/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

include protocol PFMRadio;

namespace mozilla {
namespace dom {

struct ErrorResponse
{
  nsString error;
};

struct SuccessResponse
{
};

union FMRadioResponseType
{
  ErrorResponse;
  SuccessResponse;
};

/**
 * The protocol is used for sending asynchronous operation requests of
 * FM radio HW from child to parent, and the type of the request is defined in
 * FMRadioRequestArgs.
 *
 * When the request completed, the result, i.e. FMRadioResponseType, will be
 * sent back to child from parent in the `__delete__` message.
 */
async protocol PFMRadioRequest
{
  manager PFMRadio;

child:
  __delete__(FMRadioResponseType response);
};

} // namespace dom
} // namespace mozilla