diff --git a/ajax/libs/atmosphere/2.0.0.RC4/atmosphere.js b/ajax/libs/atmosphere/2.0.0.RC4/atmosphere.js
new file mode 100644
index 000000000..3391b5309
--- /dev/null
+++ b/ajax/libs/atmosphere/2.0.0.RC4/atmosphere.js
@@ -0,0 +1,2855 @@
+/**
+ * Copyright 2012 Jeanfrancois Arcand
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * Highly inspired by Portal v1.0
+ * http://github.com/flowersinthesand/portal
+ *
+ * Copyright 2011-2013, Donghwan Kim
+ * Licensed under the Apache License, Version 2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
+ */
+/**
+ * Official documentation of this library: https://github.com/Atmosphere/atmosphere/wiki/jQuery.atmosphere.js-API
+ */
+(function() {
+
+ "use strict";
+
+ var version = "2.0.0-javascript",
+ atmosphere = {},
+ guid,
+ requests = [],
+ callbacks = [],
+ hasOwn = Object.prototype.hasOwnProperty;
+
+ atmosphere = {
+
+ onError: function(response) {},
+ onClose: function(response) {},
+ onOpen: function(response) {},
+ onReopen: function(response) {},
+ onMessage: function(response) {},
+ onReconnect: function(request, response) {},
+ onMessagePublished: function(response) {},
+ onTransportFailure: function(errorMessage, _request) {},
+ onLocalMessage: function(response) {},
+ onFailureToReconnect: function(request, response) {},
+
+ AtmosphereRequest: function(options) {
+
+ /**
+ * {Object} Request parameters.
+ *
+ * @private
+ */
+ var _request = {
+ timeout: 300000,
+ method: 'GET',
+ headers: {},
+ contentType: '',
+ callback: null,
+ url: '',
+ data: '',
+ suspend: true,
+ maxRequest: -1,
+ reconnect: true,
+ maxStreamingLength: 10000000,
+ lastIndex: 0,
+ logLevel: 'info',
+ requestCount: 0,
+ fallbackMethod: 'GET',
+ fallbackTransport: 'streaming',
+ transport: 'long-polling',
+ webSocketImpl: null,
+ webSocketBinaryType: null,
+ dispatchUrl: null,
+ webSocketPathDelimiter: "@@",
+ enableXDR: false,
+ rewriteURL: false,
+ attachHeadersAsQueryString: true,
+ executeCallbackBeforeReconnect: false,
+ readyState: 0,
+ lastTimestamp: 0,
+ withCredentials: false,
+ trackMessageLength: false,
+ messageDelimiter: '|',
+ connectTimeout: -1,
+ reconnectInterval: 0,
+ dropAtmosphereHeaders: true,
+ uuid: 0,
+ async: true,
+ shared: false,
+ readResponsesHeaders: false,
+ maxReconnectOnClose: 5,
+ enableProtocol: true,
+ onError: function(response) {},
+ onClose: function(response) {},
+ onOpen: function(response) {},
+ onMessage: function(response) {},
+ onReopen: function(request, response) {},
+ onReconnect: function(request, response) {},
+ onMessagePublished: function(response) {},
+ onTransportFailure: function(reason, request) {},
+ onLocalMessage: function(request) {},
+ onFailureToReconnect: function(request, response) {}
+ };
+
+ /**
+ * {Object} Request's last response.
+ *
+ * @private
+ */
+ var _response = {
+ status: 200,
+ reasonPhrase: "OK",
+ responseBody: '',
+ messages: [],
+ headers: [],
+ state: "messageReceived",
+ transport: "polling",
+ error: null,
+ request: null,
+ partialMessage: "",
+ errorHandled: false,
+ id: 0
+ };
+
+ /**
+ * {websocket} Opened web socket.
+ *
+ * @private
+ */
+ var _websocket = null;
+
+ /**
+ * {SSE} Opened SSE.
+ *
+ * @private
+ */
+ var _sse = null;
+
+ /**
+ * {XMLHttpRequest, ActiveXObject} Opened ajax request (in case of http-streaming or long-polling)
+ *
+ * @private
+ */
+ var _activeRequest = null;
+
+ /**
+ * {Object} Object use for streaming with IE.
+ *
+ * @private
+ */
+ var _ieStream = null;
+
+ /**
+ * {Object} Object use for jsonp transport.
+ *
+ * @private
+ */
+ var _jqxhr = null;
+
+ /**
+ * {boolean} If request has been subscribed or not.
+ *
+ * @private
+ */
+ var _subscribed = true;
+
+ /**
+ * {number} Number of test reconnection.
+ *
+ * @private
+ */
+ var _requestCount = 0;
+
+ /**
+ * {boolean} If request is currently aborded.
+ *
+ * @private
+ */
+ var _abordingConnection = false;
+
+ /**
+ * A local "channel' of communication.
+ *
+ * @private
+ */
+ var _localSocketF = null;
+
+ /**
+ * The storage used.
+ *
+ * @private
+ */
+ var _storageService;
+
+ /**
+ * Local communication
+ *
+ * @private
+ */
+ var _localStorageService = null;
+
+ /**
+ * A Unique ID
+ *
+ * @private
+ */
+ var guid = atmosphere.util.now();
+
+ /** Trace time */
+ var _traceTimer;
+
+ // Automatic call to subscribe
+ _subscribe(options);
+
+ /**
+ * Initialize atmosphere request object.
+ *
+ * @private
+ */
+ function _init() {
+ _subscribed = true;
+ _abordingConnection = false;
+ _requestCount = 0;
+
+ _websocket = null;
+ _sse = null;
+ _activeRequest = null;
+ _ieStream = null;
+ }
+
+ /**
+ * Re-initialize atmosphere object.
+ *
+ * @private
+ */
+ function _reinit() {
+ _clearState();
+ _init();
+ }
+
+ /**
+ *
+ * @private
+ */
+ function _verifyStreamingLength(ajaxRequest, rq) {
+ // Wait to be sure we have the full message before closing.
+ if (_response.partialMessage === "" && (rq.transport === 'streaming') && (ajaxRequest.responseText.length > rq.maxStreamingLength)) {
+ _response.messages = [];
+ _invokeClose(true);
+ _disconnect();
+ _clearState();
+ _reconnect(ajaxRequest, rq, 0);
+ }
+ }
+
+ /**
+ * Disconnect
+ *
+ * @private
+ */
+ function _disconnect() {
+ if (_request.enableProtocol && !_request.firstMessage) {
+ var query = "X-Atmosphere-Transport=close&X-Atmosphere-tracking-id=" + _request.uuid;
+ var url = _request.url.replace(/([?&])_=[^&]*/, query);
+ url = url + (url === _request.url ? (/\?/.test(_request.url) ? "&" : "?") + query : "");
+ _request.attachHeadersAsQueryString = false;
+ _request.dropAtmosphereHeaders = true;
+ _request.url = url;
+ _request.transport = 'polling';
+ _pushOnClose("", _request);
+ }
+ }
+
+ /**
+ * Close request.
+ *
+ * @private
+ */
+ function _close() {
+ _request.reconnect = false;
+ _abordingConnection = true;
+ _response.request = _request;
+ _response.state = 'unsubscribe';
+ _response.responseBody = "";
+ _response.status = 408;
+ _invokeCallback();
+ _disconnect();
+ _clearState();
+ }
+
+ function _clearState() {
+ if (_request.id) {
+ clearTimeout(_request.id);
+ }
+
+ if (_ieStream != null) {
+ _ieStream.close();
+ _ieStream = null;
+ }
+ if (_jqxhr != null) {
+ _jqxhr.abort();
+ _jqxhr = null;
+ }
+ if (_activeRequest != null) {
+ _activeRequest.abort();
+ _activeRequest = null;
+ }
+ if (_websocket != null) {
+ if (_websocket.webSocketOpened) {
+ _websocket.close();
+ }
+ _websocket = null;
+ }
+ if (_sse != null) {
+ _sse.close();
+ _sse = null;
+ }
+ _clearStorage();
+ }
+
+ function _clearStorage() {
+ // Stop sharing a connection
+ if (_storageService != null) {
+ // Clears trace timer
+ clearInterval(_traceTimer);
+ // Removes the trace
+ document.cookie = encodeURIComponent("atmosphere-" + _request.url) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT";
+ // The heir is the parent unless unloading
+ _storageService.signal("close", {
+ reason: "",
+ heir: !_abordingConnection ? guid : (_storageService.get("children") || [])[0]
+ });
+ _storageService.close();
+ }
+ if (_localStorageService != null) {
+ _localStorageService.close();
+ }
+ }
+
+ /**
+ * Subscribe request using request transport.
+ * If request is currently opened, this one will be closed.
+ *
+ * @param {Object} Request parameters.
+ * @private
+ */
+ function _subscribe(options) {
+ _reinit();
+
+ _request = atmosphere.util.extend(_request, options);
+ // Allow at least 1 request
+ _request.mrequest = _request.reconnect;
+ if (!_request.reconnect) {
+ _request.reconnect = true;
+ }
+ }
+
+ /**
+ * Check if web socket is supported (check for custom implementation provided by request object or browser implementation).
+ *
+ * @returns {boolean} True if web socket is supported, false otherwise.
+ * @private
+ */
+ function _supportWebsocket() {
+ return _request.webSocketImpl != null || window.WebSocket || window.MozWebSocket;
+ }
+
+ /**
+ * Check if server side events (SSE) is supported (check for custom implementation provided by request object or browser implementation).
+ *
+ * @returns {boolean} True if web socket is supported, false otherwise.
+ * @private
+ */
+ function _supportSSE() {
+ return window.EventSource;
+ }
+
+ /**
+ * Open request using request transport.
+ * If request transport is 'websocket' but websocket can't be opened, request will automatically reconnect using fallback transport.
+ *
+ * @private
+ */
+ function _execute() {
+ // Shared across multiple tabs/windows.
+ if (_request.shared) {
+ _localStorageService = _local(_request);
+ if (_localStorageService != null) {
+ if (_request.logLevel === 'debug') {
+ atmosphere.util.debug("Storage service available. All communication will be local");
+ }
+
+ if (_localStorageService.open(_request)) {
+ // Local connection.
