chrome/browser/ui/views/critical_notification_bubble_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 CHROME_BROWSER_UI_VIEWS_CRITICAL_NOTIFICATION_BUBBLE_VIEW_H_
   6 #define CHROME_BROWSER_UI_VIEWS_CRITICAL_NOTIFICATION_BUBBLE_VIEW_H_
   7
   8 #include "base/timer/timer.h"
   9 #include "ui/views/bubble/bubble_delegate.h"
  10 #include "ui/views/controls/button/button.h"
  11
  12 namespace ui {
  13 class Accelerator;
  14 }
  15
  16 namespace views {
  17 class Label;
  18 class LabelButton;
  19 }
  20
  21 class CriticalNotificationBubbleView : public views::BubbleDelegateView,
  22                                        public views::ButtonListener {
  23  public:
  24   explicit CriticalNotificationBubbleView(views::View* anchor_view);
  25   ~CriticalNotificationBubbleView() override;
  26
  27   // views::ButtonListener overrides:
  28   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
  29
  30   // views::WidgetDelegate overrides:
  31   void WindowClosing() override;
  32
  33   // views::View overrides:
  34   void GetAccessibleState(ui::AXViewState* state) override;
  35   void ViewHierarchyChanged(
  36       const ViewHierarchyChangedDetails& details) override;
  37
  38  protected:
  39   // views::BubbleDelegateView overrides:
  40   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
  41   void Init() override;
  42
  43  private:
  44   // Helper function to calculate the remaining time (in seconds) until
  45   // spontaneous reboot.
  46   int GetRemainingTime();
  47
  48   // Helper function to set the headline for the bubble.
  49   void UpdateBubbleHeadline(int seconds);
  50
  51   // Called when the timer fires each time the clock ticks.
  52   void OnCountdown();
  53
  54   // The headline and buttons on the bubble.
  55   views::Label* headline_;
  56   views::LabelButton* restart_button_;
  57   views::LabelButton* dismiss_button_;
  58
  59   // A timer to refresh the bubble to show new countdown value.
  60   base::RepeatingTimer<CriticalNotificationBubbleView> refresh_timer_;
  61
  62   // When the bubble was created.
  63   base::Time bubble_created_;
  64
  65   DISALLOW_COPY_AND_ASSIGN(CriticalNotificationBubbleView);
  66 };
  67
  68 #endif  // CHROME_BROWSER_UI_VIEWS_CRITICAL_NOTIFICATION_BUBBLE_VIEW_H_