/**

 * WinPR: Windows Portable Runtime

 * Time Zone

 *

 * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef WINPR_TIMEZONE_H

#define WINPR_TIMEZONE_H

#include <winpr/winpr.h>

#include <winpr/wtypes.h>

#include <winpr/windows.h>

#ifdef __cplusplus

extern "C"

{

#endif

#ifndef _WIN32

	typedef struct _TIME_ZONE_INFORMATION

	{

		LONG Bias;

		WCHAR StandardName[32];

		SYSTEMTIME StandardDate;

		LONG StandardBias;

		WCHAR DaylightName[32];

		SYSTEMTIME DaylightDate;

		LONG DaylightBias;

	} TIME_ZONE_INFORMATION, *PTIME_ZONE_INFORMATION, *LPTIME_ZONE_INFORMATION;

	typedef struct _TIME_DYNAMIC_ZONE_INFORMATION

	{

		LONG Bias;

		WCHAR StandardName[32];

		SYSTEMTIME StandardDate;

		LONG StandardBias;

		WCHAR DaylightName[32];

		SYSTEMTIME DaylightDate;

		LONG DaylightBias;

		WCHAR TimeZoneKeyName[128];

		BOOLEAN DynamicDaylightTimeDisabled;

	} DYNAMIC_TIME_ZONE_INFORMATION, *PDYNAMIC_TIME_ZONE_INFORMATION,

	    *LPDYNAMIC_TIME_ZONE_INFORMATION;

	WINPR_API DWORD GetTimeZoneInformation(LPTIME_ZONE_INFORMATION lpTimeZoneInformation);

	WINPR_API BOOL SetTimeZoneInformation(const TIME_ZONE_INFORMATION* lpTimeZoneInformation);

	WINPR_API BOOL SystemTimeToFileTime(const SYSTEMTIME* lpSystemTime, LPFILETIME lpFileTime);

	WINPR_API BOOL FileTimeToSystemTime(const FILETIME* lpFileTime, LPSYSTEMTIME lpSystemTime);

	WINPR_API BOOL SystemTimeToTzSpecificLocalTime(LPTIME_ZONE_INFORMATION lpTimeZone,

	                                               LPSYSTEMTIME lpUniversalTime,

	                                               LPSYSTEMTIME lpLocalTime);

	WINPR_API BOOL TzSpecificLocalTimeToSystemTime(LPTIME_ZONE_INFORMATION lpTimeZoneInformation,

	                                               LPSYSTEMTIME lpLocalTime,

	                                               LPSYSTEMTIME lpUniversalTime);

#endif

/*

 * GetDynamicTimeZoneInformation is provided by the SDK if _WIN32_WINNT >= 0x0600 in SDKs above 7.1A

 * and incorrectly if _WIN32_WINNT >= 0x0501 in older SDKs

 */

#if !defined(_WIN32) ||                                                  \

    (defined(_WIN32) && (defined(NTDDI_WIN8) && _WIN32_WINNT < 0x0600 || \

                         !defined(NTDDI_WIN8) && _WIN32_WINNT < 0x0501)) /* Windows Vista */

	WINPR_API DWORD

	GetDynamicTimeZoneInformation(PDYNAMIC_TIME_ZONE_INFORMATION pTimeZoneInformation);

	WINPR_API BOOL

	SetDynamicTimeZoneInformation(const DYNAMIC_TIME_ZONE_INFORMATION* lpTimeZoneInformation);

	WINPR_API BOOL GetTimeZoneInformationForYear(USHORT wYear, PDYNAMIC_TIME_ZONE_INFORMATION pdtzi,

	                                             LPTIME_ZONE_INFORMATION ptzi);

#endif

#if !defined(_WIN32) || (defined(_WIN32) && (_WIN32_WINNT < 0x0601)) /* Windows 7 */

	WINPR_API BOOL

	SystemTimeToTzSpecificLocalTimeEx(const DYNAMIC_TIME_ZONE_INFORMATION* lpTimeZoneInformation,

	                                  const SYSTEMTIME* lpUniversalTime, LPSYSTEMTIME lpLocalTime);

	WINPR_API BOOL

	TzSpecificLocalTimeToSystemTimeEx(const DYNAMIC_TIME_ZONE_INFORMATION* lpTimeZoneInformation,

	                                  const SYSTEMTIME* lpLocalTime, LPSYSTEMTIME lpUniversalTime);

#endif

#if !defined(_WIN32) || (defined(_WIN32) && (_WIN32_WINNT < 0x0602)) /* Windows 8 */

	WINPR_API DWORD EnumDynamicTimeZoneInformation(

	    const DWORD dwIndex, PDYNAMIC_TIME_ZONE_INFORMATION lpTimeZoneInformation);

	WINPR_API DWORD GetDynamicTimeZoneInformationEffectiveYears(

	    const PDYNAMIC_TIME_ZONE_INFORMATION lpTimeZoneInformation, LPDWORD FirstYear,

	    LPDWORD LastYear);

#endif

#ifdef __cplusplus

}

#endif

#endif /* WINPR_TIMEZONE_H */