Created
March 10, 2014 17:14
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/* | |
* Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
* Use of this source code is governed by a BSD-style license that can be | |
* found in the LICENSE file. | |
*/ | |
/** | |
* Performs an XMLHttpRequest to Twitter's API to get trending topics. | |
* | |
* @param callback Function If the response from fetching url has a | |
* HTTP status of 200, this function is called with a JSON decoded | |
* response. Otherwise, this function is called with null. | |
*/ | |
function fetchTwitterFeed(callback) { | |
var xhr = new XMLHttpRequest(); | |
xhr.onreadystatechange = function(data) { | |
if (xhr.readyState == 4) { | |
if (xhr.status == 200) { | |
var data = JSON.parse(xhr.responseText); | |
callback(data); | |
} else { | |
callback(null); | |
} | |
} | |
} | |
// Note that any URL fetched here must be matched by a permission in | |
// the manifest.json file! | |
var url = 'https://gist.githubusercontent.com/itsbalamurali/9465080/raw/af362325fb307cb288b744bb28824bbad40e36b3/gistfile1.json'; | |
xhr.open('GET', url, true); | |
xhr.send(); | |
}; | |
/** | |
* Parses text from Twitter's API and generates a bar with trending topics at | |
* the top of the current page | |
* | |
* @param data Object JSON decoded response. Null if the request failed. | |
*/ | |
function onText(data) { | |
// Only render the bar if the data is parsed into a format we recognize. | |
if (data.trends) { | |
// Create the overlay at the top of the page and fill it with data. | |
var trends_dom = document.createElement('div'); | |
var title_dom = document.createElement('strong'); | |
title_dom.innerText = 'Trending on HackerNews'; | |
trends_dom.appendChild(title_dom); | |
for (var key in data.trends) { | |
for (var i=0,trend; trend = data.trends[key][i]; i++) { | |
var link_dom = document.createElement('a'); | |
link_dom.setAttribute('href', trend.url) | |
link_dom.innerText = trend.name; | |
link_dom.style.color = '#000'; | |
trends_dom.appendChild(document.createTextNode(' ')); | |
trends_dom.appendChild(link_dom); | |
} | |
break; | |
} | |
trends_dom.style.cssText = [ | |
'background-color: #f6f6ee;', | |
'color: #000;', | |
'padding: 10px;', | |
'font: 14px Arial;' | |
].join(' '); | |
document.body.style.cssText = 'position: relative'; | |
document.body.parentElement.insertBefore(trends_dom, document.body); | |
} | |
}; | |
fetchTwitterFeed(onText); | |
/* | |
var trends_dom = document.createElement('div'); | |
trends_dom.className = "divRss"; | |
$('#divRss').FeedEk({ | |
FeedUrl : 'https://news.ycombinator.com/rss', | |
MaxCount : 5, | |
ShowDesc : true, | |
//ShowPubDate:true, | |
DescCharacterLimit:100, | |
TitleLinkTarget:'_blank', | |
//DateFormat: 'MM/DD/YYYY', | |
//DateFormatLang:'en' | |
}); | |
document.body.parentElement.insertBefore(trends_dom, document.body); | |
*/ | |
/* | |
var trends_dom = document.createElement('div'); | |
trends_dom.className = "divRss"; | |
var $FeEDiV = $( "<img src='https://i.imgur.com/Q8037QQ.png'>" ); | |
$("#divRss").append($FeEDiV); | |
$(document).ready(function() { | |
$('#divRss').stickySidebar(); | |
}); | |
document.body.parentElement.insertBefore(trends_dom, document.body); | |
*/ |
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