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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 DEVICE_USB_USB_SERVICE_H_ | 5 #ifndef DEVICE_USB_USB_SERVICE_H_ |
6 #define DEVICE_USB_USB_SERVICE_H_ | 6 #define DEVICE_USB_USB_SERVICE_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 #include <unordered_map> | 10 #include <unordered_map> |
11 #include <unordered_set> | 11 #include <unordered_set> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/bind_helpers.h" | 14 #include "base/bind_helpers.h" |
15 #include "base/macros.h" | 15 #include "base/macros.h" |
16 #include "base/memory/ref_counted.h" | 16 #include "base/memory/ref_counted.h" |
17 #include "base/observer_list.h" | 17 #include "base/observer_list.h" |
| 18 #include "base/sequenced_task_runner.h" |
| 19 #include "base/single_thread_task_runner.h" |
18 #include "base/threading/non_thread_safe.h" | 20 #include "base/threading/non_thread_safe.h" |
19 | 21 |
20 namespace base { | |
21 class SequencedTaskRunner; | |
22 } | |
23 | |
24 namespace device { | 22 namespace device { |
25 | 23 |
26 class UsbDevice; | 24 class UsbDevice; |
27 | 25 |
28 // The USB service handles creating and managing an event handler thread that is | 26 // The USB service handles creating and managing an event handler thread that is |
29 // used to manage and dispatch USB events. It is also responsible for device | 27 // used to manage and dispatch USB events. It is also responsible for device |
30 // discovery on the system, which allows it to re-use device handles to prevent | 28 // discovery on the system, which allows it to re-use device handles to prevent |
31 // competition for the same USB device. | 29 // competition for the same USB device. |
32 class UsbService : public base::NonThreadSafe { | 30 class UsbService : public base::NonThreadSafe { |
33 public: | 31 public: |
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98 std::unordered_map<std::string, scoped_refptr<UsbDevice>> devices_; | 96 std::unordered_map<std::string, scoped_refptr<UsbDevice>> devices_; |
99 std::unordered_set<std::string> testing_devices_; | 97 std::unordered_set<std::string> testing_devices_; |
100 base::ObserverList<Observer, true> observer_list_; | 98 base::ObserverList<Observer, true> observer_list_; |
101 | 99 |
102 DISALLOW_COPY_AND_ASSIGN(UsbService); | 100 DISALLOW_COPY_AND_ASSIGN(UsbService); |
103 }; | 101 }; |
104 | 102 |
105 } // namespace device | 103 } // namespace device |
106 | 104 |
107 #endif // DEVICE_USB_USB_SERVICE_H_ | 105 #endif // DEVICE_USB_USB_SERVICE_H_ |
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