mirror of
https://github.com/mozilla/gecko-dev.git
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8a411e49fa
We need to ensure we're not in a `WndProc` callback context when interacting with native notification COM objects, which is currently a problem when called from the command line handler (see Bug 1805802). We achieve this by moving COM work onto a background task which defers processing until after `WndProc` returns. Now that retrieving the fallback URL occurs on a background task waiting for it before returning would block the main thread. Making `handleWindowsTag` async introduced race conditions with commandline handling, requiring a `enterLastWindowClosingSurvivalArea`/`exitLastWindowClosingSurvivalArea` to prevent misbehavior in case early blank window is pref'd off. In order to simplify exit cleanup, the API was updated to return a `Promise`. Differential Revision: https://phabricator.services.mozilla.com/D160458
1288 lines
42 KiB
JavaScript
1288 lines
42 KiB
JavaScript
/* 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
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import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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FirstStartup: "resource://gre/modules/FirstStartup.sys.mjs",
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PrivateBrowsingUtils: "resource://gre/modules/PrivateBrowsingUtils.sys.mjs",
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SessionStartup: "resource:///modules/sessionstore/SessionStartup.sys.mjs",
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UpdatePing: "resource://gre/modules/UpdatePing.sys.mjs",
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});
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XPCOMUtils.defineLazyModuleGetters(lazy, {
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BrowserWindowTracker: "resource:///modules/BrowserWindowTracker.jsm",
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HeadlessShell: "resource:///modules/HeadlessShell.jsm",
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HomePage: "resource:///modules/HomePage.jsm",
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LaterRun: "resource:///modules/LaterRun.jsm",
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NimbusFeatures: "resource://nimbus/ExperimentAPI.jsm",
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ShellService: "resource:///modules/ShellService.jsm",
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});
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XPCOMUtils.defineLazyServiceGetters(lazy, {
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UpdateManager: ["@mozilla.org/updates/update-manager;1", "nsIUpdateManager"],
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WinTaskbar: ["@mozilla.org/windows-taskbar;1", "nsIWinTaskbar"],
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WindowsUIUtils: ["@mozilla.org/windows-ui-utils;1", "nsIWindowsUIUtils"],
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});
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XPCOMUtils.defineLazyGetter(lazy, "gSystemPrincipal", () =>
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Services.scriptSecurityManager.getSystemPrincipal()
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);
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XPCOMUtils.defineLazyGetter(lazy, "gWindowsAlertsService", () => {
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// We might not have the Windows alerts service: e.g., on Windows 7 and Windows 8.
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if (!("nsIWindowsAlertsService" in Ci)) {
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return null;
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}
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return Cc["@mozilla.org/system-alerts-service;1"]
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?.getService(Ci.nsIAlertsService)
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?.QueryInterface(Ci.nsIWindowsAlertsService);
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});
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// One-time startup homepage override configurations
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const ONCE_DOMAINS = ["mozilla.org", "firefox.com"];
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const ONCE_PREF = "browser.startup.homepage_override.once";
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// Index of Private Browsing icon in firefox.exe
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// Must line up with the one in nsNativeAppSupportWin.h.
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const PRIVATE_BROWSING_ICON_INDEX = 5;
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function shouldLoadURI(aURI) {
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if (aURI && !aURI.schemeIs("chrome")) {
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return true;
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}
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dump("*** Preventing external load of chrome: URI into browser window\n");
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dump(" Use --chrome <uri> instead\n");
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return false;
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}
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function resolveURIInternal(aCmdLine, aArgument) {
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var uri = aCmdLine.resolveURI(aArgument);
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var uriFixup = Services.uriFixup;
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if (!(uri instanceof Ci.nsIFileURL)) {
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return Services.uriFixup.getFixupURIInfo(
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aArgument,
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uriFixup.FIXUP_FLAG_FIX_SCHEME_TYPOS
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).preferredURI;
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}
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try {
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if (uri.file.exists()) {
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return uri;
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}
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} catch (e) {
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console.error(e);
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}
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// We have interpreted the argument as a relative file URI, but the file
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// doesn't exist. Try URI fixup heuristics: see bug 290782.
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try {
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uri = Services.uriFixup.getFixupURIInfo(aArgument).preferredURI;
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} catch (e) {
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console.error(e);
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}
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return uri;
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}
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let gKiosk = false;
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let gMajorUpgrade = false;
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let gFirstRunProfile = false;
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var gFirstWindow = false;
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const OVERRIDE_NONE = 0;
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const OVERRIDE_NEW_PROFILE = 1;
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const OVERRIDE_NEW_MSTONE = 2;
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const OVERRIDE_NEW_BUILD_ID = 3;
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/**
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* Determines whether a home page override is needed.
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* Returns:
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* OVERRIDE_NEW_PROFILE if this is the first run with a new profile.
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* OVERRIDE_NEW_MSTONE if this is the first run with a build with a different
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* Gecko milestone (i.e. right after an upgrade).
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* OVERRIDE_NEW_BUILD_ID if this is the first run with a new build ID of the
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* same Gecko milestone (i.e. after a nightly upgrade).
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* OVERRIDE_NONE otherwise.
