Div. Skripte funktionieren im aktuellem Nightly nicht mehr

// ==UserScript==
// @name           Jizzmenu.uc.js
// @namespace      Appmenu@gmail.com
// @description    Basiert auf dem Script externalFuncButtonM.uc.js, Wiederherstellung der Orangenen FF-Menü Schaltfläche
// @include        main
// @version        update for Firefox 68+ by aborix
// @author         defpt
// @charset        UTF-8
// @version        2019.08.04
// @version        2020.05.27
// @version        2020.07.13 Weitere Menüs und Funktionen ergänzt by bege
// @version        2024.08.10 alle Einstellungen im Abschnitt Konfiguration vornehmen
// @version        2024.08.18 einige Veränderungen am Skript, Symbole, Funktionen & Menüs by Mira Bellenbaum
// ==/UserScript==

// Definiere den Profilpfad
let ProfilePath = PathUtils.toFileURI(
  PathUtils.join(PathUtils.profileDir, "chrome", "icons")
);

var Appmenu = {
  // Beginn der Konfiguration ------------------

  // Editor mit angegebenem Pfad verwenden
  // editor: 'C:\\Program Files\\Notepad++\\notepad++.exe',
  editor: "C:\\Program Files\\Microsoft VS Code\\Code.exe",
  // oder
  // in 'view_source.editor.path' eingetragenen Editor verwenden
  editor: Services.prefs.getCharPref("view_source.editor.path"),
  // Dateimanager mit angegebenem Pfad verwenden oder leer ('') wenn System-Dateimanager verwenden
  //fileManager: 'C:\\Program files\\FreeCommander XE\\FreeCommander.exe',
  fileManager: "",
  // Parameter für Dateimanager oder leer ('')
  //FMParameter: '/T',
  FMParameter: "",
  // Submenüs ohne Inhalt im Hauptmenü automatisch ausblenden
  autohideEmptySubDirs: true,
  // Submenüs im Hauptmenü nach unten verschieben
  moveSubDirstoBottom: false,
  // Ort und Aussehen des Menü-Buttons einstellen
  //   isUrlbar: 1,  // 0： TabsToolbar； 1： navbar,
  isUrlbar: 2, // 0: TabsToolbar; 1: navbar; 2: toolbar-menubar
  isButton: 0, // 0: Hamburger,klein; 1: Firefox,groß,
  // Hotkey zum Öffnen des Appmenüs oder leer ('')
  hotkey: "x",
  hotkeyModifier: "alt",

  // Ende der Konfiguration --------------------

  // Submenüs im Hauptmenü nach unten verschieben
  subdirPopupHash: [],
  subdirMenuHash: [],

  toolbar: {
    // Submenüs des Hauptmenüs definieren; Separator einfügen mit {name: 'separator'}
    subdirs: [
      {
        name: "Firefox Verzeichnisse",
        image: `${ProfilePath}/folder_currentColor.svg`, // Der Pfad wird direkt verwendet, ohne `url()`
      },
      {
        name: "Firefox Funktionen",
        image: `${ProfilePath}/settings_currentColor.svg`, // Der Pfad wird direkt verwendet, ohne `url()`
      },
      {
        name: "separator",
      },
    ],

    apps: [
      /*  Directories  */

      // Untermenü Firefox Verzeichnisse
      {
        name: "Profil-Verzeichniss",
        id: "AMProfil",
        root: "ProfD",
        path: "\\",
        subdir: "Firefox Verzeichnisse",
      },
      {
        name: "Chrome-Ordner",
        id: "AMchrome",
        root: "ProfD",
        path: "\\chrome",
        subdir: "Firefox Verzeichnisse",
      },
      {
        name: "CSS-Ordner",
        id: "AMCSS",
        root: "ProfD",
        path: "\\chrome\\css",
        subdir: "Firefox Verzeichnisse",
      },
      {
        name: "JS-Ordner",
        id: "AMJS",
        root: "ProfD",
        path: "\\chrome\\scripts",
        subdir: "Firefox Verzeichnisse",
      },
      {
        name: "Addon-Verzeichniss",
        id: "AMAddons",
        root: "ProfD",
        path: "\\extensions",
        subdir: "Firefox Verzeichnisse",
      },
      {
        name: "Programm-Verzeichniss",
        id: "AMProgramm",
        root: "CurProcD",
        path: "\\",
        subdir: "Firefox Verzeichnisse",
      },
      {
        name: "Startup-Cache",
        id: "AMCache",
        root: "ProfLD",
        path: "\\startupCache",
        subdir: "Firefox Verzeichnisse",
      },
    ],

