// Этот скрипт работает в главном окне браузера если включено в настройках

var ucf_custom_script_win = {
    initialized: false,
    unloadlisteners: [],
    load: function() {
        if (this.initialized)
            return;
        this.initialized = true;
        // this.specialwidgets.constructor(); // <-- Special Widgets
        this.autohidesidebar.constructor(); // <-- Auto Hide Sidebar
        /* ************************************************ */
        this.googletranslate.constructor();
        // Здесь может быть ваш код который сработает по событию "load" не раньше

        /* ************************************************ */
        if (this.unloadlisteners.length < 1)
            return;
        window.addEventListener("unload", this, false);
    },
    handleEvent: function(event) {
        this[event.type](event);
    },
    unload: function() {
        window.removeEventListener("unload", this, false);
        this.unloadlisteners.forEach((str) => {
            try {
                this[str].destructor();
            } catch (e) {}
        });
    },
    googletranslate: {
        constructor: function() {
            var lc = navigator.lastClick = {}, w = null, xhtmlns = 'http://www.w3.org/1999/xhtml';
            var mouseUp = function(e) {
                if (e.button) return;
                lc.X = e.screenX - mozInnerScreenX;
                lc.Y = e.screenY - mozInnerScreenY;
            };
            gBrowser.tabpanels.addEventListener('mouseup', mouseUp, false);
            this.destructor = function() {
                gBrowser.tabpanels.removeEventListener('mouseup', mouseUp, false);
                if (w)
                    w.closeWin();
            };
            ucf_custom_script_win.unloadlisteners.push("googletranslate");
            var createWindow = function(text, status, title, id, pos, size) {
                var win = window, doc = win.document, wId = 'ujs_window'+(id || '');
                w = doc.getElementById(wId);
                var keyDown = function(e) {if (!e.shiftKey && !e.ctrlKey && !e.altKey && e.keyCode == 27)doc.getElementById(wId).closeWin();};
                var mouseDown = function() {doc.getElementById(wId).closeWin();};

