chromium/src/third_party/blink/public/mojom/file_system_access/file_system_access_error.mojom

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module blink.mojom;

import "mojo/public/mojom/base/file_error.mojom";

// Always returned as a member of a FileSystemAccessError, which is declared below.
enum FileSystemAccessStatus {
  kOk,
  // The website doesn't/didn't have permission to do what it tried to do.
  kPermissionDenied,
  // The website wasn't allowed to ask for permission in the current context.
  kSecurityError,
  // The object being operated on was in an invalid state for the operation.
  kInvalidState,
  // An invalid argument was passed to a method.
  kInvalidArgument,
  // The operation failed for some unspecified reason.
  kOperationFailed,
  // The operation was aborted by the user.
  kOperationAborted,
  // The operation failed with a mojom_base.mojom.FileError describing the
  // underlying cause.
  kFileError,
};

// Errors reported by File System Access API methods.
struct FileSystemAccessError {
  FileSystemAccessStatus status;
  // Only meaningful when |status| is kFileError.
  // Conceptually, this should be an optional member, but mojo does not
  // currently support optionals.
  mojo_base.mojom.FileError file_error;
  // Optional extra information describing the error.
  string message;
};