| // Copyright 2014 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 "services/device/time_zone_monitor/time_zone_monitor.h" |
| |
| #include <memory> |
| |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "chromeos/settings/timezone_settings.h" |
| #include "third_party/icu/source/i18n/unicode/timezone.h" |
| |
| namespace device { |
| |
| class TimeZoneMonitorChromeOS |
| : public TimeZoneMonitor, |
| public chromeos::system::TimezoneSettings::Observer { |
| public: |
| TimeZoneMonitorChromeOS() : TimeZoneMonitor() { |
| chromeos::system::TimezoneSettings::GetInstance()->AddObserver(this); |
| } |
| |
| ~TimeZoneMonitorChromeOS() override { |
| chromeos::system::TimezoneSettings::GetInstance()->RemoveObserver(this); |
| } |
| |
| // chromeos::system::TimezoneSettings::Observer implementation. |
| void TimezoneChanged(const icu::TimeZone& time_zone) override { |
| // ICU's default time zone is already set to a new zone. No need to redetect |
| // it with detectHostTimeZone() or to update ICU. |
| NotifyClients(GetTimeZoneId(time_zone)); |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(TimeZoneMonitorChromeOS); |
| }; |
| |
| // static |
| std::unique_ptr<TimeZoneMonitor> TimeZoneMonitor::Create( |
| scoped_refptr<base::SequencedTaskRunner> file_task_runner) { |
| return std::unique_ptr<TimeZoneMonitor>(new TimeZoneMonitorChromeOS()); |
| } |
| |
| } // namespace device |