Launcher.java 文件源码

private void exitCurrentApps() {
  final Frame[] prevFrames = Frame.getFrames();
  for(int i = 0, n = prevFrames.length; i<n; i++) {
    if(existingFrames.contains(prevFrames[i])) {
      continue; // don't mess with pre-existing frames such as the applet plugin
    }
    if(!(prevFrames[i] instanceof LauncherFrame)) {
      WindowListener[] listeners = prevFrames[i].getWindowListeners();
      for(int j = 0; j<listeners.length; j++) {
        listeners[j].windowClosing(null);
      }
      if(prevFrames[i].isVisible()) {
        prevFrames[i].dispose();
      }
    }
  }
}