src/org/ibex/plat/Java2.java

   1 // Copyright 2000-2005 the Contributors, as shown in the revision logs.
   2 // Licensed under the GNU General Public License version 2 ("the License").
   3 // You may not use this file except in compliance with the License.
   4
   5 package org.ibex.plat;
   6
   7 import java.awt.*;
   8 import java.awt.event.*;
   9 import java.awt.image.*;
  10 import java.net.*;
  11 import java.util.*;
  12 import org.ibex.util.*;
  13 import java.lang.reflect.*;
  14 import org.ibex.graphics.*;
  15 import org.ibex.core.*;
  16 import org.ibex.net.*;
  17
  18 /** Platform class for most reasonable Java1.2+ Java2s */
  19 public class Java2 extends AWT {
  20
  21     protected String getDescriptiveName() { return "Java 1.2+ JVM"; }
  22     public Java2() {
  23         // disable the focus manager so we can intercept the tab key
  24         javax.swing.FocusManager.setCurrentManager(new javax.swing.FocusManager() {
  25                 public void processKeyEvent(Component focusedComponent, KeyEvent anEvent) { }
  26                 public void focusPreviousComponent(Component aComponent) { }
  27                 public void focusNextComponent(Component aComponent) { }
  28             });
  29     }
  30
  31     /** this is done with reflection in case a new plugin comes out that doesn't let us pull the sun.plugin.* trick */
  32     protected synchronized org.ibex.net.HTTP.Proxy _detectProxy() {
  33         return (org.ibex.net.HTTP.Proxy)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
  34                 public Object run() { try {
  35                     org.ibex.net.HTTP.Proxy pi = new org.ibex.net.HTTP.Proxy();
  36
  37                     Class PluginProxyHandler = Class.forName("sun.plugin.protocol.PluginProxyHandler");
  38                     Method getDefaultProxyHandler = PluginProxyHandler.getMethod("getDefaultProxyHandler", new Class[] { });
  39                     Object proxyHandler = getDefaultProxyHandler.invoke(null, new Object[] { });
  40
  41                     Class ProxyHandler = Class.forName("sun.plugin.protocol.ProxyHandler");
  42                     Method getProxyInfo = ProxyHandler.getMethod("getProxyInfo", new Class[] { URL.class });
  43                     Object proxyInfo = getProxyInfo.invoke(proxyHandler, new Object[] { new URL("http://www.ibex.org") });
  44
  45                     Class ProxyInfo = Class.forName("sun.plugin.protocol.ProxyInfo");
  46
  47                     if (((Boolean)ProxyInfo.getMethod("isSocksUsed",
  48                                                       new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
  49                         pi.socksProxyHost =
  50                             (String)ProxyInfo.getMethod("getSocksProxy",
  51                                                         new Class[] { }).invoke(proxyInfo, new Object[] { });
  52                         pi.socksProxyPort =
  53                             ((Integer)ProxyInfo.getMethod("getSocksPort",
  54                                                           new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
  55                     }
  56
  57                     if (((Boolean)ProxyInfo.getMethod("isProxyUsed",
  58                                                       new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
  59                         pi.httpProxyHost =
  60                             (String)ProxyInfo.getMethod("getProxy",
  61                                                         new Class[] { }).invoke(proxyInfo, new Object[] { });
  62                         pi.httpProxyPort =
  63                             ((Integer)ProxyInfo.getMethod("getPort",
  64                                                           new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
  65                     }
  66
  67                     if (pi.httpProxyHost != null || pi.socksProxyHost != null) return pi;
  68                     else return null;
  69
  70                 } catch (Throwable e) {
  71                     if (Log.on) Log.info(this, "No proxy information found in Java Plugin classes");
  72                     return null;
  73                 }
  74                 }});
  75     }
  76
  77     protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return new Java2PixelBuffer(w, h); }
  78     protected Surface __createSurface(final Box root, final boolean framed) { return new Java2Surface(root, framed); }
  79     protected Surface _createSurface(final Box root, final boolean framed) {
  80         return (Surface)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
