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<?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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/** |
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* Renders the `core/site-logo` block on the server. |
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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 gutenberg_render_block_core_site_logo( $attributes ) { |
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$adjust_width_height_filter = 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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|
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add_filter( 'wp_get_attachment_image_src', $adjust_width_height_filter ); |
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|
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$custom_logo = get_custom_logo(); |
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|
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remove_filter( 'wp_get_attachment_image_src', $adjust_width_height_filter ); |
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|
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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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|
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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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|
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if ( $attributes['isLink'] && '_blank' === $attributes['linkTarget'] ) { |
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// Add the link target after the rel="home". |
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// Add an aria-label for informing that the page opens in a new tab. |
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$aria_label = 'aria-label="' . esc_attr__( '(Home link, opens in a new tab)' ) . '"'; |
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$custom_logo = str_replace( 'rel="home"', 'rel="home" target="' . esc_attr( $attributes['linkTarget'] ) . '"' . $aria_label, $custom_logo ); |
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} |
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|
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$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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|
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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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/** |
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* Register a core site setting for a site logo |
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*/ |
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function gutenberg_gutenberg_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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'description' => __( 'Site logo.' ), |
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) |
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); |
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} |
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|
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add_action( 'rest_api_init', 'gutenberg_gutenberg_register_block_core_site_logo_setting', 10 ); |
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|
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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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function gutenberg_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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'description' => __( 'Site icon.' ), |
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) |
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); |
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} |
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|
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add_action( 'rest_api_init', 'gutenberg_register_block_core_site_icon_setting', 10 ); |
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|
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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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function gutenberg_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' => 'gutenberg_render_block_core_site_logo', |
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) |
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); |
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} |
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|
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add_action( 'init', 'gutenberg_register_block_core_site_logo', 20 ); |
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|
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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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* @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 gutenberg__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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|
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add_filter( 'theme_mod_custom_logo', 'gutenberg__override_custom_logo_theme_mod' ); |
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|
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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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* @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 gutenberg__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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|
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return $value; |
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} |
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|
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add_filter( 'pre_set_theme_mod_custom_logo', 'gutenberg__sync_custom_logo_to_site_logo' ); |
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|
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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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* @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 gutenberg__delete_site_logo_on_remove_custom_logo( $old_value, $value ) { |
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global $_ignore_site_logo_changes; |
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|
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if ( $_ignore_site_logo_changes ) { |
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return; |
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} |
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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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/** |
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* Deletes the site logo when all theme mods are being removed. |
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*/ |
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function gutenberg__delete_site_logo_on_remove_theme_mods() { |
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global $_ignore_site_logo_changes; |
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|
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if ( $_ignore_site_logo_changes ) { |
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return; |
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} |
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|
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if ( false !== get_theme_support( 'custom-logo' ) ) { |
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delete_option( 'site_logo' ); |
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} |
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} |
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|
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/** |
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* Hooks `gutenberg__delete_site_logo_on_remove_custom_logo` in `update_option_theme_mods_$theme`. |
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* Hooks `gutenberg__delete_site_logo_on_remove_theme_mods` in `delete_option_theme_mods_$theme`. |
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* |
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* Runs on `setup_theme` to account for dynamically-switched themes in the Customizer. |
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*/ |
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function gutenberg_gutenberg__delete_site_logo_on_remove_custom_logo_on_setup_theme() { |
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$theme = get_option( 'stylesheet' ); |
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add_action( "update_option_theme_mods_$theme", 'gutenberg__delete_site_logo_on_remove_custom_logo', 10, 2 ); |
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add_action( "delete_option_theme_mods_$theme", 'gutenberg__delete_site_logo_on_remove_theme_mods' ); |
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} |
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add_action( 'setup_theme', 'gutenberg_gutenberg__delete_site_logo_on_remove_custom_logo_on_setup_theme', 11 ); |
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|
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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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function gutenberg__delete_custom_logo_on_remove_site_logo() { |
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global $_ignore_site_logo_changes; |
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|
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// Prevent gutenberg__delete_site_logo_on_remove_custom_logo and |
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// gutenberg__delete_site_logo_on_remove_theme_mods from firing and causing an |
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// infinite loop. |
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$_ignore_site_logo_changes = true; |
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|
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// Remove the custom logo. |
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remove_theme_mod( 'custom_logo' ); |
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|
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$_ignore_site_logo_changes = false; |
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} |
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add_action( 'delete_option_site_logo', 'gutenberg__delete_custom_logo_on_remove_site_logo' ); |
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|
