Issue 154 - Added devtools panel showing blocked and blockable items

background.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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 28 matching lines @@
   this.stringifyURL = stringifyURL;
   this.isThirdParty = isThirdParty;
   this.extractHostFromFrame = extractHostFromFrame;
 }
 with(require("icon"))
 {
   this.updateIcon = updateIcon;
   this.startIconAnimation = startIconAnimation;
   this.stopIconAnimation = stopIconAnimation;
 }
+with(require("devtools"))
+{
+  this.hasDevToolsPanel = hasDevToolsPanel;
+  this.logHiddenElements = logHiddenElements;
+}
 var FilterStorage = require("filterStorage").FilterStorage;
 var ElemHide = require("elemHide").ElemHide;
 var defaultMatcher = require("matcher").defaultMatcher;
 var Prefs = require("prefs").Prefs;
 var Synchronizer = require("synchronizer").Synchronizer;
 var Utils = require("utils").Utils;
 var NotificationStorage = require("notification").Notification;
 var initAntiAdblockNotification = require("antiadblockInit").initAntiAdblockNotification;
 var parseFilters = require("filterValidation").parseFilters;
 var composeFilters = require("filterComposer").composeFilters;
@@ skipping 421 matching lines @@
         selectors = ElemHide.getSelectorsForDomain(host, false);
         if (noStyleRules)
         {
           selectors = selectors.filter(function(s)
           {
             return !/\[style[\^\$]?=/.test(s);
           });
         }
       }
 
-      sendResponse(selectors);
+      sendResponse({selectors: selectors, trace: hasDevToolsPanel(sender.page)});
       break;
     case "should-collapse":
       if (isFrameWhitelisted(sender.page, sender.frame, "DOCUMENT"))
       {
         sendResponse(false);
         break;
       }
 
       var url = new URL(msg.url);
       var documentHost = extractHostFromFrame(sender.frame);
@@ skipping 49 matching lines @@
       break;
     case "report-html-page":
       htmlPages.set(sender.page, null);
       refreshIconAndContextMenu(sender.page);
       break;
     case "compose-filters":
       sendResponse(composeFilters(
         msg.tagName, msg.id, msg.src, msg.style,
         msg.classes, msg.urls, new URL(msg.baseURL)
       ));
+    case "trace-elemhide":
+      logHiddenElements(sender.page, msg.selectors, extractHostFromFrame(sender.frame));
       break;
     case "forward":
       if (sender.page)
       {
         if (msg.expectsResponse)
         {
           sender.page.sendMessage(msg.payload, sendResponse);
           return true;
         }
 
         sender.page.sendMessage(msg.payload);
       }
       break;
   }
 });
 
 // update icon when page changes location
 ext.pages.onLoading.addListener(function(page)
 {
   page.sendMessage({type: "clickhide-deactivate"});
   refreshIconAndContextMenu(page);
 });
 
 setTimeout(function()
 {
   var notificationToShow = NotificationStorage.getNextToShow();
   if (notificationToShow)
     showNotification(notificationToShow);
 }, 3 * 60 * 1000);