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/*
* 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 "config.h"
#include "StyleInheritedData.h"
#include "RenderStyleInlines.h"
namespace WebCore {
DEFINE_ALLOCATOR_WITH_HEAP_IDENTIFIER(StyleInheritedData);
StyleInheritedData::StyleInheritedData()
: horizontalBorderSpacing(RenderStyle::initialHorizontalBorderSpacing())
, verticalBorderSpacing(RenderStyle::initialVerticalBorderSpacing())
, lineHeight(RenderStyle::initialLineHeight())
#if ENABLE(TEXT_AUTOSIZING)
, specifiedLineHeight(RenderStyle::initialLineHeight())
#endif
, color(RenderStyle::initialColor())
, visitedLinkColor(RenderStyle::initialColor())
{
}
inline StyleInheritedData::StyleInheritedData(const StyleInheritedData& o)
: RefCounted<StyleInheritedData>()
, horizontalBorderSpacing(o.horizontalBorderSpacing)
, verticalBorderSpacing(o.verticalBorderSpacing)
, lineHeight(o.lineHeight)
#if ENABLE(TEXT_AUTOSIZING)
, specifiedLineHeight(o.specifiedLineHeight)
#endif
, fontCascade(o.fontCascade)
, color(o.color)
, visitedLinkColor(o.visitedLinkColor)
{
}
Ref<StyleInheritedData> StyleInheritedData::copy() const
{
return adoptRef(*new StyleInheritedData(*this));
}
bool StyleInheritedData::operator==(const StyleInheritedData& other) const
{
return fastPathInheritedEqual(other) && nonFastPathInheritedEqual(other);
}
bool StyleInheritedData::fastPathInheritedEqual(const StyleInheritedData& other) const
{
// These properties also need to have "fast-path-inherited" codegen property set.
// Cases where other properties depend on these values need to disallow the fast path (via RenderStyle::setDisallowsFastPathInheritance).
return color == other.color
&& visitedLinkColor == other.visitedLinkColor;
}
bool StyleInheritedData::nonFastPathInheritedEqual(const StyleInheritedData& other) const
{
return lineHeight == other.lineHeight
#if ENABLE(TEXT_AUTOSIZING)
&& specifiedLineHeight == other.specifiedLineHeight
#endif
&& fontCascade == other.fontCascade
&& horizontalBorderSpacing == other.horizontalBorderSpacing
&& verticalBorderSpacing == other.verticalBorderSpacing;
}
void StyleInheritedData::fastPathInheritFrom(const StyleInheritedData& inheritParent)
{
color = inheritParent.color;
visitedLinkColor = inheritParent.visitedLinkColor;
}
} // namespace WebCore
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