releases-comm-central/rdf/base/nsIRDFDelegateFactory.idl

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
An interface used for runtime pseudo-aggregation of RDF delegate
objects.
*/
#include "nsrootidl.idl"
#include "nsISupports.idl"
interface nsIRDFResource;
/**
* This interface should be implemented by an XPCOM factory that
* is registered to handle "@mozilla.org/rdf/delegate-factory/[key]/[scheme];1"
* ContractIDs.
*
* The factory will be invoked to create delegate objects from
* nsIRDFResource::GetDelegate().
*/
[scriptable, uuid(A1B89470-A124-11d3-BE59-0020A6361667)]
interface nsIRDFDelegateFactory : nsISupports
{
/**
* Create a delegate for the specified RDF resource.
*
* The created delegate should forward AddRef() and Release()
* calls to the aOuter object.
*/
void CreateDelegate(in nsIRDFResource aOuter,
in string aKey,
in nsIIDRef aIID,
[retval, iid_is(aIID)] out nsQIResult aResult);
};