// Copyright (c) 2000-2009 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:

//

#ifndef __GREGORIANCALENDAR_H__

#define __GREGORIANCALENDAR_H__

#include "calendar.h"

#include "arithmeticaldate.h"

class TGregorianCalendar : public TCalendar

	{

public:

	TGregorianCalendar();

	TGregorianCalendar(TReal aJulianDay);

	void GregorianToDateTime(TDateTime& aDT);

	void GregFromJulianDay(TArithmeticalDate& aDate, TReal aJulianDay) const;

	TReal GregToJulianDay(const TArithmeticalDate& aYear) const;

private:

	void InitMembers();

	TInt DayNumber(const TArithmeticalDate& aDate) const;

	void CalcGregYear(TArithmeticalDate& aDate, TReal aJulianDay) const;

	TBool IsLeapYear(const TInt aYear) const;

	TInt GregDateDiff(const TArithmeticalDate aDate1, const TArithmeticalDate aDate2) const;

	TInt DayMonthInYear(const TInt) const;

	TInt DaysMonthsElapsed(const TInt) const;

	};

#endif