/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * 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
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
  
/**
 * The nsIComponentManager interface.
 */

#include "nsISupports.idl"

interface nsIFactory;

[scriptable, uuid(a88e5a60-205a-4bb1-94e1-2628daf51eae)]
interface nsIComponentManager : nsISupports
{    
    /**
     * getClassObject
     *
     * Returns the factory object that can be used to create instances of
     * CID aClass
     *
     * @param aClass The classid of the factory that is being requested
     */
    void getClassObject(in nsCIDRef aClass,
                        in nsIIDRef aIID,
                        [iid_is(aIID),retval] out nsQIResult result);

    /**
     * getClassObjectByContractID
     *
     * Returns the factory object that can be used to create instances of
     * CID aClass
     *
     * @param aClass The classid of the factory that is being requested
     */
    void getClassObjectByContractID(in string aContractID,
                                    in nsIIDRef aIID,
                                    [iid_is(aIID),retval] out nsQIResult result);


   /**
     * createInstance
     *
     * Create an instance of the CID aClass and return the interface aIID.
     *
     * @param aClass : ClassID of object instance requested
     * @param aDelegate : Used for aggregation
     * @param aIID : IID of interface requested
     */
    void createInstance(in nsCIDRef aClass, 
                        in nsISupports aDelegate,
                        in nsIIDRef aIID, 
                        [iid_is(aIID),retval] out nsQIResult result);

    /**
     * createInstanceByContractID
     *
     * Create an instance of the CID that implements aContractID and return the
     * interface aIID. 
     *
     * @param aContractID : aContractID of object instance requested
     * @param aDelegate : Used for aggregation
     * @param aIID : IID of interface requested
     */
    void createInstanceByContractID(in string aContractID,
                                    in nsISupports aDelegate,
                                    in nsIIDRef aIID, 
                                    [iid_is(aIID),retval] out nsQIResult result);
};


%{ C++
#ifdef MOZILLA_INTERNAL_API
#include "nsComponentManagerUtils.h"
#endif
%} C++
