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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

/**
 * Observer for exception list updates.
 */
[scriptable, function, uuid(d8db1086-7b59-44d3-9f88-f31a7e642637)]
interface nsIPartitioningExceptionListObserver : nsISupports
{
  /**
   * Called by nsIPartitioningExceptionListService when the exception list
   * changes and when the observer is first registered.
   *
   * @param aList
   *        A semicolon-separated list of comma-separated url pairs.
   */
  void onExceptionListUpdate(in ACString aList);
};

/**
 * A service that monitors updates to the exception list of partitioning
 * from sources such as a local pref and remote settings updates.
 */
[scriptable, uuid(cf83a9af-dd3f-43a2-88bb-489a22bca124)]
interface nsIPartitioningExceptionListService : nsISupports
{
  /**
   * Register a new observer to exception list updates. When the observer is
   * registered it is called immediately once. Afterwards it will be called
   * whenever the specified pref changes or when remote settings for
   * partitioning updates.
   *
   * @param aObserver
   *        An nsIPartitioningExceptionListObserver object or function that
   *        will receive updates to the exception list as a comma-separated
   *        string. Will be called immediately with the current exception
   *        list value.
   */
  void registerAndRunExceptionListObserver(in nsIPartitioningExceptionListObserver aObserver);

  /**
   * Unregister an observer.
   *
   * @param aObserver
   *        The nsIPartitioningExceptionListObserver object to unregister.
   */
  void unregisterExceptionListObserver(in nsIPartitioningExceptionListObserver aObserver);
};