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*/
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function needHomepageOverride(prefb) {
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var savedmstone = prefb.getCharPref(
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"browser.startup.homepage_override.mstone",
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""
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);
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if (savedmstone == "ignore") {
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return OVERRIDE_NONE;
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}
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var mstone = Services.appinfo.platformVersion;
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var savedBuildID = prefb.getCharPref(
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"browser.startup.homepage_override.buildID",
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""
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);
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var buildID = Services.appinfo.platformBuildID;
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if (mstone != savedmstone) {
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// Bug 462254. Previous releases had a default pref to suppress the EULA
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// agreement if the platform's installer had already shown one. Now with
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// about:rights we've removed the EULA stuff and default pref, but we need
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// a way to make existing profiles retain the default that we removed.
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if (savedmstone) {
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prefb.setBoolPref("browser.rights.3.shown", true);
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// Remember that we saw a major version change.
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gMajorUpgrade = true;
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}
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prefb.setCharPref("browser.startup.homepage_override.mstone", mstone);
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prefb.setCharPref("browser.startup.homepage_override.buildID", buildID);
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return savedmstone ? OVERRIDE_NEW_MSTONE : OVERRIDE_NEW_PROFILE;
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}
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if (buildID != savedBuildID) {
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prefb.setCharPref("browser.startup.homepage_override.buildID", buildID);
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return OVERRIDE_NEW_BUILD_ID;
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}
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return OVERRIDE_NONE;
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}
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/**
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* Gets the override page for the first run after the application has been
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* updated.
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* @param update
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* The nsIUpdate for the update that has been applied.
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* @param defaultOverridePage
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* The default override page.
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* @return The override page.
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*/
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function getPostUpdateOverridePage(update, defaultOverridePage) {
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update = update.QueryInterface(Ci.nsIWritablePropertyBag);
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let actions = update.getProperty("actions");
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// When the update doesn't specify actions fallback to the original behavior
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// of displaying the default override page.
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if (!actions) {
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return defaultOverridePage;
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}
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// The existence of silent or the non-existence of showURL in the actions both
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// mean that an override page should not be displayed.
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if (actions.includes("silent") || !actions.includes("showURL")) {
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return "";
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}
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// If a policy was set to not allow the update.xml-provided
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// URL to be used, use the default fallback (which will also
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// be provided by the policy).
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if (!Services.policies.isAllowed("postUpdateCustomPage")) {
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return defaultOverridePage;
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}
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return update.getProperty("openURL") || defaultOverridePage;
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}
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/**
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* Open a browser window. If this is the initial launch, this function will
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* attempt to use the navigator:blank window opened by BrowserGlue.sys.mjs during
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* early startup.
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*
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* @param cmdLine
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* The nsICommandLine object given to nsICommandLineHandler's handle
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* method.
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* Used to check if we are processing the command line for the initial launch.
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* @param triggeringPrincipal
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* The nsIPrincipal to use as triggering principal for the page load(s).
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* @param urlOrUrlList (optional)
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* When omitted, the browser window will be opened with the default
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* arguments, which will usually load the homepage.
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* This can be a JS array of urls provided as strings, each url will be
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* loaded in a tab. postData will be ignored in this case.
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* This can be a single url to load in the new window, provided as a string.
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* postData will be used in this case if provided.
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* @param postData (optional)
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* An nsIInputStream object to use as POST data when loading the provided
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* url, or null.
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* @param forcePrivate (optional)
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* Boolean. If set to true, the new window will be a private browsing one.
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*
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* @returns {ChromeWindow}
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* Returns the top level window opened.
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*/
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function openBrowserWindow(
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cmdLine,
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triggeringPrincipal,
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urlOrUrlList,
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postData = null,
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forcePrivate = false
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) {
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const isStartup =
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cmdLine && cmdLine.state == Ci.nsICommandLine.STATE_INITIAL_LAUNCH;
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let args;
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if (!urlOrUrlList) {
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// Just pass in the defaultArgs directly. We'll use system principal on the other end.
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args = [gBrowserContentHandler.getArgs(isStartup)];
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} else if (Array.isArray(urlOrUrlList)) {
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// There isn't an explicit way to pass a principal here, so we load multiple URLs
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// with system principal when we get to actually loading them.
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if (
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!triggeringPrincipal ||
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!triggeringPrincipal.equals(lazy.gSystemPrincipal)
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) {
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throw new Error(
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"Can't open multiple URLs with something other than system principal."
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);
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}
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// Passing an nsIArray for the url disables the "|"-splitting behavior.
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let uriArray = Cc["@mozilla.org/array;1"].createInstance(
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Ci.nsIMutableArray
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);
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urlOrUrlList.forEach(function(uri) {
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var sstring = Cc["@mozilla.org/supports-string;1"].createInstance(
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Ci.nsISupportsString
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);
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sstring.data = uri;
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uriArray.appendElement(sstring);
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});
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args = [uriArray];
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} else {
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let extraOptions = Cc["@mozilla.org/hash-property-bag;1"].createInstance(
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Ci.nsIWritablePropertyBag2
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);
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extraOptions.setPropertyAsBool("fromExternal", true);
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// Always pass at least 3 arguments to avoid the "|"-splitting behavior,
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// ie. avoid the loadOneOrMoreURIs function.
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// Also, we need to pass the triggering principal.
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args = [
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urlOrUrlList,
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extraOptions,
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null, // refererInfo
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postData,
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undefined, // allowThirdPartyFixup; this would be `false` but that
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// needs a conversion. Hopefully bug 1485961 will fix.
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undefined, // user context id
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null, // origin principal
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null, // origin storage principal
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triggeringPrincipal,
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];
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}
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if (isStartup) {
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let win = Services.wm.getMostRecentWindow("navigator:blank");
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if (win) {
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// Remove the windowtype of our blank window so that we don't close it
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// later on when seeing cmdLine.preventDefault is true.
