public IDisposable Connect(IObservableDevice device)
{
DeviceType deviceType = device.DeviceType;
var observer = device.States
//.Where(state => DeviceStatesHelper.IsBusy(state) == false)
.Throttle(TimeSpan.FromSeconds(THROTTLE_SECONDS))
.DistinctUntilChanged()
.ObserveOnDispatcher()
.Subscribe(onNext: state => Device_StateChanged(device, state.State));
var currentState = device.States.Select(s => s.State).MostRecent(DeviceState.Disconnected).First();
DeviceStatus status;
if (_context.TryAddDevice(deviceType, currentState, out status))
{
StartedObservingDevice?.Invoke(this, status);
}
return(new CompositeDisposable
(
observer,
Disposable.Create(() =>
{
DeviceStatus lastStatus;
if (_context.TryRemoveDevice(deviceType, out lastStatus))
{
StoppedObservingDevice?.Invoke(this, lastStatus);
}
})
));
}