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Emoji: Instead of loading the emoji JS files automatically, we now include a small JS shim in the header, to test if the user's browser needs Twemoji. It then loads the emoji JS files only if they're needed.

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Props pento, azaozz.

Fixes #31701.



git-svn-id: https://develop.svn.wordpress.org/trunk@31875 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Gary Pendergast
2015-03-24 23:32:23 +00:00
parent 8bbb5869e9
commit 5a0564bb8f
7 changed files with 207 additions and 84 deletions
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src/wp-includes/formatting.php
+67 -2
View File
@@ -4082,6 +4082,13 @@ function wp_spaces_regexp() {
* @since 4.2.0
*/
function print_emoji_styles() {
static $printed = false;
if ( $printed ) {
return;
}
$printed = true;
?>
<style type="text/css">
img.wp-smiley,
@@ -4100,6 +4107,64 @@ img.emoji {
<?php
}
function print_emoji_detection_script() {
global $wp_version;
static $printed = false;
if ( $printed ) {
return;
}
$printed = true;
$settings = array(
/**
* Filter the URL where emoji images are hosted.
*
* @since 4.2.0
*
* @param string The emoji base URL.
*/
'baseUrl' => apply_filters( 'emoji_url', set_url_scheme( '//s0.wp.com/wp-content/mu-plugins/emoji/twemoji/72x72' ) ),
/**
* Filter the extension of the emoji files.
*
* @since 4.2.0
*
* @param string The emoji extension. Default .png.
*/
'ext' => apply_filters( 'emoji_ext', '.png' ),
);
$version = 'ver=' . $wp_version;
if ( SCRIPT_DEBUG ) {
$settings['source'] = array(
'wpemoji' => includes_url( "js/wp-emoji.js?$version" ),
'twemoji' => includes_url( "js/twemoji.js?$version" ),
);
?>
<script type="text/javascript">
window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>;
<?php readfile( ABSPATH . WPINC . "/js/wp-emoji-loader.js" ); ?>
</script>
<?php
} else {
$settings['source'] = array(
'concatemoji' => includes_url( "js/wp-emoji-release.min.js?$version" ),
);
?>
<script type="text/javascript">
window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>;
include "js/wp-emoji-loader.min.js"
</script>
<?php
}
}
/**
* Convert any 4 byte emoji in a string to their equivalent HTML entity.
*
@@ -4163,10 +4228,10 @@ function wp_staticize_emoji( $text ) {
return $text;
}
/** This filter is documented in wp-includes/script-loader.php */
/** This filter is documented in wp-includes/formatting.php */
$cdn_url = apply_filters( 'emoji_url', set_url_scheme( '//s0.wp.com/wp-content/mu-plugins/emoji/twemoji/72x72/' ) );
/** This filter is documented in wp-includes/script-loader.php */
/** This filter is documented in wp-includes/formatting.php */
$ext = apply_filters( 'emoji_ext', '.png' );
$output = '';