forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			1263 lines
		
	
	
	
		
			36 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			1263 lines
		
	
	
	
		
			36 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set sts=2 sw=2 et tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
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 * You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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// This file provides some useful code for the |tabs| and |windows|
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// modules. All of the code is installed on |global|, which is a scope
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// shared among the different ext-*.js scripts.
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ChromeUtils.defineESModuleGetters(this, {
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  AboutReaderParent: "resource:///actors/AboutReaderParent.sys.mjs",
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  BrowserWindowTracker: "resource:///modules/BrowserWindowTracker.sys.mjs",
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  PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.sys.mjs",
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  PromiseUtils: "resource://gre/modules/PromiseUtils.sys.mjs",
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});
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var { ExtensionError } = ExtensionUtils;
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var { defineLazyGetter } = ExtensionCommon;
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const READER_MODE_PREFIX = "about:reader";
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let tabTracker;
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let windowTracker;
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function isPrivateTab(nativeTab) {
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  return PrivateBrowsingUtils.isBrowserPrivate(nativeTab.linkedBrowser);
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}
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/* eslint-disable mozilla/balanced-listeners */
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extensions.on("uninstalling", (msg, extension) => {
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  if (extension.uninstallURL) {
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    let browser = windowTracker.topWindow.gBrowser;
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    browser.addTab(extension.uninstallURL, {
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      relatedToCurrent: true,
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      triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal(
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        {}
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      ),
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    });
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  }
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});
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extensions.on("page-shutdown", (type, context) => {
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  if (context.viewType == "tab") {
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    if (context.extension.id !== context.xulBrowser.contentPrincipal.addonId) {
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      // Only close extension tabs.
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      // This check prevents about:addons from closing when it contains a
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      // WebExtension as an embedded inline options page.
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      return;
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    }
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    let { gBrowser } = context.xulBrowser.ownerGlobal;
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    if (gBrowser && gBrowser.getTabForBrowser) {
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      let nativeTab = gBrowser.getTabForBrowser(context.xulBrowser);
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      if (nativeTab) {
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        gBrowser.removeTab(nativeTab);
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      }
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    }
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  }
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});
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/* eslint-enable mozilla/balanced-listeners */
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global.openOptionsPage = extension => {
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  let window = windowTracker.topWindow;
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  if (!window) {
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    return Promise.reject({ message: "No browser window available" });
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  }
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  if (extension.manifest.options_ui.open_in_tab) {
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    window.switchToTabHavingURI(extension.manifest.options_ui.page, true, {
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      triggeringPrincipal: extension.principal,
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    });
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    return Promise.resolve();
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  }
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  let viewId = `addons://detail/${encodeURIComponent(
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    extension.id
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  )}/preferences`;
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  return window.BrowserOpenAddonsMgr(viewId);
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};
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global.makeWidgetId = id => {
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  id = id.toLowerCase();
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  // FIXME: This allows for collisions.
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  return id.replace(/[^a-z0-9_-]/g, "_");
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};
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global.clickModifiersFromEvent = event => {
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  const map = {
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    shiftKey: "Shift",
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    altKey: "Alt",
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    metaKey: "Command",
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    ctrlKey: "Ctrl",
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  };
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  let modifiers = Object.keys(map)
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    .filter(key => event[key])
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    .map(key => map[key]);
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  if (event.ctrlKey && AppConstants.platform === "macosx") {
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    modifiers.push("MacCtrl");
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  }
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  return modifiers;
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};
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global.waitForTabLoaded = (tab, url) => {
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  return new Promise(resolve => {
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    windowTracker.addListener("progress", {
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      onLocationChange(browser, webProgress, request, locationURI, flags) {
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        if (
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          webProgress.isTopLevel &&
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          browser.ownerGlobal.gBrowser.getTabForBrowser(browser) == tab &&
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          (!url || locationURI.spec == url)
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        ) {
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          windowTracker.removeListener("progress", this);
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          resolve();
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        }
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      },
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    });
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  });
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};
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global.replaceUrlInTab = (gBrowser, tab, uri) => {
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  let loaded = waitForTabLoaded(tab, uri.spec);
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  gBrowser.loadURI(uri, {
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    flags: Ci.nsIWebNavigation.LOAD_FLAGS_REPLACE_HISTORY,
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    triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(), // This is safe from this functions usage however it would be preferred not to dot his.
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  });
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  return loaded;
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};
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/**
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 * Manages tab-specific and window-specific context data, and dispatches
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 * tab select events across all windows.
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 */
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global.TabContext = class extends EventEmitter {
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  /**
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   * @param {Function} getDefaultPrototype
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   *        Provides the prototype of the context value for a tab or window when there is none.
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   *        Called with a XULElement or ChromeWindow argument.
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   *        Should return an object or null.
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   */
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  constructor(getDefaultPrototype) {
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    super();
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    this.getDefaultPrototype = getDefaultPrototype;
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    this.tabData = new WeakMap();
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    windowTracker.addListener("progress", this);
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    windowTracker.addListener("TabSelect", this);
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    this.tabAdopted = this.tabAdopted.bind(this);
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    tabTracker.on("tab-adopted", this.tabAdopted);
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  }
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  /**
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   * Returns the context data associated with `keyObject`.
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   *
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   * @param {XULElement|ChromeWindow} keyObject
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   *        Browser tab or browser chrome window.
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   * @returns {object}
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   */
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  get(keyObject) {
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    if (!this.tabData.has(keyObject)) {
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      let data = Object.create(this.getDefaultPrototype(keyObject));
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      this.tabData.set(keyObject, data);
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    }
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    return this.tabData.get(keyObject);
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  }
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  /**
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   * Clears the context data associated with `keyObject`.
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   *
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   * @param {XULElement|ChromeWindow} keyObject
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   *        Browser tab or browser chrome window.
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   */
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  clear(keyObject) {
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    this.tabData.delete(keyObject);
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  }
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  handleEvent(event) {
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    if (event.type == "TabSelect") {
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      let nativeTab = event.target;
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      this.emit("tab-select", nativeTab);
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      this.emit("location-change", nativeTab);
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    }
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  }
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  onLocationChange(browser, webProgress, request, locationURI, flags) {
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    if (!webProgress.isTopLevel) {
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      // Only pageAction and browserAction are consuming the "location-change" event
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      // to update their per-tab status, and they should only do so in response of
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      // location changes related to the top level frame (See Bug 1493470 for a rationale).
