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Filename : class-fusion-app.php
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<?php
/**
 * Main Fusion_App Class.
 *
 * @since 2.0
 * @package fusion-library
 */

/**
 * Main Fusion_App Class.
 *
 * @since 2.0
 */
class Fusion_App {

	/**
	 * The one, true instance of this object.
	 *
	 * @static
	 * @access private
	 * @since 2.0
	 * @var object
	 */
	private static $instance;

	/**
	 * Has data to filter in.
	 *
	 * @access protected
	 * @since 2.0
	 * @var bool
	 */
	protected $has_data = false;

	/**
	 * Data we want to emulate.
	 *
	 * @access protected
	 * @since 2.0
	 * @var bool
	 */
	protected $data = [];

	/**
	 * Is this the preview?
	 *
	 * @access protected
	 * @since 2.0
	 * @var bool
	 */
	protected $is_preview = false;

	/**
	 * Is this preview only?
	 *
	 * @access protected
	 * @since 2.0
	 * @var bool
	 */
	protected $is_preview_only = false;

	/**
	 * Is builder active.
	 *
	 * @access public
	 * @var boolean $is_builder.
	 */
	public $is_builder = false;

	/**
	 * Preferences object
	 *
	 * @access public
	 * @var Fusion_Preferences
	 */
	public $preferences = null;

	/**
	 * Save data
	 *
	 * @access public
	 * @var save_data
	 */
	public $save_data = [];

	/**
	 * Is this ajax from app?
	 *
	 * @access protected
	 * @since 2.0
	 * @var bool
	 */
	protected $is_ajax = false;

	/**
	 * An array of our google fonts.
	 *
	 * @static
	 * @access public
	 * @var null|object
	 */
	public static $google_fonts = null;

	/**
	 * Backup object for global $wp_query.
	 *
	 * @access protected
	 * @var null|object
	 */
	protected $backup_wp_query = null;

	/**
	 * Creates or returns an instance of this class.
	 *
	 * @static
	 * @access public
	 * @since 2.0
	 */
	public static function get_instance() {

		// If an instance hasn't been created and set to $instance create an instance and set it to $instance.
		if ( null === self::$instance ) {
			self::$instance = new Fusion_App();
		}
		return self::$instance;
	}

	/**
	 * Initializes the plugin by setting localization, hooks, filters,
	 * and administrative functions.
	 *
	 * @access private
	 * @since 2.0
	 */
	private function __construct() {
		$can_edit = current_user_can( apply_filters( 'awb_role_manager_access_capability', 'manage_options', null, 'live_builder_edit' ) ) || current_user_can( apply_filters( 'awb_role_manager_access_capability', 'publish_', null, 'live_builder_edit' ) );

		$this->set_ajax_status();

		// Action to get google fonts, used both in Live Editor and Backend builder.
		add_action( 'wp_ajax_fusion_get_webfonts_ajax', [ $this, 'get_googlefonts_ajax' ] );
		if ( apply_filters( 'fusion_load_live_editor', $can_edit ) ) {

			// Save post content.
			add_action( 'wp_ajax_fusion_app_save_post_content', [ $this, 'fusion_app_save_post_content' ] );

			$this->set_builder_status();
			$this->set_preview_status();

			$this->init();
		}

		add_action( 'wp_ajax_fusion_get_post_lock_data', [ $this, 'ajax_get_post_lock_data' ] );

	}

	/**
	 * Initializes the plugin by setting localization, hooks, filters,
	 * and administrative functions.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function init() {

		add_filter( 'wp_refresh_nonces', [ $this, 'fusion_refresh_nonces' ], 10, 3 );

		$this->set_data();

		if ( $this->has_data ) {
			add_action( 'wp', [ $this, 'filter_data' ] );
		}

		// If preview frame.
		if ( $this->is_preview ) {
			add_action( 'wp_footer', [ $this, 'preview_data' ] );
			show_admin_bar( false ); // phpcs:ignore WPThemeReview.PluginTerritory
			add_action( 'wp_enqueue_scripts', [ $this, 'preview_live_scripts' ], 999 );

			add_filter( 'body_class', [ $this, 'preview_body_class' ], 999 );
			add_filter( 'avada_the_html_class', [ $this, 'preview_html_class' ], 999 );
			add_action( 'wp_head', [ $this, 'access_control_allow_origin' ] );
		}

		if ( $this->is_builder ) {
			show_admin_bar( false ); // phpcs:ignore WPThemeReview.PluginTerritory
			add_action(
				'wp_enqueue_scripts',
				function() {
					global $wp_scripts, $wp_styles;
					$wp_scripts->queue = [];
					$wp_styles->queue  = [];
				},
				100
			);

			add_action( 'wp_enqueue_scripts', [ $this, 'live_scripts' ], 997 );
			add_action( 'wp_footer', [ $this, 'load_templates' ] );

			add_action( 'wp_footer', [ $this, 'inject_css_vars' ] );

			add_action( 'wp_print_footer_scripts', [ $this, 'fusion_authorization' ], 10 );

			add_filter( 'body_class', [ $this, 'body_class' ], 997 );

			add_filter( 'template_include', [ $this, 'template_include' ], 999 );
		}

		if ( $this->is_preview || $this->is_builder ) {
			add_filter( 'wp_headers', [ $this, 'cache_headers' ], 999 );
		}

		$this->set_preference();

		// Command palette: library items list.
		add_action( 'wp_ajax_awb_get_library_items', [ $this, 'awb_get_library_items' ] );

		// Command palette: resolve media attachment IDs from URLs.
		add_action( 'wp_ajax_awb_resolve_media_ids', [ $this, 'awb_resolve_media_ids' ] );

		// Action for replacing partial contents.
		add_action( 'wp_ajax_fusion_app_partial_refresh', [ $this, 'fusion_app_partial_refresh' ] );

		// Action to add new term from live editor.
		add_action( 'wp_ajax_fusion_multiselect_addnew', [ $this, 'fusion_multiselect_addnew' ] );

		// Load empty checkout page in live editor.
		add_action( 'init', [ $this, 'load_empty_checkout_page' ] );

		// Front end page edit trigger. Work around for theme check.
		$add_to_admin_bar_hook = 'admin_bar_menu';
		add_action( $add_to_admin_bar_hook, [ $this, 'builder_trigger' ], 999 );

		add_action( 'wp_footer', [ $this, 'remove_unused_form_links' ], 997 );
		add_action( 'wp_footer', [ $this, 'remove_unused_off_canvas_links' ], 997 );
		add_action( 'wp_footer', [ $this, 'remove_unused_mega_menus_links' ], 997 );
	}

	/**
	 * Remove unused form links.
	 *
	 * @access public
	 * @since 3.1
	 * @return void
	 */
	public function remove_unused_form_links() {
		$maybe_has_forms = class_exists( 'Fusion_Template_Builder' ) && function_exists( 'get_post_type' ) && 'fusion_tb_section' !== get_post_type();
		$forms_enabled   = class_exists( 'Fusion_Form_Builder' ) && false !== Fusion_Form_Builder::is_enabled();
		if ( ! $forms_enabled || ! current_user_can( 'edit_others_posts' ) || ! is_admin_bar_showing() || ! $maybe_has_forms ) {
			return;
		}
		?>
			<script>
				jQuery( document ).ready( function() {
					var $ul            = jQuery( '#wp-admin-bar-awb-form-group' ),
						$formEditLinks = $ul.children( 'li' );

					if ( 0 < $formEditLinks.length ) {
						$formEditLinks.each( function() {
							var formId = this.id.replace( 'wp-admin-bar-fb-edit-form', 'fusion-form' );
							if ( ! jQuery( '.' + formId ).length ) {
								this.remove();
							}
						} );

						// Remove empty Ul.
						if ( $ul.length && ! $ul.children().length ) {
							$ul.remove();
						}
					}
				} )
			</script>
		<?php
	}

	/**
	 * Remove unused mega menus links.
	 *
	 * @access public
	 * @since 3.9
	 * @return void
	 */
	public function remove_unused_mega_menus_links() {
		$maybe_has_mega_menus = class_exists( 'Fusion_Template_Builder' ) && function_exists( 'get_post_type' ) && 'fusion_tb_section' !== get_post_type();

		if ( ! $maybe_has_mega_menus || ! current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_others_posts', 'avada_library' ) ) || ! is_admin_bar_showing() ) {
			return;
		}
		?>
			<script>
				jQuery( document ).ready( function() {
					var $ul                = jQuery( '#wp-admin-bar-awb-mega-menus-group' ),
						$offCanvasEditLink = $ul.children( 'li' );

					if ( 0 < $offCanvasEditLink.length ) {
						$offCanvasEditLink.each( function() {
							var megaMenuId = this.id.replace( 'wp-admin-bar-fb-edit-mega-menu', 'awb-mega-menu' );
							if ( ! jQuery( '#' + megaMenuId ).length ) {
								this.remove();
							}
						} );

						// Remove empty Ul.
						if ( $ul.length && ! $ul.children().length ) {
							$ul.remove();
						}
					} else {

					}
				} )
			</script>
		<?php
	}

	/**
	 * Remove unused off canvas links.
	 *
	 * @access public
	 * @since 3.6
	 * @return void
	 */
	public function remove_unused_off_canvas_links() {
		$maybe_has_off_canvas = class_exists( 'Fusion_Template_Builder' ) && function_exists( 'get_post_type' ) && 'fusion_tb_section' !== get_post_type();
		$off_canvas_enabled   = class_exists( 'AWB_Off_Canvas_Front_End' ) && false !== AWB_Off_Canvas_Front_End::is_enabled();
		if ( ! $off_canvas_enabled || ! current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_others_posts', 'avada_library' ) ) || ! is_admin_bar_showing() || ! $maybe_has_off_canvas ) {
			return;
		}
		?>
			<script>
				jQuery( document ).ready( function() {
					var $ul                = jQuery( '#wp-admin-bar-awb-off-canvas-group' ),
						$offCanvasEditLink = $ul.children( 'li' );

					if ( 0 < $offCanvasEditLink.length ) {
						$offCanvasEditLink.each( function() {
							var offCanvasId = this.id.replace( 'wp-admin-bar-fb-edit-off-canvas', 'awb-oc' );
							if ( ! jQuery( '#' + offCanvasId ).length ) {
								this.remove();
							}
						} );

						// Remove empty Ul.
						if ( $ul.length && ! $ul.children().length ) {
							$ul.remove();
						}
					} else {

					}
				} )
			</script>
		<?php
	}

	/**
	 * Check for POST data of refresh.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function set_data() {

		$data = [];

		$this->has_data = isset( $_POST ) && isset( $_POST['action'] ) && isset( $_POST['fusion_load_nonce'] ) && wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['fusion_load_nonce'] ) ), 'fusion_load_nonce' );

		if ( $this->has_data ) {
			$this->data['action'] = sanitize_text_field( wp_unslash( $_POST['action'] ) );

			if ( isset( $_POST['post_id'] ) ) {
				$this->data['post_id'] = sanitize_text_field( wp_unslash( $_POST['post_id'] ) );
			}

			if ( isset( $_POST['partials'] ) ) {
				$this->data['partials'] = wp_unslash( $_POST['partials'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput
			}

			if ( isset( $_POST['post_details'] ) ) {
				$this->data['post_details'] = fusion_string_to_array( $_POST['post_details'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput
			}

			if ( isset( $_POST['post_content'] ) ) {
				$post_content = $_POST['post_content']; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput
				if ( 'fusion_app_preview_only' === $this->data['action'] ) {
					$post_content = urldecode( utf8_encode( $post_content ) );
				}
				$this->data['post_content'] = wp_unslash( apply_filters( 'content_save_pre', $post_content ) );
			}

			if ( isset( $_POST['query'] ) ) {
				$this->data['query'] = wp_unslash( $_POST['query'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput
			}

			if ( isset( $_POST['option_name'] ) ) {
				$this->data['option_name'] = sanitize_text_field( wp_unslash( $_POST['option_name'] ) );
			}

			if ( isset( $_POST['fusion_options'] ) ) {
				$this->data['fusion_options'] = fusion_string_to_array( $_POST['fusion_options'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput
			}

			if ( isset( $_POST['meta_values'] ) ) {
				$this->data['meta_values'] = fusion_string_to_array( $_POST['meta_values'], false );  // phpcs:ignore WordPress.Security.ValidatedSanitizedInput

				// Strip any leaf values that are serialized PHP objects (serialized object marker has no legitimate use).
				$this->data['meta_values'] = $this->awb_strip_serialized_objects( $this->data['meta_values'] );
			}
		}
	}

