--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/nga/SERVER/openwfc/wspluginmanager.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,216 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "wspluginmanager.h"
+#include "Graphics/WSPLUGIN.H"
+#include "inifile.h"
+
+GLREF_D CDebugLogBase* wsDebugLog;
+
+const TInt KPluginInterfaceId = 0x10285A29;
+
+/**********************************************************************
+Plugin Info
+**********************************************************************/
+CWsPluginManager::CPluginInfo::CPluginInfo()
+	{
+	}
+
+CWsPluginManager::CPluginInfo::~CPluginInfo()
+	{
+	delete iPlugin;
+	}
+
+/**********************************************************************
+Plugin Manager
+**********************************************************************/
+CWsPluginManager* CWsPluginManager::NewL()
+	{
+	CWsPluginManager* self = new (ELeave) CWsPluginManager();
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CWsPluginManager::CWsPluginManager() :
+    iSession(REComSession::OpenL())
+	{
+	}
+	
+CWsPluginManager::~CWsPluginManager()
+	{
+	iPlugins.ResetAndDestroy();
+	iSession.Close();
+	REComSession::FinalClose();
+	}
+
+void CWsPluginManager::ConstructL()
+	{
+	_LIT(KPlugins,"PLUGINS");
+	
+	TPtrC pluginString;
+	TBool havePlugins=WsIniFile->FindVar(KPlugins,pluginString);
+	const TDesC * plugins;
+	_LIT(KDefaultPlugins, "FLICKERBUFFER DISPLAY");	
+	if (havePlugins)
+		plugins = &pluginString;
+	else
+		plugins = &KDefaultPlugins;
+	TLex lex(*plugins);
+	while(true)
+		{
+		TPtrC ptr = lex.NextToken();
+		if (ptr.Length() > 0)
+			{
+			CWsPlugin * plugin = 0;
+			
+			TRAPD(err, plugin = LoadPluginL(ptr));
+
+			if (wsDebugLog)
+				{
+				TBuf<80> buf;
+				if (err == KErrNone)
+					{
+					_LIT(KLoadedPlugin,"Loaded plugin: ");
+					_LIT(KPluginName, " calling itself: ");
+					buf.Append(KLoadedPlugin);
+					buf.Append(ptr);
+					buf.Append(KPluginName);
+					buf.Append(plugin->PluginName());
+					wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,buf);
+					}
+				else
+					{
+					_LIT(KMissingPlugin,"Failed to load plugin (%d): ");
+					buf.Append(KMissingPlugin);
+					buf.Append(ptr);
+					wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,buf,err);
+					}
+				}
+
+			if (err<KErrNone)
+				{	//Additionally log to RDebug if error
+				_LIT(KMissingPlugin,"WServ: Failed to load plugin %S (error %d)");
+				RDebug::Print(KMissingPlugin,&ptr,err);
+				}
+			}
+		else
+			{
+			break;
+			}
+		}
+	}
+
+CWsPlugin * CWsPluginManager::LoadPluginL(const TDesC& aSection)
+	{
+	_LIT(KId, "ID");
+	_LIT(KData, "DATA");
+	_LIT(KType, "TYPE");
+	TInt id;
+	TPtrC data;
+	TPtrC type;
+	TAny * dataPtr;
+	CWsPlugin * plugin = 0;
+	TBool hasId=WsIniFile->FindVar(aSection,KId,id);
+	TBool hasType=WsIniFile->FindVar(aSection,KType,type);
+	if ((!hasId) && (!hasType))
+		{
+		_LIT(KCscStage, "TCSC");
+		_LIT(KFlickerBufferStage, "FLICKERBUFFER");
+		_LIT(KDisplayStage, "DISPLAY");
+		if (!aSection.CompareF(KFlickerBufferStage))
+			{
+			hasId = ETrue;
+			id = 0x1028637B;
+			}
+		else if (!aSection.CompareF(KDisplayStage))
+			{
+			hasId = ETrue;
+			id = 0x1028637A;
+			}
+		else if (!aSection.CompareF(KCscStage))
+			{
+			hasId = ETrue;
+			id = 0x10286507;
+			}	
+		else
+			{
+			hasType = ETrue;
+			type.Set(aSection);
+			}
+		}	
+	TBool hasData = WsIniFile->FindVar(aSection,KData,data);
+	
+	if (hasData)
+		dataPtr = &data;
+	else
+		dataPtr = NULL;
+
+	CPluginInfo* info = new (ELeave) CPluginInfo;
+	CleanupStack::PushL(info);
+
+	if (hasId)
+		{
+		TUid uid = TUid::Uid(id);
+		plugin = reinterpret_cast<CWsPlugin*>(iSession.CreateImplementationL(uid, CWsPlugin::DtorIDKeyOffset(), dataPtr));
+		}
+	else
+		{
+		TEComResolverParams params;
+		RBuf8 buf8;
+		buf8.CreateL(type.Length());
+		CleanupClosePushL(buf8);
+		buf8.Copy(type);
+		params.SetDataType(buf8);
+		plugin = reinterpret_cast<CWsPlugin*>(iSession.CreateImplementationL(TUid::Uid(KPluginInterfaceId),CWsPlugin::DtorIDKeyOffset(),dataPtr,params));
+		CleanupStack::PopAndDestroy(&buf8);
+		}
+	
+	User::LeaveIfNull(plugin);
+	info->iPlugin = plugin;
+	User::LeaveIfError(iPlugins.Append(info));
+	CleanupStack::Pop(info);
+	return plugin;
+	}
+
+void CWsPluginManager::InitializePluginsL(MWsGraphicDrawerEnvironment& aEnvironment)
+	{
+	TInt nbPlugins=iPlugins.Count();
+	RBuf8 empty;
+	for (TInt k=0;k<nbPlugins;k++)
+		{
+		iPlugins[k]->iPlugin->ConstructL(aEnvironment,empty);
+		}
+	}
+
+TAny * CWsPluginManager::ResolveObjectInterface(TUint aId)
+	{
+	if (aId == MWsPluginManager::EWsObjectInterfaceId)
+		return static_cast<MWsPluginManager*>(this);
+	return NULL;
+	}
+
+TAny * CWsPluginManager::ResolvePluginInterface(TUint aId)
+	{
+	for (TInt p = 0; p < iPlugins.Count(); ++p)
+		{
+		TAny * interface = iPlugins[p]->iPlugin->ResolveObjectInterface(aId);
+		if (interface)
+			return interface;
+		}
+	return NULL;
+	}
+