if(!("Cc" in window))
  window.Cc = Components.classes;
if(!("Ci" in window))
  window.Ci = Components.interfaces;

function d(s) {
  //dump("-----> " + s + "\n");
}

function SKAS_CreateListener(object, methodName)
{
  return function(event) {
    return object[methodName].apply(object, [event]);
  }
}

var SKAS_Controller = {
  service : null
};

SKAS_Controller.chromeLoad =
function(event)
{
  this.service = Cc["@skrul.com/songbird-play-history-service;1"]
                   .getService(Ci.sbIPlayHistoryService);

  this.service.addBackwardButton(document.getElementById("songbird_btn_back"));
  this.service.addPlayButton(document.getElementById("songbird_btn_play"));
  this.service.addForwardButton(document.getElementById("songbird_btn_fwd"));
  this.service.addPlaylist(document.getElementById("frame_middle_pane"));
}

SKAS_Controller.chromeUnload =
function(event)
{
  this.service.removePlayButton(document.getElementById("songbird_btn_play"));
  this.service.removeBackwardButton(document.getElementById("songbird_btn_back"));
  this.service.removeForwardButton(document.getElementById("songbird_btn_fwd"));
  this.service.removePlaylist(document.getElementById("frame_middle_pane"));
  this.cleanup();
}

SKAS_Controller.onMenuCommand =
function()
{
  var browser = document.getElementById("frame_main_pane");
  browser.loadURI("chrome://audioscrobbler/content/servicePanel.xul");
}

SKAS_Controller.init =
function()
{
  this.chromeLoadListener =
    SKAS_CreateListener(this, "chromeLoad");
  this.chromeUnloadListener =
    SKAS_CreateListener(this, "chromeUnload");

  window.addEventListener("load", this.chromeLoadListener, false);
  window.addEventListener("unload", this.chromeUnloadListener, false);
}

SKAS_Controller.cleanup =
function()
{
  window.removeEventListener("load", this.chromeLoadListener, false);
  window.removeEventListener("unload", this.chromeUnloadListener, false);
}

try {
  SKAS_Controller.init();
}
catch(e) {
  Components.utils.reportError(e);
}