1 files changed, 36 insertions, 0 deletions
diff --git a/dom/webidl/VTTRegion.webidl b/dom/webidl/VTTRegion.webidl
new file mode 100644
index 0000000000..359e5d9a8b
--- /dev/null
+++ b/dom/webidl/VTTRegion.webidl
@@ -0,0 +1,36 @@
+/* -*- 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/.
+ *
+ * The origin of this IDL file is
+ * https://w3c.github.io/webvtt/#the-vttregion-interface
+ */
+
+enum ScrollSetting {
+  "",
+  "up"
+};
+
+[Pref="media.webvtt.regions.enabled",
+ Exposed=Window]
+interface VTTRegion {
+  [Throws]
+  constructor();
+
+           attribute DOMString id;
+           [SetterThrows]
+           attribute double width;
+           [SetterThrows]
+           attribute long lines;
+           [SetterThrows]
+           attribute double regionAnchorX;
+           [SetterThrows]
+           attribute double regionAnchorY;
+           [SetterThrows]
+           attribute double viewportAnchorX;
+           [SetterThrows]
+           attribute double viewportAnchorY;
+
+           attribute ScrollSetting scroll;
+};