/* -*- mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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"

[scriptable, uuid(c29b2fd3-64d0-4083-a096-c20a9b847a99)]

/**
 * This interface provide functions which help extension developers
 * add their customized schema to the exposed protocls of nsMsgContentPolicy.
 * By default, a list of existing protocols (such as imap and nntp)
 * are allowed to process urls locally, while non-matching urls are required
 * to be processed as external.
 * This interface allows additional protocols to be added to
 * the list of protocols that are processed locally.
 * Typically this would be used in cases where a new messaging protocol
 * is being added by an extension.
 */
interface nsIMsgContentPolicy : nsISupports {
  /**
   * Add the specific aScheme to nsMsgContentPolicy's exposed protocols.
   *
   * @param aScheme scheme who will be added to nsMsgContentPolicy's exposed protocols
   */
  void addExposedProtocol(in ACString aScheme);

  /**
   * Remove the specific aScheme from nsMsgContentPolicy's exposed protocols.
   *
   * @param aScheme scheme who will be removed from nsMsgContentPolicy's exposed protocols
   */
  void removeExposedProtocol(in ACString aScheme);
};