| // Copyright 2017 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. |
| |
| #include "ash/system/night_light/time_of_day.h" |
| |
| #include "base/i18n/time_formatting.h" |
| #include "base/strings/utf_string_conversions.h" |
| |
| namespace ash { |
| |
| namespace { |
| |
| constexpr int kMaxOffsetMinutes = 24 * 60; |
| |
| } // namespace |
| |
| TimeOfDay::TimeOfDay(int offset_minutes) |
| : offset_minutes_from_zero_hour_( |
| offset_minutes == kMaxOffsetMinutes ? 0 : offset_minutes) { |
| DCHECK_LE(offset_minutes_from_zero_hour_, kMaxOffsetMinutes); |
| } |
| |
| // static |
| TimeOfDay TimeOfDay::FromTime(const base::Time& time) { |
| base::Time::Exploded exploded; |
| time.LocalExplode(&exploded); |
| return TimeOfDay(exploded.hour * 60 + exploded.minute); |
| } |
| |
| bool TimeOfDay::operator==(const TimeOfDay& rhs) const { |
| return offset_minutes_from_zero_hour_ == rhs.offset_minutes_from_zero_hour_; |
| } |
| |
| base::Time TimeOfDay::ToTimeToday() const { |
| base::Time::Exploded now; |
| base::Time::Now().LocalExplode(&now); |
| now.hour = (offset_minutes_from_zero_hour_ / 60) % 24; |
| now.minute = offset_minutes_from_zero_hour_ % 60; |
| now.second = 0; |
| now.millisecond = 0; |
| base::Time result; |
| if (base::Time::FromLocalExploded(now, &result)) |
| return result; |
| |
| // Daylight saving time can cause FromLocalExploded() to fail on the |
| // transition day in the spring when TimeOfDay == 2:30 AM, and the time goes |
| // instantaneously from 1:59 AM 3:00 AM. In this very rare case, it's OK for |
| // this function to fail. |
| return base::Time(); |
| } |
| |
| std::string TimeOfDay::ToString() const { |
| return base::UTF16ToUTF8(base::TimeFormatTimeOfDay(ToTimeToday())); |
| } |
| |
| } // namespace ash |