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 JS.Obj {
17 public XWT(Res rr) { this.rr = rr; }
19 private final JS xwtMath = new XWTMath();
20 private final JS xwtString = new XWTString();
22 /** each key is a string representing a filename which the user has already given XWT permission to write to */
23 private static Hashtable safeFiles = new Hashtable();
25 public Object get(Object name) {
26 if (name.equals("alt")) return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
27 else if (name.equals("rr")) return rr;
28 else if (name.equals("box")) return new Box();
29 else if (name.equals("control")) return Surface.control ? Boolean.TRUE : Boolean.FALSE;
30 else if (name.equals("shift")) return Surface.shift ? Boolean.TRUE : Boolean.FALSE;
31 else if (name.equals("clipboard")) return Platform.getClipBoard();
32 else if (name.equals("origin")) return Main.origin;
33 else if (name.equals("maxdim")) return new Integer(Short.MAX_VALUE);
34 else if (name.equals("altKeyName")) return Platform.altKeyName();
35 else if (name.equals("screenWidth")) return new Integer(Platform.getScreenWidth());
36 else if (name.equals("screenHeight")) return new Integer(Platform.getScreenHeight());
37 else if (name.equals("fileSeparator")) return File.separator;
38 else if (name.equals("homeDir")) return System.getProperty("user.home");
39 else if (name.equals("tempDir")) return System.getProperty("java.io.tempdir");
40 else if (name.equals("math")) return xwtMath;
41 else if (name.equals("string")) return xwtString;
42 else if (name.equals("parseInt")) return xwtString.get("parseInt");
43 else if (name.equals("parseFloat")) return xwtString.get("parseFloat");
44 else if (name.equals("button")) {
45 if (Surface.button1 && !Surface.button2 && !Surface.button3) return new Integer(1);
46 else if (!Surface.button1 && Surface.button2 && !Surface.button3) return new Integer(1);
47 else if (!Surface.button1 && !Surface.button2 && Surface.button3) return new Integer(1);
48 else return new Integer(0);
50 else return rr.get(name);
53 public void put(Object name, final Object value) {
54 if (name.equals("thread") && value != null && (value instanceof JS.Callable || value instanceof JS.CompiledFunction)) {
55 Scheduler.add(new Scheduler.Task() { public void perform() {
56 new JS.Thread((CompiledFunction)value).resume();
58 } else if (name.equals("clipboard")) Platform.setClipBoard(value.toString());
59 else if (name.equals("frame")) Platform.createSurface((Box)value, true, true);
60 else if (name.equals("window")) Platform.createSurface((Box)value, false, true);
61 else if (name.equals("proxyAuthorization")) {
62 HTTP.Proxy.Authorization.authorization = value.toString();
63 HTTP.Proxy.Authorization.waitingForUser.release();
64 } else super.put(name, value);
67 public Object callMethod(Object method, JS.Array args, boolean checkOnly) {
69 if (method.equals("newBrowserWindow")) {
70 if (checkOnly) return Boolean.TRUE;
71 if (args.length() != 1 || args.elementAt(0) == null) return null;
72 Platform.newBrowserWindow(args.elementAt(0).toString());
75 } else if (method.equals("clone")) {
76 if (checkOnly) return Boolean.TRUE;
77 return new XWT((Res)args.elementAt(0));
79 } else if (method.equals("graft")) {
80 if (checkOnly) return Boolean.TRUE;
81 if (args.elementAt(0) instanceof Box) throw new JS.Exn("can't graft onto Boxes (yet)");
82 if (args.elementAt(0) instanceof Number) throw new JS.Exn("can't graft onto Numbers (yet)");
83 if (args.elementAt(0) instanceof String) throw new JS.Exn("can't graft onto Strings (yet)");
84 if (args.elementAt(0) instanceof Res)
85 return new Res.Graft((Res)args.elementAt(0), args.elementAt(1), args.elementAt(2));
86 return new JS.Graft((JS)args.elementAt(0), args.elementAt(1), args.elementAt(2));
88 } else if (method.equals("unzip")) {
89 if (checkOnly) return Boolean.TRUE;
90 return new Res.Zip((Res)args.elementAt(0));
92 } else if (method.equals("watchProgress")) {
93 if (checkOnly) return Boolean.TRUE;
94 return new Res.ProgressWatcher((Res)args.elementAt(0), (JS.CompiledFunction)args.elementAt(1));
96 } else if (method.equals("yield")) {
97 if (checkOnly) return Boolean.TRUE;
101 } else if (method.equals("load")) {
102 if (checkOnly) return Boolean.TRUE;
103 return Res.stringToRes(args.elementAt(0).toString());
105 } else if (method.equals("println")) {
106 if (checkOnly) return Boolean.TRUE;
107 if (args.length() != 1) return null;
108 if (Log.on) Log.logJS(this, (args.elementAt(0) == null ? "**null**" : args.elementAt(0).toString()));
111 } else if (method.equals("date")) {
112 if (checkOnly) return Boolean.TRUE;
113 Log.log(XWT.class, "date not implemented");
116 } else if (method.equals("regexp")) {
117 if (checkOnly) return Boolean.TRUE;
118 return new Regexp(args);
120 } else if (method.equals("apply")) {
121 if (checkOnly) return Boolean.TRUE;
122 Box b = (Box)args.elementAt(0);
123 Template.getTemplate((Res)args.elementAt(1)).apply(b, null, this);
126 } else if (method.equals("xmlrpc")) {
