public static async Task <bool> Connect(Page parentPage)
{
var waitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);
var connectPage = new ConnectDevicePage();
connectPage.Disappearing += (sender, e) => { waitHandle.Set(); };
await parentPage.Navigation.PushModalAsync(connectPage);
await Task.Run(() => waitHandle.WaitOne());
return(connected);
}
protected override async void OnAppearing()
{
base.OnAppearing();
if (!_reEntry)
{
_reEntry = true;
var device = SoterDeviceFactoryBle.Instance.CurrentDevice;
if ((device == null) || (!device.Connected))
{
if (!await ConnectDevicePage.Connect(this))
{
await Navigation.PopModalAsync();
return;
}
}
try
{
device = SoterDeviceFactoryBle.Instance.CurrentDevice;
deviceName.Text = device.Name;
PinPage.ParentPage = this;
device.DeviceButtonRequestCallback += Device_DeviceButtonRequestCallback;
try
{
while (_processStep < _selectedProcess.Count)
{
var currentState = _selectedProcess[_processStep];
switch (currentState)
{
case CommState.WipeDevice:
messageLabel.Text = AppResources.ConfirmWipeMessage;
await SoterDeviceFactoryBle.Instance.CurrentDevice.WipeDeviceAsync();
_state = CommState.ResetDevice;
break;
case CommState.ResetDevice:
messageLabel.Text = AppResources.InitializeDeviceMessage;
await SoterDeviceFactoryBle.Instance.CurrentDevice.ResetDeviceAsync(_deviceLabel);
_state = CommState.UpdateCoinTable;
break;
case CommState.UpdateCoinTable:
messageLabel.Text = AppResources.LoadingMessage;
await device.InitializeAsync();
Repository.SaveCurrentDeviceToDb(device);
await Repository.LoadCoinTableFromDeviceAsync(device);
break;
case CommState.SignBitcoinTx:
await device.InitializeAsync();
_bitcoinTX.SerializedTx = await device.SignTransactionAsync(_bitcoinTX);
break;
}
_processStep++;
}
}
finally
{
PinPage.ParentPage = null;
device.DeviceButtonRequestCallback -= Device_DeviceButtonRequestCallback;
device.Disconnect();
await Navigation.PopModalAsync();
}
}
catch (Exception ex)
{
Log.Error(ex.ToString());
}
_waitHandle.Set();
}
}