chromeos: Remove unused NFC D-Bus client library

chromeos/dbus/nfc_client_helpers.cc

Index: chromeos/dbus/nfc_client_helpers.cc
diff --git a/chromeos/dbus/nfc_client_helpers.cc b/chromeos/dbus/nfc_client_helpers.cc
deleted file mode 100644
index 2bdad84f2b08ccc67c801b087e863196a93562fc..0000000000000000000000000000000000000000
--- a/chromeos/dbus/nfc_client_helpers.cc
+++ /dev/null
@@ -1,253 +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_client_helpers.h"
-
-#include "base/stl_util.h"
-#include "dbus/values_util.h"
-
-namespace chromeos {
-namespace nfc_client_helpers {
-
-const char kNoResponseError[] = "org.chromium.Error.NoResponse";
-const char kUnknownObjectError[] = "org.chromium.Error.UnknownObject";
-
-void OnSuccess(const base::Closure& callback, dbus::Response* response) {
-  DCHECK(response);
-  callback.Run();
-}
-
-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);
-}
-
-DBusObjectMap::DBusObjectMap(const std::string& service_name,
-                             Delegate* delegate,
-                             dbus::Bus* bus)
-    : bus_(bus),
-      service_name_(service_name),
-      delegate_(delegate) {
-  DCHECK(bus_);
-  DCHECK(delegate_);
-}
-
-DBusObjectMap::~DBusObjectMap() {
-  // Clean up the Properties structures. We don't explicitly delete the object
-  // proxies, as they are owned by dbus::Bus.
-  for (ObjectMap::iterator iter = object_map_.begin();
-       iter != object_map_.end(); ++iter) {
-    const dbus::ObjectPath& object_path = iter->first;
-    ObjectPropertyPair pair = iter->second;
-    delegate_->ObjectRemoved(object_path);
-    CleanUpObjectPropertyPair(pair);
-  }
-}
-
-dbus::ObjectProxy* DBusObjectMap::GetObjectProxy(
-    const dbus::ObjectPath& object_path) {
-  return GetObjectPropertyPair(object_path).first;
-}
-
-NfcPropertySet* DBusObjectMap::GetObjectProperties(
-    const dbus::ObjectPath& object_path) {
-  return GetObjectPropertyPair(object_path).second;
-}
-
-void DBusObjectMap::UpdateObjects(const ObjectPathVector& object_paths) {
-  // This set is used to query if an object path was removed, while updating
-  // the removed paths below. The iterator is used as a hint to accelerate
-  // insertion.
-  std::set<dbus::ObjectPath> object_path_set;
-  std::set<dbus::ObjectPath>::iterator object_path_set_iter =
-      object_path_set.begin();
-
-  // Add all objects.
-  for (ObjectPathVector::const_iterator iter = object_paths.begin();
-       iter != object_paths.end(); ++iter) {
-    const dbus::ObjectPath &object_path = *iter;
-    AddObject(object_path);
-    // Neard usually returns object paths in ascending order. Give a hint here
-    // to make insertion amortized constant.
-    object_path_set_iter =
-        object_path_set.insert(object_path_set_iter, object_path);
-  }
-
-  // Remove all objects that are not in |object_paths|.
-  ObjectMap::const_iterator iter = object_map_.begin();
-  while (iter != object_map_.end()) {
-    // It is safe to use a const reference here, as DBusObjectMap::RemoveObject
-    // won't access it after the iterator becomes invalidated.
-    const dbus::ObjectPath &object_path = iter->first;
-    ++iter;
-    if (!base::ContainsKey(object_path_set, object_path))
-      RemoveObject(object_path);
-  }
-}
-
-bool DBusObjectMap::AddObject(const dbus::ObjectPath& object_path) {
-  ObjectMap::iterator iter = object_map_.find(object_path);
-  if (iter != object_map_.end())
-    return false;
-
-  DCHECK(bus_);
-  DCHECK(delegate_);
-  dbus::ObjectProxy* object_proxy = bus_->GetObjectProxy(service_name_,
-                                                         object_path);
-
-  // Create the properties structure.
-  NfcPropertySet* properties = delegate_->CreateProperties(object_proxy);
-  properties->ConnectSignals();
-  properties->GetAll();
-  ObjectPropertyPair object = std::make_pair(object_proxy, properties);
-  object_map_[object_path] = object;
-  VLOG(1) << "Created proxy for object with Path: " << object_path.value()
-          << ", Service: " << service_name_;
-  delegate_->ObjectAdded(object_path);
-  return true;
-}
-
-void DBusObjectMap::RemoveObject(const dbus::ObjectPath& object_path) {
-  DCHECK(bus_);
-  DCHECK(delegate_);
-  ObjectMap::iterator iter = object_map_.find(object_path);
-  if (iter == object_map_.end())
-    return;
-
-  // Notify the delegate, so that it can perform any clean up that is
-  // necessary.
