1/* global wpcom_reblog */ 2 3var jetpackLikesWidgetBatch = []; 4var jetpackLikesMasterReady = false; 5 6// Due to performance problems on pages with a large number of widget iframes that need to be loaded, 7// we are limiting the processing at any instant to unloaded widgets that are currently in viewport, 8// plus this constant that will allow processing of widgets above and bellow the current fold. 9// This aim of it is to improve the UX and hide the transition from unloaded to loaded state from users. 10var jetpackLikesLookAhead = 2000; // pixels 11 12// Keeps track of loaded comment likes widget so we can unload them when they are scrolled out of view. 13var jetpackCommentLikesLoadedWidgets = []; 14 15var jetpackLikesDocReadyPromise = new Promise( resolve => { 16 if ( document.readyState !== 'loading' ) { 17 resolve(); 18 } else { 19 window.addEventListener( 'DOMContentLoaded', () => resolve() ); 20 } 21} ); 22 23function JetpackLikesPostMessage( message, target ) { 24 if ( typeof message === 'string' ) { 25 try { 26 message = JSON.parse( message ); 27 } catch ( e ) { 28 return; 29 } 30 } 31 32 if ( target && typeof target.postMessage === 'function' ) { 33 try { 34 target.postMessage( 35 JSON.stringify( { 36 type: 'likesMessage', 37 data: message, 38 } ), 39 '*' 40 ); 41 } catch ( e ) { 42 return; 43 } 44 } 45} 46 47function JetpackLikesBatchHandler() { 48 const requests = []; 49 document.querySelectorAll( 'div.jetpack-likes-widget-unloaded' ).forEach( widget => { 50 if ( jetpackLikesWidgetBatch.indexOf( widget.id ) > -1 ) { 51 return; 52 } 53 54 if ( ! jetpackIsScrolledIntoView( widget ) ) { 55 return; 56 } 57 58 jetpackLikesWidgetBatch.push( widget.id ); 59 60 var regex = /like-(post|comment)-wrapper-(\d+)-(\d+)-(\w+)/, 61 match = regex.exec( widget.id ), 62 info; 63 64 if ( ! match || match.length !== 5 ) { 65 return; 66 } 67 68 info = { 69 blog_id: match[ 2 ], 70 width: widget.width, 71 }; 72 73 if ( 'post' === match[ 1 ] ) { 74 info.post_id = match[ 3 ]; 75 } else if ( 'comment' === match[ 1 ] ) { 76 info.comment_id = match[ 3 ]; 77 } 78 79 info.obj_id = match[ 4 ]; 80 81 requests.push( info ); 82 } ); 83 84 if ( requests.length > 0 ) { 85 JetpackLikesPostMessage( 86 { event: 'initialBatch', requests: requests }, 87 window.frames[ 'likes-master' ] 88 ); 89 } 90} 91 92function JetpackLikesMessageListener( event ) { 93 let message = event && event.data; 94 if ( typeof message === 'string' ) { 95 try { 96 message = JSON.parse( message ); 97 } catch ( err ) { 98 return; 99 } 100 } 101 102 const type = message && message.type; 103 const data = message && message.data; 104 105 if ( type !== 'likesMessage' || typeof data.event === 'undefined' ) { 106 return; 107 } 108 109 // We only allow messages from one origin 110 const allowedOrigin = 'https://widgets.wp.com'; 111 if ( allowedOrigin !== event.origin ) { 112 return; 113 } 114 115 switch ( data.event ) { 116 case 'masterReady': 117 jetpackLikesDocReadyPromise.then( () => { 118 jetpackLikesMasterReady = true; 119 120 const stylesData = { 121 event: 'injectStyles', 122 }; 123 const sdTextColor = document.querySelector( '.sd-text-color' ); 124 const sdLinkColor = document.querySelector( '.sd-link-color' ); 125 const sdTextColorStyles = ( sdTextColor && getComputedStyle( sdTextColor ) ) || {}; 126 const sdLinkColorStyles = ( sdLinkColor && getComputedStyle( sdLinkColor ) ) || {}; 127 128 // enable reblogs if they are enabled for the page 129 if ( document.body.classList.contains( 'jetpack-reblog-enabled' ) ) { 130 JetpackLikesPostMessage( { event: 'reblogsEnabled' }, window.frames[ 'likes-master' ] ); 131 } 132 133 stylesData.textStyles = { 134 color: sdTextColorStyles[ 'color' ],
135 fontFamily: sdTextColorStyles[ 'font-family' ], 136 fontSize: sdTextColorStyles[ 'font-size' ], 137 direction: sdTextColorStyles[ 'direction' ], 138 fontWeight: sdTextColorStyles[ 'font-weight' ], 139 fontStyle: sdTextColorStyles[ 'font-style' ], 140 textDecoration: sdTextColorStyles[ 'text-decoration' ], 141 }; 142 143 stylesData.linkStyles = { 144 color: sdLinkColorStyles[ 'color' ], 145 fontFamily: sdLinkColorStyles[ 'font-family' ], 146 fontSize: sdLinkColorStyles[ 'font-size' ], 147 textDecoration: sdLinkColorStyles[ 'text-decoration' ], 148 fontWeight: sdLinkColorStyles[ 'font-weight' ], 149 fontStyle: sdLinkColorStyles[ 'font-style' ], 150 }; 151 152 JetpackLikesPostMessage( stylesData, window.frames[ 'likes-master' ] ); 153 154 JetpackLikesBatchHandler(); 155 } ); 156 157 break; 158 159 // We're keeping this for planned future follow ups. 160 // @see: https://github.com/Automattic/jetpack/pull/42361#discussion_r1995338815 161 case 'showLikeWidget': 162 break; 163 164 // We're keeping this for planned future follow ups. 165 // @see: https://github.com/Automattic/jetpack/pull/42361#discussion_r1995338815 166 case 'showCommentLikeWidget': 167 break; 168 169 case 'killCommentLikes': 170 // If kill switch for comment likes is enabled remove all widgets wrappers and `Loading...` placeholders. 171 document 172 .querySelectorAll( '.jetpack-comment-likes-widget-wrapper' ) 173 .forEach( wrapper => wrapper.remove() ); 174 break; 175 176 case 'clickReblogFlair': 177 if ( wpcom_reblog && typeof wpcom_reblog.toggle_reblog_box_flair === 'function' ) { 178 wpcom_reblog.toggle_reblog_box_flair( data.obj_id, data.post_id ); 179 } 180 break; 181 182 case 'hideOtherGravatars': { 183 hideLikersPopover(); 184 break; 185 } 186 187 case 'showOtherGravatars': { 188 const container = document.querySelector( '#likes-other-gravatars' ); 189 190 if ( ! container ) { 191 break; 192 } 193 194 const list = container.querySelector( 'ul' ); 195 196 container.style.display = 'none'; 197 list.innerHTML = ''; 198 199 container 200 .querySelectorAll( '.likes-text span' ) 201 .forEach( item => ( item.textContent = data.totalLikesLabel ) ); 202 203 ( data.likers || [] ).forEach( async ( liker, index ) => { 204 if ( liker.profile_URL.substr( 0, 4 ) !== 'http' ) { 205 // We only display gravatars with http or https schema 206 return; 207 } 208 209 const element = document.createElement( 'li' ); 210 list.append( element ); 211 212 element.innerHTML = ` 213 <a href="${ encodeURI( liker.profile_URL ) }" rel="nofollow" target="_parent" class="wpl-liker"> 214 <img src="${ encodeURI( liker.avatar_URL ) }" 215 alt="" 216 style="width: 28px; height: 28px;" /> 217 <span></span> 218 </a> 219 `; 220 221 222 // Add some extra attributes through native methods, to ensure strings are sanitized. 223 element.classList.add( liker.css_class ); 224 element.querySelector( 'img' ).alt = data.avatarAltTitle.replace( '%s', liker.name ); 225 element.querySelector( 'span' ).innerText = liker.name; 226 227 if ( index === data.likers.length - 1 ) { 228 element.addEventListener( 'keydown', ( e ) => { 229 if ( e.key === 'Tab' && ! e.shiftKey ) { 230 e.preventDefault(); 231 hideLikersPopover(); 232 233 JetpackLikesPostMessage( 234 { event: 'focusLikesCount', parent: data.parent }, 235 window.frames[ 'likes-master' ] 236 ); 237 } 238 } ); 239 } 240 } ); 241 242 const positionPopup = function() { 243 const containerStyle = getComputedStyle(container); 244 const isRtl = containerStyle.direction === 'rtl'; 245 246 const el = document.querySelector( `*[name='${ data.parent }']` ); 247 const rect = el.getBoundingClientRect(); 248 const win = el.ownerDocument.defaultView; 249 250 const offset = { 251 top: rect.top + win.pageYOffset, 252 left: rect.left + win.pageXOffset, 253 }; 254 255 // don't display yet or we get skewed window.innerWidth later 256 container.style.display = 'none'; 257 258 let containerLeft = 0; 259 container.style.top = offset.top + data.position.top - 1 + 'px'; 260 261 if ( isRtl ) { 262 const visibleAvatarsCount = data && data.likers ? Math.min( data.likers.length, 5 ) : 0; 263 // 24px is the width of the avatar + 4px is the padding between avatars 264 containerLeft = offset.left + data.position.left + 24 * visibleAvatarsCount + 4; 265 container.style.transform = 'translateX(-100%)'; 266 } else { 267 containerLeft = offset.left + data.position.left; 268 } 269 container.style.left = containerLeft + 'px'; 270 271 // Container width - padding
