235 lines
6.2 KiB
PHP
235 lines
6.2 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/site-logo` block.
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*
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* @package WordPress
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*/
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/**
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* Renders the `core/site-logo` block on the server.
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*
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* @since 5.8.0
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*
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* @param array $attributes The block attributes.
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*
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* @return string The render.
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*/
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function render_block_core_site_logo( $attributes ) {
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$adjust_width_height_filter = static function ( $image ) use ( $attributes ) {
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if ( empty( $attributes['width'] ) || empty( $image ) || ! $image[1] || ! $image[2] ) {
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return $image;
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}
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$height = (float) $attributes['width'] / ( (float) $image[1] / (float) $image[2] );
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return array( $image[0], (int) $attributes['width'], (int) $height );
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};
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add_filter( 'wp_get_attachment_image_src', $adjust_width_height_filter );
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$custom_logo = get_custom_logo();
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remove_filter( 'wp_get_attachment_image_src', $adjust_width_height_filter );
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if ( empty( $custom_logo ) ) {
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return ''; // Return early if no custom logo is set, avoiding extraneous wrapper div.
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}
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if ( ! $attributes['isLink'] ) {
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// Remove the link.
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$custom_logo = preg_replace( '#<a.*?>(.*?)</a>#i', '\1', $custom_logo );
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}
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if ( $attributes['isLink'] && '_blank' === $attributes['linkTarget'] ) {
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// Add the link target after the rel="home".
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// Add an aria-label for informing that the page opens in a new tab.
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$processor = new WP_HTML_Tag_Processor( $custom_logo );
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$processor->next_tag( 'a' );
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if ( 'home' === $processor->get_attribute( 'rel' ) ) {
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$processor->set_attribute( 'aria-label', __( '(Home link, opens in a new tab)' ) );
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$processor->set_attribute( 'target', $attributes['linkTarget'] );
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}
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$custom_logo = $processor->get_updated_html();
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}
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$classnames = array();
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if ( empty( $attributes['width'] ) ) {
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$classnames[] = 'is-default-size';
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}
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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classnames ) ) );
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$html = sprintf( '<div %s>%s</div>', $wrapper_attributes, $custom_logo );
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return $html;
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}
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/**
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* Register a core site setting for a site logo
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*
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* @since 5.8.0
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*/
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function register_block_core_site_logo_setting() {
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register_setting(
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'general',
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'site_logo',
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array(
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'show_in_rest' => array(
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'name' => 'site_logo',
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),
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'type' => 'integer',
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'label' => __( 'Logo' ),
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'description' => __( 'Site logo.' ),
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)
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);
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}
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add_action( 'rest_api_init', 'register_block_core_site_logo_setting', 10 );
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/**
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* Register a core site setting for a site icon
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*
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* @since 5.9.0
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*/
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function register_block_core_site_icon_setting() {
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register_setting(
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'general',
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'site_icon',
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array(
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'show_in_rest' => true,
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'type' => 'integer',
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'label' => __( 'Icon' ),
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'description' => __( 'Site icon.' ),
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)
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);
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}
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add_action( 'rest_api_init', 'register_block_core_site_icon_setting', 10 );
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/**
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* Registers the `core/site-logo` block on the server.
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*
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* @since 5.8.0
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*/
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function register_block_core_site_logo() {
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register_block_type_from_metadata(
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__DIR__ . '/site-logo',
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array(
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'render_callback' => 'render_block_core_site_logo',
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)
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);
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}
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add_action( 'init', 'register_block_core_site_logo' );
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/**
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* Overrides the custom logo with a site logo, if the option is set.
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*
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* @since 5.8.0
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*
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* @param string $custom_logo The custom logo set by a theme.
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*
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* @return string The site logo if set.
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*/
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function _override_custom_logo_theme_mod( $custom_logo ) {
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$site_logo = get_option( 'site_logo' );
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return false === $site_logo ? $custom_logo : $site_logo;
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}
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add_filter( 'theme_mod_custom_logo', '_override_custom_logo_theme_mod' );
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/**
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* Updates the site_logo option when the custom_logo theme-mod gets updated.
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*
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* @since 5.8.0
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*
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* @param mixed $value Attachment ID of the custom logo or an empty value.
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* @return mixed
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*/
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function _sync_custom_logo_to_site_logo( $value ) {
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if ( empty( $value ) ) {
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delete_option( 'site_logo' );
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} else {
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update_option( 'site_logo', $value );
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}
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return $value;
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}
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add_filter( 'pre_set_theme_mod_custom_logo', '_sync_custom_logo_to_site_logo' );
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/**
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* Deletes the site_logo when the custom_logo theme mod is removed.
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*
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* @since 5.8.0
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*
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* @global array $_ignore_site_logo_changes
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*
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* @param array $old_value Previous theme mod settings.
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* @param array $value Updated theme mod settings.
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*/
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function _delete_site_logo_on_remove_custom_logo( $old_value, $value ) {
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global $_ignore_site_logo_changes;
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if ( $_ignore_site_logo_changes ) {
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return;
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}
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// If the custom_logo is being unset, it's being removed from theme mods.
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if ( isset( $old_value['custom_logo'] ) && ! isset( $value['custom_logo'] ) ) {
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delete_option( 'site_logo' );
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}
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}
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/**
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* Deletes the site logo when all theme mods are being removed.
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*
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* @since 5.8.0
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*
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* @global array $_ignore_site_logo_changes
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*/
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function _delete_site_logo_on_remove_theme_mods() {
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global $_ignore_site_logo_changes;
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if ( $_ignore_site_logo_changes ) {
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return;
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}
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if ( false !== get_theme_support( 'custom-logo' ) ) {
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delete_option( 'site_logo' );
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}
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}
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/**
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* Hooks `_delete_site_logo_on_remove_custom_logo` in `update_option_theme_mods_$theme`.
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* Hooks `_delete_site_logo_on_remove_theme_mods` in `delete_option_theme_mods_$theme`.
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*
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* Runs on `setup_theme` to account for dynamically-switched themes in the Customizer.
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*
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* @since 5.8.0
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*/
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function _delete_site_logo_on_remove_custom_logo_on_setup_theme() {
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$theme = get_option( 'stylesheet' );
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add_action( "update_option_theme_mods_$theme", '_delete_site_logo_on_remove_custom_logo', 10, 2 );
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add_action( "delete_option_theme_mods_$theme", '_delete_site_logo_on_remove_theme_mods' );
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}
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add_action( 'setup_theme', '_delete_site_logo_on_remove_custom_logo_on_setup_theme', 11 );
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/**
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* Removes the custom_logo theme-mod when the site_logo option gets deleted.
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*
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* @since 5.9.0
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*
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* @global array $_ignore_site_logo_changes
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*/
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function _delete_custom_logo_on_remove_site_logo() {
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global $_ignore_site_logo_changes;
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// Prevent _delete_site_logo_on_remove_custom_logo and
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// _delete_site_logo_on_remove_theme_mods from firing and causing an
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// infinite loop.
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$_ignore_site_logo_changes = true;
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// Remove the custom logo.
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remove_theme_mod( 'custom_logo' );
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$_ignore_site_logo_changes = false;
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}
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add_action( 'delete_option_site_logo', '_delete_custom_logo_on_remove_site_logo' );
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