assets/js/lib/jquery.fitvids.js

   1 /*jshint browser:true */
   2 /*!
   3 * FitVids 1.3
   4 *
   5 *
   6 * Copyright 2017, Chris Coyier + Dave Rupert + Ghost Foundation
   7 * This is an unofficial release, ported by John O'Nolan
   8 * Credit to Thierry Koblentz - http://www.alistapart.com/articles/creating-intrinsic-ratios-for-video/
   9 * Released under the MIT license
  10 *
  11 */
  12
  13 ;(function( $ ){
  14
  15   'use strict';
  16
  17   $.fn.fitVids = function( options ) {
  18     var settings = {
  19       customSelector: null,
  20       ignore: null
  21     };
  22
  23     if(!document.getElementById('fit-vids-style')) {
  24       // appendStyles: https://github.com/toddmotto/fluidvids/blob/master/dist/fluidvids.js
  25       var head = document.head || document.getElementsByTagName('head')[0];
  26       var css = '.fluid-width-video-container{flex-grow: 1;width:100%;}.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%;}';
  27       var div = document.createElement("div");
  28       div.innerHTML = '<p>x</p><style id="fit-vids-style">' + css + '</style>';
  29       head.appendChild(div.childNodes[1]);
  30     }
  31
  32     if ( options ) {
  33       $.extend( settings, options );
  34     }
  35
  36     return this.each(function(){
  37       var selectors = [
  38         'iframe[src*="player.vimeo.com"]',
  39         'iframe[src*="youtube.com"]',
  40         'iframe[src*="youtube-nocookie.com"]',
  41         'iframe[src*="kickstarter.com"][src*="video.html"]',
  42         'object',
  43         'embed'
  44       ];
  45
  46       if (settings.customSelector) {
  47         selectors.push(settings.customSelector);
  48       }
  49
  50       var ignoreList = '.fitvidsignore';
  51
  52       if(settings.ignore) {
  53         ignoreList = ignoreList + ', ' + settings.ignore;
  54       }
  55
  56       var $allVideos = $(this).find(selectors.join(','));
  57       $allVideos = $allVideos.not('object object'); // SwfObj conflict patch
  58       $allVideos = $allVideos.not(ignoreList); // Disable FitVids on this video.
  59
  60       $allVideos.each(function(){
  61         var $this = $(this);
  62         if($this.parents(ignoreList).length > 0) {
  63           return; // Disable FitVids on this video.
  64         }
  65         if (this.tagName.toLowerCase() === 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }
  66         if ((!$this.css('height') && !$this.css('width')) && (isNaN($this.attr('height')) || isNaN($this.attr('width'))))
  67         {
  68           $this.attr('height', 9);
  69           $this.attr('width', 16);
  70         }
  71         var height = ( this.tagName.toLowerCase() === 'object' || ($this.attr('height') && !isNaN(parseInt($this.attr('height'), 10))) ) ? parseInt($this.attr('height'), 10) : $this.height(),
  72             width = !isNaN(parseInt($this.attr('width'), 10)) ? parseInt($this.attr('width'), 10) : $this.width(),
  73             aspectRatio = height / width;
  74         if(!$this.attr('name')){
  75           var videoName = 'fitvid' + $.fn.fitVids._count;
  76           $this.attr('name', videoName);
  77           $.fn.fitVids._count++;
  78         }
  79         $this.wrap('<div class="fluid-width-video-container"><div class="fluid-width-video-wrapper"></div></div>').parent('.fluid-width-video-wrapper').css('padding-top', (aspectRatio * 100)+'%');
  80         $this.removeAttr('height').removeAttr('width');
  81       });
  82     });
  83   };
  84
  85   // Internal counter for unique video names.
  86   $.fn.fitVids._count = 0;
  87
  88 // Works with either jQuery or Zepto
  89 })( window.jQuery || window.Zepto );