Do not duplicate the listeners when using media based advancement start/stop methods. #17289
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Do not duplicate the listeners when using media based advancement start/stop methods.
Because the
PAUSED_STATE
calls theMediaBasedAdvancement.start
andMediaBasedAdvancement.stop
methods, it can happen that we duplicate the media advancement listeners (timeupdate and ended).That's bad for performance, but led to a bug where it'd call the
switchTo
method multiple times when the video ends, breaking the story navigation.