Bluetooth: implement BlueZ 5 backend for Chrome OS

chromeos/dbus/fake_bluetooth_device_client.cc

+// Copyright (c) 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/fake_bluetooth_device_client.h"
+
+#include <algorithm>
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/message_loop.h"
+#include "base/stl_util.h"
+#include "base/time.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/fake_bluetooth_adapter_client.h"
+#include "chromeos/dbus/fake_bluetooth_agent_manager_client.h"
+#include "chromeos/dbus/fake_bluetooth_agent_service_provider.h"
+#include "dbus/object_path.h"
+#include "third_party/cros_system_api/dbus/service_constants.h"
+
+namespace {
+
+// Default interval between simulated events.
+const int kSimulationIntervalMs = 750;
+
+}
+
+namespace chromeos {
+
+const dbus::ObjectPath FakeBluetoothDeviceClient::kPairedDevicePath(
+    "/fake/hci0/dev0");
+const char FakeBluetoothDeviceClient::kPairedDeviceAddress[] =
+    "00:11:22:33:44:55";
+const char FakeBluetoothDeviceClient::kPairedDeviceName[] =
+    "Fake Device";
+const uint32 FakeBluetoothDeviceClient::kPairedDeviceClass = 0x000104;
+
+const dbus::ObjectPath FakeBluetoothDeviceClient::kAppleMousePath(
+    "/fake/hci0/dev1");
+const char FakeBluetoothDeviceClient::kAppleMouseAddress[] =
+    "28:CF:DA:00:00:00";
+const char FakeBluetoothDeviceClient::kAppleMouseName[] =
+    "Apple Magic Mouse";
+const uint32 FakeBluetoothDeviceClient::kAppleMouseClass = 0x002580;
+
+const dbus::ObjectPath FakeBluetoothDeviceClient::kAppleKeyboardPath(
+    "/fake/hci0/dev2");
+const char FakeBluetoothDeviceClient::kAppleKeyboardAddress[] =
+    "28:37:37:00:00:00";
+const char FakeBluetoothDeviceClient::kAppleKeyboardName[] =
+    "Apple Wireless Keyboard";
+const uint32 FakeBluetoothDeviceClient::kAppleKeyboardClass = 0x002540;
+
+const dbus::ObjectPath FakeBluetoothDeviceClient::kVanishingDevicePath(
+    "/fake/hci0/dev3");
+const char FakeBluetoothDeviceClient::kVanishingDeviceAddress[] =
+    "01:02:03:04:05:06";
+const char FakeBluetoothDeviceClient::kVanishingDeviceName[] =
+    "Vanishing Device";
+const uint32 FakeBluetoothDeviceClient::kVanishingDeviceClass = 0x000104;
+
+const dbus::ObjectPath FakeBluetoothDeviceClient::kMicrosoftMousePath(
+    "/fake/hci0/dev4");
+const char FakeBluetoothDeviceClient::kMicrosoftMouseAddress[] =
+    "7C:ED:8D:00:00:00";
+const char FakeBluetoothDeviceClient::kMicrosoftMouseName[] =
+    "Microsoft Mouse";
+const uint32 FakeBluetoothDeviceClient::kMicrosoftMouseClass = 0x002540;
+
+const dbus::ObjectPath FakeBluetoothDeviceClient::kMotorolaKeyboardPath(
+    "/fake/hci0/dev5");
+const char FakeBluetoothDeviceClient::kMotorolaKeyboardAddress[] =
+    "00:0F:F6:00:00:00";
+const char FakeBluetoothDeviceClient::kMotorolaKeyboardName[] =
+    "Motorola Keyboard";
+const uint32 FakeBluetoothDeviceClient::kMotorolaKeyboardClass = 0x002580;
+
+const dbus::ObjectPath FakeBluetoothDeviceClient::kSonyHeadphonesPath(
+    "/fake/hci0/dev6");
+const char FakeBluetoothDeviceClient::kSonyHeadphonesAddress[] =
+    "00:24:BE:00:00:00";
+const char FakeBluetoothDeviceClient::kSonyHeadphonesName[] =
+    "Sony BT-00";
+const uint32 FakeBluetoothDeviceClient::kSonyHeadphonesClass = 0x240408;
+
+const dbus::ObjectPath FakeBluetoothDeviceClient::kPhonePath(
+    "/fake/hci0/dev7");
+const char FakeBluetoothDeviceClient::kPhoneAddress[] =
+    "20:7D:74:00:00:00";
+const char FakeBluetoothDeviceClient::kPhoneName[] =
+    "Phone";
+const uint32 FakeBluetoothDeviceClient::kPhoneClass = 0x7a020c;
+
