LibWeb: Implement ToggleEvent for HTMLDetailsElement

Author: https://github.com/trflynn89
Commit: 153ae93f9c
Pull-request: https://github.com/SerenityOS/serenity/pull/20965
Reviewed-by: https://github.com/Lubrsi
Reviewed-by: https://github.com/shannonbooth

Userland/Libraries/LibWeb/HTML/ToggleEvent.cpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/Bindings/ToggleEventPrototype.h>
+#include <LibWeb/HTML/ToggleEvent.h>
+
+namespace Web::HTML {
+
+JS::NonnullGCPtr<ToggleEvent> ToggleEvent::create(JS::Realm& realm, FlyString const& event_name, ToggleEventInit event_init)
+{
+    return realm.heap().allocate<ToggleEvent>(realm, realm, event_name, move(event_init));
+}
+
+WebIDL::ExceptionOr<JS::NonnullGCPtr<ToggleEvent>> ToggleEvent::construct_impl(JS::Realm& realm, FlyString const& event_name, ToggleEventInit event_init)
+{
+    return create(realm, event_name, move(event_init));
+}
+
+ToggleEvent::ToggleEvent(JS::Realm& realm, FlyString const& event_name, ToggleEventInit event_init)
+    : DOM::Event(realm, event_name, event_init)
+    , m_old_state(move(event_init.old_state))
+    , m_new_state(move(event_init.new_state))
+{
+}
+
+void ToggleEvent::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    set_prototype(&Bindings::ensure_web_prototype<Bindings::ToggleEventPrototype>(realm, "ToggleEvent"));
+}
+
+}