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win.document.documentElement.removeAttribute("windowtype");
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if (forcePrivate) {
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win.docShell.QueryInterface(
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Ci.nsILoadContext
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).usePrivateBrowsing = true;
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if (
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AppConstants.platform == "win" &&
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lazy.NimbusFeatures.majorRelease2022.getVariable(
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"feltPrivacyWindowSeparation"
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)
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) {
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lazy.WinTaskbar.setGroupIdForWindow(
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win,
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lazy.WinTaskbar.defaultPrivateGroupId
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);
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lazy.WindowsUIUtils.setWindowIconFromExe(
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win,
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Services.dirsvc.get("XREExeF", Ci.nsIFile).path,
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// This corresponds to the definitions in
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// nsNativeAppSupportWin.h
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PRIVATE_BROWSING_ICON_INDEX
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);
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}
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}
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let openTime = win.openTime;
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win.location = AppConstants.BROWSER_CHROME_URL;
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win.arguments = args; // <-- needs to be a plain JS array here.
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ChromeUtils.addProfilerMarker("earlyBlankWindowVisible", openTime);
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lazy.BrowserWindowTracker.registerOpeningWindow(win, forcePrivate);
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return win;
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}
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}
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// We can't provide arguments to openWindow as a JS array.
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if (!urlOrUrlList) {
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// If we have a single string guaranteed to not contain '|' we can simply
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// wrap it in an nsISupportsString object.
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let [url] = args;
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args = Cc["@mozilla.org/supports-string;1"].createInstance(
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Ci.nsISupportsString
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);
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args.data = url;
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} else {
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// Otherwise, pass an nsIArray.
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if (args.length > 1) {
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let string = Cc["@mozilla.org/supports-string;1"].createInstance(
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Ci.nsISupportsString
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);
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string.data = args[0];
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args[0] = string;
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}
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let array = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);
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args.forEach(a => {
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array.appendElement(a);
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});
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args = array;
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}
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return lazy.BrowserWindowTracker.openWindow({
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args,
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features: gBrowserContentHandler.getFeatures(cmdLine),
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private: forcePrivate,
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});
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}
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function openPreferences(cmdLine, extraArgs) {
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openBrowserWindow(cmdLine, lazy.gSystemPrincipal, "about:preferences");
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}
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async function doSearch(searchTerm, cmdLine) {
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// XXXbsmedberg: use handURIToExistingBrowser to obey tabbed-browsing
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// preferences, but need nsIBrowserDOMWindow extensions
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// Open the window immediately as BrowserContentHandler needs to
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// be handled synchronously. Then load the search URI when the
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// SearchService has loaded.
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let win = openBrowserWindow(cmdLine, lazy.gSystemPrincipal, "about:blank");
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await new Promise(resolve => {
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Services.obs.addObserver(function observe(subject) {
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if (subject == win) {
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Services.obs.removeObserver(
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observe,
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"browser-delayed-startup-finished"
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);
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resolve();
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}
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}, "browser-delayed-startup-finished");
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});
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win.BrowserSearch.loadSearchFromCommandLine(
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searchTerm,
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lazy.PrivateBrowsingUtils.isInTemporaryAutoStartMode ||
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lazy.PrivateBrowsingUtils.isWindowPrivate(win),
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lazy.gSystemPrincipal,
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win.gBrowser.selectedBrowser.csp
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).catch(console.error);
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}
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export function nsBrowserContentHandler() {
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if (!gBrowserContentHandler) {
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gBrowserContentHandler = this;
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}
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return gBrowserContentHandler;
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}
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nsBrowserContentHandler.prototype = {
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/* nsISupports */
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QueryInterface: ChromeUtils.generateQI([
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"nsICommandLineHandler",
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"nsIBrowserHandler",
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"nsIContentHandler",
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"nsICommandLineValidator",
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]),
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/* nsICommandLineHandler */
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handle: function bch_handle(cmdLine) {
|
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if (cmdLine.handleFlag("kiosk", false)) {
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gKiosk = true;
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}
|
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if (cmdLine.handleFlag("disable-pinch", false)) {
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let defaults = Services.prefs.getDefaultBranch(null);
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defaults.setBoolPref("apz.allow_zooming", false);
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Services.prefs.lockPref("apz.allow_zooming");
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defaults.setCharPref("browser.gesture.pinch.in", "");
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Services.prefs.lockPref("browser.gesture.pinch.in");
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defaults.setCharPref("browser.gesture.pinch.in.shift", "");
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Services.prefs.lockPref("browser.gesture.pinch.in.shift");
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defaults.setCharPref("browser.gesture.pinch.out", "");
|
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Services.prefs.lockPref("browser.gesture.pinch.out");
|
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defaults.setCharPref("browser.gesture.pinch.out.shift", "");
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Services.prefs.lockPref("browser.gesture.pinch.out.shift");
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}
|
|
if (cmdLine.handleFlag("browser", false)) {
|
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openBrowserWindow(cmdLine, lazy.gSystemPrincipal);
|
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cmdLine.preventDefault = true;
|
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}
|
|
|
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// In the past, when an instance was not already running, the -remote
|
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// option returned an error code. Any script or application invoking the
|
|
// -remote option is expected to be handling this case, otherwise they
|
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// wouldn't be doing anything when there is no Firefox already running.
