gecko-dev/xpcom/glue/nsXPTCUtils.h

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2012-05-21 11:12:37 +00:00
/* 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/. */
#ifndef nsXPTCUtils_h__
#define nsXPTCUtils_h__
#include "xptcall.h"
/**
* A helper class that initializes an xptcall helper at construction
* and releases it at destruction.
*/
class nsAutoXPTCStub : protected nsIXPTCProxy
{
public:
nsISomeInterface* mXPTCStub;
protected:
nsAutoXPTCStub() : mXPTCStub(nullptr) { }
nsresult
InitStub(const nsIID& aIID)
{
return NS_GetXPTCallStub(aIID, this, &mXPTCStub);
}
~nsAutoXPTCStub()
{
if (mXPTCStub)
NS_DestroyXPTCallStub(mXPTCStub);
}
};
#endif // nsXPTCUtils_h__