ladybird/Userland/Libraries/LibWeb/SVG/SVGElement.cpp
2023-11-28 17:15:27 -05:00

111 lines
3.0 KiB
C++

/*
* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
* Copyright (c) 2023, Preston Taylor <95388976+PrestonLTaylor@users.noreply.github.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/ShadowRoot.h>
#include <LibWeb/HTML/DOMStringMap.h>
#include <LibWeb/SVG/SVGElement.h>
#include <LibWeb/SVG/SVGUseElement.h>
namespace Web::SVG {
SVGElement::SVGElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: Element(document, move(qualified_name))
{
}
void SVGElement::initialize(JS::Realm& realm)
{
Base::initialize(realm);
set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGElementPrototype>(realm, "SVGElement"_fly_string));
m_dataset = HTML::DOMStringMap::create(*this);
}
void SVGElement::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_dataset);
}
void SVGElement::attribute_changed(FlyString const& name, Optional<String> const& value)
{
Base::attribute_changed(name, value);
update_use_elements_that_reference_this();
}
void SVGElement::inserted()
{
Base::inserted();
update_use_elements_that_reference_this();
}
void SVGElement::children_changed()
{
Base::children_changed();
update_use_elements_that_reference_this();
}
void SVGElement::update_use_elements_that_reference_this()
{
if (is<SVGUseElement>(this)
// If this element is in a shadow root, it already represents a clone and is not itself referenced.
|| is<DOM::ShadowRoot>(this->root())
// If this does not have an id it cannot be referenced, no point in searching the entire DOM tree.
|| !id().has_value()
// An unconnected node cannot have valid references.
// This also prevents searches for elements that are in the process of being constructed - as clones.
|| !this->is_connected()
// Each use element already listens for the completely_loaded event and then clones its referece,
// we do not have to also clone it in the process of initial DOM building.
|| !document().is_completely_loaded()) {
return;
}
document().for_each_in_subtree_of_type<SVGUseElement>([this](SVGUseElement& use_element) {
use_element.svg_element_changed(*this);
return IterationDecision::Continue;
});
}
void SVGElement::removed_from(Node* parent)
{
Base::removed_from(parent);
remove_from_use_element_that_reference_this();
}
void SVGElement::remove_from_use_element_that_reference_this()
{
if (is<SVGUseElement>(this) || !id().has_value()) {
return;
}
document().for_each_in_subtree_of_type<SVGUseElement>([this](SVGUseElement& use_element) {
use_element.svg_element_removed(*this);
return IterationDecision::Continue;
});
}
void SVGElement::focus()
{
dbgln("(STUBBED) SVGElement::focus()");
}
void SVGElement::blur()
{
dbgln("(STUBBED) SVGElement::blur()");
}
}