.......

		var {PlacesUtils} = ChromeUtils.import("resource://gre/modules/PlacesUtils.jsm");
		var {PrivateBrowsingUtils} = ChromeUtils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
		ChromeUtils.import(
			"resource:///modules/PlacesUIUtils.jsm"
		).PlacesUIUtils._openNodeIn = function PUIU__openNodeIn(node, where, win, priv) {
			if (node && PlacesUtils.nodeIsURI(node) && this.checkURLSecurity(node, win)) {
				var {uri} = node;
				var isBookmark = PlacesUtils.nodeIsBookmark(node);
				if (!PrivateBrowsingUtils.isWindowPrivate(win)) isBookmark
					? this.markPageAsFollowedBookmark(uri)
					: this.markPageAsTyped(uri);
				var params = {private: priv, inBackground: this.loadBookmarksInBackground};
				if (uri.startsWith("javascript:"))
					params.allowPopups = params.allowInheritPrincipal = true;
				else if (isBookmark) {
					var e = win.event;
					if (
						e && !e.button && e.detail <= 1 &&
						!e.ctrlKey && !e.shiftKey && !e.altKey &&
						(e.type == "command" || e.type == "click") &&
						e.target.matches(".bookmark-item, treechildren")
					) {
						if (where == "current") where = "tab";
						var title, {parent} = node, {type} = parent;
						var folder = type == node.RESULT_TYPE_FOLDER
							|| type == node.RESULT_TYPE_FOLDER_SHORTCUT;
						if (folder) title = PlacesUtils.bookmarks.getLocalizedTitle({
							guid: parent.bookmarkGuid, title: parent.title
						});
						var id = params.userContextId = self.newUsercontext(title);
						folder || updateTitle(id, node.bookmarkGuid);
					}
				}
				win.openTrustedLinkIn(uri, where, params);
			}
		}
		var updateTitle = async (id, guid) => {
			var {parentGuid} = await PlacesUtils.bookmarks.fetch(guid);
			var title = PlacesUtils.bookmarks.getLocalizedTitle(
				await PlacesUtils.bookmarks.fetch(parentGuid)
			);
			var {icon, color} = this.cis.getPublicIdentityFromId(id);
			this.cis.update(id, title, icon, color);
		}

.......

		var {PlacesUtils} = ChromeUtils.import("resource://gre/modules/PlacesUtils.jsm");
		var {PrivateBrowsingUtils} = ChromeUtils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
		ChromeUtils.import(
			"resource:///modules/PlacesUIUtils.jsm"
		).PlacesUIUtils._openNodeIn = function PUIU__openNodeIn(node, where, win, priv) {
			if (node && PlacesUtils.nodeIsURI(node) && this.checkURLSecurity(node, win)) {
				var {uri} = node;
				var isBookmark = PlacesUtils.nodeIsBookmark(node);
				if (!PrivateBrowsingUtils.isWindowPrivate(win)) isBookmark
					? this.markPageAsFollowedBookmark(uri)
					: this.markPageAsTyped(uri);
				var params = {private: priv, inBackground: this.loadBookmarksInBackground};
				if (uri.startsWith("javascript:"))
					params.allowPopups = params.allowInheritPrincipal = true;
				else if (isBookmark) {
					var e = win.event;
					if (
						e && !e.button && e.detail <= 1 &&
						!e.ctrlKey && !e.shiftKey && !e.altKey &&
						(e.type == "command" || e.type == "click") &&
						e.target.matches(".bookmark-item, treechildren")
					) {
						if (where == "current") where = "tab";
						var title, {parent} = node, {type} = parent;
						var folder = type == node.RESULT_TYPE_FOLDER
							|| type == node.RESULT_TYPE_FOLDER_SHORTCUT;
						if (folder) title = PlacesUtils.bookmarks.getLocalizedTitle({
							guid: parent.bookmarkGuid, title: parent.title
						});
						var id = params.userContextId = self.newUsercontext(title);
						folder || updateTitle(id, node.bookmarkGuid);
					}
				}
				win.openTrustedLinkIn(uri, where, params);
			}
		}
		var updateTitle = async (id, guid) => {
			var {parentGuid} = await PlacesUtils.bookmarks.fetch(guid);
			var title = PlacesUtils.bookmarks.getLocalizedTitle(
				await PlacesUtils.bookmarks.fetch(parentGuid)
			);
			var {icon, color} = this.cis.getPublicIdentityFromId(id);
			this.cis.update(id, title, icon, color);
		}

(async (sel, self) => ({

	icon: "circle",
	colors: [
		"#FF9800",
		"#03A9F4",
		"#FFC107",
		"#00BCD4",
		"#FFEB3B",
		"#009688",
		"#CDDC39",
		"#4CAF50",
		"#8BC34A",
		"#D32F2F",
		"#4949ff",
		"#C2185B",
		"#607D8B",
		"#7B1FA2",
		"#9E9E9E",
		"#673AB7",
		"#795548",
		"#3F51B5",
		"#FF5722",
		"#2196F3",
	],

	initColors() {
		var colorName = "ucf-gen";
		var css = "@-moz-document url(about:preferences#containers),"
			+ " url-prefix(chrome://browser/content/browser.x) {\n";
		this.colors.forEach((color, ind) => {
			var [ic, tc] = color.split(/\s*\|\s*/);
			css += `\t.identity-color-${colorName}${ind} {\n`
				+ `\t\t--identity-tab-color: ${tc || ic};\n`
				+ `\t\t--identity-icon-color: ${ic};\n\t}\n`
		});
		var url = "data:text/css;charset=utf-8," + encodeURIComponent(css + "}");
		var sss = Cc["@mozilla.org/content/style-sheet-service;1"]
			.getService(Ci.nsIStyleSheetService);
		sss.loadAndRegisterSheet(Services.io.newURI(url), sss.USER_SHEET);

		var len = this.colors.length;
		var pref = "ucf.openInGeneratedContainer.lastColor";
		var ind = Math.min(Services.prefs.getIntPref(pref, -1), len - 1);
		this.nextColor = () => {
			var next = ind + 1;
			Services.prefs.setIntPref(pref, ind = next == len ? 0 : next);
			return colorName + ind;
		}
	},
	quit: false,
	init(topic) {
		Services.obs.addObserver(self = this, topic);

		var lt = "browser-lastwindow-close-granted";
		var lw = () => this.quit = true;
		Services.obs.addObserver(lw, lt);

