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Diffstat (limited to 'lib/dojo/_base/xhr.js.uncompressed.js')
| -rw-r--r-- | lib/dojo/_base/xhr.js.uncompressed.js | 830 |
1 files changed, 830 insertions, 0 deletions
diff --git a/lib/dojo/_base/xhr.js.uncompressed.js b/lib/dojo/_base/xhr.js.uncompressed.js new file mode 100644 index 000000000..94f5c78b1 --- /dev/null +++ b/lib/dojo/_base/xhr.js.uncompressed.js @@ -0,0 +1,830 @@ +define("dojo/_base/xhr", [ + "./kernel", "./sniff", "require", "../io-query", "../dom", "../dom-form", "./Deferred", "./json", "./lang", "./array", "../on" +], function(dojo, has, require, ioq, dom, domForm, deferred, json, lang, array, on){ + // module: + // dojo/_base.xhr + // summary: + // This modules defines the dojo.xhr* API. + + has.add("native-xhr", function() { + // if true, the environment has a native XHR implementation + return typeof XMLHttpRequest !== 'undefined'; + }); + + if(1 && require.getXhr){ + dojo._xhrObj = require.getXhr; + }else if (has("native-xhr")){ + dojo._xhrObj = function(){ + // summary: + // does the work of portably generating a new XMLHTTPRequest object. + try{ + return new XMLHttpRequest(); + }catch(e){ + throw new Error("XMLHTTP not available: "+e); + } + }; + }else{ + // PROGIDs are in order of decreasing likelihood; this will change in time. + for(var XMLHTTP_PROGIDS = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'], progid, i = 0; i < 3;){ + try{ + progid = XMLHTTP_PROGIDS[i++]; + if (new ActiveXObject(progid)) { + // this progid works; therefore, use it from now on + break; + } + }catch(e){ + // squelch; we're just trying to find a good ActiveX PROGID + // if they all fail, then progid ends up as the last attempt and that will signal the error + // the first time the client actually tries to exec an xhr + } + } + dojo._xhrObj= function() { + return new ActiveXObject(progid); + }; + } + + var cfg = dojo.config; + + // mix in io-query and dom-form + dojo.objectToQuery = ioq.objectToQuery; + dojo.queryToObject = ioq.queryToObject; + dojo.fieldToObject = domForm.fieldToObject; + dojo.formToObject = domForm.toObject; + dojo.formToQuery = domForm.toQuery; + dojo.formToJson = domForm.toJson; + + // need to block async callbacks from snatching this thread as the result + // of an async callback might call another sync XHR, this hangs khtml forever + // must checked by watchInFlight() + + dojo._blockAsync = false; + + // MOW: remove dojo._contentHandlers alias in 2.0 + var handlers = dojo._contentHandlers = dojo.contentHandlers = { + // summary: + // A map of availble XHR transport handle types. Name matches the + // `handleAs` attribute passed to XHR calls. + // + // description: + // A map of availble XHR transport handle types. Name matches the + // `handleAs` attribute passed to XHR calls. Each contentHandler is + // called, passing the xhr object for manipulation. The return value + // from the contentHandler will be passed to the `load` or `handle` + // functions defined in the original xhr call. + // + // example: + // Creating a custom content-handler: + // | dojo.contentHandlers.makeCaps = function(xhr){ + // | return xhr.responseText.toUpperCase(); + // | } + // | // and later: + // | dojo.xhrGet({ + // | url:"foo.txt", + // | handleAs:"makeCaps", + // | load: function(data){ /* data is a toUpper version of foo.txt */ } + // | }); + + "text": function(xhr){ + // summary: A contentHandler which simply returns the plaintext response data + return xhr.responseText; + }, + "json": function(xhr){ + // summary: A contentHandler which returns a JavaScript object created from the response data + return json.fromJson(xhr.responseText || null); + }, + "json-comment-filtered": function(xhr){ + // summary: A contentHandler which expects comment-filtered JSON. + // description: + // A contentHandler which expects comment-filtered JSON. + // the json-comment-filtered option was implemented to prevent + // "JavaScript Hijacking", but it is less secure than standard JSON. Use + // standard JSON instead. JSON prefixing can be used to subvert hijacking. + // + // Will