public void show(NotificationWindow notification) {
SwingUI.checkEventDispatchThread();
if (layout.size() < limit) {
layout.add(notification);
notification.addWindowListener(new RemoveListener());
notification.setVisible(true);
}
}
@Override
public void listChanged(ListEvent<Object> listChanges) {
updates.beginEvent(true);
while (listChanges.next()) {
int index = listChanges.getIndex();
int type = listChanges.getType();
if (type == ListEvent.INSERT || type == ListEvent.UPDATE) {
Match<Object, File> match = getMatch(index);
// create new future
final FormattedFuture future =
new FormattedFuture(match, getFormatter(match), getMatchContext());
// update data
if (type == ListEvent.INSERT) {
futures.add(index, future);
updates.elementInserted(index, future);
} else if (type == ListEvent.UPDATE) {
// set new future, dispose old future
FormattedFuture obsolete = futures.set(index, future);
cancel(obsolete);
// Don't update view immediately, to avoid irritating flickering,
// caused by a rapid succession of change events.
// The worker may only need a couple of milliseconds to complete,
// so the view will be notified of the change soon enough.
SwingUI.invokeLater(
50,
new Runnable() {
@Override
public void run() {
// task has not been started, no change events have been sent as of yet,
// fire change event now
if (future.getState() == StateValue.PENDING) {
future.firePropertyChange("state", null, StateValue.PENDING);
}
}
});
}
// observe and enqueue worker task
submit(future);
} else if (type == ListEvent.DELETE) {
// remove future from data and formatter queue
FormattedFuture obsolete = futures.remove(index);
cancel(obsolete);
updates.elementDeleted(index, obsolete);
}
}
updates.commitEvent();
}