/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Red Hat, Inc.
 * Portions created by the Initial Developer are Copyright (C) 2006
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Kai Engert <kengert@redhat.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
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 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

interface nsIX509Cert;
interface nsICertVerificationListener;

/**
 * Extending nsIX509Cert
 * 
 * TODO: nsIX509Cert3 should be derived from nsIX509Cert2
 *       (and nsIX509Cert2 derived from nsIX509Cert)
 */
[scriptable, uuid(402aee39-653c-403f-8be1-6d1824223bf9)]
interface nsIX509Cert3 : nsISupports {

  /**
   *  Async version of nsIX509Cert::getUsagesArray()
   *
   *  Will not block, will request results asynchronously,
   *  availability of results will be notified.
   */ 
  void requestUsagesArrayAsync(in nsICertVerificationListener cvl);
};

[scriptable, uuid(2fd0a785-9f2d-4327-8871-8c3e0783891d)]
interface nsICertVerificationResult : nsISupports {

  /**
   *  This interface reflects a container of
   *  verification results. Call will not block.
   *
   *  Obtain an array of human readable strings describing
   *  the certificate's certified usages.
   *
   *  Mirrors the results produced by 
   *  nsIX509Cert::getUsagesArray()
   *
   *  As of today, this function is a one-shot object,
   *  only the first call will succeed.
   *  This allows an optimization in the implementation, 
   *  ownership of result data will be transfered to caller.
   *
   *  @param cert The certificate that was verified.
   *  @param verified The certificate verification result, 
   *         see constants in nsIX509Cert.
   *  @param count The number of human readable usages returned.
   *  @param usages The array of human readable usages.
   */ 
  void getUsagesArrayResult(out PRUint32 verified,
                            out PRUint32 count, 
                            [array, size_is(count)] out wstring usages);
};


[scriptable, uuid(6684bce9-50db-48e1-81b7-98102bf81357)]
interface nsICertVerificationListener : nsISupports {

  /**
   *  Notify that results are ready, that have been requested
   *  using nsIX509Cert3::requestUsagesArrayAsync()
   */
  void notify(in nsIX509Cert3 verifiedCert,
              in nsICertVerificationResult result);
};