diff options
Diffstat (limited to 'sandbox/fmoga/binding-comet-runtime/src/main/resources/jquery.atmosphere.js')
| -rw-r--r-- | sandbox/fmoga/binding-comet-runtime/src/main/resources/jquery.atmosphere.js | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/sandbox/fmoga/binding-comet-runtime/src/main/resources/jquery.atmosphere.js b/sandbox/fmoga/binding-comet-runtime/src/main/resources/jquery.atmosphere.js new file mode 100644 index 0000000000..eb94c9f6f5 --- /dev/null +++ b/sandbox/fmoga/binding-comet-runtime/src/main/resources/jquery.atmosphere.js @@ -0,0 +1,534 @@ +/** + * 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. + */ +jQuery.atmosphere = function() +{ + var activeRequest; + $(window).unload(function() + { + if (activeRequest) + activeRequest.abort(); + }); + + return { + version : 0.7, + response : { + status: 200, + responseBody : '', + headers : [], + state : "messageReceived", + transport : "polling", + push : [], + error: null, + id : 0 + }, + + request : {}, + logLevel : 'info', + callbacks: [], + activeTransport : null, + websocket : null, + killHiddenIFrame : null, + + subscribe: function(url, callback, request) + { + jQuery.atmosphere.request = jQuery.extend({ + timeout: 300000, + method: 'GET', + headers: {}, + contentType : "text/html;charset=ISO-8859-1", + cache: true, + async: true, + ifModified: false, + callback: null, + dataType: '', + url : url, + data : '', + suspend : true, + maxRequest : 60, + lastIndex : 0, + logLevel : 'info', + requestCount : 0, + fallbackTransport : 'streaming', + transport : 'long-polling' + + }, request); + + logLevel = jQuery.atmosphere.request.logLevel || 'info'; + if (callback != null) { + jQuery.atmosphere.addCallback(callback); + jQuery.atmosphere.request.callback = callback; + } + + if (jQuery.atmosphere.request.transport != jQuery.atmosphere.activeTransport) { + jQuery.atmosphere.closeSuspendedConnection(); + } + jQuery.atmosphere.activeTransport = jQuery.atmosphere.request.transport; + + if (jQuery.atmosphere.request.transport != 'websocket') { + jQuery.atmosphere.executeRequest(); + } else if (jQuery.atmosphere.request.transport == 'websocket') { + if (!window.WebSocket) { + jQuery.atmosphere.log(logLevel, ["Websocket is not supported, using request.fallbackTransport"]); + jQuery.atmosphere.request.transport = jQuery.atmosphere.request.fallbackTransport; + jQuery.atmosphere.executeRequest(); + } + else { + jQuery.atmosphere.executeWebSocket(); + } + } + }, + + /** + * Always make sure one transport is used, not two at the same time except for Websocket. + */ + closeSuspendedConnection : function () { + if (activeRequest != null) { + activeRequest.abort(); + } + + if (jQuery.atmosphere.websocket != null) { + jQuery.atmosphere.websocket.close(); + jQuery.atmosphere.websocket = null; + } + }, + + executeRequest: function() + { + + if (jQuery.atmosphere.request.transport == 'streaming') { + if ($.browser.msie) { + jQuery.atmosphere.ieStreaming(); + return; + } else if ((typeof window.addEventStream) == 'function') { + jQuery.atmosphere.operaStreaming(); + return; + } + } + + if (jQuery.atmosphere.request.requestCount++ < jQuery.atmosphere.request.maxRequest) { + jQuery.atmosphere.response.push = function (url) + { + jQuery.atmosphere.request.callback = null; + jQuery.atmosphere.publish(url, null, jQuery.atmosphere.request); + }; + + var request = jQuery.atmosphere.request; + var response = jQuery.atmosphere.response; + if (request.transport != 'polling') { + response.transport = request.transport; + } + + var ajaxRequest; + var error = false; + if ($.browser.msie) { + var activexmodes = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"] + for (var i = 0; i < activexmodes.length; i++) { + try { + ajaxRequest = new ActiveXObject(activexmodes[i]) + } + catch(e) { + } + } + } else if (window.XMLHttpRequest) { + ajaxRequest = new XMLHttpRequest(); + } + + if (request.suspend) { + activeRequest = ajaxRequest; + } + + ajaxRequest.open(request.method, request.url, true); + ajaxRequest.setRequestHeader("X-Atmosphere-Framework", jQuery.atmosphere.version); + ajaxRequest.setRequestHeader("X-Atmosphere-Transport", request.transport); + ajaxRequest.setRequestHeader("X-Cache-Date", new Date()); + + if (!