| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_DEVICE_MONITOR_MAC_H_ |
| #define CONTENT_BROWSER_DEVICE_MONITOR_MAC_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/system_monitor/system_monitor.h" |
| |
| namespace { |
| class DeviceMonitorMacImpl; |
| } |
| |
| namespace content { |
| |
| // Class to track audio/video devices removal or addition via callback to |
| // base::SystemMonitor ProcessDevicesChanged(). A single object of this class |
| // is created from the browser main process and lives as long as this one. |
| class DeviceMonitorMac { |
| public: |
| DeviceMonitorMac(); |
| ~DeviceMonitorMac(); |
| |
| // Method called by the internal DeviceMonitorMacImpl object |
| // |device_monitor_impl_| when a device of type |type| has been added to or |
| // removed from the system. This code executes in the notification thread |
| // (QTKit or AVFoundation). |
| void NotifyDeviceChanged(base::SystemMonitor::DeviceType type); |
| |
| private: |
| scoped_ptr<DeviceMonitorMacImpl> device_monitor_impl_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DeviceMonitorMac); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_DEVICE_MONITOR_MAC_H_ |