+ return;
+ }
+ }
+
+ if (_request.logLevel === 'debug') {
+ atmosphere.util.debug("No Storage service available.");
+ }
+ // Wasn't local or an error occurred
+ _localStorageService = null;
+ }
+
+ // Protocol
+ _request.firstMessage = true;
+ _request.isOpen = false;
+ _request.ctime = atmosphere.util.now();
+
+ if (_request.transport !== 'websocket' && _request.transport !== 'sse') {
+ _executeRequest(_request);
+
+ } else if (_request.transport === 'websocket') {
+ if (!_supportWebsocket()) {
+ _reconnectWithFallbackTransport("Websocket is not supported, using request.fallbackTransport (" + _request.fallbackTransport
+ + ")");
+ } else {
+ _executeWebSocket(false);
+ }
+ } else if (_request.transport === 'sse') {
+ if (!_supportSSE()) {
+ _reconnectWithFallbackTransport("Server Side Events(SSE) is not supported, using request.fallbackTransport ("
+ + _request.fallbackTransport + ")");
+ } else {
+ _executeSSE(false);
+ }
+ }
+ }
+
+ function _local(request) {
+ var trace, connector, orphan, name = "atmosphere-" + request.url, connectors = {
+ storage: function() {
+ if (!atmosphere.util.supportStorage()) {
+ return;
+ }
+
+ var storage = window.localStorage, get = function(key) {
+ return atmosphere.util.parseJSON(storage.getItem(name + "-" + key));
+ }, set = function(key, value) {
+ storage.setItem(name + "-" + key, atmosphere.util.stringifyJSON(value));
+ };
+
+ return {
+ init: function() {
+ set("children", get("children").concat([guid]));
+ atmosphere.util.on("storage.socket", function(event) {
+ event = event.originalEvent;
+ if (event.key === name && event.newValue) {
+ listener(event.newValue);
+ }
+ });
+ return get("opened");
+ },
+ signal: function(type, data) {
+ storage.setItem(name, atmosphere.util.stringifyJSON({
+ target: "p",
+ type: type,
+ data: data
+ }));
+ },
+ close: function() {
+ var children = get("children");
+
+ atmosphere.util.off("storage.socket");
+ if (children) {
+ if (removeFromArray(children, request.id)) {
+ set("children", children);
+ }
+ }
+ }
+ };
+ },
+ windowref: function() {
+ var win = window.open("", name.replace(/\W/g, ""));
+
+ if (!win || win.closed || !win.callbacks) {
+ return;
+ }
+
+ return {
+ init: function() {
+ win.callbacks.push(listener);
+ win.children.push(guid);
+ return win.opened;
+ },
+ signal: function(type, data) {
+ if (!win.closed && win.fire) {
+ win.fire(atmosphere.util.stringifyJSON({
+ target: "p",
+ type: type,
+ data: data
+ }));
+ }
+ },
+ close: function() {
+ // Removes traces only if the parent is alive
+ if (!orphan) {
+ removeFromArray(win.callbacks, listener);
+ removeFromArray(win.children, guid);
+ }
+ }
+
+ };
+ }
+ };
+
+ function removeFromArray(array, val) {
+ var i, length = array.length;
+
+ for (i = 0; i < length; i++) {
+ if (array[i] === val) {
+ array.splice(i, 1);
+ }
+ }
+
+ return length !== array.length;
+ }
+
+ // Receives open, close and message command from the parent
+ function listener(string) {
+ var command = atmosphere.util.parseJSON(string), data = command.data;
+
+ if (command.target === "c") {
+ switch (command.type) {
+ case "open":
+ _open("opening", 'local', _request);
+ break;
+ case "close":
+ if (!orphan) {
+ orphan = true;
+ if (data.reason === "aborted") {
+ _close();
+ } else {
+ // Gives the heir some time to reconnect
+ if (data.heir === guid) {
+ _execute();
+ } else {
+ setTimeout(function() {
+ _execute();
+ }, 100);
+ }
+ }
+ }
+ break;
+ case "message":
+ _prepareCallback(data, "messageReceived", 200, request.transport);
+ break;
+ case "localMessage":
+ _localMessage(data);
+ break;
+ }
+ }
+ }
+
+ function findTrace() {
+ var matcher = new RegExp("(?:^|; )(" + encodeURIComponent(name) + ")=([^;]*)").exec(document.cookie);
+ if (matcher) {
+ return atmosphere.util.parseJSON(decodeURIComponent(matcher[2]));
+ }
+ }
+
+ // Finds and validates the parent socket's trace from the cookie
+ trace = findTrace();
+ if (!trace || atmosphere.util.now() - trace.ts > 1000) {
+ return;
+ }
+
+ // Chooses a connector
+ connector = connectors.storage() || connectors.windowref();
+ if (!connector) {
+ return;
+ }
+
+ return {
+ open: function() {
+ var parentOpened;
+
+ // Checks the shared one is alive
+ _traceTimer = setInterval(function() {
+ var oldTrace = trace;
+ trace = findTrace();
+ if (!trace || oldTrace.ts === trace.ts) {
+ // Simulates a close signal
+ listener(atmosphere.util.stringifyJSON({
+ target: "c",
+ type: "close",
+ data: {
+ reason: "error",
+ heir: oldTrace.heir
+ }
+ }));
+ }
+ }, 1000);
+
+ parentOpened = connector.init();
+ if (parentOpened) {
+ // Firing the open event without delay robs the user of the opportunity to bind connecting event handlers
+ setTimeout(function() {
+ _open("opening", 'local', request);
+ }, 50);
+ }
+ return parentOpened;
+ },
+ send: function(event) {
+ connector.signal("send", event);
+ },
+ localSend: function(event) {
+ connector.signal("localSend", atmosphere.util.stringifyJSON({
+ id: guid,
+ event: event
+ }));
+ },
+ close: function() {
+ // Do not signal the parent if this method is executed by the unload event handler
+ if (!_abordingConnection) {
+ clearInterval(_traceTimer);
+ connector.signal("close");
+ connector.close();
+ }
+ }
+ };
+ }
+
+ function share() {
+ var storageService, name = "atmosphere-" + _request.url, servers = {
+ // Powered by the storage event and the localStorage
+ // http://www.w3.org/TR/webstorage/#event-storage
+ storage: function() {
+ if (!atmosphere.util.supportStorage()) {
+ return;
+ }
+
+ var storage = window.localStorage;
+
+ return {
+ init: function() {
+ // Handles the storage event
+ atmosphere.util.on("storage.socket", function(event) {
+ event = event.originalEvent;
+ // When a deletion, newValue initialized to null
+ if (event.key === name && event.newValue) {
+ listener(event.newValue);
+ }
+ });
+ },
+ signal: function(type, data) {
+ storage.setItem(name, atmosphere.util.stringifyJSON({
+ target: "c",
+ type: type,
+ data: data
+ }));
+ },
+ get: function(key) {
+ return atmosphere.util.parseJSON(storage.getItem(name + "-" + key));
+ },
+ set: function(key, value) {
+ storage.setItem(name + "-" + key, atmosphere.util.stringifyJSON(value));
+ },
+ close: function() {
+ atmosphere.util.off("storage.socket");
+ storage.removeItem(name);
+ storage.removeItem(name + "-opened");
+ storage.removeItem(name + "-children");
+ }
+
+ };
+ },
+ // Powered by the window.open method
+ // https://developer.mozilla.org/en/DOM/window.open
+ windowref: function() {
+ // Internet Explorer raises an invalid argument error
+ // when calling the window.open method with the name containing non-word characters
+ var neim = name.replace(/\W/g, ""), container = document.getElementById(neim), win;
+
+ if (!container) {
+ container = document.createElement("div");
+ container.id = neim;
+ container.style.display = "none";
+ container.innerHTML = '';
+ document.body.appendChild(container);
+ }
+
+ win = container.firstChild.contentWindow;
+
+ return {
+ init: function() {
+ // Callbacks from different windows
+ win.callbacks = [listener];
+ // In IE 8 and less, only string argument can be safely passed to the function in other window
+ win.fire = function(string) {
+ var i;
+
+ for (i = 0; i < win.callbacks.length; i++) {
+ win.callbacks[i](string);
+ }
+ };
+ },
+ signal: function(type, data) {
+ if (!win.closed && win.fire) {
+ win.fire(atmosphere.util.stringifyJSON({
+ target: "c",
+ type: type,
+ data: data
+ }));
+ }
+ },
+ get: function(key) {
+ return !win.closed ? win[key] : null;
+ },
+ set: function(key, value) {
+ if (!win.closed) {
+ win[key] = value;
+ }
+ },
+ close: function() {}
+ };
+ }
+ };
+
+ // Receives send and close command from the children
+ function listener(string) {
+ var command = atmosphere.util.parseJSON(string), data = command.data;
+
+ if (command.target === "p") {
+ switch (command.type) {
+ case "send":
+ _push(data);
+ break;
+ case "localSend":
+ _localMessage(data);
+ break;
+ case "close":
+ _close();
+ break;
+ }
+ }
+ }
+
+ _localSocketF = function propagateMessageEvent(context) {
+ storageService.signal("message", context);
+ };
+
+ function leaveTrace() {
+ document.cookie = encodeURIComponent(name) + "=" +
+ // Opera's JSON implementation ignores a number whose a last digit of 0 strangely
+ // but has no problem with a number whose a last digit of 9 + 1
+ encodeURIComponent(atmosphere.util.stringifyJSON({
+ ts: atmosphere.util.now() + 1,
+ heir: (storageService.get("children") || [])[0]
+ }));
+ }
+
+ // Chooses a storageService
+ storageService = servers.storage() || servers.windowref();
+ storageService.init();
+
+ if (_request.logLevel === 'debug') {
+ atmosphere.util.debug("Installed StorageService " + storageService);
+ }
+
+ // List of children sockets
+ storageService.set("children", []);
+
+ if (storageService.get("opened") != null && !storageService.get("opened")) {
+ // Flag indicating the parent socket is opened
+ storageService.set("opened", false);
+ }
+ // Leaves traces
+ leaveTrace();
+ _traceTimer = setInterval(leaveTrace, 1000);
+
+ _storageService = storageService;
+ }
+
+ /**
+ * @private
+ */
+ function _open(state, transport, request) {
+ if (_request.shared && transport !== 'local') {
+ share();
+ }
+
+ if (_storageService != null) {
+ _storageService.set("opened", true);
+ }
+
+ request.close = function() {
+ _close();
+ };
+
+ if (_requestCount > 0 && state === 're-connecting') {
+ request.isReopen = true;
+ _tryingToReconnect(_response);
+ } else if (_response.error == null) {
+ _response.request = request;
+ var prevState = _response.state;
+ _response.state = state;
+ var prevTransport = _response.transport;
+ _response.transport = transport;
+
+ var _body = _response.responseBody;
+ _invokeCallback();
+ _response.responseBody = _body;
+
+ _response.state = prevState;
+ _response.transport = prevTransport;
+ }
+ }
+
+ /**
+ * Execute request using jsonp transport.
+ *
+ * @param request {Object} request Request parameters, if undefined _request object will be used.
+ * @private
+ */
+ function _jsonp(request) {
+ // When CORS is enabled, make sure we force the proper transport.
+ request.transport = "jsonp";
+
+ var rq = _request, script;
+ if ((request != null) && (typeof (request) !== 'undefined')) {
+ rq = request;
+ }
+
+ _jqxhr = {
+ open: function() {
+ var callback = "atmosphere" + (++guid);
+
+ function poll() {
+ var url = rq.url;
+ if (rq.dispatchUrl != null) {
+ url += rq.dispatchUrl;
+ }
+
+ var data = rq.data;
+ if (rq.attachHeadersAsQueryString) {
+ url = _attachHeaders(rq);
+ if (data !== '') {
+ url += "&X-Atmosphere-Post-Body=" + encodeURIComponent(data);
+ }
+ data = '';
+ }
+
+ var head = document.head || document.getElementsByTagName("head")[0] || document.documentElement;
+
+ script = document.createElement("script");
+ script.src = url + "&jsonpTransport=" + callback;
+ script.clean = function() {
+ script.clean = script.onerror = script.onload = script.onreadystatechange = null;
+ if (script.parentNode) {
+ script.parentNode.removeChild(script);
+ }
+ };
+ script.onload = script.onreadystatechange = function() {
+ if (!script.readyState || /loaded|complete/.test(script.readyState)) {
+ script.clean();
+ }
+ };
+ script.onerror = function() {
+ script.clean();
+ _onError(0, "maxReconnectOnClose reached");
+ };
+
+ head.insertBefore(script, head.firstChild);
+ }
+
+ // Attaches callback
+ window[callback] = function(msg) {
+ if (rq.reconnect) {
+ if (rq.maxRequest === -1 || rq.requestCount++ < rq.maxRequest) {
+ // _readHeaders(_jqxhr, rq);
+
+ if (!rq.executeCallbackBeforeReconnect) {
+ _reconnect(_jqxhr, rq, 0);
+ }
+
+ if (msg != null && typeof msg !== 'string') {
+ try {
+ msg = msg.message;
+ } catch (err) {
+ // The message was partial
+ }
+ }
+
+ var skipCallbackInvocation = _trackMessageSize(msg, rq, _response);
+ if (!skipCallbackInvocation) {
+ _prepareCallback(_response.responseBody, "messageReceived", 200, rq.transport);
+ }
+
+ if (rq.executeCallbackBeforeReconnect) {
+ _reconnect(_jqxhr, rq, 0);
+ }
+ } else {
+ atmosphere.util.log(_request.logLevel, ["JSONP reconnect maximum try reached " + _request.requestCount]);
+ _onError(0, "maxRequest reached");
+ }
+ }
+ };
+ setTimeout(function() {
+ poll();
+ }, 50);
+ },
+ abort: function() {
+ if (script.clean) {
+ script.clean();
+ }
+ }
+ };
+
+ _jqxhr.open();
+ }
+
+ /**
+ * Build websocket object.
