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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 aSrc.GetPosition( loc ); |
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78 aTrg.SetPositionL( loc ); |
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79 |
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80 TRealX nan; |
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81 nan.SetNaN(); |
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82 TReal32 coverage( nan ); |
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83 |
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84 aSrc.GetCoverageRadius( coverage ); |
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85 aTrg.SetCoverageRadius( coverage ); |
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86 } |
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87 |
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88 // ======== MEMBER FUNCTIONS ======== |
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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 CMnGeocoder::CMnGeocoder() |
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94 { |
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95 } |
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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 void CMnGeocoder::ConstructCommonL( CMnProvider& aProvider ) |
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101 { |
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102 if ( !( aProvider.SupportedServices() & CMnProvider::EServiceGeocoding ) ) |
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103 { |
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104 User::Leave( KErrNotSupported ); |
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105 } |
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106 |
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107 iSession = new (ELeave) RMnGeocodingServiceClient; |
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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 // |
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113 void CMnGeocoder::ConstructNewL( CMnProvider& aProvider ) |
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114 { |
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115 ConstructCommonL( aProvider ); |
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116 iSession->ConnectL( aProvider.Uid() ); |
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117 } |
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118 |
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119 // --------------------------------------------------------------------------- |
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120 // --------------------------------------------------------------------------- |
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121 // |
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122 void CMnGeocoder::ConstructChainedL( CMnProvider& aProvider ) |
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123 { |
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124 ConstructCommonL( aProvider ); |
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125 iSession->ConnectChainedL( aProvider.Uid() ); |
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126 } |
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127 |
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128 // --------------------------------------------------------------------------- |
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129 // --------------------------------------------------------------------------- |
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130 // |
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131 EXPORT_C CMnGeocoder* CMnGeocoder::NewL( CMnProvider& aProvider ) |
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132 { |
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133 CMnGeocoder* self = new (ELeave) CMnGeocoder; |
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134 CleanupStack::PushL( self ); |
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135 self->ConstructNewL( aProvider ); |
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136 CleanupStack::Pop( self ); |
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137 return self; |
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138 } |
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139 |
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140 // --------------------------------------------------------------------------- |
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141 // --------------------------------------------------------------------------- |
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142 // |
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143 EXPORT_C CMnGeocoder* CMnGeocoder::NewChainedL( CMnProvider& aProvider ) |
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144 { |
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145 CMnGeocoder* self = new (ELeave) CMnGeocoder; |
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146 CleanupStack::PushL( self ); |
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147 self->ConstructChainedL( aProvider ); |
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148 CleanupStack::Pop( self ); |
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149 return self; |
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150 } |
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151 |
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152 // --------------------------------------------------------------------------- |
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153 // --------------------------------------------------------------------------- |
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154 // |
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155 EXPORT_C CMnGeocoder::~CMnGeocoder() |
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156 { |
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157 delete iExitMonitor; |
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158 |
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159 if ( iSession ) |
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160 { |
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161 iSession->Close(); |
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162 delete iSession; |
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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 // --------------------------------------------------------------------------- |
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168 // |
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169 EXPORT_C CMnGeocoder::TOptions CMnGeocoder::Options() const |
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170 { |
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171 return iOptions; |
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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 // |
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177 EXPORT_C void CMnGeocoder::SetOptions( TOptions aOptions ) |
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178 { |
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179 iOptions = aOptions; |
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180 } |
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181 |
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182 // --------------------------------------------------------------------------- |
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183 // 1. Get result from session in form of landmark |
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184 // 2. If last request was for address, copy all position fields from |
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185 // result to target landmark |
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186 // 3. If last request was for coordinate, copy position data. |
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187 // --------------------------------------------------------------------------- |
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188 // |
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189 EXPORT_C void CMnGeocoder::RetrieveGeocodingResultL( CPosLandmark& aTargetLandmark ) |
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190 { |
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191 CPosLandmark* lm = NULL; |
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192 TMnGeocodingResultType resultType; |
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193 iSession->GetLastResultL( lm, resultType ); |
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194 CleanupStack::PushL( lm ); |
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195 |
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196 switch ( resultType ) |
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197 { |
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198 case EMnGeoResultAddress: |
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199 CopyAddressL( *lm, aTargetLandmark ); |
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200 break; |
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201 case EMnGeoResultCoordinates: |
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202 CopyCoordinatesL( *lm, aTargetLandmark ); |
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203 break; |
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204 } |
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205 CleanupStack::PopAndDestroy( lm ); |
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206 } |
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207 |
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208 // --------------------------------------------------------------------------- |
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209 // --------------------------------------------------------------------------- |
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210 // |
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211 EXPORT_C void CMnGeocoder::FindCoordinateByAddressL( |
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212 const CPosLandmark& aLandmark, |
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213 TRequestStatus& aRequest) |
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214 { |
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215 iSession->CoordinateByAddressL( aLandmark, iOptions, aRequest ); |
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216 } |
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217 |
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218 // --------------------------------------------------------------------------- |
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219 // --------------------------------------------------------------------------- |
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220 // |
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221 EXPORT_C void CMnGeocoder::FindCoordinateByAddressL( |
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222 const TDesC& aAddress, |
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223 TRequestStatus& aRequest) |
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224 { |
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225 iSession->CoordinateByAddressL( aAddress, iOptions, aRequest ); |
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226 } |
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227 |
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228 // --------------------------------------------------------------------------- |
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229 // --------------------------------------------------------------------------- |
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230 // |
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231 EXPORT_C void CMnGeocoder::FindAddressByCoordinateL( |
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232 const CPosLandmark& aLandmark, |
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233 TRequestStatus& aRequest) |
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234 { |
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235 iSession->AddressByCoordinateL( aLandmark, iOptions, aRequest ); |
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236 } |
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237 |
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238 // --------------------------------------------------------------------------- |
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239 // --------------------------------------------------------------------------- |
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240 // |
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241 EXPORT_C void CMnGeocoder::Cancel() |
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242 { |
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243 iSession->Cancel(); |
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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::SetExitObserverL( MAknServerAppExitObserver& aObserver ) |
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249 { |
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250 if ( iExitMonitor ) |
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251 { |
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252 User::Leave( KErrAlreadyExists ); |
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253 } |
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254 else |
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255 { |
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256 iExitMonitor = CApaServerAppExitMonitor::NewL( |
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257 *iSession, aObserver, CActive::EPriorityStandard ); |
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258 } |
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259 } |
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260 |
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261 // --------------------------------------------------------------------------- |
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262 // --------------------------------------------------------------------------- |
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263 // |
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264 EXPORT_C void CMnGeocoder::RemoveExitObserver() |
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265 { |
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266 delete iExitMonitor; |
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267 iExitMonitor = NULL; |
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268 } |