GazeTK

/*

 * Copyright 2015 Thies Pfeiffer and Dimitri Heil and Kevin Taron

 * Blinker is distributed under the terms of the GNU General Public License

 * 

 * This file is part of Blinker.

 * 

 * Blinker is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 * 

 * Blinker is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with Blinker. If not, see <http://www.gnu.org/licenses/>.

 */

var websocket = new WebSocket('ws://localhost:6777');

websocket.onmessage = function(evt) { messageReceived(evt); };

websocket.onopen = function(evt) { conReady(); };

websocket.onerror = function(evt) { onError(evt); };

function disconnect(){

    websocket.close();

}

function onError(evt) {

        console.log("An error occured in the websocket.html - is the WebSocket Server running?");

}

function messageReceived(evt) {        

        addon.port.emit('eyeTrackerData',evt.data);       

}

function conReady() {

        console.log("connection established");

        try{

                        sendMessage("TYPE:browser");

                } catch (err){

                        console.log("Error in Websocket Page-Worker: "+err.name);

                }

        console.log("adding port listener");

        addon.port.on("toEyetracker",function (message){

                //console.log("websocket.html sending to websocketserver: "+message);

                try{

                        sendMessage(message);

                } catch (err){

                        console.log("Error in Websocket Page-Worker: "+err.name);

                }

        });

addon.port.on("disconnect",function (){

                console.log("websocket.html disconnecting: ");

                try{

                        disconnect();

                } catch (err){

                        console.log("Error in Websocket Page-Worker: "+err.name);

                }

        });

        addon.port.emit('conReady',"ready");

        websocket.send("HI.");

}

function sendMessage(message){

    websocket.send(message);

}