| 1 | /*** |
| 2 | |
| 3 | MochiKit.Async 1.4 |
| 4 | |
| 5 | See <http://mochikit.com/> for documentation, downloads, license, etc. |
| 6 | |
| 7 | (c) 2005 Bob Ippolito. All rights Reserved. |
| 8 | |
| 9 | ***/ |
| 10 | |
| 11 | if (typeof(dojo) != 'undefined') { |
| 12 | dojo.provide("MochiKit.Async"); |
| 13 | dojo.require("MochiKit.Base"); |
| 14 | } |
| 15 | if (typeof(JSAN) != 'undefined') { |
| 16 | JSAN.use("MochiKit.Base", []); |
| 17 | } |
| 18 | |
| 19 | try { |
| 20 | if (typeof(MochiKit.Base) == 'undefined') { |
| 21 | throw ""; |
| 22 | } |
| 23 | } catch (e) { |
| 24 | throw "MochiKit.Async depends on MochiKit.Base!"; |
| 25 | } |
| 26 | |
| 27 | if (typeof(MochiKit.Async) == 'undefined') { |
| 28 | MochiKit.Async = {}; |
| 29 | } |
| 30 | |
| 31 | MochiKit.Async.NAME = "MochiKit.Async"; |
| 32 | MochiKit.Async.VERSION = "1.4"; |
| 33 | MochiKit.Async.__repr__ = function () { |
| 34 | return "[" + this.NAME + " " + this.VERSION + "]"; |
| 35 | }; |
| 36 | MochiKit.Async.toString = function () { |
| 37 | return this.__repr__(); |
| 38 | }; |
| 39 | |
| 40 | /** @id MochiKit.Async.Deferred */ |
| 41 | MochiKit.Async.Deferred = function (/* optional */ canceller) { |
| 42 | this.chain = []; |
| 43 | this.id = this._nextId(); |
| 44 | this.fired = -1; |
| 45 | this.paused = 0; |
| 46 | this.results = [null, null]; |
| 47 | this.canceller = canceller; |
| 48 | this.silentlyCancelled = false; |
| 49 | this.chained = false; |
| 50 | }; |
| 51 | |
| 52 | MochiKit.Async.Deferred.prototype = { |
| 53 | /** @id MochiKit.Async.Deferred.prototype.repr */ |
| 54 | repr: function () { |
| 55 | var state; |
| 56 | if (this.fired == -1) { |
| 57 | state = 'unfired'; |
| 58 | } else if (this.fired === 0) { |
| 59 | state = 'success'; |
| 60 | } else { |
| 61 | state = 'error'; |
| 62 | } |
| 63 | return 'Deferred(' + this.id + ', ' + state + ')'; |
| 64 | }, |
| 65 | |
| 66 | toString: MochiKit.Base.forwardCall("repr"), |
| 67 | |
| 68 | _nextId: MochiKit.Base.counter(), |
| 69 | |
| 70 | /** @id MochiKit.Async.Deferred.prototype.cancel */ |
| 71 | cancel: function () { |
| 72 | var self = MochiKit.Async; |
| 73 | if (this.fired == -1) { |
| 74 | if (this.canceller) { |
| 75 | this.canceller(this); |
| 76 | } else { |
| 77 | this.silentlyCancelled = true; |
| 78 | } |
| 79 | if (this.fired == -1) { |
| 80 | this.errback(new self.CancelledError(this)); |
| 81 | } |
| 82 | } else if ((this.fired === 0) && (this.results[0] instanceof self.Deferred)) { |
| 83 | this.results[0].cancel(); |
| 84 | } |
| 85 | }, |
| 86 | |
| 87 | _resback: function (res) { |
| 88 | /*** |
| 89 | |
| 90 | The primitive that means either callback or errback |
| 91 | |
| 92 | ***/ |
| 93 | this.fired = ((res instanceof Error) ? 1 : 0); |
| 94 | this.results[this.fired] = res; |
| 95 | this._fire(); |
| 96 | }, |
| 97 | |
| 98 | _check: function () { |
| 99 | if (this.fired != -1) { |
| 100 | if (!this.silentlyCancelled) { |
| 101 | throw new MochiKit.Async.AlreadyCalledError(this); |
| 102 | } |
| 103 | this.silentlyCancelled = false; |
| 104 | return; |
| 105 | } |
| 106 | }, |
| 107 | |
