{ separator: ''},
       { label: "Сохранить всю страницу как PDF", func: "savePageToPDF", image: "data:image/x-icon;base64,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"},
       { label: "Копировать ссылки (выделенные или все)", func: "CopyAllLinks", image: "data:image/png;base64,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"},
       {

// Сохраняет страницу как PDF файл через сервис 'pdfmyurl.com' ................................
function savePageToPDF() {
   // разрешить страницу для расширения NoScript ....   
   if ( "noscriptUtil" in window ) {
        var autoReload = custombuttons.getPrefs("noscript.autoReload");
        if ( autoReload ) custombuttons.setPrefs("noscript.autoReload", false);
        noscriptOverlay.allowPage();
        if ( autoReload ) setTimeout(function() { custombuttons.setPrefs("noscript.autoReload", true) }, 10)
        }
   // сохранить ....     
   var loc = content.location;
   if (loc.protocol.slice(0, 4) == "http")
   loadURI("http://pdfmyurl.com?url=" + loc);
};


// Копировать ссылки
function CopyAllLinks() {
var win = document.commandDispatcher.focusedWindow, doc = win.document;
var sel = doc, winSel = win.getSelection();
if(winSel.toString()){
    sel = doc.createElement('div');
    sel.appendChild(winSel.getRangeAt(0).cloneContents());
};
var str = '', links = sel.getElementsByTagName('a');
for(var i = 0, lnk; lnk = links[i]; i++){if(lnk.href)str += lnk.href + '\r\n'};
gClipboard.write(str);
};

var context = document.getElementById("placesContext");
    menuPopup.setAttribute("onclick", "clickHandler(event);");
    menuPopup.clickHandler = e => {
        if (e.button == 2) {
            e.preventDefault();
            context.state == "open" && context.hidePopup();
            e.target.dispatchEvent(new MouseEvent("contextmenu", e));
        } else
            BookmarksEventHandler.onClick(e, menu._placesView);
    }

addDestructor(() => menu._placesView && menu._placesView.uninit());

((url, icon) => PlacesUtils.promiseFaviconLinkUrl(gBrowser.currentURI).then(
        uri => icon = uri.spec, () => icon = "chrome://global/skin/icons/Portrait.png"
    ).then(() => document.getElementById("contentAreaContextMenu").hidePopup() || openDialog(
        url, "", "popup=yes", icon, "Добавил в папку " + folderTitle + ":", docTitle, false, null, 4
    )))("chrome://global/content/alerts/alert.xul");

var func = file => OS.File.read(file.path).then(arr => res.push(
    file.path + "\n" + "—".repeat(20) + "\n" + new TextDecoder("utf-8").decode(arr)
), ex => res.push(ex));
var file = Services.dirsvc.get("GreD", Ci.nsIFile), res = [];
file.append("config.js");
func(file).then(() => {
    file = Services.dirsvc.get("PrfDef", Ci.nsIFile);
    file.append("config-prefs.js");
    func(file).then(() => alert(res.join("\n\n\n")));
});
if (true) return;

this.onclick = e => {
    if (e.button == 0) popup.openPopup(this, "after_start");
    if (e.button == 1)
        muteTab();
    if (e.button == 2 && !e.altKey && !e.shiftKey && !e.ctrlKey && !e.metaKey) {
        e.preventDefault(); e.stopPropagation(); muteAllTabs();
    }
}

var pref = "media.default_volume";
var o = {// https://github.com/Infocatcher/Private_Tab/issues/228#issuecomment-238963363
    get windows() {
        return (function*() {
            var ws = Services.wm.getEnumerator("navigator:browser");
            while(ws.hasMoreElements())
                yield ws.getNext();
        })();
    }
}

this.onmouseover = () => this.tooltipText = 'LMB: Open menu\nMMB: Toggle sound for active tab\nRMB: Mute all tabs in all windows\n' +
    (cbu.isPref(pref) && 'Mouse Scroll: Set default volume level for media (current: ' + cbu.getPrefs(pref) * 100 + '%)\n') +
    'Ctrl + Mouse Scroll: Change volume level for all tabs';

this.onwheel = e => {
    if (!e.ctrlKey && cbu.isPref(pref)) {
        var i = Services.prefs.getCharPref(pref) * 100,
            i = e.deltaY < 0 ? i + 10 : i - 10;
        if ( 0 <= i && i <= 100 )
            Services.prefs.setCharPref(pref, (i/100).toFixed(1));
        return;
    }
    for(var w of o.windows) {
        [...w.gBrowser.tabs].forEach(tab => {
            var vol = tab.linkedBrowser._contentWindow.content.document.defaultView
            .QueryInterface(Ci.nsIInterfaceRequestor)
            .getInterface(Ci.nsIDOMWindowUtils).audioVolume.toFixed(1) * 100,
                vol = e.deltaY < 0 ? vol + 10 : vol - 10;

            if (0 <= vol && vol <= 100)
                tab.linkedBrowser._contentWindow.content.document.defaultView
                    .QueryInterface(Ci.nsIInterfaceRequestor)
                    .getInterface(Ci.nsIDOMWindowUtils).audioVolume = (vol/100).toFixed(1);
        });
    }
};

var popup = self.appendChild(document.createElement("menupopup"));
// [
//     {pref: '', lbl: '', cmd: ''}
// ].forEach(m => {
//     var mItem = popup.appendChild(document.createElement("menuitem"));
//     mItem.oncommand = () => eval(m.cmd);
//     mItem.label = m.pref ? m.lbl + '(about:config prefrences (current:' + cbu.getPrefs(m.pref) + '))' : m.lbl;
// })

function muteTab() window.gBrowser.selectedTab.toggleMuteAudio();

function muteAllTabs() {
    for(var w of o.windows)
        [...w.gBrowser.tabs].filter(tab => tab.hasAttribute("soundplaying")
                                    && !tab.hasAttribute("muted")
                                    && tab.toggleMuteAudio());
}

addEventListener('keydown', e => {
    // Alt + Shift + T - toggle audio for active tab in active window
    // Alt + Shift + B - mute all tabs with sound playing in all windows
    // See: https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/keyCode#Constants_for_keyCode_value
    if (e.altKey && e.shiftKey && !e.ctrlKey && !e.metaKey) {
        switch (e.keyCode) {
            case 84: muteTab(); break;
            case 65: muteAllTabs(); break;
            default: return;
        }
        e.preventDefault(); e.stopPropagation();
    }
}, false, window);