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// ==UserScript==
// @name Cheezburger AutoPager
// @author ameboide
// @version 2013.07.27
// @namespace http://userscripts.org/scripts/show/96859
// @description Autoloads the next page as you scroll, and uses the arrows to move between posts. Works for the whole Cheezburger network, IPB and vBulletin forums, and some other wordpressish pages
// @include http://icanhascheezburger.com/*
// @include http://*.icanhascheezburger.com/*
// @include http://ihasahotdog.com/*
// @include http://*.ihasahotdog.com/*
// @include http://dailysquee.com/*
// @include http://*.dailysquee.com/*
// @include http://*.cheezburger.com/*
// @include http://myfoodlooksfunny.com/*
// @include http://*.myfoodlooksfunny.com/*
// @include http://somuchpun.com/*
// @include http://*.somuchpun.com/*
// @include http://roflrazzi.com/*
// @include http://*.roflrazzi.com/*
// @include http://totallylookslike.com/*
// @include http://*.totallylookslike.com/*
// @include http://musthavecute.com/*
// @include http://*.musthavecute.com/*
// @include http://ifshoescouldkill.com/*
// @include http://*.ifshoescouldkill.com/*
// @include http://itmademyday.com/*
// @include http://*.itmademyday.com/*
// @include http://punditkitchen.com/*
// @include http://*.punditkitchen.com/*
// @include http://lovelylisting.com/*
// @include http://*.lovelylisting.com/*
// @include http://wedinator.com/*
// @include http://*.wedinator.com/*
// @include http://failblog.org/*
// @include http://*.failblog.org/*
// @include http://hackedirl.com/*
// @include http://*.hackedirl.com/*
// @include http://poorlydressed.com/*
// @include http://*.poorlydressed.com/*
// @include http://thatwillbuffout.com/*
// @include http://*.thatwillbuffout.com/*
// @include http://ugliesttattoos.com/*
// @include http://*.ugliesttattoos.com/*
// @include http://upnextinsports.com/*
// @include http://*.upnextinsports.com/*
// @include http://memebase.com/*
// @include http://*.memebase.com/*
// @include http://memebaseafterdark.com/*
// @include http://thisisphotobomb.com/*
// @include http://*.thisisphotobomb.com/*
// @include http://verydemotivational.com/*
// @include http://*.verydemotivational.com/*
// @include http://graphjam.com/*
// @include http://*.graphjam.com/*
// @include http://senorgif.com/*
// @include http://*.senorgif.com/*
// @include http://pictureisunrelated.com/*
// @include http://*.pictureisunrelated.com/*
// @include http://comixed.com/*
// @include http://*.comixed.com/*
// @include http://artoftrolling.com/*
// @include http://*.artoftrolling.com/*
// @include http://chzemokid.wordpress.com/*
// @include http://thedailywh.at/*
// @include http://*.thedailywh.at/*
// @include http://tdwgeeks.wordpress.com/*
// @include http://www.fayerwayer.com/*
// @include http://*.porlaputa.com/*
// @include http://porlaputa.com/*
// @include https://porlaputa.com/*
// @include http://*/index.php?*showtopic=*
// @include http://jaidefinichon.com/*
// @include http://*/showthread.php?*
// @include http://userscripts.org/topics/*
// @include http://www.9gag.com/*
// @include http://9gag.com/*
// @include http://*/viewtopic.php?*
// @include http://plp.cl/*
// @include http://*.tumblr.com/*
// ==/UserScript==
var pagActual = document.location.href.match(/\/page\/(\d+)/);
if(!pagActual) pagActual = 1;
else pagActual = Number(pagActual[1]);
//wordpress...
function linknextWP(pag){
return '/page/'+(pagActual+1);
}
//ipb forums...
function linknextIPB(pag){
return pag.querySelector('a[title="Next page"]').href;
}
//vbulletin forums...
function linknextVB(pag){
return pag.querySelector('a[rel="next"]').href;
}
//phpBB forums...
function linknextBB(pag){
var as = pag.querySelectorAll('.gensmall>b>a');
if(as && as.length && as[as.length-1].textContent == 'Next') return as[as.length-1];
return null;
}
//Cheezburger...
