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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "wtf/MakeCancellable.h" | |
6 | |
7 #include "base/logging.h" | |
8 | |
9 namespace WTF { | |
10 namespace internal { | |
11 | |
12 FunctionCancellerImplBase::FunctionCancellerImplBase() = default; | |
13 FunctionCancellerImplBase::~FunctionCancellerImplBase() = default; | |
14 | |
15 } // namespace internal | |
16 | |
17 FunctionCanceller::FunctionCanceller() = default; | |
18 FunctionCanceller::FunctionCanceller(PassRefPtr<internal::FunctionCancellerImplB ase> cancellation) | |
19 : m_cancellation(cancellation) | |
20 { | |
21 DCHECK(m_cancellation); | |
22 } | |
23 | |
24 FunctionCanceller::FunctionCanceller(FunctionCanceller&&) = default; | |
25 FunctionCanceller& FunctionCanceller::operator=(FunctionCanceller&&) = default; | |
26 | |
27 FunctionCanceller::~FunctionCanceller() | |
28 { | |
29 cancel(); | |
Yuta Kitamura
2016/07/27 09:08:02
This might be a bit surprising (task getting cance
tzik
2016/07/27 10:10:30
Added a comment and example there.
Yes, this will
| |
30 } | |
31 | |
32 void FunctionCanceller::detach() | |
33 { | |
34 m_cancellation = nullptr; | |
35 } | |
36 | |
37 void FunctionCanceller::cancel() | |
38 { | |
39 if (!m_cancellation) | |
40 return; | |
41 | |
42 m_cancellation->cancel(); | |
43 m_cancellation = nullptr; | |
44 } | |
45 | |
46 } // namespace WTF | |
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