--- /dev/null
+// Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
+package org.xwt.plat;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.awt.image.*;
+import java.awt.datatransfer.*;
+import java.net.*;
+import java.io.*;
+import java.util.*;
+import org.xwt.util.*;
+import org.xwt.*;
+import java.lang.reflect.*;
+
+
+/** Platform class for most reasonable Java1.2+ Java2s */
+public class Java2 extends AWT {
+
+ private boolean isJava14 = false;
+ protected boolean _supressDirtyOnResize() { return isJava14 ? false : true; }
+
+ public Java2() {
+ // disable the focus manager so we can intercept the tab key
+ double version = Double.parseDouble(System.getProperty("java.version", ""));
+ if (version >= 1.4) {
+ isJava14 = true;
+ try {
+ Toolkit t = java.awt.Toolkit.getDefaultToolkit();
+ Method m = java.awt.Toolkit.class.getMethod("setDynamicLayout", new Class[] { Boolean.class });
+ m.invoke(t, new Object[] { Boolean.TRUE });
+ } catch (Exception e) {
+ Log.log(this, "Exception while trying to enable AWT Dynamic Layout");
+ Log.log(this, e);
+ }
+ }
+ javax.swing.FocusManager.setCurrentManager(new javax.swing.FocusManager() {
+ public void processKeyEvent(Component focusedComponent, KeyEvent anEvent) { }
+ public void focusPreviousComponent(Component aComponent) { }
+ public void focusNextComponent(Component aComponent) { }
+ });
+ }
+
+ /** 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 */
+ protected synchronized org.xwt.Proxy _detectProxy() {
+ return (org.xwt.Proxy)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
+ public Object run() {
+ try {
+ org.xwt.Proxy pi = new org.xwt.Proxy();
+
+ Class PluginProxyHandler = Class.forName("sun.plugin.protocol.PluginProxyHandler");
+ Method getDefaultProxyHandler = PluginProxyHandler.getMethod("getDefaultProxyHandler", new Class[] { });
+ Object proxyHandler = getDefaultProxyHandler.invoke(null, new Object[] { });
+
+ Class ProxyHandler = Class.forName("sun.plugin.protocol.ProxyHandler");
+ Method getProxyInfo = ProxyHandler.getMethod("getProxyInfo", new Class[] { URL.class });
+ Object proxyInfo = getProxyInfo.invoke(proxyHandler, new Object[] { new URL("http://www.xwt.org") });
+
+ Class ProxyInfo = Class.forName("sun.plugin.protocol.ProxyInfo");
+
+ if (((Boolean)ProxyInfo.getMethod("isSocksUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
+ pi.socksProxyHost =
+ (String)ProxyInfo.getMethod("getSocksProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
+ pi.socksProxyPort =
+ ((Integer)ProxyInfo.getMethod("getSocksPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
+ }
+
+ if (((Boolean)ProxyInfo.getMethod("isProxyUsed", new Class[] { }).invoke(proxyInfo, new Object[] { })).booleanValue()) {
+ pi.httpProxyHost =
+ (String)ProxyInfo.getMethod("getProxy", new Class[] { }).invoke(proxyInfo, new Object[] { });
+ pi.httpProxyPort =
+ ((Integer)ProxyInfo.getMethod("getPort", new Class[] { }).invoke(proxyInfo, new Object[] { })).intValue();
+ }
+
+ if (pi.httpProxyHost != null || pi.socksProxyHost != null) return pi;
+ else return null;
+
+ } catch (Throwable e) {
+ if (Log.on) Log.log(this, "exception while querying sun.plugin.protocol.PluginProxyHandler: " + e);
+ return null;
+ }
+ }});
+ }
+
+ protected Socket __getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
+ return super._getSocket(host, port, ssl, negotiate);
+ }