+ *
+ * @param location {string} Web socket url.
+ * @returns {websocket} Web socket object.
+ * @private
+ */
+ function _getWebSocket(location) {
+ if (_request.webSocketImpl != null) {
+ return _request.webSocketImpl;
+ } else {
+ if (window.WebSocket) {
+ return new WebSocket(location);
+ } else {
+ return new MozWebSocket(location);
+ }
+ }
+ }
+
+ /**
+ * Build web socket url from request url.
+ *
+ * @return {string} Web socket url (start with "ws" or "wss" for secure web socket).
+ * @private
+ */
+ function _buildWebSocketUrl() {
+ return atmosphere.util.getAbsoluteURL(_attachHeaders(_request)).replace(/^http/, "ws");
+ }
+
+ /**
+ * Build SSE url from request url.
+ *
+ * @return a url with Atmosphere's headers
+ * @private
+ */
+ function _buildSSEUrl() {
+ var url = _attachHeaders(_request);
+ return url;
+ }
+
+ /**
+ * Open SSE.
+ * Automatically use fallback transport if SSE can't be opened.
+ *
+ * @private
+ */
+ function _executeSSE(sseOpened) {
+
+ _response.transport = "sse";
+
+ var location = _buildSSEUrl(_request.url);
+
+ if (_request.logLevel === 'debug') {
+ atmosphere.util.debug("Invoking executeSSE");
+ atmosphere.util.debug("Using URL: " + location);
+ }
+
+ if (_request.enableProtocol && sseOpened) {
+ var time = atmosphere.util.now() - _request.ctime;
+ _request.lastTimestamp = Number(_request.stime) + Number(time);
+ }
+
+ if (sseOpened && !_request.reconnect) {
+ if (_sse != null) {
+ _clearState();
+ }
+ return;
+ }
+
+ try {
+ _sse = new EventSource(location, {
+ withCredentials: _request.withCredentials
+ });
+ } catch (e) {
+ _onError(0, e);
+ _reconnectWithFallbackTransport("SSE failed. Downgrading to fallback transport and resending");
+ return;
+ }
+
+ if (_request.connectTimeout > 0) {
+ _request.id = setTimeout(function() {
+ if (!sseOpened) {
+ _clearState();
+ }
+ }, _request.connectTimeout);
+ }
+
+ _sse.onopen = function(event) {
+ _timeout(_request);
+ if (_request.logLevel === 'debug') {
+ atmosphere.util.debug("SSE successfully opened");
+ }
+
+ if (!_request.enableProtocol) {
+ if (!sseOpened) {
+ _open('opening', "sse", _request);
+ } else {
+ _open('re-opening', "sse", _request);
+ }
+ }
+ sseOpened = true;
+
+ if (_request.method === 'POST') {
+ _response.state = "messageReceived";
+ _sse.send(_request.data);
+ }
+ };
+
+ _sse.onmessage = function(message) {
+ _timeout(_request);
+
+ if (!_request.enableXDR && message.origin && message.origin !== window.location.protocol + "//" + window.location.host) {
+ atmosphere.util.log(_request.logLevel, ["Origin was not " + window.location.protocol + "//" + window.location.host]);
+ return;
+ }
+
+ _response.state = 'messageReceived';
+ _response.status = 200;
+
+ message = message.data;
+ var skipCallbackInvocation = _trackMessageSize(message, _request, _response);
+
+ // https://github.com/remy/polyfills/blob/master/EventSource.js
+ // Since we polling.
+ if (_sse.URL) {
+ _sse.interval = 100;
+ _sse.URL = _buildSSEUrl(_request.url);
+ }
+
+ if (!skipCallbackInvocation) {
+ _invokeCallback();
+ _response.responseBody = '';
+ _response.messages = [];
+ }
+ };
+
+ _sse.onerror = function(message) {
+ clearTimeout(_request.id);
+ _invokeClose(sseOpened);
+ _clearState();
+
+ if (_abordingConnection) {
+ atmosphere.util.log(_request.logLevel, ["SSE closed normally"]);
+ } else if (!sseOpened) {
+ _reconnectWithFallbackTransport("SSE failed. Downgrading to fallback transport and resending");
+ } else if (_request.reconnect && (_response.transport === 'sse')) {
+ if (_requestCount++ < _request.maxReconnectOnClose) {
+ _open('re-connecting', _request.transport, _request);
+ _request.id = setTimeout(function() {
+ _executeSSE(true);
+ }, _request.reconnectInterval);
+ _response.responseBody = "";
+ _response.messages = [];
+ } else {
+ atmosphere.util.log(_request.logLevel, ["SSE reconnect maximum try reached " + _requestCount]);
+ _onError(0, "maxReconnectOnClose reached");
+ }
+ }
+ };
+ }
+
+ /**
+ * Open web socket.
+ * Automatically use fallback transport if web socket can't be opened.
+ *
+ * @private
+ */
+ function _executeWebSocket(webSocketOpened) {
+
+ _response.transport = "websocket";
+
+ if (_request.enableProtocol && webSocketOpened) {
+ var time = atmosphere.util.now() - _request.ctime;
+ _request.lastTimestamp = Number(_request.stime) + Number(time);
+ }
+
+ var location = _buildWebSocketUrl(_request.url);
+ if (_request.logLevel === 'debug') {
+ atmosphere.util.debug("Invoking executeWebSocket");
+ atmosphere.util.debug("Using URL: " + location);
+ }
+
+ if (webSocketOpened && !_request.reconnect) {
+ if (_websocket != null) {
+ _clearState();
+ }
+ return;
+ }
+
+ _websocket = _getWebSocket(location);
+ if (_request.webSocketBinaryType != null) {
+ _websocket.binaryType = _request.webSocketBinaryType;
+ }
+
+ if (_request.connectTimeout > 0) {
+ _request.id = setTimeout(function() {
+ if (!webSocketOpened) {
+ var _message = {
+ code: 1002,
+ reason: "",
+ wasClean: false
+ };
+ _websocket.onclose(_message);
+ // Close it anyway
+ try {
+ _clearState();
+ } catch (e) {}
+ return;
+ }
+
+ }, _request.connectTimeout);
+ }
+
+ _websocket.onopen = function(message) {
+ _timeout(_request);
+
+ if (_request.logLevel === 'debug') {
+ atmosphere.util.debug("Websocket successfully opened");
+ }
+
+ if (!_request.enableProtocol) {
+ if (!webSocketOpened) {
+ _open('opening', "websocket", _request);
+ } else {
+ _open('re-opening', "websocket", _request);
+ }
+ }
+
+ webSocketOpened = true;
+ _websocket.webSocketOpened = webSocketOpened;
+
+ if (_request.method === 'POST') {
+ _response.state = "messageReceived";
+ _websocket.send(_request.data);
+ }
+ };
+
+ _websocket.onmessage = function(message) {
+ _timeout(_request);
+
+ _response.state = 'messageReceived';
+ _response.status = 200;
+
+ message = message.data;
+ var isString = typeof (message) === 'string';
+ if (isString) {
+ var skipCallbackInvocation = _trackMessageSize(message, _request, _response);
+ if (!skipCallbackInvocation) {
+ _invokeCallback();
+ _response.responseBody = '';
+ _response.messages = [];
+ }
+ } else {
+ if (!_handleProtocol(_request, message))
+ return;
+
+ _response.responseBody = message;
+ _invokeCallback();
+ _response.responseBody = null;
+ }
+ };
+
+ _websocket.onerror = function(message) {
+ clearTimeout(_request.id);
+ };
+
+ _websocket.onclose = function(message) {
+ clearTimeout(_request.id);
+ if (_response.state === 'closed')
+ return;
+
+ var reason = message.reason;
+ if (reason === "") {
+ switch (message.code) {
+ case 1000:
+ reason = "Normal closure; the connection successfully completed whatever purpose for which " + "it was created.";
+ break;
+ case 1001:
+ reason = "The endpoint is going away, either because of a server failure or because the "
+ + "browser is navigating away from the page that opened the connection.";
+ break;
+ case 1002:
+ reason = "The endpoint is terminating the connection due to a protocol error.";
+ break;
+ case 1003:
+ reason = "The connection is being terminated because the endpoint received data of a type it "
+ + "cannot accept (for example, a text-only endpoint received binary data).";
+ break;
+ case 1004:
+ reason = "The endpoint is terminating the connection because a data frame was received that " + "is too large.";
+ break;
+ case 1005:
+ reason = "Unknown: no status code was provided even though one was expected.";
+ break;
+ case 1006:
+ reason = "Connection was closed abnormally (that is, with no close frame being sent).";
+ break;
+ }
+ }
+
+ atmosphere.util.warn("Websocket closed, reason: " + reason);
+ atmosphere.util.warn("Websocket closed, wasClean: " + message.wasClean);
+
+ _invokeClose(webSocketOpened);
+
+ _response.state = 'closed';
+
+ if (_abordingConnection) {
+ atmosphere.util.log(_request.logLevel, ["Websocket closed normally"]);
+ } else if (!webSocketOpened) {
+ _reconnectWithFallbackTransport("Websocket failed. Downgrading to Comet and resending");
+
+ } else if (_request.reconnect && _response.transport === 'websocket') {
+ _clearState();
+ if (_requestCount++ < _request.maxReconnectOnClose) {
+ _open('re-connecting', _request.transport, _request);
+ _request.id = setTimeout(function() {
+ _response.responseBody = "";
+ _response.messages = [];
+ _executeWebSocket(true);
+ }, _request.reconnectInterval);
+ } else {
+ atmosphere.util.log(_request.logLevel, ["Websocket reconnect maximum try reached " + _request.requestCount]);
+ atmosphere.util.warn("Websocket error, reason: " + message.reason);
+ _onError(0, "maxReconnectOnClose reached");
+ }
+ }
+ };
+
+ if (_websocket.url === undefined) {
+ // Android 4.1 does not really support websockets and fails silently
+ _websocket.onclose({
+ reason: "Android 4.1 does not support websockets.",
+ wasClean: false
+ });
+ }
+ }
+
+ function _handleProtocol(request, message) {
+ // The first messages is always the uuid.
+ var b = true;
+ if (atmosphere.util.trim(message) !== 0 && request.enableProtocol && request.firstMessage) {
+ request.firstMessage = false;
+ var messages = message.split(request.messageDelimiter);
+ var pos = messages.length === 2 ? 0 : 1;
+ request.uuid = atmosphere.util.trim(messages[pos]);
+ request.stime = atmosphere.util.trim(messages[pos + 1]);
+ b = false;
+ if (request.transport !== 'long-polling') {
+ _triggerOpen(request);
+ }
+ } else {
+ _triggerOpen(request);
+ }
+ return b;
+ }
+
+ function _timeout(_request) {
+ clearTimeout(_request.id);
+ if (_request.timeout > 0 &&_request.transport !== 'polling') {
+ _request.id = setTimeout(function() {
+ _invokeClose(true);
+ _clearState();
+ _disconnect();
+ }, _request.timeout);
+ }
+ }
+
+ function _onError(code, reason) {
+ _clearState();
+ clearTimeout(_request.id);
+ _response.state = 'error';
+ _response.reasonPhrase = reason;
+ _response.responseBody = "";
+ _response.status = code;
+ _response.messages = [];
+ _invokeCallback();
+ }
+
+ /**
+ * Track received message and make sure callbacks/functions are only invoked when the complete message has been received.
