Date and Time dialog for when the clock isn't synced.

ash/system/date/tray_date.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_SYSTEM_DATE_TRAY_DATE_H_
 #define ASH_SYSTEM_DATE_TRAY_DATE_H_
 
 #include "ash/ash_export.h"
 #include "ash/system/date/clock_observer.h"
 #include "ash/system/tray/system_tray_item.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace views {
 class Label;
 }
 
 namespace ash {
 class DateDefaultView;
 #if defined(OS_CHROMEOS)
 class SystemClockObserver;
 #endif
 
 namespace tray {
 class TimeView;
 }
 
 class ASH_EXPORT TrayDate : public SystemTrayItem, public ClockObserver {
  public:
   enum ClockLayout {
-   HORIZONTAL_CLOCK,
-   VERTICAL_CLOCK,
+    HORIZONTAL_CLOCK,
+    VERTICAL_CLOCK,
+  };
+  enum DateAction {
+    NONE,
+    SET_SYSTEM_TIME,
+    SHOW_DATE_SETTINGS,
   };
   explicit TrayDate(SystemTray* system_tray);
   virtual ~TrayDate();
 
   // Returns view for help button if it is exists. Returns NULL otherwise.
   views::View* GetHelpButtonView() const;
 
   const tray::TimeView* GetTimeTrayForTesting() const;
   const DateDefaultView* GetDefaultViewForTesting() const;
   views::View* CreateDefaultViewForTesting(user::LoginStatus status);
 
  private:
   // Overridden from SystemTrayItem.
   virtual views::View* CreateTrayView(user::LoginStatus status) OVERRIDE;
   virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
   virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
   virtual void DestroyTrayView() OVERRIDE;
   virtual void DestroyDefaultView() OVERRIDE;
   virtual void DestroyDetailedView() OVERRIDE;
   virtual void UpdateAfterLoginStatusChange(user::LoginStatus status) OVERRIDE;
   virtual void UpdateAfterShelfAlignmentChange(
       ShelfAlignment alignment) OVERRIDE;
 
   // Overridden from ClockObserver.
   virtual void OnDateFormatChanged() OVERRIDE;
   virtual void OnSystemClockTimeUpdated() OVERRIDE;
+  virtual void OnSystemClockCanSetTimeChanged(bool can_set_time) OVERRIDE;
   virtual void Refresh() OVERRIDE;
 
   void SetupLabelForTimeTray(views::Label* label);
 
   tray::TimeView* time_tray_;
   DateDefaultView* default_view_;
+  user::LoginStatus login_status_;
 
 #if defined(OS_CHROMEOS)
   scoped_ptr<SystemClockObserver> system_clock_observer_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(TrayDate);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_DATE_TRAY_DATE_H_