ladybird/Userland/Libraries/LibWeb/HTML/MessageEvent.cpp
Andrew Kaster d361221657 LibJS+LibWeb: Add JS::Value constructor for `JS::Handle<T>`
Similar to the constructors for ``JS::{Nonnull}GCPtr<T>``, this helper
avoids unnecessary .ptr() clutter when we want to construct Values.
2023-12-19 09:21:55 -07:00

70 lines
2 KiB
C++

/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Array.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/HTML/MessageEvent.h>
namespace Web::HTML {
JS_DEFINE_ALLOCATOR(MessageEvent);
JS::NonnullGCPtr<MessageEvent> MessageEvent::create(JS::Realm& realm, FlyString const& event_name, MessageEventInit const& event_init)
{
return realm.heap().allocate<MessageEvent>(realm, realm, event_name, event_init);
}
WebIDL::ExceptionOr<JS::NonnullGCPtr<MessageEvent>> MessageEvent::construct_impl(JS::Realm& realm, FlyString const& event_name, MessageEventInit const& event_init)
{
return create(realm, event_name, event_init);
}
MessageEvent::MessageEvent(JS::Realm& realm, FlyString const& event_name, MessageEventInit const& event_init)
: DOM::Event(realm, event_name, event_init)
, m_data(event_init.data)
, m_origin(event_init.origin)
, m_last_event_id(event_init.last_event_id)
, m_source(event_init.source)
, m_ports(event_init.ports)
{
}
MessageEvent::~MessageEvent() = default;
void MessageEvent::initialize(JS::Realm& realm)
{
Base::initialize(realm);
set_prototype(&Bindings::ensure_web_prototype<Bindings::MessageEventPrototype>(realm, "MessageEvent"_fly_string));
}
void MessageEvent::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_data);
}
Variant<JS::Handle<WindowProxy>, JS::Handle<MessagePort>, Empty> MessageEvent::source() const
{
if (!m_source.has_value())
return Empty {};
return m_source.value().downcast<JS::Handle<WindowProxy>, JS::Handle<MessagePort>>();
}
JS::NonnullGCPtr<JS::Object> MessageEvent::ports() const
{
if (!m_ports_array) {
Vector<JS::Value> port_vector;
for (auto const& port : m_ports) {
port_vector.append(port);
}
m_ports_array = JS::Array::create_from(realm(), port_vector);
MUST(m_ports_array->set_integrity_level(IntegrityLevel::Frozen));
}
return *m_ports_array;
}
}