| 108 | /** @id MochiKit.Async.Deferred.prototype.callback */ |
| 109 | callback: function (res) { |
| 110 | this._check(); |
| 111 | if (res instanceof MochiKit.Async.Deferred) { |
| 112 | throw new Error("Deferred instances can only be chained if they are the result of a callback"); |
| 113 | } |
| 114 | this._resback(res); |
| 115 | }, |
| 116 | |
| 117 | /** @id MochiKit.Async.Deferred.prototype.errback */ |
| 118 | errback: function (res) { |
| 119 | this._check(); |
| 120 | var self = MochiKit.Async; |
| 121 | if (res instanceof self.Deferred) { |
| 122 | throw new Error("Deferred instances can only be chained if they are the result of a callback"); |
| 123 | } |
| 124 | if (!(res instanceof Error)) { |
| 125 | res = new self.GenericError(res); |
| 126 | } |
| 127 | this._resback(res); |
| 128 | }, |
| 129 | |
| 130 | /** @id MochiKit.Async.Deferred.prototype.addBoth */ |
| 131 | addBoth: function (fn) { |
| 132 | if (arguments.length > 1) { |
| 133 | fn = MochiKit.Base.partial.apply(null, arguments); |
| 134 | } |
| 135 | return this.addCallbacks(fn, fn); |
| 136 | }, |
| 137 | |
| 138 | /** @id MochiKit.Async.Deferred.prototype.addCallback */ |
| 139 | addCallback: function (fn) { |
| 140 | if (arguments.length > 1) { |
| 141 | fn = MochiKit.Base.partial.apply(null, arguments); |
| 142 | } |
| 143 | return this.addCallbacks(fn, null); |
| 144 | }, |
| 145 | |
| 146 | /** @id MochiKit.Async.Deferred.prototype.addErrback */ |
| 147 | addErrback: function (fn) { |
| 148 | if (arguments.length > 1) { |
| 149 | fn = MochiKit.Base.partial.apply(null, arguments); |
| 150 | } |
| 151 | return this.addCallbacks(null, fn); |
| 152 | }, |
| 153 | |
| 154 | /** @id MochiKit.Async.Deferred.prototype.addCallbacks */ |
| 155 | addCallbacks: function (cb, eb) { |
| 156 | if (this.chained) { |
| 157 | throw new Error("Chained Deferreds can not be re-used"); |
| 158 | } |
| 159 | this.chain.push([cb, eb]); |
| 160 | if (this.fired >= 0) { |
| 161 | this._fire(); |
| 162 | } |
| 163 | return this; |
| 164 | }, |
| 165 | |
| 166 | _fire: function () { |
| 167 | /*** |
| 168 | |
| 169 | Used internally to exhaust the callback sequence when a result |
| 170 | is available. |
| 171 | |
| 172 | ***/ |
| 173 | var chain = this.chain; |
| 174 | var fired = this.fired; |
| 175 | var res = this.results[fired]; |
| 176 | var self = this; |
| 177 | var cb = null; |
| 178 | while (chain.length > 0 && this.paused === 0) { |
| 179 | // Array |
| 180 | var pair = chain.shift(); |
| 181 | var f = pair[fired]; |
| 182 | if (f === null) { |
| 183 | continue; |
| 184 | } |
| 185 | try { |
| 186 | res = f(res); |
| 187 | fired = ((res instanceof Error) ? 1 : 0); |
| 188 | if (res instanceof MochiKit.Async.Deferred) { |
| 189 | cb = function (res) { |
| 190 | self._resback(res); |
| 191 | self.paused--; |
| 192 | if ((self.paused === 0) && (self.fired >= 0)) { |
| 193 | self._fire(); |
| 194 | } |
| 195 | }; |
| 196 | this.paused++; |
| 197 | } |
| 198 | } catch (err) { |
| 199 | fired = 1; |
| 200 | if (!(err instanceof Error)) { |
| 201 | err = new MochiKit.Async.GenericError(err); |
| 202 | } |
| 203 | res = err; |
