/* 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/. */ /* eslint no-undef:2 */ Components.utils.import("resource://gre/modules/XPCOMUtils.jsm"); Components.utils.import("resource://gre/modules/Services.jsm"); Components.utils.import("resource://gre/modules/AppConstants.jsm"); XPCOMUtils.defineLazyModuleGetter(this, "LaterRun", "resource:///modules/LaterRun.jsm"); XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils", "resource://gre/modules/PrivateBrowsingUtils.jsm"); XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow", "resource:///modules/RecentWindow.jsm"); XPCOMUtils.defineLazyModuleGetter(this, "ShellService", "resource:///modules/ShellService.jsm"); XPCOMUtils.defineLazyServiceGetter(this, "WindowsUIUtils", "@mozilla.org/windows-ui-utils;1", "nsIWindowsUIUtils"); const nsISupports = Components.interfaces.nsISupports; const nsIBrowserDOMWindow = Components.interfaces.nsIBrowserDOMWindow; const nsIBrowserHandler = Components.interfaces.nsIBrowserHandler; const nsIBrowserHistory = Components.interfaces.nsIBrowserHistory; const nsIChannel = Components.interfaces.nsIChannel; const nsICommandLine = Components.interfaces.nsICommandLine; const nsICommandLineHandler = Components.interfaces.nsICommandLineHandler; const nsIContentHandler = Components.interfaces.nsIContentHandler; const nsIDocShellTreeItem = Components.interfaces.nsIDocShellTreeItem; const nsIDOMChromeWindow = Components.interfaces.nsIDOMChromeWindow; const nsIDOMWindow = Components.interfaces.nsIDOMWindow; const nsIFileURL = Components.interfaces.nsIFileURL; const nsIInterfaceRequestor = Components.interfaces.nsIInterfaceRequestor; const nsINetUtil = Components.interfaces.nsINetUtil; const nsIPrefLocalizedString = Components.interfaces.nsIPrefLocalizedString; const nsISupportsString = Components.interfaces.nsISupportsString; const nsIWebNavigation = Components.interfaces.nsIWebNavigation; const nsIWebNavigationInfo = Components.interfaces.nsIWebNavigationInfo; const nsICommandLineValidator = Components.interfaces.nsICommandLineValidator; const NS_BINDING_ABORTED = Components.results.NS_BINDING_ABORTED; const NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001; const NS_ERROR_ABORT = Components.results.NS_ERROR_ABORT; function shouldLoadURI(aURI) { if (aURI && !aURI.schemeIs("chrome")) return true; dump("*** Preventing external load of chrome: URI into browser window\n"); dump(" Use --chrome <uri> instead\n"); return false; } function resolveURIInternal(aCmdLine, aArgument) { var uri = aCmdLine.resolveURI(aArgument); var uriFixup = Services.uriFixup; if (!(uri instanceof nsIFileURL)) { return uriFixup.createFixupURI(aArgument, uriFixup.FIXUP_FLAG_FIX_SCHEME_TYPOS); } try { if (uri.file.exists()) return uri; } catch (e) { Components.utils.reportError(e); } // We have interpreted the argument as a relative file URI, but the file // doesn't exist. Try URI fixup heuristics: see bug 290782. try { uri = uriFixup.createFixupURI(aArgument, 0); } catch (e) { Components.utils.reportError(e); } return uri; } var gFirstWindow = false; const OVERRIDE_NONE = 0; const OVERRIDE_NEW_PROFILE = 1; const OVERRIDE_NEW_MSTONE = 2; const OVERRIDE_NEW_BUILD_ID = 3; /** * Determines whether a home page override is needed. * Returns: * OVERRIDE_NEW_PROFILE if this is the first run with a new profile. * OVERRIDE_NEW_MSTONE if this is the first run with a build with a different * Gecko milestone (i.e. right after an upgrade). * OVERRIDE_NEW_BUILD_ID if this is the first run with a new build ID of the * same Gecko milestone (i.e. after a nightly upgrade). * OVERRIDE_NONE otherwise. */ function needHomepageOverride(prefb) { var savedmstone = null; try { savedmstone = prefb.getCharPref("browser.startup.homepage_override.mstone"); } catch (e) {} if (savedmstone == "ignore") return OVERRIDE_NONE; var mstone = Services.appinfo.platformVersion; var savedBuildID = null; try { savedBuildID = prefb.getCharPref("browser.startup.homepage_override.buildID"); } catch (e) {} var buildID = Services.appinfo.platformBuildID; if (mstone != savedmstone) { // Bug 462254. Previous releases had a default pref to suppress the EULA // agreement if the platform's installer