src/chrome/browser/ui/webui/options/chromeos/bluetooth_options_handler.cc

   1 // Copyright (c) 2012 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 "chrome/browser/ui/webui/options/chromeos/bluetooth_options_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/callback.h"
  10 #include "base/command_line.h"
  11 #include "base/strings/string_number_conversions.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "base/values.h"
  14 #include "chrome/grit/generated_resources.h"
  15 #include "content/public/browser/web_ui.h"
  16 #include "device/bluetooth/bluetooth_adapter.h"
  17 #include "device/bluetooth/bluetooth_adapter_factory.h"
  18 #include "device/bluetooth/bluetooth_device.h"
  19 #include "third_party/cros_system_api/dbus/service_constants.h"
  20
  21 namespace {
  22
  23 // |UpdateDeviceCallback| takes a variable length list as an argument. The
  24 // value stored in each list element is indicated by the following constants.
  25 const int kUpdateDeviceAddressIndex = 0;
  26 const int kUpdateDeviceCommandIndex = 1;
  27 const int kUpdateDeviceAuthTokenIndex = 2;
  28
  29 // |UpdateDeviceCallback| provides a command value of one of the following
  30 // constants that indicates what update it is providing to us.
  31 const char kConnectCommand[] = "connect";
  32 const char kCancelCommand[] = "cancel";
  33 const char kAcceptCommand[] = "accept";
  34 const char kRejectCommand[] = "reject";
  35 const char kDisconnectCommand[] = "disconnect";
  36 const char kForgetCommand[] = "forget";
  37
  38 // |SendDeviceNotification| may include a pairing parameter whose value
  39 // is one of the following constants instructing the UI to perform a certain
  40 // action.
  41 const char kStartConnecting[] = "bluetoothStartConnecting";
  42 const char kEnterPinCode[] = "bluetoothEnterPinCode";
  43 const char kEnterPasskey[] = "bluetoothEnterPasskey";
  44 const char kRemotePinCode[] = "bluetoothRemotePinCode";
  45 const char kRemotePasskey[] = "bluetoothRemotePasskey";
  46 const char kConfirmPasskey[] = "bluetoothConfirmPasskey";
  47
  48 // An invalid |entered| value to represent the "undefined" value.
  49 const int kInvalidEntered = 0xFFFF;
  50
  51 }  // namespace
  52
  53 namespace chromeos {
  54 namespace options {
  55
  56 BluetoothOptionsHandler::BluetoothOptionsHandler()
  57     : should_run_device_discovery_(false),
  58       pairing_device_passkey_(1000000),
  59       pairing_device_entered_(kInvalidEntered),
  60       weak_ptr_factory_(this) {
  61 }
  62
  63 BluetoothOptionsHandler::~BluetoothOptionsHandler() {
  64   if (adapter_.get())
  65     adapter_->RemoveObserver(this);
  66 }
  67
  68 void BluetoothOptionsHandler::GetLocalizedValues(
  69     base::DictionaryValue* localized_strings) {
  70   DCHECK(localized_strings);
  71
  72   static OptionsStringResource resources[] = {
  73     { "bluetooth", IDS_OPTIONS_SETTINGS_SECTION_TITLE_BLUETOOTH },
  74     { "disableBluetooth", IDS_OPTIONS_SETTINGS_BLUETOOTH_DISABLE },
  75     { "enableBluetooth", IDS_OPTIONS_SETTINGS_BLUETOOTH_ENABLE },
  76     { "addBluetoothDevice", IDS_OPTIONS_SETTINGS_ADD_BLUETOOTH_DEVICE },
  77     { "bluetoothAddDeviceTitle",
  78         IDS_OPTIONS_SETTINGS_BLUETOOTH_ADD_DEVICE_TITLE },
  79     { "bluetoothOptionsPageTabTitle",
  80         IDS_OPTIONS_SETTINGS_BLUETOOTH_ADD_DEVICE_TITLE },
  81     { "findBluetoothDevices", IDS_OPTIONS_SETTINGS_FIND_BLUETOOTH_DEVICES },
  82     { "bluetoothNoDevices", IDS_OPTIONS_SETTINGS_BLUETOOTH_NO_DEVICES },
  83     { "bluetoothNoDevicesFound",
  84         IDS_OPTIONS_SETTINGS_BLUETOOTH_NO_DEVICES_FOUND },
  85     { "bluetoothScanning", IDS_OPTIONS_SETTINGS_BLUETOOTH_SCANNING },
  86     { "bluetoothScanStopped", IDS_OPTIONS_SETTINGS_BLUETOOTH_SCAN_STOPPED },
  87     { "bluetoothDeviceConnecting", IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECTING },
  88     { "bluetoothConnectDevice", IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT },
  89     { "bluetoothDisconnectDevice", IDS_OPTIONS_SETTINGS_BLUETOOTH_DISCONNECT },
  90     { "bluetoothForgetDevice", IDS_OPTIONS_SETTINGS_BLUETOOTH_FORGET },
  91     { "bluetoothCancel", IDS_OPTIONS_SETTINGS_BLUETOOTH_CANCEL },
  92     { "bluetoothEnterKey", IDS_OPTIONS_SETTINGS_BLUETOOTH_ENTER_KEY },
  93     { "bluetoothDismissError", IDS_OPTIONS_SETTINGS_BLUETOOTH_DISMISS_ERROR },
  94
  95     // Device connecting and pairing.
