device/bluetooth/bluetooth_device_chromeos.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "device/bluetooth/bluetooth_device_chromeos.h"
   6
   7 #include <stdio.h>
   8
   9 #include "base/bind.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/metrics/histogram.h"
  12 #include "base/strings/string_number_conversions.h"
  13 #include "base/strings/string_util.h"
  14 #include "chromeos/dbus/bluetooth_adapter_client.h"
  15 #include "chromeos/dbus/bluetooth_device_client.h"
  16 #include "chromeos/dbus/bluetooth_gatt_service_client.h"
  17 #include "chromeos/dbus/bluetooth_input_client.h"
  18 #include "chromeos/dbus/dbus_thread_manager.h"
  19 #include "dbus/bus.h"
  20 #include "device/bluetooth/bluetooth_adapter_chromeos.h"
  21 #include "device/bluetooth/bluetooth_gatt_connection_chromeos.h"
  22 #include "device/bluetooth/bluetooth_pairing_chromeos.h"
  23 #include "device/bluetooth/bluetooth_remote_gatt_service_chromeos.h"
  24 #include "device/bluetooth/bluetooth_socket.h"
  25 #include "device/bluetooth/bluetooth_socket_chromeos.h"
  26 #include "device/bluetooth/bluetooth_socket_thread.h"
  27 #include "device/bluetooth/bluetooth_uuid.h"
  28 #include "third_party/cros_system_api/dbus/service_constants.h"
  29
  30 using device::BluetoothDevice;
  31 using device::BluetoothSocket;
  32 using device::BluetoothUUID;
  33
  34 namespace {
  35
  36 // Histogram enumerations for pairing results.
  37 enum UMAPairingResult {
  38   UMA_PAIRING_RESULT_SUCCESS,
  39   UMA_PAIRING_RESULT_INPROGRESS,
  40   UMA_PAIRING_RESULT_FAILED,
  41   UMA_PAIRING_RESULT_AUTH_FAILED,
  42   UMA_PAIRING_RESULT_AUTH_CANCELED,
  43   UMA_PAIRING_RESULT_AUTH_REJECTED,
  44   UMA_PAIRING_RESULT_AUTH_TIMEOUT,
  45   UMA_PAIRING_RESULT_UNSUPPORTED_DEVICE,
  46   UMA_PAIRING_RESULT_UNKNOWN_ERROR,
  47   // NOTE: Add new pairing results immediately above this line. Make sure to
  48   // update the enum list in tools/histogram/histograms.xml accordinly.
  49   UMA_PAIRING_RESULT_COUNT
  50 };
  51
  52 void ParseModalias(const dbus::ObjectPath& object_path,
  53                    BluetoothDevice::VendorIDSource* vendor_id_source,
  54                    uint16* vendor_id,
  55                    uint16* product_id,
  56                    uint16* device_id) {
  57   chromeos::BluetoothDeviceClient::Properties* properties =
  58       chromeos::DBusThreadManager::Get()->GetBluetoothDeviceClient()->
  59           GetProperties(object_path);
  60   DCHECK(properties);
  61
  62   std::string modalias = properties->modalias.value();
  63   BluetoothDevice::VendorIDSource source_value;
  64   int vendor_value, product_value, device_value;
  65
  66   if (sscanf(modalias.c_str(), "bluetooth:v%04xp%04xd%04x",
  67              &vendor_value, &product_value, &device_value) == 3) {
  68     source_value = BluetoothDevice::VENDOR_ID_BLUETOOTH;
  69   } else if (sscanf(modalias.c_str(), "usb:v%04xp%04xd%04x",
  70                     &vendor_value, &product_value, &device_value) == 3) {
  71     source_value = BluetoothDevice::VENDOR_ID_USB;
  72   } else {
  73     return;
  74   }
  75
  76   if (vendor_id_source != NULL)
  77     *vendor_id_source = source_value;
  78   if (vendor_id != NULL)
  79     *vendor_id = vendor_value;
  80   if (product_id != NULL)
  81     *product_id = product_value;
  82   if (device_id != NULL)
  83     *device_id = device_value;
  84 }
  85
  86 void RecordPairingResult(BluetoothDevice::ConnectErrorCode error_code) {
  87   UMAPairingResult pairing_result;
  88   switch (error_code) {
  89     case BluetoothDevice::ERROR_INPROGRESS:
  90       pairing_result = UMA_PAIRING_RESULT_INPROGRESS;
  91       break;
  92     case BluetoothDevice::ERROR_FAILED:
