зеркало из https://github.com/mozilla/pjs.git
56 строки
2.1 KiB
Plaintext
56 строки
2.1 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications, Inc. Portions created by Netscape are
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* Copyright (C) 1999, Mozilla. All Rights Reserved.
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*
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* Contributor(s):
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* Travis Bogard <travis@netscape.com>
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*/
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#include "nsISupports.idl"
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/**
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* The nsIInterfaceRequestor interface defines a generic interface for
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* requesting interfaces that a given object might provide access to.
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* This is very similar to QueryInterface found in nsISupports.
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* The main difference is that interfaces returned from GetInterface()
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* are not required to provide a way back to the object implementing this
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* interface. The semantics of QI() dictate that given an interface A that
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* you QI() on to get to interface B, you must be able to QI on B to get back
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* to A. This interface however allows you to obtain an interface C from A
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* that may or most likely will not have the ability to get back to A.
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*
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* @status FROZEN
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*/
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[scriptable, uuid(033A1470-8B2A-11d3-AF88-00A024FFC08C)]
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interface nsIInterfaceRequestor : nsISupports
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{
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/**
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* Retrieves the specified interface pointer.
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*
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* @param uuid The IID of the interface being requested.
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* @param result [out] The interface pointer to be filled in if
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* the interface is accessible.
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* @return NS_OK - interface was successfully returned.
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* NS_NOINTERFACE - interface not accessible.
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* NS_ERROR* - method failure.
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*/
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void getInterface(in nsIIDRef uuid,
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[iid_is(uuid),retval] out nsQIResult result);
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};
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