60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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class PictureInPictureVideoWrapper {
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isLive() {
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let documentURI = document.documentURI;
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return documentURI.includes("/live/") || documentURI.includes("/TV/");
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}
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getDuration(video) {
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if (this.isLive(video)) {
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return Infinity;
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}
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return video.duration;
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}
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setCaptionContainerObserver(video, updateCaptionsFunction) {
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let container =
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document.querySelector(`[data-testid="playerRoot"]`) ||
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document.querySelector(`[player-root="true"]`);
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if (container) {
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updateCaptionsFunction("");
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const callback = function (mutationsList) {
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// eslint-disable-next-line no-unused-vars
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for (const mutation of mutationsList) {
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let text = container.querySelector(
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".rxp-texttrack-region"
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)?.innerText;
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if (!text) {
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updateCaptionsFunction("");
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return;
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}
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updateCaptionsFunction(text);
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}
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};
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// immediately invoke the callback function to add subtitles to the PiP window
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callback([1], null);
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this.captionsObserver = new MutationObserver(callback);
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this.captionsObserver.observe(container, {
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attributes: false,
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childList: true,
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subtree: true,
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});
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}
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}
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removeCaptionContainerObserver() {
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this.captionsObserver?.disconnect();
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}
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}
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this.PictureInPictureVideoWrapper = PictureInPictureVideoWrapper;
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