1 // Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
10 import org.bouncycastle.util.encoders.Base64;
12 /** Singleton class that provides all functionality in the xwt.* namespace */
13 public final class XWT extends JS.Obj {
15 public static final XWT singleton = new XWT();
17 /** each key is a string representing a filename which the user has already given XWT permission to write to */
18 private static Hashtable safeFiles = new Hashtable();
20 public Object get(Object name) {
21 if (name.equals("alt")) return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
22 else if (name.equals("control")) return Surface.control ? Boolean.TRUE : Boolean.FALSE;
23 else if (name.equals("shift")) return Surface.shift ? Boolean.TRUE : Boolean.FALSE;
24 else if (name.equals("clipboard")) return Platform.getClipBoard();
25 else if (name.equals("static")) return Static.getStatic("");
26 else if (name.equals("button")) {
27 if (Surface.button1 && !Surface.button2 && !Surface.button3) return new Integer(1);
28 else if (!Surface.button1 && Surface.button2 && !Surface.button3) return new Integer(1);
29 else if (!Surface.button1 && !Surface.button2 && Surface.button3) return new Integer(1);
30 else return new Integer(0);
32 else if (name.equals("encodeURI")) throw new Error("not implemented");
33 else if (name.equals("encodeURIComponent")) throw new Error("not implemented");
34 else if (name.equals("decodeURI")) throw new Error("not implemented");
35 else if (name.equals("decodeURIComponent")) throw new Error("not implemented");
36 else return super.get(name);
39 public void put(Object name, Object value) {
40 if (name.equals("thread") && value != null && value instanceof JS.Function) ThreadMessage.newthread((JS.Function)value);
41 else if (name.equals("clipboard")) Platform.setClipBoard(value.toString());
42 else if (name.equals("proxyAuthorization")) {
43 // FIXME: undocumented, possibly insecure
44 Proxy.Authorization.authorization = value.toString();
45 Proxy.Authorization.waitingForUser.release();
46 } else super.put(name, value);
50 put("maxdim", new Integer(Short.MAX_VALUE));
51 put("origin", Main.origin);
52 put("altKeyName", Platform.altKeyName());
53 put("screenWidth", new Integer(Platform.getScreenWidth()));
54 put("screenHeight", new Integer(Platform.getScreenHeight()));
55 put("fileSeparator", File.separator);
56 put("homeDir", System.getProperty("user.home"));
57 put("tempDir", System.getProperty("java.io.tempdir"));
59 put("math", new JS.Obj() { public Object get(Object name) {
60 if ("ceil".equals(name)) return new JS.Function() { public Object _call(JS.Array args)
61 { if (args.elementAt(0) == null) return null;
62 return new Long((long)Math.ceil(Double.parseDouble(args.elementAt(0).toString()))); } };
63 else if ("floor".equals(name)) return new JS.Function() { public Object _call(JS.Array args)
64 { if (args.elementAt(0) == null) return null;
65 return new Long((long)Math.floor(Double.parseDouble(args.elementAt(0).toString()))); } };
66 else if ("round".equals(name)) return new JS.Function() { public Object _call(JS.Array args)
67 { if (args.elementAt(0) == null) return null;
68 return new Long((long)Math.round(Double.parseDouble(args.elementAt(0).toString()))); } };
69 else if ("abs".equals(name)) return new JS.Function() { public Object _call(JS.Array args)
70 { if (args.elementAt(0) == null) return null;
71 return new Long((long)Math.abs(Double.parseDouble(args.elementAt(0).toString()))); } };
72 else if ("min".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
73 if (args.length() < 2 || args.elementAt(0) == null || args.elementAt(1) == null) return args.elementAt(0);
74 return new Double(Math.min(((Number)args.elementAt(0)).doubleValue(),
75 ((Number)args.elementAt(1)).doubleValue())); } };
76 else if ("max".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
77 if (args.length() < 2) return args.elementAt(0);
78 return new Double(Math.max(((Number)args.elementAt(0)).doubleValue(),
79 ((Number)args.elementAt(1)).doubleValue())); } };
80 else if ("cos".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
81 return new Double(Math.cos(((Number)args.elementAt(0)).doubleValue())); } };
