/* 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"

interface nsIStreamListener;

/**
 * Implemented by content side of IPC protocols.
 */

[scriptable, uuid(c45b92ae-4f07-41dd-b0ef-aa044eeabb1e)]
interface nsIChildChannel : nsISupports
{
  /**
   * Create the chrome side of the IPC protocol and join an existing 'real'
   * channel on the parent process.  The id is provided by
   * nsIRedirectChannelRegistrar on the chrome process and pushed to the child
   * protocol as an argument to event starting a redirect.
   *
   * Primarilly used in HttpChannelChild::Redirect1Begin on a newly created
   * child channel, where the new channel is intended to be created on the
   * child process.
   */
  void connectParent(in uint32_t registrarId);

  /**
   * As AsyncOpen is called on the chrome process for redirect target channels,
   * we have to inform the child side of the protocol of that fact by a special
   * method.
   */
  void completeRedirectSetup(in nsIStreamListener aListener,
                             in nsISupports aContext);
};