  96     { "bluetoothStartConnecting",
  97         IDS_OPTIONS_SETTINGS_BLUETOOTH_START_CONNECTING },
  98     { "bluetoothAcceptPasskey",
  99         IDS_OPTIONS_SETTINGS_BLUETOOTH_ACCEPT_PASSKEY },
 100     { "bluetoothRejectPasskey",
 101         IDS_OPTIONS_SETTINGS_BLUETOOTH_REJECT_PASSKEY },
 102     { "bluetoothEnterPinCode",
 103         IDS_OPTIONS_SETTINGS_BLUETOOTH_ENTER_PIN_CODE_REQUEST },
 104     { "bluetoothEnterPasskey",
 105         IDS_OPTIONS_SETTINGS_BLUETOOTH_ENTER_PASSKEY_REQUEST },
 106     { "bluetoothRemotePinCode",
 107         IDS_OPTIONS_SETTINGS_BLUETOOTH_REMOTE_PIN_CODE_REQUEST },
 108     { "bluetoothRemotePasskey",
 109         IDS_OPTIONS_SETTINGS_BLUETOOTH_REMOTE_PASSKEY_REQUEST },
 110     { "bluetoothConfirmPasskey",
 111         IDS_OPTIONS_SETTINGS_BLUETOOTH_CONFIRM_PASSKEY_REQUEST },
 112
 113     // Error messages.
 114     { "bluetoothStartDiscoveryFailed",
 115         IDS_OPTIONS_SETTINGS_BLUETOOTH_START_DISCOVERY_FAILED },
 116     { "bluetoothStopDiscoveryFailed",
 117         IDS_OPTIONS_SETTINGS_BLUETOOTH_STOP_DISCOVERY_FAILED },
 118     { "bluetoothChangePowerFailed",
 119         IDS_OPTIONS_SETTINGS_BLUETOOTH_CHANGE_POWER_FAILED },
 120     { "bluetoothConnectUnknownError",
 121         IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT_UNKNOWN_ERROR },
 122     { "bluetoothConnectInProgress",
 123         IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT_IN_PROGRESS },
 124     { "bluetoothConnectFailed",
 125         IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT_FAILED },
 126     { "bluetoothConnectAuthFailed",
 127         IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT_AUTH_FAILED },
 128     { "bluetoothConnectAuthCanceled",
 129         IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT_AUTH_CANCELED },
 130     { "bluetoothConnectAuthRejected",
 131         IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT_AUTH_REJECTED },
 132     { "bluetoothConnectAuthTimeout",
 133         IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT_AUTH_TIMEOUT },
 134     { "bluetoothConnectUnsupportedDevice",
 135         IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT_UNSUPPORTED_DEVICE },
 136     { "bluetoothDisconnectFailed",
 137         IDS_OPTIONS_SETTINGS_BLUETOOTH_DISCONNECT_FAILED },
 138     { "bluetoothForgetFailed",
 139         IDS_OPTIONS_SETTINGS_BLUETOOTH_FORGET_FAILED }};
 140
 141   RegisterStrings(localized_strings, resources, arraysize(resources));
 142 }
 143
 144 // TODO(kevers): Reorder methods to match ordering in the header file.