                if (w)
                    w.closeWin();
                w = doc.createElementNS(xhtmlns, 'div');
                w.setAttribute('style', 'position:fixed;display:block;visibility:hidden;left:0;top:0;width:auto;height:auto;border:1px solid gray;padding:2px;margin:0;z-index:99999;overflow:hidden;cursor:move;'+(typeof w.style.borderRadius === 'string' ? 'background-color:#eaeaea;padding-top:0px;border-radius:4px;box-shadow:0 0 15px rgba(0,0,0,.4);' : 'background:-o-skin("Window Skin");'));
                w.id = wId;
                w.closeWin = function() {
                    doc.removeEventListener('keydown', keyDown, false);
                    gBrowser.tabpanels.removeEventListener('mousedown', mouseDown, false);
                    this.parentNode.removeChild(this);
                    w = null;
                };
                w.addEle = function(str, style) {
                    var ele = doc.createElementNS(xhtmlns, 'div');
                    ele.setAttribute('style', style);
                    if (str) {
                        ele.innerHTML = str;
                        for (var el, all = ele.getElementsByTagName('*'), i = all.length; i--;) {
                            el = all[i];
                            if (/^(script|frame|iframe|applet|embed|object)$/i.test(el.nodeName)) {
                                el.parentNode.removeChild(el);
                            } else {
                                for (var att = el.attributes, j = att.length; j--;) {
                                    if (/^on[a-z]+$/i.test(att[j].name))att[j].value = '';
                                }
                            }
                        }
                    }
                    return this.appendChild(ele);
                };
                w.addEle1 = function(str, style) {
                    var ele = doc.createElementNS(xhtmlns, 'textarea');
                    ele.setAttribute('style', style);
                    if (str) {
                        ele.innerHTML = str;
                        for (var el, all = ele.getElementsByTagName('*'), i = all.length; i--;) {
                            el = all[i];
                            if (/^(script|frame|iframe|applet|embed|object)$/i.test(el.nodeName)) {
                                el.parentNode.removeChild(el);
                            } else {
                                for (var att = el.attributes, j = att.length; j--;) {
                                    if (/^on[a-z]+$/i.test(att[j].name))att[j].value = '';
                                }
                            }
                        }
                    }
                    return this.appendChild(ele);
                };
                var img = doc.createElementNS(xhtmlns, 'div');
                img.setAttribute('style', 'display:block;float:right;width:16px;height:16px;padding:0;margin-top:2px;margin-right:1px;border:none;cursor:pointer;background-image:url("data:image/png;base64,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");background:-o-skin("Caption Close Button Skin");');
                img.title = (win.navigator.language.indexOf('ru') == 0) ? '\u0417\u0430\u043A\u0440\u044B\u0442\u044C' : 'Close';
                img.addEventListener('click', function() {this.parentNode.closeWin();}, false);
                w.appendChild(img);
                var title = w.addEle(title, 'display:table;color:#000;font:17px Times New Roman;width:auto;height:auto;padding:0;margin:0 2px;cursor:text;');
                title.onclick = e => {
                    e.preventDefault();
                    var url = e.target.href;
                    // Здесь открываем url как хотим.
                    var ctabpos = gBrowser.selectedTab._tPos +1;
                    gBrowser.moveTabTo(gBrowser.selectedTab = gBrowser.addWebTab(url), ctabpos);
                    doc.getElementById(wId).closeWin();
                };
                var cnt = w.addEle1(text, 'display:block;border:1px solid #aaa;padding-bottom:3px;padding-left:3px;background-color:#fafcfe;color:#000;font:16px Times New Roman;width:310px;height:160px;overflow:auto;cursor:text;-moz-user-focus:normal;-moz-user-select:text;');
                cnt.contentEditable="true";
                cnt.context="contentAreaContextMenu";
                w.addEle(status, 'display:table;font:12px Times New Roman;font-weight:bold;color:blue;width:auto;height:auto;padding-top:2px;margin:0 3px;cursor:pointer;');
                w.addEventListener('mousedown', function(e) {
                    if (e.target == w) {
                        e.preventDefault();
                        var grabX = e.clientX, grabY = e.clientY, origX = parseInt(w.style.left), origY = parseInt(w.style.top);
                        var mouseMove = function(ev) {
                            w.style.left = origX+ev.clientX-grabX+'px';
                            w.style.top = origY+ev.clientY-grabY+'px';
                        };
                        doc.addEventListener('mousemove', mouseMove, false);
                        doc.addEventListener('mouseup', function() {doc.removeEventListener('mousemove', mouseMove, false);}, false);
                    }
                }, false);
                doc.documentElement.appendChild(w);

                if (size) {
                    cnt.style.height = size.height;
                    cnt.style.width = size.width;
                } else {
                    for (var i = 3; i < 10; i++) {
                        if (cnt.scrollHeight > cnt.offsetHeight || cnt.scrollWidth > cnt.offsetWidth) {
                            cnt.style.height = 80*i+'px';
                            cnt.style.width = 160*i+'px';
                        } else
                            break;
                    }
                }

                var docEle = (doc.compatMode == 'CSS1Compat' && win.postMessage) ? doc.documentElement : doc.body;
                var mX = docEle.clientWidth-w.offsetWidth, mY = docEle.clientHeight-w.offsetHeight;
                if (mX < 0) {cnt.style.width = parseInt(cnt.style.width)+mX+'px'; mX = 0;}
                if (mY < 0) {cnt.style.height = parseInt(cnt.style.height)+mY+'px'; mY =0;}
                var hW = parseInt(w.offsetWidth/2);
                w.style.left = (pos && pos.X < mX+hW ? (pos.X > hW ? pos.X-hW : 0) : mX)+'px';
                w.style.top = (pos && pos.Y+10 < mY ? pos.Y+10 : mY)+'px';
                w.style.visibility = 'visible';
                doc.addEventListener('keydown', keyDown, false);
                gBrowser.tabpanels.addEventListener('mousedown', mouseDown, false);
                return w;
            };