272 const initContainerWidth = data.width - 20; 273 const rowLength = Math.floor( initContainerWidth / 37 ); 274 // # of rows + (avatar + avatar padding) + text above + container padding 275 let height = Math.ceil( data.likers.length / rowLength ) * 37 + 17 + 22; 276 if ( height > 204 ) { 277 height = 204; 278 } 279 280 // If the popup is overflows viewport width, we should show it on the next line 281 // Push it offscreen to calculated rendered width 282 const windowWidth = win.innerWidth; 283 container.style.left = '-9999px'; 284 container.style.display = 'block'; 285 286 // If the popup exceeds the viewport width, 287 // flip the position of the popup. 288 const containerWidth = container.offsetWidth; 289 const containerRight = containerLeft + containerWidth; 290 291 if ( containerRight > windowWidth && ! isRtl) { 292 containerLeft = rect.left + rect.width - containerWidth; 293 } else if ( containerLeft - containerWidth < 0 && isRtl ) { 294 container.style.transform = 'none'; 295 containerLeft = rect.left; 296 } 297 // Set the container left 298 container.style.left = containerLeft + 'px'; 299 300 container.setAttribute( 'aria-hidden', 'false' ); 301 } 302 303 positionPopup(); 304 container.focus(); 305 306 const debounce = function( func, wait ) { 307 var timeout; 308 return function() { 309 var context = this; 310 var args = arguments; 311 clearTimeout( timeout ); 312 timeout = setTimeout( function() { 313 func.apply( context, args ); 314 }, wait ); 315 }; 316 }; 317 318 const debouncedPositionPopup = debounce( positionPopup, 100 ); 319 320 // Keep a reference of this function in the element itself 321 // so that we can destroy it later 322 container.__resizeHandler = debouncedPositionPopup; 323 324 // When window is resized, resize the popup. 325 window.addEventListener( "resize", debouncedPositionPopup ); 326 } 327 } 328} 329 330window.addEventListener( 'message', JetpackLikesMessageListener ); 331 332function hideLikersPopover() { 333 const container = document.querySelector( '#likes-other-gravatars' ); 334 335 if ( container ) { 336 container.style.display = 'none'; 337 container.setAttribute( 'aria-hidden', 'true' ); 338 339 // Remove the resize event listener and cleanup. 340 const resizeHandler = container.__resizeHandler; 341 if ( resizeHandler ) { 342 window.removeEventListener( "resize", resizeHandler ); 343 delete container.__resizeHandler; 344 } 345 } 346} 347 348document.addEventListener( 'click', hideLikersPopover ); 349 350function JetpackLikesWidgetQueueHandler() { 351 var wrapperID; 352 353 if ( ! jetpackLikesMasterReady ) { 354 setTimeout( JetpackLikesWidgetQueueHandler, 500 ); 355 return; 356 } 357 358 // Restore widgets to initial unloaded state when they are scrolled out of view. 359 jetpackUnloadScrolledOutWidgets(); 360 361 var unloadedWidgetsInView = jetpackGetUnloadedWidgetsInView(); 362 363 if ( unloadedWidgetsInView.length > 0 ) { 364 // Grab any unloaded widgets for a batch request 365 JetpackLikesBatchHandler(); 366 } 367 368 for ( var i = 0, length = unloadedWidgetsInView.length; i <= length - 1; i++ ) { 369 wrapperID = unloadedWidgetsInView[ i ].id; 370 371 if ( ! wrapperID ) { 372 continue; 373 } 374 375 jetpackLoadLikeWidgetIframe( wrapperID ); 376 } 377} 378 379function jetpackLoadLikeWidgetIframe( wrapperID ) { 380 if ( typeof wrapperID === 'undefined' ) { 381 return; 382 } 383 384 const wrapper = document.querySelector( '#' + wrapperID ); 385 wrapper.querySelectorAll( 'iframe' ).forEach( iFrame => iFrame.remove() ); 386 387 const placeholder = wrapper.querySelector( '.likes-widget-placeholder' ); 388 389 // Post like iframe 390 if ( placeholder && placeholder.classList.contains( 'post-likes-widget-placeholder' ) ) { 391 const postLikesFrame = document.createElement( 'iframe' ); 392 393 postLikesFrame.classList.add( 'post-likes-widget', 'jetpack-likes-widget' ); 394 postLikesFrame.name = wrapper.dataset.name; 395 postLikesFrame.src = wrapper.dataset.src; 396 postLikesFrame.height = '55px'; 397 postLikesFrame.width = '100%'; 398 postLikesFrame.frameBorder = '0'; 399 postLikesFrame.scrolling = 'no'; 400 postLikesFrame.title = wrapper.dataset.title; 401 402 placeholder.after( postLikesFrame ); 403 } 404 405 // Comment like iframe 406 if ( placeholder.classList.contains( 'comment-likes-widget-placeholder' ) ) { 407 const commentLikesFrame = document.createElement( 'iframe' ); 408 409 commentLikesFrame.class = 'comment-likes-widget-frame jetpack-likes-widget-frame'; 410 commentLikesFrame.name = wrapper.dataset.name; 411 commentLikesFrame.src = wrapper.dataset.src; 412 commentLikesFrame.height = '18px'; 413 commentLikesFrame.width = '100%'; 414 commentLikesFrame.frameBorder = '0'; 415 commentLikesFrame.scrolling = 'no'; 416 417 wrapper.querySelector( '.comment-like-feedback' ).after( commentLikesFrame ); 418 419 jetpackCommentLikesLoadedWidgets.push( commentLikesFrame ); 420 } 421 422 wrapper.classList.remove( 'jetpack-likes-widget-unloaded' ); 423 wrapper.classList.add( 'jetpack-likes-widget-loading' ); 424 425 wrapper.querySelector( 'iframe' ).addEventListener( 'load', e => { 426 JetpackLikesPostMessage( 427 { event: 'loadLikeWidget', name: e.target.name, width: e.target.width }, 428 window.frames[ 'likes-master' ] 429 ); 430 431 wrapper.classList.remove( 'jetpack-likes-widget-loading' ); 432 wrapper.classList.add( 'jetpack-likes-widget-loaded' ); 433 } ); 434} 435 436function jetpackGetUnloadedWidgetsInView() { 437 const unloadedWidgets = document.querySelectorAll( 'div.jetpack-likes-widget-unloaded' ); 438 439 return [ ...unloadedWidgets ].filter( item => jetpackIsScrolledIntoView( item ) ); 440} 441 442function jetpackIsScrolledIntoView( element ) { 443 const top = element.getBoundingClientRect().top; 444 const bottom = element.getBoundingClientRect().bottom; 445
446 // Allow some slack above and bellow the fold with jetpackLikesLookAhead, 447 // with the aim of hiding the transition from unloaded to loaded widget from users. 448 return top + jetpackLikesLookAhead >= 0 && bottom <= window.innerHeight + jetpackLikesLookAhead; 449} 450 451function jetpackUnloadScrolledOutWidgets() { 452 for ( let i = jetpackCommentLikesLoadedWidgets.length - 1; i >= 0; i-- ) { 453 const currentWidgetIframe = jetpackCommentLikesLoadedWidgets[ i ]; 454 455 if ( ! jetpackIsScrolledIntoView( currentWidgetIframe ) ) { 456 const widgetWrapper = 457 currentWidgetIframe && 458 currentWidgetIframe.parentElement && 459 currentWidgetIframe.parentElement.parentElement; 460 461 // Restore parent class to 'unloaded' so this widget can be picked up by queue manager again if needed. 462 widgetWrapper.classList.remove( 'jetpack-likes-widget-loaded' ); 463 widgetWrapper.classList.remove( 'jetpack-likes-widget-loading' ); 464 widgetWrapper.classList.add( 'jetpack-likes-widget-unloaded' ); 465 466 // Bring back the loading placeholder into view. 467 widgetWrapper 468 .querySelectorAll( '.comment-likes-widget-placeholder' ) 469 .forEach( item => ( item.style.display = 'block' ) ); 470 471 // Remove it from the list of loaded widgets. 