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      return;
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    }
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    let gBrowser = browser.ownerGlobal.gBrowser;
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    let tab = gBrowser.getTabForBrowser(browser);
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    // fromBrowse will be false in case of e.g. a hash change or history.pushState
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    let fromBrowse = !(
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      flags & Ci.nsIWebProgressListener.LOCATION_CHANGE_SAME_DOCUMENT
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    );
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    this.emit("location-change", tab, fromBrowse);
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  }
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  /**
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   * Persists context data when a tab is moved between windows.
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   *
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   * @param {string} eventType
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   *        Event type, should be "tab-adopted".
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   * @param {NativeTab} adoptingTab
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   *        The tab which is being opened and adopting `adoptedTab`.
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   * @param {NativeTab} adoptedTab
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   *        The tab which is being closed and adopted by `adoptingTab`.
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   */
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  tabAdopted(eventType, adoptingTab, adoptedTab) {
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    if (!this.tabData.has(adoptedTab)) {
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      return;
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    }
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    // Create a new object (possibly with different inheritance) when a tab is moved
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    // into a new window. But then reassign own properties from the old object.
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    let newData = this.get(adoptingTab);
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    let oldData = this.tabData.get(adoptedTab);
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    this.tabData.delete(adoptedTab);
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    Object.assign(newData, oldData);
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  }
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  /**
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   * Makes the TabContext instance stop emitting events.
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   */
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  shutdown() {
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    windowTracker.removeListener("progress", this);
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    windowTracker.removeListener("TabSelect", this);
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    tabTracker.off("tab-adopted", this.tabAdopted);
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  }
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};
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// This promise is used to wait for the search service to be initialized.
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// None of the code in the WebExtension modules requests that initialization.
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// It is assumed that it is started at some point. That might never happen,
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// e.g. if the application shuts down before the search service initializes.
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ChromeUtils.defineLazyGetter(global, "searchInitialized", () => {
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  if (Services.search.isInitialized) {
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    return Promise.resolve();
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  }
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  return ExtensionUtils.promiseObserved(
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    "browser-search-service",
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    (_, data) => data == "init-complete"
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  );
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});
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class WindowTracker extends WindowTrackerBase {
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  addProgressListener(window, listener) {
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    window.gBrowser.addTabsProgressListener(listener);
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  }
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  removeProgressListener(window, listener) {
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    window.gBrowser.removeTabsProgressListener(listener);
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  }
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  /**
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   * @param {BaseContext} context
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   *        The extension context
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   * @returns {DOMWindow|null} topNormalWindow
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   *        The currently active, or topmost, browser window, or null if no
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   *        browser window is currently open.
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   *        Will return the topmost "normal" (i.e., not popup) window.
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   */
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  getTopNormalWindow(context) {
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    let options = { allowPopups: false };
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    if (!context.privateBrowsingAllowed) {
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      options.private = false;
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    }
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    return BrowserWindowTracker.getTopWindow(options);
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  }
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}
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class TabTracker extends TabTrackerBase {
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  constructor() {
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    super();
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    this._tabs = new WeakMap();
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    this._browsers = new WeakMap();
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    this._tabIds = new Map();
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    this._nextId = 1;
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    this._deferredTabOpenEvents = new WeakMap();
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    this._handleTabDestroyed = this._handleTabDestroyed.bind(this);
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  }
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  init() {
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    if (this.initialized) {
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      return;
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    }
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    this.initialized = true;
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    this.adoptedTabs = new WeakSet();
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    this._handleWindowOpen = this._handleWindowOpen.bind(this);
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    this._handleWindowClose = this._handleWindowClose.bind(this);
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    windowTracker.addListener("TabClose", this);
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    windowTracker.addListener("TabOpen", this);
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    windowTracker.addListener("TabSelect", this);
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    windowTracker.addListener("TabMultiSelect", this);
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    windowTracker.addOpenListener(this._handleWindowOpen);
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    windowTracker.addCloseListener(this._handleWindowClose);
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    AboutReaderParent.addMessageListener("Reader:UpdateReaderButton", this);
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    /* eslint-disable mozilla/balanced-listeners */
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    this.on("tab-detached", this._handleTabDestroyed);
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    this.on("tab-removed", this._handleTabDestroyed);
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    /* eslint-enable mozilla/balanced-listeners */
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  }
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  getId(nativeTab) {
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    let id = this._tabs.get(nativeTab);
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    if (id) {
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      return id;
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    }
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    this.init();
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    id = this._nextId++;
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    this.setId(nativeTab, id);
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    return id;
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  }
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  getBrowserTabId(browser) {
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    let id = this._browsers.get(browser);
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    if (id) {
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      return id;
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    }
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    let tab = browser.ownerGlobal.gBrowser.getTabForBrowser(browser);
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    if (tab) {
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      id = this.getId(tab);
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      this._browsers.set(browser, id);
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      return id;
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    }
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    return -1;
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  }
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  setId(nativeTab, id) {
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    if (!nativeTab.parentNode) {
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      throw new Error("Cannot attach ID to a destroyed tab.");
 | 
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    }
 | 
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    if (nativeTab.ownerGlobal.closed) {
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      throw new Error("Cannot attach ID to a tab in a closed window.");
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    }
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    this._tabs.set(nativeTab, id);
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    if (nativeTab.linkedBrowser) {
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      this._browsers.set(nativeTab.linkedBrowser, id);
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    }
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    this._tabIds.set(id, nativeTab);
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  }
 | 
						|
 | 
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  /**
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   * Handles tab adoption when a tab is moved between windows.
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   * Ensures the new tab will have the same ID as the old one, and
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   * emits "tab-adopted", "tab-detached" and "tab-attached" events.
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   *
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   * @param {NativeTab} adoptingTab
 | 
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   *        The tab which is being opened and adopting `adoptedTab`.
 | 
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   * @param {NativeTab} adoptedTab
 | 
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   *        The tab which is being closed and adopted by `adoptingTab`.
 | 
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   */
 | 
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  adopt(adoptingTab, adoptedTab) {
 | 
						|
    if (this.adoptedTabs.has(adoptedTab)) {
 | 
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      // The adoption has already been handled.
