android13/packages/modules/Connectivity/nearby/service/proto/src/fastpair/rpcs.proto

// RPCs for the Nearby Console service.
syntax = "proto3";

package service.proto;
// Response containing an observed device.
message GetObservedDeviceResponse {
  // The device from the request.
  Device device = 1;

  // The image icon that shows in the notification
  bytes image = 3;

  // Strings to be displayed on notifications during the pairing process.
  ObservedDeviceStrings strings = 4;

  reserved 2;
}

message Device {
  // Output only. The server-generated ID of the device.
  int64 id = 1;

  // The pantheon project number the device is created under. Only Nearby admins
  // can change this.
  int64 project_number = 2;

  // How the notification will be displayed to the user
  NotificationType notification_type = 3;

  // The image to show on the notification.
  string image_url = 4;

  // The name of the device.
  string name = 5;

  // The intent that will be launched via the notification.
  string intent_uri = 6;

  // The transmit power of the device's BLE chip.
  int32 ble_tx_power = 7;

  // The distance that the device must be within to show a notification.
  // If no distance is set, we default to 0.6 meters. Only Nearby admins can
  // change this.
  float trigger_distance = 8;

  // Output only. Fast Pair only - The anti-spoofing key pair for the device.
  AntiSpoofingKeyPair anti_spoofing_key_pair = 9;

  // Output only. The current status of the device.
  Status status = 10;


  // DEPRECATED - check for published_version instead.
  // Output only.
  // Whether the device has a different, already published version.
  bool has_published_version = 12;

  // Fast Pair only - The type of device being registered.
  DeviceType device_type = 13;


  // Fast Pair only - Additional images for true wireless headsets.
  TrueWirelessHeadsetImages true_wireless_images = 15;

  // Fast Pair only - When true, this device can support assistant function.
  bool assistant_supported = 16;

  // Output only.
  // The published version of a device that has been approved to be displayed
  // as a notification - only populated if the device has a different published
  // version. (A device that only has a published version would not have this
  // populated).
  Device published_version = 17;

  // Fast Pair only - When true, Fast Pair will only create a bond with the
  // device and not attempt to connect any profiles (for example, A2DP or HFP).
  bool data_only_connection = 18;

  // Name of the company/brand that will be selling the product.
  string company_name = 19;

  repeated FastPairFeature features = 20;

  // Name of the device that is displayed on the console.
  string display_name = 21;

  // How the device will be interacted with by the user when the scan record
  // is detected.
  InteractionType interaction_type = 22;

  // Companion app information.
  CompanionAppDetails companion_detail = 23;

  reserved 11, 14;
}


// Represents the format of the final device notification (which is directly
// correlated to the action taken by the notification).
enum NotificationType {
  // Unspecified notification type.
  NOTIFICATION_TYPE_UNSPECIFIED = 0;
  // Notification launches the fast pair intent.
  // Example Notification Title: "Bose SoundLink II"
  // Notification Description: "Tap to pair with this device"
  FAST_PAIR = 1;
  // Notification launches an app.
  // Notification Title: "[X]" where X is type/name of the device.
  // Notification Description: "Tap to setup this device"
  APP_LAUNCH = 2;
  // Notification launches for Nearby Setup. The notification title and
  // description is the same as APP_LAUNCH.
  NEARBY_SETUP = 3;
  // Notification launches the fast pair intent, but doesn't include an anti-
  // spoofing key. The notification title and description is the same as
  // FAST_PAIR.
  FAST_PAIR_ONE = 4;
  // Notification launches Smart Setup on devices.
  // These notifications are identical to APP_LAUNCH except that they always
  // launch Smart Setup intents within GMSCore.
  SMART_SETUP = 5;
}

// How the device will be interacted with when it is seen.
enum InteractionType {
  INTERACTION_TYPE_UNKNOWN = 0;
  AUTO_LAUNCH = 1;
  NOTIFICATION = 2;
}

// Features that can be enabled for a Fast Pair device.
enum FastPairFeature {
  FAST_PAIR_FEATURE_UNKNOWN = 0;
  SILENCE_MODE = 1;
  WIRELESS_CHARGING = 2;
  DYNAMIC_BUFFER_SIZE = 3;
  NO_PERSONALIZED_NAME = 4;
  EDDYSTONE_TRACKING = 5;
}

message CompanionAppDetails {
  // Companion app slice provider's authority.
  string authority = 1;

