Issue 6307 - Introduce external engine created callback

libadblockplus-android-settings/src/org/adblockplus/libadblockplus/android/settings/AdblockHelper.java

 /*
  * 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 130 matching lines @@
                                            boolean developmentBuild, String preferenceName)
   {
     initProvider(context, basePath, developmentBuild);
     initStorage(context, preferenceName);
     return provider;
   }
 
   private void initProvider(Context context, String basePath, boolean developmentBuild)
   {
     provider = new SingleInstanceEngineProvider(context, basePath, developmentBuild);
-    provider.setEngineCreatedCallback(engineCreatedCallback);
-    provider.setEngineDisposedCallback(engineDisposedCallback);
+    provider.addEngineCreatedCallback(engineCreatedCallback);
+    provider.addEngineDisposedCallback(engineDisposedCallback);
   }
 
   private void initStorage(Context context, String settingsPreferenceName)
   {
     // read and apply current settings
     SharedPreferences settingsPrefs = context.getSharedPreferences(
       settingsPreferenceName,
       Context.MODE_PRIVATE);
 
     storage = new SharedPrefsStorage(settingsPrefs);
@@ skipping 37 matching lines @@
 
   /**
    * @deprecated The method is deprecated: use .getProvider().getCounter() instead
    */
   @Deprecated
   public int getCounter()
   {
     return provider.getCounter();
   }
 }