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.
1205 if (precacheTimeout !== null) { 1206 clearTimeout(precacheTimeout); 1207 precacheTimeout = null; 1208 } 1209 1210 const star = e.target.querySelector('a.comment-like-link'); 1211 const parent = star.closest('.comment-likes'); 1212 const link = parent && parent.querySelector('a.view-likers'); 1213 if (!link || Number(link.dataset.likeCount || 0) === 0) { 1214 // No likes. 1215 return; 1216 } 1217 const commentId = getCommentId(star); 1218 if (commentId in commentLikeCache) { 1219 // Already in cache. 1220 return; 1221 } 1222 1223 precacheTimeout = setTimeout(() => { 1224 precacheTimeout = null; 1225 if (commentId in commentLikeCache) { 1226 // Was cached in the interim. 1227 return; 1228 } 1229 fetchLikeData(link, commentId); 1230 }, 1000); 1231 }, 1232 true 1233 ); 1234 } 1235 1236 if (document.readyState !== 'loading') { 1237 init(); 1238 } else { 1239 document.addEventListener('DOMContentLoaded', init); 1240 } 1241})(); 1242; 1243!function(e){var o={};function n(t){if(o[t])return o[t].exports;var r=o[t]={i:t,l:!1,exports:{}};return e[t].call(r.exports,r,r.exports,n),r.l=!0,r.exports}n.m=e,n.c=o,n.d=function(e,o,t){n.o(e,o)||Object.defineProperty(e,o,{enumerable:!0,get:t})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,o){if(1&o&&(e=n(e)),8&o)return e;if(4&o&&"object"==typeof e&&e&&e.__esModule)return e;var t=Object.create(null);if(n.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:e}),2&o&&"string"!=typeof e)for(var r in e)n.d(t,r,function(o){return e[o]}.bind(null,r));return t},n.n=function(e){var o=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(o,"a",o),o},n.o=function(e,o){return Object.prototype.hasOwnProperty.call(e,o)},n.p="",n(n.s=273)}({273:function(e,o){!function(){"use strict";let e,o;function n(e){return new Promise((o,n)=>{const t=document.createElement("script");t.onload=()=>o(),t.onerror=e=>n(e),t.src=e,document.body.appendChild(t)})}function t(){if(e)return e;const o=window.wpcom_coblocks_js;return e=n(o.coblocks_lightbox_js),e}function r(){if(o)return o;window.wpcomJQueryUsageLoggerDisabled=!0;const e=window.wpcom_coblocks_js,t=window.jQuery?Promise.resolve():n(e.jquery_core_js).then(()=>n(e.jquery_migrate_js)),r=t.then(()=>window.imagesLoaded?Promise.resolve():n(e.imagesloaded_js)),c=t.then(()=>window.Masonry?Promise.resolve():n(e.masonry_js)),u=Promise.all([t,r,c]).then(()=>n(e.coblocks_masonry_js));return o=u,o}function c(){document.querySelector(".wp-block-coblocks-gallery-masonry")&&r(),document.querySelector(".has-lightbox")&&t(),document.body.classList.contains("block-editor-page")&&(r(),t())}"loading"!==document.readyState?c():document.addEventListener("DOMContentLoaded",c)}()}});; 1244( function () { 1245 'use strict'; 1246 1247 var nextFrame; 1248 var headerImage; 1249 var brandingWrapper; 1250 1251 // Cool header image scroll 1252 function handleScrollFrame() { 1253 if ( document.documentElement.clientWidth > 800 ) { 1254 var scrollY = window.scrollY || window.pageYOffset || 0; 1255 headerImage.style.transform = 'translateY(' + scrollY / 3 + 'px)'; 1256 1257 var headerHeightPx = getComputedStyle( headerImage ).height || '0'; 1258 var headerHeight = parseInt( headerHeightPx.replace( 'px', '' ), 10 ); 1259 var opacity = headerHeight ? 