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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(
"#trackable-player-element > article"
);
if (container) {
const callback = () => {
let text = container.querySelector(
`:scope > div > div > div > div[role="cue"]`
)?.innerText;
if (!text) {
updateCaptionsFunction("");
return;
}
updateCaptionsFunction(text);
};
callback();
this.captionsObserver = new MutationObserver(callback);
this.captionsObserver.observe(container, {
childList: true,
});
}
}
removeCaptionContainerObserver() {
this.captionsObserver?.disconnect();
}
}
this.PictureInPictureVideoWrapper = PictureInPictureVideoWrapper;