PC Pro 1999 April/DPPCPRO0499.ISO/April/Netobjs/Install.exe/data1.cab/Components/AdBanner/DynamicBanner.class

Java Class File | 1998-12-16 | 6.0 KB | 238 lines

import java.applet.Applet;
import java.awt.Color;
import java.awt.Component;
import java.awt.Event;
import java.awt.Graphics;
import java.awt.Image;
import java.net.MalformedURLException;
import java.net.URL;

public class DynamicBanner extends Applet implements Runnable {
   Thread kicker;
   public Image image;
   BannerTransition transition;
   public int currentBanner;
   public int nextBanner;
   int numOfBanners;
   int numOfTransitionTypes;
   int currentTransitionType;
   long delay;
   boolean mouseInsideApplet;
   boolean mouseDown;
   int componentWidth;
   int componentHeight;
   int autoResize;
   public BannerData[] banners;
   String[] transitionClasses;

   public void finishInit() {
      if (this.delay == -1L) {
         String var1 = ((Applet)this).getParameter("delay");

         try {
            this.delay = Long.parseLong(var1);
         } catch (NumberFormatException var4) {
            this.delay = 3L;
         }

         this.transitionClasses = new String[this.numOfBanners];

         for(int var2 = 0; var2 < this.numOfBanners; ++var2) {
            var1 = ((Applet)this).getParameter("banner" + Integer.toString(var2));
            int var3 = var1.lastIndexOf(",");
            this.transitionClasses[var2] = var1.substring(var3 + 1) + "Transition";
         }

         this.banners[this.nextBanner].initPixels(this.componentWidth, this.componentHeight);
         this.mouseInsideApplet = false;
      }
   }

   public void init() {
      String var1 = ((Applet)this).getParameter("bgcolor");
      if (var1 != null) {
         Color var2 = new Color(Integer.parseInt(var1.substring(1), 16));
         ((Component)this).getParent().setBackground(var2);
         ((Component)this).getParent().repaint();
         ((Component)this).setBackground(var2);
      }

      var1 = ((Applet)this).getParameter("banner0");
      this.numOfBanners = 1;

      for(String var4 = ((Applet)this).getParameter("banner1"); var4 != null; var4 = ((Applet)this).getParameter("banner" + Integer.toString(this.numOfBanners))) {
         ++this.numOfBanners;
      }

      var1 = ((Applet)this).getParameter("autoResize");
      this.autoResize = Integer.parseInt(var1);
      this.banners = new BannerData[this.numOfBanners];
      int var6 = (int)(Math.random() * (double)this.numOfBanners);
      if (var6 > this.numOfBanners - 1) {
         var6 = this.numOfBanners - 1;
      }

      this.currentBanner = this.nextBanner = var6;
      this.componentWidth = ((Component)this).size().width;
      this.componentHeight = ((Component)this).size().height;

      while(!this.parseBannerData()) {
         if (++this.nextBanner >= this.numOfBanners) {
            this.nextBanner = 0;
         }
      }

      this.delay = -1L;
   }

   public boolean mouseUp(Event var1, int var2, int var3) {
      if (this.banners[this.currentBanner].link == null) {
         return false;
      } else {
         this.kicker.stop();
         ((Applet)this).getAppletContext().showDocument(this.banners[this.currentBanner].link);
         return true;
      }
   }

   public void paint(Graphics var1) {
      var1.drawImage(this.image, 0, 0, Color.white, this);
   }

   boolean parseBannerData() {
      String var1 = ((Applet)this).getParameter("banner" + Integer.toString(this.nextBanner));
      int var2 = var1.indexOf(",");
      int var3 = var1.lastIndexOf(",");
      String var4 = var1.substring(0, var2);
      if (var4.length() <= 0) {
         return false;
      } else {
         Image var5 = ((Applet)this).getImage(((Applet)this).getDocumentBase(), var4);
         var1 = var1.substring(var2 + 1, var3);

         URL var6;
         try {
            var6 = new URL(((Applet)this).getDocumentBase(), var1);
         } catch (MalformedURLException var7) {
            var6 = null;
         }

         ((Component)this).prepareImage(var5, this);
         if (this.autoResize == 1) {
            if (var5.getWidth(this) != this.componentWidth || var5.getHeight(this) != this.componentHeight) {
               var5 = var5.getScaledInstance(this.componentWidth, this.componentHeight, 2);
               ((Component)this).prepareImage(var5, this);
            }
         } else {
            ((Component)this).prepareImage(var5, this);
         }

         this.banners[this.nextBanner] = new BannerData(var6, var5);
         if (this.image == null) {
            this.image = var5;
         } else {
            this.banners[this.nextBanner].initPixels(this.componentWidth, this.componentHeight);
         }

         return true;
      }
   }

   public void run() {
      while((((Component)this).checkImage(this.image, this) & 16) == 0 && (((Component)this).checkImage(this.image, this) & 32) == 0) {
         try {
            Thread.sleep(600L);
         } catch (InterruptedException var5) {
         }
      }

      this.finishInit();

      while(Thread.currentThread() == this.kicker) {
         long var1 = System.currentTimeMillis() + this.delay * 1000L;
         this.currentBanner = this.nextBanner;
         if (++this.nextBanner >= this.numOfBanners) {
            this.nextBanner = 0;
         }

         if (this.banners[this.nextBanner] == null) {
            while(!this.parseBannerData()) {
               if (++this.nextBanner >= this.numOfBanners) {
                  this.nextBanner = 0;
               }
            }

            try {
               Thread.sleep(120L);
            } catch (InterruptedException var6) {
            }
         }

         this.currentTransitionType = this.currentBanner;

         try {
            this.transition = (BannerTransition)Class.forName(this.transitionClasses[this.currentTransitionType]).newInstance();
            this.transition.initialize(this, this.componentWidth, this.componentHeight);
         } catch (Exception var10) {
            ((Throwable)var10).printStackTrace();
         }

         if (System.currentTimeMillis() < var1) {
            try {
               Thread.sleep(var1 - System.currentTimeMillis());
            } catch (InterruptedException var9) {
            }
         }

         Graphics var3 = ((Component)this).getGraphics();

         for(int var4 = 0; var4 < this.transition.numOfFrames; ++var4) {
            this.image = this.transition.frames[var4];
            var3.drawImage(this.image, 0, 0, this);
            ((Component)this).getToolkit().sync();

            try {
               Thread.sleep((long)this.transition.delay);
            } catch (InterruptedException var8) {
            }
         }

         this.image = this.banners[this.nextBanner].image;
         var3.drawImage(this.image, 0, 0, this);
         ((Component)this).getToolkit().sync();
         var3.dispose();
         this.transition.clearFrames();
         this.transition = null;

         try {
            Thread.sleep(120L);
         } catch (InterruptedException var7) {
         }
      }

   }

   public void start() {
      if (this.kicker == null) {
         this.nextBanner = this.currentBanner;
         this.image = this.banners[this.currentBanner].image;
         this.transition = null;
         this.kicker = new Thread(this);
         this.kicker.start();
      }

   }

   public void stop() {
      if (this.kicker != null) {
         this.kicker.stop();
         this.kicker = null;
      }

   }

   public void update(Graphics var1) {
      this.paint(var1);
   }
}