  93       pairing_result = UMA_PAIRING_RESULT_FAILED;
  94       break;
  95     case BluetoothDevice::ERROR_AUTH_FAILED:
  96       pairing_result = UMA_PAIRING_RESULT_AUTH_FAILED;
  97       break;
  98     case BluetoothDevice::ERROR_AUTH_CANCELED:
  99       pairing_result = UMA_PAIRING_RESULT_AUTH_CANCELED;
 100       break;
 101     case BluetoothDevice::ERROR_AUTH_REJECTED:
 102       pairing_result = UMA_PAIRING_RESULT_AUTH_REJECTED;
 103       break;
 104     case BluetoothDevice::ERROR_AUTH_TIMEOUT:
 105       pairing_result = UMA_PAIRING_RESULT_AUTH_TIMEOUT;
 106       break;
 107     case BluetoothDevice::ERROR_UNSUPPORTED_DEVICE:
 108       pairing_result = UMA_PAIRING_RESULT_UNSUPPORTED_DEVICE;
 109       break;
 110     default:
 111       pairing_result = UMA_PAIRING_RESULT_UNKNOWN_ERROR;
 112   }
 113
 114   UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingResult",
 115                             pairing_result,
 116                             UMA_PAIRING_RESULT_COUNT);
 117 }
 118
 119 }  // namespace
 120
 121 namespace chromeos {
 122
 123 BluetoothDeviceChromeOS::BluetoothDeviceChromeOS(
 124     BluetoothAdapterChromeOS* adapter,
 125     const dbus::ObjectPath& object_path,
 126     scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
 127     scoped_refptr<device::BluetoothSocketThread> socket_thread)
 128     : adapter_(adapter),
 129       object_path_(object_path),
 130       num_connecting_calls_(0),
 131       connection_monitor_started_(false),
 132       ui_task_runner_(ui_task_runner),
 133       socket_thread_(socket_thread),
 134       weak_ptr_factory_(this) {
 135   DBusThreadManager::Get()->GetBluetoothGattServiceClient()->AddObserver(this);
 136
 137   // Add all known GATT services.
 138   const std::vector<dbus::ObjectPath> gatt_services =
 139       DBusThreadManager::Get()->GetBluetoothGattServiceClient()->GetServices();
 140   for (std::vector<dbus::ObjectPath>::const_iterator it = gatt_services.begin();
 141        it != gatt_services.end(); ++it) {
 142     GattServiceAdded(*it);
 143   }
 144 }
 145
 146 BluetoothDeviceChromeOS::~BluetoothDeviceChromeOS() {
 147   DBusThreadManager::Get()->GetBluetoothGattServiceClient()->
 148       RemoveObserver(this);
 149
 150   // Copy the GATT services list here and clear the original so that when we
 151   // send GattServiceRemoved(), GetGattServices() returns no services.
 152   GattServiceMap gatt_services = gatt_services_;
 153   gatt_services_.clear();
 154   for (GattServiceMap::iterator iter = gatt_services.begin();
 155        iter != gatt_services.end(); ++iter) {
 156     DCHECK(adapter_);
 157     adapter_->NotifyGattServiceRemoved(
 158         static_cast<BluetoothRemoteGattServiceChromeOS*>(iter->second));
 159     delete iter->second;
 160   }
 161 }
 162
 163 uint32 BluetoothDeviceChromeOS::GetBluetoothClass() const {
 164   BluetoothDeviceClient::Properties* properties =
 165       DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 166           GetProperties(object_path_);
 167   DCHECK(properties);
 168
 169   return properties->bluetooth_class.value();
 170 }
 171
 172 std::string BluetoothDeviceChromeOS::GetDeviceName() const {
 173   BluetoothDeviceClient::Properties* properties =
 174       DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 175           GetProperties(object_path_);
 176   DCHECK(properties);
 177
 178   return properties->alias.value();
 179 }
 180
 181 std::string BluetoothDeviceChromeOS::GetAddress() const {
 182   BluetoothDeviceClient::Properties* properties =
 183       DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 184           GetProperties(object_path_);
 185   DCHECK(properties);
