1 // Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
10 import org.xwt.translators.*;
11 import org.bouncycastle.util.encoders.Base64;
13 /** Singleton class that provides all functionality in the xwt.* namespace */
14 public final class XWT extends JSCallable {
17 public XWT(Res rr) { this.rr = rr; }
19 /** lets us put multi-level get/put/call keys all in the same method */
20 private class Sub extends JSCallable {
22 Sub(String key) { this.key = key; }
23 public String toString() { return "XWTSUB " + key; }
24 public void put(Object key, Object val) { XWT.this.put(this.key + "." + key, val); }
25 public Object get(Object key) { return XWT.this._get(this.key + "." + key); }
26 public Object call(Object method, JSArray args) { return XWT.this.call(method == null ? key : this.key + "." + method, args); }
29 public Object _get(Object name) {
31 case "math": return xwtMath;
32 case "string": return xwtString;
33 case "date": return new JSDate();
34 case "origin": return Main.origin;
35 case "box": return new BoxTree();
36 case "log": return new Sub("log");
37 case "ui": return new Sub("ui");
38 case "thread": return new Sub("thread");
39 case "ui.key": return new Sub("ui.key");
40 case "ui.key.alt": return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
41 case "ui.key.control": return Surface.control ? Boolean.TRUE : Boolean.FALSE;
42 case "ui.key.shift": return Surface.shift ? Boolean.TRUE : Boolean.FALSE;
43 case "ui.clipboard": return Platform.getClipBoard();
44 case "ui.maxdim": return new Integer(Short.MAX_VALUE);
45 case "ui.key.name": return new Sub("ui.key.name");
46 case "ui.key.name.alt": return Platform.altKeyName();
47 case "ui.screen": return new Sub("ui.screen");
48 case "ui.screen.width": return new Integer(Platform.getScreenWidth());
49 case "ui.screen.height": return new Integer(Platform.getScreenHeight());
50 case "fs.home": return System.getProperty("user.home");
51 case "fs.temp": return System.getProperty("java.io.tempdir");
52 case "ui.mouse": return new Sub("ui.mouse");
53 case "res": return new Sub("res");
54 case "ui.mouse.button":
55 if (Surface.button1 && !Surface.button2 && !Surface.button3) return new Integer(1);
56 else if (!Surface.button1 && Surface.button2 && !Surface.button3) return new Integer(2);
57 else if (!Surface.button1 && !Surface.button2 && Surface.button3) return new Integer(3);
58 else return new Integer(0);
59 case "undocumented": return new Sub("undocumented");
60 case "undocumented.internal": return new Sub("undocumented.internal");
65 public Object get(Object name) {
66 Object ret = _get(name);
67 if (ret != null) return ret;
68 return !name.equals("clone") && !name.equals("apply") ? rr.get(name) : null;
71 public void put(Object name, final Object value) {
74 System.out.println("new thread " + value);
75 Scheduler.add(new Scheduler.Task() {
76 public String toString() { return "thread task"; }
77 public void perform() { JSContext.invokePauseable((JSFunction)value); } });
78 case "ui.clipboard": Platform.setClipBoard((String)value);
79 case "ui.frame": Platform.createSurface((Box)value, true, true);
80 case "ui.window": Platform.createSurface((Box)value, false, true);
81 case "undocumented.internal.proxyAuthorization":
82 HTTP.Proxy.Authorization.authorization = value.toString();
83 HTTP.Proxy.Authorization.waitingForUser.release();
87 public Object call(Object name, JSArray args) throws JS.Exn {
88 Object a = args.elementAt(0);
89 Object b = args.elementAt(1);
90 Object c = args.elementAt(2);
91 if (name.equals("date")) return new org.xwt.js.JSDate(args);
92 else if (args.length() == 0 && name.equals("thread.yield")) { sleep(0); return null; }
93 else if (args.length() == 2) {
95 case "res.watch": return new Res.ProgressWatcher((Res)a, (JSFunction)b);
96 case "soap": return new SOAP((String)args.elementAt(0), "", (String)args.elementAt(1), null);
98 Template.getTemplate((Res)args.elementAt(1)).apply((Box)args.elementAt(0), XWT.this);
99 return args.elementAt(0);
101 } else if (args.length() == 3 && name.equals("soap")) {
102 if (name.equals("soap")) {
103 return new SOAP((String)args.elementAt(0), "", (String)args.elementAt(1), (String)args.elementAt(2));
104 } else if (name.equals("graft")) {
105 if (a instanceof Box) throw new JS.Exn("can't graft onto Boxes (yet)");
106 if (a instanceof Number) throw new JS.Exn("can't graft onto Numbers (yet)");
107 if (a instanceof String) throw new JS.Exn("can't graft onto Strings (yet)");
108 if (a instanceof Res) return new Res.Graft((Res)a, b, c);
109 return new JS.Graft((JS)a, b, c);
111 } else if (args.length() == 1) {
113 case "ui.browser": Platform.newBrowserWindow((String)a); return null;
