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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/callback_internal.h" | 5 #include "base/callback_internal.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 | 8 |
9 namespace base { | 9 namespace base { |
10 namespace internal { | 10 namespace internal { |
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22 } | 22 } |
23 | 23 |
24 BindStateBase::BindStateBase(InvokeFuncStorage polymorphic_invoke, | 24 BindStateBase::BindStateBase(InvokeFuncStorage polymorphic_invoke, |
25 void (*destructor)(const BindStateBase*)) | 25 void (*destructor)(const BindStateBase*)) |
26 : BindStateBase(polymorphic_invoke, destructor, &ReturnFalse) { | 26 : BindStateBase(polymorphic_invoke, destructor, &ReturnFalse) { |
27 } | 27 } |
28 | 28 |
29 BindStateBase::BindStateBase(InvokeFuncStorage polymorphic_invoke, | 29 BindStateBase::BindStateBase(InvokeFuncStorage polymorphic_invoke, |
30 void (*destructor)(const BindStateBase*), | 30 void (*destructor)(const BindStateBase*), |
31 bool (*is_cancelled)(const BindStateBase*)) | 31 bool (*is_cancelled)(const BindStateBase*)) |
32 : polymorphic_invoke_(polymorphic_invoke), | 32 : RefCountedThreadSafe(1 /* initial_ref_count */), |
| 33 polymorphic_invoke_(polymorphic_invoke), |
33 destructor_(destructor), | 34 destructor_(destructor), |
34 is_cancelled_(is_cancelled) {} | 35 is_cancelled_(is_cancelled) {} |
35 | 36 |
36 CallbackBase<CopyMode::MoveOnly>::CallbackBase(CallbackBase&& c) = default; | 37 CallbackBase<CopyMode::MoveOnly>::CallbackBase(CallbackBase&& c) = default; |
37 | 38 |
38 CallbackBase<CopyMode::MoveOnly>& | 39 CallbackBase<CopyMode::MoveOnly>& |
39 CallbackBase<CopyMode::MoveOnly>::operator=(CallbackBase&& c) = default; | 40 CallbackBase<CopyMode::MoveOnly>::operator=(CallbackBase&& c) = default; |
40 | 41 |
41 CallbackBase<CopyMode::MoveOnly>::CallbackBase( | 42 CallbackBase<CopyMode::MoveOnly>::CallbackBase( |
42 const CallbackBase<CopyMode::Copyable>& c) | 43 const CallbackBase<CopyMode::Copyable>& c) |
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67 bool CallbackBase<CopyMode::MoveOnly>::IsCancelled() const { | 68 bool CallbackBase<CopyMode::MoveOnly>::IsCancelled() const { |
68 DCHECK(bind_state_); | 69 DCHECK(bind_state_); |
69 return bind_state_->IsCancelled(); | 70 return bind_state_->IsCancelled(); |
70 } | 71 } |
71 | 72 |
72 bool CallbackBase<CopyMode::MoveOnly>::EqualsInternal( | 73 bool CallbackBase<CopyMode::MoveOnly>::EqualsInternal( |
73 const CallbackBase& other) const { | 74 const CallbackBase& other) const { |
74 return bind_state_ == other.bind_state_; | 75 return bind_state_ == other.bind_state_; |
75 } | 76 } |
76 | 77 |
77 CallbackBase<CopyMode::MoveOnly>::CallbackBase( | 78 CallbackBase<CopyMode::MoveOnly>::CallbackBase(BindStateBase* bind_state) |
78 BindStateBase* bind_state) | 79 : bind_state_(AdoptRef(bind_state)) { |
79 : bind_state_(bind_state) { | |
80 DCHECK(!bind_state_.get() || bind_state_->HasOneRef()); | 80 DCHECK(!bind_state_.get() || bind_state_->HasOneRef()); |
81 } | 81 } |
82 | 82 |
83 CallbackBase<CopyMode::MoveOnly>::~CallbackBase() {} | 83 CallbackBase<CopyMode::MoveOnly>::~CallbackBase() {} |
84 | 84 |
85 CallbackBase<CopyMode::Copyable>::CallbackBase( | 85 CallbackBase<CopyMode::Copyable>::CallbackBase( |
86 const CallbackBase& c) | 86 const CallbackBase& c) |
87 : CallbackBase<CopyMode::MoveOnly>(nullptr) { | 87 : CallbackBase<CopyMode::MoveOnly>(nullptr) { |
88 bind_state_ = c.bind_state_; | 88 bind_state_ = c.bind_state_; |
89 } | 89 } |
90 | 90 |
91 CallbackBase<CopyMode::Copyable>::CallbackBase(CallbackBase&& c) = default; | 91 CallbackBase<CopyMode::Copyable>::CallbackBase(CallbackBase&& c) = default; |
92 | 92 |
93 CallbackBase<CopyMode::Copyable>& | 93 CallbackBase<CopyMode::Copyable>& |
94 CallbackBase<CopyMode::Copyable>::operator=(const CallbackBase& c) { | 94 CallbackBase<CopyMode::Copyable>::operator=(const CallbackBase& c) { |
95 bind_state_ = c.bind_state_; | 95 bind_state_ = c.bind_state_; |
96 return *this; | 96 return *this; |
97 } | 97 } |
98 | 98 |
99 CallbackBase<CopyMode::Copyable>& | 99 CallbackBase<CopyMode::Copyable>& |
100 CallbackBase<CopyMode::Copyable>::operator=(CallbackBase&& c) = default; | 100 CallbackBase<CopyMode::Copyable>::operator=(CallbackBase&& c) = default; |
101 | 101 |
102 template class CallbackBase<CopyMode::MoveOnly>; | 102 template class CallbackBase<CopyMode::MoveOnly>; |
103 template class CallbackBase<CopyMode::Copyable>; | 103 template class CallbackBase<CopyMode::Copyable>; |
104 | 104 |
105 } // namespace internal | 105 } // namespace internal |
106 } // namespace base | 106 } // namespace base |
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