+const dbus::ObjectPath FakeBluetoothDeviceClient::kWeirdDevicePath(
+    "/fake/hci0/dev8");
+const char FakeBluetoothDeviceClient::kWeirdDeviceAddress[] =
+    "20:7D:74:00:00:01";
+const char FakeBluetoothDeviceClient::kWeirdDeviceName[] =
+    "Weird Device";
+const uint32 FakeBluetoothDeviceClient::kWeirdDeviceClass = 0x7a020c;
+
+FakeBluetoothDeviceClient::Properties::Properties(
+    const PropertyChangedCallback& callback)
+    : ExperimentalBluetoothDeviceClient::Properties(
+          NULL,
+          bluetooth_device::kExperimentalBluetoothDeviceInterface,
+          callback) {
+}
+
+FakeBluetoothDeviceClient::Properties::~Properties() {
+}
+
+void FakeBluetoothDeviceClient::Properties::Get(
+    dbus::PropertyBase* property,
+    dbus::PropertySet::GetCallback callback) {
+  VLOG(1) << "Get " << property->name();
+  callback.Run(false);
+}
+
+void FakeBluetoothDeviceClient::Properties::GetAll() {
+  VLOG(1) << "GetAll";
+}
+
+void FakeBluetoothDeviceClient::Properties::Set(
+    dbus::PropertyBase *property,
+    dbus::PropertySet::SetCallback callback) {
+  VLOG(1) << "Set " << property->name();
+  if (property->name() == trusted.name()) {
+    callback.Run(true);
+    property->ReplaceValueWithSetValue();
+    NotifyPropertyChanged(property->name());
+  } else {
+    callback.Run(false);
+  }
+}
+
+
+FakeBluetoothDeviceClient::FakeBluetoothDeviceClient()
+    : simulation_interval_ms_(kSimulationIntervalMs),
+      discovery_simulation_step_(0),
+      pairing_cancelled_(false) {
+  Properties* properties = new Properties(base::Bind(
+      &FakeBluetoothDeviceClient::OnPropertyChanged,
+      base::Unretained(this),
+      kPairedDevicePath));
+  properties->address.ReplaceValue(kPairedDeviceAddress);
+  properties->bluetooth_class.ReplaceValue(kPairedDeviceClass);
+  properties->name.ReplaceValue("Fake Device (Name)");
+  properties->alias.ReplaceValue(kPairedDeviceName);
+  properties->paired.ReplaceValue(true);
+  properties->trusted.ReplaceValue(true);
+  properties->adapter.ReplaceValue(FakeBluetoothAdapterClient::kAdapterPath);
+
+  std::vector<std::string> uuids;
+  uuids.push_back("00001800-0000-1000-8000-00805f9b34fb");
+  uuids.push_back("00001801-0000-1000-8000-00805f9b34fb");
+  properties->uuids.ReplaceValue(uuids);
+
+  properties_map_[kPairedDevicePath] = properties;
+  device_list_.push_back(kPairedDevicePath);
+}
+
+FakeBluetoothDeviceClient::~FakeBluetoothDeviceClient() {
+  // Clean up Properties structures
+  STLDeleteValues(&properties_map_);
+}
+
+void FakeBluetoothDeviceClient::AddObserver(Observer* observer) {
+  observers_.AddObserver(observer);
+}
+
+void FakeBluetoothDeviceClient::RemoveObserver(Observer* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+std::vector<dbus::ObjectPath> FakeBluetoothDeviceClient::GetDevicesForAdapter(
+    const dbus::ObjectPath& adapter_path) {
+  if (adapter_path == FakeBluetoothAdapterClient::kAdapterPath)
+    return device_list_;
+  else
+    return std::vector<dbus::ObjectPath>();
+}
+
+FakeBluetoothDeviceClient::Properties*
+FakeBluetoothDeviceClient::GetProperties(const dbus::ObjectPath& object_path) {
+  PropertiesMap::iterator iter = properties_map_.find(object_path);
+  if (iter != properties_map_.end())
+    return iter->second;
+  return NULL;
+}
+
+void FakeBluetoothDeviceClient::Connect(
+    const dbus::ObjectPath& object_path,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "Connect: " << object_path.value();
+  Properties* properties = GetProperties(object_path);
+
+  if (properties->connected.value() == true) {
+    // Already connected.