		Services.obs.addObserver(function quit(s, t) {
			self.quit = true;
			Services.obs.removeObserver(self, topic);
			Services.obs.removeObserver(lw, lt);
			Services.obs.removeObserver(quit, t);
		}, "quit-application-granted");
		this.initColors();
		this.newUsercontext = name => {
			var id = this.cis.create(
				name || `[ ${this.cis._lastUserContextId + 1} ]`, this.icon, this.nextColor()
			).userContextId;
			this.saveGens(this.gens.add(id));
			return id;
		}
		var cpref = "ucf.openInGeneratedContainer.containers";
		var arr = Services.prefs.getStringPref(cpref, "").split(",").map(Number).filter(Boolean);
		if (arr.length) {
			var ids = this.cis.getPublicIdentities().map(i => i.userContextId);
			arr = arr.filter(id => ids.includes(id));
		}
		this.gens = new Set(arr);
		(this.saveGens = () => Services.prefs.setStringPref(cpref, Array.from(this.gens).join(",")))();
	},
	observe(doc) {
		var list = doc.querySelectorAll(sel);
		if (!list.length) return;

		var menuitem = doc.createXULElement("menuitem");
		for(var args of Object.entries({
			selectiontype: "single",
			oncommand: "cmd(window)",
			nodetype: "folder|query",
			selection: "folder|query",
			label: "Открыть всё в контейнере",
			id: "placesContext_openContainer:tabs:newUsercontext"
		}))
			menuitem.setAttribute(...args);
		menuitem.cmd = this.cmd;
		menuitem.rnd = menuitem.constructor.prototype.render;
		menuitem.render = this.render;
		var [m1, m2] = menuitem.list = Array.from(list);
		(m2 || m1).after(menuitem);

		if (doc.documentElement.getAttribute("windowtype") != "navigator:browser") return;

		for(var btn of [
			doc.getElementById("tabs-newtab-button"),
			doc.getElementById("new-tab-button") ||
				doc.ownerGlobal.gNavToolbox.palette.querySelector("#new-tab-button")
		])
			if (btn) btn.checkForMiddleClick = this.click;

		var win = doc.ownerGlobal;
		this.redefDoSearch(win, win.customElements.get("searchbar").prototype);

		win.gBrowser.tabContainer.addEventListener("TabClose", this.tabClose);
		win.addEventListener("unload", this.winUnload, {once: true});
		this.quit = false;

		var tuc = "gBrowser.selectedTab.userContextId";
		win.BrowserOpenTab = win.eval(`(${win.BrowserOpenTab})`.replace(
			"resolve,", `$&\n          userContextId: ${tuc},`
		));
		var bdw = win.browserDOMWindow.wrappedJSObject;
		win.Object.assign(bdw, win.eval(
			`({${bdw.getContentWindowOrOpenURI}})`
				.replace("userContextId,", `isExternal ? ${tuc} : $&`)
				.replace(
					/null,\s+null,\s+null,\s+aTriggeringPrincipal/,
					`isExternal ? ${tuc} : $&`
				)
		));
	},
	winUnload(e) {
		var win = e.target.ownerGlobal;
		win.removeEventListener("TabClose", self.tabClose);
		if (self.quit) return;
		var gb = win.gBrowser;
		if (gb) for(var tab of gb.tabs) self.tabClose(null, tab);
	},
	closed: new Set(),
	cis: ChromeUtils.import("resource://gre/modules/ContextualIdentityService.jsm")
		.ContextualIdentityService,
	tabClose(e, tab = e.target) {
		var id = +tab.getAttribute("usercontextid");
		id && self.gens.has(id) && self.closed.add(id);
		self.closed.size == 1 && ChromeUtils.idleDispatch(self.maybeRemove);
	},
	maybeRemove() {
		var ids = Array.from(self.closed);
		self.closed.clear();
		for(var id of ids) self.maybeRemoveById(id);
	},
	maybeRemoveById(id) {
		for(var win of CustomizableUI.windows)
			if (win.document.querySelector(`tab.tabbrowser-tab[usercontextid="${id}"]`))
				return;
		this.saveGens(this.gens.delete(id));
		this.cis.remove(id);
	},
	redefDoSearch(win, proto) {
		var code = `(openTrustedLinkIn => [
			{${proto.doSearch}}, openTrustedLinkIn
		])(
			function otl(url, where, params) {
				if (where != "current")
					params.resolveOnNewTabCreated = br => {
						var tab = gBrowser.getTabForBrowser(br);
						gBrowser.moveTabTo(tab, Infinity);
						gBrowser.addTrustedTab("about:blank", {
							index: tab._tPos,
							userContextId: tab.userContextId
						});
					},
					params.userContextId = otl.newUsercontext(
						document.getElementById("searchbar").value
					);
				openTrustedLinkIn(url, where, params);
			}
		);`;
		(this.redefDoSearch = (win, proto) => {
			var [obj, func] = win.eval(code);
			Object.assign(proto, obj);
			func.newUsercontext = this.newUsercontext;
		})(win, proto);
	},
	click(btn, e) {
		if (!(e.button != 2 || e.ctrlKey || e.shiftKey)) {
			var txt = e.view.readFromClipboard();
			if (txt) {
				var urls = txt.split("\n").map(self.map).filter(Boolean);
				if (urls.length) return e.preventDefault(),
					self.openFromClipboard(e.view, urls);
			}
		}
		e.view.checkForMiddleClick(btn, e);
	},
	eo: Object.create(null),
	map(str) {
		str = str.trim();
		try {
			var scheme = Services.io.extractScheme(str);
			var ph = Services.io.getProtocolHandler(scheme);
			if (ph.scheme == scheme)
				return Services.io.newURI(str) && {uri: str};
		} catch {}
	},
	openFromClipboard(win, urls) {
		if (win.OpenInTabsUtils.confirmOpenInTabs(urls.length, win))
			urls.load = true,
			this.open(win, this.eo, urls);
	},
	async render() {
		this.rnd();
		await new Promise(this.ownerGlobal.requestAnimationFrame);
		this.hidden || (this.hidden = this.list.every(self.every));
	},
	every: node => node.disabled || node.hidden,
	cmd(win) {
		var {_view, triggerNode} = this.parentNode;
		var node = triggerNode._placesView && triggerNode._placesView.result.root;
		self.open(win, node || _view.selectedNode || _view.result.root);
	},
	open(win, node, list) {
		var gbw = Cu.import("resource:///modules/PlacesUIUtils.jsm", {}).getBrowserWindow;
		var w = gbw(win);
		this.pu = w.PlacesUIUtils;
		this.fs = w.PlacesUtils.favicons;
		this.sysp = w.E10SUtils.SERIALIZED_SYSTEMPRINCIPAL;

		(this.open = (win, node, list) => {
			var {bookmarkGuid: guid, title} = node;
			if (guid && title) title = win.PlacesUtils.bookmarks.getLocalizedTitle({guid, title});
			this.openURLs(gbw(win), list || win.PlacesUtils.getURLsForContainerNode(node), title);
			guid && this.pu.doCommand(win, "placesCmd_delete");
		})(win, node, list);
	},
	async openURLs(win, urls, title) {
		var userContextId = this.newUsercontext(title);
		var mark = !win.PrivateBrowsingUtils.isWindowPrivate(win);
		var {load} = urls, gb = win.gBrowser, pos = gb.selectedTab._tPos;

		for(var {uri, title, isBookmark} of urls) try {
			if (mark) isBookmark
				? this.pu.markPageAsFollowedBookmark(uri)
				: this.pu.markPageAsTyped(uri);

			if (load) {
				gb.addTrustedTab(uri, {index: ++pos, userContextId});
				continue;
			}
			var state = {userContextId, entries: [{
				url: uri,
				title: title || uri,
				triggeringPrincipal_base64: this.sysp
			}]};
			var [,, data, mime] = await new Promise(
				resolve => this.fs.getFaviconDataForPage(
					Services.io.newURI(uri), (...args) => resolve(args), 16
				)
			);
			if (data.length) state.image = `data:${
				mime || "image/x-icon"
			};base64,${
				btoa(String.fromCharCode(...data))
			}`;
			var tab = gb.addTrustedTab(null, {index: ++pos, userContextId});
			win.SessionStore.setTabState(tab, state);
		} catch {};
	}
}).init("chrome-document-loaded"))(
	"#placesContext_openBookmarkContainer\\:tabs,#placesContext_openContainer\\:tabs"
);

