blinker / firefox.plugin / data / eyetracker / eyetribe / eyeTribe.js @ 76dd22bd
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/*
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* Copyright 2015 Thies Pfeiffer and Dimitri Heil and Kevin Taron
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* Blinker is distributed under the terms of the GNU General Public License
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*
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* This file is part of Blinker.
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*
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* Blinker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Blinker is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Blinker. If not, see <http://www.gnu.org/licenses/>.
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*/
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var eyeTribe = {
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/*
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* set eyetribe calibration parameters according to the current browser-window size.
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*/
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setCalibrationParameters: function() { |
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//console.log("eyeTribe.js :: "+"setCalibrationParameters()" );
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gc_left = window.innerWidth * 0.2;
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gc_right = window.innerWidth - gc_left; |
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gc_top = window.innerHeight * 0.2;
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gc_bottom = window.innerHeight - gc_top; |
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//console.log("Setting calibration parameters...");
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topRow = Math.round(distanceFromBorder); |
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//console.log("top row at: "+topRow);
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midRow = Math.round(window.innerHeight - (window.innerHeight / 2));
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//console.log("mid row at: "+midRow);
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bottomRow = Math.round(window.innerHeight - distanceFromBorder); |
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//console.log("bottom row at: "+bottomRow);
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leftCol = Math.round(distanceFromBorder); |
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//console.log("left col at: "+leftCol);
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midCol = Math.round(window.innerWidth - (window.innerWidth / 2));
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//console.log("mid col at: "+midCol);
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rightCol = Math.round(window.innerWidth - distanceFromBorder); |
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//console.log("right col at: "+rightCol);
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while (calibrationArray.length > 0) { |
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calibrationArray.pop(); |
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} |
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calibrationArray[0] = {
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x: leftCol,
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y: midRow
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}; //midleft
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calibrationArray[1] = {
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x: rightCol,
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y: bottomRow
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}; //bottomright
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calibrationArray[2] = {
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x: midCol,
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y: topRow
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}; //midtop
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calibrationArray[3] = {
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x: leftCol,
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y: bottomRow
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}; //bottomleft
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calibrationArray[4] = {
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x: rightCol,
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y: midRow
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}; //midright
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calibrationArray[5] = {
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x: leftCol,
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y: topRow
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}; //topleft
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calibrationArray[6] = {
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x: midCol,
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y: bottomRow
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}; //midbottom
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calibrationArray[7] = {
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x: rightCol,
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y: topRow
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}; //topright
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calibrationArray[8] = {
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x: midCol,
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y: midRow
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}; //center
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}, |
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/*
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* call a message parser according to the messages' content
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*/
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parseMessage: function(message) { |
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//console.log("eyeTribe.js :: "+"parseMessage()" +", message:" + message );
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try {
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eyeTrackingData = JSON.parse(message); |
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if (eyeTrackingData.hasOwnProperty("statuscode")) { |
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waitingForResponse = false;
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if (eyeTrackingData.statuscode != 200) { |
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eyeTribe["parseError"](eyeTrackingData);
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} |
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} |
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switch (eyeTrackingData.category) {
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case "tracker": |
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eyeTribe["parseTracker"](eyeTrackingData);
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break;
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case "calibration": |
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//console.log("eyeTribe.js :: "+"parseMessage()" +", message:" + message );
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eyeTribe["parseCalibration"](eyeTrackingData);
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break;
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case "heartbeat": |
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eyeTribe["parseHeartbeat"](eyeTrackingData);
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break;
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default:
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break;
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} |
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} catch (e) {
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console.log("error in file:" + e.fileName);
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console.log("error at line:" + e.lineNumber);
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console.log("error:" + e);
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console.log("error at message:" + message);
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} |
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}, |
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/*
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* parse a eyetribe message with type: 'tracker'
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*/
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parseTracker: function(eyeTrackingData) { |