| 204 | } |
| 205 | } |
| 206 | this.fired = fired; |
| 207 | this.results[fired] = res; |
| 208 | if (cb && this.paused) { |
| 209 | // this is for "tail recursion" in case the dependent deferred |
| 210 | // is already fired |
| 211 | res.addBoth(cb); |
| 212 | res.chained = true; |
| 213 | } |
| 214 | } |
| 215 | }; |
| 216 | |
| 217 | MochiKit.Base.update(MochiKit.Async, { |
| 218 | /** @id MochiKit.Async.evalJSONRequest */ |
| 219 | evalJSONRequest: function (/* req */) { |
| 220 | return eval('(' + arguments[0].responseText + ')'); |
| 221 | }, |
| 222 | |
| 223 | /** @id MochiKit.Async.succeed */ |
| 224 | succeed: function (/* optional */result) { |
| 225 | var d = new MochiKit.Async.Deferred(); |
| 226 | d.callback.apply(d, arguments); |
| 227 | return d; |
| 228 | }, |
| 229 | |
| 230 | /** @id MochiKit.Async.fail */ |
| 231 | fail: function (/* optional */result) { |
| 232 | var d = new MochiKit.Async.Deferred(); |
| 233 | d.errback.apply(d, arguments); |
| 234 | return d; |
| 235 | }, |
| 236 | |
| 237 | /** @id MochiKit.Async.getXMLHttpRequest */ |
| 238 | getXMLHttpRequest: function () { |
| 239 | var self = arguments.callee; |
| 240 | if (!self.XMLHttpRequest) { |
| 241 | var tryThese = [ |
| 242 | function () { return new XMLHttpRequest(); }, |
| 243 | function () { return new ActiveXObject('Msxml2.XMLHTTP'); }, |
| 244 | function () { return new ActiveXObject('Microsoft.XMLHTTP'); }, |
| 245 | function () { return new ActiveXObject('Msxml2.XMLHTTP.4.0'); }, |
| 246 | function () { |
| 247 | throw new MochiKit.Async.BrowserComplianceError("Browser does not support XMLHttpRequest"); |
| 248 | } |
| 249 | ]; |
| 250 | for (var i = 0; i < tryThese.length; i++) { |
| 251 | var func = tryThese[i]; |
| 252 | try { |
| 253 | self.XMLHttpRequest = func; |
| 254 | return func(); |
| 255 | } catch (e) { |
| 256 | // pass |
| 257 | } |
| 258 | } |
| 259 | } |
| 260 | return self.XMLHttpRequest(); |
| 261 | }, |
| 262 | |
| 263 | _xhr_onreadystatechange: function (d) { |
| 264 | // MochiKit.Logging.logDebug('this.readyState', this.readyState); |
| 265 | var m = MochiKit.Base; |
| 266 | if (this.readyState == 4) { |
| 267 | // IE SUCKS |
| 268 | try { |
| 269 | this.onreadystatechange = null; |
| 270 | } catch (e) { |
| 271 | try { |
| 272 | this.onreadystatechange = m.noop; |
| 273 | } catch (e) { |
| 274 | } |
| 275 | } |
| 276 | var status = null; |
| 277 | try { |
| 278 | status = this.status; |
| 279 | if (!status && m.isNotEmpty(this.responseText)) { |
| 280 | // 0 or undefined seems to mean cached or local |
| 281 | status = 304; |
| 282 | } |
| 283 | } catch (e) { |
| 284 | // pass |
| 285 | // MochiKit.Logging.logDebug('error getting status?', repr(items(e))); |
| 286 | } |
| 287 | // 200 is OK, 201 is CREATED, 204 is NO CONTENT |
| 288 | // 304 is NOT MODIFIED, 1223 is apparently a bug in IE |
| 289 | if (status == 200 || status == 201 || status == 204 || |
| 290 | status == 304 || status == 1223) { |
| 291 | d.callback(this); |
| 292 | } else { |
| 293 | var err = new MochiKit.Async.XMLHttpRequestError(this, "Request failed"); |
| 294 | if (err.number) { |
