admin-dark-mode/admin-dark-mode.php at main · coded-letter/admin-dark-mode · GitHub

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<?php
/**
 * Plugin Name: Admin Dark Mode
 * Plugin URI: https://github.com/coded-letter/admin-dark-mode
 * Description: Adds a minimal dark mode switch to the WordPress admin bar and block editor.
 * Tested up to: 7.0
 * Version: 1.8.10
 * Requires at least: 6.0
 * Requires PHP: 7.4
 * Author: Coded Letter
 * Author URI: https://codedletter.com/
 * License: GPL-2.0-or-later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: admin-dark-mode
 * Update URI: https://github.com/coded-letter/admin-dark-mode
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

define( 'ADM_DARK_MODE_VERSION', '1.8.10' );

require_once plugin_dir_path( __FILE__ ) . 'includes/superfunky-update-client.php';
Superfunky_Update_Client::register_product(
	array(
		'access'       => 'public',
		'file'         => __FILE__,
		'name'         => 'Admin Dark Mode',
		'product_id'   => 'admin-dark-mode',
		'requires_php' => '7.4',
		'slug'         => 'admin-dark-mode',
		'type'         => 'plugin',
		'url'          => 'https://github.com/coded-letter/admin-dark-mode',
		'version'      => ADM_DARK_MODE_VERSION,
	)
);

/**
 * Adds the dark mode switch to the right end of the admin bar.
 *
 * @param WP_Admin_Bar $wp_admin_bar WordPress admin bar instance.
 */
function adm_add_admin_bar_toggle( $wp_admin_bar ) {
	if ( ! is_admin() ) {
		return;
	}

	$wp_admin_bar->add_node(
		array(
			'id'     => 'adm-dark-mode-toggle',
			'parent' => 'top-secondary',
			'title'  => '<span class="adm-dark-mode-icon" aria-hidden="true"></span><span class="screen-reader-text">' . esc_html__( 'Switch to dark mode', 'admin-dark-mode' ) . '</span>',
			'href'   => '#',
			'meta'   => array(
				'class'      => 'adm-dark-mode-toggle',
				'title'      => esc_attr__( 'Switch to dark mode', 'admin-dark-mode' ),
				'aria-label' => esc_attr__( 'Switch to dark mode', 'admin-dark-mode' ),
			),
		)
	);
}
add_action( 'admin_bar_menu', 'adm_add_admin_bar_toggle', 9999 );

/**
 * Loads dark mode assets throughout the WordPress admin.
 */
function adm_enqueue_admin_assets() {
	$asset_url  = plugin_dir_url( __FILE__ ) . 'assets/';
	$asset_path = plugin_dir_path( __FILE__ ) . 'assets/';

	wp_enqueue_style(
		'admin-dark-mode',
		$asset_url . 'admin-dark-mode.css',
		array(),
		(string) filemtime( $asset_path . 'admin-dark-mode.css' )
	);

	wp_enqueue_script(
		'admin-dark-mode',
		$asset_url . 'admin-dark-mode.js',
		array(),
		(string) filemtime( $asset_path . 'admin-dark-mode.js' ),
		false
	);

	wp_localize_script(
		'admin-dark-mode',
		'adminDarkMode',
		array(
			'darkLabel'  => __( 'Switch to dark mode', 'admin-dark-mode' ),
			'lightLabel' => __( 'Switch to light mode', 'admin-dark-mode' ),
		)
	);
}
add_action( 'admin_enqueue_scripts', 'adm_enqueue_admin_assets' );