/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* The Initial Developer of the Original Code is Netscape
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* Copyright (C) 1999, Mozilla. All Rights Reserved.
* Travis Bogard <email@example.com>
* The nsIInterfaceRequestor interface defines a generic interface for
* requesting interfaces that a given object might provide access to.
* This is very similar to QueryInterface found in nsISupports.
* The main difference is that interfaces returned from GetInterface()
* are not required to provide a way back to the object implementing this
* interface. The semantics of QI() dictate that given an interface A that
* you QI() on to get to interface B, you must be able to QI on B to get back
* to A. This interface however allows you to obtain an interface C from A
* that may or most likely will not have the ability to get back to A.
* @status FROZEN
interface nsIInterfaceRequestor : nsISupports
* Retrieves the specified interface pointer.
* @param uuid The IID of the interface being requested.
* @param result [out] The interface pointer to be filled in if
* the interface is accessible.
* @return NS_OK - interface was successfully returned.
* NS_NOINTERFACE - interface not accessible.
* NS_ERROR* - method failure.
void getInterface(in nsIIDRef uuid,
[iid_is(uuid),retval] out nsQIResult result);