class ThemeCacheContext

Same name and namespace in other branches
  1. 8.9.x core/lib/Drupal/Core/Cache/Context/ThemeCacheContext.php \Drupal\Core\Cache\Context\ThemeCacheContext
  2. 10 core/lib/Drupal/Core/Cache/Context/ThemeCacheContext.php \Drupal\Core\Cache\Context\ThemeCacheContext
  3. 11.x core/lib/Drupal/Core/Cache/Context/ThemeCacheContext.php \Drupal\Core\Cache\Context\ThemeCacheContext

Defines the ThemeCacheContext service, for "per theme" caching.

Cache context ID: 'theme'.

Hierarchy

Expanded class hierarchy of ThemeCacheContext

1 string reference to 'ThemeCacheContext'
core.services.yml in core/core.services.yml
core/core.services.yml
1 service uses ThemeCacheContext
cache_context.theme in core/core.services.yml
Drupal\Core\Cache\Context\ThemeCacheContext

File

core/lib/Drupal/Core/Cache/Context/ThemeCacheContext.php, line 13

Namespace

Drupal\Core\Cache\Context
View source 
class ThemeCacheContext implements CacheContextInterface {
    
    /**
     * The theme manager.
     *
     * @var \Drupal\Core\Theme\ThemeManagerInterface
     */
    protected $themeManager;
    
    /**
     * Constructs a new ThemeCacheContext service.
     *
     * @param \Drupal\Core\Theme\ThemeManagerInterface $theme_manager
     *   The theme manager.
     */
    public function __construct(ThemeManagerInterface $theme_manager) {
        $this->themeManager = $theme_manager;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function getLabel() {
        return t('Theme');
    }
    
    /**
     * {@inheritdoc}
     */
    public function getContext() {
        return $this->themeManager
            ->getActiveTheme()
            ->getName() ?: 'stark';
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCacheableMetadata() {
        return new CacheableMetadata();
    }

}

Members

Title Modifiers Object type Summary Overriden Title
ThemeCacheContext::$themeManager protected property The theme manager.
ThemeCacheContext::getCacheableMetadata public function Gets the cacheability metadata for the context. Overrides CacheContextInterface::getCacheableMetadata
ThemeCacheContext::getContext public function Returns the string representation of the cache context. Overrides CacheContextInterface::getContext
ThemeCacheContext::getLabel public static function Returns the label of the cache context. Overrides CacheContextInterface::getLabel
ThemeCacheContext::__construct public function Constructs a new ThemeCacheContext service.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.