82 else if ("sin".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
83 return new Double(Math.sin(((Number)args.elementAt(0)).doubleValue())); } };
84 else if ("tan".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
85 return new Double(Math.tan(((Number)args.elementAt(0)).doubleValue())); } };
86 else if ("acos".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
87 return new Double(Math.acos(((Number)args.elementAt(0)).doubleValue())); } };
88 else if ("asin".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
89 return new Double(Math.asin(((Number)args.elementAt(0)).doubleValue())); } };
90 else if ("atan".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
91 return new Double(Math.atan(((Number)args.elementAt(0)).doubleValue())); } };
95 put("newBrowserWindow", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
96 if (args.length() != 1 || args.elementAt(0) == null) return null;
97 Platform.newBrowserWindow(args.elementAt(0).toString());
101 put("parseFloat", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
102 if (args.length() != 1 || args.elementAt(0) == null) return null;
103 return new Float(args.elementAt(0).toString());
106 put("parseInt", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
107 if (args.length() != 1 || args.elementAt(0) == null) return null;
108 return new Float(args.elementAt(0).toString());
111 put("yield", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
116 put("theme", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
117 if (args.length() != 2) return null;
118 if (args.elementAt(0) == null || args.elementAt(1) == null) return null;
119 for(int i=1; i<args.length(); i++) {
120 if (args.elementAt(i) instanceof String) {
121 String from = (String)args.elementAt(0);
122 String to = (String)args.elementAt(i);
123 if (Log.on) Log.log(this, "retheming from " + from + " to " + to);
124 Resources.mapFrom.addElement(from);
125 Resources.mapTo.addElement(to);
128 JS.Function callback = args.elementAt(args.length() - 1) instanceof Function ?
129 (Function)args.elementAt(args.length() - 1) : null;
130 Template.retheme(callback);
134 put("println", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
135 if (args.length() != 1) return null;
136 if (Log.on) Log.log(this, JS.getFileAndLine() + " " +
137 (args.elementAt(0) == null ? "**null**" : args.elementAt(0).toString()));
141 put("date", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
142 Log.log(XWT.class, "date not implemented");
143 //throw new Error("not implemented");
147 put("regexp", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
148 //throw new Error("not implemented");
149 Log.log(XWT.class, "regexp not implemented");
153 put("listfonts", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
154 Object[] fonts = Platform.listFonts();
155 JS.Array ret = new JS.Array();
156 for(int i=0; i<fonts.length; i++) ret.addElement(fonts[i]);
160 put("xmlrpc", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
161 if (args.length() != 1 || args.elementAt(0) == null) return null;
162 return new XMLRPC(args.elementAt(0).toString(), "");
165 put("soap", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
166 if (args.length() == 1 && args.elementAt(0) != null) return new SOAP(args.elementAt(0).toString(), "", null, null);
167 else if (args.length() == 2 && args.elementAt(0) != null && args.elementAt(1) != null)
168 return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), null);
169 else if (args.length() == 3 && args.elementAt(0) != null && args.elementAt(1) != null && args.elementAt(2) != null)
170 return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), args.elementAt(2).toString());
174 put("textwidth", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
175 if (args.length() < 1 || args.length() > 2) return null;
176 if (args.elementAt(0) == null || (args.length() == 2 && args.elementAt(1) == null)) return null;
177 String font = args.length() == 1 ? Platform.getDefaultFont() : args.elementAt(0).toString();
178 String text = args.length() == 1 ? args.elementAt(0).toString() : args.elementAt(1).toString();
179 XWF xwf = XWF.getXWF(font);
