src/org/ibex/plat/Java2.java

   1 // Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
   2 package org.ibex.plat;
   3
   4 import java.awt.*;
   5 import java.awt.event.*;
   6 import java.awt.image.*;
   7 import java.net.*;
   8 import java.util.*;
   9 import org.ibex.util.*;
  10 import org.ibex.*;
  11 import java.lang.reflect.*;
  12 import org.ibex.graphics.*;
  13 import org.ibex.core.*;
  14 import org.ibex.net.*;
  15
  16 /** Platform class for most reasonable Java1.2+ Java2s */
  17 public class Java2 extends AWT {
  18
  19     private boolean isJava14 = false;
  20
  21     public Java2() {
  22         // disable the focus manager so we can intercept the tab key
  23         String versionString = System.getProperty("java.version", "");
  24         int secondDecimal = versionString.substring(versionString.indexOf('.') + 1).indexOf('.');
  25         if (secondDecimal != -1) versionString = versionString.substring(0, versionString.indexOf('.') + 1 + secondDecimal);
  26         double version = Double.parseDouble(versionString);
  27         if (version >= 1.4) {
  28             isJava14 = true;
  29             try {
  30                 Toolkit t = java.awt.Toolkit.getDefaultToolkit();
  31                 Method m = java.awt.Toolkit.class.getMethod("setDynamicLayout", new Class[] { Boolean.TYPE });
  32                 m.invoke(t, new Object[] { Boolean.TRUE });
  33             } catch (Exception e) {
  34                 Log.info(this, "Exception while trying to enable AWT Dynamic Layout");
  35                 Log.info(this, e);
  36             }
  37         }
  38         javax.swing.FocusManager.setCurrentManager(new javax.swing.FocusManager() {
  39                 public void processKeyEvent(Component focusedComponent, KeyEvent anEvent) { }
  40                 public void focusPreviousComponent(Component aComponent) { }
  41                 public void focusNextComponent(Component aComponent) { }
  42             });
  43     }
  44
  45     /** this is done with reflection in case a new version of the plugin comes out that doesn't let us pull the sun.plugin.* trick */
  46     protected synchronized org.ibex.net.HTTP.Proxy _detectProxy() {
  47         return (org.ibex.net.HTTP.Proxy)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
  48                 public Object run() {
  49                     try {
  50                         org.ibex.net.HTTP.Proxy pi = new org.ibex.net.HTTP.Proxy();
  51
  52                         Class PluginProxyHandler = Class.forName("sun.plugin.protocol.PluginProxyHandler");
  53                         Method getDefaultProxyHandler = PluginProxyHandler.getMethod("getDefaultProxyHandler", new Class[] { });
  54                         Object proxyHandler = getDefaultProxyHandler.invoke(null, new Object[] { });
  55
  56                         Class ProxyHandler = Class.forName("sun.plugin.protocol.ProxyHandler");
  57                         Method getProxyInfo = ProxyHandler.getMethod("getProxyInfo", new Class[] { URL.class });
  58                         Object proxyInfo = getProxyInfo.invoke(proxyHandler, new Object[] { new URL("http://www.ibex.org") });
  59
  60                         Class ProxyInfo = Class.forName("sun.plugin.protocol.ProxyInfo");
  61
  62                         if (((Boolean)ProxyInfo.getMethod("isSocksUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
  63                             pi.socksProxyHost =
  64                                 (String)ProxyInfo.getMethod("getSocksProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
  65                             pi.socksProxyPort =
  66                                 ((Integer)ProxyInfo.getMethod("getSocksPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
  67                         }
  68
  69                         if (((Boolean)ProxyInfo.getMethod("isProxyUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
  70                             pi.httpProxyHost =
  71                                 (String)ProxyInfo.getMethod("getProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
  72                             pi.httpProxyPort =
