WP_Navigation_Block_Renderer::get_responsive_container_markup( array $attributes, WP_Block_List $inner_blocks, string $inner_blocks_html ): string

730<?php731	private static function get_responsive_container_markup( $attributes, $inner_blocks, $inner_blocks_html ) {732		$is_interactive  = static::is_interactive( $attributes, $inner_blocks );733		$colors          = block_core_navigation_build_css_colors( $attributes );734		$modal_unique_id = wp_unique_id( 'modal-' );735 736		$is_hidden_by_default = isset( $attributes['overlayMenu'] ) && 'always' === $attributes['overlayMenu'];737 738		// Set-up variables for custom overlays.739		$has_custom_overlay             = false;740		$close_button_markup            = '';741		$has_custom_overlay_close_block = false;742		$overlay_blocks_html            = '';743		$custom_overlay_markup          = '';744 745		// Check if an overlay template part is selected and render it.746		// This needs to happen before building classes so we know if overlay blocks actually exist.747		if ( ! empty( $attributes['overlay'] ) ) {748			// Get blocks from the overlay template part.749			$overlay_blocks = static::get_overlay_blocks_from_template_part( $attributes['overlay'], $attributes );750			// Render template part blocks directly without navigation container wrapper.751			$overlay_blocks_html = static::get_template_part_blocks_html( $overlay_blocks );752			// Check if overlay contains a navigation-overlay-close block (detect in rendered HTML so it works with patterns).753			$has_custom_overlay_close_block = block_core_navigation_overlay_html_has_close_block( $overlay_blocks_html );754			// Add Interactivity API directives to the overlay close block if present.755			if ( $has_custom_overlay_close_block && $is_interactive ) {756				$tags                = new WP_HTML_Tag_Processor( $overlay_blocks_html );757				$overlay_blocks_html = block_core_navigation_add_directives_to_overlay_close( $tags );758			}759			// Images in the overlay are hidden until the menu is opened. Pre-set760			// fetchpriority="low" so that when wp_filter_content_tags() processes the761			// parent template part, it sees the attribute already present and calls762			// wp_get_loading_optimization_attributes() with fetchpriority="low", which both prevents763			// fetchpriority="high" from being added and stops the LCP counter from being incremented.764			$overlay_blocks_html = block_core_navigation_set_overlay_image_fetch_priority( $overlay_blocks_html );765		}766 767		$has_custom_overlay = ! empty( $overlay_blocks_html );768 769		$responsive_container_classes = static::get_responsive_container_classes( $is_hidden_by_default, $has_custom_overlay, $colors );770 771		$open_button_classes = array(772			'wp-block-navigation__responsive-container-open',773			$is_hidden_by_default ? 'always-shown' : '',774		);775 776		$should_display_icon_label = isset( $attributes['hasIcon'] ) && true === $attributes['hasIcon'];777		$toggle_button_icon        = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M4 7.5h16v1.5H4z"></path><path d="M4 15h16v1.5H4z"></path></svg>';778		if ( isset( $attributes['icon'] ) ) {779			if ( 'menu' === $attributes['icon'] ) {780				$toggle_button_icon = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M5 5v1.5h14V5H5z"></path><path d="M5 12.8h14v-1.5H5v1.5z"></path><path d="M5 19h14v-1.5H5V19z"></path></svg>';781			}782		}783		$toggle_button_content       = $should_display_icon_label ? $toggle_button_icon : __( 'Menu' );784		$toggle_close_button_icon    = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" aria-hidden="true" focusable="false"><path d="m13.06 12 6.47-6.47-1.06-1.06L12 10.94 5.53 4.47 4.47 5.53 10.94 12l-6.47 6.47 1.06 1.06L12 13.06l6.47 6.47 1.06-1.06L13.06 12Z"></path></svg>';785		$toggle_close_button_content = $should_display_icon_label ? $toggle_close_button_icon : __( 'Close' );786		$toggle_aria_label_open      = $should_display_icon_label ? 'aria-label="' . __( 'Open menu' ) . '"' : ''; // Open button label.787		$toggle_aria_label_close     = $should_display_icon_label ? 'aria-label="' . __( 'Close menu' ) . '"' : ''; // Close button label.788 789		// Add Interactivity API directives to the markup if needed.790		$open_button_directives          = '';791		$responsive_container_directives = '';792		$responsive_dialog_directives    = '';793		$close_button_directives         = '';794		if ( $is_interactive ) {795			$open_button_directives                  = '796				data-wp-on--click="actions.openMenuOnClick"797				data-wp-on--keydown="actions.handleMenuKeydown"798			';799			$responsive_container_directives         = '800				data-wp-class--has-modal-open="state.isMenuOpen"801				data-wp-class--is-menu-open="state.isMenuOpen"802				data-wp-watch="callbacks.initMenu"803				data-wp-on--keydown="actions.handleMenuKeydown"804				data-wp-on--focusout="actions.handleMenuFocusout"805				tabindex="-1"806			';807			$responsive_dialog_directives            = '808				data-wp-bind--aria-modal="state.ariaModal"809				data-wp-bind--aria-label="state.ariaLabel"810				data-wp-bind--role="state.roleAttribute"