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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_MIDI_MIDI_SCHEDULER_H_ | 5 #ifndef MEDIA_MIDI_MIDI_SCHEDULER_H_ |
6 #define MEDIA_MIDI_MIDI_SCHEDULER_H_ | 6 #define MEDIA_MIDI_MIDI_SCHEDULER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "base/macros.h" | 11 #include "base/macros.h" |
12 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
13 #include "base/single_thread_task_runner.h" | 13 #include "base/single_thread_task_runner.h" |
14 #include "base/threading/thread_checker.h" | 14 #include "base/threading/thread_checker.h" |
15 #include "media/midi/midi_export.h" | 15 #include "media/midi/midi_export.h" |
16 | 16 |
17 namespace media { | |
18 namespace midi { | 17 namespace midi { |
19 | 18 |
20 class MidiManager; | 19 class MidiManager; |
21 class MidiManagerClient; | 20 class MidiManagerClient; |
22 | 21 |
23 // TODO(crbug.com/467442): Make tasks cancelable per client. | 22 // TODO(crbug.com/467442): Make tasks cancelable per client. |
24 class MIDI_EXPORT MidiScheduler final { | 23 class MIDI_EXPORT MidiScheduler final { |
25 public: | 24 public: |
26 // Both constructor and destructor should be run on the same thread. The | 25 // Both constructor and destructor should be run on the same thread. The |
27 // instance is bound to the TaskRunner of the constructing thread, on which | 26 // instance is bound to the TaskRunner of the constructing thread, on which |
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53 // Ensures |weak_factory_| is destructed, and WeakPtrs are dereferenced on the | 52 // Ensures |weak_factory_| is destructed, and WeakPtrs are dereferenced on the |
54 // same thread. | 53 // same thread. |
55 base::ThreadChecker thread_checker_; | 54 base::ThreadChecker thread_checker_; |
56 | 55 |
57 base::WeakPtrFactory<MidiScheduler> weak_factory_; | 56 base::WeakPtrFactory<MidiScheduler> weak_factory_; |
58 | 57 |
59 DISALLOW_COPY_AND_ASSIGN(MidiScheduler); | 58 DISALLOW_COPY_AND_ASSIGN(MidiScheduler); |
60 }; | 59 }; |
61 | 60 |
62 } // namespace midi | 61 } // namespace midi |
63 } // namespace media | |
64 | 62 |
65 #endif // MEDIA_MIDI_MIDI_SCHEDULER_H_ | 63 #endif // MEDIA_MIDI_MIDI_SCHEDULER_H_ |
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