 145
 146 void BluetoothOptionsHandler::AdapterPresentChanged(
 147     device::BluetoothAdapter* adapter,
 148     bool present) {
 149   DCHECK(adapter == adapter_.get());
 150   if (present) {
 151     web_ui()->CallJavascriptFunction(
 152         "options.BrowserOptions.showBluetoothSettings");
 153
 154     // Update the checkbox and visibility based on the powered state of the
 155     // new adapter.
 156     AdapterPoweredChanged(adapter_.get(), adapter_->IsPowered());
 157   } else {
 158     web_ui()->CallJavascriptFunction(
 159         "options.BrowserOptions.hideBluetoothSettings");
 160   }
 161 }
 162
 163 void BluetoothOptionsHandler::AdapterPoweredChanged(
 164     device::BluetoothAdapter* adapter,
 165     bool powered) {
 166   DCHECK(adapter == adapter_.get());
 167   base::FundamentalValue checked(powered);
 168   web_ui()->CallJavascriptFunction(
 169       "options.BrowserOptions.setBluetoothState", checked);
 170
 171   // If the "Add device" overlay is visible, dismiss it.
 172   if (!powered) {
 173     web_ui()->CallJavascriptFunction(
 174         "options.BluetoothOptions.dismissOverlay");
 175   }
 176 }
 177
 178 void BluetoothOptionsHandler::AdapterDiscoveringChanged(
 179     device::BluetoothAdapter* adapter,
 180     bool discovering) {
 181   DCHECK(adapter == adapter_.get());
 182   base::FundamentalValue discovering_value(discovering);
 183   web_ui()->CallJavascriptFunction(
 184       "options.BluetoothOptions.updateDiscoveryState", discovering_value);
 185 }
 186
 187 void BluetoothOptionsHandler::RegisterMessages() {
 188   web_ui()->RegisterMessageCallback("bluetoothEnableChange",
 189       base::Bind(&BluetoothOptionsHandler::EnableChangeCallback,
 190                  base::Unretained(this)));
 191   web_ui()->RegisterMessageCallback("findBluetoothDevices",
 192       base::Bind(&BluetoothOptionsHandler::FindDevicesCallback,
 193                  base::Unretained(this)));
 194   web_ui()->RegisterMessageCallback("updateBluetoothDevice",
 195       base::Bind(&BluetoothOptionsHandler::UpdateDeviceCallback,
 196                  base::Unretained(this)));
 197   web_ui()->RegisterMessageCallback("stopBluetoothDeviceDiscovery",
 198       base::Bind(&BluetoothOptionsHandler::StopDiscoveryCallback,
 199                  base::Unretained(this)));
 200   web_ui()->RegisterMessageCallback("getPairedBluetoothDevices",
 201       base::Bind(&BluetoothOptionsHandler::GetPairedDevicesCallback,
 202                  base::Unretained(this)));
 203 }
 204
 205 void BluetoothOptionsHandler::InitializeHandler() {
 206   device::BluetoothAdapterFactory::GetAdapter(
 207       base::Bind(&BluetoothOptionsHandler::InitializeAdapter,
 208                  weak_ptr_factory_.GetWeakPtr()));
 209 }
 210
 211 void BluetoothOptionsHandler::InitializePage() {
 212   // Show or hide the bluetooth settings and update the checkbox based
 213   // on the current present/powered state.
 214   AdapterPresentChanged(adapter_.get(), adapter_->IsPresent());
 215
 216   // Automatically start device discovery if the "Add Bluetooth Device"
 217   // overlay is visible.