 186
 187   return CanonicalizeAddress(properties->address.value());
 188 }
 189
 190 BluetoothDevice::VendorIDSource
 191 BluetoothDeviceChromeOS::GetVendorIDSource() const {
 192   VendorIDSource vendor_id_source = VENDOR_ID_UNKNOWN;
 193   ParseModalias(object_path_, &vendor_id_source, NULL, NULL, NULL);
 194   return vendor_id_source;
 195 }
 196
 197 uint16 BluetoothDeviceChromeOS::GetVendorID() const {
 198   uint16 vendor_id  = 0;
 199   ParseModalias(object_path_, NULL, &vendor_id, NULL, NULL);
 200   return vendor_id;
 201 }
 202
 203 uint16 BluetoothDeviceChromeOS::GetProductID() const {
 204   uint16 product_id  = 0;
 205   ParseModalias(object_path_, NULL, NULL, &product_id, NULL);
 206   return product_id;
 207 }
 208
 209 uint16 BluetoothDeviceChromeOS::GetDeviceID() const {
 210   uint16 device_id  = 0;
 211   ParseModalias(object_path_, NULL, NULL, NULL, &device_id);
 212   return device_id;
 213 }
 214
 215 bool BluetoothDeviceChromeOS::IsPaired() const {
 216   BluetoothDeviceClient::Properties* properties =
 217       DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 218           GetProperties(object_path_);
 219   DCHECK(properties);
 220
 221   // Trusted devices are devices that don't support pairing but that the
 222   // user has explicitly connected; it makes no sense for UI purposes to
 223   // treat them differently from each other.
 224   return properties->paired.value() || properties->trusted.value();
 225 }
 226
 227 bool BluetoothDeviceChromeOS::IsConnected() const {
 228   BluetoothDeviceClient::Properties* properties =
 229       DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 230           GetProperties(object_path_);
 231   DCHECK(properties);
 232
 233   return properties->connected.value();
 234 }
 235
 236 bool BluetoothDeviceChromeOS::IsConnectable() const {
 237   BluetoothInputClient::Properties* input_properties =
 238       DBusThreadManager::Get()->GetBluetoothInputClient()->
 239           GetProperties(object_path_);
 240   // GetProperties returns NULL when the device does not implement the given
 241   // interface. Non HID devices are normally connectable.
 242   if (!input_properties)
 243     return true;
 244
 245   return input_properties->reconnect_mode.value() != "device";
 246 }
 247
 248 bool BluetoothDeviceChromeOS::IsConnecting() const {
 249   return num_connecting_calls_ > 0;
 250 }
 251
 252 BluetoothDeviceChromeOS::UUIDList BluetoothDeviceChromeOS::GetUUIDs() const {
 253   BluetoothDeviceClient::Properties* properties =
 254       DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 255           GetProperties(object_path_);
 256   DCHECK(properties);
 257
 258   std::vector<device::BluetoothUUID> uuids;
 259   const std::vector<std::string> &dbus_uuids = properties->uuids.value();
 260   for (std::vector<std::string>::const_iterator iter = dbus_uuids.begin();
 261        iter != dbus_uuids.end(); ++iter) {
 262     device::BluetoothUUID uuid(*iter);
 263     DCHECK(uuid.IsValid());
 264     uuids.push_back(uuid);
 265   }
 266   return uuids;
 267 }
 268
 269 bool BluetoothDeviceChromeOS::ExpectingPinCode() const {
 270   return pairing_.get() && pairing_->ExpectingPinCode();
 271 }
 272
 273 bool BluetoothDeviceChromeOS::ExpectingPasskey() const {
 274   return pairing_.get() && pairing_->ExpectingPasskey();
 275 }
 276
 277 bool BluetoothDeviceChromeOS::ExpectingConfirmation() const {
 278   return pairing_.get() && pairing_->ExpectingConfirmation();
 279 }
 280
 281 void BluetoothDeviceChromeOS::GetConnectionInfo(
 282     const ConnectionInfoCallback& callback) {
 283   // DBus method call should gracefully return an error if the device is not
 284   // currently connected.