/* -*- mode: js; indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

var EXPORTED_SYMBOLS = ["BrowserUtils"];

const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
const { XPCOMUtils } = ChromeUtils.import(
  "resource://gre/modules/XPCOMUtils.jsm"
);
ChromeUtils.defineModuleGetter(
  this,
  "PlacesUtils",
  "resource://gre/modules/PlacesUtils.jsm"
);

// The maximum number of concurrently-loaded origins allowed in order to
// qualify for the Fission rollout experiment.
XPCOMUtils.defineLazyPreferenceGetter(
  this,
  "fissionExperimentMaxOrigins",
  "fission.experiment.max-origins.origin-cap",
  30
);
// The length of the sliding window during which a user must stay below
// the max origin cap. If the last time a user passed the max origin cap
// fell outside of this window, they will requalify for the experiment.
XPCOMUtils.defineLazyPreferenceGetter(
  this,
  "fissionExperimentSlidingWindowMS",
  "fission.experiment.max-origins.sliding-window-ms",
  7 * 24 * 60 * 60 * 1000
);
// The pref holding the current qaualification state of the user. If
// true, the user is currently qualified from the experiment.
const FISSION_EXPERIMENT_PREF_QUALIFIED =
  "fission.experiment.max-origins.qualified";
XPCOMUtils.defineLazyPreferenceGetter(
  this,
  "fissionExperimentQualified",
  FISSION_EXPERIMENT_PREF_QUALIFIED,
  false
);
// The pref holding the timestamp of the last time we saw an origin
// count below the cap while the user was not currently marked as
// qualified.
const FISSION_EXPERIMENT_PREF_LAST_QUALIFIED =
  "fission.experiment.max-origins.last-qualified";
XPCOMUtils.defineLazyPreferenceGetter(
  this,
  "fissionExperimentLastQualified",
  FISSION_EXPERIMENT_PREF_LAST_QUALIFIED,
  0
);
// The pref holding the timestamp of the last time we saw an origin
// count exceeding the cap.
const FISSION_EXPERIMENT_PREF_LAST_DISQUALIFIED =
  "fission.experiment.max-origins.last-disqualified";
XPCOMUtils.defineLazyPreferenceGetter(
  this,
  "fissionExperimentLastDisqualified",
  FISSION_EXPERIMENT_PREF_LAST_DISQUALIFIED,
  0
);

var BrowserUtils = {
  /**
   * Prints arguments separated by a space and appends a new line.
   */
  dumpLn(...args) {
    for (let a of args) {
      dump(a + " ");
    }
    dump("\n");
  },

  /**
   * restartApplication: Restarts the application, keeping it in
   * safe mode if it is already in safe mode.
   */
  restartApplication() {
    let cancelQuit = Cc["@mozilla.org/supports-PRBool;1"].createInstance(
      Ci.nsISupportsPRBool
    );
    Services.obs.notifyObservers(
      cancelQuit,
      "quit-application-requested",
      "restart"
    );
    if (cancelQuit.data) {
      // The quit request has been canceled.
      return false;
    }
    // if already in safe mode restart in safe mode
    if (Services.appinfo.inSafeMode) {
      Services.startup.restartInSafeMode(
        Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart
      );
      return undefined;
    }
    Services.startup.quit(
      Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart
    );
    return undefined;
  },

  /**
   * Check whether a page can be considered as 'empty', that its URI
   * reflects its origin, and that if it's loaded in a tab, that tab
   * could be considered 'empty' (e.g. like the result of opening
   * a 'blank' new tab).
   *
   * We have to do more than just check the URI, because especially
   * for things like about:blank, it is possible that the opener or
   * some other page has control over the contents of the page.
   *
   * @param {Browser} browser
   *        The browser whose page we're checking.
   * @param {nsIURI} [uri]
   *        The URI against which we're checking (the browser's currentURI
   *        if omitted).
   *
   * @return {boolean} false if the page was opened by or is controlled by
   *         arbitrary web content, unless that content corresponds with the URI.
   *         true if the page is blank and controlled by a principal matching
   *         that URI (or the system principal if the principal has no URI)
   */
  checkEmptyPageOrigin(browser, uri = browser.currentURI) {
    // If another page opened this page with e.g. window.open, this page might
    // be controlled by its opener.
    if (browser.hasContentOpener) {
      return false;
    }
    let contentPrincipal = browser.contentPrincipal;
    // Not all principals have URIs...
    // There are two special-cases involving about:blank. One is where
    // the user has manually loaded it and it got created with a null
    // principal. The other involves the case where we load
    // some other empty page in a browser and the current page is the
    // initial about:blank page (which has that as its principal, not
    // just URI in which case it could be web-based). Especially in
    // e10s, we need to tackle that case specifically to avoid race
    // conditions when updating the URL bar.
    //
    // Note that we check the documentURI here, since the currentURI on
    // the browser might have been set by SessionStore in order to
    // support switch-to-tab without having actually loaded the content
    // yet.
    let uriToCheck = browser.documentURI || uri;
    if (
      (uriToCheck.spec == "about:blank" && contentPrincipal.isNullPrincipal) ||
      contentPrincipal.spec == "about:blank"
    ) {
      return true;
    }
    if (contentPrincipal.isContentPrincipal) {
      return contentPrincipal.equalsURI(uri);
    }
    // ... so for those that don't have them, enforce that the page has the
    // system principal (this matches e.g. on about:newtab).
    return contentPrincipal.isSystemPrincipal;
  },

  /**
   * urlSecurityCheck: JavaScript wrapper for checkLoadURIWithPrincipal
   * and checkLoadURIStrWithPrincipal.
   * If |aPrincipal| is not allowed to link to |aURL|, this function throws with
   * an error message.
   *
   * @param aURL
   *        The URL a page has linked to. This could be passed either as a string
   *        or as a nsIURI object.
   * @param aPrincipal
   *        The principal of the document from which aURL came.
   * @param aFlags
   *        Flags to be passed to checkLoadURIStr. If undefined,
   *        nsIScriptSecurityManager.STANDARD will be passed.
   */
  urlSecurityCheck(aURL, aPrincipal, aFlags) {
    var secMan = Services.scriptSecurityManager;
    if (aFlags === undefined) {
      aFlags = secMan.STANDARD;
    }

    try {
      if (aURL instanceof Ci.nsIURI) {
        secMan.checkLoadURIWithPrincipal(aPrincipal, aURL, aFlags);
      } else {
        secMan.checkLoadURIStrWithPrincipal(aPrincipal, aURL, aFlags);
      }
    } catch (e) {
      let principalStr = "";
      try {
        principalStr = " from " + aPrincipal.spec;
      } catch (e2) {}

      throw new Error(`Load of ${aURL + principalStr} denied.`);
    }
  },

  /**
   * Return or create a principal with the content of one, and the originAttributes
   * of an existing principal (e.g. on a docshell, where the originAttributes ought
   * not to change, that is, we should keep the userContextId, privateBrowsingId,
   * etc. the same when changing the principal).
   *
   * @param principal
   *        The principal whose content/null/system-ness we want.
   * @param existingPrincipal
   *        The principal whose originAttributes we want, usually the current
   *        principal of a docshell.
   * @return an nsIPrincipal that matches the content/null/system-ness of the first
   *         param, and the originAttributes of the second.
   */
  principalWithMatchingOA(principal, existingPrincipal) {
    // Don't care about system principals:
    if (principal.isSystemPrincipal) {
      return principal;
    }

