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/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
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Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
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http://dojotoolkit.org/community/licensing.shtml |
*/ |
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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]; |
} |
} |
} |
}}); |
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