1 /*!

     2  * jQuery UI Effects Pulsate 1.12.1

     3  * http://jqueryui.com

     4  *

     5  * Copyright jQuery Foundation and other contributors

     6  * Released under the MIT license.

     7  * http://jquery.org/license

     8  */

     9 

    10 //>>label: Pulsate Effect

    11 //>>group: Effects

    12 //>>description: Pulsates an element n times by changing the opacity to zero and back.

    13 //>>docs: http://api.jqueryui.com/pulsate-effect/

    14 //>>demos: http://jqueryui.com/effect/

    15 

    16 ( function( factory ) {

    17 	if ( typeof define === "function" && define.amd ) {

    18 

    19 		// AMD. Register as an anonymous module.

    20 		define( [

    21 			"jquery",

    22 			"./effect"

    23 		], factory );

    24 	} else {

    25 

    26 		// Browser globals

    27 		factory( jQuery );

    28 	}

    29 }( function( $ ) {

    30 

    31 return $.effects.define( "pulsate", "show", function( options, done ) {

    32 	var element = $( this ),

    33 		mode = options.mode,

    34 		show = mode === "show",

    35 		hide = mode === "hide",

    36 		showhide = show || hide,

    37 

    38 		// Showing or hiding leaves off the "last" animation

    39 		anims = ( ( options.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),

    40 		duration = options.duration / anims,

    41 		animateTo = 0,

    42 		i = 1,

    43 		queuelen = element.queue().length;

    44 

    45 	if ( show || !element.is( ":visible" ) ) {

    46 		element.css( "opacity", 0 ).show();

    47 		animateTo = 1;

    48 	}

    49 

    50 	// Anims - 1 opacity "toggles"

    51 	for ( ; i < anims; i++ ) {

    52 		element.animate( { opacity: animateTo }, duration, options.easing );

    53 		animateTo = 1 - animateTo;

    54 	}

    55 

    56 	element.animate( { opacity: animateTo }, duration, options.easing );

    57 

    58 	element.queue( done );

    59 

    60 	$.effects.unshift( element, queuelen, anims + 1 );

    61 } );

    62 

    63 } ) );