chromeos: Remove unused NFC D-Bus client library

device/nfc/nfc_adapter_chromeos.cc

Index: device/nfc/nfc_adapter_chromeos.cc
diff --git a/device/nfc/nfc_adapter_chromeos.cc b/device/nfc/nfc_adapter_chromeos.cc
deleted file mode 100644
index 374e8ac83e94901efc4e87b28e7899f58c846e73..0000000000000000000000000000000000000000
--- a/device/nfc/nfc_adapter_chromeos.cc
+++ /dev/null
@@ -1,396 +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 "device/nfc/nfc_adapter_chromeos.h"
-
-#include <vector>
-
-#include "base/callback.h"
-#include "base/logging.h"
-#include "chromeos/dbus/dbus_thread_manager.h"
-#include "device/nfc/nfc_peer_chromeos.h"
-#include "device/nfc/nfc_tag_chromeos.h"
-#include "third_party/cros_system_api/dbus/service_constants.h"
-
-namespace chromeos {
-
-namespace {
-
-typedef std::vector<dbus::ObjectPath> ObjectPathVector;
-
-}  // namespace
-
-NfcAdapterChromeOS::NfcAdapterChromeOS()
-    : weak_ptr_factory_(this) {
-  DBusThreadManager::Get()->GetNfcAdapterClient()->AddObserver(this);
-  DBusThreadManager::Get()->GetNfcDeviceClient()->AddObserver(this);
-  DBusThreadManager::Get()->GetNfcTagClient()->AddObserver(this);
-
-  const ObjectPathVector& object_paths =
-      DBusThreadManager::Get()->GetNfcAdapterClient()->GetAdapters();
-  if (!object_paths.empty()) {
-    VLOG(1) << object_paths.size() << " NFC adapter(s) available.";
-    SetAdapter(object_paths[0]);
-  }
-}
-
-NfcAdapterChromeOS::~NfcAdapterChromeOS() {
-  DBusThreadManager::Get()->GetNfcAdapterClient()->RemoveObserver(this);
-  DBusThreadManager::Get()->GetNfcDeviceClient()->RemoveObserver(this);
-  DBusThreadManager::Get()->GetNfcTagClient()->RemoveObserver(this);
-}
-
-void NfcAdapterChromeOS::AddObserver(NfcAdapter::Observer* observer) {
-  DCHECK(observer);
-  observers_.AddObserver(observer);
-}
-
-void NfcAdapterChromeOS::RemoveObserver(NfcAdapter::Observer* observer) {
-  DCHECK(observer);
-  observers_.RemoveObserver(observer);
-}
-
-bool NfcAdapterChromeOS::IsPresent() const {
-  return !object_path_.value().empty();
-}
-
-bool NfcAdapterChromeOS::IsPowered() const {
-  if (!IsPresent())
-    return false;
-  return DBusThreadManager::Get()->GetNfcAdapterClient()->
-      GetProperties(object_path_)->powered.value();
-}
-
-bool NfcAdapterChromeOS::IsPolling() const {
-  if (!IsPresent())
-    return false;
-  return DBusThreadManager::Get()->GetNfcAdapterClient()->
-      GetProperties(object_path_)->polling.value();
-}
-
-bool NfcAdapterChromeOS::IsInitialized() const {
-  return true;
-}
-
-void NfcAdapterChromeOS::SetPowered(bool powered,
-                                    const base::Closure& callback,
-                                    const ErrorCallback& error_callback) {
-  if (!IsPresent()) {
-    LOG(WARNING) << "Adapter not present. Cannot power up the antenna.";
-    error_callback.Run();
-    return;
-  }
-  DBusThreadManager::Get()->GetNfcAdapterClient()->
-      GetProperties(object_path_)->powered.Set(
-          powered,
-          base::Bind(&NfcAdapterChromeOS::OnSetPowered,
-                     weak_ptr_factory_.GetWeakPtr(),
-                     callback,
-                     error_callback));
-}
-
-void NfcAdapterChromeOS::StartPolling(const base::Closure& callback,
-                                      const ErrorCallback& error_callback) {
-  // Always poll in "Initiator" mode.
