adobe/brackets

/*!
 * jQuery UI Effects Transfer @VERSION
 *
 * Copyright 2012, 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/Transfer
 *
 * Depends:
 *    jquery.effects.core.js
 */
(function( $, undefined ) {

$.effects.effect.transfer = function( o, done ) {
    var elem = $( this ),
        target = $( o.to ),
        targetFixed = target.css( "position" ) === "fixed",
        body = $("body"),
        fixTop = targetFixed ? body.scrollTop() : 0,
        fixLeft = targetFixed ? body.scrollLeft() : 0,
        endPosition = target.offset(),
        animation = {
            top: endPosition.top - fixTop ,
            left: endPosition.left - fixLeft ,
            height: target.innerHeight(),
            width: target.innerWidth()
        },
        startPosition = elem.offset(),
        transfer = $( '<div class="ui-effects-transfer"></div>' )
            .appendTo( document.body )
            .addClass( o.className )
            .css({
                top: startPosition.top - fixTop ,
                left: startPosition.left - fixLeft ,
                height: elem.innerHeight(),
                width: elem.innerWidth(),
                position: targetFixed ? "fixed" : "absolute"
            })
            .animate( animation, o.duration, o.easing, function() {
                transfer.remove();
                done();
            });
};

})(jQuery);