|
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// Making the -remote option always return an error code makes those
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// scripts or applications handle the situation as if Firefox was not
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// already running.
|
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if (cmdLine.handleFlag("remote", true)) {
|
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throw Components.Exception("", Cr.NS_ERROR_ABORT);
|
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}
|
|
|
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var uriparam;
|
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try {
|
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while ((uriparam = cmdLine.handleFlagWithParam("new-window", false))) {
|
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let uri = resolveURIInternal(cmdLine, uriparam);
|
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if (!shouldLoadURI(uri)) {
|
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continue;
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}
|
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openBrowserWindow(cmdLine, lazy.gSystemPrincipal, uri.spec);
|
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cmdLine.preventDefault = true;
|
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}
|
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} catch (e) {
|
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console.error(e);
|
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}
|
|
|
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try {
|
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while ((uriparam = cmdLine.handleFlagWithParam("new-tab", false))) {
|
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let uri = resolveURIInternal(cmdLine, uriparam);
|
|
handURIToExistingBrowser(
|
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uri,
|
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Ci.nsIBrowserDOMWindow.OPEN_NEWTAB,
|
|
cmdLine,
|
|
false,
|
|
lazy.gSystemPrincipal
|
|
);
|
|
cmdLine.preventDefault = true;
|
|
}
|
|
} catch (e) {
|
|
console.error(e);
|
|
}
|
|
|
|
var chromeParam = cmdLine.handleFlagWithParam("chrome", false);
|
|
if (chromeParam) {
|
|
// Handle old preference dialog URLs.
|
|
if (
|
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chromeParam == "chrome://browser/content/pref/pref.xul" ||
|
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chromeParam == "chrome://browser/content/preferences/preferences.xul"
|
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) {
|
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openPreferences(cmdLine);
|
|
cmdLine.preventDefault = true;
|
|
} else {
|
|
try {
|
|
let resolvedURI = resolveURIInternal(cmdLine, chromeParam);
|
|
let isLocal = uri => {
|
|
let localSchemes = new Set(["chrome", "file", "resource"]);
|
|
if (uri instanceof Ci.nsINestedURI) {
|
|
uri = uri.QueryInterface(Ci.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
|
|
let features = "chrome,dialog=no,all" + this.getFeatures(cmdLine);
|
|
// Provide 1 null argument, as openWindow has a different behavior
|
|
// when the arg count is 0.
|
|
let argArray = Cc["@mozilla.org/array;1"].createInstance(
|
|
Ci.nsIMutableArray
|
|
);
|
|
argArray.appendElement(null);
|
|
Services.ww.openWindow(
|
|
null,
|
|
resolvedURI.spec,
|
|
"_blank",
|
|
features,
|
|
argArray
|
|
);
|
|
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) {
|
|
console.error(e);
|
|
}
|
|
}
|
|
}
|
|
if (cmdLine.handleFlag("preferences", false)) {
|
|
openPreferences(cmdLine);
|
|
cmdLine.preventDefault = true;
|
|
}
|
|
if (cmdLine.handleFlag("silent", false)) {
|
|
cmdLine.preventDefault = true;
|
|
}
|
|
|
|
try {
|
|
var privateWindowParam = cmdLine.handleFlagWithParam(
|
|
"private-window",
|
|
false
|
|
);
|
|
if (privateWindowParam) {
|
|
let forcePrivate = true;
|
|
let resolvedURI;
|
|
if (!lazy.PrivateBrowsingUtils.enabled) {
|
|
// Load about:privatebrowsing in a normal tab, which will display an error indicating
|
|
// access to private browsing has been disabled.
|
|
forcePrivate = false;
|
|
resolvedURI = Services.io.newURI("about:privatebrowsing");
|
|
} else {
|
|
resolvedURI = resolveURIInternal(cmdLine, privateWindowParam);
|
|
}
|
|
handURIToExistingBrowser(
|
|
resolvedURI,
|
|
Ci.nsIBrowserDOMWindow.OPEN_NEWTAB,
|
|
cmdLine,
|
|
forcePrivate,
|
|
lazy.gSystemPrincipal
|
|
);
|
|
cmdLine.preventDefault = true;
|
|
}
|
|
} catch (e) {
|
|
if (e.result != Cr.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)) {
|
|
openBrowserWindow(
|
|
cmdLine,
|
|
lazy.gSystemPrincipal,
|
|
"about:privatebrowsing",
|
|
null,
|
|
lazy.PrivateBrowsingUtils.enabled
|
|
);
|
|
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) &&
|
|
lazy.PrivateBrowsingUtils.enabled
|
|
) {
|
|
lazy.PrivateBrowsingUtils.enterTemporaryAutoStartMode();
|
|
if (cmdLine.state == Ci.nsICommandLine.STATE_INITIAL_LAUNCH) {
|
|
let win = Services.wm.getMostRecentWindow("navigator:blank");
|
|
if (win) {
|
|
win.docShell.QueryInterface(
|
|
Ci.nsILoadContext
|
|
).usePrivateBrowsing = true;
|
|
}
|
|
}
|
|
}
|
|
if (cmdLine.handleFlag("setDefaultBrowser", false)) {
