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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 "ContainerNodeInlines.h"
#include "LegacyRenderSVGResource.h"
#include "NodeName.h"
#include "RenderElementInlines.h"
#include "RenderSVGInline.h"
#include "RenderSVGText.h"
#include "SVGAltGlyphElement.h"
#include "SVGElementTypeHelpers.h"
#include "SVGNames.h"
#include "SVGTRefElement.h"
#include "SVGTSpanElement.h"
#include "SVGTextElement.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(SVGTextPositioningElement);
SVGTextPositioningElement::SVGTextPositioningElement(const QualifiedName& tagName, Document& document, UniqueRef<SVGPropertyRegistry>&& propertyRegistry)
: SVGTextContentElement(tagName, document, WTFMove(propertyRegistry))
{
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::attributeChanged(const QualifiedName& name, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason attributeModificationReason)
{
switch (name.nodeName()) {
case AttributeNames::xAttr:
Ref { m_x }->baseVal()->parse(newValue);
break;
case AttributeNames::yAttr:
Ref { m_y }->baseVal()->parse(newValue);
break;
case AttributeNames::dxAttr:
Ref { m_dx }->baseVal()->parse(newValue);
break;
case AttributeNames::dyAttr:
Ref { m_dy }->baseVal()->parse(newValue);
break;
case AttributeNames::rotateAttr:
Ref { m_rotate }->baseVal()->parse(newValue);
break;
default:
break;
}
SVGTextContentElement::attributeChanged(name, oldValue, newValue, attributeModificationReason);
}
void SVGTextPositioningElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& style)
{
if (name == SVGNames::xAttr || name == SVGNames::yAttr)
return;
SVGTextContentElement::collectPresentationalHintsForAttribute(name, value, style);
}
bool SVGTextPositioningElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const
{
if (name == SVGNames::xAttr || name == SVGNames::yAttr)
return false;
return SVGTextContentElement::hasPresentationalHintsForAttribute(name);
}
void SVGTextPositioningElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (PropertyRegistry::isKnownAttribute(attrName)) {
InstanceInvalidationGuard guard(*this);
if (attrName != SVGNames::rotateAttr)
updateRelativeLengthsInformation();
if (CheckedPtr renderer = this->renderer()) {
if (CheckedPtr textAncestor = RenderSVGText::locateRenderSVGTextAncestor(*renderer))
textAncestor->setNeedsPositioningValuesUpdate();
}
updateSVGRendererForElementChange();
invalidateResourceImageBuffersIfNeeded();
return;
}
SVGTextContentElement::svgAttributeChanged(attrName);
}
RefPtr<SVGTextPositioningElement> SVGTextPositioningElement::elementFromRenderer(RenderBoxModelObject& renderer)
{
if (!is<RenderSVGText>(renderer) && !is<RenderSVGInline>(renderer))
return nullptr;
ASSERT(renderer.element());
RefPtr element = downcast<SVGElement>(renderer.element());
return dynamicDowncast<SVGTextPositioningElement>(WTFMove(element));
}
}
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