/// <summary>
/// This method is used to prompt to login screen.
/// </summary>
/// <returns>True if sign in successfully, otherwise false</returns>
public async Task <bool> SignInAsync()
{
var success = false;
try
{
success = await GraphService.TryLoginAsync();
}
catch (Exception ex)
{
SignInFailed?.Invoke(this, new SignInFailedEventArgs(ex));
}
if (success)
{
AutomationProperties.SetName(this, string.Empty);
Flyout = GenerateMenuItems();
SignInCompleted?.Invoke(this, new SignInEventArgs()
{
GraphClient = GraphService.GraphProvider
});
return(true);
}
return(false);
}
public DevicePortalLoginControl()
{
InitializeComponent();
Loaded += DevicePortalLoginControl_Loaded;
Unloaded += DevicePortalLoginControl_Unloaded;
ViewModel.SignInCompleted += (s, e) => SignInCompleted?.Invoke(s, e);
ViewModel.IsCancelVisible = ShowCancelButton;
}
private MenuFlyout GenerateMenuItems()
{
MenuFlyout menuFlyout = new MenuFlyout();
if (AllowSignInAsDifferentUser)
{
MenuFlyoutItem signinanotherItem = new MenuFlyoutItem
{
Text = SignInAnotherUserDefaultText
};
AutomationProperties.SetName(signinanotherItem, SignInAnotherUserDefaultText);
signinanotherItem.Click += async(object sender, RoutedEventArgs e) =>
{
try
{
if (await GraphService.ConnectForAnotherUserAsync())
{
var graphClient = GraphService.GraphProvider;
SignInCompleted?.Invoke(this, new SignInEventArgs()
{
GraphClient = graphClient
});
CurrentUserId = (await GraphService.User.GetProfileAsync(new MicrosoftGraphUserFields[1] {
MicrosoftGraphUserFields.Id
})).Id;
}
}
catch (MsalServiceException ex)
{
// Swallow error in case of authentication cancellation.
if (ex.ErrorCode != "authentication_canceled" &&
ex.ErrorCode != "access_denied")
{
throw ex;
}
}
};
menuFlyout.Items.Add(signinanotherItem);
}
MenuFlyoutItem signoutItem = new MenuFlyoutItem
{
Text = SignOutDefaultText
};
AutomationProperties.SetName(signoutItem, SignOutDefaultText);
signoutItem.Click += async(object sender, RoutedEventArgs e) => await SignOutAsync();
menuFlyout.Items.Add(signoutItem);
return(menuFlyout);
}
public void TearDownVM()
{
if (!_finalSignInEventFired)
{
_finalSignInEventFired = true;
SignInCompleted?.Invoke(this, new SignInCompletedArgs
{
IsSuccessful = false,
IsUserInitiated = true,
});
}
}
/// <summary>
/// This method is used to prompt to login screen.
/// </summary>
/// <returns>True if sign in successfully, otherwise false</returns>
public async Task <bool> SignInAsync()
{
if (await GraphService.TryLoginAsync())
{
AutomationProperties.SetName(this, string.Empty);
Flyout = GenerateMenuItems();
SignInCompleted?.Invoke(this, new SignInEventArgs()
{
GraphClient = GraphService.GraphProvider
});
return(true);
}
return(false);
}
public async Task <bool> SignInAsync(bool isUserInitiated = false)
{
await _semaphoreSlim.WaitAsync();
try
{
// Don't try signing in again if we're already signed in
if (_isSignedIn)
{
return(true);
}
IsInputEnabled = false;
_isSignedIn = await DevicePortalUtil.IsSignedInAsync();
if (!_isSignedIn)
{
_isSignedIn = await DevicePortalUtil.SignInAsync(Username, Password);
}
_finalSignInEventFired = _isSignedIn;
SignInCompleted?.Invoke(this, new SignInCompletedArgs
{
IsSuccessful = _isSignedIn,
IsUserInitiated = isUserInitiated,
});
IsTransitionVisible = false;
IsVisible = IsSignInVisible = IsInputEnabled = !_isSignedIn;
return(_isSignedIn);
}
finally
{
_semaphoreSlim.Release();
}
}