Issue 3823 - Split up message responder code

lib/devtools.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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
 let {RegExpFilter, WhitelistFilter, ElemHideFilter} = require("filterClasses");
 let {SpecialSubscription} = require("subscriptionClasses");
 let {FilterStorage} = require("filterStorage");
 let {defaultMatcher} = require("matcher");
 let {FilterNotifier} = require("filterNotifier");
+let {extractHostFromFrame} = require("url");
+let {port} = require("messaging");
 
 const nonRequestTypes = ["DOCUMENT", "ELEMHIDE", "GENERICBLOCK", "GENERICHIDE"];
 
 // Mapping of inspected tabs to their devpanel page
 // and recorded items. We can't use a PageMap here,
 // because data must persist after navigation/reload.
 let panels = Object.create(null);
 
 function hasPanels()
 {
@@ skipping 113 matching lines @@
   }
 };
 
 /**
  * Logs active element hiding filters to the devtools panel.
  *
  * @param {Page}     page       The page the elements were hidden on
  * @param {string[]} selectors  The CSS selectors of active elemhide filters
  * @param {string}   docDomain  The IDN-decoded hostname of the document
  */
-exports.logHiddenElements = function(page, selectors, docDomain)
+function logHiddenElements(page, selectors, docDomain)
 {
   let panel = getActivePanel(page);
   {
     for (let subscription of FilterStorage.subscriptions)
     {
       if (subscription.disabled)
         continue;
 
       for (let filter of subscription.filters)
       {
@@ skipping 204 matching lines @@
 
     if (!hasPanels())
     {
       FilterNotifier.removeListener(onFilterChange);
       ext.pages.onLoading.removeListener(onLoading);
     }
   });
 
   panels[inspectedTabId] = {port: port, records: []};
 });
+
+port.on("devtools.traceElemHide", (message, sender) =>
+{
+  logHiddenElements(
+    message.page, message.selectors,
+    extractHostFromFrame(sender.frame)
+  );
+});