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/* 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
"use strict";
class PictureInPictureVideoWrapper {
setCaptionContainerObserver(video, updateCaptionsFunction) {
let container = document.querySelector(".video-wrapper");
if (container) {
updateCaptionsFunction("");
const callback = function () {
let text = container.querySelector(
".closed-captions.is-visible"
)?.innerText;
updateCaptionsFunction(text);
};
callback([1], null);
let captionsObserver = new MutationObserver(callback);
captionsObserver.observe(container, {
attributes: true,
childList: true,
subtree: true,
});
}
}
}
this.PictureInPictureVideoWrapper = PictureInPictureVideoWrapper;