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/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
*
* 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 "core/svg/SVGCursorElement.h"
#include "core/SVGNames.h"
#include "core/XLinkNames.h"
namespace blink {
inline SVGCursorElement::SVGCursorElement(Document& document)
: SVGElement(SVGNames::cursorTag, document)
, SVGTests(this)
, SVGURIReference(this)
, m_x(SVGAnimatedLength::create(this, SVGNames::xAttr, SVGLength::create(LengthModeWidth), AllowNegativeLengths))
, m_y(SVGAnimatedLength::create(this, SVGNames::yAttr, SVGLength::create(LengthModeHeight), AllowNegativeLengths))
{
addToPropertyMap(m_x);
addToPropertyMap(m_y);
}
DEFINE_NODE_FACTORY(SVGCursorElement)
SVGCursorElement::~SVGCursorElement()
{
// The below teardown is all handled by weak pointer processing in oilpan.
#if !ENABLE(OILPAN)
for (const auto& client : m_clients)
client->cursorElementRemoved();
#endif
}
bool SVGCursorElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty()) {
SVGTests::addSupportedAttributes(supportedAttributes);
SVGURIReference::addSupportedAttributes(supportedAttributes);
supportedAttributes.add(SVGNames::xAttr);
supportedAttributes.add(SVGNames::yAttr);
}
return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
}
void SVGCursorElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
parseAttributeNew(name, value);
}
void SVGCursorElement::addClient(SVGElement* element)
{
m_clients.add(element);
element->setCursorElement(this);
}
#if !ENABLE(OILPAN)
void SVGCursorElement::removeClient(SVGElement* element)
{
HashSet<RawPtr<SVGElement> >::iterator it = m_clients.find(element);
if (it != m_clients.end()) {
m_clients.remove(it);
element->cursorElementRemoved();
}
}
#endif
void SVGCursorElement::removeReferencedElement(SVGElement* element)
{
m_clients.remove(element);
}
void SVGCursorElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
SVGElement::InvalidationGuard invalidationGuard(this);
// Any change of a cursor specific attribute triggers this recalc.
for (const auto& client : m_clients)
client->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::SVGCursor));
}
void SVGCursorElement::trace(Visitor* visitor)
{
#if ENABLE(OILPAN)
visitor->trace(m_x);
visitor->trace(m_y);
visitor->trace(m_clients);
#endif
SVGElement::trace(visitor);
SVGTests::trace(visitor);
SVGURIReference::trace(visitor);
}
} // namespace blink
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