-  DBusThreadManager::Get()->GetNfcAdapterClient()->
-      StartPollLoop(object_path_,
-                    nfc_adapter::kModeInitiator,
-                    base::Bind(&NfcAdapterChromeOS::OnStartPolling,
-                               weak_ptr_factory_.GetWeakPtr(),
-                               callback),
-                    base::Bind(&NfcAdapterChromeOS::OnStartPollingError,
-                               weak_ptr_factory_.GetWeakPtr(),
-                               error_callback));
-}
-
-void NfcAdapterChromeOS::StopPolling(const base::Closure& callback,
-                                     const ErrorCallback& error_callback) {
-  DBusThreadManager::Get()->GetNfcAdapterClient()->
-      StopPollLoop(object_path_,
-                   base::Bind(&NfcAdapterChromeOS::OnStopPolling,
-                              weak_ptr_factory_.GetWeakPtr(),
-                              callback),
-                   base::Bind(&NfcAdapterChromeOS::OnStopPollingError,
-                              weak_ptr_factory_.GetWeakPtr(),
-                              error_callback));
-}
-
-void NfcAdapterChromeOS::AdapterAdded(const dbus::ObjectPath& object_path) {
-  // Set the adapter to the newly added adapter only if no adapter is present.
-  if (!IsPresent())
-    SetAdapter(object_path);
-}
-
-void NfcAdapterChromeOS::AdapterRemoved(const dbus::ObjectPath& object_path) {
-  if (object_path != object_path_)
-    return;
-
-  // The current adapter was removed, so mark us as not present and clean up
-  // peers and tags.
-  RemoveAdapter();
-
-  // There may still be other adapters present on the system. Set the next
-  // available adapter as the current one.
-  const ObjectPathVector& object_paths =
-      DBusThreadManager::Get()->GetNfcAdapterClient()->GetAdapters();
-  for (ObjectPathVector::const_iterator iter =
-          object_paths.begin();
-       iter != object_paths.end(); ++iter) {
-    // The removed object will still be available until the call to
-    // AdapterRemoved returns. Make sure that we are not re-adding the
-    // removed adapter.
-    if (*iter == object_path)
-      continue;
-    SetAdapter(*iter);
-  }
-}
-
-void NfcAdapterChromeOS::AdapterPropertyChanged(
-    const dbus::ObjectPath& object_path,
-    const std::string& property_name) {
-  if (object_path != object_path_)
-    return;
-  NfcAdapterClient::Properties* properties =
-      DBusThreadManager::Get()->GetNfcAdapterClient()->
-          GetProperties(object_path_);
-  if (property_name == properties->powered.name())
-    PoweredChanged(properties->powered.value());
-  else if (property_name == properties->polling.name())
-    PollingChanged(properties->polling.value());
-}
-
-void NfcAdapterChromeOS::DeviceAdded(const dbus::ObjectPath& object_path) {
-  if (!IsPresent())
-    return;
-
-  if (GetPeer(object_path.value()))
-    return;
-
-  VLOG(1) << "NFC device found: " << object_path.value();
-
-  // Check to see if the device belongs to this adapter.
-  const ObjectPathVector& devices =
-      DBusThreadManager::Get()->GetNfcDeviceClient()->
-          GetDevicesForAdapter(object_path_);
-  bool device_found = false;
-  for (ObjectPathVector::const_iterator iter = devices.begin();
-       iter != devices.end(); ++iter) {
-    if (*iter == object_path) {
-      device_found = true;
-      break;
-    }
-  }
-  if (!device_found) {
-    VLOG(1) << "Found peer device does not belong to the current adapter.";
-    return;
-  }
-
-  // Create the peer object.
