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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 MEDIA_CAPTURE_DEVICE_MONITOR_MAC_H_ | 5 #ifndef MEDIA_CAPTURE_DEVICE_MONITOR_MAC_H_ |
6 #define MEDIA_CAPTURE_DEVICE_MONITOR_MAC_H_ | 6 #define MEDIA_CAPTURE_DEVICE_MONITOR_MAC_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/system_monitor/system_monitor.h" | 9 #include "base/system_monitor/system_monitor.h" |
10 #include "base/threading/thread_checker.h" | 10 #include "base/threading/thread_checker.h" |
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26 | 26 |
27 // Registers the observers for the audio/video device removal, connection and | 27 // Registers the observers for the audio/video device removal, connection and |
28 // suspension. The AVFoundation library is also loaded and initialised if the | 28 // suspension. The AVFoundation library is also loaded and initialised if the |
29 // OS supports it. The |device_task_runner| argument represents the thread on | 29 // OS supports it. The |device_task_runner| argument represents the thread on |
30 // which device enumeration will occur. | 30 // which device enumeration will occur. |
31 void StartMonitoring( | 31 void StartMonitoring( |
32 const scoped_refptr<base::SingleThreadTaskRunner>& device_task_runner); | 32 const scoped_refptr<base::SingleThreadTaskRunner>& device_task_runner); |
33 | 33 |
34 // Method called by the internal DeviceMonitorMacImpl object | 34 // Method called by the internal DeviceMonitorMacImpl object |
35 // |device_monitor_impl_| when a device of type |type| has been added to or | 35 // |device_monitor_impl_| when a device of type |type| has been added to or |
36 // removed from the system. This code executes in the notification thread | 36 // removed from the system. This code executes in the notification thread. |
37 // (QTKit or AVFoundation). | |
38 void NotifyDeviceChanged(base::SystemMonitor::DeviceType type); | 37 void NotifyDeviceChanged(base::SystemMonitor::DeviceType type); |
39 | 38 |
40 private: | 39 private: |
41 scoped_ptr<DeviceMonitorMacImpl> device_monitor_impl_; | 40 scoped_ptr<DeviceMonitorMacImpl> device_monitor_impl_; |
42 | 41 |
43 // |thread_checker_| is used to check that constructor and StartMonitoring() | 42 // |thread_checker_| is used to check that constructor and StartMonitoring() |
44 // are called in the correct thread, the UI thread, that also owns the object. | 43 // are called in the correct thread, the UI thread, that also owns the object. |
45 base::ThreadChecker thread_checker_; | 44 base::ThreadChecker thread_checker_; |
46 | 45 |
47 DISALLOW_COPY_AND_ASSIGN(DeviceMonitorMac); | 46 DISALLOW_COPY_AND_ASSIGN(DeviceMonitorMac); |
48 }; | 47 }; |
49 | 48 |
50 } // namespace content | 49 } // namespace content |
51 | 50 |
52 #endif // MEDIA_CAPTURE_DEVICE_MONITOR_MAC_H_ | 51 #endif // MEDIA_CAPTURE_DEVICE_MONITOR_MAC_H_ |
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