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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(document).ready(function ($) { |
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|
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/** |
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* Init site preview function. |
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*/ |
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mainwp_preview_init_event = function() { |
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var mshotRemovalTimer = null; |
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var mshotSecondTryTimer = null |
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var mshotThirdTryTimer = null |
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|
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var mshotEnabledLinkSelector = 'td span.mainwp-preview-item'; |
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|
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// Show a preview image of the hovered URL. |
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$( '.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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var thisHref = $( this ).attr( 'preview-site-url' ); |
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|
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var 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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var 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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var 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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var 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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var 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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