gecko-dev/accessible/base/StyleInfo.h

50 строки
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set expandtab shiftwidth=2 tabstop=2: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _mozilla_a11y_style_h_
#define _mozilla_a11y_style_h_
#include "mozilla/gfx/Types.h"
#include "mozilla/ComputedStyle.h"
namespace mozilla {
namespace dom {
class Element;
} // namespace dom
namespace a11y {
class StyleInfo {
public:
explicit StyleInfo(dom::Element* aElement);
~StyleInfo() {}
already_AddRefed<nsAtom> Display();
already_AddRefed<nsAtom> TextAlign();
mozilla::LengthPercentage TextIndent();
CSSCoord MarginLeft() { return Margin(eSideLeft); }
CSSCoord MarginRight() { return Margin(eSideRight); }
CSSCoord MarginTop() { return Margin(eSideTop); }
CSSCoord MarginBottom() { return Margin(eSideBottom); }
static void FormatColor(const nscolor& aValue, nsAString& aFormattedValue);
static already_AddRefed<nsAtom> TextDecorationStyleToAtom(uint8_t aValue);
private:
StyleInfo() = delete;
StyleInfo(const StyleInfo&) = delete;
StyleInfo& operator=(const StyleInfo&) = delete;
CSSCoord Margin(Side aSide);
dom::Element* mElement;
RefPtr<const ComputedStyle> mComputedStyle;
};
} // namespace a11y
} // namespace mozilla
#endif