// ==UserScript==
// @name           Flickr DNA
// @namespace      http://zoolcar9.lhukie.net/greasemonkey
// @include        http://www.flickr.com/*
// @include        http://flickr.com/*
// @description    Adds links to BigHugeLabs' Flickr DNA of selected person on buddy icon menu and your account on user's menubar.
// ==/UserScript==

// Last updated: 2008-04-03

({

  DNA_URL: "http://bighugelabs.com/flickr/dna.php?username=",

  get nsid() {
    return unsafeWindow.global_nsid;
  },

  addDNAlink: function(aNode, aUser) {
    var div = aNode.appendChild(document.createElement("div"));
    div.className = "menu_item_line_above";
    var lnk = div.appendChild(document.createElement("a"));
    lnk.id = "person_menu_" + aUser + "_dna";
    lnk.className = "block";
    lnk.appendChild(document.createTextNode("View DNA"));
  },

  init_candyMenu: function() {
    var menu = document.getElementById("candy_nav_menu_you");
    if (!menu) return;

    var name = unsafeWindow.photos_url.replace(/\/photos\//, "")
                                      .match(/[^\/]+/)
                                      .toString();

    var separator = document.evaluate("./a[starts-with(@href, " +
                                      "'/recent_activity.gne')]",
                                      menu, null, 9, null).singleNodeValue;

    var link = document.createElement("a");
    link.href = this.DNA_URL + (name ? name : this.nsid);
    link.appendChild(document.createTextNode("Your DNA"));
    menu.insertBefore(link, separator);
  },

  init_personMenu: function() {
    var personHover = document.getElementById("person_hover");
    if (!personHover) return;

    var persons = ["other", "you"];

    for (var i in persons) {
      var menu = document.getElementById("person_menu_" + persons[i] + "_div");
      this.addDNAlink(menu, persons[i]);
      var thisObj = this;
      menu.addEventListener("DOMAttrModified", function(e) {
        var lnk = document.getElementById(this.id.replace(/div$/, "dna"));
        lnk.href = thisObj.DNA_URL +
                   personHover.wrappedJSObject.hover_icon.nsid;
      }, false);
    }
  },

  init: function() {
    this.init_candyMenu();
    this.init_personMenu();
  }

}).init()