1 // Copyright 2002 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() {
21 return (isJava14 && !System.getProperty("os.name", "").equals("Mac OS X"))? false : true;
25 // disable the focus manager so we can intercept the tab key
26 String versionString = System.getProperty("java.version", "");
27 int secondDecimal = versionString.substring(versionString.indexOf('.') + 1).indexOf('.');
28 if (secondDecimal != -1) versionString = versionString.substring(0, secondDecimal);
29 double version = Double.parseDouble(versionString);
33 Toolkit t = java.awt.Toolkit.getDefaultToolkit();
34 Method m = java.awt.Toolkit.class.getMethod("setDynamicLayout", new Class[] { Boolean.class });
35 m.invoke(t, new Object[] { Boolean.TRUE });
36 } catch (Exception e) {
37 Log.log(this, "Exception while trying to enable AWT Dynamic Layout");
41 javax.swing.FocusManager.setCurrentManager(new javax.swing.FocusManager() {
42 public void processKeyEvent(Component focusedComponent, KeyEvent anEvent) { }
43 public void focusPreviousComponent(Component aComponent) { }
44 public void focusNextComponent(Component aComponent) { }
48 /** 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 */
49 protected synchronized org.xwt.Proxy _detectProxy() {
50 return (org.xwt.Proxy)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
53 org.xwt.Proxy pi = new org.xwt.Proxy();
55 Class PluginProxyHandler = Class.forName("sun.plugin.protocol.PluginProxyHandler");
56 Method getDefaultProxyHandler = PluginProxyHandler.getMethod("getDefaultProxyHandler", new Class[] { });
57 Object proxyHandler = getDefaultProxyHandler.invoke(null, new Object[] { });
59 Class ProxyHandler = Class.forName("sun.plugin.protocol.ProxyHandler");
60 Method getProxyInfo = ProxyHandler.getMethod("getProxyInfo", new Class[] { URL.class });
61 Object proxyInfo = getProxyInfo.invoke(proxyHandler, new Object[] { new URL("http://www.xwt.org") });
63 Class ProxyInfo = Class.forName("sun.plugin.protocol.ProxyInfo");
65 if (((Boolean)ProxyInfo.getMethod("isSocksUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
67 (String)ProxyInfo.getMethod("getSocksProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
69 ((Integer)ProxyInfo.getMethod("getSocksPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
72 if (((Boolean)ProxyInfo.getMethod("isProxyUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
74 (String)ProxyInfo.getMethod("getProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
76 ((Integer)ProxyInfo.getMethod("getPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
79 if (pi.httpProxyHost != null || pi.socksProxyHost != null) return pi;
82 } catch (Throwable e) {
83 if (Log.on) Log.log(this, "exception while querying sun.plugin.protocol.PluginProxyHandler: " + e);
89 protected Socket __getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
90 return super._getSocket(host, port, ssl, negotiate);
92 protected Socket _getSocket(final String host, final int port, final boolean ssl, final boolean negotiate) throws IOException {
93 return (Socket)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
96 return __getSocket(host, port, ssl, negotiate);
97 } catch (Exception e) {
98 if (Log.on) Log.log(Java2.class, "Error attempting to create socket");
99 if (Log.on) Log.log(Java2.class, e);
106 protected DoubleBuffer _createDoubleBuffer(int w, int h, Surface owner) { return new Java2DoubleBuffer(w, h); }
107 protected Surface _createSurface(final Box root, final boolean framed) {
108 return (Surface)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
109 public Object run() {
112 // weaken the binding here to avoid link errors on 1.3.x
113 Class java14SurfaceClass = Class.forName(Java2.class.getName() + "$Java14Surface");
114 Constructor ctor = java14SurfaceClass.getConstructor(new Class[] { Box.class, Boolean.TYPE });
115 return (Surface)ctor.newInstance(new Object[] { root, new Boolean(framed) });
116 } catch (Exception e) {
118 throw new LinkageError("error: " + e);
121 return new Java2Surface(root, framed);
127 // Inner Classes //////////////////////////////////////////////////////////////////
129 private static Cursor invisibleCursor =
130 Toolkit.getDefaultToolkit().createCustomCursor(new BufferedImage(2, 2, BufferedImage.TYPE_INT_ARGB),
131 new Point(1, 1), "invisible");
133 protected static class Java2Surface extends AWTSurface {
135 public Java2Surface(Box root, boolean framed) { super(root, framed); }
137 public void blit(DoubleBuffer s, int sx, int sy, int dx, int dy, int dx2, int dy2) {
138 if (ourGraphics == null) {
139 ourGraphics = window.getGraphics();
141 // sometimes jdk1.4 doesn't set the clip properly when we're in the middle of a resize
142 ourGraphics.setClip(insets.left, insets.top, width + insets.left, height + insets.top);
144 _doDrawImage(ourGraphics, ((AWTDoubleBuffer)s).i, dx + insets.left, dy + insets.top, dx2 + insets.left, dy2 + insets.top,
145 sx, sy, sx + (dx2 - dx), sy + (dy2 - dy), null);
148 protected void _setMinimized(boolean b) {
150 if (Log.on) Log.log(this, "JDK 1.2 can only minimize frames, not windows");
153 if (b) frame.setState(java.awt.Frame.ICONIFIED);
154 else frame.setState(java.awt.Frame.NORMAL);
157 public void syncCursor() {
158 if (cursor.equals("invisible")) window.setCursor(invisibleCursor);
159 else super.syncCursor();
163 protected static class Java14Surface extends Java2Surface implements WindowStateListener {
164 public Java14Surface(Box root, boolean framed) {
166 // JDK1.4 doesn't like java.lang.Window's...
