(async (url, ...cc) => {
	var re = /^.*\//;
	var f = Components.Constructor(...cc);
	var setLastModified = (file, date) => {
		if (file.exists()) file.lastModifiedTime = date;
	}
	var {Downloads} = ChromeUtils.importESModule(url);
	(await Downloads.getList(Downloads.ALL)).addView({
		onDownloadChanged(download) {
			if (download.succeeded) try {
				var date = new Date(download.saver.entityID.replace(re, ""));
				+date && setTimeout(setLastModified, 2e3, f(download.target.path), date);
			}
			//catch(ex) {console.error(ex);}
			catch {}
		}
	});
})(
	"resource://gre/modules/Downloads.sys.mjs",
	"@mozilla.org/file/local;1", "nsIFile", "initWithPath"
);

/* Быстрые настройки меню опций about:config. Колёсико, Лев+Shift не закрывать
	Опция изменена: курсив; Цвет = ключ, по-умолчанию серый, иначе Red
	есть Def3el: несовпадения выделяются красной обводкой текста
	refresh=true ⟳ перечитать без кэша, restart=false ↯ без запроса 
pref: pref,lab,key,hint,[val,str],code | keys:val,lab,dat,+hint,code | icon:значок

	предыдущее значение: menu.pref.val
	Новое: newVal и trg.val данные
	trg.label метка keys:
*/

(async id =>{ var {prefs} = Services, db = prefs.getDefaultBranch("");
Pref = (key, set)=>{ //или key = [key,default]
	if (!Array.isArray(key)) key = [key];
	var t = prefs.getPrefType(key[0]), m = {b:"Bool",n:"Int",s:"String"};
	t = m[t == 128 ? "b" : t == 64 ? "n" : t == 32 ? "s" : ""];
	if (set == "get")
		return t; //тип опции
	if (!t)
		t = m[set != undefined ? (typeof set)[0] : (typeof key[1])[0]];
	if (t)
		if (set != undefined)
			prefs[`set${t}Pref`](key[0],set)
		else
			set = prefs[`get${t}Pref`](...key);
	return set;
}
Icon = (c = '0c0')=>"data:image/svg+xml;charset=utf-8,<svg viewBox='0 0 32 32' xmlns='http://www.w3.org/2000/svg'><defs><linearGradient id='a' x1='16' x2='16' y1='32' gradientUnits='userSpaceOnUse'><stop stop-color='%23"+ c +"'/><stop stop-color='%23fff' offset='.8'/></linearGradient><linearGradient id='b' x2='32' y1='16' gradientTransform='matrix(1 0 0 1 2 2)'><stop stop-opacity='.5'/></linearGradient></defs><circle cx='16' cy='16' r='15' fill='url(%23a)' stroke='url(%23b)' stroke-width='2'/></svg>";
about_config = (filter) => { //на опцию
	if (gURLBar.value.startsWith("about:config")) switchTab(gURLBar.value);
	var setFilter = (e,input = (e?.target || window.content.document).getElementById("about-config-search")) => {	try {
		if (e || input.value != filter) input.setUserInput(filter);} catch{}
	},
	found = window.switchToTabHavingURI("about:config",true, {relatedToCurrent: true,
		triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal()});
	if (found) setFilter(null,window);
	else gBrowser.selectedBrowser.addEventListener("pageshow",setFilter, {once: true});
};
ua = (real = false, ua_my = "general.useragent.override")=>{ //текущий или вшитый ЮзерАгент
	ttt = Pref(ua_my); prefs.clearUserPref(ua_my);
	ua = Cc["@mozilla.org/network/protocol;1?name=http"].getService(Ci.nsIHttpProtocolHandler).userAgent; //костыль
	ttt && Pref(ua_my, ttt);
	ttt ||= ua;
	if (real) ttt = ua;
	return ttt;
}
switchTab = (url = 'about:config', go)=>{ //открыть вкладку | закрыть её | выбрать
	for(var tab of gBrowser.visibleTabs)
		if (tab.linkedBrowser.currentURI.spec == url)
			{go ? gBrowser.selectedTab = tab : gBrowser.removeTab(tab); return;}
	gBrowser.addTrustedTab(url);
	gBrowser.selectedTab = gBrowser.visibleTabs[gBrowser.visibleTabs.length -1];
}
var uar = ua(true), //real ЮзерАгент
fonts = arr => arr.map(n => [(n == arr[arr.length-1] ? null : n), n]), //array с вложениями
serif = fonts("Arial|Roboto|Cantarell|Segoe UI|Cambria|Calibri".split('|')),
sans = [["Times","Times"], ...serif],
hints = new Map([ //опция отсутствует ? вернуть строку
	["general.useragent.override", "UserAgent"]]);

UserMenu = { //массив команд пользователя, alt() клик правой кнопкой
	"Настройки профайлера": {
