| // 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 "device/bluetooth/dbus/bluetooth_gatt_service_client.h" |
| |
| #include "base/bind.h" |
| #include "base/macros.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 bluez { |
| |
| 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); |
| } |
| |
| BluetoothGattServiceClient::Properties::~Properties() = default; |
| |
| // 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 (auto& observer : observers_) |
| observer.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 (auto& observer : observers_) |
| observer.GattServiceRemoved(object_path); |
| } |
| |
| protected: |
| // bluez::DBusClient override. |
| void Init(dbus::Bus* bus, |
| const std::string& bluetooth_service_name) override { |
| object_manager_ = bus->GetObjectManager( |
| bluetooth_service_name, |
| 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 (auto& observer : observers_) |
| observer.GattServicePropertyChanged(object_path, property_name); |
| } |
| |
| dbus::ObjectManager* object_manager_; |
| |
| // List of observers interested in event notifications from us. |
| base::ObserverList<BluetoothGattServiceClient::Observer>::Unchecked |
| 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() = default; |
| |
| BluetoothGattServiceClient::~BluetoothGattServiceClient() = default; |
| |
| // static |
| BluetoothGattServiceClient* BluetoothGattServiceClient::Create() { |
| return new BluetoothGattServiceClientImpl(); |
| } |
| |
| } // namespace bluez |