-// 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.io.*;
import java.net.*;
import java.text.*;
import java.util.*;
+import org.xwt.js.*;
import org.xwt.util.*;
-import org.mozilla.javascript.*;
+import org.xwt.translators.*;
+import org.bouncycastle.util.encoders.Base64;
/** Singleton class that provides all functionality in the xwt.* namespace */
-public final class XWT extends JSObject {
+public final class XWT extends JS.Obj {
- public static final XWT singleton = new XWT();
- public String getClassName() { return "XWT"; }
- private XWT() { setSeal(true); }
+ public final Res rr;
+ public XWT(Res rr) { this.rr = rr; }
- public Object get(String name, Scriptable start) {
- if (name == null) return null;
- else if (name.equals("maxdim")) return new Integer(Short.MAX_VALUE);
- else if (name.equals("parseFloat")) return JSObject.defaultObjects.get("parseFloat", null);
- else if (name.equals("parseInt")) return JSObject.defaultObjects.get("parseInt", null);
- else if (name.equals("alt")) return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
+ private final JS xwtMath = new XWTMath();
+ private final JS xwtString = new XWTString();
+
+ /** each key is a string representing a filename which the user has already given XWT permission to write to */
+ private static Hashtable safeFiles = new Hashtable();
+
+ public Object get(Object name) {
+ if (name.equals("alt")) return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
+ else if (name.equals("rr")) return rr;
+ else if (name.equals("box")) return new Box();
else if (name.equals("control")) return Surface.control ? Boolean.TRUE : Boolean.FALSE;
else if (name.equals("shift")) return Surface.shift ? Boolean.TRUE : Boolean.FALSE;
- else if (name.equals("date")) return date;
- else if (name.equals("listfonts")) return listfonts;
- else if (name.equals("regexp")) return regexp;
- else if (name.equals("sleep")) return sleep;
- else if (name.equals("yield")) return yield;
- else if (name.equals("newBrowserWindow")) return newBrowserWindow;
- else if (name.equals("textwidth")) return textwidth;
- else if (name.equals("textheight")) return textheight;
- else if (name.equals("newBox")) return newBox;
- else if (name.equals("soap")) return soap;
- else if (name.equals("xmlrpc")) return xmlrpc;
else if (name.equals("clipboard")) return Platform.getClipBoard();
+ else if (name.equals("origin")) return Main.origin;
+ else if (name.equals("maxdim")) return new Integer(Short.MAX_VALUE);
else if (name.equals("altKeyName")) return Platform.altKeyName();
else if (name.equals("screenWidth")) return new Integer(Platform.getScreenWidth());
else if (name.equals("screenHeight")) return new Integer(Platform.getScreenHeight());
- else if (name.equals("static")) return Static.getStatic("");
- else if (name.equals("theme")) return theme;
+ else if (name.equals("fileSeparator")) return File.separator;
+ else if (name.equals("homeDir")) return System.getProperty("user.home");
+ else if (name.equals("tempDir")) return System.getProperty("java.io.tempdir");
+ else if (name.equals("math")) return xwtMath;
+ else if (name.equals("string")) return xwtString;
+ else if (name.equals("parseInt")) return xwtString.get("parseInt");
+ else if (name.equals("parseFloat")) return xwtString.get("parseFloat");
else if (name.equals("button")) {
if (Surface.button1 && !Surface.button2 && !Surface.button3) return new Integer(1);
else if (!Surface.button1 && Surface.button2 && !Surface.button3) return new Integer(1);
else if (!Surface.button1 && !Surface.button2 && Surface.button3) return new Integer(1);
else return new Integer(0);
}
- else if (name.equals("println")) return println;
- else if (name.equals("math")) return org.xwt.util.JSObject.defaultObjects.get("Math", null);
- else return super.get(name, start);
+ else return rr.get(name);
}
- public void put(String name, Scriptable start, Object value) {
- if (name == null) return;
- else if (name.equals("thread") && value != null && value instanceof Function) ThreadMessage.newthread((Function)value);
- else if (name.equals("clipboard")) Platform.setClipBoard(value.toString());
- else super.put(name, start, value);
+ public void put(Object name, final Object value) {
+ if (name.equals("thread") && value != null && (value instanceof JS.Callable || value instanceof JS.CompiledFunction)) {
+ Scheduler.add(new Scheduler.Task() { public Object call(Object arg) {
+ new JS.Thread((CompiledFunction)value).resume();
