/*

 * Copyright (c) 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 : Util api for getting next available offset value

 *

 */

//Includes

#include "calendarui_debug.h"

#include <centralrepository.h>

#include <calenmulticalutil.h>

#include <CalendarInternalCRKeys.h>

//Constants

const TUint KCalendarOffSet = 0x000186A0; //50000*2

const TInt  KOffsetLength = 16;

// Default Calendar database path

_LIT( KCalendarDatabaseFilePath, "c:calendar" );

// -----------------------------------------------------------------------------

// CCalenMultiCalUtil::GetNextAvailableOffsetL

// Gets the next available calendar unique value

// -----------------------------------------------------------------------------

//

EXPORT_C TUint CCalenMultiCalUtil::GetNextAvailableOffsetL()

    {

    TRACE_ENTRY_POINT

    TBuf<KOffsetLength> offSetBuf;

    CRepository* cenRep = CRepository::NewLC(KCRUidCalendar);

    User::LeaveIfError(cenRep->Get(KCalendarAvailableValue, offSetBuf));

    TUint availableOffsetValue = 0;

    TLex lex(offSetBuf);

    lex.Val(availableOffsetValue, EDecimal);

    TUint nextAvailableOffset = availableOffsetValue + KCalendarOffSet;

    offSetBuf.Zero(); //Reset

    offSetBuf.AppendFormat(_L("%u"), nextAvailableOffset);

    User::LeaveIfError(cenRep->Set(KCalendarAvailableValue, offSetBuf));

    CleanupStack::PopAndDestroy(cenRep);

    TRACE_EXIT_POINT

    return availableOffsetValue;

    }

// -----------------------------------------------------------------------------

// CCalenMultiCalUtil::GetNextAvailableCalFileL

// Gets the next available calendar filename

// -----------------------------------------------------------------------------

//

EXPORT_C HBufC* CCalenMultiCalUtil::GetNextAvailableCalFileL()

	{

	TRACE_ENTRY_POINT;

	TInt nextAvailableCalNumber(0);

	// get the next available calendar value from cenrep and

	// append it to c:calendar

	CRepository* cenRep = CRepository::NewL(KCRUidCalendar);

	CleanupStack::PushL(cenRep);

	User::LeaveIfError(cenRep->Get(KCalendarFileNumber,

			nextAvailableCalNumber));

	nextAvailableCalNumber++;

	User::LeaveIfError(cenRep->Set(KCalendarFileNumber,

			nextAvailableCalNumber));

	CleanupStack::PopAndDestroy(cenRep);

	HBufC* calFileName = HBufC::NewL(KMaxFileName);

	TPtr fileNameptr(calFileName->Des());

	fileNameptr.Append(KCalendarDatabaseFilePath);

	fileNameptr.AppendNum(nextAvailableCalNumber);

	TRACE_EXIT_POINT;

	// ownership of calFileName is transferred to the caller

	return calFileName;

	}

// EOF