3 namespace Drupal\Core\Updater;
8 * Defines a class for updating themes using
9 * Drupal\Core\FileTransfer\FileTransfer classes via authorize.php.
11 class Theme extends Updater implements UpdaterInterface {
14 * Returns the directory where a theme should be installed.
16 * If the theme is already installed, drupal_get_path() will return a valid
17 * path and we should install it there. If we're installing a new theme, we
18 * always want it to go into /themes, since that's where all the
19 * documentation recommends users install their themes, and there's no way
20 * that can conflict on a multi-site installation, since the Update manager
21 * won't let you install a new theme if it's already found on your system,
22 * and if there was a copy in the top-level we'd see it.
25 * The absolute path of the directory.
27 public function getInstallDirectory() {
28 if ($this->isInstalled() && ($relative_path = drupal_get_path('theme', $this->name))) {
29 // The return value of drupal_get_path() is always relative to the site,
30 // so prepend DRUPAL_ROOT.
31 return DRUPAL_ROOT . '/' . dirname($relative_path);
34 // When installing a new theme, prepend the requested root directory.
35 return $this->root . '/' . $this->getRootDirectoryRelativePath();
42 public static function getRootDirectoryRelativePath() {
49 public function isInstalled() {
50 // Check if the theme exists in the file system, regardless of whether it
52 $themes = \Drupal::state()->get('system.theme.files', []);
53 return isset($themes[$this->name]);
59 public static function canUpdateDirectory($directory) {
60 $info = static::getExtensionInfo($directory);
62 return (isset($info['type']) && $info['type'] == 'theme');
66 * Determines whether this class can update the specified project.
68 * @param string $project_name
69 * The project to check.
73 public static function canUpdate($project_name) {
74 return (bool) drupal_get_path('theme', $project_name);
80 public function postInstall() {
81 // Update the theme info.
83 \Drupal::service('theme_handler')->rebuildThemeData();
89 public function postInstallTasks() {
90 // Since this is being called outside of the primary front controller,
91 // the base_url needs to be set explicitly to ensure that links are
92 // relative to the site root.
93 // @todo Simplify with https://www.drupal.org/node/2548095
98 'base_url' => $GLOBALS['base_url'],
103 '#url' => Url::fromRoute('system.themes_page'),
104 '#title' => t('Install newly added themes'),
107 '#url' => Url::fromRoute('system.admin'),
108 '#title' => t('Administration pages'),