// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module drivefs.mojom;

[Stable, Extensible]
enum ExtensionConnectionStatus {
  kSuccess,
  kExtensionNotFound,
  kFeatureNotEnabled,
  [Default] kUnknownError,
};

// Implemented in the browser and used from DriveFS.
// Roughly corresponds to a native messaging port to the extension and allows
// sending messages from the DriveFS process to the extension.
[Stable]
interface NativeMessagingPort {
  // Send a native |message| to the extension. |message| is an
  // opaque string in an extension-specific format.
  PostMessageToExtension@0(string message);
};

// Implemented in DriveFS and used from the browser.
// Roughly corresponds to a native messaging host instance and allows
// processing of requests from the extension by the DriveFS process.
// It's up to the extension and the host to agree to message ordering.
[Stable]
interface NativeMessagingHost {
  // Process |message| from the extension. |message| is an
  // opaque string in an extension-specific format.
  HandleMessageFromExtension@0(string message);
};

// Configuration of the connection between extension and DriveFS.
[Stable]
struct ExtensionConnectionParams {
  string extension_id@0;
};