Autoplay Videos in Feed on Scrolller.com
// ==UserScript==
// @name Scrolller.com Autoplay Feed
// @name:de Scrolller.com Automatische Wiedergabe im Feed
// @version 1.0.7
// @description Autoplay Videos in Feed on Scrolller.com
// @description:de Spiele Videos im Feed automatisch ab auf Scrolller.com
// @icon https://scrolller.com/assets/favicon-16x16.png
// @author TalkLounge (https://github.com/TalkLounge)
// @namespace https://github.com/TalkLounge/scrolller.com-autoplay-feed
// @license MIT
// @match https://scrolller.com/*
// @grant none
// @run-at document-start
// ==/UserScript==
(function () {
'use strict';
let interval;
let muted = true;
let cooldown = Date.now();
let MEDIASOURCES = {};
const SELECTOR_FEED_HAS_IMG = "[class*=columnsContainer] [class*=galleryColumn] [class*=galleryItemHandler] img";
const SELECTOR_FEED_ALL_PARENT_PLAY = "[class*=columnsContainer] [class*=galleryColumn] [class*=galleryItemHandler]:has([class*=postCard] [class*=videoHandler])";
const SELECTOR_FEED_ALL_VIDEOS = "[class*=columnsContainer] [class*=galleryColumn] [class*=galleryItemHandler]:has([class*=postCard]) video";
const SELECTOR_PARENT_PLAY = "[class*=videoHandler]";
const SELECTOR_PLAY = "[class*=videoHandler]>svg";
function video2SVGParent(video) {
const parent = video.parentNode.parentNode.parentNode;
//console.log(`video2SVGParent():`, video, "Return:", parent);
return parent;
}
function insertSound(parent, mute) {
if (!parent || [...parent.querySelector("div").classList].includes("noaudio")) {
return;
}
//console.log(`insertSound():`, parent, mute);
parent.querySelector(".sound")?.remove();
let html;
if (mute) {
html = `
<svg class="sound muted" viewBox="0 0 512 512" style="fill: grey; position: absolute; z-index: 2; width: 1.5em; cursor: pointer; margin-left: 0.2em">
<path d="M232 416a23.88 23.88 0 01-14.2-4.68 8.27 8.27 0 01-.66-.51L125.76 336H56a24 24 0 01-24-24V200a24 24 0 0124-24h69.75l91.37-74.81a8.27 8.27 0 01.66-.51A24 24 0 01256 120v272a24 24 0 01-24 24zm-106.18-80zm-.27-159.86zM320 336a16 16 0 01-14.29-23.19c9.49-18.87 14.3-38 14.3-56.81 0-19.38-4.66-37.94-14.25-56.73a16 16 0 0128.5-14.54C346.19 208.12 352 231.44 352 256c0 23.86-6 47.81-17.7 71.19A16 16 0 01320 336z"></path>
<path d="M368 384a16 16 0 01-13.86-24C373.05 327.09 384 299.51 384 256c0-44.17-10.93-71.56-29.82-103.94a16 16 0 0127.64-16.12C402.92 172.11 416 204.81 416 256c0 50.43-13.06 83.29-34.13 120a16 16 0 01-13.87 8z"></path>
<path d="M416 432a16 16 0 01-13.39-24.74C429.85 365.47 448 323.76 448 256c0-66.5-18.18-108.62-45.49-151.39a16 16 0 1127-17.22C459.81 134.89 480 181.74 480 256c0 64.75-14.66 113.63-50.6 168.74A16 16 0 01416 432z"></path>
</svg>`;
} else {
html = `
<svg class="sound volume" viewBox="0 0 512 512" style="fill: white; position: absolute; z-index: 2; width: 1.5em; cursor: pointer; margin-left: 0.2em">
<path d="M232 416a23.88 23.88 0 01-14.2-4.68 8.27 8.27 0 01-.66-.51L125.76 336H56a24 24 0 01-24-24V200a24 24 0 0124-24h69.75l91.37-74.81a8.27 8.27 0 01.66-.51A24 24 0 01256 120v272a24 24 0 01-24 24zm-106.18-80zm-.27-159.86zM320 336a16 16 0 01-14.29-23.19c9.49-18.87 14.3-38 14.3-56.81 0-19.38-4.66-37.94-14.25-56.73a16 16 0 0128.5-14.54C346.19 208.12 352 231.44 352 256c0 23.86-6 47.81-17.7 71.19A16 16 0 01320 336z"></path>
<path d="M368 384a16 16 0 01-13.86-24C373.05 327.09 384 299.51 384 256c0-44.17-10.93-71.56-29.82-103.94a16 16 0 0127.64-16.12C402.92 172.11 416 204.81 416 256c0 50.43-13.06 83.29-34.13 120a16 16 0 01-13.87 8z"></path>
<path d="M416 432a16 16 0 01-13.39-24.74C429.85 365.47 448 323.76 448 256c0-66.5-18.18-108.62-45.49-151.39a16 16 0 1127-17.22C459.81 134.89 480 181.74 480 256c0 64.75-14.66 113.63-50.6 168.74A16 16 0 01416 432z"></path>
</svg>`;
}
html = html.replace(/>\s+</g, '><').trim(); // Clean up formatted html, Thanks to https://stackoverflow.com/a/27841683
const child = new DOMParser().parseFromString(html, "text/html");
child.body.firstChild.addEventListener("click", (e) => {
e.stopPropagation();
const svg = e.target.closest(".sound");
//console.log("Clicked Sound Button", svg);
document.querySelectorAll(SELECTOR_FEED_ALL_VIDEOS).forEach(video => {
if (!video.muted) {
insertSound(video2SVGParent(video), true);
}
video.muted = true;
});
if ([...svg.classList].includes("muted")) {
//console.log("Muted");
muted = false;
