-// Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
+// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
package org.xwt;
import java.lang.reflect.*;
static boolean alreadyDetectedProxy = false;
/** the result of proxy autodetection */
- static HTTP.ProxyInfo cachedProxyInfo = null;
+ static HTTP.Proxy cachedProxyInfo = null;
+
+ /** the current build */
+ public static String build = "unknown";
// VM Detection Logic /////////////////////////////////////////////////////////////////////
// reflection.
static {
- System.out.println("Detecting JVM...");
+ System.err.println("Detecting JVM...");
try {
String vendor = System.getProperty("java.vendor", "");
String version = System.getProperty("java.version", "");
String os_name = System.getProperty("os.name", "");
+ String os_version = System.getProperty("os.version", "");
String platform_class = null;
- //if (os_name.startsWith("Mac OS X")) platform_class = "MacOSX";
- if (vendor.startsWith("Free Software Foundation")) {
+ if (os_name.startsWith("Darwin")) platform_class = "Darwin";
+ else if (vendor.startsWith("Free Software Foundation")) {
if (os_name.startsWith("Window")) platform_class = "Win32";
- else platform_class = "POSIX";
+ else platform_class = "X11";
} else if (version.startsWith("1.1") && vendor.startsWith("Netscape")) platform_class = "Netscape";
else if (version.startsWith("1.1") && vendor.startsWith("Microsoft")) platform_class = "Microsoft";
- else if (version.startsWith("1.4")) platform_class = "Java14";
- else if (!version.startsWith("1.0") && !version.startsWith("1.1")) platform_class = "Java12";
+ else if (!version.startsWith("1.0") && !version.startsWith("1.1")) platform_class = "Java2";
+
+ /*
+ // Disable 2d hardware acceleration on Jaguar
+ if (os_name.equals("Mac OS X") && os_version.equals("10.2"))
+ */
+ System.setProperty("com.apple.hwaccel", "false");
if (platform_class != null) {
platform = (Platform)Class.forName("org.xwt.plat." + platform_class).newInstance();
platform.init();
}
+ try {
+ build = (String)Class.forName("org.xwt.Build").getField("build").get(null);
+ } catch (ClassNotFoundException cnfe) {
+ } catch (Exception e) {
+ if (Log.on) Log.log(Platform.class, "exception while detecting build:");
+ if (Log.on) Log.log(Platform.class, e);
+ }
+ if (Log.on) Log.log(Platform.class, "XWT build: " + build);
+
if (Log.on) Log.log(Platform.class, "XWT VM detection: vendor = " + vendor);
if (Log.on) Log.log(Platform.class, " version = " + version);
- if (Log.on) Log.log(Platform.class, " os = " + os_name);
+ if (Log.on) Log.log(Platform.class, " os = " + os_name + " [version " + os_version + "]");
if (platform_class == null) {
if (Log.on) Log.log(Platform.class, "Unable to detect JVM");
- System.exit(-1);
+ new Platform().criticalAbort("Unable to detect JVM");
}
if (Log.on) Log.log(Platform.class, " platform = " + platform.getDescriptiveName());
if (Log.on) Log.log(Platform.class, " class = " + platform.getClass().getName());
+ platform.postInit();
} catch (Exception e) {
if (Log.on) Log.log(Platform.class, "Exception while trying to detect JVM");
if (Log.on) Log.log(Platform.class, e);
- System.exit(-1);
+ new Platform().criticalAbort("Unable to detect JVM");
}
}
/** this initializes the platform; code in here can invoke methods on Platform since Platform.platform has already been set */
protected void init() { }
+ protected void postInit() { }
- /** creates and returns a doublebuffer 'belonging' to <tt>owner</tt>; we need to associate DoubleBuffers to surfaces
+ /** creates and returns a doublebuffer 'belonging' to <tt>owner</tt>; we need to associate PixelBuffers to surfaces
* due to AWT 1.1 requirements (definately for Navigator, possibly also for MSJVM).
