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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";
// This wrapper supports multiple sites that use JWPlayer
class PictureInPictureVideoWrapper {
setCaptionContainerObserver(video, updateCaptionsFunction) {
let container = document.querySelector(".jw-captions");
if (container) {
updateCaptionsFunction("");
const callback = function () {
let text = container.innerText;
if (!text) {
updateCaptionsFunction("");
return;
}
updateCaptionsFunction(text);
};
// immediately invoke the callback function to add subtitles to the PiP window
callback();
this.captionsObserver = new MutationObserver(callback);
this.captionsObserver.observe(container, {
attributes: false,
childList: true,
subtree: true,
});
}
}
removeCaptionContainerObserver() {
this.captionsObserver?.disconnect();
}
}
this.PictureInPictureVideoWrapper = PictureInPictureVideoWrapper;