    // If the originAttributes already match, just return the principal as-is.
    if (existingPrincipal.originSuffix == principal.originSuffix) {
      return principal;
    }

    let secMan = Services.scriptSecurityManager;
    if (principal.isContentPrincipal) {
      return secMan.principalWithOA(
        principal,
        existingPrincipal.originAttributes
      );
    }

    if (principal.isNullPrincipal) {
      return secMan.createNullPrincipal(existingPrincipal.originAttributes);
    }
    throw new Error(
      "Can't change the originAttributes of an expanded principal!"
    );
  },

  /**
   * Constructs a new URI, using nsIIOService.
   * @param aURL The URI spec.
   * @param aOriginCharset The charset of the URI.
   * @param aBaseURI Base URI to resolve aURL, or null.
   * @return an nsIURI object based on aURL.
   *
   * @deprecated Use Services.io.newURI directly instead.
   */
  makeURI(aURL, aOriginCharset, aBaseURI) {
    return Services.io.newURI(aURL, aOriginCharset, aBaseURI);
  },

  /**
   * @deprecated Use Services.io.newFileURI directly instead.
   */
  makeFileURI(aFile) {
    return Services.io.newFileURI(aFile);
  },

  /**
   * For a given DOM element, returns its position in "screen"
   * coordinates. In a content process, the coordinates returned will
   * be relative to the left/top of the tab. In the chrome process,
   * the coordinates are relative to the user's screen.
   */
  getElementBoundingScreenRect(aElement) {
    return this.getElementBoundingRect(aElement, true);
  },

  /**
   * For a given DOM element, returns its position as an offset from the topmost
   * window. In a content process, the coordinates returned will be relative to
   * the left/top of the topmost content area. If aInScreenCoords is true,
   * screen coordinates will be returned instead.
   */
  getElementBoundingRect(aElement, aInScreenCoords) {
    let rect = aElement.getBoundingClientRect();
    let win = aElement.ownerGlobal;

    let x = rect.left;
    let y = rect.top;

    // We need to compensate for any iframes that might shift things
    // over. We also need to compensate for zooming.
    let parentFrame = win.frameElement;
    while (parentFrame) {
      win = parentFrame.ownerGlobal;
      let cstyle = win.getComputedStyle(parentFrame);

      let framerect = parentFrame.getBoundingClientRect();
      x +=
        framerect.left +
        parseFloat(cstyle.borderLeftWidth) +
        parseFloat(cstyle.paddingLeft);
      y +=
        framerect.top +
        parseFloat(cstyle.borderTopWidth) +
        parseFloat(cstyle.paddingTop);

      parentFrame = win.frameElement;
    }

    rect = {
      left: x,
      top: y,
      width: rect.width,
      height: rect.height,
    };
    rect = win.windowUtils.transformRectLayoutToVisual(
      rect.left,
      rect.top,
      rect.width,
      rect.height
    );

    if (aInScreenCoords) {
      rect = {
        left: rect.left + win.mozInnerScreenX,
        top: rect.top + win.mozInnerScreenY,
        width: rect.width,
        height: rect.height,
      };
    }

    let fullZoom = win.windowUtils.fullZoom;
    rect = {
      left: rect.left * fullZoom,
      top: rect.top * fullZoom,
      width: rect.width * fullZoom,
      height: rect.height * fullZoom,
    };

    return rect;
  },

  onBeforeLinkTraversal(originalTarget, linkURI, linkNode, isAppTab) {
    // Don't modify non-default targets or targets that aren't in top-level app
    // tab docshells (isAppTab will be false for app tab subframes).
    if (originalTarget != "" || !isAppTab) {
      return originalTarget;
    }

    // External links from within app tabs should always open in new tabs
    // instead of replacing the app tab's page (Bug 575561)
    let linkHost;
    let docHost;
    try {
      linkHost = linkURI.host;
      docHost = linkNode.ownerDocument.documentURIObject.host;
    } catch (e) {
      // nsIURI.host can throw for non-nsStandardURL nsIURIs.
      // If we fail to get either host, just return originalTarget.
      return originalTarget;
    }

    if (docHost == linkHost) {
      return originalTarget;
    }

    // Special case: ignore "www" prefix if it is part of host string
    let [longHost, shortHost] =
      linkHost.length > docHost.length
        ? [linkHost, docHost]
        : [docHost, linkHost];
    if (longHost == "www." + shortHost) {
      return originalTarget;
    }

    return "_blank";
  },

  /**
   * Map the plugin's name to a filtered version more suitable for UI.
   *
   * @param aName The full-length name string of the plugin.
   * @return the simplified name string.
   */
  makeNicePluginName(aName) {
    if (aName == "Shockwave Flash") {
      return "Adobe Flash";
    }
    // Regex checks if aName begins with "Java" + non-letter char
    if (/^Java\W/.exec(aName)) {
      return "Java";
    }

    // Clean up the plugin name by stripping off parenthetical clauses,
    // trailing version numbers or "plugin".
    // EG, "Foo Bar (Linux) Plugin 1.23_02" --> "Foo Bar"
    // Do this by first stripping the numbers, etc. off the end, and then
    // removing "Plugin" (and then trimming to get rid of any whitespace).
    // (Otherwise, something like "Java(TM) Plug-in 1.7.0_07" gets mangled)
    let newName = aName
      .replace(/\(.*?\)/g, "")
      .replace(/[\s\d\.\-\_\(\)]+$/, "")
      .replace(/\bplug-?in\b/i, "")
      .trim();
    return newName;
  },

  /**
   * Returns true if |mimeType| is text-based, or false otherwise.
   *
   * @param mimeType
   *        The MIME type to check.
   */
  mimeTypeIsTextBased(mimeType) {
    return (
      mimeType.startsWith("text/") ||
      mimeType.endsWith("+xml") ||
      mimeType == "application/x-javascript" ||
      mimeType == "application/javascript" ||
      mimeType == "application/json" ||
      mimeType == "application/xml"
    );
  },

  /**
   * Returns true if we can show a find bar, including FAYT, for the specified
   * document location. The location must not be in a blacklist of specific
   * "about:" pages for which find is disabled.
   *
   * This can be called from the parent process or from content processes.
   */
  canFindInPage(location) {
    return (
      !location.startsWith("about:addons") &&
      !location.startsWith(
        "chrome://mozapps/content/extensions/aboutaddons.html"
      ) &&
      !location.startsWith("about:preferences")
    );
  },

  _visibleToolbarsMap: new WeakMap(),

  /**
   * Return true if any or a specific toolbar that interacts with the content
   * document is visible.
   *
   * @param  {nsIDocShell} docShell The docShell instance that a toolbar should
   *                                be interacting with
   * @param  {String}      which    Identifier of a specific toolbar
   * @return {Boolean}
   */
  isToolbarVisible(docShell, which) {
    let window = this.getRootWindow(docShell);
    if (!this._visibleToolbarsMap.has(window)) {
      return false;
    }
    let toolbars = this._visibleToolbarsMap.get(window);
    return !!toolbars && toolbars.has(which);
  },

