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R(e){if(window.CSS&&window.CSS.supports&&window.CSS.supports("display","grid")){var t,o=e.target,a=r.closest(o,c);if(a){if(!(t=a)||!t.getAttribute("data-carousel-extra"))return;if(!N(o))return;document.documentElement.style.height="auto",e.preventDefault(),e.stopPropagation();var i=r.closest(o,d),n=Array.prototype.indexOf.call(a.querySelectorAll(d),i);F(a,{startIndex:n})}}}document.body.addEventListener("click",W),document.body.addEventListener("keydown",W),document.querySelectorAll(u+"img").forEach(function(e){N(e)&&y(e)}),1===Number(jetpackCarouselStrings.single_image_gallery)&&(b(),document.body.addEventListener("is.post-load",function(){b()})),window.addEventListener("hashchange",function(){var e=/jp-carousel-(\d+)/;if(window.location.hash&&e.test(window.location.hash)){if(window.location.hash!==l||!p.isOpen)if(window.location.hash&&p.gallery&&!p.isOpen&&history.back)history.back();else{l=window.location.hash;for(var t=window.location.hash.match(e),r=parseInt(t[1],10),o=document.querySelectorAll(c),a=0;a { if (window.Swipe) { resolve(window.Swipe); } else { const swipeScript = document.createElement('script'); swipeScript.src = comment_like_text.swipeUrl; swipeScript.async = true; document.body.appendChild(swipeScript); swipeScript.addEventListener('load', () => resolve(window.Swipe)); swipeScript.addEventListener('error', error => reject(error)); } }); } return swipeLibPromise; } /** * Parse the comment ID from a comment like link. */ function getCommentId(link) { const commentId = link && link.getAttribute('href') && link.getAttribute('href').split('like_comment='); return commentId[1].split('&_wpnonce=')[0]; } /** * Handle an ajax action on the comment like link. */ function handleLinkAction(link, action, commentId, callback) { const nonce = link && link.getAttribute('href') && link.getAttribute('href').split('_wpnonce=')[1]; fetch('/wp-admin/admin-ajax.php', { method: 'POST', body: new URLSearchParams({ action: action, _wpnonce: nonce, like_comment: commentId, blog_id: Number(link.dataset.blog), }), headers: { 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8', 'X-Requested-With': 'XMLHttpRequest', Accept: 'application/json', 'cache-control': 'no-cache', pragma: 'no-cache', }, }) .then(response => response.json()) .then(callback); } function startPolling() { // Append cookie polling login iframe to this window to wait for user to finish logging in (or cancel) const loginIframe = document.createElement('iframe'); loginIframe.id = 'wp-login-polling-iframe'; loginIframe.src = 'https://wordpress.com/public.api/connect/?iframe=true'; document.body.appendChild(loginIframe); loginIframe.style.display = 'none'; } function stopPolling() { const iframe = document.querySelector('#wp-login-polling-iframe'); if (iframe) { iframe.remove(); } } function hide(el) { if (el && el.style) { el.style.display = 'none'; } } function show(el) { if (el && el.style) { el.style.removeProperty('display'); } } // Overlay used for displaying comment like info. class Overlay { constructor() { // Overlay element. this.el = document.createElement('div'); this.el.classList.add('comment-likes-overlay'); document.body.appendChild(this.el); hide(this.el); this.el.addEventListener('mouseenter', () => { // Don't hide the overlay if the user is mousing over it. overlay.cancelHide(); }); this.el.addEventListener('mouseleave', () => overlay.requestHide()); // Inner contents of overlay. this.innerEl = null; // Instance of the Swipe library. this.swipe = null; // Timeout used for hiding the overlay. this.hideTimeout = null; } // Initialise the overlay for use, removing any old content. clear() { // Unload any previous instance of Swipe (to avoid leaking a global // event handler). This is done before clearing the contents of the // overlay because Swipe expects the slides to still be present. if (this.swipe) { this.swipe.kill(); this.swipe = null; } this.el.innerHTML = ''; this.innerEl = document.createElement('div'); this.innerEl.classList.add('inner'); this.el.appendChild(this.innerEl); } /** * Construct a list (
    ) of user (gravatar, name) details. * * @param data liker data returned from the server * @param klass CSS class to apply to the
