endTask method
- DownloadTaskToken token, {
- required bool success,
Implementation
void endTask(DownloadTaskToken token, {required bool success}) {
if (!_completedTaskIds.add(token.id)) return;
final stepIndex = token.step.clamp(0, _stepCount);
_doneByStep[stepIndex] = (_doneByStep[stepIndex] ?? 0) + 1;
_emit();
}