chromeos: Remove unused NFC D-Bus client library

chromeos/dbus/nfc_manager_client.cc

-// 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 "chromeos/dbus/nfc_manager_client.h"
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "dbus/bus.h"
-#include "third_party/cros_system_api/dbus/service_constants.h"
-
-namespace chromeos {
-
-NfcManagerClient::Properties::Properties(
-    dbus::ObjectProxy* object_proxy,
-    const PropertyChangedCallback& callback)
-    : NfcPropertySet(object_proxy,
-                     nfc_manager::kNfcManagerInterface,
-                     callback) {
-  RegisterProperty(nfc_manager::kAdaptersProperty, &adapters);
-}
-
-NfcManagerClient::Properties::~Properties() {
-}
-
-
-// The NfcManagerClient implementation used in production.
-class NfcManagerClientImpl : public NfcManagerClient {
- public:
-  NfcManagerClientImpl()
-      : object_proxy_(NULL),
-        weak_ptr_factory_(this) {
-  }
-
-  ~NfcManagerClientImpl() override {}
-
-  // NfcManagerClient override.
-  void AddObserver(Observer* observer) override {
-    DCHECK(observer);
-    observers_.AddObserver(observer);
-  }
-
-  // NfcManagerClient override.
-  void RemoveObserver(Observer* observer) override {
-    DCHECK(observer);
-    observers_.RemoveObserver(observer);
-  }
-
-  // NfcManagerClient override.
-  Properties* GetProperties() override { return properties_.get(); }
-
- protected:
-  // DBusClient override.
-  void Init(dbus::Bus* bus) override {
-    VLOG(1) << "Creating NfcManagerClientImpl";
-
-    // Create the object proxy.
-    object_proxy_ = bus->GetObjectProxy(
-        nfc_manager::kNfcManagerServiceName,
-        dbus::ObjectPath(nfc_manager::kNfcManagerServicePath));
-
-    // Set up the signal handlers.
-    object_proxy_->ConnectToSignal(
-        nfc_manager::kNfcManagerInterface,
-        nfc_manager::kAdapterAddedSignal,
-        base::Bind(&NfcManagerClientImpl::AdapterAddedReceived,
-                   weak_ptr_factory_.GetWeakPtr()),
-        base::Bind(&NfcManagerClientImpl::AdapterAddedConnected,
-                   weak_ptr_factory_.GetWeakPtr()));
-    object_proxy_->ConnectToSignal(
-        nfc_manager::kNfcManagerInterface,
-        nfc_manager::kAdapterRemovedSignal,
-        base::Bind(&NfcManagerClientImpl::AdapterRemovedReceived,
-                   weak_ptr_factory_.GetWeakPtr()),
-        base::Bind(&NfcManagerClientImpl::AdapterRemovedConnected,
-                   weak_ptr_factory_.GetWeakPtr()));
-
-    // Create the properties structure.
-    properties_.reset(new Properties(
-        object_proxy_,
-        base::Bind(&NfcManagerClientImpl::OnPropertyChanged,
-                   weak_ptr_factory_.GetWeakPtr())));
-    properties_->ConnectSignals();
-
-    object_proxy_->WaitForServiceToBeAvailable(
-        base::Bind(&NfcManagerClientImpl::OnServiceInitiallyAvailable,
-                   weak_ptr_factory_.GetWeakPtr()));
-  }
-
- private:
-  // Called by |object_proxy_| when the D-Bus service initially becomes
-  // available.
-  void OnServiceInitiallyAvailable(bool service_is_available) {
-    if (service_is_available)
-      properties_->GetAll();
-    else
-      LOG(ERROR) << "Failed to wait for D-Bus service to become available";
-  }
-
-  // NFC manager signal handlers.
-  void OnPropertyChanged(const std::string& property_name) {
-    VLOG(1) << "NFC Manager property changed: " << property_name;
-    FOR_EACH_OBSERVER(Observer, observers_,
-                      ManagerPropertyChanged(property_name));
-  }
-
-  // Called by dbus:: when an "AdapterAdded" signal is received.
-  void AdapterAddedReceived(dbus::Signal* signal) {
-    DCHECK(signal);
-    dbus::MessageReader reader(signal);
-    dbus::ObjectPath object_path;
-    if (!reader.PopObjectPath(&object_path)) {
-      LOG(WARNING) << "AdapterAdded signal has incorrect parameters: "
-                   << signal->ToString();
-      return;
-    }
-    VLOG(1) << "Adapter added: " << object_path.value();
-    FOR_EACH_OBSERVER(Observer, observers_, AdapterAdded(object_path));
-  }
-
-  // Called by dbus:: when the "AdapterAdded" signal is initially connected.
-  void AdapterAddedConnected(const std::string& interface_name,
-                             const std::string& signal_name,
-                             bool success) {
-    LOG_IF(WARNING, !success) << "Failed to connect to AdapterAdded signal.";
-  }
-
-  // Called by dbus:: when an "AdapterRemoved" signal is received..
-  void AdapterRemovedReceived(dbus::Signal* signal) {
-    DCHECK(signal);
-    dbus::MessageReader reader(signal);
-    dbus::ObjectPath object_path;
-    if (!reader.PopObjectPath(&object_path)) {
-      LOG(WARNING) << "AdapterRemoved signal has incorrect parameters: "
-                   << signal->ToString();
-      return;
-    }
-    VLOG(1) << "Adapter removed: " << object_path.value();
-    FOR_EACH_OBSERVER(Observer, observers_, AdapterRemoved(object_path));
-  }
-
-  // Called by dbus:: when the "AdapterAdded" signal is initially connected.
-  void AdapterRemovedConnected(const std::string& interface_name,
-                               const std::string& signal_name,
-                               bool success) {
-    LOG_IF(WARNING, !success) << "Failed to connect to AdapterRemoved signal.";
-  }
-
-  // D-Bus proxy for neard Manager interface.
-  dbus::ObjectProxy* object_proxy_;
-
-  // Properties for neard Manager interface.
-  std::unique_ptr<Properties> properties_;
-
-  // List of observers interested in event notifications.
-  base::ObserverList<NfcManagerClient::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<NfcManagerClientImpl> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(NfcManagerClientImpl);
-};
-
-NfcManagerClient::NfcManagerClient() {
-}
-
-NfcManagerClient::~NfcManagerClient() {
-}
-
-// static
-NfcManagerClient* NfcManagerClient::Create() {
-  return new NfcManagerClientImpl();
-}
-
-}  // namespace chromeos