public Task <DBMetadata> LoadFileTask(string path, string destPath, CancellationToken token = default(CancellationToken))
{
var tcs = new TaskCompletionSource <DBMetadata> ();
if (token.IsCancellationRequested)
{
tcs.TrySetCanceled();
return(tcs.Task);
}
// workaround: loadedFile selector is always defined in autogenerated delegate, hence using custom delegate
BeginInvokeOnMainThread(() => {
if (token.IsCancellationRequested)
{
tcs.TrySetCanceled();
return;
}
Delegate = new DBLoadFileRestClientDelegate {
OnFileMetadataLoaded = (_destPath, _contentType, _metadata) => {
if (token.IsCancellationRequested)
{
tcs.TrySetCanceled();
return;
}
tcs.TrySetResult(_metadata);
},
OnLoadFileFailed = (_error) => {
if (token.IsCancellationRequested)
{
tcs.TrySetCanceled();
return;
}
tcs.TrySetException(new DropboxException(_error));
},
OnLoadProgress = (_progress, _destPath) => {
if (token.IsCancellationRequested)
{
tcs.TrySetCanceled();
return;
}
if (this.OnLoadProgress != null)
{
this.OnLoadProgress(_progress, _destPath);
}
}
};
LoadFile(path, destPath);
});
return(tcs.Task);
}
public Task<DBMetadata> LoadFileTask(string path, string destPath, CancellationToken token = default (CancellationToken))
{
var tcs = new TaskCompletionSource<DBMetadata> ();
if (token.IsCancellationRequested) {
tcs.TrySetCanceled ();
return tcs.Task;
}
// workaround: loadedFile selector is always defined in autogenerated delegate, hence using custom delegate
BeginInvokeOnMainThread (() => {
if (token.IsCancellationRequested) {
tcs.TrySetCanceled ();
return;
}
Delegate = new DBLoadFileRestClientDelegate {
OnFileMetadataLoaded = (_destPath, _contentType, _metadata) => {
if (token.IsCancellationRequested) {
tcs.TrySetCanceled ();
return;
}
tcs.TrySetResult (_metadata);
},
OnLoadFileFailed = (_error) => {
if (token.IsCancellationRequested) {
tcs.TrySetCanceled ();
return;
}
tcs.TrySetException (new DropboxException (_error));
},
OnLoadProgress = (_progress, _destPath) => {
if (token.IsCancellationRequested) {
tcs.TrySetCanceled ();
return;
}
if (this.OnLoadProgress != null) this.OnLoadProgress (_progress, _destPath);
}
};
LoadFile (path, destPath);
});
return tcs.Task;
}