1 - scrollY / headerHeight : 1; 1260 brandingWrapper.style.opacity = opacity > 0 ? opacity : 0; 1261 } else { 1262 headerImage.style.transform = 'translateY(0)'; 1263 brandingWrapper.style.opacity = 1; 1264 } 1265 nextFrame = null; 1266 } 1267 1268 function onDocumentReady() { 1269 headerImage = document.querySelector( '.site-header-image' ); 1270 brandingWrapper = document.querySelector( '.site-branding-wrapper' ); 1271 1272 if ( headerImage && brandingWrapper ) { 1273 window.addEventListener( 'scroll', function () { 1274 // Schedule a new frame, if one hasn't been scheduled yet. 1275 nextFrame = nextFrame || requestAnimationFrame( handleScrollFrame ); 1276 } ); 1277 } 1278 1279 // Smooth scroll to header 1280 var toTheTop = document.querySelector( '.tothetop' ); 1281 if ( toTheTop ) { 1282 toTheTop.addEventListener( 'click', function ( e ) { 1283 e.preventDefault(); 1284 if ( 1285 window.CSS && 1286 window.CSS.supports && 1287 window.CSS.supports( 'scroll-behavior', 'smooth' ) 1288 ) { 1289 window.scroll( { top: 0, behavior: 'smooth' } ); 1290 } else { 1291 window.scroll( 0, 0 ); 1292 } 1293 } ); 1294 } 1295 } 1296 1297 function onPageLoad() {
1298 // Trigger resize event to make sure video widgets in the footer maintain the correct aspect ratio 1299 setTimeout( function () { 1300 if ( typeof Event === 'function' ) { 1301 window.dispatchEvent( new Event( 'resize' ) ); 1302 } else { 1303 var event = window.document.createEvent( 'UIEvents' ); 1304 event.initUIEvent( 'resize', true, false, window, 0 ); 1305 window.dispatchEvent( event ); 1306 } 1307 } ); 1308 } 1309 1310 if ( document.readyState !== 'loading' ) { 1311 onDocumentReady(); 1312 } else { 1313 document.addEventListener( 'DOMContentLoaded', onDocumentReady ); 1314 } 1315 1316 if ( document.readyState === 'complete' ) { 1317 onPageLoad(); 1318 } else { 1319 window.addEventListener( 'load', onPageLoad ); 1320 } 1321} )(); 1322; 1323/** 1324 * navigation.js 1325 * 1326 * Handles toggling the navigation menu and search menu for small screens. 1327 */ 1328( function() { 1329 var container, button, menu, links, i, len; 1330 1331 container = document.getElementById( 'site-navigation' ); 1332 if ( ! container ) { 1333 return; 1334 } 1335 1336 button = container.getElementsByTagName( 'button' )[0]; 1337 if ( 'undefined' === typeof button ) { 1338 return; 1339 } 1340 1341 menu = container.getElementsByTagName( 'ul' )[0]; 1342 1343 // Hide menu toggle button if menu is empty and return early. 1344 if ( 'undefined' === typeof menu ) { 1345 button.style.display = 'none'; 1346 return; 1347 } 1348 1349 menu.setAttribute( 'aria-expanded', 'false' ); 1350 if ( -1 === menu.className.indexOf( 'nav-menu' ) ) { 1351 menu.className += ' nav-menu'; 1352 } 1353 1354 button.onclick = function() { 1355 if ( -1 !== container.className.indexOf( 'toggled' ) ) { 1356 container.className = container.className.replace( ' toggled', '' ); 1357 button.setAttribute( 'aria-expanded', 'false' ); 1358 menu.setAttribute( 'aria-expanded', 'false' ); 1359 } else { 1360 container.className += ' toggled'; 1361 button.setAttribute( 'aria-expanded', 'true' ); 1362 menu.setAttribute( 'aria-expanded', 'true' ); 1363 } 1364 }; 1365 1366 // Get all the link elements within the menu. 1367 links = menu.getElementsByTagName( 'a' ); 1368 1369 // Each time a menu link is focused or blurred, toggle focus. 1370 for ( i = 0, len = links.length; i < len; i++ ) { 1371 links[i].addEventListener( 'focus', toggleFocus, true ); 1372 links[i].addEventListener( 'blur', toggleFocus, true ); 1373 } 1374 1375 /** 1376 * Sets or removes .focus class on an element. 1377 */ 1378 function toggleFocus() { 1379 var self = this; 1380 1381 // Move up through the ancestors of the current link until we hit .nav-menu. 1382 while ( -1 === self.className.indexOf( 'nav-menu' ) ) { 1383 1384 // On li elements toggle the class .focus. 