-  NfcPeerChromeOS* peer_chromeos = new NfcPeerChromeOS(object_path);
-  SetPeer(object_path.value(), peer_chromeos);
-  FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_,
-                    PeerFound(this, peer_chromeos));
-}
-
-void NfcAdapterChromeOS::DeviceRemoved(const dbus::ObjectPath& object_path) {
-  VLOG(1) << "NFC device lost: " << object_path.value();
-  device::NfcPeer* peer = RemovePeer(object_path.value());
-  if (!peer) {
-    VLOG(1) << "Removed peer device does not belong to the current adapter.";
-    return;
-  }
-  FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_, PeerLost(this, peer));
-  delete peer;
-}
-
-void NfcAdapterChromeOS::TagAdded(const dbus::ObjectPath& object_path) {
-  if (!IsPresent())
-    return;
-
-  if (GetTag(object_path.value()))
-    return;
-
-  VLOG(1) << "NFC tag found: " << object_path.value();
-
-  // Check to see if the tag belongs to this adapter.
-  const std::vector<dbus::ObjectPath>& tags =
-      DBusThreadManager::Get()->GetNfcTagClient()->
-          GetTagsForAdapter(object_path_);
-  bool tag_found = false;
-  for (std::vector<dbus::ObjectPath>::const_iterator iter = tags.begin();
-       iter != tags.end(); ++iter) {
-    if (*iter == object_path) {
-      tag_found = true;
-      break;
-    }
-  }
-  if (!tag_found) {
-    VLOG(1) << "Found tag does not belong to the current adapter.";
-    return;
-  }
-
-  // Create the tag object.
-  NfcTagChromeOS* tag_chromeos = new NfcTagChromeOS(object_path);
-  SetTag(object_path.value(), tag_chromeos);
-  FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_,
-                    TagFound(this, tag_chromeos));
-}
-
-void NfcAdapterChromeOS::TagRemoved(const dbus::ObjectPath& object_path) {
-  VLOG(1) << "NFC tag lost : " << object_path.value();
-  device::NfcTag* tag = RemoveTag(object_path.value());
-  if (!tag) {
-    VLOG(1) << "Removed tag does not belong to the current adapter.";
-    return;
-  }
-  FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_, TagLost(this, tag));
-  delete tag;
-}
-
-void NfcAdapterChromeOS::SetAdapter(const dbus::ObjectPath& object_path) {
-  DCHECK(!IsPresent());
-  object_path_ = object_path;
-  VLOG(1) << "Using NFC adapter: " << object_path.value();
-
-  NfcAdapterClient::Properties* properties =
-      DBusThreadManager::Get()->GetNfcAdapterClient()->
-          GetProperties(object_path_);
-  PresentChanged(true);
-  if (properties->powered.value())
-    PoweredChanged(true);
-  if (properties->polling.value())
-    PollingChanged(true);
-
-  // Create peer objects for peers that were added before the adapter was set.
-  const ObjectPathVector& devices =
-      DBusThreadManager::Get()->GetNfcDeviceClient()->
-          GetDevicesForAdapter(object_path_);
-  for (ObjectPathVector::const_iterator iter = devices.begin();
-       iter != devices.end(); ++iter) {
-    const dbus::ObjectPath& object_path = *iter;
-    if (GetPeer(object_path.value()))
-      continue;
-    NfcPeerChromeOS* peer_chromeos = new NfcPeerChromeOS(object_path);
-    SetPeer(object_path.value(), peer_chromeos);
-    FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_,
-                      PeerFound(this, peer_chromeos));
-  }
-
-  // Create tag objects for tags that were added before the adapter was set.
