athena/system/time_view.h

   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 #ifndef ATHENA_SYSTEM_TIME_VIEW_H_
   6 #define ATHENA_SYSTEM_TIME_VIEW_H_
   7
   8 #include "athena/system/public/system_ui.h"
   9 #include "base/time/time.h"
  10 #include "base/timer/timer.h"
  11 #include "ui/views/controls/label.h"
  12
  13 namespace athena {
  14
  15 // View which displays the current time.
  16 class TimeView : public views::Label {
  17  public:
  18   explicit TimeView(SystemUI::ColorScheme color_scheme);
  19   ~TimeView() override;
  20
  21  private:
  22   // Starts |timer_| to schedule the next update.
  23   void SetTimer(base::Time now);
  24
  25   // Updates the current time.
  26   void UpdateText();
  27
  28   base::OneShotTimer<TimeView> timer_;
  29
  30   DISALLOW_COPY_AND_ASSIGN(TimeView);
  31 };
  32
  33 }  // namespace athena
  34
  35 #endif  // ATHENA_SYSTEM_TIME_VIEW_H_