Index: core/fxcrt/include/cfx_weak_ptr.h |
diff --git a/core/fxcrt/include/cfx_weak_ptr.h b/core/fxcrt/include/cfx_weak_ptr.h |
deleted file mode 100644 |
index 64218cd679215bcf94d9a7baa4e35473fdba7d87..0000000000000000000000000000000000000000 |
--- a/core/fxcrt/include/cfx_weak_ptr.h |
+++ /dev/null |
@@ -1,80 +0,0 @@ |
-// Copyright 2016 PDFium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
- |
-#ifndef CORE_FXCRT_INCLUDE_CFX_WEAK_PTR_H_ |
-#define CORE_FXCRT_INCLUDE_CFX_WEAK_PTR_H_ |
- |
-#include <memory> |
- |
-#include "core/fxcrt/include/cfx_retain_ptr.h" |
-#include "core/fxcrt/include/fx_system.h" |
- |
-template <class T, class D = std::default_delete<T>> |
-class CFX_WeakPtr { |
- public: |
- CFX_WeakPtr() {} |
- CFX_WeakPtr(const CFX_WeakPtr& that) : m_pHandle(that.m_pHandle) {} |
- CFX_WeakPtr(CFX_WeakPtr&& that) { Swap(that); } |
- CFX_WeakPtr(std::unique_ptr<T, D> pObj) |
- : m_pHandle(new Handle(std::move(pObj))) {} |
- |
- explicit operator bool() const { return m_pHandle && !!m_pHandle->Get(); } |
- bool HasOneRef() const { return m_pHandle && m_pHandle->HasOneRef(); } |
- T* operator->() { return m_pHandle->Get(); } |
- const T* operator->() const { return m_pHandle->Get(); } |
- CFX_WeakPtr& operator=(const CFX_WeakPtr& that) { |
- m_pHandle = that.m_pHandle; |
- return *this; |
- } |
- bool operator==(const CFX_WeakPtr& that) const { |
- return m_pHandle == that.m_pHandle; |
- } |
- bool operator!=(const CFX_WeakPtr& that) const { return !(*this == that); } |
- |
- T* Get() const { return m_pHandle ? m_pHandle->Get() : nullptr; } |
- void Clear() { |
- if (m_pHandle) { |
- m_pHandle->Clear(); |
- m_pHandle.Reset(); |
- } |
- } |
- void Reset() { m_pHandle.Reset(); } |
- void Reset(std::unique_ptr<T, D> pObj) { |
- m_pHandle.Reset(new Handle(std::move(pObj))); |
- } |
- void Swap(CFX_WeakPtr& that) { m_pHandle.Swap(that.m_pHandle); } |
- |
- private: |
- class Handle { |
- public: |
- explicit Handle(std::unique_ptr<T, D> ptr) |
- : m_nCount(0), m_pObj(std::move(ptr)) {} |
- void Reset(std::unique_ptr<T, D> ptr) { m_pObj = std::move(ptr); } |
- void Clear() { // Now you're all weak ptrs ... |
- m_pObj.reset(); // unique_ptr nulls first before invoking delete. |
- } |
- T* Get() const { return m_pObj.get(); } |
- T* Retain() { |
- ++m_nCount; |
- return m_pObj.get(); |
- } |
- void Release() { |
- if (--m_nCount == 0) |
- delete this; |
- } |
- bool HasOneRef() const { return m_nCount == 1; } |
- |
- private: |
- ~Handle() {} |
- |
- intptr_t m_nCount; |
- std::unique_ptr<T, D> m_pObj; |
- }; |
- |
- CFX_RetainPtr<Handle> m_pHandle; |
-}; |
- |
-#endif // CORE_FXCRT_INCLUDE_CFX_WEAK_PTR_H_ |