private async Task RenameDeviceAsync()
{
try
{
var result = await _dialogService.ShowInputDialogAsync("Rename", "Enter a new name for the device", Device.Name, "Device name", "Rename", "Cancel", _disappearingTokenSource.Token);
if (result.IsOk)
{
if (string.IsNullOrWhiteSpace(result.Result))
{
await _dialogService.ShowMessageBoxAsync("Warning", "Device name can not be empty.", "Ok", _disappearingTokenSource.Token);
return;
}
await _dialogService.ShowProgressDialogAsync(
false,
async (progressDialog, token) => await Device.RenameDeviceAsync(Device, result.Result),
"Renaming...");
}
}
catch (OperationCanceledException)
{
}
}
public DeviceOutputViewModel(Device device, int channel)
{
Device = device;
Channel = channel;
Output = 0;
TouchUpCommand = new Command(() => Output = 0);
}
private async Task ConnectAsync()
{
_connectionTokenSource = new CancellationTokenSource();
DeviceConnectionResult connectionResult = DeviceConnectionResult.Ok;
await _dialogService.ShowProgressDialogAsync(
false,
async (progressDialog, token) =>
{
using (token.Register(() => _connectionTokenSource?.Cancel()))
{
connectionResult = await Device.ConnectAsync(
_reconnect,
OnDeviceDisconnected,
Enumerable.Empty <ChannelConfiguration>(),
true,
true,
_connectionTokenSource.Token);
}
},
Translate("Connecting"),
null,
Translate("Cancel"));
_connectionTokenSource.Dispose();
_connectionTokenSource = null;
if (Device.DeviceState == DeviceState.Connected)
{
_reconnect = true;
if (Device.DeviceType == DeviceType.BuWizz)
{
SetBuWizzOutputLevel(BuWizzOutputLevel);
}
else if (Device.DeviceType == DeviceType.BuWizz2)
{
SetBuWizzOutputLevel(BuWizz2OutputLevel);
}
}
else
{
if (!_isDisappearing)
{
if (connectionResult == DeviceConnectionResult.Error)
{
await _dialogService.ShowMessageBoxAsync(
Translate("Warning"),
Translate("FailedToConnect"),
Translate("Ok"),
_disappearingTokenSource.Token);
}
await NavigationService.NavigateBackAsync();
}
}
}
private void OnDeviceDisconnected(Device device)
{
_uIThreadService.RunOnMainThread(() =>
{
if (!_isDisappearing)
{
_connectionTask = ConnectAsync();
}
});
}
public override async void OnDisappearing()
{
_isDisappearing = true;
_disappearingTokenSource.Cancel();
if (_connectionTokenSource != null && _connectionTask != null)
{
_connectionTokenSource.Cancel();
await _connectionTask;
}
await Device.DisconnectAsync();
}
public override async void OnDisappearing()
{
_isDisappearing = true;
_disappearingTokenSource.Cancel();
Device.DeviceStateChanged -= DeviceStateChangedHandler;
if (_connectionTokenSource != null)
{
_connectionTokenSource.Cancel();
await _connectionTask;
}
await Device.DisconnectAsync();
}
private async Task DeleteDeviceAsync(Device device)
{
try
{
if (await _dialogService.ShowQuestionDialogAsync("Confirm", $"Are you sure to delete device {device.Name}?", "Yes", "No", _disappearingTokenSource.Token))
{
await _dialogService.ShowProgressDialogAsync(
false,
async (progressDialog, token) => await DeviceManager.DeleteDeviceAsync(device),
"Deleting...");
}
}
catch (OperationCanceledException)
{
}
}
private async Task ConnectAsync()
{
_connectionTokenSource = new CancellationTokenSource();
DeviceConnectionResult connectionResult = DeviceConnectionResult.Ok;
await _dialogService.ShowProgressDialogAsync(
false,
async (progressDialog, token) =>
{
token.Register(() => _connectionTokenSource.Cancel());
