#tabContextMenu #context_sendTabToDevice 
 {visibility: collapse !important; display: none !important; }

(function () {
        if (location != "chrome://browser/content/browser.xul") return;
        var URLBarInput = gURLBar.mInputField;
        var locationBar = URLBarInput.parentNode.appendChild(document.createElement("hbox"));
        locationBar.style.display = "none";
        URLBarInput.parentNode.addEventListener("click", function () {
            if (URLBarInput.style.display === "none") {
                URLBarInput.style.display = "";
                locationBar.style.display = "none";
                gURLBar.select();
            }
        }, false);
        URLBarInput.parentNode.addEventListener("mouseout", function () {
            if (document.activeElement !== gURLBar.inputField) {
                locationBar.style.display = "none";
                URLBarInput.style.display = "";
                gURLBar._urlTooltip && gURLBar._hideURLTooltip();
            }
        }, false);
        URLBarInput.addEventListener("mouseover", function (event) {
            if (event.ctrlKey || document.activeElement === gURLBar.inputField) {
                return;
            }
            locationBar.parentNode.removeChild(locationBar);
            locationBar = URLBarInput.parentNode.appendChild(document.createElement("hbox"));
            locationBar.style.overflow = "hidden";
            locationBar.style.width = URLBarInput.clientWidth + "px";
            gURLBar.value.split("?")[0].split("/").map(function (value, index, arr) {
                return index + 1 === arr.length ? (gURLBar.value.split("?")[1] ? (value + "?" + gURLBar.value.split("?")[1]) : value) : value;
            }).map(function (value, index, arr) {
                var sec = locationBar.appendChild(document.createElement("label"));
                //sec.style.margin = "5px";
                sec.style.margin = "5px 0 0 0";
                sec.value = value;
                if (index < arr.length - 1) sec.value = value.replace(/[^\/]$/, "$&/");
                index === 0 && (sec.style.marginLeft = "1px");
                if (index === 0 && /:\/$/.test(sec.value)) {
                    sec.value += "/";
                } else {
                    sec.onmouseover = function () {
                        this.style.textDecoration = "underline";
                        this.style.color = "blue";
                        this.style.fontWeight = "bold";
                        this.style.cursor = "pointer";
                        //this.setAttribute("style", "font-weight: bold;");
                    }
                    sec.onmouseout = function () {
                        this.style.textDecoration = "";
                    }
                    sec.onclick = function (event) {
                        if (event.button === 0) {
                                var vert=URLBarInput.value.split(this.value)[0] + this.value;
                                                    getBrowser (). loadURI(vert, {
                                                    triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal()
                                                                  });
                            //loadURI(URLBarInput.value.split(this.value)[0] + this.value);
                            while (this.nextSibling) {
                                this.nextSibling.parentNode.removeChild(this.nextSibling);
                            }
                            event.stopPropagation();
                        }
                    }
                    URLBarInput.style.display = "none";
                    locationBar.style.display = "";
                }
            })
        }, false);
    })();

/*Initialization Code*/
var ids = [
"#context-sendlinktodevice", /* Отправить ссылку на устройство*/
"#AMD-browse-goHome", /* Домашняя страница*/
"#context-sendpagetodevice", /* Отправить страницу на устройство*/
"#context-navigation", /* панель навигации*/
"#context-pocket", /* Сохранить страницу в Pocket*/
"#context-savelinktopocket", /* Сохранить ссылку в Pocket*/


]//menuitem hider mark

var button = this;
var currentImage = "data:image/x-icon;base64,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";
var imgFalse = "data:image/x-icon;base64,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";

var s = 'custombutton.menuitem_hider.active';
cbu.isPref(s, true);

var ios = Cc['@mozilla.org/network/io-service;1'].getService(Ci.nsIIOService);
var sss = Cc["@mozilla.org/content/style-sheet-service;1"].getService(Ci.nsIStyleSheetService);
var us = sss.USER_SHEET;

function makeCssURI() {
        cssStr = ids + " { display: none !important }"
        return ios.newURI("data:text/css," + encodeURIComponent(cssStr), null, null);
}
var currCssURI = makeCssURI();
if ( cbu.getPrefs(s) ) regSheet( currCssURI, true );

function regSheet(newCssURI, reg) {

    if (sss.sheetRegistered(currCssURI, us)) sss.unregisterSheet(currCssURI, us);
    if (!reg) return;
    if (!sss.sheetRegistered(newCssURI, us)) sss.loadAndRegisterSheet(newCssURI, us);
    currCssURI = newCssURI;
}
function onClick(e) {
    if (e.button != 1) return;
    var target = e.target;
    var nn = target.nodeName;
    if (nn != "menuitem" && nn != "menu" && nn != "menuseparator") return;
    var id = target.id;
    if (!id) return;
    var label = target.label || target.nodeName;