      element * @param start index of user to start at * @param length number of users to include in the list * * @return A container element with the list */ getUserBits(data, klass, start, length) { start = start || 0; let last = start + (length || data.length); last = last > data.length ? data.length : last; const container = document.createElement('div'); container.classList.add('liker-list'); let html = `'; container.innerHTML = html; return container; } /** * Render the display of who has liked this comment. The type of * display depends on how many people have liked the comment. * If more than 10 people have liked the comment, this function * renders navigation controls and sets up the Swipe library for * changing between pages. * * @param link the element over which the user is hovering * @param data the results retrieved from the server */ showLikes(link, data) { this.clear(); link.dataset.likeCount = data.length; if (data.length === 0) { // No likers after all. hide(this.el); return; } this.innerEl.style.padding = '12px'; if (data.length < 6) { // Only one column needed. this.innerEl.style.maxWidth = '200px'; this.innerEl.innerHTML = ''; this.innerEl.appendChild(this.getUserBits(data, 'single')); this.setPosition(link); } else if (data.length < 11) { // Two columns, but only one page. this.innerEl.innerHTML = ''; this.innerEl.appendChild(this.getUserBits(data, 'double')); this.setPosition(link); } else { // Multiple pages. this.renderLikesWithPagination(data, link); } } /** * Render multiple pages of likes with pagination controls. * This function is intended to be called by `showLikes` above. * * @param data the results retrieved from the server */ renderLikesWithPagination(data, link) { swipeLibLoader().then(() => { const page_count = Math.ceil(data.length / 10); // Swipe requires two nested containers. const swipe = document.createElement('div'); swipe.classList.add('swipe'); this.innerEl.appendChild(swipe); const wrap = document.createElement('div'); wrap.classList.add('swipe-wrap'); swipe.appendChild(wrap); for (let i = 0; i < page_count; ++i) { wrap.appendChild(this.getUserBits(data, 'double', i * 10, 10)); } /** * Navigation controls. * This is based on the Newdash controls found in * reader/recommendations-templates.php */ const nav = document.createElement('nav'); nav.classList.add('slider-nav'); let navContents = ` `; for (let i = 0; i < page_count; ++i) { navContents += ``; } navContents += ` `; this.innerEl.appendChild(nav); nav.innerHTML = navContents; /** Set up Swipe. **/ // Swipe cannot be set up successfully unless its container // is visible, so we show it now. show(this.el); this.setPosition(link); this.swipe = new Swipe(swipe, { callback: function (pos) { // Update the pagination indicators. // // If there are exactly two pages, Swipe has a weird // special case where it duplicates both pages and // can return index 2 and 3 even though those aren't // real pages (see swipe.js, line 47). To deal with // this, we use the expression `pos % page_count`. pos = pos % page_count; nav.querySelectorAll('em').forEach(em => { const page = Number(em.dataset.page); em.setAttribute('class', pos === page ? 'on' : ''); }); }, }); nav.querySelectorAll('em').forEach(em => { em.addEventListener('click', e => { // Go to the page corresponding to the indicator clicked. this.swipe.slide(Number(em.dataset.page)); e.preventDefault(); }); }); // Previous and next buttons. nav.querySelector('.prev').addEventListener('click', e => { this.swipe.prev(); e.preventDefault(); }); nav.querySelector('.next').addEventListener('click', e => { this.swipe.next(); e.preventDefault(); }); }); } /** * Open the overlay and show a loading message. */ showLoadingMessage(link) { this.clear(); this.innerEl.textContent = comment_like_text.loading; this.setPosition(link); } /** * Position the overlay near the current comment. * * @param link element near which to position the overlay */ setPosition(link) { // Prepare a down arrow icon for the bottom of the overlay. const icon = document.createElement('span'); this.el.appendChild(icon); icon.classList.add('icon', 'noticon', 'noticon-downarrow'); icon.style.textShadow = '0px 1px 1px rgb(223, 223, 223)'; const rect = link.getBoundingClientRect(); const win = document.defaultView; const offset = { top: rect.top + win.scrollY, left: rect.left + win.scrollX, }; // Take measurements with the element fully visible. show(this.el); let left = offset.left - (this.el.offsetWidth - link.offsetWidth) / 2; left = left < 5 ? 