Index: chrome/browser/sync/notifier/base/win32/time_win32.cc |
=================================================================== |
--- chrome/browser/sync/notifier/base/win32/time_win32.cc (revision 26149) |
+++ chrome/browser/sync/notifier/base/win32/time_win32.cc (working copy) |
@@ -1,157 +0,0 @@ |
-// Copyright (c) 2009 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
-// |
-// Windows specific yime functions. |
- |
-#include <time.h> |
-#include <windows.h> |
- |
-#include "chrome/browser/sync/notifier/base/time.h" |
- |
-#include "chrome/browser/sync/notifier/base/utils.h" |
-#include "talk/base/common.h" |
-#include "talk/base/logging.h" |
- |
-namespace notifier { |
- |
-time64 FileTimeToTime64(const FILETIME& file_time) { |
- return static_cast<time64>(file_time.dwHighDateTime) << 32 | |
- file_time.dwLowDateTime; |
-} |
- |
-void Time64ToFileTime(const time64& time, FILETIME* ft) { |
- ASSERT(ft); |
- |
- ft->dwHighDateTime = static_cast<DWORD>(time >> 32); |
- ft->dwLowDateTime = static_cast<DWORD>(time & 0xffffffff); |
-} |
- |
-void TmTimeToSystemTime(const struct tm& tm, SYSTEMTIME* sys_time) { |
- ASSERT(sys_time); |
- |
- SetZero(*sys_time); |
- // tm's year is 1900 based, systemtime's year is absolute. |
- sys_time->wYear = tm.tm_year + 1900; |
- // tm's month is 0 based, but systemtime's month is 1 based. |
- sys_time->wMonth = tm.tm_mon + 1; |
- sys_time->wDay = tm.tm_mday; |
- sys_time->wDayOfWeek = tm.tm_wday; |
- sys_time->wHour = tm.tm_hour; |
- sys_time->wMinute = tm.tm_min; |
- sys_time->wSecond = tm.tm_sec; |
-} |
- |
-void SystemTimeToTmTime(const SYSTEMTIME& sys_time, struct tm* tm) { |
- ASSERT(tm); |
- |
- SetZero(*tm); |
- // tm's year is 1900 based, systemtime's year is absolute. |
- tm->tm_year = sys_time.wYear - 1900; |
- // tm's month is 0 based, but systemtime's month is 1 based. |
- tm->tm_mon = sys_time.wMonth - 1; |
- tm->tm_mday = sys_time.wDay; |
- tm->tm_wday = sys_time.wDayOfWeek; |
- tm->tm_hour = sys_time.wHour; |
- tm->tm_min = sys_time.wMinute; |
- tm->tm_sec = sys_time.wSecond; |
-} |
- |
-time64 GetCurrent100NSTime() { |
- // In order to get the 100ns time we shouldn't use SystemTime as it's |
- // granularity is 1 ms. Below is the correct implementation. On the other |
- // hand the system clock granularity is 15 ms, so we are not gaining much by |
- // having the timestamp in nano-sec. If we decide to go with ms, divide |
- // "time64 time" by 10000. |
- FILETIME file_time; |
- ::GetSystemTimeAsFileTime(&file_time); |
- |
- time64 time = FileTimeToTime64(file_time); |
- return time; |
-} |
- |
-time64 TmToTime64(const struct tm& tm) { |
- SYSTEMTIME sys_time; |
- TmTimeToSystemTime(tm, &sys_time); |
- |
- FILETIME file_time; |
- SetZero(file_time); |
- if (!::SystemTimeToFileTime(&sys_time, &file_time)) { |
- return 0; |
- } |
- |
- return FileTimeToTime64(file_time); |
-} |
- |
-bool Time64ToTm(time64 t, struct tm* tm) { |
- ASSERT(tm); |
- |
- FILETIME file_time; |
- SetZero(file_time); |
- Time64ToFileTime(t, &file_time); |
- |
- SYSTEMTIME sys_time; |
- SetZero(sys_time); |
- if (!::FileTimeToSystemTime(&file_time, &sys_time)) { |
- return false; |
- } |
- |
- SystemTimeToTmTime(sys_time, tm); |
- |
- return true; |
-} |
- |
-bool UtcTimeToLocalTime(struct tm* tm) { |
- ASSERT(tm); |
- |
- SYSTEMTIME utc_time; |
- TmTimeToSystemTime(*tm, &utc_time); |
- |
- TIME_ZONE_INFORMATION time_zone; |
- if (::GetTimeZoneInformation(&time_zone) == TIME_ZONE_ID_INVALID) { |
- return false; |
- } |
- |
- SYSTEMTIME local_time; |
- if (!::SystemTimeToTzSpecificLocalTime(&time_zone, &utc_time, &local_time)) { |
- return false; |
- } |
- |
- SystemTimeToTmTime(local_time, tm); |
- |
- return true; |
-} |
- |
-bool LocalTimeToUtcTime(struct tm* tm) { |
- ASSERT(tm); |
- |
- SYSTEMTIME local_time; |
- TmTimeToSystemTime(*tm, &local_time); |
- |
- // Get the bias, which when added to local, gives UTC. |
- TIME_ZONE_INFORMATION time_zone; |
- if (::GetTimeZoneInformation(&time_zone) == TIME_ZONE_ID_INVALID) { |
- return false; |
- } |
- |
- // By negating the biases, we can get translation from UTC to local. |
- time_zone.Bias *= -1; |
- time_zone.DaylightBias *= -1; |
- time_zone.StandardBias *= -1; // This is 0 but negating for completness. |
- |
- // We'll tell SystemTimeToTzSpecificLocalTime that the local time is actually |
- // UTC. With the negated bias, the "local" time that the API returns will |
- // actually be UTC. Casting the const off because |
- // SystemTimeToTzSpecificLocalTime's definition requires it, although the |
- // value is not modified. |
- SYSTEMTIME utc_time; |
- if (!::SystemTimeToTzSpecificLocalTime(&time_zone, &local_time, &utc_time)) { |
- return false; |
- } |
- |
- SystemTimeToTmTime(utc_time, tm); |
- |
- return true; |
-} |
- |
-} // namespace notifier |