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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef CORE_FXCRT_INCLUDE_CFX_WEAK_PTR_H_ | 7 #ifndef CORE_FXCRT_CFX_WEAK_PTR_H_ |
8 #define CORE_FXCRT_INCLUDE_CFX_WEAK_PTR_H_ | 8 #define CORE_FXCRT_CFX_WEAK_PTR_H_ |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
11 | 11 |
12 #include "core/fxcrt/include/cfx_retain_ptr.h" | 12 #include "core/fxcrt/cfx_retain_ptr.h" |
13 #include "core/fxcrt/include/fx_system.h" | 13 #include "core/fxcrt/fx_system.h" |
14 | 14 |
15 template <class T, class D = std::default_delete<T>> | 15 template <class T, class D = std::default_delete<T>> |
16 class CFX_WeakPtr { | 16 class CFX_WeakPtr { |
17 public: | 17 public: |
18 CFX_WeakPtr() {} | 18 CFX_WeakPtr() {} |
19 CFX_WeakPtr(const CFX_WeakPtr& that) : m_pHandle(that.m_pHandle) {} | 19 CFX_WeakPtr(const CFX_WeakPtr& that) : m_pHandle(that.m_pHandle) {} |
20 CFX_WeakPtr(CFX_WeakPtr&& that) { Swap(that); } | 20 CFX_WeakPtr(CFX_WeakPtr&& that) { Swap(that); } |
21 CFX_WeakPtr(std::unique_ptr<T, D> pObj) | 21 CFX_WeakPtr(std::unique_ptr<T, D> pObj) |
22 : m_pHandle(new Handle(std::move(pObj))) {} | 22 : m_pHandle(new Handle(std::move(pObj))) {} |
23 | 23 |
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70 private: | 70 private: |
71 ~Handle() {} | 71 ~Handle() {} |
72 | 72 |
73 intptr_t m_nCount; | 73 intptr_t m_nCount; |
74 std::unique_ptr<T, D> m_pObj; | 74 std::unique_ptr<T, D> m_pObj; |
75 }; | 75 }; |
76 | 76 |
77 CFX_RetainPtr<Handle> m_pHandle; | 77 CFX_RetainPtr<Handle> m_pHandle; |
78 }; | 78 }; |
79 | 79 |
80 #endif // CORE_FXCRT_INCLUDE_CFX_WEAK_PTR_H_ | 80 #endif // CORE_FXCRT_CFX_WEAK_PTR_H_ |
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