From 7086111ad4dd997e12a3220e1ee60c9b9bcf0bb8 Mon Sep 17 00:00:00 2001 From: Charles Date: Tue, 7 Jan 2020 13:06:14 +0100 Subject: Added wordpress --- srcs/wordpress/wp-includes/js/wp-emoji-loader.js | 215 +++++++++++++++++++++++ 1 file changed, 215 insertions(+) create mode 100644 srcs/wordpress/wp-includes/js/wp-emoji-loader.js (limited to 'srcs/wordpress/wp-includes/js/wp-emoji-loader.js') diff --git a/srcs/wordpress/wp-includes/js/wp-emoji-loader.js b/srcs/wordpress/wp-includes/js/wp-emoji-loader.js new file mode 100644 index 0000000..3695517 --- /dev/null +++ b/srcs/wordpress/wp-includes/js/wp-emoji-loader.js @@ -0,0 +1,215 @@ +/** + * @output wp-includes/js/wp-emoji-loader.js + */ + +( function( window, document, settings ) { + var src, ready, ii, tests; + + // Create a canvas element for testing native browser support of emoji. + var canvas = document.createElement( 'canvas' ); + var context = canvas.getContext && canvas.getContext( '2d' ); + + /** + * Checks if two sets of Emoji characters render the same visually. + * + * @since 4.9.0 + * + * @private + * + * @param {number[]} set1 Set of Emoji character codes. + * @param {number[]} set2 Set of Emoji character codes. + * + * @return {boolean} True if the two sets render the same. + */ + function emojiSetsRenderIdentically( set1, set2 ) { + var stringFromCharCode = String.fromCharCode; + + // Cleanup from previous test. + context.clearRect( 0, 0, canvas.width, canvas.height ); + context.fillText( stringFromCharCode.apply( this, set1 ), 0, 0 ); + var rendered1 = canvas.toDataURL(); + + // Cleanup from previous test. + context.clearRect( 0, 0, canvas.width, canvas.height ); + context.fillText( stringFromCharCode.apply( this, set2 ), 0, 0 ); + var rendered2 = canvas.toDataURL(); + + return rendered1 === rendered2; + } + + /** + * Detects if the browser supports rendering emoji or flag emoji. + * + * Flag emoji are a single glyph made of two characters, so some browsers + * (notably, Firefox OS X) don't support them. + * + * @since 4.2.0 + * + * @private + * + * @param {string} type Whether to test for support of "flag" or "emoji". + * + * @return {boolean} True if the browser can render emoji, false if it cannot. + */ + function browserSupportsEmoji( type ) { + var isIdentical; + + if ( ! context || ! context.fillText ) { + return false; + } + + /* + * Chrome on OS X added native emoji rendering in M41. Unfortunately, + * it doesn't work when the font is bolder than 500 weight. So, we + * check for bold rendering support to avoid invisible emoji in Chrome. + */ + context.textBaseline = 'top'; + context.font = '600 32px Arial'; + + switch ( type ) { + case 'flag': + /* + * Test for Transgender flag compatibility. This flag is shortlisted for the Emoji 13 spec, + * but has landed in Twemoji early, so we can add support for it, too. + * + * To test for support, we try to render it, and compare the rendering to how it would look if + * the browser doesn't render it correctly (white flag emoji + transgender symbol). + */ + isIdentical = emojiSetsRenderIdentically( + [ 0x1F3F3, 0xFE0F, 0x200D, 0x26A7, 0xFE0F ], + [ 0x1F3F3, 0xFE0F, 0x200B, 0x26A7, 0xFE0F ] + ); + + if ( isIdentical ) { + return false; + } + + /* + * Test for UN flag compatibility. This is the least supported of the letter locale flags, + * so gives us an easy test for full support. + * + * To test for support, we try to render it, and compare the rendering to how it would look if + * the browser doesn't render it correctly ([U] + [N]). + */ + isIdentical = emojiSetsRenderIdentically( + [ 0xD83C, 0xDDFA, 0xD83C, 0xDDF3 ], + [ 0xD83C, 