author | William Roberts <williamr@symbian.org> |
Fri, 02 Apr 2010 11:19:14 +0100 | |
branch | NewGraphicsArchitecture |
changeset 27 | 525ea837ea6b |
parent 0 | 5d03bc08d59c |
child 121 | d72fc2aace31 |
permissions | -rw-r--r-- |
0
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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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#include "wspluginmanager.h" |
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#include "Graphics/WSPLUGIN.H" |
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#include "inifile.h" |
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GLREF_D CDebugLogBase* wsDebugLog; |
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const TInt KPluginInterfaceId = 0x10285A29; |
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/********************************************************************** |
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Plugin Info |
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**********************************************************************/ |
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CWsPluginManager::CPluginInfo::CPluginInfo() |
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{ |
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} |
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|
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CWsPluginManager::CPluginInfo::~CPluginInfo() |
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{ |
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delete iPlugin; |
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} |
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/********************************************************************** |
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Plugin Manager |
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**********************************************************************/ |
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CWsPluginManager* CWsPluginManager::NewL() |
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{ |
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CWsPluginManager* self = new (ELeave) CWsPluginManager(); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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CWsPluginManager::CWsPluginManager() : |
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iSession(REComSession::OpenL()) |
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{ |
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} |
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|
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CWsPluginManager::~CWsPluginManager() |
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{ |
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iPlugins.ResetAndDestroy(); |
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iSession.Close(); |
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REComSession::FinalClose(); |
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} |
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void CWsPluginManager::ConstructL() |
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{ |
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_LIT(KPlugins,"PLUGINS"); |
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TPtrC pluginString; |
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TBool havePlugins=WsIniFile->FindVar(KPlugins,pluginString); |
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const TDesC * plugins; |
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_LIT(KDefaultPlugins, "FLICKERBUFFER DISPLAY"); |
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if (havePlugins) |
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plugins = &pluginString; |
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else |
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plugins = &KDefaultPlugins; |
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TLex lex(*plugins); |
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while(true) |
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{ |
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TPtrC ptr = lex.NextToken(); |
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if (ptr.Length() > 0) |
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{ |
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CWsPlugin * plugin = 0; |
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TRAPD(err, plugin = LoadPluginL(ptr)); |
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if (wsDebugLog) |
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{ |
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TBuf<80> buf; |
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if (err == KErrNone) |
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{ |
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_LIT(KLoadedPlugin,"Loaded plugin: "); |
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_LIT(KPluginName, " calling itself: "); |
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buf.Append(KLoadedPlugin); |
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buf.Append(ptr); |
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buf.Append(KPluginName); |
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buf.Append(plugin->PluginName()); |
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wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,buf); |
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} |
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else |
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{ |
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_LIT(KMissingPlugin,"Failed to load plugin (%d): "); |
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buf.Append(KMissingPlugin); |
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buf.Append(ptr); |
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wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,buf,err); |
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} |
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} |
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|
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if (err<KErrNone) |
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105 |
{ //Additionally log to RDebug if error |
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106 |
_LIT(KMissingPlugin,"WServ: Failed to load plugin %S (error %d)"); |
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107 |
RDebug::Print(KMissingPlugin,&ptr,err); |
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108 |
} |
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109 |
} |
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110 |
else |
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111 |
{ |
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112 |
break; |
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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 |
CWsPlugin * CWsPluginManager::LoadPluginL(const TDesC& aSection) |
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118 |
{ |
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119 |
_LIT(KId, "ID"); |
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120 |
_LIT(KData, "DATA"); |
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121 |
_LIT(KType, "TYPE"); |
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122 |
TInt id; |
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123 |
TPtrC data; |
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124 |
TPtrC type; |
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125 |
TAny * dataPtr; |
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126 |
CWsPlugin * plugin = 0; |
