Autoplay videos, and autoscroll without the need to be a Premium user
// ==UserScript==
// @name Reddxxx - Autoplay / Autoscroll
// @namespace REDDXXX
// @description Autoplay videos, and autoscroll without the need to be a Premium user
// @version 1.02
// @grant none
// @include https://reddxxx.com/*
// @license MIT
// @author Mashak
// ==/UserScript==
(function() {
var interval = null; // Time interval automatically set, to detect new videos to observe
var scrollInterval = null; // Time interval automatically set, to autoscroll
var displayRatio = 0.2; // Play videos when 20% (default) of the player is visible (value between ]0,1]).
var scrollTimer = 10; // Time (in ms) between each 1px scroll (default to 10ms)
var scrollIncrement = 2; // Time increment (in ms) to add/subtract to the current autoscroll (default to 2ms)
var unmuteAll = false; // Unmute all the videos currently playing if set to true (default to false)
var startKey = "k"; // Bind to (re)start the script (default to "k")
var stopKey = "s"; // Bind to stop the script (default to "s")
var fasterKey = "+"; // Bind to accelerate the autoscroll (default to "+")
var slowerKey = "-"; // Bind to slowdown the autoscroll (default to "-")
// Observer used to automatically play or pause videos depending of their position in the viewport
var observer = new IntersectionObserver((entries, observer) => {
entries.forEach(entry => {
var elem = entry.target;
if(entry.intersectionRatio < displayRatio) {
elem.pause();
} else {
if (elem.paused) {
elem.setAttribute("autoplay", true);
elem.setAttribute("loop", true);
if (unmuteAll && elem.muted) elem.muted = false;
elem.play();
}
}
});
}, {threshold: displayRatio});
// Main script, attaching the observer to each video detected to automatically play/pause them
function startVid() {
preventPause();
var videosList = document.getElementsByTagName("video");
for(var i = 0; i < videosList.length; i++) {
var observedState = videosList[i].getAttribute("data-observe");
if(observedState !== "true") {
videosList[i].setAttribute("data-observe", true);
observer.observe(videosList[i]);
}
}
var slidersList = document.querySelectorAll('button[aria-label="next"]');
for(var i = 0; i < slidersList.length; i++) {
slidersList[i].click();
}
}
// Used to counter the site preventing us from playing the videos
function preventPause() {
var checkList = document.querySelectorAll('button[aria-label="play/pause"]');
for(var i = 0; i < checkList.length; i++) {
var startedState = checkList[i].getAttribute("data-started");
if(startedState !== "true") {
checkList[i].setAttribute("data-started", true);
checkList[i].click();
}
}
}
// Scroll the page by 1px vertically (for smooth scrolling)
function pageScroll() {
window.scrollBy(0,1);
}
// Reset the scroll interval
function resetScroll() {
clearInterval(scrollInterval);
scrollInterval = setInterval(pageScroll, scrollTimer);
}
// Keystrokes
var previousKeyStroke = null;
function keyStrokes(event) {
if (document.activeElement.localName == "input") return;
var ek = event.key;
var tmpPreviousKeyStroke = previousKeyStroke;
previousKeyStroke = ek;
if (tmpPreviousKeyStroke == "Control") return;
switch (ek) {
case startKey:
console.log("(Re)started");
clearInterval(interval);
interval = setInterval(startVid, 1000);
resetScroll();
break;
case stopKey:
console.log("Stopped");
clearInterval(interval);
clearInterval(scrollInterval);
break;
case fasterKey:
scrollTimer -= scrollIncrement;
if (scrollTimer <= 0) scrollTimer = 1;
resetScroll();
break;
case slowerKey:
scrollTimer += scrollIncrement;
resetScroll();
break;
default:
}
}
document.onkeydown = keyStrokes;
})();