Finalize functionality.

Add start/stop/reset buttons.

Tidy up the interactions between the view and the stopwatch model.

Add CSS styles.

app.js

@@ -1,6 +1,7 @@
 var express = require('express'),
-    app = express.createServer(express.logger()),
-    io = require('socket.io').listen(app),
+    app = module.exports = express.createServer(express.logger()),
+    io = require('socket.io').listen(app);
+    Stopwatch = require('./models/stopwatch'),
     routes = require('./routes');
 
 // Configuration
@@ -25,26 +26,44 @@ app.configure('production', function() {
 // Heroku won't actually allow us to use WebSockets
 // so we have to setup polling instead.
 // https://devcenter.heroku.com/articles/using-socket-io-with-node-js-on-heroku
-// io.configure(function () { 
-//   io.set("transports", ["xhr-polling"]); 
-//   io.set("polling duration", 10); 
-// });
+io.configure(function () { 
+  io.set("transports", ["xhr-polling"]); 
+  io.set("polling duration", 10); 
+});
 
 // Routes
 
-var port = process.env.PORT || 5000; // Use the port that Heroku provides or default to 5000
+// Use the port that Heroku provides or default to 5000
+var port = process.env.PORT || 5000; 
 app.listen(port, function() {
   console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);
 });
 
 app.get('/', routes.index);
 
-var status = "All is well.";
+var stopwatch = new Stopwatch();
+stopwatch.on('tick:stopwatch', function(time) {
+  io.sockets.emit('time', { time: time });
+});
+
+stopwatch.on('reset:stopwatch', function(time) {
+  io.sockets.emit('time', { time: time });
+});
+
+stopwatch.start();
 
 io.sockets.on('connection', function (socket) {
-  io.sockets.emit('status', { status: status }); // note the use of io.sockets to emit but socket.on to listen
-  socket.on('reset', function (data) {
-    status = "War is imminent!";
-    io.sockets.emit('status', { status: status });
+  io.sockets.emit('time', { time: stopwatch.getTime() });
+
+  socket.on('click:start', function () {
+    stopwatch.start();
+  });
+  
+  socket.on('click:stop', function () {
+    stopwatch.stop();
+  });
+
+  socket.on('click:reset', function () {
+    stopwatch.reset();
   });
 });

models/stopwatch.js

@@ -0,0 +1,105 @@
+var util    = require('util'),
+    events  = require('events')
+    _       = require('underscore');
+
+// ---------------------------------------------
+// Constructor
+// ---------------------------------------------
+function Stopwatch() {
+    if(false === (this instanceof Stopwatch)) {
+        return new Stopwatch();
+    }
+
+    this.hour = 3600000;
+    this.minute = 60000;
+    this.second = 1000;
+    this.time = this.hour;
+    this.interval = undefined;
+
+    events.EventEmitter.call(this);
+
+    // Use Underscore to bind all of our methods
+    // to the proper context
+    _.bindAll(this);
+};
+
+// ---------------------------------------------
+// Inherit from EventEmitter
+// ---------------------------------------------
+util.inherits(Stopwatch, events.EventEmitter);
+
+// ---------------------------------------------
+// Methods
+// ---------------------------------------------
+Stopwatch.prototype.start = function() {
+    if (this.interval) {
+        return;
+    }
+
+    console.log('Starting Stopwatch!');
+    // note the use of _.bindAll in the constructor
+    // with bindAll we can pass one of our methods to
+    // setInterval and have it called with the proper 'this' value
+    this.interval = setInterval(this.onTick, this.second);
+    this.emit('start:stopwatch');
+};
+
+Stopwatch.prototype.stop = function() {
+    console.log('Stopping Stopwatch!');
+    if (this.interval) {
+        clearInterval(this.interval);
+        this.interval = undefined;
+        this.emit('stop:stopwatch');
+    }
+};
+
+Stopwatch.prototype.reset = function() {
+    console.log('Resetting Stopwatch!');
+    this.time = this.hour;
+    this.emit('reset:stopwatch', this.formatTime(this.time));
+};
+
+Stopwatch.prototype.onTick = function() {
+    this.time -= this.second;
+
+    var formattedTime = this.formatTime(this.time);
+    this.emit('tick:stopwatch', formattedTime);
+    
+    if (this.time === 0) {
+        this.stop();
+    }
+};
+
+Stopwatch.prototype.formatTime = function(time) {
+    var remainder = time,
+        numHours,
+        numMinutes,
+        numSeconds,
+        output = "";
+
+    numHours = String(parseInt(remainder / this.hour, 10));
+    remainder -= this.hour * numHours;
+    
+    numMinutes = String(parseInt(remainder / this.minute, 10));
+    remainder -= this.minute * numMinutes;
+    
+    numSeconds = String(parseInt(remainder / this.second, 10));
+    
+    output = _.map([numHours, numMinutes, numSeconds], function(str) {
+        if (str.length === 1) {
+            str = "0" + str;
+        }
+        return str;
+    }).join(":");
+
+    return output;
+};
+
+Stopwatch.prototype.getTime = function() {
+    return this.formatTime(this.time);
+};
+
+// ---------------------------------------------
+// Export
+// ---------------------------------------------
+module.exports = Stopwatch;

package.json

@@ -5,7 +5,8 @@
     "dependencies": {
       "express": "~2.5.8",
       "ejs": "~0.7.1",
-      "socket.io": "~0.9.6"
+      "socket.io": "~0.9.6",
+      "underscore": "~1.3.3"
   },
   "engines": {
     "node": "0.6.x"

public/css/main.css

@@ -1,8 +1,58 @@
-body {
-  padding: 50px;
-  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
+#wrapper {
+  width: 475px;
+  height: 171px;
+  margin: 100px auto;
 }
 
