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   1  <?php
   2  // $Id: audio_feeds.module,v 1.8 2009/11/25 19:35:37 drewish Exp $
   3  
   4  /**
   5   * @file
   6   * This module provides XSPF, M3U, and PLS feeds for attached audio nodes.
   7   */
   8  
   9  /**
  10   * Implementation of hook_help().
  11   */
  12  function audio_feeds_help($section, $arg) {
  13    switch ($section) {
  14      case 'admin/help#audio_feeds':
  15        return t('This module provides XSPF, M3U, and PLS audio feeds.');
  16    }
  17  }
  18  
  19  /**
  20   * Implementation of hook_form_alter().
  21   */
  22  function audio_feeds_form_alter(&$form, &$form_state, $form_id) {
  23    global $user;
  24  
  25    switch ($form_id) {
  26      case 'node_type_form':
  27        if (isset($form['identity']['type'])) {
  28          $type = $form['#node_type']->type;
  29          $form['workflow']['audio_feeds_attach'] = array(
  30            '#type' => 'radios',
  31            '#title' => t('Audio Feeds'),
  32            '#default_value' => variable_get('audio_feeds_attach_'. $type, 0),
  33            '#options' => array(t('Disabled'), t('Enabled')),
  34            '#description' => t('Provide XSPF, M3U, and PLS feeds for attached audio nodes.'),
  35          );
  36        }
  37        break;
  38    }
  39  }
  40  
  41  /**
  42   * Implementation of hook_link().
  43   */
  44  function audio_feeds_link($type, $node = NULL, $teaser = FALSE) {
  45    global $base_url;
  46    global $user;
  47    $links = array();
  48  
  49    if (variable_get('audio_feeds_attach_'. $node->type, 0)) {
  50      // Add audio playlist feed links.
  51      $feed_links = variable_get('audio_feeds_feed_links', array('m3u', 'pls', 'xspf'));
  52      foreach ($feed_links as $key => $type) {
  53        switch ((string)$type) {
  54          case 'm3u':
  55            $links['audio_feeds_m3u_link'] = array(
  56              'title' => t('M3U'),
  57              'href' => "node/$node->nid/m3u",
  58              'attributes' => array('title' => t('Stream M3U feed')),
  59            );
  60            break;
  61          case 'pls':
  62            $links['audio_feeds_pls_link'] = array(
  63              'title' => t('PLS'),
  64              'href' => "node/$node->nid/pls",
  65              'attributes' => array('title' => t('Stream PLS feed')),
  66            );
  67            break;
  68          case 'xspf':
  69            $links['audio_feeds_xspf_link'] = array(
  70              'title' => t('XSPF'),
  71              'href' => "node/$node->nid/xspf",
  72              'attributes' => array('title' => t('Shareable XSPF feed')),
  73            );
  74            break;
  75        }
  76      }
  77    }
  78  
  79    return $links;
  80  }
  81  
  82  /**
  83   * Implementation of hook_menu().
  84   */
  85  function audio_feeds_menu() {
  86    $items = array();
  87  
  88    $items['node/%node/xspf'] = array(
  89      'title' => 'XSPF',
  90      'page callback' => 'audio_feeds_xspf',
  91      'page arguments' => array(1),
  92      'access callback' => 'audio_feeds_access',
  93      'access arguments' => array(1),
  94      'file' => 'audio_feeds.feeds.inc',
  95      'type' => MENU_CALLBACK,
  96    );
  97    $items['node/%node/m3u'] = array(
  98      'title' => 'M3U',
  99      'page callback' => 'audio_feeds_m3u',
 100      'page arguments' => array(1),
 101      'access callback' => 'audio_feeds_access',
 102      'access arguments' => array(1),
 103      'file' => 'audio_feeds.feeds.inc',
 104      'type' => MENU_CALLBACK,
 105    );
 106    $items['node/%node/pls'] = array(
 107      'title' => 'PLS',
 108      'page callback' => 'audio_feeds_pls',
 109      'page arguments' => array(1),
 110      'access callback' => 'audio_feeds_access',
 111      'access arguments' => array(1),
 112      'file' => 'audio_feeds.feeds.inc',
 113      'type' => MENU_CALLBACK,
 114    );
 115    $items['admin/settings/audio/feeds'] = array(
 116      'title' => 'Feeds',
 117      'page callback' => 'drupal_get_form',
 118      'page arguments' => array('audio_feeds_admin'),
 119      'access arguments' => array('administer audio'),
 120      'file' => 'audio_feeds.admin.inc',
 121      'type' => MENU_LOCAL_TASK,
 122    );
 123  
 124    return $items;
 125  }
 126  
 127  /**
 128   * Menu access callback.
 129   */
 130  function audio_feeds_access($node) {
 131    return variable_get('audio_feeds_attach_'. $node->type, 0);
 132  }