 218   web_ui()->CallJavascriptFunction(
 219       "options.BluetoothOptions.startDeviceDiscovery");
 220 }
 221
 222 void BluetoothOptionsHandler::InitializeAdapter(
 223     scoped_refptr<device::BluetoothAdapter> adapter) {
 224   adapter_ = adapter;
 225   CHECK(adapter_.get());
 226   adapter_->AddObserver(this);
 227 }
 228
 229 void BluetoothOptionsHandler::EnableChangeCallback(
 230     const base::ListValue* args) {
 231   bool bluetooth_enabled;
 232   args->GetBoolean(0, &bluetooth_enabled);
 233
 234   adapter_->SetPowered(bluetooth_enabled,
 235                        base::Bind(&base::DoNothing),
 236                        base::Bind(&BluetoothOptionsHandler::EnableChangeError,
 237                                   weak_ptr_factory_.GetWeakPtr()));
 238 }
 239
 240 void BluetoothOptionsHandler::EnableChangeError() {
 241   VLOG(1) << "Failed to change power state.";
 242   ReportError("bluetoothChangePowerFailed", std::string());
 243 }
 244
 245 void BluetoothOptionsHandler::FindDevicesCallback(
 246     const base::ListValue* args) {
 247   if (discovery_session_.get() && discovery_session_->IsActive()) {
 248     VLOG(1) << "Already have an active discovery session.";
 249     return;
 250   }
 251   should_run_device_discovery_ = true;
 252   adapter_->StartDiscoverySession(
 253       base::Bind(&BluetoothOptionsHandler::OnStartDiscoverySession,
 254                  weak_ptr_factory_.GetWeakPtr()),
 255       base::Bind(&BluetoothOptionsHandler::FindDevicesError,
 256                  weak_ptr_factory_.GetWeakPtr()));
 257 }
 258
 259 void BluetoothOptionsHandler::OnStartDiscoverySession(
 260     scoped_ptr<device::BluetoothDiscoverySession> discovery_session) {
 261   // If the discovery session was returned after a request to stop discovery
 262   // (e.g. the "Add Device" dialog was dismissed), don't claim the discovery
 263   // session and let it clean up.
 264   if (!should_run_device_discovery_)
 265     return;
 266   discovery_session_ = discovery_session.Pass();
 267 }
 268
 269 void BluetoothOptionsHandler::FindDevicesError() {
 270   VLOG(1) << "Failed to start discovery.";
 271   ReportError("bluetoothStartDiscoveryFailed", std::string());
 272   if (!adapter_.get())
 273     return;
 274   base::FundamentalValue discovering(adapter_->IsDiscovering());
 275   web_ui()->CallJavascriptFunction(
 276       "options.BluetoothOptions.updateDiscoveryState", discovering);
 277 }
 278
 279 void BluetoothOptionsHandler::UpdateDeviceCallback(
 280     const base::ListValue* args) {
 281   std::string address;
 282   args->GetString(kUpdateDeviceAddressIndex, &address);
 283
 284   device::BluetoothDevice* device = adapter_->GetDevice(address);
 285   if (!device)
 286     return;
 287
 288   std::string command;
 289   args->GetString(kUpdateDeviceCommandIndex, &command);
 290
 291   if (command == kConnectCommand) {
 292     int size = args->GetSize();
 293     if (size > kUpdateDeviceAuthTokenIndex) {
 294       // PIN code or Passkey entry during the pairing process.
 295       std::string auth_token;
 296       args->GetString(kUpdateDeviceAuthTokenIndex, &auth_token);
 297
 298       if (device->ExpectingPinCode()) {
 299         DeviceConnecting(device);
 300         // PIN Code is an array of 1 to 16 8-bit bytes, the usual
 301         // interpretation, and the one shared by BlueZ, is a UTF-8 string
 302         // of as many characters that will fit in that space, thus we
 303         // can use the auth token from JavaScript unmodified.
 304         VLOG(1) << "PIN Code supplied: " << address << ": " << auth_token;
 305         device->SetPinCode(auth_token);
 306       } else if (device->ExpectingPasskey()) {
 307         DeviceConnecting(device);
 308         // Passkey is a numeric in the range 0-999999, in this case the
 309         // JavaScript code should have ensured the auth token string only
 310         // contains digits so a simple conversion is sufficient. In the
 311         // failure case, just use 0 since that's the most likely Passkey
 312         // anyway, and if it's refused the device will request a new one.
