chrome/browser/ui/views/session_crashed_bubble_view.h

   1 // Copyright 2014 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_SESSION_CRASHED_BUBBLE_VIEW_H_
   6 #define CHROME_BROWSER_UI_VIEWS_SESSION_CRASHED_BUBBLE_VIEW_H_
   7
   8 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
   9 #include "content/public/browser/notification_observer.h"
  10 #include "content/public/browser/notification_registrar.h"
  11 #include "content/public/browser/web_contents_observer.h"
  12 #include "ui/views/bubble/bubble_delegate.h"
  13 #include "ui/views/controls/button/button.h"
  14 #include "ui/views/controls/link_listener.h"
  15
  16 namespace views {
  17 class Checkbox;
  18 class GridLayout;
  19 class LabelButton;
  20 class Widget;
  21 }
  22
  23 namespace content {
  24 class WebContents;
  25 class RenderViewHost;
  26 }
  27
  28 class Browser;
  29
  30 // It creates a session restore request bubble when the previous session has
  31 // crashed. It also presents an option to enable metrics reporting, if it not
  32 // enabled already.
  33 class SessionCrashedBubbleView
  34     : public views::BubbleDelegateView,
  35       public views::ButtonListener,
  36       public views::LinkListener,
  37       public content::WebContentsObserver,
  38       public content::NotificationObserver,
  39       public TabStripModelObserver {
  40  public:
  41   static void Show(Browser* browser);
  42
  43  private:
  44   SessionCrashedBubbleView(views::View* anchor_view,
  45                            Browser* browser,
  46                            content::WebContents* web_contents);
  47   virtual ~SessionCrashedBubbleView();
  48
  49   // WidgetDelegateView methods.
  50   virtual views::View* GetInitiallyFocusedView() OVERRIDE;
  51
  52   // views::BubbleDelegateView methods.
  53   virtual void Init() OVERRIDE;
  54
  55   // views::ButtonListener methods.
  56   virtual void ButtonPressed(views::Button* sender,
  57                              const ui::Event& event) OVERRIDE;
  58
  59   // views::LinkListener methods.
  60   virtual void LinkClicked(views::Link* source, int event_floags) OVERRIDE;
  61
  62   // content::WebContentsObserver methods.
  63   virtual void DidStartNavigationToPendingEntry(
  64       const GURL& url,
  65       content::NavigationController::ReloadType reload_type) OVERRIDE;
  66   virtual void DidFinishLoad(
  67       int64 frame_id,
  68       const GURL& validated_url,
  69       bool is_main_frame,
  70       content::RenderViewHost* render_view_host) OVERRIDE;
  71   virtual void WasShown() OVERRIDE;
  72   virtual void WasHidden() OVERRIDE;
  73
  74   // content::NotificationObserver methods.
  75   virtual void Observe(
  76       int type,
  77       const content::NotificationSource& source,
  78       const content::NotificationDetails& details) OVERRIDE;
  79
  80   // TabStripModelObserver methods.
  81   // When the tab with current bubble is being dragged and dropped to a new
  82   // window or to another window, the bubble will be dismissed as if the user
  83   // chose not to restore the previous session.
  84   virtual void TabDetachedAt(
  85       content::WebContents* contents,
  86       int index) OVERRIDE;
  87
  88   // Create the view for user to opt in to Uma.
  89   void CreateUmaOptinView(views::GridLayout* layout);
  90
  91   // Restore previous session after user selects so.
  92   void RestorePreviousSession(views::Button* sender);
  93
  94   // Close and destroy the bubble.
  95   void CloseBubble();
  96
  97   content::NotificationRegistrar registrar_;
  98
  99   // Used for opening the question mark link as well as access the tab strip.
 100   Browser* browser_;
 101
 102   // The web content associated with current bubble.
 103   content::WebContents* web_contents_;
 104
 105   // Button for the user to confirm a session restore.
 106   views::LabelButton* restore_button_;
 107
 108   // Button for the user to close this bubble.
 109   views::LabelButton* close_;
 110
 111   // Checkbox for the user to opt-in to UMA reporting.
 112   views::Checkbox* uma_option_;
 113
 114   // Whether or not a navigation has started on current tab.
 115   bool started_navigation_;
 116
 117   DISALLOW_COPY_AND_ASSIGN(SessionCrashedBubbleView);
 118 };
 119
 120 #endif  // CHROME_BROWSER_UI_VIEWS_SESSION_CRASHED_BUBBLE_VIEW_H_