Issue 394 - hit statistics tool data collection (core)

lib/filterListener.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 14 matching lines @@
 Cu.import("resource://gre/modules/Services.jsm");
 
 let {FilterStorage} = require("filterStorage");
 let {FilterNotifier} = require("filterNotifier");
 let {ElemHide} = require("elemHide");
 let {CSSRules} = require("cssRules");
 let {defaultMatcher} = require("matcher");
 let {ActiveFilter, RegExpFilter, ElemHideBase, CSSPropertyFilter} =
     require("filterClasses");
 let {Prefs} = require("prefs");
+let FilterHits = null;
+try
+{
+  ({FilterHits} = require("filterHits"));
+}
+catch (e) {}
 
 /**
  * Value of the FilterListener.batchMode property.
  * @type Boolean
  */
 let batchMode = false;
 
 /**
  * Increases on filter changes, filters will be saved if it exceeds 1.
  * @type Integer
@@ skipping 45 matching lines @@
  * @class
  */
 let HistoryPurgeObserver =
 {
   observe: function(subject, topic, data)
   {
     if (topic == "browser:purge-session-history" && Prefs.clearStatsOnHistoryPurge)
     {
       FilterStorage.resetHitCounts();
       FilterListener.setDirty(0); // Force saving to disk
+      if (FilterHits)
+        FilterHits.resetFilterHits();
 
       Prefs.recentReports = [];
     }
   },
   QueryInterface: XPCOMUtils.generateQI([Ci.nsISupportsWeakReference, Ci.nsIObserver])
 };
 
 /**
  * Initializes filter listener on startup, registers the necessary hooks.
  */
@@ skipping 214 matching lines @@
   for (let subscription of FilterStorage.subscriptions)
     if (!subscription.disabled)
       subscription.filters.forEach(addFilter);
   flushElemHide();
 }
 
 function onSave()
 {
   isDirty = 0;
 }