|
|
lazy.ShellService.setDefaultBrowser(true, true);
|
|
}
|
|
|
|
if (cmdLine.handleFlag("first-startup", false)) {
|
|
lazy.FirstStartup.init();
|
|
}
|
|
|
|
var fileParam = cmdLine.handleFlagWithParam("file", false);
|
|
if (fileParam) {
|
|
var file = cmdLine.resolveFile(fileParam);
|
|
var fileURI = Services.io.newFileURI(file);
|
|
openBrowserWindow(cmdLine, lazy.gSystemPrincipal, 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 +=
|
|
" --screenshot [<path>] Save screenshot to <path> or in working directory.\n";
|
|
info +=
|
|
" --window-size width[,height] Width and optionally height of screenshot.\n";
|
|
info +=
|
|
" --search <term> Search <term> with your default search engine.\n";
|
|
info += " --setDefaultBrowser Set this app as the default browser.\n";
|
|
info +=
|
|
" --first-startup Run post-install actions before opening a new window.\n";
|
|
info += " --kiosk Start the browser in kiosk mode.\n";
|
|
info +=
|
|
" --disable-pinch Disable touch-screen and touch-pad pinch gestures.\n";
|
|
return info;
|
|
},
|
|
|
|
/* nsIBrowserHandler */
|
|
|
|
get defaultArgs() {
|
|
return this.getArgs();
|
|
},
|
|
|
|
getArgs(isStartup = false) {
|
|
var prefb = Services.prefs;
|
|
|
|
if (!gFirstWindow) {
|
|
gFirstWindow = true;
|
|
if (lazy.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 = Services.prefs.getCharPref(
|
|
"browser.startup.homepage_override.mstone",
|
|
"unknown"
|
|
);
|
|
let old_buildId = Services.prefs.getCharPref(
|
|
"browser.startup.homepage_override.buildID",
|
|
"unknown"
|
|
);
|
|
override = needHomepageOverride(prefb);
|
|
if (override != OVERRIDE_NONE) {
|
|
switch (override) {
|
|
case OVERRIDE_NEW_PROFILE:
|
|
// New profile.
|
|
gFirstRunProfile = true;
|
|
if (lazy.NimbusFeatures.aboutwelcome.getVariable("showModal")) {
|
|
break;
|
|
}
|
|
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.
|
|
lazy.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.
|
|
willRestoreSession = lazy.SessionStartup.isAutomaticRestoreEnabled();
|
|
|
|
overridePage = Services.urlFormatter.formatURLPref(
|
|
"startup.homepage_override_url"
|
|
);
|
|
let update = lazy.UpdateManager.readyUpdate;
|
|
if (
|
|
update &&
|
|
Services.vc.compare(update.appVersion, old_mstone) > 0
|
|
) {
|
|
overridePage = getPostUpdateOverridePage(update, overridePage);
|
|
// Send the update ping to signal that the update was successful.
|
|
lazy.UpdatePing.handleUpdateSuccess(old_mstone, old_buildId);
|
|
}
|
|
|
|
overridePage = overridePage.replace("%OLD_VERSION%", old_mstone);
|
|
break;
|
|
case OVERRIDE_NEW_BUILD_ID:
|
|
if (lazy.UpdateManager.readyUpdate) {
|
|
// Send the update ping to signal that the update was successful.
|
|
lazy.UpdatePing.handleUpdateSuccess(old_mstone, old_buildId);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} catch (ex) {}
|
|
|
|
// formatURLPref might return "about:blank" if getting the pref fails
|
|
if (overridePage == "about:blank") {
|
|
overridePage = "";
|
|
}
|
|
|
|
// Allow showing a one-time startup override if we're not showing one
|
|
if (isStartup && overridePage == "" && prefb.prefHasUserValue(ONCE_PREF)) {
|
|
try {
|
|
// Show if we haven't passed the expiration or there's no expiration
|
|
const { expire, url } = JSON.parse(
|
|
Services.urlFormatter.formatURLPref(ONCE_PREF)
|
|
);
|
|
if (!(Date.now() > expire)) {
|
|
// Only set allowed urls as override pages
|
|
overridePage = url
|
|
.split("|")
|
|
.map(val => {
|
|
try {
|
|
return new URL(val);
|
|
} catch (ex) {
|
|
// Invalid URL, so filter out below
|
|
console.error(`Invalid once url: ${ex}`);
|
|
return null;
|
|
}
|
|
})
|
|
.filter(
|
|
parsed =>
|
|
parsed &&
|
|
parsed.protocol == "https:" &&
|
|
// Only accept exact hostname or subdomain; without port
|
|
ONCE_DOMAINS.includes(
|
|
Services.eTLD.getBaseDomainFromHost(parsed.host)
|
|
)
|
|
)
|
|
.join("|");
|
|
|
|
// Be noisy as properly configured urls should be unchanged
|
|
if (overridePage != url) {
|
|
console.error(`Mismatched once urls: ${url}`);
|
|
}
|
|
}
|
|
} catch (ex) {
|
|
// Invalid json pref, so ignore (and clear below)
|
|
console.error(`Invalid once pref: ${ex}`);
|
|
} finally {
|
|
prefb.clearUserPref(ONCE_PREF);
|
|
}
|
|
}
|
|
|
|
if (!additionalPage) {
|
|
additionalPage = lazy.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 = lazy.HomePage.get();
|
|
}
|
|
} catch (e) {
|
|
console.error(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";
|
|
},
|
|
|
|
mFeatures: null,
|
|
|
|
getFeatures: function bch_features(cmdLine) {
|
|
if (this.mFeatures === null) {
|
|
this.mFeatures = "";
|
|
|
|
if (cmdLine) {
|
|
try {
|
|
var width = cmdLine.handleFlagWithParam("width", false);
|
|
var height = cmdLine.handleFlagWithParam("height", false);
|
|
var left = cmdLine.handleFlagWithParam("left", false);
|
|
var top = cmdLine.handleFlagWithParam("top", false);
|
|
|
|
if (width) {
|
|
this.mFeatures += ",width=" + width;
|
|
}
|
|
if (height) {
|
|
this.mFeatures += ",height=" + height;
|
|
}
|
|
if (left) {
|
|
this.mFeatures += ",left=" + left;
|
|
}
|
|
if (top) {
|
|
this.mFeatures += ",top=" + top;
|
|
}
|
|
} catch (e) {}
|
|
}
|
|
|
|
// The global PB Service consumes this flag, so only eat it in per-window
|
|
// PB builds.