*/
- protected DoubleBuffer _createDoubleBuffer(int w, int h, Surface owner) { return null; }
+ public static PixelBuffer createPixelBuffer(int w, int h, Surface s) { return platform._createPixelBuffer(w, h, s); }
+ protected PixelBuffer _createPixelBuffer(int w, int h, Surface owner) { return null; }
- /** creates and returns a new surface */
- protected Surface _createSurface(Box b, boolean framed) { return null; }
+ /** creates and returns a picture */
+ public static Picture createPicture(int[] data, int w, int h) { return platform._createPicture(data, w, h); }
+ public static Picture createAlphaOnlyPicture(byte[] data, int w, int h) { return platform._createAlphaOnlyPicture(data, w, h); }
+
+ protected Picture _createPicture(int[] b, int w, int h) { return null; }
+ protected Picture _createAlphaOnlyPicture(byte[] b, int w, int h) {
+ int[] b2 = new int[b.length];
+ for(int i=0;i<b.length;i++) b2[i] = (b[i]&0xff) << 24;
+ return _createPicture(b2,w,h);
+ }
/** creates a socket object */
+ public static Socket getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
+ return platform._getSocket(host, port, ssl, negotiate);
+ }
protected Socket _getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
- return ssl ? new TinySSL(host, port, negotiate) : new Socket(java.net.InetAddress.getByName(host), port);
+ Socket ret = ssl ? new TinySSL(host, port, negotiate) : new Socket(java.net.InetAddress.getByName(host), port);
+ ret.setTcpNoDelay(true);
+ return ret;
}
-
- /** creates and returns a picture */
- protected Picture _createPicture(int[] b, int w, int h) { return null; }
/** should return true if it is safe to supress full-surface dirties immediately after a window resize */
+ public static boolean supressDirtyOnResize() { return platform._supressDirtyOnResize(); }
protected boolean _supressDirtyOnResize() { return false; }
/** the human-readable name of the key mapped to XWT's 'alt' key */
+ public static String altKeyName() { return platform._altKeyName(); }
protected String _altKeyName() { return "alt"; }
- /** opens a connection to the resource identified by URL u, and returns an InputStream */
- protected InputStream _urlToInputStream(URL u) throws IOException { return u.openStream(); }
-
/** returns the contents of the clipboard */
+ public static Object getClipBoard() { return clipboardReadEnabled ? platform._getClipBoard() : null; }
protected String _getClipBoard() { return null; }
/** sets the contents of the clipboard */
+ public static void setClipBoard(String s) { platform._setClipBoard(s); }
protected void _setClipBoard(String s) { }
/** returns the width of the screen, in pixels */
+ public static int getScreenWidth() { return platform._getScreenWidth(); }
protected int _getScreenWidth() { return 640; }
/** returns the height of the screen, in pixels */
+ public static int getScreenHeight() { return platform._getScreenHeight(); }
protected int _getScreenHeight() { return 480; }
- /** returns the width of a string in a platform-specific font */
- protected int _stringWidth(String font, String text) { return 10 * text.length(); }
-
- /** returns the maximum ascent of all glyphs in a given platform-specific font */
- protected int _getMaxAscent(String font) { return 10; }
-
- /** returns the maximum descent of all glyphs in a given platform-specific font */
- protected int _getMaxDescent(String font) { return 2; }
-
- /** returns a list of all platform-specific fonts available */
- protected String[] _listFonts() { return new String[] { }; }
-
/** returns the maximum number of threads that the XWT engine can create without adversely affecting the host OS */
+ public static int maxThreads() { return platform._maxThreads(); }
protected int _maxThreads() { return 25; }
- /** creates a weak reference */
- protected org.xwt.Weak _getWeak(final Object o) {
- return new org.xwt.Weak() {
- public Object get() { return o; }
- };
- }
-
- /** quits XWT */
- protected void _exit() { System.exit(0); }
-
/** used to notify the user of very serious failures; usually used when logging is not working or unavailable */
protected void _criticalAbort(String message) { System.exit(-1); }
- /** used to notify the user of very serious failures; usually used when logging is not working or unavailable */
