Wayback Machine - toolbar toggler

A way to toggle the WaybackMachine's toolbar
当前为 2020-05-16 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Wayback Machine - toolbar toggler
// @name:fr      Wayback Machine - (dé)masquer la barre d'outils
// @namespace    https://github.com/Procyon-b
// @version      0.7.2
// @description  A way to toggle the WaybackMachine's toolbar
// @description:fr  Une méthode pour masquer/afficher la barre d'outils de WaybackMachine (web.archive.org)
// @author       Achernar
// @match        *://web.archive.org/web/*
// @grant        none
// @run-at       document-start
// @noframes
// ==/UserScript==

(function() {
"use strict";

function addStyle(e,s) {
  if (!e) return;
  var st=document.createElement("style");
  st.textContent=s;
  e.appendChild(st);
  }

function fix(ev) {
  var TO, st, sts = document.getElementsByTagName('style');
  addStyle( (document.head || document.documentElement), '#wm-ipp-base {opacity:0; min-height:1px;position:absolute;} #wm-ipp-base:hover {opacity: 1;} #wm-ipp-base.forcePriority {oposition:relative; z-index:99999;}')

  // remove this style if present
  for (st of sts) {
    if (st.innerText.search('.wb-autocomplete-suggestions')+1) {
      st.innerText='';
      break;
      }
    }

  // remove all added styles
  var wbSt, del=[];
  for (let el of document.body.childNodes) {
    if (el.nodeType==8) {
      if (!wbSt && (el.data==' BEGIN WAYBACK TOOLBAR INSERT ')) wbSt=true;
      else if (wbSt && (el.data==' END WAYBACK TOOLBAR INSERT ')) {
        for (let i in del) del[i].parentNode.removeChild(del[i]);
        break;
        }
      continue;
      }
    if (!wbSt) continue;
    if (el.nodeName=='STYLE') del.push(el);
    }

  // remove archive.org stylesheets
  sts=document.querySelectorAll('link[rel=stylesheet]');
  for (st of sts) {
    if (st.href.startsWith('https://web.archive.org/_static/') && !(st.href.search('/iconochive.css')+1) ) {
      st.parentNode.removeChild(st);
      }
    }

  // change "close" icon color
  if (!sr) sr=e.sr;
  addStyle(sr,'#wm-tb-close .iconochive-remove-circle {color: #26d926 !important;}');

  this.removeEventListener('dblclick', fix);
  document.body.addEventListener('keydown',function(ev){
    force=ev.altKey && ev.ctrlKey;
    if (force && !forceState) {
      e.classList.add('forcePriority');
      forceState=force;
      if (TO) clearTimeout(TO);
      TO=setTimeout(function(){
        e.classList.remove('forcePriority');
        forceState=false;
        TO=0;
        },3000);

      if (sr && (sr.firstChild.style.display=='none') ) {
        sr.firstChild.style.display='';
        }
      }
    });
  }

var e=document.getElementById('wm-ipp-base'), initCnt=300, sr, force=false, forceState=false;

function init() {
  e=document.getElementById('wm-ipp-base');
  if (!e) {
    if (--initCnt > 0) setTimeout(init, 0);
    else if (initCnt > -5) setTimeout(init, 3000);
    return;
    }

  // intercept shadow and store "sr"
  var oldAS=e.attachShadow;
  e.attachShadow=function(m){
    sr=oldAS.call(e,m);
    return sr;
    }

  e.addEventListener('dblclick', fix);
  let ne=e.nextElementSibling;
  if (ne && (ne.id=='donato')) ne.parentNode.removeChild(ne);
  }
init();

// catch attachShadow
var s=document.createElement('script');
s.textContent=`(function(){
var options={attributes: false, subtree: true, childList: true };
var obs = new MutationObserver(function(mutL) {
  for (let mut of mutL) {
    let e=mut.addedNodes[0];
    if (e && (e.id=='wm-ipp-base')) {
      var oldAS=e.attachShadow;
      e.attachShadow=function(m){
        e.sr=oldAS.call(e,m);
        return e.sr;
        }
      obs.disconnect();
      }
    }
});
obs.observe(document.documentElement, options);
})()`;
var sc=document.documentElement.insertBefore(s,document.head);
sc.parentNode.removeChild(sc);

})();