|
|
if (lazy.PrivateBrowsingUtils.isInTemporaryAutoStartMode) {
|
|
this.mFeatures += ",private";
|
|
}
|
|
|
|
if (
|
|
Services.prefs.getBoolPref("browser.suppress_first_window_animation") &&
|
|
!Services.wm.getMostRecentWindow("navigator:browser")
|
|
) {
|
|
this.mFeatures += ",suppressanimation";
|
|
}
|
|
}
|
|
|
|
return this.mFeatures;
|
|
},
|
|
|
|
get kiosk() {
|
|
return gKiosk;
|
|
},
|
|
|
|
get majorUpgrade() {
|
|
return gMajorUpgrade;
|
|
},
|
|
|
|
set majorUpgrade(val) {
|
|
gMajorUpgrade = val;
|
|
},
|
|
|
|
get firstRunProfile() {
|
|
return gFirstRunProfile;
|
|
},
|
|
|
|
set firstRunProfile(val) {
|
|
gFirstRunProfile = val;
|
|
},
|
|
|
|
/* nsIContentHandler */
|
|
|
|
handleContent: function bch_handleContent(contentType, context, request) {
|
|
const NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001;
|
|
|
|
try {
|
|
var webNavInfo = Cc["@mozilla.org/webnavigation-info;1"].getService(
|
|
Ci.nsIWebNavigationInfo
|
|
);
|
|
if (!webNavInfo.isTypeSupported(contentType)) {
|
|
throw NS_ERROR_WONT_HANDLE_CONTENT;
|
|
}
|
|
} catch (e) {
|
|
throw NS_ERROR_WONT_HANDLE_CONTENT;
|
|
}
|
|
|
|
request.QueryInterface(Ci.nsIChannel);
|
|
handURIToExistingBrowser(
|
|
request.URI,
|
|
Ci.nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW,
|
|
null,
|
|
false,
|
|
request.loadInfo.triggeringPrincipal
|
|
);
|
|
request.cancel(Cr.NS_BINDING_ABORTED);
|
|
},
|
|
|
|
/* nsICommandLineValidator */
|
|
validate: function bch_validate(cmdLine) {
|
|
var urlFlagIdx = cmdLine.findFlag("url", false);
|
|
if (
|
|
urlFlagIdx > -1 &&
|
|
cmdLine.state == Ci.nsICommandLine.STATE_REMOTE_EXPLICIT
|
|
) {
|
|
var urlParam = cmdLine.getArgument(urlFlagIdx + 1);
|
|
if (
|
|
cmdLine.length != urlFlagIdx + 2 ||
|
|
/firefoxurl(-[a-f0-9]+)?:/i.test(urlParam)
|
|
) {
|
|
throw Components.Exception("", Cr.NS_ERROR_ABORT);
|
|
}
|
|
var isDefault = false;
|
|
try {
|
|
var url =
|
|
Services.urlFormatter.formatURLPref("app.support.baseURL") +
|
|
"win10-default-browser";
|
|
if (urlParam == url) {
|
|
isDefault = lazy.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 Components.Exception("", Cr.NS_ERROR_ABORT);
|
|
}
|
|
}
|
|
},
|
|
};
|
|
var gBrowserContentHandler = new nsBrowserContentHandler();
|
|
|
|
function handURIToExistingBrowser(
|
|
uri,
|
|
location,
|
|
cmdLine,
|
|
forcePrivate,
|
|
triggeringPrincipal
|
|
) {
|
|
if (!shouldLoadURI(uri)) {
|
|
return;
|
|
}
|
|
|
|
let openInWindow = ({ browserDOMWindow }) => {
|
|
browserDOMWindow.openURI(
|
|
uri,
|
|
null,
|
|
location,
|
|
Ci.nsIBrowserDOMWindow.OPEN_EXTERNAL,
|
|
triggeringPrincipal
|
|
);
|
|
};
|
|
|
|
// Unless using a private window is forced, open external links in private
|
|
// windows only if we're in perma-private mode.
|
|
let allowPrivate =
|
|
forcePrivate || lazy.PrivateBrowsingUtils.permanentPrivateBrowsing;
|
|
let navWin = lazy.BrowserWindowTracker.getTopWindow({
|
|
private: allowPrivate,
|
|
});
|
|
|
|
if (navWin) {
|
|
openInWindow(navWin);
|
|
return;
|
|
}
|
|
|
|
let pending = lazy.BrowserWindowTracker.getPendingWindow({
|
|
private: allowPrivate,
|
|
});
|
|
if (pending) {
|
|
// Note that we cannot make this function async as some callers rely on
|
|
// catching exceptions it can throw in some cases and some of those callers
|
|
// cannot be made async.