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      return;
 | 
						|
    }
 | 
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    this.adoptedTabs.add(adoptedTab);
 | 
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    let tabId = this.getId(adoptedTab);
 | 
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    this.setId(adoptingTab, tabId);
 | 
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    this.emit("tab-adopted", adoptingTab, adoptedTab);
 | 
						|
    if (this.has("tab-detached")) {
 | 
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      let nativeTab = adoptedTab;
 | 
						|
      let adoptedBy = adoptingTab;
 | 
						|
      let oldWindowId = windowTracker.getId(nativeTab.ownerGlobal);
 | 
						|
      let oldPosition = nativeTab._tPos;
 | 
						|
      this.emit("tab-detached", {
 | 
						|
        nativeTab,
 | 
						|
        adoptedBy,
 | 
						|
        tabId,
 | 
						|
        oldWindowId,
 | 
						|
        oldPosition,
 | 
						|
      });
 | 
						|
    }
 | 
						|
    if (this.has("tab-attached")) {
 | 
						|
      let nativeTab = adoptingTab;
 | 
						|
      let newWindowId = windowTracker.getId(nativeTab.ownerGlobal);
 | 
						|
      let newPosition = nativeTab._tPos;
 | 
						|
      this.emit("tab-attached", {
 | 
						|
        nativeTab,
 | 
						|
        tabId,
 | 
						|
        newWindowId,
 | 
						|
        newPosition,
 | 
						|
      });
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  _handleTabDestroyed(event, { nativeTab }) {
 | 
						|
    let id = this._tabs.get(nativeTab);
 | 
						|
    if (id) {
 | 
						|
      this._tabs.delete(nativeTab);
 | 
						|
      if (this._tabIds.get(id) === nativeTab) {
 | 
						|
        this._tabIds.delete(id);
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Returns the XUL <tab> element associated with the given tab ID. If no tab
 | 
						|
   * with the given ID exists, and no default value is provided, an error is
 | 
						|
   * raised, belonging to the scope of the given context.
 | 
						|
   *
 | 
						|
   * @param {integer} tabId
 | 
						|
   *        The ID of the tab to retrieve.
 | 
						|
   * @param {*} default_
 | 
						|
   *        The value to return if no tab exists with the given ID.
 | 
						|
   * @returns {Element<tab>}
 | 
						|
   *        A XUL <tab> element.
 | 
						|
   */
 | 
						|
  getTab(tabId, default_ = undefined) {
 | 
						|
    let nativeTab = this._tabIds.get(tabId);
 | 
						|
    if (nativeTab) {
 | 
						|
      return nativeTab;
 | 
						|
    }
 | 
						|
    if (default_ !== undefined) {
 | 
						|
      return default_;
 | 
						|
    }
 | 
						|
    throw new ExtensionError(`Invalid tab ID: ${tabId}`);
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Sets the opener of `tab` to the ID `openerTab`. Both tabs must be in the
 | 
						|
   * same window, or this function will throw a type error.
 | 
						|
   *
 | 
						|
   * @param {Element} tab The tab for which to set the owner.
 | 
						|
   * @param {Element} openerTab The opener of <tab>.
 | 
						|
   */
 | 
						|
  setOpener(tab, openerTab) {
 | 
						|
    if (tab.ownerDocument !== openerTab.ownerDocument) {
 | 
						|
      throw new Error("Tab must be in the same window as its opener");
 | 
						|
    }
 | 
						|
    tab.openerTab = openerTab;
 | 
						|
  }
 | 
						|
 | 
						|
  deferredForTabOpen(nativeTab) {
 | 
						|
    let deferred = this._deferredTabOpenEvents.get(nativeTab);
 | 
						|
    if (!deferred) {
 | 
						|
      deferred = PromiseUtils.defer();
 | 
						|
      this._deferredTabOpenEvents.set(nativeTab, deferred);
 | 
						|
      deferred.promise.then(() => {
 | 
						|
        this._deferredTabOpenEvents.delete(nativeTab);
 | 
						|
      });
 | 
						|
    }
 | 
						|
    return deferred;
 | 
						|
  }
 | 
						|
 | 
						|
  async maybeWaitForTabOpen(nativeTab) {
 | 
						|
    let deferred = this._deferredTabOpenEvents.get(nativeTab);
 | 
						|
    return deferred && deferred.promise;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * @param {Event} event
 | 
						|
   *        The DOM Event to handle.
 | 
						|
   * @private
 | 
						|
   */
 | 
						|
  handleEvent(event) {
 | 
						|
    let nativeTab = event.target;
 | 
						|
 | 
						|
    switch (event.type) {
 | 
						|
      case "TabOpen":
 | 
						|
        let { adoptedTab } = event.detail;
 | 
						|
        if (adoptedTab) {
 | 
						|
          // This tab is being created to adopt a tab from a different window.
 | 
						|
          // Handle the adoption.
 | 
						|
          this.adopt(nativeTab, adoptedTab);
 | 
						|
        } else {
 | 
						|
          // Save the size of the current tab, since the newly-created tab will
 | 
						|
          // likely be active by the time the promise below resolves and the
 | 
						|
          // event is dispatched.
 | 
						|
          const currentTab = nativeTab.ownerGlobal.gBrowser.selectedTab;
 | 
						|
          const { frameLoader } = currentTab.linkedBrowser;
 | 
						|
          const currentTabSize = {
 | 
						|
            width: frameLoader.lazyWidth,
 | 
						|
            height: frameLoader.lazyHeight,
 | 
						|
          };
 | 
						|
 | 
						|
          // We need to delay sending this event until the next tick, since the
 | 
						|
          // tab can become selected immediately after "TabOpen", then onCreated
 | 
						|
          // should be fired with `active: true`.
 | 
						|
          let deferred = this.deferredForTabOpen(event.originalTarget);
 | 
						|
          Promise.resolve().then(() => {
 | 
						|
            deferred.resolve();
 | 
						|
            if (!event.originalTarget.parentNode) {
 | 
						|
              // If the tab is already be destroyed, do nothing.
