The Tor Browser: browser/metro/components/BrowserCLH.js@b8a032363ba2 (annotated)

browser/metro/components/BrowserCLH.js@b8a032363ba2 (annotated)

browser/metro/components/BrowserCLH.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- Mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil; -*- */
 /* 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/. */
 const Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cu = Components.utils;
 const nsIBrowserSearchService = Components.interfaces.nsIBrowserSearchService;
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
 function openWindow(aParent, aURL, aTarget, aFeatures, aArgs) {
   let argString = null;
   if (aArgs && !(aArgs instanceof Ci.nsISupportsArray)) {
     argString = Cc["@mozilla.org/supports-string;1"].createInstance(Ci.nsISupportsString);
     argString.data = aArgs;
   }
   return Services.ww.openWindow(aParent, aURL, aTarget, aFeatures, argString || aArgs);
 }
 function resolveURIInternal(aCmdLine, aArgument) {
   let uri = aCmdLine.resolveURI(aArgument);
   if (!(uri instanceof Ci.nsIFileURL))
     return uri;
   try {
     if (uri.file.exists())
       return uri;
   } catch (e) {
     Cu.reportError(e);
   }
   try {
     let urifixup = Cc["@mozilla.org/docshell/urifixup;1"].getService(Ci.nsIURIFixup);
     uri = urifixup.createFixupURI(aArgument, 0);
   } catch (e) {
     Cu.reportError(e);
   }
   return uri;
 }
 /**
  * Determines whether a home page override is needed.
  * Returns:
  *  "new profile" if this is the first run with a new profile.
  *  "new version" if this is the first run with a build with a different
  *                      Gecko milestone (i.e. right after an upgrade).
  *  "none" otherwise.
  */
 function needHomepageOverride() {
   let savedmstone = null;
   try {
     savedmstone = Services.prefs.getCharPref("browser.startup.homepage_override.mstone");
   } catch (e) {}
   if (savedmstone == "ignore")
     return "none";
   let ourmstone = Services.appinfo.platformVersion;
   if (ourmstone != savedmstone) {
     Services.prefs.setCharPref("browser.startup.homepage_override.mstone", ourmstone);
     return (savedmstone ? "new version" : "new profile");
   }
   return "none";
 }
 function getHomePage() {
   let url = "about:newtab";
   try {
     url = Services.prefs.getComplexValue("browser.startup.homepage", Ci.nsIPrefLocalizedString).data;
   } catch (e) { }
   return url;
 }
 function showPanelWhenReady(aWindow, aPage) {
   aWindow.addEventListener("UIReadyDelayed", function(aEvent) {
     aWindow.PanelUI.show(aPage);
   }, false);
 }
 function haveSystemLocale() {
   let localeService = Cc["@mozilla.org/intl/nslocaleservice;1"].getService(Ci.nsILocaleService);
   let systemLocale = localeService.getSystemLocale().getCategory("NSILOCALE_CTYPE");
   return isLocaleAvailable(systemLocale);
 }
 function checkCurrentLocale() {
   if (Services.prefs.prefHasUserValue("general.useragent.locale")) {
     // if the user has a compatible locale from a different buildid, we need to update
     var buildID = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULAppInfo).platformBuildID;
     let localeBuildID = Services.prefs.getCharPref("extensions.compatability.locales.buildid");
     if (buildID != localeBuildID)
       return false;
     let currentLocale = Services.prefs.getCharPref("general.useragent.locale");
     return isLocaleAvailable(currentLocale);
   }
   return true;
 }
 function isLocaleAvailable(aLocale) {
   let chrome = Cc["@mozilla.org/chrome/chrome-registry;1"].getService(Ci.nsIXULChromeRegistry);
   chrome.QueryInterface(Ci.nsIToolkitChromeRegistry);
   let availableLocales = chrome.getLocalesForPackage("browser");
   let locale = aLocale.split("-")[0];
   let localeRegEx = new RegExp("^" + locale);
   while (availableLocales.hasMore()) {
     let locale = availableLocales.getNext();
     if (localeRegEx.test(locale))
       return true;
   }
   return false;
 }
 function BrowserCLH() { }
 BrowserCLH.prototype = {
   //
   // nsICommandLineHandler
   //
   handle: function fs_handle(aCmdLine) {
 #ifdef DEBUG
     for (var idx = 0; idx <  aCmdLine.length; idx++) {
       dump(aCmdLine.getArgument(idx) + "\n");
     }
 #endif
     // Instantiate the search service so the search engine cache is created now
     // instead when the application is running. The install process will register
     // this component by using the -silent command line flag, thereby creating
     // the cache during install, not runtime.
     // NOTE: This code assumes this CLH is run before the nsDefaultCLH, which
     // consumes the "-silent" flag.
     if (aCmdLine.findFlag("silent", false) > -1) {
       let searchService = Services.search;
       let autoComplete = Cc["@mozilla.org/autocomplete/search;1?name=history"].
