// Copyright (c) 2006-2009 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 "cmtpfiledpconfigmgr.h"

#include <mtp/mmtpdataproviderconfig.h>

#include <mtp/mmtpdataproviderframework.h>

#define UNUSED_VAR(v) (v = v)

CMTPFileDpConfigMgr* CMTPFileDpConfigMgr::NewL(MMTPDataProviderFramework& aFramework)

	{

	CMTPFileDpConfigMgr* self = new (ELeave) CMTPFileDpConfigMgr(aFramework);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CMTPFileDpConfigMgr::CMTPFileDpConfigMgr(MMTPDataProviderFramework& aFramework) :

	iFramework(aFramework)

	{

	}

void CMTPFileDpConfigMgr::ConstructL()

	{

	iResourceId = iFramework.DataProviderConfig().UintValue(MMTPDataProviderConfig::EOpaqueResource);

	RResourceFile resFile;

	CleanupClosePushL(resFile);

	resFile.OpenL(iFramework.Fs(), iFramework.DataProviderConfig().DesCValue(MMTPDataProviderConfig::EResourceFileName));

	HBufC8* res = resFile.AllocReadLC(iResourceId);

	TResourceReader reader;

	reader.SetBuffer(res);

	// WORD - enumeration_iteration_length

	iEnumItrLength = reader.ReadInt16();

	// Do not read format_exclusion_list and extension_map 

	// to conserve memory - instead read it in dynamically when requested

	CleanupStack::PopAndDestroy(res);

	CleanupStack::PopAndDestroy(&resFile);

	}

CMTPFileDpConfigMgr::~CMTPFileDpConfigMgr()

	{

	}

TUint CMTPFileDpConfigMgr::UintValueL(TParameter aParam) const

	{

	__ASSERT_DEBUG(aParam == CMTPFileDpConfigMgr::EEnumerationIterationLength, User::Invariant());

	UNUSED_VAR(aParam);

	return iEnumItrLength;

	}

void CMTPFileDpConfigMgr::GetArrayValueL(TParameter aParam, RArray<TUint>& aArray) const

	{

	__ASSERT_DEBUG(aParam == CMTPFileDpConfigMgr::EFormatExclusionList, User::Invariant());

	UNUSED_VAR(aParam);

	ReadFormatExclusionListL(aArray);

	}

void CMTPFileDpConfigMgr::ReadFormatExclusionListL(RArray<TUint>& aArray) const

	{

	RResourceFile resFile;

	CleanupClosePushL(resFile);

	resFile.OpenL(iFramework.Fs(), iFramework.DataProviderConfig().DesCValue(MMTPDataProviderConfig::EResourceFileName));

	HBufC8* res = resFile.AllocReadLC(iResourceId);

	TResourceReader reader;

	reader.SetBuffer(res);

	// WORD - enumeration_iteration_length, skip it

	reader.ReadInt16();

	// WORD - length of format_exclusion_list

	TInt16 len = reader.ReadInt16();

	TInt err(KErrNone);

	// WORD[] - of len items

	while(len--)

		{

		err = aArray.InsertInOrder(TUint(reader.ReadUint16()));

		if( (err != KErrNone) && (err != KErrAlreadyExists) )

			{

			User::Leave(err);

			}

		}

	CleanupStack::PopAndDestroy(res);

	CleanupStack::PopAndDestroy(&resFile);

	}

TInt CMTPFileDpConfigMgr::FormatCompare(const TUint& aFirst, const TUint& aSecond)

	{

	return (aFirst - aSecond);

	}