| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2011 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2011 The WebRTC Project Authors. All rights reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| (...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 56 // scoped_refptr<MyFoo> b; | 56 // scoped_refptr<MyFoo> b; |
| 57 // | 57 // |
| 58 // b = a; | 58 // b = a; |
| 59 // // now, |a| and |b| each own a reference to the same MyFoo object. | 59 // // now, |a| and |b| each own a reference to the same MyFoo object. |
| 60 // } | 60 // } |
| 61 // | 61 // |
| 62 | 62 |
| 63 #ifndef WEBRTC_BASE_SCOPED_REF_PTR_H_ | 63 #ifndef WEBRTC_BASE_SCOPED_REF_PTR_H_ |
| 64 #define WEBRTC_BASE_SCOPED_REF_PTR_H_ | 64 #define WEBRTC_BASE_SCOPED_REF_PTR_H_ |
| 65 | 65 |
| 66 #include <memory> | |
| 67 | 66 |
| 68 namespace rtc { | 67 // This header is deprecated and is just left here temporarily during |
| 69 | 68 // refactoring. See https://bugs.webrtc.org/7634 for more details. |
| 70 template <class T> | 69 #include "webrtc/rtc_base/scoped_ref_ptr.h" |
| 71 class scoped_refptr { | |
| 72 public: | |
| 73 scoped_refptr() : ptr_(nullptr) {} | |
| 74 | |
| 75 scoped_refptr(T* p) : ptr_(p) { | |
| 76 if (ptr_) | |
| 77 ptr_->AddRef(); | |
| 78 } | |
| 79 | |
| 80 scoped_refptr(const scoped_refptr<T>& r) : ptr_(r.ptr_) { | |
| 81 if (ptr_) | |
| 82 ptr_->AddRef(); | |
| 83 } | |
| 84 | |
| 85 template <typename U> | |
| 86 scoped_refptr(const scoped_refptr<U>& r) : ptr_(r.get()) { | |
| 87 if (ptr_) | |
| 88 ptr_->AddRef(); | |
| 89 } | |
| 90 | |
| 91 // Move constructors. | |
| 92 scoped_refptr(scoped_refptr<T>&& r) : ptr_(r.release()) {} | |
| 93 | |
| 94 template <typename U> | |
| 95 scoped_refptr(scoped_refptr<U>&& r) : ptr_(r.release()) {} | |
| 96 | |
| 97 ~scoped_refptr() { | |
| 98 if (ptr_) | |
| 99 ptr_->Release(); | |
| 100 } | |
| 101 | |
| 102 T* get() const { return ptr_; } | |
| 103 operator T*() const { return ptr_; } | |
| 104 T* operator->() const { return ptr_; } | |
| 105 | |
| 106 // Release a pointer. | |
| 107 // The return value is the current pointer held by this object. | |
| 108 // If this object holds a null pointer, the return value is null. | |
| 109 // After this operation, this object will hold a null pointer, | |
| 110 // and will not own the object any more. | |
| 111 T* release() { | |
| 112 T* retVal = ptr_; | |
| 113 ptr_ = nullptr; | |
| 114 return retVal; | |
| 115 } | |
| 116 | |
| 117 scoped_refptr<T>& operator=(T* p) { | |
| 118 // AddRef first so that self assignment should work | |
| 119 if (p) | |
| 120 p->AddRef(); | |
| 121 if (ptr_ ) | |
| 122 ptr_ ->Release(); | |
| 123 ptr_ = p; | |
| 124 return *this; | |
| 125 } | |
| 126 | |
| 127 scoped_refptr<T>& operator=(const scoped_refptr<T>& r) { | |
| 128 return *this = r.ptr_; | |
| 129 } | |
| 130 | |
| 131 template <typename U> | |
| 132 scoped_refptr<T>& operator=(const scoped_refptr<U>& r) { | |
| 133 return *this = r.get(); | |
| 134 } | |
| 135 | |
| 136 scoped_refptr<T>& operator=(scoped_refptr<T>&& r) { | |
| 137 scoped_refptr<T>(std::move(r)).swap(*this); | |
| 138 return *this; | |
| 139 } | |
| 140 | |
| 141 template <typename U> | |
| 142 scoped_refptr<T>& operator=(scoped_refptr<U>&& r) { | |
| 143 scoped_refptr<T>(std::move(r)).swap(*this); | |
| 144 return *this; | |
| 145 } | |
| 146 | |
| 147 void swap(T** pp) { | |
| 148 T* p = ptr_; | |
| 149 ptr_ = *pp; | |
| 150 *pp = p; | |
| 151 } | |
| 152 | |
| 153 void swap(scoped_refptr<T>& r) { | |
| 154 swap(&r.ptr_); | |
| 155 } | |
| 156 | |
| 157 protected: | |
| 158 T* ptr_; | |
| 159 }; | |
| 160 | |
| 161 } // namespace rtc | |
| 162 | 70 |
| 163 #endif // WEBRTC_BASE_SCOPED_REF_PTR_H_ | 71 #endif // WEBRTC_BASE_SCOPED_REF_PTR_H_ |
| OLD | NEW |