/*

  SoundManager 2 Demo: Play MP3 links "in-place"
  ----------------------------------------------

  http://schillmania.com/projects/soundmanager2/

  A simple demo making MP3s playable "inline"
  and easily styled/customizable via CSS.

  Requires SoundManager 2 Javascript API.

*/

function InlinePlayer() {
  var self = this;
  var pl = this;
  var sm = soundManager; // soundManager instance
  this.links = [];
  this.sounds = [];
  this.soundsByURL = [];
  this.indexByURL = [];
  this.lastSound = null;
  this.soundCount = 0;
  var isIE = (navigator.userAgent.match(/msie/i));

  this.config = {
    playNext: true // stop after one sound, or play through list until end
  }

  this.css = {
    // CSS class names appended to link during various states
    sDefault: 'sm2_link', // default state
    sLoading: 'sm2_loading',
    sPlaying: 'sm2_playing',
    sPaused: 'sm2_paused'
  }

  this.addEventHandler = function(o,evtName,evtHandler) {
    typeof(attachEvent)=='undefined'?o.addEventListener(evtName,evtHandler,false):o.attachEvent('on'+evtName,evtHandler);
  }

  this.removeEventHandler = function(o,evtName,evtHandler) {
    typeof(attachEvent)=='undefined'?o.removeEventListener(evtName,evtHandler,false):o.detachEvent('on'+evtName,evtHandler);
  }

  this.classContains = function(o,cStr) {
    return (typeof(o.className)!='undefined'?o.className.indexOf(cStr)+1:false);
  }

  this.addClass = function(o,cStr) {
    if (!o || !cStr || self.classContains(o,cStr)) return false;
    o.className = (o.className?o.className+' ':'')+cStr;
  }

  this.removeClass = function(o,cStr) {
    if (!o || !cStr || !self.classContains(o,cStr)) return false;
    o.className = o.className.replace(new RegExp('( '+cStr+')|('+cStr+')','g'),'');
  }

  this.getSoundByURL = function(sURL) {
    return (typeof self.soundsByURL[sURL] != 'undefined'?self.soundsByURL[sURL]:null);
  }

  this.events = {

    // handlers for sound events as they're started/stopped/played

    play: function() {
      pl.removeClass(this._data.oLink,this._data.className);
      this._data.className = pl.css.sPlaying;
      pl.addClass(this._data.oLink,this._data.className);
    },

    stop: function() {
      pl.removeClass(this._data.oLink,this._data.className);
      this._data.className = '';
    },

    pause: function() {
      pl.removeClass(this._data.oLink,this._data.className);
      this._data.className = pl.css.sPaused;
      pl.addClass(this._data.oLink,this._data.className);
    },

    resume: function() {
      pl.removeClass(this._data.oLink,this._data.className);
      this._data.className = pl.css.sPlaying;
      pl.addClass(this._data.oLink,this._data.className);      
    },

    finish: function() {
      pl.removeClass(this._data.oLink,this._data.className);
      this._data.className = '';
      if (pl.config.playNext) {
        var nextLink = (pl.indexByURL[this._data.oLink.href]+1);
        if (nextLink<pl.links.length) {
          pl.handleClick({'target':pl.links[nextLink]});
        }
      }
    }

  }

  this.stopEvent = function(e) {
   if (typeof e != 'undefined' && typeof e.preventDefault != 'undefined') {
      e.preventDefault();
    } else if (typeof event != 'undefined' && typeof event.returnValue != 'undefined') {
      event.returnValue = false;
    }
    return false;
  }

  this.getTheDamnLink = (isIE)?function(e) {
    // I really didn't want to have to do this.
    return (e && e.target?e.target:window.event.srcElement);
  }:function(e) {
    return e.target;
  }

  this.handleClick = function(e) {
    // a sound link was clicked
    var o = self.getTheDamnLink(e);
    var sURL = o.getAttribute('href');
    if (!o.href || !o.href.match(/.mp3$/i)) {
		
	  // jjb - commented these returns because they prevent other onlick functions from firing
	  // added the "else" to the statement so that if it's not an mp3 link, don't add mp3 functionality 
	  // and don't return either
	
	  /*
      if (isIE && o.onclick) {		  
        return false; // IE will run this handler before .onclick(), everyone else is cool?
      }
      return true; // pass-thru for non-MP3/non-links
	  */
	  
    }else{
		sm._writeDebug('handleClick()');
		var soundURL = (o.href);
		var thisSound = self.getSoundByURL(soundURL);
		if (thisSound) {
		  // already exists
		  if (thisSound == self.lastSound) {
			// and was playing (or paused)
			thisSound.togglePause();
		  } else {
			// different sound
			thisSound.togglePause(); // start playing current
			sm._writeDebug('sound different than last sound: '+self.lastSound.sID);
			if (self.lastSound) self.stopSound(self.lastSound);
		  }
		} else {
		  // create sound
		  thisSound = sm.createSound({
		   id:'mp3Sound'+(self.soundCount++),
		   url:soundURL,
		   onplay:self.events.play,
		   onstop:self.events.stop,
		   onpause:self.events.pause,
		   onresume:self.events.resume,
		   onfinish:self.events.finish
		  });
		  // tack on some custom data
		  thisSound._data = {
			oLink: o, // DOM node for reference within SM2 object event handlers
			className: self.css.sPlaying
		  };
		  self.soundsByURL[soundURL] = thisSound;
		  self.sounds.push(thisSound);
		  if (self.lastSound) self.stopSound(self.lastSound);
		  thisSound.play();
		  // stop last sound
		}
	
		self.lastSound = thisSound; // reference for next call
	
		if (typeof e != 'undefined' && typeof e.preventDefault != 'undefined') {
		  e.preventDefault();
		} else {
		  event.returnValue = false;
		}
		return false;
	}
  }

  this.stopSound = function(oSound) {
    soundManager.stop(oSound.sID);
    soundManager.unload(oSound.sID);
  }

  this.init = function() {
    sm._writeDebug('inlinePlayer.init()');
    var oLinks = document.getElementsByTagName('a');
    // grab all links, look for .mp3
    var foundItems = 0;
    for (var i=0; i<oLinks.length; i++) {
      if (oLinks[i].href.match(/.mp3$/i)) {
        self.addClass(oLinks[i],self.css.sDefault); // add default CSS decoration
        self.links[foundItems] = (oLinks[i]);
        self.indexByURL[oLinks[i].href] = foundItems; // hack for indexing
        foundItems++;
      }
    }
    if (foundItems>0) {
      self.addEventHandler(document,'click',self.handleClick);
    }
    sm._writeDebug('inlinePlayer.init(): Found '+foundItems+' relevant items.');
  }

  this.init();

}

var inlinePlayer = null;

soundManager.debugMode = false; // disable or enable debug output

soundManager.url = '/lib/scripts/soundmanager/'; // path to directory containing SM2 SWF

soundManager.onload = function() {
  // soundManager.createSound() etc. may now be called
  inlinePlayer = new InlinePlayer();
}