                          getService(Ci.nsIAutoCompleteSearch);
       return;
     }
     // Handle chrome windows loaded via commandline
     let chromeParam = aCmdLine.handleFlagWithParam("chrome", false);
     if (chromeParam) {
       try {
         // Only load URIs which do not inherit chrome privs
         let features = "chrome,dialog=no,all";
         let uri = resolveURIInternal(aCmdLine, chromeParam);
         let netutil = Cc["@mozilla.org/network/util;1"].getService(Ci.nsINetUtil);
         if (!netutil.URIChainHasFlags(uri, Ci.nsIHttpProtocolHandler.URI_INHERITS_SECURITY_CONTEXT)) {
           openWindow(null, uri.spec, "_blank", features, null);
           // Stop the normal commandline processing from continuing
           aCmdLine.preventDefault = true;
         }
       } catch (e) {
         Cu.reportError(e);
       }
       return;
     }
     // Check and remove the alert flag here, but we'll handle it a bit later - see below
     let alertFlag = aCmdLine.handleFlagWithParam("alert", false);
     // Check and remove the webapp param
     let appFlag = aCmdLine.handleFlagWithParam("webapp", false);
     let appURI;
     if (appFlag)
       appURI = resolveURIInternal(aCmdLine, appFlag);
     // Keep an array of possible URL arguments
     let uris = [];
     // Check for the "url" flag
     let uriFlag = aCmdLine.handleFlagWithParam("url", false);
     if (uriFlag) {
       let uri = resolveURIInternal(aCmdLine, uriFlag);
       if (uri)
         uris.push(uri);
     }
     // Check for the "search" flag
     let searchParam = aCmdLine.handleFlagWithParam("search", false);
     if (searchParam) {
       var ss = Components.classes["@mozilla.org/browser/search-service;1"]
                          .getService(nsIBrowserSearchService);
       var submission = ss.defaultEngine.getSubmission(searchParam.replace("\"", "", "g"));
       uris.push(submission.uri);
     }
     for (let i = 0; i < aCmdLine.length; i++) {
       let arg = aCmdLine.getArgument(i);
       if (!arg || arg[0] == '-')
         continue;
       let uri = resolveURIInternal(aCmdLine, arg);
       if (uri)
         uris.push(uri);
     }
     // Open the main browser window, if we don't already have one
     let browserWin;
     try {
       let localeWin = Services.wm.getMostRecentWindow("navigator:localepicker");
       if (localeWin) {
         localeWin.focus();
         aCmdLine.preventDefault = true;
         return;
       }
       browserWin = Services.wm.getMostRecentWindow("navigator:browser");
       if (!browserWin) {
         // Default to the saved homepage
         let defaultURL = getHomePage();
         // Override the default if we have a URL passed on command line
         if (uris.length > 0) {
           defaultURL = uris[0].spec;
           uris = uris.slice(1);
         }
         // Show the locale selector if we have a new profile, or if the selected locale is no longer compatible
         let showLocalePicker = Services.prefs.getBoolPref("browser.firstrun.show.localepicker");
         if ((needHomepageOverride() == "new profile" && showLocalePicker && !haveSystemLocale())) { // || !checkCurrentLocale()) {
           browserWin = openWindow(null, "chrome://browser/content/localePicker.xul", "_blank", "chrome,dialog=no,all", defaultURL);
           aCmdLine.preventDefault = true;
           return;
         }
         browserWin = openWindow(null, "chrome://browser/content/browser.xul", "_blank", "chrome,dialog=no,all", defaultURL);
       }
       browserWin.focus();
       // Stop the normal commandline processing from continuing. We just opened the main browser window
       aCmdLine.preventDefault = true;
     } catch (e) {
       Cu.reportError(e);
     }
     // Assumption: All remaining command line arguments have been sent remotely (browser is already running)
     // Action: Open any URLs we find into an existing browser window
     // First, get a browserDOMWindow object
     while (!browserWin.browserDOMWindow)
       Services.tm.currentThread.processNextEvent(true);
     // Open any URIs into new tabs
     for (let i = 0; i < uris.length; i++)
       browserWin.browserDOMWindow.openURI(uris[i], null, Ci.nsIBrowserDOMWindow.OPEN_NEWTAB, Ci.nsIBrowserDOMWindow.OPEN_EXTERNAL);
     if (appURI)
       browserWin.browserDOMWindow.openURI(appURI, null, browserWin.OPEN_APPTAB, Ci.nsIBrowserDOMWindow.OPEN_NEW);
     // Handle the notification, if called from it
     if (alertFlag) {
       if (alertFlag == "update-app") {
         // Notification was already displayed and clicked, skip it next time
         Services.prefs.setBoolPref("app.update.skipNotification", true);
         var updateService = Cc["@mozilla.org/updates/update-service;1"].getService(Ci.nsIApplicationUpdateService);
         var updateTimerCallback = updateService.QueryInterface(Ci.nsITimerCallback);
         updateTimerCallback.notify(null);
       }
     }
   },
   // QI
   QueryInterface: XPCOMUtils.generateQI([Ci.nsICommandLineHandler]),
   // XPCOMUtils factory
   classID: Components.ID("{be623d20-d305-11de-8a39-0800200c9a66}"),
 };
 var components = [ BrowserCLH ];
 this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);