	/**
	 * Recursively strips serialized PHP objects ("O:"/"C:" markers) from a value tree.
	 * Plain serialized scalars/arrays are left intact; only object markers are cleared.
	 * The meta_values payload is read without stripping the slashes added by
	 * wp_magic_quotes(), so object markers can arrive slash-escaped (e.g. O:15:\"Foo\").
	 *
	 * @access private
	 * @since 3.15.4
	 * @param mixed $value Value to walk.
	 * @return mixed
	 */
	private function awb_strip_serialized_objects( $value ) {
		if ( is_array( $value ) ) {
			foreach ( $value as $key => $sub ) {
				$value[ $key ] = $this->awb_strip_serialized_objects( $sub );
			}
			return $value;
		}
		if ( is_string( $value ) ) {
			foreach ( [ $value, wp_unslash( $value ) ] as $candidate ) {
				if ( is_serialized( $candidate ) && preg_match( '/(?:^|[;{])[OC]:\d+:"/', $candidate ) ) {
					return '';
				}
			}
		}
		return $value;
	}

	/**
	 * Returns true if the callable's source file belongs to Avada.
	 * Exetndable via the "awb_partial_refresh_allowed_callback_paths" filter.
	 *
	 * @access private
	 * @since 7.15.4
	 * @param callable $callable Function name or "[ class, method ]" array.
	 * @return bool
	 */
	private function awb_callback_is_first_party( $callable ) {
		try {
			if ( is_array( $callable ) ) {
				$ref = new ReflectionMethod( $callable[0], $callable[1] );
			} else {
				$ref = new ReflectionFunction( $callable );
			}
		} catch ( ReflectionException $e ) {
			return false;
		}

		$file = $ref->getFileName();
		if ( ! $file ) {
			return false; // Internal/built-in function — no source file.
		}
		$file = wp_normalize_path( $file );

		$allowed_paths = apply_filters(
			'awb_partial_refresh_allowed_callback_paths',
			[
				wp_normalize_path( get_template_directory() ),
				wp_normalize_path( WP_PLUGIN_DIR . '/fusion-builder' ),
				wp_normalize_path( WP_PLUGIN_DIR . '/fusion-core' ),
				wp_normalize_path( WP_PLUGIN_DIR . '/fusion-library' ),
				wp_normalize_path( WP_PLUGIN_DIR . '/avada-studio' ),
			]
		);

		foreach ( $allowed_paths as $path ) {
			if ( is_string( $path ) && '' !== $path && 0 === strpos( $file, rtrim( $path, '/' ) . '/' ) ) {
				return true;
			}
		}
		return false;
	}

	/**
	 * Get any data set to app.
	 *
	 * @access public
	 * @since 2.0
	 * @param string $id The data we want to get (post_id, partials, post_content etc).
	 * @return mixed
	 */
	public function get_data( $id = '' ) {
		if ( '' === $id ) {
			return $this->has_data ? $this->data : false;
		}
		if ( isset( $this->data[ $id ] ) ) {
			return $this->data[ $id ];
		}
		return false;
	}

	/**
	 * Checks if request is for a full refresh of same page.
	 *
	 * @access public
	 * @since 2.0
	 * @return boolean
	 */
	public function is_full_refresh() {
		return $this->has_data && 'fusion_app_full_refresh' === $this->data['action'];
	}

	/**
	 * Filter page data with POST data.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function filter_data() {
		if ( ! $this->has_data ) {
			return;
		}

		delete_transient( 'avada_googlefonts_contents' );
		delete_site_transient( 'avada_googlefonts_contents' );

		$this->filter_core_settings();

		do_action( 'fusion_filter_data' );
	}

	/**
	 * Set no cache headers for the builder frames.
	 *
	 * @access public
	 * @since 2.0
	 * @param array $headers Existing headers.
	 * @return array
	 */
	public function cache_headers( $headers ) {
		$headers = wp_get_nocache_headers();

		return $headers;
	}

	/**
	 * Echoes the data for Front-End builder preview.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function preview_data() {
		global $post, $fusion_library, $template, $wp_query;

		$_post               = $post;
		$permalink           = fusion_app_get_permalink();
		$permalink           = remove_query_arg( [ 'builder', 'builder_id', 'option' ], $permalink );
		$permalink           = add_query_arg( 'fb-edit', true, $permalink );
		$page_id             = Fusion::get_instance()->get_page_id();
		$post_content        = '';
		$post_type           = get_post_type( $page_id );
		$post_type_obj       = get_post_type_object( $post_type );
		$is_fusion_element   = 'fusion_element' === $post_type ? true : false;
		$fusion_element_type = false;
		$backend_link        = '';

		if ( $page_id && false === strpos( $page_id, '-archive' ) ) {
			$_post        = get_post( $page_id );
			$post_content = is_object( $_post ) ? wpautop( trim( apply_filters( 'content_edit_pre', $_post->post_content, $page_id ) ) ) : '';

			if ( function_exists( 'fusion_builder_fix_shortcodes' ) ) {
				$post_content = fusion_builder_fix_shortcodes( $post_content );
			}

			// Add additional next page element, for the last page live preview.
			if ( 0 < substr_count( $post_content, '[fusion_builder_next_page]' ) ) {
				$last_part_of_post = substr( $post_content, -strlen( '[fusion_builder_next_page last="true"]' ) - 2 );
				if ( 0 === substr_count( $last_part_of_post, '[fusion_builder_next_page last="true"]' ) ) { // Do not add another one if it already ends with.
					$post_content .= '[fusion_builder_next_page last="true"]';
				}
			}
		}

		if ( ( is_category() || is_tax() ) && ( ! function_exists( 'FusionBuilder' ) || ! FusionBuilder()->editing_post_card ) ) {
			$category     = get_queried_object();
			$backend_link = get_edit_term_link( $category->term_id, $category->taxonomy );
		}

		if ( $is_fusion_element ) {
			$terms = get_the_terms( $post->ID, 'element_category' );

			if ( $terms ) {
				$fusion_element_type = $terms[0]->name;
			}
		}

		$data = [
			'query'                => $wp_query->query,
			'currentPage'          => fusion_app_get_current_page(),
			'is_home'              => is_home(),
			'is_front_page'        => is_front_page(),
			'is_single'            => is_single( $page_id ),
			'is_sticky'            => is_sticky( $page_id ),
			'is_post_type_archive' => is_post_type_archive(),
			'is_posts_archive'     => is_post_type_archive( 'post' ),
			'comments_open'        => comments_open(),
			'is_page'              => is_page( $page_id ),
			'template'             => str_replace( [ get_template_directory() . '/', get_stylesheet_directory() . '/' ], '', $template ),
			'is_archive'           => is_archive() && ( ! function_exists( 'is_shop' ) || function_exists( 'is_shop' ) && ! is_shop() ),
			'is_category'          => is_category(),
			'is_tag'               => is_tag(),
			'is_tax'               => is_tax(),
			'is_author'            => is_author(),
			'is_date'              => is_date(),
			'is_year'              => is_year(),
			'is_month'             => is_month(),
			'is_day'               => is_day(),
			'is_time'              => is_time(),
			'is_new_day'           => is_new_day(),
			'is_search'            => is_search(),
			'is_404'               => is_404(),
			'is_paged'             => is_paged(),
			'is_attachment'        => is_attachment(),
			'is_singular'          => is_singular(),
			'has_excerpt'          => has_excerpt(),
			'is_child_theme'       => is_child_theme(),
			'is_singular_post'     => is_singular( 'post' ),
			'is_woocommerce'       => function_exists( 'is_woocommerce' ) ? is_woocommerce() : false,
			'is_shop'              => function_exists( 'is_shop' ) ? is_shop() : false,
			'is_product_category'  => function_exists( 'is_product_category' ) ? is_product_category() : false,
			'is_product_tag'       => function_exists( 'is_product_tag' ) ? is_product_tag() : false,
			'is_product'           => function_exists( 'is_product' ) ? is_product() : false,
			'is_cart'              => function_exists( 'is_cart' ) ? is_cart() : false,
			'is_checkout'          => function_exists( 'is_checkout' ) ? is_checkout() : false,
			'is_account_page'      => function_exists( 'is_account_page' ) ? is_account_page() : false,
			'is_woo_archive'       => ( ( function_exists( 'is_woocommerce' ) && is_woocommerce() && is_tax() ) || ( function_exists( 'is_product_taxonomy' ) && is_product_taxonomy() ) ),
			'is_portfolio_single'  => is_singular( 'avada_portfolio' ),
			'is_portfolio_archive' => is_post_type_archive( 'avada_portfolio' ) || is_tax( [ 'portfolio_category', 'portfolio_skills', 'portfolio_tags' ] ),
			'is_singular_ec'       => ( is_singular( 'tribe_events' ) || is_singular( 'tribe_organizer' ) || is_singular( 'tribe_venue' ) ),
			'is_bbpress'           => function_exists( 'is_bbpress' ) && is_bbpress(),
			'is_buddypress'        => function_exists( 'is_buddypress' ) && is_buddypress(),
			'backendLink'          => $backend_link,
			'is_fusion_element'    => $is_fusion_element,
			'fusion_element_type'  => $fusion_element_type,
			'plugins_active'       => [
				'woocommerce'     => class_exists( 'WooCommerce' ),
				'slider_rev'      => defined( 'RS_PLUGIN_PATH' ),
				'layer_slider'    => defined( 'LS_PLUGIN_BASE' ),
				'events_calendar' => class_exists( 'Tribe__Events__Main' ),
				'cf7'             => defined( 'WPCF7_PLUGIN' ),
				'convert_plus'    => class_exists( 'Convert_Plug' ),
				'awb_studio'      => class_exists( 'Avada_Studio' ),
			],
			'postDetails'          => [
				'post_id'        => $page_id,
				'post_permalink' => $permalink,
			],
		];

		// If editing a post card, add as template category for element filtering.
		if ( 'post_cards' === $fusion_element_type || 'mega_menus' === $fusion_element_type ) {
			$data['template_category'] = $fusion_element_type;
		}

		if ( $page_id && false === strpos( $page_id, '-archive' ) ) {

			$data['postDetails'] = [
				'post_id'        => $page_id,
				'post_permalink' => $permalink,
				'post_title'     => get_the_title( $page_id ),
				'post_content'   => $post_content,
				'post_name'      => $_post->post_name,
				'post_type'      => $post_type,
				'post_type_name' => is_object( $post_type_obj ) ? $post_type_obj->labels->singular_name : esc_html__( 'Page', 'fusion-builder' ),
				'post_status'    => get_post_status( $page_id ),
				'post_password'  => is_object( $_post ) ? $_post->post_password : '',
				'post_date'      => is_object( $_post ) ? $_post->post_date : '',
				'post_parent'    => is_object( $_post ) ? $_post->post_parent : '',
				'menu_order'     => ( isset( $_post->menu_order ) ) ? $_post->menu_order : '0',
				'post_author'    => is_object( $_post ) ? (int) $_post->post_author : 0,
			];

			if ( post_type_supports( $post_type, 'post-formats' ) && current_theme_supports( 'post-formats' ) ) {
				$data['postDetails']['post_format'] = get_post_format( $page_id ) ? $data['postDetails']['post_format'] : 'standard';
			}

			// Taxonomies.
			$taxonomy_post_types = (array) apply_filters( 'fusion_taxonomy_post_type', [ 'post', 'avada_portfolio' ] );
			if ( in_array( $post_type, $taxonomy_post_types, true ) ) {
				$post_taxonomies = get_object_taxonomies( $post_type, 'objects' );
				if ( 0 < count( $post_taxonomies ) ) {
					foreach ( $post_taxonomies as $taxonomy ) {
						if ( ( 'post_format' !== $taxonomy->name && 'fusion_tb_category' !== $taxonomy->name ) || ( 'fusion_tb_category' === $taxonomy->name && class_exists( 'Avada_Studio' ) ) ) {

							// current terms.
							$post_terms    = get_the_terms( $page_id, $taxonomy->name );
							$current_value = [];
							$post_terms    = ( is_array( $post_terms ) ) ? $post_terms : [];

							if ( 0 < count( $post_terms ) && ! empty( $post_terms ) ) {
								foreach ( $post_terms as $post_term ) {
									array_push( $current_value, $post_term->term_id );
								}
							}

							$data['postDetails'][ $taxonomy->name ] = implode( ',', $current_value );
						}
					}
				}
			}
		} elseif ( $page_id && false !== strpos( $page_id, '-archive' ) ) {

