theme.inc

<?php

/**
 * @file
 * Theme hooks.
 */

/**
 * Implements template_preprocess_HOOK().
 */
function template_preprocess_islandora_video(array &$variables) {
  module_load_include('inc', 'islandora', 'includes/datastream');
  module_load_include('inc', 'islandora', 'includes/utilities');
  module_load_include('inc', 'islandora', 'includes/solution_packs');
  module_load_include('inc', 'islandora', 'includes/authtokens');
  module_load_include('inc', 'islandora', 'includes/metadata');
  drupal_add_js('misc/form.js');
  drupal_add_js('misc/collapse.js');
  $object = $variables['object'];
  $repository = $object->repository;
  // We should eventually remove the DC object and dc_array code as it only
  // exists to not break legacy implementations.
  try {
    if (isset($object['DC']) && islandora_datastream_access(ISLANDORA_VIEW_OBJECTS, $object['DC'])) {
      $dc = $object['DC']->content;
      $dc_object = DublinCore::importFromXmlString($dc);
    }
  }
  catch (Exception $e) {
    drupal_set_message(t('Error retriveing object %s %t', array('%s' => $object->id, '%t' => $e->getMessage())), 'error', FALSE);
  }
  $variables['islandora_dublin_core'] = isset($dc_object) ? $dc_object : NULL;
  $variables['dc_array'] = isset($dc_object) ? $dc_object->asArray() : array();
  $variables['islandora_object_label'] = $object->label;
  $variables['theme_hook_suggestions'][] = 'islandora_video__' . str_replace(':', '_', $object->id);
  $variables['parent_collections'] = islandora_get_parents_from_rels_ext($object);
  $variables['metadata'] = islandora_retrieve_metadata_markup($object);
  $variables['description'] = islandora_retrieve_description_markup($object);

  $viewer_dsid = 'MP4';

  if (!$object['MP4']) {
    if (variable_get('islandora_video_play_obj', TRUE)) {
      if ($object['OBJ'] && $object['OBJ']->mimetype == 'video/mp4') {
        $max_file_size = ((int) variable_get('islandora_video_max_obj_size', 500)) * 1024 * 1024;
        if ($object['OBJ']->size < $max_file_size) {
          $viewer_dsid = 'OBJ';
        }
      }
    }
  }

  $mime = 'video/mp4';

  if (isset($object['PEAKS'])) {
    $peaks_url = url("islandora/object/{$object->id}/datastream/PEAKS", array('absolute' => TRUE));
	}
  else {
	  $peaks_url = null;
  }

  $video_params = array(
    'pid' => $object->id,
  );
  // Video player.
  if (isset($object[$viewer_dsid]) && islandora_datastream_access(ISLANDORA_VIEW_OBJECTS, $object[$viewer_dsid])) {
    $video_url = url("islandora/object/{$object->id}/datastream/$viewer_dsid/view");
    $video_params += array(
      'mime' => $mime,
      'url' => $video_url,
      'peaks' => $peaks_url,
    );
  }
  // Thumbnail.
  if (isset($object['TN']) && islandora_datastream_access(ISLANDORA_VIEW_OBJECTS, $object['TN'])) {
    $video_params += array(
      'tn' => url("islandora/object/{$object->id}/datastream/TN/view", array('absolute' => TRUE)),
    );
  }

  $viewer = islandora_get_viewer($video_params, 'islandora_video_viewers', $object);
  $variables['islandora_content'] = '';
  if ($viewer) {
    $variables['islandora_content'] = $viewer;
  }
  else {
    $variables['islandora_content'] = NULL;
  }
  return array('' => $viewer);
}