+ *
+ * @param message
+ * @param request
+ * @param response
+ */
+ function _trackMessageSize(message, request, response) {
+ if (!_handleProtocol(_request, message))
+ return true;
+ if (message.length === 0)
+ return true;
+
+ if (request.trackMessageLength) {
+ // prepend partialMessage if any
+ message = response.partialMessage + message;
+
+ var messages = [];
+ var messageStart = message.indexOf(request.messageDelimiter);
+ while (messageStart !== -1) {
+ var str = atmosphere.util.trim(message.substring(0, messageStart));
+ var messageLength = +str;
+ if (isNaN(messageLength))
+ throw new Error('message length "' + str + '" is not a number');
+ messageStart += request.messageDelimiter.length;
+ if (messageStart + messageLength > message.length) {
+ // message not complete, so there is no trailing messageDelimiter
+ messageStart = -1;
+ } else {
+ // message complete, so add it
+ messages.push(message.substring(messageStart, messageStart + messageLength));
+ // remove consumed characters
+ message = message.substring(messageStart + messageLength, message.length);
+ messageStart = message.indexOf(request.messageDelimiter);
+ }
+ }
+
+ /* keep any remaining data */
+ response.partialMessage = message;
+
+ if (messages.length !== 0) {
+ response.responseBody = messages.join(request.messageDelimiter);
+ response.messages = messages;
+ return false;
+ } else {
+ response.responseBody = "";
+ response.messages = [];
+ return true;
+ }
+ } else {
+ response.responseBody = message;
+ }
+ return false;
+ }
+
+ /**
+ * Reconnect request with fallback transport.
+ * Used in case websocket can't be opened.
+ *
+ * @private
+ */
+ function _reconnectWithFallbackTransport(errorMessage) {
+ atmosphere.util.log(_request.logLevel, [errorMessage]);
+
+ if (typeof (_request.onTransportFailure) !== 'undefined') {
+ _request.onTransportFailure(errorMessage, _request);
+ } else if (typeof (atmosphere.util.onTransportFailure) !== 'undefined') {
+ atmosphere.util.onTransportFailure(errorMessage, _request);
+ }
+
+ _request.transport = _request.fallbackTransport;
+ var reconnectInterval = _request.connectTimeout === -1 ? 0 : _request.connectTimeout;
+ if (_request.reconnect && _request.transport !== 'none' || _request.transport == null) {
+ _request.method = _request.fallbackMethod;
+ _response.transport = _request.fallbackTransport;
+ _request.fallbackTransport = 'none';
+ _request.id = setTimeout(function() {
+ _execute();
+ }, reconnectInterval);
+ } else {
+ _onError(500, "Unable to reconnect with fallback transport");
+ }
+ }
+
+ /**
+ * Get url from request and attach headers to it.
+ *
+ * @param request {Object} request Request parameters, if undefined _request object will be used.
+ *
+ * @returns {Object} Request object, if undefined, _request object will be used.
+ * @private
+ */
+ function _attachHeaders(request, url) {
+ var rq = _request;
+ if ((request != null) && (typeof (request) !== 'undefined')) {
+ rq = request;
+ }
+
+ if (url == null) {
+ url = rq.url;
+ }
+
+ // If not enabled
+ if (!rq.attachHeadersAsQueryString)
+ return url;
+
+ // If already added
+ if (url.indexOf("X-Atmosphere-Framework") !== -1) {
+ return url;
+ }
+
+ url += (url.indexOf('?') !== -1) ? '&' : '?';
+ url += "X-Atmosphere-tracking-id=" + rq.uuid;
+ url += "&X-Atmosphere-Framework=" + version;
+ url += "&X-Atmosphere-Transport=" + rq.transport;
+
+ if (rq.trackMessageLength) {
+ url += "&X-Atmosphere-TrackMessageSize=" + "true";
+ }
+
+ if (rq.lastTimestamp != null) {
+ url += "&X-Cache-Date=" + rq.lastTimestamp;
+ } else {
+ url += "&X-Cache-Date=" + 0;
+ }
+
+ if (rq.contentType !== '') {
+ url += "&Content-Type=" + rq.contentType;
+ }
+
+ if (rq.enableProtocol) {
+ url += "&X-atmo-protocol=true";
+ }
+
+ atmosphere.util.each(rq.headers, function(name, value) {
+ var h = atmosphere.util.isFunction(value) ? value.call(this, rq, request, _response) : value;
+ if (h != null) {
+ url += "&" + encodeURIComponent(name) + "=" + encodeURIComponent(h);
+ }
+ });
+
+ return url;
+ }
+
+ function _triggerOpen(rq) {
+ if (!rq.isOpen) {
+ rq.isOpen = true;
+ _open('opening', rq.transport, rq);
+ } else if (rq.isReopen) {
+ rq.isReopen = false;
+ _open('re-opening', rq.transport, rq);
+ }
+ }
+
+ /**
+ * Execute ajax request.
+ *
+ * @param request {Object} request Request parameters, if undefined _request object will be used.
+ * @private
+ */
+ function _executeRequest(request) {
+ var rq = _request;
+ if ((request != null) || (typeof (request) !== 'undefined')) {
+ rq = request;
+ }
+
+ rq.lastIndex = 0;
+ rq.readyState = 0;
+
+ // CORS fake using JSONP
+ if ((rq.transport === 'jsonp') || ((rq.enableXDR) && (atmosphere.util.checkCORSSupport()))) {
+ _jsonp(rq);
+ return;
+ }
+
+ if (atmosphere.util.browser.msie && atmosphere.util.browser.version < 10) {
+ if ((rq.transport === 'streaming')) {
+ if (rq.enableXDR && window.XDomainRequest) {
+ _ieXDR(rq);
+ } else {
+ _ieStreaming(rq);
+ }
+ return;
+ }
+
+ if ((rq.enableXDR) && (window.XDomainRequest)) {
+ _ieXDR(rq);
+ return;
+ }
+ }
+
+ var reconnectF = function() {
+ rq.lastIndex = 0;
+ if (rq.reconnect && _requestCount++ < rq.maxReconnectOnClose) {
+ _open('re-connecting', request.transport, request);
+ _reconnect(ajaxRequest, rq, request.reconnectInterval);
+ } else {
+ _onError(0, "maxReconnectOnClose reached");
+ }
+ };
+
+ if (rq.force || (rq.reconnect && (rq.maxRequest === -1 || rq.requestCount++ < rq.maxRequest))) {
+ rq.force = false;
+
+ var ajaxRequest = atmosphere.util.xhr();
+ ajaxRequest.hasData = false;
+
+ _doRequest(ajaxRequest, rq, true);
+
+ if (rq.suspend) {
+ _activeRequest = ajaxRequest;
+ }
+
+ if (rq.transport !== 'polling') {
+ _response.transport = rq.transport;
+
+ ajaxRequest.onabort = function() {
+ _invokeClose(true);
+ };
+
+ ajaxRequest.onerror = function() {
+ _response.error = true;
+ try {
+ _response.status = XMLHttpRequest.status;
+ } catch (e) {
+ _response.status = 500;
+ }
+
+ if (!_response.status) {
+ _response.status = 500;
+ }
+ _clearState();
+ if (!_response.errorHandled) {
+ reconnectF();
+ }
+ };
+ }
+
+ ajaxRequest.onreadystatechange = function() {
+ if (_abordingConnection) {
+ return;
+ }
+
+ _response.error = null;
+ var skipCallbackInvocation = false;
+ var update = false;
+
+ // Opera doesn't call onerror if the server disconnect.
+ if (atmosphere.util.browser.opera && rq.transport === 'streaming' && rq.readyState > 2 && ajaxRequest.readyState === 4) {
+
+ _clearState();
+ reconnectF();
+ return;
+ }
+
+ rq.readyState = ajaxRequest.readyState;
+
+ if (rq.transport === 'streaming' && ajaxRequest.readyState >= 3) {
+ update = true;
+ } else if (rq.transport === 'long-polling' && ajaxRequest.readyState === 4) {
+ update = true;
+ }
+ _timeout(_request);
+
+ if ((!rq.enableProtocol || !request.firstMessage) && rq.transport !== 'polling' && ajaxRequest.readyState === 2) {
+ _triggerOpen(rq);
+ }
+
+ if (update) {
+
+ // MSIE 9 and lower status can be higher than 1000, Chrome can be 0
+ var status = 0;
+ if (ajaxRequest.readyState !== 0) {
+ status = ajaxRequest.status > 1000 ? 0 : ajaxRequest.status;
+ }
+
+ if (status >= 300 || status === 0) {
+ // Prevent onerror callback to be called
+ _response.errorHandled = true;
+ _clearState();
+ reconnectF();
+ return;
+ }
+ var responseText = ajaxRequest.responseText;
+
+ if (atmosphere.util.trim(responseText).length === 0 && rq.transport === 'long-polling') {
+ // For browser that aren't support onabort
+ if (!ajaxRequest.hasData) {
+ reconnectF();
+ } else {
+ ajaxRequest.hasData = false;
+ }
+ return;
+ }
+ ajaxRequest.hasData = true;
+
+ _readHeaders(ajaxRequest, _request);
+
+ if (rq.transport === 'streaming') {
+ if (!atmosphere.util.browser.opera) {
+ var message = responseText.substring(rq.lastIndex, responseText.length);
+ skipCallbackInvocation = _trackMessageSize(message, rq, _response);
+
+ rq.lastIndex = responseText.length;
+ if (skipCallbackInvocation) {
+ return;
+ }
+ } else {
+ atmosphere.util.iterate(function() {
+ if (_response.status !== 500 && ajaxRequest.responseText.length > rq.lastIndex) {
+ try {
+ _response.status = ajaxRequest.status;
+ _response.headers = atmosphere.util.parseHeaders(ajaxRequest.getAllResponseHeaders());
+
+ _readHeaders(ajaxRequest, _request);
+
+ } catch (e) {
+ _response.status = 404;
+ }
+ _timeout(_request);
+
+ _response.state = "messageReceived";
+ var message = ajaxRequest.responseText.substring(rq.lastIndex);
+ rq.lastIndex = ajaxRequest.responseText.length;
+
+ skipCallbackInvocation = _trackMessageSize(message, rq, _response);
+ if (!skipCallbackInvocation) {
+ _invokeCallback();
+ }
+
+ _verifyStreamingLength(ajaxRequest, rq);
+ } else if (_response.status > 400) {
+ // Prevent replaying the last message.
+ rq.lastIndex = ajaxRequest.responseText.length;
+ return false;
+ }
+ }, 0);
+ }
+ } else {
+ skipCallbackInvocation = _trackMessageSize(responseText, rq, _response);
+ }
+
+ try {
+ _response.status = ajaxRequest.status;
+ _response.headers = atmosphere.util.parseHeaders(ajaxRequest.getAllResponseHeaders());
+
+ _readHeaders(ajaxRequest, rq);
+ } catch (e) {
+ _response.status = 404;
+ }
+
+ if (rq.suspend) {
+ _response.state = _response.status === 0 ? "closed" : "messageReceived";
+ } else {
+ _response.state = "messagePublished";
+ }
+
+ var isAllowedToReconnect = request.transport !== 'streaming';
+ if (isAllowedToReconnect && !rq.executeCallbackBeforeReconnect) {
+ _reconnect(ajaxRequest, rq, 0);
+ }
+
+ if (_response.responseBody.length !== 0 && !skipCallbackInvocation)
+ _invokeCallback();
+
+ if (isAllowedToReconnect && rq.executeCallbackBeforeReconnect) {
+ _reconnect(ajaxRequest, rq, 0);
+ }
+
+ _verifyStreamingLength(ajaxRequest, rq);
+ }
+ };
+
+ try {
+ ajaxRequest.send(rq.data);
+ _subscribed = true;
+ } catch (e) {
+ atmosphere.util.log(rq.logLevel, ["Unable to connect to " + rq.url]);
+ }
+
+ } else {
+ if (rq.logLevel === 'debug') {
+ atmosphere.util.log(rq.logLevel, ["Max re-connection reached."]);
+ }
+ _onError(0, "maxRequest reached");
+ }
+ }
+
+ /**
+ * Do ajax request.
+ *
+ * @param ajaxRequest Ajax request.
+ * @param request Request parameters.
+ * @param create If ajax request has to be open.