5 : left; let top = offset.top - this.el.offsetHeight + 5; hide(this.el); const adminBar = document.querySelector('#wpadminbar'); // Check if the overlay would appear off the screen. if (top < win.scrollY + ((adminBar && adminBar.offsetHeight) || 0)) { // We'll display the overlay beneath the link instead. top = offset.top + link.offsetHeight; // Instead of using the down arrow icon, use an up arrow. icon.remove(); this.el.prepend(icon); icon.classList.remove('noticon-downarrow'); icon.classList.add('noticon-uparrow'); icon.style.textShadow = '0px -1px 1px rgb(223, 223, 223)'; icon.style.verticalAlign = 'bottom'; } this.el.style.left = `${left}px`; this.el.style.top = `${top}px`; show(this.el); // The height of the arrow icon differs slightly between browsers, // so we compute the margin here to make sure it isn't disjointed // from the overlay. icon.style.marginTop = `${icon.scrollHeight - 26}px`; icon.style.marginBottom = `${20 - icon.scrollHeight}px`; // Position the arrow to be horizontally centred on the link. icon.style.paddingLeft = `${ offset.left - left + (link.offsetWidth - icon.scrollWidth) / 2 }px`; } /** * Return whether the overlay is visible. */ isVisible() { return this.el.style.getPropertyValue('display') !== 'none'; } /** * Request that the overlay be hidden after a short delay. */ requestHide() { if (this.hideTimeout !== null) { return; } this.hideTimeout = setTimeout(() => { hide(this.el); this.clear(); }, 300); } /** * Cancel a request to hide the overlay. */ cancelHide() { if (this.hideTimeout !== null) { clearTimeout(this.hideTimeout); this.hideTimeout = null; } } } // Overlay used for displaying comment like info. const overlay = new Overlay(); // The most recent comment for which the user has requested to see // who liked it. var relevantComment; // Precache after this timeout. var precacheTimeout = null; /** * Fetch the like data for a particular comment. */ function fetchLikeData(link, commentId) { commentLikeCache[commentId] = null; const container = link && link.parentElement && link.parentElement.parentElement; const star = container.querySelector('a.comment-like-link'); star && handleLinkAction(star, 'view_comment_likes', commentId, data => { // Populate the cache. commentLikeCache[commentId] = data; // Only show the overlay if the user is interested. if (overlay.isVisible() && relevantComment === commentId) { overlay.showLikes(link, data); } }); } function readCookie(c) { const nameEQ = c + '='; const cookieStrings = document.cookie.split(';'); for (let i = 0; i < cookieStrings.length; i++) { let cookieString = cookieStrings[i]; while (cookieString.charAt(0) === ' ') { cookieString = cookieString.substring(1, cookieString.length); } if (cookieString.indexOf(nameEQ) === 0) { const chunk = cookieString.substring(nameEQ.length, cookieString.length); const pairs = chunk.split('&'); const cookieData = {}; for (let num = pairs.length - 1; num >= 0; num--) { const pair = pairs[num].split('='); cookieData[pair[0]] = decodeURIComponent(pair[1]); } return cookieData; } } return null; } function getServiceData() { const data = readCookie('wpc_wpc'); if (data === null || typeof data.access_token === 'undefined' || !data.access_token) { return false; } return data; } function readMessage(msg) { const event = msg.data; if (typeof event.event === 'undefined') { return; } if (event.event === 'login' && event.success) { extWinCheck = setInterval(function () { if (!extWin || extWin.closed) { clearInterval(extWinCheck); if (getServiceData()) { // Load page in an iframe to get the current comment nonce const nonceIframe = document.createElement('iframe'); nonceIframe.id = 'wp-login-comment-nonce-iframe'; nonceIframe.style.display = 'none'; nonceIframe.src = commentLikeEvent + ''; document.body.appendChild(nonceIframe); const commentLikeId = (commentLikeEvent + '') .split('like_comment=')[1] .split('&_wpnonce=')[0]; let c; // Set a 5 second timeout to redirect to the comment page without doing the Like as a fallback const commentLikeTimeout = setTimeout(() => { window.location = commentLikeEvent; }, 5000); // Check for a new nonced redirect and use that if available before timing out const commentLikeCheck = setInterval(() => { const iframe = document.querySelector('#wp-login-comment-nonce-iframe'); if (iframe) { c = iframe.querySelector(`#comment-like-${commentLikeId} .comment-like-link`); } if (c && typeof c.href !