| // 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_agent_manager_client.h" |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/observer_list.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 { |
| |
| const char BluetoothAgentManagerClient::kNoResponseError[] = |
| "org.chromium.Error.NoResponse"; |
| |
| // The BluetoothAgentManagerClient implementation used in production. |
| class BluetoothAgentManagerClientImpl : public BluetoothAgentManagerClient, |
| public dbus::ObjectManager::Interface { |
| public: |
| BluetoothAgentManagerClientImpl() : weak_ptr_factory_(this) {} |
| |
| ~BluetoothAgentManagerClientImpl() override = default; |
| |
| // BluetoothAgentManagerClient override. |
| void AddObserver(BluetoothAgentManagerClient::Observer* observer) override { |
| DCHECK(observer); |
| observers_.AddObserver(observer); |
| } |
| |
| // BluetoothAgentManagerClient override. |
| void RemoveObserver( |
| BluetoothAgentManagerClient::Observer* observer) override { |
| DCHECK(observer); |
| observers_.RemoveObserver(observer); |
| } |
| |
| // BluetoothAgentManagerClient override. |
| void RegisterAgent(const dbus::ObjectPath& agent_path, |
| const std::string& capability, |
| const base::Closure& callback, |
| const ErrorCallback& error_callback) override { |
| dbus::MethodCall method_call( |
| bluetooth_agent_manager::kBluetoothAgentManagerInterface, |
| bluetooth_agent_manager::kRegisterAgent); |
| |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendObjectPath(agent_path); |
| writer.AppendString(capability); |
| |
| object_proxy_->CallMethodWithErrorCallback( |
| &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&BluetoothAgentManagerClientImpl::OnSuccess, |
| weak_ptr_factory_.GetWeakPtr(), callback), |
| base::BindOnce(&BluetoothAgentManagerClientImpl::OnError, |
| weak_ptr_factory_.GetWeakPtr(), error_callback)); |
| } |
| |
| // BluetoothAgentManagerClient override. |
| void UnregisterAgent(const dbus::ObjectPath& agent_path, |
| const base::Closure& callback, |
| const ErrorCallback& error_callback) override { |
| dbus::MethodCall method_call( |
| bluetooth_agent_manager::kBluetoothAgentManagerInterface, |
| bluetooth_agent_manager::kUnregisterAgent); |
| |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendObjectPath(agent_path); |
| |
| object_proxy_->CallMethodWithErrorCallback( |
| &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&BluetoothAgentManagerClientImpl::OnSuccess, |
| weak_ptr_factory_.GetWeakPtr(), callback), |
| base::BindOnce(&BluetoothAgentManagerClientImpl::OnError, |
| weak_ptr_factory_.GetWeakPtr(), error_callback)); |
| } |
| |
| // BluetoothAgentManagerClient override. |
| void RequestDefaultAgent(const dbus::ObjectPath& agent_path, |
| const base::Closure& callback, |
| const ErrorCallback& error_callback) override { |
| dbus::MethodCall method_call( |
| bluetooth_agent_manager::kBluetoothAgentManagerInterface, |
| bluetooth_agent_manager::kRequestDefaultAgent); |
| |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendObjectPath(agent_path); |
| |
| object_proxy_->CallMethodWithErrorCallback( |
| &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&BluetoothAgentManagerClientImpl::OnSuccess, |
| weak_ptr_factory_.GetWeakPtr(), callback), |
| base::BindOnce(&BluetoothAgentManagerClientImpl::OnError, |
| weak_ptr_factory_.GetWeakPtr(), error_callback)); |
| } |
| |
| protected: |
| void Init(dbus::Bus* bus, |
| const std::string& bluetooth_service_name) override { |
| DCHECK(bus); |
| object_proxy_ = bus->GetObjectProxy( |
| bluetooth_service_name, |
| dbus::ObjectPath( |
| bluetooth_agent_manager::kBluetoothAgentManagerServicePath)); |
| |
| object_manager_ = bus->GetObjectManager( |
| bluetooth_service_name, |
| dbus::ObjectPath( |
| bluetooth_object_manager::kBluetoothObjectManagerServicePath)); |
| object_manager_->RegisterInterface( |
| bluetooth_agent_manager::kBluetoothAgentManagerInterface, this); |
| } |
| |
| private: |
| // Called by dbus::ObjectManager when an object with the agent manager |
| // interface is created. Informs observers. |
| void ObjectAdded(const dbus::ObjectPath& object_path, |
| const std::string& interface_name) override { |
| for (auto& observer : observers_) |
| observer.AgentManagerAdded(object_path); |
| } |
| |
| // Called by dbus::ObjectManager when an object with the adapter interface |
| // is removed. Informs observers. |
| void ObjectRemoved(const dbus::ObjectPath& object_path, |
| const std::string& interface_name) override { |
| for (auto& observer : observers_) |
| observer.AgentManagerRemoved(object_path); |
| } |
| |
| // dbus::ObjectManager::Interface override. |
| dbus::PropertySet* CreateProperties( |
| dbus::ObjectProxy* object_proxy, |
| const dbus::ObjectPath& object_path, |
| const std::string& interface_name) override { |
| return new dbus::PropertySet(object_proxy, interface_name, |
| base::DoNothing()); |
| } |
| |
| // Called when a response for successful method call is received. |
| void OnSuccess(const base::Closure& callback, dbus::Response* response) { |
| DCHECK(response); |
| callback.Run(); |
| } |
| |
| // Called when a response for a failed method call is received. |
| void OnError(const ErrorCallback& error_callback, |
| dbus::ErrorResponse* response) { |
| // Error response has optional error message argument. |
| std::string error_name; |
| std::string error_message; |
| if (response) { |
| dbus::MessageReader reader(response); |
| error_name = response->GetErrorName(); |
| reader.PopString(&error_message); |
| } else { |
| error_name = kNoResponseError; |
| error_message = ""; |
| } |
| error_callback.Run(error_name, error_message); |
| } |
| |
| dbus::ObjectProxy* object_proxy_; |
| |
| dbus::ObjectManager* object_manager_; |
| |
| // List of observers interested in event notifications from us. |
| base::ObserverList<BluetoothAgentManagerClient::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<BluetoothAgentManagerClientImpl> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BluetoothAgentManagerClientImpl); |
| }; |
| |
| BluetoothAgentManagerClient::BluetoothAgentManagerClient() = default; |
| |
| BluetoothAgentManagerClient::~BluetoothAgentManagerClient() = default; |
| |
| BluetoothAgentManagerClient* BluetoothAgentManagerClient::Create() { |
| return new BluetoothAgentManagerClientImpl(); |
| } |
| |
| } // namespace bluez |