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ladybird/Libraries/LibWeb/HTML/WorkerAgentParent.cpp
Andrew Kaster 4d039fc3d4 LibWeb+WebWorker: Create SharedWorkerGlobalScope for Shared Workers
Also push the onconnect event for the initial connection.

This still doesn't properly handle sending an onconnect event to a
pre-existing SharedWorkerGlobalScope with the same name for the same
origin, but it does give us a lot of WPT passes in the SharedWorker
category.
2025-05-18 17:50:05 -06:00

59 lines
2 KiB
C++

/*
* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/PrincipalHostDefined.h>
#include <LibWeb/HTML/MessagePort.h>
#include <LibWeb/HTML/WorkerAgentParent.h>
#include <LibWeb/Page/Page.h>
#include <LibWeb/Worker/WebWorkerClient.h>
namespace Web::HTML {
GC_DEFINE_ALLOCATOR(WorkerAgentParent);
WorkerAgentParent::WorkerAgentParent(URL::URL url, WorkerOptions const& options, GC::Ptr<MessagePort> outside_port, GC::Ref<EnvironmentSettingsObject> outside_settings, Bindings::AgentType agent_type)
: m_worker_options(options)
, m_agent_type(agent_type)
, m_url(move(url))
, m_outside_port(outside_port)
, m_outside_settings(outside_settings)
{
}
void WorkerAgentParent::initialize(JS::Realm& realm)
{
Base::initialize(realm);
m_message_port = MessagePort::create(realm);
m_message_port->entangle_with(*m_outside_port);
TransferDataHolder data_holder;
MUST(m_message_port->transfer_steps(data_holder));
// NOTE: This blocking IPC call may launch another process.
// If spinning the event loop for this can cause other javascript to execute, we're in trouble.
auto worker_socket_file = Bindings::principal_host_defined_page(realm).client().request_worker_agent(m_agent_type);
auto worker_socket = MUST(Core::LocalSocket::adopt_fd(worker_socket_file.take_fd()));
MUST(worker_socket->set_blocking(true));
// TODO: Mach IPC
auto transport = make<IPC::Transport>(move(worker_socket));
m_worker_ipc = make_ref_counted<WebWorkerClient>(move(transport));
m_worker_ipc->async_start_worker(m_url, m_worker_options.type, m_worker_options.credentials, m_worker_options.name, move(data_holder), m_outside_settings->serialize(), m_agent_type);
}
void WorkerAgentParent::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_message_port);
visitor.visit(m_outside_port);
visitor.visit(m_outside_settings);
}
}