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     private boolean isJava14 = false;
  22
  23     public Java2() {
  24         // disable the focus manager so we can intercept the tab key
  25         String versionString = System.getProperty("java.version", "");
  26         int secondDecimal = versionString.substring(versionString.indexOf('.') + 1).indexOf('.');
  27         if (secondDecimal != -1) versionString = versionString.substring(0, versionString.indexOf('.') + 1 + secondDecimal);
  28         double version = Double.parseDouble(versionString);
  29         if (version >= 1.4) {
  30             isJava14 = true;
  31             try {
  32                 Toolkit t = java.awt.Toolkit.getDefaultToolkit();
  33                 Method m = java.awt.Toolkit.class.getMethod("setDynamicLayout", new Class[] { Boolean.TYPE });
  34                 m.invoke(t, new Object[] { Boolean.TRUE });
  35             } catch (Exception e) {
  36                 Log.info(this, "Exception while trying to enable AWT Dynamic Layout");
  37                 Log.info(this, e);
  38             }
  39         }
  40         javax.swing.FocusManager.setCurrentManager(new javax.swing.FocusManager() {
  41                 public void processKeyEvent(Component focusedComponent, KeyEvent anEvent) { }
  42                 public void focusPreviousComponent(Component aComponent) { }
  43                 public void focusNextComponent(Component aComponent) { }
  44             });
  45     }
  46
  47     /** 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 */
  48     protected synchronized org.ibex.net.HTTP.Proxy _detectProxy() {
  49         return (org.ibex.net.HTTP.Proxy)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
  50                 public Object run() {
  51                     try {
  52                         org.ibex.net.HTTP.Proxy pi = new org.ibex.net.HTTP.Proxy();
  53
  54                         Class PluginProxyHandler = Class.forName("sun.plugin.protocol.PluginProxyHandler");
  55                         Method getDefaultProxyHandler = PluginProxyHandler.getMethod("getDefaultProxyHandler", new Class[] { });
  56                         Object proxyHandler = getDefaultProxyHandler.invoke(null, new Object[] { });
  57
  58                         Class ProxyHandler = Class.forName("sun.plugin.protocol.ProxyHandler");
  59                         Method getProxyInfo = ProxyHandler.getMethod("getProxyInfo", new Class[] { URL.class });
  60                         Object proxyInfo = getProxyInfo.invoke(proxyHandler, new Object[] { new URL("http://www.ibex.org") });
  61
  62                         Class ProxyInfo = Class.forName("sun.plugin.protocol.ProxyInfo");
  63
  64                         if (((Boolean)ProxyInfo.getMethod("isSocksUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
  65                             pi.socksProxyHost =
  66                                 (String)ProxyInfo.getMethod("getSocksProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
  67                             pi.socksProxyPort =
  68                                 ((Integer)ProxyInfo.getMethod("getSocksPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
  69                         }
  70
  71                         if (((Boolean)ProxyInfo.getMethod("isProxyUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
  72                             pi.httpProxyHost =
  73                                 (String)ProxyInfo.getMethod("getProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
  74                             pi.httpProxyPort =
  75                                 ((Integer)ProxyInfo.getMethod("getPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
  76                         }
  77
  78                         if (pi.httpProxyHost != null || pi.socksProxyHost != null) return pi;
  79                         else return null;
  80
  81                     } catch (Throwable e) {
  82                         if (Log.on) Log.info(this, "No proxy information found in Java Plugin classes");
  83                         return null;
  84                     }
  85                 }});
  86     }
  87
  88     protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return new Java2PixelBuffer(w, h); }
  89     protected Surface _createSurface(final Box root, final boolean framed) {
  90         return (Surface)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
  91                 public Object run() {
  92                     if (isJava14) {
  93                         try {
  94                              // weaken the binding here to avoid link errors on 1.3.x
  95                              Class java14SurfaceClass = Class.forName(Java2.class.getName() + "$Java14Surface");
  96                              Constructor ctor = java14SurfaceClass.getConstructor(new Class[] { Box.class, Boolean.TYPE });
  97                                return (Surface)ctor.newInstance(new Object[] { root, Boolean.valueOf(framed) });
  98                         } catch (Exception e) {
  99                             Log.info(this, e);
 100                             throw new LinkageError("error: " + e);
 101                         }
 102                     } else {
 103                         return new Java2Surface(root, framed);
 104                     }
 105                 }
 106             });
 107     }
 108
 109     // Inner Classes //////////////////////////////////////////////////////////////////
 110
 111     private static Cursor invisibleCursor =
 112         Toolkit.getDefaultToolkit().createCustomCursor(new BufferedImage(2, 2, BufferedImage.TYPE_INT_ARGB),
 113                                                        new Point(1, 1), "invisible");
 114
 115     protected static class Java2Surface extends AWTSurface {
 116
 117         public Java2Surface(Box root, boolean framed) { super(root, framed); }
 118
 119         protected void _setMinimized(boolean b) {
 120             if (frame == null) Log.info(this, "JDK 1.2 can only minimize frames, not windows");
 121             else if (b) frame.setState(java.awt.Frame.ICONIFIED);
 122             else frame.setState(java.awt.Frame.NORMAL);
 123         }
 124
 125         public void syncCursor() {
 126             if (cursor.equals("invisible")) window.setCursor(invisibleCursor);
 127             else super.syncCursor();
 128         }
 129     }
 130
 131     protected static class Java14Surface extends Java2Surface implements WindowStateListener, MouseWheelListener {
 132         public Java14Surface(Box root, boolean framed) {
 133             super(root, true);
 134             // JDK1.4 doesn't like java.lang.Window's...