			$_term = get_term( (int) str_replace( 'archive-', '', $page_id ) );
			if ( ! is_wp_error( $_term ) ) {
				$data['postDetails'] = [
					'post_id'        => $page_id,
					'post_permalink' => $permalink,
					'name'           => $_term->name,
					'slug'           => $_term->slug,
					'parent'         => (int) $_term->parent,
					'description'    => $_term->description,
				];
			}
		}

		$data = $this->add_multilingual_data( $data );

		$data = apply_filters( 'fusion_app_preview_data', $data, $page_id, $post_type );

		// Load font for inline editor.
		fusion_the_admin_font_async();
		?>

		<script type="text/javascript">
			function initFusionAppInitialData() {
				if ( 'undefined' === typeof parent.window.FusionApp || 'undefined' === typeof parent.window.FusionPageBuilder.FormNav ) {
					setTimeout( function() {
						initFusionAppInitialData();
					}, 100 );
					return;
				}
				parent.window.FusionApp.initialData     = <?php echo wp_json_encode( $data, JSON_FORCE_OBJECT ); ?>;
				parent.window.FusionApp.preferences     = <?php echo wp_json_encode( $this->preferences->params(), JSON_FORCE_OBJECT ); ?>;
				parent.window.FusionApp.preferencesData = <?php echo wp_json_encode( $this->preferences->get_preferences(), JSON_FORCE_OBJECT ); ?>;
				parent.window.FusionApp.setup();
				window.addEventListener( 'load', function() {
					parent.window.FusionApp.iframeLoaded();
				} );
			}
			initFusionAppInitialData();
		</script>
		<?php
	}

	/**
	 * Add multilingual data if necessary.
	 *
	 * @access public
	 * @since 2.0
	 * @param array $data The data for the fusion app.
	 * @return array
	 */
	public function add_multilingual_data( $data ) {
		$multilingual        = Fusion_Library()->multilingual;
		$available_languages = $multilingual->get_available_languages();
		$language            = false;

		if ( ! empty( $available_languages ) ) {
			$language                 = $multilingual->get_active_language();
			$option_name              = Avada::get_option_name();
			$data['optionName']       = $option_name;
			$data['languageTo']       = get_option( $option_name );
			$data['languageSwitcher'] = $multilingual->get_language_switcher_data();

			// Retrieve defaults for this language.
			do_action( 'fusion_builder_before_init' );
			FusionBuilder()->do_fusion_builder_wp_loaded();

			$fusion_builder_elements = fusion_builder_filter_available_elements();
			if ( ! empty( $fusion_builder_elements ) ) {
				$fusion_builder_elements  = apply_filters( 'fusion_builder_all_elements', $fusion_builder_elements );
				$data['languageDefaults'] = $fusion_builder_elements;
			}
		}
		$data['language'] = $language;

		return $data;
	}

	/**
	 * Include a template file.
	 *
	 * @access public
	 * @since 2.0
	 * @param string $template The template file we want to include.
	 * @return string
	 */
	public function template_include( $template ) {
		global $wp_query;

		if ( $wp_query->is_main_query() && $this->get_builder_status() ) {
			return FUSION_LIBRARY_PATH . '/inc/fusion-app/templates/front-customize.php';
		}
		return $template;
	}

	/**
	 * Add link to admin bar for builder.
	 *
	 * @access public
	 * @since 2.0
	 * @param Object $admin_bar admin bar.
	 * @return void
	 */
	public function builder_trigger( $admin_bar ) {
		$customize_url      = fusion_app_get_permalink( $admin_bar );
		$forms_enabled      = class_exists( 'Fusion_Form_Builder' ) && false !== Fusion_Form_Builder::is_enabled();
		$post_cards_enabled = function_exists( 'fusion_is_element_enabled' ) && fusion_is_element_enabled( 'fusion_post_cards' );
		$off_canvas_enabled = class_exists( 'AWB_Off_Canvas_Front_End' ) && false !== AWB_Off_Canvas_Front_End::is_enabled();
		$post_type          = get_post_type();
		$post_type_names    = [
			'avada_portfolio' => 'Portfolio Post',
			'avada_faq'       => 'FAQ Post',
			'tribe_events'    => 'Event',
		];

		if ( is_search() || is_404() ) {
			$customize_url = '#';
		}

		if ( ! $customize_url || '' === $customize_url ) {
			return;
		}

		$customize_url = '#' !== $customize_url ? add_query_arg( 'fb-edit', true, $customize_url ) : $customize_url;
		$live_editor   = apply_filters( 'fusion_load_live_editor', true );

		if ( $live_editor && ( current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_', $post_type, 'live_builder_edit' ) ) ) ) {
			$admin_bar->add_node(
				[
					'id'    => 'fb-edit',
					'title' => apply_filters( 'fusion_edit_live_title', esc_html__( 'Edit Live', 'fusion-builder' ) ),
					'href'  => $customize_url,
				]
			);
		}

		if ( $live_editor && class_exists( 'Fusion_Template_Builder' ) && function_exists( 'get_post_type' ) && 'fusion_tb_section' !== $post_type ) {
			$layouts          = Fusion_Template_Builder()->get_registered_layouts();
			$templates        = current_user_can( apply_filters( 'awb_role_manager_access_capability', 'manage_options', 'fusion_tb_section' ) ) ? Fusion_Template_Builder()->get_template_terms() : [];
			$submenu_items    = [];
			$forms            = [];
			$post_cards       = [];
			$group_class_name = '';
			$layout_link      = '';

			foreach ( $templates as $key => $template_arr ) {
				$template = Fusion_Template_Builder::get_instance()->get_override( $key );

				if ( $template ) {
					$submenu_items[] = [
						'key'         => $key,
						'label'       => $template_arr['label'],
						'name'        => $template->post_title,
						'template_id' => $template->ID,
						'layout_id'   => isset( $template->layout_id ) ? $template->layout_id : '',
					];

					if ( $forms_enabled ) {
						preg_match_all( '/form_post_id\=\"(.*?)\"/', $template->post_content, $matches );
						$forms = array_merge( $forms, $matches[1] );
					}

					if ( $post_cards_enabled ) {
						preg_match_all( '/post_card\=\"(.*?)\"/', $template->post_content, $matches );
						$post_cards = array_merge( $post_cards, $matches[1] );
					}
				}
			}

			if ( $forms_enabled ) {
				preg_match_all( '/form_post_id\=\"(.*?)\"/', get_the_content( null, false, get_the_id() ), $matches );
				$forms = array_merge( $forms, $matches[1] );
			}

			if ( $post_cards_enabled ) {
				preg_match_all( '/post_card\=\"(.*?)\"/', get_the_content( null, false, get_the_id() ), $matches );
				$post_cards = array_merge( $post_cards, $matches[1] );
			}

			if ( isset( $post_type_names[ $post_type ] ) ) {
				$post_type_name = $post_type_names[ $post_type ];
			} else {
				$post_type_name = ucwords( $post_type );
			}

			if ( '#' !== $customize_url && apply_filters( 'fusion_load_live_editor', true ) ) {
				$admin_bar->add_node(
					[
						'parent' => 'fb-edit',
						'id'     => 'fb-edit-page',
						/* translators: Name of post type. */
						'title'  => sprintf( __( 'Edit %s', 'fusion-builder' ), esc_html( $post_type_name ) ),
						'href'   => $customize_url,
					]
				);

				$group_class_name = 'fb-edit-group';
			}

			if ( ! empty( $submenu_items ) ) {

				// Add a layout group.
				$args = [
					'id'     => 'awb-layout-group',
					'parent' => 'fb-edit',
					'meta'   => [ 'class' => 'awb-layout-group ' . $group_class_name ],
				];
				$admin_bar->add_group( $args );

				foreach ( $submenu_items as $item ) {
					$admin_bar->add_node(
						[
							'parent' => 'awb-layout-group',
							'id'     => 'fb-edit-' . $item['key'],
							'title'  => '<span class="awb-edit-item"><span class="awb-edit-name">' . esc_html( $item['name'] ) . '</span><span class="awb-edit-type">' . $item['label'] . '</span></span>',
							'href'   => add_query_arg( 'fb-edit', true, get_permalink( $item['template_id'] ) ),
						]
					);

					if ( ! empty( $item['layout_id'] ) && current_user_can( apply_filters( 'awb_role_manager_access_capability', 'manage_options', 'fusion_tb_layout' ) ) ) {
						$layout_id   = 'global' === $item['layout_id'] ? 0 : $item['layout_id'];
						$layout_name = isset( $layouts[ $layout_id ] ) ? $layouts[ $layout_id ]['title'] : '';
						$layout_id   = $item['layout_id'];
						$layout_link = '<a class="awb-edit-layout" href="' . esc_url( admin_url( 'admin.php?page=avada-layouts&layout=' . $layout_id ) ) . '" target="_blank">' . esc_html( $layout_name ) . '</a>';

						$admin_bar->add_node(
							[
								'parent' => 'fb-edit-' . $item['key'],
								'id'     => 'fb-edit-layout-' . $item['key'],
								/* translators: Number of layout. */
								'title'  => sprintf( __( 'Edit Layout: %s', 'fusion-builder' ), esc_html( $layout_name ) ),
								'href'   => esc_url( admin_url( 'admin.php?page=avada-layouts&layout=' . $layout_id ) ),
								'meta'   => [
									'target' => '_blank',
								],
							]
						);
					}
				}
			} elseif ( current_user_can( apply_filters( 'awb_role_manager_access_capability', 'manage_options', 'fusion_tb_layout' ) ) ) {

				// Add a layout group.
				$args = [
					'id'     => 'awb-layout-group',
					'parent' => 'fb-edit',
					'meta'   => [ 'class' => $group_class_name ],
				];
				$admin_bar->add_group( $args );

				$admin_bar->add_node(
					[
						'parent' => 'awb-layout-group',
						'id'     => 'fb-edit-layout',
						'title'  => '<span class="awb-edit-item"><span class="awb-edit-name">' . __( 'Use Layouts', 'fusion-builder' ) . '</span><span class="awb-edit-type">' . __( 'Manage', 'fusion-builder' ) . '</span></span>',
						'href'   => esc_url( admin_url( 'admin.php?page=avada-layouts' ) ),
						'meta'   => [
							'target' => '_blank',
						],
					]
				);
			}

			$group_class_name = 'fb-edit-group';

			// Add all forms.
			if ( current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_posts', 'fusion_form', 'live_builder_edit' ) ) && ! empty( $forms ) && $forms_enabled && function_exists( 'get_post_type' ) && 'fusion_form' !== $post_type ) {
				$args         = [
					'post_type'      => 'fusion_form',
					'post__in'       => $forms,
					'posts_per_page' => -1, // phpcs:ignore WPThemeReview.CoreFunctionality.PostsPerPage.posts_per_page_posts_per_page
					'post_status'    => 'publish',
				];
				$fusion_forms = get_posts( $args );

				if ( ! empty( $fusion_forms ) ) {

					// Add a form group.
					$args = [
						'id'     => 'awb-form-group',
						'parent' => 'fb-edit',
						'meta'   => [ 'class' => $group_class_name ],
					];
					$admin_bar->add_group( $args );

					foreach ( $fusion_forms as $index => $form ) {
						$element_post_id    = $form->ID;
						$element_post_title = $form->post_title;

						$admin_bar->add_node(
							[
								'parent' => 'awb-form-group',
								'id'     => 'fb-edit-form-' . $element_post_id,
								'title'  => '<span class="awb-edit-item"><span class="awb-edit-name">' . esc_html( $element_post_title ) . '</span><span class="awb-edit-type">' . esc_html__( 'Form', 'fusion-builder' ) . '</span></span>',
								'href'   => add_query_arg( 'fb-edit', true, get_permalink( $element_post_id ) ),
							]
						);
					}
				}
			}

			// Add all post cards.
			if ( current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_posts', 'avada_library', 'live_builder_edit' ) ) && ! empty( $post_cards ) && $post_cards_enabled && ( function_exists( 'get_post_type' ) && 'fusion_element' !== $post_type || function_exists( 'is_object_in_term' ) && is_object_in_term( get_the_ID(), 'element_category', 'post_cards' ) ) ) {
				$fusion_post_cards = get_posts(
					[
						'post_type'      => 'fusion_element',
						'post__in'       => $post_cards,
						'posts_per_page' => '-1', // phpcs:ignore WPThemeReview.CoreFunctionality.PostsPerPage.posts_per_page_posts_per_page
						'tax_query'      => [ // phpcs:ignore WordPress.DB.SlowDBQuery
							[
								'taxonomy' => 'element_category',
								'field'    => 'slug',
								'terms'    => 'post_cards',
							],
						],
					]
				);

				if ( ! empty( $fusion_post_cards ) ) {

					// Add a post card group.
					$args = [
						'id'     => 'awb-post-card-group',
						'parent' => 'fb-edit',
						'meta'   => [ 'class' => $group_class_name ],
					];
					$admin_bar->add_group( $args );

					foreach ( $fusion_post_cards as $card ) {
						$element_post_id    = $card->ID;
						$element_post_title = $card->post_title;

