content/browser/time_zone_monitor_chromeos.cc

   1 // Copyright 2014 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 #include "content/browser/time_zone_monitor.h"
   6
   7 #include "chromeos/settings/timezone_settings.h"
   8
   9 namespace content {
  10
  11 class TimeZoneMonitorChromeOS
  12     : public TimeZoneMonitor,
  13       public chromeos::system::TimezoneSettings::Observer {
  14  public:
  15   TimeZoneMonitorChromeOS() : TimeZoneMonitor() {
  16     chromeos::system::TimezoneSettings::GetInstance()->AddObserver(this);
  17   }
  18
  19   virtual ~TimeZoneMonitorChromeOS() {
  20     chromeos::system::TimezoneSettings::GetInstance()->RemoveObserver(this);
  21   }
  22
  23   // chromeos::system::TimezoneSettings::Observer implementation.
  24   virtual void TimezoneChanged(const icu::TimeZone& time_zone) override {
  25     NotifyRenderers();
  26   }
  27
  28  private:
  29   DISALLOW_COPY_AND_ASSIGN(TimeZoneMonitorChromeOS);
  30 };
  31
  32 // static
  33 scoped_ptr<TimeZoneMonitor> TimeZoneMonitor::Create() {
  34   return scoped_ptr<TimeZoneMonitor>(new TimeZoneMonitorChromeOS());
  35 }
  36
  37 }  // namespace content