public function setup_globals( $args = array() ) {
		$bp = buddypress();

		// Define a slug, if necessary.
		if ( ! defined( 'BP_ACTIVITY_SLUG' ) ) {
			define( 'BP_ACTIVITY_SLUG', $this->id );
		}

		// Global tables for activity component.
		$global_tables = array(
			'table_name'      => $bp->table_prefix . 'bp_activity',
			'table_name_meta' => $bp->table_prefix . 'bp_activity_meta',
		);

		// Metadata tables for groups component.
		$meta_tables = array(
			'activity' => $bp->table_prefix . 'bp_activity_meta',
		);

		// Fetch the default directory title.
		$default_directory_titles = bp_core_get_directory_page_default_titles();
		$default_directory_title  = $default_directory_titles[$this->id];

		// All globals for activity component.
		// Note that global_tables is included in this array.
		$args = array(
			'slug'                  => BP_ACTIVITY_SLUG,
			'root_slug'             => isset( $bp->pages->activity->slug ) ? $bp->pages->activity->slug : BP_ACTIVITY_SLUG,
			'has_directory'         => true,
			'directory_title'       => isset( $bp->pages->activity->title ) ? $bp->pages->activity->title : $default_directory_title,
			'notification_callback' => 'bp_activity_format_notifications',
			'search_string'         => __( 'Search Activity...', 'buddypress' ),
			'global_tables'         => $global_tables,
			'meta_tables'           => $meta_tables,
		);

		parent::setup_globals( $args );
	}