Bug 824345 - Hide old Download Manager preferences when the Downloads Panel is enabled.

r=mak

browser/components/preferences/in-content/main.js

@@ -2,6 +2,9 @@
  * 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/. */
 
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
+                                  "resource:///modules/DownloadsCommon.jsm");
+
 var gMainPane = {
   _pane: null,
 
@@ -18,12 +21,25 @@ var gMainPane = {
 
     this.updateBrowserStartupLastSession();
 
+    this.setupDownloadsWindowOptions();
+
     // Notify observers that the UI is now ready
     Components.classes["@mozilla.org/observer-service;1"]
               .getService(Components.interfaces.nsIObserverService)
               .notifyObservers(window, "main-pane-loaded", null);
   },
 
+  setupDownloadsWindowOptions: function ()
+  {
+    let showWhenDownloading = document.getElementById("showWhenDownloading");
+    let closeWhenDone = document.getElementById("closeWhenDone");
+
+    // These radio buttons should be hidden when the Downloads Panel is enabled.
+    let shouldHide = !DownloadsCommon.useToolkitUI;
+    showWhenDownloading.hidden = shouldHide;
+    closeWhenDone.hidden = shouldHide;
+  },
+
   // HOME PAGE
 
   /*

browser/components/preferences/main.js

@@ -23,12 +23,25 @@ var gMainPane = {
 
     this.updateBrowserStartupLastSession();
 
+    this.setupDownloadsWindowOptions();
+
     // Notify observers that the UI is now ready
     Components.classes["@mozilla.org/observer-service;1"]
               .getService(Components.interfaces.nsIObserverService)
               .notifyObservers(window, "main-pane-loaded", null);
   },
 
+  setupDownloadsWindowOptions: function ()
+  {
+    let showWhenDownloading = document.getElementById("showWhenDownloading");
+    let closeWhenDone = document.getElementById("closeWhenDone");
+
+    // These radio buttons should be hidden when the Downloads Panel is enabled.
+    let shouldHide = !DownloadsCommon.useToolkitUI;
+    showWhenDownloading.hidden = shouldHide;
+    closeWhenDone.hidden = shouldHide;
+  },
+
   // HOME PAGE
 
   /*