mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 14:42:44 +00:00
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/*
|
||
* Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#pragma once
|
||
|
||
#include <LibWeb/SVG/AttributeNames.h>
|
||
#include <LibWeb/SVG/SVGAnimatedString.h>
|
||
|
||
namespace Web::SVG {
|
||
|
||
enum class SupportsXLinkHref {
|
||
No,
|
||
Yes,
|
||
};
|
||
|
||
// https://svgwg.org/svg2-draft/types.html#InterfaceSVGURIReference
|
||
template<SupportsXLinkHref supports_xlink_href>
|
||
class SVGURIReferenceMixin {
|
||
public:
|
||
virtual ~SVGURIReferenceMixin() = default;
|
||
|
||
JS::NonnullGCPtr<SVGAnimatedString> href()
|
||
{
|
||
// The href IDL attribute represents the value of the ‘href’ attribute, and, on elements that are defined to support
|
||
// it, the deprecated ‘xlink:href’ attribute. On getting href, an SVGAnimatedString object is returned that:
|
||
// - reflects the ‘href’ attribute, and
|
||
// - if the element is defined to support the deprecated ‘xlink:href’ attribute, additionally reflects that
|
||
// deprecated attribute.
|
||
if (!m_href_animated_string) {
|
||
auto* this_svg_element = dynamic_cast<SVGElement*>(this);
|
||
VERIFY(this_svg_element);
|
||
m_href_animated_string = SVGAnimatedString::create(this_svg_element->realm(), *this_svg_element, AttributeNames::href, supports_xlink_href == SupportsXLinkHref::Yes ? Optional<FlyString> { AttributeNames::xlink_href } : OptionalNone {});
|
||
}
|
||
return *m_href_animated_string;
|
||
}
|
||
|
||
protected:
|
||
void visit_edges(JS::Cell::Visitor& visitor)
|
||
{
|
||
visitor.visit(m_href_animated_string);
|
||
}
|
||
|
||
private:
|
||
JS::GCPtr<SVGAnimatedString> m_href_animated_string;
|
||
};
|
||
|
||
}
|