Merge "Return default EnforcedAdmin if a user retriction is enforced." into udc-dev

        }

        final int restrictionSource = enforcingUsers.get(0).getUserRestrictionSource();

        final int adminUserId = enforcingUsers.get(0).getUserHandle().getIdentifier();

        if (restrictionSource == UserManager.RESTRICTION_SOURCE_PROFILE_OWNER) {

            // Check if it is a profile owner of the user under consideration.

            if (adminUserId == userId) {

                return getProfileOwner(context, userRestriction, adminUserId);

            } else {

                // Check if it is a profile owner of a managed profile of the current user.

                // Otherwise it is in a separate user and we return a default EnforcedAdmin.

                final UserInfo parentUser = um.getProfileParent(adminUserId);

                return (parentUser != null && parentUser.id == userId)

                        ? getProfileOwner(context, userRestriction, adminUserId)

                        : EnforcedAdmin.createDefaultEnforcedAdminWithRestriction(userRestriction);

            }

        } else if (restrictionSource == UserManager.RESTRICTION_SOURCE_DEVICE_OWNER) {

            // When the restriction is enforced by device owner, return the device owner admin only

            // if the admin is for the {@param userId} otherwise return a default EnforcedAdmin.

            return adminUserId == userId

                    ? getDeviceOwner(context, userRestriction)

                    : EnforcedAdmin.createDefaultEnforcedAdminWithRestriction(userRestriction);

        }

        // If the restriction is enforced by system then return null.

        if (restrictionSource == UserManager.RESTRICTION_SOURCE_SYSTEM) {

            return null;

        }

        final EnforcedAdmin admin = getProfileOrDeviceOwner(context, userHandle);

        if (admin != null) {

            return admin;

        }

        return EnforcedAdmin.createDefaultEnforcedAdminWithRestriction(userRestriction);

    }

    public static boolean hasBaseUserRestriction(Context context,

            String userRestriction, int userId) {

        final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);