-  const std::vector<dbus::ObjectPath>& tags =
-      DBusThreadManager::Get()->GetNfcTagClient()->
-          GetTagsForAdapter(object_path_);
-  for (std::vector<dbus::ObjectPath>::const_iterator iter = tags.begin();
-       iter != tags.end(); ++iter) {
-    const dbus::ObjectPath& object_path = *iter;
-    if (GetTag(object_path.value()))
-      continue;
-    NfcTagChromeOS* tag_chromeos = new NfcTagChromeOS(object_path);
-    SetTag(object_path.value(), tag_chromeos);
-    FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_,
-                      TagFound(this, tag_chromeos));
-  }
-}
-
-void NfcAdapterChromeOS::RemoveAdapter() {
-  DCHECK(IsPresent());
-  VLOG(1) << "NFC adapter removed: " << object_path_.value();
-
-  NfcAdapterClient::Properties* properties =
-      DBusThreadManager::Get()->GetNfcAdapterClient()->
-          GetProperties(object_path_);
-  if (properties->powered.value())
-    PoweredChanged(false);
-  if (properties->polling.value())
-    PollingChanged(false);
-
-  // Copy the tags and peers here and clear the original containers so that
-  // GetPeers and GetTags return no values during the *Removed observer calls.
-  PeerList peers;
-  TagList tags;
-  GetPeers(&peers);
-  GetTags(&tags);
-  ClearPeers();
-  ClearTags();
-
-  for (PeerList::iterator iter = peers.begin();
-       iter != peers.end(); ++iter) {
-    device::NfcPeer* peer = *iter;
-    FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_,
-                      PeerLost(this, peer));
-    delete peer;
-  }
-  for (TagList::iterator iter = tags.begin();
-       iter != tags.end(); ++iter) {
-    device::NfcTag* tag = *iter;
-    FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_,
-                      TagLost(this, tag));
-    delete tag;
-  }
-
-  object_path_ = dbus::ObjectPath("");
-  PresentChanged(false);
-}
-
-void NfcAdapterChromeOS::PoweredChanged(bool powered) {
-  FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_,
-                    AdapterPoweredChanged(this, powered));
-}
-
-void NfcAdapterChromeOS::PollingChanged(bool polling) {
-  FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_,
-                    AdapterPollingChanged(this, polling));
-}
-
-void NfcAdapterChromeOS::PresentChanged(bool present) {
-  FOR_EACH_OBSERVER(NfcAdapter::Observer, observers_,
-                    AdapterPresentChanged(this, present));
-}
-
-void NfcAdapterChromeOS::OnSetPowered(const base::Closure& callback,
-                                      const ErrorCallback& error_callback,
-                                      bool success) {
-  VLOG(1) << "NfcAdapterChromeOS::OnSetPowered result: " << success;
-  if (success) {
-    // TODO(armansito): There is a bug in neard 0.13 that causes it not to emit
-    // a signal when the "Powered" property changes. Sync the properties here,
-    // but remove it in neard 0.14.
-    if (IsPresent()) {
-      DBusThreadManager::Get()->GetNfcAdapterClient()->
-          GetProperties(object_path_)->GetAll();
-    }
-    callback.Run();
-  } else {
-    LOG(ERROR) << "Failed to power up the NFC antenna radio.";
-    error_callback.Run();
-  }
-}
-
-void NfcAdapterChromeOS::OnStartPolling(const base::Closure& callback) {
-  callback.Run();
-}
-
-void NfcAdapterChromeOS::OnStartPollingError(
-    const ErrorCallback& error_callback,
-    const std::string& error_name,
-    const std::string& error_message) {
-  LOG(ERROR) << object_path_.value() << ": Failed to start polling: "
-             << error_name << ": " << error_message;
-  error_callback.Run();
-}
-
-void NfcAdapterChromeOS::OnStopPolling(const base::Closure& callback) {
-  callback.Run();
-}
-
-void NfcAdapterChromeOS::OnStopPollingError(
-    const ErrorCallback& error_callback,
-    const std::string& error_name,
-    const std::string& error_message) {
-  LOG(ERROR) << object_path_.value() << ": Failed to stop polling: "
-             << error_name << ": " << error_message;
-  error_callback.Run();
-}
-
-}  // namespace chromeos