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// 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);
// Creates the task manager if it doesn't exist; otherwise, it activates the
// existing task manager window.
static void Show();
private:
class ContextMenuController;
friend class ContextMenuController;
// Initializes the task manager dialog.
void Init();
// Set |dialog_|'s initial size, using its previous size if that was saved.
void SetInitialDialogSize();
// Connects the ctrl-w accelerator to the dialog.
void ConnectAccelerators();
// 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);
// Retrieves the resource icon from the model for |row|.
GdkPixbuf* GetModelIcon(int row);
// 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();
// Opens the context menu used to select the task manager columns.
void ShowContextMenu();
// Activates the tab associated with the focused row.
void ActivateFocusedTab();
// Opens about:memory in a new foreground tab.
void OnLinkActivated();
// 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);
// button-press-event handler that activates a process on double-click.
static gboolean OnButtonPressEvent(GtkWidget* widget, GdkEventButton* event,
TaskManagerGtk* task_manager);
// button-release-event handler that opens the right-click context menu.
static gboolean OnButtonReleaseEvent(GtkWidget* widget, GdkEventButton* event,
TaskManagerGtk* task_manager);
// Handles an accelerator being pressed.
static gboolean OnGtkAccelerator(GtkAccelGroup* accel_group,
GObject* acceleratable,
guint keyval,
GdkModifierType modifier,
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_;
// The context menu controller.
scoped_ptr<ContextMenuController> menu_controller_;
// 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_
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