+ return null;
+ } });
+ } else if (name.equals("clipboard")) Platform.setClipBoard(value.toString());
+ else if (name.equals("frame")) Platform.createSurface((Box)value, true, true);
+ else if (name.equals("window")) Platform.createSurface((Box)value, false, true);
+ else if (name.equals("proxyAuthorization")) {
+ HTTP.Proxy.Authorization.authorization = value.toString();
+ HTTP.Proxy.Authorization.waitingForUser.release();
+ } else super.put(name, value);
}
+ public Object callMethod(Object method, JS.Array args, boolean checkOnly) {
- // JSFunction Instances ///////////////////////////////////////////////////////////////////
+ if (method.equals("newBrowserWindow")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args.length() != 1 || args.elementAt(0) == null) return null;
+ Platform.newBrowserWindow(args.elementAt(0).toString());
+ return null;
- /** Helper class for defining functions. */
- private static abstract class JSFunction extends JSObject implements Function {
- JSFunction() { setSeal(true); }
- public Scriptable construct(Context cx, Scriptable scope, java.lang.Object[] args) { return null; }
- }
+ } else if (method.equals("clone")) {
+ if (checkOnly) return Boolean.TRUE;
+ return new XWT((Res)args.elementAt(0));
- private static final JSFunction newBrowserWindow = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- if (args.length != 1 || args[0] == null) return null;
- Platform.newBrowserWindow(args[0].toString());
- return null;
- }
- };
+ } else if (method.equals("graft")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args.elementAt(0) instanceof Box) throw new JS.Exn("can't graft onto Boxes (yet)");
+ if (args.elementAt(0) instanceof Number) throw new JS.Exn("can't graft onto Numbers (yet)");
+ if (args.elementAt(0) instanceof String) throw new JS.Exn("can't graft onto Strings (yet)");
+ if (args.elementAt(0) instanceof Res)
+ return new Res.Graft((Res)args.elementAt(0), args.elementAt(1), args.elementAt(2));
+ return new JS.Graft((JS)args.elementAt(0), args.elementAt(1), args.elementAt(2));
- private static final JSFunction yield = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- sleep.call(cx, null, null, null);
- return null;
- }
- };
+ } else if (method.equals("unzip")) {
+ if (checkOnly) return Boolean.TRUE;
+ return new Res.Zip((Res)args.elementAt(0));
- private static final JSFunction println = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- if (args.length == 1)
- if (Log.on)
- Log.log(cx.interpreterSourceFile, args[0] == null ? "null" : args[0].toString());
- return null;
- }
- };
-
- private static final JSFunction date = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- try { return Context.enter().newObject(org.xwt.util.JSObject.defaultObjects, "Date", args);
- } catch (Exception e) {
- if (Log.on) Log.log(this, "Exception in Context.newObject() -- this should never happen");
- if (Log.on) Log.log(this, e);
- return null;
- }
- }
- };
-
- private static final JSFunction regexp = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- try { return Context.enter().newObject(org.xwt.util.JSObject.defaultObjects, "RegExp", args);
- } catch (Exception e) {
- if (Log.on) Log.log(this, "Exception in Context.newObject() -- this should never happen");
- if (Log.on) Log.log(this, e);
- return null;
- }
- }
- };
+ } else if (method.equals("watchProgress")) {
+ if (checkOnly) return Boolean.TRUE;
+ return new Res.ProgressWatcher((Res)args.elementAt(0), (JS.CompiledFunction)args.elementAt(1));
- private static final JSFunction listfonts = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- return Context.enter().newArray(org.xwt.util.JSObject.defaultObjects, Platform.listFonts());
- }
- };
+ } else if (method.equals("yield")) {
+ if (checkOnly) return Boolean.TRUE;
+ sleep(0);
+ return null;
- private static final JSFunction theme = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- if (args.length != 2) return null;
- if (args[0] == null || args[1] == null) return null;
- Template.retheme(args[0].toString(), args[1].toString());
- return null;
- }
- };
+ } else if (method.equals("load")) {
+ if (checkOnly) return Boolean.TRUE;
+ return Res.stringToRes(args.elementAt(0).toString());
- private static final JSFunction xmlrpc = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- if (args.length != 1 || args[0] == null) return null;
- return new XMLRPC(args[0].toString(), "");
- }
- };
-
