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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 CHROME_BROWSER_CHROMEOS_DEVICE_INPUT_SERVICE_PROXY_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_DEVICE_INPUT_SERVICE_PROXY_H_ |
6 #define CHROME_BROWSER_CHROMEOS_DEVICE_INPUT_SERVICE_PROXY_H_ | 6 #define CHROME_BROWSER_CHROMEOS_DEVICE_INPUT_SERVICE_PROXY_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
| 13 #include "base/memory/ref_counted.h" |
13 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
14 #include "base/observer_list.h" | 15 #include "base/observer_list.h" |
15 #include "base/task_runner.h" | 16 #include "base/sequenced_task_runner.h" |
16 #include "base/threading/thread_checker.h" | 17 #include "base/threading/thread_checker.h" |
17 #include "content/public/browser/browser_thread.h" | |
18 #include "device/hid/input_service_linux.h" | 18 #include "device/hid/input_service_linux.h" |
19 | 19 |
20 namespace chromeos { | 20 namespace chromeos { |
21 | 21 |
22 // Proxy to device::InputServiceLinux. Should be created and used on the UI | 22 // Proxy to device::InputServiceLinux. Should be created and used on the UI |
23 // thread. | 23 // thread. |
24 class InputServiceProxy { | 24 class InputServiceProxy { |
25 public: | 25 public: |
26 typedef device::InputServiceLinux::InputDeviceInfo InputDeviceInfo; | 26 typedef device::InputServiceLinux::InputDeviceInfo InputDeviceInfo; |
27 | 27 |
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40 InputServiceProxy(); | 40 InputServiceProxy(); |
41 ~InputServiceProxy(); | 41 ~InputServiceProxy(); |
42 | 42 |
43 void AddObserver(Observer* observer); | 43 void AddObserver(Observer* observer); |
44 void RemoveObserver(Observer* observer); | 44 void RemoveObserver(Observer* observer); |
45 | 45 |
46 void GetDevices(const GetDevicesCallback& callback); | 46 void GetDevices(const GetDevicesCallback& callback); |
47 void GetDeviceInfo(const std::string& id, | 47 void GetDeviceInfo(const std::string& id, |
48 const GetDeviceInfoCallback& callback); | 48 const GetDeviceInfoCallback& callback); |
49 | 49 |
| 50 // Returns the SequencedTaskRunner for device::InputServiceLinux. Make it |
| 51 // static so that all InputServiceProxy instances and code that needs access |
| 52 // to device::InputServiceLinux uses the same sequence. |
| 53 static scoped_refptr<base::SequencedTaskRunner> GetInputServiceTaskRunner(); |
| 54 |
50 // Should be called once before any InputServiceProxy instance is created. | 55 // Should be called once before any InputServiceProxy instance is created. |
51 static void SetThreadIdForTesting(content::BrowserThread::ID thread_id); | 56 static void SetUseUIThreadForTesting(bool use_ui_thread); |
52 | 57 |
53 private: | 58 private: |
54 static content::BrowserThread::ID thread_identifier_; | |
55 | |
56 class ServiceObserver; | 59 class ServiceObserver; |
57 | 60 |
58 void OnDeviceAdded(const device::InputServiceLinux::InputDeviceInfo& info); | 61 void OnDeviceAdded(const device::InputServiceLinux::InputDeviceInfo& info); |
59 void OnDeviceRemoved(const std::string& id); | 62 void OnDeviceRemoved(const std::string& id); |
60 | 63 |
61 base::ObserverList<Observer> observers_; | 64 base::ObserverList<Observer> observers_; |
62 std::unique_ptr<ServiceObserver> service_observer_; | 65 std::unique_ptr<ServiceObserver> service_observer_; |
63 | 66 |
64 base::ThreadChecker thread_checker_; | 67 THREAD_CHECKER(thread_checker_); |
65 | |
66 scoped_refptr<base::TaskRunner> task_runner_; | |
67 | 68 |
68 base::WeakPtrFactory<InputServiceProxy> weak_factory_; | 69 base::WeakPtrFactory<InputServiceProxy> weak_factory_; |
69 | 70 |
70 DISALLOW_COPY_AND_ASSIGN(InputServiceProxy); | 71 DISALLOW_COPY_AND_ASSIGN(InputServiceProxy); |
71 }; | 72 }; |
72 | 73 |
73 } // namespace chromeos | 74 } // namespace chromeos |
74 | 75 |
75 #endif // CHROME_BROWSER_CHROMEOS_DEVICE_INPUT_SERVICE_PROXY_H_ | 76 #endif // CHROME_BROWSER_CHROMEOS_DEVICE_INPUT_SERVICE_PROXY_H_ |
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