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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003-2024 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 "HTMLHRElement.h"
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "CSSValuePool.h"
#include "ElementInlines.h"
#include "HTMLNames.h"
#include "HTMLParserIdioms.h"
#include "MutableStyleProperties.h"
#include "NodeName.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(HTMLHRElement);
using namespace HTMLNames;
HTMLHRElement::HTMLHRElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(hrTag));
}
Ref<HTMLHRElement> HTMLHRElement::create(Document& document)
{
return adoptRef(*new HTMLHRElement(hrTag, document));
}
Ref<HTMLHRElement> HTMLHRElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLHRElement(tagName, document));
}
bool HTMLHRElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const
{
switch (name.nodeName()) {
case AttributeNames::widthAttr:
case AttributeNames::colorAttr:
case AttributeNames::noshadeAttr:
case AttributeNames::sizeAttr:
return true;
default:
break;
}
return HTMLElement::hasPresentationalHintsForAttribute(name);
}
void HTMLHRElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& style)
{
switch (name.nodeName()) {
case AttributeNames::alignAttr:
if (equalLettersIgnoringASCIICase(value, "left"_s)) {
addPropertyToPresentationalHintStyle(style, CSSPropertyMarginLeft, 0, CSSUnitType::CSS_PX);
addPropertyToPresentationalHintStyle(style, CSSPropertyMarginRight, CSSValueAuto);
} else if (equalLettersIgnoringASCIICase(value, "right"_s)) {
addPropertyToPresentationalHintStyle(style, CSSPropertyMarginLeft, CSSValueAuto);
addPropertyToPresentationalHintStyle(style, CSSPropertyMarginRight, 0, CSSUnitType::CSS_PX);
} else {
addPropertyToPresentationalHintStyle(style, CSSPropertyMarginLeft, CSSValueAuto);
addPropertyToPresentationalHintStyle(style, CSSPropertyMarginRight, CSSValueAuto);
}
break;
case AttributeNames::widthAttr:
addHTMLLengthToStyle(style, CSSPropertyWidth, value);
break;
case AttributeNames::colorAttr:
addPropertyToPresentationalHintStyle(style, CSSPropertyBorderStyle, CSSValueSolid);
addHTMLColorToStyle(style, CSSPropertyBorderColor, value);
addHTMLColorToStyle(style, CSSPropertyBackgroundColor, value);
break;
case AttributeNames::noshadeAttr:
if (!hasAttributeWithoutSynchronization(colorAttr)) {
addPropertyToPresentationalHintStyle(style, CSSPropertyBorderStyle, CSSValueSolid);
auto darkGrayValue = CSSValuePool::singleton().createColorValue(Color::darkGray);
style.setProperty(CSSPropertyBorderColor, darkGrayValue);
style.setProperty(CSSPropertyBackgroundColor, WTFMove(darkGrayValue));
}
break;
case AttributeNames::sizeAttr:
if (int size = parseHTMLInteger(value).value_or(0); size > 1)
addPropertyToPresentationalHintStyle(style, CSSPropertyHeight, size - 2, CSSUnitType::CSS_PX);
else
addPropertyToPresentationalHintStyle(style, CSSPropertyBorderBottomWidth, 0, CSSUnitType::CSS_PX);
break;
default:
HTMLElement::collectPresentationalHintsForAttribute(name, value, style);
break;
}
}
bool HTMLHRElement::canContainRangeEndPoint() const
{
return hasChildNodes() && HTMLElement::canContainRangeEndPoint();
}
}
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