Tumblr Dashboard High-Res Photos

tumblr_dashboard_high-re.user.js

// ==UserScript==
// @id             Tumblr Dashboard High-Res Photos
// @name           Tumblr Dashboard High-Res Photos
// @version        0.0.14.9
// @update         2013-06-11
// @namespace      http://cxx.tumblr.com/
// @include        http://www.tumblr.com/dashboard*
// @include        http://www.tumblr.com/show/*
// @include        http://www.tumblr.com/likes/*
// @include        http://www.tumblr.com/liked/by/*
// @include        http://www.tumblr.com/tagged/*
// @include        http://www.tumblr.com/blog/*
// @run-at         document-end
// @contributer    taizooo https://gist.github.com/taizooo/635884
// @contributer    saitamanodoruji https://gist.github.com/saitamanodoruji/612508
// @updateURL      https://gist.github.com/saitamanodoruji/612508/raw/tumblr_dashboard_high-re.user.js
// @downloadURL    https://gist.github.com/saitamanodoruji/612508/raw/tumblr_dashboard_high-re.user.js
// ==/UserScript==

// origin: http://userscripts.org/scripts/review/43621 by cxx

(function() {
  function highRes(li) {
    var img = li.querySelector('.image'),
        postMedia = li.querySelector('.post_media'),
        nextElem = li.querySelector('.post_body') || li.querySelector('.post_tags') || li.querySelector('.post_footer'),
        re = /_500(\.(?:jpg|png|gif))$/
    if (img === null || !img.src.match(re)
        || ((img.width && img.width < 500) && (img.height && img.height < 750))) return
    img.src = (img.id && /^pano_/.test(img.id)) ?
              img.src.replace(/\.jpg/, 'h$&') :
              img.src.replace(re, '_1280$1')
    img.style.width = img.style.height = 'auto'
    img.style.maxWidth = img.style.maxHeight = 'none'
    window.setTimeout(function() {
      if (nextElem.offsetTop - postMedia.offsetTop <= 30)
        img.src = img.src.replace(/_1280(\.(?:jpg|png|gif))$/, '_500$1')
    }, 3000)
  }
  Array.prototype.slice.call(
    document.querySelectorAll('li.post_container')
  ).forEach(highRes)
  document.body.addEventListener('DOMNodeInserted',function(evt){
    if ( /(?:^| )post_container(?:$| )/.test(evt.target.className) ) highRes(evt.target)
  }, false)
})()