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<?php |
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|
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namespace ThemeAtelier\Darkify\Frontend; |
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|
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use ThemeAtelier\Darkify\Includes\DarkifyExternalSupport; |
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use ThemeAtelier\Darkify\Includes\DarkifyUtils; |
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|
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if (!defined('ABSPATH')) { |
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die; |
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} // Cannot access directly. |
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|
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/** |
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* The public-facing functionality of the plugin. |
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* |
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* @link https://themeatelier.net |
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* @since 1.0.0 |
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* |
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* @package Darkify |
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* @subpackage Darkify/public |
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*/ |
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|
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/** |
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* The public-facing functionality of the plugin. |
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* |
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* Defines the plugin name, version, and two examples hooks for how to |
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* enqueue the public-facing stylesheet and JavaScript. |
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* |
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* @package Darkify |
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* @subpackage Darkify/public |
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* @author ThemeAtelier <themeatelierbd@gmail.com> |
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*/ |
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class Frontend |
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{ |
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|
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/** |
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* The ID of this plugin. |
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* |
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* @since 1.0.0 |
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* @access private |
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* @var string $plugin_name The ID of this plugin. |
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*/ |
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private $plugin_name; |
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|
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/** |
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* The version of this plugin. |
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* |
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* @since 1.0.0 |
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* @access private |
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* @var string $version The current version of this plugin. |
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*/ |
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private $version; |
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|
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public $utils; |
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public $settings; |
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public $external_support; |
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public $unique_id; |
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|
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/** |
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* Initialize the class and set its properties. |
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* |
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* @since 1.0.0 |
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* @param string $plugin_name The name of the plugin. |
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* @param string $version The version of this plugin. |
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*/ |
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public function __construct($plugin_name, $version) |
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{ |
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$this->plugin_name = $plugin_name; |
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$this->version = $version; |
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|
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$this->utils = new DarkifyUtils($this); |
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$this->external_support = new DarkifyExternalSupport($this); |
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|
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new DarkifyShortcode($this); |
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|
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if (function_exists('wp_rand')) { |
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$this->unique_id = wp_rand(); |
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} |
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|
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$options = get_option('darkify'); |
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$show_in_menu = isset($options['show_in_menu']) ? $options['show_in_menu'] : ""; |
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$enable_switcher_in_menu = isset($show_in_menu["enable_switch_in_menu"]) ? $show_in_menu["enable_switch_in_menu"] : false; |
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|
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if ($enable_switcher_in_menu) { |