    var link = custombuttons.makeButtonLink("edit", button.id);
    var param = custombuttons.cbService.getButtonParameters(link);
    param = param.wrappedJSObject || param;
    var init = param.initCode;
    var index = init.indexOf("\n]//menuitem hider mark");
    var part1 = init.substring(0, index);
    var part2 = init.substring(index, init.length);
    param.initCode = part1 + '"#' + id + '", /* ' + label + '\*\/' + '\n' + part2;
    custombuttons.cbService.installButton(param);    
}
addEventListener("click", onClick, false);

this.onDestroy = function(reason) {
    removeEventListener("click", onClick, false);
    regSheet(currCssURI, false);
    if (reason == "delete") cbu.clearPrefs(s);
}
button.onclick = function(e) {
    if (e.button) return;
    cbu.setPrefs(s, !cbu.getPrefs(s));
        button.image = cbu.getPrefs(s) ? currentImage : imgFalse;
    cbu.getPrefs(s) ? button.init() : button.onDestroy();
    
}
button.image = cbu.getPrefs(s) ? currentImage : imgFalse;
if ( !cbu.getPrefs(s) ) button.onDestroy();

/*Initialization Code*/

this.type != "menu" ? this.type = "menu" : (popup => {
    var inserter = {
        get docShell() {
            delete this.docShell;
            return this.docShell = "docShell" in document
                && document.docShell instanceof Ci.nsIDocShell
                ? document.docShell : window.docShell;
        },
        get insertText() {
            delete this.insertText;
            return this.insertText = text => {
                if (!this.docShell.isCommandEnabled("cmd_insertText")) return;
                var params = "createCommandParams" in Components.utils
                    ? Cu.createCommandParams()
                    : Components.classes["@mozilla.org/embedcomp/command-params;1"]
                        .createInstance(Components.interfaces.nsICommandParams);
                params.setStringValue("state_data", text);
                this.docShell.doCommandWithParams("cmd_insertText", params);
            }
        },
        insert(text) {
            var br = document.activeElement;
            !br || br.localName != "browser" || !br.isRemoteBrowser
            ? this.insertText(text) : br.messageManager.loadFrameScript(
                `data:,(${this.insertText})${encodeURIComponent(text.toSource())}`
            , false, true);
        }
    };
    this.onmousedown = e => {
        if (e.button) return;
        this.onmousedown = null;

        var data, save = () => {
            var link = custombuttons.makeButtonLink("update", _id);
            var params = custombuttons.cbService.getButtonParameters(link).wrappedJSObject;
            params.help = JSON.stringify(data, null, "\t");
            custombuttons.cbService.installButton(params.wrappedJSObject = params);
        }
        popup.setAttribute("context", "");
        popup.setAttribute("onpopupshowing", "firstChild.disabled = !gClipboard.read();");

        popup.add = () => save(data.push(gClipboard.read()));

        var menuitem = popup.appendChild(document.createElement("menuitem"));
        menuitem.setAttribute("label", "Добавить из буфера");
        menuitem.setAttribute("oncommand", "parentNode.add();");

        if (!(data = JSON.parse(this.Help || "[]")).length) return;

        popup.insert = ind => inserter.insert(data[ind]);
        popup.delete = ind => save(data.splice(ind, 1));

        var df = document.createDocumentFragment();
        df.append(document.createElement("menuseparator"));

        var menugroup = df.appendChild(document.createElement("menugroup"));
        menugroup.setAttribute("oncommand", "parentNode.insert(event.target.index);");
        menugroup.setAttribute("orient", "vertical");
        menugroup.setAttribute("context", "_child");

        var context = menugroup
            .appendChild(document.createElement("menupopup"))
            .appendChild(document.createElement("menuitem"));
        context.setAttribute("label", "Удалить элемент?");
        context.setAttribute("oncommand", "event.stopPropagation(); menupopup.delete(popupNode.index);");
        context.menupopup = popup;

        data.forEach((text, ind) => {
            var menuitem = menugroup.appendChild(document.createElement("menuitem"));
            menuitem.setAttribute("label", text.trimLeft().replace(/\s+/g, " ").slice(0, 70));
            menuitem.index = ind;
        });
        popup.append(df);
    }
})(this.appendChild(document.createElement("menupopup")));