180 if (xwf == null) return new Integer(Platform.stringWidth(font, text));
181 else return new Integer(xwf.stringWidth(text));
184 put("textheight", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
185 if (args.length() > 1) return null;
186 if (args.length() == 1 && args.elementAt(0) == null) return null;
187 String font = args.length() == 0 || args.elementAt(0) == null ? Platform.getDefaultFont() : args.elementAt(0).toString();
188 XWF xwf = XWF.getXWF(font);
189 if (xwf == null) return new Integer(Platform.getMaxAscent(font) + Platform.getMaxDescent(font));
190 else return new Integer(xwf.getMaxAscent() + xwf.getMaxDescent());
193 put("newBox", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
194 if (args.length() > 0) Log.log(XWT.class, "DEPRECATED: xwt.newBox() with multiple arguments is deprecated; use xwt.newBox().apply()");
195 JS.Function callback = null;
196 for(int i=1; i<args.length(); i++)
197 if (args.elementAt(i) instanceof JS.Function && callback == null)
198 callback = (JS.Function)args.elementAt(i);
199 Box ret = new Box(args.length() == 0 || args.elementAt(0) == null ? "box" : args.elementAt(0).toString(),
200 Template.defaultImportList, callback);
201 for(int i=1; i<args.length(); i++)
202 if (args.elementAt(i) instanceof Box)
203 ret.put(ret.numChildren(), (Box)args.elementAt(i));
204 for(int i=1; i<args.length(); i++)
205 if (args.elementAt(i) instanceof JS && !(args.elementAt(i) instanceof Box) && !(args.elementAt(i) instanceof JS.Function)) {
206 JS s = (JS)args.elementAt(i);
207 Object[] keys = s.keys();
208 for(int j=0; j<keys.length; j++) ret.put(keys[j].toString(), s.get(keys[j].toString()));
213 put("sleep", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
214 if (args != null && (args.length() != 1 || args.elementAt(0) == null)) return null;
215 int i = args == null ? 0 : SpecialBoxProperty.stoi(args.elementAt(0).toString());
220 put("openFile", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
221 if (args.length() != 1) return null;
222 String file = Platform.fileDialog(args.elementAt(0).toString(), false);
223 return file == null ? null : new ByteStream(file);
226 put("saveFile", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
227 if (args.length() != 2) return null;
228 if (!(args.elementAt(1) instanceof ByteStream)) return null;
229 String file = args.elementAt(0).toString();
230 if (safeFiles.get(Platform.isCaseSensitive() ? file : file.toLowerCase()) == null) {
231 file = Platform.fileDialog(file, true);
232 if (file == null) return null;
233 safeFiles.put(Platform.isCaseSensitive() ? file : file.toLowerCase(), new Object());
236 ((ByteStream)args.elementAt(1)).writeTo(new FileOutputStream(file));
238 } catch (IOException e) {
239 if (Log.on) Log.log(ByteStream.class, "IO Exception while writing a ByteStream to a file");
240 if (Log.on) Log.log(ByteStream.class, e);
241 throw new JS.Exn("error while writing a ByteStream to a file");
245 put("saveFileAs", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
246 if (args.length() != 2) return null;
247 if (!(args.elementAt(1) instanceof ByteStream)) return null;
248 String file = args.elementAt(0).toString();
249 file = Platform.fileDialog(file, true);
250 if (file == null) return null;
251 safeFiles.put(Platform.isCaseSensitive() ? file : file.toLowerCase(), new Object());
253 ((ByteStream)args.elementAt(1)).writeTo(new FileOutputStream(file));
255 } catch (IOException e) {
256 if (Log.on) Log.log(ByteStream.class, "IO Exception while writing a ByteStream to a file");
257 if (Log.on) Log.log(ByteStream.class, e);
258 throw new JS.Exn("error while writing a ByteStream to a file");
262 put("utfEncode", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
263 if (args == null || args.length() != 1) return null;
264 return new ByteStream(args.elementAt(0).toString().getBytes());
267 put("parseHTML", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
268 if (args == null || args.length() != 1 || args.elementAt(0) == null) return null;
270 if (args.elementAt(0) instanceof ByteStream) {
271 return HTML.parseReader(new InputStreamReader(((ByteStream)args.elementAt(0)).getInputStream()));
