https://smartmovepro.net/js/jquery.fitvids.js

1/*global jQuery */
2/*jshint multistr:true browser:true */
3/*!
4* FitVids 1.0
5*
6* Copyright 2011, Chris Coyier - http://css-tricks.com + Dave Rupert - http://daverupert.com
7* Credit to Thierry Koblentz - http://www.alistapart.com/articles/creating-intrinsic-ratios-for-video/
8* Released under the WTFPL license - http://sam.zoy.org/wtfpl/
9*
10* Date: Thu Sept 01 18:00:00 2011 -0500
11*/
12
13(function( $ ){
14
15  "use strict";
16
17  $.fn.fitVids = function( options ) {
18    var settings = {
19      customSelector: null
20    };
21
22    if(!document.getElementById('fit-vids-style')) {
23
24      var div = document.createElement('div'),
25          ref = document.getElementsByTagName('base')[0] || document.getElementsByTagName('script')[0];
26
27      div.className = 'fit-vids-style';
28      div.id = 'fit-vids-style';
29      div.style.display = 'none';
30      div.innerHTML = '&shy;<style>         \
31        .fluid-width-video-wrapper {        \
32           width: 100%;                     \
33           position: relative;              \
34           padding: 0;                      \
35        }                                   \
36                                            \
37        .fluid-width-video-wrapper iframe,  \
38        .fluid-width-video-wrapper object,  \
39        .fluid-width-video-wrapper embed {  \
40           position: absolute;              \
41           top: 0;                          \
42           left: 0;                         \
43           width: 100%;                     \
44           height: 100%;                    \
45        }                                   \
46      </style>';
47
48      ref.parentNode.insertBefore(div,ref);
49
50    }
51
52    if ( options ) {
53      $.extend( settings, options );
54    }
55
56    return this.each(function(){
57      var selectors = [
58        "iframe[src*='player.vimeo.com']",
59        "iframe[src*='youtube.com']",
60        "iframe[src*='youtube-nocookie.com']",
61        "iframe[src*='kickstarter.com'][src*='video.html']",
62        "object",
63        "embed"
64      ];
65
66      if (settings.customSelector) {
67        selectors.push(settings.customSelector);
68      }
69
70      var $allVideos = $(this).find(selectors.join(','));
71      $allVideos = $allVideos.not("object object"); // SwfObj conflict patch
72
73      $allVideos.each(function(){
74        var $this = $(this);
75        if (this.tagName.toLowerCase() === 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }
76        var height = ( this.tagName.toLowerCase() === 'object' || ($this.attr('height') && !isNaN(parseInt($this.attr('height'), 10))) ) ? parseInt($this.attr('height'), 10) : $this.height(),
77            width = !isNaN(parseInt($this.attr('width'), 10)) ? parseInt($this.attr('width'), 10) : $this.width(),
78            aspectRatio = height / width;
79        if(!$this.attr('id')){
80          var videoID = 'fitvid' + Math.floor(Math.random()*999999);
81          $this.attr('id', videoID);
82        }
83        $this.wrap('<div class="fluid-width-video-wrapper"></div>').parent('.fluid-width-video-wrapper').css('padding-top', (aspectRatio * 100)+"%");
84        $this.removeAttr('height').removeAttr('width');
85      });
86    });
87  };
88})( jQuery );