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 Object call(Object arg) {
56 new JS.Thread((CompiledFunction)value).resume();
59 } else if (name.equals("clipboard")) Platform.setClipBoard(value.toString());
60 else if (name.equals("frame")) Platform.createSurface((Box)value, true, true);
61 else if (name.equals("window")) Platform.createSurface((Box)value, false, true);
62 else if (name.equals("proxyAuthorization")) {
63 HTTP.Proxy.Authorization.authorization = value.toString();
64 HTTP.Proxy.Authorization.waitingForUser.release();
65 } else super.put(name, value);
68 public Object callMethod(Object method, JS.Array args, boolean checkOnly) {
70 if (method.equals("newBrowserWindow")) {
71 if (checkOnly) return Boolean.TRUE;
72 if (args.length() != 1 || args.elementAt(0) == null) return null;
73 Platform.newBrowserWindow(args.elementAt(0).toString());
76 } else if (method.equals("clone")) {
77 if (checkOnly) return Boolean.TRUE;
78 return new XWT((Res)args.elementAt(0));
80 } else if (method.equals("graft")) {
81 if (checkOnly) return Boolean.TRUE;
82 if (args.elementAt(0) instanceof Box) throw new JS.Exn("can't graft onto Boxes (yet)");
83 if (args.elementAt(0) instanceof Number) throw new JS.Exn("can't graft onto Numbers (yet)");
84 if (args.elementAt(0) instanceof String) throw new JS.Exn("can't graft onto Strings (yet)");
85 if (args.elementAt(0) instanceof Res)
86 return new Res.Graft((Res)args.elementAt(0), args.elementAt(1), args.elementAt(2));
87 return new JS.Graft((JS)args.elementAt(0), args.elementAt(1), args.elementAt(2));
89 } else if (method.equals("unzip")) {
90 if (checkOnly) return Boolean.TRUE;
91 return new Res.Zip((Res)args.elementAt(0));
93 } else if (method.equals("watchProgress")) {
94 if (checkOnly) return Boolean.TRUE;
95 return new Res.ProgressWatcher((Res)args.elementAt(0), (JS.CompiledFunction)args.elementAt(1));
97 } else if (method.equals("yield")) {
98 if (checkOnly) return Boolean.TRUE;
102 } else if (method.equals("load")) {
103 if (checkOnly) return Boolean.TRUE;
104 return Res.stringToRes(args.elementAt(0).toString());
106 } else if (method.equals("println")) {
107 if (checkOnly) return Boolean.TRUE;
108 if (args.length() != 1) return null;
109 if (Log.on) Log.logJS(this, (args.elementAt(0) == null ? "**null**" : args.elementAt(0).toString()));
112 } else if (method.equals("date")) {
113 if (checkOnly) return Boolean.TRUE;
114 Log.log(XWT.class, "date not implemented");
117 } else if (method.equals("regexp")) {
118 if (checkOnly) return Boolean.TRUE;
119 return new Regexp(args);
121 } else if (method.equals("apply")) {
122 if (checkOnly) return Boolean.TRUE;
123 Box b = (Box)args.elementAt(0);
124 Template.getTemplate((Res)args.elementAt(1)).apply(b, null, this);
127 } else if (method.equals("xmlrpc")) {
128 if (checkOnly) return Boolean.TRUE;
129 if (args.length() != 1 || args.elementAt(0) == null) return null;
130 return new XMLRPC(args.elementAt(0).toString(), "");
132 } else if (method.equals("soap")) {
133 if (checkOnly) return Boolean.TRUE;
134 if (args.length() == 1 && args.elementAt(0) != null) return new SOAP(args.elementAt(0).toString(), "", null, null);
135 else if (args.length() == 2 && args.elementAt(0) != null && args.elementAt(1) != null)
136 return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), null);
137 else if (args.length() == 3 && args.elementAt(0) != null && args.elementAt(1) != null && args.elementAt(2) != null)
138 return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), args.elementAt(2).toString());
141 } else if (method.equals("sleep")) {
142 if (checkOnly) return Boolean.TRUE;
143 if (args != null && (args.length() != 1 || args.elementAt(0) == null)) return null;
144 int i = args == null ? 0 : Box.stoi(args.elementAt(0).toString());
148 } else if (method.equals("openFile")) {
149 if (checkOnly) return Boolean.TRUE;
