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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_GO_BUTTON_GTK_H_
#define CHROME_BROWSER_GTK_GO_BUTTON_GTK_H_
#include <gtk/gtk.h>
#include "base/basictypes.h"
#include "base/task.h"
#include "chrome/browser/gtk/custom_button.h"
#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_registrar.h"
#include "chrome/common/owned_widget_gtk.h"
class Browser;
class GtkThemeProvider;
class LocationBarViewGtk;
class Task;
class GoButtonGtk : public NotificationObserver {
public:
enum Mode { MODE_GO = 0, MODE_STOP };
enum ButtonState { BS_NORMAL = 0, BS_HOT };
GoButtonGtk(LocationBarViewGtk* location_bar, Browser* browser);
~GoButtonGtk();
GtkWidget* widget() const { return widget_.get(); }
ButtonState state() const { return state_; }
// Ask for a specified button state. If |force| is true this will be applied
// immediately.
void ChangeMode(Mode mode, bool force);
// Provide NotificationObserver implementation.
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
private:
friend class GoButtonGtkPeer;
// gtk signals
static gboolean OnExpose(GtkWidget* widget,
GdkEventExpose* e,
GoButtonGtk* button);
static gboolean OnEnter(GtkButton* widget, GoButtonGtk* button);
static gboolean OnLeave(GtkButton* widget, GoButtonGtk* button);
static gboolean OnClicked(GtkButton* widget, GoButtonGtk* button);
void SetToggled();
Task* CreateButtonTimerTask();
void OnButtonTimer();
void SetTooltip();
void UpdateThemeButtons();
// Used to listen for theme change notifications.
NotificationRegistrar registrar_;
LocationBarViewGtk* const location_bar_;
// Keep a pointer to the Browser object to execute commands on it.
Browser* const browser_;
// Delay time to wait before allowing a mode change. This is to prevent a
// mode switch while the user is double clicking.
int button_delay_;
ScopedRunnableMethodFactory<GoButtonGtk> stop_timer_;
// The mode we should be in
Mode intended_mode_;
// The currently-visible mode - this may different from the intended mode
Mode visible_mode_;
ButtonState state_;
GtkThemeProvider* theme_provider_;
CustomDrawButtonBase go_;
CustomDrawButtonBase stop_;
OwnedWidgetGtk widget_;
DISALLOW_COPY_AND_ASSIGN(GoButtonGtk);
};
#endif // CHROME_BROWSER_GTK_GO_BUTTON_GTK_H_
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