// ==UserScript==
// @name         9gag volume and controls
// @namespace    https://greasyfork.org/en/scripts/382093
// @match        https://9gag.com/*
// @run-at       document-end
// @grant        none
// @version      1.0.3
// @description  Adds the controls to the videos ("gifs") and sets the default volume to 30%
// @author       Artain
// @homepageURL  https://greasyfork.org/en/scripts/382093
// @license      https://creativecommons.org/licenses/by-sa/4.0/
// ==/UserScript==
(function() {
'use strict';
function changeVid(mutationsList, observer){
var vids = document.querySelectorAll("video:not(.alreadyChanged)");
for(var i=0; i < vids.length; ++i) {
var v = vids[i];
v.volume = 0.3;
v.setAttribute("class", "alreadyChanged");
v.setAttribute("controls", "true")
}
}
window.onload = function(event) {
start(0);
};
function start(iteration) {
setTimeout(function(){
var list = document.getElementById("list-view-2"),
observer;
if(typeof list !== "undefined" && list != null) {
changeVid(false,false);
observer = new MutationObserver(changeVid);
observer.observe(list, {subtree: true, childList: true});
} else {
list = document.getElementById("individual-post");
if(typeof list !== "undefined" && list != null) {
changeVid(false,false);
observer = new MutationObserver(changeVid);
observer.observe(list, {subtree: true, childList: true});
} else {
if(iteration < 20){
start(iteration++);
} else {
console.log("Error " + list + "is null or undefined");
}
}
}
}, 200);
}
})();