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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/time.h" | 5 #include "base/time.h" |
| 6 | 6 |
| 7 #include <CoreFoundation/CFDate.h> | 7 #include <CoreFoundation/CFDate.h> |
| 8 #include <CoreFoundation/CFTimeZone.h> | 8 #include <CoreFoundation/CFTimeZone.h> |
| 9 #include <mach/mach_time.h> | 9 #include <mach/mach_time.h> |
| 10 #include <sys/sysctl.h> | 10 #include <sys/sysctl.h> |
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| 132 Time Time::FromExploded(bool is_local, const Exploded& exploded) { | 132 Time Time::FromExploded(bool is_local, const Exploded& exploded) { |
| 133 CFGregorianDate date; | 133 CFGregorianDate date; |
| 134 date.second = exploded.second + | 134 date.second = exploded.second + |
| 135 exploded.millisecond / static_cast<double>(kMillisecondsPerSecond); | 135 exploded.millisecond / static_cast<double>(kMillisecondsPerSecond); |
| 136 date.minute = exploded.minute; | 136 date.minute = exploded.minute; |
| 137 date.hour = exploded.hour; | 137 date.hour = exploded.hour; |
| 138 date.day = exploded.day_of_month; | 138 date.day = exploded.day_of_month; |
| 139 date.month = exploded.month; | 139 date.month = exploded.month; |
| 140 date.year = exploded.year; | 140 date.year = exploded.year; |
| 141 | 141 |
| 142 base::mac::ScopedCFTypeRef<CFTimeZoneRef> | 142 base::ScopedCFTypeRef<CFTimeZoneRef> time_zone( |
| 143 time_zone(is_local ? CFTimeZoneCopySystem() : NULL); | 143 is_local ? CFTimeZoneCopySystem() : NULL); |
| 144 CFAbsoluteTime seconds = CFGregorianDateGetAbsoluteTime(date, time_zone) + | 144 CFAbsoluteTime seconds = CFGregorianDateGetAbsoluteTime(date, time_zone) + |
| 145 kCFAbsoluteTimeIntervalSince1970; | 145 kCFAbsoluteTimeIntervalSince1970; |
| 146 return Time(static_cast<int64>(seconds * kMicrosecondsPerSecond) + | 146 return Time(static_cast<int64>(seconds * kMicrosecondsPerSecond) + |
| 147 kWindowsEpochDeltaMicroseconds); | 147 kWindowsEpochDeltaMicroseconds); |
| 148 } | 148 } |
| 149 | 149 |
| 150 void Time::Explode(bool is_local, Exploded* exploded) const { | 150 void Time::Explode(bool is_local, Exploded* exploded) const { |
| 151 // Avoid rounding issues, by only putting the integral number of seconds | 151 // Avoid rounding issues, by only putting the integral number of seconds |
| 152 // (rounded towards -infinity) into a |CFAbsoluteTime| (which is a |double|). | 152 // (rounded towards -infinity) into a |CFAbsoluteTime| (which is a |double|). |
| 153 int64 microsecond = us_ % kMicrosecondsPerSecond; | 153 int64 microsecond = us_ % kMicrosecondsPerSecond; |
| 154 if (microsecond < 0) | 154 if (microsecond < 0) |
| 155 microsecond += kMicrosecondsPerSecond; | 155 microsecond += kMicrosecondsPerSecond; |
| 156 CFAbsoluteTime seconds = ((us_ - microsecond) / kMicrosecondsPerSecond) - | 156 CFAbsoluteTime seconds = ((us_ - microsecond) / kMicrosecondsPerSecond) - |
| 157 kWindowsEpochDeltaSeconds - | 157 kWindowsEpochDeltaSeconds - |
| 158 kCFAbsoluteTimeIntervalSince1970; | 158 kCFAbsoluteTimeIntervalSince1970; |
| 159 | 159 |
| 160 base::mac::ScopedCFTypeRef<CFTimeZoneRef> | 160 base::ScopedCFTypeRef<CFTimeZoneRef> time_zone( |
| 161 time_zone(is_local ? CFTimeZoneCopySystem() : NULL); | 161 is_local ? CFTimeZoneCopySystem() : NULL); |
| 162 CFGregorianDate date = CFAbsoluteTimeGetGregorianDate(seconds, time_zone); | 162 CFGregorianDate date = CFAbsoluteTimeGetGregorianDate(seconds, time_zone); |
| 163 // 1 = Monday, ..., 7 = Sunday. | 163 // 1 = Monday, ..., 7 = Sunday. |
| 164 int cf_day_of_week = CFAbsoluteTimeGetDayOfWeek(seconds, time_zone); | 164 int cf_day_of_week = CFAbsoluteTimeGetDayOfWeek(seconds, time_zone); |
| 165 | 165 |
| 166 exploded->year = date.year; | 166 exploded->year = date.year; |
| 167 exploded->month = date.month; | 167 exploded->month = date.month; |
| 168 exploded->day_of_week = cf_day_of_week % 7; | 168 exploded->day_of_week = cf_day_of_week % 7; |
| 169 exploded->day_of_month = date.day; | 169 exploded->day_of_month = date.day; |
| 170 exploded->hour = date.hour; | 170 exploded->hour = date.hour; |
| 171 exploded->minute = date.minute; | 171 exploded->minute = date.minute; |
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| 190 TimeTicks TimeTicks::HighResNow() { | 190 TimeTicks TimeTicks::HighResNow() { |
| 191 return Now(); | 191 return Now(); |
| 192 } | 192 } |
| 193 | 193 |
| 194 // static | 194 // static |
| 195 TimeTicks TimeTicks::NowFromSystemTraceTime() { | 195 TimeTicks TimeTicks::NowFromSystemTraceTime() { |
| 196 return HighResNow(); | 196 return HighResNow(); |
| 197 } | 197 } |
| 198 | 198 |
| 199 } // namespace base | 199 } // namespace base |
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