    configs: [
      // Untermenü Firefox Funktionen
      {
        name: "Anpassen",
        id: "AMAnpassen",
        command: "gCustomizeMode.enter()",
        subdir: "Firefox Funktionen",
      },
      {
        name: "Neustart im abgesicherten Modus",
        id: "AMModus",
        command: "safeModeRestart();",
        subdir: "Firefox Funktionen",
      },
      {
        name: "Browser-Konsole",
        id: "AMKonsole",
        command:
          "var { require } = ChromeUtils.importESModule('resource://devtools/shared/loader/Loader.sys.mjs', {});\
                var { BrowserConsoleManager } = require('resource://devtools/client/webconsole/browser-console-manager');\
                BrowserConsoleManager.openBrowserConsoleOrFocus();",
        subdir: "Firefox Funktionen",
      },
      {
        name: "Browser-Werkzeuge",
        id: "AMWerkzeuge",
        command:
          "var { require } = ChromeUtils.importESModule('resource://devtools/shared/loader/Loader.sys.mjs', {});\
                var { BrowserToolboxLauncher } = require('resource://devtools/client/framework/browser-toolbox/Launcher.sys.mjs');\
                BrowserToolboxLauncher.init();",
        subdir: "Firefox Funktionen",
      },
      {
        name: "Web-Entwickler",
        id: "AMEntwickler",
        command:
          "var { require } = ChromeUtils.importESModule('resource://devtools/shared/loader/Loader.sys.mjs', {});\
                var { gDevToolsBrowser } = require('resource://devtools/client/framework/devtools-browser');\
                gDevToolsBrowser.toggleToolboxCommand(window.gBrowser, Cu.now());",
        subdir: "Firefox Funktionen",
      },
      {
        name: "Firefox synchronisieren",
        id: "AMsynchron",
        command: "gSync.openPrefs('menubar');",
        subdir: "Firefox Funktionen",
      },
      {
        name: "Zugangsdaten und Passwörter",
        id: "AMdaten",
        command:
          "LoginHelper.openPasswordManager(window, { entryPoint: 'mainmenu' })",
        tooltiptext: "about:logins",
        subdir: "Firefox Funktionen",
      },
      {
        name: "Task Manager",
        id: "AMManager",
        command: "switchToTabHavingURI('about:processes', true)",
        tooltiptext: "about:processes",
        subdir: "Firefox Funktionen",
      },
      {
        name: "Offline arbeiten",
        id: "AMOffline",
        command: "BrowserOffline.toggleOfflineStatus();",
        subdir: "Firefox Funktionen",
      },
      /*
        {
        name: 'separator',
        },
        */
      {
        name: "Neustart",
        id: "AMreboot",
        tooltiptext: "userChrome.js-Cache wird geleert",
        command:
          "Services.appinfo.invalidateCachesOnRestart(); \
                Services.startup.quit(Ci.nsIAppStartup.eRestart | Ci.nsIAppStartup.eAttemptQuit);",
      },
      {
        name: "Beenden",
        id: "AMquit",
        command: "goQuitApplication(event);",
      },
    ],
  },

  _externalAppPopup: null,
  _isready: false,

  init: function () {
    this.handleRelativePath(this.toolbar.apps);
    const XULNS =
      "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";

    var ExternalAppBtn = document.createElementNS(XULNS, "toolbarbutton");

