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() { return isJava14 ? false : true; }
23 // disable the focus manager so we can intercept the tab key
24 double version = Double.parseDouble(System.getProperty("java.version", ""));
28 Toolkit t = java.awt.Toolkit.getDefaultToolkit();
29 Method m = java.awt.Toolkit.class.getMethod("setDynamicLayout", new Class[] { Boolean.class });
30 m.invoke(t, new Object[] { Boolean.TRUE });
31 } catch (Exception e) {
32 Log.log(this, "Exception while trying to enable AWT Dynamic Layout");
36 javax.swing.FocusManager.setCurrentManager(new javax.swing.FocusManager() {
37 public void processKeyEvent(Component focusedComponent, KeyEvent anEvent) { }
38 public void focusPreviousComponent(Component aComponent) { }
39 public void focusNextComponent(Component aComponent) { }
43 /** 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 */
44 protected synchronized org.xwt.Proxy _detectProxy() {
45 return (org.xwt.Proxy)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
48 org.xwt.Proxy pi = new org.xwt.Proxy();
50 Class PluginProxyHandler = Class.forName("sun.plugin.protocol.PluginProxyHandler");
51 Method getDefaultProxyHandler = PluginProxyHandler.getMethod("getDefaultProxyHandler", new Class[] { });
52 Object proxyHandler = getDefaultProxyHandler.invoke(null, new Object[] { });
54 Class ProxyHandler = Class.forName("sun.plugin.protocol.ProxyHandler");
55 Method getProxyInfo = ProxyHandler.getMethod("getProxyInfo", new Class[] { URL.class });
56 Object proxyInfo = getProxyInfo.invoke(proxyHandler, new Object[] { new URL("http://www.xwt.org") });
58 Class ProxyInfo = Class.forName("sun.plugin.protocol.ProxyInfo");
60 if (((Boolean)ProxyInfo.getMethod("isSocksUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
62 (String)ProxyInfo.getMethod("getSocksProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
64 ((Integer)ProxyInfo.getMethod("getSocksPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
67 if (((Boolean)ProxyInfo.getMethod("isProxyUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
69 (String)ProxyInfo.getMethod("getProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
71 ((Integer)ProxyInfo.getMethod("getPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
74 if (pi.httpProxyHost != null || pi.socksProxyHost != null) return pi;
77 } catch (Throwable e) {
78 if (Log.on) Log.log(this, "exception while querying sun.plugin.protocol.PluginProxyHandler: " + e);
84 protected Socket __getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
85 return super._getSocket(host, port, ssl, negotiate);
87 protected Socket _getSocket(final String host, final int port, final boolean ssl, final boolean negotiate) throws IOException {
88 return (Socket)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
91 return __getSocket(host, port, ssl, negotiate);
92 } catch (Exception e) {
93 if (Log.on) Log.log(Java2.class, "Error attempting to create socket");
94 if (Log.on) Log.log(Java2.class, e);
101 protected DoubleBuffer _createDoubleBuffer(int w, int h, Surface owner) { return new Java2DoubleBuffer(w, h); }
102 protected Surface _createSurface(final Box root, final boolean framed) {
103 return (Surface)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
104 public Object run() { return isJava14 ? new Java14Surface(root, framed) : new Java2Surface(root, framed); }
108 // Inner Classes //////////////////////////////////////////////////////////////////
110 private static Cursor invisibleCursor =
111 Toolkit.getDefaultToolkit().createCustomCursor(new BufferedImage(2, 2, BufferedImage.TYPE_INT_ARGB),
112 new Point(1, 1), "invisible");
114 protected static class Java2Surface extends AWTSurface {
116 public Java2Surface(Box root, boolean framed) { super(root, framed); }
118 public void blit(DoubleBuffer s, int sx, int sy, int dx, int dy, int dx2, int dy2) {
119 if (ourGraphics == null) {
120 ourGraphics = window.getGraphics();
122 // sometimes jdk1.4 doesn't set the clip properly when we're in the middle of a resize
123 ourGraphics.setClip(insets.left, insets.top, width + insets.left, height + insets.top);
125 _doDrawImage(ourGraphics, ((AWTDoubleBuffer)s).i, dx + insets.left, dy + insets.top, dx2 + insets.left, dy2 + insets.top,
126 sx, sy, sx + (dx2 - dx), sy + (dy2 - dy), null);
129 protected void _setMinimized(boolean b) {
131 if (Log.on) Log.log(this, "JDK 1.2 can only minimize frames, not windows");
134 if (b) frame.setState(java.awt.Frame.ICONIFIED);
135 else frame.setState(java.awt.Frame.NORMAL);
138 public void syncCursor() {
139 if (cursor.equals("invisible")) window.setCursor(invisibleCursor);
140 else super.syncCursor();
144 protected static class Java14Surface extends Java2Surface implements WindowStateListener {
145 public Java14Surface(Box root, boolean framed) {
147 // JDK1.4 doesn't like java.lang.Window's...
