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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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