Expose TextTrack.activeCues

2 files changed, 8 insertions, 1 deletions

diff --git a/components/script/dom/texttrack.rs b/components/script/dom/texttrack.rs
index 553ff8ea159..c0b910d36bc 100644
--- a/components/script/dom/texttrack.rs
+++ b/components/script/dom/texttrack.rs
@@ -110,6 +110,13 @@ impl TextTrackMethods for TextTrack {
         }
     }
 
+    // https://html.spec.whatwg.org/multipage/#dom-texttrack-activecues
+    fn GetActiveCues(&self) -> Option<DomRoot<TextTrackCueList>> {
+        // XXX implement active cues logic
+        //      https://github.com/servo/servo/issues/22314
+        None
+    }
+
     // https://html.spec.whatwg.org/multipage/#dom-texttrack-addcue
     fn AddCue(&self, cue: &TextTrackCue) -> ErrorResult {
         // FIXME(#22314, dlrobertson) add Step 1 & 2
diff --git a/components/script/dom/webidls/TextTrack.webidl b/components/script/dom/webidls/TextTrack.webidl
index 71fc0e84099..d51d9b0dc67 100644
--- a/components/script/dom/webidls/TextTrack.webidl
+++ b/components/script/dom/webidls/TextTrack.webidl
@@ -19,7 +19,7 @@ interface TextTrack : EventTarget {
   attribute TextTrackMode mode;
 
   readonly attribute TextTrackCueList? cues;
-  // readonly attribute TextTrackCueList? activeCues;
+  readonly attribute TextTrackCueList? activeCues;
 
   [Throws]
   void addCue(TextTrackCue cue);