NEW 154241
WebVTT cue positions should be exposed as element attributes 
https://bugs.webkit.org/show_bug.cgi?id=154241
Summary WebVTT cue positions should be exposed as element attributes
Ryan Govostes
Reported 2016-02-15 05:29:19 PST
Positions of overlapping WebVTT cues are resolved in RenderVTTCue. The ultimate coordinate at which the cue is rendered is not expressed as an attribute of the <cue> element. This would presumably make it easier to test whether cues are being rendered correctly, which would make it possible to catch issues like bug 154240 and bug 136627.
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Eric Carlson
Comment 1 2016-02-15 20:16:51 PST
Presumably this is not a WebKit-specific issue. You should file a bug against the WebVTT spec if you think this is a useful change.
Ryan Govostes
Comment 2 2016-02-18 04:38:00 PST
Ok, I filed https://github.com/w3c/webvtt/issues/285
Simon Pieters (:zcorpan)
Comment 3 2017-01-19 03:48:13 PST
<cue> element is not a concept the spec has, so the spec can't set attributes on it. If it's not exposed to author JS or author CSS (e.g. video::cue(cue[top]) should never match) then this would be an implementation detail.
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