public static function init()
{
if (is_null(self::$instance)) {
self::$instance = new Update_logic();
}
return self::$instance;
}
private function __construct()
{
global $wpdb;
// load textdomain for translations
add_action('plugins_loaded', array($this, 'load_our_textdomain'));
if (function_exists('currheap') && is_a($wpdb, 'safe_wpdb')) {
// plugin is already configured
require_once 'lib/class-alternative-heap.php';
require_once 'lib/class-update-logic.php';
$this->alt_heap = Alternative_Heap::init();
$this->update_logic = Update_Logic::init();
if (false !== currheap()) {
add_action('plugins_loaded', array($this, 'make_sure_we_are_first'));
}
} else {
// show a notice to prompt the user to configure WP Safe Updates
// @TODO: offer to do this automatically
add_action('admin_notices', array($this, 'not_configured_notice'));
}
// clear all heaps on uninstall
register_uninstall_hook(__FILE__, array('Safe_Updates', 'uninstall_cleanup'));
}
