Refactor DBusThreadManager to split away BT clients.

chromeos/dbus/bluetooth_gatt_service_client.cc

-// Copyright 2014 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 "chromeos/dbus/bluetooth_gatt_service_client.h"
-
-#include "base/bind.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "dbus/bus.h"
-#include "dbus/object_manager.h"
-#include "third_party/cros_system_api/dbus/service_constants.h"
-
-namespace chromeos {
-
-BluetoothGattServiceClient::Properties::Properties(
-    dbus::ObjectProxy* object_proxy,
-    const std::string& interface_name,
-    const PropertyChangedCallback&callback)
-    : dbus::PropertySet(object_proxy, interface_name, callback) {
-  RegisterProperty(bluetooth_gatt_service::kUUIDProperty, &uuid);
-  RegisterProperty(bluetooth_gatt_service::kIncludesProperty, &includes);
-  RegisterProperty(bluetooth_gatt_service::kDeviceProperty, &device);
-  RegisterProperty(bluetooth_gatt_service::kPrimaryProperty, &primary);
-  RegisterProperty(bluetooth_gatt_service::kCharacteristicsProperty,
-                   &characteristics);
-}
-
-BluetoothGattServiceClient::Properties::~Properties() {
-}
-
-// The BluetoothGattServiceClient implementation used in production.
-class BluetoothGattServiceClientImpl : public BluetoothGattServiceClient,
-                                       public dbus::ObjectManager::Interface {
- public:
-  BluetoothGattServiceClientImpl()
-      : object_manager_(NULL),
-        weak_ptr_factory_(this) {
-  }
-
-  ~BluetoothGattServiceClientImpl() override {
-    object_manager_->UnregisterInterface(
-        bluetooth_gatt_service::kBluetoothGattServiceInterface);
-  }
-
-  // BluetoothGattServiceClientImpl override.
-  void AddObserver(BluetoothGattServiceClient::Observer* observer) override {
-    DCHECK(observer);
-    observers_.AddObserver(observer);
-  }
-
-  // BluetoothGattServiceClientImpl override.
-  void RemoveObserver(BluetoothGattServiceClient::Observer* observer) override {
-    DCHECK(observer);
-    observers_.RemoveObserver(observer);
-  }
-
-  // BluetoothGattServiceClientImpl override.
-  std::vector<dbus::ObjectPath> GetServices() override {
-    DCHECK(object_manager_);
-    return object_manager_->GetObjectsWithInterface(
-        bluetooth_gatt_service::kBluetoothGattServiceInterface);
-  }
-
-  // BluetoothGattServiceClientImpl override.
-  Properties* GetProperties(const dbus::ObjectPath& object_path) override {
-    DCHECK(object_manager_);
-    return static_cast<Properties*>(
-        object_manager_->GetProperties(
-            object_path,
-            bluetooth_gatt_service::kBluetoothGattServiceInterface));
-  }
-
-  // dbus::ObjectManager::Interface override.
-  dbus::PropertySet* CreateProperties(
-      dbus::ObjectProxy* object_proxy,
-      const dbus::ObjectPath& object_path,
-      const std::string& interface_name) override {
-    Properties* properties = new Properties(
-        object_proxy,
-        interface_name,
-        base::Bind(&BluetoothGattServiceClientImpl::OnPropertyChanged,
-                   weak_ptr_factory_.GetWeakPtr(),
-                   object_path));
-    return static_cast<dbus::PropertySet*>(properties);
-  }
-
-  // dbus::ObjectManager::Interface override.
-  void ObjectAdded(const dbus::ObjectPath& object_path,
-                   const std::string& interface_name) override {
-    VLOG(2) << "Remote GATT service added: " << object_path.value();
-    FOR_EACH_OBSERVER(BluetoothGattServiceClient::Observer, observers_,
-                      GattServiceAdded(object_path));
-  }
-
-  // dbus::ObjectManager::Interface override.
-  void ObjectRemoved(const dbus::ObjectPath& object_path,
-                     const std::string& interface_name) override {
-    VLOG(2) << "Remote GATT service removed: " << object_path.value();
-    FOR_EACH_OBSERVER(BluetoothGattServiceClient::Observer, observers_,
-                      GattServiceRemoved(object_path));
-  }
-
- protected:
-  // chromeos::DBusClient override.
-  void Init(dbus::Bus* bus) override {
-    object_manager_ = bus->GetObjectManager(
-        bluetooth_object_manager::kBluetoothObjectManagerServiceName,
-        dbus::ObjectPath(
-            bluetooth_object_manager::kBluetoothObjectManagerServicePath));
-    object_manager_->RegisterInterface(
-        bluetooth_gatt_service::kBluetoothGattServiceInterface, this);
-  }
-
- private:
-  // Called by dbus::PropertySet when a property value is changed, either by
-  // result of a signal or response to a GetAll() or Get() call. Informs
-  // observers.
-  virtual void OnPropertyChanged(const dbus::ObjectPath& object_path,
-                                 const std::string& property_name) {
-    VLOG(2) << "Remote GATT service property changed: " << object_path.value()
-            << ": " << property_name;
-    FOR_EACH_OBSERVER(BluetoothGattServiceClient::Observer, observers_,
-                      GattServicePropertyChanged(object_path, property_name));
-  }
-
-  dbus::ObjectManager* object_manager_;
-
-  // List of observers interested in event notifications from us.
-  base::ObserverList<BluetoothGattServiceClient::Observer> observers_;
-
-  // Weak pointer factory for generating 'this' pointers that might live longer
-  // than we do.
-  // 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<BluetoothGattServiceClientImpl> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothGattServiceClientImpl);
-};
-
-BluetoothGattServiceClient::BluetoothGattServiceClient() {
-}
-
-BluetoothGattServiceClient::~BluetoothGattServiceClient() {
-}
-
-// static
-BluetoothGattServiceClient* BluetoothGattServiceClient::Create() {
-  return new BluetoothGattServiceClientImpl();
-}
-
-}  // namespace chromeos