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