Reset browser actions on Safari while the tab is loading

safari/ext/background.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2013 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 255 matching lines @@
     {
       var property = toolbarItemProperties[name];
 
       if (property.tabs.has(tab))
         toolbarItem[name] = property.tabs.get(tab);
       else
         toolbarItem[name] = property.global;
     }
   });
 
+  ext.tabs.onLoading.addListener(function(tab)
+  {
+    var currentWindow = tab._tab.browserWindow;
+
+    var toolbarItem;
+    if (tab._tab == currentWindow.activeTab)
+      toolbarItem = getToolbarItemForWindow(currentWindow);
+    else
+      toolbarItem = null;
+
+    for (var name in toolbarItemProperties)
+    {
+      var property = toolbarItemProperties[name];
+      property.tabs.delete(tab);
+
+      if (toolbarItem)
+        toolbarItem[name] = property.global;
+    }
+  });
+
 
   /* Windows */
 
   Window = function(win)
   {
     this._win = win;
   }
   Window.prototype = {
     get visible()
     {
@@ skipping 399 matching lines @@
     for (var i = 0; i < contextMenuItems.length; i++)
     {
       if (contextMenuItems[i].id == event.command)
       {
         contextMenuItems[i].onclick(event.userInfo.srcUrl, new Tab(safari.application.activeBrowserWindow.activeTab));
         break;
       }
     }
   }, false);
 })();