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/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Oliver Hunt <oliver@nerget.com>
* Copyright (C) 2018-2019 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 "SVGFELightElement.h"
#include "ElementChildIteratorInlines.h"
#include "LegacyRenderSVGResource.h"
#include "NodeName.h"
#include "RenderObject.h"
#include "SVGElementTypeHelpers.h"
#include "SVGFEDiffuseLightingElement.h"
#include "SVGFEDistantLightElement.h"
#include "SVGFEPointLightElement.h"
#include "SVGFESpecularLightingElement.h"
#include "SVGFESpotLightElement.h"
#include "SVGFilterElement.h"
#include "SVGFilterPrimitiveStandardAttributes.h"
#include "SVGNames.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(SVGFELightElement);
SVGFELightElement::SVGFELightElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document, makeUniqueRef<PropertyRegistry>(*this))
{
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
PropertyRegistry::registerProperty<SVGNames::azimuthAttr, &SVGFELightElement::m_azimuth>();
PropertyRegistry::registerProperty<SVGNames::elevationAttr, &SVGFELightElement::m_elevation>();
PropertyRegistry::registerProperty<SVGNames::xAttr, &SVGFELightElement::m_x>();
PropertyRegistry::registerProperty<SVGNames::yAttr, &SVGFELightElement::m_y>();
PropertyRegistry::registerProperty<SVGNames::zAttr, &SVGFELightElement::m_z>();
PropertyRegistry::registerProperty<SVGNames::pointsAtXAttr, &SVGFELightElement::m_pointsAtX>();
PropertyRegistry::registerProperty<SVGNames::pointsAtYAttr, &SVGFELightElement::m_pointsAtY>();
PropertyRegistry::registerProperty<SVGNames::pointsAtZAttr, &SVGFELightElement::m_pointsAtZ>();
PropertyRegistry::registerProperty<SVGNames::specularExponentAttr, &SVGFELightElement::m_specularExponent>();
PropertyRegistry::registerProperty<SVGNames::limitingConeAngleAttr, &SVGFELightElement::m_limitingConeAngle>();
});
}
SVGFELightElement* SVGFELightElement::findLightElement(const SVGElement* svgElement)
{
for (auto& child : childrenOfType<SVGElement>(*svgElement)) {
if (is<SVGFEDistantLightElement>(child) || is<SVGFEPointLightElement>(child) || is<SVGFESpotLightElement>(child))
return static_cast<SVGFELightElement*>(const_cast<SVGElement*>(&child));
}
return nullptr;
}
void SVGFELightElement::attributeChanged(const QualifiedName& name, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason attributeModificationReason)
{
switch (name.nodeName()) {
case AttributeNames::azimuthAttr:
Ref { m_azimuth }->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::elevationAttr:
Ref { m_elevation }->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::xAttr:
Ref { m_x }->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::yAttr:
Ref { m_y }->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::zAttr:
Ref { m_z }->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::pointsAtXAttr:
Ref { m_pointsAtX }->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::pointsAtYAttr:
Ref { m_pointsAtY }->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::pointsAtZAttr:
Ref { m_pointsAtZ }->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::specularExponentAttr:
Ref { m_specularExponent }->setBaseValInternal(newValue.toFloat());
break;
case AttributeNames::limitingConeAngleAttr:
Ref { m_limitingConeAngle }->setBaseValInternal(newValue.toFloat());
break;
default:
break;
}
SVGElement::attributeChanged(name, oldValue, newValue, attributeModificationReason);
}
void SVGFELightElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (PropertyRegistry::isKnownAttribute(attrName)) {
ASSERT(attrName == SVGNames::azimuthAttr || attrName == SVGNames::elevationAttr || attrName == SVGNames::xAttr || attrName == SVGNames::yAttr
|| attrName == SVGNames::zAttr || attrName == SVGNames::pointsAtXAttr || attrName == SVGNames::pointsAtYAttr || attrName == SVGNames::pointsAtZAttr
|| attrName == SVGNames::specularExponentAttr || attrName == SVGNames::limitingConeAngleAttr);
RefPtr parent = parentElement();
if (!parent)
return;
CheckedPtr renderer = parent->renderer();
if (!renderer || !renderer->isRenderOrLegacyRenderSVGResourceFilterPrimitive())
return;
if (auto* lightingElement = dynamicDowncast<SVGFEDiffuseLightingElement>(*parent)) {
InstanceInvalidationGuard guard(*this);
lightingElement->lightElementAttributeChanged(this, attrName);
} else if (auto* lightingElement = dynamicDowncast<SVGFESpecularLightingElement>(*parent)) {
InstanceInvalidationGuard guard(*this);
lightingElement->lightElementAttributeChanged(this, attrName);
}
return;
}
SVGElement::svgAttributeChanged(attrName);
}
void SVGFELightElement::childrenChanged(const ChildChange& change)
{
SVGElement::childrenChanged(change);
if (change.source == ChildChange::Source::Parser)
return;
SVGFilterPrimitiveStandardAttributes::invalidateFilterPrimitiveParent(this);
}
}
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