"

From 2013.igem.org

/*global jQuery */ /*jshint multistr:true browser:true */ /*!

• FitVids 1.0
• Copyright 2013, Chris Coyier - http://css-tricks.com + Dave Rupert - http://daverupert.com
• Credit to Thierry Koblentz - http://www.alistapart.com/articles/creating-intrinsic-ratios-for-video/
• Released under the WTFPL license - http://sam.zoy.org/wtfpl/
• Date: Thu Sept 01 18:00:00 2011 -0500
• /

(function( $ ){

 "use strict";

 $.fn.fitVids = function( options ) {
   var settings = {
     customSelector: null
   };

   if(!document.getElementById('fit-vids-style')) {

     var div = document.createElement('div'),
         ref = document.getElementsByTagName('base')[0] || document.getElementsByTagName('script')[0],
         cssStyles = '­<style>.fluid-width-video-wrapper{width:100%;position:relative;padding:0;}.fluid-width-video-wrapper iframe,.fluid-width-video-wrapper object,.fluid-width-video-wrapper embed {position:absolute;top:0;left:0;width:100%;height:100%;}</style>';

     div.className = 'fit-vids-style';
     div.id = 'fit-vids-style';
     div.style.display = 'none';
     div.innerHTML = cssStyles;

     ref.parentNode.insertBefore(div,ref);

   }

   if ( options ) {
     $.extend( settings, options );
   }

   return this.each(function(){
     var selectors = [
       "iframe[src*='player.vimeo.com']",
       "iframe[src*='youtube.com']",
       "iframe[src*='youtube-nocookie.com']",
       "iframe[src*='kickstarter.com'][src*='video.html']",
       "object",
       "embed"
     ];

     if (settings.customSelector) {
       selectors.push(settings.customSelector);
     }

     var $allVideos = $(this).find(selectors.join(','));
     $allVideos = $allVideos.not("object object"); // SwfObj conflict patch

     $allVideos.each(function(){
       var $this = $(this);
       if (this.tagName.toLowerCase() === 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }
       var height = ( this.tagName.toLowerCase() === 'object' || ($this.attr('height') && !isNaN(parseInt($this.attr('height'), 10))) ) ? parseInt($this.attr('height'), 10) : $this.height(),
           width = !isNaN(parseInt($this.attr('width'), 10)) ? parseInt($this.attr('width'), 10) : $this.width(),
           aspectRatio = height / width;
       if(!$this.attr('id')){
         var videoID = 'fitvid' + Math.floor(Math.random()*999999);
         $this.attr('id', videoID);
       }

$this.wrap('').parent('.fluid-width-video-wrapper').css('padding-top', (aspectRatio * 100)+"%");

       $this.removeAttr('height').removeAttr('width');
     });
   });
 };

// Works with either jQuery or Zepto })( window.jQuery || window.Zepto );