900 lines
27 KiB
JavaScript
900 lines
27 KiB
JavaScript
/*
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* Script run inside a Customizer preview frame.
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*
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* @output wp-includes/js/customize-preview.js
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*/
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(function( exports, $ ){
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var api = wp.customize,
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debounce,
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currentHistoryState = {};
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/*
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* Capture the state that is passed into history.replaceState() and history.pushState()
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* and also which is returned in the popstate event so that when the changeset_uuid
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* gets updated when transitioning to a new changeset there the current state will
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* be supplied in the call to history.replaceState().
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*/
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( function( history ) {
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var injectUrlWithState;
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if ( ! history.replaceState ) {
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return;
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}
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/**
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* Amend the supplied URL with the customized state.
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*
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* @since 4.7.0
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* @access private
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*
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* @param {string} url URL.
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* @returns {string} URL with customized state.
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*/
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injectUrlWithState = function( url ) {
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var urlParser, oldQueryParams, newQueryParams;
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urlParser = document.createElement( 'a' );
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urlParser.href = url;
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oldQueryParams = api.utils.parseQueryString( location.search.substr( 1 ) );
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newQueryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
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newQueryParams.customize_changeset_uuid = oldQueryParams.customize_changeset_uuid;
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if ( oldQueryParams.customize_autosaved ) {
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newQueryParams.customize_autosaved = 'on';
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}
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if ( oldQueryParams.customize_theme ) {
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newQueryParams.customize_theme = oldQueryParams.customize_theme;
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}
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if ( oldQueryParams.customize_messenger_channel ) {
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newQueryParams.customize_messenger_channel = oldQueryParams.customize_messenger_channel;
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}
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urlParser.search = $.param( newQueryParams );
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return urlParser.href;
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};
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history.replaceState = ( function( nativeReplaceState ) {
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return function historyReplaceState( data, title, url ) {
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currentHistoryState = data;
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return nativeReplaceState.call( history, data, title, 'string' === typeof url && url.length > 0 ? injectUrlWithState( url ) : url );
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};
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} )( history.replaceState );
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history.pushState = ( function( nativePushState ) {
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return function historyPushState( data, title, url ) {
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currentHistoryState = data;
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return nativePushState.call( history, data, title, 'string' === typeof url && url.length > 0 ? injectUrlWithState( url ) : url );
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};
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} )( history.pushState );
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window.addEventListener( 'popstate', function( event ) {
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currentHistoryState = event.state;
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} );
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}( history ) );
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/**
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* Returns a debounced version of the function.
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*
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* @todo Require Underscore.js for this file and retire this.
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*/
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debounce = function( fn, delay, context ) {
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var timeout;
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return function() {
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var args = arguments;
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context = context || this;
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clearTimeout( timeout );
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timeout = setTimeout( function() {
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timeout = null;
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fn.apply( context, args );
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}, delay );
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};
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};
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/**
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* @memberOf wp.customize
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* @alias wp.customize.Preview
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*
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* @constructor
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* @augments wp.customize.Messenger
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* @augments wp.customize.Class
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* @mixes wp.customize.Events
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*/
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api.Preview = api.Messenger.extend(/** @lends wp.customize.Preview.prototype */{
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/**
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* @param {object} params - Parameters to configure the messenger.
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* @param {object} options - Extend any instance parameter or method with this object.
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*/
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initialize: function( params, options ) {
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var preview = this, urlParser = document.createElement( 'a' );
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api.Messenger.prototype.initialize.call( preview, params, options );
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urlParser.href = preview.origin();
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preview.add( 'scheme', urlParser.protocol.replace( /:$/, '' ) );
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preview.body = $( document.body );
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preview.window = $( window );
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if ( api.settings.channel ) {
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// If in an iframe, then intercept the link clicks and form submissions.
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preview.body.on( 'click.preview', 'a', function( event ) {
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preview.handleLinkClick( event );
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} );
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preview.body.on( 'submit.preview', 'form', function( event ) {
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preview.handleFormSubmit( event );
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} );
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preview.window.on( 'scroll.preview', debounce( function() {
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preview.send( 'scroll', preview.window.scrollTop() );
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}, 200 ) );
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preview.bind( 'scroll', function( distance ) {
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preview.window.scrollTop( distance );
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});
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}
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},
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/**
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* Handle link clicks in preview.
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*
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* @since 4.7.0
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* @access public
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*
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* @param {jQuery.Event} event Event.
