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| 1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2008 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/time.h> | 10 #include <sys/time.h> |
| 11 #include <time.h> | 11 #include <time.h> |
| 12 | 12 |
| 13 #include "base/basictypes.h" | 13 #include "base/basictypes.h" |
| 14 #include "base/logging.h" | 14 #include "base/logging.h" |
| 15 #include "base/scoped_cftyperef.h" | 15 #include "base/mac/scoped_cftyperef.h" |
| 16 | 16 |
| 17 namespace base { | 17 namespace base { |
| 18 | 18 |
| 19 // The Time routines in this file use Mach and CoreFoundation APIs, since the | 19 // The Time routines in this file use Mach and CoreFoundation APIs, since the |
| 20 // POSIX definition of time_t in Mac OS X wraps around after 2038--and | 20 // POSIX definition of time_t in Mac OS X wraps around after 2038--and |
| 21 // there are already cookie expiration dates, etc., past that time out in | 21 // there are already cookie expiration dates, etc., past that time out in |
| 22 // the field. Using CFDate prevents that problem, and using mach_absolute_time | 22 // the field. Using CFDate prevents that problem, and using mach_absolute_time |
| 23 // for TimeTicks gives us nice high-resolution interval timing. | 23 // for TimeTicks gives us nice high-resolution interval timing. |
| 24 | 24 |
| 25 // Time ----------------------------------------------------------------------- | 25 // Time ----------------------------------------------------------------------- |
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| 63 Time Time::FromExploded(bool is_local, const Exploded& exploded) { | 63 Time Time::FromExploded(bool is_local, const Exploded& exploded) { |
| 64 CFGregorianDate date; | 64 CFGregorianDate date; |
| 65 date.second = exploded.second + | 65 date.second = exploded.second + |
| 66 exploded.millisecond / static_cast<double>(kMillisecondsPerSecond); | 66 exploded.millisecond / static_cast<double>(kMillisecondsPerSecond); |
| 67 date.minute = exploded.minute; | 67 date.minute = exploded.minute; |
| 68 date.hour = exploded.hour; | 68 date.hour = exploded.hour; |
| 69 date.day = exploded.day_of_month; | 69 date.day = exploded.day_of_month; |
| 70 date.month = exploded.month; | 70 date.month = exploded.month; |
| 71 date.year = exploded.year; | 71 date.year = exploded.year; |
| 72 | 72 |
| 73 scoped_cftyperef<CFTimeZoneRef> | 73 base::mac::ScopedCFTypeRef<CFTimeZoneRef> |
| 74 time_zone(is_local ? CFTimeZoneCopySystem() : NULL); | 74 time_zone(is_local ? CFTimeZoneCopySystem() : NULL); |
| 75 CFAbsoluteTime seconds = CFGregorianDateGetAbsoluteTime(date, time_zone) + | 75 CFAbsoluteTime seconds = CFGregorianDateGetAbsoluteTime(date, time_zone) + |
| 76 kCFAbsoluteTimeIntervalSince1970; | 76 kCFAbsoluteTimeIntervalSince1970; |
| 77 return Time(static_cast<int64>(seconds * kMicrosecondsPerSecond) + | 77 return Time(static_cast<int64>(seconds * kMicrosecondsPerSecond) + |
| 78 kWindowsEpochDeltaMicroseconds); | 78 kWindowsEpochDeltaMicroseconds); |
| 79 } | 79 } |
| 80 | 80 |
| 81 void Time::Explode(bool is_local, Exploded* exploded) const { | 81 void Time::Explode(bool is_local, Exploded* exploded) const { |
| 82 CFAbsoluteTime seconds = | 82 CFAbsoluteTime seconds = |
| 83 (static_cast<double>((us_ - kWindowsEpochDeltaMicroseconds) / | 83 (static_cast<double>((us_ - kWindowsEpochDeltaMicroseconds) / |
| 84 kMicrosecondsPerSecond) - kCFAbsoluteTimeIntervalSince1970); | 84 kMicrosecondsPerSecond) - kCFAbsoluteTimeIntervalSince1970); |
| 85 | 85 |
| 86 scoped_cftyperef<CFTimeZoneRef> | 86 base::mac::ScopedCFTypeRef<CFTimeZoneRef> |
| 87 time_zone(is_local ? CFTimeZoneCopySystem() : NULL); | 87 time_zone(is_local ? CFTimeZoneCopySystem() : NULL); |
| 88 CFGregorianDate date = CFAbsoluteTimeGetGregorianDate(seconds, time_zone); | 88 CFGregorianDate date = CFAbsoluteTimeGetGregorianDate(seconds, time_zone); |
| 89 | 89 |
| 90 exploded->year = date.year; | 90 exploded->year = date.year; |
| 91 exploded->month = date.month; | 91 exploded->month = date.month; |
| 92 exploded->day_of_month = date.day; | 92 exploded->day_of_month = date.day; |
| 93 exploded->hour = date.hour; | 93 exploded->hour = date.hour; |
| 94 exploded->minute = date.minute; | 94 exploded->minute = date.minute; |
| 95 exploded->second = date.second; | 95 exploded->second = date.second; |
| 96 exploded->millisecond = | 96 exploded->millisecond = |
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| 130 | 130 |
| 131 return TimeTicks(absolute_micro); | 131 return TimeTicks(absolute_micro); |
| 132 } | 132 } |
| 133 | 133 |
| 134 // static | 134 // static |
| 135 TimeTicks TimeTicks::HighResNow() { | 135 TimeTicks TimeTicks::HighResNow() { |
| 136 return Now(); | 136 return Now(); |
| 137 } | 137 } |
| 138 | 138 |
| 139 } // namespace base | 139 } // namespace base |
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