Refactor device::BluetoothGattXXX classes to split into remote/local.

device/bluetooth/bluez/bluetooth_remote_gatt_descriptor_bluez.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_REMOTE_GATT_DESCRIPTOR_BLUEZ_H_
+#define DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_BLUEZ_H_
+
+#include <stdint.h>
+#include <string>
+#include <vector>
+
+#include "base/callback_forward.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
+#include "device/bluetooth/bluetooth_remote_gatt_descriptor.h"
+#include "device/bluetooth/bluetooth_uuid.h"
+#include "device/bluetooth/bluez/bluetooth_gatt_descriptor_bluez.h"
+#include "device/bluetooth/bluez/bluetooth_remote_gatt_characteristic_bluez.h"
+
+namespace bluez {
+
+// The BluetoothGattDescriptorBlueZ class implements
+// BluetoothRemoteGattDescriptor for remote GATT characteristic descriptors for
+// platforms that use BlueZ.
+class BluetoothRemoteGattDescriptorBlueZ
+    : public BluetoothGattDescriptorBlueZ,
+      public device::BluetoothRemoteGattDescriptor {
+ public:
+  // device::BluetoothRemoteGattDescriptor overrides.
+  device::BluetoothUUID GetUUID() const override;
+  const std::vector<uint8_t>& GetValue() const override;
+  device::BluetoothRemoteGattCharacteristic* GetCharacteristic() const override;
+  device::BluetoothRemoteGattCharacteristic::Permissions GetPermissions()
+      const override;
+  void ReadRemoteDescriptor(const ValueCallback& callback,
+                            const ErrorCallback& error_callback) override;
+  void WriteRemoteDescriptor(const std::vector<uint8_t>& new_value,
+                             const base::Closure& callback,
+                             const ErrorCallback& error_callback) override;
+
+ private:
+  friend class BluetoothRemoteGattCharacteristicBlueZ;
+
+  BluetoothRemoteGattDescriptorBlueZ(
+      BluetoothRemoteGattCharacteristicBlueZ* characteristic,
+      const dbus::ObjectPath& object_path);
+  ~BluetoothRemoteGattDescriptorBlueZ() override;
+
+  // Called by dbus:: on unsuccessful completion of a request to read or write
+  // the descriptor value.
+  void OnError(const ErrorCallback& error_callback,
+               const std::string& error_name,
+               const std::string& error_message);
+
+  // The GATT characteristic this descriptor belongs to.
+  BluetoothRemoteGattCharacteristicBlueZ* characteristic_;
+
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<BluetoothRemoteGattDescriptorBlueZ> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattDescriptorBlueZ);
+};
+
+}  // namespace bluez
+
+#endif  // DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_BLUEZ_H_