Source code
Revision control
Copy as Markdown
Other Tools
/* 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 video.js player
class PictureInPictureVideoWrapper {
setCaptionContainerObserver(video, updateCaptionsFunction) {
let container = document.querySelector(".vjs-text-track-display");
if (container) {
updateCaptionsFunction("");
const callback = function () {
let text = container.querySelector("div").innerText;
if (!text) {
updateCaptionsFunction("");
return;
}
updateCaptionsFunction(text);
};
// immediately invoke the callback function to add subtitles to the PiP window
callback([1], null);
let captionsObserver = new MutationObserver(callback);
captionsObserver.observe(container, {
attributes: false,
childList: true,
subtree: true,
});
}
}
}
this.PictureInPictureVideoWrapper = PictureInPictureVideoWrapper;