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LibWeb: Begin implementing SharedWorker
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Browse source 
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.
This commit is contained in:
Timothy Flynn 2025-05-02 12:06:41 -04:00 • committed by Tim Flynn
parent 469d5ccc4b
commit ea77092100
Notes: github-actions[bot] 2025-05-02 21:49:00 +00:00
12 changed files with 392 additions and 6 deletions
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10
Libraries/LibWeb/HTML/Worker.cpp
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@ -10,6 +10,7 @@
#include <LibWeb/HTML/MessagePort.h>
#include <LibWeb/HTML/Scripting/Environments.h>
#include <LibWeb/HTML/Scripting/WindowEnvironmentSettingsObject.h>
#include <LibWeb/HTML/SharedWorker.h>
#include <LibWeb/HTML/Worker.h>
namespace Web::HTML {
@ -82,14 +83,14 @@ WebIDL::ExceptionOr<GC::Ref<Worker>> Worker::create(String const& script_url, Wo
// 9. Run this step in parallel:
// 1. Run a worker given worker, worker URL, outside settings, outside port, and options.
worker->run_a_worker(url.value(), outside_settings, *outside_port, options);
run_a_worker(worker, url.value(), outside_settings, *outside_port, options);
// 10. Return worker
return worker;
}
// https://html.spec.whatwg.org/multipage/workers.html#run-a-worker
void Worker::run_a_worker(URL::URL& url, EnvironmentSettingsObject& outside_settings, GC::Ptr<MessagePort> port, WorkerOptions const& options)
void run_a_worker(Variant<GC::Ref<Worker>, GC::Ref<SharedWorker>> worker, URL::URL& url, EnvironmentSettingsObject& outside_settings, GC::Ptr<MessagePort> port, WorkerOptions const& options)
{
// 1. Let is shared be true if worker is a SharedWorker object, and false otherwise.
// FIXME: SharedWorker support
@ -107,10 +108,11 @@ void Worker::run_a_worker(URL::URL& url, EnvironmentSettingsObject& outside_sett
// 5. Let unsafeWorkerCreationTime be the unsafe shared current time.
// 6. Let agent be the result of obtaining a dedicated/shared worker agent given outside settings
// and is shared. Run the rest of these steps in that agent.
// and is shared. Run the rest of these steps in that agent.
// Note: This spawns a new process to act as the 'agent' for the worker.
m_agent = outside_settings.realm().create<WorkerAgentParent>(url, options, port, outside_settings);
auto agent = outside_settings.realm().create<WorkerAgentParent>(url, options, port, outside_settings);
worker.visit([&](auto worker) { worker->set_agent(agent); });
}
// https://html.spec.whatwg.org/multipage/workers.html#dom-worker-terminate