 | 
						|
              return;
 | 
						|
            }
 | 
						|
            this.emitCreated(event.originalTarget, currentTabSize);
 | 
						|
          });
 | 
						|
        }
 | 
						|
        break;
 | 
						|
 | 
						|
      case "TabClose":
 | 
						|
        let { adoptedBy } = event.detail;
 | 
						|
        if (adoptedBy) {
 | 
						|
          // This tab is being closed because it was adopted by a new window.
 | 
						|
          // Handle the adoption in case it was created as the first tab of a
 | 
						|
          // new window, and did not have an `adoptedTab` detail when it was
 | 
						|
          // opened.
 | 
						|
          this.adopt(adoptedBy, nativeTab);
 | 
						|
        } else {
 | 
						|
          this.emitRemoved(nativeTab, false);
 | 
						|
        }
 | 
						|
        break;
 | 
						|
 | 
						|
      case "TabSelect":
 | 
						|
        // Because we are delaying calling emitCreated above, we also need to
 | 
						|
        // delay sending this event because it shouldn't fire before onCreated.
 | 
						|
        this.maybeWaitForTabOpen(nativeTab).then(() => {
 | 
						|
          if (!nativeTab.parentNode) {
 | 
						|
            // If the tab is already be destroyed, do nothing.
 | 
						|
            return;
 | 
						|
          }
 | 
						|
          this.emitActivated(nativeTab, event.detail.previousTab);
 | 
						|
        });
 | 
						|
        break;
 | 
						|
 | 
						|
      case "TabMultiSelect":
 | 
						|
        if (this.has("tabs-highlighted")) {
 | 
						|
          // Because we are delaying calling emitCreated above, we also need to
 | 
						|
          // delay sending this event because it shouldn't fire before onCreated.
 | 
						|
          // event.target is gBrowser, so we don't use maybeWaitForTabOpen.
 | 
						|
          Promise.resolve().then(() => {
 | 
						|
            this.emitHighlighted(event.target.ownerGlobal);
 | 
						|
          });
 | 
						|
        }
 | 
						|
        break;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * @param {object} message
 | 
						|
   *        The message to handle.
 | 
						|
   * @private
 | 
						|
   */
 | 
						|
  receiveMessage(message) {
 | 
						|
    switch (message.name) {
 | 
						|
      case "Reader:UpdateReaderButton":
 | 
						|
        if (message.data && message.data.isArticle !== undefined) {
 | 
						|
          this.emit("tab-isarticle", message);
 | 
						|
        }
 | 
						|
        break;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * A private method which is called whenever a new browser window is opened,
 | 
						|
   * and dispatches the necessary events for it.
 | 
						|
   *
 | 
						|
   * @param {DOMWindow} window
 | 
						|
   *        The window being opened.
 | 
						|
   * @private
 | 
						|
   */
 | 
						|
  _handleWindowOpen(window) {
 | 
						|
    const tabToAdopt = window.gBrowserInit.getTabToAdopt();
 | 
						|
    if (tabToAdopt) {
 | 
						|
      // Note that this event handler depends on running before the
 | 
						|
      // delayed startup code in browser.js, which is currently triggered
 | 
						|
      // by the first MozAfterPaint event. That code handles finally
 | 
						|
      // adopting the tab, and clears it from the arguments list in the
 | 
						|
      // process, so if we run later than it, we're too late.
 | 
						|
      let adoptedBy = window.gBrowser.tabs[0];
 | 
						|
      this.adopt(adoptedBy, tabToAdopt);
 | 
						|
    } else {
 | 
						|
      for (let nativeTab of window.gBrowser.tabs) {
 | 
						|
        this.emitCreated(nativeTab);
 | 
						|
      }
 | 
						|
 | 
						|
      // emitActivated to trigger tab.onActivated/tab.onHighlighted for a newly opened window.
 | 
						|
      this.emitActivated(window.gBrowser.tabs[0]);
 | 
						|
      if (this.has("tabs-highlighted")) {
 | 
						|
        this.emitHighlighted(window);
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * A private method which is called whenever a browser window is closed,
 | 
						|
   * and dispatches the necessary events for it.
 | 
						|
   *
 | 
						|
   * @param {DOMWindow} window
 | 
						|
   *        The window being closed.
 | 
						|
   * @private
 | 
						|
   */
 | 
						|
  _handleWindowClose(window) {
 | 
						|
    for (let nativeTab of window.gBrowser.tabs) {
 | 
						|
      if (!this.adoptedTabs.has(nativeTab)) {
 | 
						|
        this.emitRemoved(nativeTab, true);
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Emits a "tab-activated" event for the given tab element.
 | 
						|
   *
 | 
						|
   * @param {NativeTab} nativeTab
 | 
						|
   *        The tab element which has been activated.
 | 
						|
   * @param {NativeTab} previousTab
 | 
						|
   *        The tab element which was previously activated.
 | 
						|
   * @private
 | 
						|
   */
 | 
						|
  emitActivated(nativeTab, previousTab = undefined) {
 | 
						|
    let previousTabIsPrivate, previousTabId;
 | 
						|
    if (previousTab && !previousTab.closing) {
 | 
						|
      previousTabId = this.getId(previousTab);
 | 
						|
      previousTabIsPrivate = isPrivateTab(previousTab);
 | 
						|
    }
 | 
						|
    this.emit("tab-activated", {
 | 
						|
      tabId: this.getId(nativeTab),
 | 
						|
      previousTabId,
 | 
						|
      previousTabIsPrivate,
 | 
						|
      windowId: windowTracker.getId(nativeTab.ownerGlobal),
 | 
						|
      nativeTab,
 | 
						|
    });
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Emits a "tabs-highlighted" event for the given tab element.
 | 
						|
   *
 | 
						|
   * @param {ChromeWindow} window
 | 
						|
   *        The window in which the active tab or the set of multiselected tabs changed.
 | 
						|
   * @private
 | 
						|
   */
 | 
						|
  emitHighlighted(window) {
 | 
						|
    let tabIds = window.gBrowser.selectedTabs.map(tab => this.getId(tab));
 | 
						|
    let windowId = windowTracker.getId(window);
 | 
						|
    this.emit("tabs-highlighted", {
 | 
						|
      tabIds,
 | 
						|
      windowId,
 | 
						|
    });
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Emits a "tab-created" event for the given tab element.
