LibWeb: Add stub of ServiceWorker interface

Author: https://github.com/ADKaster
Commit: a0c07d1bb2
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/1404
Reviewed-by: https://github.com/tcl3 ✅

Userland/Libraries/LibWeb/HTML/ServiceWorker.cpp

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2024, Andrew Kaster <andrew@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Heap/Heap.h>
+#include <LibJS/Runtime/Realm.h>
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/HTML/EventNames.h>
+#include <LibWeb/HTML/ServiceWorker.h>
+
+namespace Web::HTML {
+
+ServiceWorker::ServiceWorker(JS::Realm& realm, String script_url)
+    : DOM::EventTarget(realm)
+    , m_script_url(move(script_url))
+{
+}
+
+ServiceWorker::~ServiceWorker() = default;
+
+JS::NonnullGCPtr<ServiceWorker> ServiceWorker::create(JS::Realm& realm)
+{
+    return realm.heap().allocate<ServiceWorker>(realm, realm, ""_string);
+}
+
+void ServiceWorker::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(ServiceWorker);
+}
+
+#undef __ENUMERATE
+#define __ENUMERATE(attribute_name, event_name)                           \
+    void ServiceWorker::set_##attribute_name(WebIDL::CallbackType* value) \
+    {                                                                     \
+        set_event_handler_attribute(event_name, value);                   \
+    }                                                                     \
+    WebIDL::CallbackType* ServiceWorker::attribute_name()                 \
+    {                                                                     \
+        return event_handler_attribute(event_name);                       \
+    }
+ENUMERATE_SERVICE_WORKER_EVENT_HANDLERS(__ENUMERATE)
+#undef __ENUMERATE
+
+}