  73                                 ((Integer)ProxyInfo.getMethod("getPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
  74                         }
  75
  76                         if (pi.httpProxyHost != null || pi.socksProxyHost != null) return pi;
  77                         else return null;
  78
  79                     } catch (Throwable e) {
  80                         if (Log.on) Log.info(this, "No proxy information found in Java Plugin classes");
  81                         return null;
  82                     }
  83                 }});
  84     }
  85
  86     protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return new Java2PixelBuffer(w, h); }
  87     protected Surface _createSurface(final Box root, final boolean framed) {
  88         return (Surface)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
  89                 public Object run() {
  90                     if (isJava14) {
  91                         try {
  92                              // weaken the binding here to avoid link errors on 1.3.x
  93                              Class java14SurfaceClass = Class.forName(Java2.class.getName() + "$Java14Surface");
  94                              Constructor ctor = java14SurfaceClass.getConstructor(new Class[] { Box.class, Boolean.TYPE });
  95                                return (Surface)ctor.newInstance(new Object[] { root, Boolean.valueOf(framed) });
  96                         } catch (Exception e) {
  97                             Log.info(this, e);
  98                             throw new LinkageError("error: " + e);
  99                         }
 100                     } else {
 101                         return new Java2Surface(root, framed);
 102                     }
 103                 }
 104             });
 105     }
 106
 107     // Inner Classes //////////////////////////////////////////////////////////////////
 108
 109     private static Cursor invisibleCursor =
 110         Toolkit.getDefaultToolkit().createCustomCursor(new BufferedImage(2, 2, BufferedImage.TYPE_INT_ARGB),
 111                                                        new Point(1, 1), "invisible");
 112
 113     protected static class Java2Surface extends AWTSurface {
 114
 115         public Java2Surface(Box root, boolean framed) { super(root, framed); }
 116
 117         protected void _setMinimized(boolean b) {
 118             if (frame == null) Log.info(this, "JDK 1.2 can only minimize frames, not windows");
 119             else if (b) frame.setState(java.awt.Frame.ICONIFIED);
 120             else frame.setState(java.awt.Frame.NORMAL);
 121         }
 122
 123         public void syncCursor() {
 124             if (cursor.equals("invisible")) window.setCursor(invisibleCursor);
 125             else super.syncCursor();
 126         }
 127     }
 128
 129     protected static class Java14Surface extends Java2Surface implements WindowStateListener, MouseWheelListener {
 130         public Java14Surface(Box root, boolean framed) {
 131             super(root, true);
 132             // JDK1.4 doesn't like java.lang.Window's...
 133             if (!framed) ((Frame)window).setUndecorated(true);
 134             window.addWindowStateListener(this);
 135             window.addMouseWheelListener(this);
 136             window.setVisible(true);
 137         }
 138
 139         protected void makeVisible() { }
 140
 141         protected void _setMaximized(boolean m) {
 142             if (frame == null) {
 143                 if (Log.on) Log.info(this, "JDK 1.4 can only maximize frames, not windows");
 144                 return;
 145             }
 146             frame.setExtendedState(m ? Frame.MAXIMIZED_BOTH : (minimized ? Frame.ICONIFIED : Frame.NORMAL));
 147         }
 148         protected void _setMinimized(boolean m) {
 149             if (frame == null) {
 150                 if (Log.on) Log.info(this, "JDK 1.4 can only minimize frames, not windows");
 151                 return;
 152             }
 153             frame.setExtendedState(m ? Frame.ICONIFIED : (maximized ? Frame.MAXIMIZED_BOTH : Frame.NORMAL));
 154         }
 155         public void windowStateChanged(WindowEvent e) {
 156             if (e.getOldState() != e.getNewState()) {