    ExternalAppBtn.id = "AppMenuButton";
    ExternalAppBtn.setAttribute("label", "AppButton");
    ExternalAppBtn.setAttribute("onclick", "event.preventDefault();event.stopPropagation();");
    ExternalAppBtn.setAttribute("tooltiptext", "Firefox Menü");
    ExternalAppBtn.setAttribute("type", "menu");
    ExternalAppBtn.setAttribute("removable", "true");

    // Definiere den Profilpfad
    let ProfilePath = PathUtils.toFileURI(
      PathUtils.join(PathUtils.profileDir, "chrome", "image")
    );

    // Symbole
    let DefaultIcon = "Button_groß.png";
    let AlternateIcon = "Button_klein-plus.png";

    // Wenn Appmenu.isButton true ist, benutze das große Symbol, sonst das kleine
    if (Appmenu.isButton) {
      ExternalAppBtn.style.listStyleImage = `url('${ProfilePath}/${DefaultIcon}')`; // Großes Symbol
      ExternalAppBtn.style.width = "94px"; // Feste Breite für großes Symbol
      ExternalAppBtn.style.height = "24px"; // Feste Höhe für großes Symbol
    } else {
      ExternalAppBtn.style.listStyleImage = `url('${ProfilePath}/${AlternateIcon}')`; // Kleines Symbol
      ExternalAppBtn.style.width = "16px"; // Feste Breite für kleines Symbol
      ExternalAppBtn.style.height = "21px"; // Feste Höhe für kleines Symbol
    }

    // Button in die richtige Toolbar einfügen
    if (Appmenu.isUrlbar === 1) {
      var navBar = document.getElementById("nav-bar-customization-target");
      navBar.insertBefore(ExternalAppBtn, navBar.firstChild);
    } else if (Appmenu.isUrlbar === 2) {
      var menubar = document.getElementById("toolbar-menubar");
      menubar.insertBefore(ExternalAppBtn, menubar.firstChild);
    } else {
      var TabsToolbar = document.getElementById("TabsToolbar");
      TabsToolbar.insertBefore(ExternalAppBtn, TabsToolbar.firstChild);
    }

    var ExternalAppPopup = document.createElementNS(XULNS, "menupopup");
    //ExternalAppPopup.setAttribute('onpopupshowing', 'event.stopPropagation(); Appmenu.onpopupshowing();');
    ExternalAppPopup.setAttribute("id", "AMpopup");
    this._externalAppPopup = ExternalAppPopup;
    ExternalAppBtn.appendChild(ExternalAppPopup);
    Appmenu.onpopupshowing();

    // Menü mit Tastaturkürzel öffnen
    let key = document.createXULElement("key");
    key.id = "key_AppMenuPopup";
    //   key.setAttribute('key', 'X');
    key.setAttribute("key", Appmenu.hotkey);
    if (Appmenu.hotkeyModifier)
      //   key.setAttribute('modifiers', 'alt');
      key.setAttribute("modifiers", Appmenu.hotkeyModifier);
    key.setAttribute("oncommand", 'document.getElementById("AMpopup").openPopup();');
/*
    key.setAttribute ('command', function (event) {
      if (event.button == 0) {
        Appmenu.exec(this.path, this.args);
      }
    });
*/


    document.getElementById("mainKeyset").appendChild(key);
  },

  /* ****** NEU ****** */

  onpopupshowing: function () {
    if (this._isready) return;
    if (this._externalAppPopup === null) return;
    var ExternalAppPopup = this._externalAppPopup;

