33 lines
927 B
JavaScript
33 lines
927 B
JavaScript
/* 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
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
"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;
|