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1 // Copyright 2014 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 #ifndef MOJO_EDK_SYSTEM_ASYNC_WAITER_H_ | |
6 #define MOJO_EDK_SYSTEM_ASYNC_WAITER_H_ | |
7 | |
8 #include "base/callback.h" | |
9 #include "base/macros.h" | |
10 #include "mojo/edk/system/awakable.h" | |
11 #include "mojo/edk/system/system_impl_export.h" | |
12 #include "mojo/public/c/system/types.h" | |
13 | |
14 namespace mojo { | |
15 namespace system { | |
16 | |
17 // An |Awakable| implementation that just calls a given callback object. | |
18 class MOJO_SYSTEM_IMPL_EXPORT AsyncWaiter final : public Awakable { | |
19 public: | |
20 typedef base::Callback<void(MojoResult)> AwakeCallback; | |
21 | |
22 // |callback| must satisfy the same contract as |Awakable::Awake()|. | |
23 explicit AsyncWaiter(AwakeCallback callback); | |
24 virtual ~AsyncWaiter(); | |
25 | |
26 private: | |
27 // |Awakable| implementation: | |
28 bool Awake(MojoResult result, uintptr_t context) override; | |
29 | |
30 AwakeCallback callback_; | |
31 | |
32 DISALLOW_COPY_AND_ASSIGN(AsyncWaiter); | |
33 }; | |
34 | |
35 } // namespace system | |
36 } // namespace mojo | |
37 | |
38 #endif // MOJO_EDK_SYSTEM_ASYNC_WAITER_H_ | |
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