/**
 * AgentsPayingForward.com main site JavaScript
 *
 * @package    AgentsPayingForward
 * @subpackage UI
 * @copyright  Copyright 2008-2009 Spenlen Media, Inc. (http://spenlen.com)
 * @version    $Id$
 */


// Adapted from DOM Ready extension by Dan Webb
// http://www.vivabit.com/bollocks/2006/06/21/a-dom-ready-extension-for-prototype
// which was based on work by Matthias Miller, Dean Edwards and John Resig
//
// Usage:
//
// Event.onReady(callbackFunction);
Object.extend(Event, {
  _domReady : function() {
    if (arguments.callee.done) { return; }
    arguments.callee.done = true;

    if (this._timer) { clearInterval(this._timer); }

    this._readyCallbacks.each(function(f) { f() });
    this._readyCallbacks = null;
  },
  onDOMReady : function(f) {
    if (!this._readyCallbacks) {
      var domReady = this._domReady.bind(this);

      if (document.addEventListener) {
        document.addEventListener("DOMContentLoaded", domReady, false);
      }
      /*@cc_on @*/
      /*@if (@_win32)
          document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
          document.getElementById("__ie_onload").onreadystatechange = function() {
              if (this.readyState == "complete") { domReady(); }
          };
      /*@end @*/

      if (/WebKit/i.test(navigator.userAgent)) {
        this._timer = setInterval(function() {
          if (/loaded|complete/.test(document.readyState)) { domReady(); }
        }, 10);
      }

      Event.observe(window, 'load', domReady);
      Event._readyCallbacks =  [];
    }
    Event._readyCallbacks.push(f);
  }
});


/**
 * AgentsPayingForward.com global namespace object.
 * @var Object
 */
var APF = {};



APF.FlashMessage = {

    /**
     * Registers the onclick handler to dismiss the flash message DIV.
     */
    init : function ()
    {
        var message = document.getElementById('flashMessage');
        if (message) {
            Event.observe(message, 'click', APF.FlashMessage.dismiss);
        }
    },

    /**
     * If the flash message DIV is present on the page, animates the background
     * color fading effect.
     */
    flash : function ()
    {
        var message = document.getElementById('flashMessage');
        if (message) {
            new Effect.Highlight(
                message,
                {duration:     2.0,
                 startcolor:   '#ffff33',
                 endcolor:     '#ffffda',
                 restorecolor: '#ffffda'}
                );
        }
    },

    /**
     * Dismisses the flash message.
     */
    dismiss : function ()
    {
        var message = document.getElementById('flashMessage');
        if (message) {
            Event.stopObserving(message, 'click', APF.FlashMessage.dismiss);
            new Effect.Opacity(
                message,
                {duration:   0.5,
                 transition: Effect.Transitions.linear,
                 from:       1,
                 to:         0}
                );
        }
        var container = document.getElementById('flashMessageContainer');
        if (container) {
            new Effect.Morph(
                container,
                {duration: 0.6,
                 style: {height: '0px'},
                 delay: 0.2}
                );
        }
    }

}
Event.onDOMReady(APF.FlashMessage.init);
Event.observe(window, 'load', APF.FlashMessage.flash);