    // Funktion zum Erstellen eines Menüs mit Untermenüs
    function createMenuItem(parentPopup, item) {
      var menuItem;
      if (item.name == "separator") {
        menuItem = document.createXULElement("menuseparator");
        parentPopup.appendChild(menuItem);
      } else if (item.submenu && item.submenu.length > 0) {
        menuItem = document.createXULElement("menu");
        var subMenuPopup = document.createXULElement("menupopup");
        menuItem.appendChild(subMenuPopup);
        menuItem.setAttribute("class", "menu-iconic");
        menuItem.setAttribute("label", item.name);
        menuItem.setAttribute("image", item.image);
        parentPopup.appendChild(menuItem);
        for (let subItem of item.submenu) {
          createMenuItem(subMenuPopup, subItem);
        }
      } else {
        menuItem = document.createXULElement("menuitem");
        menuItem.setAttribute("class", "menuitem-iconic");
        menuItem.setAttribute("label", item.name);
        menuItem.setAttribute("image", item.image);
        if (item.command) {
          menuItem.setAttribute("oncommand", item.command);


        } else if (item.path) {
        menuItem.setAttribute('oncommand', 'Appmenu.exec(this.path, this.args);');  
          menuItem.path = item.path;
          menuItem.args = item.args;
        }
        menuItem.setAttribute("tooltiptext", item.tooltiptext || item.name);
        menuItem.setAttribute("id", item.id || "");
        parentPopup.appendChild(menuItem);
      }
    }

    // Verarbeitung der Subdirs
    for (let subdir of this.toolbar.subdirs) {
      if (subdir.name == "separator") {
        ExternalAppPopup.appendChild(
          document.createXULElement("menuseparator")
        );
      } else {
        var subdirItem = ExternalAppPopup.appendChild(
          document.createXULElement("menu")
        );
        var subdirItemPopup = subdirItem.appendChild(
          document.createXULElement("menupopup")
        );
        subdirItem.setAttribute("class", "menu-iconic");
        subdirItem.setAttribute("label", subdir.name);
        subdirItem.setAttribute("image", subdir.image);
        Appmenu.subdirPopupHash[subdir.name] = subdirItemPopup;
        Appmenu.subdirMenuHash[subdir.name] = subdirItem;
      }
    }

    // Verarbeitung der Apps
    for (let app of this.toolbar.apps) {
      if (app.subdir && Appmenu.subdirPopupHash[app.subdir]) {
        createMenuItem(Appmenu.subdirPopupHash[app.subdir], app);
      } else {
        createMenuItem(ExternalAppPopup, app);
      }
    }

    // Verarbeitung der Configs
    for (let config of this.toolbar.configs) {
      if (config.subdir && Appmenu.subdirPopupHash[config.subdir]) {
        createMenuItem(Appmenu.subdirPopupHash[config.subdir], config);
      } else {
        createMenuItem(ExternalAppPopup, config);
      }
    }

    if (this.autohideEmptySubDirs) {
      for (let key in Appmenu.subdirPopupHash) {
        if (Appmenu.subdirPopupHash[key].hasChildNodes()) {
          continue;
        } else {
          Appmenu.subdirMenuHash[key].setAttribute("hidden", "true");
        }
      }
    }

    if (this.moveSubDirstoBottom) {
      let i = ExternalAppPopup.childNodes.length;
      while (
        ExternalAppPopup.firstChild.getAttribute("class") !=
          "menuitem-iconic" &&
        i-- != 0
      ) {
        ExternalAppPopup.appendChild(ExternalAppPopup.firstChild);
      }
    }

    this._isready = true;
  },

  handleRelativePath: function (apps) {
    for (let app of apps) {
      if (app.path) {
        app.path = app.path.replace(/\//g, "\\");
        var ffdir = Cc["@mozilla.org/file/directory_service;1"]
          .getService(Ci.nsIProperties)
          .get(app.root, Ci.nsIFile).path;
        if (/^(\\)/.test(app.path)) {
          app.path = ffdir + app.path;
        }
      }
    }
  },