-a {
-  color: #00B7FF;
+#countdown {
+  font-family: 'Black Ops One', cursive;
+  font-size: 90px;
+}
+
+button.thoughtbot {
+  background-color: #ee432e;
+  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #ee432e), color-stop(50%, #c63929), color-stop(50%, #b51700), color-stop(100%, #891100));
+  background-image: -webkit-linear-gradient(top, #ee432e 0%, #c63929 50%, #b51700 50%, #891100 100%);
+  background-image: -moz-linear-gradient(top, #ee432e 0%, #c63929 50%, #b51700 50%, #891100 100%);
+  background-image: -ms-linear-gradient(top, #ee432e 0%, #c63929 50%, #b51700 50%, #891100 100%);
+  background-image: -o-linear-gradient(top, #ee432e 0%, #c63929 50%, #b51700 50%, #891100 100%);
+  background-image: linear-gradient(top, #ee432e 0%, #c63929 50%, #b51700 50%, #891100 100%);
+  border: 1px solid #951100;
+  -webkit-border-radius: 5px;
+  -moz-border-radius: 5px;
+  border-radius: 5px;
+  -webkit-box-shadow: inset 0px 0px 0px 1px rgba(255, 115, 100, 0.4), 0 1px 3px #333333;
+  -moz-box-shadow: inset 0px 0px 0px 1px rgba(255, 115, 100, 0.4), 0 1px 3px #333333;
+  box-shadow: inset 0px 0px 0px 1px rgba(255, 115, 100, 0.4), 0 1px 3px #333333;
+  color: #fff;
+  font: bold 20px "helvetica neue", helvetica, arial, sans-serif;
+  line-height: 1;
+  padding: 12px 0 14px 0;
+  text-align: center;
+  text-shadow: 0px -1px 1px rgba(0, 0, 0, 0.8);
+  width: 150px;
+}
+
+button.thoughtbot:hover {
+  background-color: #f37873;
+  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #f37873), color-stop(50%, #db504d), color-stop(50%, #cb0500), color-stop(100%, #a20601));
+  background-image: -webkit-linear-gradient(top, #f37873 0%, #db504d 50%, #cb0500 50%, #a20601 100%);
+  background-image: -moz-linear-gradient(top, #f37873 0%, #db504d 50%, #cb0500 50%, #a20601 100%);
+  background-image: -ms-linear-gradient(top, #f37873 0%, #db504d 50%, #cb0500 50%, #a20601 100%);
+  background-image: -o-linear-gradient(top, #f37873 0%, #db504d 50%, #cb0500 50%, #a20601 100%);
+  background-image: linear-gradient(top, #f37873 0%, #db504d 50%, #cb0500 50%, #a20601 100%);
+  cursor: pointer;
+}
+
+button.thoughtbot:active {
+  background-color: #d43c28;
+  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #d43c28), color-stop(50%, #ad3224), color-stop(50%, #9c1500), color-stop(100%, #700d00));
+  background-image: -webkit-linear-gradient(top, #d43c28 0%, #ad3224 50%, #9c1500 50%, #700d00 100%);
+  background-image: -moz-linear-gradient(top, #d43c28 0%, #ad3224 50%, #9c1500 50%, #700d00 100%);
+  background-image: -ms-linear-gradient(top, #d43c28 0%, #ad3224 50%, #9c1500 50%, #700d00 100%);
+  background-image: -o-linear-gradient(top, #d43c28 0%, #ad3224 50%, #9c1500 50%, #700d00 100%);
+  background-image: linear-gradient(top, #d43c28 0%, #ad3224 50%, #9c1500 50%, #700d00 100%);
+  -webkit-box-shadow: inset 0px 0px 0px 1px rgba(255, 115, 100, 0.4);
+  -moz-box-shadow: inset 0px 0px 0px 1px rgba(255, 115, 100, 0.4);
+  box-shadow: inset 0px 0px 0px 1px rgba(255, 115, 100, 0.4);
 }

public/js/main.js

@@ -1,9 +1,17 @@
 var socket = io.connect(window.location.hostname);
 
-socket.on('status', function (data) {
-    $('#status').html(data.status);
+socket.on('time', function (data) {
+    $('#countdown').html(data.time);
+});
+
+$('#start').click(function() {
+    socket.emit('click:start');
+});
+
+$('#stop').click(function() {
+    socket.emit('click:stop');
 });
 
 $('#reset').click(function() {
-    socket.emit('reset');
+    socket.emit('click:reset');
 });

routes/index.js

@@ -1,3 +1,5 @@
+var app = require('../app');
+
 /*
  * GET home page.
  */

views/index.ejs

@@ -1,2 +1,6 @@
-<div id="status"></div>
-<button id="reset">Reset!</button>
+<div id="wrapper">
+    <div id="countdown"></div>
+    <button id="start" class="thoughtbot">Start</button>
+    <button id="stop" class="thoughtbot">Stop</button>
+    <button id="reset" class="thoughtbot">Reset</button>
+</div>

views/layout.ejs

@@ -2,7 +2,7 @@
 <html lang="en">
   <head>
     <meta charset="utf-8">
-    <title>Title</title>
+    <title>DEFCON</title>
     <meta name="description" content="">
     <meta name="author" content="">
 
@@ -14,6 +14,9 @@
     <!-- styles -->
     <link href="/css/main.css" rel="stylesheet">
 
+    <!-- fonts -->
+    <link href='http://fonts.googleapis.com/css?family=Black+Ops+One' rel='stylesheet' type='text/css'>
+
   </head>
   <body>
     <%- body %>