						$admin_bar->add_node(
							[
								'parent' => 'awb-post-card-group',
								'id'     => 'fb-edit-post-card-' . $element_post_id,
								'title'  => '<span class="awb-edit-item"><span class="awb-edit-name">' . esc_html( $element_post_title ) . '</span><span class="awb-edit-type">' . esc_html__( 'Post Card', 'fusion-builder' ) . '</span></span>',
								'href'   => add_query_arg( 'fb-edit', true, get_permalink( $element_post_id ) ),
							]
						);
					}
				}
			}

			// Add all mega menus.
			if ( current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_posts', 'avada_library', 'live_builder_edit' ) ) && ( function_exists( 'get_post_type' ) && 'fusion_element' !== $post_type || function_exists( 'is_object_in_term' ) && is_object_in_term( get_the_ID(), 'element_category', 'mega_menus' ) ) ) {
				$fusion_mega_menus = get_posts(
					[
						'post_type'      => 'fusion_element',
						'posts_per_page' => '-1', // phpcs:ignore WPThemeReview.CoreFunctionality.PostsPerPage.posts_per_page_posts_per_page
						'tax_query'      => [ // phpcs:ignore WordPress.DB.SlowDBQuery
							[
								'taxonomy' => 'element_category',
								'field'    => 'slug',
								'terms'    => 'mega_menus',
							],
						],
					]
				);

				if ( ! empty( $fusion_mega_menus ) ) {

					// Add a mega menus group.
					$args = [
						'id'     => 'awb-mega-menus-group',
						'parent' => 'fb-edit',
						'meta'   => [ 'class' => $group_class_name ],
					];
					$admin_bar->add_group( $args );

					foreach ( $fusion_mega_menus as $mega_menu ) {
						$element_post_id    = $mega_menu->ID;
						$element_post_title = $mega_menu->post_title;

						$admin_bar->add_node(
							[
								'parent' => 'awb-mega-menus-group',
								'id'     => 'fb-edit-mega-menu-' . $element_post_id,
								'title'  => '<span class="awb-edit-item"><span class="awb-edit-name">' . esc_html( $element_post_title ) . '</span><span class="awb-edit-type">' . esc_html__( 'Mega Menu', 'fusion-builder' ) . '</span></span>',
								'href'   => add_query_arg( 'fb-edit', true, get_permalink( $element_post_id ) ),
							]
						);
					}
				}
			}

			// Add all off canvas.
			if ( $off_canvas_enabled && current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_posts', 'awb_off_canvas', 'live_builder_edit' ) ) && ! is_admin() && function_exists( 'get_post_type' ) && 'awb_off_canvas' !== $post_type ) {
				$args         = [
					'post_type'      => 'awb_off_canvas',
					'posts_per_page' => -1, // phpcs:ignore WPThemeReview.CoreFunctionality.PostsPerPage.posts_per_page_posts_per_page
					'post_status'    => 'publish',
				];
				$off_canvases = get_posts( $args );

				if ( ! empty( $off_canvases ) ) {

					// Add a off-canvas group.
					$args = [
						'id'     => 'awb-off-canvas-group',
						'parent' => 'fb-edit',
						'meta'   => [ 'class' => $group_class_name ],
					];
					$admin_bar->add_group( $args );

					foreach ( $off_canvases as $off_canvas ) {
						$element_post_id    = $off_canvas->ID;
						$element_post_title = $off_canvas->post_title;

						$admin_bar->add_node(
							[
								'parent' => 'awb-off-canvas-group',
								'id'     => 'fb-edit-off-canvas-' . $element_post_id,
								'title'  => '<span class="awb-edit-item"><span class="awb-edit-name">' . esc_html( $element_post_title ) . '</span><span class="awb-edit-type">' . esc_html__( 'Off Canvas', 'fusion-builder' ) . '</span></span>',
								'href'   => add_query_arg( 'fb-edit', true, get_permalink( $element_post_id ) ),
							]
						);
					}
				}
			}
		}
	}

	/**
	 * Add preview frame body class.
	 *
	 * @access public
	 * @since 2.0
	 * @param array $classes classes being used.
	 * @return string
	 */
	public function preview_body_class( $classes ) {

		$classes[] = 'fusion-builder-live dont-animate';
		if ( is_preview_only() ) {
			$classes[] = 'fusion-builder-live-preview-only';
		} else {
			$classes[] = 'fusion-builder-live-preview';
		}

		$preferences = $this->preferences;

		if ( ! isset( $preferences::$preferences['droppables_visible'] ) || 'off' === $preferences::$preferences['droppables_visible'] ) {
			$classes[] = 'fusion-hide-droppables';
		}

		if ( ( isset( $preferences::$preferences['tooltips'] ) && 'off' === $preferences::$preferences['tooltips'] ) || 'awb_off_canvas' === get_post_type() ) {
			$classes[] = 'fusion-hide-all-tooltips';
		}

		if ( isset( $preferences::$preferences['element_filters'] ) && 'off' === $preferences::$preferences['element_filters'] ) {
			$classes[] = 'fusion-disable-element-filters';
		}

		if ( isset( $preferences::$preferences['sticky_header'] ) && 'off' === $preferences::$preferences['sticky_header'] ) {
			$classes[] = 'fusion-disable-sticky';
		}

		if ( isset( $preferences::$preferences['transparent_header'] ) && 'off' === $preferences::$preferences['transparent_header'] ) {
			$classes[] = 'fusion-no-absolute-containers';
		}

		if ( isset( $preferences::$preferences['element_transform'] ) && 'never' === $preferences::$preferences['element_transform'] ) {
			$classes[] = 'fusion-disable-element-transform';
		}

		if ( isset( $preferences::$preferences['element_transform'] ) && 'editing' === $preferences::$preferences['element_transform'] ) {
			$classes[] = 'fusion-element-transform-on-edit';
		}

		if ( isset( $preferences::$preferences['inline_dynamic_data_preview'] ) ) {
			$classes[] = 'awb-inline-dynamic-data-preview-' . $preferences::$preferences['inline_dynamic_data_preview'];
		} else {
			$classes[] = 'awb-inline-dynamic-data-preview-never';
		}

		return $classes;
	}

	/**
	 * Add preview frame html class.
	 *
	 * @access public
	 * @since 2.0
	 * @param array $classes classes being used.
	 * @return string
	 */
	public function preview_html_class( $classes ) {
		$preferences = $this->preferences;

		if ( isset( $preferences::$preferences['transparent_header'] ) && 'off' === $preferences::$preferences['transparent_header'] && in_array( 'avada-header-color-not-opaque', $classes, true ) ) {
			unset( $classes[ array_search( 'avada-header-color-not-opaque', $classes, true ) ] );
		}

		return $classes;
	}

	/**
	 * Add editor body class.
	 *
	 * @access public
	 * @since 2.0
	 * @param array $classes classes being used.
	 * @return string
	 */
	public function body_class( $classes ) {

		$preferences = $this->preferences;
		$classes     = [];
		$classes[]   = 'fusion-builder-live fusion-builder-module-settings-large wp-core-ui fb-customizer js';
		if ( wp_is_mobile() ) {
			$classes[] = 'mobile';
		}

		if ( ! current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_private_posts', 'avada_library', 'global_elements' ) ) ) {
			$classes[] = 'awb-global-restricted';
		}

		if ( isset( $preferences::$preferences['sidebar_position'] ) && 'right' === $preferences::$preferences['sidebar_position'] ) {
			$classes[] = 'sidebar-right';
		}

		if ( isset( $preferences::$preferences['tooltips'] ) && 'off' === $preferences::$preferences['tooltips'] ) {
			$classes[] = 'fusion-hide-all-tooltips';
		}

		if ( isset( $preferences::$preferences['element_filters'] ) && 'off' === $preferences::$preferences['element_filters'] ) {
			$classes[] = 'fusion-disable-element-filters';
		}

		if ( isset( $preferences::$preferences['element_transform'] ) && 'off' === $preferences::$preferences['element_transform'] ) {
			$classes[] = 'fusion-disable-element-transform';
		}

		if ( isset( $preferences::$preferences['options_subtabs'] ) && 'collapsed' === $preferences::$preferences['options_subtabs'] ) {
			$classes[] = 'fusion-options-subtabs-collapsed';
		}

		if ( is_rtl() ) {
			$classes[] = 'rtl';
		} else {
			$classes[] = 'ltr';
		}

		$classes[] = 'locale-' . sanitize_html_class( strtolower( str_replace( '_', '-', get_user_locale() ) ) );

		return $classes;
	}

	/**
	 * Partial refresh.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function fusion_app_partial_refresh() {
		check_ajax_referer( 'fusion_load_nonce', 'fusion_load_nonce' );

		$this->set_data();

		$this->emulate_wp_query();

		$return_data = [];

		// Emulate the page id.
		$post_id = $this->get_data( 'post_id' );
		if ( $post_id ) {
			add_filter(
				'fusion-page-id',
				function() use ( $post_id ) {
					return absint( $post_id );
				}
			);
		}

		$this->filter_core_settings();

		do_action( 'fusion_filter_data' );

		$partials = $this->get_data( 'partials' );
		if ( is_array( $partials ) ) {

			// WordPress core no-op helpers that may be used as a bare-string render callback.
			$allowed_wp_helpers = apply_filters(
				'awb_partial_refresh_allowed_wp_helpers',
				[
					'__return_null',
					'__return_empty_string',
					'__return_empty_array',
					'__return_false',
					'__return_true',
					'__return_zero',
				]
			);

			foreach ( $partials as $key => $partial ) {
				if ( ! isset( $partial['render_callback'] ) ) {
					continue;
				}
				$callback = $partial['render_callback'];
				$accept   = false;

				if ( is_array( $callback ) && 2 === count( $callback ) && isset( $callback[0], $callback[1] ) && is_string( $callback[0] ) && is_string( $callback[1] ) ) {
					// Array form "[ Class, method ]": accept if defined in a first-party source file.
					$accept = $this->awb_callback_is_first_party( $callback );
				} elseif ( is_string( $callback ) ) {
					// Bare function string: WP no-op helper, or a function defined in our source tree.
					// "Class::method" strings are intentionally rejected — our JS always uses array form.
					if ( false === strpos( $callback, '::' ) ) {
						$accept = in_array( $callback, $allowed_wp_helpers, true ) || $this->awb_callback_is_first_party( $callback );
					}
				}

				if ( $accept && is_callable( $callback ) ) {
					ob_start();
					call_user_func( $callback );
					$data                = ob_get_clean();
					$return_data[ $key ] = $data;
				}
			}
		}
		echo wp_json_encode( $return_data );
		wp_die();
	}

	/**
	 * Returns a JSON list of library elements (elements, sections, columns) for the command palette.
	 *
	 * @access public
	 * @since 3.15.3
	 * @return void
	 */
	public function awb_get_library_items() {
		check_ajax_referer( 'fusion_load_nonce', 'fusion_load_nonce' );

		if ( ! current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_posts', 'avada_library', 'live_builder_edit' ) ) ) {
			wp_send_json_error( [ 'message' => 'Permission check failed.' ] );
			wp_die();
		}

		$type_map = [
			'elements' => 'element',
			'sections' => 'section',
			'columns'  => 'column',
		];

		$items = [];

		foreach ( array_keys( $type_map ) as $term_slug ) {
			$query = new WP_Query( [
				'post_type'      => 'fusion_element',
				'posts_per_page' => 200,
				'post_status'    => 'publish',
				'orderby'        => 'title',
				'order'          => 'ASC',
				'tax_query'      => [ // phpcs:ignore WordPress.DB.SlowDBQuery
					[
						'taxonomy' => 'element_category',
						'field'    => 'slug',
						'terms'    => $term_slug,
					],
				],
			] );

			if ( $query->have_posts() ) {
				foreach ( $query->posts as $post ) {
					$items[] = [
						'id'        => $post->ID,
						'title'     => $post->post_title,
						'type'      => $type_map[ $term_slug ],
						'is_global' => 'yes' === get_post_meta( $post->ID, '_fusion_is_global', true ),
					];
				}
			}
			wp_reset_postdata();
		}

		echo wp_json_encode( $items );
		wp_die();
	}

	/**
	 * Resolve media attachment IDs from URLs, and URLs from "id|size" pairs (AJAX callback).
	 *
	 * @access public
	 * @since 3.16
	 * @return void
	 */
	public function awb_resolve_media_ids() {
		check_ajax_referer( 'fusion_load_nonce', 'fusion_load_nonce' );

		if ( ! current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_posts', 'avada_library', 'live_builder_edit' ) ) ) {
			wp_send_json_error( [ 'message' => 'Permission check failed.' ] );
			wp_die();
		}

