GM.Request.js

Browser.Request = function(){
  return $try(function(){
    return new GM.Request();
  }, function(){
    return new XMLHttpRequest();
  }, function(){
    return new ActiveXObject('MSXML2.XMLHTTP');
  });
};

var GM = {};

GM.Request = new Class({
  
  name: "GM.Request",
  
  initialize: function(force)
  {
    if(!GM_log && !force)
    {
      throw Error();
    }
    this.headers = {};
  },
  
  
  __onreadystatechange__: function(responseDetails)
  {
    this.status = responseDetails.status;
    this.statusText = responseDetails.statusText;
    this.responseHeaders = responseDetails.responseHeaders;
    this.responseText = responseDetails.responseText;
    this.readyState = responseDetails.readyState;
    if(this.onreadystatechange && $type(this.onreadystatechange) == 'function') this.onreadystatechange();
  },
  
  
  open: function(method, url)
  {
    this.method = method;
    this.url = url;
  },
  
  
  setRequestHeader: function(key, values)
  {
    this.headers[key] = value;
  },
  
  
  getResponseHeader: function(key)
  {
    return this.responseHeaders[key];
  },
  
  
  send: function(data)
  {
    GM_xmlhttpRequest({
      method: this.method,
      url: this.url,
      headers: this.headers,
      data: data,
      onreadystatechange: this.__onreadystatechange__.bind(this)
    });
  }
});