function ThemeSettingsProvider::buildThemeSettings

Build a ThemeSettings object for a given theme.

File

core/lib/Drupal/Core/Extension/ThemeSettingsProvider.php, line 77

Class

ThemeSettingsProvider

Default implementation of the theme settings provider service.

Namespace

Code

protected function buildThemeSettings(string $theme) : ThemeSettings {
  // Create a theme settings object.
  $themeSettings = new ThemeSettings($theme);
  // Get the global settings from configuration.
  $themeSettings->setData($this->configFactory
    ->get('system.theme.global')
    ->get());
  // Get the values for the theme-specific settings from the .info.yml files
  // of the theme and all its base themes.
  $themes = $this->themeHandler
    ->listInfo();
  if (isset($themes[$theme])) {
    $themeObject = $themes[$theme];
    // Retrieve configured theme-specific settings, if any.
    try {
      if ($themeConfigSettings = $this->configFactory
        ->get($theme . '.settings')
        ->get()) {
        $themeSettings->merge($themeConfigSettings);
      }
    } catch (StorageException) {
    }
    // If the theme does not support a particular feature, override the
    // global setting and set the value to NULL.
    if (!empty($themeObject->info['features'])) {
      foreach (self::DEFAULT_THEME_FEATURES as $feature) {
        if (!in_array($feature, $themeObject->info['features'])) {
          $themeSettings->set('features.' . $feature, NULL);
        }
      }
    }
    // Generate the path to the logo image.
    if ($themeSettings->get('logo.use_default')) {
      $logo = $this->themeInitialization
        ->getActiveThemeByName($theme)
        ->getLogo();
      $themeSettings->set('logo.url', $this->fileUrlGenerator
        ->generateString($logo));
    }
    elseif ($logo_path = $themeSettings->get('logo.path')) {
      $themeSettings->set('logo.url', $this->fileUrlGenerator
        ->generateString($logo_path));
    }
    // Generate the path to the favicon.
    if ($themeSettings->get('features.favicon')) {
      $faviconPath = $themeSettings->get('favicon.path');
      if ($themeSettings->get('favicon.use_default')) {
        if (file_exists($favicon = $themeObject->getPath() . '/favicon.ico')) {
          $themeSettings->set('favicon.url', $this->fileUrlGenerator
            ->generateString($favicon));
        }
        else {
          $themeSettings->set('favicon.url', $this->fileUrlGenerator
            ->generateString('core/misc/favicon.ico'));
        }
      }
      elseif ($faviconPath) {
        $themeSettings->set('favicon.url', $this->fileUrlGenerator
          ->generateString($faviconPath));
      }
      else {
        $themeSettings->set('features.favicon', FALSE);
      }
    }
  }
  return $themeSettings;
}