 135             if (!framed) ((Frame)window).setUndecorated(true);
 136             window.addWindowStateListener(this);
 137             window.addMouseWheelListener(this);
 138             window.setVisible(true);
 139         }
 140
 141         protected void makeVisible() { }
 142
 143         protected void _setMaximized(boolean m) {
 144             if (frame == null) {
 145                 if (Log.on) Log.info(this, "JDK 1.4 can only maximize frames, not windows");
 146                 return;
 147             }
 148             frame.setExtendedState(m ? Frame.MAXIMIZED_BOTH : (minimized ? Frame.ICONIFIED : Frame.NORMAL));
 149         }
 150         protected void _setMinimized(boolean m) {
 151             if (frame == null) {
 152                 if (Log.on) Log.info(this, "JDK 1.4 can only minimize frames, not windows");
 153                 return;
 154             }
 155             frame.setExtendedState(m ? Frame.ICONIFIED : (maximized ? Frame.MAXIMIZED_BOTH : Frame.NORMAL));
 156         }
 157         public void windowStateChanged(WindowEvent e) {
 158             if (e.getOldState() != e.getNewState()) {
 159                 if ((e.getNewState() & Frame.MAXIMIZED_BOTH) != 0) Maximized(true);
 160                 else if (((e.getOldState() & Frame.MAXIMIZED_BOTH) != 0) && (e.getNewState() & Frame.MAXIMIZED_BOTH) == 0)
 161                     Maximized(false);
 162             }
 163         }
 164
 165         public void mouseWheelMoved(MouseWheelEvent m) {
 166             if (m.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL)
 167                 VScroll(m.getUnitsToScroll());
 168         }
 169     }
 170
 171     protected static class Java2PixelBuffer extends AWTPixelBuffer {
 172         private static ColorModel cm = Toolkit.getDefaultToolkit().getColorModel();
 173         private static Hashtable emptyHashtable = new Hashtable();
 174         private static short[] sbank = null;
 175         private static int[] ibank = null;
 176         private static byte[] bbank = null;
 177         private static int bank_start = 0;
 178         private WritableRaster raster = null;
 179         private SampleModel sm = null;
 180         private DataBuffer buf = null;
 181
 182         // this doens't seem to work on Windows
 183         public void drawGlyph(org.ibex.graphics.Font.Glyph source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int rgb) {
 184             Image i2 = ((AWTGlyph)source).getImage();
 185             Graphics2D g2 = (Graphics2D)i.getGraphics();
 186             g2.setComposite(AlphaComposite.DstOut);
 187             g2.setClip(cx1, cy1, cx2 - cx1, cy2 - cy1);
 188             g2.drawImage(i2, dx, dy, null);
 189             g2.setComposite(AlphaComposite.DstOver);
 190             g2.setColor(new java.awt.Color((rgb & 0x00FF0000) >> 16, (rgb & 0x0000FF00) >> 8, (rgb & 0x000000FF)));
 191             g2.fillRect(dx, dy, cx2 - dx, cy2 - dy);
 192             g2.drawImage(i2, 0, 0, null);
 193             g2.setClip(0, 0, i.getWidth(null), i.getHeight(null));
 194         }
 195
 196         public Java2PixelBuffer(int w, int h) {
 197             sm = cm.createCompatibleSampleModel(w, h);
 198             int numSamples = w * h * sm.getNumDataElements();
 199             if (sm.getDataType() == DataBuffer.TYPE_USHORT) {
 200                 if (sbank == null || numSamples > 512 * 512 / 3) {
 201                     buf = new DataBufferUShort(numSamples);
 202                 } else {
 203                     if (numSamples > sbank.length - bank_start) {
 204                         bank_start = 0;
 205                         sbank = new short[512 * 512];
 206                     }
 207                     buf = new DataBufferUShort(sbank, numSamples, bank_start);
 208                     bank_start += numSamples;
 209                 }
 210             } else if (sm.getDataType() == DataBuffer.TYPE_BYTE) {
 211                 if (bbank == null || numSamples > 512 * 512 / 3) {
 212                     buf = new DataBufferByte(numSamples);
 213                 } else {
 214                     if (numSamples > bbank.length - bank_start) {
 215                         bank_start = 0;
 216                         bbank = new byte[512 * 512];
 217                     }
 218                     buf = new DataBufferByte(bbank, numSamples, bank_start);
 219                     bank_start += numSamples;
 220                 }
 221             } else if (sm.getDataType() == DataBuffer.TYPE_INT) {
 222                 if (ibank == null || numSamples > 512 * 512 / 3) {
 223                     buf = new DataBufferInt(numSamples);
 224                 } else {
 225                     if (numSamples > ibank.length - bank_start) {
 226                         bank_start = 0;
 227                         ibank = new int[512 * 512];
 228                     }
 229                     buf = new DataBufferInt(ibank, numSamples, bank_start);
 230                     bank_start += numSamples;
 231                 }
 232             }
 233             raster = Raster.createWritableRaster(sm, buf, null);
 234             i = new BufferedImage(cm, raster, false,  emptyHashtable);
 235             g = i.getGraphics();
 236         }
 237     }
 238
 239     protected String getDescriptiveName() { return isJava14 ? "Java 1.4+ JVM" : "Java 1.2+ JVM"; }
 240
 241 }