+ protected Socket _getSocket(final String host, final int port, final boolean ssl, final boolean negotiate) throws IOException {
+ return (Socket)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
+ public Object run() {
+ try {
+ return __getSocket(host, port, ssl, negotiate);
+ } catch (Exception e) {
+ if (Log.on) Log.log(Java2.class, "Error attempting to create socket");
+ if (Log.on) Log.log(Java2.class, e);
+ return null;
+ }
+ }
+ });
+ }
+
+ protected DoubleBuffer _createDoubleBuffer(int w, int h, Surface owner) { return new Java2DoubleBuffer(w, h); }
+ protected Surface _createSurface(final Box root, final boolean framed) {
+ return (Surface)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
+ public Object run() { return isJava14 ? new Java14Surface(root, framed) : new Java2Surface(root, framed); }
+ });
+ }
+
+ // Inner Classes //////////////////////////////////////////////////////////////////
+
+ private static Cursor invisibleCursor =
+ Toolkit.getDefaultToolkit().createCustomCursor(new BufferedImage(2, 2, BufferedImage.TYPE_INT_ARGB),
+ new Point(1, 1), "invisible");
+
+ protected static class Java2Surface extends AWTSurface {
+
+ public Java2Surface(Box root, boolean framed) { super(root, framed); }
+
+ public void blit(DoubleBuffer s, int sx, int sy, int dx, int dy, int dx2, int dy2) {
+ if (ourGraphics == null) {
+ ourGraphics = window.getGraphics();
+
+ // sometimes jdk1.4 doesn't set the clip properly when we're in the middle of a resize
+ ourGraphics.setClip(insets.left, insets.top, width + insets.left, height + insets.top);
+ }
+ _doDrawImage(ourGraphics, ((AWTDoubleBuffer)s).i, dx + insets.left, dy + insets.top, dx2 + insets.left, dy2 + insets.top,
+ sx, sy, sx + (dx2 - dx), sy + (dy2 - dy), null);
+ }
+
+ protected void _setMinimized(boolean b) {
+ if (frame == null) {
+ if (Log.on) Log.log(this, "JDK 1.2 can only minimize frames, not windows");
+ return;
+ }
+ if (b) frame.setState(java.awt.Frame.ICONIFIED);
+ else frame.setState(java.awt.Frame.NORMAL);
+ }
+
+ public void syncCursor() {
+ if (cursor.equals("invisible")) window.setCursor(invisibleCursor);
+ else super.syncCursor();
+ }
+ }
+
+ protected static class Java14Surface extends Java2Surface implements WindowStateListener {
+ public Java14Surface(Box root, boolean framed) {
+ super(root, true);
+ // JDK1.4 doesn't like java.lang.Window's...
+ if (!framed) ((Frame)window).setUndecorated(true);
+ window.addWindowStateListener(this);
+ window.setVisible(true);
+ }
+
+ protected void makeVisible() { }
+
+ protected void _setMaximized(boolean m) {
+ if (frame == null) {
+ if (Log.on) Log.log(this, "JDK 1.4 can only maximize frames, not windows");
+ return;
+ }
+ frame.setExtendedState(m ? Frame.MAXIMIZED_BOTH : (minimized ? Frame.ICONIFIED : Frame.NORMAL));
+ }
+ protected void _setMinimized(boolean m) {
+ if (frame == null) {
+ if (Log.on) Log.log(this, "JDK 1.4 can only minimize frames, not windows");
+ return;
+ }
+ frame.setExtendedState(m ? Frame.ICONIFIED : (maximized ? Frame.MAXIMIZED_BOTH : Frame.NORMAL));
+ }
+ public void windowStateChanged(WindowEvent e) {
+ if (e.getOldState() != e.getNewState()) {
+ if ((e.getNewState() & Frame.MAXIMIZED_BOTH) != 0) Maximized(true);
+ else if (((e.getOldState() & Frame.MAXIMIZED_BOTH) != 0) && (e.getNewState() & Frame.MAXIMIZED_BOTH) == 0)
+ Maximized(false);
+ }
+ }
+ }
+
+ protected static class Java2DoubleBuffer extends AWTDoubleBuffer {