parent.querySelector("video").muted = false;
insertSound(parent);
} else {
//console.log("Unmuted");
muted = true;
insertSound(parent, true);
}
});
parent.insertBefore(child.body.firstChild, parent.firstChild);
}
function extractMediaSourceFromVideoTag(data) {
return [...data.querySelectorAll("video source")].map(item => item.src);
}
function extractMediaSourceFromScriptTags(data, url) {
const initialData = data;
data = [...data.querySelectorAll("script")];
data = data.find(item => item.innerText.includes("mediaSources") && item.innerText.includes("blurredMediaSources"));
if (!data) {
console.error(`[ERROR]: extractMediaSourceFromScriptTags(): Couldn't load url scripts for ${url}`, initialData);
return;
}
data = data.innerText.match(/https?:\/\/[^\s"'\\]+/g);
data = data.filter(item => (item.endsWith(".mp4") || item.endsWith(".webm")) && !item.includes("/scrolller/"));
data = [...new Set(data)]; // Remove duplicates
return data;
}
async function loadMediaSources(url) {
if (MEDIASOURCES[url]) {
return MEDIASOURCES[url];
}
//console.log("loadMediaSources()", url);
let data;
for (let i = 1; i <= 8; i++) { // Try 8 times in case of HTTP Code 500
try {
data = await fetch(url);
if (data.ok) {
break;
}
} catch (e) { }
if (i == 8) {
console.error(`[ERROR]: loadMediaSources(): GET failed 8 times for ${url}`);
return;
} else {
await new Promise(r => setTimeout(r, Math.floor(Math.random() * 501) + 500)); // Cooldown between 500 - 1000 ms
}
}
data = await data.text();
data = new DOMParser().parseFromString(data, "text/html");
let mediaSources;
try {
mediaSources = extractMediaSourceFromVideoTag(data);
} catch (e) { }
if (!mediaSources || !mediaSources.length) {
try {
mediaSources = extractMediaSourceFromScriptTags(data, url);
} catch (e) { }
}
if (!mediaSources || !mediaSources.length) {
console.error(`[ERROR]: loadMediaSources(): Extraction failed for ${url}`);
return;
}
MEDIASOURCES[url] = mediaSources;
return mediaSources;
}
async function loadVideo(parent) {
if ([...parent.querySelector("div").classList].includes("loaded")) {
return;
}
//console.log(`loadVideo():`, parent);
parent.querySelector("div").classList.add("loaded");
parent.querySelector(SELECTOR_PLAY).remove();
const url = parent.querySelector("a").href;
const mediaSources = await loadMediaSources(url);
if (!mediaSources || !mediaSources.length || !parent.querySelector(SELECTOR_PARENT_PLAY)) {
return;
}
const video = document.createElement("video");
video.autoplay = true;
video.muted = true;
video.loop = true;
video.style.height = "100%";
video.style.position = "absolute";
video.addEventListener("loadeddata", () => {
if (!parent.querySelector(SELECTOR_PARENT_PLAY)) {
return; // Already unloaded
}
parent.querySelector(SELECTOR_PARENT_PLAY).remove();
const hasAudio = video.mozHasAudio || Boolean(video.webkitAudioDecodedByteCount) || Boolean(video.audioTracks && video.audioTracks.length);
if (!hasAudio) {
parent.querySelector("div").classList.add("noaudio");
}
insertSound(parent, true);
});
for (const src of mediaSources) {
const source = document.createElement("source");
source.src = src;
video.append(source);
}
parent.querySelector("a").append(video);
}
function loadVideos() {
const items = document.querySelectorAll(SELECTOR_FEED_ALL_PARENT_PLAY);
for (const item of items) {
loadVideo(item);
}
}
async function init() {
if (!document.querySelector(SELECTOR_FEED_HAS_IMG)) {
return;
}
window.clearInterval(interval);
window.setInterval(loadVideos, 500);
document.body.onscroll = function () {
if (muted) {
return;
}
if (Date.now() - cooldown < 250) {
return;
}
cooldown = Date.now();
//console.log("Scroll");
let diffMin = 1000000;
let nearest;
let middle = window.innerHeight / 2;
document.querySelectorAll(SELECTOR_FEED_ALL_VIDEOS).forEach(video => {
const loud = video2SVGParent(video).querySelector(".sound:not(.muted)");
if (loud) {
insertSound(video2SVGParent(video), true);
}
video.muted = true;
const rect = video.getBoundingClientRect();
const elemMiddle = rect.y + (rect.height / 2);
const diff = Math.abs(middle - elemMiddle);
if (diff < diffMin) {
diffMin = diff;
nearest = video;
}
});
if (!nearest || diffMin > middle || video2SVGParent(nearest).querySelector(".sound:not(.muted)")) {
return;
}
nearest.muted = false;
insertSound(video2SVGParent(nearest));
}
}
interval = window.setInterval(init, 500);
})();