472 jetpackCommentLikesLoadedWidgets.splice( i, 1 ); 473 474 // Remove comment like widget iFrame. 475 currentWidgetIframe.remove(); 476 } 477 } 478} 479 480var jetpackWidgetsDelayedExec = function ( after, fn ) { 481 var timer; 482 return function () { 483 clearTimeout( timer ); 484 timer = setTimeout( fn, after ); 485 }; 486}; 487 488var jetpackOnScrollStopped = jetpackWidgetsDelayedExec( 250, JetpackLikesWidgetQueueHandler ); 489 490// Load initial batch of widgets, prior to any scrolling events. 491JetpackLikesWidgetQueueHandler(); 492 493// Add event listener to execute queue handler after scroll. 494window.addEventListener( 'scroll', jetpackOnScrollStopped, true ); 495; 496/** 497 * Comment Likes - JavaScript 498 * 499 * This handles liking and unliking comments, as well as viewing who has 500 * liked a particular comment. 501 * 502 * @dependency Swipe (dynamically loaded when needed) 503 * 504 * @package Comment_Likes 505 * @subpackage JavaScript 506 */ 507(function () { 508 function init() { 509 let extWin; 510 let extWinCheck; 511 let commentLikeEvent; 512 513 // Only run once. 514 if (window.comment_likes_loaded) { 515 return; 516 } 517 window.comment_likes_loaded = true; 518 519 // Client-side cache of who liked a particular comment to avoid 520 // having to hit the server multiple times for the same data. 521 const commentLikeCache = {}; 522 523 let swipeLibPromise; 524 525 // Load the Swipe library, if it's not already loaded. 526 function swipeLibLoader() { 527 if (!swipeLibPromise) { 528 swipeLibPromise = new Promise((resolve, reject) => { 529 if (window.Swipe) { 530 resolve(window.Swipe); 531 } else { 532 const swipeScript = document.createElement('script'); 533 swipeScript.src = comment_like_text.swipeUrl; 534 swipeScript.async = true; 535 document.body.appendChild(swipeScript); 536 swipeScript.addEventListener('load', () => resolve(window.Swipe)); 537 swipeScript.addEventListener('error', error => reject(error)); 538 } 539 }); 540 } 541 return swipeLibPromise; 542 } 543 544 /** 545 * Parse the comment ID from a comment like link. 546 */ 547 function getCommentId(link) { 548 const commentId = 549 link && link.getAttribute('href') && link.getAttribute('href').split('like_comment='); 550 return commentId[1].split('&_wpnonce=')[0]; 551 } 552 553 /** 554 * Handle an ajax action on the comment like link. 555 */ 556 function handleLinkAction(link, action, commentId, callback) { 557 const nonce = 558 link && link.getAttribute('href') && link.getAttribute('href').split('_wpnonce=')[1]; 559 560 fetch('/wp-admin/admin-ajax.php', { 561 method: 'POST', 562 body: new URLSearchParams({ 563 action: action, 564 _wpnonce: nonce, 565 like_comment: commentId, 566 blog_id: Number(link.dataset.blog), 567 }), 568 headers: { 569 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8', 570 'X-Requested-With': 'XMLHttpRequest', 571 Accept: 'application/json', 572 'cache-control': 'no-cache', 573 pragma: 'no-cache', 574 }, 575 }) 576 .then(response => response.json()) 577 .then(callback); 578 } 579 580 function startPolling() { 581 // Append cookie polling login iframe to this window to wait for user to finish logging in (or cancel) 582 const loginIframe = document.createElement('iframe'); 583 loginIframe.id = 'wp-login-polling-iframe'; 584 loginIframe.src = 'https://wordpress.com/public.api/connect/?iframe=true'; 585 document.body.appendChild(loginIframe); 586 loginIframe.style.display = 'none'; 587 } 588 589 function stopPolling() { 590 const iframe = document.querySelector('#wp-login-polling-iframe'); 591 if (iframe) { 592 iframe.remove(); 593 } 594 } 595 596 function hide(el) { 597 if (el && el.style) { 598 el.style.display = 'none'; 599 } 600 } 601 602 function show(el) { 603 if (el && el.style) { 604 el.style.removeProperty('display'); 605 } 606 } 607 608 // Overlay used for displaying comment like info. 609 class Overlay { 610 constructor() { 611 // Overlay element. 612 this.el = document.createElement('div'); 613 this.el.classList.add('comment-likes-overlay'); 614 document.body.appendChild(this.el); 615 hide(this.el); 616 617 this.el.addEventListener('mouseenter', () => { 618 // Don't hide the overlay if the user is mousing over it. 619 overlay.cancelHide(); 620 }); 621 622 this.el.addEventListener('mouseleave', () => overlay.requestHide()); 623 624 // Inner contents of overlay. 625 this.innerEl = null; 626 627 // Instance of the Swipe library. 628 this.swipe = null; 629 630 // Timeout used for hiding the overlay. 631 this.hideTimeout = null; 632 } 633 634 // Initialise the overlay for use, removing any old content. 635 clear() { 636 // Unload any previous instance of Swipe (to avoid leaking a global 637 // event handler). This is done before clearing the contents of the 638 // overlay because Swipe expects the slides to still be present. 639 if (this.swipe) { 640 this.swipe.kill(); 641 this.swipe = null; 642 } 643 this.el.innerHTML = ''; 644 this.innerEl = document.createElement('div'); 645 this.innerEl.classList.add('inner'); 646 this.el.appendChild(this.innerEl); 647 } 648 649 /** 650 * Construct a list (<ul>) of user (gravatar, name) details. 651 * 652 * @param data liker data returned from the server 653 * @param klass CSS class to apply to the <ul> element 654 * @param start index of user to start at 655 * @param length number of users to include in the list 656 * 657 * @return A container element with the list 658 */ 659 getUserBits(data, klass, start, length) { 660 start = start || 0; 661 let last = start + (length || data.length); 662 last = last > data.length ? data.length : last; 663 const container = document.createElement('div'); 664 container.classList.add('liker-list'); 665 let html = `<ul class="${klass || ''}">`; 666 for (let i = start; i < last; ++i) { 667 const user = data[i]; 668 html += ` 669 <li> 670 <a rel="nofollow" title="${user.display_name_esc}" href="${user.profile_url_esc}"> 671 <img src="${user.avatar_url_esc}" alt="${user.display_name_esc}" /> 672 <span class="user-name">${user.display_name_esc}</span> 673 </a> 674 </li> 675 `; 676 } 677 html += '</ul>'; 678 container.innerHTML = html; 679 return container; 680 } 681 682 /** 683 * Render the display of who has liked this comment. The type of 684 * display depends on how many people have liked the comment. 685 * If more than 10 people have liked the comment, this function 686 * renders navigation controls and sets up the Swipe library for 687 * changing between pages. 688 * 689 * @param link the element over which the user is hovering 690 * @param data the results retrieved from the server 691 */ 692 showLikes(link, data) { 693 this.clear(); 694 695 link.dataset.likeCount = data.length; 696 if (data.length === 0) { 697 // No likers after all. 698 hide(this.el); 699 return; 700 } 701 702 this.innerEl.style.padding = '12px'; 703 704 if (data.length < 6) { 705 // Only one column needed. 706 this.innerEl.style.maxWidth = '200px'; 707 this.innerEl.innerHTML = ''; 708 this.innerEl.appendChild(this.getUserBits(data, 'single')); 709 this.setPosition(link); 710 } else if (data.length < 11) { 711 // Two columns, but only one page. 712 this.innerEl.innerHTML = ''; 713 this.innerEl.appendChild(this.getUserBits(data, 'double')); 714 this.setPosition(link); 715 } else { 716 // Multiple pages. 717 this.renderLikesWithPagination(data, link); 718 } 719 } 720 721 /**
