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// Copyright 2016 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_LIBGTKUI_NATIVE_THEME_GTK3_H_
#define CHROME_BROWSER_UI_LIBGTKUI_NATIVE_THEME_GTK3_H_
#include "base/macros.h"
#include "base/optional.h"
#include "ui/native_theme/native_theme_base.h"
namespace libgtkui {
// A version of NativeTheme that uses GTK3-rendered widgets.
class NativeThemeGtk3 : public ui::NativeThemeBase {
public:
static NativeThemeGtk3* instance();
// Called when gtk theme changes.
void ResetColorCache();
// Overridden from ui::NativeThemeBase:
SkColor GetSystemColor(ColorId color_id) const override;
void PaintMenuPopupBackground(
SkCanvas* canvas,
const gfx::Size& size,
const MenuBackgroundExtraParams& menu_background) const override;
void PaintMenuItemBackground(
SkCanvas* canvas,
State state,
const gfx::Rect& rect,
const MenuItemExtraParams& menu_item) const override;
private:
NativeThemeGtk3();
~NativeThemeGtk3() override;
mutable base::Optional<SkColor> color_cache_[kColorId_NumColors];
DISALLOW_COPY_AND_ASSIGN(NativeThemeGtk3);
};
} // namespace libgtkui
#endif // CHROME_BROWSER_UI_LIBGTKUI_NATIVE_THEME_GTK3_H_
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