 | 
						|
   *
 | 
						|
   * @param {NativeTab} nativeTab
 | 
						|
   *        The tab element which is being created.
 | 
						|
   * @param {object} [currentTabSize]
 | 
						|
   *        The size of the tab element for the currently active tab.
 | 
						|
   * @private
 | 
						|
   */
 | 
						|
  emitCreated(nativeTab, currentTabSize) {
 | 
						|
    this.emit("tab-created", {
 | 
						|
      nativeTab,
 | 
						|
      currentTabSize,
 | 
						|
    });
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Emits a "tab-removed" event for the given tab element.
 | 
						|
   *
 | 
						|
   * @param {NativeTab} nativeTab
 | 
						|
   *        The tab element which is being removed.
 | 
						|
   * @param {boolean} isWindowClosing
 | 
						|
   *        True if the tab is being removed because the browser window is
 | 
						|
   *        closing.
 | 
						|
   * @private
 | 
						|
   */
 | 
						|
  emitRemoved(nativeTab, isWindowClosing) {
 | 
						|
    let windowId = windowTracker.getId(nativeTab.ownerGlobal);
 | 
						|
    let tabId = this.getId(nativeTab);
 | 
						|
 | 
						|
    this.emit("tab-removed", {
 | 
						|
      nativeTab,
 | 
						|
      tabId,
 | 
						|
      windowId,
 | 
						|
      isWindowClosing,
 | 
						|
    });
 | 
						|
  }
 | 
						|
 | 
						|
  getBrowserData(browser) {
 | 
						|
    let window = browser.ownerGlobal;
 | 
						|
    if (!window) {
 | 
						|
      return {
 | 
						|
        tabId: -1,
 | 
						|
        windowId: -1,
 | 
						|
      };
 | 
						|
    }
 | 
						|
    let { gBrowser } = window;
 | 
						|
    // Some non-browser windows have gBrowser but not getTabForBrowser!
 | 
						|
    if (!gBrowser || !gBrowser.getTabForBrowser) {
 | 
						|
      if (window.top.document.documentURI === "about:addons") {
 | 
						|
        // When we're loaded into a <browser> inside about:addons, we need to go up
 | 
						|
        // one more level.
 | 
						|
        browser = window.docShell.chromeEventHandler;
 | 
						|
 | 
						|
        ({ gBrowser } = browser.ownerGlobal);
 | 
						|
      } else {
 | 
						|
        return {
 | 
						|
          tabId: -1,
 | 
						|
          windowId: -1,
 | 
						|
        };
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    return {
 | 
						|
      tabId: this.getBrowserTabId(browser),
 | 
						|
      windowId: windowTracker.getId(browser.ownerGlobal),
 | 
						|
    };
 | 
						|
  }
 | 
						|
 | 
						|
  get activeTab() {
 | 
						|
    let window = windowTracker.topWindow;
 | 
						|
    if (window && window.gBrowser) {
 | 
						|
      return window.gBrowser.selectedTab;
 | 
						|
    }
 | 
						|
    return null;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
windowTracker = new WindowTracker();
 | 
						|
tabTracker = new TabTracker();
 | 
						|
 | 
						|
Object.assign(global, { tabTracker, windowTracker });
 | 
						|
 | 
						|
class Tab extends TabBase {
 | 
						|
  get _favIconUrl() {
 | 
						|
    return this.window.gBrowser.getIcon(this.nativeTab);
 | 
						|
  }
 | 
						|
 | 
						|
  get attention() {
 | 
						|
    return this.nativeTab.hasAttribute("attention");
 | 
						|
  }
 | 
						|
 | 
						|
  get audible() {
 | 
						|
    return this.nativeTab.soundPlaying;
 | 
						|
  }
 | 
						|
 | 
						|
  get autoDiscardable() {
 | 
						|
    return !this.nativeTab.undiscardable;
 | 
						|
  }
 | 
						|
 | 
						|
  get browser() {
 | 
						|
    return this.nativeTab.linkedBrowser;
 | 
						|
  }
 | 
						|
 | 
						|
  get discarded() {
 | 
						|
    return !this.nativeTab.linkedPanel;
 | 
						|
  }
 | 
						|
 | 
						|
  get frameLoader() {
 | 
						|
    // If we don't have a frameLoader yet, just return a dummy with no width and
 | 
						|
    // height.
 | 
						|
    return super.frameLoader || { lazyWidth: 0, lazyHeight: 0 };
 | 
						|
  }
 | 
						|
 | 
						|
  get hidden() {
 | 
						|
    return this.nativeTab.hidden;
 | 
						|
  }
 | 
						|
 | 
						|
  get sharingState() {
 | 
						|
    return this.window.gBrowser.getTabSharingState(this.nativeTab);
 | 
						|
  }
 | 
						|
 | 
						|
  get cookieStoreId() {
 | 
						|
    return getCookieStoreIdForTab(this, this.nativeTab);
 | 
						|
  }
 | 
						|
 | 
						|
  get openerTabId() {
 | 
						|
    let opener = this.nativeTab.openerTab;
 | 
						|
    if (
 | 
						|
      opener &&
 | 
						|
      opener.parentNode &&
 | 
						|
      opener.ownerDocument == this.nativeTab.ownerDocument
 | 
						|
    ) {
 | 
						|
      return tabTracker.getId(opener);
 | 
						|
    }
 | 
						|
    return null;
 | 
						|
  }
 | 
						|
 | 
						|
  get height() {
 | 
						|
    return this.frameLoader.lazyHeight;
 | 
						|
  }
 | 
						|
 | 
						|
  get index() {
 | 
						|
    return this.nativeTab._tPos;
 | 
						|
  }
 | 
						|
 | 
						|
  get mutedInfo() {
 | 
						|
    let { nativeTab } = this;
 | 
						|
 | 
						|
    let mutedInfo = { muted: nativeTab.muted };
 | 
						|
    if (nativeTab.muteReason === null) {
 | 
						|
      mutedInfo.reason = "user";
 | 
						|
    } else if (nativeTab.muteReason) {
 | 
						|
      mutedInfo.reason = "extension";
 | 
						|
