source: trunk/themes/default/js/ui/jquery.effects.pulsate.js @ 9172

/*
 * jQuery UI Effects Pulsate 1.8.9
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Effects/Pulsate
 *
 * Depends:
 *      jquery.effects.core.js
 */
(function( $, undefined ) {

$.effects.pulsate = function(o) {
        return this.queue(function() {
                var elem = $(this),
                        mode = $.effects.setMode(elem, o.options.mode || 'show');
                        times = ((o.options.times || 5) * 2) - 1;
                        duration = o.duration ? o.duration / 2 : $.fx.speeds._default / 2,
                        isVisible = elem.is(':visible'),
                        animateTo = 0;

                if (!isVisible) {
                        elem.css('opacity', 0).show();
                        animateTo = 1;
                }

                if ((mode == 'hide' && isVisible) || (mode == 'show' && !isVisible)) {
                        times--;
                }

                for (var i = 0; i < times; i++) {
                        elem.animate({ opacity: animateTo }, duration, o.options.easing);
                        animateTo = (animateTo + 1) % 2;
                }

                elem.animate({ opacity: animateTo }, duration, o.options.easing, function() {
                        if (animateTo == 0) {
                                elem.hide();
                        }
                        (o.callback && o.callback.apply(this, arguments));
                });

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

})(jQuery);