Issue 5278 - Improved date formatting approach, in particular fixing broken formatting in 32-bit Li…

lib/utils.js

Index: lib/utils.js
===================================================================
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -247,21 +247,17 @@ let Utils = exports.Utils =
    * Formats a unix time according to user's locale.
    * @param {Integer} time  unix time in milliseconds
    * @return {String} formatted date and time
    */
   formatTime: function(time)
   {
     try
     {
-      let date = new Date(time);
-      return Utils.dateFormatter.FormatDateTime("", Ci.nsIScriptableDateFormat.dateFormatShort,
-                                                Ci.nsIScriptableDateFormat.timeFormatNoSeconds,
-                                                date.getFullYear(), date.getMonth() + 1, date.getDate(),
-                                                date.getHours(), date.getMinutes(), date.getSeconds());
+      return Utils.dateFormatter.format(time);
     }
     catch(e)
     {
       // Make sure to return even on errors
       Cu.reportError(e);
       return "";
     }
   },
@@ -555,20 +551,29 @@ XPCOMUtils.defineLazyServiceGetter(Utils
 XPCOMUtils.defineLazyServiceGetter(Utils, "netUtils", "@mozilla.org/network/util;1", "nsINetUtil");
 XPCOMUtils.defineLazyServiceGetter(Utils, "styleService", "@mozilla.org/content/style-sheet-service;1", "nsIStyleSheetService");
 XPCOMUtils.defineLazyServiceGetter(Utils, "prefService", "@mozilla.org/preferences-service;1", "nsIPrefService");
 XPCOMUtils.defineLazyServiceGetter(Utils, "versionComparator", "@mozilla.org/xpcom/version-comparator;1", "nsIVersionComparator");
 XPCOMUtils.defineLazyServiceGetter(Utils, "windowMediator", "@mozilla.org/appshell/window-mediator;1", "nsIWindowMediator");
 XPCOMUtils.defineLazyServiceGetter(Utils, "windowWatcher", "@mozilla.org/embedcomp/window-watcher;1", "nsIWindowWatcher");
 XPCOMUtils.defineLazyServiceGetter(Utils, "chromeRegistry", "@mozilla.org/chrome/chrome-registry;1", "nsIXULChromeRegistry");
 XPCOMUtils.defineLazyServiceGetter(Utils, "systemPrincipal", "@mozilla.org/systemprincipal;1", "nsIPrincipal");
-XPCOMUtils.defineLazyServiceGetter(Utils, "dateFormatter", "@mozilla.org/intl/scriptabledateformat;1", "nsIScriptableDateFormat");
 XPCOMUtils.defineLazyServiceGetter(Utils, "httpProtocol", "@mozilla.org/network/protocol;1?name=http", "nsIHttpProtocolHandler");
 XPCOMUtils.defineLazyServiceGetter(Utils, "clipboard", "@mozilla.org/widget/clipboard;1", "nsIClipboard");
 XPCOMUtils.defineLazyServiceGetter(Utils, "clipboardHelper", "@mozilla.org/widget/clipboardhelper;1", "nsIClipboardHelper");
+XPCOMUtils.defineLazyGetter(Utils, "dateFormatter", function()
+{
+  return new Intl.DateTimeFormat(undefined, {
+    year: "numeric",
+    month: "numeric",
+    day: "numeric",
+    hour: "numeric",
+    minute: "numeric"
+  });
+});
 XPCOMUtils.defineLazyGetter(Utils, "crypto", function()
 {
   try
   {
     let ctypes = Cu.import("resource://gre/modules/ctypes.jsm", null).ctypes;
 
     let nsslib;
     try