public override UITableViewCell GetCell(UITableView tableView, NSIndexPath indexPath)
{
var cell = tableView.DequeueReusableCell(Key) as MetadataCell;
if (cell == null)
{
cell = new MetadataCell(Key);
}
var data = _metadata[indexPath.Row];
cell.SetMetadata(data);
return(cell);
}
public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
{
var data = _metadata[indexPath.Row];
var destPath = MetadataCell.GetThumbnailPath(data.Path);
if (_cts != null)
{
_cts.Cancel();
}
_cts = new CancellationTokenSource();
Services.Dropbox.LoadFileAsync(data.Path, destPath, (progress) => {
var cell = tableView.CellAt(indexPath) as MetadataCell;
if (cell != null)
{
cell.SetProgress(progress);
}
}, _cts.Token).ContinueWith(t => {
if (t.IsCanceled)
{
BeginInvokeOnMainThread(() => {
var cell = tableView.CellAt(indexPath) as MetadataCell;
if (cell != null)
{
cell.SetMetadata(data);
}
});
return;
}
else if (t.IsFaulted)
{
Console.WriteLine(t.Exception);
return;
}
var controller = (DropboxViewController)Controller.Target;
controller.ShowImage(destPath);
});
}