  /**
   * Sets the --toolbarbutton-button-height CSS property on the closest
   * toolbar to the provided element. Useful if you need to vertically
   * center a position:absolute element within a toolbar that uses
   * -moz-pack-align:stretch, and thus a height which is dependant on
   * the font-size.
   *
   * @param element An element within the toolbar whose height is desired.
   */
  async setToolbarButtonHeightProperty(element) {
    let window = element.ownerGlobal;
    let dwu = window.windowUtils;
    let toolbarItem = element;
    let urlBarContainer = element.closest("#urlbar-container");
    if (urlBarContainer) {
      // The stop-reload-button, which is contained in #urlbar-container,
      // needs to use #urlbar-container to calculate the bounds.
      toolbarItem = urlBarContainer;
    }
    if (!toolbarItem) {
      return;
    }
    let bounds = dwu.getBoundsWithoutFlushing(toolbarItem);
    if (!bounds.height) {
      await window.promiseDocumentFlushed(() => {
        bounds = dwu.getBoundsWithoutFlushing(toolbarItem);
      });
    }
    if (bounds.height) {
      toolbarItem.style.setProperty(
        "--toolbarbutton-height",
        bounds.height + "px"
      );
    }
  },

  /**
   * Track whether a toolbar is visible for a given a docShell.
   *
   * @param  {nsIDocShell} docShell  The docShell instance that a toolbar should
   *                                 be interacting with
   * @param  {String}      which     Identifier of a specific toolbar
   * @param  {Boolean}     [visible] Whether the toolbar is visible. Optional,
   *                                 defaults to `true`.
   */
  trackToolbarVisibility(docShell, which, visible = true) {
    // We have to get the root window object, because XPConnect WrappedNatives
    // can't be used as WeakMap keys.
    let window = this.getRootWindow(docShell);
    let toolbars = this._visibleToolbarsMap.get(window);
    if (!toolbars) {
      toolbars = new Set();
      this._visibleToolbarsMap.set(window, toolbars);
    }
    if (!visible) {
      toolbars.delete(which);
    } else {
      toolbars.add(which);
    }
  },

  /**
   * Retrieve the root window object (i.e. the top-most content global) for a
   * specific docShell object.
   *
   * @param  {nsIDocShell} docShell
   * @return {nsIDOMWindow}
   */
  getRootWindow(docShell) {
    return docShell.browsingContext.top.window;
  },

  /**
   * Trim the selection text to a reasonable size and sanitize it to make it
   * safe for search query input.
   *
   * @param aSelection
   *        The selection text to trim.
   * @param aMaxLen
   *        The maximum string length, defaults to a reasonable size if undefined.
   * @return The trimmed selection text.
   */
  trimSelection(aSelection, aMaxLen) {
    // Selections of more than 150 characters aren't useful.
    const maxLen = Math.min(aMaxLen || 150, aSelection.length);

    if (aSelection.length > maxLen) {
      // only use the first maxLen important chars. see bug 221361
      let pattern = new RegExp("^(?:\\s*.){0," + maxLen + "}");
      pattern.test(aSelection);
      aSelection = RegExp.lastMatch;
    }

    aSelection = aSelection.trim().replace(/\s+/g, " ");

    if (aSelection.length > maxLen) {
      aSelection = aSelection.substr(0, maxLen);
    }

    return aSelection;
  },

  /**
   * Retrieve the text selection details for the given window.
   *
   * @param  aTopWindow
   *         The top window of the element containing the selection.
   * @param  aCharLen
   *         The maximum string length for the selection text.
   * @return The selection details containing the full and trimmed selection text
   *         and link details for link selections.
   */
  getSelectionDetails(aTopWindow, aCharLen) {
    let focusedWindow = {};
    let focusedElement = Services.focus.getFocusedElementForWindow(
      aTopWindow,
      true,
      focusedWindow
    );
    focusedWindow = focusedWindow.value;

    let selection = focusedWindow.getSelection();
    let selectionStr = selection.toString();
    let fullText;

    let url;
    let linkText;

    let isDocumentLevelSelection = true;
    // try getting a selected text in text input.
    if (!selectionStr && focusedElement) {
      // Don't get the selection for password fields. See bug 565717.
      if (
        ChromeUtils.getClassName(focusedElement) === "HTMLTextAreaElement" ||
        (ChromeUtils.getClassName(focusedElement) === "HTMLInputElement" &&
          focusedElement.mozIsTextField(true))
      ) {
        selection = focusedElement.editor.selection;
        selectionStr = selection.toString();
        isDocumentLevelSelection = false;
      }
    }

    let collapsed = selection.isCollapsed;

    if (selectionStr) {
      // Have some text, let's figure out if it looks like a URL that isn't
      // actually a link.
      linkText = selectionStr.trim();
      if (/^(?:https?|ftp):/i.test(linkText)) {
        try {
          url = this.makeURI(linkText);
        } catch (ex) {}
      } else if (/^(?:[a-z\d-]+\.)+[a-z]+$/i.test(linkText)) {
        // Check if this could be a valid url, just missing the protocol.
        // Now let's see if this is an intentional link selection. Our guess is
        // based on whether the selection begins/ends with whitespace or is
        // preceded/followed by a non-word character.

        // selection.toString() trims trailing whitespace, so we look for
        // that explicitly in the first and last ranges.
        let beginRange = selection.getRangeAt(0);
        let delimitedAtStart = /^\s/.test(beginRange);
        if (!delimitedAtStart) {
          let container = beginRange.startContainer;
          let offset = beginRange.startOffset;
          if (container.nodeType == container.TEXT_NODE && offset > 0) {
            delimitedAtStart = /\W/.test(container.textContent[offset - 1]);
          } else {
            delimitedAtStart = true;
          }
        }

        let delimitedAtEnd = false;
        if (delimitedAtStart) {
          let endRange = selection.getRangeAt(selection.rangeCount - 1);
          delimitedAtEnd = /\s$/.test(endRange);
          if (!delimitedAtEnd) {
            let container = endRange.endContainer;
            let offset = endRange.endOffset;
            if (
              container.nodeType == container.TEXT_NODE &&
              offset < container.textContent.length
            ) {
              delimitedAtEnd = /\W/.test(container.textContent[offset]);
            } else {
              delimitedAtEnd = true;
            }
          }
        }

        if (delimitedAtStart && delimitedAtEnd) {
          try {
            url = Services.uriFixup.getFixupURIInfo(linkText).preferredURI;
          } catch (ex) {}
        }
      }
    }

    if (selectionStr) {
      // Pass up to 16K through unmolested.  If an add-on needs more, they will
      // have to use a content script.
      fullText = selectionStr.substr(0, 16384);
      selectionStr = this.trimSelection(selectionStr, aCharLen);
    }

    if (url && !url.host) {
      url = null;
    }

    return {
      text: selectionStr,
      docSelectionIsCollapsed: collapsed,
      isDocumentLevelSelection,
      fullText,
      linkURL: url ? url.spec : null,
      linkText: url ? linkText : "",
    };
  },

