function bp_activity_get_post_types_tracking_args() {
	// Fetch all public post types.
	$post_types = get_post_types( array( 'public' => true ), 'names' );

	$post_types_tracking_args = array();

	foreach ( $post_types as $post_type ) {
		$track_post_type = bp_activity_get_post_type_tracking_args( $post_type );

		if ( ! empty( $track_post_type ) ) {
			// Set the post type comments tracking args.
			if ( ! empty( $track_post_type->comments_tracking->action_id ) ) {
				// Used to check support for comment tracking by activity type (new_post_type_comment).
				$track_post_type->comments_tracking->comments_tracking = true;

				// Used to be able to find the post type this activity type is associated to.
				$track_post_type->comments_tracking->post_type = $post_type;

				$post_types_tracking_args[ $track_post_type->comments_tracking->action_id ] = $track_post_type->comments_tracking;

				// Used to check support for comment tracking by activity type (new_post_type).
				$track_post_type->comments_tracking = true;
			}

			$post_types_tracking_args[ $track_post_type->action_id ] = $track_post_type;
		}

	}

	/**
	 * Filters tracking arguments for all post types.
	 *
	 * @since 2.2.0
	 *
	 * @param array $post_types_tracking_args Array of post types with
	 *                                        their tracking arguments.
	 */
	return apply_filters( 'bp_activity_get_post_types_tracking_args', $post_types_tracking_args );
}