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// Copyright (c) 2013 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_LIBGTK2UI_NATIVE_THEME_GTK2_H_
#define CHROME_BROWSER_UI_LIBGTK2UI_NATIVE_THEME_GTK2_H_
#include <gtk/gtk.h>
#include "chrome/browser/ui/libgtk2ui/owned_widget_gtk2.h"
#include "ui/native_theme/native_theme_base.h"
typedef struct _GdkColor GdkColor;
namespace libgtk2ui {
// A version of NativeTheme that uses GTK2 supplied colours instead of the
// default aura colours. Analogue to NativeThemeWin, except that can't be
// compiled into the main chrome binary like the Windows code can.
class NativeThemeGtk2 : public ui::NativeThemeBase {
public:
static NativeThemeGtk2* instance();
// Overridden from ui::NativeThemeBase:
virtual gfx::Size GetPartSize(Part part,
State state,
const ExtraParams& extra) const override;
virtual void Paint(SkCanvas* canvas,
Part part,
State state,
const gfx::Rect& rect,
const ExtraParams& extra) const override;
virtual SkColor GetSystemColor(ColorId color_id) const override;
virtual void PaintMenuPopupBackground(
SkCanvas* canvas,
const gfx::Size& size,
const MenuBackgroundExtraParams& menu_background) const override;
virtual void PaintMenuItemBackground(
SkCanvas* canvas,
State state,
const gfx::Rect& rect,
const MenuListExtraParams& menu_list) const override;
private:
NativeThemeGtk2();
virtual ~NativeThemeGtk2();
// Implementation of GetSystemColor.
GdkColor GetSystemGdkColor(ColorId color_id) const;
// Returns styles associated with various widget types.
GtkWidget* GetRealizedWindow() const;
GtkStyle* GetWindowStyle() const;
GtkStyle* GetEntryStyle() const;
GtkStyle* GetLabelStyle() const;
GtkStyle* GetButtonStyle() const;
GtkStyle* GetTreeStyle() const;
GtkStyle* GetTooltipStyle() const;
GtkStyle* GetMenuStyle() const;
GtkStyle* GetMenuItemStyle() const;
void PaintComboboxArrow(SkCanvas* canvas,
GtkStateType state,
const gfx::Rect& rect) const;
mutable GtkWidget* fake_window_;
mutable GtkWidget* fake_tooltip_;
mutable OwnedWidgetGtk fake_entry_;
mutable OwnedWidgetGtk fake_label_;
mutable OwnedWidgetGtk fake_button_;
mutable OwnedWidgetGtk fake_tree_;
mutable OwnedWidgetGtk fake_menu_;
mutable GtkWidget* fake_menu_item_;
DISALLOW_COPY_AND_ASSIGN(NativeThemeGtk2);
};
} // namespace libgtk2ui
#endif // CHROME_BROWSER_UI_LIBGTK2UI_NATIVE_THEME_GTK2_H_
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