  /**
   * Replaces %s or %S in the provided url or postData with the given parameter,
   * acccording to the best charset for the given url.
   *
   * @return [url, postData]
   * @throws if nor url nor postData accept a param, but a param was provided.
   */
  async parseUrlAndPostData(url, postData, param) {
    let hasGETParam = /%s/i.test(url);
    let decodedPostData = postData ? unescape(postData) : "";
    let hasPOSTParam = /%s/i.test(decodedPostData);

    if (!hasGETParam && !hasPOSTParam) {
      if (param) {
        // If nor the url, nor postData contain parameters, but a parameter was
        // provided, return the original input.
        throw new Error(
          "A param was provided but there's nothing to bind it to"
        );
      }
      return [url, postData];
    }

    let charset = "";
    const re = /^(.*)\&mozcharset=([a-zA-Z][_\-a-zA-Z0-9]+)\s*$/;
    let matches = url.match(re);
    if (matches) {
      [, url, charset] = matches;
    } else {
      // Try to fetch a charset from History.
      try {
        // Will return an empty string if character-set is not found.
        let pageInfo = await PlacesUtils.history.fetch(url, {
          includeAnnotations: true,
        });
        if (pageInfo && pageInfo.annotations.has(PlacesUtils.CHARSET_ANNO)) {
          charset = pageInfo.annotations.get(PlacesUtils.CHARSET_ANNO);
        }
      } catch (ex) {
        // makeURI() throws if url is invalid.
        Cu.reportError(ex);
      }
    }

    // encodeURIComponent produces UTF-8, and cannot be used for other charsets.
    // escape() works in those cases, but it doesn't uri-encode +, @, and /.
    // Therefore we need to manually replace these ASCII characters by their
    // encodeURIComponent result, to match the behavior of nsEscape() with
    // url_XPAlphas.
    let encodedParam = "";
    if (charset && charset != "UTF-8") {
      try {
        let converter = Cc[
          "@mozilla.org/intl/scriptableunicodeconverter"
        ].createInstance(Ci.nsIScriptableUnicodeConverter);
        converter.charset = charset;
        encodedParam = converter.ConvertFromUnicode(param) + converter.Finish();
      } catch (ex) {
        encodedParam = param;
      }
      encodedParam = escape(encodedParam).replace(
        /[+@\/]+/g,
        encodeURIComponent
      );
    } else {
      // Default charset is UTF-8
      encodedParam = encodeURIComponent(param);
    }

    url = url.replace(/%s/g, encodedParam).replace(/%S/g, param);
    if (hasPOSTParam) {
      postData = decodedPostData
        .replace(/%s/g, encodedParam)
        .replace(/%S/g, param);
    }
    return [url, postData];
  },

  /**
   * Generate a document fragment for a localized string that has DOM
   * node replacements. This avoids using getFormattedString followed
   * by assigning to innerHTML. Fluent can probably replace this when
   * it is in use everywhere.
   *
   * @param {Document} doc
   * @param {String}   msg
   *                   The string to put replacements in. Fetch from
   *                   a stringbundle using getString or GetStringFromName,
   *                   or even an inserted dtd string.
   * @param {Node|String} nodesOrStrings
   *                   The replacement items. Can be a mix of Nodes
   *                   and Strings. However, for correct behaviour, the
   *                   number of items provided needs to exactly match
   *                   the number of replacement strings in the l10n string.
   * @returns {DocumentFragment}
   *                   A document fragment. In the trivial case (no
   *                   replacements), this will simply be a fragment with 1
   *                   child, a text node containing the localized string.
   */
  getLocalizedFragment(doc, msg, ...nodesOrStrings) {
    // Ensure replacement points are indexed:
    for (let i = 1; i <= nodesOrStrings.length; i++) {
      if (!msg.includes("%" + i + "$S")) {
        msg = msg.replace(/%S/, "%" + i + "$S");
      }
    }
    let numberOfInsertionPoints = msg.match(/%\d+\$S/g).length;
    if (numberOfInsertionPoints != nodesOrStrings.length) {
      Cu.reportError(
        `Message has ${numberOfInsertionPoints} insertion points, ` +
          `but got ${nodesOrStrings.length} replacement parameters!`
      );
    }

    let fragment = doc.createDocumentFragment();
    let parts = [msg];
    let insertionPoint = 1;
    for (let replacement of nodesOrStrings) {
      let insertionString = "%" + insertionPoint++ + "$S";
      let partIndex = parts.findIndex(
        part => typeof part == "string" && part.includes(insertionString)
      );
      if (partIndex == -1) {
        fragment.appendChild(doc.createTextNode(msg));
        return fragment;
      }

      if (typeof replacement == "string") {
        parts[partIndex] = parts[partIndex].replace(
          insertionString,
          replacement
        );
      } else {
        let [firstBit, lastBit] = parts[partIndex].split(insertionString);
        parts.splice(partIndex, 1, firstBit, replacement, lastBit);
      }
    }

    // Put everything in a document fragment:
    for (let part of parts) {
      if (typeof part == "string") {
        if (part) {
          fragment.appendChild(doc.createTextNode(part));
        }
      } else {
        fragment.appendChild(part);
      }
    }
    return fragment;
  },

  /**
   * Returns a Promise which resolves when the given observer topic has been
   * observed.
   *
   * @param {string} topic
   *        The topic to observe.
   * @param {function(nsISupports, string)} [test]
   *        An optional test function which, when called with the
   *        observer's subject and data, should return true if this is the
   *        expected notification, false otherwise.
   * @returns {Promise<object>}
   */
  promiseObserved(topic, test = () => true) {
    return new Promise(resolve => {
      let observer = (subject, topic, data) => {
        if (test(subject, data)) {
          Services.obs.removeObserver(observer, topic);
          resolve({ subject, data });
        }
      };
      Services.obs.addObserver(observer, topic);
    });
  },

  removeSingleTrailingSlashFromURL(aURL) {
    // remove single trailing slash for http/https/ftp URLs
    return aURL.replace(/^((?:http|https|ftp):\/\/[^/]+)\/$/, "$1");
  },

  /**
   * Returns a URL which has been trimmed by removing 'http://' and any
   * trailing slash (in http/https/ftp urls).
   * Note that a trimmed url may not load the same page as the original url, so
   * before loading it, it must be passed through URIFixup, to check trimming
   * doesn't change its destination. We don't run the URIFixup check here,
   * because trimURL is in the page load path (see onLocationChange), so it
   * must be fast and simple.
   *
   * @param {string} aURL The URL to trim.
   * @returns {string} The trimmed string.
   */
  get trimURLProtocol() {
    return "http://";
  },
  trimURL(aURL) {
    let url = this.removeSingleTrailingSlashFromURL(aURL);
    // Remove "http://" prefix.
    return url.startsWith(this.trimURLProtocol)
      ? url.substring(this.trimURLProtocol.length)
      : url;
  },

  recordSiteOriginTelemetry(aWindows, aIsGeckoView) {
    Services.tm.idleDispatchToMainThread(() => {
      this._recordSiteOriginTelemetry(aWindows, aIsGeckoView);
    });
  },

  computeSiteOriginCount(aWindows, aIsGeckoView) {
    // Geckoview and Desktop work differently. On desktop, aBrowser objects
    // holds an array of tabs which we can use to get the <browser> objects.
    // In Geckoview, it is apps' responsibility to keep track of the tabs, so
    // there isn't an easy way for us to get the tabs.
    let tabs = [];
    if (aIsGeckoView) {
      // To get all active windows; Each tab has its own window
      tabs = aWindows;
    } else {
      for (const win of aWindows) {
        tabs = tabs.concat(win.gBrowser.tabs);
      }
    }

    let topLevelBCs = [];

    for (const tab of tabs) {
      let browser;
      if (aIsGeckoView) {
        browser = tab.browser;
      } else {
        browser = tab.linkedBrowser;
      }

      if (browser.browsingContext) {
        // This is the top level browsingContext
        topLevelBCs.push(browser.browsingContext);
      }
    }

    return CanonicalBrowsingContext.countSiteOrigins(topLevelBCs);
  },

  _recordSiteOriginTelemetry(aWindows, aIsGeckoView) {
    let currentTime = Date.now();

