chrome/browser/ui/views/sad_tab_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_SAD_TAB_VIEW_H_
   6 #define CHROME_BROWSER_UI_VIEWS_SAD_TAB_VIEW_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "chrome/browser/ui/sad_tab.h"
  11 #include "ui/views/controls/button/button.h"
  12 #include "ui/views/controls/link_listener.h"
  13 #include "ui/views/view.h"
  14
  15 namespace content {
  16 class WebContents;
  17 }
  18
  19 namespace views {
  20 class Label;
  21 class LabelButton;
  22 }
  23
  24 ///////////////////////////////////////////////////////////////////////////////
  25 //
  26 // SadTabView
  27 //
  28 //  A views::View subclass used to render the presentation of the crashed
  29 //  "sad tab" in the browser window when a renderer is destroyed unnaturally.
  30 //
  31 ///////////////////////////////////////////////////////////////////////////////
  32 class SadTabView : public chrome::SadTab,
  33                    public views::View,
  34                    public views::LinkListener,
  35                    public views::ButtonListener {
  36  public:
  37   SadTabView(content::WebContents* web_contents, chrome::SadTabKind kind);
  38   ~SadTabView() override;
  39
  40   // Overridden from views::View:
  41   void Layout() override;
  42
  43   // Overridden from views::LinkListener:
  44   void LinkClicked(views::Link* source, int event_flags) override;
  45
  46   // Overridden from views::ButtonListener:
  47   void ButtonPressed(views::Button* source, const ui::Event& event) override;
  48
  49  protected:
  50   // Overridden from views::View:
  51   void OnPaint(gfx::Canvas* canvas) override;
  52
  53  private:
  54   // Overridden from chrome::SadTab:
  55   void Show() override;
  56   void Close() override;
  57
  58   views::Label* CreateLabel(const base::string16& text);
  59   views::Link* CreateLink(const base::string16& text);
  60
  61   content::WebContents* web_contents_;
  62   chrome::SadTabKind kind_;
  63   bool painted_;
  64   views::Label* message_;
  65   views::Link* help_link_;
  66   views::Link* feedback_link_;
  67   views::LabelButton* reload_button_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(SadTabView);
  70 };
  71
  72 #endif  // CHROME_BROWSER_UI_VIEWS_SAD_TAB_VIEW_H__