1385 if ( 'li' === self.tagName.toLowerCase() ) { 1386 if ( -1 !== self.className.indexOf( 'focus' ) ) { 1387 self.className = self.className.replace( ' focus', '' ); 1388 } else { 1389 self.className += ' focus'; 1390 } 1391 } 1392 1393 self = self.parentElement; 1394 } 1395 } 1396 1397 /** 1398 * Toggles `focus` class to allow submenu access on tablets. 1399 */ 1400 ( function( container ) { 1401 var touchStartFn, i, 1402 parentLink = container.querySelectorAll( '.menu-item-has-children > a, .page_item_has_children > a' ); 1403 1404 if ( 'ontouchstart' in window ) { 1405 touchStartFn = function( e ) { 1406 var menuItem = this.parentNode, i; 1407 1408 if ( ! menuItem.classList.contains( 'focus' ) ) { 1409 e.preventDefault(); 1410 for ( i = 0; i < menuItem.parentNode.children.length; ++i ) { 1411 if ( menuItem === menuItem.parentNode.children[i] ) { 1412 continue; 1413 } 1414 menuItem.parentNode.children[i].classList.remove( 'focus' ); 1415 } 1416 menuItem.classList.add( 'focus' ); 1417 } else { 1418 menuItem.classList.remove( 'focus' ); 1419 } 1420 }; 1421 1422 for ( i = 0; i < parentLink.length; ++i ) { 1423 parentLink[i].addEventListener( 'touchstart', touchStartFn, false ); 1424 } 1425 } 1426 }( container ) ); 1427 1428 //Search form 1429 var searchcontainer, searchbutton, searchmenu; 1430 1431 searchcontainer = document.getElementById( 'header-search' ); 1432 if ( ! searchcontainer ) 1433 return; 1434 1435 searchbutton = document.getElementById( 'header-search-toggle' ); 1436 if ( 'undefined' === typeof searchbutton ) 1437 return; 1438 1439 searchbutton.onclick = function() { 1440 if ( -1 !== searchcontainer.className.indexOf( 'toggled' ) ) { 1441 searchcontainer.className = searchcontainer.className.replace( 'toggled', '' ); 1442 } 1443 else { 1444 searchcontainer.className += 'toggled'; 1445 container.className = container.className.replace( ' toggled', '' ); 1446 } 1447 }; 1448 1449} )(); 1450; 1451( function() { 1452 var is_webkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1, 1453 is_opera = navigator.userAgent.toLowerCase().indexOf( 'opera' ) > -1, 1454 is_ie = navigator.userAgent.toLowerCase().indexOf( 'msie' ) > -1; 1455 1456 if ( ( is_webkit || is_opera || is_ie ) && 'undefined' !== typeof( document.getElementById ) ) { 1457 var eventMethod = ( window.addEventListener ) ? 'addEventListener' : 'attachEvent';
1458 window[ eventMethod ]( 'hashchange', function() { 1459 var element = document.getElementById( location.hash.substring( 1 ) ); 1460 1461 if ( element ) { 1462 if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) 1463 element.tabIndex = -1; 1464 1465 element.focus(); 1466 } 1467 }, false ); 1468 } 1469})(); 1470; 1471!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.VideoPressIframeApi=t():e.VideoPressIframeApi=t()}(this,()=>(()=>{"use strict";var e={d:(t,n)=>{for(var s in n)e.o(n,s)&&!e.o(t,s)&&Object.defineProperty(t,s,{enumerable:!0,get:n[s]})},o:(e,t)=>Object.prototype.hasOwnProperty.call(e,t)},t={};function n(e,t,n){return(t=function(e){var t=function(e){if("object"!=typeof e||!e)return e;var t=e[Symbol.toPrimitive];if(void 0!==t){var n=t.call(e,"string");if("object"!