// ==UserScript==
// @name    Блокировщик Flash
// @include *
// @run-at  document-start
// ==/UserScript==

(function () {
  var exclude = [
    'mail.google.com'
  ];
  var css = 'object:not([type]),object[classid$=":D27CDB6E-AE6D-11cf-96B8-444553540000"],object[classid$=":d27cdb6e-ae6d-11cf-96b8-444553540000"],object[codebase*="swflash.cab"],object[data*=".swf"],embed[type="application/x-shockwave-flash"],embed[src*=".swf"],object[type="application/x-shockwave-flash"],object[src*=".swf"],object[codetype="application/x-shockwave-flash"],iframe[type="application/x-shockwave-flash"],object[classid$=":166B1BCA-3F9C-11CF-8075-444553540000"],object[codebase*="sw.cab"],object[data*=".dcr"],embed[type="application/x-director"],embed[src*=".dcr"],object[type="application/x-director"],object[src*=".dcr"],object[classid$=":15B782AF-55D8-11D1-B477-006097098764"],object[codebase*="awswaxf.cab"],object[data*=".aam"],embed[type="application/x-authorware-map"],embed[src*=".aam"],object[type="application/x-authorware-map"],object[src*=".aam"],object[classid*="32C73088-76AE-40F7-AC40-81F62CB2C1DA"],object[type="application/ag-plugin"],object[type="application/x-silverlight"],object[type="application/x-silverlight-2"],object[source*=".xaml"],object[sourceelement*="xaml"],embed[type="application/ag-plugin"],embed[source*=".xaml"]{display: none !important;}';
  var flash = 'data:image/png;base64,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';
  var play = 'data:image/png;base64,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';
  var prefix = 'ujs_flashblock';
  var addStyle = function (css) {
    var s = document.createElement('style');
    s.setAttribute('type', 'text/css');
    s.setAttribute('style', 'display: none !important;');
    s.appendChild(document.createTextNode(css));
    return (document.getElementsByTagName('head') [0] || document.documentElement).appendChild(s);
  };
  var getValue = function (name) {
    if (window.localStorage) {
      return window.localStorage[name] || '';
    } 
    else {
      var nameEQ = name + '=';
      var ca = document.cookie.split(';');
      for (var i = 0, c; c = ca[i]; i++) {
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return unescape(c.substring(nameEQ.length, c.length));
      };
      return '';
    }
  };
  var setValue = function (name, value, days) {
    if (window.localStorage) {
      window.localStorage[name] = value;
    } 
    else {
      var date = new Date();
      date.setTime(date.getTime() + ((days || 10 * 365) * 24 * 60 * 60 * 1000));
      if (document.cookie.split(';').length < 30 && document.cookie.length - escape(getValue(name)).length + escape(value).length < 4000) {
        document.cookie = name + '=' + escape(value) + '; expires=' + date.toGMTString() + '; path=/';
      } 
      else {
        alert('Cookies is full!');
      }
    }
  };
  var copyText = function (txt) {
    if (txt) {
      var txtArea = document.createElement('textarea');
      txtArea.setAttribute('style', 'position:absolute;left:-999em;width:0;height:0;');
      document.documentElement.appendChild(txtArea);
      txtArea.value = txt;
      txtArea.select();
      document.execCommand('Copy');
      txtArea.parentNode.removeChild(txtArea);
    }
  };
  var createMenu = function (pos, items) {
    var container = document.getElementById(prefix + '_menu');
    if (container) container.parentNode.removeChild(container);
    container = document.createElement('div');
    container.setAttribute('style', 'display:block;position:fixed;top:' + pos.y + 'px;left:' + pos.x + 'px;margin:0;padding:0;background-color:white;color:black;border:1px solid gray;z-index:1000;');
    container.id = prefix + '_menu';
    var menu = document.createElement('ul');
    menu.setAttribute('style', 'overflow:hidden;margin:0;padding:2px;list-style:none;');
    container.appendChild(menu);
    for (var i = 0, item; item = items[i]; i++) {
      var list = document.createElement('li');
      list.setAttribute('style', 'font-family:tahoma,sans-serif;font-size:11px;text-align:left;line-height:normal;white-space:nowrap;list-style-position:outside;cursor:default;' + (item[0] == '' ? 'margin:3px;padding:0;border-top:1px solid gray' : 'margin:0;padding:3px 9px;'));
      list.appendChild(document.createTextNode(item[0]));
      if (item[1]) {
        list.onclick = item[1];
        list.onmouseover = function () {
          this.style.backgroundColor = '#316AC5';
          this.style.color = 'white'
        };
        list.onmouseout = function () {
          this.style.backgroundColor = 'white';
          this.style.color = 'black'
        };
      };
      list.oncontextmenu = function (ev) {
        ev.preventDefault();
        ev.stopPropagation()
      };
      menu.appendChild(list);
    };
    document.addEventListener('click', function (e) {
      this.removeEventListener(e.type, arguments.callee, false);
      container.parentNode.removeChild(container)
    }, false);
    return document.documentElement.appendChild(container);
  };
  var getVideo = function (flashvars, src) {
    return '';
  };
  var getParam = function (e, n) {
    var v = '',
    r = new RegExp('^(' + n + ')$', 'i');
    var param = e.getElementsByTagName('param');
    for (var i = 0, p; p = param[i]; i++) {
      if (p.hasAttribute('name') && p.getAttribute('name').match(r)) {
        v = p.getAttribute('value');
        break
      };
    };
    return v;
