1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/glue/nsXPTCUtils.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,35 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef nsXPTCUtils_h__
1.9 +#define nsXPTCUtils_h__
1.10 +
1.11 +#include "xptcall.h"
1.12 +
1.13 +/**
1.14 + * A helper class that initializes an xptcall helper at construction
1.15 + * and releases it at destruction.
1.16 + */
1.17 +class nsAutoXPTCStub : protected nsIXPTCProxy
1.18 +{
1.19 +public:
1.20 + nsISomeInterface* mXPTCStub;
1.21 +
1.22 +protected:
1.23 + nsAutoXPTCStub() : mXPTCStub(nullptr) { }
1.24 +
1.25 + nsresult
1.26 + InitStub(const nsIID& aIID)
1.27 + {
1.28 + return NS_GetXPTCallStub(aIID, this, &mXPTCStub);
1.29 + }
1.30 +
1.31 + ~nsAutoXPTCStub()
1.32 + {
1.33 + if (mXPTCStub)
1.34 + NS_DestroyXPTCallStub(mXPTCStub);
1.35 + }
1.36 +};
1.37 +
1.38 +#endif // nsXPTCUtils_h__
