4 * Contains handlers for navigation, accessibility, header sizing
5 * footer widgets and Featured Content slider
9 var body = $( 'body' ),
10 _window = $( window );
12 // Enable menu toggle for small screens.
14 var nav = $( '#primary-navigation' ), button, menu;
19 button = nav.find( '.menu-toggle' );
24 // Hide button if menu is missing or empty.
25 menu = nav.find( '.nav-menu' );
26 if ( ! menu || ! menu.children().length ) {
31 $( '.menu-toggle' ).on( 'click.twentyfourteen', function() {
32 nav.toggleClass( 'toggled-on' );
37 * Makes "skip to content" link work correctly in IE9 and Chrome for better
40 * @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/
42 _window.on( 'hashchange.twentyfourteen', function() {
43 var hash = location.hash.substring( 1 ), element;
49 element = document.getElementById( hash );
52 if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) {
53 element.tabIndex = -1;
58 // Repositions the window on jump-to-anchor to account for header height.
59 window.scrollBy( 0, -80 );
65 $( '.search-toggle' ).on( 'click.twentyfourteen', function( event ) {
67 wrapper = $( '.search-box-wrapper' );
69 that.toggleClass( 'active' );
70 wrapper.toggleClass( 'hide' );
72 if ( that.is( '.active' ) || $( '.search-toggle .screen-reader-text' )[0] === event.target ) {
73 wrapper.find( '.search-field' ).focus();
78 * Fixed header for large screen.
79 * If the header becomes more than 48px tall, unfix the header.
81 * The callback on the scroll event is only added if there is a header
82 * image and we are not on mobile.
84 if ( _window.width() > 781 ) {
85 var mastheadHeight = $( '#masthead' ).height(),
86 toolbarOffset, mastheadOffset;
88 if ( mastheadHeight > 48 ) {
89 body.removeClass( 'masthead-fixed' );
92 if ( body.is( '.header-image' ) ) {
93 toolbarOffset = body.is( '.admin-bar' ) ? $( '#wpadminbar' ).height() : 0;
94 mastheadOffset = $( '#masthead' ).offset().top - toolbarOffset;
96 _window.on( 'scroll.twentyfourteen', function() {
97 if ( _window.scrollTop() > mastheadOffset && mastheadHeight < 49 ) {
98 body.addClass( 'masthead-fixed' );
100 body.removeClass( 'masthead-fixed' );
106 // Focus styles for menus.
107 $( '.primary-navigation, .secondary-navigation' ).find( 'a' ).on( 'focus.twentyfourteen blur.twentyfourteen', function() {
108 $( this ).parents().toggleClass( 'focus' );
112 _window.load( function() {
113 // Arrange footer widgets vertically.
114 if ( $.isFunction( $.fn.masonry ) ) {
115 $( '#footer-sidebar' ).masonry( {
116 itemSelector: '.widget',
117 columnWidth: function( containerWidth ) {
118 return containerWidth / 4;
122 isRTL: $( 'body' ).is( '.rtl' )
126 // Initialize Featured Content slider.
127 if ( body.is( '.slider' ) ) {
128 $( '.featured-content' ).featuredslider( {
129 selector: '.featured-content-inner > article',
130 controlsContainer: '.featured-content'