/** * simple mouse tracking v. 1.1.7 record mode (smt_record.js) * Release date: November 7th 2008 * * Copyleft (cc) 2006-2008 Luis Leiva. * see http://smt.speedzinemedia.com for more details * * License LGPL: http://www.opensource.org/licenses/lgpl-2.1.php * * This script is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License (LGPL) as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. */ (function(){ /* (smt) default options -------------------------------------------------- */ var smtOpt = { fps: 24, // tracking frequency, in frames per second recTime: 120, // tracking timeout, in seconds smtPath: "/smt", // Do NOT place a final slash (/) warn: false, // advice users or not warnText: "Your mouse movements are going to be logged.\nDo you agree?", disabled: Math.round(Math.random()) // random user selection: if true, (smt) in not initialized }; /* (smt) auxiliar functions ----------------------------------------------- */ var aux = { addEvent: function(obj, type, fn) { // thanks to John Resig if (obj.addEventListener) obj.addEventListener(type, fn, false); else if (obj.attachEvent) { obj["e"+type+fn] = fn; obj[type+fn] = function(){ obj["e"+type+fn](window.event) }; obj.attachEvent("on"+type, obj[type+fn]); } }, getWindowSize: function(dim) { var w = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; var h = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight; return (dim == "width") ? w : h; }, getBase: function(url) { // split url in dirs var paths = url.split("/"); // remove last element, so we do not have to worry about the query string (?var1=value1&var2=value2#anchor...) delete paths[(paths.length-1)]; // and we have the BASE href return paths.join("/"); }, roundTo: function(number,digits) { var exp = 100; // faster computation //var exp = Math.pow(10,digits); // this would be the correct way (slower) return Math.round(exp*number)/exp; } }; /* (smt) record system definition ----------------------------------------- */ var smtRec = { posX: 0, // init global aux vars posY: 0, i: 0, dr_h: 1, // data normalization dr_v: 1, w: aux.getWindowSize("width"), h: aux.getWindowSize("height"), coordsX: [], // store mouse X coords coordsY: [], // store mouse Y coords clicksX: [], // store click X coords clicksY: [], // store click Y coords clicksT: [], // store click time url: null, // document URI base: null, // document base path rec: null, // recording identifier pause: false, // check active window clicked: false, // no mouse click yet wktimer: null, // Webkit workaround timeout: smtOpt.fps*smtOpt.recTime, // session timeout /* METHODS */ pauseRecording: function() { smtRec.pause = true; }, continueRecording: function() { smtRec.pause = false; }, normalizeData: function() { var w = aux.getWindowSize("width"); var h = aux.getWindowSize("height"); // compute discrepace ratio smtRec.dr_h = Math.round(w / smtRec.w); smtRec.dr_v = Math.round(h / smtRec.h); // update new values smtRec.w = w; smtRec.h = h; }, getMousePos: function(e) { // thanks to Peter-Paul Koch if (!e) var e = window.event; if (e.pageX || e.pageY) { smtRec.posX = e.pageX; smtRec.posY = e.pageY; } else if (e.clientX || e.clientY) { smtRec.posX = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft; smtRec.posY = e.clientY + document.body.scrollTop + document.documentElement.scrollTop; } }, setClick: function() { /** * Double clicks are considered as single clicks (it's simpler and faster), because * the rate of the double click depends upon the settings of the operating system. */ smtRec.clicked = true; // time is computed in seconds smtRec.clicksT.push(aux.roundTo(smtRec.i/smtOpt.fps, 2)); //smtRec.clicksT.push(smtRec.i/smtOpt.fps); }, releaseClick: function() { smtRec.clicked = false; }, recMouse: function() { // track mouse only if window is active (has focus) if (smtRec.pause) return; // get mouse coords until timeout is reached if (smtRec.i < smtRec.timeout) { // get normalized coords var x = smtRec.dr_h * smtRec.posX; var y = smtRec.dr_v * smtRec.posY; // track mouse coords when they're inside the client window if (smtRec.posX && smtRec.posY) { smtRec.coordsX.push(x); smtRec.coordsY.push(y); // get mouse clicks if (!smtRec.clicked) { smtRec.clicksX.push(0); smtRec.clicksY.push(0); } else { smtRec.clicksX.push(x); smtRec.clicksY.push(y); } } } else { // timeout reached clearInterval(smtRec.rec); smtRec.rec = null; } smtRec.i++; }, sendData: function() { // compute total time session var time = aux.roundTo(smtRec.i/smtOpt.fps, 2); // exit if the user expended less than 1 second on the page, or there is not enough mouse data if (time < 1 || smtRec.coordsX.length < 2) { return; } // create AJAX object var ajax_obj = false; // current AJAX flavours var flavours = [ function() {return new XMLHttpRequest()}, function() {return new ActiveXObject("Msxml2.XMLHTTP")}, function() {return new ActiveXObject("Msxml3.XMLHTTP")}, function() {return new ActiveXObject("Microsoft.XMLHTTP")} ]; // check AJAX flavour for (var i=0; i<\/scr"+"ipt>"); var script = document.getElementById("__ie_onload"); script.onreadystatechange = function() { if (this.readyState == "complete") { smtRec.init(); } } } catch(e) {} } // old browsers use the window.onload event aux.addEvent(window, "load", smtRec.init); })();