public PsiVFSListener(Project project) {
myProject = project;
myFileTypeManager = FileTypeManager.getInstance();
myProjectRootManager = ProjectRootManager.getInstance(project);
myManager = (PsiManagerImpl) PsiManager.getInstance(project);
myFileManager = (FileManagerImpl) myManager.getFileManager();
myConnection = project.getMessageBus().connect(project);
StartupManager.getInstance(project)
.registerPreStartupActivity(
new Runnable() {
@Override
public void run() {
final BulkVirtualFileListenerAdapter adapter =
new BulkVirtualFileListenerAdapter(PsiVFSListener.this);
myConnection.subscribe(
VirtualFileManager.VFS_CHANGES,
new BulkFileListener() {
@Override
public void before(@NotNull List<? extends VFileEvent> events) {
adapter.before(events);
}
@Override
public void after(@NotNull List<? extends VFileEvent> events) {
myReportedUnloadedPsiChange = false;
adapter.after(events);
myReportedUnloadedPsiChange = false;
}
});
myConnection.subscribe(ProjectTopics.PROJECT_ROOTS, new MyModuleRootListener());
myConnection.subscribe(
FileTypeManager.TOPIC,
new FileTypeListener.Adapter() {
@Override
public void fileTypesChanged(@NotNull FileTypeEvent e) {
myFileManager.processFileTypesChanged();
}
});
myConnection.subscribe(
AppTopics.FILE_DOCUMENT_SYNC, new MyFileDocumentManagerAdapter());
myFileManager.markInitialized();
}
});
}
@Nullable
public String getInstalledPluginNameByPath(Project project, @NotNull VirtualFile pluginPath) {
VirtualFile pluginXml = pluginPath.findChild("plugin.xml");
if (pluginXml == null) return null;
PsiFile pluginXmlPsi = PsiManager.getInstance(project).findFile(pluginXml);
if (!(pluginXmlPsi instanceof XmlFile)) return null;
XmlTag rootTag = ((XmlFile) pluginXmlPsi).getRootTag();
if (rootTag == null || !"plugin".equals(rootTag.getName())) return null;
XmlAttribute attrName = rootTag.getAttribute("name");
if (attrName == null) return null;
String res = attrName.getValue();
if (res == null) return null;
res = res.trim();
if (res.length() == 0) return null;
return res;
}
/** @deprecated to remove in IDEA 16 */
@Nullable
public static PsiDirectory getPsiDirectory(
@NotNull final FindModel findModel, @NotNull Project project) {
VirtualFile directory = getDirectory(findModel);
return directory == null ? null : PsiManager.getInstance(project).findDirectory(directory);
}
private void installPropertiesChangeListeners() {
final VirtualFileManager virtualFileManager = VirtualFileManager.getInstance();
if (myVfsListener != null) {
assert false;
virtualFileManager.removeVirtualFileListener(myVfsListener);
}
myVfsListener =
new VirtualFileAdapter() {
@Override
public void fileCreated(@NotNull VirtualFileEvent event) {
if (PropertiesImplUtil.isPropertiesFile(event.getFile(), myProject)) {
recreateEditorsPanel();
}
}
@Override
public void fileDeleted(@NotNull VirtualFileEvent event) {
for (PropertiesFile file : myEditors.keySet()) {
if (Comparing.equal(file.getVirtualFile(), event.getFile())) {
recreateEditorsPanel();
return;
}
}
}
@Override
public void propertyChanged(@NotNull VirtualFilePropertyEvent event) {
if (PropertiesImplUtil.isPropertiesFile(event.getFile(), myProject)) {
if (VirtualFile.PROP_NAME.equals(event.getPropertyName())) {
recreateEditorsPanel();
} else {
updateEditorsFromProperties();
}
}
}
};
virtualFileManager.addVirtualFileListener(myVfsListener, this);
PsiTreeChangeAdapter psiTreeChangeAdapter =
new PsiTreeChangeAdapter() {
@Override
public void childAdded(@NotNull PsiTreeChangeEvent event) {
childrenChanged(event);
}
@Override
public void childRemoved(@NotNull PsiTreeChangeEvent event) {
childrenChanged(event);
}
@Override
public void childReplaced(@NotNull PsiTreeChangeEvent event) {
childrenChanged(event);
}
@Override
public void childMoved(@NotNull PsiTreeChangeEvent event) {
childrenChanged(event);
}
@Override
public void childrenChanged(@NotNull PsiTreeChangeEvent event) {
final PsiFile file = event.getFile();
PropertiesFile propertiesFile = PropertiesImplUtil.getPropertiesFile(file);
if (propertiesFile == null) return;
if (!propertiesFile.getResourceBundle().equals(myResourceBundle)) return;
updateEditorsFromProperties();
}
};
PsiManager.getInstance(myProject).addPsiTreeChangeListener(psiTreeChangeAdapter, this);
}
@NotNull