            var getHash = function (txt) {
                TKK=eval('((function(){var a\x3d817046147;var b\x3d-335196159;return 410049+\x27.\x27+(a+b)})())');
                function sM(a) {
                    var b;
                    if (null !== yr)
                        b = yr;
                    else {
                        b = wr(String.fromCharCode(84));
                        var c = wr(String.fromCharCode(75));
                        b = [b(), b()];
                        b[1] = c();
                        b = (yr = window[b.join(c())] || "") || "";
                    }
                    var d = wr(String.fromCharCode(116)), c = wr(String.fromCharCode(107)), d = [d(), d()];
                    d[1] = c();
                    c = "&" + d.join("") + "=";
                    d = b.split(".");
                    b = Number(d[0]) || 0;
                    for (var e = [], f = 0, g = 0; g < a.length; g++) {
                        var l = a.charCodeAt(g);
                        128 > l ? e[f++] = l : (2048 > l ? e[f++] = l >> 6 | 192 : (55296 == (l & 64512) && g + 1 < a.length && 56320 == (a.charCodeAt(g + 1) & 64512) ? (l = 65536 + ((l & 1023) << 10) + (a.charCodeAt(++g) & 1023),
                        e[f++] = l >> 18 | 240,
                        e[f++] = l >> 12 & 63 | 128) : e[f++] = l >> 12 | 224,
                        e[f++] = l >> 6 & 63 | 128),
                        e[f++] = l & 63 | 128);
                    }
                    a = b;
                    for (f = 0; f < e.length; f++)
                        a += e[f],
                    a = xr(a, "+-a^+6");
                    a = xr(a, "+-3^+b+-f");
                    a ^= Number(d[1]) || 0;
                    0 > a && (a = (a & 2147483647) + 2147483648);
                    a %= 1E6;
                    return c + (a.toString() + "." + (a ^ b));
                }

                var yr = null;
                var wr = function(a) {
                    return function() {
                        return a;
                    };
                }, xr = function(a, b) {
                    for (var c = 0; c < b.length - 2; c += 3) {
                        var d = b.charAt(c + 2), d = "a" <= d ? d.charCodeAt(0) - 87 : Number(d), d = "+" == b.charAt(c + 1) ? a >>> d : a << d;
                        a = "+" == b.charAt(c) ? a + d & 4294967295 : a ^ d;
                    }
                    return a;
                };
                return sM(txt);
            };

            var ujs_google_translate = function (dir) {
                var lng = window.navigator.language.slice(0, 2), txt = gContextMenu.selectionInfo.fullText, l = dir.split('|');
                var encTxt = encodeURIComponent(txt);
                var winWait = function(lng) {createWindow('', (lng == 'ru' ? 'Подождите идет перевод' : 'Wait, is going Translating')+'\u2026', 'Google Translate', '_gt', window.navigator.lastClick);};
                if (txt) {
                    winWait(lng);
                    var xhr = new XMLHttpRequest();
                    var url = 'https://translate.google.com/translate_a/single?client=gtx&sl=' + l[0] + '&tl=' + l[1] + '&hl=' + lng + '&eotf=0&dt=at&dt=bd&dt=ex&dt=ld&dt=md&dt=qca&dt=rw&dt=rm&dt=ss&dt=t' + getHash(txt);
                    var urlt = "http://translate.google.com/translate_t?text="+encTxt+"&sl='  + langFrom_google_text + '&tl=' + langTo_google_text +'&hl=' + lng + '&eotf=0&ujs=gtt";
                    xhr.open('POST', url, true);
                    xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
                    xhr.onreadystatechange = function() {
                        try {
                            if (xhr.readyState == 4 && xhr.status == 200) {
                                var result = '', status = '', tmp = JSON.parse(xhr.responseText.replace(/\[(?=,)/g, '[0').replace(/,(?=,|\])/g, ',0').replace(/\\n/g, "<br />"));
                                for (var i = 0, n; n = tmp[0][i]; i++) {
                                    if (n[0])result += n[0].toString();
                                };
                               status = tmp[8][0][0].toUpperCase() + ' -\u203A ' + l[1].toUpperCase();
                               createWindow(result, status, '<a href="'+urlt.replace(/&/g,'&amp;')+'" target="_blank" style="display:inline;padding:0;margin:0;text-decoration:none;border:none;color:#009;font:16px Times New Roman;">Google Translate</a>', '_gt', window.navigator.lastClick);
                            }
                        } catch(e) {};
                    };
                    xhr.send('q=' + encodeURIComponent(txt));
                } else {
                    var urlt = gBrowser.currentURI.spec;
                    var url = "http://translate.google.com/translate?u="+encodeURIComponent(urlt)+"&hl="+lng+"&langpair="+dir+"&tbb=1";
                    var ctabpos = gBrowser.selectedTab._tPos +1;
                    gBrowser.moveTabTo(gBrowser.selectedTab = gBrowser.addWebTab(url), ctabpos);
                };
            };
            var contextMenu = document.getElementById("contentAreaContextMenu");
            var nextEleMenu = document.getElementById("context-inspect");

