ash/system/chromeos/system_clock_observer.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ASH_SYSTEM_CHROMEOS_SYSTEM_CLOCK_OBSERVER_H_
   6 #define ASH_SYSTEM_CHROMEOS_SYSTEM_CLOCK_OBSERVER_H_
   7
   8 #include "chromeos/dbus/system_clock_client.h"
   9 #include "chromeos/settings/timezone_settings.h"
  10
  11 namespace ash {
  12
  13 class SystemClockObserver
  14     : public chromeos::SystemClockClient::Observer,
  15       public chromeos::system::TimezoneSettings::Observer {
  16  public:
  17   SystemClockObserver();
  18   ~SystemClockObserver() override;
  19
  20   // chromeos::SystemClockClient::Observer
  21   void SystemClockUpdated() override;
  22   void SystemClockCanSetTimeChanged(bool can_set_time) override;
  23
  24   // chromeos::system::TimezoneSettings::Observer
  25   void TimezoneChanged(const icu::TimeZone& timezone) override;
  26
  27   bool can_set_time() { return can_set_time_; }
  28
  29  private:
  30   bool can_set_time_;
  31
  32   DISALLOW_COPY_AND_ASSIGN(SystemClockObserver);
  33 };
  34
  35 }  // namespace ash
  36
  37 #endif  // ASH_SYSTEM_CHROMEOS_SYSTEM_CLOCK_OBSERVER_H_