| 295 | // XXX: This seems to happen on page change |
| 296 | d.errback(err); |
| 297 | } else { |
| 298 | // XXX: this seems to happen when the server is unreachable |
| 299 | d.errback(err); |
| 300 | } |
| 301 | } |
| 302 | } |
| 303 | }, |
| 304 | |
| 305 | _xhr_canceller: function (req) { |
| 306 | // IE SUCKS |
| 307 | try { |
| 308 | req.onreadystatechange = null; |
| 309 | } catch (e) { |
| 310 | try { |
| 311 | req.onreadystatechange = MochiKit.Base.noop; |
| 312 | } catch (e) { |
| 313 | } |
| 314 | } |
| 315 | req.abort(); |
| 316 | }, |
| 317 | |
| 318 | |
| 319 | /** @id MochiKit.Async.sendXMLHttpRequest */ |
| 320 | sendXMLHttpRequest: function (req, /* optional */ sendContent) { |
| 321 | if (typeof(sendContent) == "undefined" || sendContent === null) { |
| 322 | sendContent = ""; |
| 323 | } |
| 324 | |
| 325 | var m = MochiKit.Base; |
| 326 | var self = MochiKit.Async; |
| 327 | var d = new self.Deferred(m.partial(self._xhr_canceller, req)); |
| 328 | |
| 329 | try { |
| 330 | req.onreadystatechange = m.bind(self._xhr_onreadystatechange, |
| 331 | req, d); |
| 332 | req.send(sendContent); |
| 333 | } catch (e) { |
| 334 | try { |
| 335 | req.onreadystatechange = null; |
| 336 | } catch (ignore) { |
| 337 | // pass |
| 338 | } |
| 339 | d.errback(e); |
| 340 | } |
| 341 | |
| 342 | return d; |
| 343 | |
| 344 | }, |
| 345 | |
| 346 | /** @id MochiKit.Async.doXHR */ |
| 347 | doXHR: function (url, opts) { |
| 348 | /* |
| 349 | Work around a Firefox bug by dealing with XHR during |
| 350 | the next event loop iteration. Maybe it's this one: |
| 351 | https://bugzilla.mozilla.org/show_bug.cgi?id=249843 |
| 352 | */ |
| 353 | var self = MochiKit.Async; |
| 354 | return self.callLater(0, self._doXHR, url, opts); |
| 355 | }, |
| 356 | |
| 357 | _doXHR: function (url, opts) { |
| 358 | var m = MochiKit.Base; |
| 359 | opts = m.update({ |
| 360 | method: 'GET', |
| 361 | sendContent: '' |
| 362 | /* |
| 363 | queryString: undefined, |
| 364 | username: undefined, |
| 365 | password: undefined, |
| 366 | headers: undefined, |
| 367 | mimeType: undefined |
| 368 | */ |
| 369 | }, opts); |
| 370 | var self = MochiKit.Async; |
| 371 | var req = self.getXMLHttpRequest(); |
| 372 | if (opts.queryString) { |
| 373 | var qs = m.queryString(opts.queryString); |
| 374 | if (qs) { |
| 375 | url += "?" + qs; |
| 376 | } |
| 377 | } |
| 378 | // Safari will send undefined:undefined, so we have to check. |
| 379 | // We can't use apply, since the function is native. |
| 380 | if ('username' in opts) { |
| 381 | req.open(opts.method, url, true, opts.username, opts.password); |
| 382 | } else { |
| 383 | req.open(opts.method, url, true); |
| 384 | } |
| 385 | if (req.overrideMimeType && opts.mimeType) { |
| 386 | req.overrideMimeType(opts.mimeType); |
| 387 | } |
| 388 | if (opts.headers) { |
| 389 | var headers = opts.headers; |
| 390 | if (!m.isArrayLike(headers)) { |
| 391 | headers = m.items(headers); |
| 392 | } |
| 393 | for (var i = 0; i < headers.length; i++) { |
| 394 | var header = headers[i]; |
| 395 | var name = header[0]; |
| 396 | var value = header[1]; |