722 * Render multiple pages of likes with pagination controls. 723 * This function is intended to be called by `showLikes` above. 724 * 725 * @param data the results retrieved from the server 726 */ 727 renderLikesWithPagination(data, link) { 728 swipeLibLoader().then(() => { 729 const page_count = Math.ceil(data.length / 10); 730 // Swipe requires two nested containers. 731 const swipe = document.createElement('div'); 732 swipe.classList.add('swipe'); 733 this.innerEl.appendChild(swipe); 734 735 const wrap = document.createElement('div'); 736 wrap.classList.add('swipe-wrap'); 737 swipe.appendChild(wrap); 738 739 for (let i = 0; i < page_count; ++i) { 740 wrap.appendChild(this.getUserBits(data, 'double', i * 10, 10)); 741 } 742 743 /** 744 * Navigation controls. 745 * This is based on the Newdash controls found in 746 * reader/recommendations-templates.php 747 */ 748 const nav = document.createElement('nav'); 749 nav.classList.add('slider-nav'); 750 751 let navContents = ` 752 <a href="#" class="prev"> 753 <span class="noticon noticon-previous" title="Previous" alt="<"></span> 754 </a> 755 <span class="position"> 756 `; 757 for (let i = 0; i < page_count; ++i) { 758 navContents += `<em data-page="${i}" class="${i === 0 ? 'on' : ''}">•</em>`; 759 } 760 navContents += ` 761 </span> 762 <a href="#" class="next"> 763 <span class="noticon noticon-next" title="Next" alt=">"></span> 764 </a> 765 `; 766 this.innerEl.appendChild(nav); 767 nav.innerHTML = navContents; 768 769 /** Set up Swipe. **/ 770 // Swipe cannot be set up successfully unless its container 771 // is visible, so we show it now. 772 show(this.el); 773 this.setPosition(link); 774 775 this.swipe = new Swipe(swipe, { 776 callback: function (pos) { 777 // Update the pagination indicators. 778 // 779 // If there are exactly two pages, Swipe has a weird 780 // special case where it duplicates both pages and 781 // can return index 2 and 3 even though those aren't 782 // real pages (see swipe.js, line 47). To deal with 783 // this, we use the expression `pos % page_count`. 784 pos = pos % page_count; 785 nav.querySelectorAll('em').forEach(em => { 786 const page = Number(em.dataset.page); 787 em.setAttribute('class', pos === page ? 'on' : ''); 788 }); 789 }, 790 }); 791 792 nav.querySelectorAll('em').forEach(em => { 793 em.addEventListener('click', e => { 794 // Go to the page corresponding to the indicator clicked. 795 this.swipe.slide(Number(em.dataset.page)); 796 e.preventDefault(); 797 }); 798 }); 799 // Previous and next buttons. 800 nav.querySelector('.prev').addEventListener('click', e => { 801 this.swipe.prev(); 802 e.preventDefault(); 803 }); 804 nav.querySelector('.next').addEventListener('click', e => { 805 this.swipe.next(); 806 e.preventDefault(); 807 }); 808 }); 809 } 810 811 /** 812 * Open the overlay and show a loading message. 813 */ 814 showLoadingMessage(link) { 815 this.clear(); 816 this.innerEl.textContent = comment_like_text.loading; 817 this.setPosition(link); 818 } 819 820 /** 821 * Position the overlay near the current comment. 822 * 823 * @param link element near which to position the overlay 824 */ 825 setPosition(link) { 826 // Prepare a down arrow icon for the bottom of the overlay. 827 const icon = document.createElement('span'); 828 this.el.appendChild(icon); 829 icon.classList.add('icon', 'noticon', 'noticon-downarrow'); 830 icon.style.textShadow = '0px 1px 1px rgb(223, 223, 223)'; 831 832 const rect = link.getBoundingClientRect(); 833 const win = document.defaultView; 834 const offset = { 835 top: rect.top + win.scrollY, 836 left: rect.left + win.scrollX, 837 }; 838 839 // Take measurements with the element fully visible. 840 show(this.el); 841 let left = offset.left - (this.el.offsetWidth - link.offsetWidth) / 2; 842 left = left < 5 ? 5 : left; 843 let top = offset.top - this.el.offsetHeight + 5; 844 hide(this.el); 845 846 const adminBar = document.querySelector('#wpadminbar'); 847 848 // Check if the overlay would appear off the screen. 849 if (top < win.scrollY + ((adminBar && adminBar.offsetHeight) || 0)) { 850 // We'll display the overlay beneath the link instead. 851 top = offset.top + link.offsetHeight; 852 // Instead of using the down arrow icon, use an up arrow. 853 icon.remove(); 854 this.el.prepend(icon); 855 icon.classList.remove('noticon-downarrow'); 856 icon.classList.add('noticon-uparrow'); 857 icon.style.textShadow = '0px -1px 1px rgb(223, 223, 223)'; 858 icon.style.verticalAlign = 'bottom'; 859 } 860 861 this.el.style.left = `${left}px`; 862 this.el.style.top = `${top}px`; 863 show(this.el); 864 865 // The height of the arrow icon differs slightly between browsers, 866 // so we compute the margin here to make sure it isn't disjointed 867 // from the overlay. 868 icon.style.marginTop = `${icon.scrollHeight - 26}px`; 869 icon.style.marginBottom = `${20 - icon.scrollHeight}px`; 870 871 // Position the arrow to be horizontally centred on the link. 872 icon.style.paddingLeft = `${ 873 offset.left - left + (link.offsetWidth - icon.scrollWidth) / 2 874 }px`; 875 } 876 877 /** 878 * Return whether the overlay is visible. 879 */ 880 isVisible() { 881 return this.el.style.getPropertyValue('display') !== 'none'; 882 } 883 884 /** 885 * Request that the overlay be hidden after a short delay. 886 */ 887 requestHide() { 888 if (this.hideTimeout !== null) { 889 return; 890 } 891 this.hideTimeout = setTimeout(() => { 892 hide(this.el); 893 this.clear(); 894 }, 300); 895 } 896 897 /** 898 * Cancel a request to hide the overlay. 899 */ 900 cancelHide() { 901 if (this.hideTimeout !== null) { 902 clearTimeout(this.hideTimeout); 903 this.hideTimeout = null; 904 } 905 } 906 } 907 908 // Overlay used for displaying comment like info.
909 const overlay = new Overlay(); 910 911 // The most recent comment for which the user has requested to see 912 // who liked it. 913 var relevantComment; 914 915 // Precache after this timeout. 916 var precacheTimeout = null; 917 918 /** 919 * Fetch the like data for a particular comment. 920 */ 921 function fetchLikeData(link, commentId) { 922 commentLikeCache[commentId] = null; 923 924 const container = link && link.parentElement && link.parentElement.parentElement; 925 const star = container.querySelector('a.comment-like-link'); 926 star && 927 handleLinkAction(star, 'view_comment_likes', commentId, data => { 928 // Populate the cache. 929 commentLikeCache[commentId] = data; 930 931 // Only show the overlay if the user is interested. 932 if (overlay.isVisible() && relevantComment === commentId) { 933 overlay.showLikes(link, data); 934 } 935 }); 936 } 937 938 function readCookie(c) { 939 const nameEQ = c + '='; 940 const cookieStrings = document.cookie.split(';'); 941 942 for (let i = 0; i < cookieStrings.length; i++) { 943 let cookieString = cookieStrings[i]; 944 while (cookieString.charAt(0) === ' ') { 945 cookieString = cookieString.substring(1, cookieString.length); 946 } 947 if (cookieString.indexOf(nameEQ) === 0) { 948 const chunk = cookieString.substring(nameEQ.length, cookieString.length); 949 const pairs = chunk.split('&'); 950 const cookieData = {}; 951 for (let num = pairs.length - 1; num >= 0; num--) { 952 const pair = pairs[num].split('='); 953 cookieData[pair[0]] = decodeURIComponent(pair[1]); 954 } 955 return cookieData; 956 } 957 } 958 return null; 959 } 960 961 function getServiceData() { 962 const data = readCookie('wpc_wpc'); 963 if (data === null || typeof data.access_token === 'undefined' || !data.access_token) { 964 return false; 965 } 966 return data; 967 } 968 969 function readMessage(msg) { 970 const event = msg.data; 971 972 if (typeof event.event === 'undefined') { 973 return; 974 } 975 976 if (event.event === 'login' && event.success) { 977 extWinCheck = setInterval(function () { 978 if (!extWin || extWin.closed) { 979 clearInterval(extWinCheck); 980 if (getServiceData()) { 981 // Load page in an iframe to get the current comment nonce 982 const nonceIframe = document.createElement('iframe'); 983 nonceIframe.id = 'wp-login-comment-nonce-iframe'; 984 nonceIframe.style.display = 'none'; 985 nonceIframe.src = commentLikeEvent + ''; 986 document.body.appendChild(nonceIframe); 987 988 const commentLikeId = (commentLikeEvent + '') 989 .split('like_comment=')[1] 990 .split('&_wpnonce=')[0]; 991 let c; 992 993 // Set a 5 second timeout to redirect to the comment page without doing the Like as a fallback 994 const commentLikeTimeout = setTimeout(() => { 995 window.location = commentLikeEvent; 996 }, 5000); 997 998 // Check for a new nonced redirect and use that if available before timing out 999 const commentLikeCheck = setInterval(() => { 1000 const iframe = document.querySelector('#wp-login-comment-nonce-iframe'); 1001 if (iframe) { 1002 c = iframe.querySelector(`#comment-like-${commentLikeId} .comment-like-link`); 1003 } 1004 if (c && typeof c.href !