+    callback.Run();
+    return;
+  }
+
+  if (properties->paired.value() != true &&
+      object_path != kMicrosoftMousePath) {
+    // Must be paired.
+    error_callback.Run(bluetooth_adapter::kErrorFailed, "Not paired");
+    return;
+  } else if (properties->paired.value() == true &&
+             object_path == kMicrosoftMousePath) {
+    // Must not be paired
+    error_callback.Run(bluetooth_adapter::kErrorFailed,
+                       "Connection fails while paired");
+    return;
+  }
+
+  // The device can be connected.
+  properties->connected.ReplaceValue(true);
+
+  callback.Run();
+  properties->NotifyPropertyChanged(properties->connected.name());
+}
+
+void FakeBluetoothDeviceClient::Disconnect(
+    const dbus::ObjectPath& object_path,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "Disconnect: " << object_path.value();
+  Properties* properties = GetProperties(object_path);
+
+  if (properties->connected.value() == true) {
+    properties->connected.ReplaceValue(false);
+
+    callback.Run();
+    properties->NotifyPropertyChanged(properties->connected.name());
+  } else {
+    error_callback.Run("org.bluez.Error.NotConnected", "Not Connected");
+  }
+}
+
+void FakeBluetoothDeviceClient::ConnectProfile(
+    const dbus::ObjectPath& object_path,
+    const std::string& uuid,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "ConnectProfile: " << object_path.value() << " " << uuid;
+  error_callback.Run(kNoResponseError, "");
+}
+
+void FakeBluetoothDeviceClient::DisconnectProfile(
+    const dbus::ObjectPath& object_path,
+    const std::string& uuid,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "DisconnectProfile: " << object_path.value() << " " << uuid;
+  error_callback.Run(kNoResponseError, "");
+}
+
+void FakeBluetoothDeviceClient::Pair(
+    const dbus::ObjectPath& object_path,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "Pair: " << object_path.value();
+  Properties* properties = GetProperties(object_path);
+
+  if (properties->paired.value() == true) {
+    // Already paired.
+    callback.Run();
+    return;
+  }
+
+  FakeBluetoothAgentManagerClient* fake_bluetooth_agent_manager_client =
+      static_cast<FakeBluetoothAgentManagerClient*>(
+          DBusThreadManager::Get()->
+              GetExperimentalBluetoothAgentManagerClient());
+  FakeBluetoothAgentServiceProvider* agent_service_provider =
+      fake_bluetooth_agent_manager_client->GetAgentServiceProvider();
+  if (agent_service_provider == NULL) {
+    error_callback.Run(kNoResponseError, "Missing agent");
+    return;
+  }
+
+  if (object_path == kAppleMousePath || object_path == kMicrosoftMousePath) {
+    // No need to call anything on the pairing delegate, just wait 3 times
+    // the interval before acting as if the other end accepted it.
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::CompleteSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, callback, error_callback),
+        base::TimeDelta::FromMilliseconds(3 * simulation_interval_ms_));
+
+  } else if (object_path == kAppleKeyboardPath) {
+    // Display a Pincode, and wait 7 times the interval before acting as
+    // if the other end accepted it.
+    agent_service_provider->DisplayPinCode(object_path, "123456");
+
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::CompleteSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, callback, error_callback),
+        base::TimeDelta::FromMilliseconds(7 * simulation_interval_ms_));
+
+  } else if (object_path == kVanishingDevicePath) {
+    // The vanishing device simulates being too far away, and thus times out.
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::TimeoutSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, error_callback),
+        base::TimeDelta::FromMilliseconds(4 * simulation_interval_ms_));
+
+  } else if (object_path == kMotorolaKeyboardPath) {
+    // Display a passkey, and each interval act as if another key was entered
+    // for it.
