protected virtual void OnDeviceChange(object o, DeviceChangeArgs args)
{
/* device disconnected, pause capture */
if (args.DeviceChange == -1)
{
if (capturing)
{
TogglePause();
}
recbutton.Sensitive = false;
MessageDialog md = new MessageDialog((Gtk.Window) this.Toplevel, DialogFlags.Modal,
MessageType.Question, ButtonsType.Ok,
Catalog.GetString("Device disconnected. " +
"The capture will be paused"));
md.Icon = Stetic.IconLoader.LoadIcon(md, "longomatch", Gtk.IconSize.Dialog);
md.Run();
md.Destroy();
}
else
{
recbutton.Sensitive = true;
MessageDialog md = new MessageDialog((Gtk.Window) this.Toplevel, DialogFlags.Modal,
MessageType.Question, ButtonsType.YesNo,
Catalog.GetString("Device reconnected." +
"Do you want to restart the capture?"));
md.Icon = Stetic.IconLoader.LoadIcon(md, "longomatch", Gtk.IconSize.Dialog);
if (md.Run() == (int)ResponseType.Yes)
{
TogglePause();
}
md.Destroy();
}
}
void OnAvailabilityDeviceChanged(object sender, DeviceChangeArgs e)
{
if (!e.DevicePath.Contains(SearchPattern))
{
return;
}
DeviceInformation deviceInfo;
switch (e.ChangeType)
{
case DeviceChange.Added:
deviceInfo = DeviceManager.EnumerateAllDevices().First(d => d.Path == e.DevicePath);
Contract.Assert(!AvailableDevices.Contains(deviceInfo));
InsertDeviceInfo(deviceInfo);
Log.InfoFormat(Strings.USB_Device_Plugged_0, deviceInfo.Description);
break;
case DeviceChange.Removed:
deviceInfo = AvailableDevices.First(d => d.Path == e.DevicePath);
Contract.Assert(AvailableDevices.Contains(deviceInfo));
AvailableDevices.Remove(deviceInfo);
Log.InfoFormat(Strings.USB_Device_Unplugged_0, deviceInfo.Description);
break;
}
}
static void DeviceChangeSignalCallback(IntPtr arg0, int arg1, IntPtr gch)
{
DeviceChangeArgs args = new DeviceChangeArgs();
try {
GLib.Signal sig = ((GCHandle)gch).Target as GLib.Signal;
if (sig == null)
{
throw new Exception("Unknown signal GC handle received " + gch);
}
args.Args = new object[1];
args.Args [0] = arg1;
GlibDeviceChangeHandler handler = (GlibDeviceChangeHandler)sig.Handler;
handler(GLib.Object.GetObject(arg0), args);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException(e, false);
}
}
