public function add_activity_spam_button() {
		if ( !bp_activity_user_can_mark_spam() )
			return;

		// By default, only handle activity updates and activity comments.
		if ( !in_array( bp_get_activity_type(), BP_Akismet::get_activity_types() ) )
			return;

		bp_button(
			array(
				'block_self' => false,
				'component'  => 'activity',
				'id'         => 'activity_make_spam_' . bp_get_activity_id(),
				'link_class' => 'bp-secondary-action spam-activity confirm button item-button',
				'link_href'  => wp_nonce_url( bp_get_root_domain() . '/' . bp_get_activity_slug() . '/spam/' . bp_get_activity_id() . '/', 'bp_activity_akismet_spam_' . bp_get_activity_id() ),
				'link_text'  => __( 'Spam', 'buddypress' ),
				'wrapper'    => false,
			)
		);
	}