Page callback: Displays all the items captured from a particular feed.
$feed: The feed for which to display all items.
function aggregator_page_source($feed) {
drupal_set_title($feed->title);
$feed_source = theme('aggregator_feed_source', array(
'feed' => $feed,
));
// It is safe to include the fid in the query because it's loaded from the
// database by aggregator_feed_load().
$items = aggregator_load_feed_items('source', $feed);
return _aggregator_page_list($items, arg(3), $feed_source);
}