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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_helpers.h" | 5 #include "base/callback_helpers.h" |
6 | 6 |
7 #include "base/callback.h" | 7 #include "base/callback.h" |
8 | 8 |
9 namespace base { | 9 namespace base { |
10 | 10 |
11 ScopedClosureRunner::ScopedClosureRunner() {} | 11 ScopedClosureRunner::ScopedClosureRunner() {} |
12 | 12 |
13 ScopedClosureRunner::ScopedClosureRunner(const Closure& closure) | 13 ScopedClosureRunner::ScopedClosureRunner(const Closure& closure) |
14 : closure_(closure) {} | 14 : closure_(closure) {} |
15 | 15 |
16 ScopedClosureRunner::~ScopedClosureRunner() { | 16 ScopedClosureRunner::~ScopedClosureRunner() { |
17 if (!closure_.is_null()) | 17 if (!closure_.is_null()) |
18 closure_.Run(); | 18 closure_.Run(); |
19 } | 19 } |
20 | 20 |
21 ScopedClosureRunner::ScopedClosureRunner(ScopedClosureRunner&& other) | 21 ScopedClosureRunner::ScopedClosureRunner(ScopedClosureRunner&& other) |
22 : closure_(other.Release()) {} | 22 : closure_(other.Release()) {} |
23 | 23 |
24 ScopedClosureRunner& ScopedClosureRunner::operator=( | 24 ScopedClosureRunner& ScopedClosureRunner::operator=( |
25 ScopedClosureRunner&& other) { | 25 ScopedClosureRunner&& other) { |
26 Reset(other.Release()); | 26 ReplaceClosure(other.Release()); |
27 return *this; | 27 return *this; |
28 } | 28 } |
29 | 29 |
30 void ScopedClosureRunner::Reset() { | 30 void ScopedClosureRunner::RunAndReset() { |
31 Closure old_closure = Release(); | 31 Closure old_closure = Release(); |
32 if (!old_closure.is_null()) | 32 if (!old_closure.is_null()) |
33 old_closure.Run(); | 33 old_closure.Run(); |
34 } | 34 } |
35 | 35 |
36 void ScopedClosureRunner::Reset(const Closure& closure) { | 36 void ScopedClosureRunner::ReplaceClosure(const Closure& closure) { |
37 Closure old_closure = Release(); | |
38 closure_ = closure; | 37 closure_ = closure; |
39 if (!old_closure.is_null()) | |
40 old_closure.Run(); | |
41 } | 38 } |
42 | 39 |
43 Closure ScopedClosureRunner::Release() { | 40 Closure ScopedClosureRunner::Release() { |
44 Closure result = closure_; | 41 Closure result = closure_; |
45 closure_.Reset(); | 42 closure_.Reset(); |
46 return result; | 43 return result; |
47 } | 44 } |
48 | 45 |
49 } // namespace base | 46 } // namespace base |
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