Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/HTML/MessageChannel.cpp

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2021-2022, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/Bindings/MessageChannelPrototype.h>
+#include <LibWeb/DOM/Document.h>
+#include <LibWeb/HTML/MessageChannel.h>
+#include <LibWeb/HTML/MessagePort.h>
+
+namespace Web::HTML {
+
+JS_DEFINE_ALLOCATOR(MessageChannel);
+
+WebIDL::ExceptionOr<JS::NonnullGCPtr<MessageChannel>> MessageChannel::construct_impl(JS::Realm& realm)
+{
+    return 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);
+
+    // 2. Set this's port 2 to a new MessagePort in this's relevant Realm.
+    m_port2 = MessagePort::create(realm);
+
+    // 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);
+    visitor.visit(m_port2);
+}
+
+void MessageChannel::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(MessageChannel);
+}
+
+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;
+}
+
+}