private TIntHashSet calcForwardRefs(
@NotNull final VirtualFile virtualFile, @NotNull final ProgressIndicator indicator)
throws IndexNotReadyException, ApplicationUtil.CannotRunReadActionException {
final TIntHashSet forward = new TIntHashSet();
final PsiFile psiFile =
ApplicationUtil.tryRunReadAction(
() -> {
if (myProject.isDisposed()) throw new ProcessCanceledException();
if (fileCount.incrementAndGet() % 100 == 0) {
PsiManager.getInstance(myProject).dropResolveCaches();
try {
storage.flush();
log.flush();
} catch (IOException e) {
LOG.error(e);
}
}
return PsiManager.getInstance(myProject).findFile(virtualFile);
});
final int fileId = getAbsId(virtualFile);
if (psiFile != null) {
bytesSize.addAndGet(virtualFile.getLength());
final Set<PsiElement> resolved = new THashSet<PsiElement>();
ApplicationUtil.tryRunReadAction(
new Runnable() {
@Override
public void run() {
indicator.checkCanceled();
if (psiFile instanceof PsiJavaFile) {
psiFile.accept(
new JavaRecursiveElementWalkingVisitor() {
@Override
public void visitReferenceElement(PsiJavaCodeReferenceElement reference) {
indicator.checkCanceled();
resolveReference(reference, resolved);
super.visitReferenceElement(reference);
}
});
} else {
psiFile.accept(
new PsiRecursiveElementWalkingVisitor() {
@Override
public void visitElement(PsiElement element) {
for (PsiReference reference : element.getReferences()) {
indicator.checkCanceled();
resolveReference(reference, resolved);
}
super.visitElement(element);
}
});
}
indicator.checkCanceled();
for (PsiElement element : resolved) {
PsiFile file = element.getContainingFile();
addIdAndSuperClasses(file, forward);
}
}
});
}
forward.remove(fileId);
return forward;
}
private void initListeners(@NotNull MessageBus messageBus, @NotNull PsiManager psiManager) {
messageBus
.connect()
.subscribe(
VirtualFileManager.VFS_CHANGES,
new BulkFileListener.Adapter() {
@Override
public void after(@NotNull List<? extends VFileEvent> events) {
fileCount.set(0);
List<VirtualFile> files =
ContainerUtil.mapNotNull(
events,
new Function<VFileEvent, VirtualFile>() {
@Override
public VirtualFile fun(VFileEvent event) {
return event.getFile();
}
});
queue(files, "VFS events " + events.size());
}
});
psiManager.addPsiTreeChangeListener(
new PsiTreeChangeAdapter() {
@Override
public void childrenChanged(@NotNull PsiTreeChangeEvent event) {
PsiFile file = event.getFile();
VirtualFile virtualFile = PsiUtilCore.getVirtualFile(file);
if (virtualFile != null) {
queue(Collections.singletonList(virtualFile), event);
}
}
@Override
public void propertyChanged(@NotNull PsiTreeChangeEvent event) {
childrenChanged(event);
}
});
messageBus
.connect()
.subscribe(
DumbService.DUMB_MODE,
new DumbService.DumbModeListener() {
@Override
public void enteredDumbMode() {
disable();
}
@Override
public void exitDumbMode() {
enable();
}
});
messageBus
.connect()
.subscribe(
PowerSaveMode.TOPIC,
new PowerSaveMode.Listener() {
@Override
public void powerSaveStateChanged() {
if (PowerSaveMode.isEnabled()) {
enable();
} else {
disable();
}
}
});
myApplication.addApplicationListener(
new ApplicationAdapter() {
@Override
public void beforeWriteActionStart(@NotNull Object action) {
disable();
}
@Override
public void writeActionFinished(@NotNull Object action) {
enable();
}
@Override
public void applicationExiting() {
disable();
}
},
this);
VirtualFileManager.getInstance()
.addVirtualFileManagerListener(
new VirtualFileManagerListener() {
@Override
public void beforeRefreshStart(boolean asynchronous) {
disable();
}
@Override
public void afterRefreshFinish(boolean asynchronous) {
enable();
}
},
this);
HeavyProcessLatch.INSTANCE.addListener(
new HeavyProcessLatch.HeavyProcessListener() {
@Override
public void processStarted() {}
@Override
public void processFinished() {
wakeUp();
}
},
this);
}
public long getModificationCount() {
return myModificationCount
+ PsiManager.getInstance(myProject)
.getModificationTracker()
.getOutOfCodeBlockModificationCount();
}
private PsiFile getCachedPsiFile(VirtualFile file) {
return ((PsiManagerEx) PsiManager.getInstance(myProject))
.getFileManager()
.getCachedPsiFile(file);
}
public long getPsiModificationCount() {
return PsiManager.getInstance(getProject()).getModificationTracker().getModificationCount();
}