https://papigonzo.art/wp-content/themes/orvis/js/functions.js?ver=20151231

1/* global screenReaderText */
2( function( $ ) {
3
4	var body, masthead, menuToggle, siteMenu, siteNavigation, resizeTimer;
5
6	function initMainNavigation( container ) {
7
8		// Add dropdown toggle that displays child menu items.
9		var dropdownToggle = $( '<button />', {
10			'class': 'dropdown-toggle',
11			'aria-expanded': false
12		} ).append( $( '<span />', {
13			'class': 'screen-reader-text',
14			text: screenReaderText.expand
15		} ) );
16
17		container.find( '.menu-item-has-children > a' ).after( dropdownToggle );
18
19		// Toggle buttons and submenu items with active children menu items.
20		container.find( '.current-menu-ancestor > button' ).addClass( 'toggled-on' );
21		container.find( '.current-menu-ancestor > .sub-menu' ).addClass( 'toggled-on' );
22
23		// Add menu items with submenus to aria-haspopup="true".
24		container.find( '.menu-item-has-children' ).attr( 'aria-haspopup', 'true' );
25
26		container.find( '.dropdown-toggle' ).click( function( e ) {
27			var _this            = $( this ),
28				screenReaderSpan = _this.find( '.screen-reader-text' );
29
30			e.preventDefault();
31			_this.toggleClass( 'toggled-on' );
32			_this.next( '.children, .sub-menu' ).toggleClass( 'toggled-on' );
33
34			// jscs:disable
35			_this.attr( 'aria-expanded', _this.attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
36			// jscs:enable
37			screenReaderSpan.text( screenReaderSpan.text() === screenReaderText.expand ? screenReaderText.collapse : screenReaderText.expand );
38		} );
39	}
40	initMainNavigation( $( '.main-navigation' ) );
41
42	masthead         = $( '#masthead' );
43	menuToggle       = masthead.find( '#menu-toggle' );
44	siteMenu         = masthead.find( '#site-menu' );
45	siteNavigation   = masthead.find( '#site-navigation' );
46
47	// Enable menuToggle.
48	( function() {
49
50		// Return early if menuToggle is missing.
51		if ( ! menuToggle.length ) {
52			return;
53		}
54
55		// Add an initial values for the attribute.
56		menuToggle.add( siteNavigation ).attr( 'aria-expanded', 'false' );
57
58		menuToggle.on( 'click.orvis', function() {
59			$( this ).add( siteMenu ).add( siteNavigation ).toggleClass( 'toggled-on' );
60
61			// jscs:disable
62			$( this ).add( siteMenu ).add( siteNavigation ).attr( 'aria-expanded', $( this ).add( siteNavigation ).attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
63			// jscs:enable
64		} );
65	} )();
66
67	// Fix sub-menus for touch devices and better focus for hidden submenu items for accessibility.
68	( function() {
69		if ( ! siteNavigation.length || ! siteNavigation.children().length ) {
70			return;
71		}
72
73		// Toggle `focus` class to allow submenu access on tablets.
74		function toggleFocusClassTouchScreen() {
75			if ( window.innerWidth >= 840 ) {
76				$( document.body ).on( 'touchstart.orvis', function( e ) {
77					if ( ! $( e.target ).closest( '.main-navigation li' ).length ) {
78						$( '.main-navigation li' ).removeClass( 'focus' );
79					}
80				} );
81				siteNavigation.find( '.menu-item-has-children > a' ).on( 'touchstart.orvis', function( e ) {
82					var el = $( this ).parent( 'li' );
83
84					if ( ! el.hasClass( 'focus' ) ) {
85						e.preventDefault();
86						el.toggleClass( 'focus' );
87						el.siblings( '.focus' ).removeClass( 'focus' );
88					}
89				} );
90			} else {
91				siteNavigation.find( '.menu-item-has-children > a' ).unbind( 'touchstart.orvis' );
92			}
93		}
94
95		if ( 'ontouchstart' in window ) {
96			$( window ).on( 'resize.orvis', toggleFocusClassTouchScreen );
97			toggleFocusClassTouchScreen();
98		}
99
100		siteNavigation.find( 'a' ).on( 'focus.orvis blur.orvis', function() {
101			$( this ).parents( '.menu-item' ).toggleClass( 'focus' );
102		} );
103	} )();
104
105	// Add the default ARIA attributes for the menu toggle and the navigations.
