Issue 1259 - Block while checking whether ABP is disabled on YouTube on Safari

safari/ext/background.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 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 597 matching lines @@
             event.message = ext.webRequest.onBeforeRequest._dispatch(
               event.message.url,
               event.message.type,
               page,
               page._frames[event.message.frameId]
             );
             break;
           case "proxy":
             event.message = backgroundPageProxy.handleMessage(event.message);
             break;
+          case "request":
+            var page = pages[event.message.pageId];
+            var sender = {page: page, frame: page._frames[event.message.frameId]};
+
+            var response = null;
+            var sendResponse = function(message) { response = message; };
+
+            ext.onMessage._dispatch(event.message.payload, sender, sendResponse);
+
+            event.message = response;
+            break;
         }
         break;
       case "request":
         var page = pages[event.message.pageId];
         var sender = {page: page, frame: page._frames[event.message.frameId]};
         page._messageProxy.handleRequest(event.message, sender);
         break;
       case "response":
         pages[event.message.pageId]._messageProxy.handleResponse(event.message);
         break;
       case "replaced":
         // when a prerendered page is shown, forget the previous page
         // associated with its tab, and reset the toolbar item if necessary.
         // Note that it wouldn't be sufficient to do that when the old
         // page is unloading, because Safari dispatches window.onunload
         // only when reloading the page or following links, but not when
         // the current page is replaced with a prerendered page.
         replacePage(pages[event.message.pageId]);
         break;
     }
   });
 
 
   /* Storage */
 
   ext.storage = safari.extension.settings;
 })();