 285   DBusThreadManager::Get()->GetBluetoothDeviceClient()->GetConnInfo(
 286       object_path_, base::Bind(&BluetoothDeviceChromeOS::OnGetConnInfo,
 287                                weak_ptr_factory_.GetWeakPtr(), callback),
 288       base::Bind(&BluetoothDeviceChromeOS::OnGetConnInfoError,
 289                  weak_ptr_factory_.GetWeakPtr(), callback));
 290 }
 291
 292 void BluetoothDeviceChromeOS::Connect(
 293     BluetoothDevice::PairingDelegate* pairing_delegate,
 294     const base::Closure& callback,
 295     const ConnectErrorCallback& error_callback) {
 296   if (num_connecting_calls_++ == 0)
 297     adapter_->NotifyDeviceChanged(this);
 298
 299   VLOG(1) << object_path_.value() << ": Connecting, " << num_connecting_calls_
 300           << " in progress";
 301
 302   if (IsPaired() || !pairing_delegate || !IsPairable()) {
 303     // No need to pair, or unable to, skip straight to connection.
 304     ConnectInternal(false, callback, error_callback);
 305   } else {
 306     // Initiate high-security connection with pairing.
 307     BeginPairing(pairing_delegate);
 308
 309     DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 310         Pair(object_path_,
 311              base::Bind(&BluetoothDeviceChromeOS::OnPair,
 312                         weak_ptr_factory_.GetWeakPtr(),
 313                         callback, error_callback),
 314              base::Bind(&BluetoothDeviceChromeOS::OnPairError,
 315                         weak_ptr_factory_.GetWeakPtr(),
 316                         error_callback));
 317   }
 318 }
 319
 320 void BluetoothDeviceChromeOS::SetPinCode(const std::string& pincode) {
 321   if (!pairing_.get())
 322     return;
 323
 324   pairing_->SetPinCode(pincode);
 325 }
 326
 327 void BluetoothDeviceChromeOS::SetPasskey(uint32 passkey) {
 328   if (!pairing_.get())
 329     return;
 330
 331   pairing_->SetPasskey(passkey);
 332 }
 333
 334 void BluetoothDeviceChromeOS::ConfirmPairing() {
 335   if (!pairing_.get())
 336     return;
 337
 338   pairing_->ConfirmPairing();
 339 }
 340
 341 void BluetoothDeviceChromeOS::RejectPairing() {
 342   if (!pairing_.get())
 343     return;
 344
 345   pairing_->RejectPairing();
 346 }
 347
 348 void BluetoothDeviceChromeOS::CancelPairing() {
 349   bool canceled = false;
 350
 351   // If there is a callback in progress that we can reply to then use that
 352   // to cancel the current pairing request.
 353   if (pairing_.get() && pairing_->CancelPairing())
 354     canceled = true;
 355
 356   // If not we have to send an explicit CancelPairing() to the device instead.
 357   if (!canceled) {
 358     VLOG(1) << object_path_.value() << ": No pairing context or callback. "
 359             << "Sending explicit cancel";
 360     DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 361         CancelPairing(
 362             object_path_,
 363             base::Bind(&base::DoNothing),
 364             base::Bind(&BluetoothDeviceChromeOS::OnCancelPairingError,
 365                        weak_ptr_factory_.GetWeakPtr()));
 366   }
 367
 368   // Since there is no callback to this method it's possible that the pairing
 369   // delegate is going to be freed before things complete (indeed it's
 370   // documented that this is the method you should call while freeing the
 371   // pairing delegate), so clear our the context holding on to it.