$.browser.msie) { + ajaxRequest.onerror = function() + { + error = true; + try { + response.status = XMLHttpRequest.status; + } + catch(e) { + response.status = 404; + } + + response.state = "error"; + jQuery.atmosphere.invokeCallback(response); + ajaxRequest.abort(); + activeRequest = null; + } + } + + ajaxRequest.onreadystatechange = function() + { + var junkForWebkit = false; + var update = false; + if (ajaxRequest.readyState == 4) { + jQuery.atmosphere.request = request; + if (request.suspend && ajaxRequest.status == 200) { + jQuery.atmosphere.executeRequest(); + } + + if ($.browser.msie) { + update = true; + } + } else if (!$.browser.msie && ajaxRequest.readyState == 3 && ajaxRequest.status == 200) { + update = true; + } else { + clearTimeout(request.id); + } + + if (update) { + if (request.transport == 'streaming') { + response.responseBody = ajaxRequest.responseText.substring(request.lastIndex, ajaxRequest.responseText.length); + request.lastIndex = ajaxRequest.responseText.length; + + if (response.responseBody.indexOf("<!--") != -1) { + junkForWebkit = true; + } + + } else { + response.responseBody = ajaxRequest.responseText; + } + + if (response.responseBody.indexOf("parent.callback") != -1) { + var start = response.responseBody.indexOf("('") + 2; + var end = response.responseBody.indexOf("')"); + response.responseBody = response.responseBody.substring(start, end); + } + + if (junkForWebkit) return; + + try { + response.status = ajaxRequest.status; + response.headers = ajaxRequest.getAllResponseHeaders(); + } + catch(e) { + response.status = 404; + } + + if (request.suspend) { + response.state = "messageReceived"; + } else { + response.state = "messagePublished"; + } + jQuery.atmosphere.invokeCallback(response); + } + } + ajaxRequest.send(request.data); + + if (request.suspend) { + request.id = setTimeout(function() + { + ajaxRequest.abort(); + jQuery.atmosphere.subscribe(request.url, null, request); + + }, request.timeout); + } + } else { + jQuery.atmosphere.log(logLevel, ["Max re-connection reached."]); + } + }, + + operaStreaming: function() + { + + var url = jQuery.atmosphere.request.url; + var es = document.createElement('event-source'); + var response = jQuery.atmosphere.response; + + jQuery.atmosphere.response.push = function (url) + { + jQuery.atmosphere.request.transport = 'polling'; + jQuery.atmosphere.request.callback = null; + jQuery.atmosphere.publish(url, null, jQuery.atmosphere.request); + }; + + es.setAttribute('src', url); + // without this check opera 9.5 would make two connections. + if (opera.version() < 9.5) { + document.body.appendChild(es); + } + + var operaCallback = function (event) { + if (event.data) { + var junkForWebkit = false; + + response.responseBody = event.data; + if (event.data.indexOf("<!--") != -1) { + junkForWebkit = true; + } + + if (response.responseBody.indexOf("parent.callback") != -1) { + var start = response.responseBody.indexOf("('") + 2; + var end = response.responseBody.indexOf("')"); + response.responseBody = response.responseBody.substring(start, end); + } + + if (junkForWebkit) return; + + response.state = "messageReceived"; + jQuery.atmosphere.invokeCallback(response); + } + }; + + es.addEventListener('payload', operaCallback, false); + + }, + + ieStreaming : function() + { + var url = jQuery.atmosphere.request.url; + jQuery.atmosphere.response.push = function (url) + { + jQuery.atmosphere.request.transport = 'polling'; + jQuery.atmosphere.request.callback = null; + jQuery.atmosphere.publish(url, null, jQuery.atmosphere.request); + }; + + transferDoc = new ActiveXObject("htmlfile"); + transferDoc.open(); + transferDoc.close(); + var ifrDiv = transferDoc.createElement("div"); + transferDoc.body.appendChild(ifrDiv); + ifrDiv.innerHTML = "<iframe src='" + url + "'></iframe>"; + transferDoc.parentWindow.callback = jQuery.atmosphere.streamingCallback; + } + , + + streamingCallback : function(args) + { + var response = jQuery.atmosphere.response; + response.transport = "streaming"; + response.status = 200; + response.responseBody = args; + response.state = "messageReceived"; + + jQuery.atmosphere.invokeCallback(response); + } + , + + executeWebSocket : function() + { + var request = jQuery.atmosphere.request; + jQuery.atmosphere.log(logLevel, ["Invoking executeWebSocket"]); + jQuery.atmosphere.response.transport = "websocket"; + var url = jQuery.atmosphere.request.url; + var callback = jQuery.atmosphere.request.callback; + var location = url.replace('http:', 'ws:').replace('https:', 'wss:'); + + var websocket = new WebSocket(location); + jQuery.atmosphere.websocket = websocket; + + jQuery.atmosphere.response.push = function (url) + { + var data; + var ws = jQuery.atmosphere.websocket; + try { + data = jQuery.atmosphere.request.data; + ws.send(jQuery.atmosphere.request.data); + } catch (e) { + jQuery.atmosphere.log(logLevel, ["Websocket failed. Downgrading to Comet and resending " + data]); + // Websocket is not supported, reconnect using the fallback transport. + request.transport = request.fallbackTransport; + jQuery.atmosphere.request = request; + jQuery.atmosphere.executeRequest(); + + // Repost the data. + jQuery.atmosphere.request.suspend = false; + jQuery.atmosphere.request.method = 'POST'; + jQuery.atmosphere.request.data = data; + jQuery.atmosphere.response.state = 'messageReceived'; + jQuery.atmosphere.response.transport = request.fallbackTransport; + jQuery.atmosphere.publish(url, null, jQuery.atmosphere.request); + + ws.onclose = function(message) { + } + ws.close(); + } + }; + + websocket.onopen = function(message) + { + jQuery.atmosphere.response.state = 'openning'; + jQuery.atmosphere.invokeCallback(jQuery.atmosphere.response); + }; + + websocket.onmessage = function(message) + { + var data = message.data; + if (data.indexOf("parent.callback") != -1) { + var start = data.indexOf("('") + 2; + var end = data.indexOf("')"); + jQuery.atmosphere.response.responseBody = data.substring(start, end); + } + else { + jQuery.atmosphere.response.responseBody = data; + } + jQuery.atmosphere.invokeCallback(jQuery.atmosphere.response); + }; + + websocket.onerror = function(message) + { + jQuery.atmosphere.response.state = 'error'; + jQuery.atmosphere.invokeCallback(jQuery.atmosphere.response); + }; + + websocket.onclose = function(message) + { + jQuery.atmosphere.response.state = 'closed'; + jQuery.atmosphere.invokeCallback(jQuery.atmosphere.response); + }; + } + , + + addCallback: function(func) + { + if (jQuery.inArray(func, jQuery.atmosphere.callbacks) == -1) { + jQuery.atmosphere.callbacks.push(func); + } + } + , + + removeCallback: function(func) + { + if (jQuery.inArray(func, jQuery.atmosphere.callbacks) != -1) { + jQuery.atmosphere.callbacks.splice(index); + } + } + , + + invokeCallback: function(response) + { + var call = function (index, func) + { + func(response); + }; + + jQuery.atmosphere.log(logLevel, ["Invoking " + jQuery.atmosphere.callbacks.length + " callbacks"]); + if (jQuery.atmosphere.callbacks.length > 0) { + jQuery.each(jQuery.atmosphere.callbacks, call); + } + } + , + + publish: function(url, callback, request) + { + jQuery.atmosphere.request = jQuery.extend({ + connected: false, + timeout: 60000, + method: 'POST', + headers: {}, + cache: true, + async: true, + ifModified: false, + callback: null, + dataType: '', + url : url, + data : '', + suspend : false, + maxRequest : 60, + logLevel : 'info', + requestCount : 0, + transport: 'polling' + }, request); + + if (callback != null) { + jQuery.atmosphere.addCallback(callback); + } + jQuery.atmosphere.request.transport = 'polling'; + if (jQuery.atmosphere.request.transport != 'websocket') { + jQuery.atmosphere.executeRequest(); + } else if (jQuery.atmosphere.request.transport == 'websocket') { + if (!window.WebSocket) { + alert("WebSocket not supported by this browser"); + } + else { + jQuery.atmosphere.executeWebSocket(); + } + } + } + , + + unload: function (arg) { + if (window.addEventListener) { + document.addEventListener('unload', arg, false); + window.addEventListener('unload', arg, false); + } else { // IE + document.attachEvent('onunload', arg); + window.attachEvent('onunload', arg); + } + } + , + + kill_load_bar : function() { + if (jQuery.atmosphere.killHiddenIFrame == null) { + jQuery.atmosphere.killHiddenIFrame = document.createElement('iframe'); + var ifr = jQuery.atmosphere.killHiddenIFrame; + ifr.style.display = 'block'; + ifr.style.width = '0'; + ifr.style.height = '0'; + ifr.style.border = '0'; + ifr.style.margin = '0'; + ifr.style.padding = '0'; + ifr.style.overflow = 'hidden'; + ifr.style.visibility = 'hidden'; + } + document.body.appendChild(ifr); + ifr.src = 'about:blank'; + document.body.removeChild(ifr); + } + , + + log: function (level, args) + { + if (window.console) + { + var logger = window.console[level]; + if (typeof logger == 'function') + { + logger.apply(window.console, args); + } + } + } + , + + warn: function() + { + log('warn', arguments); + } + , + + + info :function() + { + if (logLevel != 'warn') + { + log('info', arguments); + } + } + , + + debug: function() + { + if (logLevel == 'debug') + { + log('debug', arguments); + } + } + } + +} + ();
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