== 'undefined') { 1005 clearTimeout(commentLikeTimeout); 1006 clearInterval(commentLikeCheck); 1007 window.location = c.href; 1008 } 1009 }, 100); 1010 } 1011 } 1012 }, 100); 1013 1014 if (extWin) { 1015 if (!extWin.closed) { 1016 extWin.close(); 1017 } 1018 extWin = false; 1019 } 1020 1021 stopPolling(); 1022 } 1023 } 1024 1025 if (typeof window.postMessage !== 'undefined') { 1026 window.addEventListener('message', e => { 1027 let message = e && e.data; 1028 if (typeof message === 'string') { 1029 try { 1030 message = JSON.parse(message); 1031 } catch (err) { 1032 return; 1033 } 1034 } 1035 1036 const type = message && message.type; 1037 if (type === 'loginMessage') { 1038 readMessage(message); 1039 } 1040 }); 1041 } 1042 1043 document.body.addEventListener('click', e => { 1044 let target = e.target; 1045 1046 // Don't do anything when clicking on the "X people" link. 1047 if (target.matches('p.comment-likes a.view-likers')) { 1048 e.preventDefault(); 1049 return; 1050 } 1051 1052 // Retrieve the surrounding paragraph to the star, if it hasn't been liked. 1053 const notLikedPar = target.closest('p.comment-not-liked'); 1054 1055 // Return if not clicking on star or surrounding paragraph. 1056 if (!target.matches('a.comment-like-link') && !notLikedPar) { 1057 return; 1058 } 1059 1060 // When a comment hasn't been liked, make the text clickable, too. 1061 if (notLikedPar) { 1062 target = notLikedPar.querySelector('a.comment-like-link'); 1063 if (!target) { 1064 return; 1065 } 1066 } 1067 1068 if (target.classList.contains('needs-login')) { 1069 e.preventDefault(); 1070 commentLikeEvent = target; 1071 if (extWin) { 1072 if (!extWin.closed) { 1073 extWin.close(); 1074 } 1075 extWin = false;
1076 } 1077 1078 stopPolling(); 1079 1080 const url = 'https://wordpress.com/public.api/connect/?action=request&service=wordpress'; 1081 extWin = window.open( 1082 url, 1083 'likeconn', 1084 'status=0,toolbar=0,location=1,menubar=0,directories=0,resizable=1,scrollbars=1,height=560,width=500' 1085 ); 1086 1087 startPolling(); 1088 1089 return false; 1090 } 1091 1092 // Record that the user likes or does not like this comment. 1093 const commentId = getCommentId(target); 1094 target.classList.add('loading'); 1095 1096 let commentEl = document.querySelector(`p#comment-like-${commentId}`); 1097 // Determine whether to like or unlike based on whether the comment is 1098 // currently liked. 1099 const action = 1100 commentEl && commentEl.dataset.liked === 'comment-liked' 1101 ? 'unlike_comment' 1102 : 'like_comment'; 1103 handleLinkAction(target, action, commentId, data => { 1104 // Invalidate the like cache for this comment. 1105 delete commentLikeCache[commentId]; 1106 1107 const countEl = document.querySelector(`#comment-like-count-${data.context}`); 1108 if (countEl) { 1109 countEl.innerHTML = data.display; 1110 } 1111 1112 commentEl = document.querySelector(`p#comment-like-${data.context}`); 1113 if (action === 'like_comment') { 1114 commentEl.classList.remove('comment-not-liked'); 1115 commentEl.classList.add('comment-liked'); 1116 commentEl.dataset.liked = 'comment-liked'; 1117 } else { 1118 commentEl.classList.remove('comment-liked'); 1119 commentEl.classList.add('comment-not-liked'); 1120 commentEl.dataset.liked = 'comment-not-liked'; 1121 } 1122 1123 // Prefetch new data for this comment (if there are likers left). 1124 const parent = target.closest('.comment-likes'); 1125 const link = parent && parent.querySelector('a.view-likers'); 1126 if (link) { 1127 fetchLikeData(link, commentId); 1128 } 1129 1130 target.classList.remove('loading'); 1131 }); 1132 e.preventDefault(); 1133 e.stopPropagation(); 1134 }); 1135 1136 document.body.addEventListener( 1137 'mouseenter', 1138 function (e) { 1139 if (!e.target.matches('p.comment-likes a.view-likers')) { 1140 return; 1141 } 1142 // Show the user a list of who has liked this comment. 1143 1144 const link = e.target; 1145 if (Number(link.dataset.likeCount || 0) === 0) { 1146 // No one has liked this comment. 1147 return; 1148 } 1149 1150 // Don't hide the overlay. 1151 overlay.cancelHide(); 1152 1153 // Get the comment ID. 1154 const container = link.parentElement && link.parentElement.parentElement; 1155 const star = container && container.querySelector('a.comment-like-link'); 1156 const commentId = star && getCommentId(star); 1157 relevantComment = commentId; 1158 1159 // Check if the list of likes for this comment is already in 1160 // the cache. 1161 if (commentId in commentLikeCache) { 1162 const entry = commentLikeCache[commentId];
1163 // Only display the likes if the ajax request is 1164 // actually done. 1165 if (entry !== null) { 1166 overlay.showLikes(link, entry); 1167 } else { 1168 // Make sure the overlay is visible (in case 1169 // the user moved the mouse away while loading 1170 // but then came back before it finished 1171 // loading). 1172 overlay.showLoadingMessage(link); 1173 } 1174 return; 1175 } 1176 1177 // Position the "Loading..." overlay. 1178 overlay.showLoadingMessage(link); 1179 1180 // Fetch the data. 1181 fetchLikeData(link, commentId); 1182 }, 1183 true 1184 ); 1185 1186 document.body.addEventListener( 1187 'mouseleave', 1188 e => { 1189 if (!e.target.matches('p.comment-likes a.view-likers')) { 1190 return; 1191 } 1192 // User has moved cursor away - hide the overlay. 1193 overlay.requestHide(); 1194 }, 1195 true 1196 ); 1197 1198 document.body.addEventListener( 1199 'mouseenter', 1200 e => { 1201 if (!e.target.matches('.comment') || !e.target.querySelector('a.comment-like-link')) { 1202 return; 1203 } 1204 // User is moving over a comment - precache the comment like data.
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'true' : 'false' 1372 ); 1373 screenReaderSpan.textContent = 1374 screenReaderSpan.textContent === screenReaderText.expand ? screenReaderText.collapse: screenReaderText.expand; 1375 } ); 1376 } ); 1377 } 1378 1379 mainNav = document.querySelector( '.main-navigation' ); 1380 if ( mainNav ) { 1381 initMainNavigation( mainNav ); 1382 } 1383 1384 masthead = document.querySelector( '#masthead' ); 1385 menuToggle = masthead && masthead.querySelector( '#menu-toggle' ); 1386 siteHeaderMenu = masthead && masthead.querySelector( '#site-header-menu' ); 1387 siteNavigation = masthead && masthead.querySelector( '#site-navigation' ); 1388 socialNavigation = masthead && masthead.querySelector( '#social-navigation' ); 1389 1390 // Enable menuToggle. 1391 ( function () { 1392 // Return early if menuToggle is missing. 1393 if ( ! menuToggle ) { 1394 return; 1395 } 1396 1397 var controls = [ menuToggle, siteNavigation, socialNavigation ].filter( Boolean ); 1398 1399 // Add an initial values for the attribute.
