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66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/*
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/RefCounted.h>
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#include <AK/Weakable.h>
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#include <LibWeb/DOM/EventTarget.h>
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#include <LibWeb/Forward.h>
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namespace Web::HTML {
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#define ENUMERATE_MESSAGE_PORT_EVENT_HANDLERS(E) \
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E(onmessage, HTML::EventNames::message) \
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E(onmessageerror, HTML::EventNames::messageerror)
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// https://html.spec.whatwg.org/multipage/web-messaging.html#message-ports
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class MessagePort final : public DOM::EventTarget {
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WEB_PLATFORM_OBJECT(MessagePort, DOM::EventTarget);
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public:
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static JS::NonnullGCPtr<MessagePort> create(HTML::Window&);
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virtual ~MessagePort() override;
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// https://html.spec.whatwg.org/multipage/web-messaging.html#entangle
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void entangle_with(MessagePort&);
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// https://html.spec.whatwg.org/multipage/web-messaging.html#dom-messageport-postmessage
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void post_message(JS::Value);
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void start();
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void close();
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#undef __ENUMERATE
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#define __ENUMERATE(attribute_name, event_name) \
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void set_##attribute_name(Bindings::CallbackType*); \
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Bindings::CallbackType* attribute_name();
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ENUMERATE_MESSAGE_PORT_EVENT_HANDLERS(__ENUMERATE)
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#undef __ENUMERATE
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private:
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explicit MessagePort(HTML::Window&);
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virtual void visit_edges(Cell::Visitor&) override;
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bool is_entangled() const { return m_remote_port; }
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void disentangle();
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// The HTML spec implies(!) that this is MessagePort.[[RemotePort]]
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JS::GCPtr<MessagePort> m_remote_port;
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// https://html.spec.whatwg.org/multipage/web-messaging.html#has-been-shipped
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bool m_has_been_shipped { false };
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// This is TransferableObject.[[Detached]]
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bool m_detached { false };
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};
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}
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WRAPPER_HACK(MessagePort, Web::HTML)
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