CSS: m.facebook.com - cleaner UI

Corrections to UI of Facebook for mobile browsers: remove useless panels

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name          CSS: m.facebook.com - cleaner UI
// @description   Corrections to UI of Facebook for mobile browsers: remove useless panels
// @author        MK
// @namespace     max44
// @homepage      https://greasyfork.org/en/users/309172-max44
// @match         *://m.facebook.com/*
// @icon          https://static.xx.fbcdn.net/rsrc.php/yD/r/d4ZIVX-5C-b.ico
// @version       1.3.3
// @license       MIT
// @require       https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
// @run-at        document-idle
// ==/UserScript==

(function() {
  'use strict';

  var css = `
  /*Remove MBackNavBar - back arrow header above the current message*/
  #MBackNavBar {
    visibility: hidden !important;
    height: 0px !important;
  }

  /*Remove mDialogHeader
  #mDialogHeader {
    visibility: hidden !important;
    height: 0px !important;
  }*/

  /*Remove MStoriesTray - box with various stories*/
  #MStoriesTray {
    visibility: hidden !important;
    height: 0px !important;
  }

  /*Remove conversation guides*/
  /*#u_0_11, #u_jb_9, #u_1y_8*/
  /*[id^="u_"][id$="_8"],
  [id^="u_"][id$="_9"],
  [id^="u_"][id$="_10"],
  [id^="u_"][id$="_11"]*/
  [class^="_7an"],
  ._4l3w {
    visibility: hidden !important;
    height: 0px !important;
  }

  /*Make smaller clickable area around "Like", "Reply" and "More"*/
  a._2b0a {
    padding: 3px 8px 3px 8px !important;
    /*margin: 0px 0px 7px 0px;*/
  }

  /*Correct place of comments switcher*/
  div > div#add_comment_switcher_placeholder {
    float: unset !important;
    text-align: right !important;
  }

  /*Make darker background for new interface header*/
  /*#mJewelNav {
    background: #e0eaf8 !important;
  }*/

  /*Make header icons non-white to be visible on white background*/
  #feed_jewel.hasCount > a > div > div {
    background-position: 0 -609px !important;
  }
  #requests_jewel.hasCount > a > div > div {
    background-position: 0 -273px !important;
  }
  #messages_jewel.hasCount > a > div > div {
    background-position: 0 -42px !important;
  }
  #videos_tab_jewel.hasCount > a > div > div {
    background-position: 0 -672px !important;
  }
  #notifications_jewel.hasCount > a > div > div {
    background-position: 0 -126px !important;
  }
  #bookmarks_jewel.hasCount > a > div > div {
    background-position: 0 -525px !important;
  }
  `;

  if (typeof GM_addStyle != 'undefined') {
    GM_addStyle(css);
  } else if (typeof PRO_addStyle != 'undefined') {
    PRO_addStyle(css);
  } else if (typeof addStyle != 'undefined') {
    addStyle(css);
  } else {
    var node = document.createElement('style');
    node.type = 'text/css';
    node.appendChild(document.createTextNode(css));
    document.documentElement.appendChild(node);
  }

  var divSwitcher = null;
  var divStory = null;
  var divComments = null;
  var i;

  const rootCallback = function (mutationsList, observer) {
    moveCommentsSwitcher();
  }

  const rootNode = document.querySelector("body");
  if (rootNode != null) {
    const rootObserver = new MutationObserver(rootCallback);
    rootObserver.observe(rootNode, {childList: true, subtree: true});
  }

  function moveCommentsSwitcher() {
    var intervalCount = 0;

    let wait4Switcher = setInterval(function() { //Wait for switcher to load
      intervalCount++;
      divSwitcher = document.getElementById("add_comment_switcher_placeholder");

      if (divSwitcher != null) {
        if (divSwitcher.getAttribute("moved-by-script") != "true") {
          divStory = divSwitcher.parentNode;
          divComments = null;
          for (i = 0; i < divStory.childNodes.length; i++) {
            if (divStory.childNodes[i].className.indexOf("_333v _45kb") > -1) { //Section to put comments switcher before
              divComments = divStory.childNodes[i];
              break;
            }
          }
          if (divComments != null) {
            divSwitcher.setAttribute("moved-by-script", "true"); //In order not to process it many times
            divStory.insertBefore(divSwitcher, divComments);
            clearInterval(wait4Switcher); //Stop waiting if placeholder has been just moved
          }
        } else clearInterval(wait4Switcher); //Stop waiting if placeholder has been already moved previously
      }
      if (intervalCount > 50) clearInterval(wait4Switcher); //Stop waiting for too long
    }, 250); //Interval to check
  }

  /*let waitForStory = setInterval(function() { //Check page content constantly
    divSwitcher = document.getElementById("add_comment_switcher_placeholder:not([moved-by-script])");

    if (divSwitcher != null && divSwitcher.getAttribute("moved-by-script") != "true") {
      divStory = divSwitcher.parentNode;
      for (i = 0; i < divStory.childNodes.length; i++) {
        if (divStory.childNodes[i].className.indexOf("_333v _45kb") > -1) { //Section to put comments switcher before
          divComments = divStory.childNodes[i];
          break;
        }
      }
      if (divComments != null) {
        divSwitcher.setAttribute("moved-by-script", "true"); //In order not to process it many times
        divStory.insertBefore(divSwitcher, divComments);
        clearInterval(waitForStory); //Stop waiting
      }
    }
  }, 500); //Interval to check page content*/

})();