 372   EndPairing();
 373 }
 374
 375 void BluetoothDeviceChromeOS::Disconnect(const base::Closure& callback,
 376                                          const ErrorCallback& error_callback) {
 377   VLOG(1) << object_path_.value() << ": Disconnecting";
 378   DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 379       Disconnect(
 380           object_path_,
 381           base::Bind(&BluetoothDeviceChromeOS::OnDisconnect,
 382                      weak_ptr_factory_.GetWeakPtr(),
 383                      callback),
 384           base::Bind(&BluetoothDeviceChromeOS::OnDisconnectError,
 385                      weak_ptr_factory_.GetWeakPtr(),
 386                      error_callback));
 387 }
 388
 389 void BluetoothDeviceChromeOS::Forget(const ErrorCallback& error_callback) {
 390   VLOG(1) << object_path_.value() << ": Removing device";
 391   DBusThreadManager::Get()->GetBluetoothAdapterClient()->
 392       RemoveDevice(
 393           adapter_->object_path(),
 394           object_path_,
 395           base::Bind(&base::DoNothing),
 396           base::Bind(&BluetoothDeviceChromeOS::OnForgetError,
 397                      weak_ptr_factory_.GetWeakPtr(),
 398                      error_callback));
 399 }
 400
 401 void BluetoothDeviceChromeOS::ConnectToService(
 402     const BluetoothUUID& uuid,
 403     const ConnectToServiceCallback& callback,
 404     const ConnectToServiceErrorCallback& error_callback) {
 405   VLOG(1) << object_path_.value() << ": Connecting to service: "
 406           << uuid.canonical_value();
 407   scoped_refptr<BluetoothSocketChromeOS> socket =
 408       BluetoothSocketChromeOS::CreateBluetoothSocket(
 409           ui_task_runner_, socket_thread_);
 410   socket->Connect(this, uuid, BluetoothSocketChromeOS::SECURITY_LEVEL_MEDIUM,
 411                   base::Bind(callback, socket), error_callback);
 412 }
 413
 414 void BluetoothDeviceChromeOS::ConnectToServiceInsecurely(
 415     const BluetoothUUID& uuid,
 416     const ConnectToServiceCallback& callback,
 417     const ConnectToServiceErrorCallback& error_callback) {
 418   VLOG(1) << object_path_.value() << ": Connecting insecurely to service: "
 419           << uuid.canonical_value();
 420   scoped_refptr<BluetoothSocketChromeOS> socket =
 421       BluetoothSocketChromeOS::CreateBluetoothSocket(
 422           ui_task_runner_, socket_thread_);
 423   socket->Connect(this, uuid, BluetoothSocketChromeOS::SECURITY_LEVEL_LOW,
 424                   base::Bind(callback, socket), error_callback);
 425 }
 426
 427 void BluetoothDeviceChromeOS::CreateGattConnection(
 428       const GattConnectionCallback& callback,
 429       const ConnectErrorCallback& error_callback) {
 430   // TODO(armansito): Until there is a way to create a reference counted GATT
 431   // connection in bluetoothd, simply do a regular connect.
 432   Connect(NULL,
 433           base::Bind(&BluetoothDeviceChromeOS::OnCreateGattConnection,
 434                      weak_ptr_factory_.GetWeakPtr(),
 435                      callback),
 436           error_callback);
 437 }
 438
 439 BluetoothPairingChromeOS* BluetoothDeviceChromeOS::BeginPairing(
 440     BluetoothDevice::PairingDelegate* pairing_delegate) {
 441   pairing_.reset(new BluetoothPairingChromeOS(this, pairing_delegate));
 442   return pairing_.get();
 443 }
 444
 445 void BluetoothDeviceChromeOS::EndPairing() {
 446   pairing_.reset();
 447 }
 448
 449 BluetoothPairingChromeOS* BluetoothDeviceChromeOS::GetPairing() const {
 450   return pairing_.get();
 451 }
 452
 453 void BluetoothDeviceChromeOS::GattServiceAdded(
 454     const dbus::ObjectPath& object_path) {
 455   if (GetGattService(object_path.value())) {
 456     VLOG(1) << "Remote GATT service already exists: " << object_path.value();
 457     return;
 458   }
 459
 460   BluetoothGattServiceClient::Properties* properties =
 461       DBusThreadManager::Get()->GetBluetoothGattServiceClient()->
 462           GetProperties(object_path);
 463   DCHECK(properties);
 464   if (properties->device.value() != object_path_) {
 465     VLOG(2) << "Remote GATT service does not belong to this device.";
 466     return;
 467   }
 468
 469   VLOG(1) << "Adding new remote GATT service for device: " << GetAddress();
