system_page_attachments(array &$page)
Implements hook_page_attachments().
See also
template_preprocess_maintenance_page()
\Drupal\Core\EventSubscriber\ActiveLinkResponseFilter
File
- core/modules/system/system.module, line 547
- Configuration system that lets administrators modify the workings of the site.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | function system_page_attachments(array &$page) { // Ensure the same CSS is loaded in template_preprocess_maintenance_page(). $page['#attached']['library'][] = 'system/base'; if (\Drupal::service('router.admin_context')->isAdminRoute()) { $page['#attached']['library'][] = 'system/admin'; } // Attach libraries used by this theme. $active_theme = \Drupal::theme()->getActiveTheme(); foreach ($active_theme->getLibraries() as $library) { $page['#attached']['library'][] = $library; } // Attach favicon. if (theme_get_setting('features.favicon')) { $favicon = theme_get_setting('favicon.url'); $type = theme_get_setting('favicon.mimetype'); $page['#attached']['html_head_link'][][] = array( 'rel' => 'shortcut icon', 'href' => UrlHelper::stripDangerousProtocols($favicon), 'type' => $type, ); } // Get the major Drupal version. list($version, ) = explode('.', \Drupal::VERSION); // Attach default meta tags. $meta_default = array( // Make sure the Content-Type comes first because the IE browser may be // vulnerable to XSS via encoding attacks from any content that comes // before this META tag, such as a TITLE tag. 'system_meta_content_type' => array( '#tag' => 'meta', '#attributes' => array( 'charset' => 'utf-8', ), // Security: This always has to be output first. '#weight' => -1000, ), // Show Drupal and the major version number in the META GENERATOR tag. 'system_meta_generator' => array( '#type' => 'html_tag', '#tag' => 'meta', '#attributes' => array( 'name' => 'Generator', ), ), // Attach default mobile meta tags for responsive design. 'MobileOptimized' => array( '#tag' => 'meta', '#attributes' => array( 'name' => 'MobileOptimized', 'content' => 'width', ), ), 'HandheldFriendly' => array( '#tag' => 'meta', '#attributes' => array( 'name' => 'HandheldFriendly', 'content' => 'true', ), ), 'viewport' => array( '#tag' => 'meta', '#attributes' => array( 'name' => 'viewport', 'content' => 'width=device-width, initial-scale=1.0', ), ), ); foreach ($meta_default as $key => $value) { $page['#attached']['html_head'][] = [$value, $key]; } // Handle setting the "active" class on links by: // - loading the active-link library if the current user is authenticated; // - applying a response filter if the current user is anonymous. // @see \Drupal\Core\Link // @see \Drupal\Core\Utility\LinkGenerator::generate() // @see template_preprocess_links() // @see \Drupal\Core\EventSubscriber\ActiveLinkResponseFilter if (\Drupal::currentUser()->isAuthenticated()) { $page['#attached']['library'][] = 'core/drupal.active-link'; }} |
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