+ private static ColorModel cm = Toolkit.getDefaultToolkit().getColorModel();
+ private static Hashtable emptyHashtable = new Hashtable();
+ private static short[] sbank = null;
+ private static int[] ibank = null;
+ private static byte[] bbank = null;
+ private static int bank_start = 0;
+
+ public void drawPicture(Picture source, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2) {
+ _doDrawImage(g, ((AWTPicture)source).i, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, null);
+ }
+
+ public Java2DoubleBuffer(int w, int h) {
+ SampleModel sm = cm.createCompatibleSampleModel(w, h);
+ int numSamples = w * h * sm.getNumDataElements();
+ DataBuffer buf = null;
+ if (sm.getDataType() == DataBuffer.TYPE_USHORT) {
+ if (sbank == null || numSamples > 512 * 512 / 3) {
+ buf = new DataBufferUShort(numSamples);
+ } else {
+ if (numSamples > sbank.length - bank_start) {
+ bank_start = 0;
+ sbank = new short[512 * 512];
+ }
+ buf = new DataBufferUShort(sbank, numSamples, bank_start);
+ bank_start += numSamples;
+ }
+ } else if (sm.getDataType() == DataBuffer.TYPE_BYTE) {
+ if (bbank == null || numSamples > 512 * 512 / 3) {
+ buf = new DataBufferByte(numSamples);
+ } else {
+ if (numSamples > bbank.length - bank_start) {
+ bank_start = 0;
+ bbank = new byte[512 * 512];
+ }
+ buf = new DataBufferByte(bbank, numSamples, bank_start);
+ bank_start += numSamples;
+ }
+ } else if (sm.getDataType() == DataBuffer.TYPE_INT) {
+ if (ibank == null || numSamples > 512 * 512 / 3) {
+ buf = new DataBufferInt(numSamples);
+ } else {
+ if (numSamples > ibank.length - bank_start) {
+ bank_start = 0;
+ ibank = new int[512 * 512];
+ }
+ buf = new DataBufferInt(ibank, numSamples, bank_start);
+ bank_start += numSamples;
+ }
+ }
+ i = new BufferedImage(cm, Raster.createWritableRaster(sm, buf, null), false, emptyHashtable);
+ g = i.getGraphics();
+ }
+ }
+
+ /** used to avoid garbage creation with getClipBounds() */
+ private static Rectangle clipBounds = new Rectangle();
+
+ 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) {
+ if (dx1 == dx2 || dy1 == dy2) return;
+ g.drawImage(i, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, o);
+ }
+
+ protected org.xwt.Weak _getWeak(Object o) { return new Java2Weak(o); }
+ private static class Java2Weak extends java.lang.ref.WeakReference implements org.xwt.Weak {
+ public Java2Weak(Object o) { super(o); }
+ }
+
+ private String __getClipBoard() { return super._getClipBoard(); }
+ protected String _getClipBoard() {
+ return (String)java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
+ public Object run() { return __getClipBoard(); }
+ });
+ }
+
+ private void __setClipBoard(String s) { super._setClipBoard(s); }
+ protected void _setClipBoard(final String s) {
+ java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {
+ public Object run() {
+ __setClipBoard(s);
+ return null;
+ }
+ });
+ }
+
+ protected String getDescriptiveName() { return "Java 1.2+ JVM"; }
+
+ protected void _newBrowserWindow(String url) {
+ if (Main.applet == null) {
+ if (Log.on) Log.log(this, "Main.applet is null; cannot invoke showDocument()");
+ return;
+ }
+ if (Log.on) Log.log(this, "asking browser to show URL " + url);
+ try {
+ Main.applet.getAppletContext().showDocument(new URL(url), "_blank");
+ } catch (MalformedURLException e) {
+ if (Log.on) Log.log(this, e);
+ }
+ }
+
+}
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