| 397 | req.setRequestHeader(name, value); |
| 398 | } |
| 399 | } |
| 400 | return self.sendXMLHttpRequest(req, opts.sendContent); |
| 401 | }, |
| 402 | |
| 403 | _buildURL: function (url/*, ...*/) { |
| 404 | if (arguments.length > 1) { |
| 405 | var m = MochiKit.Base; |
| 406 | var qs = m.queryString.apply(null, m.extend(null, arguments, 1)); |
| 407 | if (qs) { |
| 408 | return url + "?" + qs; |
| 409 | } |
| 410 | } |
| 411 | return url; |
| 412 | }, |
| 413 | |
| 414 | /** @id MochiKit.Async.doSimpleXMLHttpRequest */ |
| 415 | doSimpleXMLHttpRequest: function (url/*, ...*/) { |
| 416 | var self = MochiKit.Async; |
| 417 | url = self._buildURL.apply(self, arguments); |
| 418 | return self.doXHR(url); |
| 419 | }, |
| 420 | |
| 421 | /** @id MochiKit.Async.loadJSONDoc */ |
| 422 | loadJSONDoc: function (url/*, ...*/) { |
| 423 | var self = MochiKit.Async; |
| 424 | url = self._buildURL.apply(self, arguments); |
| 425 | var d = self.doXHR(url, { |
| 426 | 'mimeType': 'text/plain', |
| 427 | 'headers': [['Accept', 'application/json']] |
| 428 | }); |
| 429 | d = d.addCallback(self.evalJSONRequest); |
| 430 | return d; |
| 431 | }, |
| 432 | |
| 433 | /** @id MochiKit.Async.wait */ |
| 434 | wait: function (seconds, /* optional */value) { |
| 435 | var d = new MochiKit.Async.Deferred(); |
| 436 | var m = MochiKit.Base; |
| 437 | if (typeof(value) != 'undefined') { |
| 438 | d.addCallback(function () { return value; }); |
| 439 | } |
| 440 | var timeout = setTimeout( |
| 441 | m.bind("callback", d), |
| 442 | Math.floor(seconds * 1000)); |
| 443 | d.canceller = function () { |
| 444 | try { |
| 445 | clearTimeout(timeout); |
| 446 | } catch (e) { |
| 447 | // pass |
| 448 | } |
| 449 | }; |
| 450 | return d; |
| 451 | }, |
| 452 | |
| 453 | /** @id MochiKit.Async.callLater */ |
| 454 | callLater: function (seconds, func) { |
| 455 | var m = MochiKit.Base; |
| 456 | var pfunc = m.partial.apply(m, m.extend(null, arguments, 1)); |
| 457 | return MochiKit.Async.wait(seconds).addCallback( |
| 458 | function (res) { return pfunc(); } |
| 459 | ); |
| 460 | } |
| 461 | }); |
| 462 | |
| 463 | |
| 464 | /** @id MochiKit.Async.DeferredLock */ |
| 465 | MochiKit.Async.DeferredLock = function () { |
| 466 | this.waiting = []; |
| 467 | this.locked = false; |
| 468 | this.id = this._nextId(); |
| 469 | }; |
| 470 | |
| 471 | MochiKit.Async.DeferredLock.prototype = { |
| 472 | __class__: MochiKit.Async.DeferredLock, |
| 473 | /** @id MochiKit.Async.DeferredLock.prototype.acquire */ |
| 474 | acquire: function () { |
| 475 | var d = new MochiKit.Async.Deferred(); |
| 476 | if (this.locked) { |
| 477 | this.waiting.push(d); |
| 478 | } else { |
| 479 | this.locked = true; |
| 480 | d.callback(this); |
| 481 | } |
| 482 | return d; |
| 483 | }, |
| 484 | /** @id MochiKit.Async.DeferredLock.prototype.release */ |
| 485 | release: function () { |
| 486 | if (!this.locked) { |
| 487 | throw TypeError("Tried to release an unlocked DeferredLock"); |
| 488 | } |
| 489 | this.locked = false; |
| 490 | if (this.waiting.length > 0) { |
| 491 | this.locked = true; |
| 492 | this.waiting.shift().callback(this); |
