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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_TRAY_NOTIFICATION_VIEW_H_
      6 #define ASH_SYSTEM_TRAY_TRAY_NOTIFICATION_VIEW_H_
      7 
      8 #include "base/timer/timer.h"
      9 #include "ui/views/controls/button/image_button.h"
     10 #include "ui/views/controls/slide_out_view.h"
     11 
     12 namespace gfx {
     13 class ImageSkia;
     14 }
     15 
     16 namespace views {
     17 class ImageView;
     18 }
     19 
     20 namespace ash {
     21 
     22 class SystemTrayItem;
     23 
     24 namespace internal {
     25 
     26 // A view for closable notification views, laid out like:
     27 //  -------------------
     28 // | icon  contents  x |
     29 //  ----------------v--
     30 // The close button will call OnClose() when clicked.
     31 class TrayNotificationView : public views::SlideOutView,
     32                              public views::ButtonListener {
     33  public:
     34   // If icon_id is 0, no icon image will be set. SetIconImage can be called
     35   // to later set the icon image.
     36   TrayNotificationView(SystemTrayItem* owner, int icon_id);
     37   virtual ~TrayNotificationView();
     38 
     39   // InitView must be called once with the contents to be displayed.
     40   void InitView(views::View* contents);
     41 
     42   // Sets/updates the icon image.
     43   void SetIconImage(const gfx::ImageSkia& image);
     44 
     45   // Gets the icons image.
     46   const gfx::ImageSkia& GetIconImage() const;
     47 
     48   // Replaces the contents view.
     49   void UpdateView(views::View* new_contents);
     50 
     51   // Replaces the contents view and updates the icon image.
     52   void UpdateViewAndImage(views::View* new_contents,
     53                           const gfx::ImageSkia& image);
     54 
     55   // Autoclose timer operations.
     56   void StartAutoCloseTimer(int seconds);
     57   void StopAutoCloseTimer();
     58   void RestartAutoCloseTimer();
     59 
     60   // Overridden from ButtonListener.
     61   virtual void ButtonPressed(views::Button* sender,
     62                              const ui::Event& event) OVERRIDE;
     63 
     64   // Overridden from views::View.
     65   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
     66 
     67   // Overridden from ui::EventHandler.
     68   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
     69 
     70  protected:
     71   // Called when the close button is pressed. Does nothing by default.
     72   virtual void OnClose();
     73   // Called when the notification is clicked on. Does nothing by default.
     74   virtual void OnClickAction();
     75 
     76   // Overridden from views::SlideOutView.
     77   virtual void OnSlideOut() OVERRIDE;
     78 
     79   SystemTrayItem* owner() { return owner_; }
     80 
     81  private:
     82   void HandleClose();
     83   void HandleClickAction();
     84 
     85   SystemTrayItem* owner_;
     86   int icon_id_;
     87   views::ImageView* icon_;
     88 
     89   int autoclose_delay_;
     90   base::OneShotTimer<TrayNotificationView> autoclose_;
     91 
     92   DISALLOW_COPY_AND_ASSIGN(TrayNotificationView);
     93 };
     94 
     95 }  // namespace internal
     96 }  // namespace ash
     97 
     98 #endif  // ASH_SYSTEM_TRAY_TRAY_NOTIFICATION_VIEW_H_
     99