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background.html
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background.html
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<html>
<head>
<script src="fancy-options/lib/store.js"></script>
<script>
// Global settings
var settings = null;
var deal_to_link = [];
// TODO: Probably should make a func out of this
var city_feed_objs = [
{
'city': 'honolulu',
'city_display': 'Honolulu, HI',
'feeds': [
{'title': 'Groupon', 'url': 'http://ajax.googleapis.com/ajax/services/feed/load?v=1.0&q=http://feeds.feedburner.com/grouponhonolulu'},
{'title': 'Living Social', 'url': 'http://ajax.googleapis.com/ajax/services/feed/load?v=1.0&q=http://livingsocial.com/cities/82-honolulu.atom'},
{'title': 'Hot Deals Hawaii', 'url': 'http://ajax.googleapis.com/ajax/services/feed/load?v=1.0&q=http://hotdealshawaii.com/rss/honolulu'},
{'title': 'Tippr', 'url':
'http://ajax.googleapis.com/ajax/services/feed/load?v=1.0&q=http://tippr.com/feed/tippr-honolulu/rss'}
]
},
{
'city': 'chicago',
'city_display': 'Chicago, IL',
'feeds': [
{'title': 'Groupon', 'url': 'http://ajax.googleapis.com/ajax/services/feed/load?v=1.0&q=http://feeds.feedburner.com/groupon'},
]
},
];
// Initialize
init();
run_background();
setInterval("run_background()", 3600000);
function init() {
var city_key = 'honolulu';
if (settings != null) {
var city_key = settings.get('dealios-location');
}
settings = new Store("settings", {'dealios-location': city_key});
};
function get_user_city_feed_obj() {
var city_key = settings.get('dealios-location');
for (feed in city_feed_objs) {
if (city_key == city_feed_objs[feed]['city']) {
return city_feed_objs[feed];
}
}
return null;
};
function crawl_json_feed(url, callback) {
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function()
{
if (xhr.readyState == 4)
{
if (xhr.status == 200)
{
var json_response = JSON.parse(xhr.responseText);
callback(json_response);
}
else
{
callback(null);
}
}
};
xhr.open("GET", url, true);
xhr.send();
};
function add_deals_to_element(element)
{
for(deal_source in window.localStorage) {
if(deal_source != 'store.settings.dealios-location'){
var title = document.createElement('h3');
var title_text = document.createTextNode(deal_source);
title.appendChild(title_text);
element.appendChild(title);
var ul = document.createElement('ul');
var deal_titles = JSON.parse(window.localStorage.getItem(deal_source));
for (key in deal_titles) {
var title = deal_titles[key];
var li = document.createElement('li');
var link = document.createElement('a');
link.setAttribute('href', deal_to_link[title]);
link.setAttribute('target', '_blank');
var text = document.createTextNode(title);
link.appendChild(text);
li.appendChild(link);
ul.appendChild(li);
}
element.appendChild(ul);
}
}
};
function run_background()
{
var user_city_feed_obj = get_user_city_feed_obj();
var city_display = user_city_feed_obj.city_display;
var feeds = user_city_feed_obj.feeds;
for (feed in feeds) {
var deal_source = feeds[feed]['title'];
var url = feeds[feed]['url'];
// Closure
(function(deal_source, url) {
crawl_json_feed(url,
function(response) {
var entries = response.responseData.feed.entries;
store_deal(deal_source, entries);
}
);
})(deal_source, url);
}
}
function store_deal(deal_source, entries)
{
var deal_titles = JSON.parse(localStorage.getItem(deal_source));
if (deal_titles == null) {
var deal_titles = [];
}
var current_deal_titles = [];
for (index in entries) {
var title = entries[index].title;
var link = entries[index].link;
// If the deal doesn't exist, update the browser icon.
if (deal_titles.indexOf(title) == -1) {
chrome.browserAction.setIcon({"path" : "images/dealios22.png"});
}
current_deal_titles.push(title);
deal_to_link[title] = link;
}
window.localStorage.setItem(deal_source, JSON.stringify(current_deal_titles));
};
</script>
</head>
<body>
</body>
</html>