lainchan/js/auto-reload.js

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/*
* auto-reload.js
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* https://github.com/savetheinternet/Tinyboard/blob/master/js/auto-reload.js
*
* Brings AJAX to Tinyboard.
*
* Released under the MIT license
* Copyright (c) 2012 Michael Save <savetheinternet@tinyboard.org>
*
* Usage:
* $config['additional_javascript'][] = 'js/jquery.min.js';
* $config['additional_javascript'][] = 'js/auto-reload.js';
*
*/
$(document).ready(function(){
if($('div.banner').length == 0)
return; // not index
if($(".post.op").size() != 1)
return; //not thread page
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var poll_interval;
var end_of_page = false;
var orig_title = document.title;
var new_posts = 0;
var first_new_post = null;
var update_title = function() {
document.title = (new_posts ? "("+new_posts+") " : "") + orig_title;
};
var window_active = true;
$(window).focus(function() {
window_active = true;
recheck_activated();
});
$(window).blur(function() {
window_active = false;
});
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var recheck_activated = function() {
if (new_posts && window_active &&
$(window).scrollTop() + $(window).height() >=
$(first_new_post).position().top) {
new_posts = 0;
}
update_title();
};
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var poll = function() {
$.ajax({
url: document.location,
success: function(data) {
$(data).find('div.post.reply').each(function() {
var id = $(this).attr('id');
if($('#' + id).length == 0) {
if (!new_posts) {
first_new_post = this;
}
$(this).insertAfter($('div.post:last').next()).after('<br class="clear">');
new_posts++;
$(document).trigger('new_post', this);
recheck_activated();
}
});
}
});
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clearTimeout(poll_interval);
poll_interval = setTimeout(poll, end_of_page ? 3000 : 10000);
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};
$(window).scroll(function() {
recheck_activated();
if($(this).scrollTop() + $(this).height() <
$('div.post:last').position().top + $('div.post:last').height()) {
end_of_page = false;
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return;
}
clearTimeout(poll_interval);
poll_interval = setTimeout(poll, 100);
end_of_page = true;
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}).trigger('scroll');
poll_interval = setTimeout(poll, 3000);
});