Chrome 用 GM関数ラッパー

//Google Chrome用GM_*系ラッパー関数

function initGMWrapper() {

 if ((typeof GM_getValue == 'undefined') || (GM_getValue('a', 'b') == undefined)) {

  GM_addStyle = function(css) {

   var style = document.createElement('style');

   style.textContent = css;

   document.getElementsByTagName('head')[0].appendChild(style);

  }
  GM_deleteValue = function(name) {

   localStorage.removeItem(LOCAL_STORAGE + "." + name);

  }
  GM_getValue = function(name, defaultValue) {

   var value = localStorage.getItem(LOCAL_STORAGE + "." + name);

   if (!value)

    return defaultValue;

   var type = value[0];

   value = value.substring(1);

   switch (type) {

    case 'b':

     return value == 'true';

    case 'n':

     return Number(value);

    default:

     return value;

   }

  }
  GM_log = function(message) {

   console.log(message);

  }
  GM_registerMenuCommand = function(name, funk) {

  //todo

  }
  GM_setValue = function(name, value) {

   value = (typeof value)[0] + value;

   localStorage.setItem(LOCAL_STORAGE + "." + name, value);

  }

  

  GM_listValues = function() {

   var res = new Array();

   for (var i = 0; i < localStorage.length; i++) {

    var key = localStorage.key(i);

    if (key.indexOf(LOCAL_STORAGE + ".", 0) == 0) {

     res.push(key.replace(/^.*?\./, ""));

    }

   }

   return res;

  }

 }

}