| 493 | } |
| 494 | }, |
| 495 | _nextId: MochiKit.Base.counter(), |
| 496 | repr: function () { |
| 497 | var state; |
| 498 | if (this.locked) { |
| 499 | state = 'locked, ' + this.waiting.length + ' waiting'; |
| 500 | } else { |
| 501 | state = 'unlocked'; |
| 502 | } |
| 503 | return 'DeferredLock(' + this.id + ', ' + state + ')'; |
| 504 | }, |
| 505 | toString: MochiKit.Base.forwardCall("repr") |
| 506 | |
| 507 | }; |
| 508 | |
| 509 | /** @id MochiKit.Async.DeferredList */ |
| 510 | MochiKit.Async.DeferredList = function (list, /* optional */fireOnOneCallback, fireOnOneErrback, consumeErrors, canceller) { |
| 511 | |
| 512 | // call parent constructor |
| 513 | MochiKit.Async.Deferred.apply(this, [canceller]); |
| 514 | |
| 515 | this.list = list; |
| 516 | var resultList = []; |
| 517 | this.resultList = resultList; |
| 518 | |
| 519 | this.finishedCount = 0; |
| 520 | this.fireOnOneCallback = fireOnOneCallback; |
| 521 | this.fireOnOneErrback = fireOnOneErrback; |
| 522 | this.consumeErrors = consumeErrors; |
| 523 | |
| 524 | var cb = MochiKit.Base.bind(this._cbDeferred, this); |
| 525 | for (var i = 0; i < list.length; i++) { |
| 526 | var d = list[i]; |
| 527 | resultList.push(undefined); |
| 528 | d.addCallback(cb, i, true); |
| 529 | d.addErrback(cb, i, false); |
| 530 | } |
| 531 | |
| 532 | if (list.length === 0 && !fireOnOneCallback) { |
| 533 | this.callback(this.resultList); |
| 534 | } |
| 535 | |
| 536 | }; |
| 537 | |
| 538 | MochiKit.Async.DeferredList.prototype = new MochiKit.Async.Deferred(); |
| 539 | |
| 540 | MochiKit.Async.DeferredList.prototype._cbDeferred = function (index, succeeded, result) { |
| 541 | this.resultList[index] = [succeeded, result]; |
| 542 | this.finishedCount += 1; |
| 543 | if (this.fired == -1) { |
| 544 | if (succeeded && this.fireOnOneCallback) { |
| 545 | this.callback([index, result]); |
| 546 | } else if (!succeeded && this.fireOnOneErrback) { |
| 547 | this.errback(result); |
| 548 | } else if (this.finishedCount == this.list.length) { |
| 549 | this.callback(this.resultList); |
| 550 | } |
| 551 | } |
| 552 | if (!succeeded && this.consumeErrors) { |
| 553 | result = null; |
| 554 | } |
| 555 | return result; |
| 556 | }; |
| 557 | |
| 558 | /** @id MochiKit.Async.gatherResults */ |
| 559 | MochiKit.Async.gatherResults = function (deferredList) { |
| 560 | var d = new MochiKit.Async.DeferredList(deferredList, false, true, false); |
| 561 | d.addCallback(function (results) { |
| 562 | var ret = []; |
| 563 | for (var i = 0; i < results.length; i++) { |
| 564 | ret.push(results[i][1]); |
| 565 | } |
| 566 | return ret; |
| 567 | }); |
| 568 | return d; |
| 569 | }; |
| 570 | |
| 571 | /** @id MochiKit.Async.maybeDeferred */ |
| 572 | MochiKit.Async.maybeDeferred = function (func) { |
| 573 | var self = MochiKit.Async; |
| 574 | var result; |
| 575 | try { |
| 576 | var r = func.apply(null, MochiKit.Base.extend([], arguments, 1)); |
| 577 | if (r instanceof self.Deferred) { |
| 578 | result = r; |
| 579 | } else if (r instanceof Error) { |
| 580 | result = self.fail(r); |
| 581 | } else { |
