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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
* Copyright (C) 2014 Adobe Systems Incorporated. All rights reserved.
* 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 "SVGTextPositioningElement.h"
#include "RenderSVGInline.h"
#include "RenderSVGResource.h"
#include "RenderSVGText.h"
#include "SVGAltGlyphElement.h"
#include "SVGNames.h"
#include "SVGTRefElement.h"
#include "SVGTSpanElement.h"
#include "SVGTextElement.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGTextPositioningElement);
SVGTextPositioningElement::SVGTextPositioningElement(const QualifiedName& tagName, Document& document)
: SVGTextContentElement(tagName, document)
{
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
PropertyRegistry::registerProperty<SVGNames::xAttr, &SVGTextPositioningElement::m_x>();
PropertyRegistry::registerProperty<SVGNames::yAttr, &SVGTextPositioningElement::m_y>();
PropertyRegistry::registerProperty<SVGNames::dxAttr, &SVGTextPositioningElement::m_dx>();
PropertyRegistry::registerProperty<SVGNames::dyAttr, &SVGTextPositioningElement::m_dy>();
PropertyRegistry::registerProperty<SVGNames::rotateAttr, &SVGTextPositioningElement::m_rotate>();
});
}
void SVGTextPositioningElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::xAttr) {
m_x->baseVal()->parse(value);
return;
}
if (name == SVGNames::yAttr) {
m_y->baseVal()->parse(value);
return;
}
if (name == SVGNames::dxAttr) {
m_dx->baseVal()->parse(value);
return;
}
if (name == SVGNames::dyAttr) {
m_dy->baseVal()->parse(value);
return;
}
if (name == SVGNames::rotateAttr) {
m_rotate->baseVal()->parse(value);
return;
}
SVGTextContentElement::parseAttribute(name, value);
}
void SVGTextPositioningElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style)
{
if (name == SVGNames::xAttr || name == SVGNames::yAttr)
return;
SVGTextContentElement::collectStyleForPresentationAttribute(name, value, style);
}
bool SVGTextPositioningElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == SVGNames::xAttr || name == SVGNames::yAttr)
return false;
return SVGTextContentElement::isPresentationAttribute(name);
}
void SVGTextPositioningElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (PropertyRegistry::isKnownAttribute(attrName)) {
InstanceInvalidationGuard guard(*this);
if (attrName != SVGNames::rotateAttr)
updateRelativeLengthsInformation();
if (auto renderer = this->renderer()) {
if (auto* textAncestor = RenderSVGText::locateRenderSVGTextAncestor(*renderer))
textAncestor->setNeedsPositioningValuesUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
}
return;
}
SVGTextContentElement::svgAttributeChanged(attrName);
}
SVGTextPositioningElement* SVGTextPositioningElement::elementFromRenderer(RenderBoxModelObject& renderer)
{
if (!is<RenderSVGText>(renderer) && !is<RenderSVGInline>(renderer))
return nullptr;
ASSERT(renderer.element());
SVGElement& element = downcast<SVGElement>(*renderer.element());
if (!is<SVGTextElement>(element)
&& !is<SVGTSpanElement>(element)
#if ENABLE(SVG_FONTS)
&& !is<SVGAltGlyphElement>(element)
#endif
&& !is<SVGTRefElement>(element))
return nullptr;
// FIXME: This should use downcast<>().
return &static_cast<SVGTextPositioningElement&>(element);
}
}