=typeof n)return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return String(e)}(e);return"symbol"==typeof t?t:t+""}(t))in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}e.d(t,{default:()=>s});const s=(e,t=null)=>{const s="channel_init",a=new class{constructor(e,t=null){n(this,"initListener",()=>{let e=0;const t=Math.random().toString(36),n=()=>{window.removeEventListener("message",s),clearInterval(a)},s=e=>{e.source===this.iframe.contentWindow&&e.data&&e.data.uid===t&&"iframe_ack_response"===e.data.event&&(n(),this.onIframeLoaded())};window.addEventListener("message",s);const a=setInterval(()=>{e>40?n():this.iframe.contentWindow&&(this.iframe.contentWindow.postMessage({event:"iframe_ack",uid:t},"*"),e++)},300);this.iframe.addEventListener("load",()=>{n(),this.onIframeLoaded()})}),n(this,"onIframeLoaded",()=>{this.channel||(this.channel=new MessageChannel,this.channel.port1.onmessage=e=>this.onMessageReceived(e),this.iframe.contentWindow.postMessage({event:s},"*",[this.channel.port2]))}),n(this,"onChannelInitialized",()=>{this.onReadyCallback&&this.onReadyCallback()}),n(this,"postMessage",(e,t=null,n=null)=>{if(null===this.channel)return;const s={event:e};null!==t&&Array.isArray(t)&&(s.args=t),null!==n&&(s.xchgId=n),this.channel.port1.postMessage(s)}),n(this,"generateXchgId",()=>++this.currentXchgId),n(this,"generateListenerId",()=>++this.currentEventListenerId),n(this,"callMethod",(e,t=null)=>{const n=this.generateXchgId();return new Promise((s,a)=>{this.pendingResolvers[n]={resolve:s,reject:a},this.postMessage(e,t,n)})}),n(this,"listen",(e,t)=>{if(!this.eventListenersByEvent[e])return!1;const n=this.generateListenerId();return this.eventListenersById[n]={event:e,callback:t},this.eventListenersByEvent[e].push(n),n}),n(this,"stopListening",e=>{if(e=Number(e),this.eventListenersById[e]){const t=this.eventListenersById[e],n=this.eventListenersByEvent[t.event].findIndex(t=>e===t);void 0!==n&&this.eventListenersByEvent[t.event].splice(n,1),delete this.eventListenersById[e]}}),n(this,"onMessageReceived",e=>{const t=e.data.event??!1;if(!t)return;if(s===t)return void this.onChannelInitialized();const n=e.data.xchgId??0;n?this.onMessageReceivedWithXchgId(n,t,e):"event"===t&&this.onEventReceived(e)}),n(this,"onEventReceived",e=>{const t=e.data.type??"";if(!t||!this.eventListenersByEvent[t])return;const n=e.data.args??[];this.eventListenersByEvent[t].forEach(e=>{const t=this.eventListenersById[e]??null;t&&t.callback(...n)})}),n(this,"onMessageReceivedWithXchgId",(e,t,n)=>{if(!this.pendingResolvers[e])return;const s=this.pendingResolvers[e];delete this.pendingResolvers[e],"error"===t?s.reject(n.data.code,n.data.message):"result"===t&&s.resolve(n.data.message.result)}),this.currentXchgId=0,this.currentEventListenerId=0,this.pendingResolvers={},this.eventListenersById={},this.eventListenersByEvent={"info.infoUpdated":[],"info.dimensionsChanged":[],"status.fullscreenChanged":[],"status.playerStatusChanged":[],"status.playbackTimeUpdated":[],"status.timeUpdate":[],"status.chaptersChapterChange":[],"status.chaptersTrackChange":[],"status.borderColorsChanged":[],"status.error":[],"status.segmentsWatched":[],"status.playbackRateUpdate":[]},this.onReadyCallback=t,this.channel=null,this.iframe=e,this.initListener()}}(e,t);return{controls:{play:()=>new Promise((e,t)=>
1471a.callMethod("controls.play",[]).then(e).catch(t)),pause:()=>new Promise((e,t)=>a.callMethod("controls.pause",[]).then(e).catch(t)),seek:e=>new Promise((t,n)=>{if(e=Number(e),!isNaN(e))return a.callMethod("controls.seek",[e]).then(t).catch(n);n("Invalid argument provided for timeMs")}),volume:e=>new Promise((t,n)=>{if(e=Number(e),!isNaN(e))return a.callMethod("controls.volume",[e]).then(t).catch(n);n("Invalid argument provided for volume")}),mute:e=>new Promise((t,n)=>(e=(!("toLowerCase"in Object(e))||"false"!==e.toLowerCase()&&"0"!==e)&&Boolean(e),a.callMethod("controls.mute",[e]).then(t).catch(n))),fullscreen:e=>new Promise((t,n)=>(e=(!