ThemeSwitchNegotiator.php in Domain Theme Switch 8

Namespace

Drupal\domain_theme_switch\Theme

File

src/Theme/ThemeSwitchNegotiator.php

<?php

namespace Drupal\domain_theme_switch\Theme;

use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Theme\ThemeNegotiatorInterface;
use Drupal\Core\Routing\AdminContext;
use Drupal\Core\Session\AccountInterface;
use Drupal\domain\DomainNegotiatorInterface;
use Drupal\Core\Config\ConfigFactoryInterface;

/**
 * Implements ThemeNegotiatorInterface.
 */
class ThemeSwitchNegotiator implements ThemeNegotiatorInterface {

  /**
   * Protected theme variable to set the default theme againt the domain.
   *
   * @var string
   *   Return theme name for the curret domain.
   */
  protected $defaultTheme = NULL;

  /**
   * Protected theme variable to set default theme against domain admin pages.
   *
   * @var string
   *   Return theme name for the current domain.
   */
  protected $adminTheme = NULL;

  /**
   * The route admin context to determine whether a route is an admin one.
   *
   * @var \Drupal\Core\Routing\AdminContext
   */
  protected $adminContext;

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $currentUser;

  /**
   * The Domain negotiator.
   *
   * @var \Drupal\domain\DomainNegotiatorInterface
   */
  protected $negotiator;

  /**
   * The config factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface
   */
  protected $configFactory;

  /**
   * Constructs a new EntityConverter.
   *
   * @param \Drupal\Core\Routing\AdminContext $admin_context
   *   The route admin context service.
   * @param \Drupal\Core\Session\AccountInterface $current_user
   *   The current user.
   * @param \Drupal\domain\DomainNegotiatorInterface $negotiator
   *   The domain negotiator.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The config factory.
   */
  public function __construct(AdminContext $admin_context, AccountInterface $current_user, DomainNegotiatorInterface $negotiator, ConfigFactoryInterface $config_factory) {
    $this->adminContext = $admin_context;
    $this->currentUser = $current_user;
    $this->negotiator = $negotiator;
    $this->configFactory = $config_factory;
  }

  /**
   * Whether this theme negotiator should be used to set the theme.
   *
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   The current route match object.
   *
   * @return bool
   *   TRUE if this negotiator should be used or FALSE to let other negotiators
   *   decide.
   */
  public function applies(RouteMatchInterface $route_match) {
    if (!($domain = $this->negotiator
      ->getActiveDomain())) {

      // Unable to determine active domain.
      return FALSE;
    }
    $config = $this->configFactory
      ->get('domain_theme_switch.settings');

    // Admin pages uses same theme by default.
    $this->defaultTheme = $this->adminTheme = $config
      ->get($domain
      ->id() . '_site');

    // Allow overriding admin theme for users having 'Use domain admin theme'
    // permission.
    if ($this->currentUser
      ->hasPermission('domain administration theme')) {
      $this->adminTheme = $config
        ->get($domain
        ->id() . '_admin');
    }
    return TRUE;
  }

  /**
   * Determine the active theme for the request.
   *
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   The current route match object.
   *
   * @return string|null
   *   The name of the theme, or NULL if other negotiators, like the configured
   *   default one, should be used instead.
   */
  public function determineActiveTheme(RouteMatchInterface $route_match) {
    return $this
      ->isAdminRouteUrl($route_match) === FALSE ? $this->defaultTheme : $this->adminTheme;
  }

  /**
   * Function check is admin route page.
   *
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   RouteMatchInterface Object.
   *
   * @return bool
   *   True if route is admin path.
   */
  private function isAdminRouteUrl(RouteMatchInterface $route_match) {
    return $this->adminContext
      ->isAdminRoute($route_match
      ->getRouteObject());
  }

}

Classes

Name	Description
ThemeSwitchNegotiator	Implements ThemeNegotiatorInterface.