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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: MnProviderFinder 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 <apgcli.h> |
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21 |
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22 #include "mnappserviceuids.hrh" |
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23 |
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24 #include "mnproviderimpl.h" |
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25 #include "mnproviderfinder.h" |
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26 |
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27 #include "mndebug.h" |
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28 |
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29 // ======== LOCAL FUNCTIONS ======== |
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30 |
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31 // --------------------------------------------------------------------------- |
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32 // Cleanup item for RPointerArray<CMnProviderImpl> |
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33 // --------------------------------------------------------------------------- |
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34 // |
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35 void CleanupPointerArray(TAny* aArray) |
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36 { |
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37 ( static_cast<RPointerArray<CMnProviderImpl>*>( aArray ) )->ResetAndDestroy(); |
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38 } |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // Finds service UID for given CMnProvider::TService |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 TUid ServiceUid( CMnProvider::TService aService ) |
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45 { |
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46 switch ( aService ) |
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47 { |
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48 case CMnProvider::EServiceMapView: |
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49 return TUid::Uid( KMnAppMapViewService ); |
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50 |
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51 case CMnProvider::EServiceNavigation: |
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52 return TUid::Uid( KMnAppNavigationService ); |
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53 |
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54 case CMnProvider::EServiceGeocoding: |
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55 return TUid::Uid( KMnAppGeocodingService ); |
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56 |
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57 case CMnProvider::EServiceMapImage: |
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58 return TUid::Uid( KMnAppMapImageService ); |
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59 |
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60 default: |
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61 return TUid::Uid( 0 ); |
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62 } |
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63 } |
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64 |
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65 // --------------------------------------------------------------------------- |
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66 // Finds provider in given list by UID |
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67 // --------------------------------------------------------------------------- |
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68 // |
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69 TInt FindProviderByUid( TUid aAppUid, RPointerArray<CMnProvider>& aProviders ) |
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70 { |
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71 for (TInt i = 0; i < aProviders.Count(); i++) |
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72 { |
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73 if ( aProviders[i]->Uid().iUid == aAppUid.iUid ) |
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74 return i; |
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75 } |
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76 return KErrNotFound; |
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77 } |
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78 |
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79 // --------------------------------------------------------------------------- |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 void FindAllServiceProvidersL( |
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83 RPointerArray<CMnProvider>& aProviders, |
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84 CMnProvider::TServices aServices ) |
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85 { |
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86 LOG("FindAllServiceProvidersL in"); |
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87 |
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88 RApaLsSession apa; |
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89 User::LeaveIfError( apa.Connect() ); |
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90 CleanupClosePushL( apa ); |
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91 |
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92 Swi::RSisRegistrySession sis; |
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93 User::LeaveIfError( sis.Connect() ); |
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94 CleanupClosePushL( sis ); |
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95 |
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96 const CMnProvider::TService KKnownServices[] = |
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97 { |
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98 CMnProvider::EServiceMapView, |
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99 CMnProvider::EServiceNavigation, |
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100 CMnProvider::EServiceGeocoding, |
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101 CMnProvider::EServiceMapImage |
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102 }; |
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103 const TInt KNumKnownServices = sizeof( KKnownServices ) / sizeof ( CMnProvider::TService ); |
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104 |
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105 // find all providers for known services |
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106 for ( TInt i = 0; i < KNumKnownServices; i++ ) |
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107 { |
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108 // but consider only required services |
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109 if ( aServices & KKnownServices[i] ) |
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110 { |
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111 TInt err = apa.GetServerApps( ServiceUid( KKnownServices[i] ) ); |
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112 while ( !err ) |
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113 { |
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114 TApaAppInfo app; |
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115 err = apa.GetNextApp(app); |
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116 if ( !err ) |
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117 { |
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118 // add this app to the list, if not added yet |
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119 TInt index = FindProviderByUid( app.iUid, aProviders ); |
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120 if ( index == KErrNotFound ) |
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121 { |
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122 // add new provider to the list |
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123 LOG2("found new provider candidate uid{%08X}, name{%S}", |
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124 app.iUid.iUid, &app.iFullName); |
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125 |
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126 // find all data about this provider |
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127 CMnProviderImpl* provider = NULL; |
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128 TRAP( err, provider = CMnProviderImpl::NewL( app.iUid, apa, sis ) ); |
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129 if ( !err ) |
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130 { |
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131 if ( provider->IsTrusted() ) |
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132 { |
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133 CleanupStack::PushL( provider ); |
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134 aProviders.AppendL( provider ); |
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135 CleanupStack::Pop( provider ); |
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136 } |
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137 else |
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138 { |
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139 delete provider; |
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140 LOG1("untrusted provider uid{%X}", app.iUid.iUid); |
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141 } |
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142 } |
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143 else |
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144 { |
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145 // skip provider if cannot be constructed |
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146 LOG2("construction failed for uid{%X}, error %d", app.iUid.iUid, err); |
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147 } |
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148 } |
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149 } |
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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 CleanupStack::PopAndDestroy( &sis ); |
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155 CleanupStack::PopAndDestroy( &apa ); |
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156 |
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157 LOG("FindAllServiceProvidersL out"); |
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158 } |
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159 |
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160 // ======== MEMBER FUNCTIONS ======== |
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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 EXPORT_C void MnProviderFinder::FindProvidersL( |
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166 RPointerArray<CMnProvider>& aProviders) |
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167 { |
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168 CMnProvider::TServices allServices = |
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169 CMnProvider::EServiceMapView | |
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170 CMnProvider::EServiceNavigation | |
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171 CMnProvider::EServiceGeocoding | |
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172 CMnProvider::EServiceMapImage; |
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173 |
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174 FindAllServiceProvidersL( aProviders, allServices ); |
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175 } |
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176 |
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177 // --------------------------------------------------------------------------- |
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178 // --------------------------------------------------------------------------- |
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179 // |
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180 EXPORT_C void MnProviderFinder::FindProvidersL( |
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181 RPointerArray<CMnProvider>& aProviders, |
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182 CMnProvider::TServices aRequiredServices) |
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183 { |
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184 FindAllServiceProvidersL( aProviders, aRequiredServices ); |
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185 |
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186 // verify that providers meet service support requirements |
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187 for ( TInt i = aProviders.Count() - 1; i >= 0; i-- ) |
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188 { |
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189 CMnProvider* provider = aProviders[i]; |
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190 |
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191 if ( ( provider->SupportedServices() & aRequiredServices ) != aRequiredServices ) |
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192 { |
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193 aProviders.Remove( i ); |
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194 delete provider; |
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195 } |
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196 } |
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197 } |
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198 |