third_party/WebKit/Source/core/style/StyleBoxData.cpp

/*
 * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#include "core/style/StyleBoxData.h"

#include "core/style/ComputedStyle.h"

namespace blink {

struct SameSizeAsStyleBoxData : public RefCounted<SameSizeAsStyleBoxData> {
  Length length[7];
  int m_zIndex;
  uint32_t bitfields;
};

static_assert(sizeof(StyleBoxData) == sizeof(SameSizeAsStyleBoxData),
              "StyleBoxData should stay small");

StyleBoxData::StyleBoxData()
    : m_minWidth(ComputedStyle::initialMinSize()),
      m_maxWidth(ComputedStyle::initialMaxSize()),
      m_minHeight(ComputedStyle::initialMinSize()),
      m_maxHeight(ComputedStyle::initialMaxSize()),
      m_zIndex(0),
      m_hasAutoZIndex(true),
      m_boxSizing(static_cast<unsigned>(ComputedStyle::initialBoxSizing())),
      m_boxDecorationBreak(BoxDecorationBreakSlice) {}

StyleBoxData::StyleBoxData(const StyleBoxData& o)
    : RefCounted<StyleBoxData>(),
      m_width(o.m_width),
      m_height(o.m_height),
      m_minWidth(o.m_minWidth),
      m_maxWidth(o.m_maxWidth),
      m_minHeight(o.m_minHeight),
      m_maxHeight(o.m_maxHeight),
      m_verticalAlign(o.m_verticalAlign),
      m_zIndex(o.m_zIndex),
      m_hasAutoZIndex(o.m_hasAutoZIndex),
      m_boxSizing(o.m_boxSizing),
      m_boxDecorationBreak(o.m_boxDecorationBreak) {}

bool StyleBoxData::operator==(const StyleBoxData& o) const {
  return m_width == o.m_width && m_height == o.m_height &&
         m_minWidth == o.m_minWidth && m_maxWidth == o.m_maxWidth &&
         m_minHeight == o.m_minHeight && m_maxHeight == o.m_maxHeight &&
         m_verticalAlign == o.m_verticalAlign && m_zIndex == o.m_zIndex &&
         m_hasAutoZIndex == o.m_hasAutoZIndex && m_boxSizing == o.m_boxSizing &&
         m_boxDecorationBreak == o.m_boxDecorationBreak;
}

}  // namespace blink