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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: |
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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 <ecom/ecom.h> |
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20 #include <mmf/common/mmfcontrollerpluginresolver.h> |
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21 #include "cpluginvalidator.h" |
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22 |
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23 // ======== MEMBER FUNCTIONS ======== |
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24 |
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25 // ---------------------------------------------------------------------------- |
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26 // |
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27 // ---------------------------------------------------------------------------- |
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28 // |
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29 EXPORT_C CPluginValidator* CPluginValidator::NewL( TUid aUid, |
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30 TAny *aParameter ) |
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31 { |
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32 CPluginValidator* self = CPluginValidator::NewLC( aUid , aParameter ); |
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33 CleanupStack::Pop( self ); |
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34 return self; |
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35 } |
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36 |
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37 // ---------------------------------------------------------------------------- |
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38 // |
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39 // ---------------------------------------------------------------------------- |
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40 // |
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41 EXPORT_C CPluginValidator* CPluginValidator::NewLC( TUid aUid, |
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42 TAny *aParameter ) |
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43 { |
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44 CPluginValidator* self = new( ELeave ) CPluginValidator( aUid, |
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45 aParameter ); |
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46 CleanupStack::PushL( self ); |
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47 self->ConstructL(); |
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48 return self; |
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49 } |
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50 |
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51 // ---------------------------------------------------------------------------- |
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52 // |
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53 // ---------------------------------------------------------------------------- |
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54 // |
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55 EXPORT_C TAny* CPluginValidator::GetImplementation( TUid aUid ) |
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56 { |
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57 TPluginInfo pluginInfo; |
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58 pluginInfo.iImplementationUid = aUid; |
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59 TInt index = iPluginArray.Find( pluginInfo, |
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60 TIdentityRelation< TPluginInfo >(UidMatch) ); |
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61 return GetImplementation( index ); |
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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 // ---------------------------------------------------------------------------- |
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67 // |
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68 EXPORT_C TAny* CPluginValidator::GetImplementation( TInt aIndex ) |
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69 { |
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70 TAny* ret( NULL ); |
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71 if (( aIndex != KErrNotFound ) && ( aIndex < iPluginArray.Count() )) |
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72 { |
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73 ret= iPluginArray[aIndex].iPlugin; |
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74 } |
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75 return ret; |
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76 } |
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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 EXPORT_C TInt CPluginValidator::GetCount( ) |
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83 { |
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84 return iPluginArray.Count(); |
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85 } |
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86 |
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87 // --------------------------------------------------------------------------- |
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88 // destructor |
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89 // --------------------------------------------------------------------------- |
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90 CPluginValidator::~CPluginValidator() |
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91 { |
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92 Cancel(); |
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93 CleanPluginsTable(); |
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94 iPluginArray.Close( ); |
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95 if( iSession ) |
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96 { |
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97 iSession->Close(); |
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98 } |
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99 REComSession::FinalClose( ); |
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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 // |
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106 void CPluginValidator::RunL() |
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107 { |
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108 ManagePluginsL(); |
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109 iSession->NotifyOnChange( iStatus ); |
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110 SetActive(); |
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111 } |
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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 void CPluginValidator::DoCancel() |
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118 { |
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119 iSession->CancelNotifyOnChange( iStatus ); |
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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 // |
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126 TInt CPluginValidator::RunError( TInt /*aError*/) |
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127 { |
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128 return KErrNone; |
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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 // |
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134 CPluginValidator::CPluginValidator( TUid aUid, TAny* aParameter ): |
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135 CActive(EPriorityStandard), |
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136 iUid( aUid ), |
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137 iParameter( aParameter ) |
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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 // |
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144 // ---------------------------------------------------------------------------- |
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145 // |
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146 void CPluginValidator::ConstructL() |
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147 { |
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148 iSession = &REComSession::OpenL(); |
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149 ManagePluginsL(); |
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150 iSession->NotifyOnChange( iStatus ); |