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//console.log("eyeTribe.js :: "+"parseTracker()" +", eyeTrackingData:" + eyeTrackingData );
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try {
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switch (eyeTrackingData.request) {
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case "get": |
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if (eyeTrackingData.values.trackerstate == 0) { |
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//console.log(JSON.stringify(eyeTrackingData));
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eyeTrackerIsCalibrated = eyeTrackingData.values.iscalibrated; |
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eyeTrackerIsCalibrating = eyeTrackingData.values.iscalibrating; |
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calibrationResult = eyeTrackingData.values.calibresult; |
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if (firstRun) {
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firstRun = false;
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if (eyeTrackerIsCalibrating){
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eyeTribe["abortRunningCalibration"]();
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} |
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eyeTribe["setTrackerSettings"]();
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} |
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} |
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if (eyeTrackerIsCalibrating) {
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if (eyeTrackingData.values.hasOwnProperty("frame")) { |
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if ((eyeTrackingData.values.frame.lefteye.psize == 0) || (eyeTrackingData.values.frame.righteye.psize == 0)) { |
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//$("#calibrationImage").css("display", "none");
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//window.clearTimeout(calibrationTimer);
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//startCalibrationPointTimer();
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} else {
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//console.log("calibimage___________________________________________________");
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if ( $("#calibration_blackout" ).css("display") == "block"){ |
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$("#calibrationImage").css("display", "block"); |
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} |
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} |
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} |
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} |
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if (eyeTrackerIsCalibrated) {
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if (eyeTrackingData.hasOwnProperty('values')) { |
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if (eyeTrackingData.values.hasOwnProperty("frame")) { |
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//if new fixation status does not match the existing one
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if (gazeInformation.isFixation != eyeTrackingData.values.frame.fix) {
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//if the new status is TRUE
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if (eyeTrackingData.values.frame.fix == true) { |
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//set the startpoint for the fixation to get the fixationduration
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//gazeInformation.fixationStart = Date.now();
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} |
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} |
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if (blickBrowserSettings['eyeTribeAverage'] === true){ |
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avg = eyeTrackingData.values.frame.avg; |
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calcGazePosition('{"x":'+avg.x+',"y":'+avg.y+'}'); |
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} else if (blickBrowserSettings['eyeTribeAverage'] === false) { |
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raw = eyeTrackingData.values.frame.raw; |
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calcGazePosition('{"x":'+raw.x+',"y":'+raw.y+'}'); |
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} |
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} |
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} |
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} |
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if (eyeTrackerIsCalibrating == false && eyeTrackerIsCalibrated == false){ |
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eyeTribe["initiateCalibration"]();
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} |
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/*else {
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if (eyeTrackerIsCalibrating == false){
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eyeTribe["initiateCalibration"]();
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}
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}*/
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break;
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case "set": |
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if (eyeTrackingData.hasOwnProperty('statuscode')) { |
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//console.log(JSON.stringify(eyeTrackingData));
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} |
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break;
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default:
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break;
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} |
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} catch (e) {
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console.log("error at line:" + e.lineNumber);
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console.log("error:" + e);
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console.log("error at message:" + message);
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} |
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}, |
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parseError: function(eyeTrackingData) { |
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//console.log(JSON.stringify(eyeTrackingData));
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}, |
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/*
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* Parse message of type: calibration
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*/
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parseCalibration: function(eyeTrackingData) { |
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//console.log("eyeTribe.js :: "+"parseCalibration()" +", eyeTrackingData:" + JSON.stringify(eyeTrackingData) );
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try {
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switch (eyeTrackingData.request) {
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case "clear": |
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if (eyeTrackingData.statuscode == 200) { |
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console.log("Calibration cleared successfully.");
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eyeTrackerIsCalibrated = false;
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eyeTribe["initiateCalibration"]();
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//eyeTribe["getTrackerStatus"]();
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} else {
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console.log("Calibration NOT cleared: "+JSON.stringify(eyeTrackingData));
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} |
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break;
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case "abort": |
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if (eyeTrackingData.statuscode == 200) { |
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console.log("Running calibration aborted");
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eyeTrackerIsCalibrating = false;
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//eyeTribe["initiateCalibration"]();
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eyeTribe["getTrackerStatus"]();
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} else {
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//console.log("Calibration NOT aborted: "+JSON.stringify(eyeTrackingData));
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eyeTribe["getTrackerStatus"]();
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} |
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break;