 313         unsigned passkey = 0;
 314         base::StringToUint(auth_token, &passkey);
 315
 316         VLOG(1) << "Passkey supplied: " << address << ": " << passkey;
 317         device->SetPasskey(passkey);
 318       } else {
 319         LOG(WARNING) << "Auth token supplied after pairing ended: " << address
 320                      << ": " << auth_token;
 321       }
 322     } else {
 323       // Determine if the device supports pairing:
 324       PairingDelegate* delegate = NULL;
 325       if (device->IsPairable())
 326         delegate = this;
 327
 328       // Connection request.
 329       VLOG(1) << "Connect: " << address;
 330       device->Connect(
 331           delegate,
 332           base::Bind(&BluetoothOptionsHandler::Connected,
 333                      weak_ptr_factory_.GetWeakPtr()),
 334           base::Bind(&BluetoothOptionsHandler::ConnectError,
 335                      weak_ptr_factory_.GetWeakPtr(),
 336                      device->GetAddress()));
 337     }
 338   } else if (command == kCancelCommand) {
 339     // Cancel pairing.
 340     VLOG(1) << "Cancel pairing: " << address;
 341     device->CancelPairing();
 342   } else if (command == kAcceptCommand) {
 343     DeviceConnecting(device);
 344     // Confirm displayed Passkey.
 345     VLOG(1) << "Confirm pairing: " << address;
 346     device->ConfirmPairing();
 347   } else if (command == kRejectCommand) {
 348     // Reject displayed Passkey.
 349     VLOG(1) << "Reject pairing: " << address;
 350     device->RejectPairing();
 351   } else if (command == kDisconnectCommand) {
 352     // Disconnect from device.
 353     VLOG(1) << "Disconnect device: " << address;
 354     device->Disconnect(
 355         base::Bind(&base::DoNothing),
 356         base::Bind(&BluetoothOptionsHandler::DisconnectError,
 357                    weak_ptr_factory_.GetWeakPtr(),
 358                    device->GetAddress()));
 359   } else if (command == kForgetCommand) {
 360     // Disconnect from device and delete pairing information.
 361     VLOG(1) << "Forget device: " << address;
 362     device->Forget(base::Bind(&BluetoothOptionsHandler::ForgetError,
 363                               weak_ptr_factory_.GetWeakPtr(),
 364                               device->GetAddress()));
 365   } else {
 366     LOG(WARNING) << "Unknown updateBluetoothDevice command: " << command;
 367   }
 368 }
 369
 370 void BluetoothOptionsHandler::Connected() {
 371   // Invalidate the local cache.
 372   pairing_device_address_.clear();
 373   pairing_device_entered_ = kInvalidEntered;
 374
 375   web_ui()->CallJavascriptFunction(
 376       "options.BluetoothPairing.dismissDialog");
 377 }
 378
 379 void BluetoothOptionsHandler::ConnectError(
 380     const std::string& address,
 381     device::BluetoothDevice::ConnectErrorCode error_code) {
 382   const char* error_name = NULL;
 383
 384   // Invalidate the local cache.
 385   pairing_device_address_.clear();
 386   pairing_device_entered_ = kInvalidEntered;
 387
 388   VLOG(1) << "Failed to connect to device: " << address;
 389   switch (error_code) {
 390     case device::BluetoothDevice::ERROR_UNKNOWN:
 391       error_name = "bluetoothConnectUnknownError";
 392       break;
 393     case device::BluetoothDevice::ERROR_INPROGRESS:
 394       error_name = "bluetoothConnectInProgress";
 395       break;
 396     case device::BluetoothDevice::ERROR_FAILED:
 397       error_name = "bluetoothConnectFailed";
 398       break;
 399     case device::BluetoothDevice::ERROR_AUTH_FAILED:
 400       error_name = "bluetoothConnectAuthFailed";
 401       break;
 402     case device::BluetoothDevice::ERROR_AUTH_CANCELED:
 403       error_name = "bluetoothConnectAuthCanceled";
 404       break;
 405     case device::BluetoothDevice::ERROR_AUTH_REJECTED:
 406       error_name = "bluetoothConnectAuthRejected";
 407       break;
 408     case device::BluetoothDevice::ERROR_AUTH_TIMEOUT:
 409       error_name = "bluetoothConnectAuthTimeout";
 410       break;
 411     case device::BluetoothDevice::ERROR_UNSUPPORTED_DEVICE:
 412       error_name = "bluetoothConnectUnsupportedDevice";
 413       break;
 414   }
 415   // Report an error only if there's an error to report.
