// ==UserScript==
// @name         AdoIcon
// @namespace    xiba
// @version      0.1
// @description  Make ado tabs more distinguishable
// @author       zejunchen
// @match        https://*.visualstudio.com/*
// @match        https://*.azure.com/*
// @grant        window.onurlchange
// @license MIT
// @downloadURL none
// ==/UserScript==

(function () {
  function getDisplayed() {
    var displayed = document.querySelectorAll("div.displayed-container")
    if(displayed.length >= 1){
        var img = displayed[0].querySelector("img")
        if(img)return img.src
    }
    return "https://cdn.vsassets.io/content/icons/favicon.ico";
  }

  function changePageIcon() {
    var icon = getDisplayed();
    document.getElementById("page-icon").href = icon;
  }

  changePageIcon();
  if (window.onurlchange === null) {
    // feature is supported
    window.addEventListener("urlchange", changePageIcon);
  }
})();