  // Companion app certificate value.
  string certificate_hash = 2;

  // Deprecated fields.
  reserved 3;
}

// Additional images for True Wireless Fast Pair devices.
message TrueWirelessHeadsetImages {
  // Image URL for the left bud.
  string left_bud_url = 1;

  // Image URL for the right bud.
  string right_bud_url = 2;

  // Image URL for the case.
  string case_url = 3;
}

// Represents the type of device that is being registered.
enum DeviceType {
  DEVICE_TYPE_UNSPECIFIED = 0;
  HEADPHONES = 1;
  SPEAKER = 2;
  WEARABLE = 3;
  INPUT_DEVICE = 4;
  AUTOMOTIVE = 5;
  OTHER = 6;
  TRUE_WIRELESS_HEADPHONES = 7;
  WEAR_OS = 8;
  ANDROID_AUTO = 9;
}

// An anti-spoofing key pair for a device that allows us to verify the device is
// broadcasting legitimately.
message AntiSpoofingKeyPair {
  // The private key (restricted to only be viewable by trusted clients).
  bytes private_key = 1;

  // The public key.
  bytes public_key = 2;
}

// Various states that a customer-configured device notification can be in.
// PUBLISHED is the only state that shows notifications to the public.
message Status {
  // Status types available for each device.
  enum StatusType {
    // Unknown status.
    TYPE_UNSPECIFIED = 0;
    // Drafted device.
    DRAFT = 1;
    // Submitted and waiting for approval.
    SUBMITTED = 2;
    // Fully approved and available for end users.
    PUBLISHED = 3;
    // Rejected and not available for end users.
    REJECTED = 4;
  }

  // Details about a device that has been rejected.
  message RejectionDetails {
    // The reason for the rejection.
    enum RejectionReason {
      // Unspecified reason.
      REASON_UNSPECIFIED = 0;
      // Name is not valid.
      NAME = 1;
      // Image is not valid.
      IMAGE = 2;
      // Tests have failed.
      TESTS = 3;
      // Other reason.
      OTHER = 4;
    }

    // A list of reasons the device was rejected.
    repeated RejectionReason reasons = 1;
    // Comment about an OTHER rejection reason.
    string additional_comment = 2;
  }

  // The status of the device.
  StatusType status_type = 1;

  // Accompanies Status.REJECTED.
  RejectionDetails rejection_details = 2;
}

// Strings to be displayed in notifications surfaced for a device.
message ObservedDeviceStrings {
  // The notification description for when the device is initially discovered.
  string initial_notification_description = 2;

  // The notification description for when the device is initially discovered
  // and no account is logged in.
  string initial_notification_description_no_account = 3;

  // The notification description for once we have finished pairing and the
  // companion app has been opened. For google assistant devices, this string will point
  // users to setting up the assistant.
  string open_companion_app_description = 4;

  // The notification description for once we have finished pairing and the
  // companion app needs to be updated before use.
  string update_companion_app_description = 5;

  // The notification description for once we have finished pairing and the
  // companion app needs to be installed.
  string download_companion_app_description = 6;

  // The notification title when a pairing fails.
  string unable_to_connect_title = 7;

  // The notification summary when a pairing fails.
  string unable_to_connect_description = 8;

  // The description that helps user initially paired with device.
  string initial_pairing_description = 9;

  // The description that let user open the companion app.
  string connect_success_companion_app_installed = 10;

  // The description that let user download the companion app.
  string connect_success_companion_app_not_installed = 11;

  // The description that reminds user there is a paired device nearby.
  string subsequent_pairing_description = 12;

  // The description that reminds users opt in their device.
  string retroactive_pairing_description = 13;

  // The description that indicates companion app is about to launch.
  string wait_launch_companion_app_description = 14;

  // The description that indicates go to bluetooth settings when connection
  // fail.
  string fail_connect_go_to_settings_description = 15;

  reserved 1, 16, 17, 18, 19, 20, 21, 22, 23, 24;
}

// The buffer size range of a Fast Pair devices support dynamic buffer size.
message BufferSizeRange {
  // The max buffer size in ms.
  int32 max_size = 1;

  // The min buffer size in ms.
  int32 min_size = 2;

  // The default buffer size in ms.
  int32 default_size = 3;

  // The codec of this buffer size range.
  int32 codec = 4;
}