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Emoji: Use twemoji in browsers that don't support Unicode 8 emoji.

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Some less advanced browsers are yet to add support for the important advances made in Unicode 8. Let's make ensure that their users can experience emoji in their full glory.

See #33592.


Built from https://develop.svn.wordpress.org/trunk@35606


git-svn-id: http://core.svn.wordpress.org/trunk@35570 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Gary Pendergast 2015-11-11 02:25:25 +00:00
parent 5f93491286
commit d3f30288e9
7 changed files with 29 additions and 20 deletions
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2
wp-includes/formatting.php
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@ -4570,7 +4570,7 @@ function print_emoji_detection_script() {
?> ?>
<script type="text/javascript"> <script type="text/javascript">
window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>; window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>;
!function(a,b,c){function d(a){var c=b.createElement("canvas"),d=c.getContext&&c.getContext("2d");return d&&d.fillText?(d.textBaseline="top",d.font="600 32px Arial","flag"===a?(d.fillText(String.fromCharCode(55356,56812,55356,56807),0,0),c.toDataURL().length>3e3):(d.fillText(String.fromCharCode(55357,56835),0,0),0!==d.getImageData(16,16,1,1).data[0])):!1}function e(a){var c=b.createElement("script");c.src=a,c.type="text/javascript",b.getElementsByTagName("head")[0].appendChild(c)}var f,g;c.supports={simple:d("simple"),flag:d("flag")},c.DOMReady=!1,c.readyCallback=function(){c.DOMReady=!0},c.supports.simple&&c.supports.flag||(g=function(){c.readyCallback()},b.addEventListener?(b.addEventListener("DOMContentLoaded",g,!1),a.addEventListener("load",g,!1)):(a.attachEvent("onload",g),b.attachEvent("onreadystatechange",function(){"complete"===b.readyState&&c.readyCallback()})),f=c.source||{},f.concatemoji?e(f.concatemoji):f.wpemoji&&f.twemoji&&(e(f.twemoji),e(f.wpemoji)))}(window,document,window._wpemojiSettings); !function(a,b,c){function d(a){var c=b.createElement("canvas"),d=c.getContext&&c.getContext("2d");return d&&d.fillText?(d.textBaseline="top",d.font="600 32px Arial","flag"===a?(d.fillText(String.fromCharCode(55356,56806,55356,56826),0,0),c.toDataURL().length>3e3):("simple"===a?d.fillText(String.fromCharCode(55357,56835),0,0):d.fillText(String.fromCharCode(55356,57135),0,0),0!==d.getImageData(16,16,1,1).data[0])):!1}function e(a){var c=b.createElement("script");c.src=a,c.type="text/javascript",b.getElementsByTagName("head")[0].appendChild(c)}var f,g;c.supports={simple:d("simple"),flag:d("flag"),unicode8:d("unicode8")},c.DOMReady=!1,c.readyCallback=function(){c.DOMReady=!0},c.supports.simple&&c.supports.flag&&c.supports.unicode8||(g=function(){c.readyCallback()},b.addEventListener?(b.addEventListener("DOMContentLoaded",g,!1),a.addEventListener("load",g,!1)):(a.attachEvent("onload",g),b.attachEvent("onreadystatechange",function(){"complete"===b.readyState&&c.readyCallback()})),f=c.source||{},f.concatemoji?e(f.concatemoji):f.wpemoji&&f.twemoji&&(e(f.twemoji),e(f.wpemoji)))}(window,document,window._wpemojiSettings);
</script> </script>
<?php <?php
} }

