/*!

* jQuery UI Effects Bounce 1.11.4
* http://jqueryui.com
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/bounce-effect/
*/

(function( factory ) {

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

        // AMD. Register as an anonymous module.
        define([
                "jquery",
                "./effect"
        ], factory );
} else {

        // Browser globals
        factory( jQuery );
}

}(function( $ ) {

return $.effects.effect.bounce = function( o, done ) {

var el = $( this ),
        props = [ "position", "top", "bottom", "left", "right", "height", "width" ],

        // defaults:
        mode = $.effects.setMode( el, o.mode || "effect" ),
        hide = mode === "hide",
        show = mode === "show",
        direction = o.direction || "up",
        distance = o.distance,
        times = o.times || 5,

        // number of internal animations
        anims = times * 2 + ( show || hide ? 1 : 0 ),
        speed = o.duration / anims,
        easing = o.easing,

        // utility:
        ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
        motion = ( direction === "up" || direction === "left" ),
        i,
        upAnim,
        downAnim,

        // we will need to re-assemble the queue to stack our animations in place
        queue = el.queue(),
        queuelen = queue.length;

// Avoid touching opacity to prevent clearType and PNG issues in IE
if ( show || hide ) {
        props.push( "opacity" );
}

$.effects.save( el, props );
el.show();
$.effects.createWrapper( el ); // Create Wrapper

// default distance for the BIGGEST bounce is the outer Distance / 3
if ( !distance ) {
        distance = el[ ref === "top" ? "outerHeight" : "outerWidth" ]() / 3;
}

if ( show ) {
        downAnim = { opacity: 1 };
        downAnim[ ref ] = 0;

        // if we are showing, force opacity 0 and set the initial position
        // then do the "first" animation
        el.css( "opacity", 0 )
                .css( ref, motion ? -distance * 2 : distance * 2 )
                .animate( downAnim, speed, easing );
}

// start at the smallest distance if we are hiding
if ( hide ) {
        distance = distance / Math.pow( 2, times - 1 );
}

downAnim = {};
downAnim[ ref ] = 0;
// Bounces up/down/left/right then back to 0 -- times * 2 animations happen here
for ( i = 0; i < times; i++ ) {
        upAnim = {};
        upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;

        el.animate( upAnim, speed, easing )
                .animate( downAnim, speed, easing );

        distance = hide ? distance * 2 : distance / 2;
}

// Last Bounce when Hiding
if ( hide ) {
        upAnim = { opacity: 0 };
        upAnim[ ref ] = ( motion ? "-=" : "+=" ) + distance;

        el.animate( upAnim, speed, easing );
}

el.queue(function() {
        if ( hide ) {
                el.hide();
        }
        $.effects.restore( el, props );
        $.effects.removeWrapper( el );
        done();
});

// inject all the animations we just queued to be first in line (after "inprogress")
if ( queuelen > 1) {
        queue.splice.apply( queue,
                [ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );
}
el.dequeue();

};

}));