popsu-d7/sites/all/modules/variable/variable_views/variable_views.module

<?php
/**
 * @file
 * Variable views module.
 *
 * Provides variable values as views default arguments.
 *
 * @todo Full views integration for variable table.
 */

/**
 * Implements hook_views_api().
 */
function variable_views_views_api() {
  return array(
    'api' => '3.0',
    //'path' => drupal_get_path('module', 'variable_views') . '/includes',
  );
}

/**
 * Implements hook_views_plugins()
 */
function variable_views_views_plugins() {
  $plugins = array (
    'argument default' => array(
      'variable' => array(
        'title' => t('Variable value'),
        'handler' => 'views_plugin_argument_default_variable',
      ),
    ),
  );
  return $plugins;
}

/**
 * Variable list for the argument.
 */
function _variable_views_variable_list() {
  return variable_list(variable_children(array_keys(variable_get_info())));
}