156 lines
4.6 KiB
C++
156 lines
4.6 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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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/ShadowRootPrototype.h>
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#include <LibWeb/DOM/AdoptedStyleSheets.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/DOM/ShadowRoot.h>
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#include <LibWeb/DOMParsing/InnerHTML.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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#include <LibWeb/Layout/BlockContainer.h>
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namespace Web::DOM {
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JS_DEFINE_ALLOCATOR(ShadowRoot);
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ShadowRoot::ShadowRoot(Document& document, Element& host, Bindings::ShadowRootMode mode)
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: DocumentFragment(document)
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, m_mode(mode)
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{
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document.register_shadow_root({}, *this);
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set_host(&host);
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}
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void ShadowRoot::finalize()
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{
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Base::finalize();
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document().unregister_shadow_root({}, *this);
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}
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void ShadowRoot::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(ShadowRoot);
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}
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// https://dom.spec.whatwg.org/#dom-shadowroot-onslotchange
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void ShadowRoot::set_onslotchange(WebIDL::CallbackType* event_handler)
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{
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set_event_handler_attribute(HTML::EventNames::slotchange, event_handler);
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}
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// https://dom.spec.whatwg.org/#dom-shadowroot-onslotchange
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WebIDL::CallbackType* ShadowRoot::onslotchange()
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{
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return event_handler_attribute(HTML::EventNames::slotchange);
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}
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// https://dom.spec.whatwg.org/#ref-for-get-the-parent%E2%91%A6
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EventTarget* ShadowRoot::get_parent(Event const& event)
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{
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if (!event.composed()) {
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auto& events_first_invocation_target = verify_cast<Node>(*event.path().first().invocation_target);
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if (&events_first_invocation_target.root() == this)
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return nullptr;
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}
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return host();
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}
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// https://w3c.github.io/DOM-Parsing/#dom-innerhtml-innerhtml
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WebIDL::ExceptionOr<String> ShadowRoot::inner_html() const
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{
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return serialize_fragment(DOMParsing::RequireWellFormed::Yes);
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}
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// https://w3c.github.io/DOM-Parsing/#dom-innerhtml-innerhtml
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WebIDL::ExceptionOr<void> ShadowRoot::set_inner_html(StringView markup)
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{
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TRY(DOMParsing::inner_html_setter(*this, markup));
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set_needs_style_update(true);
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return {};
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}
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// https://html.spec.whatwg.org/#dom-element-gethtml
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WebIDL::ExceptionOr<String> ShadowRoot::get_html(GetHTMLOptions const& options) const
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{
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// ShadowRoot's getHTML(options) method steps are to return the result
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// of HTML fragment serialization algorithm with this,
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// options["serializableShadowRoots"], and options["shadowRoots"].
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return HTML::HTMLParser::serialize_html_fragment(
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*this,
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options.serializable_shadow_roots ? HTML::HTMLParser::SerializableShadowRoots::Yes : HTML::HTMLParser::SerializableShadowRoots::No,
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options.shadow_roots);
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}
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CSS::StyleSheetList& ShadowRoot::style_sheets()
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{
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if (!m_style_sheets)
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m_style_sheets = CSS::StyleSheetList::create(document());
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return *m_style_sheets;
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}
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CSS::StyleSheetList const& ShadowRoot::style_sheets() const
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{
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return const_cast<ShadowRoot*>(this)->style_sheets();
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}
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void ShadowRoot::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_style_sheets);
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visitor.visit(m_adopted_style_sheets);
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}
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JS::NonnullGCPtr<WebIDL::ObservableArray> ShadowRoot::adopted_style_sheets() const
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{
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if (!m_adopted_style_sheets)
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m_adopted_style_sheets = create_adopted_style_sheets_list(const_cast<Document&>(document()));
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return *m_adopted_style_sheets;
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}
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WebIDL::ExceptionOr<void> ShadowRoot::set_adopted_style_sheets(JS::Value new_value)
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{
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if (!m_adopted_style_sheets)
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m_adopted_style_sheets = create_adopted_style_sheets_list(const_cast<Document&>(document()));
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m_adopted_style_sheets->clear();
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auto iterator_record = TRY(get_iterator(vm(), new_value, JS::IteratorHint::Sync));
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while (true) {
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auto next = TRY(iterator_step_value(vm(), iterator_record));
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if (!next.has_value())
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break;
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TRY(m_adopted_style_sheets->append(*next));
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}
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return {};
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}
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void ShadowRoot::for_each_css_style_sheet(Function<void(CSS::CSSStyleSheet&)>&& callback) const
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{
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for (auto& style_sheet : style_sheets().sheets())
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callback(*style_sheet);
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if (m_adopted_style_sheets) {
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m_adopted_style_sheets->for_each<CSS::CSSStyleSheet>([&](auto& style_sheet) {
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callback(style_sheet);
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});
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}
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}
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Vector<JS::NonnullGCPtr<Animations::Animation>> ShadowRoot::get_animations()
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{
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Vector<JS::NonnullGCPtr<Animations::Animation>> relevant_animations;
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for_each_child_of_type<Element>([&](auto& child) {
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relevant_animations.extend(child.get_animations({ .subtree = true }));
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return IterationDecision::Continue;
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});
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return relevant_animations;
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}
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}
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