      mutedInfo.extensionId = nativeTab.muteReason;
 | 
						|
    }
 | 
						|
 | 
						|
    return mutedInfo;
 | 
						|
  }
 | 
						|
 | 
						|
  get lastAccessed() {
 | 
						|
    return this.nativeTab.lastAccessed;
 | 
						|
  }
 | 
						|
 | 
						|
  get pinned() {
 | 
						|
    return this.nativeTab.pinned;
 | 
						|
  }
 | 
						|
 | 
						|
  get active() {
 | 
						|
    return this.nativeTab.selected;
 | 
						|
  }
 | 
						|
 | 
						|
  get highlighted() {
 | 
						|
    let { selected, multiselected } = this.nativeTab;
 | 
						|
    return selected || multiselected;
 | 
						|
  }
 | 
						|
 | 
						|
  get status() {
 | 
						|
    if (this.nativeTab.getAttribute("busy") === "true") {
 | 
						|
      return "loading";
 | 
						|
    }
 | 
						|
    return "complete";
 | 
						|
  }
 | 
						|
 | 
						|
  get width() {
 | 
						|
    return this.frameLoader.lazyWidth;
 | 
						|
  }
 | 
						|
 | 
						|
  get window() {
 | 
						|
    return this.nativeTab.ownerGlobal;
 | 
						|
  }
 | 
						|
 | 
						|
  get windowId() {
 | 
						|
    return windowTracker.getId(this.window);
 | 
						|
  }
 | 
						|
 | 
						|
  get isArticle() {
 | 
						|
    return this.nativeTab.linkedBrowser.isArticle;
 | 
						|
  }
 | 
						|
 | 
						|
  get isInReaderMode() {
 | 
						|
    return this.url && this.url.startsWith(READER_MODE_PREFIX);
 | 
						|
  }
 | 
						|
 | 
						|
  get successorTabId() {
 | 
						|
    const { successor } = this.nativeTab;
 | 
						|
    return successor ? tabTracker.getId(successor) : -1;
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Converts session store data to an object compatible with the return value
 | 
						|
   * of the convert() method, representing that data.
 | 
						|
   *
 | 
						|
   * @param {Extension} extension
 | 
						|
   *        The extension for which to convert the data.
 | 
						|
   * @param {object} tabData
 | 
						|
   *        Session store data for a closed tab, as returned by
 | 
						|
   *        `SessionStore.getClosedTabData()`.
 | 
						|
   * @param {DOMWindow} [window = null]
 | 
						|
   *        The browser window which the tab belonged to before it was closed.
 | 
						|
   *        May be null if the window the tab belonged to no longer exists.
 | 
						|
   *
 | 
						|
   * @returns {object}
 | 
						|
   * @static
 | 
						|
   */
 | 
						|
  static convertFromSessionStoreClosedData(extension, tabData, window = null) {
 | 
						|
    let result = {
 | 
						|
      sessionId: String(tabData.closedId),
 | 
						|
      index: tabData.pos ? tabData.pos : 0,
 | 
						|
      windowId: window && windowTracker.getId(window),
 | 
						|
      highlighted: false,
 | 
						|
      active: false,
 | 
						|
      pinned: false,
 | 
						|
      hidden: tabData.state ? tabData.state.hidden : tabData.hidden,
 | 
						|
      incognito: Boolean(tabData.state && tabData.state.isPrivate),
 | 
						|
      lastAccessed: tabData.state
 | 
						|
        ? tabData.state.lastAccessed
 | 
						|
        : tabData.lastAccessed,
 | 
						|
    };
 | 
						|
 | 
						|
    let entries = tabData.state ? tabData.state.entries : tabData.entries;
 | 
						|
    let lastTabIndex = tabData.state ? tabData.state.index : tabData.index;
 | 
						|
 | 
						|
    // Tab may have empty history.
 | 
						|
    if (entries.length) {
 | 
						|
      // We need to take lastTabIndex - 1 because the index in the tab data is
 | 
						|
      // 1-based rather than 0-based.
 | 
						|
      let entry = entries[lastTabIndex - 1];
 | 
						|
 | 
						|
      // tabData is a representation of a tab, as stored in the session data,
 | 
						|
      // and given that is not a real nativeTab, we only need to check if the extension
 | 
						|
      // has the "tabs" or host permission (because tabData represents a closed tab,
 | 
						|
      // and so we already know that it can't be the activeTab).
 | 
						|
      if (
 | 
						|
        extension.hasPermission("tabs") ||
 | 
						|
        extension.allowedOrigins.matches(entry.url)
 | 
						|
      ) {
 | 
						|
        result.url = entry.url;
 | 
						|
        result.title = entry.title;
 | 
						|
        if (tabData.image) {
 | 
						|
          result.favIconUrl = tabData.image;
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    return result;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
class Window extends WindowBase {
 | 
						|
  /**
 | 
						|
   * Update the geometry of the browser window.
 | 
						|
   *
 | 
						|
   * @param {object} options
 | 
						|
   *        An object containing new values for the window's geometry.
 | 
						|
   * @param {integer} [options.left]
 | 
						|
   *        The new pixel distance of the left side of the browser window from
 | 
						|
   *        the left of the screen.
 | 
						|
   * @param {integer} [options.top]
 | 
						|
   *        The new pixel distance of the top side of the browser window from
 | 
						|
   *        the top of the screen.
 | 
						|
   * @param {integer} [options.width]
 | 
						|
   *        The new pixel width of the window.
 | 
						|
   * @param {integer} [options.height]
 | 
						|
   *        The new pixel height of the window.
