ladybird/Userland/Libraries/LibWeb/HTML/Worker.h
Andrew Kaster 14e1513077 LibWeb: Remove the workaround "Worker Window" from Workers
We can now properly add the prototypes and constructors to the global
object of the Worker's inner realm, so we don't need this window for
anything anymore.
2022-10-09 10:14:57 +02:00

96 lines
3.2 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 <LibJS/Interpreter.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/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 {
struct WorkerOptions {
String type { "classic" };
String credentials { "same-origin" };
String name { "" };
};
// 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);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Worker>> create(FlyString const& script_url, WorkerOptions const options, DOM::Document& document);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Worker>> construct_impl(JS::Realm& realm, FlyString 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();
void post_message(JS::Value message, JS::Value transfer);
virtual ~Worker() = default;
MessagePort* implicit_message_port() { return m_implicit_port.ptr(); }
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(FlyString const&, const WorkerOptions, DOM::Document&);
private:
static HTML::EventLoop& get_vm_event_loop(JS::VM& target_vm)
{
return static_cast<Bindings::WebEngineCustomData*>(target_vm.custom_data())->event_loop;
}
virtual void visit_edges(Cell::Visitor&) override;
FlyString m_script_url;
WorkerOptions m_options;
JS::GCPtr<DOM::Document> m_document;
Bindings::WebEngineCustomData m_custom_data;
NonnullRefPtr<JS::VM> m_worker_vm;
NonnullOwnPtr<JS::Interpreter> m_interpreter;
JS::GCPtr<WorkerEnvironmentSettingsObject> m_inner_settings;
JS::VM::InterpreterExecutionScope m_interpreter_scope;
RefPtr<WorkerDebugConsoleClient> m_console;
JS::NonnullGCPtr<MessagePort> m_implicit_port;
JS::GCPtr<MessagePort> m_outside_port;
// NOTE: These are inside the worker VM.
JS::GCPtr<JS::Realm> m_worker_realm;
JS::GCPtr<JS::Object> m_worker_scope;
void run_a_worker(AK::URL& url, EnvironmentSettingsObject& outside_settings, MessagePort& outside_port, WorkerOptions const& options);
};
}