private async Task NavigateBackAsync()
{
if (_currentFolder != null)
{
IOneDriveStorageFolder currentFolder = null;
Shell.Current.DisplayWaitRing = true;
try
{
if (!string.IsNullOrEmpty(_currentFolder.Path))
{
currentFolder = await _rootFolder.GetFolderAsync(_currentFolder.Path);
}
else
{
currentFolder = _rootFolder;
}
OneDriveItemsList.ItemsSource = currentFolder.GetItemsAsync();
_currentFolder = currentFolder;
}
catch (ServiceException ex)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(ex);
}
finally
{
Shell.Current.DisplayWaitRing = false;
}
}
}
private async Task NavigateToFolderAsync(IOneDriveStorageItem item)
{
if (item.IsFolder())
{
Shell.Current.DisplayWaitRing = true;
try
{
var currentFolder = await _currentFolder.GetFolderAsync(item.Name);
OneDriveItemsList.ItemsSource = currentFolder.GetItemsAsync();
_currentFolder = currentFolder;
}
catch (ServiceException ex)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(ex);
}
finally
{
Shell.Current.DisplayWaitRing = false;
}
}
}
private async Task SigninAsync(int indexProvider, string appClientId)
{
if (!await Tools.CheckInternetConnectionAsync())
{
return;
}
Shell.Current.DisplayWaitRing = true;
bool succeeded = false;
try
{
// OnlineId
if (indexProvider == 0)
{
OneDriveService.Instance.Initialize();
}
else if (indexProvider == 1)
{
OneDriveService.Instance.Initialize(appClientId, AccountProviderType.Msa, OneDriveScopes.OfflineAccess | OneDriveScopes.ReadWrite);
}
else if (indexProvider == 2)
{
OneDriveService.Instance.Initialize(appClientId, AccountProviderType.Adal);
}
else if (indexProvider == 3)
{
OneDriveService.Instance.Initialize(appClientId, AccountProviderType.Msal);
}
if (!await OneDriveService.Instance.LoginAsync())
{
throw new Exception("Unable to sign in");
}
_currentFolder = _rootFolder = await OneDriveService.Instance.RootFolderAsync();
OneDriveItemsList.ItemsSource = _rootFolder.GetItemsAsync();
succeeded = true;
}
catch (ServiceException serviceEx)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(serviceEx);
}
catch (Exception ex)
{
await OneDriveSampleHelpers.DisplayMessageAsync(ex.Message);
TrackingManager.TrackException(ex);
}
finally
{
Shell.Current.DisplayWaitRing = false;
}
if (succeeded)
{
FilesBox.Visibility = Visibility.Visible;
UserBox.Visibility = Visibility.Visible;
ClientIdBox.Visibility = Visibility.Collapsed;
ClientIdHelper.Visibility = Visibility.Collapsed;
LogOutButton.Visibility = Visibility.Visible;
ConnectButton.Visibility = Visibility.Collapsed;
menuButton.Visibility = Visibility.Visible;
BackButton.Visibility = Visibility.Visible;
}
else
{
FilesBox.Visibility = Visibility.Collapsed;
UserBox.Visibility = Visibility.Collapsed;
ClientIdBox.Visibility = Visibility.Visible;
ClientIdHelper.Visibility = Visibility.Visible;
LogOutButton.Visibility = Visibility.Collapsed;
ConnectButton.Visibility = Visibility.Visible;
menuButton.Visibility = Visibility.Collapsed;
BackButton.Visibility = Visibility.Collapsed;
}
}