blob: f769fda8d5e68058871d4cd5c57d658ef7a20d35 [file] [log] [blame]
/*
* Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
* Copyright (C) 2008-2018 Apple Inc. All rights reserved.
* Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. 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 "SVGAltGlyphElement.h"
#include "RenderInline.h"
#include "RenderSVGTSpan.h"
#include "SVGAltGlyphDefElement.h"
#include "SVGElementInlines.h"
#include "SVGElementTypeHelpers.h"
#include "SVGGlyphElement.h"
#include "SVGNames.h"
#include "XLinkNames.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGAltGlyphElement);
inline SVGAltGlyphElement::SVGAltGlyphElement(const QualifiedName& tagName, Document& document)
: SVGTextPositioningElement(tagName, document)
, SVGURIReference(this)
{
ASSERT(hasTagName(SVGNames::altGlyphTag));
}
Ref<SVGAltGlyphElement> SVGAltGlyphElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGAltGlyphElement(tagName, document));
}
ExceptionOr<void> SVGAltGlyphElement::setGlyphRef(const AtomString&)
{
return Exception { NoModificationAllowedError };
}
const AtomString& SVGAltGlyphElement::glyphRef() const
{
return attributeWithoutSynchronization(SVGNames::glyphRefAttr);
}
ExceptionOr<void> SVGAltGlyphElement::setFormat(const AtomString&)
{
return Exception { NoModificationAllowedError };
}
const AtomString& SVGAltGlyphElement::format() const
{
return attributeWithoutSynchronization(SVGNames::formatAttr);
}
bool SVGAltGlyphElement::childShouldCreateRenderer(const Node& child) const
{
return child.isTextNode();
}
RenderPtr<RenderElement> SVGAltGlyphElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
return createRenderer<RenderSVGTSpan>(*this, WTFMove(style));
}
bool SVGAltGlyphElement::hasValidGlyphElements(Vector<String>& glyphNames) const
{
// No need to support altGlyph referencing another node inside a shadow tree.
auto target = targetElementFromIRIString(getAttribute(SVGNames::hrefAttr, XLinkNames::hrefAttr), document());
if (is<SVGGlyphElement>(target.element)) {
glyphNames.append(target.identifier);
return true;
}
if (!is<SVGAltGlyphDefElement>(target.element))
return false;
return downcast<SVGAltGlyphDefElement>(*target.element).hasValidGlyphElements(glyphNames);
}
}