Revert 147867 - Move the HungRendererDialogView and HungPagesTableModel classes into a header file …

chrome/browser/ui/views/hung_renderer_view.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_UI_VIEWS_HUNG_RENDERER_VIEW_H_
-#define CHROME_BROWSER_UI_VIEWS_HUNG_RENDERER_VIEW_H_
-
-#include "base/memory/scoped_vector.h"
-#include "chrome/browser/ui/tab_contents/tab_contents.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_observer.h"
-#include "ui/views/controls/button/text_button.h"
-#include "ui/views/controls/table/group_table_model.h"
-#include "ui/views/controls/table/group_table_view.h"
-#include "ui/views/window/dialog_delegate.h"
-
-using content::RenderViewHost;
-using content::WebContents;
-
-// Provides functionality to display information about a hung renderer.
-class HungPagesTableModel : public views::GroupTableModel {
- public:
-  // The Delegate is notified any time a WebContents the model is listening to
-  // is destroyed.
-  class Delegate {
-   public:
-    virtual void TabDestroyed() = 0;
-
-   protected:
-    virtual ~Delegate() {}
-  };
-
-  explicit HungPagesTableModel(Delegate* delegate);
-  virtual ~HungPagesTableModel();
-
-  void InitForWebContents(WebContents* hung_contents);
-
-  // Returns the first RenderProcessHost, or NULL if there aren't any
-  // WebContents.
-  content::RenderProcessHost* GetRenderProcessHost();
-
-  // Returns the first RenderViewHost, or NULL if there aren't any WebContents.
-  RenderViewHost* GetRenderViewHost();
-
-  // Overridden from views::GroupTableModel:
-  virtual int RowCount();
-  virtual string16 GetText(int row, int column_id);
-  virtual gfx::ImageSkia GetIcon(int row);
-  virtual void SetObserver(ui::TableModelObserver* observer);
-  virtual void GetGroupRangeForItem(int item, views::GroupRange* range);
-
- private:
-  // Used to track a single WebContents. If the WebContents is destroyed
-  // TabDestroyed() is invoked on the model.
-  class WebContentsObserverImpl : public content::WebContentsObserver {
-   public:
-    WebContentsObserverImpl(HungPagesTableModel* model,
-                            TabContents* tab);
-
-    WebContents* web_contents() const {
-      return content::WebContentsObserver::web_contents();
-    }
-
-    FaviconTabHelper* favicon_tab_helper() {
-      return tab_->favicon_tab_helper();
-    }
-
-    // WebContentsObserver overrides:
-    virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE;
-    virtual void WebContentsDestroyed(WebContents* tab) OVERRIDE;
-
-   private:
-    HungPagesTableModel* model_;
-    TabContents* tab_;
-
-    DISALLOW_COPY_AND_ASSIGN(WebContentsObserverImpl);
-  };
-
-  // Invoked when a WebContents is destroyed. Cleans up |tab_observers_| and
-  // notifies the observer and delegate.
-  void TabDestroyed(WebContentsObserverImpl* tab);
-
-  typedef ScopedVector<WebContentsObserverImpl> TabObservers;
-  TabObservers tab_observers_;
-
-  ui::TableModelObserver* observer_;
-  Delegate* delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(HungPagesTableModel);
-};
-
-// This class displays a dialog which contains information about a hung
-// renderer process.
-class HungRendererDialogView : public views::DialogDelegateView,
-                               public views::ButtonListener,
-                               public HungPagesTableModel::Delegate {
- public:
-  // Factory function for creating an instance of the HungRendererDialogView
-  // class. At any given point only one instance can be active.
-  static HungRendererDialogView* Create();
-  // Returns a pointer to the singleton instance if any.
-  static HungRendererDialogView* GetInstance();
-
-  virtual void ShowForWebContents(WebContents* contents);
-  virtual void EndForWebContents(WebContents* contents);
-
-  // views::DialogDelegateView overrides:
-  virtual string16 GetWindowTitle() const OVERRIDE;
-  virtual void WindowClosing() OVERRIDE;
-  virtual int GetDialogButtons() const OVERRIDE;
-  virtual string16 GetDialogButtonLabel(ui::DialogButton button) const OVERRIDE;
-  virtual views::View* GetExtraView() OVERRIDE;
-  virtual bool Accept(bool window_closing)  OVERRIDE;
-  virtual views::View* GetContentsView()  OVERRIDE;
-
-  // views::ButtonListener overrides:
-  virtual void ButtonPressed(views::Button* sender,
-                             const views::Event& event) OVERRIDE;
-
-  // HungPagesTableModel::Delegate overrides:
-  virtual void TabDestroyed() OVERRIDE;
-
- protected:
-  HungRendererDialogView();
-  virtual ~HungRendererDialogView();
-
-  // views::View overrides:
-  virtual void ViewHierarchyChanged(bool is_add,
-                                    views::View* parent,
-                                    views::View* child) OVERRIDE;
-
-  // Returns true if the frame is in the foreground.
-  bool IsFrameActive(WebContents* contents);
-
-  static HungRendererDialogView* g_instance_;
-
- private:
-  // Initialize the controls in this dialog.
-  void Init();
-  void CreateKillButtonView();
-
-  // Returns the bounds the dialog should be displayed at to be meaningfully
-  // associated with the specified WebContents.
-  gfx::Rect GetDisplayBounds(WebContents* contents);
-
-  static void InitClass();
-
-  // Controls within the dialog box.
-  views::GroupTableView* hung_pages_table_;
-
-  // The button we insert into the ClientView to kill the errant process. This
-  // is parented to a container view that uses a grid layout to align it
-  // properly.
-  views::TextButton* kill_button_;
-  views::View* kill_button_container_;
-
-  // The model that provides the contents of the table that shows a list of
-  // pages affected by the hang.
-  scoped_ptr<HungPagesTableModel> hung_pages_table_model_;
-
-  // Whether or not we've created controls for ourself.
-  bool initialized_;
-
-  // An amusing icon image.
-  static gfx::ImageSkia* frozen_icon_;
-
-  DISALLOW_COPY_AND_ASSIGN(HungRendererDialogView);
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_HUNG_RENDERER_VIEW_H_