Bluetooth class changes for implementing local GATT attributes.

device/bluetooth/bluez/bluetooth_gatt_descriptor_delegate_wrapper.h

+// Copyright 2016 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.
+
+#ifndef DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_GATT_DESCRIPTOR_DELEGATE_WRAPPER_H_
+#define DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_GATT_DESCRIPTOR_DELEGATE_WRAPPER_H_
+
+#include <cstdint>
+#include <vector>
+
+#include "base/callback_forward.h"
+#include "base/macros.h"
+#include "device/bluetooth/bluetooth_local_gatt_service.h"
+#include "device/bluetooth/bluez/bluetooth_gatt_service_bluez.h"
+#include "device/bluetooth/bluez/bluetooth_local_gatt_service_bluez.h"
+
+namespace bluez {
+
+class BluetoothLocalGattDescriptorBlueZ;
+
+// Wrapper class around AttributeValueDelegate to handle descriptors.
+class BluetoothGattDescriptorDelegateWrapper
+    : public BluetoothLocalGattServiceBlueZ::AttributeValueDelegate {
+ public:
+  BluetoothGattDescriptorDelegateWrapper(
+      BluetoothLocalGattServiceBlueZ* service,
+      BluetoothLocalGattDescriptorBlueZ* descriptor);
+
+  void GetValue(
+      const device::BluetoothLocalGattService::Delegate::ValueCallback&
+          callback,
+      const device::BluetoothLocalGattService::Delegate::ErrorCallback&
+          error_callback) override;
+  void SetValue(
+      const std::vector<uint8_t>& value,
+      const base::Closure& callback,
+      const device::BluetoothLocalGattService::Delegate::ErrorCallback&
+          error_callback) override;
+
+ private:
+  BluetoothLocalGattServiceBlueZ* service_;
+  BluetoothLocalGattDescriptorBlueZ* descriptor_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothGattDescriptorDelegateWrapper);
+};
+
+}  // namespace bluez
+
+#endif  // DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_GATT_DESCRIPTOR_DELEGATE_WRAPPER_H_