  };
  var qualifyURL = function (url) {
    if (!url) return '';
    var a = document.createElement('a');
    a.href = url;
    return a.href;
  };
  var isBlocked = function (ele) {
    return getComputedStyle(ele, null).display == 'none';
  };
  var delStyle = function (css) {
    var styles = document.getElementsByTagName('style');
    for (var i = 0, s; s = styles[i]; i++) {
      if (s.innerHTML == css) {
        s.parentNode.removeChild(s);
        break
      }
    }
  };
  var delPlaceholders = function () {
    var divs = document.getElementsByClassName(prefix + '_placeholder');
    for (var j = divs.length - 1; j >= 0; j--) divs[j].parentNode.removeChild(divs[j]);
  };
  var createImage = function (ele) {
    if (ele.previousSibling && ele.previousSibling.className == prefix + '_placeholder') return;
    var embed = ele.getElementsByTagName('embed') [0];
    var src = ele.getAttribute('src') || ele.getAttribute('source') || ele.getAttribute('data') || getParam(ele, 'movie|data|src|code|filename|url|source') || (embed && embed.getAttribute('src')) || '';
    var d = document.createElement('div');
    d.setAttribute('style', 'display:inline-block;visibility:visible;overflow:hidden;z-index:999;border:1px dotted #bbbbbb;min-width:0px;min-height:0px;height:' + getComputedStyle(ele, null).height + ';width:' + getComputedStyle(ele, null).width + ';background:url(' + flash + ')no-repeat center;cursor:pointer;-webkit-box-sizing:border-box;');
    d.setAttribute('title', qualifyURL(src));
    d.onmouseover = function () {
      d.style.backgroundImage = 'url(' + play + ')'
    };
    d.onmouseout = function () {
      d.style.backgroundImage = 'url(' + flash + ')'
    };
    d.className = prefix + '_placeholder';
    d.onclick = function (ev) {
      ev.preventDefault();
      ev.stopPropagation();
      if (!ev.shiftKey && (ev.ctrlKey || ev.metaKey) && !ev.altKey && src) {
        location.href = getVideo(ele.getAttribute('flashvars') || getParam(ele, 'flashvars'), src) || src;
      } 
      else {
        d.parentNode.removeChild(d);
        ele.style.setProperty('display', 'inline-block', 'important');
        if (embed && isBlocked(embed)) embed.style.setProperty('display', 'inline-block', 'important');
      };
    };
    d.oncontextmenu = function (ev) {
      if (ev.button == 2 && !ev.ctrlKey && !ev.shiftKey && !ev.altKey) {
        ev.preventDefault();
        ev.stopPropagation();
        var videoUrl = getVideo(ele.getAttribute('flashvars') || getParam(ele, 'flashvars'), src);
        createMenu({
          x: ev.clientX,
          y: ev.clientY
        }, [
          ['Отключить FlashBlock на ' + location.hostname,
          function () {
            delStyle(css);
            delPlaceholders();
            setValue(prefix, 'unblocked')
          }
          ],
          [
            'Скрыть заполнитель на ' + location.hostname,
            function () {
              delPlaceholders();
              setValue(prefix, 'justblocked')
            }
          ],
          [
            ''
          ],
          [
            'Копировать адрес Flash',
            function () {
              copyText(qualifyURL(src))
            }
          ],
          videoUrl ? [
            'Copy flash-video address',
            function () {
              copyText(videoUrl)
            }
          ] : null,
          videoUrl ? [
            'Download flash-video',
            function () {
              location.href = videoUrl
            }
          ] : null
        ])
      }
    };
    ele.parentNode.insertBefore(d, ele);
  };
  var addPlaceholder = function (ele) {
    if (ele) switch (ele.nodeName.toLowerCase()) {
      case 'object':
        setTimeout(function () {
          if (isBlocked(ele)) createImage(ele)
        }, 1);
        break;
      case 'embed':
        setTimeout(function () {
          if (isBlocked(ele) && !isBlocked(ele.parentNode)) createImage(ele)
        }, 1);
        break;
      case 'iframe':
        setTimeout(function () {
          if (ele.getAttribute('type') == 'application/x-shockwave-flash' && isBlocked(ele)) createImage(ele)
        }, 1);
        break;
    }
  };
  var createPlaceholders = function () {
    var obj = document.querySelectorAll(css.replace(/\{.+\}/, ''));
    for (var i = 0, ele; ele = obj[i]; i++) addPlaceholder(ele);
  };
  if (!(document.documentElement instanceof HTMLHtmlElement)) return;
  var host = location.hostname.replace(/^www\./, '');
  for (var i = 0; i < exclude.length; i++) {
    if (host == exclude[i]) return
  };
  var value = getValue(prefix);
  if (value != 'unblocked') {
    setTimeout(function () {
      addStyle(css)
    }, 1);
    if (value != 'justblocked') {
      window.addEventListener('load', createPlaceholders, false);
      document.addEventListener('DOMContentLoaded', function () {
        createPlaceholders();
        document.addEventListener('DOMNodeInserted', function (e) {
          addPlaceholder(e.target)
        }, false);
      }, false);
    }
  };
  document.addEventListener('keydown', function (e) {
    if (e.keyCode == 70 && ((e.shiftKey && e.ctrlKey) != e.altKey)) {
      if (getValue(prefix) != 'unblocked') {
        delStyle(css);
        delPlaceholders();
        setValue(prefix, 'unblocked');
      } 
      else {
        addStyle(css);
        createPlaceholders();
        setValue(prefix, 'blocked', - 1);
      };
    };
  }, false);
}) ();