nearby/cpp/platform/public/bluetooth_adapter.h

#ifndef PLATFORM_PUBLIC_BLUETOOTH_ADAPTER_H_
#define PLATFORM_PUBLIC_BLUETOOTH_ADAPTER_H_

#include <string>

#include "platform/api/bluetooth_adapter.h"
#include "platform/api/bluetooth_classic.h"
#include "platform/api/platform.h"
#include "absl/strings/string_view.h"

namespace location {
namespace nearby {

// Opaque wrapper over a BLE peripheral. Must contain enough data about a
// particular BLE peripheral to connect to its GATT server.
class BlePeripheral final {
 public:
  BlePeripheral() = default;
  BlePeripheral(const BlePeripheral&) = default;
  BlePeripheral& operator=(const BlePeripheral&) = default;
  explicit BlePeripheral(api::BlePeripheral* peripheral) : impl_(peripheral) {}
  ~BlePeripheral() = default;

  std::string GetName() const { return impl_->GetName(); }

  ByteArray GetAdvertisementBytes(const std::string& service_id) const {
    return impl_->GetAdvertisementBytes(service_id);
  }

  api::BlePeripheral& GetImpl() { return *impl_; }
  bool IsValid() const { return impl_ != nullptr; }

 private:
  api::BlePeripheral* impl_;
};

// https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html.
class BluetoothDevice final {
 public:
  BluetoothDevice() = default;
  BluetoothDevice(const BluetoothDevice&) = default;
  BluetoothDevice& operator=(const BluetoothDevice&) = default;
  explicit BluetoothDevice(api::BluetoothDevice* device) : impl_(device) {}
  ~BluetoothDevice() = default;

  // https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html#getName()
  std::string GetName() const { return impl_->GetName(); }
  std::string GetMacAddress() const { return impl_->GetMacAddress(); }

  api::BluetoothDevice& GetImpl() { return *impl_; }
  bool IsValid() const { return impl_ != nullptr; }

 private:
  api::BluetoothDevice* impl_;
};

// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html
class BluetoothAdapter final {
 public:
  using Status = api::BluetoothAdapter::Status;
  using ScanMode = api::BluetoothAdapter::ScanMode;

  BluetoothAdapter()
      : impl_(api::ImplementationPlatform::CreateBluetoothAdapter()) {}
  ~BluetoothAdapter() = default;
  BluetoothAdapter(BluetoothAdapter&&) = default;
  BluetoothAdapter& operator=(BluetoothAdapter&&) = default;

  // Synchronously sets the status of the BluetoothAdapter to 'status', and
  // returns true if the operation was a success.
  bool SetStatus(Status status) { return impl_->SetStatus(status); }
  Status GetStatus() const {
    return IsEnabled() ? Status::kEnabled : Status::kDisabled;
  }

  // Returns true if the BluetoothAdapter's current status is
  // Status::Value::kEnabled.
  bool IsEnabled() const { return impl_->IsEnabled(); }

  // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#getScanMode()
  //
  // Returns ScanMode::kUnknown on error.
  ScanMode GetScanMode() const { return impl_->GetScanMode(); }

  // Synchronously sets the scan mode of the adapter, and returns true if the
  // operation was a success.
  bool SetScanMode(ScanMode scan_mode) {
    return impl_->SetScanMode(scan_mode);
  }

  // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#getName()
  // Returns an empty string on error
  std::string GetName() const { return impl_->GetName(); }
  std::string GetMacAddress() const { return impl_->GetMacAddress(); }

  // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#setName(java.lang.String)
  bool SetName(absl::string_view name) { return impl_->SetName(name); }

  bool IsValid() const { return impl_ != nullptr; }

  // Returns reference to platform implementation.
  // This is used to communicate with platform code, and for debugging purposes.
  // Returned reference will remain valid for while BluetoothAdapter object is
  // itself valid. It matches Core() object lifetime.
  api::BluetoothAdapter& GetImpl() { return *impl_; }

 private:
  std::unique_ptr<api::BluetoothAdapter> impl_;
};

}  // namespace nearby
}  // namespace location

#endif  // PLATFORM_PUBLIC_BLUETOOTH_ADAPTER_H_