1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
2 | // Use of this source code is governed by a BSD-style license that can be |
3 | // found in the LICENSE file. |
4 | |
5 | #ifndef FLUTTER_FML_MEMORY_REF_PTR_INTERNAL_H_ |
6 | #define FLUTTER_FML_MEMORY_REF_PTR_INTERNAL_H_ |
7 | |
8 | #include <utility> |
9 | |
10 | #include "flutter/fml/macros.h" |
11 | |
12 | namespace fml { |
13 | |
14 | template <typename T> |
15 | class RefPtr; |
16 | |
17 | template <typename T> |
18 | RefPtr<T> AdoptRef(T* ptr); |
19 | |
20 | namespace internal { |
21 | |
22 | // This is a wrapper class that can be friended for a particular |T|, if you |
23 | // want to make |T|'s constructor private, but still use |MakeRefCounted()| |
24 | // (below). (You can't friend partial specializations.) See |MakeRefCounted()| |
25 | // and |FML_FRIEND_MAKE_REF_COUNTED()|. |
26 | template <typename T> |
27 | class MakeRefCountedHelper final { |
28 | public: |
29 | template <typename... Args> |
30 | static RefPtr<T> MakeRefCounted(Args&&... args) { |
31 | return AdoptRef<T>(new T(std::forward<Args>(args)...)); |
32 | } |
33 | }; |
34 | |
35 | } // namespace internal |
36 | } // namespace fml |
37 | |
38 | #endif // FLUTTER_FML_MEMORY_REF_PTR_INTERNAL_H_ |
39 | |