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/*
* Copyright (C) 2011 Leo Yang <leoyang@webkit.org>
* Copyright (C) 2018 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 "SVGGlyphRefElement.h"
#include "NodeName.h"
#include "SVGElementTypeHelpers.h"
#include "SVGGlyphElement.h"
#include "SVGNames.h"
#include "SVGParserUtilities.h"
#include "XLinkNames.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/text/AtomString.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGGlyphRefElement);
inline SVGGlyphRefElement::SVGGlyphRefElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document, makeUniqueRef<PropertyRegistry>(*this))
, SVGURIReference(this)
{
ASSERT(hasTagName(SVGNames::glyphRefTag));
}
Ref<SVGGlyphRefElement> SVGGlyphRefElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGGlyphRefElement(tagName, document));
}
bool SVGGlyphRefElement::hasValidGlyphElement(String& glyphName) const
{
// FIXME: We only support xlink:href so far.
// https://bugs.webkit.org/show_bug.cgi?id=64787
// No need to support glyphRef referencing another node inside a shadow tree.
auto target = targetElementFromIRIString(getAttribute(SVGNames::hrefAttr, XLinkNames::hrefAttr), document());
glyphName = target.identifier;
return is<SVGGlyphElement>(target.element);
}
static float parseFloat(const AtomString& value)
{
return parseNumber(value).value_or(0);
}
void SVGGlyphRefElement::attributeChanged(const QualifiedName& name, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason attributeModificationReason)
{
// FIXME: Is the error handling in parseFloat correct for these attributes?
switch (name.nodeName()) {
case AttributeNames::xAttr:
m_x = parseFloat(newValue);
break;
case AttributeNames::yAttr:
m_y = parseFloat(newValue);
break;
case AttributeNames::dxAttr:
m_dx = parseFloat(newValue);
break;
case AttributeNames::dyAttr:
m_dy = parseFloat(newValue);
break;
default:
break;
}
SVGURIReference::parseAttribute(name, newValue);
SVGElement::attributeChanged(name, oldValue, newValue, attributeModificationReason);
}
void SVGGlyphRefElement::setX(float x)
{
setAttribute(SVGNames::xAttr, AtomString::number(x));
}
void SVGGlyphRefElement::setY(float y)
{
setAttribute(SVGNames::yAttr, AtomString::number(y));
}
void SVGGlyphRefElement::setDx(float dx)
{
setAttribute(SVGNames::dxAttr, AtomString::number(dx));
}
void SVGGlyphRefElement::setDy(float dy)
{
setAttribute(SVGNames::dyAttr, AtomString::number(dy));
}
}
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