mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-06 10:50:56 +01:00
390 lines
9.8 KiB
PHP
390 lines
9.8 KiB
PHP
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<?php
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/**
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* Custom Colors Class
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*
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* @package WordPress
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* @subpackage Twenty_Twenty_One
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* @since 1.0.0
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*/
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/**
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* This class is in charge of color customization via the Customizer.
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*/
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class Twenty_Twenty_One_Dark_Mode {
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/**
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* Instantiate the object.
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*
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* @access public
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*
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* @since 1.0.0
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*/
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public function __construct() {
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// Enqueue assets for the block-editor.
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add_action( 'enqueue_block_editor_assets', array( $this, 'editor_custom_color_variables' ) );
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// Add styles for dark-mode.
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
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// Add scripts for customizer controls.
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add_action( 'customize_controls_enqueue_scripts', array( $this, 'customize_controls_enqueue_scripts' ) );
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// Add customizer controls.
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add_action( 'customize_register', array( $this, 'customizer_controls' ) );
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// Add HTML classes.
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add_filter( 'twentytwentyone_html_classes', array( $this, 'html_classes' ) );
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// Add classes to <body> in the dashboard.
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add_filter( 'admin_body_class', array( $this, 'admin_body_classes' ) );
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// Add the switch on the frontend & customizer.
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add_action( 'get_template_part_template-parts/header/site-nav', array( $this, 'the_switch' ) );
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// Add the switch in the editor.
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add_action( 'wp_ajax_tt1_dark_mode_editor_switch', array( $this, 'editor_ajax_callback' ) );
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}
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/**
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* Editor custom color variables & scripts.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @return void
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*/
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public function editor_custom_color_variables() {
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if ( ! $this->switch_should_render() ) {
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return;
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}
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$background_color = get_theme_mod( 'background_color', 'D1E4DD' );
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$should_respect_color_scheme = get_theme_mod( 'respect_user_color_preference', false );
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if ( $should_respect_color_scheme && Twenty_Twenty_One_Custom_Colors::get_relative_luminance_from_hex( $background_color ) > 127 ) {
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// Add dark mode variable overrides.
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wp_add_inline_style(
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'twenty-twenty-one-custom-color-overrides',
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'html.is-dark-mode .editor-styles-wrapper { --global--color-background: var(--global--color-dark-gray); --global--color-primary: var(--global--color-light-gray); --global--color-secondary: var(--global--color-light-gray); }'
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);
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}
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wp_enqueue_script(
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'twentytwentyone-dark-mode-support-toggle',
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get_template_directory_uri() . '/assets/js/dark-mode-toggler.js',
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array(),
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'1.0.0',
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true
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);
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wp_enqueue_script(
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'twentytwentyone-editor-dark-mode-support',
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get_template_directory_uri() . '/assets/js/editor-dark-mode-support.js',
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array( 'twentytwentyone-dark-mode-support-toggle' ),
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'1.0.0',
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true
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);
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}
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/**
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* Enqueue scripts and styles.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @return void
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*/
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public function enqueue_scripts() {
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if ( ! $this->switch_should_render() ) {
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return;
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}
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wp_enqueue_style(
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'tt1-dark-mode',
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get_template_directory_uri() . '/assets/css/style-dark-mode.css',
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array( 'twenty-twenty-one-style' ),
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'1.0.0'
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);
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}
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/**
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* Enqueue scripts for the customizer.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @return void
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*/
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public function customize_controls_enqueue_scripts() {
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if ( ! $this->switch_should_render() ) {
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return;
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}
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wp_enqueue_script(
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'twentytwentyone-customize-controls',
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get_template_directory_uri() . '/assets/js/customize.js',
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array( 'customize-base', 'customize-controls', 'underscore', 'jquery', 'twentytwentyone-customize-helpers' ),
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'1.0.0',
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true
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);
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wp_localize_script(
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'twentytwentyone-customize-controls',
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'backgroundColorNotice',
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array(
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'message' => esc_html__( 'Changes will only be visible if Dark Mode is "Off" in the preview', 'twentytwentyone' ),
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)
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);
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}
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/**
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* Register customizer options.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @param WP_Customize_Manager $wp_customize Theme Customizer object.
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*
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* @return void
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*/
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public function customizer_controls( $wp_customize ) {
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$wp_customize->add_setting(
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'respect_user_color_preference',
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array(
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'capability' => 'edit_theme_options',
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'default' => false,
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'sanitize_callback' => function( $value ) {
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return (bool) $value;
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},
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)
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);
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$wp_customize->add_control(
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'respect_user_color_preference',
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array(
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'type' => 'checkbox',
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'section' => 'colors',
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'label' => esc_html__( 'Respect visitor\'s device dark mode settings', 'twentytwentyone' ),
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'description' => __( 'Dark mode is a device setting. If a visitor to your site requests it, your site will be shown with a dark background and light text.', 'twentytwentyone' ),
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'active_callback' => function( $value ) {
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return 127 < Twenty_Twenty_One_Custom_Colors::get_relative_luminance_from_hex( get_theme_mod( 'background_color', 'D1E4DD' ) );
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},
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)
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);
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// Add partial for background_color.