106	function onResizeARIA() {
107		if ( window.innerWidth < 840 ) {
108			if ( menuToggle.hasClass( 'toggled-on' ) ) {
109				menuToggle.attr( 'aria-expanded', 'true' );
110				siteMenu.attr( 'aria-expanded', 'true' );
111				siteNavigation.attr( 'aria-expanded', 'true' );
112			} else {
113				menuToggle.attr( 'aria-expanded', 'false' );
114				siteMenu.attr( 'aria-expanded', 'false' );
115				siteNavigation.attr( 'aria-expanded', 'false' );
116			}
117		} else {
118			menuToggle.removeAttr( 'aria-expanded' );
119			siteMenu.removeAttr( 'aria-expanded' );
120			siteNavigation.removeAttr( 'aria-expanded' );
121		}
122	}
123
124	// Move Jetpack's Related Posts.
125	function relatedPostsMove() {
126		var relatedPosts = $( '#jp-relatedposts' );
127
128		if ( relatedPosts.length ) {
129			relatedPosts.insertAfter( '.entry-footer' );
130		}
131	}
132
133	// Add 'large-element' class to elements.
134	function largeElement( param ) {
135		if ( body.hasClass( 'page' ) || body.hasClass( 'search' ) || body.hasClass( 'single-attachment' ) || body.hasClass( 'error404' ) ) {
136			return;
137		}
138
139		$( '.entry-content' ).find( param ).each( function() {
140			var element              = $( this ),
141				elementPos           = element.offset(),
142				elementPosTop        = elementPos.top,
143				entryFooter          = element.closest( 'article' ).find( '.entry-footer' ),
144				entryFooterPos       = entryFooter.offset(),
145				entryFooterPosBottom = entryFooterPos.top + ( entryFooter.height() ),
146				caption              = element.closest( 'figure' ),
147				newImg;
148
149			if ( elementPosTop >= entryFooterPosBottom && element.parents( 'table' ).length === 0 ) {
150				if ( 'img.size-full' === param ) {
151					newImg = new Image();
152					newImg.src = element.attr( 'src' );
153
154					$( newImg ).load( function() {
155						if ( newImg.width >= 924  ) {
156							element.addClass( 'large-element' );
157
158							if ( caption.hasClass( 'wp-caption' ) ) {
159								caption.addClass( 'large-element' );
160								caption.removeAttr( 'style' );
161							}
162						}
163					} );
164				} else if ( '.jetpack-video-wrapper' === param ) {

165					if ( element.find( 'iframe, embed, object, video' ).width() >= 600 && ! element.hasClass( 'large-element' ) ) {
166						element.addClass( 'large-element' );
167						body.resize();
168					}
169				} else if ( '.tiled-gallery, .jetpack-slideshow' === param ) {
170					if ( ! element.parent().hasClass( 'large-element' ) ) {
171						element.wrap( '<div class="large-element" />' );
172						body.resize();
173					}
174				} else {
175					element.addClass( 'large-element' );
176				}
177			}
178		} );
179	}
180
181	$( document ).ready( function() {
182		body = $( document.body );
183
184		$( window )
185			.on( 'load.orvis', onResizeARIA )
186			.on( 'resize.orvis', function() {
187				clearTimeout( resizeTimer );
188				resizeTimer = setTimeout( function() {
189					largeElement( 'img.size-full' );
190					largeElement( '.tiled-gallery, .jetpack-slideshow' );
191					largeElement( '.jetpack-video-wrapper' );
192				}, 300 );
193				onResizeARIA();
194			} )
195			.on( 'post-load.orvis', function() {
196				largeElement( 'img.size-full' );
197				largeElement( '.tiled-gallery, .jetpack-slideshow' );
198				largeElement( '.jetpack-video-wrapper' );
199			} );
200
201		relatedPostsMove();
202		largeElement( 'img.size-full' );
203		largeElement( '.tiled-gallery, .jetpack-slideshow' );
204		largeElement( '.jetpack-video-wrapper' );
205	} );
206
207} )( jQuery );