		$urls  = isset( $_POST['urls'] ) ? (array) wp_unslash( $_POST['urls'] ) : []; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Each URL is sanitized in the loop below.
		$urls  = array_slice( $urls, 0, 100 );
		$pairs = isset( $_POST['pairs'] ) ? (array) wp_unslash( $_POST['pairs'] ) : []; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Each pair is sanitized in the loop below.
		$pairs = array_slice( $pairs, 0, 100 );

		$response = [
			'ids'  => [],
			'urls' => [],
		];

		// Results are returned in the same order the URLs and pairs were received in.
		foreach ( $urls as $url ) {
			$response['ids'][] = (int) Fusion_Images::get_attachment_id_from_url( esc_url_raw( (string) $url ) );
		}

		foreach ( $pairs as $pair ) {
			$parts = explode( '|', sanitize_text_field( (string) $pair ) );
			$id    = (int) $parts[0];
			$size  = isset( $parts[1] ) && '' !== $parts[1] ? $parts[1] : 'full';
			$url   = $id ? wp_get_attachment_image_url( $id, $size ) : false;

			$response['urls'][] = $url ? $url : '';
		}

		echo wp_json_encode( $response );
		wp_die();
	}

	/**
	 * Emulate changed core page or archive settings.
	 *
	 * @since 6.0.0
	 * @return void
	 */
	public function filter_core_settings() {
		global $post;

		$post_details = $this->get_data( 'post_details' );

		if ( is_array( $post_details ) ) {

			if ( false === strpos( $post_details['post_id'], '-archive' ) ) {

				// Update global post.
				foreach ( $post_details as $key => $value ) {
					if ( property_exists( $post, $key ) ) {
						$post->{ $key } = $value;
					}
				}

				// Filter post title.
				if ( isset( $post_details['post_title'] ) ) {
					add_filter(
						'the_title',
						function( $title, $id ) use ( $post_details ) {
							if ( $id === (int) $post_details['post_id'] ) {
								return $post_details['post_title'];
							}
							return $title;
						},
						10,
						2
					);
				}

				// Filter post format.
				$taxonomy_post_types = (array) apply_filters( 'fusion_taxonomy_post_type', [ 'post', 'avada_portfolio' ] );
				if ( in_array( $post_details['post_type'], $taxonomy_post_types, true ) ) {
					add_filter(
						'get_the_terms',
						function( $terms, $id, $taxonomy ) use ( $post_details ) {
							if ( $id === (int) $post_details['post_id'] && isset( $post_details[ $taxonomy ] ) ) {
								if ( 'post_format' === $taxonomy && isset( $terms[0] ) ) {
									$terms[0]->slug = 'post-format-' . $post_details['post_format'];
								} elseif ( ( is_array( $post_details[ $taxonomy ] ) && 0 < count( $post_details[ $taxonomy ] ) ) || ( is_string( $post_details[ $taxonomy ] ) && 0 < strlen( $post_details[ $taxonomy ] ) ) ) {
									$term_data = is_array( $post_details[ $taxonomy ] ) ? $post_details[ $taxonomy ] : explode( ',', $post_details[ $taxonomy ] );
									$term_data = array_map( 'intval', $term_data );
									$terms     = get_terms(
										[
											'taxonomy'   => $taxonomy,
											'hide_empty' => false,
											'include'    => $term_data,
										]
									);
								}

								return $terms;
							}

							return $terms;
						},
						10,
						3
					);
				}
			} else {

				// Filter the term values.
				add_filter(
					'get_term',
					function( $_term, $taxonomy ) use ( $post_details ) {
						if ( (int) str_replace( '-archive', '', $post_details['post_id'] ) === $_term->term_id ) {
							foreach ( $post_details as $key => $value ) {
								if ( property_exists( $_term, $key ) ) {
									$_term->{ $key } = $value;
								}
							}
						}
						return $_term;
					},
					10,
					2
				);

				// Filter for single term title.
				$type = false;
				if ( is_category() ) {
					$type = 'cat';
				} elseif ( is_tag() ) {
					$type = 'tag';
				} elseif ( is_tax() ) {
					$type = 'term';
				}

				if ( $type ) {
					add_filter(
						'single_' . $type . '_title',
						function( $title ) use ( $post_details ) {
							return $post_details['name'];
						}
					);
				}
			}
		}
	}

	/**
	 * Sets builder status.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function set_builder_status() {
		if ( isset( $_SERVER['REQUEST_URI'] ) && false !== strpos( $_SERVER['REQUEST_URI'], 'fb-edit' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput
			$this->is_builder = true;
		}
	}

	/**
	 * Gets builder status.
	 *
	 * @access public
	 * @since 2.0
	 * @return bool
	 */
	public function get_builder_status() {
		return $this->is_builder;
	}

	/**
	 * Sets preview status.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function set_preview_status() {
		$request_uri = ( isset( $_SERVER['REQUEST_URI'] ) ) ? $_SERVER['REQUEST_URI'] : false; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput
		if ( $request_uri && false !== strpos( $request_uri, 'builder=true' ) || ( false !== strpos( $request_uri, 'builder_id' ) && false !== strpos( $request_uri, 'fbpreview=true' ) ) ) {
			$this->is_preview = true;
		}
	}

	/**
	 * Gets preview only status.
	 *
	 * @access public
	 * @since 2.0
	 * @return bool
	 */
	public function get_preview_only_status() {
		return $this->has_data && 'fusion_app_preview_only' === $this->data['action'];
	}

	/**
	 * Sets ajax status.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function set_ajax_status() {
		if ( function_exists( 'wp_doing_ajax' ) ) {
			$this->is_ajax = wp_doing_ajax();
			return;
		}
		$this->is_ajax = defined( 'DOING_AJAX' ) && DOING_AJAX;
	}

	/**
	 * Gets preview status.
	 *
	 * @access public
	 * @since 2.0
	 * @return bool
	 */
	public function get_preview_status() {
		return $this->is_preview;
	}

	/**
	 * Gets ajax status.
	 *
	 * @access public
	 * @since 2.0
	 * @return bool
	 */
	public function get_ajax_status() {
		return $this->is_ajax;
	}

	/**
	 * Load the template files.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function load_templates() {
		include FUSION_LIBRARY_PATH . '/inc/fusion-app/templates/front-end-toolbar.php';
		include FUSION_LIBRARY_PATH . '/inc/fusion-app/templates/repeater-fields.php';
		include FUSION_LIBRARY_PATH . '/inc/fusion-app/templates/typography-set.php';
		include FUSION_LIBRARY_PATH . '/inc/fusion-app/templates/modal-dialog-more.php';
		include FUSION_LIBRARY_PATH . '/inc/fusion-app/templates/bulk-add.php';
	}

	/**
	 * Enqueue preview frame scripts.
	 *
	 * @access public
	 * @since 2.0
	 * @param mixed $hook The hook.
	 * @return void
	 */
	public function preview_live_scripts( $hook ) {
		global $fusion_library_latest_version;

		wp_enqueue_style( 'fusion-app-preview-frame-css', FUSION_LIBRARY_URL . '/inc/fusion-app/css/fusion-preview-frame.css', [], $fusion_library_latest_version );

		$min = '';
		if ( ( ! defined( 'FUSION_LIBRARY_DEV_MODE' ) || ! FUSION_LIBRARY_DEV_MODE ) ) {
			$min = '.min';
		}
		wp_enqueue_style( 'fusion-font-icomoon', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/fonts/icomoon' . $min . '.css', false, $fusion_library_latest_version, 'all' );

		if ( function_exists( 'AWB_Global_Colors' ) ) {
			AWB_Global_Colors()->enqueue();
		}

		// Media.
		wp_enqueue_media();
		wp_enqueue_style( 'forms' );
	}

	/**
	 * Enqueue scripts.
	 *
	 * @access public
	 * @since 2.0
	 * @param mixed $hook The hook.
	 * @return void
	 */
	public function live_scripts( $hook ) {
		global $fusion_library_latest_version, $fusion_settings;

		$builder_options = get_option( 'fusion_builder_settings', [] );

		// Compatibility with WP 5.2: These don't get loaded by default so if missing we need to include the post.php file.
		if ( ! function_exists( 'get_available_post_mime_types' ) || ! function_exists( 'get_available_post_mime_types' ) ) {
			require_once ABSPATH . '/wp-admin/includes/post.php';
		}

		$min = '';
		if ( ( ! defined( 'FUSION_LIBRARY_DEV_MODE' ) || ! FUSION_LIBRARY_DEV_MODE ) ) {
			$min = '.min';
		}

		// Authorization styling for logging back in.
		wp_enqueue_script( 'heartbeat' );
		wp_enqueue_style( 'wp-auth-check' );
		wp_enqueue_script( 'wp-auth-check' );

		wp_enqueue_script( 'jquery' );
		wp_enqueue_script( 'underscore' );
		wp_enqueue_script( 'backbone' );

		wp_enqueue_style( 'editor-buttons' );

		// Main styling.
		wp_enqueue_style( 'fusion-app-builder-frame-css', FUSION_LIBRARY_URL . '/inc/fusion-app/css/fusion-builder-frame' . $min . '.css', [], $fusion_library_latest_version );

		// Underscore util.
		wp_enqueue_script( 'wp-util' );

		// jQuery UI.
		wp_enqueue_script( 'jquery-ui-core' );
		wp_enqueue_script( 'jquery-ui-dialog' );
		wp_enqueue_script( 'jquery-ui-tabs' );
		wp_enqueue_script( 'jquery-ui-sortable' );
		wp_enqueue_script( 'jquery-ui-draggable' );
		wp_enqueue_script( 'jquery-ui-slider' );
		wp_enqueue_style( 'jquery-ui-css', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/css/jquery-ui/jquery-ui.min.css', false, $fusion_library_latest_version );

		// Font Awesome Search.
		wp_enqueue_script( 'fuse-script', FUSION_LIBRARY_URL . '/assets/min/js/library/fuse.js', [], $fusion_library_latest_version, false );
		wp_enqueue_script( 'fontawesome-search-script', FUSION_LIBRARY_URL . '/assets/fonts/fontawesome/js/icons-search-free.js', [], $fusion_library_latest_version, false );

		// FontAwesome.
		wp_enqueue_style( 'fontawesome', Fusion_Font_Awesome::get_backend_css_url(), [], $fusion_library_latest_version );

		if ( '1' === $fusion_settings->get( 'fontawesome_v4_compatibility' ) ) {
			wp_enqueue_script( 'fontawesome-shim-script', FUSION_LIBRARY_URL . '/assets/fonts/fontawesome/js/fa-v4-shims.js', [], $fusion_library_latest_version, false );

			wp_enqueue_style( 'fontawesome-shims', Fusion_Font_Awesome::get_backend_shims_css_url(), [], $fusion_library_latest_version );
		}

		// Fonts.
		wp_enqueue_style( 'fusion-font-icomoon', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/fonts/icomoon' . $min . '.css', false, $fusion_library_latest_version, 'all' );

		// Media.
		wp_enqueue_media();
		wp_enqueue_script( 'media-upload' );
		wp_enqueue_script( 'thickbox' );
		wp_enqueue_style( 'thickbox' );
		wp_enqueue_style( 'forms' );

		if ( function_exists( 'AWB_Global_Colors' ) ) {
			AWB_Global_Colors()->enqueue();
		}

		if ( function_exists( 'Avada_Studio_Colors' ) ) {
			Avada_Studio_Colors()->enqueue();
		}

		if ( function_exists( 'Avada_Studio_Typography' ) ) {
			Avada_Studio_Typography()->enqueue();
		}

		if ( function_exists( 'AWB_Global_Typography' ) ) {
			AWB_Global_Typography()->enqueue();
		}