114 case "clone": return new XWT((Res)a);
115 case "res.unzip": return new Res.Zip((Res)a);
116 case "res.uncab": return new Res.Cab((Res)a);
117 case "res.cache": try { return new Res.CachedRes((Res)a, "resources", true); }
118 catch (Res.NotCacheableException e) { throw new JS.Exn("this resource cannot be cached"); }
120 String url = (String)a;
121 if (url.startsWith("http://")) return new Res.HTTP(url);
122 else if (url.startsWith("https://")) return new Res.HTTP(url);
123 else if (url.startsWith("data:")) return new Res.ByteArray(Base64.decode(url.substring(5)), null);
124 else if (url.startsWith("utf8:")) return new Res.ByteArray(url.substring(5).getBytes(), null);
125 throw new JS.Exn("invalid resource specifier " + url);
127 case "thread.sleep": sleep(JS.toInt(a)); return null;
128 case "log.println": Log.logJS(this, a== null ? "**null**" : a.toString()); return null;
129 case "log.dump": Log.recursiveLog("","",a); return null;
130 case "regexp": return new JSRegexp(a, null);
131 case "rpc.xml": return new XMLRPC((String)a, "");
132 case "rpc.soap": return new SOAP((String)a, "", null, null);
133 case "crypto.rsa": /* FEATURE */ break;
134 case "crypto.md5": /* FEATURE */ break;
135 case "crypto.sha1": /* FEATURE */ break;
136 case "crypto.rc4": /* FEATURE */ break;
137 case "stream.parse.html": /* FEATURE */ break;
138 case "stream.parse.xml": /* FEATURE */ break;
139 case "stream.parse.utf8": /* FEATURE */ break;
145 public static void sleep(final int i) {
146 final Callback callback = JSContext.pause();
147 final long currentTime = System.currentTimeMillis();
150 try { Thread.sleep(i); } catch (InterruptedException e) { }
151 Scheduler.add(new Scheduler.Task() { public void perform() { callback.call(null); } });
156 public static final JSMath xwtMath = new JSMath() {
157 private JS gs = new JSScope.Global(null);
158 public String toString() { return "XWTMATH"; }
159 public Object get(Object key) {
161 case "isNaN": return gs.get("isNaN");
162 case "isFinite": return gs.get("isFinite");
163 case "NaN": return gs.get("NaN");
164 case "Infinity": return gs.get("Infinity");
166 return super.get(key);
170 public static final JSObj xwtString = new JSObj() {
171 private JS gs = new JSScope.Global(null);
172 public void put(Object key, Object val) { }
173 public Object get(Object key) {
175 case "parseInt": return gs.get("parseInt");
176 case "parseFloat": return gs.get("parseFloat");
177 case "decodeURI": return gs.get("decodeURI");
178 case "decodeURIComponent": return gs.get("decodeURIComponent");
179 case "encodeURI": return gs.get("encodeURI");
180 case "encodeURIComponent": return gs.get("encodeURIComponent");
181 case "escape": return gs.get("escape");
182 case "unescape": return gs.get("unescape");
183 case "fromCharCode": return gs.get("stringFromCharCode");
185 return super.get(key);
189 private class XMLHelper extends XML {
190 Vector obStack = new Vector();
191 public XMLHelper() { super(BUFFER_SIZE); }
192 public void startElement(XML.Element c) throws XML.SchemaException {
194 o.put("$name", c.localName);
195 for(int i=0; i<c.len; i++) o.put(c.keys[i], c.vals[i]);
196 o.put("$numchildren", new Integer(0));
197 obStack.addElement(o);
199 public void endElement(XML.Element c) throws XML.SchemaException {
200 if (obStack.size() == 1) return;
201 JS me = (JS)obStack.lastElement();
202 obStack.setSize(obStack.size() - 1);
203 JS parent = (JS)obStack.lastElement();
204 int numchildren = ((Integer)parent.get("$numchildren")).intValue();
205 parent.put("$numchildren", new Integer(numchildren + 1));
206 parent.put(new Integer(numchildren), me);
208 public void characters(char[] ch, int start, int length) throws XML.SchemaException {
209 String s = new String(ch, start, length);
210 JS parent = (JS)obStack.lastElement();
211 int numchildren = ((Integer)parent.get("$numchildren")).intValue();
212 Object lastChild = parent.get(new Integer(numchildren - 1));
213 if (lastChild instanceof String) {
214 parent.put(new Integer(numchildren - 1), lastChild + s);
216 parent.put("$numchildren", new Integer(numchildren + 1));
217 parent.put(new Integer(numchildren), s);
220 public void whitespace(char[] ch, int start, int length) {}
221 public JS doParse(InputStream is) throws JS.Exn {
223 BufferedReader r = new BufferedReader(new InputStreamReader(is));
225 } catch (XML.XMLException e) {
226 throw new JS.Exn("error parsing XML: " + e.toString());
227 } catch (IOException e) {
228 if (Log.on) Log.log(this, "IO Exception while reading from file");
229 if (Log.on) Log.log(this, e);
230 throw new JS.Exn("error reading from Resource");
232 return obStack.size() >= 1 ? (JS)obStack.elementAt(0) : null;