throw a notice suggesting to use application/json mimetype, as + // json-commenting can introduce security issues. To decrease the chances of hijacking, + // use the standard `json` contentHandler, and prefix your "JSON" with: {}&& + // + // use djConfig.useCommentedJson = true to turn off the notice + if(!dojo.config.useCommentedJson){ + console.warn("Consider using the standard mimetype:application/json." + + " json-commenting can introduce security issues. To" + + " decrease the chances of hijacking, use the standard the 'json' handler and" + + " prefix your json with: {}&&\n" + + "Use djConfig.useCommentedJson=true to turn off this message."); + } + + var value = xhr.responseText; + var cStartIdx = value.indexOf("\/*"); + var cEndIdx = value.lastIndexOf("*\/"); + if(cStartIdx == -1 || cEndIdx == -1){ + throw new Error("JSON was not comment filtered"); + } + return json.fromJson(value.substring(cStartIdx+2, cEndIdx)); + }, + "javascript": function(xhr){ + // summary: A contentHandler which evaluates the response data, expecting it to be valid JavaScript + + // FIXME: try Moz and IE specific eval variants? + return dojo.eval(xhr.responseText); + }, + "xml": function(xhr){ + // summary: A contentHandler returning an XML Document parsed from the response data + var result = xhr.responseXML; + + if(has("ie")){ + if((!result || !result.documentElement)){ + //WARNING: this branch used by the xml handling in dojo.io.iframe, + //so be sure to test dojo.io.iframe if making changes below. + var ms = function(n){ return "MSXML" + n + ".DOMDocument"; }; + var dp = ["Microsoft.XMLDOM", ms(6), ms(4), ms(3), ms(2)]; + array.some(dp, function(p){ + try{ + var dom = new ActiveXObject(p); + dom.async = false; + dom.loadXML(xhr.responseText); + result = dom; + }catch(e){ return false; } + return true; + }); + } + } + return result; // DOMDocument + }, + "json-comment-optional": function(xhr){ + // summary: A contentHandler which checks the presence of comment-filtered JSON and + // alternates between the `json` and `json-comment-filtered` contentHandlers. + if(xhr.responseText && /^[^{\[]*\/\*/.test(xhr.responseText)){ + return handlers["json-comment-filtered"](xhr); + }else{ + return handlers["json"](xhr); + } + } + }; + + /*===== + dojo.__IoArgs = function(){ + // url: String + // URL to server endpoint. + // content: Object? + // Contains properties with string values. These + // properties will be serialized as name1=value2 and + // passed in the request. + // timeout: Integer? + // Milliseconds to wait for the response. If this time + // passes, the then error callbacks are called. + // form: DOMNode? + // DOM node for a form. Used to extract the form values + // and send to the server. + // preventCache: Boolean? + // Default is false. If true, then a + // "dojo.preventCache" parameter is sent in the request + // with a value that changes with each request + // (timestamp). Useful only with GET-type requests. + // handleAs: String? + // Acceptable values depend on the type of IO + // transport (see specific IO calls for more information). + // rawBody: String? + // Sets the raw body for an HTTP request. If this is used, then the content + // property is ignored. This is mostly useful for HTTP methods that have + // a body to their requests, like PUT or POST. This property can be used instead + // of postData and putData for dojo.rawXhrPost and dojo.rawXhrPut respectively. + // ioPublish: Boolean? + // Set this explicitly to false to prevent publishing of topics related to + // IO operations. Otherwise, if djConfig.ioPublish is set to true, topics + // will be published via dojo.publish for different phases of an IO operation. + // See dojo.