VP1HttpGetFile Node1 VP1HttpGetFile - m_d + VP1HttpGetFile() + ~VP1HttpGetFile() + setMaxNumberOfPendingDownloads() + maxNumberOfPendingDownloads() + numberOfPendingDownloads() + isDownloading() + isDownloadingTo() + startDownload() - downloadThreadFinished() - downloadThreadTerminated() Node2 QObject Node2->Node1