socialcount.user.js

// ==UserScript==
// @name           Social count
// @namespace      http://june29.jp/
// @include        http://*
// @include        https://*
// ==/UserScript==

(function() {
  if (window.top != window.self) exit;

  var body  = document.body;
  var title = document.title;
  var url   = location.href;

  var area = document.createElement('div');
  area.setAttribute('id', 'social-count-area');

  GM_addStyle("#social-count-area   { margin: 0; padding: 6px 10px 1px; height: 26px; }");
  GM_addStyle("#social-count-area   { text-align: left; background-color: rgba(255, 255, 255, 0.75); }");
  GM_addStyle("#social-count-area * { display: inline; vertical-align: top; }");

  body.insertBefore(area, body.firstChild);

  var twitter = document.createElement('span');
  twitter.setAttribute('id', 'social-count-twitter');
  var twitter_html = '';
  twitter_html += '<script src="http://platform.twitter.com/widgets.js" type="text/javascript"></script>';
  twitter_html += '<div><a href="http://twitter.com/share?url=';
  twitter_html += encodeURIComponent(url) + '&amp;via=june29" class="twitter-share-button">Tweet</a></div>';
  twitter.innerHTML = twitter_html;
  setTimeout(function() { area.appendChild(twitter); }, 200);

  var hatena = document.createElement('span');
  hatena.setAttribute('id', 'social-count-hatena');
  var hatena_html = '';
  hatena_html += '<a href="http://b.hatena.ne.jp/entry/' + url + '" class="hatena-bookmark-button"';
  hatena_html += ' data-hatena-bookmark-title="' + title + '" data-hatena-bookmark-layout="standard"';
  hatena_html += ' title="このエントリーをはてなブックマークに追加">';
  hatena_html += '<img src="http://b.st-hatena.com/images/entry-button/button-only.gif"';
  hatena_html += ' alt="このエントリーをはてなブックマークに追加" width="20" height="20" style="border: none;" />';
  hatena_html += '</a><script type="text/javascript" src="http://b.st-hatena.com/js/bookmark_button.js"'
  hatena_html += ' charset="utf-8" async="async"></script>';
  hatena.innerHTML = hatena_html;
  setTimeout(function() { area.appendChild(hatena); }, 400);

  var facebook = document.createElement('span');
  facebook.setAttribute('id', 'social-count-facebook');
  var facebook_html = '';
  facebook_html += '<iframe src="http://www.facebook.com/plugins/like.php?href=';
  facebook_html += encodeURIComponent(url) + '&layout=standard&show_faces=false&width=450&action=like&colorscheme=light"';
  facebook_html += 'allowtransparency="true" style="border: medium none; overflow: hidden; width: 450px; height: 24px;';
  facebook_html += ' margin: -2px 0 0 20px;"';
  facebook_html += 'frameborder="0" scrolling="no"></iframe>';
  facebook.innerHTML = facebook_html;
  setTimeout(function() { area.appendChild(facebook); }, 600);
})();