// 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 "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 <barsc.h> 

#include <barsread.h>

#include "ruidmapper.h"

#include <framework.rsg>

_LIT(KFrameworkFilename, "\\resource\\mtp\\framework.rsc");

void RUidMapping::ReadFromResourceFileL()

	{

	RFs 	Fs;

	User::LeaveIfError(Fs.Connect());

	CleanupClosePushL(Fs); 

	const TDriveName driveName(TDriveUnit(EDriveZ).Name());

	HBufC* filename = HBufC::NewLC(KMaxDriveName + 

									KFrameworkFilename().Length() );

	TPtr pFileName = filename->Des();	

	pFileName.Append(driveName);

	pFileName.Append(KFrameworkFilename);	

	// Reading from resource file  

	RResourceFile resourceFile;

	resourceFile.OpenL(Fs, *filename);

	CleanupClosePushL(resourceFile);  

	TResourceReader resourceReader;

	MappingStruct st;

	HBufC8* buffer = resourceFile.AllocReadLC(R_ELEMENTS_INFO); 

	resourceReader.SetBuffer(buffer);

	const TInt numberOfEntries=resourceReader.ReadInt16();

	for(TInt count =0;count<numberOfEntries ; count++)

		{

		st.dpUid=resourceReader.ReadInt32();

		TInt entries = resourceReader.ReadInt16();

		for (TInt n = 0 ; n < entries; ++n)

			{

			TUint transportId(resourceReader.ReadInt32());

			st.iTransportUidList.AppendL(transportId);

			}

		InsertToMappingStruct(st);	

		}

	CleanupStack::PopAndDestroy(4, &Fs);

	}

RUidMapping::RUidMapping() 

	{

	}

void RUidMapping::Close()

	{

	iMappingStruct.Close();

	}

void RUidMapping::Open()

	{

	iMappingStruct.Reset();

	}

void RUidMapping::InsertToMappingStruct(MappingStruct& aRef)

	{

	iMappingStruct.Append(aRef);

	}

TBool RUidMapping::GetSupportedTransport(const TUint& aDPUid,const TUint& aTransportUid)

	{

	TBool found = ETrue;

	TInt count = iMappingStruct.Count();

	for(TInt i=0 ; i<count ; i++)

		{

		if(iMappingStruct[i].dpUid == aDPUid)

			{

			if(iMappingStruct[i].iTransportUidList.Find(aTransportUid)<0)

				{

				found = EFalse;

				return found;

				}

			}

		}

	return found;

	}