  81                 public Object run() { return __createSurface(root, framed); } }); }
  82
  83
  84     // Inner Classes //////////////////////////////////////////////////////////////////
  85
  86     private static Cursor invisibleCursor =
  87         Toolkit.getDefaultToolkit().createCustomCursor(new BufferedImage(2, 2, BufferedImage.TYPE_INT_ARGB),
  88                                                        new Point(1, 1), "invisible");
  89
  90     public static class Java2Surface extends AWTSurface {
  91         public Java2Surface(Box root, boolean framed) { super(root, framed); }
  92
  93         protected void _setMinimized(boolean b) {
  94             if (frame == null) Log.info(this, "JDK 1.2 can only minimize frames, not windows");
  95             else if (b) frame.setState(java.awt.Frame.ICONIFIED);
  96             else frame.setState(java.awt.Frame.NORMAL);
  97         }
  98         public void syncCursor() {
  99             if (cursor.equals("invisible")) window.setCursor(invisibleCursor);
 100             else super.syncCursor();
 101         }
 102     }
 103
 104     protected static class Java2PixelBuffer extends AWTPixelBuffer {
 105         private static ColorModel cm = Toolkit.getDefaultToolkit().getColorModel();
 106         private static Hashtable emptyHashtable = new Hashtable();
 107         private static short[] sbank = null;
 108         private static int[] ibank = null;
 109         private static byte[] bbank = null;
 110         private static int bank_start = 0;
 111         private WritableRaster raster = null;
 112         private SampleModel sm = null;
 113         private DataBuffer buf = null;
 114
 115         // this doens't seem to work on Windows
 116         public void drawGlyph(org.ibex.graphics.Font.Glyph source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int rgb) {
 117             Image i2 = ((AWTGlyph)source).getImage();
 118             Graphics2D g2 = (Graphics2D)i.getGraphics();
 119             g2.setComposite(AlphaComposite.DstOut);
 120             g2.setClip(cx1, cy1, cx2 - cx1, cy2 - cy1);
 121             g2.drawImage(i2, dx, dy, null);
 122             g2.setComposite(AlphaComposite.DstOver);
 123             g2.setColor(new java.awt.Color((rgb & 0x00FF0000) >> 16, (rgb & 0x0000FF00) >> 8, (rgb & 0x000000FF)));
 124             g2.fillRect(dx, dy, cx2 - dx, cy2 - dy);
 125             g2.drawImage(i2, 0, 0, null);
 126             g2.setClip(0, 0, i.getWidth(null), i.getHeight(null));
 127         }
 128
 129         public Java2PixelBuffer(int w, int h) {
 130             super(w,h);
 131             sm = cm.createCompatibleSampleModel(w, h);
 132             int numSamples = w * h * sm.getNumDataElements();
 133             if (sm.getDataType() == DataBuffer.TYPE_USHORT) {
 134                 if (sbank == null || numSamples > 512 * 512 / 3) {
 135                     buf = new DataBufferUShort(numSamples);
 136                 } else {
 137                     if (numSamples > sbank.length - bank_start) {
 138                         bank_start = 0;
 139                         sbank = new short[512 * 512];
 140                     }
 141                     buf = new DataBufferUShort(sbank, numSamples, bank_start);
 142                     bank_start += numSamples;
 143                 }
 144             } else if (sm.getDataType() == DataBuffer.TYPE_BYTE) {
 145                 if (bbank == null || numSamples > 512 * 512 / 3) {
 146                     buf = new DataBufferByte(numSamples);
 147                 } else {
 148                     if (numSamples > bbank.length - bank_start) {
 149                         bank_start = 0;
 150                         bbank = new byte[512 * 512];
 151                     }
 152                     buf = new DataBufferByte(bbank, numSamples, bank_start);
 153                     bank_start += numSamples;
 154                 }
 155             } else if (sm.getDataType() == DataBuffer.TYPE_INT) {
 156                 if (ibank == null || numSamples > 512 * 512 / 3) {
 157                     buf = new DataBufferInt(numSamples);
 158                 } else {
 159                     if (numSamples > ibank.length - bank_start) {
 160                         bank_start = 0;
 161                         ibank = new int[512 * 512];
 162                     }
 163                     buf = new DataBufferInt(ibank, numSamples, bank_start);
 164                     bank_start += numSamples;
 165                 }
 166             }
 167             raster = Raster.createWritableRaster(sm, buf, null);
 168             i = new BufferedImage(cm, raster, false,  emptyHashtable);
 169             g = i.getGraphics();
 170         }
 171     }
 172 }