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add_filter('wp_nav_menu_items', array($this, 'darkify_switch_in_menu'), 10, 2); |
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} |
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|
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add_action('wp_enqueue_scripts', array($this, 'darkify_client_enqueue'), 100); |
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add_action('login_enqueue_scripts', array($this, 'darkify_client_enqueue')); |
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add_action('register_enqueue_scripts', array($this, 'darkify_client_enqueue')); |
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add_action('wp_head', array($this, 'darkify_client_header_script'), 1); |
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add_action('login_head', array($this, 'darkify_client_header_script'), 1); |
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add_action('register_head', array($this, 'darkify_client_header_script'), 1); |
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add_action('wp_footer', array($this, 'darkify_client_footer_script')); |
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add_action('login_footer', array($this, 'darkify_client_footer_script')); |
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add_action('register_footer', array($this, 'darkify_client_footer_script')); |
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|
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add_action('init', array($this, 'darkify_register_switcher_styles'), 5); |
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add_filter('autoptimize_filter_js_exclude', array($this, 'darkify_exclude_js_from_cache_plugins')); |
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} |
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|
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public function darkify_exclude_js_from_cache_plugins($excludes) |
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{ |
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$excludes .= ',client_main.js,client_main.min.js'; |
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return $excludes; |
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} |
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|
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public function darkify_register_switcher_styles() |
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{ |
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$min = (apply_filters('darkify_dev_mode', false) || WP_DEBUG) ? '' : '.min'; |
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wp_register_style('darkify-client-main', DARKIFY_DIR_URL . 'src/assets/css/client_main' . $min . '.css', array(), DARKIFY_VERSION); |
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wp_register_style('theme-classic', DARKIFY_DIR_URL . 'src/assets/css/switcher/classic' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
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wp_register_style('theme-expand', DARKIFY_DIR_URL . 'src/assets/css/switcher/expand' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
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wp_register_style('theme-inner-moon', DARKIFY_DIR_URL . 'src/assets/css/switcher/inner-moon' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
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wp_register_style('theme-within', DARKIFY_DIR_URL . 'src/assets/css/switcher/within' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
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wp_register_style('theme-orbit', DARKIFY_DIR_URL . 'src/assets/css/switcher/orbit' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
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} |
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|
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function darkify_client_enqueue() |
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{ |
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if ($this->darkify_is_dark_mode_allowed()) { |
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$options = get_option('darkify'); |
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$min = (apply_filters('darkify_dev_mode', false) || WP_DEBUG) ? '' : '.min'; |
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|
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wp_enqueue_style('darkify-client-main', DARKIFY_DIR_URL . 'src/assets/css/client_main' . $min . '.css', array(), DARKIFY_VERSION); |
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wp_enqueue_script('darkify-client-main', DARKIFY_DIR_URL . 'src/assets/js/client_main' . $min . '.js', array('jquery'), DARKIFY_VERSION); |
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|
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// When "Frontend Iframe Dark Mode" is OFF, use a two-stage inline script |
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// strategy that covers all scenarios — source JS, minified JS, |
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// cross-origin iframes, and same-origin WP pages embedded as iframes. |
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// |
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// ROOT CAUSE: a same-origin WP page loaded inside an <iframe> has its |
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// OWN copy of client_main[.min].js running. That copy calls |
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// darkify_check_preloading() → localStorage.darkify_last_state="1" → |
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// adds darkify_dark_mode_enabled to the iframe's <html> → goes dark. |
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// The parent's darkify_process_iframes guard is irrelevant here. |
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// |
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// Stage 1 — 'before' (runs BEFORE client_main[.min].js on EVERY page): |
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// If this page is rendering inside a frontend iframe, intercept the |
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// localStorage.darkify_last_state property via Object.defineProperty so |
