/* 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/. */

// make sure to include all the required file headers

#include "nsISupports.idl"

interface nsIObserver;

/**
 * nsIKeygenThread
 *  This is used to communicate with the thread generating a key pair,
 *  to be used by the dialog displaying status information.
 */
[scriptable, uuid(8712a243-5539-447c-9f47-8653f40c3a09)]
interface nsIKeygenThread : nsISupports
{
  /**
   * startKeyGeneration - run the thread
   *   A user interface using this interface needs to
   *   call this method as soon as the status information
   *   is displaying. This will trigger key generation.
   *   To allow the closure of the status information,
   *   the thread needs a handle to an observer.
   *
   *   observer will be called on the UI thread.
   *   When the key generation is done, the observe method will
   *   be called with a topic of "keygen-finished" and null data
   *   and subject.
   */
  void startKeyGeneration(in nsIObserver observer);

  /**
   * userCanceled - notify the thread
   *   If the user canceled, the thread is no longer allowed to
   *   close the dialog. However, if the thread already closed
   *   it, we are not allowed to close it.
   */
  void userCanceled(out boolean threadAlreadyClosedDialog);
};

%{ C++
// {195763b8-1dd2-11b2-a843-eb44e44aaa37}
#define NS_KEYGENTHREAD_CID \
{ 0x195763b8, 0x1dd2, 0x11b2, { 0xa8, 0x43, 0xeb, 0x44, 0xe4, 0x4a, 0xaa, 0x37 } }
#define NS_KEYGENTHREAD_CONTRACTID "@mozilla.org/security/keygenthread;1"
%}