Scriptaculous/Sound.js

   1 // Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
   2 //
   3 // Based on code created by Jules Gravinese (http://www.webveteran.com/)
   4 //
   5 // script.aculo.us is freely distributable under the terms of an MIT-style license.
   6 // For details, see the script.aculo.us web site: http://script.aculo.us/
   7
   8 JSAN.use('Prototype');
   9
  10 Sound = {
  11   tracks: {},
  12   _enabled: true,
  13   template:
  14     new Template('<embed style="height:0" id="sound_#{track}_#{id}" src="#{url}" loop="false" autostart="true" hidden="true"/>'),
  15   enable: function(){
  16     Sound._enabled = true;
  17   },
  18   disable: function(){
  19     Sound._enabled = false;
  20   },
  21   play: function(url){
  22     if(!Sound._enabled) return;
  23     var options = Object.extend({
  24       track: 'global', url: url, replace: false
  25     }, arguments[1] || {});
  26
  27     if(options.replace && this.tracks[options.track]) {
  28       $R(0, this.tracks[options.track].id).each(function(id){
  29         var sound = $('sound_'+options.track+'_'+id);
  30         sound.Stop && sound.Stop();
  31         sound.remove();
  32       })
  33       this.tracks[options.track] = null;
  34     }
  35
  36     if(!this.tracks[options.track])
  37       this.tracks[options.track] = { id: 0 }
  38     else
  39       this.tracks[options.track].id++;
  40
  41     options.id = this.tracks[options.track].id;
  42     $$('body')[0].insert(
  43       Prototype.Browser.IE ? new Element('bgsound',{
  44         id: 'sound_'+options.track+'_'+options.id,
  45         src: options.url, loop: 1, autostart: true
  46       }) : Sound.template.evaluate(options));
  47   }
  48 };
  49
  50 if(Prototype.Browser.Gecko && navigator.userAgent.indexOf("Win") > 0){
  51   if(navigator.plugins && $A(navigator.plugins).detect(function(p){ return p.name.indexOf('QuickTime') != -1 }))
  52     Sound.template = new Template('<object id="sound_#{track}_#{id}" width="0" height="0" type="audio/mpeg" data="#{url}"/>')
  53   else
  54     Sound.play = function(){}
  55 }