VP1WebWatcher::Imp Node1 VP1WebWatcher::Imp + recheckInterval_ms + watchedUrls + Imp() + startDownload() + ensureEndThread() Node2 VP1WebWatcher + VP1WebWatcher() + VP1WebWatcher() + ~VP1WebWatcher() + addUrl() + addUrls() + urls() + isWatchingUrl() + removeUrl() + removeUrls() + lastResult() + lastResultToString() + lastModTime() # timerEvent() - httpRequestDone() Node1->Node2 -m_d Node2->Node1 +theclass Node3 QObject Node3->Node2