xpcom/components/nsIFactory.idl

   1 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "nsISupports.idl"
   7
   8 /**
   9  * A class factory allows the creation of nsISupports derived
  10  * components without specifying a concrete base class.
  11  */
  12
  13 [scriptable, object, uuid(1bb40a56-9223-41e6-97d4-da97bdeb6a4d)]
  14 interface nsIFactory :  nsISupports {
  15    /**
  16     * Creates an instance of a component.
  17     *
  18     * @param iid    The IID of the interface being requested in
  19     *               the component which is being currently created.
  20     * @param result [out] Pointer to the newly created instance, if successful.
  21     * @throws NS_NOINTERFACE - Interface not accessible.
  22     *         NS_ERROR* - Method failure.
  23     */
  24     void createInstance(in nsIIDRef iid,
  25                         [retval, iid_is(iid)] out nsQIResult result);
  26
  27 };