		// Code Mirror.
		if ( function_exists( 'wp_enqueue_code_editor' ) ) {
			foreach ( [ 'text/html', 'text/css', 'application/javascript' ] as $mime_type ) {
				wp_enqueue_code_editor(
					[
						'type' => $mime_type,
					]
				);
			}
		} else {
			wp_enqueue_script( 'fusion-builder-codemirror-js', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/codemirror/codemirror.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion-builder-codemirror-js-mode', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/codemirror/modes/javascript/javascript.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion-builder-codemirror-css-mode', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/codemirror/modes/css/css.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion-builder-codemirror-xml-mode', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/codemirror/modes/xml/xml.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion-builder-codemirror-html-mode', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/codemirror/modes/htmlmixed/htmlmixed.js', [], $fusion_library_latest_version, true );
		}
		wp_enqueue_style( 'fusion-builder-codemirror-css', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/codemirror/codemirror.css', [], $fusion_library_latest_version, 'all' );

		// Date and time picker.
		wp_enqueue_script( 'awb-flatpickr', FUSION_LIBRARY_URL . '/assets/min/js/library/flatpickr.js', [], $fusion_library_latest_version, false );
		wp_localize_script(
			'awb-flatpickr',
			'awbFlatpickrVars',
			[
				'firstDay' => absint( get_option( 'start_of_week', 1 ) ),
				'hours'    => esc_html__( 'Hours', 'fusion-builder' ),
				'minutes'  => esc_html__( 'Minutes', 'fusion-builder' ),
				'seconds'  => esc_html__( 'Seconds', 'fusion-builder' ),
			]
		);
		wp_enqueue_style( 'awb-flatpickr', FUSION_LIBRARY_URL . '/assets/css/flatpickr.min.css', [], $fusion_library_latest_version, 'all' );
		wp_enqueue_style( 'awb-flatpickr-tweaks', FUSION_LIBRARY_URL . '/assets/css/awb-flatpickr-tweaks.min.css', [ 'awb-flatpickr' ], $fusion_library_latest_version, 'all' );

		// WP Editor.
		wp_enqueue_script( 'fusion-builder-wp-editor-js', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/wpeditor/wp-editor.js', [], $fusion_library_latest_version, true );

		// The noUi Slider.
		wp_enqueue_style( 'avadaredux-nouislider-css', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/css/nouislider.css', [], $fusion_library_latest_version, 'all' );

		wp_enqueue_script( 'avadaredux-nouislider-js', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/nouislider/nouislider.min.js', [], $fusion_library_latest_version, true );
		wp_enqueue_script( 'wnumb-js', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/wNumb.js', [ 'jquery' ], $fusion_library_latest_version, true );

		// Live editor.
		wp_enqueue_script( 'medium-editor', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/medium-editor.min.js', [], $fusion_library_latest_version, false );
		wp_enqueue_script( 'rangy-core', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/rangy-core.js', [], $fusion_library_latest_version, false );
		wp_enqueue_script( 'rangy-classapplier', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/rangy-classapplier.js', [], $fusion_library_latest_version, false );
		wp_enqueue_script( 'fuse', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/fuse.min.js', [], $fusion_library_latest_version, false );
		wp_enqueue_script( 'webfont-loader', FUSION_LIBRARY_URL . '/inc/fusion-app/assets/js/webfontloader.js', [], $fusion_library_latest_version, false );

		// If we're not debugging, load the combined script.
		if ( ( ! defined( 'FUSION_LIBRARY_DEV_MODE' ) || ! FUSION_LIBRARY_DEV_MODE ) && ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ) ) {
			wp_enqueue_script( 'fusion_library_frontend_combined', FUSION_LIBRARY_URL . '/inc/fusion-app/fusion-frontend-combined.min.js', [ 'jquery', 'underscore', 'backbone' ], $fusion_library_latest_version, true );
			$localize_handle = 'fusion_library_frontend_combined';
		} else {
			wp_enqueue_script( 'cssua', FUSION_LIBRARY_URL . '/assets/min/js/library/cssua.js', [], $fusion_library_latest_version, false );
			wp_enqueue_script( 'fusion_app_toolbar', FUSION_LIBRARY_URL . '/inc/fusion-app/views/view-toolbar.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_dialog', FUSION_LIBRARY_URL . '/inc/fusion-app/model-dialog.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_validation', FUSION_LIBRARY_URL . '/inc/fusion-app/model-validation.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_callback_functions', FUSION_LIBRARY_URL . '/inc/fusion-app/model-callback-functions.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_dependencies', FUSION_LIBRARY_URL . '/inc/fusion-app/model-dependencies.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_model_view_manager', FUSION_LIBRARY_URL . '/inc/fusion-app/model-view-manager.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_active_states', FUSION_LIBRARY_URL . '/inc/fusion-app/model-active-states.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_hotkeys', FUSION_LIBRARY_URL . '/inc/fusion-app/model-hotkeys.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_util_js', FUSION_LIBRARY_URL . '/inc/fusion-app/util.js', [], $fusion_library_latest_version, true );

			wp_enqueue_script( 'fusion_app_inline_editor', FUSION_LIBRARY_URL . '/inc/fusion-app/model-inline-editor.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_inline_editor_manager', FUSION_LIBRARY_URL . '/inc/fusion-app/model-inline-editor-manager.js', [], $fusion_library_latest_version, true );

			// Options.
			wp_enqueue_script( 'fusion_app_option_linkselector', FUSION_LIBRARY_URL . '/inc/fusion-app/options/link-selector.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_linkselector_object', FUSION_LIBRARY_URL . '/inc/fusion-app/options/link-selector-object.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_media_upload', FUSION_LIBRARY_URL . '/inc/fusion-app/options/media-upload.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_placeholder', FUSION_LIBRARY_URL . '/inc/fusion-app/options/textfield-placeholder.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_date_picker', FUSION_LIBRARY_URL . '/inc/fusion-app/options/date-picker.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_color_picker', FUSION_LIBRARY_URL . '/inc/fusion-app/options/color-picker.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_icon_picker', FUSION_LIBRARY_URL . '/inc/fusion-app/options/icon-picker.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_code_block', FUSION_LIBRARY_URL . '/inc/fusion-app/options/code-block.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_dimension', FUSION_LIBRARY_URL . '/inc/fusion-app/options/dimension.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_select', FUSION_LIBRARY_URL . '/inc/fusion-app/options/select.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_ajax-select', FUSION_LIBRARY_URL . '/inc/fusion-app/options/ajax-select.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_multi_select', FUSION_LIBRARY_URL . '/inc/fusion-app/options/multi-select.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_editor', FUSION_LIBRARY_URL . '/inc/fusion-app/options/editor.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_checkbox_set', FUSION_LIBRARY_URL . '/inc/fusion-app/options/checkbox-set.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_radio_set', FUSION_LIBRARY_URL . '/inc/fusion-app/options/radio-set.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_raw', FUSION_LIBRARY_URL . '/inc/fusion-app/options/raw.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_range', FUSION_LIBRARY_URL . '/inc/fusion-app/options/range.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_repeater', FUSION_LIBRARY_URL . '/inc/fusion-app/options/repeater.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_switch', FUSION_LIBRARY_URL . '/inc/fusion-app/options/switch.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_typography', FUSION_LIBRARY_URL . '/inc/fusion-app/options/typography.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_import', FUSION_LIBRARY_URL . '/inc/fusion-app/options/import.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_export', FUSION_LIBRARY_URL . '/inc/fusion-app/options/export.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_sortable', FUSION_LIBRARY_URL . '/inc/fusion-app/options/sortable.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_sortable_text', FUSION_LIBRARY_URL . '/inc/fusion-app/options/sortable-text.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_connected_sortable', FUSION_LIBRARY_URL . '/inc/fusion-app/options/connected-sortable.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_color_palette', FUSION_LIBRARY_URL . '/inc/fusion-app/options/color-palette.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_typography_sets', FUSION_LIBRARY_URL . '/inc/fusion-app/options/typography-sets.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_column_width', FUSION_LIBRARY_URL . '/inc/fusion-app/options/column-width.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_form_options', FUSION_LIBRARY_URL . '/inc/fusion-app/options/form-options.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_fusion_logics', FUSION_LIBRARY_URL . '/inc/fusion-app/options/fusion-logics.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_auth_map', FUSION_LIBRARY_URL . '/inc/fusion-app/options/auth-map.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_hubspot_map', FUSION_LIBRARY_URL . '/inc/fusion-app/options/hubspot-map.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_hubspot_consent_map', FUSION_LIBRARY_URL . '/inc/fusion-app/options/hubspot-consent-map.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_mailchimp_map', FUSION_LIBRARY_URL . '/inc/fusion-app/options/mailchimp-map.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_image_focus_point', FUSION_LIBRARY_URL . '/inc/fusion-app/options/image-focus-point.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_toggle', FUSION_LIBRARY_URL . '/inc/fusion-app/options/toggle.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_layout_conditions', FUSION_LIBRARY_URL . '/inc/fusion-app/options/layout-conditions.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_nominatimselector', FUSION_LIBRARY_URL . '/inc/fusion-app/options/nominatim-selector.js', [], $fusion_library_latest_version, true );
			wp_enqueue_script( 'fusion_app_option_textarea', FUSION_LIBRARY_URL . '/inc/fusion-app/options/textarea.js', [], $fusion_library_latest_version, true );

			wp_enqueue_script( 'fusion-extra-panel-functions', FUSION_LIBRARY_URL . '/inc/fusion-app/callbacks.js', [], $fusion_library_latest_version, true );

			wp_enqueue_script( 'fusion_app_modal_dialog_more', FUSION_LIBRARY_URL . '/inc/fusion-app/views/view-dialog-more-options.js', [], $fusion_library_latest_version, true );

			wp_enqueue_script( 'awb_command_palette', FUSION_LIBRARY_URL . '/inc/fusion-app/views/view-command-palette.js', [], $fusion_library_latest_version, true );

			// Fusion App.
			wp_enqueue_script( 'fusion_app', FUSION_LIBRARY_URL . '/inc/fusion-app/fusion-app.js', [], $fusion_library_latest_version, true );
			$localize_handle = 'fusion_app';
		}

		$fusion_load_nonce        = false;
		$_post_type               = get_post_type();
		$can_manage_options       = current_user_can( apply_filters( 'awb_role_manager_access_capability', 'manage_options', 'awb_global_options' ) );
		$can_edit_in_live_builder = current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_', $_post_type, 'live_builder_edit' ) );
		
		if ( $can_manage_options || $can_edit_in_live_builder ) {
			$fusion_load_nonce = wp_create_nonce( 'fusion_load_nonce' );
		}
		// Localize Scripts.
		wp_localize_script(
			$localize_handle,
			'fusionAppConfig',
			[
				'ajaxurl'                => admin_url( 'admin-ajax.php' ),
				'admin_url'              => admin_url(),
				'fusion_load_nonce'      => $fusion_load_nonce,
				'fontawesomeicons'       => fusion_get_icons_array(),
				'studio_status'          => class_exists( 'AWB_Studio' ) && AWB_Studio::is_studio_enabled(),
				'customIcons'            => fusion_get_custom_icons_array(),
				'includes_url'           => includes_url(),
				'fusion_library_url'     => esc_url_raw( FUSION_LIBRARY_URL ),
				'fusion_web_fonts'       => apply_filters( 'fusion_live_initial_google_fonts', true ) ? $this->get_googlefonts_ajax() : false,
				'widget_element_enabled' => function_exists( 'fusion_is_element_enabled' ) && fusion_is_element_enabled( 'fusion_widget' ),
				'predefined_choices'     => apply_filters( 'fusion_predefined_choices', [] ),
				'builder_type'           => isset( $builder_options['enable_builder_ui_by_default'] ) ? $builder_options['enable_builder_ui_by_default'] : 'backend',
				'posts_per_page'         => get_option( 'posts_per_page' ), // phpcs:ignore WPThemeReview, WordPress -- Normal number.
				'removeEmptyAttributes'  => isset( $builder_options['remove_empty_attributes'] ) ? $builder_options['remove_empty_attributes'] : 'off',
				'post_lock_data'         => $this->get_post_lock_data(),
			]
		);

		wp_localize_script(
			$localize_handle,
			'builderConfig',
			[
				'fusion_builder_plugin_dir' => defined( 'FUSION_BUILDER_PLUGIN_URL' ) ? FUSION_BUILDER_PLUGIN_URL : '',
				'allowed_post_types'        => class_exists( 'FusionBuilder' ) ? FusionBuilder()->allowed_post_types() : [],
				'disable_encoding'          => get_option( 'avada_disable_encoding' ),
			]
		);

		// Localize scripts. Text strings.
		wp_localize_script( $localize_handle, 'fusionBuilderText', fusion_app_textdomain_strings() );

		// Allow other components to add scripts and styles to builder window.
		do_action( 'fusion_enqueue_live_scripts' );
	}

