/*

* 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: 

*

*/

#include "cntcurrentitemmap.h"

#include <s32stor.h>

#include <s32file.h>

const TInt KCntCurrentItemMapGranularity = 3;

CCntServerCurrentItemMap::CCntServerCurrentItemMap() : iCurrentItemMap(KCntCurrentItemMapGranularity)

	{

	}

CCntServerCurrentItemMap::~CCntServerCurrentItemMap()

	{

	iCurrentItemMap.ResetAndDestroy();

	iCurrentItemMap.Close();

	}

TContactItemId CCntServerCurrentItemMap::CurrentItem(const TDesC& aDatabaseFile) const

	{

	TInt index = KErrNotFound;

	if	(EntryAvailable(aDatabaseFile, index))

		return iCurrentItemMap[index]->ContactId();

	return KNullContactId;

	}

TBool CCntServerCurrentItemMap::EntryAvailable(const TDesC& aDatabaseFile, TInt& aIndex) const

	{

	const TInt count = iCurrentItemMap.Count();

	for(aIndex = 0; aIndex < count; aIndex++)

		{

		if (FileNamesIdentical(iCurrentItemMap[aIndex]->DatabaseFile(),aDatabaseFile))

			return ETrue;

		}

	aIndex = KErrNotFound;

	return EFalse;

	}

void CCntServerCurrentItemMap::UpdateEntryL(TInt aIndex, TContactItemId aId)

	{

	__ASSERT_ALWAYS(aIndex >= 0 && aIndex < iCurrentItemMap.Count(), User::Leave(KErrOverflow));

	iCurrentItemMap[aIndex]->SetContactId(aId);

	}

void CCntServerCurrentItemMap::AddEntryL(const TDesC& aDatabaseFile, TContactItemId aId)

	{

	CCntCurrentItemMapEntry* entry = new(ELeave) CCntCurrentItemMapEntry();

	CleanupStack::PushL(entry);

	entry->ConstructL(aDatabaseFile, aId);

	User::LeaveIfError(iCurrentItemMap.Append(entry));

	CleanupStack::Pop(); // entry

	}

void CCntServerCurrentItemMap::StoreL(CDictionaryFileStore& aStore) const

	{

	RDictionaryWriteStream stream;

	stream.AssignLC(aStore, KUidCntCurrentItemStream);

	const TInt count = iCurrentItemMap.Count();

	stream.WriteInt32L(count);

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

		{

		const CCntCurrentItemMapEntry* entry = iCurrentItemMap[i];

		stream << *entry;

		}

	stream.CommitL();

	CleanupStack::PopAndDestroy(); // stream

	}

void CCntServerCurrentItemMap::RestoreL(CDictionaryFileStore& aStore)

	{

	if	(aStore.IsPresentL(KUidCntCurrentItemStream))

		{

		RDictionaryReadStream stream;

		stream.OpenLC(aStore, KUidCntCurrentItemStream);

		const TInt count = stream.ReadInt32L();

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

			{

			CCntCurrentItemMapEntry* entry = new(ELeave) CCntCurrentItemMapEntry();

			CleanupStack::PushL(entry);

			stream >> *entry;

			User::LeaveIfError(iCurrentItemMap.Append(entry));

			CleanupStack::Pop(); // entry

			}

		CleanupStack::PopAndDestroy(); // stream

		}

	}

CCntServerCurrentItemMap::CCntCurrentItemMapEntry::CCntCurrentItemMapEntry()

	{

	}

CCntServerCurrentItemMap::CCntCurrentItemMapEntry::~CCntCurrentItemMapEntry()

	{

	delete iDatabaseFile;

	}

void CCntServerCurrentItemMap::CCntCurrentItemMapEntry::ConstructL(const TDesC& aFileName, TContactItemId aContactId)

	{

	iDatabaseFile = aFileName.AllocL();

	iContactId = aContactId;

	}

void CCntServerCurrentItemMap::CCntCurrentItemMapEntry::InternalizeL(RReadStream& aStream)

	{

	iDatabaseFile = HBufC::NewL(aStream, KMaxTInt);

	iContactId = aStream.ReadInt32L();

	}

void CCntServerCurrentItemMap::CCntCurrentItemMapEntry::ExternalizeL(RWriteStream& aStream) const

	{

	aStream << *iDatabaseFile;

	aStream.WriteInt32L(iContactId);

	}