YouTube Background Playback - Kiwi Browser

Enable YouTube background playback in Kiwi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         YouTube Background Playback - Kiwi Browser
// @namespace    https://greatest.deepsurf.us/en/users/670188-hacker09?sort=daily_installs
// @version      2
// @description  Enable YouTube background playback in Kiwi.
// @author       hacker09
// @match        *://*.youtube.com/*
// @match        *://*.youtube-nocookie.com/*
// @run-at       document-end
// @grant        none
// ==/UserScript==

'use strict';
const lactRefreshInterval = 5 * 60 * 1000; // 5 mins
const initialLactDelay = 1000;

// Page Visibility API
Object.defineProperties(document, { 'hidden': { value: false }, 'visibilityState': { value: 'visible' } });
window.addEventListener('visibilitychange', e => {
  e.stopImmediatePropagation();
  setTimeout(() => document.querySelector('video').play(), 2000);
}, true);

// _lact stuff
function waitForYoutubeLactInit(delay = initialLactDelay) {
  if (window.hasOwnProperty('_lact')) {
    window.setInterval(() => { window._lact = Date.now(); }, lactRefreshInterval);
  }
  else{
    window.setTimeout(() => waitForYoutubeLactInit(delay * 2), delay);
  }

}

waitForYoutubeLactInit();