1 /*

     2  * jQuery UI Effects Pulsate 1.8.1

     3  *

     4  * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)

     5  * Dual licensed under the MIT (MIT-LICENSE.txt)

     6  * and GPL (GPL-LICENSE.txt) licenses.

     7  *

     8  * http://docs.jquery.com/UI/Effects/Pulsate

     9  *

    10  * Depends:

    11  *	jquery.effects.core.js

    12  */

    13 (function($) {

    14 

    15 $.effects.pulsate = function(o) {

    16 	return this.queue(function() {

    17 		var elem = $(this),

    18 			mode = $.effects.setMode(elem, o.options.mode || 'show');

    19 			times = ((o.options.times || 5) * 2) - 1;

    20 			duration = o.duration ? o.duration / 2 : $.fx.speeds._default / 2,

    21 			isVisible = elem.is(':visible'),

    22 			animateTo = 0;

    23 

    24 		if (!isVisible) {

    25 			elem.css('opacity', 0).show();

    26 			animateTo = 1;

    27 		}

    28 

    29 		if ((mode == 'hide' && isVisible) || (mode == 'show' && !isVisible)) {

    30 			times--;

    31 		}

    32 

    33 		for (var i = 0; i < times; i++) {

    34 			elem.animate({ opacity: animateTo }, duration, o.options.easing);

    35 			animateTo = (animateTo + 1) % 2;

    36 		}

    37 

    38 		elem.animate({ opacity: animateTo }, duration, o.options.easing, function() {

    39 			if (animateTo == 0) {

    40 				elem.hide();

    41 			}

    42 			(o.callback && o.callback.apply(this, arguments));

    43 		});

    44 

    45 		elem

    46 			.queue('fx', function() { elem.dequeue(); })

    47 			.dequeue();

    48 	});

    49 };

    50 

    51 })(jQuery);