1400 controls.forEach( function ( el ) { 1401 el.setAttribute( 'aria-expanded', 'false' ); 1402 } ); 1403 1404 menuToggle.addEventListener( 'click', function () { 1405 menuToggle.classList.toggle( 'toggled-on' ); 1406 siteHeaderMenu.classList.toggle( 'toggled-on' ); 1407 1408 var newVal = menuToggle.getAttribute( 'aria-expanded' ) === 'false' ? 'true' : 'false'; 1409 controls.forEach( function ( el ) { 1410 el.setAttribute( 'aria-expanded', newVal ); 1411 } ); 1412 } ); 1413 } )(); 1414 1415 // Fix sub-menus for touch devices and better focus for hidden submenu items for accessibility. 1416 ( function () { 1417 if ( ! siteNavigation || ! siteNavigation.children.length ) { 1418 return; 1419 } 1420 1421 // Init `focus` class to allow submenu access on tablets. 1422 function initFocusClassTouchScreen() { 1423 document.body.addEventListener( 'touchstart', function ( e ) { 1424 if ( ! closest( e.target, '.main-navigation li' ) ) { 1425 forEachNode( document, '.main-navigation li', function ( el ) { 1426 el.classList.remove( 'focus' ); 1427 } ); 1428 } 1429 } ); 1430 forEachNode( siteNavigation, '.menu-item-has-children > a', function ( link ) { 1431 link.addEventListener( 'touchstart', function ( e ) { 1432 if ( window.innerWidth >= 910 ) { 1433 var el = link.parentElement; 1434 1435 if ( matches( el, 'li' ) && ! el.classList.contains( 'focus' ) ) { 1436 e.preventDefault(); 1437 el.classList.toggle( 'focus' ); 1438 var children = el.parentElement.children; 1439 for ( var i = 0; i < children.length; i++ ) { 1440 if ( children[ i ] !== el ) { 1441 children[ i ].classList.remove( 'focus' ); 1442 } 1443 } 1444 } 1445 } 1446 } ); 1447 } ); 1448 } 1449 1450 function toggleFocus( el ) { 1451 var item = closest( el, '.menu-item' ); 1452 if ( item ) { 1453 item.classList.toggle( 'focus' ); 1454 } 1455 } 1456 1457 if ( 'ontouchstart' in window ) { 1458 initFocusClassTouchScreen(); 1459 } 1460 1461 forEachNode( siteNavigation, 'a', function ( link ) { 1462 link.addEventListener( 'focus', toggleFocus( link ) ); 1463 link.addEventListener( 'blur', toggleFocus( link ) ); 1464 } ); 1465 } )(); 1466 1467 // Add the default ARIA attributes for the menu toggle and the navigations. 1468 function onResizeARIA() { 1469 if ( window.innerWidth < 910 ) { 1470 if ( menuToggle && menuToggle.classList.contains( 'toggled-on' ) ) { 1471 menuToggle.setAttribute( 'aria-expanded', 'true' ); 1472 } else { 1473 menuToggle.setAttribute( 'aria-expanded', 'false' ); 1474 } 1475 1476 if ( siteHeaderMenu && siteHeaderMenu.classList.contains( 'toggled-on' ) ) { 1477 siteNavigation && siteNavigation.setAttribute( 'aria-expanded', 'true' ); 1478 socialNavigation && socialNavigation.setAttribute( 'aria-expanded', 'true' ); 1479 } else { 1480 siteNavigation && siteNavigation.setAttribute( 'aria-expanded', 'false' ); 1481 socialNavigation && socialNavigation.setAttribute( 'aria-expanded', 'false' ); 1482 } 1483 1484 menuToggle && menuToggle.setAttribute( 'aria-controls', 'site-navigation social-navigation' ); 1485 } else { 1486 menuToggle && menuToggle.removeAttribute( 'aria-expanded' ); 1487 siteNavigation && siteNavigation.removeAttribute( 'aria-expanded' ); 1488 socialNavigation && socialNavigation.removeAttribute( 'aria-expanded' ); 1489 menuToggle && menuToggle.removeAttribute( 'aria-controls' ); 1490 } 1491 } 1492 1493 // Add 'below-entry-meta' class to elements. 1494 function belowEntryMetaClass( selector ) { 1495 if ( 1496 document.body.classList.contains( 'page' ) || 1497 document.body.classList.contains( 'search' ) || 1498 document.body.classList.contains( 'single-attachment' ) || 1499 document.body.classList.contains( 'error404' ) 1500 ) { 1501 return; 1502 } 1503 1504 forEachNode( document, '.entry-content', function ( content ) { 1505 forEachNode( content, selector, function ( element ) { 1506 var elementPosTop = element.getBoundingClientRect().top; 1507 var article = closest( element, 'article' ); 1508 var entryFooter = article && article.querySelector( '.entry-footer' ); 1509 var entryFooterPosBottom = 1510 entryFooter ? entryFooter.getBoundingClientRect().top + entryFooter.offsetHeight + 28 : null; 1511 var caption = closest( element, 'figure' ); 1512 var next = element.nextSibling; 1513 var figcaption = next && matches( next, 'figcaption' ) ? next : null; 1514 var newImg; 1515 1516 // Add 'below-entry-meta' to elements below the entry meta. 1517 if ( entryFooterPosBottom !== null && elementPosTop > entryFooterPosBottom ) { 1518 // Check if full-size images and captions are larger than or equal to 840px. 1519 if ( selector === 'img.size-full' || selector === '.wp-block-image img' ) { 1520 // Create an image to find native image width of resized images (i.e. max-width: 100%). 1521 newImg = new Image(); 1522 newImg.src = element.getAttribute( 'src' ); 1523 newImg.onload = function () { 1524 if ( newImg.width >= 840 ) { 1525 // Check if an image in an image block has a width attribute; if its value is less than 840, return. 1526 if ( 1527 selector === '.wp-block-image img' && 1528 element.hasAttribute( 'width' ) && 1529 element.getAttribute( 'width' ) < 840 1530 ) { 1531 return; 1532 } 1533 1534 element.classList.add( 'below-entry-meta' ); 1535 1536 if ( caption && caption.classList.contains( 'wp-caption' ) ) { 1537 caption.classList.add( 'below-entry-meta' ); 1538 caption.removeAttribute( 'style' ); 1539 } 1540 1541 if ( figcaption ) { 1542 figcaption.classList.add( 'below-entry-meta' ); 1543 } 1544 } 1545 }; 1546 } else { 1547 element.classList.add( 'below-entry-meta' ); 1548 } 1549 } else { 1550 element.classList.remove( 'below-entry-meta' ); 1551 caption && caption.classList.remove( 'below-entry-meta' ); 1552 } 1553 } ); 1554 } ); 1555 } 1556
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Use this feature detection 1591 // to determine whether they're available for use. 1592 var supportsPassive = false; 1593 1594 try { 1595 var opts = Object.defineProperty( {}, 'passive', { 1596 get : function() { 1597 supportsPassive = true; 1598 } 1599 } ); 1600 1601 window.addEventListener( 'testPassive', null, opts ); 1602 window.removeEventListener( 'testPassive', null, opts ); 1603 } catch ( e ) {} 1604 1605 function init() { 1606 var input_begin = ''; 1607 1608 var keydowns = {}; 1609 var lastKeyup = null; 1610 var lastKeydown = null; 1611 var keypresses = []; 1612 1613 var modifierKeys = []; 1614 var correctionKeys = []; 1615 1616 var lastMouseup = null; 1617 var lastMousedown = null; 1618 var mouseclicks = []; 1619 var mouseclickCoordinates = []; 1620 1621 var mousemoveTimer = null; 1622 var lastMousemoveX = null; 1623 var lastMousemoveY = null; 1624 var lastMousemoveTime = null; 1625 var mousemoveStart = null; 1626 var mousemoves = []; 1627 var intervalsBetweenMousemovesAndClicks = []; 1628 1629 var touchmoveCountTimer = null; 1630 var touchmoveCount = 0; 1631 1632 var lastTouchEnd = null; 1633 var lastTouchStart = null; 1634 var touchEvents = []; 1635 1636 var scrollCountTimer = null; 1637 var scrollCount = 0; 1638 1639 var correctionKeyCodes = [ 'Backspace', 'Delete', 'ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight', 'Home', 'End', 'PageUp', 'PageDown' ]; 1640 var modifierKeyCodes = [ 'Shift', 'CapsLock' ]; 1641 1642 var forms = document.querySelectorAll( 'form[method=post]' ); 1643 1644 for ( var i = 0; i < forms.length; i++ ) { 1645 var form = forms[i]; 1646 1647 var formAction = form.getAttribute( 'action' ); 1648 1649 // Ignore forms that POST directly to other domains; these could be things like payment forms. 1650 if ( formAction ) { 1651 // Check that the form is posting to an external URL, not a path. 1652 if ( formAction.indexOf( 'http://' ) == 0 || formAction.indexOf( 'https://' ) == 0 ) { 1653 if ( formAction.indexOf( 'http://' + window.location.hostname + '/' ) != 0 && formAction.indexOf( 'https://' + window.location.hostname + '/' ) != 0 ) { 1654 continue; 1655 } 1656 } 1657 } 1658 1659 form.addEventListener( 'submit', function () { 1660 var ak_bkp = prepare_array_for_request( keypresses ); 1661 var ak_bmc = prepare_array_for_request( mouseclicks ); 1662 var ak_bte = prepare_array_for_request( touchEvents ); 1663 var ak_bmm = prepare_array_for_request( mousemoves ); 1664 var ak_bcc = prepare_array_for_request( mouseclickCoordinates ); 1665 var ak_bibmac = intervalsBetweenMousemovesAndClicks.slice( 0, 100 ).join( ';' ); 1666 1667 var input_fields = { 1668 // When did the user begin entering any input? 1669 'bib': input_begin, 1670 1671 // When was the form submitted? 1672 'bfs': Date.now(), 1673 1674 // How many keypresses did they make? 1675 'bkpc': keypresses.length, 1676