0xDDFA, 0x200B, 0xD83C, 0xDDF3 ] + ); + + if ( isIdentical ) { + return false; + } + + /* + * Test for English flag compatibility. England is a country in the United Kingdom, it + * does not have a two letter locale code but rather an five letter sub-division code. + * + * To test for support, we try to render it, and compare the rendering to how it would look if + * the browser doesn't render it correctly (black flag emoji + [G] + [B] + [E] + [N] + [G]). + */ + isIdentical = emojiSetsRenderIdentically( + [ 0xD83C, 0xDFF4, 0xDB40, 0xDC67, 0xDB40, 0xDC62, 0xDB40, 0xDC65, 0xDB40, 0xDC6E, 0xDB40, 0xDC67, 0xDB40, 0xDC7F ], + [ 0xD83C, 0xDFF4, 0x200B, 0xDB40, 0xDC67, 0x200B, 0xDB40, 0xDC62, 0x200B, 0xDB40, 0xDC65, 0x200B, 0xDB40, 0xDC6E, 0x200B, 0xDB40, 0xDC67, 0x200B, 0xDB40, 0xDC7F ] + ); + + return ! isIdentical; + case 'emoji': + /* + * Love is love. + * + * To test for Emoji 12 support, try to render a new emoji: men holding hands, with different skin + * tone modifiers. + * + * When updating this test for future Emoji releases, ensure that individual emoji that make up the + * sequence come from older emoji standards. + */ + isIdentical = emojiSetsRenderIdentically( + [0xD83D, 0xDC68, 0xD83C, 0xDFFE, 0x200D, 0xD83E, 0xDD1D, 0x200D, 0xD83D, 0xDC68, 0xD83C, 0xDFFC], + [0xD83D, 0xDC68, 0xD83C, 0xDFFE, 0x200B, 0xD83E, 0xDD1D, 0x200B, 0xD83D, 0xDC68, 0xD83C, 0xDFFC] + ); + + return ! isIdentical; + } + + return false; + } + + /** + * Adds a script to the head of the document. + * + * @ignore + * + * @since 4.2.0 + * + * @param {Object} src The url where the script is located. + * @return {void} + */ + function addScript( src ) { + var script = document.createElement( 'script' ); + + script.src = src; + script.defer = script.type = 'text/javascript'; + document.getElementsByTagName( 'head' )[0].appendChild( script ); + } + + tests = Array( 'flag', 'emoji' ); + + settings.supports = { + everything: true, + everythingExceptFlag: true + }; + + /* + * Tests the browser support for flag emojis and other emojis, and adjusts the + * support settings accordingly. + */ + for( ii = 0; ii < tests.length; ii++ ) { + settings.supports[ tests[ ii ] ] = browserSupportsEmoji( tests[ ii ] ); + + settings.supports.everything = settings.supports.everything && settings.supports[ tests[ ii ] ]; + + if ( 'flag' !== tests[ ii ] ) { + settings.supports.everythingExceptFlag = settings.supports.everythingExceptFlag && settings.supports[ tests[ ii ] ]; + } + } + + settings.supports.everythingExceptFlag = settings.supports.everythingExceptFlag && ! settings.supports.flag; + + // Sets DOMReady to false and assigns a ready function to settings. + settings.DOMReady = false; + settings.readyCallback = function() { + settings.DOMReady = true; + }; + + // When the browser can not render everything we need to load a polyfill. + if ( ! settings.supports.everything ) { + ready = function() { + settings.readyCallback(); + }; + + /* + * Cross-browser version of adding a dom ready event. + */ + if ( document.addEventListener ) { + document.addEventListener( 'DOMContentLoaded', ready, false ); + window.addEventListener( 'load', ready, false ); + } else { + window.attachEvent( 'onload', ready ); + document.attachEvent( 'onreadystatechange', function() { + if ( 'complete' === document.readyState ) { + settings.readyCallback(); + } + } ); + } + + src = settings.source || {}; + + if ( src.concatemoji ) { + addScript( src.concatemoji ); + } else if ( src.wpemoji && src.twemoji ) { + addScript( src.twemoji ); + addScript( src.wpemoji ); + } + } + +} )( window, document, window._wpemojiSettings ); -- cgit