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*/
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handleLinkClick: function( event ) {
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var preview = this, link, isInternalJumpLink;
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link = $( event.target ).closest( 'a' );
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// No-op if the anchor is not a link.
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if ( _.isUndefined( link.attr( 'href' ) ) ) {
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return;
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}
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// Allow internal jump links and JS links to behave normally without preventing default.
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isInternalJumpLink = ( '#' === link.attr( 'href' ).substr( 0, 1 ) );
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if ( isInternalJumpLink || ! /^https?:$/.test( link.prop( 'protocol' ) ) ) {
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return;
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}
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// If the link is not previewable, prevent the browser from navigating to it.
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if ( ! api.isLinkPreviewable( link[0] ) ) {
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wp.a11y.speak( api.settings.l10n.linkUnpreviewable );
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event.preventDefault();
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return;
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}
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// Prevent initiating navigating from click and instead rely on sending url message to pane.
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event.preventDefault();
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/*
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* Note the shift key is checked so shift+click on widgets or
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* nav menu items can just result on focusing on the corresponding
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* control instead of also navigating to the URL linked to.
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*/
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if ( event.shiftKey ) {
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return;
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}
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// Note: It's not relevant to send scroll because sending url message will have the same effect.
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preview.send( 'url', link.prop( 'href' ) );
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},
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/**
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* Handle form submit.
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*
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* @since 4.7.0
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* @access public
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*
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* @param {jQuery.Event} event Event.
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*/
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handleFormSubmit: function( event ) {
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var preview = this, urlParser, form;
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urlParser = document.createElement( 'a' );
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form = $( event.target );
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urlParser.href = form.prop( 'action' );
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// If the link is not previewable, prevent the browser from navigating to it.
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if ( 'GET' !== form.prop( 'method' ).toUpperCase() || ! api.isLinkPreviewable( urlParser ) ) {
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wp.a11y.speak( api.settings.l10n.formUnpreviewable );
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event.preventDefault();
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return;
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}
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/*
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* If the default wasn't prevented already (in which case the form
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* submission is already being handled by JS), and if it has a GET
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* request method, then take the serialized form data and add it as
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* a query string to the action URL and send this in a url message
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* to the customizer pane so that it will be loaded. If the form's
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* action points to a non-previewable URL, the customizer pane's
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* previewUrl setter will reject it so that the form submission is
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* a no-op, which is the same behavior as when clicking a link to an
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* external site in the preview.
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*/
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if ( ! event.isDefaultPrevented() ) {
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if ( urlParser.search.length > 1 ) {
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urlParser.search += '&';
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}
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urlParser.search += form.serialize();
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preview.send( 'url', urlParser.href );
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}
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// Prevent default since navigation should be done via sending url message or via JS submit handler.
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event.preventDefault();
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}
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});
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/**
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* Inject the changeset UUID into links in the document.
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*
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* @since 4.7.0
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* @access protected
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*
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* @access private
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* @returns {void}
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*/
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api.addLinkPreviewing = function addLinkPreviewing() {
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var linkSelectors = 'a[href], area';
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// Inject links into initial document.
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$( document.body ).find( linkSelectors ).each( function() {
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api.prepareLinkPreview( this );
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} );
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// Inject links for new elements added to the page.
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if ( 'undefined' !== typeof MutationObserver ) {
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api.mutationObserver = new MutationObserver( function( mutations ) {
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_.each( mutations, function( mutation ) {
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$( mutation.target ).find( linkSelectors ).each( function() {
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api.prepareLinkPreview( this );
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} );
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} );
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} );
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api.mutationObserver.observe( document.documentElement, {
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childList: true,
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subtree: true
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} );
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} else {
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// If mutation observers aren't available, fallback to just-in-time injection.
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$( document.documentElement ).on( 'click focus mouseover', linkSelectors, function() {
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api.prepareLinkPreview( this );
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} );
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}
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};
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/**
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* Should the supplied link is previewable.
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*
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* @since 4.7.0
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* @access public
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*
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* @param {HTMLAnchorElement|HTMLAreaElement} element Link element.
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* @param {string} element.search Query string.
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* @param {string} element.pathname Path.
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* @param {string} element.host Host.
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* @param {object} [options]
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* @param {object} [options.allowAdminAjax=false] Allow admin-ajax.php requests.
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* @returns {boolean} Is appropriate for changeset link.
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*/
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api.isLinkPreviewable = function isLinkPreviewable( element, options ) {
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var matchesAllowedUrl, parsedAllowedUrl, args, elementHost;
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args = _.extend( {}, { allowAdminAjax: false }, options || {} );
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if ( 'javascript:' === element.protocol ) { // jshint ignore:line
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return true;
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}
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// Only web URLs can be previewed.