- private static final JSFunction soap = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- if (args.length == 1 && args[0] != null) return new SOAP(args[0].toString(), "", null, null);
- else if (args.length == 2 && args[0] != null && args[1] != null)
- return new SOAP(args[0].toString(), "", args[1].toString(), null);
- else if (args.length == 3 && args[0] != null && args[1] != null && args[2] != null)
- return new SOAP(args[0].toString(), "", args[1].toString(), args[2].toString());
- else return null;
- }
- };
-
- private static final JSFunction textwidth = new JSFunction() {
- public Object call(Context cx, Scriptable scope, Scriptable thisObj, Object[] args) throws JavaScriptException {
- if (args.length < 1 || args.length > 2) return null;
- if (args[0] == null || (args.length == 2 && args[1] == null)) return null;
- String font = args.length == 1 ? Platform.getDefaultFont() : args[0].toString();
- String text = args.length == 1 ? args[0].toString() : args[1].toString();
- XWF xwf = XWF.getXWF(font);
- if (xwf == null) return new Integer(Platform.stringWidth(font, text));
- else return new Integer(xwf.stringWidth(text));
- }
- };
+ } else if (method.equals("println")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args.length() != 1) return null;
+ if (Log.on) Log.logJS(this, (args.elementAt(0) == null ? "**null**" : args.elementAt(0).toString()));
+ return null;
+ } else if (method.equals("date")) {
+ if (checkOnly) return Boolean.TRUE;
+ Log.log(XWT.class, "date not implemented");
+ return null;
- private static final JSFunction textheight = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- if (args.length > 1) return null;
- if (args.length == 1 && args[0] == null) return null;
- String font = args.length == 0 || args[0] == null ? Platform.getDefaultFont() : args[0].toString();
- XWF xwf = XWF.getXWF(font);
- if (xwf == null) return new Integer(Platform.getMaxAscent(font) + Platform.getMaxDescent(font));
- else return new Integer(xwf.getMaxAscent() + xwf.getMaxDescent());
- }
- };
-
- private static final JSFunction newBox = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- Box ret = new Box(args.length == 0 || args[0] == null ? "box" : args[0].toString(), Template.defaultImportList);
- for(int i=1; i<args.length; i++)
- if (args[i] instanceof Box)
- ret.put(ret.numChildren(), null, (Box)args[i]);
- for(int i=1; i<args.length; i++)
- if (args[i] instanceof Scriptable && !(args[i] instanceof Box)) {
- Scriptable s = (Scriptable)args[i];
- Object[] keys = s.getIds();
- for(int j=0; j<keys.length; j++) ret.put(keys[j].toString(), null, s.get(keys[j].toString(), s));
- }
- return ret;
- }
- };
+ } else if (method.equals("regexp")) {
+ if (checkOnly) return Boolean.TRUE;
+ return new Regexp(args);
- private static final JSFunction sleep = new JSFunction() {
- public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
- if (args != null && (args.length != 1 || args[0] == null)) return null;
- int i = args == null ? 0 : SpecialBoxProperty.stoi(args[0].toString());
+ } else if (method.equals("apply")) {
+ if (checkOnly) return Boolean.TRUE;
+ Box b = (Box)args.elementAt(0);
+ Template.getTemplate((Res)args.elementAt(1)).apply(b, null, this);
+ return b;
- Thread thread = Thread.currentThread();
- if (!(thread instanceof ThreadMessage)) {
- if (Log.on) Log.log(this, "cannot sleep() or yield() in the foreground thread");
- return null;
- }
- ThreadMessage mythread = (ThreadMessage)thread;
- mythread.done.release();
+ } else if (method.equals("xmlrpc")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args.length() != 1 || args.elementAt(0) == null) return null;
+ return new XMLRPC(args.elementAt(0).toString(), "");
+
+ } else if (method.equals("soap")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args.length() == 1 && args.elementAt(0) != null) return new SOAP(args.elementAt(0).toString(), "", null, null);
+ else if (args.length() == 2 && args.elementAt(0) != null && args.elementAt(1) != null)
+ return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), null);
+ else if (args.length() == 3 && args.elementAt(0) != null && args.elementAt(1) != null && args.elementAt(2) != null)
+ return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), args.elementAt(2).toString());
+ else return null;
+
+ } else if (method.equals("sleep")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args != null && (args.length() != 1 || args.elementAt(0) == null)) return null;
+ int i = args == null ? 0 : Box.stoi(args.elementAt(0).toString());
