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https://github.com/LadybirdBrowser/ladybird.git
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1602663b9e
This implementation completely ignores MessagePorts, and manually plumbs data through LocalSockets.
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/*
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* Copyright (c) 2022, Ben Abraham <ben.d.abraham@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/URLParser.h>
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#include <LibWeb/Bindings/MainThreadVM.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/MessageEvent.h>
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#include <LibWeb/HTML/MessagePort.h>
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#include <LibWeb/HTML/Scripting/ClassicScript.h>
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#include <LibWeb/HTML/Scripting/WindowEnvironmentSettingsObject.h>
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#include <LibWeb/HTML/Scripting/WorkerEnvironmentSettingsObject.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/HTML/WorkerAgent.h>
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#include <LibWeb/HTML/WorkerDebugConsoleClient.h>
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#include <LibWeb/Loader/ResourceLoader.h>
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#define ENUMERATE_WORKER_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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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/workers.html#dedicated-workers-and-the-worker-interface
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class Worker : public DOM::EventTarget {
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WEB_PLATFORM_OBJECT(Worker, DOM::EventTarget);
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JS_DECLARE_ALLOCATOR(Worker);
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public:
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<Worker>> create(String const& script_url, WorkerOptions const options, DOM::Document& document);
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<Worker>> construct_impl(JS::Realm& realm, String const& script_url, WorkerOptions const options)
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{
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auto& window = verify_cast<HTML::Window>(realm.global_object());
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return Worker::create(script_url, options, window.associated_document());
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}
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WebIDL::ExceptionOr<void> terminate();
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WebIDL::ExceptionOr<void> post_message(JS::Value message, JS::Value transfer);
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virtual ~Worker() = default;
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JS::GCPtr<MessagePort> outside_message_port() { return m_outside_port; }
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#undef __ENUMERATE
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#define __ENUMERATE(attribute_name, event_name) \
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void set_##attribute_name(WebIDL::CallbackType*); \
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WebIDL::CallbackType* attribute_name();
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ENUMERATE_WORKER_EVENT_HANDLERS(__ENUMERATE)
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#undef __ENUMERATE
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protected:
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Worker(String const&, const WorkerOptions, DOM::Document&);
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private:
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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String m_script_url;
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WorkerOptions m_options;
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JS::GCPtr<DOM::Document> m_document;
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JS::GCPtr<MessagePort> m_outside_port;
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// FIXME: Move tihs state into the message port (and actually use it :) )
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enum class PortState : u8 {
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Header,
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Data,
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Error,
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} m_outside_port_state { PortState::Header };
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size_t m_outside_port_incoming_message_size { 0 };
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JS::GCPtr<WorkerAgent> m_agent;
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void run_a_worker(AK::URL& url, EnvironmentSettingsObject& outside_settings, MessagePort& outside_port, WorkerOptions const& options);
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};
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}
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