@Override
@NotNull
public synchronized VirtualFilePointer duplicate(
@NotNull VirtualFilePointer pointer,
@NotNull Disposable parent,
@Nullable VirtualFilePointerListener listener) {
VirtualFile file = pointer.getFile();
return file == null
? create(pointer.getUrl(), parent, listener)
: create(file, parent, listener);
}
@Override
public void before(@NotNull final List<? extends VFileEvent> events) {
cleanContainerCaches();
List<VirtualFilePointer> toFireEvents = new ArrayList<VirtualFilePointer>();
List<String> toUpdateUrl = new ArrayList<String>();
synchronized (VirtualFilePointerManagerImpl.this) {
for (VFileEvent event : events) {
if (event instanceof VFileDeleteEvent) {
final VFileDeleteEvent deleteEvent = (VFileDeleteEvent) event;
String url = deleteEvent.getFile().getPath();
addPointersUnder(url, true, toFireEvents);
} else if (event instanceof VFileCreateEvent) {
final VFileCreateEvent createEvent = (VFileCreateEvent) event;
String url = createEvent.getPath();
addPointersUnder(url, false, toFireEvents);
} else if (event instanceof VFileCopyEvent) {
final VFileCopyEvent copyEvent = (VFileCopyEvent) event;
String url = copyEvent.getNewParent().getPath() + "/" + copyEvent.getFile().getName();
addPointersUnder(url, false, toFireEvents);
} else if (event instanceof VFileMoveEvent) {
final VFileMoveEvent moveEvent = (VFileMoveEvent) event;
List<VirtualFilePointer> pointers = new ArrayList<VirtualFilePointer>();
addPointersUnder(moveEvent.getFile().getPath(), false, pointers);
for (VirtualFilePointer pointer : pointers) {
VirtualFile file = pointer.getFile();
if (file != null) {
toUpdateUrl.add(file.getPath());
}
}
} else if (event instanceof VFilePropertyChangeEvent) {
final VFilePropertyChangeEvent change = (VFilePropertyChangeEvent) event;
if (VirtualFile.PROP_NAME.equals(change.getPropertyName())) {
List<VirtualFilePointer> pointers = new ArrayList<VirtualFilePointer>();
addPointersUnder(change.getFile().getPath(), false, pointers);
for (VirtualFilePointer pointer : pointers) {
VirtualFile file = pointer.getFile();
if (file != null) {
toUpdateUrl.add(file.getPath());
}
}
}
}
}
myEvents = new ArrayList<EventDescriptor>();
for (VirtualFilePointerListener listener : myUrlToPointerMaps.keySet()) {
if (listener == null) continue;
EventDescriptor event = new EventDescriptor(listener, toFireEvents);
myEvents.add(event);
}
}
for (EventDescriptor event : myEvents) {
event.fireBefore();
}
if (!toFireEvents.isEmpty()) {
VirtualFilePointer[] arr =
toFireEvents.toArray(new VirtualFilePointer[toFireEvents.size()]);
myBus.syncPublisher(VirtualFilePointerListener.TOPIC).beforeValidityChanged(arr);
}
myPointersToUpdate = toFireEvents;
myUrlsToUpdate = toUpdateUrl;
}