+ */
+ function _doRequest(ajaxRequest, request, create) {
+ // Prevent Android to cache request
+ var url = request.url;
+ if (request.dispatchUrl != null && request.method === 'POST') {
+ url += request.dispatchUrl;
+ }
+ url = _attachHeaders(request, url);
+ url = atmosphere.util.prepareURL(url);
+
+ if (create) {
+ ajaxRequest.open(request.method, url, request.async);
+ if (request.connectTimeout > -1) {
+ request.id = setTimeout(function() {
+ if (request.requestCount === 0) {
+ _clearState();
+ _prepareCallback("Connect timeout", "closed", 200, request.transport);
+ }
+ }, request.connectTimeout);
+ }
+ }
+
+ if (_request.withCredentials) {
+ if ("withCredentials" in ajaxRequest) {
+ ajaxRequest.withCredentials = true;
+ }
+ }
+
+ if (!_request.dropAtmosphereHeaders) {
+ ajaxRequest.setRequestHeader("X-Atmosphere-Framework", atmosphere.util.version);
+ ajaxRequest.setRequestHeader("X-Atmosphere-Transport", request.transport);
+ if (request.lastTimestamp != null) {
+ ajaxRequest.setRequestHeader("X-Cache-Date", request.lastTimestamp);
+ } else {
+ ajaxRequest.setRequestHeader("X-Cache-Date", 0);
+ }
+
+ if (request.trackMessageLength) {
+ ajaxRequest.setRequestHeader("X-Atmosphere-TrackMessageSize", "true");
+ }
+ ajaxRequest.setRequestHeader("X-Atmosphere-tracking-id", request.uuid);
+ }
+
+ if (request.contentType !== '') {
+ ajaxRequest.setRequestHeader("Content-Type", request.contentType);
+ }
+
+ atmosphere.util.each(request.headers, function(name, value) {
+ var h = atmosphere.util.isFunction(value) ? value.call(this, ajaxRequest, request, create, _response) : value;
+ if (h != null) {
+ ajaxRequest.setRequestHeader(name, h);
+ }
+ });
+ }
+
+ function _reconnect(ajaxRequest, request, reconnectInterval) {
+ if (request.reconnect || (request.suspend && _subscribed)) {
+ var status = 0;
+ if (ajaxRequest && ajaxRequest.readyState !== 0) {
+ status = ajaxRequest.status > 1000 ? 0 : ajaxRequest.status;
+ }
+ _response.status = status === 0 ? 204 : status;
+ _response.reason = status === 0 ? "Server resumed the connection or down." : "OK";
+
+ clearTimeout(request.id);
+ request.id = setTimeout(function() {
+ _executeRequest(request);
+ }, reconnectInterval);
+ }
+ }
+
+ function _tryingToReconnect(response) {
+ response.state = 're-connecting';
+ _invokeFunction(response);
+ }
+
+ function _ieXDR(request) {
+ if (request.transport !== "polling") {
+ _ieStream = _configureXDR(request);
+ _ieStream.open();
+ } else {
+ _configureXDR(request).open();
+ }
+ }
+
+ function _configureXDR(request) {
+ var rq = _request;
+ if ((request != null) && (typeof (request) !== 'undefined')) {
+ rq = request;
+ }
+
+ var transport = rq.transport;
+ var lastIndex = 0;
+ var xdr = new window.XDomainRequest();
+
+ var reconnect = function() {
+ if (rq.transport === "long-polling" && (rq.reconnect && (rq.maxRequest === -1 || rq.requestCount++ < rq.maxRequest))) {
+ xdr.status = 200;
+ _ieXDR(rq);
+ }
+ };
+
+ var rewriteURL = rq.rewriteURL || function(url) {
+ // Maintaining session by rewriting URL
+ // http://stackoverflow.com/questions/6453779/maintaining-session-by-rewriting-url
+ var match = /(?:^|;\s*)(JSESSIONID|PHPSESSID)=([^;]*)/.exec(document.cookie);
+
+ switch (match && match[1]) {
+ case "JSESSIONID":
+ return url.replace(/;jsessionid=[^\?]*|(\?)|$/, ";jsessionid=" + match[2] + "$1");
+ case "PHPSESSID":
+ return url.replace(/\?PHPSESSID=[^&]*&?|\?|$/, "?PHPSESSID=" + match[2] + "&").replace(/&$/, "");
+ }
+ return url;
+ };
+
+ // Handles open and message event
+ xdr.onprogress = function() {
+ handle(xdr);
+ };
+ // Handles error event
+ xdr.onerror = function() {
+ // If the server doesn't send anything back to XDR will fail with polling
+ if (rq.transport !== 'polling') {
+ _clearState();
+ if (_requestCount++ < rq.maxReconnectOnClose) {
+ rq.id = setTimeout(function() {
+ _open('re-connecting', request.transport, request);
+ _ieXDR(rq);
+ }, rq.reconnectInterval);
+ } else {
+ _onError(0, "maxReconnectOnClose reached");
+ }
+ }
+ };
+
+ // Handles close event
+ xdr.onload = function() {};
+
+ var handle = function(xdr) {
+ clearTimeout(rq.id);
+ var message = xdr.responseText;
+
+ message = message.substring(lastIndex);
+ lastIndex += message.length;
+
+ if (transport !== 'polling') {
+ _timeout(rq);
+
+ var skipCallbackInvocation = _trackMessageSize(message, rq, _response);
+
+ if (transport === 'long-polling' && atmosphere.util.trim(message) === 0)
+ return;
+
+ if (rq.executeCallbackBeforeReconnect) {
+ reconnect();
+ }
+
+ if (!skipCallbackInvocation) {
+ _prepareCallback(_response.responseBody, "messageReceived", 200, transport);
+ }
+
+ if (!rq.executeCallbackBeforeReconnect) {
+ reconnect();
+ }
+ }
+ };
+
+ return {
+ open: function() {
+ var url = rq.url;
+ if (rq.dispatchUrl != null) {
+ url += rq.dispatchUrl;
+ }
+ url = _attachHeaders(rq, url);
+ xdr.open(rq.method, rewriteURL(url));
+ if (rq.method === 'GET') {
+ xdr.send();
+ } else {
+ xdr.send(rq.data);
+ }
+
+ if (rq.connectTimeout > -1) {
+ rq.id = setTimeout(function() {
+ if (rq.requestCount === 0) {
+ _clearState();
+ _prepareCallback("Connect timeout", "closed", 200, rq.transport);
+ }
+ }, rq.connectTimeout);
+ }
+ },
+ close: function() {
+ xdr.abort();
+ }
+ };
+ }
+
+ function _ieStreaming(request) {
+ _ieStream = _configureIE(request);
+ _ieStream.open();
+ }
+
+ function _configureIE(request) {
+ var rq = _request;
+ if ((request != null) && (typeof (request) !== 'undefined')) {
+ rq = request;
+ }
+
+ var stop;
+ var doc = new window.ActiveXObject("htmlfile");
+
+ doc.open();
+ doc.close();
+
+ var url = rq.url;
+ if (rq.dispatchUrl != null) {
+ url += rq.dispatchUrl;
+ }
+
+ if (rq.transport !== 'polling') {
+ _response.transport = rq.transport;
+ }
+
+ return {
+ open: function() {
+ var iframe = doc.createElement("iframe");
+
+ url = _attachHeaders(rq);
+ if (rq.data !== '') {
+ url += "&X-Atmosphere-Post-Body=" + encodeURIComponent(rq.data);
+ }
+
+ // Finally attach a timestamp to prevent Android and IE caching.
+ url = atmosphere.util.prepareURL(url);
+
+ iframe.src = url;
+ doc.body.appendChild(iframe);
+
+ // For the server to respond in a consistent format regardless of user agent, we polls response text
+ var cdoc = iframe.contentDocument || iframe.contentWindow.document;
+
+ stop = atmosphere.util.iterate(function() {
+ try {
+ if (!cdoc.firstChild) {
+ return;
+ }
+
+ var res = cdoc.body ? cdoc.body.lastChild : cdoc;
+ var readResponse = function() {
+ // Clones the element not to disturb the original one
+ var clone = res.cloneNode(true);
+
+ // If the last character is a carriage return or a line feed, IE ignores it in the innerText property
+ // therefore, we add another non-newline character to preserve it
+ clone.appendChild(cdoc.createTextNode("."));
+
+ var text = clone.innerText;
+
+ text = text.substring(0, text.length - 1);
+ return text;
+
+ };
+
+ // To support text/html content type
+ if (!cdoc.body || !cdoc.body.firstChild || cdoc.body.firstChild.nodeName.toLowerCase() !== "pre") {
+ // Injects a plaintext element which renders text without interpreting the HTML and cannot be stopped
+ // it is deprecated in HTML5, but still works
+ var head = cdoc.head || cdoc.getElementsByTagName("head")[0] || cdoc.documentElement || cdoc;
+ var script = cdoc.createElement("script");
+
+ script.text = "document.write('<![CDATA[')";
+
+ head.insertBefore(script, head.firstChild);
+ head.removeChild(script);
+
+ // The plaintext element will be the response container
+ res = cdoc.body.lastChild;
+ }
+
+ if (rq.closed) {
+ rq.isReopen = true;
+ }
+
+ // Handles message and close event
+ stop = atmosphere.util.iterate(function() {
+ var text = readResponse();
+ if (text.length > rq.lastIndex) {
+ _timeout(_request);
+
+ _response.status = 200;
+ _response.error = null;
+
+ // Empties response every time that it is handled
+ res.innerText = "";
+ var skipCallbackInvocation = _trackMessageSize(text, rq, _response);
+ if (skipCallbackInvocation) {
+ return "";
+ }
+
+ _prepareCallback(_response.responseBody, "messageReceived", 200, rq.transport);
+ }
+
+ rq.lastIndex = 0;
+
+ if (cdoc.readyState === "complete") {
+ _invokeClose(true);
+ _open('re-connecting', rq.transport, rq);
+ rq.id = setTimeout(function() {
+ _ieStreaming(rq);
+ }, rq.reconnectInterval);
+ return false;
+ }
+ }, null);
+
+ return false;
+ } catch (err) {
+ _response.error = true;
+ _open('re-connecting', rq.transport, rq);
+ if (_requestCount++ < rq.maxReconnectOnClose) {
+ rq.id = setTimeout(function() {
+ _ieStreaming(rq);
+ }, rq.reconnectInterval);
+ } else {
+ _onError(0, "maxReconnectOnClose reached");
+ }
+ doc.execCommand("Stop");
+ doc.close();
+ return false;
+ }
+ });
+ },
+
+ close: function() {
+ if (stop) {
+ stop();
+ }
+
+ doc.execCommand("Stop");
+ _invokeClose(true);
+ }
+ };
+ }
+
+ /**
+ * Send message. <br>
+ * Will be automatically dispatch to other connected.
+ *
+ * @param {Object, string} Message to send.
+ * @private
+ */
+ function _push(message) {
+
+ if (_localStorageService != null) {
+ _pushLocal(message);
+ } else if (_activeRequest != null || _sse != null) {
+ _pushAjaxMessage(message);
+ } else if (_ieStream != null) {
+ _pushIE(message);
+ } else if (_jqxhr != null) {
+ _pushJsonp(message);
+ } else if (_websocket != null) {
+ _pushWebSocket(message);
+ }
+ }
+
+ function _pushOnClose(message, rq) {
+ if (!rq) {
+ rq = _getPushRequest(message);
+ }
+ rq.transport = "polling";
+ rq.method = "GET";
+ rq.async = false;
+ rq.reconnect = false;
+ rq.force = true;
+ rq.suspend = false;
+ _executeRequest(rq);
+ }
+
+ function _pushLocal(message) {
+ _localStorageService.send(message);
+ }
+
+ function _intraPush(message) {
+ // IE 9 will crash if not.
+ if (message.length === 0)
+ return;
+
+ try {
+ if (_localStorageService) {
+ _localStorageService.localSend(message);
+ } else if (_storageService) {
+ _storageService.signal("localMessage", atmosphere.util.stringifyJSON({
+ id: guid,
+ event: message
+ }));
+ }
+ } catch (err) {
+ atmosphere.util.error(err);
+ }
+ }
+
+ /**
+ * Send a message using currently opened ajax request (using http-streaming or long-polling). <br>
+ *
+ * @param {string, Object} Message to send. This is an object, string message is saved in data member.