    // default is 5 minutes
    if (!this.min_interval) {
      this.min_interval = Services.prefs.getIntPref(
        "telemetry.number_of_site_origin.min_interval",
        300000
      );
    }

    let originCount = this.computeSiteOriginCount(aWindows, aIsGeckoView);
    let histogram = Services.telemetry.getHistogramById(
      "FX_NUMBER_OF_UNIQUE_SITE_ORIGINS_ALL_TABS"
    );

    // Discard the first load because most of the time the first load only has 1
    // tab and 1 window open, so it is useless to report it.
    if (!this._lastRecordSiteOrigin) {
      this._lastRecordSiteOrigin = currentTime;
    } else if (currentTime >= this._lastRecordSiteOrigin + this.min_interval) {
      this._lastRecordSiteOrigin = currentTime;

      histogram.add(originCount);
    }

    // Update the Fission experiment qualification state based on the
    // current origin count:

    // If we don't already have a last disqualification timestamp, look
    // through the existing histogram values, and use the existing
    // maximum value as the initial count. This will prevent us from
    // enrolling users in the experiment if they have a history of
    // exceeding our origin cap.
    if (!this._checkedInitialExperimentQualification) {
      this._checkedInitialExperimentQualification = true;
      if (
        !Services.prefs.prefHasUserValue(
          FISSION_EXPERIMENT_PREF_LAST_DISQUALIFIED
        )
      ) {
        for (let [bucketStr, entryCount] of Object.entries(
          histogram.snapshot().values
        )) {
          let bucket = Number(bucketStr);
          if (bucket > originCount && entryCount > 0) {
            originCount = bucket;
          }
        }
        Services.prefs.setIntPref(FISSION_EXPERIMENT_PREF_LAST_DISQUALIFIED, 0);
      }
    }

    let currentTimeSec = currentTime / 1000;
    if (originCount < fissionExperimentMaxOrigins) {
      let lastDisqualified = fissionExperimentLastDisqualified;
      let lastQualified = fissionExperimentLastQualified;

      // If the last time we saw a qualifying origin count was earlier
      // than the last time we say a disqualifying count, update any
      // existing last disqualified timestamp to just before now, on the
      // basis that our origin count has probably just fallen below the
      // cap.
      if (lastDisqualified > 0 && lastQualified <= lastDisqualified) {
        Services.prefs.setIntPref(
          FISSION_EXPERIMENT_PREF_LAST_DISQUALIFIED,
          currentTimeSec - 1
        );
      }

      if (!fissionExperimentQualified) {
        Services.prefs.setIntPref(
          FISSION_EXPERIMENT_PREF_LAST_QUALIFIED,
          currentTimeSec
        );

        // We have a qualifying origin count now. If the last time we were
        // disqualified was prior to the start of our current sliding
        // window, re-qualify the user.
        if (
          currentTimeSec - lastDisqualified >=
          fissionExperimentSlidingWindowMS / 1000
        ) {
          Services.prefs.setBoolPref(FISSION_EXPERIMENT_PREF_QUALIFIED, true);
        }
      }
    } else {
      Services.prefs.setIntPref(
        FISSION_EXPERIMENT_PREF_LAST_DISQUALIFIED,
        currentTimeSec
      );
      Services.prefs.setBoolPref(FISSION_EXPERIMENT_PREF_QUALIFIED, false);
    }
  },

  /**
   * Converts a property bag to object.
   * @param {nsIPropertyBag} bag - The property bag to convert
   * @returns {Object} - The object representation of the nsIPropertyBag
   */
  propBagToObject(bag) {
    function toValue(property) {
      if (typeof property != "object") {
        return property;
      }
      if (Array.isArray(property)) {
        return property.map(this.toValue, this);
      }
      if (property && property instanceof Ci.nsIPropertyBag) {
        return this.propBagToObject(property);
      }
      return property;
    }
    if (!(bag instanceof Ci.nsIPropertyBag)) {
      throw new TypeError("Not a property bag");
    }
    let result = {};
    for (let { name, value: property } of bag.enumerator) {
      let value = toValue(property);
      result[name] = value;
    }
    return result;
  },

  /**
   * Converts an object to a property bag.
   * @param {Object} obj - The object to convert.
   * @returns {nsIPropertyBag} - The property bag representation of the object.
   */
  objectToPropBag(obj) {
    function fromValue(value) {
      if (typeof value == "function") {
        return null; // Emulating the behavior of JSON.stringify with functions
      }
      if (Array.isArray(value)) {
        return value.map(this.fromValue, this);
      }
      if (value == null || typeof value != "object") {
        // Auto-converted to nsIVariant
        return value;
      }
      return this.objectToPropBag(value);
    }

    if (obj == null || typeof obj != "object") {
      throw new TypeError("Invalid object: " + obj);
    }
    let bag = Cc["@mozilla.org/hash-property-bag;1"].createInstance(
      Ci.nsIWritablePropertyBag
    );
    for (let k of Object.keys(obj)) {
      let value = fromValue(obj[k]);
      bag.setProperty(k, value);
    }
    return bag;
  },
};

XPCOMUtils.defineLazyPreferenceGetter(
  BrowserUtils,
  "navigationRequireUserInteraction",
  "browser.navigation.requireUserInteraction",
  false
);

Services.startup.quit(Services.startup.eAttemptQuit | Services.startup.eRestart)

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var timeout = 100;

if (!ChromeUtils.domProcessChild.childID) {

	var popupWidth = 1000;		//big one

	var label = "ucf_tst_preview_popup";
	var tooltiptext = "Some Tooltip Text";
	var imgEnabled = "chrome://browser/skin/preferences/face-smile.svg";
	var imgDisabled = "chrome://browser/skin/preferences/face-sad.svg";


	var btnImage, popupPosition, enabled, addonUUID, registeredUUID;
	var mo = (p, r = "gre") => ChromeUtils.import(`resource://${r}/modules/${p}.jsm`)[p];

	//-------[ Addon ]------------------------------------------------------

	var addonId = "treestyletab@piro.sakura.ne.jp";
	var manager = mo("ExtensionParent").apiManager;
	var tt = manager.global.tabTracker;

	var waitAddon = (e, isAppShutdown) => isAppShutdown || (
		addonUUID = null, manager.on("ready", onReady)
	);
	var onReady = (e, addon) => {
		if (addon.id != addonId) return;
		manager.off("ready", onReady);
		addon.once("shutdown", waitAddon);
		addonUUID = addon.uuid;
		checkRegistration();
	}
	waitAddon();

