[GM script]View PDF/PPT with Google Document Viewer (with AutoPagerize)

view-with-gdv.user.js

// ==UserScript==
// @name           View PDF/PPT with Google Document Viewer
// @namespace      http://hail2u.net/
// @description    Insert a "[GDV]" link for viewing PDF/PPT with Google Document Viewer.
// @exclude        http://docs.google.com/*
// ==/UserScript==

(function () {
  var excludeUrls = new RegExp([
    "^https?://docs\\.google\\.com/",
    "^http://b\\.hatena\\.ne\\.jp/(entry(/|\\.\\w+\\?)|\\w+/add\\.confirm)",
  ].join('|'));
  
  function insertGDVLink(doc) {
    var doc = doc || document;
    
    Array.forEach(doc.getElementsByTagName("a"), function (a) {
      if (/\.(pdf|ppt|tif)$/.test(a.href)) {
        if (!excludeUrls.test(a.href)) {
          var gdv = document.createElement("a");
          gdv.setAttribute("href", "http://docs.google.com/viewer?url=" + encodeURIComponent(a.href));
          gdv.appendChild(document.createTextNode("[GDV]"));
          
          var gdvContainer = document.createElement("span");
          gdvContainer.setAttribute("class", "GM_gdv");
          gdvContainer.setAttribute("style", "margin-left: 5px; font-size: 80%");
          gdvContainer.appendChild(gdv);
          
          a.parentNode.insertBefore(gdvContainer, a.nextSibling);
        }
      }
    });
  }

  insertGDVLink();
  
  // for AutoPagerize
  document.body.addEventListener('AutoPagerize_DOMNodeInserted',function (evt) {
    insertGDVLink(evt.target);
  }, false);
})();