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if ( 'https:' !== element.protocol && 'http:' !== element.protocol ) {
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return false;
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}
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elementHost = element.host.replace( /:(80|443)$/, '' );
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parsedAllowedUrl = document.createElement( 'a' );
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matchesAllowedUrl = ! _.isUndefined( _.find( api.settings.url.allowed, function( allowedUrl ) {
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parsedAllowedUrl.href = allowedUrl;
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return parsedAllowedUrl.protocol === element.protocol && parsedAllowedUrl.host.replace( /:(80|443)$/, '' ) === elementHost && 0 === element.pathname.indexOf( parsedAllowedUrl.pathname.replace( /\/$/, '' ) );
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} ) );
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if ( ! matchesAllowedUrl ) {
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return false;
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}
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// Skip wp login and signup pages.
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if ( /\/wp-(login|signup)\.php$/.test( element.pathname ) ) {
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return false;
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}
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// Allow links to admin ajax as faux frontend URLs.
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if ( /\/wp-admin\/admin-ajax\.php$/.test( element.pathname ) ) {
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return args.allowAdminAjax;
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}
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// Disallow links to admin, includes, and content.
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if ( /\/wp-(admin|includes|content)(\/|$)/.test( element.pathname ) ) {
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return false;
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}
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return true;
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};
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/**
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* Inject the customize_changeset_uuid query param into links on the frontend.
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*
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* @since 4.7.0
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* @access protected
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*
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* @param {HTMLAnchorElement|HTMLAreaElement} element Link element.
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* @param {string} element.search Query string.
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* @param {string} element.host Host.
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* @param {string} element.protocol Protocol.
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* @returns {void}
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*/
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api.prepareLinkPreview = function prepareLinkPreview( element ) {
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var queryParams, $element = $( element );
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// Skip links in admin bar.
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if ( $element.closest( '#wpadminbar' ).length ) {
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return;
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}
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// Ignore links with href="#", href="#id", or non-HTTP protocols (e.g. javascript: and mailto:).
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if ( '#' === $element.attr( 'href' ).substr( 0, 1 ) || ! /^https?:$/.test( element.protocol ) ) {
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return;
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}
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// Make sure links in preview use HTTPS if parent frame uses HTTPS.
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if ( api.settings.channel && 'https' === api.preview.scheme.get() && 'http:' === element.protocol && -1 !== api.settings.url.allowedHosts.indexOf( element.host ) ) {
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element.protocol = 'https:';
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}
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// Ignore links with class wp-playlist-caption
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if ( $element.hasClass( 'wp-playlist-caption' ) ) {
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return;
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}
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if ( ! api.isLinkPreviewable( element ) ) {
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// Style link as unpreviewable only if previewing in iframe; if previewing on frontend, links will be allowed to work normally.
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if ( api.settings.channel ) {
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$element.addClass( 'customize-unpreviewable' );
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}
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return;
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}
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$element.removeClass( 'customize-unpreviewable' );
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queryParams = api.utils.parseQueryString( element.search.substring( 1 ) );
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queryParams.customize_changeset_uuid = api.settings.changeset.uuid;
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if ( api.settings.changeset.autosaved ) {
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queryParams.customize_autosaved = 'on';
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}
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if ( ! api.settings.theme.active ) {
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queryParams.customize_theme = api.settings.theme.stylesheet;
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}
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if ( api.settings.channel ) {
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queryParams.customize_messenger_channel = api.settings.channel;
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}
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element.search = $.param( queryParams );
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// Prevent links from breaking out of preview iframe.
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if ( api.settings.channel ) {
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element.target = '_self';
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}
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};
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/**
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* Inject the changeset UUID into Ajax requests.
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*
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* @since 4.7.0
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* @access protected
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*
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* @return {void}
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*/
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api.addRequestPreviewing = function addRequestPreviewing() {
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/**
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* Rewrite Ajax requests to inject customizer state.
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*
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* @param {object} options Options.
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* @param {string} options.type Type.
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* @param {string} options.url URL.
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* @param {object} originalOptions Original options.
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* @param {XMLHttpRequest} xhr XHR.
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* @returns {void}
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*/
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var prefilterAjax = function( options, originalOptions, xhr ) {
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var urlParser, queryParams, requestMethod, dirtyValues = {};
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urlParser = document.createElement( 'a' );
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urlParser.href = options.url;
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// Abort if the request is not for this site.
