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   virtual ~TrayDate();
  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   virtual views::View* CreateTrayView(user::LoginStatus status) OVERRIDE;
  53   virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
  54   virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
  55   virtual void DestroyTrayView() OVERRIDE;
  56   virtual void DestroyDefaultView() OVERRIDE;
  57   virtual void DestroyDetailedView() OVERRIDE;
  58   virtual void UpdateAfterLoginStatusChange(user::LoginStatus status) OVERRIDE;
  59   virtual void UpdateAfterShelfAlignmentChange(
  60       ShelfAlignment alignment) OVERRIDE;
  61
  62   // Overridden from ClockObserver.
  63   virtual void OnDateFormatChanged() OVERRIDE;
  64   virtual void OnSystemClockTimeUpdated() OVERRIDE;
  65   virtual void OnSystemClockCanSetTimeChanged(bool can_set_time) OVERRIDE;
  66   virtual void Refresh() OVERRIDE;
  67
  68   void SetupLabelForTimeTray(views::Label* label);
  69
  70   tray::TimeView* time_tray_;
  71   DateDefaultView* default_view_;
  72   user::LoginStatus login_status_;
  73
  74 #if defined(OS_CHROMEOS)
  75   scoped_ptr<SystemClockObserver> system_clock_observer_;
  76 #endif
  77
  78   DISALLOW_COPY_AND_ASSIGN(TrayDate);
  79 };
  80
  81 }  // namespace ash
  82
  83 #endif  // ASH_SYSTEM_DATE_TRAY_DATE_H_