// Copyright (c) 1997-2009 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:

// Implements the CRomOnlyResolver class.

// 

//

/**

 @internalComponent

 @file

*/

#include <ecom/ecom.h>

#include <ecom/ecomerrorcodes.h>

#include <ecom/ecomresolverparams.h>

#include <ecom/implementationinformation.h>

#include "TestUtilities.h"	// For __FILE__LINE__

#include "RomOnlyResolver.h"

CRomOnlyResolver* CRomOnlyResolver::NewL(MPublicRegistry& aRegistry)

	{

	return new(ELeave) CRomOnlyResolver(aRegistry);

	}

CRomOnlyResolver::~CRomOnlyResolver()

	{

	}

CRomOnlyResolver::CRomOnlyResolver(MPublicRegistry& aRegistry)

: CDefaultResolver(aRegistry)

	{

	// Do nothing here

	}

TUid CRomOnlyResolver::IdentifyImplementationL(TUid aInterfaceUid, 

											   const TEComResolverParams& aAdditionalParameters) const

	{

	RImplInfoArray* implementationsInfo = ListAllL(aInterfaceUid, aAdditionalParameters);

	TUid found = KNullUid;

	if(implementationsInfo->Count())

		{

		found = Resolve(*implementationsInfo, aAdditionalParameters);

		}

	implementationsInfo->Reset();

	delete implementationsInfo;

	return found;

	}

RImplInfoArray* CRomOnlyResolver::ListAllL(TUid aInterfaceUid, 

										   const TEComResolverParams& aAdditionalParameters) const

	{

	// Use the base class version to get the list of matches

	RImplInfoArray* retList = CDefaultResolver::ListAllL(aInterfaceUid, aAdditionalParameters);

	// Now remove any from the list that aren't in ROM (or are upgrades of ROM)

	const TInt count = retList->Count();

	for(TInt index = count-1; index >=0; --index)

		if(!(*retList)[index]->RomBased())

			retList->Remove(index);

	return retList;

	}