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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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
#ifndef nsXPTCUtils_h__
#define nsXPTCUtils_h__
#include "xptcall.h"
#include "mozilla/MemoryReporting.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);
}
}
size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
return mXPTCStub
? NS_SizeOfIncludingThisXPTCallStub(mXPTCStub, aMallocSizeOf)
: 0;
}
};
#endif // nsXPTCUtils_h__