  exec: function (path, args) {
    args = args || [];
    var args_t = args.slice(0);
    for (let arg of args_t) {
      arg = arg.replace(/%u/g, gBrowser.currentURI.spec);
    }
    var file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
    file.initWithPath(path);
    if (!file.exists()) {
      alert("Datei nicht gefunden: " + path);
      return;
    }
    if (file.isExecutable() && !path.endsWith(".js")) {
      var process = Cc["@mozilla.org/process/util;1"].createInstance(
        Ci.nsIProcess
      );
      process.init(file);
      process.run(false, args_t, args_t.length);
    } else if (file.isFile()) {
      if (this.editor) {
        let UI = Cc[
          "@mozilla.org/intl/scriptableunicodeconverter"
        ].createInstance(Ci.nsIScriptableUnicodeConverter);
        UI.charset = window.navigator.platform.toLowerCase().includes("win")
          ? "Shift_JIS"
          : "UTF-8";
        let path = UI.ConvertFromUnicode(file.path);
        let app = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
        app.initWithPath(this.editor);
        let process = Cc["@mozilla.org/process/util;1"].createInstance(
          Ci.nsIProcess
        );
        process.init(app);
        process.run(false, [path], 1);
      } else {
        file.launch();
      }
    } else if (file.isDirectory()) {
      if (this.fileManager) {
        let args = [this.FMParameter, path];
        let app = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
        app.initWithPath(this.fileManager);
        let process = Cc["@mozilla.org/process/util;1"].createInstance(
          Ci.nsIProcess
        );
        process.init(app);
        process.run(false, args, args.length);
      } else {
        file.launch();
      }
    }
  },
};

(function () {
  // Definiere den Profilpfad für die Symbole
  let ProfilePath = PathUtils.toFileURI(
    PathUtils.join(PathUtils.profileDir, "chrome", "icons")
  );

  // Standard-Symbol-Dateiname
  let ButtonIcon01 = "restart.svg";
  let ButtonIcon02 = "quit.svg";

  let Icon01 = "profile.svg";
  let Icon02 = "chrome.svg";
  let Icon03 = "css3.svg";
  let Icon04 = "js.svg";
  let Icon05 = "addons.svg";
  let Icon06 = "folder.svg";
  let Icon07 = "folder-1.svg";

  let Icon11 = "Themes.svg";
  let Icon12 = "debugging-workers.svg";
  let Icon13 = "command-console.svg";
  let Icon14 = "window-dev-tools.svg";
  let Icon15 = "developer.svg";
  let Icon16 = "sync.svg";
  let Icon17 = "passwords.svg";
  let Icon18 = "performance.svg";
  let Icon19 = "plug-disconnected.svg";

  // StyleSheetService zum Hinzufügen der CSS-Regeln
  let sss = Components.classes[
    "@mozilla.org/content/style-sheet-service;1"
  ].getService(Components.interfaces.nsIStyleSheetService);
  let uri = Services.io.newURI(
    "data:text/css;charset=utf-8," +
      encodeURIComponent(`


