private async void FileSendRequestReceivedHandler(object sender,
ToxEventArgs.FileSendRequestEventArgs e)
{
if (e.FileKind != ToxFileKind.Data || e.FriendNumber != _friendNumber)
{
return;
}
var fileId = _toxModel.FileGetId(e.FriendNumber, e.FileNumber);
var resumeData = await _fileTransferResumer.GetDownloadData(fileId);
OneFileTransferModel oneFileTransferModel;
// If we could find the resume data for this download, we resume it instead of handling it as a new transfer.
if (resumeData != null)
{
oneFileTransferModel =
await
OneBrokenFileTransferModel.CreateInstance(_dataService, e.FriendNumber, e.FileNumber,
resumeData.File.Name,
e.FileSize, TransferDirection.Down, resumeData.File, resumeData.TransferredBytes);
}
else
{
// We add a transfer with a null value instead of an actual stream here. We will replace it with an actual file stream
// in OneFileTransferModel.AcceptTransfer() when the user accepts the request and chooses a location to save the file to.
oneFileTransferModel =
await
OneFileTransferModel.CreateInstance(_dataService, e.FriendNumber, e.FileNumber, e.FileName,
e.FileSize,
TransferDirection.Down, null);
}
FileTransferAdded?.Invoke(this, oneFileTransferModel);
}
public OneFileTransferViewModel(FileTransfersViewModel fileTransfersViewModel,
OneFileTransferModel oneFileTransferModel)
{
_fileTransfersViewModel = fileTransfersViewModel;
_oneFileTransferModel = oneFileTransferModel;
_oneFileTransferModel.PropertyChanged += ModelPropertyChangedHandler;
_progressUpdater = new ProgressUpdater(this);
}
public async Task <OneFileTransferModel> SendFile(StorageFile file)
{
var fileSizeInBytes = await GetFileSizeInBytes(file);
bool successfulFileSend;
var fileInfo = _toxModel.FileSend(_friendNumber, ToxFileKind.Data, fileSizeInBytes, file.Name,
out successfulFileSend);
if (successfulFileSend)
{
var transferModel =
await OneFileTransferModel.CreateInstance(_dataService, _friendNumber, fileInfo.Number, file.Name,
fileSizeInBytes, TransferDirection.Up, file);
return(transferModel);
}
return(null);
}
private void AddTransfer(OneFileTransferModel fileTransferModel)
{
var fileTransferViewModel = new OneFileTransferViewModel(this, fileTransferModel);
if (Transfers.Contains(fileTransferViewModel))
return;
Transfers.Add(fileTransferViewModel);
if (VisualStates.BlockState == FileTransfersVisualStates.TransfersBlockState.Invisible)
{
VisualStates.BlockState = FileTransfersVisualStates.TransfersBlockState.Open;
}
}
private async void FileTransferAddedHandler(object sender, OneFileTransferModel e)
{
await
CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() => { AddTransfer(e); });
}
