ExtensionInstallStorage::getAllFolders

protected ExtensionInstallStorage::getAllFolders()

protected function getAllFolders() {
  if (!isset($this->folders)) {
    $this->folders = array();
    $this->folders += $this->getCoreNames();

    $install_profile = Settings::get('install_profile');
    $profile = drupal_get_profile();
    $extensions = $this->configStorage->read('core.extension');
    // @todo Remove this scan as part of https://www.drupal.org/node/2186491
    $listing = new ExtensionDiscovery(\Drupal::root());
    if (!empty($extensions['module'])) {
      $modules = $extensions['module'];
      // Remove the install profile as this is handled later.
      unset($modules[$install_profile]);
      $profile_list = $listing->scan('profile');
      if ($profile && isset($profile_list[$profile])) {
        // Prime the drupal_get_filename() static cache with the profile info
        // file location so we can use drupal_get_path() on the active profile
        // during the module scan.
        // @todo Remove as part of https://www.drupal.org/node/2186491
        drupal_get_filename('profile', $profile, $profile_list[$profile]->getPathname());
      }
      $module_list_scan = $listing->scan('module');
      $module_list = array();
      foreach (array_keys($modules) as $module) {
        if (isset($module_list_scan[$module])) {
          $module_list[$module] = $module_list_scan[$module];
        }
      }
      $this->folders += $this->getComponentNames($module_list);
    }
    if (!empty($extensions['theme'])) {
      $theme_list_scan = $listing->scan('theme');
      foreach (array_keys($extensions['theme']) as $theme) {
        if (isset($theme_list_scan[$theme])) {
          $theme_list[$theme] = $theme_list_scan[$theme];
        }
      }
      $this->folders += $this->getComponentNames($theme_list);
    }

    if ($this->includeProfile) {
      // The install profile can override module default configuration. We do
      // this by replacing the config file path from the module/theme with the
      // install profile version if there are any duplicates.
      if (isset($profile)) {
        if (!isset($profile_list)) {
          $profile_list = $listing->scan('profile');
        }
        if (isset($profile_list[$profile])) {
          $profile_folders = $this->getComponentNames(array($profile_list[$profile]));
          $this->folders = $profile_folders + $this->folders;
        }
      }
    }
  }
  return $this->folders;
}