car-interface-android/lib/data/models/bluetooth_power_state.dart

/// Bluetooth adapter power state reported by the native bridge.
///
/// `turningOn` and `turningOff` are deliberately separate from `on`/`off` so
/// the Settings card never lists bonded devices while the stack is still
/// initializing.
enum BluetoothPowerState {
  unknown,
  unavailable,
  off,
  turningOn,
  on,
  turningOff;

  static BluetoothPowerState fromWire(Object? value) {
    return switch (value) {
      'on' => on,
      'off' => off,
      'turning_on' => turningOn,
      'turning_off' => turningOff,
      'unavailable' => unavailable,
      _ => unknown,
    };
  }

  bool get isOn => this == BluetoothPowerState.on;

  bool get isOff => this == BluetoothPowerState.off;

  bool get isTransitioning =>
      this == BluetoothPowerState.turningOn ||
      this == BluetoothPowerState.turningOff;
}