1 files changed, 26 insertions, 0 deletions
diff --git a/dom/webidl/VRDisplayEvent.webidl b/dom/webidl/VRDisplayEvent.webidl
new file mode 100644
index 0000000000..41407ec615
--- /dev/null
+++ b/dom/webidl/VRDisplayEvent.webidl
@@ -0,0 +1,26 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+enum VRDisplayEventReason {
+  "mounted",
+  "navigation",
+  "requested",
+  "unmounted",
+};
+
+dictionary VRDisplayEventInit : EventInit {
+  required VRDisplay display;
+  VRDisplayEventReason reason;
+};
+
+[Pref="dom.vr.enabled",
+ SecureContext,
+ Exposed=Window]
+interface VRDisplayEvent : Event {
+  constructor(DOMString type, VRDisplayEventInit eventInitDict);
+
+  readonly attribute VRDisplay display;
+  readonly attribute VRDisplayEventReason? reason;
+};