media_youtube.theme.inc
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<?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();
$variables['video_id'] = check_plain($parts['v']);
// Make the file object available.
$file_object = file_uri_to_object($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'] = $variables['options']['autohide'];
}
// Non-query options.
if ($variables['options']['nocookie']) {
$url_base = 'youtube-nocookie.com';
}
else {
$url_base = 'youtube.com';
}
if ($variables['options']['protocol_specify']) {
$protocol = $variables['options']['protocol'];
}
else {
$protocol = '';
}
// 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']));
// Build the iframe URL with options query string.
$variables['url'] = url($protocol . '//www.' . $url_base . '/embed/' . $variables['video_id'], array('query' => $query, 'external' => TRUE));
}