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/*
* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
* 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.
*/
#pragma once
#include "CommonAtomStrings.h"
#include "SVGNames.h"
#include "SVGTextContentElement.h"
#include "SVGURIReference.h"
namespace WebCore {
enum SVGTextPathMethodType {
SVGTextPathMethodUnknown = 0,
SVGTextPathMethodAlign,
SVGTextPathMethodStretch
};
enum SVGTextPathSpacingType {
SVGTextPathSpacingUnknown = 0,
SVGTextPathSpacingAuto,
SVGTextPathSpacingExact
};
template<>
struct SVGPropertyTraits<SVGTextPathMethodType> {
static unsigned highestEnumValue() { return SVGTextPathMethodStretch; }
static String toString(SVGTextPathMethodType type)
{
switch (type) {
case SVGTextPathMethodUnknown:
return emptyString();
case SVGTextPathMethodAlign:
return "align"_s;
case SVGTextPathMethodStretch:
return "stretch"_s;
}
ASSERT_NOT_REACHED();
return emptyString();
}
static SVGTextPathMethodType fromString(const String& value)
{
if (value == "align"_s)
return SVGTextPathMethodAlign;
if (value == "stretch"_s)
return SVGTextPathMethodStretch;
return SVGTextPathMethodUnknown;
}
};
template<>
struct SVGPropertyTraits<SVGTextPathSpacingType> {
static unsigned highestEnumValue() { return SVGTextPathSpacingExact; }
static String toString(SVGTextPathSpacingType type)
{
switch (type) {
case SVGTextPathSpacingUnknown:
return emptyString();
case SVGTextPathSpacingAuto:
return autoAtom();
case SVGTextPathSpacingExact:
return "exact"_s;
}
ASSERT_NOT_REACHED();
return emptyString();
}
static SVGTextPathSpacingType fromString(const String& value)
{
if (value == autoAtom())
return SVGTextPathSpacingAuto;
if (value == "exact"_s)
return SVGTextPathSpacingExact;
return SVGTextPathSpacingUnknown;
}
};
class SVGTextPathElement final : public SVGTextContentElement, public SVGURIReference {
WTF_MAKE_ISO_ALLOCATED(SVGTextPathElement);
public:
// Forward declare enumerations in the W3C naming scheme, for IDL generation.
enum {
TEXTPATH_METHODTYPE_UNKNOWN = SVGTextPathMethodUnknown,
TEXTPATH_METHODTYPE_ALIGN = SVGTextPathMethodAlign,
TEXTPATH_METHODTYPE_STRETCH = SVGTextPathMethodStretch,
TEXTPATH_SPACINGTYPE_UNKNOWN = SVGTextPathSpacingUnknown,
TEXTPATH_SPACINGTYPE_AUTO = SVGTextPathSpacingAuto,
TEXTPATH_SPACINGTYPE_EXACT = SVGTextPathSpacingExact
};
static Ref<SVGTextPathElement> create(const QualifiedName&, Document&);
const SVGLengthValue& startOffset() const { return m_startOffset->currentValue(); }
SVGTextPathMethodType method() const { return m_method->currentValue<SVGTextPathMethodType>(); }
SVGTextPathSpacingType spacing() const { return m_spacing->currentValue<SVGTextPathSpacingType>(); }
SVGAnimatedLength& startOffsetAnimated() { return m_startOffset; }
SVGAnimatedEnumeration& methodAnimated() { return m_method; }
SVGAnimatedEnumeration& spacingAnimated() { return m_spacing; }
private:
SVGTextPathElement(const QualifiedName&, Document&);
virtual ~SVGTextPathElement();
void didFinishInsertingNode() override;
using PropertyRegistry = SVGPropertyOwnerRegistry<SVGTextPathElement, SVGTextContentElement, SVGURIReference>;
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) override;
void svgAttributeChanged(const QualifiedName&) override;
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
bool childShouldCreateRenderer(const Node&) const override;
bool rendererIsNeeded(const RenderStyle&) override;
void clearResourceReferences();
void buildPendingResource() override;
InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) override;
void removedFromAncestor(RemovalType, ContainerNode&) override;
bool selfHasRelativeLengths() const override;
Ref<SVGAnimatedLength> m_startOffset { SVGAnimatedLength::create(this, SVGLengthMode::Other) };
Ref<SVGAnimatedEnumeration> m_method { SVGAnimatedEnumeration::create(this, SVGTextPathMethodAlign) };
Ref<SVGAnimatedEnumeration> m_spacing { SVGAnimatedEnumeration::create(this, SVGTextPathSpacingExact) };
};
} // namespace WebCore
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