/* -*- 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 * 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