1 // Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
5 import java.awt.event.*;
6 import java.awt.image.*;
7 import java.awt.datatransfer.*;
11 import org.xwt.util.*;
13 import java.lang.reflect.*;
16 /** Platform class for most reasonable Java1.2+ Java2s */
17 public class Java2 extends AWT {
19 private boolean isJava14 = false;
20 protected boolean _supressDirtyOnResize() {
22 //return (isJava14 && !System.getProperty("os.name", "").equals("Mac OS X"))? false : true;
26 // disable the focus manager so we can intercept the tab key
27 String versionString = System.getProperty("java.version", "");
28 int secondDecimal = versionString.substring(versionString.indexOf('.') + 1).indexOf('.');
29 if (secondDecimal != -1) versionString = versionString.substring(0, secondDecimal);
31 double version = Double.parseDouble(versionString);
35 Toolkit t = java.awt.Toolkit.getDefaultToolkit();
36 Method m = java.awt.Toolkit.class.getMethod("setDynamicLayout", new Class[] { Boolean.class });
37 m.invoke(t, new Object[] { Boolean.TRUE });
38 } catch (Exception e) {
39 Log.log(this, "Exception while trying to enable AWT Dynamic Layout");
44 javax.swing.FocusManager.setCurrentManager(new javax.swing.FocusManager() {
45 public void processKeyEvent(Component focusedComponent, KeyEvent anEvent) { }
46 public void focusPreviousComponent(Component aComponent) { }
47 public void focusNextComponent(Component aComponent) { }
51 /** 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 */
52 protected synchronized org.xwt.HTTP.Proxy _detectProxy() {
53 return (org.xwt.HTTP.Proxy)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
56 org.xwt.HTTP.Proxy pi = new org.xwt.HTTP.Proxy();
58 Class PluginProxyHandler = Class.forName("sun.plugin.protocol.PluginProxyHandler");
59 Method getDefaultProxyHandler = PluginProxyHandler.getMethod("getDefaultProxyHandler", new Class[] { });
60 Object proxyHandler = getDefaultProxyHandler.invoke(null, new Object[] { });
62 Class ProxyHandler = Class.forName("sun.plugin.protocol.ProxyHandler");
63 Method getProxyInfo = ProxyHandler.getMethod("getProxyInfo", new Class[] { URL.class });
64 Object proxyInfo = getProxyInfo.invoke(proxyHandler, new Object[] { new URL("http://www.xwt.org") });
66 Class ProxyInfo = Class.forName("sun.plugin.protocol.ProxyInfo");
68 if (((Boolean)ProxyInfo.getMethod("isSocksUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
70 (String)ProxyInfo.getMethod("getSocksProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
72 ((Integer)ProxyInfo.getMethod("getSocksPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
75 if (((Boolean)ProxyInfo.getMethod("isProxyUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
77 (String)ProxyInfo.getMethod("getProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
79 ((Integer)ProxyInfo.getMethod("getPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
82 if (pi.httpProxyHost != null || pi.socksProxyHost != null) return pi;
85 } catch (Throwable e) {
86 if (Log.on) Log.log(this, "exception while querying sun.plugin.protocol.PluginProxyHandler: " + e);
92 protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return new Java2PixelBuffer(w, h); }
93 protected Surface _createSurface(final Box root, final boolean framed) {
94 return (Surface)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
98 // weaken the binding here to avoid link errors on 1.3.x
99 Class java14SurfaceClass = Class.forName(Java2.class.getName() + "$Java14Surface");
100 Constructor ctor = java14SurfaceClass.getConstructor(new Class[] { Box.class, Boolean.TYPE });
101 return (Surface)ctor.newInstance(new Object[] { root, new Boolean(framed) });
102 } catch (Exception e) {
104 throw new LinkageError("error: " + e);
107 return new Java2Surface(root, framed);
113 // Inner Classes //////////////////////////////////////////////////////////////////
115 private static Cursor invisibleCursor =
116 Toolkit.getDefaultToolkit().createCustomCursor(new BufferedImage(2, 2, BufferedImage.TYPE_INT_ARGB),
117 new Point(1, 1), "invisible");
119 protected static class Java2Surface extends AWTSurface {
121 public Java2Surface(Box root, boolean framed) { super(root, framed); }
123 protected void _setMinimized(boolean b) {
124 if (frame == null) Log.log(this, "JDK 1.2 can only minimize frames, not windows");
125 else if (b) frame.setState(java.awt.Frame.ICONIFIED);
126 else frame.setState(java.awt.Frame.NORMAL);
129 public void syncCursor() {
130 if (cursor.equals("invisible")) window.setCursor(invisibleCursor);
131 else super.syncCursor();
135 protected static class Java14Surface extends Java2Surface implements WindowStateListener {
136 public Java14Surface(Box root, boolean framed) {
138 // JDK1.4 doesn't like java.lang.Window's...
