/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: time.h,v $
 * $Revision: 1.12 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _OSL_TIME_H_
#define _OSL_TIME_H_

#include <sal/types.h>

#ifdef __cplusplus
extern "C" {
#endif

/****************************************************************************/
/* TimeValue                                                                */
/****************************************************************************/

#ifdef SAL_W32
#   pragma pack(push, 8)
#elif defined(SAL_OS2)
#   pragma pack(push, 4)
#endif

/* Time since Jan-01-1970 */

typedef struct {
    sal_uInt32 Seconds;
    sal_uInt32 Nanosec;
} TimeValue;

#if defined( SAL_W32) ||  defined(SAL_OS2)
#   pragma pack(pop)
#endif


/****************************************************************************/
/* oslDateTime */
/****************************************************************************/

typedef struct _oslDateTime
{
    /*----------------------------------------------------------------------*/
    /** contains the nanoseconds .
    */
    sal_uInt32 NanoSeconds;

    /** contains the seconds (0-59).
    */
    sal_uInt16 Seconds;

    /*----------------------------------------------------------------------*/
    /** contains the minutes (0-59).
    */
    sal_uInt16 Minutes;

    /*----------------------------------------------------------------------*/
    /** contains the hour (0-23).
    */
    sal_uInt16 Hours;

    /*----------------------------------------------------------------------*/
    /** is the day of month (1-31).
    */
    sal_uInt16 Day;

    /*----------------------------------------------------------------------*/
    /** is the day of week (0-6 , 0 : Sunday).
    */
    sal_uInt16 DayOfWeek;

    /*----------------------------------------------------------------------*/
    /** is the month of year (1-12).
    */
    sal_uInt16 Month;

    /*----------------------------------------------------------------------*/
    /** is the year.
    */
    sal_uInt16 Year;

} oslDateTime;


/** Get the current system time as TimeValue.
    @return false if any error occurs.
*/
sal_Bool SAL_CALL osl_getSystemTime( TimeValue* pTimeVal );


/** Get the GMT from a TimeValue and fill a struct oslDateTime
    @param pTimeVal[in] TimeValue
    @param pDateTime[out] On success it receives a struct oslDateTime

    @return sal_False if any error occurs else sal_True.
*/
sal_Bool SAL_CALL osl_getDateTimeFromTimeValue( TimeValue* pTimeVal, oslDateTime* pDateTime );


/** Get the GMT from a oslDateTime and fill a TimeValue
    @param pDateTime[in] oslDateTime
    @param pTimeVal[out] On success it receives a TimeValue

    @return sal_False if any error occurs else sal_True.
*/
sal_Bool SAL_CALL osl_getTimeValueFromDateTime( oslDateTime* pDateTime, TimeValue* pTimeVal );


/** Convert GMT to local time
    @param pSystemTimeVal[in] system time to convert
    @param pLocalTimeVal[out] On success it receives the local time

    @return sal_False if any error occurs else sal_True.
*/
sal_Bool SAL_CALL osl_getLocalTimeFromSystemTime( TimeValue* pSystemTimeVal, TimeValue* pLocalTimeVal );


/** Convert local time to GMT
    @param pLocalTimeVal[in] local time to convert
    @param pSystemTimeVal[out] On success it receives the system time

    @return sal_False if any error occurs else sal_True.
*/
sal_Bool SAL_CALL osl_getSystemTimeFromLocalTime( TimeValue* pLocalTimeVal, TimeValue* pSystemTimeVal );


/** Get the value of the global timer
    @return current timer value in milli seconds
 */

sal_uInt32 SAL_CALL osl_getGlobalTimer(void);

#ifdef __cplusplus
}
#endif

#endif  /* _OSL_TIME_H_ */