            var menuItem = document.createXULElement("menuitem");
            menuItem.setAttribute("id", "context-ru-google-translate");
            menuItem.setAttribute("label", "Перевести на русский");
            menuItem.setAttribute("class", "menuitem-iconic");
            menuItem.setAttribute("image", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAAABnRSTlMAAAAAAABupgeRAAABBUlEQVR4Ac2RMU4DMRREB2MqihQpAkUaqnAduuQw4Sx03CGcJYIiDYqQ0lCsZ77535ZFcgAkRuPvV7zd/dLiz3N1PFb8hmRckrfELZrF9ONQ1B6Yz0MyM7S0O6zGkVprh/3+Kw/JzkHSpRpJKZkpr9fYbOx0cjVsCbWG31oHBM9mtt0q73ZcrdLhAMlYQKkUI22aqsNo8HKZAMQhvVaKSHWj2Q2aPU3mJQFY7nuHyvYFduP83WF3AJRfcPNYnr/Lp1G1uK4m9sno1LaUbnX/htf8BNzoneUD5NhjvLCMhURQSQ93QCZwXYjFwg3I0NZKrvoknQPMIHkt/jRAQKMeG2yX89/mB4EJbKbZxIhFAAAAAElFTkSuQmCC");
            menuItem.addEventListener("command", function() {ujs_google_translate('auto|ru');}, false);
            contextMenu.insertBefore(menuItem, nextEleMenu);

            menuItem = document.createXULElement("menuitem");
            menuItem.setAttribute("id", "context-en-google-translate");
            menuItem.setAttribute("label", "Перевести на английский");
            menuItem.setAttribute("class", "menuitem-iconic");
            menuItem.setAttribute("image", "data:image/png;base64,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");
            menuItem.addEventListener("command", function() {ujs_google_translate('auto|en');}, false);
            contextMenu.insertBefore(menuItem, nextEleMenu);