35
wp-includes/js/wp-emoji-loader.js
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@ -26,25 +26,33 @@
context.textBaseline = 'top'; context.textBaseline = 'top';
context.font = '600 32px Arial'; context.font = '600 32px Arial';
if ( type === 'flag' ) { if ( 'flag' === type ) {
/* /*
* This works because the image will be one of three things: * This works because the image will be one of three things:
* - Two empty squares, if the browser doesn't render emoji * - Two empty squares, if the browser doesn't render emoji
* - Two squares with 'G' and 'B' in them, if the browser doesn't render flag emoji * - Two squares with 'A' and 'U' in them, if the browser doesn't render flag emoji
* - The British flag * - The Australian flag
* *
* The first two will encode to small images (1-2KB data URLs), the third will encode * The first two will encode to small images (1-2KB data URLs), the third will encode
* to a larger image (4-5KB data URL). * to a larger image (4-5KB data URL).
*/ */
context.fillText( String.fromCharCode( 55356, 56812, 55356, 56807 ), 0, 0 ); context.fillText( String.fromCharCode( 55356, 56806, 55356, 56826 ), 0, 0 );
return canvas.toDataURL().length > 3000; return canvas.toDataURL().length > 3000;
} else { } else {
/* if ( 'simple' === type ) {
* This creates a smiling emoji, and checks to see if there is any image data in the /*
* center pixel. In browsers that don't support emoji, the character will be rendered * This creates a smiling emoji, and checks to see if there is any image data in the
* as an empty square, so the center pixel will be blank. * center pixel. In browsers that don't support emoji, the character will be rendered
*/ * as an empty square, so the center pixel will be blank.
context.fillText( String.fromCharCode( 55357, 56835 ), 0, 0 ); */
context.fillText( String.fromCharCode( 55357, 56835 ), 0, 0 );
} else {
/*
* To check for Unicode 8 support, let's try rendering the most important advancement
* that the Unicode Consortium have made in years: the burrito.
*/
context.fillText( String.fromCharCode( 55356, 57135 ), 0, 0 );
}
return context.getImageData( 16, 16, 1, 1 ).data[0] !== 0; return context.getImageData( 16, 16, 1, 1 ).data[0] !== 0;
} }
} }
@ -58,8 +66,9 @@
} }
settings.supports = { settings.supports = {
simple: browserSupportsEmoji( 'simple' ), simple: browserSupportsEmoji( 'simple' ),
flag: browserSupportsEmoji( 'flag' ) flag: browserSupportsEmoji( 'flag' ),
unicode8: browserSupportsEmoji( 'unicode8' )
}; };
settings.DOMReady = false; settings.DOMReady = false;
@ -67,7 +76,7 @@
settings.DOMReady = true; settings.DOMReady = true;
}; };
if ( ! settings.supports.simple || ! settings.supports.flag ) { if ( ! settings.supports.simple || ! settings.supports.flag || ! settings.supports.unicode8 ) {
ready = function() { ready = function() {
settings.readyCallback(); settings.readyCallback();
}; };

2
wp-includes/js/wp-emoji-loader.min.js vendored
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@ -1 +1 @@
!function(a,b,c){function d(a){var c=b.createElement("canvas"),d=c.getContext&&c.getContext("2d");return d&&d.fillText?(d.textBaseline="top",d.font="600 32px Arial","flag"===a?(d.fillText(String.fromCharCode(55356,56812,55356,56807),0,0),c.toDataURL().length>3e3):(d.fillText(String.fromCharCode(55357,56835),0,0),0!==d.getImageData(16,16,1,1).data[0])):!1}function e(a){var c=b.createElement("script");c.src=a,c.type="text/javascript",b.getElementsByTagName("head")[0].appendChild(c)}var f,g;c.supports={simple:d("simple"),flag:d("flag")},c.DOMReady=!1,c.readyCallback=function(){c.DOMReady=!0},c.supports.simple&&c.supports.flag||(g=function(){c.readyCallback()},b.addEventListener?(b.addEventListener("DOMContentLoaded",g,!1),a.addEventListener("load",g,!1)):(a.attachEvent("onload",g),b.attachEvent("onreadystatechange",function(){"complete"===b.readyState&&c.readyCallback()})),f=c.source||{},f.concatemoji?e(f.concatemoji):f.wpemoji&&f.twemoji&&(e(f.twemoji),e(f.wpemoji)))}(window,document,window._wpemojiSettings); !function(a,b,c){function d(a){var c=b.createElement("canvas"),d=c.getContext&&c.getContext("2d");return d&&d.fillText?(d.textBaseline="top",d.font="600 32px Arial","flag"===a?(d.fillText(String.fromCharCode(55356,56806,55356,56826),0,0),c.toDataURL().length>3e3):("simple"===a?d.fillText(String.fromCharCode(55357,56835),0,0):d.fillText(String.fromCharCode(55356,57135),0,0),0!==d.getImageData(16,16,1,1).data[0])):!1}function e(a){var c=b.createElement("script");c.src=a,c.type="text/javascript",b.getElementsByTagName("head")[0].appendChild(c)}var f,g;c.supports={simple:d("simple"),flag:d("flag"),unicode8:d("unicode8")},c.DOMReady=!1,c.readyCallback=function(){c.DOMReady=!0},c.supports.simple&&c.supports.flag&&c.supports.unicode8||(g=function(){c.readyCallback()},b.addEventListener?(b.addEventListener("DOMContentLoaded",g,!1),a.addEventListener("load",g,!1)):(a.attachEvent("onload",g),b.attachEvent("onreadystatechange",function(){"complete"===b.readyState&&c.readyCallback()})),f=c.source||{},f.concatemoji?e(f.concatemoji):f.wpemoji&&f.twemoji&&(e(f.twemoji),e(f.wpemoji)))}(window,document,window._wpemojiSettings);

