--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swcomponentregistry/source/server/scrsubsession.cpp	Fri Mar 19 09:33:35 2010 +0200
@@ -0,0 +1,242 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: 
+* Implements CScrSubsession. See class and function definitions for more information.
+*
+*/
+
+
+/**
+ @file
+*/
+
+#include "scrsubsession.h"
+#include "scrrequestimpl.h"
+#include "scrdatabase.h"
+#include <scs/ipcstream.h>
+#include <scs/cleanuputils.h>
+
+using namespace Usif;
+
+/////////////////
+// CScrSubsession
+/////////////////
+
+CScrSubsession::CScrSubsession(CScrSession &aSession)
+/**
+	This constructor is protected and prevents direct instantiation.
+ */
+	: CScsSubsession(aSession)
+	{
+	iSession = static_cast<CScrSession *>(&aSession);
+	iServer = static_cast<CScrServer *>(&iSession->iServer);
+	}
+
+void CScrSubsession::ConstructL()
+/**
+	Second-phase constructor.
+ */
+	{
+	iServer->AddSubsessionOwnerL(iSession);
+	}
+
+CScrSubsession::~CScrSubsession()
+/**
+ 	Virtual destructor. Closes the database session handle.
+ */
+	{
+	iServer->RemoveSubsessionOwner(iSession);
+	delete iStatement;
+	}
+	
+///////////////////////////
+// CCompViewSubsessionContext
+///////////////////////////	
+	
+CCompViewSubsessionContext::~CCompViewSubsessionContext()
+	{
+	delete iLastSoftwareTypeName;
+	iComponentFilterSuperset.Close();
+	}
+	
+///////////////////////////
+// CComponentViewSubsession
+///////////////////////////
+
+CComponentViewSubsession* CComponentViewSubsession::NewL(CScrSession &aSession)
+/**
+	Factory function allocates a new instance of CComponentViewSubsession.
+	
+	Note that CComponentViewSubsession derives from CObject and therefore it MUST NOT be deleted directly,
+	instead it should be closed.
+	 
+	@return					The newly created instance of CComponentViewSubsession.
+							Ownership is transferred to the caller.
+ */
+	{
+	CComponentViewSubsession* self = new(ELeave) CComponentViewSubsession(aSession);
+	CleanupClosePushL(*self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CComponentViewSubsession::CComponentViewSubsession(CScrSession &aSession)
+/**
+	This constructor is private and prevents direct instantiation. It provides
+	a single point of definition from which to call the superclass c'tor.
+ */
+	:	CScrSubsession(aSession)
+	{	
+	}
+
+void CComponentViewSubsession::ConstructL()
+/**
+	Second-phase constructor.
+ */
+	{
+	iSubsessionContext = new (ELeave) CCompViewSubsessionContext;		
+	CScrSubsession::ConstructL();
+	}
+
+CComponentViewSubsession::~CComponentViewSubsession()
+/**
+	Destructor for the subsession object.
+ */
+	{
+	delete iFilter;
+	delete iComponentEntry;
+	iComponentEntryList.ResetAndDestroy();
+	delete iSubsessionContext;
+	}
+
+TBool CComponentViewSubsession::DoServiceL(TInt aFunction, const RMessage2& aMessage)
+/**
+	Implement CComponentViewSubsession by handling the supplied message.
+
+	@param	aFunction		Function identifier without SCS code.
+	@param	aMessage		Standard server-side handle to message.
+	@return ETrue means complete client request now. EFalse for asynchronous tasks.
+ */
+	{
+	TScrSubSessionFunction f = static_cast<TScrSubSessionFunction>(aFunction);
+	
+	switch (f)
+		{
+		case EOpenComponentsView:
+			{
+			DeleteObjectZ(iFilter);
+			iFilter = iServer->RequestImpL()->ReadComponentFilterL(aMessage);
+			DeleteObjectZ(iStatement);
+			iStatement = iServer->RequestImpL()->OpenComponentViewL(*iFilter, iSubsessionContext->iComponentFilterSuperset, iSubsessionContext->iFilterSupersetInUse);
+			break;
+			}
+		case EGetNextComponentSize:
+			iServer->RequestImpL()->NextComponentSizeL(aMessage, iStatement, iFilter, iComponentEntry, this->iSubsessionContext);
+			break;
+		case EGetNextComponentData:
+			iServer->RequestImpL()->NextComponentDataL(aMessage, iComponentEntry);
+			break;
+		case EGetNextComponentSetSize:
+			iServer->RequestImpL()->NextComponentSetSizeL(aMessage, iStatement, iFilter, iComponentEntryList, this->iSubsessionContext);
+			break;
+		case EGetNextComponentSetData:
+			iServer->RequestImpL()->NextComponentSetDataL(aMessage, iComponentEntryList);
+			break;
+		default:
+			User::Leave(KErrNotSupported);
+			break;
+		}
+	return ETrue;
+	}
+
+
+///////////////////////
+// CFileListSubsession
+///////////////////////
+
+CFileListSubsession* CFileListSubsession::NewL(CScrSession &aSession)
+/**
+	Factory function allocates a new instance of CFileListSubsession.
+	
+	Note that CFileListSubsession derives from CObject and therefore it MUST NOT be deleted directly,
+	instead it should be closed.
+	 
+	@return					The newly created instance of CFileListSubsession.
+							Ownership is transferred to the caller.
+ */
+	{
+	CFileListSubsession* self = new(ELeave) CFileListSubsession(aSession);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CFileListSubsession::CFileListSubsession(CScrSession &aSession)
+/**
+	This constructor is private and prevents direct instantiation. It provides
+	a single point of definition from which to call the superclass c'tor.
+ */
+	:	CScrSubsession(aSession)
+	{
+	// empty.
+	}
+
+CFileListSubsession::~CFileListSubsession()
+/**
+	Destructor for the subsession object.
+ */
+	{		
+	delete iFilePath;
+	iFileList.Close();
+	}
+
+TBool CFileListSubsession::DoServiceL(TInt aFunction, const RMessage2& aMessage)
+/**
+	Implement CFileListSubsession by handling the supplied message.
+
+	@param	aFunction		Function identifier without SCS code.
+	@param	aMessage		Standard server-side handle to message.
+	@return ETrue means complete client request now. EFalse for asynchronous tasks.
+ */
+	{
+	TScrSessionFunction f = static_cast<TScrSessionFunction>(aFunction);
+	
+	switch (f)
+		{
+		case EOpenFileList:
+			{
+			DeleteObjectZ(iStatement);
+			iStatement = iServer->RequestImpL()->OpenFileListL(aMessage);
+			break;
+			}
+		case EGetNextFileSize:
+			iServer->RequestImpL()->NextFileSizeL(aMessage, iStatement, iFilePath);
+			break;
+		case EGetNextFileData:
+			iServer->RequestImpL()->NextFileDataL(aMessage, iFilePath);
+			break;
+		case EGetNextFileSetSize:
+			iServer->RequestImpL()->NextFileSetSizeL(aMessage, iStatement, iFileList);
+			break;
+		case EGetNextFileSetData:
+			iServer->RequestImpL()->NextFileSetDataL(aMessage, iFileList);
+			break;
+		default:
+			User::Leave(KErrNotSupported);
+			break;
+		}
+	return ETrue;
+	}