diff options
Diffstat (limited to 'base/system_monitor/system_monitor.h')
| -rw-r--r-- | base/system_monitor/system_monitor.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/base/system_monitor/system_monitor.h b/base/system_monitor/system_monitor.h index 359feb6..e05df74 100644 --- a/base/system_monitor/system_monitor.h +++ b/base/system_monitor/system_monitor.h @@ -51,6 +51,13 @@ class BASE_EXPORT SystemMonitor { RESUME_EVENT // The system is being resumed. }; + // Type of devices whose change need to be monitored, such as add/remove. + enum DeviceType { + DEVTYPE_AUDIO_CAPTURE, // Audio capture device, e.g., microphone. + DEVTYPE_VIDEO_CAPTURE, // Video capture device, e.g., webcam. + DEVTYPE_UNKNOWN, // Other devices. + }; + // Type of location data to identify a currently attached media device. enum MediaDeviceType { TYPE_PATH, // FilePath::StringType, e.g. a mount point. @@ -140,7 +147,7 @@ class BASE_EXPORT SystemMonitor { public: // Notification that the devices connected to the system have changed. // This is only implemented on Windows currently. - virtual void OnDevicesChanged() {} + virtual void OnDevicesChanged(DeviceType device_type) {} // When a media device is attached or detached, one of these two events // is triggered. @@ -178,7 +185,7 @@ class BASE_EXPORT SystemMonitor { void ProcessPowerMessage(PowerEvent event_id); // Cross-platform handling of a device change event. - void ProcessDevicesChanged(); + void ProcessDevicesChanged(DeviceType device_type); void ProcessMediaDeviceAttached(const std::string& id, const string16& name, MediaDeviceType type, @@ -204,7 +211,7 @@ class BASE_EXPORT SystemMonitor { void BatteryCheck(); // Functions to trigger notifications. - void NotifyDevicesChanged(); + void NotifyDevicesChanged(DeviceType device_type); void NotifyMediaDeviceAttached(const std::string& id, const string16& name, MediaDeviceType type, |