        #AMProfil   { background-image: url('${ProfilePath}/${Icon01}'); 
                      background-repeat: no-repeat !important; 
                      background-position: 11px 3px !important; 
                      background-size: 16px 16px !important; /* Größe des Symbols anpassen */ 
                      -moz-context-properties: fill, fill-opacity;
			          fill: currentColor;
                      }
        #AMchrome   { background-image: url('${ProfilePath}/${Icon02}'); 
                      background-repeat: no-repeat !important; 
                      background-position: 11px 3px !important; 
                      background-size: 16px 16px !important; /* Größe des Symbols anpassen */
                      -moz-context-properties: fill, fill-opacity;
			          fill: currentColor; 
                      }
        #AMCSS      { background-image: url('${ProfilePath}/${Icon03}'); 
                      background-repeat: no-repeat !important; 
                      background-position: 11px 3px !important; 
                      background-size: 16px 16px !important; /* Größe des Symbols anpassen */
                      -moz-context-properties: fill, fill-opacity;
			          fill: currentColor;                       
                      }
        #AMJS       { background-image: url('${ProfilePath}/${Icon04}'); 
                      background-repeat: no-repeat !important; 
                      background-position: 11px 3px !important; 
                      background-size: 16px 16px !important; /* Größe des Symbols anpassen */
                      -moz-context-properties: fill, fill-opacity;
			          fill: currentColor;                       
                      }
        #AMAddons   { background-image: url('${ProfilePath}/${Icon05}');
                      background-repeat: no-repeat !important; 
                      background-position: 11px 3px !important; 
                      background-size: 16px 16pxx !important; /* Größe des Symbols anpassen */
                      -moz-context-properties: fill, fill-opacity;
			          fill: currentColor;                       
                      }
        #AMProgramm { background-image: url('${ProfilePath}/${Icon06}'); 
                      background-repeat: no-repeat !important; 
                      background-position: 11px 3px !important; 
                      background-size: 16px 16px !important; /* Größe des Symbols anpassen */
                      -moz-context-properties: fill, fill-opacity;
			          fill: currentColor;                       
                      }
        #AMCache    { background-image: url('${ProfilePath}/${Icon07}');
                      background-repeat: no-repeat !important; 
                      background-position: 11px 3px !important; 
                      background-size: 16px 16px !important; /* Größe des Symbols anpassen */
                      -moz-context-properties: fill, fill-opacity;
			          fill: currentColor;                       
                      }

        #AMAnpassen     { background-image: url('${ProfilePath}/${Icon11}');
                          background-repeat: no-repeat !important; 
                          background-position: 11px 3px !important;
                          background-size: 16px 16px !important;
                          -moz-context-properties: fill, fill-opacity;
			              fill: currentColor;                          
                        }
        #AMModus        { background-image: url('${ProfilePath}/${Icon12}');
                          background-repeat: no-repeat !important; 
                          background-position: 11px 3px !important;
                          background-size: 16px 16px !important;
                          -moz-context-properties: fill, fill-opacity;
			              fill: currentColor;
                        }
        #AMKonsole      { background-image: url('${ProfilePath}/${Icon13}');
                          background-repeat: no-repeat !important; 
                          background-position: 11px 3px !important;
                          background-size: 16px 16px !important;
                          -moz-context-properties: fill, fill-opacity;
			              fill: currentColor;
                        }
        #AMWerkzeuge    { background-image: url('${ProfilePath}/${Icon14}');
                          background-repeat: no-repeat !important; 
                          background-position: 11px 3px !important; 
                          background-size: 16px 16px !important;
                          -moz-context-properties: fill, fill-opacity;
			              fill: currentColor;
                        }
        #AMEntwickler   { background-image: url('${ProfilePath}/${Icon15}');
                          background-repeat: no-repeat !important; 
                          background-position: 11px 3px !important;
                          background-size: 16px 16px !important;
                          -moz-context-properties: fill, fill-opacity;
			              fill: currentColor;
                        }
        #AMsynchron     { background-image: url('${ProfilePath}/${Icon16}');
                          background-repeat: no-repeat !important; 
                          background-position: 11px 3px !important; 
                          background-size: 16px 16px !important;
                          -moz-context-properties: fill, fill-opacity;
			              fill: currentColor;
                        }
        #AMdaten        { background-image: url('${ProfilePath}/${Icon17}');
                          background-repeat: no-repeat !important; 
                          background-position: 11px 3px !important; 
                          background-size: 16px 16px !important;
                          -moz-context-properties: fill, fill-opacity;
			              fill: currentColor;
                        }        
        #AMManager      { background-image: url('${ProfilePath}/${Icon18}');
                          background-repeat: no-repeat !important; 
                          background-position: 11px 3px !important; 
                          background-size: 16px 16px !important;
                          -moz-context-properties: fill, fill-opacity;
			              fill: currentColor;
                        }
        #AMOffline      { background-image: url('${ProfilePath}/${Icon19}');
                          background-repeat: no-repeat !important; 
                          background-position: 11px 3px !important;
                          background-size: 16px 16px !important;
                          -moz-context-properties: fill, fill-opacity;
			              fill: currentColor;
                        }


