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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
/* Smart pointer which leaks its owning refcounted object by default. */
#ifndef LeakRefPtr_h
#define LeakRefPtr_h
#include "mozilla/AlreadyAddRefed.h"
namespace mozilla {
/**
* Instance of this class behaves like a raw pointer which leaks the
* resource it's owning if not explicitly released.
*/
template<class T>
class LeakRefPtr
{
public:
explicit LeakRefPtr(already_AddRefed<T>&& aPtr)
: mRawPtr(aPtr.take()) { }
explicit operator bool() const { return !!mRawPtr; }
LeakRefPtr<T>& operator=(already_AddRefed<T>&& aPtr)
{
mRawPtr = aPtr.take();
return *this;
}
T* get() const { return mRawPtr; }
already_AddRefed<T> take()
{
T* rawPtr = mRawPtr;
mRawPtr = nullptr;
return already_AddRefed<T>(rawPtr);
}
void release() { NS_RELEASE(mRawPtr); }
private:
T* MOZ_OWNING_REF mRawPtr;
};
} // namespace mozilla
#endif // LeakRefPtr_h
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