guoren/public/javascripts/fitvids.js

76 lines
2.7 KiB
JavaScript
Executable File

/*global jQuery */
/*jshint multistr:true browser:true */
/*!
* FitVids 1.0.3
*
* 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/
*
* Date: Thu Sept 01 18:00:00 2011 -0500
*/
(function( $ ){
"use strict";
$.fn.fitVids = function( options ) {
var settings = {
customSelector: null
};
if(!document.getElementById('fit-vids-style')) {
var div = document.createElement('div'),
ref = document.getElementsByTagName('base')[0] || document.getElementsByTagName('script')[0],
cssStyles = '&shy;<style>.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%;}</style>';
div.className = 'fit-vids-style';
div.id = 'fit-vids-style';
div.style.display = 'none';
div.innerHTML = cssStyles;
ref.parentNode.insertBefore(div,ref);
}
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 $allVideos = $(this).find(selectors.join(','));
$allVideos = $allVideos.not("object object"); // SwfObj conflict patch
$allVideos.each(function(){
var $this = $(this);
if (this.tagName.toLowerCase() === 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }
var height = ( this.tagName.toLowerCase() === 'object' || ($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 );