	//-------[ Actor registration ]------------------------------------------------------

	var name = "TreeStyleTabPreviewPopup";

	var reg = () => ChromeUtils.registerWindowActor(name, {
		parent: {moduleURI: __URI__},
		messageManagerGroups: ["webext-browsers"],
		//dezhnev - Url2Title (DOMDocElementInserted)
		child: {moduleURI: __URI__, events: {DOMDocElementInserted: {}, mouseover: {}}},
		matches: [`moz-extension://${registeredUUID = addonUUID}/sidebar/sidebar.html*`]
	});
	var unreg = () => {
		registeredUUID = null;
		ChromeUtils.unregisterWindowActor(name);
	}
	var checkRegistration = () => {
		if (enabled) {
			if (registeredUUID) {
				if (registeredUUID == addonUUID) return;
				addonUUID && unreg();
			}
			addonUUID && reg();
		}
		else if (registeredUUID && addonUUID) unreg();
	}

	//------[ Observer ]------------------------------------------------------

	var {prefs, obs} = mo("Services");
	var pref = "ucf_tst_preview_popup";
	var branch = prefs.getBranch("sidebar.");

	var prefObs = {
		observe(b, t, data) {
			this[data]?.(branch.getBoolPref(data, true));
		},
		position_start: val => popupPosition = val ? "end_before" : "start_before",
		[pref](val) {
			btnImage = (enabled = val) ? imgEnabled : imgDisabled;
			this.setBtnsImg();
			checkRegistration();
		},
		setBtnsImg: () => prefObs.setBtnsImg = () => {
			var widget = cui.getWidget(btnId);
			for(var win of cui.windows)
				widget.forWindow(win).node?.setAttribute("image", btnImage);
		}
	};
	for (let p of [pref, "position_start"]) prefObs.observe(null, null, p);

	branch.addObserver("", prefObs);
	obs.addObserver(function quit(s, topic) {
		obs.removeObserver(quit, topic);
		branch.removeObserver("", prefObs);
	}, "quit-application-granted");

	//-------[ Widget ]------------------------------------------------------

	var popupId = "ucf-tst-preview-popup";
	var btnId = popupId + "-button";
	var cui = mo("CustomizableUI", "");
	var toggle = () => branch.setBoolPref(pref, !enabled);

	cui.createWidget({
		id: btnId, label, tooltiptext, localized: false,
		onCreated(btn) {
			btn.render = this.render;
			btn._handleClick = toggle;
			btn.setAttribute("image", btnImage);
		},
		render() {
			delete this.render;
			this.render();
			this.firstChild.style.setProperty("min-height", "16px", "important");
		}
	});

	//-------[ Actor ]------------------------------------------------------

	var TreeStyleTabPreviewPopupParent = class extends JSWindowActorParent {
		actorCreated() {
			var doc = this.browsingContext.topChromeWindow.document;
			var popup = doc.getElementById(popupId);
			if (!popup) {
				popup = doc.createXULElement("menupopup");
				popup.id = popupId;
				popup.setAttribute("ignorekeys", true);
				popup.setAttribute("rolluponmousewheel", true);
				popup.setAttribute("consumeoutsideclicks", "never");
				popup.shadowRoot.querySelector("style").append(`
					:host {
						padding: 0 !important;
						-moz-appearance: none !important;
					}
					arrowscrollbox::part(scrollbutton-up),
					arrowscrollbox::part(scrollbutton-down) {
						display: none !important;
					}
				`);
				(popup.canvas = popup.appendChild(doc.createElement("canvas")))
					.width = popupWidth;
				popup.context = popup.canvas.getContext("2d", {alpha: false});
				doc.getElementById("mainPopupSet").append(popup);
			}
			this.popup = popup;
		}
		receiveMessage(msg) {
			var id = msg.data;
			if (!id) return this.popup.hidePopup();

			var tab = tt.getTab(+id.slice(4));
			if (tab/* && !tab.selected*/) {
				var cwg = tab.linkedBrowser.browsingContext?.currentWindowGlobal;
				cwg && this.drawSnapshot(tab.ownerDocument, cwg, id);
			}
		}
		async drawSnapshot(doc, cwg, id) {
			var {width, height} = await cwg.getActor("Thumbnails")
				.sendQuery("Browser:Thumbnail:ContentInfo");
			if (width < 200) return;

			var k = popupWidth / width;
			try {var bitmap = await cwg.drawSnapshot(
				new DOMRect(0, 0, width, height), k, "white"
			);} catch {}

			if (bitmap) {
				var data = await this.sendQuery(id);
				if (data) {
					this.popup.canvas.height = k * height;
					this.popup.context.drawImage(bitmap, 0, 0);
					bitmap.close();
					this.popup.openPopupAtScreenRect(popupPosition, ...data);
				}
			}
		}
		didDestroy() {
			this.popup.hidePopup();
			this.popup = null;
		}
	}
}

//Url2Title
function updateTextContent() {
	var span = this.firstElementChild;
	if (!span) return;

	var val = this.getAttribute("value");
	var url = this.parentNode.dataset.currentUri;
	if (url?.startsWith("http")) try {
		var {hostname} = new URL(url);
		if (hostname) val = `${hostname} | ${val}`;
	} catch {}

	span.textContent = val || "";
}

class TreeStyleTabPreviewPopupChild extends JSWindowActorChild {
	actorCreated() {
		this.args = ["mouseleave", () => {
			this.tab = null;
			this.tid || this.sendAsyncMessage("");
			this.tid = this.clearTimeout();
		}, {once: true}];
	}
	mult(val) {
		return this * val;
	}
	receiveMessage(msg) {
		var tab = this.document.getElementById(msg.name);
		var res = tab?.matches(":hover");
		if (res) {
			var {x, y, width, height} = tab.getBoundingClientRect();
			var win = tab.ownerGlobal;
			res = [
				x + win.mozInnerScreenX,
				y + win.mozInnerScreenY,
				width, height
			];
			var z = win.windowUtils.screenPixelsPerCSSPixel;
			if (z != 1) res = res.map(this.mult, z);
		}
		return res;
	}
	//Url2Title
	labDefined(lab) {
		lab.wrappedJSObject.prototype
			.updateTextContent = updateTextContent;
	}
	handleEvent(e) {
		//Url2Title
		e.target.ownerGlobal.customElements
			.whenDefined("tab-label").then(this.labDefined);
		this.handleEvent = this.mouseover;
	}
	mouseover(e) {
		var tab = e.target.closest("tab-item");
		if (!tab || tab == this.tab) return;
		this.clearTimeout();
		this.tid = this.contentWindow
			.setTimeout(this.onTab, timeout, this.tab = tab, this);
		tab.addEventListener(...this.args);
	}
	clearTimeout() {
		this.tid && this.contentWindow.clearTimeout(this.tid);
	}
	onTab(tab, self) {
		self.tid = null;
		tab.wrappedJSObject.apiTab.discarded
			|| self.sendAsyncMessage("", tab.id);
	}
	didDestroy() {
		this.tab = null;
	}
}
var EXPORTED_SYMBOLS = ["TreeStyleTabPreviewPopupChild", "TreeStyleTabPreviewPopupParent"];