chromeos: Remove unused NFC D-Bus client library

chromeos/dbus/nfc_adapter_client.cc

Index: chromeos/dbus/nfc_adapter_client.cc
diff --git a/chromeos/dbus/nfc_adapter_client.cc b/chromeos/dbus/nfc_adapter_client.cc
deleted file mode 100644
index fe0b0d9949890e5c61a14c39ebd4faf459194011..0000000000000000000000000000000000000000
--- a/chromeos/dbus/nfc_adapter_client.cc
+++ /dev/null
@@ -1,223 +0,0 @@
-// 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_adapter_client.h"
-
-#include <map>
-#include <memory>
-#include <utility>
-
-#include "base/bind.h"
-#include "base/macros.h"
-#include "base/observer_list.h"
-#include "base/strings/stringprintf.h"
-#include "chromeos/dbus/nfc_manager_client.h"
-#include "dbus/bus.h"
-#include "dbus/message.h"
-#include "third_party/cros_system_api/dbus/service_constants.h"
-
-namespace chromeos {
-
-NfcAdapterClient::Properties::Properties(
-    dbus::ObjectProxy* object_proxy,
-    const PropertyChangedCallback& callback)
-    : NfcPropertySet(object_proxy,
-                     nfc_adapter::kNfcAdapterInterface,
-                     callback) {
-  RegisterProperty(nfc_adapter::kModeProperty, &mode);
-  RegisterProperty(nfc_adapter::kPoweredProperty, &powered);
-  RegisterProperty(nfc_adapter::kPollingProperty, &polling);
-  RegisterProperty(nfc_adapter::kProtocolsProperty, &protocols);
-  RegisterProperty(nfc_adapter::kTagsProperty, &tags);
-  RegisterProperty(nfc_adapter::kDevicesProperty, &devices);
-}
-
-NfcAdapterClient::Properties::~Properties() {
-}
-
-// The NfcAdapterClient implementation used in production.
-class NfcAdapterClientImpl
-    : public NfcAdapterClient,
-      public NfcManagerClient::Observer,
-      public nfc_client_helpers::DBusObjectMap::Delegate {
- public:
-  explicit NfcAdapterClientImpl(NfcManagerClient* manager_client)
-      : bus_(NULL),
-        manager_client_(manager_client),
-        weak_ptr_factory_(this) {
-    DCHECK(manager_client);
-  }
-
-  ~NfcAdapterClientImpl() override { manager_client_->RemoveObserver(this); }
-
-  // NfcAdapterClient override.
-  void AddObserver(NfcAdapterClient::Observer* observer) override {
-    DCHECK(observer);
-    observers_.AddObserver(observer);
-  }
-
-  // NfcAdapterClient override.
-  void RemoveObserver(NfcAdapterClient::Observer* observer) override {
-    DCHECK(observer);
-    observers_.RemoveObserver(observer);
-  }
-
-  // NfcAdapterClient override.
-  std::vector<dbus::ObjectPath> GetAdapters() override {
-    return object_map_->GetObjectPaths();
-  }
-
-  // NfcAdapterClient override.
-  Properties* GetProperties(const dbus::ObjectPath& object_path) override {
-    return static_cast<Properties*>(
-        object_map_->GetObjectProperties(object_path));
-  }
-
-  // NfcAdapterClient override.
-  void StartPollLoop(
-      const dbus::ObjectPath& object_path,
-      const std::string& mode,
-      const base::Closure& callback,
-      const nfc_client_helpers::ErrorCallback& error_callback) override {
-    dbus::ObjectProxy* object_proxy = object_map_->GetObjectProxy(object_path);
-    if (!object_proxy) {
-      std::string error_message =
-          base::StringPrintf("NFC adapter with object path \"%s\" does not "
-                             "exist.", object_path.value().c_str());
-      LOG(ERROR) << error_message;
-      error_callback.Run(nfc_client_helpers::kUnknownObjectError,
-                         error_message);
-      return;
-    }
-    dbus::MethodCall method_call(nfc_adapter::kNfcAdapterInterface,
-                                 nfc_adapter::kStartPollLoop);
-    dbus::MessageWriter writer(&method_call);
-    writer.AppendString(mode);
-    object_proxy->CallMethodWithErrorCallback(
-        &method_call,
-        dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
-        base::Bind(&nfc_client_helpers::OnSuccess, callback),
-        base::Bind(&nfc_client_helpers::OnError, error_callback));
-  }
-
-  // NfcAdapterClient override.