 157                 if ((e.getNewState() & Frame.MAXIMIZED_BOTH) != 0) Maximized(true);
 158                 else if (((e.getOldState() & Frame.MAXIMIZED_BOTH) != 0) && (e.getNewState() & Frame.MAXIMIZED_BOTH) == 0)
 159                     Maximized(false);
 160             }
 161         }
 162
 163         public void mouseWheelMoved(MouseWheelEvent m) {
 164             if (m.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL)
 165                 VScroll(m.getUnitsToScroll());
 166         }
 167     }
 168
 169     protected static class Java2PixelBuffer extends AWTPixelBuffer {
 170         private static ColorModel cm = Toolkit.getDefaultToolkit().getColorModel();
 171         private static Hashtable emptyHashtable = new Hashtable();
 172         private static short[] sbank = null;
 173         private static int[] ibank = null;
 174         private static byte[] bbank = null;
 175         private static int bank_start = 0;
 176         private WritableRaster raster = null;
 177         private SampleModel sm = null;
 178         private DataBuffer buf = null;
 179
 180         // this doens't seem to work on Windows
 181         public void drawGlyph(org.ibex.graphics.Font.Glyph source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int rgb) {
 182             Image i2 = ((AWTGlyph)source).getImage();
 183             Graphics2D g2 = (Graphics2D)i.getGraphics();
 184             g2.setComposite(AlphaComposite.DstOut);
 185             g2.setClip(cx1, cy1, cx2 - cx1, cy2 - cy1);
 186             g2.drawImage(i2, dx, dy, null);
 187             g2.setComposite(AlphaComposite.DstOver);
 188             g2.setColor(new java.awt.Color((rgb & 0x00FF0000) >> 16, (rgb & 0x0000FF00) >> 8, (rgb & 0x000000FF)));
 189             g2.fillRect(dx, dy, cx2 - dx, cy2 - dy);
 190             g2.drawImage(i2, 0, 0, null);
 191             g2.setClip(0, 0, i.getWidth(null), i.getHeight(null));
 192         }
 193
 194         public Java2PixelBuffer(int w, int h) {
 195             sm = cm.createCompatibleSampleModel(w, h);
 196             int numSamples = w * h * sm.getNumDataElements();
 197             if (sm.getDataType() == DataBuffer.TYPE_USHORT) {
 198                 if (sbank == null || numSamples > 512 * 512 / 3) {
 199                     buf = new DataBufferUShort(numSamples);
 200                 } else {
 201                     if (numSamples > sbank.length - bank_start) {
 202                         bank_start = 0;
 203                         sbank = new short[512 * 512];
 204                     }
 205                     buf = new DataBufferUShort(sbank, numSamples, bank_start);
 206                     bank_start += numSamples;
 207                 }
 208             } else if (sm.getDataType() == DataBuffer.TYPE_BYTE) {
 209                 if (bbank == null || numSamples > 512 * 512 / 3) {
 210                     buf = new DataBufferByte(numSamples);
 211                 } else {
 212                     if (numSamples > bbank.length - bank_start) {
 213                         bank_start = 0;
 214                         bbank = new byte[512 * 512];
 215                     }
 216                     buf = new DataBufferByte(bbank, numSamples, bank_start);
 217                     bank_start += numSamples;
 218                 }
 219             } else if (sm.getDataType() == DataBuffer.TYPE_INT) {
 220                 if (ibank == null || numSamples > 512 * 512 / 3) {
 221                     buf = new DataBufferInt(numSamples);
 222                 } else {
 223                     if (numSamples > ibank.length - bank_start) {
 224                         bank_start = 0;
 225                         ibank = new int[512 * 512];
 226                     }
 227                     buf = new DataBufferInt(ibank, numSamples, bank_start);
 228                     bank_start += numSamples;
 229                 }
 230             }
 231             raster = Raster.createWritableRaster(sm, buf, null);
 232             i = new BufferedImage(cm, raster, false,  emptyHashtable);
 233             g = i.getGraphics();
 234         }
 235     }
 236
 237     protected String getDescriptiveName() { return isJava14 ? "Java 1.4+ JVM" : "Java 1.2+ JVM"; }
 238
 239 }