Window.java 文件源码

protected void processWindowFocusEvent(WindowEvent e) {
    try{
    WindowFocusListener[] wl = getWindowFocusListeners();
    if(wl == null){
        return;
    }
       switch (e.getID()) {
           case WindowEvent.WINDOW_GAINED_FOCUS:
            DebugLogger.log("fire WindowListener.windowGainedFocus.");
            for (int i = 0; i < wl.length; i++) {
                wl[i].windowGainedFocus(e);
            }
               break;
           case WindowEvent.WINDOW_LOST_FOCUS:
            DebugLogger.log("fire WindowListener.windowLostFocus.");
            for (int i = 0; i < wl.length; i++) {
                wl[i].windowLostFocus(e);
            }
               break;
           default:
               break;
       }
    }catch (Throwable ex) {
        ex.printStackTrace();
    }
}