 | 
						|
   */
 | 
						|
  updateGeometry(options) {
 | 
						|
    let { window } = this;
 | 
						|
 | 
						|
    if (options.left !== null || options.top !== null) {
 | 
						|
      let left = options.left !== null ? options.left : window.screenX;
 | 
						|
      let top = options.top !== null ? options.top : window.screenY;
 | 
						|
      window.moveTo(left, top);
 | 
						|
    }
 | 
						|
 | 
						|
    if (options.width !== null || options.height !== null) {
 | 
						|
      let width = options.width !== null ? options.width : window.outerWidth;
 | 
						|
      let height =
 | 
						|
        options.height !== null ? options.height : window.outerHeight;
 | 
						|
      window.resizeTo(width, height);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  get _title() {
 | 
						|
    return this.window.document.title;
 | 
						|
  }
 | 
						|
 | 
						|
  setTitlePreface(titlePreface) {
 | 
						|
    this.window.document.documentElement.setAttribute(
 | 
						|
      "titlepreface",
 | 
						|
      titlePreface
 | 
						|
    );
 | 
						|
  }
 | 
						|
 | 
						|
  get focused() {
 | 
						|
    return this.window.document.hasFocus();
 | 
						|
  }
 | 
						|
 | 
						|
  get top() {
 | 
						|
    return this.window.screenY;
 | 
						|
  }
 | 
						|
 | 
						|
  get left() {
 | 
						|
    return this.window.screenX;
 | 
						|
  }
 | 
						|
 | 
						|
  get width() {
 | 
						|
    return this.window.outerWidth;
 | 
						|
  }
 | 
						|
 | 
						|
  get height() {
 | 
						|
    return this.window.outerHeight;
 | 
						|
  }
 | 
						|
 | 
						|
  get incognito() {
 | 
						|
    return PrivateBrowsingUtils.isWindowPrivate(this.window);
 | 
						|
  }
 | 
						|
 | 
						|
  get alwaysOnTop() {
 | 
						|
    return this.appWindow.zLevel >= Ci.nsIAppWindow.raisedZ;
 | 
						|
  }
 | 
						|
 | 
						|
  get isLastFocused() {
 | 
						|
    return this.window === windowTracker.topWindow;
 | 
						|
  }
 | 
						|
 | 
						|
  static getState(window) {
 | 
						|
    const STATES = {
 | 
						|
      [window.STATE_MAXIMIZED]: "maximized",
 | 
						|
      [window.STATE_MINIMIZED]: "minimized",
 | 
						|
      [window.STATE_FULLSCREEN]: "fullscreen",
 | 
						|
      [window.STATE_NORMAL]: "normal",
 | 
						|
    };
 | 
						|
    return STATES[window.windowState];
 | 
						|
  }
 | 
						|
 | 
						|
  get state() {
 | 
						|
    return Window.getState(this.window);
 | 
						|
  }
 | 
						|
 | 
						|
  async setState(state) {
 | 
						|
    let { window } = this;
 | 
						|
 | 
						|
    const expectedState = (function () {
 | 
						|
      switch (state) {
 | 
						|
        case "maximized":
 | 
						|
          return window.STATE_MAXIMIZED;
 | 
						|
        case "minimized":
 | 
						|
        case "docked":
 | 
						|
          return window.STATE_MINIMIZED;
 | 
						|
        case "normal":
 | 
						|
          return window.STATE_NORMAL;
 | 
						|
        case "fullscreen":
 | 
						|
          return window.STATE_FULLSCREEN;
 | 
						|
      }
 | 
						|
      throw new Error(`Unexpected window state: ${state}`);
 | 
						|
    })();
 | 
						|
 | 
						|
    const initialState = window.windowState;
 | 
						|
    if (expectedState == initialState) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    // We check for window.fullScreen here to make sure to exit fullscreen even
 | 
						|
    // if DOM and widget disagree on what the state is. This is a speculative
 | 
						|
    // fix for bug 1780876, ideally it should not be needed.
 | 
						|
    if (initialState == window.STATE_FULLSCREEN || window.fullScreen) {
 | 
						|
      window.fullScreen = false;
 | 
						|
    }
 | 
						|
 | 
						|
    switch (expectedState) {
 | 
						|
      case window.STATE_MAXIMIZED:
 | 
						|
        window.maximize();
 | 
						|
        break;
 | 
						|
      case window.STATE_MINIMIZED:
 | 
						|
        window.minimize();
 | 
						|
        break;
 | 
						|
 | 
						|
      case window.STATE_NORMAL:
 | 
						|
        // Restore sometimes returns the window to its previous state, rather
 | 
						|
        // than to the "normal" state, so it may need to be called anywhere from
 | 
						|
        // zero to two times.
 | 
						|
        window.restore();
 | 
						|
        if (window.windowState !== window.STATE_NORMAL) {
 | 
						|
          window.restore();
 | 
						|
        }
 | 
						|
        if (window.windowState !== window.STATE_NORMAL) {
 | 
						|
          // And on OS-X, where normal vs. maximized is basically a heuristic,
 | 
						|
          // we need to cheat.
 | 
						|
          window.sizeToContent();
 | 
						|
        }
 | 
						|
        break;
 | 
						|
 | 
						|
      case window.STATE_FULLSCREEN:
 | 
						|
        window.fullScreen = true;
 | 
						|
        break;
 | 
						|
 | 
						|
      default:
 | 
						|
        throw new Error(`Unexpected window state: ${state}`);
 | 
						|
    }
 | 
						|
 | 
						|
    if (window.windowState != expectedState) {
 | 
						|
      // On Linux, sizemode changes are asynchronous. Some of them might not
 | 
						|
      // even happen if the window manager doesn't want to, so wait for a bit
 | 
						|
      // instead of forever for a sizemode change that might not ever happen.
 | 
						|
      const noWindowManagerTimeout = 2000;
 | 
						|
 | 
						|
      let onSizeModeChange;
 | 
						|
      const promiseExpectedSizeMode = new Promise(resolve => {
 | 
						|
        onSizeModeChange = function () {
 | 
						|
          if (window.windowState == expectedState) {
 | 
						|
            resolve();
 | 
						|
          }
 | 
						|
        };
 | 
						|
        window.addEventListener("sizemodechange", onSizeModeChange);
 | 
						|
      });
 | 
						|
 | 
						|
      await Promise.any([
 | 
						|
        promiseExpectedSizeMode,
 | 
						|
        new Promise(resolve => setTimeout(resolve, noWindowManagerTimeout)),
 | 
						|
      ]);
 | 
						|
 | 
						|
      window.removeEventListener("sizemodechange", onSizeModeChange);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  *getTabs() {
 | 
						|
    // A new window is being opened and it is adopting an existing tab, we return
 | 
						|
    // an empty iterator here because there should be no other tabs to return during
 | 
						|
    // that duration (See Bug 1458918 for a rationale).