		cmd(){switchTab('about:profiling')}
	},
	DwDir: {lab: `папка Загрузки`,
		cmd(){
			Downloads.getSystemDownloadsDirectory().then(path => FileUtils.File(path).launch(),Cu.reportError)},
		img: "chrome://devtools/skin/images/folder.svg"
	},
}
AboutCfg = [{
	pref: ["dom.disable_open_during_load", "Всплывающие окна"], Def3el: true, Yellow: false,
	keys: [[true, "Блокировать"], [false, "Разрешить"]],
},null,{
	pref: ["extensions.user_chrome_files.savedirs", "Загрузки",,'Пути сохранения Страниц и Графики\nСинтаксис «_Html/subdir|_Pics/subdir»\nsubdir: пусто | 0 заголовок | 1 домен',
		["", "всё в общей папке"]],
	Blue: "_Web|1|_Images|0", Gray: "",
	keys: [
		["_Сайты||_Фото|0", "_Сайты|_Фото/имя…"],
		["_Web|1|_Images|0", "_Web/сайт|_Images/имя"],
		["Сайт||Фото|", "ваши данные…",,"ключ в about:config", `console.log("введите ваши данные…")`]]
},{
	pref: ["general.useragent.override", "User Agent",,"Изменяет вид сайта", [uar,"встроенный"]],
		refresh: true, Def3el: uar,
	keys: [
	["Windows", "ваши данные…",,,`console.log("введите ваши данные…")`],
	["Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36", "Chrome 118 Win10"],
	["Opera/9.80 (Windows NT 6.2; Win64; x64) Presto/2.12 Version/12.16", "Opera12 W8"],
	["Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)", "GoogleBot"],
	[uar, "по-умолчанию"]] //родной ЮзерАгент
}];

CustomizableUI.createWidget({ defaultArea: CustomizableUI.AREA_NAVBAR,
	label: "Журнал, Меню опций", localized: false, id: id,
	onCreated(btn) {
		btn.setAttribute("image", "chrome://devtools/skin/images/settings.svg");
		var doc = btn.ownerDocument, m = nn => doc.createXULElement(nn);
		btn.domParent = null;
		btn.popups = new btn.ownerGlobal.Array();
		this.createPopup(doc, btn, "config", AboutCfg);
		btn.linkedObject = this;
		for(var type of ["contextmenu", "command"])
			btn.setAttribute("on"+ type, `linkedObject.${type}(event)`);
		var popup = m("menupopup"), menu = m("menuitem");
		menu.m = m;
		menu.fill = this.fill;
		menu.render = this.render;
		popup.append(menu);
		btn.prepend(popup);
	},
	render(){
		var popup = this.parentNode;
		this.remove();
		this.fill(UserMenu, popup);
	},
	fill(o, popup){if (typeof o == "object") for (key in o){
		var {lab, sep, sub, cmd, alt, inf, img} = o[key];
		var name = sub ? "menu" : "menuitem";
		sep && popup.append(this.m("menuseparator"));
		var item = this.m(name);
		item.setAttribute("label", lab || key);
		if (img)
			item.className = name +"-iconic", item.setAttribute("image",img);
		if (inf) item.tooltipText = inf;
		item.alt = alt; //cmd2
		sub || cmd && item.setAttribute("oncommand", cmd.toString().replace(/cmd\(.*?\)/,''));
		/^(sub|sep|inf|lab|img)$/.test(key) || popup.append(item);
		sub && this.fill(o[key], item.appendChild(this.m("menupopup")));
	}},
	createPopup(doc, btn, prop, data) {
		var popup = doc.createXULElement("menupopup");
		btn.popups.push(btn[prop] = popup);
		popup.id = this.id +"-"+ prop;
		for (var type of ["popupshowing"])
			popup.setAttribute("on"+ type, `parentNode.linkedObject.${type}(event)`);
		for(var obj of data) popup.append(this.createElement(doc, obj));
		btn.append(popup);
	},
	createElement(doc, obj) { //pref
		if (!obj) return doc.createXULElement("menuseparator");
		var pref = doc.ownerGlobal.Object.create(null), node, bool, img;
		for(var [key, val] of Object.entries(obj)) {
			if (key == "pref") {
				var [apref, lab, akey, hint, undef, code] = val; //строка меню
				pref.pref = apref; pref.lab = lab || apref;
				if (hint) {
					if (RegExp(/\p{L}/,'u').test(hint[0]) && (hint[0] === hint[0].toUpperCase()))
						hint = '\n'+ hint;
					pref.hint = hint;
				}
				if (undef) pref.undef = undef; //если не массив: undef || undef == ""
				if (code) pref.code = code;
			}
			else if (key == "icon") img = val, pref.img = true;
			else if (key != "keys") pref[key] = val;