 470
 471   BluetoothRemoteGattServiceChromeOS* service =
 472       new BluetoothRemoteGattServiceChromeOS(adapter_, this, object_path);
 473
 474   gatt_services_[service->GetIdentifier()] = service;
 475   DCHECK(service->object_path() == object_path);
 476   DCHECK(service->GetUUID().IsValid());
 477
 478   DCHECK(adapter_);
 479   adapter_->NotifyGattServiceAdded(service);
 480 }
 481
 482 void BluetoothDeviceChromeOS::GattServiceRemoved(
 483     const dbus::ObjectPath& object_path) {
 484   GattServiceMap::iterator iter = gatt_services_.find(object_path.value());
 485   if (iter == gatt_services_.end()) {
 486     VLOG(3) << "Unknown GATT service removed: " << object_path.value();
 487     return;
 488   }
 489
 490   VLOG(1) << "Removing remote GATT service from device: " << GetAddress();
 491
 492   BluetoothRemoteGattServiceChromeOS* service =
 493       static_cast<BluetoothRemoteGattServiceChromeOS*>(iter->second);
 494   DCHECK(service->object_path() == object_path);
 495   gatt_services_.erase(iter);
 496
 497   DCHECK(adapter_);
 498   adapter_->NotifyGattServiceRemoved(service);
 499
 500   delete service;
 501 }
 502
 503 void BluetoothDeviceChromeOS::OnGetConnInfo(
 504     const ConnectionInfoCallback& callback,
 505     int16 rssi,
 506     int16 transmit_power,
 507     int16 max_transmit_power) {
 508   callback.Run(ConnectionInfo(rssi, transmit_power, max_transmit_power));
 509 }
 510
 511 void BluetoothDeviceChromeOS::OnGetConnInfoError(
 512     const ConnectionInfoCallback& callback,
 513     const std::string& error_name,
 514     const std::string& error_message) {
 515   LOG(WARNING) << object_path_.value()
 516                << ": Failed to get connection info: " << error_name << ": "
 517                << error_message;
 518   callback.Run(ConnectionInfo());
 519 }
 520
 521 void BluetoothDeviceChromeOS::ConnectInternal(
 522     bool after_pairing,
 523     const base::Closure& callback,
 524     const ConnectErrorCallback& error_callback) {
 525   VLOG(1) << object_path_.value() << ": Connecting";
 526   DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 527       Connect(
 528           object_path_,
 529           base::Bind(&BluetoothDeviceChromeOS::OnConnect,
 530                      weak_ptr_factory_.GetWeakPtr(),
 531                      after_pairing,
 532                      callback),
 533           base::Bind(&BluetoothDeviceChromeOS::OnConnectError,
 534                      weak_ptr_factory_.GetWeakPtr(),
 535                      after_pairing,
 536                      error_callback));
 537 }
 538
 539 void BluetoothDeviceChromeOS::OnConnect(bool after_pairing,
 540                                         const base::Closure& callback) {
 541   if (--num_connecting_calls_ == 0)
 542     adapter_->NotifyDeviceChanged(this);
 543
 544   DCHECK(num_connecting_calls_ >= 0);
 545   VLOG(1) << object_path_.value() << ": Connected, " << num_connecting_calls_
 546         << " still in progress";
 547
 548   SetTrusted();
 549
 550   if (after_pairing)
 551     UMA_HISTOGRAM_ENUMERATION("Bluetooth.PairingResult",
 552                               UMA_PAIRING_RESULT_SUCCESS,
 553                               UMA_PAIRING_RESULT_COUNT);
 554
 555   callback.Run();
 556 }
 557
 558 void BluetoothDeviceChromeOS::OnCreateGattConnection(
 559     const GattConnectionCallback& callback) {
 560   scoped_ptr<device::BluetoothGattConnection> conn(
 561       new BluetoothGattConnectionChromeOS(
 562           adapter_, GetAddress(), object_path_));
 563   callback.Run(conn.Pass());
 564 }
 565
 566 void BluetoothDeviceChromeOS::OnConnectError(
 567     bool after_pairing,
 568     const ConnectErrorCallback& error_callback,
 569     const std::string& error_name,
 570     const std::string& error_message) {
 571   if (--num_connecting_calls_ == 0)
 572     adapter_->NotifyDeviceChanged(this);
 573
 574   DCHECK(num_connecting_calls_ >= 0);
 575   LOG(WARNING) << object_path_.value() << ": Failed to connect device: "
 576                << error_name << ": " << error_message;
 577   VLOG(1) << object_path_.value() << ": " << num_connecting_calls_
 578           << " still in progress";
 579
 580   // Determine the error code from error_name.
