Australian PC Authority 2001 February/FEB2001.BIN/INTERNET/OPERA/CNET-Opera5_final_java.exe/OPERA.JAR/opera/PluginContext.class

Java Class File | 2000-08-15 | 5.1 KB | 244 lines

package opera;

import java.applet.Applet;
import java.applet.AppletContext;
import java.applet.AudioClip;
import java.awt.Image;
import java.awt.Toolkit;
import java.io.IOException;
import java.net.URL;
import java.security.AllPermission;
import java.security.Permission;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
import sun.applet.AppletAudioClip;
import sun.awt.image.URLImageSource;

public class PluginContext implements AppletContext {
   protected static Object opera_mutex = new Object();
   private static Hashtable audioCache = new Hashtable();
   private Hashtable panels = new Hashtable();
   public int document_ptr = 0;
   private int nextInstance = 0;
   private PluginClassLoader loader = null;
   private static Hashtable imageCache = new Hashtable();

   public PluginContext(int var1) {
      this.document_ptr = var1;
   }

   private static void checkConnect(URL var0) {
      SecurityManager var1 = System.getSecurityManager();
      if (var1 != null) {
         try {
            Permission var2 = var0.openConnection().getPermission();
            if (var2 != null) {
               var1.checkPermission(var2);
            } else {
               var1.checkConnect(var0.getHost(), var0.getPort());
            }
         } catch (IOException var3) {
            var1.checkConnect(var0.getHost(), var0.getPort());
         }
      }

   }

   protected void cleanup() {
      if (this.loader != null) {
         ThreadGroup var1 = this.loader.getThreadGroup();
         this.loader = null;
      }

   }

   void destroyPanel(int var1) {
      try {
         PluginPanel var2 = (PluginPanel)this.panels.get(new Integer(var1));
         if (var2 != null) {
            var2.destroyApplet();
            this.panels.remove(new Integer(var1));
         }

         if (this.panels.size() == 0) {
            PluginContextManager.deleteContext(this);
         }
      } catch (Exception var3) {
         ((Throwable)var3).printStackTrace(System.err);
      }

   }

   public Applet getApplet(String var1) {
      var1 = var1.toLowerCase();
      Hashtable var3 = this.panels;
      synchronized(var3){}

      Enumeration var2;
      try {
         var2 = this.panels.elements();
      } catch (Throwable var6) {
         throw var6;
      }

      while(var2.hasMoreElements()) {
         PluginPanel var8 = (PluginPanel)var2.nextElement();
         String var4 = var8.getParameter("name");
         if (var4 != null) {
            var4 = var4.toLowerCase();
         }

         if (var1.equals(var4)) {
            return var8.getApplet();
         }
      }

      return null;
   }

   public Enumeration getApplets() {
      Vector var1 = new Vector();
      Hashtable var3 = this.panels;
      synchronized(var3){}

      Enumeration var2;
      try {
         var2 = this.panels.elements();
      } catch (Throwable var5) {
         throw var5;
      }

      while(var2.hasMoreElements()) {
         var1.addElement(((PluginPanel)var2.nextElement()).getApplet());
      }

      return var1.elements();
   }

   public AudioClip getAudioClip(URL var1) {
      checkConnect(var1);
      Hashtable var3 = audioCache;
      synchronized(var3){}

      Object var2;
      try {
         Object var5 = (AudioClip)audioCache.get(var1);
         if (var5 == null) {
            var5 = new AppletAudioClip(var1);
            audioCache.put(var1, var5);
         }

         var2 = var5;
      } catch (Throwable var7) {
         throw var7;
      }

      return (AudioClip)var2;
   }

   public int getDocumentPtr() {
      return this.document_ptr;
   }

   public Image getImage(URL var1) {
      Hashtable var3 = imageCache;
      synchronized(var3){}

      Image var2;
      try {
         Image var5 = (Image)imageCache.get(var1);
         if (var5 == null) {
            var5 = Toolkit.getDefaultToolkit().createImage(new URLImageSource(var1));
            imageCache.put(var1, var5);
         }

         var2 = var5;
      } catch (Throwable var7) {
         throw var7;
      }

      return var2;
   }

   public native int getJSWindow();

   public PluginPanel getPanel(int var1) {
      return (PluginPanel)this.panels.get(new Integer(var1));
   }

   public static void init(String[] var0) throws SecurityException {
      SecurityManager var1 = System.getSecurityManager();
      if (var1 != null) {
         var1.checkPermission(new AllPermission());
      }

      for(int var2 = 0; var2 < var0.length / 2; ++var2) {
         System.setProperty(var0[var2 * 2], var0[var2 * 2 + 1]);
      }

      URL.setURLStreamHandlerFactory(new StreamHandlerFactory());
   }

   public int newPanel(String[] var1, String[] var2, String[] var3, String[] var4, String var5) {
      try {
         Hashtable var6 = new Hashtable();

         for(int var7 = 0; var7 < var3.length; ++var7) {
            var6.put(var3[var7].toLowerCase(), var4[var7]);
         }

         Hashtable var8 = new Hashtable();

         for(int var9 = 0; var9 < var1.length; ++var9) {
            var8.put(var1[var9].toLowerCase(), var2[var9]);
         }

         PluginPanel var10 = new PluginPanel(this, var8, var6, new URL(var5));
         Hashtable var12 = this.panels;
         synchronized(var12){}

         int var11;
         try {
            this.panels.put(new Integer(this.nextInstance), var10);
            var11 = this.nextInstance++;
         } catch (Throwable var16) {
            throw var16;
         }

         return var11;
      } catch (Exception var17) {
         ((Throwable)var17).printStackTrace(System.err);
         return -1;
      }
   }

   protected void setClassLoader(PluginClassLoader var1) {
      if (this.loader == null) {
         this.loader = var1;
      }

   }

   private native void showDocument(String var1, String var2);

   public void showDocument(URL var1) {
      this.showDocument(var1, "_self");
   }

   public void showDocument(URL var1, String var2) {
      Object var3 = opera_mutex;
      synchronized(var3){}

      try {
         String var5 = var1.toString();
         this.showDocument(var5, var2);
      } catch (Throwable var7) {
         throw var7;
      }

   }

   public native void showStatus(String var1);
}