ladybird/Userland/Libraries/LibWeb/DOM/ShadowRoot.cpp
Aliaksandr Kalenik 8ce8697a66 LibWeb: Add styleSheets and adoptedStyleSheets attributes in ShadowRoot
Co-authored-by: Simon Wanner <simon+git@skyrising.xyz>
2024-03-09 16:13:32 +01:00

101 lines
2.8 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/DOM/AdoptedStyleSheets.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/ShadowRoot.h>
#include <LibWeb/DOMParsing/InnerHTML.h>
#include <LibWeb/Layout/BlockContainer.h>
namespace Web::DOM {
JS_DEFINE_ALLOCATOR(ShadowRoot);
ShadowRoot::ShadowRoot(Document& document, Element& host, Bindings::ShadowRootMode mode)
: DocumentFragment(document)
, m_mode(mode)
{
set_host(&host);
}
void ShadowRoot::initialize(JS::Realm& realm)
{
Base::initialize(realm);
set_prototype(&Bindings::ensure_web_prototype<Bindings::ShadowRootPrototype>(realm, "ShadowRoot"_fly_string));
}
// https://dom.spec.whatwg.org/#ref-for-get-the-parent%E2%91%A6
EventTarget* ShadowRoot::get_parent(Event const& event)
{
if (!event.composed()) {
auto& events_first_invocation_target = verify_cast<Node>(*event.path().first().invocation_target);
if (&events_first_invocation_target.root() == this)
return nullptr;
}
return host();
}
// https://w3c.github.io/DOM-Parsing/#dom-innerhtml-innerhtml
WebIDL::ExceptionOr<String> ShadowRoot::inner_html() const
{
return serialize_fragment(DOMParsing::RequireWellFormed::Yes);
}
// https://w3c.github.io/DOM-Parsing/#dom-innerhtml-innerhtml
WebIDL::ExceptionOr<void> ShadowRoot::set_inner_html(StringView markup)
{
TRY(DOMParsing::inner_html_setter(*this, markup));
set_needs_style_update(true);
return {};
}
CSS::StyleSheetList& ShadowRoot::style_sheets()
{
if (!m_style_sheets)
m_style_sheets = CSS::StyleSheetList::create(document());
return *m_style_sheets;
}
CSS::StyleSheetList const& ShadowRoot::style_sheets() const
{
return const_cast<ShadowRoot*>(this)->style_sheets();
}
void ShadowRoot::visit_edges(Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_style_sheets);
visitor.visit(m_adopted_style_sheets);
}
JS::NonnullGCPtr<WebIDL::ObservableArray> ShadowRoot::adopted_style_sheets() const
{
if (!m_adopted_style_sheets)
m_adopted_style_sheets = create_adopted_style_sheets_list(const_cast<Document&>(document()));
return *m_adopted_style_sheets;
}
WebIDL::ExceptionOr<void> ShadowRoot::set_adopted_style_sheets(JS::Value new_value)
{
if (!m_adopted_style_sheets)
m_adopted_style_sheets = create_adopted_style_sheets_list(const_cast<Document&>(document()));
m_adopted_style_sheets->clear();
auto iterator_record = TRY(get_iterator(vm(), new_value, JS::IteratorHint::Sync));
while (true) {
auto next = TRY(iterator_step_value(vm(), iterator_record));
if (!next.has_value())
break;
TRY(m_adopted_style_sheets->append(*next));
}
return {};
}
}