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   virtual ~CriticalNotificationBubbleView();
  26
  27   // views::ButtonListener overrides:
  28   virtual void ButtonPressed(views::Button* sender,
  29                              const ui::Event& event) OVERRIDE;
  30
  31   // views::WidgetDelegate overrides:
  32   virtual void WindowClosing() OVERRIDE;
  33
  34   // views::View overrides:
  35   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
  36   virtual void ViewHierarchyChanged(
  37       const ViewHierarchyChangedDetails& details) OVERRIDE;
  38
  39  protected:
  40   // views::BubbleDelegateView overrides:
  41   virtual bool AcceleratorPressed(
  42       const ui::Accelerator& accelerator) OVERRIDE;
  43   virtual void Init() OVERRIDE;
  44
  45  private:
  46   // Helper function to calculate the remaining time (in seconds) until
  47   // spontaneous reboot.
  48   int GetRemainingTime();
  49
  50   // Helper function to set the headline for the bubble.
  51   void UpdateBubbleHeadline(int seconds);
  52
  53   // Called when the timer fires each time the clock ticks.
  54   void OnCountdown();
  55
  56   // The headline and buttons on the bubble.
  57   views::Label* headline_;
  58   views::LabelButton* restart_button_;
  59   views::LabelButton* dismiss_button_;
  60
  61   // A timer to refresh the bubble to show new countdown value.
  62   base::RepeatingTimer<CriticalNotificationBubbleView> refresh_timer_;
  63
  64   // When the bubble was created.
  65   base::Time bubble_created_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(CriticalNotificationBubbleView);
  68 };
  69
  70 #endif  // CHROME_BROWSER_UI_VIEWS_CRITICAL_NOTIFICATION_BUBBLE_VIEW_H_