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/controls/styled_label.h"
  14 #include "ui/views/controls/styled_label_listener.h"
  15 #include "ui/views/view.h"
  16
  17 namespace content {
  18 class WebContents;
  19 }
  20
  21 namespace views {
  22 class Label;
  23 class LabelButton;
  24 }
  25
  26 ///////////////////////////////////////////////////////////////////////////////
  27 //
  28 // SadTabView
  29 //
  30 //  A views::View subclass used to render the presentation of the crashed
  31 //  "sad tab" in the browser window when a renderer is destroyed unnaturally.
  32 //
  33 ///////////////////////////////////////////////////////////////////////////////
  34 class SadTabView : public chrome::SadTab,
  35                    public views::View,
  36                    public views::LinkListener,
  37                    public views::ButtonListener {
  38  public:
  39   // Tag to denote which type of action button is displayed.
  40   enum ButtonTag {
  41     SAD_TAB_BUTTON_FEEDBACK,
  42     SAD_TAB_BUTTON_RELOAD,
  43   };
  44
  45   SadTabView(content::WebContents* web_contents, chrome::SadTabKind kind);
  46   ~SadTabView() override;
  47
  48   // Overridden from views::View:
  49   void Layout() override;
  50
  51   // Overridden from views::LinkListener:
  52   void LinkClicked(views::Link* source, int event_flags) override;
  53
  54   // Overridden from views::ButtonListener:
  55   void ButtonPressed(views::Button* source, const ui::Event& event) override;
  56
  57  protected:
  58   // Overridden from views::View:
  59   void OnPaint(gfx::Canvas* canvas) override;
  60
  61  private:
  62   // Overridden from chrome::SadTab:
  63   void Show() override;
  64   void Close() override;
  65
  66   views::Label* CreateLabel(const base::string16& text);
  67   views::Link* CreateLink(const base::string16& text, const SkColor& color);
  68
  69   content::WebContents* web_contents_;
  70   chrome::SadTabKind kind_;
  71   bool painted_;
  72   views::Label* message_;
  73   views::Link* help_link_;
  74   views::LabelButton* action_button_;
  75   views::Label* title_;
  76   views::StyledLabel* help_message_;
  77   static int total_crashes_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(SadTabView);
  80 };
  81
  82 #endif  // CHROME_BROWSER_UI_VIEWS_SAD_TAB_VIEW_H__