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/** |
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* |
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* Credits |
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* |
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* Plugin-Name: Akismet Anti-Spam |
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* Plugin-URI: https://akismet.com/ |
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* Author: Automattic |
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* Author URI: https://automattic.com/wordpress-plugins/ |
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* License: GPLv2 or later |
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* Text Domain: akismet |
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* |
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*/ |
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|
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jQuery(function($) { |
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|
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/** |
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* Init site preview function. |
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*/ |
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window.mainwp_preview_init_event = function () { |
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let mshotRemovalTimer = null; |
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let mshotSecondTryTimer = null |
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let mshotThirdTryTimer = null |
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|
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let mshotEnabledLinkSelector = 'td span.mainwp-preview-item'; |
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|
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// Show a preview image of the hovered URL. |
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$('.mainwp-with-preview-table').on('click', mshotEnabledLinkSelector, function () { |
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clearTimeout(mshotRemovalTimer); |
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|
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if ($('.mainwp-preview-mshot').length > 0) { |
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if ($('.mainwp-preview-mshot:first').data('link') == this) { |
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// The preview is already showing for this link. |
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return; |
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} |
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else { |
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// A new link is being hovered, so remove the old preview. |
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$('.mainwp-preview-mshot').remove(); |
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} |
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} |
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|
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clearTimeout(mshotSecondTryTimer); |
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clearTimeout(mshotThirdTryTimer); |
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|
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let thisHref = $(this).attr('preview-site-url'); |
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|
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let mShot = $('<div class="mainwp-preview-mshot mshot-container"><div class="mshot-arrow"></div><img src="' + mainwp_preview_mshot_url(thisHref) + '" width="450" height="338" class="mshot-image" /></div>'); |
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mShot.data('link', this); |
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|
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let offset = $(this).offset(); |
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|
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mShot.offset({ |
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left: Math.min($(window).width() - 475, offset.left + $(this).width() + 10), // Keep it on the screen if the link is near the edge of the window. |
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top: offset.top + ($(this).height() / 2) - 101 // 101 = top offset of the arrow plus the top border thickness |
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}); |
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|
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// These retries appear to be superfluous if .mshot-image has already loaded, but it's because mShots |
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// can return a "Generating thumbnail..." image if it doesn't have a thumbnail ready, so we need |
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// to retry to see if we can get the newly generated thumbnail. |
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mshotSecondTryTimer = setTimeout(function () { |
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mShot.find('.mshot-image').attr('src', mainwp_preview_mshot_url(thisHref, 2)); |
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}, 6000); |
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|
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mshotThirdTryTimer = setTimeout(function () { |
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mShot.find('.mshot-image').attr('src', mainwp_preview_mshot_url(thisHref, 3)); |
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}, 12000); |
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|
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$('body').append(mShot); |
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}).on('mouseover', 'tr', function () { |
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// When the mouse hovers over a row, begin preloading mshots for links. |
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let linksToPreloadMshotsFor = $(this).find(mshotEnabledLinkSelector); |
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|
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linksToPreloadMshotsFor.each(function () { |
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// Don't attempt to preload an mshot for a single link twice. Browser caching should cover this, but in case of |
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// race conditions, save a flag locally when we've begun trying to preload one. |
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if (!$(this).data('mainwp-preview-mshot-preloaded')) { |
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mainwp_preview_preload_mshot($(this).attr('preview-site-url')); |
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$(this).data('mainwp-preview-mshot-preloaded', true); |
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} |
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}); |
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}); |
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|
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$(document).on('mouseup', function () { |
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if ($('.mainwp-preview-mshot').length > 0) { |
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mshotRemovalTimer = setTimeout(function () { |
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clearTimeout(mshotSecondTryTimer); |
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clearTimeout(mshotThirdTryTimer); |
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$('.mainwp-preview-mshot').remove(); |
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}, 100); |
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} |
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}); |
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}; |
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|
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// init preview. |
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mainwp_preview_init_event(); |
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|
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/** |
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* Generate an mShot URL if given a link URL. |
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* |
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* @param string linkUrl |
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* @param int retry If retrying a request, the number of the retry. |
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* @return string The mShot URL; |
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*/ |
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function mainwp_preview_mshot_url(linkUrl, retry) { |
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let mshotUrl = '//s0.wordpress.com/mshots/v1/' + encodeURIComponent(linkUrl) + '?w=900'; |
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|
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if (retry) { |
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mshotUrl += '&r=' + encodeURIComponent(retry); |
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} |
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|
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return mshotUrl; |
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} |
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|
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/** |
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* Begin loading an mShot preview of a link. |
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* |
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* @param string linkUrl |
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*/ |
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function mainwp_preview_preload_mshot(linkUrl) { |
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let img = new Image(); |
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img.src = mainwp_preview_mshot_url(linkUrl); |
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} |
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}); |
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