- protected String _getDefaultFont() { return "sansserif10"; }
-
/** if true, org.xwt.Surface will generate a Click automatically after a press and a release */
+ public static boolean needsAutoClick() { return platform._needsAutoClick(); }
protected boolean _needsAutoClick() { return false; }
/** if true, org.xwt.Surface will generate a DoubleClick automatically after recieving two clicks in a short period of time */
+ public static boolean needsAutoDoubleClick() { return platform._needsAutoDoubleClick(); }
protected boolean _needsAutoDoubleClick() { return false; }
- protected void _newBrowserWindow(String url) {
- if (Log.on) Log.log(this, "Platform " + platform.getClass().getName() + " cannot open browser windows");
- return;
- }
-
- /** Returns null if XWT should always use direct connection; otherwise returns a ProxyInfo object with proxy settings */
- protected synchronized HTTP.ProxyInfo _detectProxy() { return null; }
-
- /** displays a platform-specific "open file" dialog and returns the chosen filename, or null if the user hit cancel */
- protected String _fileDialog(String suggestedFileName, boolean write) { return null; }
-
/** returns true iff the platform has a case-sensitive filesystem */
+ public static boolean isCaseSensitive() { return platform._isCaseSensitive(); }
protected boolean _isCaseSensitive() { return true; }
-
- // Static methods -- thunk to the instance /////////////////////////////////////////////////////////////////////////
-
- /** if true, org.xwt.Surface should generate Click messages automatically when a Release happens after a Press and the mouse has not moved much */
- public static boolean needsAutoClick() { return platform._needsAutoClick(); }
-
- /** if true, org.xwt.Surface should generate DoubleClick messages automatically when needed */
- public static boolean needsAutoDoubleClick() { return platform._needsAutoDoubleClick(); }
-
- /** should return true if it is safe to supress full-surface dirties immediately after a window resize */
- public static String getDefaultFont() { return platform._getDefaultFont(); }
-
- /** should return true if it is safe to supress full-surface dirties immediately after a window resize */
- public static boolean supressDirtyOnResize() { return platform._supressDirtyOnResize(); }
-
- /** returns the width of a string in a platform-specific font */
- public static int stringWidth(String font, String text) { return platform._stringWidth(font, text); }
-
- /** returns the maximum ascent of all glyphs in a given platform-specific font */
- public static int getMaxAscent(String font) { return platform._getMaxAscent(font); }
-
- /** returns the maximum descent of all glyphs in a given platform-specific font. Three pixel minimum ensures space for underline. */
- public static int getMaxDescent(String font) { return Math.max(3, platform._getMaxDescent(font)); }
-
- /** returns the maximum number of threads that the XWT engine can create without adversely affecting the host OS */
- public static int maxThreads() { return platform._maxThreads(); }
-
- /** returns a list of all platform-specific fonts available */
- public static String[] listFonts() { return platform._listFonts(); }
-
- /** creates a weak reference */
- public static org.xwt.Weak getWeak(Object o) { return platform._getWeak(o); }
-
- /** opens a connection to the resource identified by URL u, and returns an InputStream */
- public static InputStream urlToInputStream(URL u) throws IOException { return platform._urlToInputStream(u); }
-
- /** returns the contents of the clipboard */
- public static Object getClipBoard() { return clipboardReadEnabled ? platform._getClipBoard() : null; }
-
- /** sets the contents of the clipboard */
- public static void setClipBoard(String s) { platform._setClipBoard(s); }
-
- /** creates a socket object, with or without ssl encryption */
- public static Socket getSocket(String host, int port, boolean ssl, boolean negotiate) throws IOException {
- return platform._getSocket(host, port, ssl, negotiate);
+ /** returns an InputStream to the builtin xwar */
+ public static InputStream getBuiltinInputStream() { return platform._getBuiltinInputStream(); }
