blizz_vanisher-8.x-1.x-dev/src/Service/SoundcloudVanisher.php

<?php

namespace Drupal\blizz_vanisher\Service;

use Drupal\blizz_vanisher\Entity\ThirdPartyServiceEntityInterface;

/**
 * Class SoundcloudVanisher.
 *
 * @package Drupal\blizz_vanisher\Service
 */
class SoundcloudVanisher extends IframeVanisher implements IframeVanisherInterface {

  const SOUNDCLOUD_IFRAME_REGEX = '~(<iframe[^>]*?src=(\'|")[^\2]*?soundcloud\.com[^\2]*?\2[^>]*?>.*?</iframe>)~is';
  const FIND_MARKUP_ATTRIBUTES_REGEX = '~([a-z][a-z0-9\-_]*)(=([\'"])([^\3]*?)\3)?~is';

  /**
   * {@inheritdoc}
   */
  protected function getIframeSearchRegexPattern() {
    return self::SOUNDCLOUD_IFRAME_REGEX;
  }

  /**
   * {@inheritdoc}
   */
  protected function getReplacementMarkup(array $data, ThirdPartyServiceEntityInterface $entity) {
    $attributes = array_map(
      function ($key) use ($data) {
        return sprintf(
          'data-%s="%s"',
          $key,
          $data[$key]
        );
      },
      array_keys($data)
    );

    return sprintf(
      '<div class="soundcloud_player" %s> %s',
      implode(' ', $attributes),
      $entity->getInfo()
    );
  }

  /**
   * {@inheritdoc}
   */
  protected function getReplacementScript() {
    return '(tarteaucitron.job = tarteaucitron.job || []).push(\'soundcloud_player\');';
  }

  /**
   * {@inheritdoc}
   */
  public function getJavascript() {
    return <<<JS
function () {
  "use strict";
  tarteaucitron.fallback(['soundcloud_player'], function (x) {
    var attributes = {};
    
    for (var index in x.attributes) {
      var attributeName = x.attributes[index].name;
      if (typeof attributeName !== 'undefined' && attributeName.match(/^data\-/i)) {
        var attr = attributeName.split('-').pop();
        attributes[attr] = x.attributes[index].value; 
      }
    }
    
    if (typeof attributes.src === 'undefined') {
      return '';
    }
    
    var elem = document.createElement('iframe');
    for (var attr in attributes) {
      elem[attr] = attributes[attr];
    }
    
    return elem.outerHTML;
  });
}
JS;
  }

  /**
   * {@inheritdoc}
   */
  public function getFallbackJavascript() {
    return <<<JS
function () {
  var id = 'soundcloud_player';
  tarteaucitron.fallback(['soundcloud_player'], function (elem) {
    return tarteaucitron.engage(id);
  });
}
JS;
  }

  /**
   * {@inheritdoc}
   */
  protected function getIframeData($iframe) {
    $data = [];
    $ret = preg_match_all(self::FIND_MARKUP_ATTRIBUTES_REGEX, $iframe, $matches);
    if ($ret !== FALSE && $ret > 0) {
      $data = array_combine($matches[1], $matches[4]);
      unset($data['iframe']);
    }
    return $data;
  }

  /**
   * {@inheritdoc}
   */
  public function getCookies() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getVanisherName() {
    return 'soundcloud_player';
  }

  /**
   * {@inheritdoc}
   */
  public function __toString() {
    return 'Soundcloud Vanisher';
  }

}