-  delegate_->ObjectRemoved(object_path);
-
-  // Clean up the object proxy and the properties structure.
-  ObjectPropertyPair pair = iter->second;
-  CleanUpObjectPropertyPair(pair);
-  object_map_.erase(iter);
-  VLOG(1) << "Object proxy removed for object path: "
-          << object_path.value();
-}
-
-void DBusObjectMap::RefreshProperties(const dbus::ObjectPath& object_path) {
-  NfcPropertySet* properties = GetObjectProperties(object_path);
-  if (properties)
-    properties->GetAll();
-}
-
-void DBusObjectMap::RefreshAllProperties() {
-  for (ObjectMap::const_iterator iter = object_map_.begin();
-       iter != object_map_.end(); ++iter) {
-    const dbus::ObjectPath& object_path = iter->first;
-    RefreshProperties(object_path);
-  }
-}
-
-ObjectPathVector DBusObjectMap::GetObjectPaths() {
-  std::vector<dbus::ObjectPath> object_paths;
-  for (ObjectMap::const_iterator iter = object_map_.begin();
-       iter != object_map_.end(); ++iter) {
-    const dbus::ObjectPath& object_path = iter->first;
-    object_paths.push_back(object_path);
-  }
-  return object_paths;
-}
-
-DBusObjectMap::ObjectPropertyPair DBusObjectMap::GetObjectPropertyPair(
-    const dbus::ObjectPath& object_path) {
-  ObjectMap::iterator iter = object_map_.find(object_path);
-  if (iter != object_map_.end())
-    return iter->second;
-  return std::make_pair(static_cast<dbus::ObjectProxy*>(NULL),
-                        static_cast<NfcPropertySet*>(NULL));
-}
-
-void DBusObjectMap::CleanUpObjectPropertyPair(const ObjectPropertyPair& pair) {
-  // Don't remove the object proxy. There is a bug in dbus::Bus that causes a
-  // crash when object proxies are removed, due to the proxy objects not being
-  // properly reference counted. (See crbug.com/170182 and crbug.com/328264).
-  NfcPropertySet* properties = pair.second;
-  delete properties;
-}
-
-ObjectProxyTree::ObjectProxyTree() {
-}
-
-ObjectProxyTree::~ObjectProxyTree() {
-  for (PathsToObjectMapsType::iterator iter = paths_to_object_maps_.begin();
-       iter != paths_to_object_maps_.end(); ++iter) {
-    DBusObjectMap* object_map = iter->second;
-    delete object_map;
-  }
-}
-
-bool ObjectProxyTree::CreateObjectMap(const dbus::ObjectPath& object_path,
-                                      const std::string& service_name,
-                                      DBusObjectMap::Delegate* delegate,
-                                      dbus::Bus* bus) {
-  if (base::ContainsKey(paths_to_object_maps_, object_path)) {
-    LOG(ERROR) << "Mapping already exists for object path: "
-               << object_path.value();
-    return false;
-  }
-  paths_to_object_maps_[object_path] =
-      new DBusObjectMap(service_name, delegate, bus);
-  return true;
-}
-
-void ObjectProxyTree::RemoveObjectMap(const dbus::ObjectPath& object_path) {
-  PathsToObjectMapsType::iterator iter =
-      paths_to_object_maps_.find(object_path);
-  if (iter == paths_to_object_maps_.end())
-    return;
-  DBusObjectMap* object_map = iter->second;
-  paths_to_object_maps_.erase(iter);
-  delete object_map;
-}
-
-DBusObjectMap* ObjectProxyTree::GetObjectMap(
-    const dbus::ObjectPath& object_path) {
-  PathsToObjectMapsType::iterator iter =
-      paths_to_object_maps_.find(object_path);
-  if (iter == paths_to_object_maps_.end())
-    return NULL;
-  return iter->second;
-}
-
-dbus::ObjectProxy* ObjectProxyTree::FindObjectProxy(
-    const dbus::ObjectPath& object_proxy_path) {
-  for (PathsToObjectMapsType::iterator iter = paths_to_object_maps_.begin();
-       iter != paths_to_object_maps_.end(); ++iter) {
-    DBusObjectMap* object_map = iter->second;
-    dbus::ObjectProxy* object_proxy =
-        object_map->GetObjectProxy(object_proxy_path);
-    if (object_proxy)
-      return object_proxy;
-  }
-  return NULL;
-}
-
-NfcPropertySet* ObjectProxyTree::FindObjectProperties(
-    const dbus::ObjectPath& object_proxy_path) {
-  for (PathsToObjectMapsType::iterator iter = paths_to_object_maps_.begin();
-       iter != paths_to_object_maps_.end(); ++iter) {
-    DBusObjectMap* object_map = iter->second;
-    NfcPropertySet* properties =
-        object_map->GetObjectProperties(object_proxy_path);
-    if (properties)
-      return properties;
-  }
-  return NULL;
-}
-
-}  // namespace nfc_client_helpers
-}  // namespace chromeos