mirror of
				https://github.com/LadybirdBrowser/ladybird.git
				synced 2025-11-03 23:00:58 +00:00 
			
		
		
		
	This aligns Workers and Window and MessagePorts to all use the same mechanism for transferring serialized messages across realms. It also allows transferring more message ports into a worker. Re-enable the Worker-echo test, as none of the MessagePort tests have themselves been flaky, and those are now using the same underlying implementation.
		
			
				
	
	
		
			75 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
 | 
						|
 * Copyright (c) 2022, Ben Abraham <ben.d.abraham@gmail.com>
 | 
						|
 *
 | 
						|
 * SPDX-License-Identifier: BSD-2-Clause
 | 
						|
 */
 | 
						|
 | 
						|
#pragma once
 | 
						|
 | 
						|
#include <AK/RefCounted.h>
 | 
						|
#include <AK/URLParser.h>
 | 
						|
#include <LibWeb/Bindings/MainThreadVM.h>
 | 
						|
#include <LibWeb/Forward.h>
 | 
						|
#include <LibWeb/HTML/MessageEvent.h>
 | 
						|
#include <LibWeb/HTML/MessagePort.h>
 | 
						|
#include <LibWeb/HTML/Scripting/ClassicScript.h>
 | 
						|
#include <LibWeb/HTML/Scripting/WindowEnvironmentSettingsObject.h>
 | 
						|
#include <LibWeb/HTML/Scripting/WorkerEnvironmentSettingsObject.h>
 | 
						|
#include <LibWeb/HTML/Window.h>
 | 
						|
#include <LibWeb/HTML/WorkerAgent.h>
 | 
						|
#include <LibWeb/HTML/WorkerDebugConsoleClient.h>
 | 
						|
#include <LibWeb/Loader/ResourceLoader.h>
 | 
						|
 | 
						|
#define ENUMERATE_WORKER_EVENT_HANDLERS(E)  \
 | 
						|
    E(onmessage, HTML::EventNames::message) \
 | 
						|
    E(onmessageerror, HTML::EventNames::messageerror)
 | 
						|
 | 
						|
namespace Web::HTML {
 | 
						|
 | 
						|
// https://html.spec.whatwg.org/multipage/workers.html#dedicated-workers-and-the-worker-interface
 | 
						|
class Worker : public DOM::EventTarget {
 | 
						|
    WEB_PLATFORM_OBJECT(Worker, DOM::EventTarget);
 | 
						|
    JS_DECLARE_ALLOCATOR(Worker);
 | 
						|
 | 
						|
public:
 | 
						|
    static WebIDL::ExceptionOr<JS::NonnullGCPtr<Worker>> create(String const& script_url, WorkerOptions const& options, DOM::Document& document);
 | 
						|
    static WebIDL::ExceptionOr<JS::NonnullGCPtr<Worker>> construct_impl(JS::Realm& realm, String const& script_url, WorkerOptions const& options)
 | 
						|
    {
 | 
						|
        auto& window = verify_cast<HTML::Window>(realm.global_object());
 | 
						|
        return Worker::create(script_url, options, window.associated_document());
 | 
						|
    }
 | 
						|
 | 
						|
    WebIDL::ExceptionOr<void> terminate();
 | 
						|
 | 
						|
    WebIDL::ExceptionOr<void> post_message(JS::Value message, StructuredSerializeOptions const&);
 | 
						|
 | 
						|
    virtual ~Worker() = default;
 | 
						|
 | 
						|
    JS::GCPtr<MessagePort> outside_message_port() { return m_outside_port; }
 | 
						|
 | 
						|
#undef __ENUMERATE
 | 
						|
#define __ENUMERATE(attribute_name, event_name)       \
 | 
						|
    void set_##attribute_name(WebIDL::CallbackType*); \
 | 
						|
    WebIDL::CallbackType* attribute_name();
 | 
						|
    ENUMERATE_WORKER_EVENT_HANDLERS(__ENUMERATE)
 | 
						|
#undef __ENUMERATE
 | 
						|
 | 
						|
protected:
 | 
						|
    Worker(String const&, WorkerOptions const&, DOM::Document&);
 | 
						|
 | 
						|
private:
 | 
						|
    virtual void initialize(JS::Realm&) override;
 | 
						|
    virtual void visit_edges(Cell::Visitor&) override;
 | 
						|
 | 
						|
    String m_script_url;
 | 
						|
    WorkerOptions m_options;
 | 
						|
 | 
						|
    JS::GCPtr<DOM::Document> m_document;
 | 
						|
    JS::GCPtr<MessagePort> m_outside_port;
 | 
						|
 | 
						|
    JS::GCPtr<WorkerAgent> m_agent;
 | 
						|
 | 
						|
    void run_a_worker(AK::URL& url, EnvironmentSettingsObject& outside_settings, JS::GCPtr<MessagePort> outside_port, WorkerOptions const& options);
 | 
						|
};
 | 
						|
 | 
						|
}
 |