Club Drupal

<?php

/**

 * @file media_youtube/themes/media_youtube.theme.inc

 *

 * Theme and preprocess functions for Media: YouTube.

 */

/**

 * Preprocess function for theme('media_youtube_video').

 */

function media_youtube_preprocess_media_youtube_video(&$variables) {

  // Build the URI.

  $wrapper = file_stream_wrapper_get_instance_by_uri($variables['uri']);

  $parts = $wrapper->get_parameters();

  if (isset($parts['v'])) {

    $variables['embed_type'] = 'video';

    $variables['video_id'] = check_plain($parts['v']);

    $embed_path = '/embed/' . $variables['video_id'];

  }

  elseif (isset($parts['l'])) {

    $variables['embed_type'] = 'playlist';

    $variables['video_id'] = check_plain($parts['l']);

    $embed_path = '/embed/videoseries';

  }

  // Checked existing function.

  if(function_exists('file_uri_to_object')) {

    // Make the file object available.

    $file_object = file_uri_to_object($variables['uri']);

  }

  else {

    $file_object = media_youtube_file_uri_to_object($variables['uri']);

  }

  // Parse options and build the query string. Only add the option to the query

  // array if the option value is not default. Be careful, depending on the

  // wording in media_youtube.formatters.inc, TRUE may be query=0.

  // @see https://developers.google.com/youtube/player_parameters#Parameters

  $query = array();

  // Make css z-index work with flash object. Must be the first parameter.

  $query['wmode'] = 'opaque';

  // These queries default to 0. If the option is true, set value to 1.

  foreach (array('autoplay', 'enablejsapi', 'loop', 'modestbranding') as $option) {

    if ($variables['options'][$option]) {

      $query[$option] = 1;

    }

  }

  if ($variables['options']['enablejsapi']) {

    // Add a query ID and identical html ID if js API is set.

    $query['playerapiid'] = drupal_html_id('media-youtube-' . $variables['video_id']);

    $variables['api_id_attribute'] = 'id="' . $query['playerapiid'] . '" ';

    // Add the origin for improved security

    $variables['options']['origin'] ? $query['origin'] = $variables['options']['origin'] : '';

  }

  else {

    $variables['api_id_attribute'] = NULL;

  }

  // Currently, loop only works with a playlist. Make fake playlist out of a

  // single video.

  // @see https://developers.google.com/youtube/player_parameters#loop

  if ($variables['options']['loop']) {

    $query['playlist'] = $variables['video_id'];

  }

  // These queries default to 1. If the option is false, set value to 0.

  foreach (array('rel', 'showinfo') as $option) {

    if (!$variables['options'][$option]) {

      $query[$option] = 0;

    }

  }

  // These queries default to 1. Option wording is reversed, so if the option

  // is true, set value to 0.

  // (None right now.)

  // Strings.

  if ($variables['options']['theme'] != 'dark') {

    $query['theme'] = $variables['options']['theme'];

  }

  if ($variables['options']['color'] != 'red') {

    $query['color'] = $variables['options']['color'];

  }

  if ($variables['options']['autohide'] != '2') {

    $query['autohide'] = $variables['options']['autohide'];

  }

  if ($variables['options']['captions'] > '0') {

    // Add captions parameters to the query.

    $query['cc_load_policy'] = '1';

    if ($variables['options']['captions'] > '1') {

      global $language;

      // We can specify a default language for captions.

      if ($language->language != LANGUAGE_NONE) {

        $query['cc_lang_pref'] = $language->language;

      }

    }

  }

  if ($variables['options']['protocol_specify']) {

    $protocol = $variables['options']['protocol'];

  }

  else {

    $protocol = 'https:';

  }

  // Non-query options.

  if ($variables['options']['nocookie']) {

    $url_base = 'youtube-nocookie.com';

  }

  else {

    $url_base = 'youtube.com';

  }

  // Add some options as their own template variables.

  foreach (array('width', 'height') as $theme_var) {

    $variables[$theme_var] = $variables['options'][$theme_var];

  }

  // Do something useful with the overridden attributes from the file

  // object. We ignore alt and style for now.

  if (isset($variables['options']['attributes']['class'])) {

    if (is_array($variables['options']['attributes']['class'])) {

      $variables['classes_array'] = array_merge($variables['classes_array'], $variables['options']['attributes']['class']);

    }

    else {

      // Provide nominal support for Media 1.x.

      $variables['classes_array'][] = $variables['options']['attributes']['class'];

    }

  }

  // Add template variables for accessibility.

  $variables['title'] = check_plain($file_object->filename);

  // @TODO: Find an easy/ not too expensive way to get the YouTube description

  // to use for the alternative content.

  $variables['alternative_content'] = t('Video of @title', array('@title' => $variables['title']));

  if (isset($parts['l'])) {

    $query['list'] = $parts['l'];

  }

  // Build the iframe URL with options query string.

  $variables['url'] = url($protocol . '//www.' . $url_base . $embed_path, array('query' => $query, 'external' => TRUE));

}

/**

 * Helping function.

 */

function media_youtube_file_uri_to_object($uri) {

  $uri = file_stream_wrapper_uri_normalize($uri);

  $files = entity_load('file', FALSE, array('uri' => $uri));

  $file = !empty($files) ? reset($files) : FALSE;

  if (!$file) {

    global $user;

    $file = new stdClass();

    $file->uid = $user->uid;

    $file->filename = basename($uri);

    $file->uri = $uri;

    $file->filemime = file_get_mimetype($uri);

    // This is gagged because some uris will not support it.

    $file->filesize = @filesize($uri);

    $file->timestamp = REQUEST_TIME;

    $file->status = FILE_STATUS_PERMANENT;

  }

  return $file;

}