1 /* |
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2 * Copyright (c) 2007 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: Encapsulates factory plugin loading mechanism |
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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 |
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20 #include <ecom/ecom.h> |
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21 //#include <alf/alfecompluginfactoryuid.rh> |
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22 #include <alf/ialffactoryplugin.h> |
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23 #include <string.h> |
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24 #include <memory> |
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25 #include <osn/osnnew.h> |
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26 #include <stdexcept> |
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27 |
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28 #include "alf/alfecompluginfactoryuid.rh" |
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29 #include "alffactorypluginloaderimpl.h" |
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30 |
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31 using namespace std; |
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32 |
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33 namespace Alf |
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34 { |
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35 |
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36 |
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37 |
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38 class AlfFactoryPluginMap |
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39 { |
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40 public: |
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41 AlfFactoryPluginMap(); |
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42 ~AlfFactoryPluginMap(); |
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43 |
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44 /** |
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45 * Owned factory plugin. |
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46 */ |
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47 IAlfFactoryPlugin* mFactoryPlugin; |
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48 /** |
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49 * ECom destructor handle. |
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50 */ |
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51 int mDtorKey; |
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52 }; |
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53 |
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54 static bool loadPluginIntoMap( |
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55 AlfFactoryPluginMap*& aMap, |
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56 const char* aProduct) |
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57 { |
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58 TEComResolverParams resolverParams; |
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59 resolverParams.SetDataType(TPtrC8((TUint8*)aProduct)); |
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60 resolverParams.SetWildcardMatch(ETrue); |
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61 |
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62 TAny* plugin = NULL; |
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63 TUid tmpDtor; |
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64 |
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65 TRAPD(err,plugin = REComSession::CreateImplementationL( |
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66 TUid::Uid(KFactoryPluginUid), |
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67 tmpDtor,resolverParams)) |
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68 |
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69 |
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70 if (!err) |
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71 { |
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72 aMap->mDtorKey = tmpDtor.iUid; |
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73 aMap->mFactoryPlugin = reinterpret_cast<IAlfFactoryPlugin*>( |
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74 plugin); |
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75 return true; |
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76 } |
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77 |
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78 return false; |
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79 } |
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80 |
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81 AlfFactoryPluginMap::AlfFactoryPluginMap() |
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82 :mFactoryPlugin(0),mDtorKey(0) |
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83 { |
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84 |
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85 } |
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86 |
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87 AlfFactoryPluginMap::~AlfFactoryPluginMap() |
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88 { |
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89 if (mFactoryPlugin) |
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90 { |
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91 REComSession::DestroyedImplementation(TUid::Uid(mDtorKey)); |
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92 delete mFactoryPlugin; |
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93 } |
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94 } |
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95 |
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96 AlfFactoryPluginLoaderImpl::AlfFactoryPluginLoaderImpl() |
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97 { |
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98 |
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99 } |
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100 |
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101 AlfFactoryPluginLoaderImpl::~AlfFactoryPluginLoaderImpl() |
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102 { |
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103 mFactoryPluginList.clear(); |
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104 |
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105 } |
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106 |
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107 IAlfFactoryPlugin* AlfFactoryPluginLoaderImpl::load( |
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108 const char* aLoadId) |
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109 { |
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110 IAlfFactoryPlugin* ret(0); |
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111 IAlfFactoryPlugin* tmp(0); |
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112 // Do we have it already? |
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113 unsigned int itemCount(mFactoryPluginList.count()); |
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114 |
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115 for (int i=0;i<itemCount && !ret;i++) |
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116 { |
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117 tmp = mFactoryPluginList.at(i)->mFactoryPlugin; |
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118 int productCount = tmp->productCount(); |
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119 for (int j=0;j<productCount && !ret;j++) |
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120 { |
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121 if (!strcmp(tmp->productInfo(j),aLoadId )) |
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122 { |
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123 ret = tmp; |
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124 } |
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125 } |
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126 } |
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127 if (!ret) |
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128 { |
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129 auto_ptr<AlfFactoryPluginMap> mapPtr(new(EMM)AlfFactoryPluginMap()); |
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130 AlfFactoryPluginMap* map = mapPtr.get(); |
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131 |
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132 if (loadPluginIntoMap(map,aLoadId)) |
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133 { |
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134 ret = mapPtr->mFactoryPlugin; |
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135 mFactoryPluginList.resize(itemCount+1); |
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136 mFactoryPluginList.insert(itemCount,map); |
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137 |
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138 mapPtr.release(); |
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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 return ret; |
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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 // End of File |
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