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// that darkify_check_preloading() always reads "0" and returns false. |
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// This prevents the iframe page's own Darkify from initialising dark |
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// mode at all — works with both source and minified JS because |
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// darkify_check_preloading() always reads the property directly. |
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// The source JS also has a _dkf_iframe_disabled guard for belt-and- |
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// suspenders coverage. |
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// |
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// Stage 2 — 'after' (runs AFTER client_main[.min].js on EVERY page): |
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// • Cleans up the localStorage property intercept from Stage 1. |
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// • Overrides the five injection helpers so the PARENT page's |
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// darkify_apply_dark_to_iframe() applyDirect() closures (which look |
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// up these functions by name in the global scope at call time) become |
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// no-ops for cross-origin and not-yet-loaded iframes. |
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$enable_frontend_iframe = isset($options['enable_frontend_iframe_dark_mode']) ? $options['enable_frontend_iframe_dark_mode'] : true; |
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if (!$enable_frontend_iframe) { |
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|
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// Stage 1 — intercept localStorage.darkify_last_state BEFORE client_main. |
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wp_add_inline_script( |
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'darkify-client-main', |
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'(function(){' . |
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// Only apply when this window is a child frame, the setting |
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// exists and is OFF, and it is not the admin panel context. |
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'if(window===window.top)return;' . |
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'if(typeof darkify_enable_frontend_iframe_dark_mode==="undefined"' . |
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'||darkify_enable_frontend_iframe_dark_mode==="1")return;' . |
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'if(typeof darkify_is_this_admin_panel!=="undefined"' . |
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'&&darkify_is_this_admin_panel==="1")return;' . |
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// Define an own property on localStorage that intercepts reads |
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// of darkify_last_state. darkify_check_preloading() uses |
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// localStorage.darkify_last_state (property access, not getItem), |
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// so this getter is hit every time the function runs. |
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// Returning "0" makes the function take the "was explicitly set |
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// to 0 → not preloaded" branch and return false. |
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// The setter is silently ignored so state writes in the iframe |
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// don't pollute the shared localStorage for other tabs/pages. |
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'try{' . |
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'Object.defineProperty(localStorage,"darkify_last_state",{' . |
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'get:function(){return"0";},set:function(){},configurable:true' . |
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'});' . |
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'}catch(e){' . |
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// Fallback for environments where Object.defineProperty on |
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// Storage objects is not supported: temporarily set the value. |
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'try{window._dkf_ls_bk=localStorage.darkify_last_state;' . |
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'localStorage.darkify_last_state="0";}catch(e2){}' . |
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'}' . |
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'})();', |
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'before' |
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); |
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|
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// Stage 2 — cleanup + injection helper overrides AFTER client_main. |
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wp_add_inline_script( |
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'darkify-client-main', |
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'(function(){' . |
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// Remove the own-property intercept so subsequent reads of |
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// localStorage.darkify_last_state return the real stored value. |
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// "delete" removes the own property, restoring prototype lookup. |
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'if(window!==window.top){' . |
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'try{delete localStorage.darkify_last_state;}catch(e){' . |
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// Fallback: restore saved value |
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'try{if(typeof window._dkf_ls_bk!=="undefined"){' . |
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'if(window._dkf_ls_bk)localStorage.darkify_last_state=window._dkf_ls_bk;' . |