|
|
pending.then(openInWindow);
|
|
return;
|
|
}
|
|
|
|
// if we couldn't load it in an existing window, open a new one
|
|
openBrowserWindow(cmdLine, triggeringPrincipal, uri.spec, null, forcePrivate);
|
|
}
|
|
|
|
/**
|
|
* If given URI is a file type or a protocol, record telemetry that
|
|
* Firefox was invoked or launched (if `isLaunch` is truth-y). If the
|
|
* file type or protocol is not registered by default, record it as
|
|
* ".<other extension>" or "<other protocol>".
|
|
*
|
|
* @param uri
|
|
* The URI Firefox was asked to handle.
|
|
* @param isLaunch
|
|
* truth-y if Firefox was launched/started rather than running and invoked.
|
|
*/
|
|
function maybeRecordToHandleTelemetry(uri, isLaunch) {
|
|
let scalar = isLaunch
|
|
? "os.environment.launched_to_handle"
|
|
: "os.environment.invoked_to_handle";
|
|
|
|
if (uri instanceof Ci.nsIFileURL) {
|
|
let extension = "." + uri.fileExtension.toLowerCase();
|
|
// Keep synchronized with https://searchfox.org/mozilla-central/source/browser/installer/windows/nsis/shared.nsh
|
|
// and https://searchfox.org/mozilla-central/source/browser/installer/windows/msix/AppxManifest.xml.in.
|
|
let registeredExtensions = new Set([
|
|
".avif",
|
|
".htm",
|
|
".html",
|
|
".pdf",
|
|
".shtml",
|
|
".xht",
|
|
".xhtml",
|
|
".svg",
|
|
".webp",
|
|
]);
|
|
if (registeredExtensions.has(extension)) {
|
|
Services.telemetry.keyedScalarAdd(scalar, extension, 1);
|
|
} else {
|
|
Services.telemetry.keyedScalarAdd(scalar, ".<other extension>", 1);
|
|
}
|
|
} else if (uri) {
|
|
let scheme = uri.scheme.toLowerCase();
|
|
let registeredSchemes = new Set(["about", "http", "https", "mailto"]);
|
|
if (registeredSchemes.has(scheme)) {
|
|
Services.telemetry.keyedScalarAdd(scalar, scheme, 1);
|
|
} else {
|
|
Services.telemetry.keyedScalarAdd(scalar, "<other protocol>", 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
export function nsDefaultCommandLineHandler() {}
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nsDefaultCommandLineHandler.prototype = {
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/* nsISupports */
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QueryInterface: ChromeUtils.generateQI(["nsICommandLineHandler"]),
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_haveProfile: false,
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/* nsICommandLineHandler */
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handle: function dch_handle(cmdLine) {
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var urilist = [];
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if (AppConstants.platform == "win") {
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// Windows itself does disk I/O when the notification service is
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// initialized, so make sure that is lazy.
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while (true) {
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let tag = cmdLine.handleFlagWithParam("notification-windowsTag", false);
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if (!tag) {
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break;
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}
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let alertService = lazy.gWindowsAlertsService;
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if (!alertService) {
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console.error("Windows alert service not available.");
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break;
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}
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async function handleNotification() {
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const {
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launchUrl,
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privilegedName,
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} = await alertService.handleWindowsTag(tag);
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// If `launchUrl` or `privilegedName` are provided, then the
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// notification was from a prior instance of the application and we
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// need to handled fallback behavior.
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if (launchUrl || privilegedName) {
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console.info(
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`Completing Windows notification (tag=${JSON.stringify(
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tag
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)}, launchUrl=${JSON.stringify(
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launchUrl
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)}, privilegedName=${JSON.stringify(privilegedName)}))`
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);
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}
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if (privilegedName) {
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Services.telemetry.setEventRecordingEnabled(
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"browser.launched_to_handle",
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true
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);
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Glean.browserLaunchedToHandle.systemNotification.record({
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name: privilegedName,
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});
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}
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if (launchUrl) {
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let uri = resolveURIInternal(cmdLine, launchUrl);
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if (cmdLine.state != Ci.nsICommandLine.STATE_INITIAL_LAUNCH) {
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// Try to find an existing window and load our URI into the current
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// tab, new tab, or new window as prefs determine.
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try {
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handURIToExistingBrowser(
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uri,
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Ci.nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW,
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cmdLine,
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false,
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lazy.gSystemPrincipal
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);
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return;
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} catch (e) {}
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}
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if (shouldLoadURI(uri)) {
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openBrowserWindow(cmdLine, lazy.gSystemPrincipal, [uri.spec]);
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}
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} else if (cmdLine.state == Ci.nsICommandLine.STATE_INITIAL_LAUNCH) {
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// No URL provided, but notification was interacted with while the
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// application was closed. Fall back to opening the browser without url.
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openBrowserWindow(cmdLine, lazy.gSystemPrincipal);
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}
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}
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// Notification handling occurs asynchronously to prevent blocking the
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// main thread. As a result we won't have the information we need to open
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// a new tab in the case of notification fallback handling before
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// returning. We call `enterLastWindowClosingSurvivalArea` to prevent
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// the browser from exiting in case early blank window is pref'd off.
