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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "wspluginmanager.h" |
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17 #include "Graphics/WSPLUGIN.H" |
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18 #include "inifile.h" |
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19 |
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20 GLREF_D CDebugLogBase* wsDebugLog; |
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21 |
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22 const TInt KPluginInterfaceId = 0x2001B709; |
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23 |
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24 /********************************************************************** |
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25 Plugin Info |
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26 **********************************************************************/ |
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27 CWsPluginManager::CPluginInfo::CPluginInfo() |
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28 { |
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29 } |
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30 |
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31 CWsPluginManager::CPluginInfo::~CPluginInfo() |
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32 { |
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33 delete iPlugin; |
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34 } |
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35 |
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36 /********************************************************************** |
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37 Plugin Manager |
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38 **********************************************************************/ |
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39 CWsPluginManager* CWsPluginManager::NewL(MWsGraphicDrawerEnvironment& aEnvironment) |
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40 { |
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41 CWsPluginManager* self = new (ELeave) CWsPluginManager(aEnvironment); |
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42 CleanupStack::PushL(self); |
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43 self->ConstructL(); |
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44 CleanupStack::Pop(self); |
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45 return self; |
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46 } |
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47 |
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48 CWsPluginManager::CWsPluginManager(MWsGraphicDrawerEnvironment& aEnvironment) : |
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49 iEnvironment(aEnvironment) |
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50 { |
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51 } |
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52 |
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53 CWsPluginManager::~CWsPluginManager() |
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54 { |
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55 iPlugins.ResetAndDestroy(); |
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56 } |
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57 |
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58 void CWsPluginManager::ConstructL() |
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59 { |
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60 _LIT(KPlugins,"PLUGINS"); |
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61 TPtrC pluginString; |
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62 TBool havePlugins = WsIniFile->FindVar(KPlugins,pluginString); |
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63 const TDesC * plugins; |
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64 _LIT(KDefaultPlugins, "FLICKERBUFFER STD DEFAULTFADER"); |
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65 if (havePlugins) |
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66 plugins = &pluginString; |
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67 else |
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68 plugins = &KDefaultPlugins; |
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69 TLex lex(*plugins); |
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70 while(true) |
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71 { |
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72 TPtrC ptr = lex.NextToken(); |
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73 if (ptr.Length() > 0) |
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74 { |
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75 CWsPlugin * plugin = 0; |
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76 TRAPD(err, plugin = CreatePluginL(ptr)); |
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77 |
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78 if (wsDebugLog) |
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79 { |
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80 TBuf<80> buf; |
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81 if (err == KErrNone) |
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82 { |
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83 _LIT(KLoadedPlugin,"Loaded plugin: "); |
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84 _LIT(KPluginName, " calling itself: "); |
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85 buf.Append(KLoadedPlugin); |
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86 buf.Append(ptr); |
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87 buf.Append(KPluginName); |
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88 buf.Append(plugin->PluginName()); |
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89 wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,buf); |
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90 } |
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91 else |
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92 { |
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93 _LIT(KMissingPlugin,"Failed to load plugin (%d): "); |
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94 buf.Append(KMissingPlugin); |
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95 buf.Append(ptr); |
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96 wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,buf,err); |
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97 } |
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98 } |
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99 } |
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100 else |
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101 { |
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102 break; |
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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 CWsPlugin * CWsPluginManager::CreatePluginL(const TDesC& aSection) |
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108 { |
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109 _LIT(KId, "ID"); |
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110 _LIT(KData, "DATA"); |
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111 _LIT(KType, "TYPE"); |
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112 TInt id; |
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113 TPtrC data; |
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114 TPtrC type; |
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115 TAny * dataPtr; |
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116 RBuf8 empty; |
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117 CWsPlugin * plugin = 0; |
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118 TBool hasId = WsIniFile->FindVar(aSection,KId,id); |
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119 TBool hasType = WsIniFile->FindVar(aSection,KType,type); |
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120 if ((!hasId) && (!hasType)) |
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121 { |
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122 _LIT(KFlickerBufferStage, "FLICKERBUFFER"); |
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123 _LIT(KStdStage, "STD"); |
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124 _LIT(KDefaultFader, "DEFAULTFADER"); |
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125 if (!aSection.CompareF(KFlickerBufferStage)) |
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126 { |
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127 hasId = ETrue; |
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128 id = 0x2001B70C; |
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129 } |
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130 else if (!aSection.CompareF(KStdStage)) |
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131 { |
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132 hasId = ETrue; |
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133 id = 0x2001B70A; |
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134 } |
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135 else if (!aSection.CompareF(KDefaultFader)) |
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136 { |
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137 hasId = ETrue; |
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138 id = 0x2001B70D; |
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139 } |
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140 else |
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141 { |
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142 hasType = ETrue; |
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143 type.Set(aSection); |
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144 } |
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145 } |
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146 TBool hasData = WsIniFile->FindVar(aSection,KData,data); |
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147 if (hasData) |
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148 dataPtr = &data; |
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149 else |
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150 dataPtr = NULL; |
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151 |
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152 CPluginInfo* info = new (ELeave) CPluginInfo; |
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153 CleanupStack::PushL(info); |
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154 |
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155 if (hasId) |
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156 { |
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157 TUid uid = TUid::Uid(id); |
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158 plugin = reinterpret_cast<CWsPlugin*>(REComSession::CreateImplementationL(uid,CWsPlugin::DtorIDKeyOffset(),dataPtr)); |
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159 } |
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160 else |
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161 { |
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162 TEComResolverParams params; |
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163 RBuf8 buf8; |
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164 buf8.CreateL(type.Length()); |
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165 CleanupClosePushL(buf8); |
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166 buf8.Copy(type); |
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167 params.SetDataType(buf8); |
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168 plugin = reinterpret_cast<CWsPlugin*>(REComSession::CreateImplementationL(TUid::Uid(KPluginInterfaceId),CWsPlugin::DtorIDKeyOffset(),dataPtr,params)); |
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169 CleanupStack::PopAndDestroy(&buf8); |
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170 } |
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171 |
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172 User::LeaveIfNull(plugin); |
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173 info->iPlugin = plugin; |
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174 plugin->ConstructL(iEnvironment, empty); |
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175 User::LeaveIfError(iPlugins.Append(info)); |
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176 CleanupStack::Pop(info); |
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177 return plugin; |
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178 } |
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179 |
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180 TAny * CWsPluginManager::ResolveObjectInterface(TUint aId) |
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181 { |
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182 if (aId == MWsPluginManager::EWsObjectInterfaceId) |
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183 return static_cast<MWsPluginManager*>(this); |
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184 return NULL; |
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185 } |
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186 |
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187 TAny * CWsPluginManager::ResolvePluginInterface(TUint aId) |
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188 { |
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189 for (TInt p = 0; p < iPlugins.Count(); ++p) |
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190 { |
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191 TAny * interface = iPlugins[p]->iPlugin->ResolveObjectInterface(aId); |
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192 if (interface) |
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193 return interface; |
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194 } |
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195 return NULL; |
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196 } |
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197 |