public void update(Playlist p) {
Playlist oldP = this.p;
this.p = p;
// Any items on the old list that aren't on the new, stop finding
// sources for them
for (String streamId : oldP.getStreamIds()) {
if (!p.getStreamIds().contains(streamId)) control.stopFindingSources(streamId, this);
}
updateLock.lock();
try {
regenEventList();
} finally {
updateLock.unlock();
}
if (canEdit || activated) activate();
}
public static PlaylistTableModel create(RobonoboFrame frame, Playlist p, boolean canEdit) {
List<Track> trax = new ArrayList<Track>();
for (String sid : p.getStreamIds()) {
trax.add(frame.ctrl.getTrack(sid));
}
EventList<Track> el = GlazedLists.eventList(trax);
return new PlaylistTableModel(frame, p, canEdit, el, null);
}
/** Must only be called from inside updateLock */
protected void regenEventList() {
eventList.clear();
trackIndices.clear();
int i = 0;
for (String sid : p.getStreamIds()) {
eventList.add(control.getTrack(sid));
trackIndices.put(sid, i++);
}
}
public void activate() {
if (!activated) {
activated = true;
// Make sure we've got fresh info for all our tracks
for (String sid : p.getStreamIds()) {
Track t = control.getTrack(sid);
if (t instanceof CloudTrack) control.findSources(sid, this);
trackUpdated(sid, t);
}
}
}
/**
* If any of these streams are already in this playlist, they will be removed before being added
* in their new position
*/
public void addStreams(List<String> streamIds, int position) {
if (!canEdit) throw new SeekInnerCalmException();
updateLock.lock();
try {
// Rather than buggering about inside our eventlist, we re-order the playlist and then just
// re-add the whole
// list again
// First, scan through our playlist and remove any that are in this
// list (they're being moved)
for (Iterator<String> iter = p.getStreamIds().iterator(); iter.hasNext(); ) {
String pStreamId = iter.next();
if (streamIds.contains(pStreamId)) iter.remove();
}
if (position > p.getStreamIds().size()) position = p.getStreamIds().size();
// Put the new streams in the right spot
p.getStreamIds().addAll(position, streamIds);
// Now regenerate our tracks
regenEventList();
} finally {
updateLock.unlock();
}
runPlaylistUpdate();
}
@Override
public void deleteTracks(List<String> streamIds) {
if (!canDelete) throw new SeekInnerCalmException();
updateLock.lock();
try {
for (String sid : streamIds) {
p.getStreamIds().remove(sid);
control.stopFindingSources(sid, this);
}
regenEventList();
} finally {
updateLock.unlock();
}
runPlaylistUpdate();
}
protected PlaylistTableModel(
RobonoboFrame frame, Playlist p, boolean canEdit, EventList<Track> el, SortedList<Track> sl) {
super(frame, el, sl, null);
this.p = p;
this.canEdit = canEdit;
this.canDelete = canEdit;
int i = 0;
for (String sid : p.getStreamIds()) {
trackIndices.put(sid, i++);
}
if (canEdit) {
control
.getExecutor()
.execute(
new CatchingRunnable() {
public void doRun() throws Exception {
activate();
}
});
}
}
public void nuke() {
control.removeTrackListener(this);
for (String streamId : p.getStreamIds()) {
control.stopFindingSources(streamId, this);
}
}
