gecko/xpcom/components/nsIModule.idl

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/* -*- Mode: C++; 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
* and other provisions required by the GPL or the LGPL. If you do not delete
* 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 ***** */
#include "nsISupports.idl"
interface nsIFile;
interface nsIComponentManager;
/**
* The nsIModule interface.
* @status FROZEN
*/
[scriptable, uuid(7392D032-5371-11d3-994E-00805FD26FEE)]
interface nsIModule : nsISupports
{
/**
* Object Instance Creation
*
* Obtains a Class Object from a nsIModule for a given CID and IID pair.
* This class object can either be query to a nsIFactory or a may be
* query to a nsIClassInfo.
*
* @param aCompMgr : The global component manager
* @param aClass : ClassID of object instance requested
* @param aIID : IID of interface requested
*
*/
void getClassObject(in nsIComponentManager aCompMgr,
in nsCIDRef aClass,
in nsIIDRef aIID,
[retval, iid_is(aIID)] out nsQIResult aResult);
/**
* One time registration callback
*
* When the nsIModule is discovered, this method will be
* called so that any setup registration can be preformed.
*
* @param aCompMgr : The global component manager
* @param aLocation : The location of the nsIModule on disk
* @param aLoaderStr: Opaque loader specific string
* @param aType : Loader Type being used to load this module
*/
void registerSelf(in nsIComponentManager aCompMgr,
in nsIFile aLocation,
in string aLoaderStr,
in string aType);
/**
* One time unregistration callback
*
* When the nsIModule is being unregistered, this method will be
* called so that any unregistration can be preformed
*
* @param aCompMgr : The global component manager
* @param aLocation : The location of the nsIModule on disk
* @param aLoaderStr : Opaque loader specific string
*
*/
void unregisterSelf(in nsIComponentManager aCompMgr,
in nsIFile aLocation,
in string aLoaderStr);
/**
* Module load management
*
* @param aCompMgr : The global component manager
*
* @return indicates to the caller if the module can be unloaded.
* Returning PR_TRUE isn't a guarantee that the module will be
* unloaded. It constitues only willingness of the module to be
* unloaded. It is very important to ensure that no outstanding
* references to the module's code/data exist before returning
* PR_TRUE.
* Returning PR_FALSE guaratees that the module won't be unloaded.
*/
boolean canUnload(in nsIComponentManager aCompMgr);
};