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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 CHROME_BROWSER_CHROMEOS_SYSTEM_POINTER_DEVICE_OBSERVER_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_SYSTEM_POINTER_DEVICE_OBSERVER_H_ |
6 #define CHROME_BROWSER_CHROMEOS_SYSTEM_POINTER_DEVICE_OBSERVER_H_ | 6 #define CHROME_BROWSER_CHROMEOS_SYSTEM_POINTER_DEVICE_OBSERVER_H_ |
7 | 7 |
8 #include "base/memory/weak_ptr.h" | 8 #include "base/memory/weak_ptr.h" |
9 #include "base/observer_list.h" | 9 #include "base/observer_list.h" |
10 #include "chrome/browser/chromeos/device_hierarchy_observer.h" | 10 #include "chrome/browser/chromeos/device_hierarchy_observer.h" |
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30 | 30 |
31 protected: | 31 protected: |
32 Observer() {} | 32 Observer() {} |
33 virtual ~Observer(); | 33 virtual ~Observer(); |
34 }; | 34 }; |
35 void AddObserver(Observer* observer); | 35 void AddObserver(Observer* observer); |
36 void RemoveObserver(Observer* observer); | 36 void RemoveObserver(Observer* observer); |
37 | 37 |
38 private: | 38 private: |
39 // DeviceHierarchyObserver implementation. | 39 // DeviceHierarchyObserver implementation. |
40 virtual void DeviceHierarchyChanged() OVERRIDE; | 40 virtual void DeviceHierarchyChanged() override; |
41 virtual void DeviceAdded(int device_id) OVERRIDE {} | 41 virtual void DeviceAdded(int device_id) override {} |
42 virtual void DeviceRemoved(int device_id) OVERRIDE {} | 42 virtual void DeviceRemoved(int device_id) override {} |
43 | 43 |
44 // Check for pointer devices. | 44 // Check for pointer devices. |
45 void CheckTouchpadExists(); | 45 void CheckTouchpadExists(); |
46 void CheckMouseExists(); | 46 void CheckMouseExists(); |
47 | 47 |
48 // Callback for pointer device checks. | 48 // Callback for pointer device checks. |
49 void OnTouchpadExists(bool exists); | 49 void OnTouchpadExists(bool exists); |
50 void OnMouseExists(bool exists); | 50 void OnMouseExists(bool exists); |
51 | 51 |
52 ObserverList<Observer> observers_; | 52 ObserverList<Observer> observers_; |
53 | 53 |
54 base::WeakPtrFactory<PointerDeviceObserver> weak_factory_; | 54 base::WeakPtrFactory<PointerDeviceObserver> weak_factory_; |
55 | 55 |
56 DISALLOW_COPY_AND_ASSIGN(PointerDeviceObserver); | 56 DISALLOW_COPY_AND_ASSIGN(PointerDeviceObserver); |
57 }; | 57 }; |
58 | 58 |
59 } // namespace system | 59 } // namespace system |
60 } // namespace chromeos | 60 } // namespace chromeos |
61 | 61 |
62 #endif // CHROME_BROWSER_CHROMEOS_SYSTEM_POINTER_DEVICE_OBSERVER_H_ | 62 #endif // CHROME_BROWSER_CHROMEOS_SYSTEM_POINTER_DEVICE_OBSERVER_H_ |
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