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case "start": |
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if (eyeTrackingData.statuscode == 200) { |
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eyeTribe["getTrackerStatus"]();
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calibrationPointNumber = 0;
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calibrationStart = Date.now(); |
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eyeTribe["sendCalibrationPoint"](calibrationArray[calibrationPointNumber].x, calibrationArray[calibrationPointNumber].y);
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calibrationPointNumber++; |
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} else {
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//console.log("Calibration NOT started: "+JSON.stringify(eyeTrackingData));
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} |
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break;
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case "pointstart": |
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if (eyeTrackingData.statuscode == 200) { |
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eyeTribe["startCalibrationPointTimer"]();
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} else {
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//console.log("Pointstart NOT initiated: "+JSON.stringify(eyeTrackingData));
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} |
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break;
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case "pointend": |
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if (eyeTrackingData.statuscode == 200) { |
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if ((calibrationPointNumber == 9) && (eyeTrackingData.hasOwnProperty('values'))) { |
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var calibPoints = eyeTrackingData.values.calibresult.calibpoints;
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for (var c = 0; c < 9; c++) { |
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//console.log("Point " + c + " state : " + calibPoints[c].state);
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if (calibPoints[c].state != "2") { |
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//console.log("Calibrationpoint " + c + " was bad - putting it into recalibrationArray.");
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recalibrationArray.push({
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x: calibPoints[c].cp.x,
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y: calibPoints[c].cp.y
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}); |
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} |
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} |
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//console.log("Calibrationresult is: " + eyeTrackingData.values.calibresult.result);
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if (eyeTrackingData.values.calibresult.result == false) { |
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//console.log("Calibration was not successful recalibration of " + recalibrationArray.length + " point(s) needed.");
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for (var r = 0; r < recalibrationArray.length; r++) { |
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//console.log("Sending Point for recalibration: " + recalibrationArray[r]);
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eyeTribe["sendCalibrationPoint"](recalibrationArray[r].x, recalibrationArray[r].y);
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recalibrationArray.splice(r, 1);
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} |
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} else {
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calibrationResult = eyeTrackingData.values.calibresult; |
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//alert("Kalibrierung war erfolgreich!");
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$("#testingInformation").html($("#testingInformation").html()+"Calibration Duration: " + (Date.now() - calibrationStart)+"<br />"); |
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$("#testingInformation").html($("#testingInformation").html()+"Calibration Result: " + calibrationResult.deg+"<br />"); |
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console.log("Calibration Duration: " + (Date.now() - calibrationStart));
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console.log("Calibration Accuracy: " + calibrationResult.deg );
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$('body').css("overflowX",overflowXBeforeCalibration); |
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$('body').css("overflowY",overflowYBeforeCalibration); |
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$("#calibration_blackout").css("display", "none"); |
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$("#calibrationImage").css("display", "none"); |
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$("#calibrationImage").css("left", "-2000px"); |
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gazeCorrectionPointNr = 0;
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if (blickBrowserSettings.checkCalibration){
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checkCalibration(); |
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} |
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if (!blickBrowserSettings.checkCalibration){
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if (calibrationResult.deg < 0.5) { |
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showNotification('star',"Calibration result: Very Good 5/5 stars.<br /><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i>"); |
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} else if (calibrationResult.deg < 0.7) { |
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showNotification('star',"Calibration result: Good 4/5 stars.<br /><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i>"); |
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} else if (calibrationResult.deg < 1) { |
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showNotification('star',"Calibration result: Moderate 3/5 stars.<br /><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i>"); |
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} else if (calibrationResult.deg < 1.5) { |
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showNotification('star',"Calibration result: Not good 2/5 stars.<br /><i class=\"fa fa-star\"></i><i class=\"fa fa-star\"></i>"); |
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} else if (calibrationResult.deg >= 1.5) { |
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showNotification('star',"Calibration result: Bad 1/5 stars.<br /><i class=\"fa fa-star\"></i>"); |
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} |
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} |
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//bring settings to front
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//$("#settings").css("zIndex", 16777273);
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eyeTribe["getTrackerStatus"]();
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} |
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} else if (calibrationPointNumber < 9) { |
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eyeTribe["sendCalibrationPoint"](calibrationArray[calibrationPointNumber].x, calibrationArray[calibrationPointNumber].y);
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calibrationPointNumber++; |
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} |
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} else {
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//console.log("Pointend error: "+eyeTrackingData);
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} |
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break;
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default:
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break;
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} |
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} catch (e) {
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console.log("error at line:" + e.lineNumber);
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console.log("error:" + e);
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console.log("error at message:" + message);
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} |
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}, |
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parseHeartbeat: function(eyeTrackingData) { |
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try {
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} catch (e) {
