cleanAutoPagerize.js

// ==UserScript==
// @name           cleanAutoPager
// @namespace      http://d.hatena.ne.jp/
// @description    
// @include        http://*
// @include        https://*
// @exclude        https://mail.google.com/*
// ==/UserScript==

(function(){
  if(window.top!=window)return;
  if (window.AutoPagerizeWedataSiteinfo) {
    var SITEINFO = window.AutoPagerizeWedataSiteinfo;
  }else{
    return;
  }
  var list = SITEINFO; // no top & bottom SITEINFO yet 
  var locationHref = location.href;

  function $X(exp, context) {
    if ($X.forceRelative) {
      exp = exp.replace(/id\(\s*(["'])([^"']+)\1\s*\)/g, './/*[@id="$2"]');
      exp = exp.indexOf('(//') == 0
        ? '(.//' + exp.substring(3)
        : (exp[0] == '/' ? '.' : './') + exp;
    }

    context || (context = document);
    var expr = (context.ownerDocument || context).createExpression(exp, function (prefix) {
      return document.createNSResolver(context.documentElement || context).lookupNamespaceURI(prefix) ||
        context.namespaceURI || document.documentElement.namespaceURI || "";
    });

    var result = expr.evaluate(context, XPathResult.ANY_TYPE, null);
    switch (result.resultType) {
    case XPathResult.STRING_TYPE : return result.stringValue;
    case XPathResult.NUMBER_TYPE : return result.numberValue;
    case XPathResult.BOOLEAN_TYPE: return result.booleanValue;
    case XPathResult.UNORDERED_NODE_ITERATOR_TYPE:
      // not ensure the order.
      var ret = [], i = null;
      while (i = result.iterateNext()) ret.push(i);
      return ret;
    }
    return null;
  }

  var nlist = [];
  var clist = [];
  list.forEach(function(_item) {
    try {
      _item = _item.data || _item;
      _item.regurl = new RegExp(_item.url);
      if (!_item.nextLink || !_item.pageElement) return;
      nlist.push(_item);
    } catch (e){
      opera.postError(e.description,_item);
    }
  });
  nlist.some(function(info) {
    try {
      if (info.regurl.test(locationHref)) {
        if (!info.regurl.test('http://a')){
          clist.push(info);
          if(!window.apclean)window.apclean = document.documentElement.appendChild((function(s){s.type='text/css';s.id='AP_clean';s.innerHTML='*{display:none}';return s})(document.createElement('style')));
          window.addEventListener('DOMContentLoaded',function(){
            var re=/AP_\w*_element/;
            var CLEAN='AP_clean_element';
            var DIRTY='AP_dirty_element';
            if(document.getElementsByClassName(CLEAN).length)return;
            var elements=$X(info.pageElement);
            elements.forEach(function(ele){
              if(re.test(ele.className))ele.className=ele.className.replace(re,CLEAN);
              else ele.className+=' '+CLEAN;
              while(ele!=document.body){
                var p=ele.parentNode;
                if(p.className.indexOf(CLEAN)>=0)break;
                [].forEach.call(p.children,function(e){
                  if(e==ele){if(e.className.indexOf(DIRTY)>=0)e.className=e.className.replace(re,CLEAN)}
                  else if(!re.test(e.className))e.className+=' '+DIRTY;
                });
                ele=p;
              }
            });
            document.getElementById('AP_clean').textContent = '.AP_dirty_element:not([id="autopagerize_icon"]){display:none!important;} .AP_clean_element{width:100%!important;}';
            if(window.AutoPagerize){
              var HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
              var pageHeight = window.opera ? document.documentElement.clientHeight : document.body.offsetHeight;
              if (window.innerHeight >= pageHeight) {
                document.body.appendChild(document.createElementNS(HTML_NAMESPACE, 'div')).setAttribute('style','position:absolute;bottom:-1px;height:1px;width:1px;');
              }
            }
          },false)
          window.AutoPagerizeWedataSiteinfo = clist;
          return;
        }
      }
    } catch(e) {
    }
  })

})();