Fix Dailymotion integration on Gamekult

gamekult_video.user.js

// ==UserScript==
// @name        Gamekult Video
// @namespace   com
// @description Gamekult Video
// @include     *gamekult.com/*
// @version     1
// @grant       none
// @run-at      document-start
// ==/UserScript==

// https://developer.mozilla.org/fr/docs/Web/JavaScript/Same_origin_policy_for_JavaScript#Changer_l'origine
document.domain = "gamekult.com";

// https://stackoverflow.com/a/24603642
// This function ONLY works for iFrames of the same origin as their parent
function iFrameReady(iFrame, fn) {
    var timer;
    var fired = false;

    function ready() {
        if (!fired) {
            fired = true;
            clearTimeout(timer);
            fn.call(this);
        }
    }

    function readyState() {
        if (this.readyState === "complete") {
            ready.call(this);
        }
    }

    // cross platform event handler for compatibility with older IE versions
    function addEvent(elem, event, fn) {
        if (elem.addEventListener) {
            return elem.addEventListener(event, fn);
        } else {
            return elem.attachEvent("on" + event, function () {
                return fn.call(elem, window.event);
            });
        }
    }

    // use iFrame load as a backup - though the other events should occur first
    addEvent(iFrame, "load", function () {
        ready.call(iFrame.contentDocument || iFrame.contentWindow.document);
    });

    function checkLoaded() {
        let doc = iFrame.contentDocument || iFrame.contentWindow.document;
        // We can tell if there is a dummy document installed because the dummy document
        // will have an URL that starts with "about:".  The real document will not have that URL
        if (doc.URL.indexOf("about:") !== 0) {
            if (doc.readyState === "complete") {
                ready.call(doc);
            } else {
                // set event listener for DOMContentLoaded on the new document
                addEvent(doc, "DOMContentLoaded", ready);
                addEvent(doc, "readystatechange", readyState);
            }
        } else {
            // still same old original document, so keep looking for content or new document
            timer = setTimeout(checkLoaded, 1);
        }
    }
    checkLoaded();
}

function processIframes(iframes) {
    if (iframes) {
        for(i = 0; i < iframes.length; i++) {
            let ifr = iframes[i];
            if (ifr.src.indexOf('autoplay=1') !== -1) {
                ifr.src = ifr.src.replace(/autoplay=1/g,'autoplay=0');
            }
            if (ifr.src.indexOf('mute=1') !== -1) {
                ifr.src = ifr.src.replace(/mute=1/g,'mute=0');
            }
            if (ifr.src.indexOf('dailymotion.com') !== -1) {
                ifr.src += ((ifr.src.indexOf('?') === -1) ? "?" : "&") + "sharing-enable=false&queue-enable=false&quality=1080";
            }
            if (ifr.src.indexOf('premium.gamekult.com') !== -1) {
                iFrameReady(ifr, function() {
                    processIframes(this.getElementsByTagName('iframe'));
                });
            }
        }
    }
}

window.addEventListener('DOMContentLoaded', function() {
    processIframes(document.getElementsByTagName('iframe'));
}, false);