WindowHandler.java

package sk.stuba.fiit.perconik.core.resources;

import org.eclipse.swt.widgets.Display;

import sk.stuba.fiit.perconik.core.listeners.WindowListener;
import sk.stuba.fiit.perconik.eclipse.ui.Workbenches;

enum WindowHandler implements Handler<WindowListener> {
  INSTANCE;

  public final void register(final WindowListener listener) {
    final Runnable addListener = new Runnable() {
      public void run() {
        Workbenches.waitForWorkbench().addWindowListener(listener);
      }
    };

    Display.getDefault().asyncExec(addListener);
  }

  public final void unregister(final WindowListener listener) {
    final Runnable removeListener = new Runnable() {
      public void run() {
        Workbenches.waitForWorkbench().removeWindowListener(listener);
      }
    };

    Display.getDefault().asyncExec(removeListener);
  }
}