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Shared workers are essentially just workers that may be accessed from scripts within the same origin. There are plenty of FIXMEs here (mostly building on existing worker FIXMEs that are already in place), but this lets us run the shared worker variants of WPT tests.
75 lines
2.5 KiB
C++
75 lines
2.5 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 <LibWeb/Forward.h>
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#include <LibWeb/HTML/AbstractWorker.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/HTML/WorkerAgentParent.h>
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#include <LibWeb/WebIDL/ExceptionOr.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
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: public DOM::EventTarget
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, public HTML::AbstractWorker {
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WEB_PLATFORM_OBJECT(Worker, DOM::EventTarget);
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GC_DECLARE_ALLOCATOR(Worker);
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public:
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static WebIDL::ExceptionOr<GC::Ref<Worker>> create(String const& script_url, WorkerOptions const& options, DOM::Document& document);
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static WebIDL::ExceptionOr<GC::Ref<Worker>> construct_impl(JS::Realm& realm, String const& script_url, WorkerOptions const& options)
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{
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auto& window = as<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, StructuredSerializeOptions const&);
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WebIDL::ExceptionOr<void> post_message(JS::Value message, Vector<GC::Root<JS::Object>> const& transfer);
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virtual ~Worker() = default;
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GC::Ptr<MessagePort> outside_message_port() { return m_outside_port; }
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void set_agent(WorkerAgentParent& agent) { m_agent = agent; }
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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&, WorkerOptions const&, DOM::Document&);
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// ^AbstractWorker
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virtual DOM::EventTarget& this_event_target() override { return *this; }
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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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GC::Ptr<DOM::Document> m_document;
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GC::Ptr<MessagePort> m_outside_port;
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GC::Ptr<WorkerAgentParent> m_agent;
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};
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void run_a_worker(Variant<GC::Ref<Worker>, GC::Ref<SharedWorker>> worker, URL::URL& url, EnvironmentSettingsObject& outside_settings, GC::Ptr<MessagePort> outside_port, WorkerOptions const& options);
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}
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