had already shown one. Now with // about:rights we've removed the EULA stuff and default pref, but we need // a way to make existing profiles retain the default that we removed. if (savedmstone) prefb.setBoolPref("browser.rights.3.shown", true); prefb.setCharPref("browser.startup.homepage_override.mstone", mstone); prefb.setCharPref("browser.startup.homepage_override.buildID", buildID); return (savedmstone ? OVERRIDE_NEW_MSTONE : OVERRIDE_NEW_PROFILE); } if (buildID != savedBuildID) { prefb.setCharPref("browser.startup.homepage_override.buildID", buildID); return OVERRIDE_NEW_BUILD_ID; } return OVERRIDE_NONE; } /** * Gets the override page for the first run after the application has been * updated. * @param defaultOverridePage * The default override page. * @return The override page. */ function getPostUpdateOverridePage(defaultOverridePage) { var um = Components.classes["@mozilla.org/updates/update-manager;1"] .getService(Components.interfaces.nsIUpdateManager); try { // If the updates.xml file is deleted then getUpdateAt will throw. var update = um.getUpdateAt(0) .QueryInterface(Components.interfaces.nsIPropertyBag); } catch (e) { // This should never happen. Components.utils.reportError("Unable to find update: " + e); return defaultOverridePage; } let actions = update.getProperty("actions"); // When the update doesn't specify actions fallback to the original behavior // of displaying the default override page. if (!actions) return defaultOverridePage; // The existence of silent or the non-existence of showURL in the actions both // mean that an override page should not be displayed. if (actions.indexOf("silent") != -1 || actions.indexOf("showURL") == -1) return ""; return update.getProperty("openURL") || defaultOverridePage; } // Flag used to indicate that the arguments to openWindow can be passed directly. const NO_EXTERNAL_URIS = 1; function openWindow(parent, url, target, features, args, noExternalArgs) { if (noExternalArgs == NO_EXTERNAL_URIS) { // Just pass in the defaultArgs directly var argstring; if (args) { argstring = Components.classes["@mozilla.org/supports-string;1"] .createInstance(nsISupportsString); argstring.data = args; } return Services.ww.openWindow(parent, url, target, features, argstring); } // Pass an array to avoid the browser "|"-splitting behavior. var argArray = Components.classes["@mozilla.org/array;1"] .createInstance(Components.interfaces.nsIMutableArray); // add args to the arguments array var stringArgs = null; if (args instanceof Array) // array stringArgs = args; else if (args) // string stringArgs = [args]; if (stringArgs) { // put the URIs into argArray var uriArray = Components.classes["@mozilla.org/array;1"] .createInstance(Components.interfaces.nsIMutableArray); stringArgs.forEach(function (uri) { var sstring = Components.classes["@mozilla.org/supports-string;1"] .createInstance(nsISupportsString); sstring.data = uri; uriArray.appendElement(sstring, /* weak = */ false); }); argArray.appendElement(uriArray, /* weak =*/ false); } else { argArray.appendElement(null, /* weak =*/ false); } // Pass these as null to ensure that we always trigger the "single URL" // behavior in browser.js's gBrowserInit.onLoad (which handles the window // arguments) argArray.appendElement(null, /* weak =*/ false); // charset argArray.appendElement(null, /* weak =*/ false); // referer argArray.appendElement(null, /* weak =*/ false); // postData argArray.appendElement(null, /* weak =*/ false); // allowThirdPartyFixup return Services.ww.openWindow(parent, url, target, features, argArray); } function openPreferences() { var args = Components.classes["@mozilla.org/array;1"] .createInstance(Components.interfaces.nsIMutableArray); var wuri = Components.classes["@mozilla.org/supports-string;1"] .createInstance(Components.interfaces.nsISupportsString); wuri.data = "about:preferences"; args.appendElement(wuri, /* weak = */ false); Services.ww.openWindow(null, gBrowserContentHandler.chromeURL, "_blank", "chrome,dialog=no,all", args); } function logSystemBasedSearch(engine) { var countId = (engine.identifier || ("other-" + engine.name)) + ".system"; var count = Services.telemetry.getKeyedHistogramById("SEARCH_COUNTS"); count.add(countId); } function doSearch(searchTerm, cmdLine) { var engine = Services.search.defaultEngine; logSystemBasedSearch(engine); var submission = engine.getSubmission(searchTerm, null, "system"); // fill our nsIMutableArray with uri-as-wstring, null, null, postData var args = Components.classes["@mozilla.org/array;1"] .createInstance(Components.interfaces.nsIMutableArray); var wuri = Components.classes["@mozilla.org/supports-string;1"] .createInstance(Components.interfaces.nsISupportsString); wuri.data = submission.uri.spec; args.appendElement(wuri, /* weak =*/ false); args.appendElement(null, /* weak =*/ false); args.appendElement(null, /* weak =*/ false); args.appendElement(submission.postData, /* weak =*/ false); // XXXbsmedberg: use handURIToExistingBrowser to obey tabbed-browsing // preferences, but need nsIBrowserDOMWindow extensions return Services.ww.openWindow(null, gBrowserContentHandler.chromeURL, "_blank", "chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine), args); } function nsBrowserContentHandler() { } nsBrowserContentHandler.prototype = { classID: Components.ID("{5d0ce354-df01-421a-83fb-7ead0990c24e}"), _xpcom_factory: { createInstance: function bch_factory_ci(outer, iid) { if (outer) throw Components.results.NS_ERROR_NO_AGGREGATION; return gBrowserContentHandler.QueryInterface(iid); } }, /* helper functions */ mChromeURL : null, get chromeURL() { if (this.mChromeURL) { return this.mChromeURL; } this.mChromeURL = Services.prefs.getCharPref("browser.chromeURL"); return this.mChromeURL; }, /* nsISupports */ QueryInterface : XPCOMUtils.generateQI([nsICommandLineHandler, nsIBrowserHandler, nsIContentHandler, nsICommandLineValidator]), /* nsICommandLineHandler */ handle : function bch_handle(cmdLine) { if (cmdLine.handleFlag("browser", false)) { // Passing defaultArgs, so use NO_EXTERNAL_URIS openWindow(null, this.chromeURL, "_blank", "chrome,dialog=no,all" + this.getFeatures(cmdLine), this.defaultArgs, NO_EXTERNAL_URIS); cmdLine.preventDefault = true; } // In the past, when an instance was not already running, the -remote // option returned an error code. Any script or application invoking the // -remote option is expected to be handling this case, otherwise they // wouldn't be doing anything when there is no Firefox already running. // Making the -remote option always return an error code makes those // scripts or applications handle the situation as if Firefox was not // already running. if (cmdLine.handleFlag("remote", true)) { throw NS_ERROR_ABORT; } var uriparam; try { while ((uriparam = cmdLine.handleFlagWithParam("new-window", false))) { let uri = resolveURIInternal(cmdLine, uriparam); if (!shouldLoadURI(uri)) continue; openWindow(null, this.chromeURL, "_blank", "chrome,dialog=no,all" + this.getFeatures(cmdLine), uri.spec); cmdLine.preventDefault = true; } } catch (e) { Components.utils.reportError(e); } try { while ((uriparam = cmdLine.handleFlagWithParam("new-tab", false))) { let uri = resolveURIInternal(cmdLine, uriparam); handURIToExistingBrowser(uri, nsIBrowserDOMWindow.OPEN_NEWTAB, cmdLine); cmdLine.preventDefault = true; } } catch (e) { Components.utils.reportError(e); } var chromeParam = cmdLine.handleFlagWithParam("chrome", false); if (chromeParam) { // Handle old preference dialog URLs. if (chromeParam == "chrome://browser/content/pref/pref.xul" || chromeParam == "chrome://browser/content/preferences/preferences.xul") { openPreferences(); cmdLine.preventDefault = true; } else try { let resolvedURI = resolveURIInternal(cmdLine, chromeParam); let isLocal = uri => { let localSchemes = new Set(["chrome", "file", "resource"]); if (uri instanceof Components.interfaces.nsINestedURI) { uri = uri.QueryInterface(Components.interfaces.nsINestedURI).innerMostURI; } return localSchemes.has(uri.scheme); }; if (isLocal(resolvedURI)) { // If the URI is local, we are sure it won't wrongly inherit chrome privs var features = "chrome,dialog=no,all" + this.getFeatures(cmdLine); openWindow(null, resolvedURI.spec, "_blank", features); cmdLine.preventDefault = true; } else { dump("*** Preventing load of web URI as chrome\n"); dump(" If you're trying to load a webpage, do not pass --chrome.