        /* Neustart-Button */
        #AMreboot { 
            background-image: url('${ProfilePath}/${ButtonIcon01}');
            background-repeat: no-repeat !important;
            background-position: 10px 2px !important;
            background-size: 20px 20px !important; /* Größe des Symbols anpassen */
            padding-left: 10px !important; /* Platz für das Symbol lassen */
            -moz-context-properties: fill, fill-opacity !important;
            fill: #fbc96e !important;
        }

        /* Beenden-Button */
        #AMquit { 
            background-image: url('${ProfilePath}/${ButtonIcon02}');
            background-repeat: no-repeat !important;
            background-position: 12px 3px !important;
            background-size: 16px 16px !important; /* Größe des Symbols anpassen */
            padding-left: 10px !important; /* Platz für das Symbol lassen */
            -moz-context-properties: fill, fill-opacity !important;
            fill: red !important;
        }

    //    /* Menüleiste ausblenden */
    //    #main-menubar > menu { 
    //        display: none !important; 
    //    }

    `),
    null,
    null
  );

  // CSS-Regeln registrieren
  sss.loadAndRegisterSheet(uri, sss.AUTHOR_SHEET);
})();

if (window.gBrowser) Appmenu.init();

(function() {

  if(location.href != 'chrome://browser/content/browser.xhtml') return;

   try {
      CustomizableUI.createWidget({
         id: 'menu-button',
         type: 'custom',
         defaultArea: CustomizableUI.AREA_NAVBAR,
         onBuild: function(aDocument) {
            var button = aDocument.createXULElement('toolbarbutton');
            var attributes = {
               id: 'menu-button',
               class: 'toolbarbutton-1 chromeclass-toolbar-additional',
               removable: 'true',
               label: 'Videos aufnehmen können',
               tooltiptext: Services.prefs.getBoolPref('media.mediasource.enabled') ?
                  'Videos gesperrt' : 'Videos frei'
            };
            for (var a in attributes) {
               button.setAttribute(a, attributes[a]);
            };
            return button;
         }
      });
   } catch(e) { };
  
   document.getElementById('menu-button').addEventListener('command', function(event) {
	   var isEnabled = !Services.prefs.getBoolPref('media.mediasource.enabled');
	   Services.prefs.setBoolPref('media.mediasource.enabled', isEnabled);
	   event.target.ownerGlobal.BrowserCommands.reload(); 
	   var windows = Services.wm.getEnumerator('navigator:browser');
	   while (windows.hasMoreElements()) {
		  let button = windows.getNext().document.getElementById('menu-button');
		  if (isEnabled)
			 button.setAttribute('tooltiptext', 'Videos gesperrt')
		  else
			 button.setAttribute('tooltiptext', 'Videos frei');
	   };
   }, true);
		  
   if (document.documentElement.hasAttribute('privatebrowsingmode') &&
       !Services.prefs.getBoolPref('media.mediasource.enabled'))
   {
      let button = document.getElementById('menu-button');
      button.click();
      window.addEventListener('unload', function() {
         button.click();
      });
   };

   var css =
   '#menu-button[tooltiptext="Videos gesperrt"] {list-style-image: url("file:///C:/Users/weiss/AppData/Roaming/Mozilla/Firefox/Profiles/i3gghgwc.default/chrome/Icons/.2.svg")}' +
   '#menu-button[tooltiptext="Videos frei"] {list-style-image: url("file:///C:/Users/weiss/AppData/Roaming/Mozilla/Firefox/Profiles/i3gghgwc.default/chrome/Icons/.1.svg")}';
   var stylesheet = document.createProcessingInstruction('xml-stylesheet', 'type="text/css" href="data:text/css;utf-8,' + encodeURIComponent(css) + '"');
   document.insertBefore(stylesheet, document.documentElement);

})();