// 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 UI_NATIVE_THEME_COMMON_THEME_H_
#define UI_NATIVE_THEME_COMMON_THEME_H_

#include "base/memory/scoped_ptr.h"
#include "ui/native_theme/native_theme.h"

class SkCanvas;

namespace gfx {
class Canvas;
}

namespace ui {

// Drawing code that is common for all platforms.

// Returns the color to use on Aura for |color_id|.  For a few colors that are
// theme-specific, |base_theme| must be non-null; consult the code to see which
// color IDs fall into this category.
SkColor NATIVE_THEME_EXPORT GetAuraColor(NativeTheme::ColorId color_id,
                                         const NativeTheme* base_theme);

gfx::Size NATIVE_THEME_EXPORT CommonThemeGetPartSize(
    NativeTheme::Part part,
    NativeTheme::State state,
    const NativeTheme::ExtraParams& extra);

void NATIVE_THEME_EXPORT CommonThemePaintComboboxArrow(
    SkCanvas* canvas,
    const gfx::Rect& rect);

void NATIVE_THEME_EXPORT
    CommonThemePaintMenuSeparator(SkCanvas* canvas, const gfx::Rect& rect);

void NATIVE_THEME_EXPORT CommonThemePaintMenuGutter(SkCanvas* canvas,
                                                    const gfx::Rect& rect);

void NATIVE_THEME_EXPORT CommonThemePaintMenuBackground(SkCanvas* canvas,
                                                        const gfx::Rect& rect);

void NATIVE_THEME_EXPORT CommonThemePaintMenuItemBackground(
    SkCanvas* canvas,
    NativeTheme::State state,
    const gfx::Rect& rect);

// Creates a gfx::Canvas wrapping an SkCanvas.
scoped_ptr<gfx::Canvas> NATIVE_THEME_EXPORT CommonThemeCreateCanvas(
    SkCanvas* sk_canvas);

}  // namespace ui

#endif  // UI_NATIVE_THEME_COMMON_THEME_H_