150 if (args.length() != 1) return null;
151 String file = Platform.fileDialog(args.elementAt(0).toString(), false);
152 return file == null ? null : new Res.File(file);
154 } else if (method.equals("saveFile") || method.equals("saveFileAs")) {
155 if (checkOnly) return Boolean.TRUE;
156 if (args.length() != 2) return null;
157 if (!(args.elementAt(1) instanceof Res)) return null;
158 String file = args.elementAt(0).toString();
159 if (method.equals("saveFileAs") ||
160 safeFiles.get(Platform.isCaseSensitive() ? file : file.toLowerCase()) == null) {
161 file = Platform.fileDialog(file, true);
162 // FIXME: throw exception here
163 if (file == null) return null;
164 safeFiles.put(Platform.isCaseSensitive() ? file : file.toLowerCase(), new Object());
167 InputStream is = ((Res)args.elementAt(1)).getInputStream();
168 FileOutputStream out = new FileOutputStream(file);
169 byte[] buffer = new byte[1024 * 16];
171 int numread = is.read(buffer, 0, buffer.length);
172 if (numread == -1) break;
173 out.write(buffer, 0, numread);
178 } catch (IOException e) {
179 if (Log.on) Log.log(XWT.class, "IO Exception while writing a ByteStream to a file");
180 if (Log.on) Log.log(XWT.class, e);
181 throw new JS.Exn("error while writing a Resource to a file");
184 } else if (method.equals("parseHTML")) {
185 if (checkOnly) return Boolean.TRUE;
186 if (args == null || args.length() != 1 || args.elementAt(0) == null) return null;
188 if (args.elementAt(0) instanceof Res) {
189 return HTML.parseReader(new InputStreamReader(((Res)args.elementAt(0)).getInputStream()));
191 return HTML.parseReader(new StringReader(args.elementAt(0).toString()));
193 } catch (IOException e) {
194 if (Log.on) Log.log(HTML.class, "IO Exception while parsing HTML");
195 if (Log.on) Log.log(HTML.class, e);
196 throw new JS.Exn("error while parsing HTML");
199 } else if (method.equals("recursivePrintObject")) {
200 if (checkOnly) return Boolean.TRUE;
201 if (args.length() != 1) return null;
202 recurse("", "", args.elementAt(0));
206 if (checkOnly) return Boolean.FALSE;
210 private static void recurse(String indent, String name, Object o) {
211 if (!name.equals("")) name += " : ";
214 Log.logJS(indent + name + "<null>");
216 } else if (o instanceof JS.Array) {
217 Log.logJS(indent + name + "<array>");
218 JS.Array na = (JS.Array)o;
219 for(int i=0; i<na.length(); i++)
220 recurse(indent + " ", i + "", na.elementAt(i));
222 } else if (o instanceof JS) {
223 Log.logJS(indent + name + "<object>");
225 Object[] keys = s.keys();
226 for(int i=0; i<keys.length; i++)
228 recurse(indent + " ", keys[i].toString(),
229 (keys[i] instanceof Integer) ?
230 s.get(((Integer)keys[i])) : s.get(keys[i].toString()));
233 Log.logJS(indent + name + o);
238 public static void sleep(final int i) {
239 final JS.Thread jsthread = JS.Thread.current();
240 final long currentTime = System.currentTimeMillis();
241 final Scheduler.Task task = new Scheduler.Task() { public Object call(Object arg) {
242 if (System.currentTimeMillis() - currentTime < i) {
253 private static class XWTMath extends org.xwt.js.Math {
255 JS gs = new JS.GlobalScope();
256 put("isNaN",gs.get("isNaN"));
257 put("isFinite",gs.get("isFinite"));
258 put("NaN",gs.get("NaN"));
259 put("Infinity",gs.get("Infinity"));
262 public Object get(Object key) {
263 Object ret = super.get(key);
264 if(ret == null) ret = JS.Math.get(key);
268 private static class XWTString extends JS.Obj {
270 JS gs = new JS.GlobalScope();
271 put("parseInt",gs.get("parseInt"));
272 put("parseFloat",gs.get("parseFloat"));
273 put("decodeURI",gs.get("decodeURI"));
274 put("decodeURIComponent",gs.get("decodeURIComponent"));
275 put("encodeURI",gs.get("encodeURI"));
276 put("encodeURIComponent",gs.get("encodeURIComponent"));
277 put("escape",gs.get("escape"));
278 put("unescape",gs.get("unescape"));
279 put("fromCharCode",gs.get("stringFromCharCode"));