            contextMenu.insertBefore(document.createXULElement("menuseparator"), nextEleMenu);
        }
    },
    specialwidgets: {
        _timer: null,
        get Customizable() {
            delete this.Customizable;
            if ("createSpecialWidget" in CustomizableUI)
                return this.Customizable = CustomizableUI;
            var scope = null;
            try {
                scope = Components.utils.import("resource:///modules/CustomizableUI.jsm", {}).CustomizableUIInternal;
            } catch (e) { }
            return this.Customizable = scope;
        },
        constructor: function() {
            if (!("CustomizableUI" in window) || !("gCustomizeMode" in window))
                return;
            ucf_custom_script_win.unloadlisteners.push("specialwidgets");
            window.addEventListener("customizationready", this, false);
        },
        destructor: function() {
            window.removeEventListener("customizationready", this, false);
        },
        handleEvent: function(event) {
            this[event.type](event);
        },
        customizationchange: function() {
            clearTimeout(this._timer);
            this._timer = setTimeout(() => {
                this.createSpecialWidgets();
            }, 1000);
        },
        customizationready: function() {
            if (!this.Customizable)
                return;
            this.createSpecialWidgets();
            window.addEventListener("customizationchange", this, false);
            window.addEventListener("customizationending", this, false);
        },
        customizationending: function() {
            window.removeEventListener("customizationchange", this, false);
            window.removeEventListener("customizationending", this, false);
        },
        createSpecialWidgets: function() {
            try {
                var fragment = document.createDocumentFragment();
                if (this.findSpecialWidgets("spring")) {
                    var spring = this.Customizable.createSpecialWidget("spring", document);
                    spring.setAttribute("label", "Растягивающийся интервал");
                    fragment.appendChild(gCustomizeMode.wrapToolbarItem(spring, "palette"));
                }
                if (this.findSpecialWidgets("spacer")) {
                    var spacer = this.Customizable.createSpecialWidget("spacer", document);
                    spacer.setAttribute("label", "Интервал");
                    fragment.appendChild(gCustomizeMode.wrapToolbarItem(spacer, "palette"));
                }
                if (this.findSpecialWidgets("separator")) {
                    var separator = this.Customizable.createSpecialWidget("separator", document);
                    separator.setAttribute("label", "Разделитель");
                    fragment.appendChild(gCustomizeMode.wrapToolbarItem(separator, "palette"));
                }
                gCustomizeMode.visiblePalette.appendChild(fragment);
            } catch (e) {}
        },
        findSpecialWidgets: function(string) {
            try {
                if (!gCustomizeMode.visiblePalette.querySelector(`toolbar${string}[id^="customizableui-special-${string}"]`))
                    return true;
            } catch (e) {}
            return false;
        }
    },
    autohidesidebar: {
        sidebar: null,
        constructor: function() {
            var sidebar = this.sidebar = document.querySelector("#sidebar-box");
            if (!sidebar)
                return;
            ["dragenter", "drop", "dragexit"].forEach((type) => {
                sidebar.addEventListener(type, this, false);
            });
            ucf_custom_script_win.unloadlisteners.push("autohidesidebar");
        },
        destructor: function() {
            var sidebar = this.sidebar;
            ["dragenter", "drop", "dragexit"].forEach((type) => {
                sidebar.removeEventListener(type, this, false);
            });
        },
        handleEvent: function(event) {
            this[event.type](event);
        },
        dragenter: function() {
            if (!this.sidebar.hasAttribute("sidebardrag"))
            this.sidebar.setAttribute("sidebardrag", "true");
        },
        drop: function() {
            if (this.sidebar.hasAttribute("sidebardrag"))
            this.sidebar.removeAttribute("sidebardrag");
        },
        dragexit: function(event) {
            var sidebar = this.sidebar;
            var boxObj = sidebar.getBoundingClientRect(), boxScrn = !sidebar.boxObject ? sidebar : sidebar.boxObject;
            if ((!event.relatedTarget || event.screenY <= (boxScrn.screenY + 5) || event.screenY  >= (boxScrn.screenY + boxObj.height - 5)
                || event.screenX <= (boxScrn.screenX + 5) || event.screenX >= (boxScrn.screenX + boxObj.width - 5))
                && sidebar.hasAttribute("sidebardrag"))
                sidebar.removeAttribute("sidebardrag");
        }
    }
};

if (window.document.readyState != "complete") {
    window.addEventListener("load", function load() {
        window.removeEventListener("load", load, false);
        ucf_custom_script_win.load();
    }, false);
} else
    ucf_custom_script_win.load();

