69 строки
2.3 KiB
C++
69 строки
2.3 KiB
C++
/* ***** 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 XPCOM.
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*
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* The Initial Developer of the Original Code is
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* the Mozilla Foundation <http://www.mozilla.org/>.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Benjamin Smedberg <benjamin@smedbergs.us> - New code
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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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#ifndef nsXPTCUtils_h__
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#define nsXPTCUtils_h__
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#include "xptcall.h"
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/**
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* A helper class that initializes an xptcall helper at construction
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* and releases it at destruction.
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*/
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class nsAutoXPTCStub : protected nsIXPTCProxy
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{
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public:
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nsISomeInterface* mXPTCStub;
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protected:
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nsAutoXPTCStub() : mXPTCStub(nsnull) { }
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nsresult
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InitStub(const nsIID& aIID)
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{
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return NS_GetXPTCallStub(aIID, this, &mXPTCStub);
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}
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~nsAutoXPTCStub()
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{
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if (mXPTCStub)
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NS_DestroyXPTCallStub(mXPTCStub);
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}
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};
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#endif // nsXPTCUtils_h__
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