("toLowerCase"in Object(e))||"false"!==e.toLowerCase()&&"0"!==e)&&Boolean(e),a.callMethod("controls.fullscreen",[e]).then(t).catch(n))),setChapters:e=>new Promise((t,n)=>{if(Array.isArray(e))return a.callMethod("controls.setChapters",[e]).then(t).catch(n);n("Invalid argument provided for chapters")})},customize:{get:e=>new Promise((t,n)=>(e=String(e),a.callMethod("customize.get",[e]).then(t).catch(n))),set:e=>new Promise((t,n)=>{if("object"==typeof e)return a.callMethod("customize.set",[e]).then(t).catch(n);n("Invalid argument provided for options")})},info:{onInfoUpdated:e=>a.listen("info.infoUpdated",e),offInfoUpdated:e=>a.stopListening(e),duration:(e=JSON.parse(!1))=>new Promise((t,n)=>(e=(!("toLowerCase"in Object(e))||"false"!==e.toLowerCase()&&"0"!==e)&&Boolean(e),a.callMethod("info.duration",[e]).then(t).catch(n))),dimensions:()=>new Promise((e,t)=>a.callMethod("info.dimensions",[]).then(e).catch(t)),onDimensionsChanged:e=>a.listen("info.dimensionsChanged",e),offDimensionsChanged:e=>a.stopListening(e),guid:()=>new Promise((e,t)=>a.callMethod("info.guid",[]).then(e).catch(t)),title:()=>new Promise((e,t)=>a.callMethod("info.title",[]).then(e).catch(t)),poster:()=>new Promise((e,t)=>a.callMethod("info.poster",[]).then(e).catch(t)),privacy:()=>new Promise((e,t)=>a.callMethod("info.privacy",[]).then(e).catch(t)),getThumbnailSample:e=>new Promise((t,n)=>{if(e=Number(e),!isNaN(e))return a.callMethod("info.getThumbnailSample",[e]).then(t).catch(n);n("Invalid argument provided for count")}),enableWatchedSegments:()=>new Promise((e,t)=>a.callMethod("info.enableWatchedSegments",[]).then(e).catch(t)),disableWatchedSegments:()=>new Promise((e,t)=>a.callMethod("info.disableWatchedSegments",[]).then(e).catch(t)),toggleWatchedSegments:()=>new Promise((e,t)=>a.callMethod("info.toggleWatchedSegments",[]).then(e).catch(t)),watched:()=>new Promise((e,t)=>a.callMethod("info.watched",[]).then(e).catch(t)),resetWatched:()=>new Promise((e,t)=>a.callMethod("info.resetWatched",[]).then(e).catch(t))},status:{fullscreen:()=>new Promise((e,t)=>a.callMethod("status.fullscreen",[]).then(e).catch(t)),onFullscreenChanged:e=>a.listen("status.fullscreenChanged",e),offFullscreenChanged:e=>a.stopListening(e),player:()=>new Promise((e,t)=>a.callMethod("status.player",[]).then(e).catch(t)),onPlayerStatusChanged:e=>a.listen("status.playerStatusChanged",e),offPlayerStatusChanged:e=>a.stopListening(e),audio:()=>new Promise((e,t)=>a.callMethod("status.audio",[]).then(e).catch(t)),playbackTime:()=>new Promise((e,t)=>a.callMethod("status.playbackTime",[]).then(e).catch(t)),onPlaybackTimeUpdated:e=>a.listen("status.playbackTimeUpdated",e),offPlaybackTimeUpdated:e=>a.stopListening(e),onTimeUpdate:e=>a.listen("status.timeUpdate",e),offTimeUpdate:e=>a.stopListening(e),onChaptersChapterChange:e=>a.listen("status.chaptersChapterChange",e),offChaptersChapterChange:e=>a.stopListening(e),onChaptersTrackChange:e=>a.listen("status.chaptersTrackChange",e),offChaptersTrackChange:e=>a.stopListening(e),onBorderColorsChanged:e=>a.listen("status.borderColorsChanged",e),offBorderColorsChanged:e=>a.stopListening(e),borderColors:()=>new Promise((e,t)=>a.callMethod("status.borderColors",[]).then(e).catch(t)),onError:e=>a.listen("status.error",e),offError:e=>a.stopListening(e),onSegmentsWatched:e=>a.listen("status.segmentsWatched",e),offSegmentsWatched:e=>a.stopListening(e),onPlaybackRateUpdate:e=>a.listen("status.playbackRateUpdate",e),offPlaybackRateUpdate:e=>a.stopListening(e)}}};return t.default})());;
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.