| 582 | result = self.succeed(r); |
| 583 | } |
| 584 | } catch (e) { |
| 585 | result = self.fail(e); |
| 586 | } |
| 587 | return result; |
| 588 | }; |
| 589 | |
| 590 | |
| 591 | MochiKit.Async.EXPORT = [ |
| 592 | "AlreadyCalledError", |
| 593 | "CancelledError", |
| 594 | "BrowserComplianceError", |
| 595 | "GenericError", |
| 596 | "XMLHttpRequestError", |
| 597 | "Deferred", |
| 598 | "succeed", |
| 599 | "fail", |
| 600 | "getXMLHttpRequest", |
| 601 | "doSimpleXMLHttpRequest", |
| 602 | "loadJSONDoc", |
| 603 | "wait", |
| 604 | "callLater", |
| 605 | "sendXMLHttpRequest", |
| 606 | "DeferredLock", |
| 607 | "DeferredList", |
| 608 | "gatherResults", |
| 609 | "maybeDeferred", |
| 610 | "doXHR" |
| 611 | ]; |
| 612 | |
| 613 | MochiKit.Async.EXPORT_OK = [ |
| 614 | "evalJSONRequest" |
| 615 | ]; |
| 616 | |
| 617 | MochiKit.Async.__new__ = function () { |
| 618 | var m = MochiKit.Base; |
| 619 | var ne = m.partial(m._newNamedError, this); |
| 620 | |
| 621 | ne("AlreadyCalledError", |
| 622 | /** @id MochiKit.Async.AlreadyCalledError */ |
| 623 | function (deferred) { |
| 624 | /*** |
| 625 | |
| 626 | Raised by the Deferred if callback or errback happens |
| 627 | after it was already fired. |
| 628 | |
| 629 | ***/ |
| 630 | this.deferred = deferred; |
| 631 | } |
| 632 | ); |
| 633 | |
| 634 | ne("CancelledError", |
| 635 | /** @id MochiKit.Async.CancelledError */ |
| 636 | function (deferred) { |
| 637 | /*** |
| 638 | |
| 639 | Raised by the Deferred cancellation mechanism. |
| 640 | |
| 641 | ***/ |
| 642 | this.deferred = deferred; |
| 643 | } |
| 644 | ); |
| 645 | |
| 646 | ne("BrowserComplianceError", |
| 647 | /** @id MochiKit.Async.BrowserComplianceError */ |
| 648 | function (msg) { |
| 649 | /*** |
| 650 | |
| 651 | Raised when the JavaScript runtime is not capable of performing |
| 652 | the given function. Technically, this should really never be |
| 653 | raised because a non-conforming JavaScript runtime probably |
| 654 | isn't going to support exceptions in the first place. |
| 655 | |
| 656 | ***/ |
| 657 | this.message = msg; |
| 658 | } |
| 659 | ); |
| 660 | |
| 661 | ne("GenericError", |
| 662 | /** @id MochiKit.Async.GenericError */ |
| 663 | function (msg) { |
| 664 | this.message = msg; |
| 665 | } |
| 666 | ); |
| 667 | |
| 668 | ne("XMLHttpRequestError", |
| 669 | /** @id MochiKit.Async.XMLHttpRequestError */ |
| 670 | function (req, msg) { |
| 671 | /*** |
| 672 | |
| 673 | Raised when an XMLHttpRequest does not complete for any reason. |
| 674 | |
| 675 | ***/ |
| 676 | this.req = req; |
| 677 | this.message = msg; |
| 678 | try { |
| 679 | // Strange but true that this can raise in some cases. |
| 680 | this.number = req.status; |
| 681 | } catch (e) { |
| 682 | // pass |
| 683 | } |
| 684 | } |
| 685 | ); |
| 686 | |
| 687 | |
| 688 | this.EXPORT_TAGS = { |
| 689 | ":common": this.EXPORT, |
| 690 | ":all": m.concat(this.EXPORT, this.EXPORT_OK) |
| 691 | }; |
| 692 | |
| 693 | m.nameFunctions(this); |
| 694 | |
| 695 | }; |
| 696 | |
| 697 | MochiKit.Async.__new__(); |
| 698 | |
| 699 | MochiKit.Base._exportSymbols(this, MochiKit.Async); |