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/*
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];
}
}
}
}});