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Bring back 2d625f5c23
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/*
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* Copyright (c) 2021, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
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* Copyright (c) 2025, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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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 <LibCore/Socket.h>
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#include <LibIPC/File.h>
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#include <LibIPC/Transport.h>
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#include <LibWeb/Bindings/Transferable.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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// 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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, public Bindings::Transferable {
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WEB_PLATFORM_OBJECT(MessagePort, DOM::EventTarget);
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GC_DECLARE_ALLOCATOR(MessagePort);
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public:
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[[nodiscard]] static GC::Ref<MessagePort> create(JS::Realm&);
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static void for_each_message_port(Function<void(MessagePort&)>);
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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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void disentangle();
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GC::Ptr<MessagePort> entangled_port() { return m_remote_port; }
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GC::Ptr<MessagePort const> entangled_port() const { return m_remote_port; }
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// https://html.spec.whatwg.org/multipage/web-messaging.html#dom-messageport-postmessage
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WebIDL::ExceptionOr<void> post_message(JS::Value message, Vector<GC::Root<JS::Object>> const& transfer);
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// https://html.spec.whatwg.org/multipage/web-messaging.html#dom-messageport-postmessage-options
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WebIDL::ExceptionOr<void> post_message(JS::Value message, StructuredSerializeOptions const& options);
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void start();
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void close();
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void set_onmessageerror(GC::Ptr<WebIDL::CallbackType>);
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GC::Ptr<WebIDL::CallbackType> onmessageerror();
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void set_onmessage(GC::Ptr<WebIDL::CallbackType>);
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GC::Ptr<WebIDL::CallbackType> onmessage();
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// ^Transferable
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virtual WebIDL::ExceptionOr<void> transfer_steps(HTML::TransferDataHolder&) override;
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virtual WebIDL::ExceptionOr<void> transfer_receiving_steps(HTML::TransferDataHolder&) override;
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virtual HTML::TransferType primary_interface() const override { return HTML::TransferType::MessagePort; }
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void set_worker_event_target(GC::Ref<DOM::EventTarget>);
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WebIDL::ExceptionOr<void> message_port_post_message_steps(GC::Ptr<MessagePort> target_port, JS::Value message, StructuredSerializeOptions const& options);
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private:
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explicit MessagePort(JS::Realm&);
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virtual void initialize(JS::Realm&) override;
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virtual void finalize() override;
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virtual void visit_edges(Cell::Visitor&) override;
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bool is_entangled() const;
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void post_message_task_steps(SerializedTransferRecord&);
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void post_port_message(SerializedTransferRecord);
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ErrorOr<void> send_message_on_transport(SerializedTransferRecord const&);
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void read_from_transport();
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// The HTML spec implies(!) that this is MessagePort.[[RemotePort]]
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GC::Ptr<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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OwnPtr<IPC::Transport> m_transport;
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GC::Ptr<DOM::EventTarget> m_worker_event_target;
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};
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}
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