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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #ifndef BASE_MESSAGE_LOOP_MESSAGE_LOOP_PROXY_H_ | 5 #ifndef BASE_MESSAGE_LOOP_MESSAGE_LOOP_PROXY_H_ |
6 #define BASE_MESSAGE_LOOP_MESSAGE_LOOP_PROXY_H_ | 6 #define BASE_MESSAGE_LOOP_MESSAGE_LOOP_PROXY_H_ |
7 | 7 |
8 #include "base/base_export.h" | 8 #include "base/base_export.h" |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/single_thread_task_runner.h" | 11 #include "base/single_thread_task_runner.h" |
12 | 12 |
13 //MessageLoopProxy is depreciated. Code should prefer to depend on TaskRunner(or | |
Lei Zhang
2015/04/30 20:52:02
- Comments have a space after "//"
- Space after T
anujsharma
2015/05/04 06:34:08
Done.
| |
14 //the various specializations) for passing task runners around, and should use | |
15 //ThreadTaskRunnerHandle::Get() to get the thread's associated task runner. | |
16 // | |
17 //See crbug.com/391045 for more details. | |
Lei Zhang
2015/04/30 20:52:02
Ad http://
anujsharma
2015/05/04 06:34:08
Done.
| |
18 // This basically does a search and replace: | |
Lei Zhang
2015/04/30 20:52:02
You can omit this line.
anujsharma
2015/05/04 06:34:08
Done.
| |
19 // Example for these changes:- | |
20 // | |
21 //MessageLoopProxy::current() -> ThreadTaskRunnerHandle::Get() | |
22 //scoped_refptr<base::MessageLoopProxy> -> scoped_refptr<SingleThreadTaskRunner> | |
23 //MessageLoopProxy -> SingleThreadTaskRunner | |
24 | |
13 namespace base { | 25 namespace base { |
14 | 26 |
15 // This class provides a thread-safe refcounted interface to the Post* methods | 27 // This class provides a thread-safe refcounted interface to the Post* methods |
16 // of a message loop. This class can outlive the target message loop. | 28 // of a message loop. This class can outlive the target message loop. |
17 // MessageLoopProxy objects are constructed automatically for all MessageLoops. | 29 // MessageLoopProxy objects are constructed automatically for all MessageLoops. |
18 // So, to access them, you can use any of the following: | 30 // So, to access them, you can use any of the following: |
19 // Thread::message_loop_proxy() | 31 // Thread::message_loop_proxy() |
20 // MessageLoop::current()->message_loop_proxy() | 32 // MessageLoop::current()->message_loop_proxy() |
21 // MessageLoopProxy::current() | 33 // MessageLoopProxy::current() |
22 // | 34 // |
23 // TODO(akalin): Now that we have the *TaskRunner interfaces, we can | 35 // TODO(akalin): Now that we have the *TaskRunner interfaces, we can |
24 // merge this with MessageLoopProxyImpl. | 36 // merge this with MessageLoopProxyImpl. |
25 class BASE_EXPORT MessageLoopProxy : public SingleThreadTaskRunner { | 37 class BASE_EXPORT MessageLoopProxy : public SingleThreadTaskRunner { |
26 public: | 38 public: |
27 // Gets the MessageLoopProxy for the current message loop, creating one if | 39 // Gets the MessageLoopProxy for the current message loop, creating one if |
28 // needed. | 40 // needed. |
29 static scoped_refptr<MessageLoopProxy> current(); | 41 static scoped_refptr<MessageLoopProxy> current(); |
30 | 42 |
31 protected: | 43 protected: |
32 MessageLoopProxy(); | 44 MessageLoopProxy(); |
33 ~MessageLoopProxy() override; | 45 ~MessageLoopProxy() override; |
34 }; | 46 }; |
35 | 47 |
36 } // namespace base | 48 } // namespace base |
37 | 49 |
38 #endif // BASE_MESSAGE_LOOP_MESSAGE_LOOP_PROXY_H_ | 50 #endif // BASE_MESSAGE_LOOP_MESSAGE_LOOP_PROXY_H_ |
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