ViewportResolver.php in Viewport 8

Namespace

Drupal\viewport

File

src/ViewportResolver.php

<?php

namespace Drupal\viewport;

use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Path\CurrentPathStack;
use Drupal\Core\Path\PathMatcherInterface;

/**
 * Provides a ViewportResolver.
 */
class ViewportResolver implements ViewportResolverInterface {

  /**
   * The patch matcher service.
   *
   * @var \Drupal\Core\Path\PathMatcherInterface
   */
  private $pathMatcher;

  /**
   * The current path stack service.
   *
   * @var \Drupal\Core\Path\CurrentPathStack
   */
  private $currentPathStack;

  /**
   * The config factory service.
   *
   * @var \Drupal\Core\Config\ImmutableConfig
   */
  private $viewportSettings;

  /**
   * Creates a new ViewportResolver.
   *
   * @param \Drupal\Core\Path\PathMatcherInterface $pathMatcher
   *   A path matcher service.
   * @param \Drupal\Core\Path\CurrentPathStack $currentPathStack
   *   The current path stack.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactoryInterface
   *   The configuration factory interface.
   */
  public function __construct(PathMatcherInterface $pathMatcher, CurrentPathStack $currentPathStack, ConfigFactoryInterface $configFactoryInterface) {
    $this->pathMatcher = $pathMatcher;
    $this->currentPathStack = $currentPathStack;
    $this->viewportSettings = $configFactoryInterface
      ->get('viewport.settings');
  }

  /**
   * {@inheritdoc}
   */
  public function isPathSelected($path = NULL) {
    if (is_null($path)) {
      $path = $this->currentPathStack
        ->getPath();
    }

    // Normalise the pages selected and the path looked for.
    $path = strtolower($path);
    $viewport_pages = strtolower($this->viewportSettings
      ->get('selected_pages'));

    // Check if current path is in the pages selected to have a custom viewport.
    $page_match = $this->pathMatcher
      ->matchPath($path, $viewport_pages);
    return $page_match;
  }

  /**
   * {@inheritdoc}
   */
  public function generateViewportTagArray() {
    $viewportSettings = $this->viewportSettings;
    $values_string = '';
    $values_string .= ($width = $viewportSettings
      ->get('width')) ? "width={$width}, " : '';
    $values_string .= ($height = $viewportSettings
      ->get('height')) ? "height={$height}, " : '';
    $values_string .= ($initial_scale = $viewportSettings
      ->get('initial_scale')) ? "initial-scale={$initial_scale}, " : '';
    $values_string .= ($minimum_scale = $viewportSettings
      ->get('minimum_scale')) ? "minimum-scale={$minimum_scale}, " : '';
    $values_string .= ($maximum_scale = $viewportSettings
      ->get('maximum_scale')) ? "maximum-scale={$maximum_scale}, " : '';
    $values_string .= $viewportSettings
      ->get('user_scalable') == TRUE ? "user-scalable=yes" : 'user-scalable=no';
    $viewport_tag = array(
      '#tag' => 'meta',
      '#attributes' => array(
        'name' => 'viewport',
        'content' => $values_string,
      ),
    );
    return $viewport_tag;
  }

}

Classes

Name	Description
ViewportResolver	Provides a ViewportResolver.