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'else localStorage.removeItem("darkify_last_state");' . |
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'}delete window._dkf_ls_bk;}catch(e2){}' . |
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'}' . |
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'}' . |
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// Override injection helpers so the PARENT page's applyDirect() |
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// closures (which already hold references to these global |
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// functions) become no-ops for frontend iframes. |
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'function _dkfAdmin(){' . |
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'return typeof darkify_is_this_admin_panel!=="undefined"&&darkify_is_this_admin_panel==="1";' . |
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'}' . |
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'if(typeof darkify_process_iframes==="function"){' . |
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'var _op=darkify_process_iframes;' . |
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'darkify_process_iframes=function(){if(_dkfAdmin())return _op();};' . |
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'}' . |
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'if(typeof darkify_inject_css_into_iframe==="function"){' . |
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'var _oi=darkify_inject_css_into_iframe;' . |
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'darkify_inject_css_into_iframe=function(d){if(_dkfAdmin())return _oi(d);};' . |
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'}' . |
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'if(typeof darkify_sync_iframe_vars==="function"){' . |
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'var _ov=darkify_sync_iframe_vars;' . |
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'darkify_sync_iframe_vars=function(d){if(_dkfAdmin())return _ov(d);};' . |
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'}' . |
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'if(typeof darkify_run_engine_on_iframe==="function"){' . |
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'var _oe=darkify_run_engine_on_iframe;' . |
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'darkify_run_engine_on_iframe=function(d){if(_dkfAdmin())return _oe(d);};' . |
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'}' . |
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'if(typeof darkify_inject_block_editor_css_into_iframe==="function"){' . |
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'var _ob=darkify_inject_block_editor_css_into_iframe;' . |
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'darkify_inject_block_editor_css_into_iframe=function(d){if(_dkfAdmin())return _ob(d);};' . |
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'}' . |
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'})();', |
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'after' |
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); |
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} |
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|
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// Enqueue the global floating switcher style from settings |
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$enable_dark_mode_switch = isset($options['enable_dark_mode_switch']) ? $options['enable_dark_mode_switch'] : true; |
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if ($enable_dark_mode_switch) { |
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$global_variant = isset($options['enable_dark_switcher']) ? $options['enable_dark_switcher'] : 'classic'; |
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wp_enqueue_style('theme-' . $global_variant); |
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} |
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|
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// Detect [darkify] shortcode usage in current post and enqueue its variant |
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$post = get_post(); |
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if ($post && !empty($post->post_content)) { |
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if (has_shortcode($post->post_content, 'darkify')) { |
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preg_match_all('/\[darkify\b[^\]]*\bswitch=["\']([^"\']+)["\'][^\]]*\]/i', $post->post_content, $matches); |
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$used_switches = !empty($matches[1]) ? $matches[1] : []; |
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foreach ($used_switches as $switch_val) { |
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wp_enqueue_style('theme-' . $this->darkify_switch_to_variant($switch_val)); |
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} |
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// Shortcode without switch= attribute defaults to classic |
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preg_match_all('/\[darkify\b/i', $post->post_content, $all_sc); |
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if (count($all_sc[0]) > count($used_switches)) { |
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wp_enqueue_style('theme-classic'); |
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} |
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} |
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|
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// Detect darkify/switcher Gutenberg block usage and enqueue its variant |
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if (function_exists('has_block') && has_block('darkify/switcher', $post)) { |
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foreach ($this->darkify_get_block_variants($post->post_content) as $variant) { |
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wp_enqueue_style('theme-' . $variant); |
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} |
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} |
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} |
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|
