Complete //device/bt implementation for hosting local GATT attributes.

device/bluetooth/bluez/bluetooth_local_gatt_descriptor_bluez.cc

 // 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.
 
 #include "device/bluetooth/bluez/bluetooth_local_gatt_descriptor_bluez.h"
 
 #include <string>
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
+#include "device/bluetooth/bluez/bluetooth_local_gatt_characteristic_bluez.h"
+#include "device/bluetooth/bluez/bluetooth_local_gatt_service_bluez.h"
 
 namespace bluez {
 
+device::BluetoothUUID BluetoothLocalGattDescriptorBlueZ::GetUUID() const {
+  return uuid_;
+}
+
+device::BluetoothGattCharacteristic::Permissions
+BluetoothLocalGattDescriptorBlueZ::GetPermissions() const {
+  return device::BluetoothGattCharacteristic::Permissions();
+}
+
+// static
+base::WeakPtr<device::BluetoothLocalGattDescriptor>
+BluetoothLocalGattDescriptorBlueZ::Create(
+    const device::BluetoothUUID& uuid,
+    device::BluetoothGattCharacteristic::Permissions permissions,
+    device::BluetoothLocalGattCharacteristic* characteristic) {
+  DCHECK(characteristic);
+  BluetoothLocalGattCharacteristicBlueZ* characteristic_bluez =
+      static_cast<BluetoothLocalGattCharacteristicBlueZ*>(characteristic);
+  BluetoothLocalGattDescriptorBlueZ* descriptor =
+      new BluetoothLocalGattDescriptorBlueZ(uuid, characteristic_bluez);
+  characteristic_bluez->AddDescriptor(base::WrapUnique(descriptor));
+  return descriptor->weak_ptr_factory_.GetWeakPtr();
+}
+
 BluetoothLocalGattDescriptorBlueZ::BluetoothLocalGattDescriptorBlueZ(
-    const dbus::ObjectPath& object_path)
-    : BluetoothGattDescriptorBlueZ(object_path), weak_ptr_factory_(this) {
+    const device::BluetoothUUID& uuid,
+    BluetoothLocalGattCharacteristicBlueZ* characteristic)
+    : uuid_(uuid), characteristic_(characteristic), weak_ptr_factory_(this) {
+  DCHECK(characteristic->GetService());
+  object_path_ =
+      characteristic->GetService()->GenerateAttributeObjectPath("descriptor");
   VLOG(1) << "Creating local GATT descriptor with identifier: "
           << GetIdentifier();
 }
 
 BluetoothLocalGattDescriptorBlueZ::~BluetoothLocalGattDescriptorBlueZ() {}
 
+BluetoothLocalGattCharacteristicBlueZ*
+BluetoothLocalGattDescriptorBlueZ::GetCharacteristic() const {
+  return characteristic_;
+}
+
 }  // namespace bluez