protected async Task SetStateAsync(DeviceState newState, bool isError)
{
await _uiThreadService.RunOnMainThread(() =>
{
var oldState = DeviceState;
DeviceState = newState;
DeviceStateChanged?.Invoke(this, new DeviceStateChangedEventArgs(oldState, newState, isError));
});
}
private void OnDeviceDisconnected(Device device)
{
_uIThreadService.RunOnMainThread(() =>
{
if (!_isDisappearing)
{
_connectionTask = ConnectAsync();
}
});
}
public async Task <bool> ScanAsync(CancellationToken token)
{
using (await _asyncLock.LockAsync())
{
IsScanning = true;
try
{
var infraScan = _infraredDeviceManager.ScanAsync(FoundDevice, token);
var bluetoothScan = _bluetoothDeviceManager.ScanAsync(FoundDevice, token);
await Task.WhenAll(infraScan, bluetoothScan);
return(infraScan.Result && bluetoothScan.Result);
}
catch (Exception)
{
return(false);
}
finally
{
IsScanning = false;
}
}
async Task FoundDevice(DeviceType deviceType, string deviceName, string deviceAddress, byte[] deviceData)
{
using (await _foundDeviceLock.LockAsync())
{
if (Devices.Any(d => d.DeviceType == deviceType && d.Address == deviceAddress))
{
return;
}
var device = _deviceFactory(deviceType, deviceName, deviceAddress, deviceData);
if (device != null)
{
await _deviceRepository.InsertDeviceAsync(device.DeviceType, device.Name, device.Address, deviceData);
await _uiThreadService.RunOnMainThread(() => Devices.Add(device));
}
}
}
}