+    agent_service_provider->DisplayPasskey(object_path, 123456, 0);
+
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::SimulateKeypress,
+                   base::Unretained(this),
+                   1, object_path, callback, error_callback),
+        base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+
+  } else if (object_path == kSonyHeadphonesPath) {
+    // Request a Pincode.
+    agent_service_provider->RequestPinCode(
+        object_path,
+        base::Bind(&FakeBluetoothDeviceClient::PinCodeCallback,
+                   base::Unretained(this),
+                   object_path,
+                   callback,
+                   error_callback));
+
+  } else if (object_path == kPhonePath) {
+    // Request confirmation of a Passkey.
+    agent_service_provider->RequestConfirmation(
+        object_path, 123456,
+        base::Bind(&FakeBluetoothDeviceClient::ConfirmationCallback,
+                   base::Unretained(this),
+                   object_path,
+                   callback,
+                   error_callback));
+
+  } else if (object_path == kWeirdDevicePath) {
+    // Request a Passkey from the user.
+    agent_service_provider->RequestPasskey(
+        object_path,
+        base::Bind(&FakeBluetoothDeviceClient::PasskeyCallback,
+                   base::Unretained(this),
+                   object_path,
+                   callback,
+                   error_callback));
+
+  } else {
+    error_callback.Run(kNoResponseError, "No pairing fake");
+  }
+}
+
+void FakeBluetoothDeviceClient::CancelPairing(
+    const dbus::ObjectPath& object_path,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "CancelPairing: " << object_path.value();
+  pairing_cancelled_ = true;
+  callback.Run();
+}
+
+
+void FakeBluetoothDeviceClient::BeginDiscoverySimulation(
+    const dbus::ObjectPath& adapter_path) {
+  VLOG(1) << "starting discovery simulation";
+
+  discovery_simulation_step_ = 1;
+
+  MessageLoop::current()->PostDelayedTask(
+      FROM_HERE,
+      base::Bind(&FakeBluetoothDeviceClient::DiscoverySimulationTimer,
+                 base::Unretained(this)),
+      base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+}
+
+void FakeBluetoothDeviceClient::EndDiscoverySimulation(
+    const dbus::ObjectPath& adapter_path) {
+  VLOG(1) << "stopping discovery simulation";
+  discovery_simulation_step_ = 0;
+}
+
+void FakeBluetoothDeviceClient::SetSimulationIntervalMs(int interval_ms) {
+  simulation_interval_ms_ = interval_ms;
+}
+
+void FakeBluetoothDeviceClient::RemoveDevice(
+    const dbus::ObjectPath& adapter_path,
+    const dbus::ObjectPath& device_path) {
+  std::vector<dbus::ObjectPath>::iterator listiter =
+      std::find(device_list_.begin(), device_list_.end(), device_path);
+  if (listiter == device_list_.end())
+    return;
+
+  PropertiesMap::iterator iter = properties_map_.find(device_path);
+  Properties* properties = iter->second;
+
+  VLOG(1) << "removing device: " << properties->alias.value();
+  device_list_.erase(listiter);
+
+  FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                    DeviceRemoved(device_path));
+
+  delete properties;
+  properties_map_.erase(iter);
+}
+
+void FakeBluetoothDeviceClient::OnPropertyChanged(
+    const dbus::ObjectPath& object_path,
+    const std::string& property_name) {
+  FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                    DevicePropertyChanged(object_path, property_name));
+}
+
+void FakeBluetoothDeviceClient::DiscoverySimulationTimer() {
+  if (!discovery_simulation_step_)
+    return;
+
+  // Timer fires every .75s, the numbers below are arbitrary to give a feel
+  // for a discovery process.
