Issue 5137 - [emscripten] Added basic filter storage implementation

compiled/FilterNotifier.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present 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 12 matching lines @@
 #include "String.h"
 
 class Filter;
 class Subscription;
 
 namespace FilterNotifier
 {
   enum class Topic
   {
     NONE,
+    FILTER_ADDED,
+    FILTER_REMOVED,
     FILTER_DISABLED,
     FILTER_HITCOUNT,
     FILTER_LASTHIT,
+    SUBSCRIPTION_ADDED,
+    SUBSCRIPTION_REMOVED,
+    SUBSCRIPTION_MOVED,
     SUBSCRIPTION_TITLE,
     SUBSCRIPTION_DISABLED,
     SUBSCRIPTION_FIXEDTITLE,
     SUBSCRIPTION_HOMEPAGE,
     SUBSCRIPTION_LASTCHECK,
     SUBSCRIPTION_LASTDOWNLOAD,
     SUBSCRIPTION_DOWNLOADSTATUS,
     SUBSCRIPTION_ERRORS,
   };
 
   inline void GenerateCustomBindings()
   {
     printf("var FilterNotifier = require('filterNotifier').FilterNotifier;\n");
     printf("var notifierTopics = new Map([\n");
+    printf("  [%i, 'filter.added'],\n", Topic::FILTER_ADDED);
+    printf("  [%i, 'filter.removed'],\n", Topic::FILTER_REMOVED);
     printf("  [%i, 'filter.disabled'],\n", Topic::FILTER_DISABLED);
     printf("  [%i, 'filter.hitCount'],\n", Topic::FILTER_HITCOUNT);
     printf("  [%i, 'filter.lastHit'],\n", Topic::FILTER_LASTHIT);
+    printf("  [%i, 'subscription.added'],\n", Topic::SUBSCRIPTION_ADDED);
+    printf("  [%i, 'subscription.removed'],\n", Topic::SUBSCRIPTION_REMOVED);
+    printf("  [%i, 'subscription.moved'],\n", Topic::SUBSCRIPTION_MOVED);
     printf("  [%i, 'subscription.title'],\n", Topic::SUBSCRIPTION_TITLE);
     printf("  [%i, 'subscription.disabled'],\n", Topic::SUBSCRIPTION_DISABLED);
     printf("  [%i, 'subscription.fixedTitle'],\n", Topic::SUBSCRIPTION_FIXEDTITLE);
     printf("  [%i, 'subscription.homepage'],\n", Topic::SUBSCRIPTION_HOMEPAGE);
     printf("  [%i, 'subscription.lastCheck'],\n", Topic::SUBSCRIPTION_LASTCHECK);
     printf("  [%i, 'subscription.lastDownload'],\n", Topic::SUBSCRIPTION_LASTDOWNLOAD);
     printf("  [%i, 'subscription.downloadStatus'],\n", Topic::SUBSCRIPTION_DOWNLOADSTATUS);
     printf("  [%i, 'subscription.errors'],\n", Topic::SUBSCRIPTION_ERRORS);
     printf("]);");
   }
 
-  inline void FilterChange(Topic topic, Filter* filter)
+  inline void FilterChange(Topic topic, Filter* filter,
+      Subscription* subscription = nullptr, unsigned int position = 0)
   {
-    JSNotifyFilterChange(topic, filter);
+    JSNotifyFilterChange(topic, filter, subscription, position);
   }
 
   inline void SubscriptionChange(Topic topic, Subscription* subscription)
   {
     JSNotifySubscriptionChange(topic, subscription);
   }
 }