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