 581   ConnectErrorCode error_code = ERROR_UNKNOWN;
 582   if (error_name == bluetooth_device::kErrorFailed) {
 583     error_code = ERROR_FAILED;
 584   } else if (error_name == bluetooth_device::kErrorInProgress) {
 585     error_code = ERROR_INPROGRESS;
 586   } else if (error_name == bluetooth_device::kErrorNotSupported) {
 587     error_code = ERROR_UNSUPPORTED_DEVICE;
 588   }
 589
 590   if (after_pairing)
 591     RecordPairingResult(error_code);
 592   error_callback.Run(error_code);
 593 }
 594
 595 void BluetoothDeviceChromeOS::OnPair(
 596     const base::Closure& callback,
 597     const ConnectErrorCallback& error_callback) {
 598   VLOG(1) << object_path_.value() << ": Paired";
 599
 600   EndPairing();
 601
 602   ConnectInternal(true, callback, error_callback);
 603 }
 604
 605 void BluetoothDeviceChromeOS::OnPairError(
 606     const ConnectErrorCallback& error_callback,
 607     const std::string& error_name,
 608     const std::string& error_message) {
 609   if (--num_connecting_calls_ == 0)
 610     adapter_->NotifyDeviceChanged(this);
 611
 612   DCHECK(num_connecting_calls_ >= 0);
 613   LOG(WARNING) << object_path_.value() << ": Failed to pair device: "
 614                << error_name << ": " << error_message;
 615   VLOG(1) << object_path_.value() << ": " << num_connecting_calls_
 616           << " still in progress";
 617
 618   EndPairing();
 619
 620   // Determine the error code from error_name.
 621   ConnectErrorCode error_code = ERROR_UNKNOWN;
 622   if (error_name == bluetooth_device::kErrorConnectionAttemptFailed) {
 623     error_code = ERROR_FAILED;
 624   } else if (error_name == bluetooth_device::kErrorFailed) {
 625     error_code = ERROR_FAILED;
 626   } else if (error_name == bluetooth_device::kErrorAuthenticationFailed) {
 627     error_code = ERROR_AUTH_FAILED;
 628   } else if (error_name == bluetooth_device::kErrorAuthenticationCanceled) {
 629     error_code = ERROR_AUTH_CANCELED;
 630   } else if (error_name == bluetooth_device::kErrorAuthenticationRejected) {
 631     error_code = ERROR_AUTH_REJECTED;
 632   } else if (error_name == bluetooth_device::kErrorAuthenticationTimeout) {
 633     error_code = ERROR_AUTH_TIMEOUT;
 634   }
 635
 636   RecordPairingResult(error_code);
 637   error_callback.Run(error_code);
 638 }
 639
 640 void BluetoothDeviceChromeOS::OnCancelPairingError(
 641     const std::string& error_name,
 642     const std::string& error_message) {
 643   LOG(WARNING) << object_path_.value() << ": Failed to cancel pairing: "
 644                << error_name << ": " << error_message;
 645 }
 646
 647 void BluetoothDeviceChromeOS::SetTrusted() {
 648   // Unconditionally send the property change, rather than checking the value
 649   // first; there's no harm in doing this and it solves any race conditions
 650   // with the property becoming true or false and this call happening before
 651   // we get the D-Bus signal about the earlier change.
 652   DBusThreadManager::Get()->GetBluetoothDeviceClient()->
 653       GetProperties(object_path_)->trusted.Set(
 654           true,
 655           base::Bind(&BluetoothDeviceChromeOS::OnSetTrusted,
 656                      weak_ptr_factory_.GetWeakPtr()));
 657 }
 658
 659 void BluetoothDeviceChromeOS::OnSetTrusted(bool success) {
 660   LOG_IF(WARNING, !success) << object_path_.value()
 661                             << ": Failed to set device as trusted";
 662 }
 663
 664 void BluetoothDeviceChromeOS::OnDisconnect(const base::Closure& callback) {
 665   VLOG(1) << object_path_.value() << ": Disconnected";
 666   callback.Run();
 667 }
 668
 669 void BluetoothDeviceChromeOS::OnDisconnectError(
 670     const ErrorCallback& error_callback,
 671     const std::string& error_name,
 672     const std::string& error_message) {
 673   LOG(WARNING) << object_path_.value() << ": Failed to disconnect device: "
 674                << error_name << ": " << error_message;
 675   error_callback.Run();
 676 }
 677
 678 void BluetoothDeviceChromeOS::OnForgetError(
 679     const ErrorCallback& error_callback,
 680     const std::string& error_name,
 681     const std::string& error_message) {
 682   LOG(WARNING) << object_path_.value() << ": Failed to remove device: "
 683                << error_name << ": " << error_message;
 684   error_callback.Run();
 685 }
 686
 687 }  // namespace chromeos