Prevent autoplay for HTML5 video playlists (particularly on YouTube) by making them pause before they can move on. Works on videos in iframes too.
As of
// ==UserScript==
// @name prevent-playlist-autoplay
// @namespace https://github.com/ahuanguchi
// @version 1.1.0
// @description Prevent autoplay for HTML5 video playlists (particularly on YouTube) by making them pause before they can move on. Works on videos in iframes too.
// @author ahuanguchi
// @match *://*/*
// @grant none
// @run-at document-start
// ==/UserScript==
(function () {
var video, duration, currentSrc, previousSrc;
var waitTime = 1500;
function checkTime() {
if (duration - video.currentTime < 0.5) {
video.pause();
video.removeEventListener("timeupdate", checkTime);
}
}
function preventPlaylistAutoplay() {
var loc = document.location;
video = document.getElementsByTagName("video")[0];
if (video) {
if (!currentSrc) {
currentSrc = video.src;
}
duration = video.duration;
if (loc.hostname === "www.youtube.com" && loc.search.indexOf("list=") === -1) {
return;
}
video.addEventListener("timeupdate", checkTime);
console.info("Tracking video time.");
} else {
console.info("No video found.");
}
}
function checkSrc() {
if (video) {
previousSrc = currentSrc;
currentSrc = video.src;
if (currentSrc !== previousSrc) {
console.info("Finding next video.");
preventPlaylistAutoplay();
}
}
}
window.addEventListener("load", function () {
window.setTimeout(preventPlaylistAutoplay, waitTime);
});
window.addEventListener("click", function () {
window.setTimeout(checkSrc, waitTime);
});
window.addEventListener("keyup", function () {
window.setTimeout(checkSrc, waitTime);
});
}());