ash/system/date/tray_date.h

   1 // Copyright (c) 2012 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_DATE_TRAY_DATE_H_
   6 #define ASH_SYSTEM_DATE_TRAY_DATE_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "ash/system/date/clock_observer.h"
  10 #include "ash/system/tray/system_tray_item.h"
  11 #include "base/memory/scoped_ptr.h"
  12
  13 namespace views {
  14 class Label;
  15 }
  16
  17 namespace ash {
  18 class DateDefaultView;
  19 #if defined(OS_CHROMEOS)
  20 class SystemClockObserver;
  21 #endif
  22
  23 namespace tray {
  24 class TimeView;
  25 }
  26
  27 class ASH_EXPORT TrayDate : public SystemTrayItem, public ClockObserver {
  28  public:
  29   enum ClockLayout {
  30     HORIZONTAL_CLOCK,
  31     VERTICAL_CLOCK,
  32   };
  33
  34   enum DateAction {
  35     NONE,
  36     SET_SYSTEM_TIME,
  37     SHOW_DATE_SETTINGS,
  38   };
  39
  40   explicit TrayDate(SystemTray* system_tray);
  41   ~TrayDate() override;
  42
  43   // Returns view for help button if it is exists. Returns NULL otherwise.
  44   views::View* GetHelpButtonView() const;
  45
  46   const tray::TimeView* GetTimeTrayForTesting() const;
  47   const DateDefaultView* GetDefaultViewForTesting() const;
  48   views::View* CreateDefaultViewForTesting(user::LoginStatus status);
  49
  50  private:
  51   // Overridden from SystemTrayItem.
  52   views::View* CreateTrayView(user::LoginStatus status) override;
  53   views::View* CreateDefaultView(user::LoginStatus status) override;
  54   views::View* CreateDetailedView(user::LoginStatus status) override;
  55   void DestroyTrayView() override;
  56   void DestroyDefaultView() override;
  57   void DestroyDetailedView() override;
  58   void UpdateAfterLoginStatusChange(user::LoginStatus status) override;
  59   void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) override;
  60
  61   // Overridden from ClockObserver.
  62   void OnDateFormatChanged() override;
  63   void OnSystemClockTimeUpdated() override;
  64   void OnSystemClockCanSetTimeChanged(bool can_set_time) override;
  65   void Refresh() override;
  66
  67   void SetupLabelForTimeTray(views::Label* label);
  68
  69   tray::TimeView* time_tray_;
  70   DateDefaultView* default_view_;
  71   user::LoginStatus login_status_;
  72
  73 #if defined(OS_CHROMEOS)
  74   scoped_ptr<SystemClockObserver> system_clock_observer_;
  75 #endif
  76
  77   DISALLOW_COPY_AND_ASSIGN(TrayDate);
  78 };
  79
  80 }  // namespace ash
  81
  82 #endif  // ASH_SYSTEM_DATE_TRAY_DATE_H_