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Viewing changes to wp-includes/js/wp-emoji.js

  • Committer: Haw Loeung (hloeung)
  • Date: 2015-05-08 02:12:58 UTC
  • mfrom: (1.1.6 upstream)
  • Revision ID: haw.loeung@canonical.com-20150508021258-d0zgf68ks1s3uexw
Merge WP4.2.2 from upstream.

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wp-includes/js/wp-emoji.js
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                var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
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                /**
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                 * Flag to determine if the browser and the OS support emoji.
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                 *
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                 * @since 4.2.0
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                 *
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                 * @var Boolean
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                 */
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                supportsEmoji = false,
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                /**
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                 * Flag to determine if the browser and the OS support flag (two character) emoji.
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                 *
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                 * @since 4.2.0
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                 *
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                 * @var Boolean
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                 */
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                supportsFlagEmoji = false,
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                /**
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                 * Flag to determine if we should replace emoji characters with images.
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                 *
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                 * @since 4.2.0
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                 */
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                replaceEmoji = false,
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                isIE8 = window.navigator.userAgent.indexOf( 'IE 8' ) !== -1,
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                // Private
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                twemoji, timer,
 
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                loaded = false,
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                count = 0;
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                /**
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                 * @since 4.2.0
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                 */
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                function load() {
 
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                        if ( loaded ) {
 
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                                return;
 
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                        }
 
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                        if ( typeof window.twemoji === 'undefined' ) {
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                                // Break if waiting for longer than 30 sec.
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                                if ( count > 600 ) {
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                        }
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                        twemoji = window.twemoji;
 
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                        loaded = true;
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                        if ( MutationObserver ) {
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                                new MutationObserver( function( mutationRecords ) {
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                                        var i = mutationRecords.length,
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                                                ii, node;
 
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                                                addedNodes, removedNodes, ii, node;
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                                        while ( i-- ) {
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                                                ii = mutationRecords[ i ].addedNodes.length;
 
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                                                addedNodes = mutationRecords[ i ].addedNodes;
 
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                                                removedNodes = mutationRecords[ i ].removedNodes;
 
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                                                ii = addedNodes.length;
 
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                                                if (
 
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                                                        ii === 1 && removedNodes.length === 1 &&
 
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                                                        addedNodes[0].nodeType === 3 &&
 
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                                                        removedNodes[0].nodeName === 'IMG' &&
 
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                                                        addedNodes[0].data === removedNodes[0].alt
 
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                                                ) {
 
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                                                        return;
 
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                                                }
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                                                while ( ii-- ) {
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                                                        node = mutationRecords[ i ].addedNodes[ ii ];
 
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                                                        node = addedNodes[ ii ];
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                                                        if ( node.nodeType === 3 ) {
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                                                                node = node.parentNode;
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                                                        }
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                                                        if ( ! node || ( node.className && node.className.indexOf( 'wp-exclude-emoji' ) !== -1 ) ) {
 
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                                                                continue;
 
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                                                        }
 
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                                                        if ( node && node.nodeType === 1 ) {
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                                                                parse( node );
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                                                        }
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                 * @param {Object} args Additional options for Twemoji.
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                 */
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                function parse( object, args ) {
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                        if ( ! replaceEmoji ) {
 
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                        if ( ! replaceEmoji || ! twemoji ) {
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                                return object;
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                        }
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                                                        return false;
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                                        }
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                                        if ( ! supportsFlagEmoji && supportsEmoji &&
 
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                                        if ( ! settings.supports.flag && settings.supports.simple &&
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                                                ! /^1f1(?:e[6-9a-f]|f[0-9a-f])-1f1(?:e[6-9a-f]|f[0-9a-f])$/.test( icon ) ) {
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                                                return false;
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                        } );
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                }
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                // Load when the readyState changes to 'interactive', not 'complete'.
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                function onLoad() {
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                        if ( ( ! isIE8 && 'interactive' === document.readyState ) || ( isIE8 && 'complete' === document.readyState ) ) {
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                                load();
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                        }
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                }
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                /**
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                 * Initialize our emoji support, and set up listeners.
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                 */
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                if ( settings ) {
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                        supportsEmoji = window._wpemojiSettings.supports.simple;
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                        supportsFlagEmoji = window._wpemojiSettings.supports.flag;
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                        replaceEmoji = ! supportsEmoji || ! supportsFlagEmoji;
 
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                        replaceEmoji = ! settings.supports.simple || ! settings.supports.flag;
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                        if ( ( ! isIE8 && 'loading' === document.readyState ) || ( isIE8 && 'complete' !== document.readyState ) ) {
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                                if ( document.addEventListener ) {
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                                        document.addEventListener( 'readystatechange', onLoad, false );
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                                } else if ( document.attachEvent ) {
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                                        document.attachEvent( 'onreadystatechange', onLoad );
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                                }
 
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                        if ( settings.DOMReady ) {
 
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                                load();
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                        } else {
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                                load();
 
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                                settings.readyCallback = load;
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                        }
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                }
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