public function __construct( $plugin_path, $plugin_file ) {
        // We need plugin.php!
        require_once( ABSPATH . 'wp-admin/includes/plugin.php' );

        $plugins = get_plugins();

        // Set plugin directory
        $plugin_path = array_filter( explode( '/', $plugin_path ) );
        $this->plugin_path = end( $plugin_path );

        // Set plugin file
        $this->plugin_file = $plugin_file;

        // Set plugin name
        if ( isset( $plugins[ $this->plugin_path . '/' . $this->plugin_file ]['Name'] ) ) {
            $this->plugin_name = str_replace( 'Popup Maker - ', '', $plugins[ $this->plugin_path . '/' . $this->plugin_file ]['Name'] );
        } else {
            $this->plugin_name = __( 'This plugin', 'popup-maker' );
        }

        // Is Popup Maker installed?
        foreach( $plugins as $plugin_path => $plugin ) {
            if( $plugin['Name'] == 'Popup Maker' ) {
                $this->has_popmake = true;
                $this->popmake_base = $plugin_path;
                break;
            }
        }
    }