-  void StopPollLoop(
-      const dbus::ObjectPath& object_path,
-      const base::Closure& callback,
-      const nfc_client_helpers::ErrorCallback& error_callback) override {
-    dbus::ObjectProxy* object_proxy = object_map_->GetObjectProxy(object_path);
-    if (!object_proxy) {
-      std::string error_message =
-          base::StringPrintf("NFC adapter with object path \"%s\" does not "
-                             "exist.", object_path.value().c_str());
-      LOG(ERROR) << error_message;
-      error_callback.Run(nfc_client_helpers::kUnknownObjectError,
-                         error_message);
-      return;
-    }
-    dbus::MethodCall method_call(nfc_adapter::kNfcAdapterInterface,
-                                 nfc_adapter::kStopPollLoop);
-    object_proxy->CallMethodWithErrorCallback(
-        &method_call,
-        dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
-        base::Bind(&nfc_client_helpers::OnSuccess, callback),
-        base::Bind(&nfc_client_helpers::OnError, error_callback));
-  }
-
- protected:
-  // DBusClient override.
-  void Init(dbus::Bus* bus) override {
-    VLOG(1) << "Creating NfcAdapterClientImpl";
-    DCHECK(bus);
-    bus_ = bus;
-    object_map_.reset(new nfc_client_helpers::DBusObjectMap(
-        nfc_adapter::kNfcAdapterServiceName, this, bus));
-    DCHECK(manager_client_);
-    manager_client_->AddObserver(this);
-  }
-
- private:
-  // NfcManagerClient::Observer override.
-  void ManagerPropertyChanged(const std::string& property_name) override {
-    // Update the adapter proxies.
-    DCHECK(manager_client_);
-    NfcManagerClient::Properties* manager_properties =
-        manager_client_->GetProperties();
-
-    // Ignore changes to properties other than "Adapters".
-    if (property_name != manager_properties->adapters.name())
-      return;
-
-    // Update the known adapters.
-    VLOG(1) << "NFC adapters changed.";
-    const std::vector<dbus::ObjectPath>& received_adapters =
-        manager_properties->adapters.value();
-    object_map_->UpdateObjects(received_adapters);
-  }
-
-  // nfc_client_helpers::DBusObjectMap::Delegate override.
-  NfcPropertySet* CreateProperties(dbus::ObjectProxy* object_proxy) override {
-    return new Properties(
-        object_proxy,
-        base::Bind(&NfcAdapterClientImpl::OnPropertyChanged,
-                   weak_ptr_factory_.GetWeakPtr(),
-                   object_proxy->object_path()));
-  }
-
-  // nfc_client_helpers::DBusObjectMap::Delegate override.
-  void ObjectAdded(const dbus::ObjectPath& object_path) override {
-    FOR_EACH_OBSERVER(NfcAdapterClient::Observer, observers_,
-                      AdapterAdded(object_path));
-  }
-
-  // nfc_client_helpers::DBusObjectMap::Delegate override.
-  void ObjectRemoved(const dbus::ObjectPath& object_path) override {
-    FOR_EACH_OBSERVER(NfcAdapterClient::Observer, observers_,
-                      AdapterRemoved(object_path));
-  }
-
-  // Called by NfcPropertySet when a property value is changed, either by
-  // result of a signal or response to a GetAll() or Get() call.
-  void OnPropertyChanged(const dbus::ObjectPath& object_path,
-                         const std::string& property_name) {
-    VLOG(1) << "Adapter property changed; Path: " << object_path.value()
-            << " Property: " << property_name;
-    FOR_EACH_OBSERVER(NfcAdapterClient::Observer, observers_,
-                      AdapterPropertyChanged(object_path, property_name));
-  }
-
-  // We maintain a pointer to the bus to be able to request proxies for
-  // new NFC adapters that appear.
-  dbus::Bus* bus_;
-
-  // List of observers interested in event notifications.
-  base::ObserverList<NfcAdapterClient::Observer> observers_;
-
-  // Mapping from object paths to object proxies and properties structures that
-  // were already created by us.
-  std::unique_ptr<nfc_client_helpers::DBusObjectMap> object_map_;
-
-  // The manager client that we listen to events notifications from.
-  NfcManagerClient* manager_client_;
-
-  // 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<NfcAdapterClientImpl> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(NfcAdapterClientImpl);
-};
-
-NfcAdapterClient::NfcAdapterClient() {
-}
-
-NfcAdapterClient::~NfcAdapterClient() {
-}
-
-NfcAdapterClient* NfcAdapterClient::Create(NfcManagerClient* manager_client) {
-  return new NfcAdapterClientImpl(manager_client);
-}
-
-}  // namespace chromeos