_bufferSyncer = new BufferSyncer(this);
connect(bufferSyncer(), SIGNAL(lastSeenSet(BufferId, const QDateTime &)), this, SLOT(updateLastSeen(BufferId, const QDateTime &)));
connect(bufferSyncer(), SIGNAL(bufferRemoved(BufferId)), this, SLOT(bufferRemoved(BufferId)));
_bufferSyncer = new BufferSyncer(this);
connect(bufferSyncer(), SIGNAL(lastSeenSet(BufferId, const QDateTime &)), this, SLOT(updateLastSeen(BufferId, const QDateTime &)));
connect(bufferSyncer(), SIGNAL(bufferRemoved(BufferId)), this, SLOT(bufferRemoved(BufferId)));