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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_FRAME_WINDOW_FRAME_UTIL_H_
#define CHROME_BROWSER_UI_FRAME_WINDOW_FRAME_UTIL_H_
#include "third_party/skia/include/core/SkColor.h"
namespace gfx {
class Size;
}
// Static-only class containing values and helper functions for frame classes
// that need to be accessible outside of /browser/ui/views.
class WindowFrameUtil {
public:
static constexpr int kWindowsCaptionButtonWidth = 45;
static constexpr int kWindowsCaptionButtonHeightRestored = 29;
static constexpr int kWindowsCaptionButtonVisualSpacing = 1;
WindowFrameUtil(const WindowFrameUtil&) = delete;
WindowFrameUtil& operator=(const WindowFrameUtil&) = delete;
// Returns the alpha that the WindowsCaptionButton should use to blend the
// color provided by the theme in determining the button's 'base color'.
static SkAlpha CalculateWindowsCaptionButtonBackgroundAlpha(
SkAlpha theme_alpha);
// Returns the size of the area occupied by the caption buttons in the glass
// browser frame view.
static gfx::Size GetWindowsCaptionButtonAreaSize();
private:
WindowFrameUtil() = default;
};
#endif // CHROME_BROWSER_UI_FRAME_WINDOW_FRAME_UTIL_H_
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