127 if (checkOnly) return Boolean.TRUE;
128 if (args.length() != 1 || args.elementAt(0) == null) return null;
129 return new XMLRPC(args.elementAt(0).toString(), "");
131 } else if (method.equals("soap")) {
132 if (checkOnly) return Boolean.TRUE;
133 if (args.length() == 1 && args.elementAt(0) != null) return new SOAP(args.elementAt(0).toString(), "", null, null);
134 else if (args.length() == 2 && args.elementAt(0) != null && args.elementAt(1) != null)
135 return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), null);
136 else if (args.length() == 3 && args.elementAt(0) != null && args.elementAt(1) != null && args.elementAt(2) != null)
137 return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), args.elementAt(2).toString());
140 } else if (method.equals("sleep")) {
141 if (checkOnly) return Boolean.TRUE;
142 if (args != null && (args.length() != 1 || args.elementAt(0) == null)) return null;
143 int i = args == null ? 0 : Box.stoi(args.elementAt(0).toString());
147 } else if (method.equals("openFile")) {
148 if (checkOnly) return Boolean.TRUE;
149 if (args.length() != 1) return null;
150 String file = Platform.fileDialog(args.elementAt(0).toString(), false);
151 return file == null ? null : new Res.File(file);
153 } else if (method.equals("saveFile") || method.equals("saveFileAs")) {
154 if (checkOnly) return Boolean.TRUE;
155 if (args.length() != 2) return null;
156 if (!(args.elementAt(1) instanceof Res)) return null;
157 String file = args.elementAt(0).toString();
158 if (method.equals("saveFileAs") ||
159 safeFiles.get(Platform.isCaseSensitive() ? file : file.toLowerCase()) == null) {
160 file = Platform.fileDialog(file, true);
161 // FIXME: throw exception here
162 if (file == null) return null;
163 safeFiles.put(Platform.isCaseSensitive() ? file : file.toLowerCase(), new Object());
166 InputStream is = ((Res)args.elementAt(1)).getInputStream();
167 FileOutputStream out = new FileOutputStream(file);
168 byte[] buffer = new byte[1024 * 16];
170 int numread = is.read(buffer, 0, buffer.length);
171 if (numread == -1) break;
172 out.write(buffer, 0, numread);
177 } catch (IOException e) {
178 if (Log.on) Log.log(XWT.class, "IO Exception while writing a ByteStream to a file");
179 if (Log.on) Log.log(XWT.class, e);
180 throw new JS.Exn("error while writing a Resource to a file");
183 } else if (method.equals("parseHTML")) {
184 if (checkOnly) return Boolean.TRUE;
185 if (args == null || args.length() != 1 || args.elementAt(0) == null) return null;
187 if (args.elementAt(0) instanceof Res) {
188 return HTML.parseReader(new InputStreamReader(((Res)args.elementAt(0)).getInputStream()));
190 return HTML.parseReader(new StringReader(args.elementAt(0).toString()));
192 } catch (IOException e) {
193 if (Log.on) Log.log(HTML.class, "IO Exception while parsing HTML");
194 if (Log.on) Log.log(HTML.class, e);
195 throw new JS.Exn("error while parsing HTML");
198 } else if (method.equals("recursivePrintObject")) {
199 if (checkOnly) return Boolean.TRUE;
200 if (args.length() != 1) return null;
201 recurse("", "", args.elementAt(0));
205 if (checkOnly) return Boolean.FALSE;
209 private static void recurse(String indent, String name, Object o) {
210 if (!name.equals("")) name += " : ";
213 Log.logJS(indent + name + "<null>");
215 } else if (o instanceof JS.Array) {
216 Log.logJS(indent + name + "<array>");
217 JS.Array na = (JS.Array)o;
218 for(int i=0; i<na.length(); i++)
219 recurse(indent + " ", i + "", na.elementAt(i));
221 } else if (o instanceof JS) {
222 Log.logJS(indent + name + "<object>");
224 Object[] keys = s.keys();
225 for(int i=0; i<keys.length; i++)
227 recurse(indent + " ", keys[i].toString(),
228 (keys[i] instanceof Integer) ?
229 s.get(((Integer)keys[i])) : s.get(keys[i].toString()));
232 Log.logJS(indent + name + o);
237 public static void sleep(final int i) {
238 final JS.Thread jsthread = JS.Thread.current();
239 final long currentTime = System.currentTimeMillis();
240 final Scheduler.Task task = new Scheduler.Task() { public void perform() {
241 if (System.currentTimeMillis() - currentTime < i) Scheduler.add(this);
242 else jsthread.resume();
248 private static class XWTMath extends org.xwt.js.Math {
250 JS gs = new JS.GlobalScope();
251 put("isNaN",gs.get("isNaN"));
252 put("isFinite",gs.get("isFinite"));
253 put("NaN",gs.get("NaN"));
254 put("Infinity",gs.get("Infinity"));
257 public Object get(Object key) {
258 Object ret = super.get(key);
259 if(ret == null) ret = JS.Math.get(key);
263 private static class XWTString extends JS.Obj {
265 JS gs = new JS.GlobalScope();
266 put("parseInt",gs.get("parseInt"));
267 put("parseFloat",gs.get("parseFloat"));
268 put("decodeURI",gs.get("decodeURI"));
269 put("decodeURIComponent",gs.get("decodeURIComponent"));
270 put("encodeURI",gs.get("encodeURI"));
271 put("encodeURIComponent",gs.get("encodeURIComponent"));
272 put("escape",gs.get("escape"));
273 put("unescape",gs.get("unescape"));
274 put("fromCharCode",gs.get("stringFromCharCode"));