139 if (!framed) ((Frame)window).setUndecorated(true);
140 window.addWindowStateListener(this);
141 window.setVisible(true);
144 protected void makeVisible() { }
146 protected void _setMaximized(boolean m) {
148 if (Log.on) Log.log(this, "JDK 1.4 can only maximize frames, not windows");
151 frame.setExtendedState(m ? Frame.MAXIMIZED_BOTH : (minimized ? Frame.ICONIFIED : Frame.NORMAL));
153 protected void _setMinimized(boolean m) {
155 if (Log.on) Log.log(this, "JDK 1.4 can only minimize frames, not windows");
158 frame.setExtendedState(m ? Frame.ICONIFIED : (maximized ? Frame.MAXIMIZED_BOTH : Frame.NORMAL));
160 public void windowStateChanged(WindowEvent e) {
161 if (e.getOldState() != e.getNewState()) {
162 if ((e.getNewState() & Frame.MAXIMIZED_BOTH) != 0) Maximized(true);
163 else if (((e.getOldState() & Frame.MAXIMIZED_BOTH) != 0) && (e.getNewState() & Frame.MAXIMIZED_BOTH) == 0)
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;
177 public Java2PixelBuffer(int w, int h) {
178 SampleModel sm = cm.createCompatibleSampleModel(w, h);
179 int numSamples = w * h * sm.getNumDataElements();
180 DataBuffer buf = null;
181 if (sm.getDataType() == DataBuffer.TYPE_USHORT) {
182 if (sbank == null || numSamples > 512 * 512 / 3) {
183 buf = new DataBufferUShort(numSamples);
185 if (numSamples > sbank.length - bank_start) {
187 sbank = new short[512 * 512];
189 buf = new DataBufferUShort(sbank, numSamples, bank_start);
190 bank_start += numSamples;
192 } else if (sm.getDataType() == DataBuffer.TYPE_BYTE) {
193 if (bbank == null || numSamples > 512 * 512 / 3) {
194 buf = new DataBufferByte(numSamples);
196 if (numSamples > bbank.length - bank_start) {
198 bbank = new byte[512 * 512];
200 buf = new DataBufferByte(bbank, numSamples, bank_start);
201 bank_start += numSamples;
203 } else if (sm.getDataType() == DataBuffer.TYPE_INT) {
204 if (ibank == null || numSamples > 512 * 512 / 3) {
205 buf = new DataBufferInt(numSamples);
207 if (numSamples > ibank.length - bank_start) {
209 ibank = new int[512 * 512];
211 buf = new DataBufferInt(ibank, numSamples, bank_start);
212 bank_start += numSamples;
215 i = new BufferedImage(cm, Raster.createWritableRaster(sm, buf, null), false, emptyHashtable);
220 protected String getDescriptiveName() { return isJava14 ? "Java 1.4+ JVM" : "Java 1.2+ JVM"; }