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index.html
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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Remote Preview</title>
<meta name="apple-mobile-web-app-title" content="Remote">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="apple-touch-icon-precomposed" href="apple-touch-icon-precomposed.png">
<style>
* {
margin: 0;
padding: 0;
border: 0;
}
html, body {
height: 100%;
}
body {
position: relative;
}
iframe {
position: absolute;
height: 101.5%; /* Fixes the bottom margin on IE9 Mobile */
width: 100%;
left: 0;
top: 0;
}
</style>
<script src="jquery.js"></script>
<script>
/*global $ */
/**
* Check if it's an URL.
* @return boolean
*/
function isUrl(url) {
var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;
return regexp.test(url);
}
function isAndroidEmulator() {
return window.location.href.match('10.0.2.2');
}
function sanitizeUrl(url) {
var sanitizedUrl;
if(isAndroidEmulator() && url.match(/localhost/i)) {
sanitizedUrl = url.split('localhost').join('10.0.2.2');
} else {
sanitizedUrl = url;
}
return sanitizedUrl;
}
// Poll URLs.
function remotePreview() {
$.ajax({
url: 'url.txt',
cache: false,
timeout: 100000,
dataType: 'text',
success: function (data) {
// Remove whitespace from the beginning and end
var newUrl = $.trim(data);
// Check URL against regexp and stop if false
if (!isUrl(newUrl)) {
setTimeout(remotePreview, 1100);
console.log('error: there seems to be some errors in the URL');
return;
}
newUrl = sanitizeUrl(newUrl);
// If there is a new valid URL
if ($('iframe').attr('src') !== newUrl) {
$('iframe').attr('src', newUrl);
}
// Watch for changes
setTimeout(remotePreview, 1100);
},
error: function (jqXHR, textStatus, errorThrown) {
/*jslint unparam: true */
setTimeout(remotePreview, 2000);
console.log('error: ' + textStatus + ', ' + errorThrown);
}
});
}
$(remotePreview);
</script>
</head>
<body>
<iframe src="http://h4kyJlNpMcZtxgaXlu1ifC.com" frameborder="0" scrolling="yes" marginheight="0" marginwidth="0"></iframe>
</body>
</html>