package nl.tudelft.simulation.dsol.web.animation;
   
   import java.awt.Dialog.ModalExclusionType;
   import java.awt.Dialog.ModalityType;
   import java.awt.Dimension;
   import java.awt.EventQueue;
   import java.awt.Font;
   import java.awt.FontMetrics;
   import java.awt.Frame;
  import java.awt.HeadlessException;
  import java.awt.Image;
  import java.awt.PrintJob;
  import java.awt.Toolkit;
  import java.awt.datatransfer.Clipboard;
  import java.awt.font.TextAttribute;
  import java.awt.im.InputMethodHighlight;
  import java.awt.image.ColorModel;
  import java.awt.image.ImageObserver;
  import java.awt.image.ImageProducer;
  import java.net.URL;
  import java.util.Map;
  import java.util.Properties;
  
  import org.djutils.logger.CategoryLogger;
  
  import nl.tudelft.simulation.dsol.logger.Cat;
  
  /**
   * HTMLToolkit.java. <br>
   * <br>
   * Copyright (c) 2003-2023 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See
   * for project information <a href="https://www.simulation.tudelft.nl/" target="_blank">www.simulation.tudelft.nl</a>. The
   * source code and binary code of this software is proprietary information of Delft University of Technology.
   * @author <a href="https://www.tudelft.nl/averbraeck" target="_blank">Alexander Verbraeck</a>
   */
  public abstract class HTMLToolkit extends Toolkit
  {
      /** the queue of AWT events to process. */
      EventQueue eventQueue = new EventQueue();
  
      /**
       * 
       */
      public HTMLToolkit()
      {
      }
  
      /** {@inheritDoc} */
      @Override
      public Dimension getScreenSize() throws HeadlessException
      {
          CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.getScreenSize()");
          return null;
      }
  
      /** {@inheritDoc} */
      @Override
      public int getScreenResolution() throws HeadlessException
      {
          CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.getScreenResolution()");
          return 0;
      }
  
      /** {@inheritDoc} */
      @Override
      public ColorModel getColorModel() throws HeadlessException
      {
          CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.getColorModel()");
          return null;
      }
  
      /** {@inheritDoc} */
      @Override
      public String[] getFontList()
      {
          CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.getFontList()");
          return null;
      }
  
      /** {@inheritDoc} */
      @Override
      public FontMetrics getFontMetrics(Font font)
      {
          CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.getFontMetrics()");
          return null;
      }
  
      /** {@inheritDoc} */
      @Override
      public void sync()
      {
          CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.sync()");
      }
  
      /** {@inheritDoc} */
      @Override
      public Image getImage(String filename)
      {
          CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.getImage()");
         return null;
     }
 
     /** {@inheritDoc} */
     @Override
     public Image getImage(URL url)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.getImage()");
         return null;
     }
 
     /** {@inheritDoc} */
     @Override
     public Image createImage(String filename)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.createImage()");
         return null;
     }
 
     /** {@inheritDoc} */
     @Override
     public Image createImage(URL url)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.createImage()");
         return null;
     }
 
     /** {@inheritDoc} */
     @Override
     public boolean prepareImage(Image image, int width, int height, ImageObserver observer)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.prepareImage()");
         return false;
     }
 
     /** {@inheritDoc} */
     @Override
     public int checkImage(Image image, int width, int height, ImageObserver observer)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.checkImage()");
         return 0;
     }
 
     /** {@inheritDoc} */
     @Override
     public Image createImage(ImageProducer producer)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.createImage()");
         return null;
     }
 
     /** {@inheritDoc} */
     @Override
     public Image createImage(byte[] imagedata, int imageoffset, int imagelength)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.createImage()");
         return null;
     }
 
     /** {@inheritDoc} */
     @Override
     public PrintJob getPrintJob(Frame frame, String jobtitle, Properties props)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.getPrintJob()");
         return null;
     }
 
     /** {@inheritDoc} */
     @Override
     public void beep()
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.beep()");
     }
 
     /** {@inheritDoc} */
     @Override
     public Clipboard getSystemClipboard() throws HeadlessException
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.getSystemClipboard()");
         return null;
     }
 
     /** {@inheritDoc} */
     @Override
     protected EventQueue getSystemEventQueueImpl()
     {
         CategoryLogger.filter(Cat.WEB)
                 .trace("HTMLToolkit.getSystemEventQueueImpl() -- next event is " + this.eventQueue.peekEvent());
         return this.eventQueue;
     }
 
     /** {@inheritDoc} */
     @Override
     public boolean isModalityTypeSupported(ModalityType modalityType)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.isModalityTypeSupported()");
         return false;
     }
 
     /** {@inheritDoc} */
     @Override
     public boolean isModalExclusionTypeSupported(ModalExclusionType modalExclusionType)
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.isModalExclusionTypeSupported()");
         return false;
     }
 
     /** {@inheritDoc} */
     @Override
     public Map<TextAttribute, ?> mapInputMethodHighlight(InputMethodHighlight highlight) throws HeadlessException
     {
         CategoryLogger.filter(Cat.WEB).trace("HTMLToolkit.mapInputMethodHighlight()");
         return null;
     }
 
 }