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$wp_customize->selective_refresh->add_partial(
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'background_color',
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array(
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'selector' => '#dark-mode-toggler',
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'container_inclusive' => true,
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'render_callback' => function() {
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$attrs = ( $this->switch_should_render() ) ? array() : array( 'style' => 'display:none;' );
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$this->the_html( $attrs );
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},
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)
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);
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}
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/**
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* Calculate classes for the main <html> element.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @param string $classes The classes for <html> element.
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*
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* @return string
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*/
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public function html_classes( $classes ) {
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if ( ! $this->switch_should_render() ) {
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return $classes;
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}
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$background_color = get_theme_mod( 'background_color', 'D1E4DD' );
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$should_respect_color_scheme = get_theme_mod( 'respect_user_color_preference', false );
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if ( $should_respect_color_scheme && 127 <= Twenty_Twenty_One_Custom_Colors::get_relative_luminance_from_hex( $background_color ) ) {
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return ( $classes ) ? ' respect-color-scheme-preference' : 'respect-color-scheme-preference';
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}
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return $classes;
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}
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/**
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* Adds a class to the <body> element in the editor to accommodate dark-mode.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @param string $classes The admin body-classes.
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*
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* @return string
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*/
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public function admin_body_classes( $classes ) {
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if ( ! $this->switch_should_render() ) {
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return $classes;
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}
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global $current_screen;
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if ( empty( $current_screen ) ) {
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set_current_screen();
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}
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if ( $current_screen->is_block_editor() ) {
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$should_respect_color_scheme = get_theme_mod( 'respect_user_color_preference', false );
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$background_color = get_theme_mod( 'background_color', 'D1E4DD' );
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if ( $should_respect_color_scheme && Twenty_Twenty_One_Custom_Colors::get_relative_luminance_from_hex( $background_color ) > 127 ) {
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$classes .= ' twentytwentyone-supports-dark-theme';
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}
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}
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return $classes;
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}
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/**
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* Determine if we want to print the dark-mode switch or not.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @return bool
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*/
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public function switch_should_render() {
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global $is_IE;
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return (
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get_theme_mod( 'respect_user_color_preference', false ) &&
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! $is_IE &&
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127 <= Twenty_Twenty_One_Custom_Colors::get_relative_luminance_from_hex( get_theme_mod( 'background_color', 'D1E4DD' ) )
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);
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}
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/**
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* Add night/day switch.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @return void
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*/
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public function the_switch() {
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if ( ! $this->switch_should_render() ) {
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return;
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}
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$this->the_html();
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$this->the_script();
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}
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/**
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* Print the dark-mode switch HTML.
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*
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* Inspired from https://codepen.io/aaroniker/pen/KGpXZo (MIT-licensed)
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @param array $attrs The attributes to add to our <button> element.
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*
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* @return void
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*/
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public function the_html( $attrs = array() ) {
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$attrs = wp_parse_args(
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$attrs,
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array(
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'id' => 'dark-mode-toggler',
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'class' => 'fixed-bottom',
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'aria-pressed' => 'false',
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'onClick' => 'toggleDarkMode()',
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)
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);
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echo '<button';
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foreach ( $attrs as $key => $val ) {
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echo ' ' . esc_attr( $key ) . '="' . esc_attr( $val ) . '"';
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}
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echo '>';
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printf(
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/* translators: %s: On/Off */
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esc_html__( 'Dark Mode: %s', 'twentytwentyone' ),
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'<span aria-hidden="true"></span>'
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);
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echo '</button>';
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?>
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<style>
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#dark-mode-toggler > span {
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margin-<?php echo is_rtl() ? 'right' : 'left'; ?>: 5px;
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}
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#dark-mode-toggler > span::before {
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content: '<?php esc_attr_e( 'Off', 'twentytwentyone' ); ?>';
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}
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#dark-mode-toggler[aria-pressed="true"] > span::before {
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content: '<?php esc_attr_e( 'On', 'twentytwentyone' ); ?>';
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}
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<?php if ( is_admin() || wp_is_json_request() ) : ?>
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.components-editor-notices__pinned ~ .edit-post-visual-editor #dark-mode-toggler {
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z-index: 20;
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}
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html.is-dark-mode #dark-mode-toggler:not(:hover):not(:focus) {
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color: var(--global--color-primary);
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}
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@media only screen and (max-width: 782px) {
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#dark-mode-toggler {
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margin-top: 32px;
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}
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}
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<?php endif; ?>
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</style>
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<?php
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}
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/**
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* Print the dark-mode switch script.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @return void
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*/
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public function the_script() {
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echo '<script>';
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include get_template_directory() . '/assets/js/dark-mode-toggler.js'; // phpcs:ignore WPThemeReview.CoreFunctionality.FileInclude
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echo '</script>';
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}
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/**
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* Print the dark-mode switch styles.
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*
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* @access public
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*
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* @since 1.0.0
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*
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* @return void
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*/
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public function the_styles() {
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echo '<style>';
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include get_theme_file_path( 'assets/css/style-dark-mode.css' ); // phpcs:ignore WPThemeReview.CoreFunctionality.FileInclude
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echo '</style>';
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}
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/**
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* Call the tt1_the_dark_mode_switch and exit.
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*
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* @access public
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*
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||
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* @since 1.0.0
|
||
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*
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||
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* @return void
|
||
|
|
*/
|
||
|
|
public function editor_ajax_callback() {
|
||
|
|
$this->the_html();
|
||
|
|
$this->the_styles();
|
||
|
|
wp_die();
|
||
|
|
}
|
||
|
|
}
|