Club Drupal

<?php

/**

 * @file

 * Stub file for "html" theme hook [pre]process functions.

 */

/**

 * Pre-processes variables for the "html" theme hook.

 *

 * See template for list of available variables.

 *

 * @see html.tpl.php

 *

 * @ingroup theme_preprocess

 */

function bootstrap_preprocess_html(&$variables) {

  // Backport from Drupal 8 RDFa/HTML5 implementation.

  // @see https://www.drupal.org/node/1077566

  // @see https://www.drupal.org/node/1164926

  // Create a dedicated attributes array for the HTML element.

  // By default, core does not provide a way to target the HTML element.

  // The only arrays currently available technically belong to the BODY element.

  $variables['html_attributes_array'] = array(

    'lang' => $variables['language']->language,

    'dir' => $variables['language']->dir,

  );

  // Override existing RDF namespaces to use RDFa 1.1 namespace prefix bindings.

  if (function_exists('rdf_get_namespaces')) {

    $rdf = array('prefix' => array());

    foreach (rdf_get_namespaces() as $prefix => $uri) {

      $rdf['prefix'][] = $prefix . ': ' . $uri;

    }

    if (!$rdf['prefix']) {

      $rdf = array();

    }

    $variables['rdf_namespaces'] = drupal_attributes($rdf);

  }

  // Create a dedicated attributes array for the BODY element.

  if (!isset($variables['body_attributes_array'])) {

    $variables['body_attributes_array'] = array();

  }

  // Ensure there is at least a class array.

  if (!isset($variables['body_attributes_array']['class'])) {

    $variables['body_attributes_array']['class'] = array();

  }

  // Navbar position.

  switch (bootstrap_setting('navbar_position')) {

    case 'fixed-top':

      $variables['body_attributes_array']['class'][] = 'navbar-is-fixed-top';

      break;

    case 'fixed-bottom':

      $variables['body_attributes_array']['class'][] = 'navbar-is-fixed-bottom';

      break;

    case 'static-top':

      $variables['body_attributes_array']['class'][] = 'navbar-is-static-top';

      break;

  }

}

/**

 * Processes variables for the "html" theme hook.

 *

 * See template for list of available variables.

 *

 * **WARNING**: It is not recommended that this function be copied to a

 * sub-theme. There is rarely any need to process the same variables twice.

 *

 * If you need to add something to the "html_attributes_array" or

 * "body_attributes_array" arrays, you should do so in a hook_preprocess_html()

 * function since process functions will always run after all preprocess

 * functions have been executed.

 *

 * If there is a need to implement a hook_process_html() function in your

 * sub-theme (to process your own custom variables), ensure that it doesn't

 * add this base theme's logic and risk introducing breakage and performance

 * issues.

 *

 * @see html.tpl.php

 *

 * @ingroup theme_process

 */

function bootstrap_process_html(&$variables) {

  // Merge in (not reference!) core's ambiguous and separate "attribute" and

  // "class" arrays. These arrays are meant for the BODY element, but it must

  // be done at the process level in case sub-themes wish to add classes to

  // core's non-standard arrays (which are for the BODY element only).

  // @see https://www.drupal.org/node/2868426

  $variables['body_attributes_array'] = drupal_array_merge_deep($variables['body_attributes_array'], $variables['attributes_array']);

  // Use this project's class helper (to eliminate any duplicate classes).

  _bootstrap_add_class($variables['classes_array'], $variables, 'body_attributes_array');

  // Finally, convert the arrays into proper attribute strings.

  $variables['html_attributes'] = drupal_attributes($variables['html_attributes_array']);

  $variables['body_attributes'] = drupal_attributes($variables['body_attributes_array']);

}