\n"); } } catch (e) { Components.utils.reportError(e); } } if (cmdLine.handleFlag("preferences", false)) { openPreferences(); cmdLine.preventDefault = true; } if (cmdLine.handleFlag("silent", false)) cmdLine.preventDefault = true; try { var privateWindowParam = cmdLine.handleFlagWithParam("private-window", false); if (privateWindowParam) { let resolvedURI = resolveURIInternal(cmdLine, privateWindowParam); handURIToExistingBrowser(resolvedURI, nsIBrowserDOMWindow.OPEN_NEWTAB, cmdLine, true); cmdLine.preventDefault = true; } } catch (e) { if (e.result != Components.results.NS_ERROR_INVALID_ARG) { throw e; } // NS_ERROR_INVALID_ARG is thrown when flag exists, but has no param. if (cmdLine.handleFlag("private-window", false)) { openWindow(null, this.chromeURL, "_blank", "chrome,dialog=no,private,all" + this.getFeatures(cmdLine), "about:privatebrowsing"); cmdLine.preventDefault = true; } } var searchParam = cmdLine.handleFlagWithParam("search", false); if (searchParam) { doSearch(searchParam, cmdLine); cmdLine.preventDefault = true; } // The global PB Service consumes this flag, so only eat it in per-window // PB builds. if (cmdLine.handleFlag("private", false)) { PrivateBrowsingUtils.enterTemporaryAutoStartMode(); } var fileParam = cmdLine.handleFlagWithParam("file", false); if (fileParam) { var file = cmdLine.resolveFile(fileParam); var fileURI = Services.io.newFileURI(file); openWindow(null, this.chromeURL, "_blank", "chrome,dialog=no,all" + this.getFeatures(cmdLine), fileURI.spec); cmdLine.preventDefault = true; } if (AppConstants.platform == "win") { // Handle "? searchterm" for Windows Vista start menu integration for (var i = cmdLine.length - 1; i >= 0; --i) { var param = cmdLine.getArgument(i); if (param.match(/^\? /)) { cmdLine.removeArguments(i, i); cmdLine.preventDefault = true; searchParam = param.substr(2); doSearch(searchParam, cmdLine); } } } }, get helpInfo() { let info = " --browser Open a browser window.\n" + " --new-window <url> Open <url> in a new window.\n" + " --new-tab <url> Open <url> in a new tab.\n" + " --private-window <url> Open <url> in a new private window.\n"; if (AppConstants.platform == "win") { info += " --preferences Open Options dialog.\n"; } else { info += " --preferences Open Preferences dialog.\n"; } info += " --search <term> Search <term> with your default search engine.\n"; return info; }, /* nsIBrowserHandler */ get defaultArgs() { var prefb = Services.prefs; if (!gFirstWindow) { gFirstWindow = true; if (PrivateBrowsingUtils.isInTemporaryAutoStartMode) { return "about:privatebrowsing"; } } var override; var overridePage = ""; var additionalPage = ""; var willRestoreSession = false; try { // Read the old value of homepage_override.mstone before // needHomepageOverride updates it, so that we can later add it to the // URL if we do end up showing an overridePage. This makes it possible // to have the overridePage's content vary depending on the version we're // upgrading from. let old_mstone = "unknown"; try { old_mstone = Services.prefs.getCharPref("browser.startup.homepage_override.mstone"); } catch (ex) {} override = needHomepageOverride(prefb); if (override != OVERRIDE_NONE) { switch (override) { case OVERRIDE_NEW_PROFILE: // New profile. overridePage = Services.urlFormatter.formatURLPref("startup.homepage_welcome_url"); additionalPage = Services.urlFormatter.formatURLPref("startup.homepage_welcome_url.additional"); // Turn on 'later run' pages for new profiles. LaterRun.enabled = true; break; case OVERRIDE_NEW_MSTONE: // Check whether we will restore a session. If we will, we assume // that this is an "update" session. This does not take crashes // into account because that requires waiting for the session file // to be read. If a crash occurs after updating, before restarting, // we may open the startPage in addition to restoring the session. var ss = Components.classes["@mozilla.org/browser/sessionstartup;1"] .getService(Components.interfaces.nsISessionStartup); willRestoreSession = ss.isAutomaticRestoreEnabled(); overridePage = Services.urlFormatter.formatURLPref("startup.homepage_override_url"); if (prefb.prefHasUserValue("app.update.postupdate")) overridePage = getPostUpdateOverridePage(overridePage); overridePage = overridePage.replace("%OLD_VERSION%", old_mstone); break; } } } catch (ex) {} // formatURLPref might return "about:blank" if getting the pref fails if (overridePage == "about:blank") overridePage = ""; if (!additionalPage) { additionalPage = LaterRun.getURL() || ""; } if (additionalPage && additionalPage != "about:blank") { if (overridePage) { overridePage += "|" + additionalPage; } else { overridePage = additionalPage; } } var startPage = ""; try { var choice = prefb.getIntPref("browser.startup.page"); if (choice == 1 || choice == 3) startPage = this.startPage; } catch (e) { Components.utils.reportError(e); } if (startPage == "about:blank") startPage = ""; let skipStartPage = override == OVERRIDE_NEW_PROFILE && prefb.getBoolPref("browser.startup.firstrunSkipsHomepage"); // Only show the startPage if we're not restoring an update session and are // not set to skip the start page on this profile if (overridePage && startPage && !willRestoreSession && !skipStartPage) return overridePage + "|" + startPage; return overridePage || startPage || "about:blank" || "about:logopage"; }, get startPage() { var uri = Services.prefs.getComplexValue("browser.startup.homepage", nsIPrefLocalizedString).data; if (!uri) { Services.prefs.clearUserPref("browser.startup.homepage"); uri = Services.prefs.getComplexValue("browser.startup.homepage", nsIPrefLocalizedString).data; } return uri; }, mFeatures : null, getFeatures : function bch_features(cmdLine) { if (this.mFeatures === null) { this.mFeatures = ""; try { var width = cmdLine.handleFlagWithParam("width", false); var height = cmdLine.handleFlagWithParam("height", false); if (width) this.mFeatures += ",width=" + width; if (height) this.mFeatures += ",height=" + height; } catch (e) { } // The global PB Service consumes this flag, so only eat it in per-window // PB builds. if (PrivateBrowsingUtils.isInTemporaryAutoStartMode) { this.mFeatures = ",private"; } } return this.mFeatures; }, /* nsIContentHandler */ handleContent : function bch_handleContent(contentType, context, request) { try { var webNavInfo = Components.classes["@mozilla.org/webnavigation-info;1"] .getService(nsIWebNavigationInfo); if (!webNavInfo.isTypeSupported(contentType, null)) { throw NS_ERROR_WONT_HANDLE_CONTENT; } } catch (e) { throw NS_ERROR_WONT_HANDLE_CONTENT; } request.QueryInterface(nsIChannel); handURIToExistingBrowser(request.URI, nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW, null); request.cancel(NS_BINDING_ABORTED); }, /* nsICommandLineValidator */ validate : function bch_validate(cmdLine) { // Other handlers may use osint so only handle the osint flag if the url // flag is also present and the command line is valid. var osintFlagIdx = cmdLine.findFlag("osint", false); var urlFlagIdx = cmdLine.findFlag("url", false); if (urlFlagIdx > -1 && (osintFlagIdx > -1 || cmdLine.state == nsICommandLine.STATE_REMOTE_EXPLICIT)) { var urlParam = cmdLine.getArgument(urlFlagIdx + 1); if (cmdLine.length != urlFlagIdx + 2 || /firefoxurl:/.test(urlParam)) throw NS_ERROR_ABORT; var isDefault = false; try { var url = Services.urlFormatter.formatURLPref("app.support.baseURL") + "win10-default-browser"; if (urlParam == url) { isDefault = ShellService.isDefaultBrowser(false, false); } } catch (ex) {} if (isDefault) { // Firefox is already the default HTTP handler. // We don't have to show the instruction page. throw NS_ERROR_ABORT; } cmdLine.handleFlag("osint", false) } }, }; var gBrowserContentHandler = new nsBrowserContentHandler(); function handURIToExistingBrowser(uri, location, cmdLine, forcePrivate) { if (!shouldLoadURI(uri)) return; // Unless using a private window is forced, open external links in private // windows only if we're in perma-private mode. var allowPrivate = forcePrivate || PrivateBrowsingUtils.permanentPrivateBrowsing; var navWin = RecentWindow.getMostRecentBrowserWindow({private: allowPrivate}); if (!navWin) { // if we couldn't load it in an existing window, open a new one var features = "chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine); if (forcePrivate) { features += ",private"; } openWindow(null, gBrowserContentHandler.chromeURL, "_blank", features, uri.spec); return; } var navNav = navWin.QueryInterface(nsIInterfaceRequestor) .getInterface(nsIWebNavigation); var rootItem = navNav.QueryInterface(nsIDocShellTreeItem).rootTreeItem; var rootWin = rootItem.QueryInterface(nsIInterfaceRequestor) .getInterface(nsIDOMWindow); var bwin = rootWin.QueryInterface(nsIDOMChromeWindow).browserDOMWindow; bwin.openURI(uri, null, location, nsIBrowserDOMWindow.OPEN_EXTERNAL); } function nsDefaultCommandLineHandler() { } nsDefaultCommandLineHandler.prototype = { classID: Components.ID("{47cd0651-b1be-4a0f-b5c4-10e5a573ef71}"), /* nsISupports */ QueryInterface : function dch_QI(iid) { if (!iid.equals(nsISupports) && !iid.equals(nsICommandLineHandler)) throw Components.results.NS_ERROR_NO_INTERFACE; return this; }, _haveProfile: false, /* nsICommandLineHandler */ handle : function dch_handle(cmdLine) { // The -url flag is inserted by the operating system when the default // application handler is used. We check for default browser to remove // instances where users explicitly decide to "open with" the browser. // Note that users who launch firefox manually with the -url flag will // get erroneously counted. try { if (cmdLine.findFlag("url", false) && ShellService.isDefaultBrowser(false, false)) { Services.telemetry.getHistogramById("FX_STARTUP_EXTERNAL_CONTENT_HANDLER").add(); } } catch (e) {} var urilist = []; if (AppConstants.platform == "win") { // If we don't have a profile selected yet (e.g. the Profile Manager is // displayed) we will crash if we open an url and then select a profile. To // prevent this handle all url command line flags and set the command line's // preventDefault to true to prevent the display of the ui. The initial // command line will be retained when nsAppRunner calls LaunchChild though // urls launched after the initial launch will be lost. if (!this._haveProfile) { try { // This will throw when a profile has not been selected. Services.dirsvc.get("ProfD", Components.interfaces.nsILocalFile); this._haveProfile = true; } catch (e) { while ((ar = cmdLine.handleFlagWithParam("url", false))); cmdLine.preventDefault = true; } } } try { var ar; while ((ar = cmdLine.handleFlagWithParam("url", false))) { var uri = resolveURIInternal(cmdLine, ar); urilist.push(uri); } } catch (e) { Components.utils.reportError(e); } for (let i = 0; i < cmdLine.length; ++i) { var curarg = cmdLine.getArgument(i); if (curarg.match(/^-/)) { Components.utils.reportError("Warning: unrecognized command line flag " + curarg + "\n"); // To emulate the pre-nsICommandLine behavior, we ignore // the argument after an unrecognized flag. ++i; } else { try { urilist.push(resolveURIInternal(cmdLine, curarg)); } catch (e) { Components.utils.reportError("Error opening URI '" + curarg + "' from the command line: " + e + "\n"); } } } if (urilist.length) { if (cmdLine.state != nsICommandLine.STATE_INITIAL_LAUNCH && urilist.length == 1) { // Try to find an existing window and load our URI into the // current tab, new tab, or new window as prefs determine. try { handURIToExistingBrowser(urilist[0], nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW, cmdLine); return; } catch (e) { } } var URLlist = urilist.filter(shouldLoadURI).map(u => u.spec); if (URLlist.length) { openWindow(null, gBrowserContentHandler.chromeURL, "_blank", "chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine), URLlist); } } else if (!cmdLine.preventDefault) { if (AppConstants.isPlatformAndVersionAtLeast("win", "10") && cmdLine.state != nsICommandLine.STATE_INITIAL_LAUNCH && WindowsUIUtils.inTabletMode) { // In windows 10 tablet mode, do not create a new window, but reuse the existing one. let win = RecentWindow.getMostRecentBrowserWindow(); if (win) { win.focus(); return; } } // Passing defaultArgs, so use NO_EXTERNAL_URIS openWindow(null, gBrowserContentHandler.chromeURL, "_blank", "chrome,dialog=no,all" + gBrowserContentHandler.getFeatures(cmdLine), gBrowserContentHandler.defaultArgs, NO_EXTERNAL_URIS); } }, helpInfo : "", }; var components = [nsBrowserContentHandler, nsDefaultCommandLineHandler]; this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);