WordPress 利用 FitVids 让视频完美适配电脑与手机

/*global jQuery */
/*jshint browser:true */
/*!
* FitVids 1.1
*
* 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/
*
*/

(function( $ ){

 'use strict';

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

 if(!document.getElementById('fit-vids-style')) {
 // appendStyles: https://github.com/toddmotto/fluidvids/blob/master/dist/fluidvids.js
 var head = document.head || document.getElementsByTagName('head')[0];
 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%;}';
 var div = document.createElement("div");
 div.innerHTML = '<p>x</p><style id="fit-vids-style">' + css + '</style>';
 head.appendChild(div.childNodes[1]);
 }

 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 ignoreList = '.fitvidsignore';

 if(settings.ignore) {
 ignoreList = ignoreList + ', ' + settings.ignore;
 }

 var $allVideos = $(this).find(selectors.join(','));
 $allVideos = $allVideos.not('object object'); // SwfObj conflict patch
 $allVideos = $allVideos.not(ignoreList); // Disable FitVids on this video.

 $allVideos.each(function(){
 var $this = $(this);
 if($this.parents(ignoreList).length > 0) {
 return; // Disable FitVids on this video.
 }
 if (this.tagName.toLowerCase() === 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }
 if ((!$this.css('height') && !$this.css('width')) && (isNaN($this.attr('height')) || isNaN($this.attr('width'))))
 {
 $this.attr('height', 9);
 $this.attr('width', 16);
 }
 var height = ( this.tagName.toLowerCase() === 'object' || ($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('<div class="fluid-width-video-wrapper"></div>').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 );

function add_fitvids() {
 wp_register_script('jquery_fitvids', get_template_directory_uri(). '/js/jquery.fitvids.js', array('jquery'), '2.0.110526' );
 wp_enqueue_script('jquery_fitvids');
 add_action('wp_head', 'add_fitthem');
 function add_fitthem() { ?>
 <script type="text/javascript">
 jQuery(document).ready( function() {
 jQuery('.video').fitVids();
 });
 </script><?php
 }
}
add_action('wp_enqueue_scripts', 'add_fitvids');

function add_embed_filter( $html ) {
 $return = '<div class="video">' . $html . '</div>';
 return $return;
}
add_filter('oembed_dataparse', 'add_embed_filter');

function add_oembed_filter( $html ) {
 $return = '<div class="video">' . $html . '</div>';
 return $return;
}
add_filter('embed_youku', 'add_oembed_filter');
add_filter('embed_56com', 'add_oembed_filter');
add_filter('embed_tudou', 'add_oembed_filter');

<embed src="http://www.tudou.com/v/bL4ioykS6ho/&amp;resourceId=0_05_02_99/v.swf" type="application/x-shockwave-flash" width="300" height="150"></embed>

<div class="video">
....
</div>

<div class="video"><embed src="http://www.tudou.com/v/bL4ioykS6ho/&amp;resourceId=0_05_02_99/v.swf" type="application/x-shockwave-flash" width="300" height="150"></embed></div>