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console.log("error at line:" + e.lineNumber);
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console.log("error:" + e);
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console.log("error at message:" + message);
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} |
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}, |
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sendMessageToTracker: function(message) { |
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//console.log("eyeTribe.js :: "+"sendMessageToTracker()" +", message:" + message );
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self.port.emit("sendToTracker", message);
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waitingForResponse = true;
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}, |
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startCalibration: function() { |
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if (window.mozInnerScreenX < 5 && window.mozInnerScreenY < 5) { |
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//console.log("fullscreeen");
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eyeTribe["setCalibrationParameters"]();
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$("#calibration_blackout").css("display", "block"); |
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//move settings to back
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//$("#settings").css("zIndex", 0);
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//console.log("Starting calibration");
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overflowXBeforeCalibration = $('body').css("overflowX"); |
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overflowYBeforeCalibration = $('body').css("overflowY"); |
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window.scroll(0,0); |
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$('body').css("overflow","hidden"); |
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//console.log("overflowXBeforeCalibrationw: "+overflowXBeforeCalibration);
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//console.log("overflowYBeforeCalibrationw: "+overflowYBeforeCalibration);
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$("#calibrationImage").css("display", "block"); |
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if (!calibrationRequestSent) {
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if (showFollowMeMessageAtCalibration) {
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$("#calibrationImage").notify("Follow Me!"); |
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showFollowMeMessageAtCalibration = false;
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} |
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setTimeout(function() {
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eyeTribe["sendCalibrationRequest"](9); |
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},4000);
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calibrationRequestSent = true;
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} |
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setTimeout(function() {
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$.notify("3"); |
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setTimeout(function() {
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$.notify("2"); |
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setTimeout(function() {
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$.notify("1"); |
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}, 3000);
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}, 2000);
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}, 1000);
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} else {
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if (showFullscreenMessageForCalibration){
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$.notify("The Eyetracker is not calibrated.", {autoHide: true, className: 'error'}); |
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$.notify("Please make sure that the browser is in FullScreen Mode (F11) \n and topBars are not visible to make sure \n the calibration can be initiated.", {autoHide: true, className: 'error'}); |
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showFullscreenMessageForCalibration = false;
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} |
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} |
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}, |
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sendCalibrationRequest: function(points) { |
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console.log("send calibration request to tracker");
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eyeTribe["sendMessageToTracker"]("{\"category\":\"calibration\",\"request\":\"start\",\"values\":{\"pointcount\": " + points + "}}"); |
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}, |
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sendCalibrationPoint: function(x, y) { |
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$("#calibrationImage").css("display", "block"); |
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$("#calibrationImage").animate({ |
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left: "+" + (x - calibrationIconSizeHalf), |
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top: "+" + (y - calibrationIconSizeHalf) |
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}, 750);
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console.log("message:" + "{'category':'calibration','request':'pointstart','values':{'x': " + x + ",'y':" + y + "}}"); |
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setTimeout(function() {
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eyeTribe["sendMessageToTracker"]("{\"category\":\"calibration\",\"request\":\"pointstart\",\"values\":{\"x\": " + x + ",\"y\":" + y + "}}"); |
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}, 700);
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}, |
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sendCalibrationPointend:function() { |
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console.log("Sending Calibration Pointend.");
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eyeTribe["sendMessageToTracker"]("{\"category\":\"calibration\",\"request\":\"pointend\"}"); |
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}, |
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startCalibrationPointTimer:function() { |
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console.log("Started PointCounter.");
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calibrationTimer = setTimeout(function() {
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eyeTribe["sendCalibrationPointend"]();
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}, 3000);
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}, |
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clearCurrentCalibration:function() { |
| 460 |
eyeTribe["sendMessageToTracker"]("{\"category\":\"calibration\",\"request\":\"clear\"}"); |
| 461 |
}, |
| 462 |
abortRunningCalibration:function() { |
| 463 |
eyeTribe["sendMessageToTracker"]("{\"category\":\"calibration\",\"request\":\"abort\"}"); |
| 464 |
}, |
| 465 |
getTrackerStatus:function() { |
| 466 |
var preferences =
|
| 467 |
'{"category": "tracker",' + '"request": "get",' + '"values": [' + '"push",' + '"heartbeatinterval",' + '"version",' + '"trackerstate",' + '"framerate",' + '"iscalibrated",' + '"iscalibrating",' + '"calibresult",' + '"frame",' + '"screenindex",' + '"screenresw",' + '"screenresh",' + '"screenpsyw",' + '"screenpsyh"]' + '}' |
| 468 |
eyeTribe["sendMessageToTracker"](preferences);
|
| 469 |
}, |
| 470 |
setTrackerSettings:function() { |
| 471 |
var preferences =
|
| 472 |
'{"category": "tracker",' + '"request": "set",' + '"values": {' + '"push":true,' + '"version":1,' + '"screenindex":0,' + '"screenresw":' + screen.width + ',' + '"screenresh":' + screen.height + ',' + '"screenpsyw":0.' + blickBrowserSettings['physicalScreenWidth'] + ',' + '"screenpsyh":0.' + blickBrowserSettings['physicalScreenHeight'] + '}' + '}' |
| 473 |
console.log(preferences); |
| 474 |
eyeTribe["sendMessageToTracker"](preferences);
|
| 475 |
}, |
| 476 |
initiateCalibration:function(){ |
| 477 |
|
| 478 |
if (eyeTrackerIsCalibrating) {
|
| 479 |
eyeTribe["abortRunningCalibration"]();
|
| 480 |
} |
| 481 |
if (eyeTrackerIsCalibrated) {
|
| 482 |
eyeTribe["clearCurrentCalibration"]();
|
| 483 |
} |
| 484 |
if (firstRun == false && eyeTrackerIsCalibrated == false && eyeTrackerIsCalibrating == false) { |
| 485 |
//document.getElementById('calibrate').checked = false;
|
| 486 |
eyeTribe["startCalibration"]();
|
| 487 |
} |
| 488 |
} |
| 489 |
} |