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index.html
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index.html
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<!doctype html>
<html>
<head>
<title>Roulette for Reddit</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="Check out random subreddits with this fun app!">
<meta name="author" content="Cameron Brown">
<meta name="keywords" content="Reddit,Roulette,JavaScript,Game,Fun">
<style>
body {
margin: 0;
font-family: Arial, Helvetica, sans-serif;
font-size: 14px;
text-align: center;
}
#spinner {
pointer-events: none;
margin-top: 32px;
margin-bottom: 32px;
width: 360px;
height: 360px;
-webkit-animation: spin 2s linear infinite;
-moz-animation: spin 2s linear infinite;
-o-animation: spin 2s linear infinite;
animation: spin 2s linear infinite;
}
.noanimation {
-webkit-animation: none !important;
-moz-animation: none !important;
-o-animation: none !important;
animation: none !important;
}
@-moz-keyframes spin { 100% { -moz-transform: rotate(360deg); } }
@-webkit-keyframes spin { 100% { -webkit-transform: rotate(360deg); } }
@keyframes spin { 100% { -webkit-transform: rotate(360deg); transform:rotate(360deg); } }
#spin {
background-color: #ff4500;
border: 1px solid #ff4500;
padding: 8px 16px;
color: #fff;
font-size: 20px;
outline: 0;
transition: all 100ms ease-in-out;
margin-bottom: 24px;
}
#spin:hover {
background-color: #5f99cf;
border: 1px solid #cee3f8;
}
#result {
font-size: 42px;
padding-bottom: 4px;
}
#url {
font-size: 20px;
}
#container header {
background-color: #cee3f8;
font-size: 26px;
padding: 24px 0;
margin-bottom: 16px;
}
#container main {
background-color: #fff;
margin-bottom: 16px;
}
#container footer {
position: fixed;
bottom: 0;
left: 0;
right: 0;
width: 100%;
background-color: #eee;
padding: 16px 0;
}
#container footer a {
text-decoration: none;
color: #369;
padding-right: 8px;
}
</style>
</head>
<body>
<div id="container">
<header>
Roulette for Reddit
</header>
<main>
<img id="spinner" src="roulette_wheel.svg" class="noanimation">
<br>
<input id="spin" type="button" value="Spin the wheel!">
<div id="result">Selected Subreddit</div>
<div>
<a id="url" href="https://www.reddit.com/r/">https://www.reddit.com/r/..</a>
</div>
</main>
<footer>
<a href="https://www.github.com/thinkallabout/reddit-roulette" onclick="window.app.Analytics.sendOutboundClickEvent('http://www.example.com');">Get the source on GitHub</a>
<a href="https://www.twitter.com/thinkallabout" onclick="window.app.Analytics.sendOutboundClickEvent('https://www.twitter.com/thinkallabout');">Follow me on Twitter (@thinkallabout)</a>
</footer>
</div>
<script>
(function() {
'use strict';
// Global app namespace.
window.app = window.app || {};
/**
* Initialise the app.
*/
window.app.init = function() {
console.log('app.init');
window.app.UI.init();
window.app.UI.setLoading(true);
window.app.spinner = null;
window.app.API.init(function() {
window.app.UI.setSpinClicked(window.app.toggleSpinning);
window.app.UI.setLoading(false);
});
};
/**
* Toggles the spinning state.
*/
window.app.toggleSpinning = function() {
var isSpinning = window.app.isSpinning();
window.app.setSpinning(!isSpinning);
};
/**
* Set the app spinning.
*
* @param {boolean} isSpinning
*/
window.app.setSpinning = function(isSpinning) {
if(isSpinning) {
window.app.spinner = window.setInterval(window.app.spin, 50);
} else {
clearInterval(window.app.spinner);
window.app.spinner = null;
window.app.Analytics.sendSubredditChosenEvent(window.app.getCurrentSubreddit());
}
window.app.Analytics.sendWheelSpinEvent(isSpinning);
window.app.UI.setSpinning(isSpinning);
};
/**
* Get the currently selected subreddit.
*
* @returns {string} - subreddit
*/
window.app.getCurrentSubreddit = function() {
var subredditUrl = document.querySelector('#url');
var subreddit = subredditUrl.innerHTML;
window.app.Analytics.sendSubredditChosenEvent(subreddit);
};
/**
* Is the spinner active.
*
* @returns {boolean} - spinner state.
