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/* Authors:
* Petr Vobornik <pvoborni@redhat.com>
*
* Copyright (C) 2012 Red Hat
* see file 'COPYING' for use and warranty information
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
//
// AMD Wrapper for jQuery
//
define(function() {
$ = jQuery;
//
// Following code taken from jQuery UI library, MIT license, see
// README-LICENSES.txt
//
$.fn.extend({
focus: (function( orig ) {
return function( delay, fn ) {
return typeof delay === "number" ?
this.each(function() {
var elem = this;
window.setTimeout(function() {
$( elem ).focus();
if ( fn ) {
fn.call( elem );
}
}, delay );
}) :
orig.apply( this, arguments );
};
})( $.fn.focus )
});
// selectors
function focusable( element, isTabIndexNotNaN ) {
var map, mapName, img,
nodeName = element.nodeName.toLowerCase();
if ( "area" === nodeName ) {
map = element.parentNode;
mapName = map.name;
if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
return false;
}
img = $( "img[usemap=#" + mapName + "]" )[0];
return !!img && visible( img );
}
return ( /input|select|textarea|button|object/.test( nodeName ) ?
!element.disabled :
"a" === nodeName ?
element.href || isTabIndexNotNaN :
isTabIndexNotNaN) &&
// the element and all of its ancestors must be visible
visible( element );
}
function visible( element ) {
return $.expr.filters.visible( element ) &&
!$( element ).parents().addBack().filter(function() {
return $.css( this, "visibility" ) === "hidden";
}).length;
}
$.extend( $.expr[ ":" ], {
focusable: function( element ) {
return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) );
},
tabbable: function( element ) {
var tabIndex = $.attr( element, "tabindex" ),
isTabIndexNaN = isNaN( tabIndex );
return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN );
}
});
return $;
});
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