 416   if (error_name)
 417     ReportError(error_name, address);
 418 }
 419
 420 void BluetoothOptionsHandler::DisconnectError(const std::string& address) {
 421   VLOG(1) << "Failed to disconnect from device: " << address;
 422   ReportError("bluetoothDisconnectFailed", address);
 423 }
 424
 425 void BluetoothOptionsHandler::ForgetError(const std::string& address) {
 426   VLOG(1) << "Failed to disconnect and unpair device: " << address;
 427   ReportError("bluetoothForgetFailed", address);
 428 }
 429
 430 void BluetoothOptionsHandler::StopDiscoveryCallback(
 431     const base::ListValue* args) {
 432   should_run_device_discovery_ = false;
 433   if (!discovery_session_.get() || !discovery_session_->IsActive()) {
 434     VLOG(1) << "No active discovery session.";
 435     return;
 436   }
 437   discovery_session_->Stop(
 438       base::Bind(&base::DoNothing),
 439       base::Bind(&BluetoothOptionsHandler::StopDiscoveryError,
 440                  weak_ptr_factory_.GetWeakPtr()));
 441 }
 442
 443 void BluetoothOptionsHandler::StopDiscoveryError() {
 444   VLOG(1) << "Failed to stop discovery.";
 445   ReportError("bluetoothStopDiscoveryFailed", std::string());
 446 }
 447
 448 void BluetoothOptionsHandler::GetPairedDevicesCallback(
 449     const base::ListValue* args) {
 450   device::BluetoothAdapter::DeviceList devices = adapter_->GetDevices();
 451
 452   for (device::BluetoothAdapter::DeviceList::iterator iter = devices.begin();
 453        iter != devices.end(); ++iter)
 454     SendDeviceNotification(*iter, NULL);
 455 }
 456
 457 void BluetoothOptionsHandler::SendDeviceNotification(
 458     const device::BluetoothDevice* device,
 459     base::DictionaryValue* params) {
 460   base::DictionaryValue js_properties;
 461   js_properties.SetString("name", device->GetName());
 462   js_properties.SetString("address", device->GetAddress());
 463   js_properties.SetBoolean("paired", device->IsPaired());
 464   js_properties.SetBoolean("connected", device->IsConnected());
 465   js_properties.SetBoolean("connecting", device->IsConnecting());
 466   js_properties.SetBoolean("connectable", device->IsConnectable());
 467   if (params)
 468     js_properties.MergeDictionary(params);
 469
 470   // Use the cached values to update js_property.
 471   if (device->GetAddress() == pairing_device_address_) {
 472     std::string pairing;
 473     if (!js_properties.GetString("pairing", &pairing)) {
 474       pairing = pairing_device_pairing_;
 475       js_properties.SetString("pairing", pairing);
 476     }
 477     if (pairing == kRemotePinCode && !js_properties.HasKey("pincode"))
 478       js_properties.SetString("pincode", pairing_device_pincode_);
 479     if (pairing == kRemotePasskey && !js_properties.HasKey("passkey"))
 480       js_properties.SetInteger("passkey", pairing_device_passkey_);
 481     if ((pairing == kRemotePinCode || pairing == kRemotePasskey) &&
 482         !js_properties.HasKey("entered") &&
 483         pairing_device_entered_ != kInvalidEntered) {
 484       js_properties.SetInteger("entered", pairing_device_entered_);
 485     }
 486   }
 487
 488   // Update the cache with the new information.
