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1 // Copyright (c) 2011 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 REMOTING_BASE_SCOPED_THREAD_PROXY_H_ | 5 #ifndef REMOTING_BASE_SCOPED_THREAD_PROXY_H_ |
6 #define REMOTING_BASE_SCOPED_THREAD_PROXY_H_ | 6 #define REMOTING_BASE_SCOPED_THREAD_PROXY_H_ |
7 | 7 |
8 #include "base/callback_forward.h" | 8 #include "base/callback_forward.h" |
9 #include "base/message_loop_proxy.h" | 9 #include "base/message_loop_proxy.h" |
10 | 10 |
11 namespace remoting { | 11 namespace remoting { |
12 | 12 |
13 // ScopedThreadProxy is proxy for message loops that cancels all | 13 // ScopedThreadProxy is proxy for message loops that cancels all |
14 // pending tasks when it is destroyed. It can be used to post tasks | 14 // pending tasks when it is destroyed. It can be used to post tasks |
15 // for a non-refcounted object. Must be deleted on the thread it | 15 // for a non-refcounted object. Must be deleted on the thread it |
16 // belongs to. | 16 // belongs to. |
17 // | 17 // |
18 // The main difference from WeakPtr<> and ScopedRunnableMethodFactory<> | 18 // |
19 // is that this class can be used safely to post tasks from different | 19 // The main difference from WeakPtr<> is that this class can be used safely to |
20 // threads. | 20 // post tasks from different threads. |
21 // It is similar to WeakHandle<> used in sync: the main difference is | 21 // It is similar to WeakHandle<> used in sync: the main difference is |
22 // that WeakHandle<> creates closures itself, while ScopedThreadProxy | 22 // that WeakHandle<> creates closures itself, while ScopedThreadProxy |
23 // accepts base::Closure instances which caller needs to create using | 23 // accepts base::Closure instances which caller needs to create using |
24 // base::Bind(). | 24 // base::Bind(). |
25 // | 25 // |
26 // TODO(sergeyu): Potentially we could use WeakHandle<> instead of | 26 // TODO(sergeyu): Potentially we could use WeakHandle<> instead of |
27 // this class. Consider migrating to WeakHandle<> when it is moved to | 27 // this class. Consider migrating to WeakHandle<> when it is moved to |
28 // src/base and support for delayed tasks is implemented. | 28 // src/base and support for delayed tasks is implemented. |
29 // | 29 // |
30 // Usage: | 30 // Usage: |
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64 class Core; | 64 class Core; |
65 | 65 |
66 scoped_refptr<Core> core_; | 66 scoped_refptr<Core> core_; |
67 | 67 |
68 DISALLOW_COPY_AND_ASSIGN(ScopedThreadProxy); | 68 DISALLOW_COPY_AND_ASSIGN(ScopedThreadProxy); |
69 }; | 69 }; |
70 | 70 |
71 } // namespace remoting | 71 } // namespace remoting |
72 | 72 |
73 #endif // REMOTING_BASE_SCOPED_THREAD_PROXY_H_ | 73 #endif // REMOTING_BASE_SCOPED_THREAD_PROXY_H_ |
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