+ protected InputStream _getBuiltinInputStream() {
+ return this.getClass().getClassLoader().getResourceAsStream("org/xwt/builtin.jar");
}
- /** returns the width of the screen, in pixels */
- public static int getScreenWidth() { return platform._getScreenWidth(); }
-
- /** returns the height of the screen, in pixels */
- public static int getScreenHeight() { return platform._getScreenHeight(); }
-
- /** creates and returns a doublebuffer 'belonging' to <tt>owner</tt> */
- public static DoubleBuffer createDoubleBuffer(int w, int h, Surface s) { return platform._createDoubleBuffer(w, h, s); }
-
- /** creates and returns a picture */
- public static Picture createPicture(int[] data, int w, int h) { return platform._createPicture(data, w, h); }
-
- /** creates and returns a picture */
- public static Picture createPicture(ImageDecoder i) { return platform._createPicture(i.getData(), i.getWidth(), i.getHeight()); }
+ /** returns the value of the environment variable key, or null if no such key exists */
+ public static String getEnv(String key) { return platform._getEnv(key); }
+ protected String _getEnv(String key) {
+ try {
+ String os = System.getProperty("os.name").toLowerCase();
+ Process p;
+ if (os.indexOf("windows 9") != -1 || os.indexOf("windows me") != -1) {
+ // hack -- jdk1.2/1.3 on Win32 pop open an ugly DOS box; 1.4 does not
+ if (platform.getClass().getName().endsWith("Java12")) return null;
+ p = Runtime.getRuntime().exec("command.com /c set");
+ } else if (os.indexOf("windows") > -1) {
+ // hack -- jdk1.2/1.3 on Win32 pop open an ugly DOS box; 1.4 does not
+ if (platform.getClass().getName().endsWith("Java12")) return null;
+ p = Runtime.getRuntime().exec("cmd.exe /c set");
+ } else {
+ p = Runtime.getRuntime().exec("env");
+ }
+ BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
+ String s;
+ while ((s = br.readLine()) != null)
+ if (s.startsWith(key + "="))
+ return s.substring(key.length() + 1);
+ } catch (Exception e) {
+ if (Log.on) Log.log(this, "Exception while reading from environment:");
+ if (Log.on) Log.log(this, e);
+ }
+ return null;
+ }
- /** returns true iff the platform has a case-sensitive filesystem */
- public static boolean isCaseSensitive() { return platform._isCaseSensitive(); }
+ /** convert a JPEG into an Image */
+ public static synchronized Picture decodeJPEG(InputStream is, String name) { return platform._decodeJPEG(is, name); }
+ protected Picture _decodeJPEG(InputStream is, String name) { return null; }
/** displays a platform-specific "open file" dialog and returns the chosen filename, or null if the user hit cancel */
+ protected String _fileDialog(String suggestedFileName, boolean write) { return null; }
public static String fileDialog(String suggestedFileName, boolean write) {
if (!ThreadMessage.suspendThread()) return null;
try {
}
}
+ /** default implementation is Eric Albert's BrowserLauncher.java */
+ protected void _newBrowserWindow(String url) {
+ try {
+ Class c = Class.forName("edu.stanford.ejalbert.BrowserLauncher");
+ Method m = c.getMethod("openURL", new Class[] { String.class });
+ m.invoke(null, new String[] { url });
+ } catch (Exception e) {
+ Log.log(this, e);
+ }
+ }
+
/** opens a new browser window */
public static void newBrowserWindow(String url) {
if (!(url.startsWith("https://") || url.startsWith("http://") || url.startsWith("ftp://") || url.startsWith("mailto:"))) {
if (Log.on) Log.log(Platform.class, "xwt.newBrowserWindow() only supports http and https urls");
return;
}
+
+ // check the URL for well-formedness, as a defense against buffer overflow attacks
+ try {
+ String u = url;
+ if (u.startsWith("https")) u = "http" + u.substring(5);
+ new URL(u);
+ } catch (MalformedURLException e) {
+ if (Log.on) Log.log(Platform.class, "URL " + url + " is not well-formed");
+ if (Log.on) Log.log(Platform.class, e);
+ }
+
if (Log.on) Log.log(Platform.class, "newBrowserWindow, url = " + url);
platform._newBrowserWindow(url);
}
- /** quits XWT */
- public static void exit() {
- Log.log(Platform.class, "exiting via Platform.exit()");
- platform._exit();
- }
-
- /** the human-readable name of the key mapped to XWT's 'alt' key */
- public static String altKeyName() { return platform._altKeyName(); }
