http://rlkvn.com/administrator/components/com_droppics/assets/js/jquery.imagesloaded.js

1/*!
2 * jQuery imagesLoaded plugin v2.1.1
3 * http://github.com/desandro/imagesloaded
4 *
5 * MIT License. by Paul Irish et al.
6 */
7
8(function( window, $, undefined ){
9//'use strict';
10
11// blank image data-uri bypasses webkit log warning (thx doug jones)
12var BLANK = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==';
13
14$(document).ready(function(){
15$.fn.imagesLoaded = function( callback ) {
16    var $this = this,
17		deferred = $.isFunction($.Deferred) ? $.Deferred() : 0,
18		hasNotify = $.isFunction(deferred.notify),
19		$images = $this.find('img').add( $this.filter('img') ),
20		loaded = [],
21		proper = [],
22		broken = [];
23
24	// Register deferred callbacks
25	if ($.isPlainObject(callback)) {
26		$.each(callback, function (key, value) {
27			if (key === 'callback') {
28				callback = value;
29			} else if (deferred) {
30				deferred[key](value);
31			}
32		});
33	}
34
35	function doneLoading() {
36		var $proper = $(proper),
37			$broken = $(broken);
38
39		if ( deferred ) {
40			if ( broken.length ) {
41				deferred.reject( $images, $proper, $broken );
42			} else {
43				deferred.resolve( $images );
44			}
45		}
46
47		if ( $.isFunction( callback ) ) {
48			callback.call( $this, $images, $proper, $broken );
49		}
50	}
51
52	function imgLoadedHandler( event ) {
53		imgLoaded( event.target, event.type === 'error' );
54	}
55
56	function imgLoaded( img, isBroken ) {
57		// don't proceed if BLANK image, or image is already loaded
58		if ( img.src === BLANK || $.inArray( img, loaded ) !== -1 ) {
59			return;
60		}
61
62		// store element in loaded images array
63		loaded.push( img );
64
65		// keep track of broken and properly loaded images
66		if ( isBroken ) {
67			broken.push( img );
68		} else {
69			proper.push( img );
70		}
71
72		// cache image and its state for future calls
73		$.data( img, 'imagesLoaded', { isBroken: isBroken, src: img.src } );
74
75		// trigger deferred progress method if present
76		if ( hasNotify ) {
77			deferred.notifyWith( $(img), [ isBroken, $images, $(proper), $(broken) ] );
78		}
79
80		// call doneLoading and clean listeners if all images are loaded
81		if ( $images.length === loaded.length ) {
82			setTimeout( doneLoading );
83			$images.unbind( '.imagesLoaded', imgLoadedHandler );
84		}
85	}
86
87	// if no images, trigger immediately
88	if ( !$images.length ) {
89		doneLoading();
90	} else {
91		$images.bind( 'load.imagesLoaded error.imagesLoaded', imgLoadedHandler )
92		.each( function( i, el ) {
93			var src = el.src;
94
95			// find out if this image has been already checked for status
96			// if it was, and src has not changed, call imgLoaded on it
97			var cached = $.data( el, 'imagesLoaded' );
98			if ( cached && cached.src === src ) {
99				imgLoaded( el, cached.isBroken );
100				return;
101			}
102
103			// if complete is true and browser supports natural sizes, try
104			// to check for image status manually
105			if ( el.complete && el.naturalWidth !== undefined ) {
106				imgLoaded( el, el.naturalWidth === 0 || el.naturalHeight === 0 );
107				return;
108			}
109
110			// cached images don't fire load sometimes, so we reset src, but only when
111			// dealing with IE, or image is complete (loaded) and failed manual check
112			// webkit hack from http://groups.google.com/group/jquery-dev/browse_thread/thread/eee6ab7b2da50e1f
113			if ( el.readyState || el.complete ) {
114				el.src = BLANK;
115				el.src = src;
116			}
117		});
118	}
119
120	return deferred ? deferred.promise( $this ) : $this;
121};
122
123})})( window, jQuery );
124//});