1 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __GREGORIANCALENDAR_H__

    17 #define __GREGORIANCALENDAR_H__

    18 

    19 #include "calendar.h"

    20 #include "arithmeticaldate.h"

    21 

    22 class TGregorianCalendar : public TCalendar

    23 	{

    24 public:

    25 	TGregorianCalendar();

    26 	TGregorianCalendar(TReal aJulianDay);

    27 	void GregorianToDateTime(TDateTime& aDT);

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

    29 	TReal GregToJulianDay(const TArithmeticalDate& aYear) const;

    30 private:

    31 	void InitMembers();

    32 	TInt DayNumber(const TArithmeticalDate& aDate) const;

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

    34 	TBool IsLeapYear(const TInt aYear) const;

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

    36 	TInt DayMonthInYear(const TInt) const;

    37 	TInt DaysMonthsElapsed(const TInt) const;

    38 	};

    39 

    40 #endif