diff core/includes/theme.maintenance.inc @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/includes/theme.maintenance.inc	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,138 @@
+<?php
+
+/**
+ * @file
+ * Theming for maintenance pages.
+ */
+
+use Drupal\Component\Utility\Unicode;
+use Drupal\Core\Site\Settings;
+
+/**
+ * Sets up the theming system for maintenance page.
+ *
+ * Used for site installs, updates and when the site is in maintenance mode.
+ * It also applies when the database is unavailable or bootstrap was not
+ * complete. Seven is always used for the initial install and update
+ * operations. In other cases, Bartik is used, but this can be overridden by
+ * setting a "maintenance_theme" key in the $settings variable in settings.php.
+ */
+function _drupal_maintenance_theme() {
+  // If the theme is already set, assume the others are set too, and do nothing.
+  if (\Drupal::theme()->hasActiveTheme()) {
+    return;
+  }
+
+  require_once __DIR__ . '/theme.inc';
+  require_once __DIR__ . '/common.inc';
+  require_once __DIR__ . '/unicode.inc';
+  require_once __DIR__ . '/file.inc';
+  require_once __DIR__ . '/module.inc';
+  require_once __DIR__ . '/database.inc';
+  Unicode::check();
+
+  // Install and update pages are treated differently to prevent theming overrides.
+  if (defined('MAINTENANCE_MODE') && (MAINTENANCE_MODE == 'install' || MAINTENANCE_MODE == 'update')) {
+    if (drupal_installation_attempted()) {
+      $custom_theme = $GLOBALS['install_state']['theme'];
+    }
+    else {
+      $custom_theme = Settings::get('maintenance_theme', 'seven');
+    }
+  }
+  else {
+    // Use the maintenance theme if specified, otherwise attempt to use the
+    // default site theme.
+    try {
+      $custom_theme = Settings::get('maintenance_theme', '');
+      if (!$custom_theme) {
+        $config = \Drupal::config('system.theme');
+        $custom_theme = $config->get('default');
+      }
+    }
+    catch (\Exception $e) {
+      // Whatever went wrong (often a database connection problem), we are
+      // about to fall back to a sensible theme so there is no need for special
+      // handling.
+    }
+    if (!$custom_theme) {
+      // We have been unable to identify the configured theme, so fall back to
+      // a safe default. Bartik is reasonably user friendly and fairly generic.
+      $custom_theme = 'bartik';
+    }
+  }
+
+  $themes = \Drupal::service('theme_handler')->listInfo();
+
+  // If no themes are installed yet, or if the requested custom theme is not
+  // installed, retrieve all available themes.
+  /** @var \Drupal\Core\Theme\ThemeInitialization $theme_init */
+  $theme_init = \Drupal::service('theme.initialization');
+  $theme_handler = \Drupal::service('theme_handler');
+  if (empty($themes) || !isset($themes[$custom_theme])) {
+    $themes = $theme_handler->rebuildThemeData();
+    $theme_handler->addTheme($themes[$custom_theme]);
+  }
+
+  // \Drupal\Core\Extension\ThemeHandlerInterface::listInfo() triggers a
+  // \Drupal\Core\Extension\ModuleHandler::alter() in maintenance mode, but we
+  // can't let themes alter the .info.yml data until we know a theme's base
+  // themes. So don't set active theme until after
+  // \Drupal\Core\Extension\ThemeHandlerInterface::listInfo() builds its cache.
+  $theme = $custom_theme;
+
+  // Find all our ancestor themes and put them in an array.
+  // @todo This is just a workaround. Find a better way how to handle themes
+  //   on maintenance pages, see https://www.drupal.org/node/2322619.
+  // This code is basically a duplicate of
+  // \Drupal\Core\Theme\ThemeInitialization::getActiveThemeByName.
+  $base_themes = [];
+  $ancestor = $theme;
+  while ($ancestor && isset($themes[$ancestor]->base_theme)) {
+    $base_themes[] = $themes[$themes[$ancestor]->base_theme];
+    $ancestor = $themes[$ancestor]->base_theme;
+    if ($ancestor) {
+      // Ensure that the base theme is added and installed.
+      $theme_handler->addTheme($themes[$ancestor]);
+    }
+  }
+  \Drupal::theme()->setActiveTheme($theme_init->getActiveTheme($themes[$custom_theme], $base_themes));
+  // Prime the theme registry.
+  Drupal::service('theme.registry');
+}
+
+/**
+ * Prepares variables for authorize.php operation report templates.
+ *
+ * This report displays the results of an operation run via authorize.php.
+ *
+ * Default template: authorize-report.html.twig.
+ *
+ * @param array $variables
+ *   An associative array containing:
+ *   - messages: An array of result messages.
+ */
+function template_preprocess_authorize_report(&$variables) {
+  $messages = [];
+  if (!empty($variables['messages'])) {
+    foreach ($variables['messages'] as $heading => $logs) {
+      $items = [];
+      foreach ($logs as $number => $log_message) {
+        if ($number === '#abort') {
+          continue;
+        }
+        $class = 'authorize-results__' . ($log_message['success'] ? 'success' : 'failure');
+        $items[] = [
+          '#wrapper_attributes' => ['class' => [$class]],
+          '#markup' => $log_message['message'],
+        ];
+      }
+      $messages[] = [
+        '#theme' => 'item_list',
+        '#items' => $items,
+        '#title' => $heading,
+      ];
+    }
+  }
+  $variables['messages'] = $messages;
+}