== 'undefined') { clearTimeout(commentLikeTimeout); clearInterval(commentLikeCheck); window.location = c.href; } }, 100); } } }, 100); if (extWin) { if (!extWin.closed) { extWin.close(); } extWin = false; } stopPolling(); } } if (typeof window.postMessage !== 'undefined') { window.addEventListener('message', e => { let message = e && e.data; if (typeof message === 'string') { try { message = JSON.parse(message); } catch (err) { return; } } const type = message && message.type; if (type === 'loginMessage') { readMessage(message); } }); } document.body.addEventListener('click', e => { let target = e.target; // Don't do anything when clicking on the "X people" link. if (target.matches('p.comment-likes a.view-likers')) { e.preventDefault(); return; } // Retrieve the surrounding paragraph to the star, if it hasn't been liked. const notLikedPar = target.closest('p.comment-not-liked'); // Return if not clicking on star or surrounding paragraph. if (!target.matches('a.comment-like-link') && !notLikedPar) { return; } // When a comment hasn't been liked, make the text clickable, too. if (notLikedPar) { target = notLikedPar.querySelector('a.comment-like-link'); if (!target) { return; } } if (target.classList.contains('needs-login')) { e.preventDefault(); commentLikeEvent = target; if (extWin) { if (!extWin.closed) { extWin.close(); } extWin = false; } stopPolling(); const url = 'https://wordpress.com/public.api/connect/?action=request&service=wordpress'; extWin = window.open( url, 'likeconn', 'status=0,toolbar=0,location=1,menubar=0,directories=0,resizable=1,scrollbars=1,height=560,width=500' ); startPolling(); return false; } // Record that the user likes or does not like this comment. const commentId = getCommentId(target); target.classList.add('loading'); let commentEl = document.querySelector(`p#comment-like-${commentId}`); // Determine whether to like or unlike based on whether the comment is // currently liked. const action = commentEl && commentEl.dataset.liked === 'comment-liked' ? 'unlike_comment' : 'like_comment'; handleLinkAction(target, action, commentId, data => { // Invalidate the like cache for this comment. delete commentLikeCache[commentId]; const countEl = document.querySelector(`#comment-like-count-${data.context}`); if (countEl) { countEl.innerHTML = data.display; } commentEl = document.querySelector(`p#comment-like-${data.context}`); if (action === 'like_comment') { commentEl.classList.remove('comment-not-liked'); commentEl.classList.add('comment-liked'); commentEl.dataset.liked = 'comment-liked'; } else { commentEl.classList.remove('comment-liked'); commentEl.classList.add('comment-not-liked'); commentEl.dataset.liked = 'comment-not-liked'; } // Prefetch new data for this comment (if there are likers left). const parent = target.closest('.comment-likes'); const link = parent && parent.querySelector('a.view-likers'); if (link) { fetchLikeData(link, commentId); } target.classList.remove('loading'); }); e.preventDefault(); e.stopPropagation(); }); document.body.addEventListener( 'mouseenter', function (e) { if (!e.target.matches('p.comment-likes a.view-likers')) { return; } // Show the user a list of who has liked this comment. const link = e.target; if (Number(link.dataset.likeCount || 0) === 0) { // No one has liked this comment. return; } // Don't hide the overlay. overlay.cancelHide(); // Get the comment ID. const container = link.parentElement && link.parentElement.parentElement; const star = container && container.querySelector('a.comment-like-link'); const commentId = star && getCommentId(star); relevantComment = commentId; // Check if the list of likes for this comment is already in // the cache. if (commentId in commentLikeCache) { const entry = commentLikeCache[commentId]; // Only display the likes if the ajax request is // actually done. if (entry !