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0f9f8418f8
Custom image sizes for logos should only be used for their intended purpose. See #33755. Built from https://develop.svn.wordpress.org/trunk@36839 git-svn-id: http://core.svn.wordpress.org/trunk@36806 1a063a9b-81f0-0310-95a4-ce76da25c4cd
110 lines
2.5 KiB
PHP
110 lines
2.5 KiB
PHP
<?php
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/**
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* Administration API: WP_Custom_Logo class
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*
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* @package WordPress
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* @subpackage Administration
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* @since 4.5.0
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*/
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/**
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* Core class used to implement custom logo functionality.
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*
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* @since 4.5.0
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*/
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class WP_Custom_Logo {
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/**
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* Get current logo settings stored in theme mod.
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*
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* @since 4.5.0
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* @access public
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*/
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public function __construct() {
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add_action( 'wp_head', array( $this, 'head_text_styles' ) );
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add_action( 'delete_attachment', array( $this, 'delete_attachment_data' ) );
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}
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/**
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* Hides header text on the front end if necessary.
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*
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* @since 4.5.0
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* @access public
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*/
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public function head_text_styles() {
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// Bail if our theme supports custom headers.
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if ( current_theme_supports( 'custom-header' ) || get_theme_mod( 'custom_logo_header_text', true ) ) {
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return;
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}
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// Is Display Header Text unchecked? If so, hide the header text.
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?>
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<!-- Custom Logo: hide header text -->
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<style type="text/css">
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<?php echo sanitize_html_class( $this->header_text_classes() ); ?> {
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position: absolute;
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clip: rect(1px, 1px, 1px, 1px);
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}
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</style>
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<?php
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}
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/**
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* Reset the custom logo if the current logo is deleted in the media manager.
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*
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* @since 4.5.0
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* @access public
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*
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* @param int $post_id Post ID.
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*/
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public function delete_attachment_data( $post_id ) {
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$custom_logo_id = get_theme_mod( 'custom_logo' );
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if ( $custom_logo_id && $custom_logo_id == $post_id ) {
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remove_theme_mod( 'custom_logo' );
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}
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}
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/**
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* Retrieves the header text classes.
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*
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* If not defined in add_theme_support(), defaults from Underscores will be used.
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*
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* @since 4.5.0
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* @access protected
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*
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* @return string String of classes to hide.
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*/
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protected function header_text_classes() {
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$args = get_theme_support( 'custom-logo' );
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if ( isset( $args[0]['header-text'] ) ) {
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// Use any classes defined in add_theme_support().
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$classes = $args[0]['header-text'];
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} else {
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// Otherwise, use these defaults, which will work with any Underscores-based theme.
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$classes = array(
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'site-title',
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'site-description',
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);
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}
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// If there's an array of classes, reduce them to a string for output.
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if ( is_array( $classes ) ) {
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$classes = array_map( 'sanitize_html_class', $classes );
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$classes = (string) '.' . implode( ', .', $classes );
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} else {
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$classes = (string) '.' . $classes;
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}
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return $classes;
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}
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}
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/**
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* WP_Custom_Logo instance.
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*
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* @global WP_Custom_Logo $wp_custom_logo
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*/
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$GLOBALS['wp_custom_logo'] = new WP_Custom_Logo;
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