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      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   virtual ~SadTabView();
     39 
     40   // Overridden from views::View:
     41   virtual void Layout() OVERRIDE;
     42 
     43   // Overridden from views::LinkListener:
     44   virtual void LinkClicked(views::Link* source, int event_flags) OVERRIDE;
     45 
     46   // Overridden from views::ButtonListener:
     47   virtual void ButtonPressed(views::Button* source,
     48                              const ui::Event& event) OVERRIDE;
     49 
     50  protected:
     51   // Overridden from views::View:
     52   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
     53 
     54  private:
     55   // Overridden from chrome::SadTab:
     56   virtual void Show() OVERRIDE;
     57   virtual void Close() OVERRIDE;
     58 
     59   views::Label* CreateLabel(const base::string16& text);
     60   views::Link* CreateLink(const base::string16& text);
     61 
     62   content::WebContents* web_contents_;
     63   chrome::SadTabKind kind_;
     64   bool painted_;
     65   views::Label* message_;
     66   views::Link* help_link_;
     67   views::Link* feedback_link_;
     68   views::LabelButton* reload_button_;
     69 
     70   DISALLOW_COPY_AND_ASSIGN(SadTabView);
     71 };
     72 
     73 #endif  // CHROME_BROWSER_UI_VIEWS_SAD_TAB_VIEW_H__
     74