@Override
public void runActivity(@NotNull Project project) {
    if (!ApplicationManager.getApplication().isHeadlessEnvironment()) {
        final EditorEventMulticaster eventMulticaster = EditorFactory.getInstance().getEventMulticaster();
        final PsiDocumentManager psiDocumentManager = PsiDocumentManager.getInstance(project);
        eventMulticaster.addCaretListener(new CaretListener() {
            @Override
            public void caretPositionChanged(CaretEvent e) {
                final PsiFile psiFile = psiDocumentManager.getPsiFile(e.getEditor().getDocument());
                if (psiFile instanceof GraphQLFile) {
                    int offset = e.getEditor().logicalPositionToOffset(e.getNewPosition());
                    psiFile.putUserData(CARET_OFFSET, offset);
                }
            }
        }, project);
    }
}
 

public WidgetIndentsHighlightingPassFactory(@NotNull Project project) {
  this.project = project;
  flutterDartAnalysisService = FlutterDartAnalysisServer.getInstance(project);
  this.editorOutlineService = ActiveEditorsOutlineService.getInstance(project);
  this.inspectorGroupManagerService = InspectorGroupManagerService.getInstance(project);
  this.editorEventService = EditorMouseEventService.getInstance(project);
  this.editorPositionService = EditorPositionService.getInstance(project);
  this.settingsListener = new SettingsListener();
  this.outlineListener = this::updateEditor;

  TextEditorHighlightingPassRegistrar.getInstance(project)
    .registerTextEditorHighlightingPass(this, TextEditorHighlightingPassRegistrar.Anchor.AFTER, Pass.UPDATE_FOLDING, false, false);

  syncSettings(FlutterSettings.getInstance());
  FlutterSettings.getInstance().addListener(settingsListener);

  final EditorEventMulticaster eventMulticaster = EditorFactory.getInstance().getEventMulticaster();
  eventMulticaster.addCaretListener(new CaretListener() {
    @Override
    public void caretPositionChanged(@NotNull CaretEvent event) {
      final Editor editor = event.getEditor();
      if (editor.getProject() != project) return;
      if (editor.isDisposed() || project.isDisposed()) return;
      if (!(editor instanceof EditorEx)) return;
      final EditorEx editorEx = (EditorEx)editor;
      WidgetIndentsHighlightingPass.onCaretPositionChanged(editorEx, event.getCaret());
    }
  }, this);
  editorOutlineService.addListener(outlineListener);
}
 

public WidgetIndentsHighlightingPassFactory(@NotNull Project project) {
  this.project = project;
  flutterDartAnalysisService = FlutterDartAnalysisServer.getInstance(project);
  this.editorOutlineService = ActiveEditorsOutlineService.getInstance(project);
  this.inspectorGroupManagerService = InspectorGroupManagerService.getInstance(project);
  this.editorEventService = EditorMouseEventService.getInstance(project);
  this.editorPositionService = EditorPositionService.getInstance(project);
  this.settingsListener = new SettingsListener();
  this.outlineListener = this::updateEditor;

  TextEditorHighlightingPassRegistrar.getInstance(project)
    .registerTextEditorHighlightingPass(this, TextEditorHighlightingPassRegistrar.Anchor.AFTER, Pass.UPDATE_FOLDING, false, false);

  syncSettings(FlutterSettings.getInstance());
  FlutterSettings.getInstance().addListener(settingsListener);

  final EditorEventMulticaster eventMulticaster = EditorFactory.getInstance().getEventMulticaster();
  eventMulticaster.addCaretListener(new CaretListener() {
    @Override
    public void caretPositionChanged(@NotNull CaretEvent event) {
      final Editor editor = event.getEditor();
      if (editor.getProject() != project) return;
      if (editor.isDisposed() || project.isDisposed()) return;
      if (!(editor instanceof EditorEx)) return;
      final EditorEx editorEx = (EditorEx)editor;
      WidgetIndentsHighlightingPass.onCaretPositionChanged(editorEx, event.getCaret());
    }
  }, this);
  editorOutlineService.addListener(outlineListener);
}
 

private void startListener() {
    if (LISTENING.compareAndSet(false, true))
        ApplicationManager.getApplication().invokeLater(new Runnable() {
            public void run() {
                ApplicationManager.getApplication().runWriteAction(new Runnable() {
                    public void run() {
                        VirtualFileManager.getInstance().addVirtualFileListener(new SassLintConfigFileVfsListener(), SassLintConfigFileListener.this.project);
                        EditorEventMulticaster multicaster = EditorFactory.getInstance().getEventMulticaster();
                        multicaster.addDocumentListener(new SassLintConfigFileDocumentListener(), SassLintConfigFileListener.this.project);
                    }
                });
            }
        });
}
 

private void startListener() {
    if (LISTENING.compareAndSet(false, true))
        ApplicationManager.getApplication().invokeLater(new Runnable() {
            public void run() {
                ApplicationManager.getApplication().runWriteAction(new Runnable() {
                    public void run() {
                        VirtualFileManager.getInstance().addVirtualFileListener(new ESLintConfigFileVfsListener(), ESLintConfigFileListener.this.project);
                        EditorEventMulticaster multicaster = EditorFactory.getInstance().getEventMulticaster();
                        multicaster.addDocumentListener(new ESLintConfigFileDocumentListener(), ESLintConfigFileListener.this.project);
                    }
                });
            }
        });
}
 

@Override
public void install(@Nonnull StatusBar statusBar) {
  super.install(statusBar);
  KeyboardFocusManager.getCurrentKeyboardFocusManager()
          .addPropertyChangeListener(SWING_FOCUS_OWNER_PROPERTY, evt -> propertyChange(new PropertyChangeEvent(evt.getSource(), evt.getPropertyName(), evt.getOldValue(), evt.getNewValue())));
  Disposer.register(this, () -> KeyboardFocusManager.getCurrentKeyboardFocusManager()
          .removePropertyChangeListener(SWING_FOCUS_OWNER_PROPERTY, evt -> propertyChange(new PropertyChangeEvent(evt.getSource(), evt.getPropertyName(), evt.getOldValue(), evt.getNewValue()))));
  EditorEventMulticaster multicaster = EditorFactory.getInstance().getEventMulticaster();
  if (multicaster instanceof EditorEventMulticasterEx) {
    ((EditorEventMulticasterEx)multicaster).addPropertyChangeListener(this, this);
  }
}
 

@Override
@Nonnull
public EditorEventMulticaster getEventMulticaster() {
  return new MockEditorEventMulticaster();
}
 

@Override
@Nonnull
public EditorEventMulticaster getEventMulticaster() {
  return myEditorEventMulticaster;
}
 

/**
 * Returns the service for attaching event listeners to all editor instances.
 */
@Nonnull
public abstract EditorEventMulticaster getEventMulticaster();