var websocketStringMessageType = 0; var websocketIntMessageType = 1; var websocketBoolMessageType = 2; var websocketJSONMessageType = 4; var websocketMessagePrefix = "iris-websocket-message:"; var websocketMessageSeparator = ";"; var websocketMessagePrefixLen = websocketMessagePrefix.length; var websocketMessageSeparatorLen = websocketMessageSeparator.length; var websocketMessagePrefixAndSepIdx = websocketMessagePrefixLen + websocketMessageSeparatorLen - 1; var websocketMessagePrefixIdx = websocketMessagePrefixLen - 1; var websocketMessageSeparatorIdx = websocketMessageSeparatorLen - 1; var Ws = (function () { // function Ws(endpoint, protocols) { var _this = this; // events listeners this.connectListeners = []; this.disconnectListeners = []; this.nativeMessageListeners = []; this.messageListeners = {}; if (!window["WebSocket"]) { return; } if (endpoint.indexOf("ws") == -1) { endpoint = "ws://" + endpoint; } if (protocols != null && protocols.length > 0) { this.conn = new WebSocket(endpoint, protocols); } else { this.conn = new WebSocket(endpoint); } this.conn.onopen = (function (evt) { _this.fireConnect(); _this.isReady = true; return null; }); this.conn.onclose = (function (evt) { _this.fireDisconnect(); return null; }); this.conn.onmessage = (function (evt) { _this.messageReceivedFromConn(evt); }); } //utils Ws.prototype.isNumber = function (obj) { return !isNaN(obj - 0) && obj !== null && obj !== "" && obj !== false; }; Ws.prototype.isString = function (obj) { return Object.prototype.toString.call(obj) == "[object String]"; }; Ws.prototype.isBoolean = function (obj) { return typeof obj === 'boolean' || (typeof obj === 'object' && typeof obj.valueOf() === 'boolean'); }; Ws.prototype.isJSON = function (obj) { return typeof obj === 'object'; }; // // messages Ws.prototype._msg = function (event, websocketMessageType, dataMessage) { return websocketMessagePrefix + event + websocketMessageSeparator + String(websocketMessageType) + websocketMessageSeparator + dataMessage; }; Ws.prototype.encodeMessage = function (event, data) { var m = ""; var t = 0; if (this.isNumber(data)) { t = websocketIntMessageType; m = data.toString(); } else if (this.isBoolean(data)) { t = websocketBoolMessageType; m = data.toString(); } else if (this.isString(data)) { t = websocketStringMessageType; m = data.toString(); } else if (this.isJSON(data)) { //propably json-object t = websocketJSONMessageType; m = JSON.stringify(data); } else if (data !== null && typeof(data) !== "undefined" ) { // if it has a second parameter but it's not a type we know, then fire this: console.log("unsupported type of input argument passed, try to not include this argument to the 'Emit'"); } return this._msg(event, t, m); }; Ws.prototype.decodeMessage = function (event, websocketMessage) { //iris-websocket-message;user;4;themarshaledstringfromajsonstruct var skipLen = websocketMessagePrefixLen + websocketMessageSeparatorLen + event.length + 2; if (websocketMessage.length < skipLen + 1) { return null; } var websocketMessageType = parseInt(websocketMessage.charAt(skipLen - 2)); var theMessage = websocketMessage.substring(skipLen, websocketMessage.length); if (websocketMessageType == websocketIntMessageType) { return parseInt(theMessage); } else if (websocketMessageType == websocketBoolMessageType) { return Boolean(theMessage); } else if (websocketMessageType == websocketStringMessageType) { return theMessage; } else if (websocketMessageType == websocketJSONMessageType) { return JSON.parse(theMessage); } else { return null; // invalid } }; Ws.prototype.getWebsocketCustomEvent = function (websocketMessage) { if (websocketMessage.length < websocketMessagePrefixAndSepIdx) { return ""; } var s = websocketMessage.substring(websocketMessagePrefixAndSepIdx, websocketMessage.length); var evt = s.substring(0, s.indexOf(websocketMessageSeparator)); return evt; }; Ws.prototype.getCustomMessage = function (event, websocketMessage) { var eventIdx = websocketMessage.indexOf(event + websocketMessageSeparator); var s = websocketMessage.substring(eventIdx + event.length + websocketMessageSeparator.length + 2, websocketMessage.length); return s; }; // // Ws Events // messageReceivedFromConn this is the func which decides // if it's a native websocket message or a custom qws message // if native message then calls the fireNativeMessage // else calls the fireMessage // // remember iris gives you the freedom of native websocket messages if you don't want to use this client side at all. Ws.prototype.messageReceivedFromConn = function (evt) { //check if qws message var message = evt.data; if (message.indexOf(websocketMessagePrefix) != -1) { var event_1 = this.getWebsocketCustomEvent(message); if (event_1 != "") { // it's a custom message this.fireMessage(event_1, this.getCustomMessage(event_1, message)); return; } } // it's a native websocket message this.fireNativeMessage(message); }; Ws.prototype.OnConnect = function (fn) { if (this.isReady) { fn(); } this.connectListeners.push(fn); }; Ws.prototype.fireConnect = function () { for (var i = 0; i < this.connectListeners.length; i++) { this.connectListeners[i](); } }; Ws.prototype.OnDisconnect = function (fn) { this.disconnectListeners.push(fn); }; Ws.prototype.fireDisconnect = function () { for (var i = 0; i < this.disconnectListeners.length; i++) { this.disconnectListeners[i](); } }; Ws.prototype.OnMessage = function (cb) { this.nativeMessageListeners.push(cb); }; Ws.prototype.fireNativeMessage = function (websocketMessage) { for (var i = 0; i < this.nativeMessageListeners.length; i++) { this.nativeMessageListeners[i](websocketMessage); } }; Ws.prototype.On = function (event, cb) { if (this.messageListeners[event] == null || this.messageListeners[event] == undefined) { this.messageListeners[event] = []; } this.messageListeners[event].push(cb); }; Ws.prototype.fireMessage = function (event, message) { for (var key in this.messageListeners) { if (this.messageListeners.hasOwnProperty(key)) { if (key == event) { for (var i = 0; i < this.messageListeners[key].length; i++) { this.messageListeners[key][i](message); } } } } }; // // Ws Actions Ws.prototype.Disconnect = function () { this.conn.close(); }; // EmitMessage sends a native websocket message Ws.prototype.EmitMessage = function (websocketMessage) { this.conn.send(websocketMessage); }; // Emit sends an iris-custom websocket message Ws.prototype.Emit = function (event, data) { var messageStr = this.encodeMessage(event, data); this.EmitMessage(messageStr); }; return Ws; }());