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39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_FML_MEMORY_REF_PTR_INTERNAL_H_
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#define FLUTTER_FML_MEMORY_REF_PTR_INTERNAL_H_
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#include <utility>
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#include "flutter/fml/macros.h"
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namespace fml {
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template <typename T>
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class RefPtr;
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template <typename T>
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RefPtr<T> AdoptRef(T* ptr);
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namespace internal {
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// This is a wrapper class that can be friended for a particular |T|, if you
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// want to make |T|'s constructor private, but still use |MakeRefCounted()|
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// (below). (You can't friend partial specializations.) See |MakeRefCounted()|
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// and |FML_FRIEND_MAKE_REF_COUNTED()|.
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template <typename T>
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class MakeRefCountedHelper final {
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public:
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template <typename... Args>
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static RefPtr<T> MakeRefCounted(Args&&... args) {
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return AdoptRef<T>(new T(std::forward<Args>(args)...));
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}
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};
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} // namespace internal
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} // namespace fml
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#endif // FLUTTER_FML_MEMORY_REF_PTR_INTERNAL_H_
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