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