Implement the core functionality of the gtk task manager....

chrome/browser/gtk/task_manager_gtk.h

 // Copyright (c) 2009 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_GTK_TASK_MANAGER_GTK_H_
 #define CHROME_BROWSER_GTK_TASK_MANAGER_GTK_H_
 
+#include <gtk/gtk.h>
+
+#include <string>
+
 #include "chrome/browser/task_manager.h"
 
 class TaskManagerGtk : public TaskManagerModelObserver {
  public:
   TaskManagerGtk();
   virtual ~TaskManagerGtk();
 
   // TaskManagerModelObserver
   virtual void OnModelChanged();
   virtual void OnItemsChanged(int start, int length);
   virtual void OnItemsAdded(int start, int length);
   virtual void OnItemsRemoved(int start, int length);
 
-  void Init();
-
-  // response signal handler that notifies us of dialog responses.
-  static void OnResponse(GtkDialog* dialog, gint response_id,
-                         TaskManagerGtk* task_manager);
-
   // Creates the task manager if it doesn't exist; otherwise, it activates the
   // existing task manager window.
   static void Show();
 
  private:
+  // Initializes the task manager dialog.
+  void Init();
+
+  // Sets up the treeview widget.
+  void CreateTaskManagerTreeview();
+
+  // Returns the model data for a given |row| and |col_id|.
+  std::string GetModelText(int row, int col_id);
+
+  // Sets the treeview row data.  |row| is an index into the model and |iter|
+  // is the current position in the treeview.
+  void SetRowDataFromModel(int row, GtkTreeIter* iter);
+
+  // Queries the treeview for the selected rows, and kills those processes.
+  void KillSelectedProcesses();
+
+  // response signal handler that notifies us of dialog responses.
+  static void OnResponse(GtkDialog* dialog, gint response_id,
+                         TaskManagerGtk* task_manager);
+
+  // changed signal handler that is sent when the treeview selection changes.
+  static void OnSelectionChanged(GtkTreeSelection* selection,
+                                 TaskManagerGtk* task_manager);
+
   // The task manager.
   TaskManager* task_manager_;
 
   // Our model.
   TaskManagerModel* model_;
 
   // The task manager dialog window.
   GtkWidget* dialog_;
 
   // The treeview that contains the process list.
   GtkWidget* treeview_;
 
+  // The list of processes.
+  GtkListStore* process_list_;
+
+  // The number of processes in |process_list_|.
+  int process_count_;
+
   // An open task manager window. There can only be one open at a time. This
   // is reset to NULL when the window is closed.
   static TaskManagerGtk* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerGtk);
 };
 
 #endif  // CHROME_BROWSER_GTK_TASK_MANAGER_GTK_H_