islandora_jwplayer.module

<?php
/**
 * @file
 * An Islandora viewer module using jwplayer.
 *
 * @todo
 *   Try and get libraries dependency working.
 */

/**
 * Implements hook_islandora_viewer_info().
 */
function islandora_jwplayer_islandora_viewer_info() {
  return array(
    'islandora_jwplayer' => array(
      'label' => t('JW Player'),
      'description' => t('JW Player for audio and video.'),
      'callback' => 'islandora_jwplayer_callback',
      'mimetype' => array('audio/mpeg', 'video/mp4'),
    ),
  );
}

/**
 * Callback function to process audio player.
 *
 * @param array $params
 *   Array with configuration info for the audio player.
 *
 * @return string
 *   The marked up output to render JW Player.
 */
function islandora_jwplayer_callback($params = array()) {
  // @TODO: Make it such that a default thumbnail can be used, if one is not
  // provided in the parameters.
  $required = array('url', 'mime', 'tn');
  if (count(array_intersect($required, array_keys($params))) === count($required)) {
    // This should be a theme function.
    $output = "<div id=\"mediaplayer\">Loading JW Player...</div>";

    $jwpath = libraries_get_path("jwplayer");
    drupal_add_js($jwpath . "/jwplayer.js", array(
      // XXX: Can not be allowed to be aggregated, as underlying library code
      // tries to access other resources relative to the path from which this
      // is loaded.
      'preprocess' => FALSE,
    ));

    // We have to hack a file name into the URL because jwplayer removed support
    // for specifying mimetype.
    $mime_detect = new MimeDetect();
    $extension = $mime_detect->getExtension($params["mime"]);

    // Using "default" is no longer valid in JW Player 6, we will default to
    // the height and width given in the support docs.
    // @TODO: JW Player 6 supports responsive widths and heights, potentially
    // implement this? http://www.longtailvideo.com/support/jw-player/28839/embe
    // dding-the-player?
    $width = isset($params['width']) ? $params['width'] : '480';
    $height = isset($params['height']) ? $params['height'] : '270';
    $player_params = array(
      "thumbnail" => $params["tn"],
      "file" => $params["url"] . '/file_name_spoof.' . $extension,
      "width" => $width,
      "height" => $height,
    );
    drupal_add_js(array("islandora_jwplayer" => $player_params), 'setting');

    $mypath = drupal_get_path("module", "islandora_jwplayer");
    drupal_add_js($mypath . "/js/player.js", array('preprocess' => FALSE));

    return $output;
  }
}