+ * @private
+ */
+ function _pushAjaxMessage(message) {
+ var rq = _getPushRequest(message);
+ _executeRequest(rq);
+ }
+
+ /**
+ * Send a message using currently opened ie streaming (using http-streaming or long-polling). <br>
+ *
+ * @param {string, Object} Message to send. This is an object, string message is saved in data member.
+ * @private
+ */
+ function _pushIE(message) {
+ if (_request.enableXDR && atmosphere.util.checkCORSSupport()) {
+ var rq = _getPushRequest(message);
+ // Do not reconnect since we are pushing.
+ rq.reconnect = false;
+ _jsonp(rq);
+ } else {
+ _pushAjaxMessage(message);
+ }
+ }
+
+ /**
+ * Send a message using jsonp transport. <br>
+ *
+ * @param {string, Object} Message to send. This is an object, string message is saved in data member.
+ * @private
+ */
+ function _pushJsonp(message) {
+ _pushAjaxMessage(message);
+ }
+
+ function _getStringMessage(message) {
+ var msg = message;
+ if (typeof (msg) === 'object') {
+ msg = message.data;
+ }
+ return msg;
+ }
+
+ /**
+ * Build request use to push message using method 'POST' <br>. Transport is defined as 'polling' and 'suspend' is set to false.
+ *
+ * @return {Object} Request object use to push message.
+ * @private
+ */
+ function _getPushRequest(message) {
+ var msg = _getStringMessage(message);
+
+ var rq = {
+ connected: false,
+ timeout: 60000,
+ method: 'POST',
+ url: _request.url,
+ contentType: _request.contentType,
+ headers: _request.headers,
+ reconnect: true,
+ callback: null,
+ data: msg,
+ suspend: false,
+ maxRequest: -1,
+ logLevel: 'info',
+ requestCount: 0,
+ withCredentials: _request.withCredentials,
+ transport: 'polling',
+ isOpen: true,
+ attachHeadersAsQueryString: true,
+ enableXDR: _request.enableXDR,
+ uuid: _request.uuid,
+ dispatchUrl: _request.dispatchUrl,
+ enableProtocol: false,
+ messageDelimiter: '|',
+ maxReconnectOnClose: _request.maxReconnectOnClose
+ };
+
+ if (typeof (message) === 'object') {
+ rq = atmosphere.util.extend(rq, message);
+ }
+
+ return rq;
+ }
+
+ /**
+ * Send a message using currently opened websocket. <br>
+ *
+ */
+ function _pushWebSocket(message) {
+ var msg = _getStringMessage(message);
+ var data;
+ try {
+ if (_request.dispatchUrl != null) {
+ data = _request.webSocketPathDelimiter + _request.dispatchUrl + _request.webSocketPathDelimiter + msg;
+ } else {
+ data = msg;
+ }
+
+ _websocket.send(data);
+
+ } catch (e) {
+ _websocket.onclose = function(message) {};
+ _clearState();
+
+ _reconnectWithFallbackTransport("Websocket failed. Downgrading to Comet and resending " + data);
+ _pushAjaxMessage(message);
+ }
+ }
+
+ function _localMessage(message) {
+ var m = atmosphere.util.parseJSON(message);
+ if (m.id !== guid) {
+ if (typeof (_request.onLocalMessage) !== 'undefined') {
+ _request.onLocalMessage(m.event);
+ } else if (typeof (atmosphere.util.onLocalMessage) !== 'undefined') {
+ atmosphere.util.onLocalMessage(m.event);
+ }
+ }
+ }
+
+ function _prepareCallback(messageBody, state, errorCode, transport) {
+
+ _response.responseBody = messageBody;
+ _response.transport = transport;
+ _response.status = errorCode;
+ _response.state = state;
+
+ _invokeCallback();
+ }
+
+ function _readHeaders(xdr, request) {
+ if (!request.readResponsesHeaders && !request.enableProtocol) {
+ request.lastTimestamp = atmosphere.util.now();
+ request.uuid = guid;
+ return;
+ }
+
+ try {
+ var tempDate = xdr.getResponseHeader('X-Cache-Date');
+ if (tempDate && tempDate != null && tempDate.length > 0) {
+ request.lastTimestamp = tempDate.split(" ").pop();
+ }
+
+ var tempUUID = xdr.getResponseHeader('X-Atmosphere-tracking-id');
+ if (tempUUID && tempUUID != null) {
+ request.uuid = tempUUID.split(" ").pop();
+ }
+
+ // HOTFIX for firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=608735
+ if (request.headers) {
+ atmosphere.util.each(_request.headers, function(name) {
+ var v = xdr.getResponseHeader(name);
+ if (v) {
+ _response.headers[name] = v;
+ }
+ });
+ }
+ } catch (e) {}
+ }
+
+ function _invokeFunction(response) {
+ _f(response, _request);
+ // Global
+ _f(response, atmosphere.util);
+ }
+
+ function _f(response, f) {
+ switch (response.state) {
+ case "messageReceived":
+ _requestCount = 0;
+ if (typeof (f.onMessage) !== 'undefined')
+ f.onMessage(response);
+ break;
+ case "error":
+ if (typeof (f.onError) !== 'undefined')
+ f.onError(response);
+ break;
+ case "opening":
+ if (typeof (f.onOpen) !== 'undefined')
+ f.onOpen(response);
+ break;
+ case "messagePublished":
+ if (typeof (f.onMessagePublished) !== 'undefined')
+ f.onMessagePublished(response);
+ break;
+ case "re-connecting":
+ if (typeof (f.onReconnect) !== 'undefined')
+ f.onReconnect(_request, response);
+ break;
+ case "re-opening":
+ if (typeof (f.onReopen) !== 'undefined')
+ f.onReopen(_request, response);
+ break;
+ case "fail-to-reconnect":
+ if (typeof (f.onFailureToReconnect) !== 'undefined')
+ f.onFailureToReconnect(_request, response);
+ break;
+ case "unsubscribe":
+ case "closed":
+ var closed = typeof (_request.closed) !== 'undefined' ? _request.closed : false;
+ if (typeof (f.onClose) !== 'undefined' && !closed)
+ f.onClose(response);
+ _request.closed = true;
+ break;
+ }
+ }
+
+ function _invokeClose(wasOpen) {
+ if (_response.state !== 'closed') {
+ _response.state = 'closed';
+ _response.responseBody = "";
+ _response.messages = [];
+ _response.status = !wasOpen ? 501 : 200;
+ _invokeCallback();
+ }
+ }
+
+ /**
+ * Invoke request callbacks.
+ *
+ * @private
+ */
+ function _invokeCallback() {
+ var call = function(index, func) {
+ func(_response);
+ };
+
+ if (_localStorageService == null && _localSocketF != null) {
+ _localSocketF(_response.responseBody);
+ }
+
+ _request.reconnect = _request.mrequest;
+
+ var isString = typeof (_response.responseBody) === 'string';
+ var messages = (isString && _request.trackMessageLength) ? (_response.messages.length > 0 ? _response.messages : ['']) : new Array(
+ _response.responseBody);
+ for ( var i = 0; i < messages.length; i++) {
+
+ if (messages.length > 1 && messages[i].length === 0) {
+ continue;
+ }
+ _response.responseBody = (isString) ? atmosphere.util.trim(messages[i]) : messages[i];
+
+ if (_localStorageService == null && _localSocketF != null) {
+ _localSocketF(_response.responseBody);
+ }
+
+ if (_response.responseBody.length === 0 && _response.state === "messageReceived") {
+ continue;
+ }
+
+ _invokeFunction(_response);
+
+ // Invoke global callbacks
+ if (callbacks.length > 0) {
+ if (_request.logLevel === 'debug') {
+ atmosphere.util.debug("Invoking " + callbacks.length + " global callbacks: " + _response.state);
+ }
+ try {
+ atmosphere.util.each(callbacks, call);
+ } catch (e) {
+ atmosphere.util.log(_request.logLevel, ["Callback exception" + e]);
+ }
+ }
+
+ // Invoke request callback
+ if (typeof (_request.callback) === 'function') {
+ if (_request.logLevel === 'debug') {
+ atmosphere.util.debug("Invoking request callbacks");
+ }
+ try {
+ _request.callback(_response);
+ } catch (e) {
+ atmosphere.util.log(_request.logLevel, ["Callback exception" + e]);
+ }
+ }
+ }
+ }
+
+ this.subscribe = function(options) {
+ _subscribe(options);
+ _execute();
+ };
+
+ this.execute = function() {
+ _execute();
+ };
+
+ this.close = function() {
+ _close();
+ };
+
+ this.disconnect = function() {
+ _disconnect();
+ };
+
+ this.getUrl = function() {
+ return _request.url;
+ };
+
+ this.push = function(message, dispatchUrl) {
+ if (dispatchUrl != null) {
+ var originalDispatchUrl = _request.dispatchUrl;
+ _request.dispatchUrl = dispatchUrl;
+ _push(message);
+ _request.dispatchUrl = originalDispatchUrl;
+ } else {
+ _push(message);
+ }
+ };
+
+ this.getUUID = function() {
+ return _request.uuid;
+ };
+
+ this.pushLocal = function(message) {
+ _intraPush(message);
+ };
+
+ this.enableProtocol = function(message) {
+ return _request.enableProtocol;
+ };
+
+ this.request = _request;
+ this.response = _response;
+ }
+ };
+
+ atmosphere.subscribe = function(url, callback, request) {
+ if (typeof (callback) === 'function') {
+ atmosphere.addCallback(callback);
+ }
+
+ if (typeof (url) !== "string") {
+ request = url;
+ } else {
+ request.url = url;
+ }
+
+ var rq = new atmosphere.AtmosphereRequest(request);
+ rq.execute();
+
+ requests[requests.length] = rq;
+ return rq;
+ };
+
+ atmosphere.unsubscribe = function() {
+ if (requests.length > 0) {
+ var requestsClone = [].concat(requests);
+ for ( var i = 0; i < requestsClone.length; i++) {
+ var rq = requestsClone[i];
+ rq.close();
+ clearTimeout(rq.response.request.id);
+ }
+ }
+ requests = [];
+ callbacks = [];
+ };
+
+ atmosphere.unsubscribeUrl = function(url) {
+ var idx = -1;
+ if (requests.length > 0) {
+ for ( var i = 0; i < requests.length; i++) {
+ var rq = requests[i];
+
+ // Suppose you can subscribe once to an url
+ if (rq.getUrl() === url) {
+ rq.close();
+ clearTimeout(rq.response.request.id);
+ idx = i;
+ break;
+ }
+ }
+ }
+ if (idx >= 0) {
+ requests.splice(idx, 1);
+ }
+ };
+
+ atmosphere.addCallback = function(func) {
+ if (atmosphere.util.inArray(func, callbacks) === -1) {
+ callbacks.push(func);
+ }
+ };
+
+ atmosphere.removeCallback = function(func) {
+ var index = atmosphere.util.inArray(func, callbacks);
+ if (index !== -1) {
+ callbacks.splice(index, 1);
+ }
+ };
+
+ atmosphere.util = {
+ browser: {},
+
+ parseHeaders: function(headerString) {
+ var match, rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, headers = {};
+ while (match = rheaders.exec(headerString)) {
+ headers[match[1]] = match[2];
+ }
+ return headers;
+ },
+
+ now: function() {
+ return new Date().getTime();
+ },
+
+ isArray: function(array) {
+ return Object.prototype.toString.call(array) === "[object Array]";
+ },
+
+ isBinary: function(data) {
+ var string = Object.prototype.toString.call(data);
+ return string === "[object Blob]" || string === "[object ArrayBuffer]";
+ },
+
+ isFunction: function(fn) {
+ return Object.prototype.toString.call(fn) === "[object Function]";