__IoPublish for a list of topics that are published. + // load: Function? + // This function will be + // called on a successful HTTP response code. + // error: Function? + // This function will + // be called when the request fails due to a network or server error, the url + // is invalid, etc. It will also be called if the load or handle callback throws an + // exception, unless djConfig.debugAtAllCosts is true. This allows deployed applications + // to continue to run even when a logic error happens in the callback, while making + // it easier to troubleshoot while in debug mode. + // handle: Function? + // This function will + // be called at the end of every request, whether or not an error occurs. + this.url = url; + this.content = content; + this.timeout = timeout; + this.form = form; + this.preventCache = preventCache; + this.handleAs = handleAs; + this.ioPublish = ioPublish; + this.load = function(response, ioArgs){ + // ioArgs: dojo.__IoCallbackArgs + // Provides additional information about the request. + // response: Object + // The response in the format as defined with handleAs. + } + this.error = function(response, ioArgs){ + // ioArgs: dojo.__IoCallbackArgs + // Provides additional information about the request. + // response: Object + // The response in the format as defined with handleAs. + } + this.handle = function(loadOrError, response, ioArgs){ + // loadOrError: String + // Provides a string that tells you whether this function + // was called because of success (load) or failure (error). + // response: Object + // The response in the format as defined with handleAs. + // ioArgs: dojo.__IoCallbackArgs + // Provides additional information about the request. + } + } + =====*/ + + /*===== + dojo.__IoCallbackArgs = function(args, xhr, url, query, handleAs, id, canDelete, json){ + // args: Object + // the original object argument to the IO call. + // xhr: XMLHttpRequest + // For XMLHttpRequest calls only, the + // XMLHttpRequest object that was used for the + // request. + // url: String + // The final URL used for the call. Many times it + // will be different than the original args.url + // value. + // query: String + // For non-GET requests, the + // name1=value1&name2=value2 parameters sent up in + // the request. + // handleAs: String + // The final indicator on how the response will be + // handled. + // id: String + // For dojo.io.script calls only, the internal + // script ID used for the request. + // canDelete: Boolean + // For dojo.io.script calls only, indicates + // whether the script tag that represents the + // request can be deleted after callbacks have + // been called. Used internally to know when + // cleanup can happen on JSONP-type requests. + // json: Object + // For dojo.io.script calls only: holds the JSON + // response for JSONP-type requests. Used + // internally to hold on to the JSON responses. + // You should not need to access it directly -- + // the same object should be passed to the success + // callbacks directly. + this.args = args; + this.xhr = xhr; + this.url = url; + this.query = query; + this.handleAs = handleAs; + this.id = id; + this.canDelete = canDelete; + this.json = json; + } + =====*/ + + + /*===== + dojo.__IoPublish = function(){ + // summary: + // This is a list of IO topics that can be published + // if djConfig.ioPublish is set to true. IO topics can be + // published for any Input/Output, network operation. So, + // dojo.xhr, dojo.io.script and dojo.io.iframe can all + // trigger these topics to be published. + // start: String + // "/dojo/io/start" is sent when there are no outstanding IO + // requests, and a new IO request is started. No arguments + // are passed with this topic. + // send: String + // "/dojo/io/send" is sent whenever a new IO request is started. + // It passes the dojo.Deferred for the request with the topic. + // load: String + // "/dojo/io/load" is sent whenever an IO request has loaded + // successfully. It passes the response and the dojo.Deferred + // for the request with the topic. + // error: String + // "/dojo/io/error" is sent whenever an IO request has errored. + // It passes the error and the dojo.Deferred + // for the request with the topic. + // done: String + // "/dojo/io/done" is sent whenever an IO request has completed, + // either by loading or by erroring. It passes the error and + // the dojo.Deferred for the request with the topic. + // stop: String + // "/dojo/io/stop" is sent when all outstanding IO requests have + // finished. No arguments are passed with this topic. + this.start = "/dojo/io/start"; + this.send = "/dojo/io/send"; + this.load = "/dojo/io/load"; + this.error = "/dojo/io/error"; + this.done = "/dojo/io/done"; + this.stop = "/dojo/io/stop"; + } + =====*/ + + + dojo._ioSetArgs = function(/*dojo.