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127 |
TBool hasId=WsIniFile->FindVar(aSection,KId,id); |
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128 |
TBool hasType=WsIniFile->FindVar(aSection,KType,type); |
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129 |
if ((!hasId) && (!hasType)) |
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130 |
{ |
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131 |
_LIT(KCscStage, "TCSC"); |
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132 |
_LIT(KFlickerBufferStage, "FLICKERBUFFER"); |
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133 |
_LIT(KDisplayStage, "DISPLAY"); |
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134 |
if (!aSection.CompareF(KFlickerBufferStage)) |
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135 |
{ |
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136 |
hasId = ETrue; |
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137 |
id = 0x1028637B; |
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138 |
} |
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139 |
else if (!aSection.CompareF(KDisplayStage)) |
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140 |
{ |
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141 |
hasId = ETrue; |
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142 |
id = 0x1028637A; |
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143 |
} |
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|
144 |
else if (!aSection.CompareF(KCscStage)) |
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|
145 |
{ |
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|
146 |
hasId = ETrue; |
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147 |
id = 0x10286507; |
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148 |
} |
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149 |
else |
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|
150 |
{ |
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151 |
hasType = ETrue; |
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|
152 |
type.Set(aSection); |
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153 |
} |
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154 |
} |
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|
155 |
TBool hasData = WsIniFile->FindVar(aSection,KData,data); |
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|
156 |
|
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|
157 |
if (hasData) |
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|
158 |
dataPtr = &data; |
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|
159 |
else |
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|
160 |
dataPtr = NULL; |
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|
161 |
|
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|
162 |
CPluginInfo* info = new (ELeave) CPluginInfo; |
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|
163 |
CleanupStack::PushL(info); |
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|
164 |
|
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|
165 |
if (hasId) |
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|
166 |
{ |
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|
167 |
TUid uid = TUid::Uid(id); |
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|
168 |
plugin = reinterpret_cast<CWsPlugin*>(iSession.CreateImplementationL(uid, CWsPlugin::DtorIDKeyOffset(), dataPtr)); |
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|
169 |
} |
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|
170 |
else |
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|
171 |
{ |
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|
172 |
TEComResolverParams params; |
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|
173 |
RBuf8 buf8; |
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|
174 |
buf8.CreateL(type.Length()); |
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|
175 |
CleanupClosePushL(buf8); |
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|
176 |
buf8.Copy(type); |
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|
177 |
params.SetDataType(buf8); |
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|
178 |
plugin = reinterpret_cast<CWsPlugin*>(iSession.CreateImplementationL(TUid::Uid(KPluginInterfaceId),CWsPlugin::DtorIDKeyOffset(),dataPtr,params)); |
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|
179 |
CleanupStack::PopAndDestroy(&buf8); |
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|
180 |
} |
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|
181 |
|
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|
182 |
User::LeaveIfNull(plugin); |
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|
183 |
info->iPlugin = plugin; |
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|
184 |
User::LeaveIfError(iPlugins.Append(info)); |
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|
185 |
CleanupStack::Pop(info); |
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|
186 |
return plugin; |
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|
187 |
} |
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|
188 |
|
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|
189 |
void CWsPluginManager::InitializePluginsL(MWsGraphicDrawerEnvironment& aEnvironment) |
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|
190 |
{ |
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|
191 |
TInt nbPlugins=iPlugins.Count(); |
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|
192 |
RBuf8 empty; |
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|
193 |
for (TInt k=0;k<nbPlugins;k++) |
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|
194 |
{ |
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|
195 |
iPlugins[k]->iPlugin->ConstructL(aEnvironment,empty); |
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196 |
} |
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|
197 |
} |
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|
198 |
|
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|
199 |
TAny * CWsPluginManager::ResolveObjectInterface(TUint aId) |
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|
200 |
{ |
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|
201 |
if (aId == MWsPluginManager::EWsObjectInterfaceId) |
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|
202 |
return static_cast<MWsPluginManager*>(this); |
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|
203 |
return NULL; |
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|
204 |
} |
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|
205 |
|
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|
206 |
TAny * CWsPluginManager::ResolvePluginInterface(TUint aId) |
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|
207 |
{ |
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|
208 |
for (TInt p = 0; p < iPlugins.Count(); ++p) |
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209 |
{ |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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210 |
TAny * interface = iPlugins[p]->iPlugin->ResolveObjectInterface(aId); |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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211 |
if (interface) |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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212 |
return interface; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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213 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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214 |
return NULL; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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215 |
} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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216 |