieldNMEACapabilitiesBegin) |
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57 { |
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58 TPtrC field; |
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59 if ( KErrNone == aSrc.GetPositionField( fieldId, field ) ) |
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60 { |
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61 aTrg.SetPositionFieldL( fieldId, field ); |
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62 } |
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63 } |
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64 fieldId = aSrc.NextPositionFieldId( fieldId ); |
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65 } |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // Copies coordinate information (locality and coverage) from |
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70 // source landmark to target. If some fields are empty in source, |
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71 // they will also be emptied in result. |
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72 // --------------------------------------------------------------------------- |
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73 // |
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74 void CopyCoordinatesL( CPosLandmark& aSrc, CPosLandmark& aTrg ) |
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75 { |
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76 TLocality loc; |
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77 TInt posErr = aSrc.GetPosition( loc ); |
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78 if( !posErr ) |
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79 { |
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80 aTrg.SetPositionL( loc ); |
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81 } |
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82 |
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83 TRealX nan; |
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84 nan.SetNaN(); |
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85 TReal32 coverage( nan ); |
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86 |
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87 TInt radiusErr = aSrc.GetCoverageRadius( coverage ); |
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88 if( !radiusErr ) |
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89 { |
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90 aTrg.SetCoverageRadius( coverage ); |
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91 } |
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92 |
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93 } |
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94 |
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95 // ======== MEMBER FUNCTIONS ======== |
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96 |
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97 // --------------------------------------------------------------------------- |
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98 // --------------------------------------------------------------------------- |
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99 // |
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100 CMnGeocoder::CMnGeocoder() |
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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 // --------------------------------------------------------------------------- |
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106 // |
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107 void CMnGeocoder::ConstructCommonL( CMnProvider& aProvider ) |
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108 { |
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109 if ( !( aProvider.SupportedServices() & CMnProvider::EServiceGeocoding ) ) |
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110 { |
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111 User::Leave( KErrNotSupported ); |
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112 } |
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113 |
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114 iSession = new (ELeave) RMnGeocodingServiceClient; |
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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 // |
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120 void CMnGeocoder::ConstructNewL( CMnProvider& aProvider ) |
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121 { |
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122 ConstructCommonL( aProvider ); |
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123 iSession->ConnectL( aProvider.Uid() ); |
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124 } |
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125 |
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126 // --------------------------------------------------------------------------- |
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127 // --------------------------------------------------------------------------- |
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128 // |
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129 void CMnGeocoder::ConstructChainedL( CMnProvider& aProvider ) |
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130 { |
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131 ConstructCommonL( aProvider ); |
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132 iSession->ConnectChainedL( aProvider.Uid() ); |
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133 } |
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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 EXPORT_C CMnGeocoder* CMnGeocoder::NewL( CMnProvider& aProvider ) |
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139 { |
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140 CMnGeocoder* self = new (ELeave) CMnGeocoder; |
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141 CleanupStack::PushL( self ); |
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142 self->ConstructNewL( aProvider ); |
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143 CleanupStack::Pop( self ); |
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144 return self; |
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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 // |
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150 EXPORT_C CMnGeocoder* CMnGeocoder::NewChainedL( CMnProvider& aProvider ) |
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151 { |
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152 CMnGeocoder* self = new (ELeave) CMnGeocoder; |
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153 CleanupStack::PushL( self ); |
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154 self->ConstructChainedL( aProvider ); |
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155 CleanupStack::Pop( self ); |
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156 return self; |
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157 } |
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158 |
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159 // --------------------------------------------------------------------------- |
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160 // --------------------------------------------------------------------------- |
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161 // |
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162 EXPORT_C CMnGeocoder::~CMnGeocoder() |
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163 { |
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164 delete iExitMonitor; |
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165 |
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166 if ( iSession ) |
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167 { |
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168 iSession->Close(); |
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169 delete iSession; |
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170 } |
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171 } |
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172 |
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173 // --------------------------------------------------------------------------- |
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174 // --------------------------------------------------------------------------- |
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175 // |
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176 EXPORT_C CMnGeocoder::TOptions CMnGeocoder::Options() const |
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177 { |
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178 return iOptions; |
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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 // |
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184 EXPORT_C void CMnGeocoder::SetOptions( TOptions aOptions ) |
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185 { |
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186 iOptions = aOptions; |
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187 } |
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188 |
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189 // --------------------------------------------------------------------------- |
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190 // 1. Get result from session in form of landmark |
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191 // 2. If last request was for address, copy all position fields from |
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192 // result to target landmark |
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193 // 3. If last request was for coordinate, copy position data. |
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194 // --------------------------------------------------------------------------- |
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195 // |
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196 EXPORT_C void CMnGeocoder::RetrieveGeocodingResultL( CPosLandmark& aTargetLandmark ) |
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197 { |
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198 CPosLandmark* lm = NULL; |
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199 TMnGeocodingResultType resultType; |
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200 iSession->GetLastResultL( lm, resultType ); |
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201 CleanupStack::PushL( lm ); |
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202 |
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203 switch ( resultType ) |
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204 { |
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205 case EMnGeoResultAddress: |
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206 CopyAddressL( *lm, aTargetLandmark ); |
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207 break; |
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208 case EMnGeoResultCoordinates: |
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209 CopyCoordinatesL( *lm, aTargetLandmark ); |
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210 break; |
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211 } |
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212 CleanupStack::PopAndDestroy( lm ); |
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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 // |
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218 EXPORT_C void CMnGeocoder::FindCoordinateByAddressL( |
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219 const CPosLandmark& aLandmark, |
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220 TRequestStatus& aRequest) |
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221 { |
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222 iSession->CoordinateByAddressL( aLandmark, iOptions, aRequest ); |
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223 } |
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224 |
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225 // --------------------------------------------------------------------------- |
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226 // --------------------------------------------------------------------------- |
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227 // |
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228 EXPORT_C void CMnGeocoder::FindCoordinateByAddressL( |
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229 const TDesC& aAddress, |
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230 TRequestStatus& aRequest) |
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231 { |
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232 iSession->CoordinateByAddressL( aAddress, iOptions, aRequest ); |
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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 // |
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238 EXPORT_C void CMnGeocoder::FindAddressByCoordinateL( |
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239 const CPosLandmark& aLandmark, |
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240 TRequestStatus& aRequest) |
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241 { |
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242 iSession->AddressByCoordinateL( aLandmark, iOptions, aRequest ); |
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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 // |
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248 EXPORT_C void CMnGeocoder::Cancel() |
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249 { |
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250 iSession->Cancel(); |
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251 } |
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252 // --------------------------------------------------------------------------- |
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253 // --------------------------------------------------------------------------- |
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254 // |
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255 EXPORT_C void CMnGeocoder::SetExitObserverL( MAknServerAppExitObserver& aObserver ) |
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256 { |
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257 if ( iExitMonitor ) |
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258 { |
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259 User::Leave( KErrAlreadyExists ); |
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260 } |
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261 else |
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262 { |
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263 iExitMonitor = CApaServerAppExitMonitor::NewL( |
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264 *iSession, aObserver, CActive::EPriorityStandard ); |
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265 } |
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266 } |
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267 |
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268 // --------------------------------------------------------------------------- |
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269 // --------------------------------------------------------------------------- |
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270 // |
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271 EXPORT_C void CMnGeocoder::RemoveExitObserver() |
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272 { |
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273 delete iExitMonitor; |
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274 iExitMonitor = NULL; |
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275 } |
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