			else pref.hasVals = true;
		}
		var t = prefs.getPrefType(pref.pref), m = {b: "Bool", n: "Int", s: "String"};
		var str = m[t == prefs.PREF_INVALID ? obj.keys ? (typeof obj.keys[0][0])[0] : "b" : t == prefs.PREF_BOOL ? "b" : t == prefs.PREF_INT ? "n" : "s"]; //String по-умолчанию
		pref.get = prefs[`get${str}Pref`];
		var map, set = prefs[`set${str}Pref`];
		if (pref.hasVals) {
			for(var [val,,,,code] of obj.keys)
				code && (map || (map = new Map())).set(val, code);
			if (map) pref.set = (key, val) => {
				set(key, val);
				map.has(val) && eval(map.get(val)); //код2 если pref изменён
			}
		}
		if (!map) pref.set = set;
		node = doc.createXULElement("menu");
		node.className = "menu-iconic";
		img && node.setAttribute("image", img);
		akey && node.setAttribute("accesskey", akey);
		(node.pref = pref).vals = doc.ownerGlobal.Object.create(null);
		this.createRadios(doc,
			str.startsWith("B") && !pref.hasVals ? [[true, "true"], [false, "false"]] : obj.keys,
			node.appendChild(doc.createXULElement("menupopup"))
		);
		if ("Def3el" in obj) pref.noAlt = !("Yellow" in obj);
		return node;
	},
	createRadios(doc, vals, popup) {
		for(var arr of vals) {
			var [val, lab, key, hint] = arr;
			var menuitem = doc.createXULElement("menuitem");
			with (menuitem)
				setAttribute("type","radio"), setAttribute("closemenu","none"), setAttribute("label", popup.parentNode.pref.vals[val] = lab), key && setAttribute("accesskey", key);
			var tip = menuitem.val = val === "" ? "[ пустая строка ]" : val;
			if (hint) tip += "\n" + hint;
			menuitem.tooltipText = `${tip != undefined ? tip + "\n\n" : ""}клик с Shift блокирует авто-закрытие`;
			popup.append(menuitem);
		}
	},
	regexpRefresh: /^(?:view-source:)?(?:https?|ftp)/,
	upd(node) {
		var {pref} = node, def = false, user = false, val; //если опция не найдена
		if (prefs.getPrefType(pref.pref) != prefs.PREF_INVALID) {
			try {
				val = pref.defVal = db[pref.get.name](pref.pref); def = true; //опция по-умолчанию получена
			} catch {def = false}
			user = prefs.prefHasUserValue(pref.pref);
			if (user) try {val = pref.get(pref.pref, undefined);} catch {}
		}
		if (val == pref.val && def == pref.def && user == pref.user) return;
		pref.val = val; pref.def = def; pref.user = user;
		var exists = def || user;
		if (!exists && pref.undef) //опции нет ? вернуть default
			val = pref.undef[0];
		var hint = hints.get(pref.pref);
		hint ||= val != undefined ? val : "Эта опция не указана";
		if (hint === "") hint = "[ пустая строка ]";
		hint += "\n" + pref.pref;
		if (pref.hint) hint += "\n"+ pref.hint;
		node.tooltipText = hint; //+ текст
		var img = Icon("999"), alt = "Yellow" in pref && val == pref.Yellow, clr = "Gray" in pref && val == pref.Gray, blu = "Blue" in pref && val == pref.Blue;
		if (blu) img = Icon("a0f");
		if (alt) img = Icon("f80");
		if ("Def3el" in pref)
			if (val == pref.Def3el)
				img = Icon(), node.style.removeProperty('filter');
			else if (val != pref.defVal) {
				if (!alt && !clr && !blu)
					img = Icon("f26"); // Red
				node.style.filter = "drop-shadow(1px 1px 1px #B8F)";
			}
		pref.img || node.setAttribute("image", img); //нет Def3el ? серый
		user
			? node.style.setProperty("font-style", "italic", "important")
			: node.style.removeProperty("font-style");
		var {lab} = pref;
		if (exists && pref.hasVals) {
			if (val in pref.vals) var sfx = pref.vals[val] || val;
			else var sfx = user ? "другое" : "по-умолчанию";
			lab += ` ${"restart" in pref ? "↯-" : "refresh" in pref ? "-⟳" : "—"} ${sfx}`;
		}
		lab = exists ? lab : '['+ lab + `${"restart" in pref ? " ↯" : "refresh" in pref ? " ⟳" : ""}` +']'+ `${pref.undef ? " - "+ pref.undef[1] : ""}`;
		node.setAttribute("label", lab); //имя = [имя] если преф не существует
	},
	openPopup(popup) {
		var btn = popup.parentNode;
		if (btn.domParent != btn.parentNode) {