__IoArgs*/args, + /*Function*/canceller, + /*Function*/okHandler, + /*Function*/errHandler){ + // summary: + // sets up the Deferred and ioArgs property on the Deferred so it + // can be used in an io call. + // args: + // The args object passed into the public io call. Recognized properties on + // the args object are: + // canceller: + // The canceller function used for the Deferred object. The function + // will receive one argument, the Deferred object that is related to the + // canceller. + // okHandler: + // The first OK callback to be registered with Deferred. It has the opportunity + // to transform the OK response. It will receive one argument -- the Deferred + // object returned from this function. + // errHandler: + // The first error callback to be registered with Deferred. It has the opportunity + // to do cleanup on an error. It will receive two arguments: error (the + // Error object) and dfd, the Deferred object returned from this function. + + var ioArgs = {args: args, url: args.url}; + + //Get values from form if requestd. + var formObject = null; + if(args.form){ + var form = dom.byId(args.form); + //IE requires going through getAttributeNode instead of just getAttribute in some form cases, + //so use it for all. See #2844 + var actnNode = form.getAttributeNode("action"); + ioArgs.url = ioArgs.url || (actnNode ? actnNode.value : null); + formObject = domForm.toObject(form); + } + + // set up the query params + var miArgs = [{}]; + + if(formObject){ + // potentially over-ride url-provided params w/ form values + miArgs.push(formObject); + } + if(args.content){ + // stuff in content over-rides what's set by form + miArgs.push(args.content); + } + if(args.preventCache){ + miArgs.push({"dojo.preventCache": new Date().valueOf()}); + } + ioArgs.query = ioq.objectToQuery(lang.mixin.apply(null, miArgs)); + + // .. and the real work of getting the deferred in order, etc. + ioArgs.handleAs = args.handleAs || "text"; + var d = new deferred(canceller); + d.addCallbacks(okHandler, function(error){ + return errHandler(error, d); + }); + + //Support specifying load, error and handle callback functions from the args. + //For those callbacks, the "this" object will be the args object. + //The callbacks will get the deferred result value as the + //first argument and the ioArgs object as the second argument. + var ld = args.load; + if(ld && lang.isFunction(ld)){ + d.addCallback(function(value){ + return ld.call(args, value, ioArgs); + }); + } + var err = args.error; + if(err && lang.isFunction(err)){ + d.addErrback(function(value){ + return err.call(args, value, ioArgs); + }); + } + var handle = args.handle; + if(handle && lang.isFunction(handle)){ + d.addBoth(function(value){ + return handle.call(args, value, ioArgs); + }); + } + + //Plug in topic publishing, if dojo.publish is loaded. + if(cfg.ioPublish && dojo.publish && ioArgs.args.ioPublish !== false){ + d.addCallbacks( + function(res){ + dojo.publish("/dojo/io/load", [d, res]); + return res; + }, + function(res){ + dojo.publish("/dojo/io/error", [d, res]); + return res; + } + ); + d.addBoth(function(res){ + dojo.publish("/dojo/io/done", [d, res]); + return res; + }); + } + + d.ioArgs = ioArgs; + + // FIXME: need to wire up the xhr object's abort method to something + // analagous in the Deferred + return d; + }; + + var _deferredCancel = function(/*Deferred*/dfd){ + // summary: canceller function for dojo._ioSetArgs call. + + dfd.canceled = true; + var xhr = dfd.ioArgs.xhr; + var _at = typeof xhr.abort; + if(_at == "function" || _at == "object" || _at == "unknown"){ + xhr.abort(); + } + var err = dfd.ioArgs.error; + if(!err){ + err = new Error("xhr cancelled"); + err.dojoType="cancel"; + } + return err; + }; + var _deferredOk = function(/*Deferred*/dfd){ + // summary: okHandler function for dojo._ioSetArgs call. + + var ret = handlers[dfd.ioArgs.handleAs](dfd.ioArgs.xhr); + return ret === undefined ? null : ret; + }; + var _deferError = function(/*Error*/error, /*Deferred*/dfd){ + // summary: errHandler function for dojo._ioSetArgs call. + + if(!dfd.ioArgs.args.failOk){ + console.error(error); + } + return error; + }; + + // avoid setting a timer per request. It degrades performance on IE + // something fierece if we don't use unified loops. + var _inFlightIntvl = null; + var _inFlight = []; + + + //Use a separate count for knowing if we are starting/stopping io calls. + //Cannot use _inFlight.length since it can change at a different time than + //when we want to do this kind of test. We only want to decrement the count + //after a callback/errback has finished, since the callback/errback should be + //considered as part of finishing a request. + var _pubCount = 0; + var _checkPubCount = function(dfd){ + if(_pubCount <= 0){ + _pubCount = 0; + if(cfg.ioPublish && dojo.publish && (!dfd || dfd && dfd.ioArgs.args.ioPublish !== false)){ + dojo.publish("/dojo/io/stop"); + } + } + }; + + var _watchInFlight = function(){ + //summary: + // internal method that checks each inflight XMLHttpRequest to see + // if it has completed or if the timeout situation applies. + + var now = (new Date()).getTime(); + // make sure sync calls stay thread safe, if this callback is called + // during a sync call and this results in another sync call before the + // first sync call ends the browser hangs + if(!dojo._blockAsync){ + // we need manual loop because we often modify _inFlight (and therefore 'i') while iterating + // note: the second clause is an assigment on purpose, lint may complain + for(var i = 0, tif; i < _inFlight.length && (tif = _inFlight[i]); i++){ + var dfd = tif.dfd; + var func = function(){ + if(!dfd || dfd.canceled || !tif.validCheck(dfd)){ + _inFlight.splice(i--, 1); + _pubCount -= 1; + }else if(tif.ioCheck(dfd)){ + _inFlight.splice(i--, 1); + tif.resHandle(dfd); + _pubCount -= 1; + }else if(dfd.startTime){ + //did we timeout? + if(dfd.startTime + (dfd.ioArgs.args.timeout || 0) < now){ + _inFlight.splice(i--, 1); + var err = new Error("timeout exceeded"); + err.dojoType = "timeout"; + dfd.errback(err); + //Cancel the request so the io module can do appropriate cleanup. + dfd.cancel(); + _pubCount -= 1; + } + } + }; + if(dojo.config.debugAtAllCosts){ + func.call(this); + }else{ + try{ + func.call(this); + }catch(e){ + dfd.errback(e); + } + } + } + } + + _checkPubCount(dfd); + + if(!_inFlight.length){ + clearInterval(_inFlightIntvl); + _inFlightIntvl = null; + } + }; + + dojo._ioCancelAll = function(){ + //summary: Cancels all pending IO requests, regardless of IO type + //(xhr, script, iframe). + try{ + array.forEach(_inFlight, function(i){ + try{ + i.dfd.cancel(); + }catch(e){/*squelch*/} + }); + }catch(e){/*squelch*/} + }; + + //Automatically call cancel all io calls on unload + //in IE for trac issue #2357. + if(has("ie")){ + on(window, "unload", dojo._ioCancelAll); + } + + dojo._ioNotifyStart = function(/*Deferred*/dfd){ + // summary: + // If dojo.publish is available, publish topics + // about the start of a request queue and/or the + // the beginning of request. + // description: + // Used by IO transports. An IO transport should + // call this method before making the network connection. + if(cfg.ioPublish && dojo.publish && dfd.ioArgs.args.ioPublish !== false){ + if(!_pubCount){ + dojo.publish("/dojo/io/start"); + } + _pubCount += 1; + dojo.publish("/dojo/io/send", [dfd]); + } + }; + + dojo._ioWatch = function(dfd, validCheck, ioCheck, resHandle){ + // summary: + // Watches the io request represented by dfd to see if it completes. + // dfd: Deferred + // The Deferred object to watch. + // validCheck: Function + // Function used to check if the IO request is still valid. Gets the dfd + // object as its only argument. + // ioCheck: Function + // Function used to check if basic IO call worked. Gets the dfd + // object as its only argument. + // resHandle: Function + // Function used to process response. Gets the dfd + // object as its only argument. + var args = dfd.ioArgs.args; + if(args.timeout){ + dfd.startTime = (new Date()).getTime(); + } + + _inFlight.push({dfd: dfd, validCheck: validCheck, ioCheck: ioCheck, resHandle: resHandle}); + if(!