function linknextCheez(pag){
return pag.querySelector('a.next').href;
}
var confs = [
{cont: '#js-poststream', post: '.post', next: linknextCheez},
{cont: '#pane2', post: '>.old-content', next: linknextWP},
{cont: '#content', post: '>.old-content', next: linknextWP},
{cont: '#posts', post: '>.old-content', next: linknextWP},
{cont: '#pane2', post: '>.post', next: linknextWP},
{cont: '#content', post: '>.post', nextcss: '.next a'},
{cont: '#content', post: '>.post', next: linknextWP},
{cont: '#posts', post: '>.post', next: linknextWP},
{cont: '#ipbwrapper > .ipbtable + .borderwrap:not([style])', post: '>.ipbtable', next: linknextIPB},
{cont: '#ips_Posts', post: '>.post_block', next: linknextIPB},
{cont: '#posts', post: '>[id^="edit"]', next: linknextVB},
{cont: '#posts', post: '>div', next: linknextVB},
{cont: '.posts.wide', post: '[id^=row-]', next: linknextVB},
{cont: '#entry-list-ul', post: '>li', nextcss: '#jump_next'},
{cont: '#pagecontent', post: '>.tablebg', next: linknextBB},
{cont: '#main', post: 'article', nextcss: '.next a'},
{cont: '#post-wrapper', post: '>.post', next: linknextWP}
];
function elegir(forzarNext){
for(var i=0; i<confs.length; i++){
var conf = confs[i];
var divcont = document.querySelector(conf.cont);
if(divcont){
var posts = document.querySelectorAll(conf.cont + ' ' + conf.post);
if(posts && posts.length > 1){
if(conf.nextcss){
conf.next = function(pag){
return pag.querySelector(conf.nextcss).href;
}
}
if(!forzarNext) return conf;
try{
if(conf.next(document)) return conf;
}catch(e){}
}
}
}
}
var conf = elegir(true);
if(!conf) conf = elegir(false);
if(conf){
var divcont = document.querySelector(conf.cont);
var linkNext = null;
try{ linkNext = conf.next(document); }catch(e){}
var postActual = -1;
var pagPos = [[0, document.location.href, 0]]; //[[num primer post, url, scrollTop primer post], ...]
if(history.replaceState) history.replaceState({pp: pagPos[0]}, '', pagPos[0][1]);
//navegar los posts con las flechas izq/der
window.addEventListener('keydown', function(evt){
if(evt.altKey || evt.ctrlKey || evt.shiftKey) return;
if(evt.target.tagName == 'INPUT' && evt.target.type == 'text' ||
evt.target.tagName == 'TEXTAREA') return;
var kc = evt.keyCode;
if(kc==35 || kc==33 || kc==34){ //fin/pgup/pgdwn: scrollea sin cargar la prox pag
secs = new Date().getTime();
return true;
}
if(kc==37) scrollear(-1); //izq: patras
else if(kc==39) scrollear(1); //der: paelante
else return true;
evt.preventDefault();
}, true);
function scrollear(dp){
var posts = document.querySelectorAll(conf.cont + ' ' + conf.post);
postActual+=dp;
if(postActual<0) postActual=0;
else if(postActual>=posts.length) postActual=posts.length-1;
var elem = posts[postActual];
var pos = elem.offsetTop;
while(elem = elem.offsetParent) pos+= elem.offsetTop;
scroll(0, pos);
}
if(document.location.hash){
var id = document.location.hash.substr(1);
var posts = document.querySelectorAll(conf.cont + ' ' + conf.post);
for(var i=0; i<posts.length; i++){
if(posts[i].querySelector('#'+id+', [name="'+id+'"]')){
postActual = i;
break;
}
}
}
var push = true;
//cargar la sgte pag cuando scrolleo cerca del final
window.addEventListener('scroll', function(evt){
var top = document.documentElement.scrollTop;
if(!top) top = document.body.scrollTop;
if(top && divcont.offsetTop+divcont.offsetHeight < top+4223) cargarSgte();
if(push && history.pushState){
for(var i = 0; pagPos[i] && pagPos[i][2] < top; i++);
var pp = pagPos[i-1];
if(pp && pp[1] != document.location.href) history.pushState({pp: pp}, '', pp[1]);
}
push = true;
}, true);
window.addEventListener('popstate', function(evt){
if(!evt.state) return;
push = false;
scroll(0, evt.state ? evt.state.pp[2] : 0);
}, true);
var secs = 0;
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function(){
if (xhr.readyState == 4){
if(xhr.status == 200){
secs = new Date().getTime();
pagPos.push([document.querySelectorAll(conf.cont + ' ' + conf.post).length, linkNext, divcont.offsetTop + divcont.offsetHeight]);
var div = document.createElement('div');
div.innerHTML = xhr.responseText;
var posts = div.querySelectorAll(conf.cont + ' ' + conf.post);
for(var i=0; i<posts.length; i++){
var iframe;
var btns = ['facebook.com', 'twitter.com', 'stumbleupon.com', 'reddit.com'];
for(var b=0; b<btns.length; b++)
while(iframe = posts[i].querySelector('iframe[src*="'+btns[b]+'"]'))
iframe.parentNode.removeChild(iframe);
divcont.appendChild(posts[i]);
}
pagActual++;
try{ linkNext = conf.next(div); }
catch(e){ linkNext = null; }
}
else{ //wtf?
secs = 0;
}
}
}
function cargarSgte(){
if(!linkNext || (new Date().getTime() - secs) < 2000) return;
secs = new Date().getTime() + 23232323;
xhr.open('GET', linkNext, true);
xhr.send(null);
}
}