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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "Document.h"
#include "Element.h"
#include "ElementData.h"
#include "HTMLNames.h"
#include "RenderStyle.h"
#include "StyleChange.h"
namespace WebCore {
inline AttributeIteratorAccessor Element::attributesIterator() const
{
return elementData()->attributesIterator();
}
inline unsigned Element::findAttributeIndexByName(const QualifiedName& name) const
{
return elementData()->findAttributeIndexByName(name);
}
inline unsigned Element::findAttributeIndexByName(const AtomString& name, bool shouldIgnoreAttributeCase) const
{
return elementData()->findAttributeIndexByName(name, shouldIgnoreAttributeCase);
}
inline bool Node::hasAttributes() const
{
return is<Element>(*this) && downcast<Element>(*this).hasAttributes();
}
inline NamedNodeMap* Node::attributes() const
{
return is<Element>(*this) ? &downcast<Element>(*this).attributes() : nullptr;
}
inline Element* Node::parentElement() const
{
return dynamicDowncast<Element>(parentNode());
}
inline const Element* Element::rootElement() const
{
if (isConnected())
return document().documentElement();
const Element* highest = this;
while (highest->parentElement())
highest = highest->parentElement();
return highest;
}
inline bool Element::hasAttributeWithoutSynchronization(const QualifiedName& name) const
{
ASSERT(fastAttributeLookupAllowed(name));
return elementData() && findAttributeByName(name);
}
inline const AtomString& Element::attributeWithoutSynchronization(const QualifiedName& name) const
{
if (elementData()) {
if (const Attribute* attribute = findAttributeByName(name))
return attribute->value();
}
return nullAtom();
}
inline bool Element::hasAttributesWithoutUpdate() const
{
return elementData() && !elementData()->isEmpty();
}
inline const AtomString& Element::idForStyleResolution() const
{
return hasID() ? elementData()->idForStyleResolution() : nullAtom();
}
inline const AtomString& Element::getIdAttribute() const
{
if (hasID())
return elementData()->findAttributeByName(HTMLNames::idAttr)->value();
return nullAtom();
}
inline const AtomString& Element::getNameAttribute() const
{
if (hasName())
return elementData()->findAttributeByName(HTMLNames::nameAttr)->value();
return nullAtom();
}
inline void Element::setIdAttribute(const AtomString& value)
{
setAttributeWithoutSynchronization(HTMLNames::idAttr, value);
}
inline const SpaceSplitString& Element::classNames() const
{
ASSERT(hasClass());
ASSERT(elementData());
return elementData()->classNames();
}
inline unsigned Element::attributeCount() const
{
ASSERT(elementData());
return elementData()->length();
}
inline const Attribute& Element::attributeAt(unsigned index) const
{
ASSERT(elementData());
return elementData()->attributeAt(index);
}
inline const Attribute* Element::findAttributeByName(const QualifiedName& name) const
{
ASSERT(elementData());
return elementData()->findAttributeByName(name);
}
inline bool Element::hasID() const
{
return elementData() && elementData()->hasID();
}
inline bool Element::hasClass() const
{
return elementData() && elementData()->hasClass();
}
inline bool Element::hasName() const
{
return elementData() && elementData()->hasName();
}
inline UniqueElementData& Element::ensureUniqueElementData()
{
if (!elementData() || !elementData()->isUnique())
createUniqueElementData();
return static_cast<UniqueElementData&>(*m_elementData);
}
inline bool shouldIgnoreAttributeCase(const Element& element)
{
return element.isHTMLElement() && element.document().isHTMLDocument();
}
template<typename... QualifiedNames>
inline const AtomString& Element::getAttribute(const QualifiedName& name, const QualifiedNames&... names) const
{
const AtomString& value = getAttribute(name);
if (!value.isNull())
return value;
return getAttribute(names...);
}
inline bool isInTopLayerOrBackdrop(const RenderStyle& style, const Element* element)
{
return (element && element->isInTopLayer()) || style.styleType() == PseudoId::Backdrop;
}
}