167 if (!framed) ((Frame)window).setUndecorated(true);
168 window.addWindowStateListener(this);
169 window.setVisible(true);
172 protected void makeVisible() { }
174 protected void _setMaximized(boolean m) {
176 if (Log.on) Log.log(this, "JDK 1.4 can only maximize frames, not windows");
179 frame.setExtendedState(m ? Frame.MAXIMIZED_BOTH : (minimized ? Frame.ICONIFIED : Frame.NORMAL));
181 protected void _setMinimized(boolean m) {
183 if (Log.on) Log.log(this, "JDK 1.4 can only minimize frames, not windows");
186 frame.setExtendedState(m ? Frame.ICONIFIED : (maximized ? Frame.MAXIMIZED_BOTH : Frame.NORMAL));
188 public void windowStateChanged(WindowEvent e) {
189 if (e.getOldState() != e.getNewState()) {
190 if ((e.getNewState() & Frame.MAXIMIZED_BOTH) != 0) Maximized(true);
191 else if (((e.getOldState() & Frame.MAXIMIZED_BOTH) != 0) && (e.getNewState() & Frame.MAXIMIZED_BOTH) == 0)
197 protected static class Java2DoubleBuffer extends AWTDoubleBuffer {
198 private static ColorModel cm = Toolkit.getDefaultToolkit().getColorModel();
199 private static Hashtable emptyHashtable = new Hashtable();
200 private static short[] sbank = null;
201 private static int[] ibank = null;
202 private static byte[] bbank = null;
203 private static int bank_start = 0;
205 public void drawPicture(Picture source, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2) {
206 _doDrawImage(g, ((AWTPicture)source).i, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, null);
209 public Java2DoubleBuffer(int w, int h) {
210 SampleModel sm = cm.createCompatibleSampleModel(w, h);
211 int numSamples = w * h * sm.getNumDataElements();
212 DataBuffer buf = null;
213 if (sm.getDataType() == DataBuffer.TYPE_USHORT) {
214 if (sbank == null || numSamples > 512 * 512 / 3) {
215 buf = new DataBufferUShort(numSamples);
217 if (numSamples > sbank.length - bank_start) {
219 sbank = new short[512 * 512];
221 buf = new DataBufferUShort(sbank, numSamples, bank_start);
222 bank_start += numSamples;
224 } else if (sm.getDataType() == DataBuffer.TYPE_BYTE) {
225 if (bbank == null || numSamples > 512 * 512 / 3) {
226 buf = new DataBufferByte(numSamples);
228 if (numSamples > bbank.length - bank_start) {
230 bbank = new byte[512 * 512];
232 buf = new DataBufferByte(bbank, numSamples, bank_start);
233 bank_start += numSamples;
235 } else if (sm.getDataType() == DataBuffer.TYPE_INT) {
236 if (ibank == null || numSamples > 512 * 512 / 3) {
237 buf = new DataBufferInt(numSamples);
239 if (numSamples > ibank.length - bank_start) {
241 ibank = new int[512 * 512];
243 buf = new DataBufferInt(ibank, numSamples, bank_start);
244 bank_start += numSamples;
247 i = new BufferedImage(cm, Raster.createWritableRaster(sm, buf, null), false, emptyHashtable);
252 /** used to avoid garbage creation with getClipBounds() */
253 private static Rectangle clipBounds = new Rectangle();
255 protected static void _doDrawImage(Graphics g, Image i, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver o) {
256 if (dx1 == dx2 || dy1 == dy2) return;
257 g.drawImage(i, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, o);
260 protected org.xwt.Weak _getWeak(Object o) { return new Java2Weak(o); }
261 private static class Java2Weak extends java.lang.ref.WeakReference implements org.xwt.Weak {
262 public Java2Weak(Object o) { super(o); }
265 private String __getClipBoard() { return super._getClipBoard(); }
266 protected String _getClipBoard() {
267 return (String)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
268 public Object run() { return __getClipBoard(); }
272 private void __setClipBoard(String s) { super._setClipBoard(s); }
273 protected void _setClipBoard(final String s) {
274 java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
275 public Object run() {
282 protected String getDescriptiveName() { return isJava14 ? "Java 1.4+ JVM" : "Java 1.2+ JVM"; }
284 protected void _newBrowserWindow(String url) {
287 if (Main.applet == null) {
288 if (Log.on) Log.log(this, "Main.applet is null; cannot invoke showDocument()");
291 if (Log.on) Log.log(this, "asking browser to show URL " + url);
293 Main.applet.getAppletContext().showDocument(new URL(url), "_blank");
294 } catch (MalformedURLException e) {
295 if (Log.on) Log.log(this, e);