function bp_dtheme_get_single_activity_content() {
	// Bail if not a POST action
	if ( 'POST' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )
		return;

	$activity_array = bp_activity_get_specific( array(
		'activity_ids'     => $_POST['activity_id'],
		'display_comments' => 'stream'
	) );

	$activity = ! empty( $activity_array['activities'][0] ) ? $activity_array['activities'][0] : false;

	if ( empty( $activity ) )
		exit; // @todo: error?

	do_action_ref_array( 'bp_dtheme_get_single_activity_content', array( &$activity ) );

	// Activity content retrieved through AJAX should run through normal filters, but not be truncated
	remove_filter( 'bp_get_activity_content_body', 'bp_activity_truncate_entry', 5 );
	$content = apply_filters( 'bp_get_activity_content_body', $activity->content );

	exit( $content );
}