-
/** used to notify the user of very serious failures; usually used when logging is not working or unavailable */
public static void criticalAbort(String message) {
if (Log.on) Log.log(Platform.class, "Critical Abort:");
}
/** this method invokes the platform _createSurface() method and then enforces a few post-call invariants */
+ protected Surface _createSurface(Box b, boolean framed) { return null; }
public static Surface createSurface(Box b, boolean framed, boolean refreshable) {
Surface ret = platform._createSurface(b, framed);
- ret.setInvisible(b.invisible);
- b.set(Box.size, 0, ret.width);
- b.set(Box.size, 1, ret.height);
+ ret.setInvisible(false);
- Object titlebar = b.get("titlebar", null, true);
+ Object titlebar = b.get("titlebar", true);
if (titlebar != null) ret.setTitleBarText(titlebar.toString());
- Object icon = b.get("icon", null, true);
- if (icon != null && !"".equals(icon)) {
- Picture pic = Box.getPicture(icon.toString());
+ Object icon = b.get("icon", true);
+ if (icon != null && icon instanceof Res) {
+ Picture pic = Picture.fromRes((Res)icon);
if (pic != null) ret.setIcon(pic);
else if (Log.on) Log.log(Platform.class, "unable to load icon " + icon);
}
- ret.setLimits(b.dmin(0), b.dmin(1), b.dmax(0), b.dmax(1));
+ ret.setLimits(b.minwidth, b.minheight, b.maxwidth, b.maxheight);
if (refreshable) {
- Surface.refreshableSurfaceWasCreated = true;
Surface.allSurfaces.addElement(ret);
- ret.dirty(0, 0, ret.width, ret.height);
+ ret.dirty(0, 0, b.width, b.height);
ret.Refresh();
}
return ret;
}
/** detects proxy settings */
- public static synchronized HTTP.ProxyInfo detectProxy() {
+ protected synchronized HTTP.Proxy _detectProxy() { return null; }
+ public static synchronized HTTP.Proxy detectProxy() {
if (cachedProxyInfo != null) return cachedProxyInfo;
if (alreadyDetectedProxy) return null;
alreadyDetectedProxy = true;
- if (Log.on) Log.log(Platform.class, "attempting xwt-proxy DNS proxy detection");
- cachedProxyInfo = HTTP.ProxyInfo.detectProxyViaManual();
+ if (Log.on) Log.log(Platform.class, "attempting environment-variable DNS proxy detection");
+ cachedProxyInfo = HTTP.Proxy.detectProxyViaManual();
if (cachedProxyInfo != null) return cachedProxyInfo;
if (Log.on) Log.log(Platform.class, "attempting " + platform.getClass().getName() + " proxy detection");
cachedProxyInfo = platform._detectProxy();
if (cachedProxyInfo != null) return cachedProxyInfo;
- if (Log.on) Log.log(Platform.class, "attempting WPAD proxy detection");
- cachedProxyInfo = HTTP.ProxyInfo.detectProxyViaWPAD();
- if (cachedProxyInfo != null) return cachedProxyInfo;
-
return cachedProxyInfo;
}
-
- // Helpful font parsing stuff //////////////////////////////////////////////////////
-
- public static class ParsedFont {
- public ParsedFont() { }
- public ParsedFont(String s) { parse(s); }
- public int size = 10;
- public String name = "";
-
- public boolean italic = false;
- public boolean bold = false;
- public boolean underline = false;
- public boolean dotted_underline = false;
-
- private static int stoi(Object o) {
- if (o == null) return 0;
- if (o instanceof Integer) return ((Integer)o).intValue();
-
- String s = o.toString();
- try { return Integer.parseInt(s.indexOf('.') == -1 ? s : s.substring(0, s.indexOf('.'))); }
- catch (NumberFormatException e) { return 0; }
- }
-
- public void parse(String font) {
- int i = 0;
- while(i < font.length() && !Character.isDigit(font.charAt(i)) && font.charAt(i) != '*') i++;
- name = font.substring(0, i).toLowerCase().replace('_', ' ');
- size = 10;
- italic = false;
- bold = false;
- underline = false;
- dotted_underline = false;
- if (i != font.length()) {
- if (font.charAt(i) == '*') {
- size = 0;
- i++;
- } else {
- int j = i;
- while (j < font.length() && Character.isDigit(font.charAt(j))) j++;
- if (i != j) size = stoi(font.substring(i, j));
- i = j;
- }
- while(i < font.length()) {
- switch (font.charAt(i)) {
- case 'b': bold = true; break;
- case 'i': italic = true; break;
- case 'd': dotted_underline = true; break;
- case 'u': underline = true; break;
- }
- i++;
- }
- }
- }
-
- }
-
+
+ public static void running() { platform._running(); }
+ public void _running() { new Semaphore().block(); }
}