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if (cmdLine.state == Ci.nsICommandLine.STATE_INITIAL_LAUNCH) {
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Services.startup.enterLastWindowClosingSurvivalArea();
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}
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handleNotification()
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.catch(e => {
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console.error(
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`Error handling Windows notification with tag '${tag}': ${e}`
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);
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})
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.finally(() => {
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if (cmdLine.state == Ci.nsICommandLine.STATE_INITIAL_LAUNCH) {
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Services.startup.exitLastWindowClosingSurvivalArea();
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}
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});
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return;
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}
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}
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if (
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cmdLine.state == Ci.nsICommandLine.STATE_INITIAL_LAUNCH &&
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Services.startup.wasSilentlyStarted
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) {
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// If we are starting up in silent mode, don't open a window. We also need
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// to make sure that the application doesn't immediately exit, so stay in
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// a LastWindowClosingSurvivalArea until a window opens.
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Services.startup.enterLastWindowClosingSurvivalArea();
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Services.obs.addObserver(function windowOpenObserver() {
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Services.startup.exitLastWindowClosingSurvivalArea();
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Services.obs.removeObserver(windowOpenObserver, "domwindowopened");
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}, "domwindowopened");
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return;
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}
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if (AppConstants.platform == "win") {
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// If we don't have a profile selected yet (e.g. the Profile Manager is
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// displayed) we will crash if we open an url and then select a profile. To
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// prevent this handle all url command line flags and set the command line's
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// preventDefault to true to prevent the display of the ui. The initial
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// command line will be retained when nsAppRunner calls LaunchChild though
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// urls launched after the initial launch will be lost.
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if (!this._haveProfile) {
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try {
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// This will throw when a profile has not been selected.
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Services.dirsvc.get("ProfD", Ci.nsIFile);
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this._haveProfile = true;
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} catch (e) {
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// eslint-disable-next-line no-empty
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while ((ar = cmdLine.handleFlagWithParam("url", false))) {}
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cmdLine.preventDefault = true;
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}
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}
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}
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// `-osint` and handling registered file types and protocols is Windows-only.
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let launchedWithArg_osint =
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AppConstants.platform == "win" && cmdLine.findFlag("osint", false) == 0;
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if (launchedWithArg_osint) {
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cmdLine.handleFlag("osint", false);
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}
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try {
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var ar;
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while ((ar = cmdLine.handleFlagWithParam("url", false))) {
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var uri = resolveURIInternal(cmdLine, ar);
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urilist.push(uri);
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if (launchedWithArg_osint) {
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launchedWithArg_osint = false;
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// We use the resolved URI here, even though it can produce
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// surprising results where-by `-osint -url test.pdf` resolves to
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// a query with search parameter "test.pdf". But that shouldn't
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// happen when Firefox is launched by Windows itself: files should
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// exist and be resolved to file URLs.
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const isLaunch =
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cmdLine && cmdLine.state == Ci.nsICommandLine.STATE_INITIAL_LAUNCH;
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maybeRecordToHandleTelemetry(uri, isLaunch);
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}
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}
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} catch (e) {
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console.error(e);
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}
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if (cmdLine.findFlag("screenshot", true) != -1) {
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lazy.HeadlessShell.handleCmdLineArgs(
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cmdLine,
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urilist.filter(shouldLoadURI).map(u => u.spec)
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);
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return;
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}
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for (let i = 0; i < cmdLine.length; ++i) {
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var curarg = cmdLine.getArgument(i);
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if (curarg.match(/^-/)) {
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console.error(
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"Warning: unrecognized command line flag " + curarg + "\n"
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);
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// To emulate the pre-nsICommandLine behavior, we ignore
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// the argument after an unrecognized flag.
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++i;
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} else {
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try {
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urilist.push(resolveURIInternal(cmdLine, curarg));
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} catch (e) {
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console.error(
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"Error opening URI '" +
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curarg +
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"' from the command line: " +
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e +
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"\n"
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);
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}
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}
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}
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if (urilist.length) {
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if (
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cmdLine.state != Ci.nsICommandLine.STATE_INITIAL_LAUNCH &&
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urilist.length == 1
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) {
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// Try to find an existing window and load our URI into the
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// current tab, new tab, or new window as prefs determine.
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try {
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handURIToExistingBrowser(
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urilist[0],
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Ci.nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW,
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cmdLine,
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false,
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lazy.gSystemPrincipal
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);
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return;
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} catch (e) {}
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}
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var URLlist = urilist.filter(shouldLoadURI).map(u => u.spec);
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if (URLlist.length) {
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openBrowserWindow(cmdLine, lazy.gSystemPrincipal, URLlist);
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}
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} else if (!cmdLine.preventDefault) {
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if (
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AppConstants.isPlatformAndVersionAtLeast("win", "10") &&
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cmdLine.state != Ci.nsICommandLine.STATE_INITIAL_LAUNCH &&
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lazy.WindowsUIUtils.inTabletMode
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) {
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// In windows 10 tablet mode, do not create a new window, but reuse the existing one.
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let win = lazy.BrowserWindowTracker.getTopWindow();
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if (win) {
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win.focus();
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return;
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}
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}
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openBrowserWindow(cmdLine, lazy.gSystemPrincipal);
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} else {
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// Need a better solution in the future to avoid opening the blank window
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// when command line parameters say we are not going to show a browser
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// window, but for now the blank window getting closed quickly (and
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// causing only a slight flicker) is better than leaving it open.
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let win = Services.wm.getMostRecentWindow("navigator:blank");
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if (win) {
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win.close();
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}
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}
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},
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helpInfo: "",
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};
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