Drupal: Provide more detail to new relic

/**
 * Implements hook_page_alter().
 */
function mymodule_page_alter(&$page) {
  if (!extension_loaded('newrelic')) {
    return;
  }

  $name = NULL;

  // Look for a panel page...
  $panel_page = page_manager_get_current_page();
  if (isset($panel_page['name'])) {
    // If it's a node page put the argument's node type into the transaction
    // name.
    if ($panel_page['name'] == 'node_view') {
      if (isset($panel_page['contexts']['argument_entity_id:node_1']->data)) {
        $node = $panel_page['contexts']['argument_entity_id:node_1']->data;
        $name = 'page_manager_node_view_page/' . $node->type;
      }
    }
    // If it's a page_manager page use the panel name.
    else if ($panel_page['task']['task type'] == 'page') {
      $name = 'page_manager_page_execute/' . $panel_page['name'];
    }
  }
  else {
    $menu_item = menu_get_item();
    if ($menu_item['path'] == 'node/%') {
      // Looks like panels didn't have a variant and it's falling back to
      // node_page_view.
      $name = 'node_page_view/' . $menu_item['page_arguments'][0]->type;
    }
  }

  if ($name) {
    newrelic_name_transaction($name);
  }
}