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if ( ! api.isLinkPreviewable( urlParser, { allowAdminAjax: true } ) ) {
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return;
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}
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queryParams = api.utils.parseQueryString( urlParser.search.substring( 1 ) );
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// Note that _dirty flag will be cleared with changeset updates.
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api.each( function( setting ) {
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if ( setting._dirty ) {
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dirtyValues[ setting.id ] = setting.get();
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}
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} );
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if ( ! _.isEmpty( dirtyValues ) ) {
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requestMethod = options.type.toUpperCase();
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// Override underlying request method to ensure unsaved changes to changeset can be included (force Backbone.emulateHTTP).
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if ( 'POST' !== requestMethod ) {
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xhr.setRequestHeader( 'X-HTTP-Method-Override', requestMethod );
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queryParams._method = requestMethod;
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options.type = 'POST';
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}
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// Amend the post data with the customized values.
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if ( options.data ) {
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options.data += '&';
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} else {
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options.data = '';
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}
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options.data += $.param( {
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customized: JSON.stringify( dirtyValues )
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} );
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}
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// Include customized state query params in URL.
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queryParams.customize_changeset_uuid = api.settings.changeset.uuid;
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if ( api.settings.changeset.autosaved ) {
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queryParams.customize_autosaved = 'on';
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}
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if ( ! api.settings.theme.active ) {
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queryParams.customize_theme = api.settings.theme.stylesheet;
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}
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// Ensure preview nonce is included with every customized request, to allow post data to be read.
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queryParams.customize_preview_nonce = api.settings.nonce.preview;
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urlParser.search = $.param( queryParams );
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options.url = urlParser.href;
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};
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$.ajaxPrefilter( prefilterAjax );
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};
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/**
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* Inject changeset UUID into forms, allowing preview to persist through submissions.
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*
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* @since 4.7.0
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* @access protected
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*
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* @returns {void}
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*/
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api.addFormPreviewing = function addFormPreviewing() {
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// Inject inputs for forms in initial document.
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$( document.body ).find( 'form' ).each( function() {
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api.prepareFormPreview( this );
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} );
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// Inject inputs for new forms added to the page.
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if ( 'undefined' !== typeof MutationObserver ) {
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api.mutationObserver = new MutationObserver( function( mutations ) {
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_.each( mutations, function( mutation ) {
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$( mutation.target ).find( 'form' ).each( function() {
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api.prepareFormPreview( this );
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} );
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} );
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} );
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api.mutationObserver.observe( document.documentElement, {
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childList: true,
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subtree: true
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} );
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}
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};
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/**
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* Inject changeset into form inputs.
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*
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* @since 4.7.0
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* @access protected
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*
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* @param {HTMLFormElement} form Form.
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* @returns {void}
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*/
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api.prepareFormPreview = function prepareFormPreview( form ) {
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var urlParser, stateParams = {};
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if ( ! form.action ) {
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form.action = location.href;
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}
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urlParser = document.createElement( 'a' );
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urlParser.href = form.action;
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// Make sure forms in preview use HTTPS if parent frame uses HTTPS.
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if ( api.settings.channel && 'https' === api.preview.scheme.get() && 'http:' === urlParser.protocol && -1 !== api.settings.url.allowedHosts.indexOf( urlParser.host ) ) {
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urlParser.protocol = 'https:';
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form.action = urlParser.href;
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}
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if ( 'GET' !== form.method.toUpperCase() || ! api.isLinkPreviewable( urlParser ) ) {
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// 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.
|
|
* @returns {void}
|
|
*/
|
|
custom_logo: function( attachmentId ) {
|
|
$( 'body' ).toggleClass( 'wp-custom-logo', !! attachmentId );
|
|
},
|
|
|
|
/**
|
|
* Preview changes to custom css.
|
|
*
|
|
* @param {string} value Custom CSS..
|
|
* @returns {void}
|
|
*/
|
|
custom_css: function( value ) {
|
|
$( '#wp-custom-css' ).text( value );
|
|
},
|
|
|
|
/**
|
|
* Preview changes to any of the background settings.
|
|
*
|
|
* @returns {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.
|
|
* @returns {void}
|
|
*/
|
|
handleUpdatedChangesetUuid = function( uuid ) {
|
|
api.settings.changeset.uuid = uuid;
|
|
|
|
// Update UUIDs in links and forms.
|
|
$( document.body ).find( 'a[href], area' ).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' ).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 );
|