Refactor DBusThreadManager to split away BT clients.

chromeos/dbus/bluetooth_le_advertising_manager_client.cc

-// Copyright 2015 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_le_advertising_manager_client.h"
-
-#include "base/bind.h"
-#include "base/logging.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 chromeos {
-
-const char BluetoothLEAdvertisingManagerClient::kNoResponseError[] =
-    "org.chromium.Error.NoResponse";
-
-// The BluetoothAdvertisementManagerClient implementation used in production.
-class BluetoothAdvertisementManagerClientImpl
-    : public BluetoothLEAdvertisingManagerClient,
-      public dbus::ObjectManager::Interface {
- public:
-  BluetoothAdvertisementManagerClientImpl()
-      : object_manager_(NULL), weak_ptr_factory_(this) {}
-
-  ~BluetoothAdvertisementManagerClientImpl() override {
-    if (object_manager_) {
-      object_manager_->UnregisterInterface(
-          bluetooth_advertising_manager::kBluetoothAdvertisingManagerInterface);
-    }
-  }
-
-  // BluetoothAdapterClient override.
-  void AddObserver(
-      BluetoothLEAdvertisingManagerClient::Observer* observer) override {
-    DCHECK(observer);
-    observers_.AddObserver(observer);
-  }
-
-  // BluetoothAdapterClient override.
-  void RemoveObserver(
-      BluetoothLEAdvertisingManagerClient::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 {
-    return new dbus::PropertySet(object_proxy, interface_name,
-                                 dbus::PropertySet::PropertyChangedCallback());
-  }
-
-  // BluetoothAdvertisementManagerClient override.
-  void RegisterAdvertisement(const dbus::ObjectPath& manager_object_path,
-                             const dbus::ObjectPath& advertisement_object_path,
-                             const base::Closure& callback,
-                             const ErrorCallback& error_callback) override {
-    dbus::MethodCall method_call(
-        bluetooth_advertising_manager::kBluetoothAdvertisingManagerInterface,
-        bluetooth_advertising_manager::kRegisterAdvertisement);
-
-    dbus::MessageWriter writer(&method_call);
-    writer.AppendObjectPath(advertisement_object_path);
-
-    // Empty dictionary for options.
-    dbus::MessageWriter array_writer(NULL);
-    writer.OpenArray("{sv}", &array_writer);
-    writer.CloseContainer(&array_writer);
-
-    DCHECK(object_manager_);
-    dbus::ObjectProxy* object_proxy =
-        object_manager_->GetObjectProxy(manager_object_path);
-    object_proxy->CallMethodWithErrorCallback(
-        &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
-        base::Bind(&BluetoothAdvertisementManagerClientImpl::OnSuccess,
-                   weak_ptr_factory_.GetWeakPtr(), callback),
-        base::Bind(&BluetoothAdvertisementManagerClientImpl::OnError,
-                   weak_ptr_factory_.GetWeakPtr(), error_callback));
-  }
-
-  // BluetoothAdvertisementManagerClient override.
-  void UnregisterAdvertisement(
-      const dbus::ObjectPath& manager_object_path,
-      const dbus::ObjectPath& advertisement_object_path,
-      const base::Closure& callback,
-      const ErrorCallback& error_callback) override {
-    dbus::MethodCall method_call(
-        bluetooth_advertising_manager::kBluetoothAdvertisingManagerInterface,
-        bluetooth_advertising_manager::kUnregisterAdvertisement);
-
-    dbus::MessageWriter writer(&method_call);
-    writer.AppendObjectPath(advertisement_object_path);
-
-    DCHECK(object_manager_);
-    dbus::ObjectProxy* object_proxy =
-        object_manager_->GetObjectProxy(manager_object_path);
-    object_proxy->CallMethodWithErrorCallback(
-        &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
-        base::Bind(&BluetoothAdvertisementManagerClientImpl::OnSuccess,
-                   weak_ptr_factory_.GetWeakPtr(), callback),
-        base::Bind(&BluetoothAdvertisementManagerClientImpl::OnError,
-                   weak_ptr_factory_.GetWeakPtr(), error_callback));
-  }
-
- protected:
-  void Init(dbus::Bus* bus) override {
-    DCHECK(bus);
-    object_manager_ = bus->GetObjectManager(
-        bluetooth_object_manager::kBluetoothObjectManagerServiceName,
-        dbus::ObjectPath(
-            bluetooth_object_manager::kBluetoothObjectManagerServicePath));
-    object_manager_->RegisterInterface(
-        bluetooth_advertising_manager::kBluetoothAdvertisingManagerInterface,
-        this);
-  }
-
- private:
-  // Called by dbus::ObjectManager when an object with the advertising manager
-  // interface is created. Informs observers.
-  void ObjectAdded(const dbus::ObjectPath& object_path,
-                   const std::string& interface_name) override {
-    FOR_EACH_OBSERVER(BluetoothLEAdvertisingManagerClient::Observer, observers_,
-                      AdvertisingManagerAdded(object_path));
-  }
-
-  // Called by dbus::ObjectManager when an object with the advertising manager
-  // interface is removed. Informs observers.
-  void ObjectRemoved(const dbus::ObjectPath& object_path,
-                     const std::string& interface_name) override {
-    FOR_EACH_OBSERVER(BluetoothLEAdvertisingManagerClient::Observer, observers_,
-                      AdvertisingManagerRemoved(object_path));
-  }
-
-  // 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::ObjectManager* object_manager_;
-
-  // List of observers interested in event notifications from us.
-  base::ObserverList<BluetoothLEAdvertisingManagerClient::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<BluetoothAdvertisementManagerClientImpl>
-      weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothAdvertisementManagerClientImpl);
-};
-
-BluetoothLEAdvertisingManagerClient::BluetoothLEAdvertisingManagerClient() {
-}
-
-BluetoothLEAdvertisingManagerClient::~BluetoothLEAdvertisingManagerClient() {
-}
-
-BluetoothLEAdvertisingManagerClient*
-BluetoothLEAdvertisingManagerClient::Create() {
-  return new BluetoothAdvertisementManagerClientImpl();
-}
-
-}  // namespace chromeos