gistfile1.js

function addToGoogleCalendar(eventString) {

  var quickAddEntry = "<entry xmlns='http://www.w3.org/2005/Atom' xmlns:gCal='http://schemas.google.com/gCal/2005'>";
  quickAddEntry += "    <content type=\"html\">" + eventString + "</content>";
  quickAddEntry += "    <gCal:quickadd value=\"true\"/>";
  quickAddEntry += "</entry>";

  var authKey = Utils.getCookie(".www.google.com", "CAL");
  if (authKey == "") {
    displayMessage("Please make sure you are logged in to Google Calendar");
    return;
  }

  var currentCalendar = "http://www.google.com/calendar/feeds/default/private/full";

  var req = new XMLHttpRequest();
  req.open('POST', currentCalendar, false);
  req.setRequestHeader('Authorization', 'GoogleLogin auth=' + authKey);
  req.setRequestHeader('Content-type', 'application/atom+xml');
  req.send(quickAddEntry);
  if (req.status == 401) {
    displayMessage("Please make sure you are logged in to Google Calendar");
    return;
  } else if (req.status != 201) {
    displayMessage("Error creating the event. Error code: " + req.status + " " + req.statusText);
    return;
  } else {
    displayMessage("Created event " + eventString);
  }

}
     
 
CmdUtils.CreateCommand({
  name: "add-calendar",
  takes: {"event": noun_arb_text}, // TODO: use DateNounType or EventNounType?
  modifiers: {'on': noun_type_date, 'at': noun_type_time },
  icon : "chrome://ubiquity/skin/icons/calendar_add.png",
  preview: "Adds the event to Google Calendar.<br/> Enter the event with the format event on date at time",
  description: "Adds an event to your calendar.",
  help: "Currently, only works with <a href=\"http://calendar.google.com\">Google Calendar</a>, so you'll need a " +
        "Google account to use it.  Try issuing &quot;add lunch with dan on tomorrow at 14pm&quot;.",
  execute: function( eventString, modifiers ) {
    var calEvent = eventString.text + " " + modifiers.on.data.toString("dd/MM/yyyy") + " " + modifiers.at.text
    addToGoogleCalendar( calEvent );
  }
});