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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 #include "base/logging.h" |
8 | 9 |
9 namespace base { | 10 namespace base { |
10 | 11 |
11 ScopedClosureRunner::ScopedClosureRunner() {} | 12 ScopedClosureRunner::ScopedClosureRunner() {} |
12 | 13 |
13 ScopedClosureRunner::ScopedClosureRunner(const Closure& closure) | 14 ScopedClosureRunner::ScopedClosureRunner(const Closure& closure) |
14 : closure_(closure) {} | 15 : closure_(closure) {} |
15 | 16 |
16 ScopedClosureRunner::~ScopedClosureRunner() { | 17 ScopedClosureRunner::~ScopedClosureRunner() { |
17 if (!closure_.is_null()) | 18 if (!closure_.is_null()) |
18 closure_.Run(); | 19 closure_.Run(); |
19 } | 20 } |
20 | 21 |
21 ScopedClosureRunner::ScopedClosureRunner(ScopedClosureRunner&& other) | 22 ScopedClosureRunner::ScopedClosureRunner(ScopedClosureRunner&& other) |
22 : closure_(other.Release()) {} | 23 : closure_(other.Release()) {} |
23 | 24 |
24 ScopedClosureRunner& ScopedClosureRunner::operator=( | 25 ScopedClosureRunner& ScopedClosureRunner::operator=( |
25 ScopedClosureRunner&& other) { | 26 ScopedClosureRunner&& other) { |
26 Reset(other.Release()); | 27 DCHECK(closure_.is_null()); |
| 28 ReplaceClosure(other.Release()); |
27 return *this; | 29 return *this; |
28 } | 30 } |
29 | 31 |
30 void ScopedClosureRunner::Reset() { | 32 void ScopedClosureRunner::RunNow() { |
31 Closure old_closure = Release(); | 33 Closure old_closure = Release(); |
32 if (!old_closure.is_null()) | 34 if (!old_closure.is_null()) |
33 old_closure.Run(); | 35 old_closure.Run(); |
34 } | 36 } |
35 | 37 |
36 void ScopedClosureRunner::Reset(const Closure& closure) { | 38 void ScopedClosureRunner::ReplaceClosure(const Closure& closure) { |
37 Closure old_closure = Release(); | 39 Closure old_closure = Release(); |
38 closure_ = closure; | 40 closure_ = closure; |
39 if (!old_closure.is_null()) | 41 if (!old_closure.is_null()) |
40 old_closure.Run(); | 42 old_closure.Run(); |
41 } | 43 } |
42 | 44 |
43 Closure ScopedClosureRunner::Release() { | 45 Closure ScopedClosureRunner::Release() { |
44 Closure result = closure_; | 46 Closure result = closure_; |
45 closure_.Reset(); | 47 closure_.Reset(); |
46 return result; | 48 return result; |
47 } | 49 } |
48 | 50 |
49 } // namespace base | 51 } // namespace base |
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