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      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_TRAY_SYSTEM_TRAY_BUBBLE_H_
      6 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_BUBBLE_H_
      7 
      8 #include "ash/system/user/login_status.h"
      9 #include "base/base_export.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "base/timer/timer.h"
     12 #include "ui/views/bubble/tray_bubble_view.h"
     13 
     14 #include <vector>
     15 
     16 namespace ash {
     17 class SystemTray;
     18 class SystemTrayItem;
     19 
     20 class SystemTrayBubble {
     21  public:
     22   enum BubbleType {
     23     BUBBLE_TYPE_DEFAULT,
     24     BUBBLE_TYPE_DETAILED,
     25     BUBBLE_TYPE_NOTIFICATION
     26   };
     27 
     28   SystemTrayBubble(ash::SystemTray* tray,
     29                    const std::vector<ash::SystemTrayItem*>& items,
     30                    BubbleType bubble_type);
     31   virtual ~SystemTrayBubble();
     32 
     33   // Change the items displayed in the bubble.
     34   void UpdateView(const std::vector<ash::SystemTrayItem*>& items,
     35                   BubbleType bubble_type);
     36 
     37   // Creates |bubble_view_| and a child views for each member of |items_|.
     38   // Also creates |bubble_wrapper_|. |init_params| may be modified.
     39   void InitView(views::View* anchor,
     40                 user::LoginStatus login_status,
     41                 views::TrayBubbleView::InitParams* init_params);
     42 
     43   // Focus the default item if no item is focused. Othewise, do nothing.
     44   void FocusDefaultIfNeeded();
     45 
     46   BubbleType bubble_type() const { return bubble_type_; }
     47   views::TrayBubbleView* bubble_view() const { return bubble_view_; }
     48 
     49   void DestroyItemViews();
     50   void BubbleViewDestroyed();
     51   void StartAutoCloseTimer(int seconds);
     52   void StopAutoCloseTimer();
     53   void RestartAutoCloseTimer();
     54   void Close();
     55   void SetVisible(bool is_visible);
     56   bool IsVisible();
     57 
     58   // Returns true if any of the SystemTrayItems return true from
     59   // ShouldShowShelf().
     60   bool ShouldShowShelf() const;
     61 
     62  private:
     63   void CreateItemViews(user::LoginStatus login_status);
     64 
     65   ash::SystemTray* tray_;
     66   views::TrayBubbleView* bubble_view_;
     67   std::vector<ash::SystemTrayItem*> items_;
     68   BubbleType bubble_type_;
     69 
     70   int autoclose_delay_;
     71   base::OneShotTimer<SystemTrayBubble> autoclose_;
     72 
     73   DISALLOW_COPY_AND_ASSIGN(SystemTrayBubble);
     74 };
     75 
     76 }  // namespace ash
     77 
     78 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_BUBBLE_H_
     79