Issue 3870 - Rewrite legacy options page to use async messages

background.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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 10 matching lines @@
   this.WhitelistFilter = WhitelistFilter;
 }
 var FilterStorage = require("filterStorage").FilterStorage;
 var SpecialSubscription = require("subscriptionClasses").SpecialSubscription;
 var ElemHide = require("elemHide").ElemHide;
 var checkWhitelisted = require("whitelisting").checkWhitelisted;
 var extractHostFromFrame = require("url").extractHostFromFrame;
 var port = require("messaging").port;
 var devtools = require("devtools");
 
-// This is a hack to speedup loading of the options page on Safari.
-// Once we replaced the background page proxy with message passing
-// this global function should removed.
-function getUserFilters()
-{
-  var filters = [];
-  var exceptions = [];
-
-  for (var i = 0; i < FilterStorage.subscriptions.length; i++)
-  {
-    var subscription = FilterStorage.subscriptions[i];
-    if (!(subscription instanceof SpecialSubscription))
-      continue;
-
-    for (var j = 0; j < subscription.filters.length; j++)
-    {
-      var filter = subscription.filters[j];
-      if (filter instanceof WhitelistFilter &&  /^@@\|\|([^\/:]+)\^\$document$/.test(filter.text))
-        exceptions.push(RegExp.$1);
-      else
-        filters.push(filter.text);
-    }
-  }
-
-  return {filters: filters, exceptions: exceptions};
-}
-
 port.on("get-selectors", function(msg, sender)
 {
   var selectors;
   var trace = devtools && devtools.hasPanel(sender.page);
 
   if (!checkWhitelisted(sender.page, sender.frame,
                         RegExpFilter.typeMap.DOCUMENT |
                         RegExpFilter.typeMap.ELEMHIDE))
     selectors = ElemHide.getSelectorsForDomain(
       extractHostFromFrame(sender.frame),
@@ skipping 15 matching lines @@
     targetPage = sender.page;
 
   if (targetPage)
   {
     msg.payload.sender = sender.page.id;
     if (msg.expectsResponse)
       return new Promise(targetPage.sendMessage.bind(targetPage, msg.payload));
     targetPage.sendMessage(msg.payload);
   }
 });