	/**
	 * Save post content.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function fusion_app_save_post_content() {

		if ( ! is_user_logged_in() ) {
			wp_send_json_error( [ 'failure' => 'logged_in' ] );
			wp_die();
		}

		if ( ! isset( $_POST['fusion_load_nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['fusion_load_nonce'] ) ), 'fusion_load_nonce' ) ) {
			wp_send_json_error( [ 'failure' => 'nonce_check' ] );
			wp_die();
		}

		$this->set_data();

		// Save the shared post details.
		$post_id      = $this->get_data( 'post_id' );
		$post_content = $this->get_data( 'post_content' );
		$post_details = $this->get_data( 'post_details' );
		$post_type    = get_post_type( $post_id );

		if ( ( false !== $post_content || false !== $post_details ) && $post_id && '' !== $post_id && false === strpos( $post_id, '-archive' ) ) {
			if ( ! current_user_can( apply_filters( 'awb_role_manager_access_capability', 'edit_', $post_type, 'live_builder_edit', $post_id ), $post_id ) ) {
				$this->add_save_data( 'content', false, esc_html__( 'You do not have permission to edit this post.', 'fusion-builder' ) );
			} else {
				$post = [
					'ID' => $post_id,
				];

				if ( $post_details ) {

					// Post-Title.
					if ( isset( $post_details['post_title'] ) ) {
						$post['post_title'] = $post_details['post_title'];
					}

					// Post-Permalink.
					if ( isset( $post_details['post_name'] ) ) {
						$post['post_name'] = sanitize_title( $post_details['post_name'] );
					}

					// Post Status.
					if ( isset( $post_details['post_status'] ) ) {
						$post['post_status'] = sanitize_key( $post_details['post_status'] );
					}

					// Parent post.
					if ( is_post_type_hierarchical( $post_type ) ) {
						if ( isset( $post_details['post_parent'] ) ) {
							$post['post_parent'] = sanitize_key( $post_details['post_parent'] );
						}
					}

					// Post Order.
					if ( isset( $post_details['menu_order'] ) && ! empty( $post_details['menu_order'] ) ) {
						$post['menu_order'] = absint( $post_details['menu_order'] );
					}

					// Post Format.
					if ( isset( $post_details['post_format'] ) && ! empty( $post_details['post_format'] ) ) {
						set_post_format( $post_id, sanitize_key( $post_details['post_format'] ) );
					}

					// Post taxonomies.
					$taxonomy_post_types = (array) apply_filters( 'fusion_taxonomy_post_type', [ 'post', 'avada_portfolio' ] );
					if ( in_array( $post_details['post_type'], $taxonomy_post_types, true ) ) {
						$post_taxonomies = get_object_taxonomies( $post_details['post_type'], 'objects' );
						foreach ( $post_taxonomies as $taxonomy ) {
							if ( 'post_format' !== $taxonomy->name ) {
								if ( is_null( $post_details[ $taxonomy->name ] ) ) {

									// If term data is null, we want to remove the whole terms from the post.
									$term_data = $post_details[ $taxonomy->name ];
								} else {
									$term_data = is_array( $post_details[ $taxonomy->name ] ) ? $post_details[ $taxonomy->name ] : explode( ',', $post_details[ $taxonomy->name ] );
									$term_data = array_map( 'intval', $term_data );
								}
								wp_set_object_terms( $post_id, $term_data, $taxonomy->name );
							}
						}
					}

					// Post Excerpt.
					if ( isset( $post_details['post_excerpt'] ) ) {
						$post['post_excerpt'] = sanitize_textarea_field( $post_details['post_excerpt'] );
					}

					// Post Author. Requires the stricter edit_others_posts capability for this post type.
					if ( isset( $post_details['post_author'] ) ) {
						$post_type_object = get_post_type_object( $post_type );
						if ( $post_type_object && current_user_can( $post_type_object->cap->edit_others_posts ) ) {
							$author_id = absint( $post_details['post_author'] );
							if ( $author_id && get_userdata( $author_id ) ) {
								$post['post_author'] = $author_id;
							}
						}
					}
				}

				$update_post = wp_update_post( apply_filters( 'fusion_save_post_object', $post ), true );
				if ( is_wp_error( $update_post ) ) {
					$this->add_save_data( 'content', false, $update_post->get_error_messages() );
				} else {
					$this->add_save_data( 'content', true, esc_html__( 'The page contents updated.', 'fusion-builder' ) );
				}
			}
		} elseif ( $post_id && '' !== $post_id && false !== strpos( $post_id, '-archive' ) ) {

			$term_id = (int) str_replace( 'archive-', '', $post_id );
			if ( ! current_user_can( 'manage_categories', $term_id ) ) {
				$this->add_save_data( 'content', false, esc_html__( 'You do not have permission to edit this archive.', 'fusion-builder' ) );
			} else {
				$term_data    = get_term( $term_id );
				$term_details = [];
				$term         = [];

				if ( $post_details ) {
					$term_details = $post_details;

					// Term Name.
					if ( isset( $term_details['name'] ) ) {
						$term['name'] = $term_details['name'];
					}

					// Term Slug.
					if ( isset( $term_details['slug'] ) ) {
						$term['slug'] = sanitize_title( $term_details['slug'] );
					}

					// Term Description.
					if ( isset( $term_details['description'] ) ) {
						$term['description'] = $term_details['description'];
					}

					// Term Parent.
					if ( is_taxonomy_hierarchical( $term_data->taxonomy ) ) {
						if ( isset( $term_details['parent'] ) ) {
							$term['parent'] = sanitize_key( $term_details['parent'] );
						}
					}

					$update_term = wp_update_term( $term_id, $term_data->taxonomy, apply_filters( 'fusion_save_term_object', $term ) );
					if ( is_wp_error( $update_term ) ) {
						$this->add_save_data( 'content', false, $update_term->get_error_messages() );
					} else {
						$this->add_save_data( 'content', true, esc_html__( 'The archive details updated.', 'fusion-builder' ) );
					}
				}
			}
		}

		do_action( 'fusion_save_post' );

		do_action( 'fusion_builder_custom_save' );

		$save_data = apply_filters( 'fusion_save_data', $this->save_data );
		wp_send_json_success( $save_data );

		wp_die();
	}

	/**
	 * Used to set success, failure and message for each module being saved.
	 *
	 * @access public
	 * @since 3.0.10
	 * @param string  $context  The context/module name being saved.
	 * @param boolean $success  Whether the save was successful.
	 * @param mixed   $message  The message or messages to describe save.
	 * @return void
	 */
	public function add_save_data( $context, $success, $message ) {
		$existing_data = $this->save_data;
		$type          = $success ? 'success' : 'failure';

		// Create new entry.
		$new_data[ $type ][ $context ] = $message;

		// Merge in the new data.
		$this->save_data = array_merge_recursive( $new_data, $existing_data );
	}

	/**
	 * This is fired via AJAX to return an array of added terms.
	 *
	 * @access public
	 * @since 3.0.10
	 * @return void|array
	 */
	public function fusion_multiselect_addnew() {
		check_ajax_referer( 'fusion_load_nonce', 'fusion_load_nonce' );

		$values = '';
		if ( isset( $_POST['values'] ) ) {
			$values = wp_unslash( $_POST['values'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput
		}
		$taxonomy = '';
		if ( isset( $_POST['taxonomy'] ) ) {
			$taxonomy = sanitize_text_field( wp_unslash( $_POST['taxonomy'] ) );
		}
		$selection = [];

		if ( ! empty( $values ) && is_array( $values ) ) {
			foreach ( $values as $value ) {
				$term_exists         = term_exists( trim( $value ), $taxonomy );
				$term_data           = null === $term_exists || 0 === $term_exists ? wp_insert_term( trim( $value ), $taxonomy ) : $term_exists;
				$selection[ $value ] = $term_data['term_id'];
			}
		}

		echo wp_json_encode( $selection );
		wp_die();
	}

	/**
	 * This is fired via AJAX to return an array of googlefonts.
	 *
	 * @access public
	 * @since 3.0.10
	 * @return void|array
	 */
	public function get_googlefonts_ajax() {

		$fusion_settings = awb_get_fusion_settings();

		// Get google-fonts.
		if ( null === self::$google_fonts || empty( self::$google_fonts ) ) {

			$fonts              = include FUSION_LIBRARY_PATH . '/inc/googlefonts-array.php';
			self::$google_fonts = [];
			if ( is_array( $fonts ) ) {
				foreach ( $fonts['items'] as $font ) {
					self::$google_fonts[ $font['family'] ] = [
						'label'    => $font['family'],
						'variants' => $font['variants'],
					];
				}
			}
		}
		$google_fonts = self::$google_fonts;

		// An array of all available variants.
		$all_variants = $this->get_variants_translations();

		// Format the array for use by the typography controls.
		$google_fonts_final = [];
		foreach ( $google_fonts as $family => $args ) {
			$variants = ( isset( $args['variants'] ) ) ? $args['variants'] : [ 'regular', '700' ];

			$available_variants = [];
			if ( is_array( $variants ) ) {
				foreach ( $variants as $variant ) {
					if ( array_key_exists( $variant, $all_variants ) ) {
						$available_variants[] = [
							'id'    => 'regular' === $variant ? '400' : $variant,
							'label' => $all_variants[ $variant ],
						];
					}
				}
			}

			$google_fonts_final[] = [
				'family'   => $family,
				'label'    => ( isset( $args['label'] ) ) ? $args['label'] : $family,
				'variants' => $available_variants,
			];
		}

		// Build the standard fonts.
		$standard_fonts       = [
			"-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue' ,sans-serif",
			"'Iowan Old Style', 'Apple Garamond', Baskerville, 'Times New Roman', 'Droid Serif', Times, 'Source Serif Pro', serif",
			"Menlo, Consolas, Monaco, 'Liberation Mono', 'Lucida Console', monospace",
			'Arial, Helvetica, sans-serif',
			"'Arial Black', Gadget, sans-serif",
			"'Bookman Old Style', serif",
			"'Comic Sans MS', cursive",
			'Courier, monospace',
			'Garamond, serif',
			'Georgia, serif',
			'Impact, Charcoal, sans-serif',
			"'Lucida Console', Monaco, monospace",
			"'Lucida Sans Unicode', 'Lucida Grande', sans-serif",
			"'MS Sans Serif', Geneva, sans-serif",
			"'MS Serif', 'New York', sans-serif",
			"'Palatino Linotype', 'Book Antiqua', Palatino, serif",
			'Tahoma,Geneva, sans-serif',
			"'Times New Roman', Times,serif",
			"'Trebuchet MS', Helvetica, sans-serif",
			'Verdana, Geneva, sans-serif',
		];
		$standard_fonts_final = [];
		$default_variants     = [
			[
				'id'    => '400',
				'label' => $all_variants['400'],
			],
			[
				'id'    => 'italic',
				'label' => $all_variants['italic'],
			],
			[
				'id'    => '700',
				'label' => $all_variants['700'],
			],
			[
				'id'    => '700italic',
				'label' => $all_variants['700italic'],
			],
		];
		foreach ( $standard_fonts as $font ) {
			$standard_fonts_final[] = [
				'family'      => $font,
				'label'       => $font,
				'is_standard' => true,
				'variants'    => $default_variants,
			];
		}

		$custom_fonts       = [];
		$custom_fonts_map   = [];
		$saved_custom_fonts = $fusion_settings->get( 'custom_fonts' );
		if ( ! empty( $saved_custom_fonts ) && is_array( $saved_custom_fonts ) && isset( $saved_custom_fonts['name'] ) && ! empty( $saved_custom_fonts['name'] ) ) {
			foreach ( $saved_custom_fonts['name'] as $key => $font ) {
				if ( empty( $font ) ) {
					continue;
				}
				$weight = ( isset( $saved_custom_fonts['font_weight'][ $key ] ) && '' !== $saved_custom_fonts['font_weight'][ $key ] ) ? $saved_custom_fonts['font_weight'][ $key ] : '400';
				$style  = ( isset( $saved_custom_fonts['font_style'][ $key ] ) && '' !== $saved_custom_fonts['font_style'][ $key ] ) ? $saved_custom_fonts['font_style'][ $key ] : 'normal';

				if ( '400' === $weight && 'italic' === $style ) {
					$variant_id = 'italic';
				} elseif ( 'italic' === $style ) {
					$variant_id = $weight . 'italic';
				} else {
					$variant_id = $weight;
				}

				if ( ! isset( $custom_fonts_map[ $font ] ) ) {
					$custom_fonts_map[ $font ] = [];
				}
				$is_duplicate = false;
				foreach ( $custom_fonts_map[ $font ] as $v ) {
					if ( $v['id'] === $variant_id ) {
						$is_duplicate = true;
						break;
					}
				}
				if ( ! $is_duplicate ) {
					$custom_fonts_map[ $font ][] = [
						'id'    => $variant_id,
						'label' => isset( $all_variants[ $variant_id ] ) ? $all_variants[ $variant_id ] : $variant_id,
					];
				}
			}
			foreach ( $custom_fonts_map as $font => $variants ) {
				$custom_fonts[] = [
					'family'   => $font,
					'label'    => $font,
					'variants' => $variants,
				];
			}
		}