2
wp-includes/js/wp-emoji-release.min.js vendored
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File diff suppressed because one or more lines are too long

4
wp-includes/js/wp-emoji.js
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@ -148,7 +148,7 @@
return false; return false;
} }
if ( ! settings.supports.flag && settings.supports.simple && if ( ! settings.supports.flag && settings.supports.simple && settings.supports.unicode8 &&
! /^1f1(?:e[6-9a-f]|f[0-9a-f])-1f1(?:e[6-9a-f]|f[0-9a-f])$/.test( icon ) ) { ! /^1f1(?:e[6-9a-f]|f[0-9a-f])-1f1(?:e[6-9a-f]|f[0-9a-f])$/.test( icon ) ) {
return false; return false;
@ -171,7 +171,7 @@
* Initialize our emoji support, and set up listeners. * Initialize our emoji support, and set up listeners.
*/ */
if ( settings ) { if ( settings ) {
replaceEmoji = ! settings.supports.simple || ! settings.supports.flag; replaceEmoji = ! settings.supports.simple || ! settings.supports.flag || ! settings.supports.unicode8;
if ( settings.DOMReady ) { if ( settings.DOMReady ) {
load(); load();

2
wp-includes/js/wp-emoji.min.js vendored
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@ -1 +1 @@
!function(a,b){function c(){function c(){if(!j){if("undefined"==typeof a.twemoji){if(k>600)return;return a.clearTimeout(g),g=a.setTimeout(c,50),void k++}f=a.twemoji,j=!0,h&&new h(function(a){for(var b,c,f,g,h=a.length;h--;){if(b=a[h].addedNodes,c=a[h].removedNodes,f=b.length,1===f&&1===c.length&&3===b[0].nodeType&&"IMG"===c[0].nodeName&&b[0].data===c[0].alt)return;for(;f--;)g=b[f],3===g.nodeType&&(g=g.parentNode),!g||1!==g.nodeType||g.className&&"string"==typeof g.className&&-1!==g.className.indexOf("wp-exclude-emoji")||d(g.textContent)&&e(g)}}).observe(document.body,{childList:!0,subtree:!0}),e(document.body)}}function d(a){var b=/[\u203C\u2049\u20E3\u2122\u2139\u2194-\u2199\u21A9\u21AA\u2300\u231A\u231B\u2328\u2388\u23CF\u23E9-\u23F3\u23F8-\u23FA\u24C2\u25AA\u25AB\u25B6\u25C0\u25FB-\u25FE\u2600-\u2604\u260E\u2611\u2614\u2615\u2618\u261D\u2620\u2622\u2623\u2626\u262A\u262E\u262F\u2638\u2639\u263A\u2648-\u2653\u2660\u2663\u2665\u2666\u2668\u267B\u267F\u2692\u2693\u2694\u2696\u2697\u2699\u269B\u269C\u26A0\u26A1\u26AA\u26AB\u26B0\u26B1\u26BD\u26BE\u26C4\u26C5\u26C8\u26CE\u26CF\u26D1\u26D3\u26D4\u26E9\u26EA\u26F0-\u26F5\u26F7-\u26FA\u26FD\u2702\u2705\u2708-\u270D\u270F\u2712\u2714\u2716\u271D\u2721\u2728\u2733\u2734\u2744\u2747\u274C\u274E\u2753\u2754\u2755\u2757\u2763\u2764\u2795\u2796\u2797\u27A1\u27B0\u27BF\u2934\u2935\u2B05\u2B06\u2B07\u2B1B\u2B1C\u2B50\u2B55\u3030\u303D\u3297\u3299]/,c=/[\uDC00-\uDFFF]/;return a?c.test(a)||b.test(a):!1}function e(a,c){var d;return i&&f&&a&&("string"==typeof a||a.childNodes&&a.childNodes.length)?