+ },
+
+ getAbsoluteURL: function(url) {
+ var div = document.createElement("div");
+
+ // Uses an innerHTML property to obtain an absolute URL
+ div.innerHTML = '<a href="' + url + '"/>';
+
+ // encodeURI and decodeURI are needed to normalize URL between IE and non-IE,
+ // since IE doesn't encode the href property value and return it - http://jsfiddle.net/Yq9M8/1/
+ return encodeURI(decodeURI(div.firstChild.href));
+ },
+
+ prepareURL: function(url) {
+ // Attaches a time stamp to prevent caching
+ var ts = atmosphere.util.now();
+ var ret = url.replace(/([?&])_=[^&]*/, "$1_=" + ts);
+
+ return ret + (ret === url ? (/\?/.test(url) ? "&" : "?") + "_=" + ts : "");
+ },
+
+ trim: function(str) {
+ if (!String.prototype.trim) {
+ return str.toString().replace(/(?:(?:^|\n)\s+|\s+(?:$|\n))/g, "").replace(/\s+/g, " ");
+ } else {
+ return str.toString().trim();
+ }
+ },
+
+ param: function(params) {
+ var prefix, s = [];
+
+ function add(key, value) {
+ value = atmosphere.util.isFunction(value) ? value() : (value == null ? "" : value);
+ s.push(encodeURIComponent(key) + "=" + encodeURIComponent(value));
+ }
+
+ function buildParams(prefix, obj) {
+ var name;
+
+ if (atmosphere.util.isArray(obj)) {
+ atmosphere.util.each(obj, function(i, v) {
+ if (/\[\]$/.test(prefix)) {
+ add(prefix, v);
+ } else {
+ buildParams(prefix + "[" + (typeof v === "object" ? i : "") + "]", v);
+ }
+ });
+ } else if (Object.prototype.toString.call(obj) === "[object Object]") {
+ for (name in obj) {
+ buildParams(prefix + "[" + name + "]", obj[name]);
+ }
+ } else {
+ add(prefix, obj);
+ }
+ }
+
+ for (prefix in params) {
+ buildParams(prefix, params[prefix]);
+ }
+
+ return s.join("&").replace(/%20/g, "+");
+ },
+
+ supportStorage: function() {
+ var storage = window.localStorage;
+ if (storage) {
+ try {
+ storage.setItem("t", "t");
+ storage.removeItem("t");
+ // The storage event of Internet Explorer and Firefox 3 works strangely
+ return window.StorageEvent && !atmosphere.util.browser.msie
+ && !(atmosphere.util.browser.mozilla && atmosphere.util.browser.version.split(".")[0] === "1");
+ } catch (e) {}
+ }
+
+ return false;
+ },
+
+ iterate: function(fn, interval) {
+ var timeoutId;
+
+ // Though the interval is 0 for real-time application, there is a delay between setTimeout calls
+ // For detail, see https://developer.mozilla.org/en/window.setTimeout#Minimum_delay_and_timeout_nesting
+ interval = interval || 0;
+
+ (function loop() {
+ timeoutId = setTimeout(function() {
+ if (fn() === false) {
+ return;
+ }
+
+ loop();
+ }, interval);
+ })();
+
+ return function() {
+ clearTimeout(timeoutId);
+ };
+ },
+
+ each: function(obj, callback, args) {
+ var value, i = 0, length = obj.length, isArray = atmosphere.util.isArray(obj);
+
+ if (args) {
+ if (isArray) {
+ for (; i < length; i++) {
+ value = callback.apply(obj[i], args);
+
+ if (value === false) {
+ break;
+ }
+ }
+ } else {
+ for (i in obj) {
+ value = callback.apply(obj[i], args);
+
+ if (value === false) {
+ break;
+ }
+ }
+ }
+
+ // A special, fast, case for the most common use of each
+ } else {
+ if (isArray) {
+ for (; i < length; i++) {
+ value = callback.call(obj[i], i, obj[i]);
+
+ if (value === false) {
+ break;
+ }
+ }
+ } else {
+ for (i in obj) {
+ value = callback.call(obj[i], i, obj[i]);
+
+ if (value === false) {
+ break;
+ }
+ }
+ }
+ }
+
+ return obj;
+ },
+
+ extend: function(target) {
+ var i, options, name;
+
+ for (i = 1; i < arguments.length; i++) {
+ if ((options = arguments[i]) != null) {
+ for (name in options) {
+ target[name] = options[name];
+ }
+ }
+ }
+
+ return target;
+ },
+ on: function(elem, type, fn) {
+ if (elem.addEventListener) {
+ elem.addEventListener(type, fn, false);
+ } else if (elem.attachEvent) {
+ elem.attachEvent("on" + type, fn);
+ }
+ },
+ off: function(elem, type, fn) {
+ if (elem.removeEventListener) {
+ elem.removeEventListener(type, fn, false);
+ } else if (elem.detachEvent) {
+ elem.detachEvent("on" + type, fn);
+ }
+ },
+
+ log: function(level, args) {
+ if (window.console) {
+ var logger = window.console[level];
+ if (typeof logger === 'function') {
+ logger.apply(window.console, args);
+ }
+ }
+ },
+
+ warn: function() {
+ atmosphere.util.log('warn', arguments);
+ },
+
+ info: function() {
+ atmosphere.util.log('info', arguments);
+ },
+
+ debug: function() {
+ atmosphere.util.log('debug', arguments);
+ },
+
+ error: function() {
+ atmosphere.util.log('error', arguments);
+ },
+ xhr: function() {
+ try {
+ return new window.XMLHttpRequest();
+ } catch (e1) {
+ try {
+ return new window.ActiveXObject("Microsoft.XMLHTTP");
+ } catch (e2) {}
+ }
+ },
+ parseJSON: function(data) {
+ return !data ? null : window.JSON && window.JSON.parse ? window.JSON.parse(data) : new Function("return " + data)();
+ },
+ // http://github.com/flowersinthesand/stringifyJSON
+ stringifyJSON: function(value) {
+ var escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, meta = {
+ '\b': '\\b',
+ '\t': '\\t',
+ '\n': '\\n',
+ '\f': '\\f',
+ '\r': '\\r',
+ '"': '\\"',
+ '\\': '\\\\'
+ };
+
+ function quote(string) {
+ return '"' + string.replace(escapable, function(a) {
+ var c = meta[a];
+ return typeof c === "string" ? c : "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
+ }) + '"';
+ }
+
+ function f(n) {
+ return n < 10 ? "0" + n : n;
+ }
+
+ return window.JSON && window.JSON.stringify ? window.JSON.stringify(value) : (function str(key, holder) {
+ var i, v, len, partial, value = holder[key], type = typeof value;
+
+ if (value && typeof value === "object" && typeof value.toJSON === "function") {
+ value = value.toJSON(key);
+ type = typeof value;
+ }
+
+ switch (type) {
+ case "string":
+ return quote(value);
+ case "number":
+ return isFinite(value) ? String(value) : "null";
+ case "boolean":
+ return String(value);
+ case "object":
+ if (!value) {
+ return "null";
+ }
+
+ switch (Object.prototype.toString.call(value)) {
+ case "[object Date]":
+ return isFinite(value.valueOf()) ? '"' + value.getUTCFullYear() + "-" + f(value.getUTCMonth() + 1) + "-"
+ + f(value.getUTCDate()) + "T" + f(value.getUTCHours()) + ":" + f(value.getUTCMinutes()) + ":" + f(value.getUTCSeconds())
+ + "Z" + '"' : "null";
+ case "[object Array]":
+ len = value.length;
+ partial = [];
+ for (i = 0; i < len; i++) {
+ partial.push(str(i, value) || "null");
+ }
+
+ return "[" + partial.join(",") + "]";
+ default:
+ partial = [];
+ for (i in value) {
+ if (hasOwn.call(value, i)) {
+ v = str(i, value);
+ if (v) {
+ partial.push(quote(i) + ":" + v);
+ }
+ }
+ }
+
+ return "{" + partial.join(",") + "}";
+ }
+ }
+ })("", {
+ "": value
+ });
+ },
+
+ checkCORSSupport: function() {
+ if (atmosphere.util.browser.msie && !window.XDomainRequest) {
+ return true;
+ } else if (atmosphere.util.browser.opera && atmosphere.util.browser.version < 12.0) {
+ return true;
+ }
+
+ // Force Android to use CORS as some version like 2.2.3 fail otherwise
+ var ua = navigator.userAgent.toLowerCase();
+ var isAndroid = ua.indexOf("android") > -1;
+ if (isAndroid) {
+ return true;
+ }
+ return false;
+ }
+ };
+
+ guid = atmosphere.util.now();
+
+ // Browser sniffing
+ (function() {
+ var ua = navigator.userAgent.toLowerCase(),
+ match = /(chrome)[ \/]([\w.]+)/.exec(ua) ||
+ /(webkit)[ \/]([\w.]+)/.exec(ua) ||
+ /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) ||
+ /(msie) ([\w.]+)/.exec(ua) ||
+ ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) ||
+ [];
+
+ atmosphere.util.browser[match[1] || ""] = true;
+ atmosphere.util.browser.version = match[2] || "0";
+
+ // The storage event of Internet Explorer and Firefox 3 works strangely
+ if (atmosphere.util.browser.msie || (atmosphere.util.browser.mozilla && atmosphere.util.browser.version.split(".")[0] === "1")) {
+ atmosphere.util.storage = false;
+ }
+ })();
+
+ atmosphere.util.on(window, "unload", function(event) {
+ atmosphere.unsubscribe();
+ });
+
+ // Pressing ESC key in Firefox kills the connection
+ atmosphere.util.on(window, "keypress", function(event) {
+ if (event.which === 27) {
+ event.preventDefault();
+ }
+ });
+
+ atmosphere.util.on(window, "offline", function() {
+ atmosphere.unsubscribe();
+ });
+ window.atmosphere = atmosphere;
+})();
+/* jshint eqnull:true, noarg:true, noempty:true, eqeqeq:true, evil:true, laxbreak:true, undef:true, browser:true, indent:false, maxerr:50 */
diff --git a/ajax/libs/atmosphere/2.0.0.RC4/atmosphere.min.js b/ajax/libs/atmosphere/2.0.0.RC4/atmosphere.min.js
new file mode 100644
index 000000000..9202f41ae
--- /dev/null
+++ b/ajax/libs/atmosphere/2.0.0.RC4/atmosphere.min.js
@@ -0,0 +1,16 @@
+/**
+ * Copyright 2012 Jeanfrancois Arcand
