https://yasoram.com/js/jquery.fitvids.js

1
2
3;(function( $ ){
4
5  'use strict';
6
7  $.fn.fitVids = function( options ) {
8    var settings = {
9      customSelector: null,
10      ignore: null
11    };
12
13    if(!document.getElementById('fit-vids-style')) {
14      // appendStyles: https://github.com/toddmotto/fluidvids/blob/master/dist/fluidvids.js
15      var head = document.head || document.getElementsByTagName('head')[0];
16      var css = '.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%;}';
17      var div = document.createElement("div");
18      div.innerHTML = '<p>x</p><style id="fit-vids-style">' + css + '</style>';
19      head.appendChild(div.childNodes[1]);
20    }
21
22    if ( options ) {
23      $.extend( settings, options );
24    }
25
26    return this.each(function(){
27      var selectors = [
28        'iframe[src*="player.vimeo.com"]',
29        'iframe[src*="youtube.com"]',
30        'iframe[src*="youtube-nocookie.com"]',
31        'iframe[src*="kickstarter.com"][src*="video.html"]',
32        'object',
33        'embed'
34      ];
35
36      if (settings.customSelector) {
37        selectors.push(settings.customSelector);
38      }
39
40      var ignoreList = '.fitvidsignore';
41
42      if(settings.ignore) {
43        ignoreList = ignoreList + ', ' + settings.ignore;
44      }
45
46      var $allVideos = $(this).find(selectors.join(','));
47      $allVideos = $allVideos.not('object object'); // SwfObj conflict patch
48      $allVideos = $allVideos.not(ignoreList); // Disable FitVids on this video.
49
50      $allVideos.each(function(count){
51        var $this = $(this);
52        if($this.parents(ignoreList).length > 0) {
53          return; // Disable FitVids on this video.
54        }
55        if (this.tagName.toLowerCase() === 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }
56        if ((!$this.css('height') && !$this.css('width')) && (isNaN($this.attr('height')) || isNaN($this.attr('width'))))
57        {
58          $this.attr('height', 9);
59          $this.attr('width', 16);
60        }
61        var height = ( this.tagName.toLowerCase() === 'object' || ($this.attr('height') && !isNaN(parseInt($this.attr('height'), 10))) ) ? parseInt($this.attr('height'), 10) : $this.height(),
62            width = !isNaN(parseInt($this.attr('width'), 10)) ? parseInt($this.attr('width'), 10) : $this.width(),
63            aspectRatio = height / width;
64        if(!$this.attr('id')){
65          var videoID = 'fitvid' + count;
66          $this.attr('id', videoID);
67        }
68        $this.wrap('<div class="fluid-width-video-wrapper"></div>').parent('.fluid-width-video-wrapper').css('padding-top', (aspectRatio * 100)+'%');
69        $this.removeAttr('height').removeAttr('width');
70      });
71    });
72  };
73// Works with either jQuery or Zepto
74})( window.jQuery || window.Zepto );