michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0: 
michael@0:   An interface used for runtime pseudo-aggregation of RDF delegate
michael@0:   objects.
michael@0: 
michael@0: */
michael@0: 
michael@0: #include "nsrootidl.idl"
michael@0: #include "nsISupports.idl"
michael@0: interface nsIRDFResource;
michael@0: 
michael@0: /**
michael@0:  * This interface should be implemented by an XPCOM factory that
michael@0:  * is registered to handle "@mozilla.org/rdf/delegate-factory/[key]/[scheme];1"
michael@0:  * ContractIDs.
michael@0:  *
michael@0:  * The factory will be invoked to create delegate objects from
michael@0:  * nsIRDFResource::GetDelegate().
michael@0:  */
michael@0: [scriptable, uuid(A1B89470-A124-11d3-BE59-0020A6361667)]
michael@0: interface nsIRDFDelegateFactory : nsISupports
michael@0: {
michael@0:     /**
michael@0:      * Create a delegate for the specified RDF resource.
michael@0:      *
michael@0:      * The created delegate should forward AddRef() and Release()
michael@0:      * calls to the aOuter object.
michael@0:      */
michael@0:     void CreateDelegate(in nsIRDFResource aOuter,
michael@0:                         in string aKey,
michael@0:                         in nsIIDRef aIID,
michael@0:                         [retval, iid_is(aIID)] out nsQIResult aResult);
michael@0: };
michael@0: 
michael@0: