pixeltris
46 lines
1.8 KiB
JavaScript
46 lines
1.8 KiB
JavaScript
// Author: https://twitter.com/EthanShulman
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twitch-videoad.js application/javascript
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(function() {
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if ( /(^|\.)twitch\.tv$/.test(document.location.hostname) === false ) { return; }
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window.addEventListener("DOMContentLoaded", function() {
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//current state of if video is disabled
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var disabledVideo = null;
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var originalVolume = 0;
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//repeatedly check for ad
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function checkForAd() {
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//check ad by looking for text banner
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var adBanner = document.querySelectorAll("span.tw-c-text-overlay");
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var foundAd = false;
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for (var i = 0; i < adBanner.length; i++) {
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if (adBanner[i].attributes["data-test-selector"]) {
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foundAd = true;
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break;
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}
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}
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if (foundAd) {
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//if found ad and video is visible, black out video and mute
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if (!disabledVideo) {
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//get livestream video element
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var liveVid = document.getElementsByTagName("video");
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if (liveVid.length) {
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disabledVideo = liveVid = liveVid[0];
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//mute
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originalVolume = liveVid.volume;
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liveVid.volume = 0;
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//black out
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liveVid.style.filter = "brightness(0%)";
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}
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}
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} else {
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//if no ad and video blacked out, unmute and disable black out
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if (disabledVideo) {
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disabledVideo.volume = originalVolume;
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disabledVideo.style.filter = "";
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disabledVideo = null;
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}
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}
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setTimeout(checkForAd,100);
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}
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checkForAd();
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});
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})(); |