lowlevellibsandfws/pluginfw/Framework/frame/TlsData.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 08:38:54 +0300
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// Copyright (c) 2005-2009 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 "TlsData.h"
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#include "LoadManager.h"
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/**
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Standard phase-one construction method for creation of a single instance of 
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CGlobalData class.
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If the call succeeds, a pointer to the created singleton will be stored in TLS.
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@leave KErrNoMemory Out of memory
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@return	A pointer to the created CGlobalData object.
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@internalComponent
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*/
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CGlobalData* CGlobalData::NewL()
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	{
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	CGlobalData* self = CGlobalData::Instance();
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	if(!self)
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		{
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		self = new (ELeave) CGlobalData;
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		CleanupStack::PushL(self);
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		self->ConstructL();
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		User::LeaveIfError(Dll::SetTls(self));
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		CleanupStack::Pop(self);
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		}
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	return self;
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	}
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/**
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The function returns a pointer to the single CGlobalData instance or NULL if it
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is not created yet.
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@return	A pointer to the single CGlobalData instance. It might be NULL.
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@internalComponent
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*/
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CGlobalData* CGlobalData::Instance()
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	{
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	return static_cast <CGlobalData*> (Dll::Tls());
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	}
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CGlobalData::CGlobalData()
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	{
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	}
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/**
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Removes from memory the controlled CLoadManager instance.
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Closes the session connection with the ECOM server.
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Sets TLS to NULL.
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*/
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CGlobalData::~CGlobalData()
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	{
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	delete iLoadManager;
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	iEComSession.ReallyClose();
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	(void)Dll::SetTls(NULL);
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	}
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/**
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Standard phase-two construction method for creation of CGlobalData objects.
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It will create single REComSession instance and single CLoadManager instance.
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@leave KErrNoMemory Out of memory
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*/
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void CGlobalData::ConstructL()
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	{
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	iEComSession.ConstructL();
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	iLoadManager = CLoadManager::NewL();
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	}