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LibWeb: Implement basic support for MessageChannel and MessagePort

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This patch adds a basic initial implementation of these API's.

Since LibWeb currently doesn't support workers, this implementation of
messaging doesn't bother with serializing and deserializing messages.
This commit is contained in:
Andreas Kling 2021-09-19 22:12:31 +02:00
parent c7aa32b90f
commit 95559c4277
12 changed files with 322 additions and 0 deletions
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47
Userland/Libraries/LibWeb/HTML/MessageChannel.h Normal file
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/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/DOM/EventTarget.h>
#include <LibWeb/DOM/Window.h>
#include <LibWeb/Forward.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/web-messaging.html#message-channels
class MessageChannel final
: public RefCounted<MessageChannel>
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::MessageChannelWrapper;
using RefCounted::ref;
using RefCounted::unref;
static NonnullRefPtr<MessageChannel> create_with_global_object(Bindings::WindowObject& global_object)
{
return adopt_ref(*new MessageChannel(global_object));
}
virtual ~MessageChannel() override;
MessagePort* port1() { return m_port1; }
MessagePort const* port1() const { return m_port1; }
MessagePort* port2() { return m_port2; }
MessagePort const* port2() const { return m_port2; }
private:
explicit MessageChannel(Bindings::WindowObject&);
RefPtr<MessagePort> m_port1;
RefPtr<MessagePort> m_port2;
};
}