lupus_decoupled-1.x-dev/modules/lupus_decoupled_responsive_preview/lupus_decoupled_responsive_preview.module

<?php

/**
 * @file
 * General functions and hooks for Lupus Decoupled Responsive Preview.
 */

use Drupal\Component\Utility\UrlHelper;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;

/**
 * Implements hook_library_info_alter().
 */
function lupus_decoupled_responsive_preview_library_info_alter(&$libraries, $extension) {
  if ($extension == 'responsive_preview' && !empty($libraries['drupal.responsive-preview'])) {
    $module_path = \Drupal::service('extension.list.module')->getPath('lupus_decoupled_responsive_preview');
    $libraries['drupal.responsive-preview']['js']['/' . $module_path . '/js/lupus_decoupled_responsive_preview.js'] = [];
  }
}

/**
 * Implements hook_toolbar().
 */
function lupus_decoupled_responsive_preview_toolbar_alter(&$items) {
  if (isset($items['responsive_preview'])) {
    $responsivePreviewService = \Drupal::service('responsive_preview');
    $preview_url = $responsivePreviewService->getPreviewUrl() ?? '/';

    // ResponsivePreview::previewToolbar() sets an absolute path in the
    // drupalSettings 'url' value. It can however be overwritten to a relative
    // path, in which case our JS needs to prepend the front end base URL again.
    // Pass it in a separate setting.
    // @see \Drupal\responsive_preview\ResponsivePreview::handleAjaxDevicePreview()
    if (UrlHelper::isExternal($preview_url)) {
      $parse = parse_url($preview_url);
      $frontend_base_url = ($parse['scheme'] ?? 'https') . '://'
        . $parse['host'] . (isset($parse['port']) ? ':' . $parse['port'] : '');
      $items['responsive_preview']['#attached']['drupalSettings']['lupus_decoupled_frontend_url'] = $frontend_base_url;
    }
    else {
      $items['responsive_preview']['#attached']['drupalSettings']['lupus_decoupled_frontend_url'] = \Drupal::service('lupus_decoupled_ce_api.base_url_provider')
        ->getFrontendBaseUrl();
      $preview_url = 'internal:' . $preview_url;
    }

    // Add a preview link below the devices list, on the layout page. (The
    // 'regular node preview link' shouldn't be shared like this, because the
    // preview is only up-to-date after updating the node's state through a
    // POST request.)
    if (\Drupal::service('current_route_match')->getRouteName() === 'layout_builder.overrides.node.view') {
      $current_user = \Drupal::currentUser();
      $items['responsive_preview']['tab']['device_options']['#items']['preview_link'] = [
        '#type' => 'link',
        '#title' => t('Preview link'),
        '#url' => Url::fromUri($preview_url),
        '#access' => $current_user->hasPermission('access responsive preview'),
        '#attributes' => [
          'class' => ['responsive-preview-preview-link', 'responsive-preview-configure'],
        ],
      ];
    }
  }
}

/**
 * Implements hook_form_FORM_ID_alter() for seckit module settings form.
 */
function lupus_decoupled_responsive_preview_form_seckit_settings_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
  // Disable frame-ancestors directive, because it is handled by the
  // ContentSecurityEventSubscriber.
  $form['seckit_xss']['csp']['frame-ancestors']['#disabled'] = TRUE;
  $form['seckit_xss']['csp']['frame-ancestors']['#default_value'] = '';
  $form['seckit_xss']['csp']['frame-ancestors']['#description'] = t('This directive is handled by Lupus Decoupled Response Preview module.');
  $form['seckit_xss']['csp']['frame-src']['#disabled'] = TRUE;
  $form['seckit_xss']['csp']['frame-src']['#default_value'] = '';
  $form['seckit_xss']['csp']['frame-src']['#description'] = t('This directive is handled by Lupus Decoupled Response Preview module.');
}