148 if (!framed) ((Frame)window).setUndecorated(true);
149 window.addWindowStateListener(this);
150 window.setVisible(true);
153 protected void makeVisible() { }
155 protected void _setMaximized(boolean m) {
157 if (Log.on) Log.log(this, "JDK 1.4 can only maximize frames, not windows");
160 frame.setExtendedState(m ? Frame.MAXIMIZED_BOTH : (minimized ? Frame.ICONIFIED : Frame.NORMAL));
162 protected void _setMinimized(boolean m) {
164 if (Log.on) Log.log(this, "JDK 1.4 can only minimize frames, not windows");
167 frame.setExtendedState(m ? Frame.ICONIFIED : (maximized ? Frame.MAXIMIZED_BOTH : Frame.NORMAL));
169 public void windowStateChanged(WindowEvent e) {
170 if (e.getOldState() != e.getNewState()) {
171 if ((e.getNewState() & Frame.MAXIMIZED_BOTH) != 0) Maximized(true);
172 else if (((e.getOldState() & Frame.MAXIMIZED_BOTH) != 0) && (e.getNewState() & Frame.MAXIMIZED_BOTH) == 0)
178 protected static class Java2DoubleBuffer extends AWTDoubleBuffer {
179 private static ColorModel cm = Toolkit.getDefaultToolkit().getColorModel();
180 private static Hashtable emptyHashtable = new Hashtable();
181 private static short[] sbank = null;
182 private static int[] ibank = null;
183 private static byte[] bbank = null;
184 private static int bank_start = 0;
186 public void drawPicture(Picture source, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2) {
187 _doDrawImage(g, ((AWTPicture)source).i, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, null);
190 public Java2DoubleBuffer(int w, int h) {
191 SampleModel sm = cm.createCompatibleSampleModel(w, h);
192 int numSamples = w * h * sm.getNumDataElements();
193 DataBuffer buf = null;
194 if (sm.getDataType() == DataBuffer.TYPE_USHORT) {
195 if (sbank == null || numSamples > 512 * 512 / 3) {
196 buf = new DataBufferUShort(numSamples);
198 if (numSamples > sbank.length - bank_start) {
200 sbank = new short[512 * 512];
202 buf = new DataBufferUShort(sbank, numSamples, bank_start);
203 bank_start += numSamples;
205 } else if (sm.getDataType() == DataBuffer.TYPE_BYTE) {
206 if (bbank == null || numSamples > 512 * 512 / 3) {
207 buf = new DataBufferByte(numSamples);
209 if (numSamples > bbank.length - bank_start) {
211 bbank = new byte[512 * 512];
213 buf = new DataBufferByte(bbank, numSamples, bank_start);
214 bank_start += numSamples;
216 } else if (sm.getDataType() == DataBuffer.TYPE_INT) {
217 if (ibank == null || numSamples > 512 * 512 / 3) {
218 buf = new DataBufferInt(numSamples);
220 if (numSamples > ibank.length - bank_start) {
222 ibank = new int[512 * 512];
224 buf = new DataBufferInt(ibank, numSamples, bank_start);
225 bank_start += numSamples;
228 i = new BufferedImage(cm, Raster.createWritableRaster(sm, buf, null), false, emptyHashtable);
233 /** used to avoid garbage creation with getClipBounds() */
234 private static Rectangle clipBounds = new Rectangle();
236 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) {
237 if (dx1 == dx2 || dy1 == dy2) return;
238 g.drawImage(i, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, o);
241 protected org.xwt.Weak _getWeak(Object o) { return new Java2Weak(o); }
242 private static class Java2Weak extends java.lang.ref.WeakReference implements org.xwt.Weak {
243 public Java2Weak(Object o) { super(o); }
246 private String __getClipBoard() { return super._getClipBoard(); }
247 protected String _getClipBoard() {
248 return (String)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
249 public Object run() { return __getClipBoard(); }
253 private void __setClipBoard(String s) { super._setClipBoard(s); }
254 protected void _setClipBoard(final String s) {
255 java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
256 public Object run() {
263 protected String getDescriptiveName() { return "Java 1.2+ JVM"; }
265 protected void _newBrowserWindow(String url) {
266 if (Main.applet == null) {
267 if (Log.on) Log.log(this, "Main.applet is null; cannot invoke showDocument()");
270 if (Log.on) Log.log(this, "asking browser to show URL " + url);
272 Main.applet.getAppletContext().showDocument(new URL(url), "_blank");
273 } catch (MalformedURLException e) {
274 if (Log.on) Log.log(this, e);