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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium 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 #include "base/memory/weak_ptr.h" | 5 #include "base/memory/weak_ptr.h" |
6 | 6 |
7 namespace base { | 7 namespace base { |
8 namespace internal { | 8 namespace internal { |
9 | 9 |
10 WeakReference::Flag::Flag() : is_valid_(true) { | 10 WeakReference::Flag::Flag() : is_valid_(true) { |
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27 << "WeakPtrs must be checked on the same sequenced thread."; | 27 << "WeakPtrs must be checked on the same sequenced thread."; |
28 return is_valid_; | 28 return is_valid_; |
29 } | 29 } |
30 | 30 |
31 WeakReference::Flag::~Flag() { | 31 WeakReference::Flag::~Flag() { |
32 } | 32 } |
33 | 33 |
34 WeakReference::WeakReference() { | 34 WeakReference::WeakReference() { |
35 } | 35 } |
36 | 36 |
37 WeakReference::WeakReference(const WeakReference& other) = default; | |
38 | |
39 WeakReference::WeakReference(const Flag* flag) : flag_(flag) { | 37 WeakReference::WeakReference(const Flag* flag) : flag_(flag) { |
40 } | 38 } |
41 | 39 |
42 WeakReference::~WeakReference() { | 40 WeakReference::~WeakReference() { |
43 } | 41 } |
44 | 42 |
| 43 WeakReference::WeakReference(WeakReference&& other) = default; |
| 44 |
| 45 WeakReference::WeakReference(const WeakReference& other) = default; |
| 46 |
45 bool WeakReference::is_valid() const { return flag_.get() && flag_->IsValid(); } | 47 bool WeakReference::is_valid() const { return flag_.get() && flag_->IsValid(); } |
46 | 48 |
47 WeakReferenceOwner::WeakReferenceOwner() { | 49 WeakReferenceOwner::WeakReferenceOwner() { |
48 } | 50 } |
49 | 51 |
50 WeakReferenceOwner::~WeakReferenceOwner() { | 52 WeakReferenceOwner::~WeakReferenceOwner() { |
51 Invalidate(); | 53 Invalidate(); |
52 } | 54 } |
53 | 55 |
54 WeakReference WeakReferenceOwner::GetRef() const { | 56 WeakReference WeakReferenceOwner::GetRef() const { |
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70 } | 72 } |
71 | 73 |
72 WeakPtrBase::~WeakPtrBase() { | 74 WeakPtrBase::~WeakPtrBase() { |
73 } | 75 } |
74 | 76 |
75 WeakPtrBase::WeakPtrBase(const WeakReference& ref) : ref_(ref) { | 77 WeakPtrBase::WeakPtrBase(const WeakReference& ref) : ref_(ref) { |
76 } | 78 } |
77 | 79 |
78 } // namespace internal | 80 } // namespace internal |
79 } // namespace base | 81 } // namespace base |
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