ladybird/Userland/Libraries/LibWeb/HTML/MessageChannel.cpp

70 lines
1.7 KiB
C++

/*
* Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/MessageChannel.h>
#include <LibWeb/HTML/MessagePort.h>
namespace Web::HTML {
WebIDL::ExceptionOr<JS::NonnullGCPtr<MessageChannel>> MessageChannel::construct_impl(JS::Realm& realm)
{
return MUST_OR_THROW_OOM(realm.heap().allocate<MessageChannel>(realm, realm));
}
MessageChannel::MessageChannel(JS::Realm& realm)
: PlatformObject(realm)
{
// 1. Set this's port 1 to a new MessagePort in this's relevant Realm.
m_port1 = MessagePort::create(realm).release_value_but_fixme_should_propagate_errors();
// 2. Set this's port 2 to a new MessagePort in this's relevant Realm.
m_port2 = MessagePort::create(realm).release_value_but_fixme_should_propagate_errors();
// 3. Entangle this's port 1 and this's port 2.
m_port1->entangle_with(*m_port2);
}
MessageChannel::~MessageChannel() = default;
void MessageChannel::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_port1.ptr());
visitor.visit(m_port2.ptr());
}
JS::ThrowCompletionOr<void> MessageChannel::initialize(JS::Realm& realm)
{
MUST_OR_THROW_OOM(Base::initialize(realm));
set_prototype(&Bindings::ensure_web_prototype<Bindings::MessageChannelPrototype>(realm, "MessageChannel"));
return {};
}
MessagePort* MessageChannel::port1()
{
return m_port1;
}
MessagePort* MessageChannel::port2()
{
return m_port2;
}
MessagePort const* MessageChannel::port1() const
{
return m_port1;
}
MessagePort const* MessageChannel::port2() const
{
return m_port2;
}
}