// 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 "pluginallocator.h"

#include "uloggeroutputplugin.h"

#include <e32cmn.h>

#include <ecom/ecom.h>

namespace Ulogger

{

/*!Default constructor.

*/

CPluginAllocator::CPluginAllocator()

	{

	iOutputPluginBase = NULL;

	iInputPluginBase = NULL;

	}

/*!Destructor.

*/

EXPORT_C CPluginAllocator::~CPluginAllocator()

	{	

	if(iOutputPluginBase)

		{		

		delete iOutputPluginBase;

		iOutputPluginBase = NULL;

		}

	iOutputLib.Close();

	if((iOutputLibName.Compare(iInputLibName)!=0) && iInputPluginBase)

		{		

		delete iInputPluginBase;

		iInputPluginBase = NULL;

		}

	iInputLib.Close();

	REComSession::FinalClose();

	}

/*!Standard Symbian OS construction method which leaves object on CleanupStack.

*/

EXPORT_C CPluginAllocator* CPluginAllocator::NewLC(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)

	{

	CPluginAllocator* obj = new (ELeave) CPluginAllocator();

	CleanupStack::PushL(obj);

	obj->ConstructL(aOutputPluginName, aInputPluginName);

	return obj;

	}

/*!Standard Symbian OS construction method which does not leaves object on CleanupStack.

*/

EXPORT_C CPluginAllocator* CPluginAllocator::NewL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)

	{

	CPluginAllocator* obj = CPluginAllocator::NewLC(aOutputPluginName, aInputPluginName);

	CleanupStack::Pop(); //obj

	return obj;

	}

/*!Standard Symbian OS construction method.

*/

EXPORT_C void CPluginAllocator::ConstructL(const TPtrC8& aOutputPluginName, const TPtrC8& aInputPluginName)

	{	

	//create output and control channels

	}

/*!This function create Output channel according to aOutputSettings.

*/

	{

	TInt retVal = KErrNone;

	iOutputLibName.Copy(aOutputPluginName);

	iInputLibName.Copy(aInputPluginName);

	//create output plugin

	iOutputPluginBase = (CPlugin*)(CPlugin::NewL(aOutputPluginName));

	//create control plugin

	if(iOutputLibName.Compare(iInputLibName) == 0)

		{

		//share implementation

		if(aInputPluginName.Length()>0)

			iInputPluginBase = iOutputPluginBase;

		}

	else

		{

		//create new instance of control plugin

		//ulogger can work without control plugin as this is optional functionality

		if(aInputPluginName.Length()>0)

			iInputPluginBase = (CPlugin*)(CPlugin::NewL(aInputPluginName));

		}

	return retVal;

	}

EXPORT_C MOutputPlugin* CPluginAllocator::GetOutputPlugin()

	{

	if(iOutputPluginBase)

		return (MOutputPlugin*)iOutputPluginBase->GetInterfaceL(MOutputPlugin::iInterfaceId);

	else

		return NULL;

	}

EXPORT_C MInputPlugin* CPluginAllocator::GetInputPlugin()

	{

	if(iInputPluginBase)

		return (MInputPlugin*)iInputPluginBase->GetInterfaceL(MInputPlugin::iInterfaceId);

	else

		return NULL;

	}

EXPORT_C void CPluginAllocator::ListAllImplementationsL(RImplInfoPtrArray& aImplInfoArray)

	{

	REComSession::ListImplementationsL(KCPluginUid, aImplInfoArray);

	}

} //</namespace Ulogger>