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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // This file contains the implementation shared by | 5 // This file contains the implementation shared by |
6 // TaskRunner::PostTaskAndReply and WorkerPool::PostTaskAndReply. | 6 // MessageLoopProxy::PostTaskAndReply and WorkerPool::PostTaskAndReply. |
7 | 7 |
8 #ifndef BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_ | 8 #ifndef BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_ |
9 #define BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_ | 9 #define BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_ |
10 | 10 |
11 #include "base/callback_forward.h" | 11 #include "base/callback_forward.h" |
12 #include "base/location.h" | 12 #include "base/location.h" |
13 | 13 |
14 namespace base { | 14 namespace base { |
15 namespace internal { | 15 namespace internal { |
16 | 16 |
17 // Inherit from this in a class that implements PostTask appropriately | 17 // Inherit from this in a class that implements PostTask appropriately |
18 // for sending to a destination thread. | 18 // for sending to a destination thread. |
19 // | 19 // |
20 // Note that 'reply' will always get posted back to your current | 20 // Note that 'reply' will always get posted back to your current |
21 // MessageLoop. | 21 // MessageLoop. |
22 // | 22 // |
23 // If you're looking for a concrete implementation of | 23 // If you're looking for a concrete implementation of |
24 // PostTaskAndReply, you probably want base::SingleThreadTaskRunner, or you | 24 // PostTaskAndReply, you probably want base::MessageLoopProxy, or you |
25 // may want base::WorkerPool. | 25 // may want base::WorkerPool. |
26 class PostTaskAndReplyImpl { | 26 class PostTaskAndReplyImpl { |
27 public: | 27 public: |
28 // Implementation for TaskRunner::PostTaskAndReply and | 28 // Implementation for MessageLoopProxy::PostTaskAndReply and |
29 // WorkerPool::PostTaskAndReply. | 29 // WorkerPool::PostTaskAndReply. |
30 bool PostTaskAndReply(const tracked_objects::Location& from_here, | 30 bool PostTaskAndReply(const tracked_objects::Location& from_here, |
31 const Closure& task, | 31 const Closure& task, |
32 const Closure& reply); | 32 const Closure& reply); |
33 | 33 |
34 private: | 34 private: |
35 virtual bool PostTask(const tracked_objects::Location& from_here, | 35 virtual bool PostTask(const tracked_objects::Location& from_here, |
36 const Closure& task) = 0; | 36 const Closure& task) = 0; |
37 }; | 37 }; |
38 | 38 |
39 } // namespace internal | 39 } // namespace internal |
40 } // namespace base | 40 } // namespace base |
41 | 41 |
42 #endif // BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_ | 42 #endif // BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_ |
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