(this.contextsearch = {
    topic: "browser-search-engine-modified",
    hide: "browser.search.hiddenOneOffs",
    defaultImg: "chrome://browser/skin/search-engine-placeholder.png",
    searchSelect: null,
    popup: null,
    init(that) {
        var searchSelect = this.searchSelect = document.querySelector("#context-searchselect");
        if (!searchSelect)
            return;
        var popup = this.popup = searchSelect.closest("menupopup");
        popup.addEventListener("popupshowing", this);
        that.unloadlisteners.push("contextsearch");
    },
    destructor() {
        this.popup.removeEventListener("popupshowing", this);
        if (this.popupshowing == this.handler) {
            this.popup.removeEventListener("popuphidden", this);
            Services.obs.removeObserver(this, this.topic);
            Services.prefs.removeObserver(this.hide, this);
        }
    },
    handleEvent(e) {
        this[e.type](e);
    },
    popupshowing(e) {
        var popup = this.popup;
        var searchSelect = this.searchSelect;
        if (e.target != popup || searchSelect.hidden) return;

        var menu = document.createXULElement("menu");
        menu.className = "menu-iconic";
        var menupopup = document.createXULElement("menupopup");
        menu.append(menupopup);
        menu.ePopup = menupopup;
        searchSelect.style.setProperty("display", "none", "important");
        searchSelect.before(menu);
        menu.onclick = this.search.bind(this);
        this.handler = e => e.target != popup || (menu.hidden = searchSelect.hidden);
        this.handlerRebuild = e => this.handler(e) || this.rebuild(menu);
        this.popuphidden = ev => {
            if (ev.target != popup) return;
            menu.hidden = true;
        };
        this.popup.addEventListener("popuphidden", this);
        this.rebuild(menu);
    },
    async rebuild(menu) {
        var de = Services.search.defaultEngine;
        de = de.wrappedJSObject || de;
        this.setAttrs(menu, de, `Искать в ${de.name} или в ...`);
        menu.ePopup.textContent = "";
        var pref = Services.prefs.getStringPref("browser.search.hiddenOneOffs");
        var hiddenList = pref ? pref.split(",") : [];
        var engines = await Services.search.getVisibleEngines();
        for (let engine of engines.filter(e => !hiddenList.includes(e.name))) {
            if (engine == de) continue;
            var menuitem = document.createXULElement("menuitem");
            menuitem.className = "menuitem-iconic";
            this.setAttrs(menuitem, engine);
            menu.ePopup.append(menuitem);
        }
        this.popupshowing = this.handler;
        Services.obs.addObserver(this, this.topic, false);
        Services.prefs.addObserver(this.hide, this);
    },
    setAttrs(node, engine, label = engine.name) {
        node.engine = engine;
        node.setAttribute("label", label);
        node.setAttribute("image", engine.iconURI ? engine.iconURI.spec : this.defaultImg);
    },
    observe() {
        this.popupshowing = this.handlerRebuild;
        Services.obs.removeObserver(this, this.topic);
        Services.prefs.removeObserver(this.hide, this);
    },
    search(e) {
        var {engine} = e.target;
        if (!engine) return;
        var searchSelect = this.searchSelect;
        var submission = engine.getSubmission(
            searchSelect.searchTerms, null, "contextmenu"
        );
        if (submission) {
            let tab = gBrowser.addTab(submission.uri.spec, {
                postData: submission.postData,
                index: (gBrowser.selectedTab._tPos + 1),
                triggeringPrincipal: searchSelect.principal
            });
            if (e.button == 0)
                gBrowser.selectedTab = tab;
        }
        var popup = this.popup;
        e.button != 1 && popup.state == "open" && popup.hidePopup();
    }
}).init(this);

#u-external-application menuitem::before {
    width: 16px !important;
    height: 16px !important;
    display: -moz-box !important;
    margin-inline-start: 5px !important;/* отступ слева для иконок, для linux 0px */
    margin-inline-end: -21px !important;/* для linux -16px */
    position: relative !important;
    background-color: transparent !important;
    background-position: center !important;
    background-size: 16px !important;
    background-repeat: no-repeat !important;
}
/* далее пример */