273 return HTML.parseReader(new StringReader(args.elementAt(0).toString()));
275 } catch (IOException e) {
276 if (Log.on) Log.log(HTML.class, "IO Exception while parsing HTML");
277 if (Log.on) Log.log(HTML.class, e);
278 throw new JS.Exn("error while parsing HTML");
283 put("recursivePrintObject", new JS.Function() { public Object _call(JS.Array args) {
284 if (args.length() != 1) return null;
285 recurse("", "", args.elementAt(0));
289 put("loadArchive", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
290 if (!ThreadMessage.suspendThread()) return null;
292 if (args == null || args.length() < 1 || args.elementAt(0) == null) return null;
293 URL u = new URL(args.elementAt(0).toString());
295 JS.Function callback = null;
296 if (args.length() == 2 && args.elementAt(1) != null && args.elementAt(1) instanceof JS.Function)
297 callback = (JS.Function)args.elementAt(1);
299 if (!u.getFile().endsWith(".xwar")) {
300 if (Log.on) Log.log(this, "Error: archive names must end with .xwar: " + u.getFile());
301 throw new JS.Exn("Error: archive names must end with .xwar: " + u.getFile());
304 if (u.getProtocol().equals("http")) {
305 HTTP http = new HTTP(u.toString());
306 if (Main.originAddr == null) {
308 Main.originAddr = InetAddress.getByName(u.getHost());
309 } catch (UnknownHostException e) {
310 if (Log.on) Log.log(this, "couldn't resolve " + u.getHost() + "; proceeding without permissions");
311 Main.originAddr = InetAddress.getByName("0.0.0.0");
314 Main.originAddr = InetAddress.getByName("0.0.0.0");
316 HTTP.HTTPInputStream in = http.GET();
317 Resources.loadArchive(in, in.getContentLength(), callback);
319 } else if (u.getProtocol().equals("file")) {
320 if (Main.originAddr != null) {
321 if (Log.on) Log.log(this, "scripts downloaded from the network may not load xwars from the local filesystem");
322 throw new JS.Exn("scripts downloaded from the network may not load xwars from the local filesystem");
324 Resources.loadArchive(new FileInputStream(u.getFile()), (int)new File(u.getFile()).length(), callback);
327 if (Log.on) Log.log(this, "unknown protocol \"" + u.getProtocol() + "\"");
328 throw new JS.Exn("unknown protocol \"" + u.getProtocol() + "\"");
331 } catch (MalformedURLException me) {
332 if (Log.on) Log.log(this, "Malformed URL: " + args.elementAt(0));
333 if (Log.on) Log.log(this, me);
334 throw new JS.Exn(me.toString());
336 } catch (IOException ioe) {
337 if (Log.on) Log.log(this, "IOException while loading archive:");
338 if (Log.on) Log.log(this, ioe);
339 throw new JS.Exn(ioe.toString());
342 ThreadMessage.resumeThread();
348 put("prefetchImage", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
349 if (args == null || args.length() < 1 || args.elementAt(0) == null) return null;
350 Box.getImage(args.elementAt(0).toString(),
351 args.length() > 1 && args.elementAt(1) instanceof JS.Function ? (JS.Function)args.elementAt(1) : null);
356 private static void recurse(String indent, String name, Object o) {
357 if (!name.equals("")) name += " : ";
360 Log.log(JS.getCurrentFunction().getSourceName(), indent + name + "<null>");
362 } else if (o instanceof JS.Array) {
363 Log.log(JS.getCurrentFunction().getSourceName(), indent + name + "<array>");
364 JS.Array na = (JS.Array)o;
365 for(int i=0; i<na.length(); i++)
366 recurse(indent + " ", i + "", na.elementAt(i));
368 } else if (o instanceof JS) {
369 Log.log(JS.getCurrentFunction().getSourceName(), indent + name + "<object>");
371 Object[] keys = s.keys();
372 for(int i=0; i<keys.length; i++)
373 recurse(indent + " ", keys[i].toString(),
374 (keys[i] instanceof Integer) ?
375 s.get(((Integer)keys[i])) : s.get(keys[i].toString()));
378 Log.log(JS.getCurrentFunction().getSourceName(), indent + name + o);
384 public static void sleep(int i) {
385 Thread thread = Thread.currentThread();
386 if (!(thread instanceof ThreadMessage)) {
387 if (Log.on) Log.log(XWT.class, "cannot sleep() or yield() in the foreground thread");
389 ThreadMessage mythread = (ThreadMessage)thread;
390 mythread.done.release();
391 if (i > 0) try { Thread.sleep(i); } catch (Exception e) { }
392 MessageQueue.add(mythread);