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26 enum TextTrackMode { "disabled", "hidden", "showing" };
27 enum TextTrackKind { "subtitles", "captions", "descriptions", "chapters", "metadata", "forced" };
30 Conditional=VIDEO_TRACK,
31 GenerateIsReachable=ImplElementRoot,
34 ] interface TextTrack : EventTarget {
35 readonly attribute DOMString id;
36 [ImplementedAs=kindForBindings] attribute TextTrackKind kind;
37 readonly attribute DOMString label;
38 [CustomSetter] attribute DOMString language;
39 readonly attribute DOMString inBandMetadataTrackDispatchType;
41 attribute TextTrackMode mode;
43 readonly attribute TextTrackCueList? cues;
44 readonly attribute TextTrackCueList? activeCues;
46 // FIXME: cue parameter should not be nullable in addCue and removeCue.
47 [MayThrowLegacyException] void addCue(TextTrackCue? cue);
48 [MayThrowLegacyException] void removeCue(TextTrackCue? cue);
50 attribute EventHandler oncuechange;
52 readonly attribute VTTRegionList regions;
53 // FIXME: region parameter should not be nullable in addRegion and removeRegion.
54 void addRegion(VTTRegion? region);
55 [MayThrowLegacyException] void removeRegion(VTTRegion? region);