*/
window.app.isSpinning = function() {
return !(window.app.spinner == null || window.app.spinner == undefined);
};
/**
* Run each spin (every 50ms).
*/
window.app.spin = function() {
var newSubreddit = window.app.API.getRandom();
window.app.UI.setSubredditName(newSubreddit);
};
window.app.UI = (function() {
var ui = {};
var spinner = document.querySelector('#spinner');
var spinButton = document.querySelector('#spin');
var subredditText = document.querySelector('#result');
var subredditUrl = document.querySelector('#url');
ui.init = function() {
ui.setSpinning(false);
spinButton.addEventListener('click', ui.spinClicked);
subredditUrl.addEventListener('click', function(e) {
window.app.Analytics.sendSubredditClickEvent(e.target.href);
});
};
var spinClickedCallback = null;
var SPIN_BUTTON_DEFAULT_VALUE = spinButton.defaultValue;
var SPIN_BUTTON_ACTIVE_VALUE = 'Stop!';
ui.spinClicked = function(e) {
if(spinClickedCallback != null) {
spinClickedCallback();
}
};
/**
* Set the callback for the spin button clicked.
*
* @param {object} callback
*/
ui.setSpinClicked = function(callback) {
spinClickedCallback = callback;
};
/**
* Set app loading ui.
*/
ui.setLoading = function(isLoading) {
if(isLoading) {
console.log('loading');
} else {
console.log('loaded');
}
};
/**
* Set the wheel spinning or not.
*
* @param {boolean} spinning.
*/
ui.setSpinning = function(isSpinning) {
if(isSpinning) {
spinButton.value = SPIN_BUTTON_ACTIVE_VALUE;
spinner.className = '';
} else {
spinButton.value = SPIN_BUTTON_DEFAULT_VALUE;
spinner.className = 'noanimation';
}
};
/**
* Set the wheel spinning or not.
*
* @param {string} subreddit - The name of the SubReddit.
*/
ui.setSubredditName = function(subreddit) {
var url = 'https://www.reddit.com/r/' + subreddit;
subredditText.innerHTML = '/r/' + subreddit;
subredditUrl.href = url;
subredditUrl.innerHTML = url;
};
return ui;
}());
window.app.Analytics = (function() {
var analytics = {};
analytics.sendSubredditChosenEvent = function(subreddit) {
ga('send', 'event', {
eventCategory: 'Subreddit',
eventAction: 'chosen',
eventLabel: subreddit
});
};
analytics.sendWheelSpinEvent = function(isSpinning) {
var action = '';
if(isSpinning) {
action = 'start';
} else {
action = 'stop';
}
ga('send', 'event', {
eventCategory: 'Roulette Wheel',
eventAction: action,
eventLabel: 'Wheel Spin'
});
};
analytics.sendSubredditClickEvent = function(href) {
ga('send', 'event', {
eventCategory: 'Outbound Link (Subreddit)',
eventAction: 'click',
eventLabel: href,
transport: 'beacon'
});
};
analytics.sendOutboundClickEvent = function(href) {
ga('send', 'event', {
eventCategory: 'Outbound Link',
eventAction: 'click',
eventLabel: href,
transport: 'beacon'
});
};
return analytics;
}());
window.app.API = (function() {
var api = {};
var subreddits = [];
api.init = function(readyCallback, errorCallback) {
api.load(function(resp) {
subreddits = resp.split(',');
for(var i = 0; i < subreddits.length; i++) {
var sub = subreddits[i];
subreddits[i] = sub.replace(/\n|\r/g, "");
console.log(subreddits[i]);
}
readyCallback();
}, errorCallback);
};
/**
* Executes an XMLHttpRequest to the network and retrieves
* the subreddits CSV.
*/
api.load = function(doneCallback, errorCallback) {
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == XMLHttpRequest.DONE) {
if (xmlhttp.status == 200) {
doneCallback(xmlhttp.responseText);
} else {
errorCallback();
}
}
};
xmlhttp.open('GET', 'subreddits.csv', true);
xmlhttp.send();
};
api.getRandom = function() {
var rand = Math.floor(Math.random() * subreddits.length);
return subreddits[rand];
};
return api;
}());
document.addEventListener('DOMContentLoaded', function() {
window.app.init();
});
})(window);
</script>
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-11213581-13', 'auto');
ga('send', 'pageview');
</script>
</body>
</html>