connectionResult = await Device.ConnectAsync(_connectionTokenSource.Token);
},
"Connecting...",
null,
"Cancel");
_connectionTokenSource.Dispose();
_connectionTokenSource = null;
if (Device.DeviceState == DeviceState.Connected)
{
if (Device.DeviceType == DeviceType.BuWizz)
{
SetBuWizzOutputLevel(BuWizzOutputLevel);
}
else if (Device.DeviceType == DeviceType.BuWizz2)
{
SetBuWizzOutputLevel(BuWizz2OutputLevel);
}
}
else
{
if (!_isDisappearing)
{
if (connectionResult == DeviceConnectionResult.Error)
{
await _dialogService.ShowMessageBoxAsync("Warning", "Failed to connect to device.", "Ok", _disappearingTokenSource.Token);
}
await NavigationService.NavigateBackAsync();
}
}
}
private async Task DeleteDeviceAsync(Device device)
{
try
{
if (await _dialogService.ShowQuestionDialogAsync(
Translate("Confirm"),
$"{Translate("AreYouSureToDeleteDevice")} '{device.Name}'?",
Translate("Yes"),
Translate("No"),
_disappearingTokenSource.Token))
{
await _dialogService.ShowProgressDialogAsync(
false,
async (progressDialog, token) => await DeviceManager.DeleteDeviceAsync(device),
Translate("Deleting"));
}
}
catch (OperationCanceledException)
{
}
}
private async Task RenameDeviceAsync()
{
try
{
var result = await _dialogService.ShowInputDialogAsync(
Device.Name,
Translate("DeviceName"),
Translate("Rename"),
Translate("Cancel"),
KeyboardType.Text,
(deviceName) => !string.IsNullOrEmpty(deviceName),
_disappearingTokenSource.Token);
if (result.IsOk)
{
if (string.IsNullOrWhiteSpace(result.Result))
{
await _dialogService.ShowMessageBoxAsync(
Translate("Warning"),
Translate("DeviceNameCanNotBeEmpty"),
Translate("Ok"),
_disappearingTokenSource.Token);
return;
}
await _dialogService.ShowProgressDialogAsync(
false,
async (progressDialog, token) => await Device.RenameDeviceAsync(Device, result.Result),
Translate("Renaming"),
token : _disappearingTokenSource.Token);
}
}
catch (OperationCanceledException)
{
}
}
private void SetBuWizzOutputLevel(int level)
{
Device.SetOutputLevel(level);
}
private void OnDeviceDisconnected(Device device)
{
}
private async Task ConnectAsync()
{
while (!_connectionTokenSource.IsCancellationRequested)
{
if (Device.DeviceState != DeviceState.Connected)
{
var connectionResult = DeviceConnectionResult.Ok;
var dialogResult = await _dialogService.ShowProgressDialogAsync(
false,
async (progressDialog, token) =>
{
using (token.Register(() => _connectionTokenSource?.Cancel()))
{
connectionResult = await Device.ConnectAsync(
_reconnect,
OnDeviceDisconnected,
Enumerable.Empty <ChannelConfiguration>(),
true,
true,
_connectionTokenSource.Token);
}
},
Translate("ConnectingTo"),
Device.Name,
Translate("Cancel"),
_connectionTokenSource.Token);
if (dialogResult.IsCancelled)
{
await Device.DisconnectAsync();
if (!_isDisappearing)
{
await NavigationService.NavigateBackAsync();
}
return;
}
else
{
if (connectionResult == DeviceConnectionResult.Error)
{
await _dialogService.ShowMessageBoxAsync(
Translate("Warning"),
Translate("FailedToConnect"),
Translate("Ok"),
_disappearingTokenSource.Token);
if (!_isDisappearing)
{
await NavigationService.NavigateBackAsync();
}
return;
}
else
{
if (Device.DeviceType == DeviceType.BuWizz)
{
SetBuWizzOutputLevel(BuWizzOutputLevel);
}
else if (Device.DeviceType == DeviceType.BuWizz2)
{
SetBuWizzOutputLevel(BuWizz2OutputLevel);
}
}
}
}
else
{
await Task.Delay(50);
}
}
}