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+(function(){var ia="2.0.0-javascript",e={},s=[],D=[],U=Object.prototype.hasOwnProperty,e={onError:function(e){},onClose:function(e){},onOpen:function(e){},onReopen:function(e){},onMessage:function(e){},onReconnect:function(e,h){},onMessagePublished:function(e){},onTransportFailure:function(e,h){},onLocalMessage:function(e){},onFailureToReconnect:function(e,h){},AtmosphereRequest:function(d){function h(b,a){""===f.partialMessage&&("streaming"===a.transport&&b.responseText.length>a.maxStreamingLength)&& (f.messages=[],I(!0),g(),l(),L(b,a,0))}function g(){if(c.enableProtocol&&!c.firstMessage){var b="X-Atmosphere-Transport=close&X-Atmosphere-tracking-id="+c.uuid,a=c.url.replace(/([?&])_=[^&]*/,b),a=a+(a===c.url?(/\?/.test(c.url)?"&":"?")+b:"");c.attachHeadersAsQueryString=!1;c.dropAtmosphereHeaders=!0;c.url=a;c.transport="polling";(b=c)||(b=V(""));b.transport="polling";b.method="GET";b.async=!1;b.reconnect=!1;b.force=!0;b.suspend=!1;Q(b)}}function m(){c.reconnect=!1;J=!0;f.request=c;f.state="unsubscribe"; f.responseBody="";f.status=408;y();g();l()}function l(){c.id&&clearTimeout(c.id);null!=v&&(v.close(),v=null);null!=E&&(E.abort(),E=null);null!=M&&(M.abort(),M=null);null!=r&&(r.webSocketOpened&&r.close(),r=null);null!=t&&(t.close(),t=null);null!=B&&(clearInterval(R),document.cookie=encodeURIComponent("atmosphere-"+c.url)+"=; expires=Thu, 01 Jan 1970 00:00:00 GMT",B.signal("close",{reason:"",heir:J?(B.get("children")||[])[0]:z}),B.close());null!=w&&w.close()}function aa(b){l();W=!0;J=!1;C=0;v=M=t= r=null;c=e.util.extend(c,b);c.mrequest=c.reconnect;c.reconnect||(c.reconnect=!0)}function F(){if(c.shared){w=ja(c);if(null!=w&&("debug"===c.logLevel&&e.util.debug("Storage service available. All communication will be local"),w.open(c)))return;"debug"===c.logLevel&&e.util.debug("No Storage service available.");w=null}c.firstMessage=!0;c.isOpen=!1;c.ctime=e.util.now();"websocket"!==c.transport&&"sse"!==c.transport?Q(c):"websocket"===c.transport?null!=c.webSocketImpl||window.WebSocket||window.MozWebSocket? q(!1):N("Websocket is not supported, using request.fallbackTransport ("+c.fallbackTransport+")"):"sse"===c.transport&&(window.EventSource?x(!1):N("Server Side Events(SSE) is not supported, using request.fallbackTransport ("+c.fallbackTransport+")"))}function ja(b){function a(a,b){var c,e=a.length;for(c=0;c<e;c++)a[c]===b&&a.splice(c,1);return e!==a.length}function k(a){a=e.util.parseJSON(a);var k=a.data;if("c"===a.target)switch(a.type){case "open":u("opening","local",c);break;case "close":p||(p=!0, "aborted"===k.reason?m():k.heir===z?F():setTimeout(function(){F()},100));break;case "message":O(k,"messageReceived",200,b.transport);break;case "localMessage":ba(k)}}function n(){var a=RegExp("(?:^|; )("+encodeURIComponent(h)+")=([^;]*)").exec(document.cookie);if(a)return e.util.parseJSON(decodeURIComponent(a[2]))}var f,d,p,h="atmosphere-"+b.url,g={storage:function(){if(e.util.supportStorage()){var c=window.localStorage,f=function(a){return e.util.parseJSON(c.getItem(h+"-"+a))},n=function(a,b){c.setItem(h+ "-"+a,e.util.stringifyJSON(b))};return{init:function(){n("children",f("children").concat([z]));e.util.on("storage.socket",function(a){a=a.originalEvent;a.key===h&&a.newValue&&k(a.newValue)});return f("opened")},signal:function(a,b){c.setItem(h,e.util.stringifyJSON({target:"p",type:a,data:b}))},close:function(){var c=f("children");e.util.off("storage.socket");c&&a(c,b.id)&&n("children",c)}}}},windowref:function(){var b=window.open("",h.replace(/\W/g,""));if(b&&!b.closed&&b.callbacks)return{init:function(){b.callbacks.push(k); b.children.push(z);return b.opened},signal:function(a,c){!b.closed&&b.fire&&b.fire(e.util.stringifyJSON({target:"p",type:a,data:c}))},close:function(){p||(a(b.callbacks,k),a(b.children,z))}}}};if((f=n())&&!(1E3<e.util.now()-f.ts)&&(d=g.storage()||g.windowref()))return{open:function(){var a;R=setInterval(function(){var a=f;(f=n())&&a.ts!==f.ts||k(e.util.stringifyJSON({target:"c",type:"close",data:{reason:"error",heir:a.heir}}))},1E3);(a=d.init())&&setTimeout(function(){u("opening","local",b)},50); 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a.removeItem(f+"-opened");a.removeItem(f+"-children")}}}},windowref:function(){var a=f.replace(/\W/g,""),c=document.getElementById(a),k;c||(c=document.createElement("div"),c.id=a,c.style.display="none",c.innerHTML='<iframe name="'+a+'" />',document.body.appendChild(c));k=c.firstChild.contentWindow;return{init:function(){k.callbacks=[b];k.fire=function(a){var b;for(b=0;b<k.callbacks.length;b++)k.callbacks[b](a)}},signal:function(a,b){!k.closed&&k.fire&&k.fire(e.util.stringifyJSON({target:"c",type:a, data:b}))},get:function(a){return k.closed?null:k[a]},set:function(a,b){k.closed||(k[a]=b)},close:function(){}}}};P=function(a){k.signal("message",a)};k=d.storage()||d.windowref();k.init();"debug"===c.logLevel&&e.util.debug("Installed StorageService "+k);k.set("children",[]);null==k.get("opened")||k.get("opened")||k.set("opened",!1);a();R=setInterval(a,1E3);B=k}function u(b,a,k){c.shared&&"local"!==a&&s();null!=B&&B.set("opened",!0);k.close=function(){m()};0<C&&"re-connecting"===b?(k.isReopen=!0, ka(f)):null==f.error&&(f.request=k,k=f.state,f.state=b,b=f.transport,f.transport=a,a=f.responseBody,y(),f.responseBody=a,f.state=k,f.transport=b)}function ca(b){b.transport="jsonp";var a=c,k;null!=b&&"undefined"!==typeof b&&(a=b);E={open:function(){function b(){var c=a.url;null!=a.dispatchUrl&&(c+=a.dispatchUrl);var e=a.data;a.attachHeadersAsQueryString&&(c=K(a),""!==e&&(c+="&X-Atmosphere-Post-Body="+encodeURIComponent(e)),e="");e=document.head||document.getElementsByTagName("head")[0]||document.documentElement; k=document.createElement("script");k.src=c+"&jsonpTransport="+d;k.clean=function(){k.clean=k.onerror=k.onload=k.onreadystatechange=null;k.parentNode&&k.parentNode.removeChild(k)};k.onload=k.onreadystatechange=function(){k.readyState&&!/loaded|complete/.test(k.readyState)||k.clean()};k.onerror=function(){k.clean();A(0,"maxReconnectOnClose reached")};e.insertBefore(k,e.firstChild)}var d="atmosphere"+ ++z;window[d]=function(b){if(a.reconnect)if(-1===a.maxRequest||a.requestCount++<a.maxRequest){a.executeCallbackBeforeReconnect|| L(E,a,0);if(null!=b&&"string"!==typeof b)try{b=b.message}catch(k){}G(b,a,f)||O(f.responseBody,"messageReceived",200,a.transport);a.executeCallbackBeforeReconnect&&L(E,a,0)}else e.util.log(c.logLevel,["JSONP reconnect maximum try reached "+c.requestCount]),A(0,"maxRequest reached")};setTimeout(function(){b()},50)},abort:function(){k.clean&&k.clean()}};E.open()}function x(b){f.transport="sse";var a=K(c);"debug"===c.logLevel&&(e.util.debug("Invoking executeSSE"),e.util.debug("Using URL: "+a));if(c.enableProtocol&& b){var k=e.util.now()-c.ctime;c.lastTimestamp=Number(c.stime)+Number(k)}if(b&&!c.reconnect)null!=t&&l();else{try{t=new EventSource(a,{withCredentials:c.withCredentials})}catch(d){A(0,d);N("SSE failed. Downgrading to fallback transport and resending");return}0<c.connectTimeout&&(c.id=setTimeout(function(){b||l()},c.connectTimeout));t.onopen=function(a){H(c);"debug"===c.logLevel&&e.util.debug("SSE successfully opened");c.enableProtocol||(b?u("re-opening","sse",c):u("opening","sse",c));b=!0;"POST"=== c.method&&(f.state="messageReceived",t.send(c.data))};t.onmessage=function(a){H(c);!c.enableXDR&&a.origin&&a.origin!==window.location.protocol+"//"+window.location.host?e.util.log(c.logLevel,["Origin was not "+window.location.protocol+"//"+window.location.host]):(f.state="messageReceived",f.status=200,a=a.data,a=G(a,c,f),t.URL&&(t.interval=100,t.URL=K(c)),a||(y(),f.responseBody="",f.messages=[]))};t.onerror=function(a){clearTimeout(c.id);I(b);l();J?e.util.log(c.logLevel,["SSE closed normally"]):b? c.reconnect&&"sse"===f.transport&&(C++<c.maxReconnectOnClose?(u("re-connecting",c.transport,c),c.id=setTimeout(function(){x(!0)},c.reconnectInterval),f.responseBody="",f.messages=[]):(e.util.log(c.logLevel,["SSE reconnect maximum try reached "+C]),A(0,"maxReconnectOnClose reached"))):N("SSE failed. Downgrading to fallback transport and resending")}}}function q(b){f.transport="websocket";if(c.enableProtocol&&b){var a=e.util.now()-c.ctime;c.lastTimestamp=Number(c.stime)+Number(a)}a=e.util.getAbsoluteURL(K(c)).replace(/^http/, "ws");"debug"===c.logLevel&&(e.util.debug("Invoking executeWebSocket"),e.util.debug("Using URL: "+a));if(b&&!c.reconnect)null!=r&&l();else if(r=null!=c.webSocketImpl?c.webSocketImpl:window.WebSocket?new WebSocket(a):new MozWebSocket(a),null!=c.webSocketBinaryType&&(r.binaryType=c.webSocketBinaryType),0<c.connectTimeout&&(c.id=setTimeout(function(){if(!b){r.onclose({code:1002,reason:"",wasClean:!1});try{l()}catch(a){}}},c.connectTimeout)),r.onopen=function(a){H(c);"debug"===c.logLevel&&e.util.debug("Websocket successfully opened"); c.enableProtocol||(b?u("re-opening","websocket",c):u("opening","websocket",c));b=!0;r.webSocketOpened=b;"POST"===c.method&&(f.state="messageReceived",r.send(c.data))},r.onmessage=function(a){H(c);f.state="messageReceived";f.status=200;a=a.data;"string"===typeof a?G(a,c,f)||(y(),f.responseBody="",f.messages=[]):da(c,a)&&(f.responseBody=a,y(),f.responseBody=null)},r.onerror=function(a){clearTimeout(c.id)},r.onclose=function(a){clearTimeout(c.id);if("closed"!==f.state){var d=a.reason;if(""===d)switch(a.code){case 1E3:d= "Normal closure; the connection successfully completed whatever purpose for which it was created.";break;case 1001:d="The endpoint is going away, either because of a server failure or because the browser is navigating away from the page that opened the connection.";break;case 1002:d="The endpoint is terminating the connection due to a protocol error.";break;case 1003:d="The connection is being terminated because the endpoint received data of a type it cannot accept (for example, a text-only endpoint received binary data)."; break;case 1004:d="The endpoint is terminating the connection because a data frame was received that is too large.";break;case 1005:d="Unknown: no status code was provided even though one was expected.";break;case 1006:d="Connection was closed abnormally (that is, with no close frame being sent)."}e.util.warn("Websocket closed, reason: "+d);e.util.warn("Websocket closed, wasClean: "+a.wasClean);I(b);f.state="closed";J?e.util.log(c.logLevel,["Websocket closed normally"]):b?c.reconnect&&"websocket"=== f.transport&&(l(),C++<c.maxReconnectOnClose?(u("re-connecting",c.transport,c),c.id=setTimeout(function(){f.responseBody="";f.messages=[];q(!0)},c.reconnectInterval)):(e.util.log(c.logLevel,["Websocket reconnect maximum try reached "+c.requestCount]),e.util.warn("Websocket error, reason: "+a.reason),A(0,"maxReconnectOnClose reached"))):N("Websocket failed. 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diff --git a/ajax/libs/atmosphere/package.json b/ajax/libs/atmosphere/package.json
index 112c8d5d9..d572c5c9e 100644
--- a/ajax/libs/atmosphere/package.json
+++ b/ajax/libs/atmosphere/package.json
@@ -1,7 +1,7 @@
{
"name": "atmosphere",
"filename": "atmosphere.min.js",
- "version": "2.0.0.RC2",
+ "version": "2.0.0.RC4",
"description": "A browser-side JavaScript client for the Atmosphere",
"homepage": "https://github.com/Atmosphere/atmosphere-javascript",
"keywords": [
]]></plaintext></span>