| /* |
| Copyright (c) 2004-2006, The Dojo Foundation |
| All Rights Reserved. |
| |
| Licensed under the Academic Free License version 2.1 or above OR the |
| modified BSD license. For more information on Dojo licensing, see: |
| |
| http://dojotoolkit.org/community/licensing.shtml |
| */ |
| |
| |
| |
| dojo.provide("dojo.io.XhrIframeProxy"); |
| dojo.require("dojo.experimental"); |
| dojo.experimental("dojo.io.XhrIframeProxy"); |
| dojo.require("dojo.io.IframeIO"); |
| dojo.require("dojo.dom"); |
| dojo.require("dojo.uri.Uri"); |
| dojo.io.XhrIframeProxy = {xipClientUrl:djConfig["xipClientUrl"] || dojo.uri.moduleUri("dojo.io", "xip_client.html"), _state:{}, _stateIdCounter:0, needFrameRecursion:function () { |
| return (true == dojo.render.html.ie70); |
| }, send:function (facade) { |
| var stateId = "XhrIframeProxy" + (this._stateIdCounter++); |
| facade._stateId = stateId; |
| var frameUrl = this.xipClientUrl + "#0:init:id=" + stateId + "&server=" + encodeURIComponent(facade._ifpServerUrl) + "&fr=false"; |
| if (this.needFrameRecursion()) { |
| var fullClientUrl = window.location.href; |
| if ((this.xipClientUrl + "").charAt(0) == "/") { |
| var endIndex = fullClientUrl.indexOf("://"); |
| endIndex = fullClientUrl.indexOf("/", endIndex + 1); |
| fullClientUrl = fullClientUrl.substring(0, endIndex); |
| } else { |
| fullClientUrl = fullClientUrl.substring(0, fullClientUrl.lastIndexOf("/") + 1); |
| } |
| fullClientUrl += this.xipClientUrl; |
| var serverUrl = facade._ifpServerUrl + (facade._ifpServerUrl.indexOf("?") == -1 ? "?" : "&") + "dojo.fr=1"; |
| frameUrl = serverUrl + "#0:init:id=" + stateId + "&client=" + encodeURIComponent(fullClientUrl) + "&fr=" + this.needFrameRecursion(); |
| } |
| this._state[stateId] = {facade:facade, stateId:stateId, clientFrame:dojo.io.createIFrame(stateId, "", frameUrl)}; |
| return stateId; |
| }, receive:function (stateId, urlEncodedData) { |
| var response = {}; |
| var nvPairs = urlEncodedData.split("&"); |
| for (var i = 0; i < nvPairs.length; i++) { |
| if (nvPairs[i]) { |
| var nameValue = nvPairs[i].split("="); |
| response[decodeURIComponent(nameValue[0])] = decodeURIComponent(nameValue[1]); |
| } |
| } |
| var state = this._state[stateId]; |
| var facade = state.facade; |
| facade._setResponseHeaders(response.responseHeaders); |
| if (response.status == 0 || response.status) { |
| facade.status = parseInt(response.status, 10); |
| } |
| if (response.statusText) { |
| facade.statusText = response.statusText; |
| } |
| if (response.responseText) { |
| facade.responseText = response.responseText; |
| var contentType = facade.getResponseHeader("Content-Type"); |
| if (contentType && (contentType == "application/xml" || contentType == "text/xml")) { |
| facade.responseXML = dojo.dom.createDocumentFromText(response.responseText, contentType); |
| } |
| } |
| facade.readyState = 4; |
| this.destroyState(stateId); |
| }, clientFrameLoaded:function (stateId) { |
| var state = this._state[stateId]; |
| var facade = state.facade; |
| if (this.needFrameRecursion()) { |
| var clientWindow = window.open("", state.stateId + "_clientEndPoint"); |
| } else { |
| var clientWindow = state.clientFrame.contentWindow; |
| } |
| var reqHeaders = []; |
| for (var param in facade._requestHeaders) { |
| reqHeaders.push(param + ": " + facade._requestHeaders[param]); |
| } |
| var requestData = {uri:facade._uri}; |
| if (reqHeaders.length > 0) { |
| requestData.requestHeaders = reqHeaders.join("\r\n"); |
| } |
| if (facade._method) { |
| requestData.method = facade._method; |
| } |
| if (facade._bodyData) { |
| requestData.data = facade._bodyData; |
| } |
| clientWindow.send(dojo.io.argsFromMap(requestData, "utf8")); |
| }, destroyState:function (stateId) { |
| var state = this._state[stateId]; |
| if (state) { |
| delete this._state[stateId]; |
| var parentNode = state.clientFrame.parentNode; |
| parentNode.removeChild(state.clientFrame); |
| state.clientFrame = null; |
| state = null; |
| } |
| }, createFacade:function () { |
| if (arguments && arguments[0] && arguments[0]["iframeProxyUrl"]) { |
| return new dojo.io.XhrIframeFacade(arguments[0]["iframeProxyUrl"]); |
| } else { |
| return dojo.io.XhrIframeProxy.oldGetXmlhttpObject.apply(dojo.hostenv, arguments); |
| } |
| }}; |
| dojo.io.XhrIframeProxy.oldGetXmlhttpObject = dojo.hostenv.getXmlhttpObject; |
| dojo.hostenv.getXmlhttpObject = dojo.io.XhrIframeProxy.createFacade; |
| dojo.io.XhrIframeFacade = function (ifpServerUrl) { |
| this._requestHeaders = {}; |
| this._allResponseHeaders = null; |
| this._responseHeaders = {}; |
| this._method = null; |
| this._uri = null; |
| this._bodyData = null; |
| this.responseText = null; |
| this.responseXML = null; |
| this.status = null; |
| this.statusText = null; |
| this.readyState = 0; |
| this._ifpServerUrl = ifpServerUrl; |
| this._stateId = null; |
| }; |
| dojo.lang.extend(dojo.io.XhrIframeFacade, {open:function (method, uri) { |
| this._method = method; |
| this._uri = uri; |
| this.readyState = 1; |
| }, setRequestHeader:function (header, value) { |
| this._requestHeaders[header] = value; |
| }, send:function (stringData) { |
| this._bodyData = stringData; |
| this._stateId = dojo.io.XhrIframeProxy.send(this); |
| this.readyState = 2; |
| }, abort:function () { |
| dojo.io.XhrIframeProxy.destroyState(this._stateId); |
| }, getAllResponseHeaders:function () { |
| return this._allResponseHeaders; |
| }, getResponseHeader:function (header) { |
| return this._responseHeaders[header]; |
| }, _setResponseHeaders:function (allHeaders) { |
| if (allHeaders) { |
| this._allResponseHeaders = allHeaders; |
| allHeaders = allHeaders.replace(/\r/g, ""); |
| var nvPairs = allHeaders.split("\n"); |
| for (var i = 0; i < nvPairs.length; i++) { |
| if (nvPairs[i]) { |
| var nameValue = nvPairs[i].split(": "); |
| this._responseHeaders[nameValue[0]] = nameValue[1]; |
| } |
| } |
| } |
| }}); |
| |