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

device/bluetooth/bluetooth_local_gatt_characteristic.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_BLUETOOTH_LOCAL_GATT_CHARACTERISTIC_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_LOCAL_GATT_CHARACTERISTIC_H_
+
+#include <stdint.h>
+#include <vector>
+
+#include "base/macros.h"
+#include "device/bluetooth/bluetooth_export.h"
+#include "device/bluetooth/bluetooth_gatt_characteristic.h"
+#include "device/bluetooth/bluetooth_local_gatt_service.h"
+#include "device/bluetooth/bluetooth_uuid.h"
+
+namespace device {
+
+// BluetoothLocalGattCharacteristic represents a local GATT characteristic. This
+// class is used to represent GATT characteristics that belong to a locally
+// hosted service. To achieve this, users need to specify the instance of the
+// GATT service that contains this characteristic during construction.
+//
+// Note: We use virtual inheritance on the GATT characteristic since it will be
+// inherited by platform specific versions of the GATT characteristic classes
+// also. The platform specific remote GATT characteristic classes will inherit
+// both this class and their GATT characteristic class, hence causing an
+// inheritance diamond.
+class DEVICE_BLUETOOTH_EXPORT BluetoothLocalGattCharacteristic
+    : public virtual BluetoothGattCharacteristic {
+ public:
+  // Constructs a BluetoothLocalGattCharacteristic associated with a local GATT
+  // service when the adapter is in the peripheral role.
+  //
+  // This method constructs a characteristic with UUID |uuid|, initial cached
+  // value |value|, properties |properties|, and permissions |permissions|.
+  // |value| will be cached and returned for read requests and automatically set
+  // for write requests by default, unless an instance of
+  // BluetoothRemoteGattService::Delegate has been provided to the associated
+  // BluetoothRemoteGattService instance, in which case the delegate will handle
+  // read
+  // and write requests. The service instance will contain this characteristic.
+  // TODO(rkc): Investigate how to handle |PROPERTY_EXTENDED_PROPERTIES|
+  // correctly.
+  static BluetoothLocalGattCharacteristic* Create(
+      const BluetoothUUID& uuid,
+      const std::vector<uint8_t>& value,
+      Properties properties,
+      Permissions permissions,
+      BluetoothLocalGattService* service);
+
+ protected:
+  BluetoothLocalGattCharacteristic();
+  ~BluetoothLocalGattCharacteristic() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BluetoothLocalGattCharacteristic);
+};
+
+}  // namespace device
+
+#endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOCAL_GATT_CHARACTERISTIC_H_