_inFlightIntvl){ + _inFlightIntvl = setInterval(_watchInFlight, 50); + } + // handle sync requests + //A weakness: async calls in flight + //could have their handlers called as part of the + //_watchInFlight call, before the sync's callbacks + // are called. + if(args.sync){ + _watchInFlight(); + } + }; + + var _defaultContentType = "application/x-www-form-urlencoded"; + + var _validCheck = function(/*Deferred*/dfd){ + return dfd.ioArgs.xhr.readyState; //boolean + }; + var _ioCheck = function(/*Deferred*/dfd){ + return 4 == dfd.ioArgs.xhr.readyState; //boolean + }; + var _resHandle = function(/*Deferred*/dfd){ + var xhr = dfd.ioArgs.xhr; + if(dojo._isDocumentOk(xhr)){ + dfd.callback(dfd); + }else{ + var err = new Error("Unable to load " + dfd.ioArgs.url + " status:" + xhr.status); + err.status = xhr.status; + err.responseText = xhr.responseText; + err.xhr = xhr; + dfd.errback(err); + } + }; + + dojo._ioAddQueryToUrl = function(/*dojo.__IoCallbackArgs*/ioArgs){ + //summary: Adds query params discovered by the io deferred construction to the URL. + //Only use this for operations which are fundamentally GET-type operations. + if(ioArgs.query.length){ + ioArgs.url += (ioArgs.url.indexOf("?") == -1 ? "?" : "&") + ioArgs.query; + ioArgs.query = null; + } + }; + + /*===== + dojo.declare("dojo.__XhrArgs", dojo.__IoArgs, { + constructor: function(){ + // summary: + // In addition to the properties listed for the dojo._IoArgs type, + // the following properties are allowed for dojo.xhr* methods. + // handleAs: String? + // Acceptable values are: text (default), json, json-comment-optional, + // json-comment-filtered, javascript, xml. See `dojo.contentHandlers` + // sync: Boolean? + // false is default. Indicates whether the request should + // be a synchronous (blocking) request. + // headers: Object? + // Additional HTTP headers to send in the request. + // failOk: Boolean? + // false is default. Indicates whether a request should be + // allowed to fail (and therefore no console error message in + // the event of a failure) + // contentType: String|Boolean + // "application/x-www-form-urlencoded" is default. Set to false to + // prevent a Content-Type header from being sent, or to a string + // to send a different Content-Type. + this.handleAs = handleAs; + this.sync = sync; + this.headers = headers; + this.failOk = failOk; + } + }); + =====*/ + + dojo.xhr = function(/*String*/ method, /*dojo.__XhrArgs*/ args, /*Boolean?*/ hasBody){ + // summary: + // Sends an HTTP request with the given method. + // description: + // Sends an HTTP request with the given method. + // See also dojo.xhrGet(), xhrPost(), xhrPut() and dojo.xhrDelete() for shortcuts + // for those HTTP methods. There are also methods for "raw" PUT and POST methods + // via dojo.rawXhrPut() and dojo.rawXhrPost() respectively. + // method: + // HTTP method to be used, such as GET, POST, PUT, DELETE. Should be uppercase. + // hasBody: + // If the request has an HTTP body, then pass true for hasBody. + + //Make the Deferred object for this xhr request. + var dfd = dojo._ioSetArgs(args, _deferredCancel, _deferredOk, _deferError); + var ioArgs = dfd.ioArgs; + + //Pass the args to _xhrObj, to allow alternate XHR calls based specific calls, like + //the one used for iframe proxies. + var xhr = ioArgs.xhr = dojo._xhrObj(ioArgs.args); + //If XHR factory fails, cancel the deferred. + if(!xhr){ + dfd.cancel(); + return dfd; + } + + //Allow for specifying the HTTP body completely. + if("postData" in args){ + ioArgs.query = args.postData; + }else if("putData" in args){ + ioArgs.query = args.putData; + }else if("rawBody" in args){ + ioArgs.query = args.rawBody; + }else if((arguments.length > 2 && !hasBody) || "POST|PUT".indexOf(method.toUpperCase()) == -1){ + //Check for hasBody being passed. If no hasBody, + //then only append query string if not a POST or PUT request. + dojo._ioAddQueryToUrl(ioArgs); + } + + // IE 6 is a steaming pile. It won't let you call apply() on the native function (xhr.open). + // workaround for IE6's apply() "issues" + xhr.open(method, ioArgs.url, args.sync !