LibWeb: Implement TrackEvent for media events

1 files changed, 36 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/HTML/TrackEvent.h b/Userland/Libraries/LibWeb/HTML/TrackEvent.h
new file mode 100644
index 0000000000..b0c0a85864
--- /dev/null
+++ b/Userland/Libraries/LibWeb/HTML/TrackEvent.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/FlyString.h>
+#include <LibWeb/DOM/Event.h>
+
+namespace Web::HTML {
+
+struct TrackEventInit : public DOM::EventInit {
+    JS::GCPtr<VideoTrack> track;
+};
+
+class TrackEvent : public DOM::Event {
+    WEB_PLATFORM_OBJECT(TrackEvent, DOM::Event);
+
+public:
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<TrackEvent>> create(JS::Realm&, FlyString const& event_name, TrackEventInit const& event_init = {});
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<TrackEvent>> construct_impl(JS::Realm&, FlyString const& event_name, TrackEventInit const& event_init);
+
+    // https://html.spec.whatwg.org/multipage/media.html#dom-trackevent-track
+    JS::GCPtr<VideoTrack> track() const { return m_track; }
+
+private:
+    TrackEvent(JS::Realm&, FlyString const& event_name, TrackEventInit const& event_init);
+
+    virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
+
+    JS::GCPtr<VideoTrack> m_track;
+};
+
+}