			btn.domParent = btn.parentNode;
			if (btn.matches(".widget-overflow-list > :scope"))
				var pos = "after_start";
			else var win = btn.ownerGlobal, {width, height, top, bottom, left, right} =
				btn.closest("toolbar").getBoundingClientRect(), pos = width > height
					? `${win.innerHeight - bottom > top ? "after" : "before"}_start`
					: `${win.innerWidth - right > left ? "end" : "start"}_before`;
			for(var p of btn.popups) p.setAttribute("position", pos);
		}
		popup.openPopup(btn);
	},
	maybeRestart(node, conf) {
		if (conf && !Services.prompt.confirm(null, this.label, "Перезапустить браузер?")) return;
		var cancel = Cc["@mozilla.org/supports-PRBool;1"].createInstance(Ci.nsISupportsPRBool);
		Services.obs.notifyObservers(cancel, "quit-application-requested", "restart");
		return cancel.data ? Services.prompt.alert(null, this.label, "Запрос на выход отменён.") : this.restart();
	},
	async restart() {
		var meth = Services.appinfo.inSafeMode ? "restartInSafeMode" : "quit";
		Services.startup[meth](Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart);
	},
	maybeRe(node, fe) {
		var {pref} = node;
		if ("restart" in pref) {
			if (this.maybeRestart(node, pref.restart)) return;
		}
		else this.popupshowing(fe, node.parentNode);
		if ("refresh" in pref) {
			var win = node.ownerGlobal;
			if (this.regexpRefresh.test(win.gBrowser.currentURI.spec)) pref.refresh
				? win.BrowserReloadSkipCache() : win.BrowserReload();}
	},
	maybeClosePopup(e, trg) {
		(e.shiftKey || e.button == 1) || trg.parentNode.hidePopup();
	},
	popupshowing(e, trg = e.target) {
		if (trg.state == "closed") return;
		if (trg.id) {
			for(var node of trg.children) {
				if (node.nodeName.endsWith("r")) continue;
				this.upd(node);
				!e && node.open && this.popupshowing(null, node.querySelector("menupopup"));
			} return;
		}
		var {pref} = trg.closest("menu"), findChecked = true;
		var findDef = "defVal" in pref;
		var checked = trg.querySelector("[checked]");
		if (checked) {
			if (checked.val == pref.val) {
				if (findDef) findChecked = false;
				else return;
			}
			else checked.removeAttribute("checked");
		}
		if (findDef) {
			var def = trg.querySelector("menuitem:not([style*=font-style]");
			if (def)
				if (def.val == pref.defVal) {
					if (findChecked) findDef = false;
					else return;
				}
				else def.style.setProperty("font-style","italic","important");
		}
		for(var node of trg.children)
			if ("val" in node) {
				if (!pref.val && pref.val != "" && pref.undef)
					pref.val = pref.undef[0]; //опции нет ? вернуть default
				if (findChecked && node.val == pref.val) {
					node.setAttribute("checked", true);
					if (findDef) findChecked = false;
					else break;
				}
				if (findDef && node.val == pref.defVal) {
					node.style.removeProperty("font-style");
					if (findChecked) findDef = false;
					else break;
				}
			}
	},
	command(e, trg = e.target) { //LMB
		if (trg.id == id) {
			if (trg.config.state != "open")
				trg.menupopup.openPopup(trg, "after_start")
			else
				console.log("Здесь нужен переход на опцию about:config");
			return;
		}
		var menu = trg.closest("menu"), newVal = trg.val;
		if (!menu || !menu.pref) return;
		this.maybeClosePopup(e, menu);
		menu.pref.code && eval(menu.pref.code); //run1
		if (newVal != menu.pref.val)
			menu.pref.set(menu.pref.pref, newVal), this.maybeRe(menu, true);
	},
	contextmenu(e, trg = e.target) { //RMB
		if ((trg.id == id) && (!e.ctrlKey && !e.altKey && !e.shiftKey))
			if (trg.config.state != "open")
				this.openPopup(trg.config);
			else
			  trg.config.hidePopup();
		else if ("pref" in trg) {
			this.maybeClosePopup(e, trg);
			if (trg.pref.user)
				prefs.clearUserPref(trg.pref.pref), this.maybeRe(trg);
			trg.pref.code && eval(trg.pref.code); //run
		}
		e.preventDefault();
	}
});
})("ucf_AboutConfig");