(c=c||{},d={base:b.baseUrl,ext:b.ext,className:c.className||"emoji",callback:function(a,c){switch(a){case"a9":case"ae":case"2122":case"2194":case"2660":case"2663":case"2665":case"2666":return!1}return b.supports.flag||!b.supports.simple||/^1f1(?:e[6-9a-f]|f[0-9a-f])-1f1(?:e[6-9a-f]|f[0-9a-f])$/.test(a)?"".concat(c.base,a,c.ext):!1}},"object"==typeof c.imgAttr&&(d.attributes=function(){return c.imgAttr}),f.parse(a,d)):a}var f,g,h=a.MutationObserver||a.WebKitMutationObserver||a.MozMutationObserver,i=!1,j=!1,k=0;return b&&(i=!b.supports.simple||!b.supports.flag,b.DOMReady?c():b.readyCallback=c),{replaceEmoji:i,parse:e,test:d}}a.wp=a.wp||{},a.wp.emoji=new c}(window,window._wpemojiSettings); !function(a,b){function c(){function c(){if(!j){if("undefined"==typeof a.twemoji){if(k>600)return;return a.clearTimeout(g),g=a.setTimeout(c,50),void k++}f=a.twemoji,j=!0,h&&new h(function(a){for(var b,c,f,g,h=a.length;h--;){if(b=a[h].addedNodes,c=a[h].removedNodes,f=b.length,1===f&&1===c.length&&3===b[0].nodeType&&"IMG"===c[0].nodeName&&b[0].data===c[0].alt)return;for(;f--;)g=b[f],3===g.nodeType&&(g=g.parentNode),!g||1!==g.nodeType||g.className&&"string"==typeof g.className&&-1!==g.className.indexOf("wp-exclude-emoji")||d(g.textContent)&&e(g)}}).observe(document.body,{childList:!0,subtree:!0}),e(document.body)}}function d(a){var b=/[\u203C\u2049\u20E3\u2122\u2139\u2194-\u2199\u21A9\u21AA\u2300\u231A\u231B\u2328\u2388\u23CF\u23E9-\u23F3\u23F8-\u23FA\u24C2\u25AA\u25AB\u25B6\u25C0\u25FB-\u25FE\u2600-\u2604\u260E\u2611\u2614\u2615\u2618\u261D\u2620\u2622\u2623\u2626\u262A\u262E\u262F\u2638\u2639\u263A\u2648-\u2653\u2660\u2663\u2665\u2666\u2668\u267B\u267F\u2692\u2693\u2694\u2696\u2697\u2699\u269B\u269C\u26A0\u26A1\u26AA\u26AB\u26B0\u26B1\u26BD\u26BE\u26C4\u26C5\u26C8\u26CE\u26CF\u26D1\u26D3\u26D4\u26E9\u26EA\u26F0-\u26F5\u26F7-\u26FA\u26FD\u2702\u2705\u2708-\u270D\u270F\u2712\u2714\u2716\u271D\u2721\u2728\u2733\u2734\u2744\u2747\u274C\u274E\u2753\u2754\u2755\u2757\u2763\u2764\u2795\u2796\u2797\u27A1\u27B0\u27BF\u2934\u2935\u2B05\u2B06\u2B07\u2B1B\u2B1C\u2B50\u2B55\u3030\u303D\u3297\u3299]/,c=/[\uDC00-\uDFFF]/;return a?c.test(a)||b.test(a):!1}function e(a,c){var d;return i&&f&&a&&("string"==typeof a||a.childNodes&&a.childNodes.length)?(c=c||{},d={base:b.baseUrl,ext:b.ext,className:c.className||"emoji",callback:function(a,c){switch(a){case"a9":case"ae":case"2122":case"2194":case"2660":case"2663":case"2665":case"2666":return!1}return!b.supports.flag&&b.supports.simple&&b.supports.unicode8&&!/^1f1(?:e[6-9a-f]|f[0-9a-f])-1f1(?:e[6-9a-f]|f[0-9a-f])$/.test(a)?!1:"".concat(c.base,a,c.ext)}},"object"==typeof c.imgAttr&&(d.attributes=function(){return c.imgAttr}),f.parse(a,d)):a}var f,g,h=a.MutationObserver||a.WebKitMutationObserver||a.MozMutationObserver,i=!1,j=!1,k=0;return b&&(i=!b.supports.simple||!b.supports.flag||!b.supports.unicode8,b.DOMReady?c():b.readyCallback=c),{replaceEmoji:i,parse:e,test:d}}a.wp=a.wp||{},a.wp.emoji=new c}(window,window._wpemojiSettings);

2
wp-includes/version.php
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@ -4,7 +4,7 @@
* *
* @global string $wp_version * @global string $wp_version
*/ */
$wp_version = '4.4-beta3-35605'; $wp_version = '4.4-beta3-35606';
/** /**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.