1677 // How quickly did they press a sample of keys, and how long between them? 1678 'bkp': ak_bkp, 1679 1680 // How quickly did they click the mouse, and how long between clicks? 1681 'bmc': ak_bmc, 1682 1683 // How many mouseclicks did they make? 1684 'bmcc': mouseclicks.length, 1685 1686 // When did they press modifier keys (like Shift or Capslock)? 1687 'bmk': modifierKeys.join( ';' ), 1688 1689 // When did they correct themselves? e.g., press Backspace, or use the arrow keys to move the cursor back 1690 'bck': correctionKeys.join( ';' ), 1691 1692 // How many times did they move the mouse? 1693 'bmmc': mousemoves.length, 1694 1695 // How many times did they move around using a touchscreen? 1696 'btmc': touchmoveCount, 1697 1698 // How many times did they scroll? 1699 'bsc': scrollCount, 1700 1701 // How quickly did they perform touch events, and how long between them? 1702 'bte': ak_bte, 1703 1704 // How many touch events were there? 1705 'btec' : touchEvents.length, 1706 1707 // How quickly did they move the mouse, and how long between moves? 1708 'bmm' : ak_bmm, 1709 1710 // Click coordinates 1711 'bcc' : ak_bcc, 1712 1713 // Milliseconds between last mouse movement and each click 1714 'bibmac' : ak_bibmac 1715 }; 1716 1717 var akismet_field_prefix = 'ak_'; 1718 1719 if ( this.getElementsByClassName ) { 1720 // Check to see if we've used an alternate field name prefix. We store this as an attribute of the container around some of the Akismet fields. 1721 var possible_akismet_containers = this.getElementsByClassName( 'akismet-fields-container' ); 1722 1723 for ( var containerIndex = 0; containerIndex < possible_akismet_containers.length; containerIndex++ ) { 1724 var container = possible_akismet_containers.item( containerIndex ); 1725 1726 if ( container.getAttribute( 'data-prefix' ) ) { 1727 akismet_field_prefix = container.getAttribute( 'data-prefix' ); 1728 break; 1729 } 1730 } 1731 } 1732 1733 for ( var field_name in input_fields ) { 1734 var field = document.createElement( 'input' ); 1735 field.setAttribute( 'type', 'hidden' ); 1736 field.setAttribute( 'name', akismet_field_prefix + field_name ); 1737 field.setAttribute( 'value', input_fields[ field_name ] ); 1738 this.appendChild( field ); 1739 } 1740 }, supportsPassive ? { passive: true } : false ); 1741 1742 form.addEventListener( 'keydown', function ( e ) { 1743 // If you hold a key down, some browsers send multiple keydown events in a row. 1744 // Ignore any keydown events for a key that hasn't come back up yet. 1745 if ( e.key in keydowns ) { 1746 return; 1747 } 1748 1749 var keydownTime = ( new Date() ).getTime(); 1750 keydowns[ e.key ] = [ keydownTime ]; 1751 1752 if ( ! input_begin ) { 1753 input_begin = keydownTime; 1754 } 1755 1756 // In some situations, we don't want to record an interval since the last keypress -- for example, 1757 // on the first keypress, or on a keypress after focus has changed to another element. Normally, 1758 // we want to record the time between the last keyup and this keydown. But if they press a 1759 // key while already pressing a key, we want to record the time between the two keydowns. 1760 1761 var lastKeyEvent = Math.max( lastKeydown, lastKeyup ); 1762 1763 if ( lastKeyEvent ) { 1764 keydowns[ e.key ].push( keydownTime - lastKeyEvent ); 1765 } 1766 1767 lastKeydown = keydownTime; 1768 }, supportsPassive ? { passive: true } : false ); 1769 1770 form.addEventListener( 'keyup', function ( e ) { 1771 if ( ! ( e.key in keydowns ) ) { 1772 // This key was pressed before this script was loaded, or a mouseclick happened during the keypress, or... 1773 return; 1774 } 1775 1776 var keyupTime = ( new Date() ).getTime(); 1777 1778 if ( 'TEXTAREA' === e.target.nodeName || 'INPUT' === e.target.nodeName ) { 1779 if ( -1 !== modifierKeyCodes.indexOf( e.key ) ) { 1780 modifierKeys.push( keypresses.length - 1 ); 1781 } else if ( -1 !== correctionKeyCodes.indexOf( e.key ) ) { 1782 correctionKeys.push( keypresses.length - 1 ); 1783 } else { 1784 // ^ Don't record timings for keys like Shift or backspace, since they 1785 // typically get held down for longer than regular typing. 1786 1787 var keydownTime = keydowns[ e.key ][0]; 1788 1789 var keypress = []; 1790 1791 // Keypress duration. 1792 keypress.push( keyupTime - keydownTime ); 1793 1794 // Amount of time between this keypress and the previous keypress. 1795 if ( keydowns[ e.key ].length > 1 ) { 1796 keypress.push( keydowns[ e.key ][1] ); 1797 } 1798 1799 keypresses.push( keypress ); 1800 } 1801 } 1802
1803 delete keydowns[ e.key ]; 1804 1805 lastKeyup = keyupTime; 1806 }, supportsPassive ? { passive: true } : false ); 1807 1808 form.addEventListener( "focusin", function ( e ) { 1809 lastKeydown = null; 1810 lastKeyup = null; 1811 keydowns = {}; 1812 }, supportsPassive ? { passive: true } : false ); 1813 1814 form.addEventListener( "focusout", function ( e ) { 1815 lastKeydown = null; 1816 lastKeyup = null; 1817 keydowns = {}; 1818 }, supportsPassive ? { passive: true } : false ); 1819 } 1820 1821 document.addEventListener( 'mousedown', function ( e ) { 1822 lastMousedown = ( new Date() ).getTime(); 1823 1824 if ( lastMousemoveTime ) { 1825 intervalsBetweenMousemovesAndClicks.push( lastMousedown - lastMousemoveTime ); 1826 } 1827 1828 var mouseclickCoordinate = []; 1829 1830 var rect = e.target.getBoundingClientRect(); 1831 var relativeX = e.clientX - rect.left; 1832 var relativeY = e.clientY - rect.top; 1833 1834 // Pixel offset of the click within the target element. 1835 mouseclickCoordinate.push( Math.round( relativeX ) ); 1836 mouseclickCoordinate.push( Math.round( relativeY ) ); 1837 1838 // Percentage offset of the click within the target element. 1839 mouseclickCoordinate.push( rect.width > 0 ? Math.round( relativeX / rect.width * 100 ) : 0 ); 1840 mouseclickCoordinate.push( rect.height > 0 ? Math.round( relativeY / rect.height * 100 ) : 0 ); 1841 1842 mouseclickCoordinates.push( mouseclickCoordinate ); 1843 }, supportsPassive ? { passive: true } : false ); 1844 1845 document.addEventListener( 'mouseup', function ( e ) { 1846 if ( ! lastMousedown ) { 1847 // If the mousedown happened before this script was loaded, but the mouseup happened after... 1848 return; 1849 } 1850 1851 var now = ( new Date() ).getTime(); 1852 1853 var mouseclick = []; 1854 mouseclick.push( now - lastMousedown ); 1855 1856 if ( lastMouseup ) { 1857 mouseclick.push( lastMousedown - lastMouseup ); 1858 } 1859 1860 mouseclicks.push( mouseclick ); 1861 1862 lastMouseup = now; 1863 1864 // If the mouse has been clicked, don't record this time as an interval between keypresses. 1865 lastKeydown = null; 1866 lastKeyup = null; 1867 keydowns = {}; 1868 }, supportsPassive ? { passive: true } : false ); 1869 1870 document.addEventListener( 'mousemove', function ( e ) { 1871 lastMousemoveTime = ( new Date() ).getTime(); 1872 1873 if ( mousemoveTimer ) { 1874 clearTimeout( mousemoveTimer ); 1875 mousemoveTimer = null; 1876 } 1877 else { 1878 mousemoveStart = lastMousemoveTime; 1879 lastMousemoveX = e.offsetX; 1880 lastMousemoveY = e.offsetY; 1881 } 1882 1883 mousemoveTimer = setTimeout( function ( theEvent, originalMousemoveStart ) { 1884 var now = ( new Date() ).getTime() - 500; // To account for the timer delay. 1885 1886 var mousemove = []; 1887 mousemove.push( now - originalMousemoveStart ); 1888 mousemove.push( 1889 Math.round( 1890 Math.sqrt( 1891 Math.pow( theEvent.offsetX - lastMousemoveX, 2 ) + 1892 Math.pow( theEvent.offsetY - lastMousemoveY, 2 ) 1893 ) 1894 ) 1895 ); 1896 1897 if ( mousemove[1] > 0 ) { 1898 // If there was no measurable distance, then it wasn't really a move. 1899 mousemoves.push( mousemove ); 1900 } 1901 1902 mousemoveStart = null; 1903 mousemoveTimer = null; 1904 }, 500, e, mousemoveStart ); 1905 }, supportsPassive ? { passive: true } : false ); 1906 1907 document.addEventListener( 'touchmove', function ( e ) { 1908 if ( touchmoveCountTimer ) { 1909 clearTimeout( touchmoveCountTimer ); 1910 } 1911 1912 touchmoveCountTimer = setTimeout( function () { 1913 touchmoveCount++; 1914 }, 500 ); 1915 }, supportsPassive ? { passive: true } : false ); 1916 1917 document.addEventListener( 'touchstart', function ( e ) { 1918 lastTouchStart = ( new Date() ).getTime(); 1919 }, supportsPassive ? { passive: true } : false ); 1920 1921 document.addEventListener( 'touchend', function ( e ) { 1922 if ( ! lastTouchStart ) { 1923 // If the touchstart happened before this script was loaded, but the touchend happened after... 1924 return; 1925 } 1926 1927 var now = ( new Date() ).getTime(); 1928 1929 var touchEvent = []; 1930 touchEvent.push( now - lastTouchStart ); 1931 1932 if ( lastTouchEnd ) { 1933 touchEvent.push( lastTouchStart - lastTouchEnd ); 1934 } 1935 1936 touchEvents.push( touchEvent ); 1937 1938 lastTouchEnd = now; 1939 1940 // Don't record this time as an interval between keypresses. 1941 lastKeydown = null; 1942 lastKeyup = null; 1943 keydowns = {}; 1944 }, supportsPassive ? { passive: true } : false ); 1945 1946 document.addEventListener( 'scroll', function ( e ) {