		// Adobe Fonts.
		$adobe_fonts_data  = get_option( 'avada_adobe_fonts', [] );
		$adobe_fonts_final = [];
		foreach ( $adobe_fonts_data as $adobe_font_data ) {
			$adobe_font_item = [
				'family'   => $adobe_font_data['font_slug'],
				'label'    => $adobe_font_data['label'],
				'variants' => $adobe_font_data['variants'],
			];
			array_push( $adobe_fonts_final, $adobe_font_item );
		}

		$fonts_array = [
			'standard' => $standard_fonts_final,
			'google'   => $google_fonts_final,
			'adobe'    => $adobe_fonts_final,
			'custom'   => $custom_fonts,
		];

		if ( $this->is_ajax ) {
			echo wp_json_encode( $fonts_array );
			wp_die();
		}

		return $fonts_array;
	}

	/**
	 * Get the translations of the variants id.
	 *
	 * @return array
	 */
	public function get_variants_translations() {
		$all_variants = [
			'100'       => esc_html__( 'Ultra-Light 100', 'fusion-builder' ),
			'100light'  => esc_html__( 'Ultra-Light 100', 'fusion-builder' ),
			'100italic' => esc_html__( 'Ultra-Light 100 Italic', 'fusion-builder' ),
			'200'       => esc_html__( 'Light 200', 'fusion-builder' ),
			'200italic' => esc_html__( 'Light 200 Italic', 'fusion-builder' ),
			'300'       => esc_html__( 'Book 300', 'fusion-builder' ),
			'300italic' => esc_html__( 'Book 300 Italic', 'fusion-builder' ),
			'400'       => esc_html__( 'Normal 400', 'fusion-builder' ),
			'regular'   => esc_html__( 'Normal 400', 'fusion-builder' ),
			'italic'    => esc_html__( 'Normal 400 Italic', 'fusion-builder' ),
			'500'       => esc_html__( 'Medium 500', 'fusion-builder' ),
			'500italic' => esc_html__( 'Medium 500 Italic', 'fusion-builder' ),
			'600'       => esc_html__( 'Semi-Bold 600', 'fusion-builder' ),
			'600bold'   => esc_html__( 'Semi-Bold 600', 'fusion-builder' ),
			'600italic' => esc_html__( 'Semi-Bold 600 Italic', 'fusion-builder' ),
			'700'       => esc_html__( 'Bold 700', 'fusion-builder' ),
			'700italic' => esc_html__( 'Bold 700 Italic', 'fusion-builder' ),
			'800'       => esc_html__( 'Extra-Bold 800', 'fusion-builder' ),
			'800bold'   => esc_html__( 'Extra-Bold 800', 'fusion-builder' ),
			'800italic' => esc_html__( 'Extra-Bold 800 Italic', 'fusion-builder' ),
			'900'       => esc_html__( 'Ultra-Bold 900', 'fusion-builder' ),
			'900bold'   => esc_html__( 'Ultra-Bold 900', 'fusion-builder' ),
			'900italic' => esc_html__( 'Ultra-Bold 900 Italic', 'fusion-builder' ),
		];

		return $all_variants;
	}

	/**
	 * Gets all typography fonts.
	 *
	 * @since 3.7
	 * @return array
	 */
	public function get_typography_fonts() {
		$this->is_ajax = false;
		$fonts         = $this->get_googlefonts_ajax();
		$this->set_ajax_status();

		return $fonts;
	}

	/**
	 * Include preferences.
	 *
	 * @access public
	 * @since 3.0.10
	 * @return void
	 */
	public function set_preference() {
		require_once FUSION_LIBRARY_PATH . '/inc/fusion-app/class-fusion-preferences.php';
		$this->preferences = new Fusion_Preferences();
	}

	/**
	 * Adds an "Access-Control-Allow-Origin" meta in the <head> to avoid cross-site-scripting errors in the browser.
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function access_control_allow_origin() {
		echo '<meta http-equiv="Access-Control-Allow-Origin" content="' . esc_url_raw( site_url() ) . '">';
	}

	/**
	 * Adds authorization check html..
	 *
	 * @access public
	 * @since 2.0
	 * @return void
	 */
	public function fusion_authorization() {
		wp_auth_check_html();
	}


	/**
	 * Adds authorization check html.
	 *
	 * @access public
	 * @since 2.0
	 * @param array  $response  The Heartbeat response.
	 * @param array  $data      The $_POST data sent.
	 * @param string $screen_id The screen id.
	 * @return array $response  Reponse data.
	 */
	public function fusion_refresh_nonces( $response, $data, $screen_id ) {
		if ( ! current_user_can( 'manage_options' ) && ! current_user_can( 'edit_published_pages' ) && ! current_user_can( 'edit_published_posts' ) ) {
			return $response;
		}

		// TODO: add more checks here.
		$response['fusion_builder'] = [
			'fusion_load_nonce' => wp_create_nonce( 'fusion_load_nonce' ),
		];

		return $response;
	}

	/**
	 * Changes the global $wp_query to emulate the current page.
	 *
	 * @access public
	 * @since 6.0
	 * @return WP_Query
	 */
	public function emulate_wp_query() {
		global $wp_query, $wp_the_query, $post;

		$query = $this->get_data( 'query' );
		if ( $query ) {

			// Encode to json and then decode it so that we're sure everything (including all nested levels)
			// are formatted as an array and there are no onjects.
			$args = json_decode( wp_json_encode( $query ), true );

			$this->backup_wp_query = $wp_query;
			$wp_query              = new WP_Query( $args ); // phpcs:ignore WordPress.WP.GlobalVariablesOverride

			if ( fusion_doing_ajax() ) {
				$wp_the_query = $wp_query; // phpcs:ignore WordPress.WP.GlobalVariablesOverride
				$post_id      = $this->get_data( 'post_id' );
				$post_id      = $post_id ? $post_id : 0;
				$post         = get_post( $post_id ); // phpcs:ignore WordPress.WP.GlobalVariablesOverride
			}
			return $wp_query;
		}

		/**
		 * Fallback implementation in case there is no query arg.
		 */
		$post_id   = $this->get_data( 'post_id' );
		$post_id   = $post_id ? $post_id : 0;
		$post_type = get_post_type( $post_id );

		$args = [
			'p'         => $post_id,
			'post_type' => $post_type ? $post_type : 'any',
		];

		if ( false !== strpos( $args['p'], '-archive' ) ) {
			$term_id = absint( $args['p'] );
			$term    = get_term( $term_id );
			if ( is_object( $term ) && isset( $term->taxonomy ) ) {
				global $wp_taxonomies;
				$post_type = 'post';
				if ( isset( $wp_taxonomies[ $term->taxonomy ] ) ) {
					$post_types = $wp_taxonomies[ $term->taxonomy ]->object_type;
					$post_type  = $post_types[0];
				}

				$args = [
					'post_type' => $post_type,
					'tax_query' => [ // phpcs:ignore WordPress.DB.SlowDBQuery
						'taxonomy' => $term->taxonomy,
						'filed'    => 'slug',
						'terms'    => $term->slug,
					],
				];

				// Category query.
				if ( 'category' === $term->taxonomy ) {
					$args = [
						'category_name' => $term->slug,
					];
				}

				// Tag query.
				if ( 'tag' === $term->taxonomy ) {
					$args = [
						'tag' => $term->slug,
					];
				}
			}
		}

		$this->backup_wp_query = $wp_query;
		$wp_query              = new WP_Query( $args ); // phpcs:ignore WordPress.WP.GlobalVariablesOverride
		return $wp_query;
	}

	/**
	 * Restores the global $wp_query.
	 *
	 * @access public
	 * @since 6.2
	 * @return void
	 */
	public function restore_wp_query() {
		global $wp_query;

		if ( null !== $this->backup_wp_query ) {
			$wp_query = $this->backup_wp_query; // phpcs:ignore WordPress.WP.GlobalVariablesOverride
		}
	}

	/**
	 * Inject CSS vars to parent window.
	 *
	 * @access public
	 * @since 7.0
	 */
	public function inject_css_vars() {
		$fusion_settings = awb_get_fusion_settings();

		echo '<style type="text/css" id="fusion-parent-window-css-vars">';
		echo ':root{--small_screen_width:' . absint( $fusion_settings->get( 'visibility_small' ) ) . 'px;}';
		echo ':root{--medium_screen_width:' . absint( $fusion_settings->get( 'visibility_medium' ) ) . 'px;}';
		echo '</style>';
	}

	/**
	 * Adds necessary filters to load empty checkout page in live editor.
	 *
	 * @access public
	 * @since 7.8.1
	 */
	public function load_empty_checkout_page() {

		if ( $this->is_preview || $this->is_builder || ( defined( 'WC_DOING_AJAX' ) && WC_DOING_AJAX && isset( $_GET['wc-ajax'] ) && 'update_order_review' === $_GET['wc-ajax'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
			add_filter( 'woocommerce_checkout_redirect_empty_cart', '__return_false' );
			add_filter( 'woocommerce_checkout_update_order_review_expired', '__return_false' );
		}

	}

	/**
	 * Ajax Get post lock data.
	 *
	 * @access public
	 * @since 3.9.2
	 */
	public function ajax_get_post_lock_data() {
		check_ajax_referer( 'fusion_load_nonce', 'fusion_load_nonce' );
		$post_id  = ( isset( $_POST['post_id'] ) ) ? sanitize_text_field( wp_unslash( $_POST['post_id'] ) ) : '';
		$takeover = ( isset( $_POST['takeover'] ) ) ? sanitize_text_field( wp_unslash( $_POST['takeover'] ) ) : false;

		if ( $post_id ) {
			die( wp_json_encode( $this->get_post_lock_data( $post_id, $takeover ) ) );
		}

		die();
	}

	/**
	 * Get post lock data.
	 *
	 * @param WP_Post|int|null $post_id  Defaults to empty.
	 * @param bool             $takeover Defaults to false.
	 * @since 3.9.2
	 */
	public function get_post_lock_data( $post_id = '', $takeover = false ) {
		$post = get_post( $post_id );
		$data = [];

		if ( ! $post ) {
			return;
		}

		$user = null;

		if ( ! function_exists( 'wp_check_post_lock' ) ) {
			require_once ABSPATH . 'wp-admin/includes/post.php';
		}

		$user_id = wp_check_post_lock( $post->ID );

		if ( $user_id ) {
			$user = get_userdata( $user_id );
		}

		if ( ! $user ) {
			return null;
		}

		$sendback      = wp_get_referer();
		$sendback_text = __( 'Go back', 'fusion-builder' );

		if ( $takeover ) {
			$sendback = admin_url( 'edit.php' );

			if ( 'post' !== $post->post_type ) {
				$sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
			}
			$sendback_text = __( 'Back to', 'fusion-builder' ) . ' ' . get_post_type_object( $post->post_type )->labels->all_items;
		}


		$preview_link = get_preview_post_link( $post->ID );
		$preview_text = __( 'Preview', 'fusion-builder' );

		$takeover_text = __( 'Take Over', 'fusion-builder' );


		$data = [
			'back_link'     => esc_url( $sendback ),
			'back_text'     => esc_html( $sendback_text ),
			'preview_link'  => esc_url( $preview_link ),
			'preview_text'  => esc_html( $preview_text ),
			'takeover_text' => esc_html( $takeover_text ),
			'msg'           => __( 'is currently editing this post. Do you want to take over?', 'fusion-builder' ),
			'name'          => esc_html( $user->display_name ),
			'avatar'        => get_avatar( $user->ID, 64 ),
		];

		if ( $takeover ) {
			$data['msg']      = __( 'has taken over and is currently editing.', 'fusion-builder' );
			$data['is_taken'] = true;
		}

		return $data;
	}
}

/**
 * Instantiates the Fusion_App class.
 * Make sure the class is properly set-up.
 * The Fusion_App class is a singleton
 * so we can directly access the one true FusionBuilder object using this function.
 *
 * @since 2.0
 * @return Fusion_App
 */
function Fusion_App() { // phpcs:ignore WordPress.NamingConventions
	return Fusion_App::get_instance();
}