+ sleep(i);
+ return null;
- if (i > 0) try { Thread.sleep(i); } catch (Exception e) { }
-
- MessageQueue.add(mythread);
- mythread.go.block();
+ } else if (method.equals("openFile")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args.length() != 1) return null;
+ String file = Platform.fileDialog(args.elementAt(0).toString(), false);
+ return file == null ? null : new Res.File(file);
+
+ } else if (method.equals("saveFile") || method.equals("saveFileAs")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args.length() != 2) return null;
+ if (!(args.elementAt(1) instanceof Res)) return null;
+ String file = args.elementAt(0).toString();
+ if (method.equals("saveFileAs") ||
+ safeFiles.get(Platform.isCaseSensitive() ? file : file.toLowerCase()) == null) {
+ file = Platform.fileDialog(file, true);
+ // FIXME: throw exception here
+ if (file == null) return null;
+ safeFiles.put(Platform.isCaseSensitive() ? file : file.toLowerCase(), new Object());
+ }
+ try {
+ InputStream is = ((Res)args.elementAt(1)).getInputStream();
+ FileOutputStream out = new FileOutputStream(file);
+ byte[] buffer = new byte[1024 * 16];
+ while(true) {
+ int numread = is.read(buffer, 0, buffer.length);
+ if (numread == -1) break;
+ out.write(buffer, 0, numread);
+ }
+ is.close();
+ out.close();
return null;
+ } catch (IOException e) {
+ if (Log.on) Log.log(XWT.class, "IO Exception while writing a ByteStream to a file");
+ if (Log.on) Log.log(XWT.class, e);
+ throw new JS.Exn("error while writing a Resource to a file");
}
- };
-}
+ } else if (method.equals("parseHTML")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args == null || args.length() != 1 || args.elementAt(0) == null) return null;
+ try {
+ if (args.elementAt(0) instanceof Res) {
+ return HTML.parseReader(new InputStreamReader(((Res)args.elementAt(0)).getInputStream()));
+ } else {
+ return HTML.parseReader(new StringReader(args.elementAt(0).toString()));
+ }
+ } catch (IOException e) {
+ if (Log.on) Log.log(HTML.class, "IO Exception while parsing HTML");
+ if (Log.on) Log.log(HTML.class, e);
+ throw new JS.Exn("error while parsing HTML");
+ }
+
+ } else if (method.equals("recursivePrintObject")) {
+ if (checkOnly) return Boolean.TRUE;
+ if (args.length() != 1) return null;
+ recurse("", "", args.elementAt(0));
+ return null;
+ }
+
+ if (checkOnly) return Boolean.FALSE;
+ return null;
+ }
+ private static void recurse(String indent, String name, Object o) {
+ if (!name.equals("")) name += " : ";
+ if (o == null) {
+ Log.logJS(indent + name + "<null>");
+ } else if (o instanceof JS.Array) {
+ Log.logJS(indent + name + "<array>");
+ JS.Array na = (JS.Array)o;
+ for(int i=0; i<na.length(); i++)
+ recurse(indent + " ", i + "", na.elementAt(i));
+ } else if (o instanceof JS) {
+ Log.logJS(indent + name + "<object>");
+ JS s = (JS)o;
+ Object[] keys = s.keys();
+ for(int i=0; i<keys.length; i++)
+ if (keys[i] != null)
+ recurse(indent + " ", keys[i].toString(),
+ (keys[i] instanceof Integer) ?
+ s.get(((Integer)keys[i])) : s.get(keys[i].toString()));
+ } else {
+ Log.logJS(indent + name + o);
+
+ }
+ }
+
+ public static void sleep(final int i) {
+ final JS.Thread jsthread = JS.Thread.current();
+ final long currentTime = System.currentTimeMillis();
+ final Scheduler.Task task = new Scheduler.Task() { public Object call(Object arg) {
+ if (System.currentTimeMillis() - currentTime < i) {
+ Scheduler.add(this);
+ } else {
+ jsthread.resume();
+ }
+ return null;
+ } };
+ jsthread.pause();
+ Scheduler.add(task);
+ }
+
+ private static class XWTMath extends org.xwt.js.Math {
+ public XWTMath() {
+ JS gs = new JS.GlobalScope();
+ put("isNaN",gs.get("isNaN"));
+ put("isFinite",gs.get("isFinite"));
+ put("NaN",gs.get("NaN"));
+ put("Infinity",gs.get("Infinity"));
+ setSeal(true);
+ }
+ public Object get(Object key) {
+ Object ret = super.get(key);
+ if(ret == null) ret = JS.Math.get(key);
+ return ret;
+ }
+ }
+ private static class XWTString extends JS.Obj {
+ public XWTString() {
+ JS gs = new JS.GlobalScope();
+ put("parseInt",gs.get("parseInt"));
+ put("parseFloat",gs.get("parseFloat"));
+ put("decodeURI",gs.get("decodeURI"));
+ put("decodeURIComponent",gs.get("decodeURIComponent"));
+ put("encodeURI",gs.get("encodeURI"));
+ put("encodeURIComponent",gs.get("encodeURIComponent"));
+ put("escape",gs.get("escape"));
+ put("unescape",gs.get("unescape"));
+ put("fromCharCode",gs.get("stringFromCharCode"));
+ setSeal(true);
+ }
+ }
+}