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// Detect switcher used in nav menus and enqueue its variant |
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$show_in_menu = isset($options['show_in_menu']) ? $options['show_in_menu'] : []; |
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$enable_in_menu = isset($show_in_menu['enable_switch_in_menu']) ? $show_in_menu['enable_switch_in_menu'] : false; |
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if ($enable_in_menu) { |
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$select_menus = isset($show_in_menu['select_menus']) ? $show_in_menu['select_menus'] : []; |
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foreach ($select_menus as $select_menu) { |
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$shortcode = $select_menu['darkify_menu_shortcode_helper'] ?? ''; |
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if ($shortcode) { |
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preg_match('/\bswitch=["\']([^"\']+)["\']/', $shortcode, $m); |
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$switch_val = $m[1] ?? '1'; |
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wp_enqueue_style('theme-' . $this->darkify_switch_to_variant($switch_val)); |
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} |
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} |
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} |
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} |
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} |
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|
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private function darkify_switch_to_variant($switch_value) |
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{ |
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$map = [ |
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'1' => 'classic', '2' => 'expand', '3' => 'inner-moon', |
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'4' => 'within', '5' => 'orbit', |
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]; |
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if (is_numeric($switch_value)) { |
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return $map[(string) $switch_value] ?? 'classic'; |
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} |
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return $switch_value ?: 'classic'; |
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} |
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|
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private function darkify_get_block_variants($content) |
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{ |
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$variants = []; |
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$this->darkify_collect_block_variants(parse_blocks($content), $variants); |
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return array_unique($variants); |
| 301 |
} |
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|
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private function darkify_collect_block_variants($blocks, &$variants) |
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{ |
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foreach ($blocks as $block) { |
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if ('darkify/switcher' === $block['blockName']) { |
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$variants[] = $block['attrs']['style'] ?? 'classic'; |
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} |
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if (!empty($block['innerBlocks'])) { |
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$this->darkify_collect_block_variants($block['innerBlocks'], $variants); |
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} |
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} |
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|
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$options = get_option('darkify'); |
| 315 |
$min = (apply_filters('darkify_dev_mode', false) || WP_DEBUG) ? '' : '.min'; |
| 316 |
|
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// Always register all variant styles so page builders (Elementor, etc.) can reference them. |
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wp_register_style('darkify-client-main', DARKIFY_DIR_URL . 'src/assets/css/client_main' . $min . '.css', array(), DARKIFY_VERSION); |
| 319 |
wp_register_style('theme-classic', DARKIFY_DIR_URL . 'src/assets/css/switcher/classic' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
| 320 |
wp_register_style('theme-expand', DARKIFY_DIR_URL . 'src/assets/css/switcher/expand' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
| 321 |
wp_register_style('theme-inner-moon', DARKIFY_DIR_URL . 'src/assets/css/switcher/inner-moon' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
| 322 |
wp_register_style('theme-orbit', DARKIFY_DIR_URL . 'src/assets/css/switcher/orbit' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
| 323 |
wp_register_style('theme-within', DARKIFY_DIR_URL . 'src/assets/css/switcher/within' . $min . '.css', array('darkify-client-main'), DARKIFY_VERSION, 'all'); |
| 324 |
|
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// Determine which variants are actually needed on this page. |
| 326 |
$variants = $this->darkify_collect_page_variants($options); |
| 327 |
|
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if (empty($variants)) { |
| 329 |
return; |
| 330 |
} |
| 331 |
|
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// Enqueue main CSS + only the required variant CSS — all resolved before wp_head fires. |
| 333 |
wp_enqueue_style('darkify-client-main'); |
| 334 |
foreach ($variants as $variant) { |
| 335 |
wp_enqueue_style("theme-{$variant}"); |
| 336 |
} |
| 337 |
wp_enqueue_script('darkify-client-main', DARKIFY_DIR_URL . 'src/assets/js/client_main' . $min . '.js', array('jquery'), DARKIFY_VERSION); |
| 338 |
} |
| 339 |
|
| 340 |
/** |
| 341 |
* Collects all switcher variants needed on the current page so they can be |
| 342 |
* enqueued during wp_enqueue_scripts (before wp_head), guaranteeing CSS loads |
| 343 |
* in the <head> regardless of page builder or theme. |
| 344 |
*/ |
| 345 |
private function darkify_collect_page_variants($options) |