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151 CActiveScheduler::Add( this ); |
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152 SetActive(); |
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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 // ---------------------------------------------------------------------------- |
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158 // |
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159 TBool CPluginValidator::PresentInArrayL( TPluginInfo aPluginInfo, |
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160 const RImplInfoPtrArray& aInfoArray ) |
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161 { |
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162 TBool result(EFalse); |
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163 for ( TInt i = 0; i< aInfoArray.Count(); i++ ) |
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164 { |
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165 if ( aPluginInfo.iImplementationUid.iUid == |
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166 aInfoArray[i]->ImplementationUid().iUid) |
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167 { |
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168 result = ETrue; |
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169 break; |
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170 } |
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171 } |
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172 return result; |
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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 // ---------------------------------------------------------------------------- |
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178 // |
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179 void CPluginValidator::DestroyPlugin( TInt aIndex ) |
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180 { |
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181 CBase* plugin = static_cast<CBase*>( iPluginArray[aIndex].iPlugin ); |
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182 delete plugin; |
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183 REComSession::DestroyedImplementation( |
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184 iPluginArray[aIndex].iDtor_ID_Key ); |
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185 } |
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186 |
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187 // ---------------------------------------------------------------------------- |
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188 // |
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189 // ---------------------------------------------------------------------------- |
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190 // |
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191 void CPluginValidator::CleanPluginsTable() |
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192 { |
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193 for ( TInt i = 0; i < iPluginArray.Count(); i++ ) |
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194 { |
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195 DestroyPlugin( i ); |
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196 } |
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197 } |
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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 void CPluginValidator::ManagePluginsL() |
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204 { |
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205 // Read info about all implementations into infoArray |
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206 RImplInfoPtrArray infoArray; |
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207 CleanupResetAndDestroyPushL( infoArray ); |
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208 |
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209 REComSession::ListImplementationsL( iUid , infoArray ); |
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210 TPluginInfo pluginInfo; |
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211 //Load new plugins |
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212 for ( TInt i = 0; i < infoArray.Count( ); i++ ) |
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213 { |
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214 pluginInfo.iImplementationUid = infoArray[i]->ImplementationUid( ); |
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215 pluginInfo.iVersion = infoArray[i]->Version(); |
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216 |
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217 TInt index = iPluginArray.Find( pluginInfo, |
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218 TIdentityRelation< TPluginInfo >(UidMatch) ); |
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219 |
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220 if ( index == KErrNotFound ) |
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221 { |
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222 //plugin wasn't present, we load it now |
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223 LoadPluginL( pluginInfo ); |
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224 } |
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225 else if ( pluginInfo.iVersion > iPluginArray[index].iVersion ) |
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226 { |
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227 //plugin was present but it is a newer version, |
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228 //remove old and load a new one |
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229 DestroyPlugin( index ); |
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230 iPluginArray.Remove( index ); |
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231 LoadPluginL( pluginInfo ); |
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232 } |
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233 } |
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234 //Remove old plugins |
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235 for ( TInt i = iPluginArray.Count() - 1 ; i >= 0; i-- ) |
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236 { |
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237 pluginInfo = iPluginArray[i]; |
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238 if ( !PresentInArrayL( pluginInfo, infoArray ) ) |
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239 { |
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240 DestroyPlugin( i ); |
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241 iPluginArray.Remove( i ); |
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242 } |
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243 } |
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244 CleanupStack::PopAndDestroy( &infoArray ); |
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245 } |
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246 |
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247 // ---------------------------------------------------------------------------- |
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248 // |
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249 // ---------------------------------------------------------------------------- |
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250 // |
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251 void CPluginValidator::LoadPluginL( TPluginInfo& aPluginInfo ) |
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252 { |
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253 TAny* plug ( NULL ); |
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254 TInt err( KErrNone ); |
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255 TRAP( err, plug = REComSession::CreateImplementationL( |
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256 aPluginInfo.iImplementationUid, |
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257 aPluginInfo.iDtor_ID_Key, iParameter ) ); |
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258 if( err==KErrNone && plug ) |
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259 { |
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260 CleanupStack::PushL( plug ); |
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261 aPluginInfo.iPlugin = plug; |
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262 iPluginArray.AppendL( aPluginInfo ); |
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263 CleanupStack::Pop( plug ); |
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264 } |
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265 } |
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266 |