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// 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_PANELS_PANEL_BROWSER_TITLEBAR_GTK_H_
#define CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_TITLEBAR_GTK_H_
#include <gtk/gtk.h>
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/ui/gtk/browser_titlebar_base.h"
#include "chrome/browser/ui/gtk/titlebar_throb_animation.h"
#include "chrome/browser/ui/panels/panel_constants.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/base/gtk/gtk_signal.h"
#include "ui/gfx/skia_util.h"
class CustomDrawButton;
class GtkThemeService;
class PanelBrowserWindowGtk;
namespace content {
class WebContents;
}
class PanelBrowserTitlebarGtk : public BrowserTitlebarBase,
public content::NotificationObserver {
public:
PanelBrowserTitlebarGtk(PanelBrowserWindowGtk* browser_window,
GtkWindow* window);
virtual ~PanelBrowserTitlebarGtk();
void UpdateTextColor();
void UpdateMinimizeRestoreButtonVisibility();
// When a panel appears in the same position as the one of the panel being
// closed and the cursor stays in the close button, the close button appears
// not to be clickable. This is because neither "enter-notify-event" nor
// "clicked" event for the new panel gets fired if the mouse does not move.
// This creates a bad experience when a user has multiple panels of the same
// size (which is typical) and tries closing them all by repeatedly clicking
// in the same place on the screen.
//
// Opened a gtk bug for this -
// https://bugzilla.gnome.org/show_bug.cgi?id=667841
void SendEnterNotifyToCloseButtonIfUnderMouse();
// Overriden from BrowserTitlebarBase.
virtual void Init() OVERRIDE;
virtual void UpdateTitleAndIcon() OVERRIDE;
virtual void UpdateCustomFrame(bool use_custom_frame) OVERRIDE;
virtual void UpdateThrobber(content::WebContents* web_contents) OVERRIDE;
virtual void ShowContextMenu(GdkEventButton* event) OVERRIDE;
virtual GtkWidget* widget() const OVERRIDE;
virtual void set_window(GtkWindow* window) OVERRIDE;
virtual AvatarMenuButtonGtk* avatar_button() const OVERRIDE;
private:
friend class NativePanelTestingGtk;
// Overridden from content::NotificationObserver:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
void BuildButtons();
CustomDrawButton* CreateButton(panel::TitlebarButtonType button_type);
void GetButtonResources(panel::TitlebarButtonType button_type,
int* normal_image_id,
int* pressed_image_id,
int* hover_image_id,
int* tooltip_id) const;
GtkWidget* GetButtonHBox();
// Callback for changes to window state. This includes minimizing/restoring
// the window.
CHROMEG_CALLBACK_1(PanelBrowserTitlebarGtk, gboolean, OnWindowStateChanged,
GtkWindow*, GdkEventWindowState*);
// Callback for minimize/restore/close buttons.
CHROMEGTK_CALLBACK_0(PanelBrowserTitlebarGtk, void, OnButtonClicked);
CustomDrawButton* close_button() const { return close_button_.get(); }
CustomDrawButton* minimize_button() const { return minimize_button_.get(); }
CustomDrawButton* restore_button() const { return restore_button_.get(); }
SkColor GetTextColor() const;
// Pointers to the browser window that owns us and its GtkWindow.
PanelBrowserWindowGtk* browser_window_;
GtkWindow* window_;
// The container widget the holds the hbox which contains the whole titlebar.
GtkWidget* container_;
// VBoxes that holds the minimize/restore/close buttons box.
GtkWidget* titlebar_right_buttons_vbox_;
// HBoxes that contains the actual min/max/close buttons.
GtkWidget* titlebar_right_buttons_hbox_;
// The icon and page title.
GtkWidget* icon_;
GtkWidget* title_;
// The buttons.
scoped_ptr<CustomDrawButton> close_button_;
scoped_ptr<CustomDrawButton> minimize_button_;
scoped_ptr<CustomDrawButton> restore_button_;
TitlebarThrobAnimation throbber_;
GtkThemeService* theme_service_;
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(PanelBrowserTitlebarGtk);
};
#endif // CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_TITLEBAR_GTK_H_
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