| // Copyright 2013 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_input_client.h" |
| |
| #include <map> |
| |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/stl_util.h" |
| #include "dbus/bus.h" |
| #include "dbus/message.h" |
| #include "dbus/object_manager.h" |
| #include "dbus/object_proxy.h" |
| #include "third_party/cros_system_api/dbus/service_constants.h" |
| |
| namespace bluez { |
| |
| BluetoothInputClient::Properties::Properties( |
| dbus::ObjectProxy* object_proxy, |
| const std::string& interface_name, |
| const PropertyChangedCallback& callback) |
| : dbus::PropertySet(object_proxy, interface_name, callback) { |
| RegisterProperty(bluetooth_input::kReconnectModeProperty, &reconnect_mode); |
| } |
| |
| BluetoothInputClient::Properties::~Properties() = default; |
| |
| // The BluetoothInputClient implementation used in production. |
| class BluetoothInputClientImpl : public BluetoothInputClient, |
| public dbus::ObjectManager::Interface { |
| public: |
| BluetoothInputClientImpl() : object_manager_(NULL), weak_ptr_factory_(this) {} |
| |
| ~BluetoothInputClientImpl() override { |
| object_manager_->UnregisterInterface( |
| bluetooth_input::kBluetoothInputInterface); |
| } |
| |
| // BluetoothInputClient override. |
| void AddObserver(BluetoothInputClient::Observer* observer) override { |
| DCHECK(observer); |
| observers_.AddObserver(observer); |
| } |
| |
| // BluetoothInputClient override. |
| void RemoveObserver(BluetoothInputClient::Observer* observer) override { |
| DCHECK(observer); |
| observers_.RemoveObserver(observer); |
| } |
| |
| // 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(&BluetoothInputClientImpl::OnPropertyChanged, |
| weak_ptr_factory_.GetWeakPtr(), object_path)); |
| return static_cast<dbus::PropertySet*>(properties); |
| } |
| |
| // BluetoothInputClient override. |
| Properties* GetProperties(const dbus::ObjectPath& object_path) override { |
| return static_cast<Properties*>(object_manager_->GetProperties( |
| object_path, bluetooth_input::kBluetoothInputInterface)); |
| } |
| |
| protected: |
| 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_input::kBluetoothInputInterface, this); |
| } |
| |
| private: |
| // Called by dbus::ObjectManager when an object with the input interface |
| // is created. Informs observers. |
| void ObjectAdded(const dbus::ObjectPath& object_path, |
| const std::string& interface_name) override { |
| for (auto& observer : observers_) |
| observer.InputAdded(object_path); |
| } |
| |
| // Called by dbus::ObjectManager when an object with the input interface |
| // is removed. Informs observers. |
| void ObjectRemoved(const dbus::ObjectPath& object_path, |
| const std::string& interface_name) override { |
| for (auto& observer : observers_) |
| observer.InputRemoved(object_path); |
| } |
| |
| // Called by BluetoothPropertySet when a property value is changed, |
| // either by result of a signal or response to a GetAll() or Get() |
| // call. Informs observers. |
| void OnPropertyChanged(const dbus::ObjectPath& object_path, |
| const std::string& property_name) { |
| for (auto& observer : observers_) |
| observer.InputPropertyChanged(object_path, property_name); |
| } |
| |
| dbus::ObjectManager* object_manager_; |
| |
| // List of observers interested in event notifications from us. |
| base::ObserverList<BluetoothInputClient::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<BluetoothInputClientImpl> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BluetoothInputClientImpl); |
| }; |
| |
| BluetoothInputClient::BluetoothInputClient() = default; |
| |
| BluetoothInputClient::~BluetoothInputClient() = default; |
| |
| BluetoothInputClient* BluetoothInputClient::Create() { |
| return new BluetoothInputClientImpl(); |
| } |
| |
| } // namespace bluez |