| /* |
| * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_REF_COUNTED_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_REF_COUNTED_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| |
| namespace WTF { |
| |
| template <typename T, typename Traits> |
| class RefCounted; |
| |
| template <typename T> |
| struct DefaultRefCountedTraits { |
| static void Destruct(const T* x) { |
| WTF::RefCounted<T, DefaultRefCountedTraits>::DeleteInternal(x); |
| } |
| }; |
| |
| template <typename T, typename Traits = DefaultRefCountedTraits<T>> |
| class RefCounted : public base::RefCounted<T, Traits> { |
| // Put |T| in here instead of |RefCounted| so the heap profiler reports |T| |
| // instead of |RefCounted<T>|. This does not affect overloading of operator |
| // new. |
| USING_FAST_MALLOC(T); |
| |
| public: |
| REQUIRE_ADOPTION_FOR_REFCOUNTED_TYPE(); |
| |
| private: |
| friend struct DefaultRefCountedTraits<T>; |
| |
| template <typename U> |
| static void DeleteInternal(const U* x) { |
| delete x; |
| } |
| }; |
| |
| // Allows subclasses to use the default copy constructor. |
| template <typename T> |
| class RefCountedCopyable : public RefCounted<T> { |
| protected: |
| RefCountedCopyable() = default; |
| RefCountedCopyable(const RefCountedCopyable&) : RefCounted<T>() {} |
| }; |
| |
| } // namespace WTF |
| |
| using WTF::RefCounted; |
| using WTF::RefCountedCopyable; |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_REF_COUNTED_H_ |