 489   if (js_properties.HasKey("pairing")) {
 490     pairing_device_address_ = device->GetAddress();
 491     js_properties.GetString("pairing", &pairing_device_pairing_);
 492     js_properties.GetString("pincode", &pairing_device_pincode_);
 493     js_properties.GetInteger("passkey", &pairing_device_passkey_);
 494     if (!js_properties.GetInteger("entered", &pairing_device_entered_))
 495       pairing_device_entered_ = kInvalidEntered;
 496   }
 497
 498   web_ui()->CallJavascriptFunction(
 499       "options.BrowserOptions.addBluetoothDevice",
 500       js_properties);
 501 }
 502
 503 void BluetoothOptionsHandler::RequestPinCode(device::BluetoothDevice* device) {
 504   base::DictionaryValue params;
 505   params.SetString("pairing", kEnterPinCode);
 506   SendDeviceNotification(device, &params);
 507 }
 508
 509 void BluetoothOptionsHandler::RequestPasskey(device::BluetoothDevice* device) {
 510   base::DictionaryValue params;
 511   params.SetString("pairing", kEnterPasskey);
 512   SendDeviceNotification(device, &params);
 513 }
 514
 515 void BluetoothOptionsHandler::DisplayPinCode(device::BluetoothDevice* device,
 516                                              const std::string& pincode) {
 517   base::DictionaryValue params;
 518   params.SetString("pairing", kRemotePinCode);
 519   params.SetString("pincode", pincode);
 520   SendDeviceNotification(device, &params);
 521 }
 522
 523 void BluetoothOptionsHandler::DisplayPasskey(device::BluetoothDevice* device,
 524                                              uint32 passkey) {
 525   base::DictionaryValue params;
 526   params.SetString("pairing", kRemotePasskey);
 527   params.SetInteger("passkey", passkey);
 528   SendDeviceNotification(device, &params);
 529 }
 530
 531 void BluetoothOptionsHandler::KeysEntered(device::BluetoothDevice* device,
 532                                           uint32 entered) {
 533   base::DictionaryValue params;
 534   params.SetInteger("entered", entered);
 535   SendDeviceNotification(device, &params);
 536 }
 537
 538 void BluetoothOptionsHandler::ConfirmPasskey(device::BluetoothDevice* device,
 539                                              uint32 passkey) {
 540   base::DictionaryValue params;
 541   params.SetString("pairing", kConfirmPasskey);
 542   params.SetInteger("passkey", passkey);
 543   SendDeviceNotification(device, &params);
 544 }
 545
 546 void BluetoothOptionsHandler::AuthorizePairing(
 547     device::BluetoothDevice* device) {
 548   // There is never any circumstance where this will be called, since the
 549   // options handler will only be used for outgoing pairing requests, but
 550   // play it safe.
 551   device->ConfirmPairing();
 552 }
 553
 554 void BluetoothOptionsHandler::ReportError(
 555     const std::string& error,
 556     const std::string& address) {
 557   base::DictionaryValue properties;
 558   properties.SetString("message", error);
 559   properties.SetString("address", address);
 560   web_ui()->CallJavascriptFunction(
 561       "options.BluetoothPairing.showMessage",
 562       properties);
 563 }
 564
 565 void BluetoothOptionsHandler::DeviceAdded(device::BluetoothAdapter* adapter,
 566                                           device::BluetoothDevice* device) {
 567   DCHECK(adapter == adapter_.get());
 568   DCHECK(device);
 569   SendDeviceNotification(device, NULL);
 570 }
 571
 572 void BluetoothOptionsHandler::DeviceChanged(device::BluetoothAdapter* adapter,
 573                                             device::BluetoothDevice* device) {
 574   DCHECK(adapter == adapter_.get());
 575   DCHECK(device);
 576   SendDeviceNotification(device, NULL);
 577 }
 578
 579 void BluetoothOptionsHandler::DeviceRemoved(device::BluetoothAdapter* adapter,
 580                                             device::BluetoothDevice* device) {
 581   DCHECK(adapter == adapter_.get());
 582   DCHECK(device);
 583
 584   // Invalidate the local cache if the pairing device is removed.
 585   if (pairing_device_address_ == device->GetAddress()) {
 586     pairing_device_address_.clear();
 587     pairing_device_entered_ = kInvalidEntered;
 588   }
 589
 590   base::StringValue address(device->GetAddress());
 591   web_ui()->CallJavascriptFunction(
 592       "options.BrowserOptions.removeBluetoothDevice",
 593       address);
 594 }
 595
 596 void BluetoothOptionsHandler::DeviceConnecting(
 597     device::BluetoothDevice* device) {
 598   DCHECK(device);
 599   base::DictionaryValue params;
 600   params.SetString("pairing", kStartConnecting);
 601   SendDeviceNotification(device, &params);
 602 }
 603
 604 }  // namespace options
 605 }  // namespace chromeos