Issue 154 - Added devtools panel showing blocked and blockable items

background.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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 35 matching lines @@
 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 parseFilters = require("filterValidation").parseFilters;
 var composeFilters = require("filterComposer").composeFilters;
 var updateIcon = require("icon").updateIcon;
 var initNotifications = require("notificationHelper").initNotifications;
 var showNextNotificationForUrl = require("notificationHelper").showNextNotificationForUrl;
+var devtools = require("devtools");
 
 var seenDataCorruption = false;
 var filterlistsReinitialized = false;
 
 function init()
 {
   var filtersLoaded = new Promise(function(resolve)
   {
     function onFilterAction(action)
     {
@@ skipping 212 matching lines @@
 
   return {filters: filters, exceptions: exceptions};
 }
 
 ext.onMessage.addListener(function (msg, sender, sendResponse)
 {
   switch (msg.type)
   {
     case "get-selectors":
       var selectors = [];
+      var trace = devtools && devtools.hasPanel(sender.page);
 
       if (!isFrameWhitelisted(sender.page, sender.frame,
                               RegExpFilter.typeMap.DOCUMENT | RegExpFilter.typeMap.ELEMHIDE))
       {
         var noStyleRules = false;
         var specificOnly = isFrameWhitelisted(sender.page, sender.frame,
                                               RegExpFilter.typeMap.GENERICHIDE);
         var host = extractHostFromFrame(sender.frame);
 
         for (var i = 0; i < noStyleRulesHosts.length; i++)
         {
           var noStyleHost = noStyleRulesHosts[i];
           if (host == noStyleHost || (host.length > noStyleHost.length &&
                                       host.substr(host.length - noStyleHost.length - 1) == "." + noStyleHost))
           {
             noStyleRules = true;
           }
         }
         selectors = ElemHide.getSelectorsForDomain(host, specificOnly);
         if (noStyleRules)
         {
           selectors = selectors.filter(function(s)
           {
             return !/\[style[\^\$]?=/.test(s);
           });
         }
       }
 
-      sendResponse(selectors);
+      sendResponse({selectors: selectors, trace: trace});
       break;
     case "should-collapse":
       if (isFrameWhitelisted(sender.page, sender.frame, RegExpFilter.typeMap.DOCUMENT))
       {
         sendResponse(false);
         break;
       }
 
       var typeMask = RegExpFilter.typeMap[msg.mediatype];
       var documentHost = extractHostFromFrame(sender.frame);
@@ skipping 59 matching lines @@
         src: msg.src,
         style: msg.style,
         classes: msg.classes,
         urls: msg.urls,
         type: msg.mediatype,
         baseURL: msg.baseURL,
         page: sender.page,
         frame: sender.frame
       }));
       break;
+    case "trace-elemhide":
+      devtools.logHiddenElements(sender.page, msg.selectors, extractHostFromFrame(sender.frame));

[kzar, 2016/01/31 13:33:50]

Nit: Mind fixing this long line?

[Sebastian Noack, 2016/02/02 10:39:51]

Done.

+      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);
   showNextNotificationForUrl(page.url);
 });