Allows m.YouTube.com background play, especially useful for iPhone users
// ==UserScript==
// @name m.YouTube.com allow background play
// @namespace m-youtube-com-allow-background-play
// @version 1.0
// @description Allows m.YouTube.com background play, especially useful for iPhone users
// @author hlorand.hu
// @match https://m.youtube.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net
// @grant none
// @license https://creativecommons.org/licenses/by-nc-sa/4.0/
// ==/UserScript==
// Original code: https://addons.mozilla.org/en-US/android/addon/video-background-play-fix/
(function() {
//'use strict';
const IS_YOUTUBE = window.location.hostname.search(/(?:^|.+\.)youtube\.com/) > -1 ||
window.location.hostname.search(/(?:^|.+\.)youtube-nocookie\.com/) > -1;
const IS_MOBILE_YOUTUBE = window.location.hostname == 'm.youtube.com';
const IS_DESKTOP_YOUTUBE = IS_YOUTUBE && !IS_MOBILE_YOUTUBE;
const IS_VIMEO = window.location.hostname.search(/(?:^|.+\.)vimeo\.com/) > -1;
const IS_ANDROID = window.navigator.userAgent.indexOf('Android') > -1;
// Page Visibility API
if (IS_ANDROID || !IS_DESKTOP_YOUTUBE) {
Object.defineProperties(document.wrappedJSObject,
{ 'hidden': {value: false}, 'visibilityState': {value: 'visible'} });
}
window.addEventListener(
'visibilitychange', evt => evt.stopImmediatePropagation(), true);
// Fullscreen API
if (IS_VIMEO) {
window.addEventListener(
'fullscreenchange', evt => evt.stopImmediatePropagation(), true);
}
// User activity tracking
if (IS_YOUTUBE) {
loop(pressKey, 60 * 1000, 10 * 1000); // every minute +/- 5 seconds
}
function pressKey() {
const keyCodes = [18];
let key = keyCodes[getRandomInt(0, keyCodes.length)];
sendKeyEvent("keydown", key);
sendKeyEvent("keyup", key);
}
function sendKeyEvent (aEvent, aKey) {
document.dispatchEvent(new KeyboardEvent(aEvent, {
bubbles: true,
cancelable: true,
keyCode: aKey,
which: aKey,
}));
}
function loop(aCallback, aDelay, aJitter) {
let jitter = getRandomInt(-aJitter/2, aJitter/2);
let delay = Math.max(aDelay + jitter, 0);
window.setTimeout(() => {
aCallback();
loop(aCallback, aDelay, aJitter);
}, delay);
}
function getRandomInt(aMin, aMax) {
let min = Math.ceil(aMin);
let max = Math.floor(aMax);
return Math.floor(Math.random() * (max - min)) + min;
}
})();