зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.8 KiB
C++
79 строки
2.8 KiB
C++
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is IBM Corporation.
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* Portions created by IBM Corporation are Copyright (C) 2004
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* IBM Corporation. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@meer.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsInterfaceRequestorAgg.h"
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#include "nsCOMPtr.h"
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class nsInterfaceRequestorAgg : public nsIInterfaceRequestor
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIINTERFACEREQUESTOR
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nsInterfaceRequestorAgg(nsIInterfaceRequestor *aFirst,
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nsIInterfaceRequestor *aSecond)
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: mFirst(aFirst)
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, mSecond(aSecond) {}
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nsCOMPtr<nsIInterfaceRequestor> mFirst, mSecond;
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};
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// XXX This needs to support threadsafe refcounting until we fix bug 243591.
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NS_IMPL_THREADSAFE_ISUPPORTS1(nsInterfaceRequestorAgg, nsIInterfaceRequestor)
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NS_IMETHODIMP
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nsInterfaceRequestorAgg::GetInterface(const nsIID &aIID, void **aResult)
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{
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nsresult rv = NS_ERROR_NO_INTERFACE;
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if (mFirst)
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rv = mFirst->GetInterface(aIID, aResult);
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if (mSecond && NS_FAILED(rv))
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rv = mSecond->GetInterface(aIID, aResult);
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return rv;
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}
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nsresult
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NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst,
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nsIInterfaceRequestor *aSecond,
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nsIInterfaceRequestor **aResult)
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{
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*aResult = new nsInterfaceRequestorAgg(aFirst, aSecond);
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if (!aResult)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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