== null) { overlay.showLikes(link, entry); } else { // Make sure the overlay is visible (in case // the user moved the mouse away while loading // but then came back before it finished // loading). overlay.showLoadingMessage(link); } return; } // Position the "Loading..." overlay. overlay.showLoadingMessage(link); // Fetch the data. fetchLikeData(link, commentId); }, true ); document.body.addEventListener( 'mouseleave', e => { if (!e.target.matches('p.comment-likes a.view-likers')) { return; } // User has moved cursor away - hide the overlay. overlay.requestHide(); }, true ); document.body.addEventListener( 'mouseenter', e => { if (!e.target.matches('.comment') || !e.target.querySelector('a.comment-like-link')) { return; } // User is moving over a comment - precache the comment like data. if (precacheTimeout !== null) { clearTimeout(precacheTimeout); precacheTimeout = null; } const star = e.target.querySelector('a.comment-like-link'); const parent = star.closest('.comment-likes'); const link = parent && parent.querySelector('a.view-likers'); if (!link || Number(link.dataset.likeCount || 0) === 0) { // No likes. return; } const commentId = getCommentId(star); if (commentId in commentLikeCache) { // Already in cache. return; } precacheTimeout = setTimeout(() => { precacheTimeout = null; if (commentId in commentLikeCache) { // Was cached in the interim. return; } fetchLikeData(link, commentId); }, 1000); }, true ); } if (document.readyState !== 'loading') { init(); } else { document.addEventListener('DOMContentLoaded', init); } })(); ; ( function () { 'use strict'; if ( typeof window.wpcom === 'undefined' ) { window.wpcom = {}; } if ( window.wpcom.carousel ) { return; } var prebuilt_widths = jetpackCarouselStrings.widths; var pageviews_stats_args = jetpackCarouselStrings.stats_query_args; var findFirstLargeEnoughWidth = function ( original_w, original_h, dest_w, dest_h ) { var inverse_ratio = original_h / original_w; for ( var i = 0; i < prebuilt_widths.length; ++i ) { if ( prebuilt_widths[ i ] >= dest_w || prebuilt_widths[ i ] * inverse_ratio >= dest_h ) { return prebuilt_widths[ i ]; } } return original_w; }; var removeResizeFromImageURL = function ( url ) { return removeArgFromURL( url, 'resize' ); }; var removeArgFromURL = function ( url, arg ) { var re = new RegExp( '[\\?&]' + arg + '(=[^?&]+)?' ); if ( url.match( re ) ) { return url.replace( re, '' ); } return url; }; var addWidthToImageURL = function ( url, width ) { width = parseInt( width, 10 ); // Give devices with a higher devicePixelRatio higher-res images (Retina display = 2, Android phones = 1.5, etc) if ( 'undefined' !== typeof window.devicePixelRatio && window.devicePixelRatio > 1 ) { width = Math.round( width * window.devicePixelRatio ); } url = addArgToURL( url, 'w', width ); url = addArgToURL( url, 'h', '' ); return url; }; var addArgToURL = function ( url, arg, value ) { var re = new RegExp( arg + '=[^?&]+' ); if ( url.match( re ) ) { return url.replace( re, arg + '=' + value ); } else { var divider = url.indexOf( '?' ) !== -1 ? '&' : '?'; return url + divider + arg + '=' + value; } }; var stat = function ( names ) { if ( typeof names !== 'string' ) { names = names.join( ',' ); } new Image().src = window.location.protocol + '//pixel.wp.com/g.gif?v=wpcom-no-pv' + '&x_carousel=' + names + '&baba=' + Math.random(); }; var pageview = function ( post_id ) { new Image().src = window.location.protocol + '//pixel.wp.com/g.gif?host=' + encodeURIComponent( window.location.host ) + '&ref=' + encodeURIComponent( document.referrer ) + '&rand=' + Math.random() + '&' + pageviews_stats_args + '&post=' + encodeURIComponent( post_id ); }; var generateImgSrc = function ( srcItem, max ) { var origSize = srcItem.getAttribute( 'data-orig-size' ) || ''; var src = srcItem.getAttribute( 'src' ) || srcItem.getAttribute( 'original' ) || srcItem.getAttribute( 'data-original' ) || srcItem.getAttribute( 'data-lazy-src' ); if ( src.indexOf( 'imgpress' ) !== -1 ) { src = srcItem.getAttribute( 'data-orig-file' ); } // Square/Circle galleries use a resize param that needs to be removed. src = removeResizeFromImageURL( src ); src = addWidthToImageURL( src, findFirstLargeEnoughWidth( origSize.width, origSize.height, max.width, max.height ) ); return src; }; window.wpcom.carousel = { findFirstLargeEnoughWidth: findFirstLargeEnoughWidth, removeResizeFromImageURL: removeResizeFromImageURL, addWidthToImageURL: addWidthToImageURL, stat: stat, pageview: pageview, generateImgSrc: generateImgSrc }; } )(); ;