#u-external-application menuitem[label="Открыть в Firefox"]::before {
    content: "" !important;
    background-image: url("data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' height='16' width='16' viewBox='0 0 48 48'><g><path d='M 2.438,0 C 1.087,0 0,1.088 0,2.438 V 45.56 C 0,46.91 1.087,48 2.438,48 H 45.56 C 46.91,48 48,46.91 48,45.56 V 2.438 C 48,1.088 46.91,0 45.56,0 Z' style='fill:rgb(146,69,101);fill-opacity:1;' /><path style='opacity:0.25;fill:rgb(0,0,0);' d='M 24,3 11.1,45 14.1,48 H 45.58 C 46.93,48 48,46.9 48,45.53 V 22.2 L 45,19.2 39,18 Z'/><path style='fill:rgb(255,255,255);' d='M 45,19.05 C 45.09,19.34 36.05,30.02 35.96,30.3 35.86,30.57 37.21,44.81 36.97,45 36.76,45.15 24.28,39.43 24,39.43 23.73,39.43 11.25,45.16 11.03,45 10.79,44.81 12.11,30.57 12.02,30.3 11.94,30.02 2.911,19.34 3.001,19.05 3.087,18.77 16.37,15.69 16.6,15.53 16.82,15.35 23.72,3 24,3 24.28,3 31.18,15.35 31.4,15.53 31.63,15.69 44.88,18.75 45,19.05' /></g></svg>") !important;
}

