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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 MEDIA_BASE_SERIAL_RUNNER_H_ | 5 #ifndef MEDIA_BASE_SERIAL_RUNNER_H_ |
6 #define MEDIA_BASE_SERIAL_RUNNER_H_ | 6 #define MEDIA_BASE_SERIAL_RUNNER_H_ |
7 | 7 |
| 8 #include <memory> |
8 #include <queue> | 9 #include <queue> |
9 | 10 |
10 #include "base/callback.h" | 11 #include "base/callback.h" |
11 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
12 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
13 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
14 #include "media/base/media_export.h" | 15 #include "media/base/media_export.h" |
15 #include "media/base/pipeline_status.h" | 16 #include "media/base/pipeline_status.h" |
16 | 17 |
17 namespace base { | 18 namespace base { |
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58 // | 59 // |
59 // In all cases, |done_cb| is guaranteed to execute on a separate calling | 60 // In all cases, |done_cb| is guaranteed to execute on a separate calling |
60 // stack. | 61 // stack. |
61 // | 62 // |
62 // Deleting the object will prevent execution of any unstarted bound | 63 // Deleting the object will prevent execution of any unstarted bound |
63 // functions, including |done_cb|. | 64 // functions, including |done_cb|. |
64 static scoped_ptr<SerialRunner> Run( | 65 static scoped_ptr<SerialRunner> Run( |
65 const Queue& bound_fns, const PipelineStatusCB& done_cb); | 66 const Queue& bound_fns, const PipelineStatusCB& done_cb); |
66 | 67 |
67 private: | 68 private: |
68 friend struct base::DefaultDeleter<SerialRunner>; | 69 friend std::default_delete<SerialRunner>; |
69 | 70 |
70 SerialRunner(const Queue& bound_fns, const PipelineStatusCB& done_cb); | 71 SerialRunner(const Queue& bound_fns, const PipelineStatusCB& done_cb); |
71 ~SerialRunner(); | 72 ~SerialRunner(); |
72 | 73 |
73 void RunNextInSeries(PipelineStatus last_status); | 74 void RunNextInSeries(PipelineStatus last_status); |
74 | 75 |
75 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 76 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
76 Queue bound_fns_; | 77 Queue bound_fns_; |
77 PipelineStatusCB done_cb_; | 78 PipelineStatusCB done_cb_; |
78 | 79 |
79 // NOTE: Weak pointers must be invalidated before all other member variables. | 80 // NOTE: Weak pointers must be invalidated before all other member variables. |
80 base::WeakPtrFactory<SerialRunner> weak_factory_; | 81 base::WeakPtrFactory<SerialRunner> weak_factory_; |
81 | 82 |
82 DISALLOW_COPY_AND_ASSIGN(SerialRunner); | 83 DISALLOW_COPY_AND_ASSIGN(SerialRunner); |
83 }; | 84 }; |
84 | 85 |
85 } // namespace media | 86 } // namespace media |
86 | 87 |
87 #endif // MEDIA_BASE_SERIAL_RUNNER_H_ | 88 #endif // MEDIA_BASE_SERIAL_RUNNER_H_ |
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