== true, args.user || undefined, args.password || undefined); + if(args.headers){ + for(var hdr in args.headers){ + if(hdr.toLowerCase() === "content-type" && !args.contentType){ + args.contentType = args.headers[hdr]; + }else if(args.headers[hdr]){ + //Only add header if it has a value. This allows for instnace, skipping + //insertion of X-Requested-With by specifying empty value. + xhr.setRequestHeader(hdr, args.headers[hdr]); + } + } + } + // FIXME: is this appropriate for all content types? + if(args.contentType !== false){ + xhr.setRequestHeader("Content-Type", args.contentType || _defaultContentType); + } + if(!args.headers || !("X-Requested-With" in args.headers)){ + xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest"); + } + // FIXME: set other headers here! + dojo._ioNotifyStart(dfd); + if(dojo.config.debugAtAllCosts){ + xhr.send(ioArgs.query); + }else{ + try{ + xhr.send(ioArgs.query); + }catch(e){ + ioArgs.error = e; + dfd.cancel(); + } + } + dojo._ioWatch(dfd, _validCheck, _ioCheck, _resHandle); + xhr = null; + return dfd; // dojo.Deferred + }; + + dojo.xhrGet = function(/*dojo.__XhrArgs*/ args){ + // summary: + // Sends an HTTP GET request to the server. + return dojo.xhr("GET", args); // dojo.Deferred + }; + + dojo.rawXhrPost = dojo.xhrPost = function(/*dojo.__XhrArgs*/ args){ + // summary: + // Sends an HTTP POST request to the server. In addtion to the properties + // listed for the dojo.__XhrArgs type, the following property is allowed: + // postData: + // String. Send raw data in the body of the POST request. + return dojo.xhr("POST", args, true); // dojo.Deferred + }; + + dojo.rawXhrPut = dojo.xhrPut = function(/*dojo.__XhrArgs*/ args){ + // summary: + // Sends an HTTP PUT request to the server. In addtion to the properties + // listed for the dojo.__XhrArgs type, the following property is allowed: + // putData: + // String. Send raw data in the body of the PUT request. + return dojo.xhr("PUT", args, true); // dojo.Deferred + }; + + dojo.xhrDelete = function(/*dojo.__XhrArgs*/ args){ + // summary: + // Sends an HTTP DELETE request to the server. + return dojo.xhr("DELETE", args); //dojo.Deferred + }; + + /* + dojo.wrapForm = function(formNode){ + //summary: + // A replacement for FormBind, but not implemented yet. + + // FIXME: need to think harder about what extensions to this we might + // want. What should we allow folks to do w/ this? What events to + // set/send? + throw new Error("dojo.wrapForm not yet implemented"); + } + */ + + dojo._isDocumentOk = function(http){ + var stat = http.status || 0; + stat = + (stat >= 200 && stat < 300) || // allow any 2XX response code + stat == 304 || // or, get it out of the cache + stat == 1223 || // or, Internet Explorer mangled the status code + !stat; // or, we're Titanium/browser chrome/chrome extension requesting a local file + return stat; // Boolean + }; + + dojo._getText = function(url){ + var result; + dojo.xhrGet({url:url, sync:true, load:function(text){ + result = text; + }}); + return result; + }; + + // Add aliases for static functions to dojo.xhr since dojo.xhr is what's returned from this module + lang.mixin(dojo.xhr, { + _xhrObj: dojo._xhrObj, + fieldToObject: domForm.fieldToObject, + formToObject: domForm.toObject, + objectToQuery: ioq.objectToQuery, + formToQuery: domForm.toQuery, + formToJson: domForm.toJson, + queryToObject: ioq.queryToObject, + contentHandlers: handlers, + _ioSetArgs: dojo._ioSetArgs, + _ioCancelAll: dojo._ioCancelAll, + _ioNotifyStart: dojo._ioNotifyStart, + _ioWatch: dojo._ioWatch, + _ioAddQueryToUrl: dojo._ioAddQueryToUrl, + _isDocumentOk: dojo._isDocumentOk, + _getText: dojo._getText, + get: dojo.xhrGet, + post: dojo.xhrPost, + put: dojo.xhrPut, + del: dojo.xhrDelete // because "delete" is a reserved word + }); + + return dojo.xhr; +}); |