// 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;

 	}