 | 
						|
    if (this.window.gBrowserInit.isAdoptingTab()) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    let { tabManager } = this.extension;
 | 
						|
 | 
						|
    for (let nativeTab of this.window.gBrowser.tabs) {
 | 
						|
      let tab = tabManager.getWrapper(nativeTab);
 | 
						|
      if (tab) {
 | 
						|
        yield tab;
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  *getHighlightedTabs() {
 | 
						|
    let { tabManager } = this.extension;
 | 
						|
    for (let nativeTab of this.window.gBrowser.selectedTabs) {
 | 
						|
      let tab = tabManager.getWrapper(nativeTab);
 | 
						|
      if (tab) {
 | 
						|
        yield tab;
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  get activeTab() {
 | 
						|
    let { tabManager } = this.extension;
 | 
						|
 | 
						|
    // A new window is being opened and it is adopting a tab, and we do not create
 | 
						|
    // a TabWrapper for the tab being adopted because it will go away once the tab
 | 
						|
    // adoption has been completed (See Bug 1458918 for rationale).
 | 
						|
    if (this.window.gBrowserInit.isAdoptingTab()) {
 | 
						|
      return null;
 | 
						|
    }
 | 
						|
 | 
						|
    return tabManager.getWrapper(this.window.gBrowser.selectedTab);
 | 
						|
  }
 | 
						|
 | 
						|
  getTabAtIndex(index) {
 | 
						|
    let nativeTab = this.window.gBrowser.tabs[index];
 | 
						|
    if (nativeTab) {
 | 
						|
      return this.extension.tabManager.getWrapper(nativeTab);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /**
 | 
						|
   * Converts session store data to an object compatible with the return value
 | 
						|
   * of the convert() method, representing that data.
 | 
						|
   *
 | 
						|
   * @param {Extension} extension
 | 
						|
   *        The extension for which to convert the data.
 | 
						|
   * @param {object} windowData
 | 
						|
   *        Session store data for a closed window, as returned by
 | 
						|
   *        `SessionStore.getClosedWindowData()`.
 | 
						|
   *
 | 
						|
   * @returns {object}
 | 
						|
   * @static
 | 
						|
   */
 | 
						|
  static convertFromSessionStoreClosedData(extension, windowData) {
 | 
						|
    let result = {
 | 
						|
      sessionId: String(windowData.closedId),
 | 
						|
      focused: false,
 | 
						|
      incognito: false,
 | 
						|
      type: "normal", // this is always "normal" for a closed window
 | 
						|
      // Bug 1781226: we assert "state" is "normal" in tests, but we could use
 | 
						|
      // the "sizemode" property if we wanted.
 | 
						|
      state: "normal",
 | 
						|
      alwaysOnTop: false,
 | 
						|
    };
 | 
						|
 | 
						|
    if (windowData.tabs.length) {
 | 
						|
      result.tabs = windowData.tabs.map(tabData => {
 | 
						|
        return Tab.convertFromSessionStoreClosedData(extension, tabData);
 | 
						|
      });
 | 
						|
    }
 | 
						|
 | 
						|
    return result;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
Object.assign(global, { Tab, Window });
 | 
						|
 | 
						|
class TabManager extends TabManagerBase {
 | 
						|
  get(tabId, default_ = undefined) {
 | 
						|
    let nativeTab = tabTracker.getTab(tabId, default_);
 | 
						|
 | 
						|
    if (nativeTab) {
 | 
						|
      if (!this.canAccessTab(nativeTab)) {
 | 
						|
        throw new ExtensionError(`Invalid tab ID: ${tabId}`);
 | 
						|
      }
 | 
						|
      return this.getWrapper(nativeTab);
 | 
						|
    }
 | 
						|
    return default_;
 | 
						|
  }
 | 
						|
 | 
						|
  addActiveTabPermission(nativeTab = tabTracker.activeTab) {
 | 
						|
    return super.addActiveTabPermission(nativeTab);
 | 
						|
  }
 | 
						|
 | 
						|
  revokeActiveTabPermission(nativeTab = tabTracker.activeTab) {
 | 
						|
    return super.revokeActiveTabPermission(nativeTab);
 | 
						|
  }
 | 
						|
 | 
						|
  canAccessTab(nativeTab) {
 | 
						|
    // Check private browsing access at browser window level.
 | 
						|
    if (!this.extension.canAccessWindow(nativeTab.ownerGlobal)) {
 | 
						|
      return false;
 | 
						|
    }
 | 
						|
    if (
 | 
						|
      this.extension.userContextIsolation &&
 | 
						|
      !this.extension.canAccessContainer(nativeTab.userContextId)
 | 
						|
    ) {
 | 
						|
      return false;
 | 
						|
    }
 | 
						|
    return true;
 | 
						|
  }
 | 
						|
 | 
						|
  wrapTab(nativeTab) {
 | 
						|
    return new Tab(this.extension, nativeTab, tabTracker.getId(nativeTab));
 | 
						|
  }
 | 
						|
 | 
						|
  getWrapper(nativeTab) {
 | 
						|
    if (!nativeTab.ownerGlobal.gBrowserInit.isAdoptingTab()) {
 | 
						|
      return super.getWrapper(nativeTab);
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
class WindowManager extends WindowManagerBase {
 | 
						|
  get(windowId, context) {
 | 
						|
    let window = windowTracker.getWindow(windowId, context);
 | 
						|
 | 
						|
    return this.getWrapper(window);
 | 
						|
  }
 | 
						|
 | 
						|
  *getAll(context) {
 | 
						|
    for (let window of windowTracker.browserWindows()) {
 | 
						|
      if (!this.canAccessWindow(window, context)) {
 | 
						|
        continue;
 | 
						|
      }
 | 
						|
      let wrapped = this.getWrapper(window);
 | 
						|
      if (wrapped) {
 | 
						|
        yield wrapped;
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  wrapWindow(window) {
 | 
						|
    return new Window(this.extension, window, windowTracker.getId(window));
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
// eslint-disable-next-line mozilla/balanced-listeners
 | 
						|
extensions.on("startup", (type, extension) => {
 | 
						|
  defineLazyGetter(extension, "tabManager", () => new TabManager(extension));
 | 
						|
  defineLazyGetter(
 | 
						|
    extension,
 | 
						|
    "windowManager",
 | 
						|
    () => new WindowManager(extension)
 | 
						|
  );
 | 
						|
});
 |