device/devices_app/usb/public/interfaces/permission_provider.mojom

// Copyright 2015 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 device.usb;

import "device.mojom";

interface PermissionProvider {
  // Filters a set of |requested_devices| down to the set of |allowed_guids|
  // that should be accessible to clients of the DeviceManager instance.
  HasDevicePermission(array<DeviceInfo> requested_devices)
      => (array<string> allowed_guids);

  // Returns whether or not the client has permission to access
  // |requested_configuration| on |device|.
  HasConfigurationPermission(uint8 requested_configuration,
                             DeviceInfo device) => (bool allowed);

  // Returns whether or not the client has permission to access
  // |requested_interface| on |device| when it is in configuration
  // |configuration_value|.
  HasInterfacePermission(uint8 requested_interface,
                         uint8 configuration_value,
                         DeviceInfo device) => (bool allowed);

  // Requests a new binding to this service.
  Bind(PermissionProvider& request);
};