1947 if ( scrollCountTimer ) { 1948 clearTimeout( scrollCountTimer ); 1949 } 1950 1951 scrollCountTimer = setTimeout( function () { 1952 scrollCount++; 1953 }, 500 ); 1954 }, supportsPassive ? { passive: true } : false ); 1955 } 1956 1957 /** 1958 * For the timing/coordinate data that is collected, don't send more than `limit` data points in the request. 1959 * Choose a random slice and send those, with each batch separated by semicolons and the items in each batch 1960 * separated by commas. 1961 */ 1962 function prepare_array_for_request( a, limit ) { 1963 if ( ! limit ) { 1964 limit = 100; 1965 } 1966 1967 var rv = ''; 1968 1969 if ( a.length > 0 ) { 1970 var random_starting_point = Math.max( 0, Math.floor( Math.random() * a.length - limit ) ); 1971 1972 for ( var i = 0; i < limit && i < a.length; i++ ) { 1973 var entry = a[ random_starting_point + i ]; 1974 rv += entry.join( ',' ) + ';'; 1975 } 1976 } 1977 1978 return rv; 1979 } 1980 1981 if ( document.readyState !== 'loading' ) { 1982 init(); 1983 } else { 1984 document.addEventListener( 'DOMContentLoaded', init ); 1985 } 1986})();; 1987void ( function ( d, s, id ) { 1988 var js, 1989 fjs = d.getElementsByTagName( s )[ 0 ], 1990 p = /^http:/.test( d.location ) ? 'http' : 'https'; 1991 if ( ! d.getElementById( id ) ) { 1992 js = d.createElement( s ); 1993 js.id = id; 1994 js.src = p + '://platform.twitter.com/widgets.js'; 1995 fjs.parentNode.insertBefore( js, fjs ); 1996 } 1997} )( document, 'script', 'twitter-wjs' ); 1998; 1999( function () { 2000 'use strict'; 2001 2002 if ( typeof window.wpcom === 'undefined' ) { 2003 window.wpcom = {}; 2004 } 2005 2006 if ( window.wpcom.carousel ) { 2007 return; 2008 } 2009 2010 var prebuilt_widths = jetpackCarouselStrings.widths; 2011 var pageviews_stats_args = jetpackCarouselStrings.stats_query_args; 2012 2013 var findFirstLargeEnoughWidth = function ( original_w, original_h, dest_w, dest_h ) { 2014 var inverse_ratio = original_h / original_w; 2015 2016 for ( var i = 0; i < prebuilt_widths.length; ++i ) { 2017 if ( prebuilt_widths[ i ] >= dest_w || prebuilt_widths[ i ] * inverse_ratio >= dest_h ) { 2018 return prebuilt_widths[ i ]; 2019 } 2020 } 2021 2022 return original_w; 2023 }; 2024 2025 var removeResizeFromImageURL = function ( url ) { 2026 return removeArgFromURL( url, 'resize' ); 2027 }; 2028 2029 var removeArgFromURL = function ( url, arg ) { 2030 var re = new RegExp( '[\\?&]' + arg + '(=[^?&]+)?' ); 2031 if ( url.match( re ) ) { 2032 return url.replace( re, '' ); 2033 } 2034 return url; 2035 }; 2036 2037 var addWidthToImageURL = function ( url, width ) { 2038 width = parseInt( width, 10 ); 2039 // Give devices with a higher devicePixelRatio higher-res images (Retina display = 2, Android phones = 1.5, etc) 2040 if ( 'undefined' !== typeof window.devicePixelRatio && window.devicePixelRatio > 1 ) { 2041 width = Math.round( width * window.devicePixelRatio ); 2042 } 2043 url = addArgToURL( url, 'w', width ); 2044 url = addArgToURL( url, 'h', '' ); 2045 return url; 2046 }; 2047 2048 var addArgToURL = function ( url, arg, value ) { 2049 var re = new RegExp( arg + '=[^?&]+' ); 2050 if ( url.match( re ) ) { 2051 return url.replace( re, arg + '=' + value ); 2052 } else { 2053 var divider = url.indexOf( '?' ) !== -1 ? '&' : '?'; 2054 return url + divider + arg + '=' + value; 2055 } 2056 }; 2057 2058 var stat = function ( names ) { 2059 if ( typeof names !== 'string' ) { 2060 names = names.join( ',' ); 2061 } 2062 2063 new Image().src = window.location.protocol + 2064 '//pixel.wp.com/g.gif?v=wpcom-no-pv' + 2065 '&x_carousel=' + names + 2066 '&baba=' + Math.random(); 2067 }; 2068 2069 var lastTrackedPostId = null; 2070 2071 var pageview = function ( post_id ) { 2072 // Prevent duplicate tracking of the same post during slide transitions 2073 if ( post_id === lastTrackedPostId ) { 2074 return; 2075 } 2076 2077 lastTrackedPostId = post_id; 2078 2079 new Image().src = window.location.protocol + 2080 '//pixel.wp.com/g.gif?host=' + encodeURIComponent( window.location.host ) + 2081 '&ref=' + encodeURIComponent( document.referrer ) + 2082 '&rand=' + Math.random() + 2083 '&' + pageviews_stats_args + 2084 '&post=' + encodeURIComponent( post_id ); 2085 }; 2086 2087 var generateImgSrc = function ( srcItem, max ) { 2088 var origSize = srcItem.getAttribute( 'data-orig-size' ) || ''; 2089 2090 var src = srcItem.getAttribute( 'src' ) || srcItem.getAttribute( 'original' ) || srcItem.getAttribute( 'data-original' ) || srcItem.getAttribute( 'data-lazy-src' ); 2091 if ( src.indexOf( 'imgpress' ) !== -1 ) { 2092 src = srcItem.getAttribute( 'data-orig-file' ); 2093 } 2094 // Square/Circle galleries use a resize param that needs to be removed. 2095 src = removeResizeFromImageURL( src ); 2096 src = addWidthToImageURL( 2097 src, 2098 findFirstLargeEnoughWidth( origSize.width, origSize.height, max.width, max.height ) 2099 ); 2100 2101 return src; 2102 }; 2103 2104 window.wpcom.carousel = { 2105 findFirstLargeEnoughWidth: findFirstLargeEnoughWidth, 2106 removeResizeFromImageURL: removeResizeFromImageURL, 2107 addWidthToImageURL: addWidthToImageURL, 2108 stat: stat, 2109 pageview: pageview, 2110 generateImgSrc: generateImgSrc 2111 }; 2112 2113} )(); 2114; 2115!function(){var e=document.currentScript;function t(t){var n=document.createElement("script"),o=e||document.getElementsByTagName("script")[0];n.setAttribute("async",!0),n.setAttribute("src",t),o.parentNode.insertBefore(n,o)}function n(e,t){return Element.prototype.matches?e.matches(t):Element.prototype.msMatchesSelector?e.msMatchesSelector(t):void 0}function o(e,t){if(e.closest)return e.closest(t);var o=e;do{if(n(o,t))return o;o=o.parentElement||o.parentNode}while(null!==o&&1===o.nodeType);return null}function i(e,t){for(var n=0;n<e.length;n++)t(e[n],n,e)}var r,s=".sharing-hidden .inner",a="data-sharing-more-button-id";function c(e){this.button=e,this.pane=o(e,"div").querySelector(s),this.openedBy=null,this.recentlyOpenedByHover=!1,c.instances.push(this),this.pane.setAttribute(a,c.instances.length-1),this.attachHandlers()}if(c.instances=[],c.hoverOpenDelay=200,c.recentOpenDelay=400,c.hoverCloseDelay=300,c.instantiateOrReuse=function(e){var t=o(e,"div").querySelector(s),n=t&&t.getAttribute(a),i=c.instances[n];return i||new c(e)},c.getButtonInstanceFromPane=function(e){var t=e&&e.getAttribute(a);return c.instances[t]},c.closeAll=function(){for(var e=0;e<c.instances.length;e++)c.instances[e].close()},c.prototype.open=function(){var e,t,n=[0,0];function o(e){var t=e.getBoundingClientRect();return[t.left+(window.scrollX||window.pageXOffset||0),t.top+(window.scrollY||window.pageYOffset||0)]}function i(e,t){return parseInt(getComputedStyle(e).getPropertyValue(t)||0)}for(e=o(this.button),t=this.button.offsetParent||document.documentElement;t&&(t===document.body||t===document.documentElement)&&"static"===getComputedStyle(t).getPropertyValue("position");)t=t.parentNode;t&&t!==this.button&&1===t.nodeType&&(n=[(n=o(t))[0]+i(t,"border-left-width"),n[1]+i(t,"border-top-width")]);var r,s=e[0]-n[0]-i(this.button,"margin-left"),a=e[1]-n[1]-i(this.button,"margin-top");this.pane.style.left=s+"px",this.pane.style.top=a+this.button.offsetHeight+3+"px",(r=this.pane)&&r.style.removeProperty("display")},c.prototype.close=function(){var e;(e=this.pane)&&(e.style.display="none"),this.openedBy=null},c.prototype.toggle=function(){var e;(e=this.pane)&&"none"!==e.style.display?this.close():this.open()}
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Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.