(this.contextproxy = {
            img: "data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' height='16' width='16' viewBox='0 0 48 48'><g><rect x='0' y='0' width='48' height='48' rx='3' ry='3' style='fill:rgb(209, 8, 3);'/><path style='opacity:0.25;fill:black;' d='M 16.8,17.6 23.1,23.9 8,26 6.4,32.2 11.4,37.2 3.7,44.8 6.9,48 45,48 C 46.7,48 48,46.7 48,45 V 20 L 31.4,3.4'/><path style='fill:white;' d='M 17.4,3 C 16.7,3 16.2,3.82 16.2,4.91 V 15.9 C 16.2,17 16.7,17.8 17.4,17.8 H 30.6 C 31.3,17.8 31.8,17 31.8,15.9 V 4.91 C 31.8,3.82 31.3,3 30.6,3 H 17.4 M 22.4,20.5 V 23.7 H 6.41 V 32.2 H 9.35 V 28.2 H 22.4 V 32.4 H 25.5 V 28.2 H 38.5 V 32.4 H 41.5 V 23.7 H 25.5 V 20.5 H 22.4 M 4.23,35.1 C 3.55,35.1 3,35.9 3,37.1 V 43 C 3,44.1 3.55,45 4.23,45 H 12.1 C 12.8,45 13.3,44.1 13.3,43 V 37.1 C 13.3,35.9 12.8,35.1 12.1,35.1 H 4.23 M 19.9,35.1 C 19.2,35.1 18.7,35.9 18.7,37.1 V 43 C 18.7,44.1 19.2,45 19.9,45 H 27.8 C 28.5,45 29,44.1 29,43 V 37.1 C 29,35.9 28.5,35.1 27.8,35.1 H 19.9 M 35.9,35.1 C 35.2,35.1 34.7,35.9 34.7,37.1 V 43 C 34.7,44.1 35.2,45 35.9,45 H 43.7 C 44.4,45 45,44.1 45,43 V 37.1 C 45,35.9 44.4,35.1 43.7,35.1 H 35.9' /></g></svg>",
            init(that) {
                var contextMenu = this.contextMenu = document.querySelector("#contentAreaContextMenu");
                if (!contextMenu)
                    return;
                contextMenu.addEventListener("popupshowing", this);
                that.unloadlisteners.push("contextproxy");
            },
            destructor() {
                this.contextMenu.removeEventListener("popupshowing", this);
                this.contextMenu.removeEventListener("popuphiding", this);
            },
            handleEvent(e) {
                if (e.target != this.contextMenu || !gContextMenu.isContentSelected) return;
                var menuitem = document.createXULElement("menuitem");
                menuitem.setAttribute("label", "Добавить прокси");
                menuitem.className = "menuitem-iconic";
                menuitem.setAttribute("image", this.img);
                menuitem.onclick = this.addNewProxy.bind(this);
                (this.contextMenu.querySelector("menuseparator#context-sep-selectall") || this.contextMenu.lastElementChild).after(menuitem);
                this.popupshowing = evt => {
                    if (evt.target != this.contextMenu) return;
                    menuitem.hidden = !gContextMenu.isContentSelected;
                };
                this.popuphiding = evt => {
                    if (evt.target != this.contextMenu) return;
                    menuitem.hidden = true;
                };
                this.contextMenu.addEventListener("popuphiding", this);
                this.handleEvent = e => {
                    this[e.type](e);
                };
            },
            addNewProxy(e) {
                var sel = gContextMenu.selectionInfo.fullText;
                sel = sel.trim().replace(/\s+/g, ":");
                var prefs = Services.prefs, lab;
                if (sel.length < 6 && isFinite(sel)) {
                    lab = "порт", sel = +sel;
                    prefs.setIntPref("network.proxy.http_port", sel);
                    prefs.setIntPref("network.proxy.ssl_port", sel);
                    prefs.setIntPref("network.proxy.ftp_port", sel);
                    prefs.setIntPref("network.proxy.socks_port", sel);
                } else if (sel.length > 5 && !(/:/.test(sel)) && sel.split(".").length == 4) {
                    lab = "адрес";
                    prefs.setStringPref("network.proxy.http", sel);
                    prefs.setStringPref("network.proxy.ssl", sel);
                    prefs.setStringPref("network.proxy.ftp", sel);
                    prefs.setStringPref("network.proxy.socks", sel);
                } else if (sel.length > 5 && /:/.test(sel) && sel.split(":").length == 2 && sel.split(".").length == 4) {
                    lab = "адрес и порт";
                    var arr = sel.split(":"), IP = arr[0], port = +arr[1];
                    prefs.setIntPref("network.proxy.http_port", port);
                    prefs.setStringPref("network.proxy.http", IP);
                    prefs.setIntPref("network.proxy.ssl_port", port);
                    prefs.setStringPref("network.proxy.ssl", IP);
                    prefs.setIntPref("network.proxy.ftp_port", port);
                    prefs.setStringPref("network.proxy.ftp", IP);
                    prefs.setIntPref("network.proxy.socks_port", port);
                    prefs.setStringPref("network.proxy.socks", IP);
                } else
                   return;
                if (prefs.getIntPref("network.proxy.type") != 1)
                   prefs.setIntPref("network.proxy.type", 1);
                var mainPopupSet = document.querySelector("#mainPopupSet");
                var tooltip = document.createXULElement("tooltip");
                tooltip.style.cssText = "font-size: 1.2em !important; -moz-box-orient: horizontal; text-align: center; pointer-events: none; -moz-box-align: center !important;";
                tooltip.label = " Установлен " + lab + " прокси: " + sel;
                var image = document.createXULElement("image");
                image.setAttribute("src", this.img);
                tooltip.firstElementChild.before(image);
                mainPopupSet.append(tooltip);
                tooltip.openPopup(e.target.parentNode, "before_start");
                setTimeout(() => tooltip.remove(), 3000);
            }
        }).init(this);

var itemsToClear = [
        "cookies",
        "history",
        "formdata",
        "sessions",
        "cache",
        "downloads",
        "offlineApps",
        "pluginData",
        "siteSettings",
];
var range = win.Sanitizer.getClearRange(4);
win.Sanitizer.sanitize(itemsToClear, {
        ignoreTimespan: !range,
        range,
});

/* Большие значки на панели навигации */
 toolbar .toolbarbutton-1 > .toolbarbutton-icon,
toolbar .toolbarbutton-1 > .toolbarbutton-badge-stack {
    padding: calc(var(--toolbarbutton-inner-padding) - 2px) !important;
}
toolbar .toolbarbutton-1 > .toolbarbutton-badge-stack > .toolbarbutton-icon {
    width: 20px !important;
    height: 20px !important;
}

/* Зум панели навигации */
#nav-bar .toolbarbutton-1 {
    padding-top: 3px !important;
    padding-bottom: 3px !important;
}