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/system/date/clock_observer.h" 9 #include "ash/system/tray/system_tray_item.h" 10 #include "base/memory/scoped_ptr.h" 11 12 namespace views { 13 class Label; 14 } 15 16 namespace ash { 17 namespace internal { 18 19 #if defined(OS_CHROMEOS) 20 class SystemClockObserver; 21 #endif 22 class DateDefaultView; 23 24 namespace tray { 25 class TimeView; 26 } 27 28 class TrayDate : public SystemTrayItem, 29 public ClockObserver { 30 public: 31 enum ClockLayout { 32 HORIZONTAL_CLOCK, 33 VERTICAL_CLOCK, 34 }; 35 explicit TrayDate(SystemTray* system_tray); 36 virtual ~TrayDate(); 37 38 // Returns view for help button if it is exists. Returns NULL otherwise. 39 views::View* GetHelpButtonView() const; 40 41 private: 42 // Overridden from SystemTrayItem. 43 virtual views::View* CreateTrayView(user::LoginStatus status) OVERRIDE; 44 virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE; 45 virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE; 46 virtual void DestroyTrayView() OVERRIDE; 47 virtual void DestroyDefaultView() OVERRIDE; 48 virtual void DestroyDetailedView() OVERRIDE; 49 virtual void UpdateAfterLoginStatusChange(user::LoginStatus status) OVERRIDE; 50 virtual void UpdateAfterShelfAlignmentChange( 51 ShelfAlignment alignment) OVERRIDE; 52 53 // Overridden from ClockObserver. 54 virtual void OnDateFormatChanged() OVERRIDE; 55 virtual void OnSystemClockTimeUpdated() OVERRIDE; 56 virtual void Refresh() OVERRIDE; 57 58 void SetupLabelForTimeTray(views::Label* label); 59 60 tray::TimeView* time_tray_; 61 DateDefaultView* default_view_; 62 63 #if defined(OS_CHROMEOS) 64 scoped_ptr<SystemClockObserver> system_clock_observer_; 65 #endif 66 67 DISALLOW_COPY_AND_ASSIGN(TrayDate); 68 }; 69 70 } // namespace internal 71 } // namespace ash 72 73 #endif // ASH_SYSTEM_DATE_TRAY_DATE_H_ 74