43 lines
1.2 KiB
JavaScript
43 lines
1.2 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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setCaptionContainerObserver(video, updateCaptionsFunction) {
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let container = document.querySelector(".shaka-text-container");
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if (container) {
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updateCaptionsFunction("");
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const callback = function () {
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let textNodeList = container?.querySelectorAll("span");
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if (!textNodeList) {
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updateCaptionsFunction("");
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return;
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}
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updateCaptionsFunction(
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Array.from(textNodeList, x => x.textContent).join("\n")
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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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