https://versia.ru/i/v358/js/vendor/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    var div = document.createElement('div'),
23        ref = document.getElementsByTagName('base')[0] || document.getElementsByTagName('script')[0];
24
25    div.className = 'fit-vids-style';
26    div.innerHTML = '<style>         \
27      .fluid-width-video-wrapper {        \
28         width: 100%;                     \
29         position: relative;              \
30         padding: 0;                      \
31      }                                   \
32                                          \
33      .fluid-width-video-wrapper iframe,  \
34      .fluid-width-video-wrapper object,  \
35      .fluid-width-video-wrapper embed {  \
36         position: absolute;              \
37         top: 0;                          \
38         left: 0;                         \
39         width: 100%;                     \
40         height: 100%;                    \
41      }                                   \
42    </style>';
43
44    ref.parentNode.insertBefore(div,ref);
45
46    if ( options ) {
47      $.extend( settings, options );
48    }
49
50    return this.each(function(){
51      var selectors = [
52        "iframe[src*='player.vimeo.com']",
53        "iframe[src*='www.youtube.com']",
54        "iframe[src*='www.kickstarter.com']",
55        "object",
56        "embed"
57      ];
58
59      if (settings.customSelector) {
60        selectors.push(settings.customSelector);
61      }
62
63      var $allVideos = $(this).find(selectors.join(','));
64
65      $allVideos.each(function(){
66        var $this = $(this);
67        if (this.tagName.toLowerCase() === 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }
68        var height = ( this.tagName.toLowerCase() === 'object' || ($this.attr('height') && !isNaN(parseInt($this.attr('height'), 10))) ) ? parseInt($this.attr('height'), 10) : $this.height(),
69            width = !isNaN(parseInt($this.attr('width'), 10)) ? parseInt($this.attr('width'), 10) : $this.width(),
70            aspectRatio = height / width;
71        if(!$this.attr('id')){
72          var videoID = 'fitvid' + Math.floor(Math.random()*999999);
73          $this.attr('id', videoID);
74        }
75        $this.wrap('<div class="fluid-width-video-wrapper"></div>').parent('.fluid-width-video-wrapper').css('padding-top', (aspectRatio * 100)+"%");
76        $this.removeAttr('height').removeAttr('width');
77      });
78    });
79  };
80})( jQuery );