mirror of
https://github.com/RGBCube/serenity
synced 2025-05-22 15:25:07 +00:00
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
/*
|
||
* Copyright (c) 2023, Preston Taylor <95388976+PrestonLTaylor@users.noreply.github.com>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#include <LibWeb/Bindings/Intrinsics.h>
|
||
#include <LibWeb/CSS/StyleProperties.h>
|
||
#include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
|
||
#include <LibWeb/CSS/StyleValues/IdentifierStyleValue.h>
|
||
#include <LibWeb/CSS/StyleValues/ShorthandStyleValue.h>
|
||
#include <LibWeb/DOM/ShadowRoot.h>
|
||
#include <LibWeb/Layout/SVGGraphicsBox.h>
|
||
#include <LibWeb/SVG/AttributeNames.h>
|
||
#include <LibWeb/SVG/SVGSymbolElement.h>
|
||
#include <LibWeb/SVG/SVGUseElement.h>
|
||
|
||
namespace Web::SVG {
|
||
|
||
JS_DEFINE_ALLOCATOR(SVGSymbolElement);
|
||
|
||
SVGSymbolElement::SVGSymbolElement(DOM::Document& document, DOM::QualifiedName qualified_name)
|
||
: SVGGraphicsElement(document, qualified_name)
|
||
{
|
||
}
|
||
|
||
void SVGSymbolElement::initialize(JS::Realm& realm)
|
||
{
|
||
Base::initialize(realm);
|
||
set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGSymbolElementPrototype>(realm, "SVGSymbolElement"_fly_string));
|
||
}
|
||
|
||
// https://svgwg.org/svg2-draft/struct.html#SymbolNotes
|
||
void SVGSymbolElement::apply_presentational_hints(CSS::StyleProperties& style) const
|
||
{
|
||
Base::apply_presentational_hints(style);
|
||
|
||
if (is_direct_child_of_use_shadow_tree()) {
|
||
// The generated instance of a ‘symbol’ that is the direct referenced element of a ‘use’ element must always have a computed value of inline for the display property.
|
||
style.set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::Inline)));
|
||
}
|
||
}
|
||
|
||
void SVGSymbolElement::attribute_changed(FlyString const& name, Optional<String> const& value)
|
||
{
|
||
Base::attribute_changed(name, value);
|
||
if (name.equals_ignoring_ascii_case(SVG::AttributeNames::viewBox))
|
||
m_view_box = try_parse_view_box(value.value_or(String {}));
|
||
}
|
||
|
||
bool SVGSymbolElement::is_direct_child_of_use_shadow_tree() const
|
||
{
|
||
auto maybe_shadow_root = parent();
|
||
if (!is<DOM::ShadowRoot>(maybe_shadow_root)) {
|
||
return false;
|
||
}
|
||
|
||
auto host = static_cast<const DOM::ShadowRoot&>(*maybe_shadow_root).host();
|
||
return is<SVGUseElement>(host);
|
||
}
|
||
|
||
JS::GCPtr<Layout::Node> SVGSymbolElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
|
||
{
|
||
return heap().allocate_without_realm<Layout::SVGGraphicsBox>(document(), *this, move(style));
|
||
}
|
||
|
||
}
|