| 346 |
{ |
| 347 |
$all_variants = array('classic', 'expand', 'inner-moon', 'orbit', 'within'); |
| 348 |
$num_map = array('1' => 'classic', '2' => 'expand', '3' => 'inner-moon', '4' => 'within', '5' => 'orbit'); |
| 349 |
$variants = array(); |
| 350 |
|
| 351 |
// 1. Global / floating switcher variant (always present when dark mode is active). |
| 352 |
$global_variant = isset($options['enable_dark_switcher']) ? $options['enable_dark_switcher'] : 'classic'; |
| 353 |
if (in_array($global_variant, $all_variants, true)) { |
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$variants[] = $global_variant; |
| 355 |
} |
| 356 |
|
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// 2. Menu switcher — parse variant from each saved shortcode helper string. |
| 358 |
$show_in_menu = isset($options['show_in_menu']) ? $options['show_in_menu'] : array(); |
| 359 |
if (!empty($show_in_menu['enable_switch_in_menu']) && !empty($show_in_menu['select_menus'])) { |
| 360 |
foreach ($show_in_menu['select_menus'] as $menu_item) { |
| 361 |
$helper = isset($menu_item['darkify_menu_shortcode_helper']) ? $menu_item['darkify_menu_shortcode_helper'] : ''; |
| 362 |
if ($helper && preg_match('/switch=["\']?([^"\'>\s\]]+)["\']?/', $helper, $m)) { |
| 363 |
$v = isset($num_map[$m[1]]) ? $num_map[$m[1]] : $m[1]; |
| 364 |
if (in_array($v, $all_variants, true)) { |
| 365 |
$variants[] = $v; |
| 366 |
} |
| 367 |
} |
| 368 |
} |
| 369 |
} |
| 370 |
|
| 371 |
// 3. Page-level detection — shortcodes, Gutenberg blocks, Elementor widget. |
| 372 |
global $post; |
| 373 |
if ($post) { |
| 374 |
$content = $post->post_content; |
| 375 |
|
| 376 |
// Shortcodes: parse switch attribute from every [darkify] tag. |
| 377 |
if (has_shortcode($content, 'darkify')) { |
| 378 |
preg_match_all('/\[darkify[^\]]*switch=["\']?([^"\'>\s\]]+)/', $content, $sc_matches); |
| 379 |
foreach ($sc_matches[1] as $switch_val) { |
| 380 |
$v = isset($num_map[$switch_val]) ? $num_map[$switch_val] : $switch_val; |
| 381 |
if (in_array($v, $all_variants, true)) { |
| 382 |
$variants[] = $v; |
| 383 |
} else { |
| 384 |
$variants[] = 'classic'; // default when no valid variant found |
| 385 |
} |
| 386 |
} |
| 387 |
// If [darkify] exists but has no switch attribute, default to classic. |
| 388 |
if (empty($sc_matches[1]) && has_shortcode($content, 'darkify')) { |
| 389 |
$variants[] = 'classic'; |
| 390 |
} |
| 391 |
} |
| 392 |
|
| 393 |
// Gutenberg blocks: walk the block tree and collect style attributes. |
| 394 |
if (function_exists('has_block') && has_block('darkify/switcher', $post)) { |
| 395 |
$blocks = parse_blocks($content); |
| 396 |
$variants = array_merge($variants, $this->darkify_extract_block_variants($blocks, $all_variants)); |
| 397 |
} |
| 398 |
|
| 399 |
// Elementor widget: if Darkify widget appears in the page's Elementor data, |
| 400 |
// load all variants — the specific style is stored as a control value that |
| 401 |
// would require deep JSON parsing to extract reliably. |
| 402 |
if (class_exists('\Elementor\Plugin')) { |
| 403 |
$elementor_data = get_post_meta($post->ID, '_elementor_data', true); |
| 404 |
if ($elementor_data && strpos($elementor_data, '"widgetType":"darkify"') !== false) { |
| 405 |
return $all_variants; |
| 406 |
} |
| 407 |
} |
| 408 |
} |
| 409 |
|
| 410 |
return array_values(array_unique(array_filter($variants))); |
| 411 |
} |
| 412 |
|
| 413 |
/** |
| 414 |
* Recursively walks a parsed block tree and collects darkify/darkify style values. |
| 415 |
*/ |
| 416 |
private function darkify_extract_block_variants($blocks, $all_variants) |
| 417 |
{ |
| 418 |
$variants = array(); |
| 419 |
foreach ($blocks as $block) { |
| 420 |
if ('darkify/switcher' === $block['blockName']) { |
| 421 |
$style = isset($block['attrs']['style']) ? $block['attrs']['style'] : 'classic'; |
| 422 |
if (in_array($style, $all_variants, true)) { |
| 423 |
$variants[] = $style; |
| 424 |
} |
| 425 |
} |
| 426 |
if (!empty($block['innerBlocks'])) { |
| 427 |
$variants = array_merge($variants, $this->darkify_extract_block_variants($block['innerBlocks'], $all_variants)); |
| 428 |
} |
| 429 |
} |
| 430 |
return $variants; |
| 431 |
} |
| 432 |
public function darkify_is_dark_mode_allowed() |
| 433 |
{ |
| 434 |
$options = get_option('darkify'); |
| 435 |
/* Disable if Oxygen Builder is Opened */ |
| 436 |
if (isset($_GET['ct_builder'])) { |
| 437 |
if ($_GET['ct_builder'] == "true") { |
| 438 |
if (!isset($_GET['oxygen_iframe'])) { |
| 439 |
return False; |
| 440 |
} |
| 441 |
} |
| 442 |
} |
| 443 |
|
| 444 |
return True; |
| 445 |
} |
| 446 |
|
| 447 |
|
| 448 |
public function darkify_client_header_script() |
| 449 |
{ |
| 450 |
if ($this->darkify_is_dark_mode_allowed()) { |
| 451 |
include_once DarkifyUtils::darkify_locate_template('header_script.php'); |
| 452 |
} |
| 453 |
} |
| 454 |
|
| 455 |
public function darkify_client_footer_script() |
| 456 |
{ |
| 457 |
if ($this->darkify_is_dark_mode_allowed()) { |
| 458 |
include_once DarkifyUtils::darkify_locate_template('footer_script.php'); |
| 459 |
} |
| 460 |
} |
| 461 |
|
| 462 |
function darkify_switch_in_menu($items, $args) |
| 463 |
{ |
| 464 |
$options = get_option('darkify'); |
| 465 |
$show_in_menu = $options['show_in_menu']; |
| 466 |
$select_menus = isset($show_in_menu['select_menus']) ? $show_in_menu['select_menus'] : []; |
| 467 |
|
| 468 |
$last_shortcode = ''; |
| 469 |
|
| 470 |
if ($this->darkify_is_dark_mode_allowed() && isset($args->menu->term_id)) { |
| 471 |
foreach ($select_menus as $select_menu) { |
| 472 |
|
| 473 |
$switch_in_menu_location = $select_menu['switch_in_menu_location'] ?? ''; |
| 474 |
$darkify_menu_shortcode_helper = $select_menu['darkify_menu_shortcode_helper'] ?? ''; |
| 475 |
$menu_position = isset($select_menu['select_menu_position']) ? $select_menu['select_menu_position'] : 'after'; |
| 476 |
if ($args->menu->term_id == $switch_in_menu_location) { |
| 477 |
$last_shortcode = $darkify_menu_shortcode_helper; |
| 478 |
} |
| 479 |
} |
| 480 |
if ($last_shortcode) { |
| 481 |
$items = ($menu_position == 'before') ? '<li class="menu-item">' . do_shortcode($last_shortcode) . '</li>' . $items : $items . '<li class="menu-item">' . do_shortcode($last_shortcode) . '</li>'; |
| 482 |
} |
| 483 |
} |
| 484 |
|
| 485 |
return $items; |
| 486 |
} |
| 487 |
} |
| 488 |
|
