<?php
// $Id$

/**
 * @file
 * This module provides a CCK formatter for playing an audio feed in a XSPF player.
 */

/**
 * Implementation of hook_help().
 */
function audio_feeds_xspf_player_help($section, $arg) {
  switch ($section) {
    case 'admin/help#audio_feeds_xspf_player':
      return t('This module provides a CCK formatter for playing an audio feed in a XSPF player.');
  }
}

/**
 * Implementation of hook_field_formatter_info().
 */
function audio_feeds_xspf_player_field_formatter_info() {
  return array(
    'audio_feeds_xspf_player' => array(
      'label' => t('XSPF player'),
      'field types' => array('nodereference'),
      'multiple values' => CONTENT_HANDLE_MODULE,
    ),
  );
}

/**
 * Implementation of hook_theme().
 */
function audio_feeds_xspf_player_theme() {
  return array(
    'audio_feeds_xspf_player_formatter_audio_feeds_xspf_player' => array(
      'arguments' => array('element' => NULL, 'teaser' => FALSE),
    ),
  );
}

/**
 * Theme function for 'audio_feeds_xspf_player' nodereference field formatter.
 */
function theme_audio_feeds_xspf_player_formatter_audio_feeds_xspf_player($element, $teaser = FALSE) {
  // Some notes:
  //
  // Perhaps we could have an admin interface for choosing the player. Any Audio
  // module player that has a 'theme_xspf' function can work. However, this
  // being a theme function, it is not hard at all to override...
  //
  // No check is made to ensure that the player actually supports the audio
  // format of each track in the playlist.
  if ($player = audio_get_players('name', 'xspf_extended')) {
    return theme($player['theme_xspf'], url('node/'. $element['#node']->nid .'/xspf'));
  }
}