+  VLOG(1) << "discovery simulation, step " << discovery_simulation_step_;
+  if (discovery_simulation_step_ == 2) {
+    if (std::find(device_list_.begin(), device_list_.end(),
+                  kAppleMousePath) == device_list_.end()) {
+      Properties* properties = new Properties(base::Bind(
+          &FakeBluetoothDeviceClient::OnPropertyChanged,
+          base::Unretained(this),
+          kAppleMousePath));
+      properties->address.ReplaceValue(kAppleMouseAddress);
+      properties->bluetooth_class.ReplaceValue(kAppleMouseClass);
+      properties->name.ReplaceValue("Fake Apple Magic Mouse");
+      properties->alias.ReplaceValue(kAppleMouseName);
+      properties->adapter.ReplaceValue(
+          FakeBluetoothAdapterClient::kAdapterPath);
+
+      properties_map_[kAppleMousePath] = properties;
+      FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                        DeviceAdded(kAppleMousePath));
+    }
+
+  } else if (discovery_simulation_step_ == 4) {
+    if (std::find(device_list_.begin(), device_list_.end(),
+                  kAppleKeyboardPath) == device_list_.end()) {
+      Properties *properties = new Properties(base::Bind(
+          &FakeBluetoothDeviceClient::OnPropertyChanged,
+          base::Unretained(this),
+          kAppleKeyboardPath));
+      properties->address.ReplaceValue(kAppleKeyboardAddress);
+      properties->bluetooth_class.ReplaceValue(kAppleKeyboardClass);
+      properties->name.ReplaceValue("Fake Apple Wireless Keyboard");
+      properties->alias.ReplaceValue(kAppleKeyboardName);
+      properties->adapter.ReplaceValue(
+          FakeBluetoothAdapterClient::kAdapterPath);
+
+      properties_map_[kAppleKeyboardPath] = properties;
+      device_list_.push_back(kAppleKeyboardPath);
+      FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                        DeviceAdded(kAppleKeyboardPath));
+    }
+
+    if (std::find(device_list_.begin(), device_list_.end(),
+                  kVanishingDevicePath) == device_list_.end()) {
+      Properties* properties = new Properties(base::Bind(
+          &FakeBluetoothDeviceClient::OnPropertyChanged,
+          base::Unretained(this),
+          kVanishingDevicePath));
+      properties->address.ReplaceValue(kVanishingDeviceAddress);
+      properties->bluetooth_class.ReplaceValue(kVanishingDeviceClass);
+      properties->name.ReplaceValue("Fake Vanishing Device");
+      properties->alias.ReplaceValue(kVanishingDeviceName);
+      properties->adapter.ReplaceValue(
+          FakeBluetoothAdapterClient::kAdapterPath);
+
+      properties_map_[kVanishingDevicePath] = properties;
+      device_list_.push_back(kVanishingDevicePath);
+      FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                        DeviceAdded(kVanishingDevicePath));
+    }
+
+  } else if (discovery_simulation_step_ == 7) {
+    if (std::find(device_list_.begin(), device_list_.end(),
+                  kMicrosoftMousePath) == device_list_.end()) {
+      Properties* properties = new Properties(base::Bind(
+          &FakeBluetoothDeviceClient::OnPropertyChanged,
+          base::Unretained(this),
+          kMicrosoftMousePath));
+      properties->address.ReplaceValue(kMicrosoftMouseAddress);
+      properties->bluetooth_class.ReplaceValue(kMicrosoftMouseClass);
+      properties->name.ReplaceValue("Fake Microsoft Mouse");
+      properties->alias.ReplaceValue(kMicrosoftMouseName);
+      properties->adapter.ReplaceValue(
+          FakeBluetoothAdapterClient::kAdapterPath);
+
+      properties_map_[kMicrosoftMousePath] = properties;
+      device_list_.push_back(kMicrosoftMousePath);
+      FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                        DeviceAdded(kMicrosoftMousePath));
+    }
+
+  } else if (discovery_simulation_step_ == 8) {
+    if (std::find(device_list_.begin(), device_list_.end(),
+                  kMotorolaKeyboardPath) == device_list_.end()) {
+      Properties* properties = new Properties(base::Bind(
+          &FakeBluetoothDeviceClient::OnPropertyChanged,
+          base::Unretained(this),
+          kMotorolaKeyboardPath));
+      properties->address.ReplaceValue(kMotorolaKeyboardAddress);
+      properties->bluetooth_class.ReplaceValue(kMotorolaKeyboardClass);
+      properties->name.ReplaceValue("Fake Motorola Keyboard");
+      properties->alias.ReplaceValue(kMotorolaKeyboardName);
+      properties->adapter.ReplaceValue(
+          FakeBluetoothAdapterClient::kAdapterPath);
+
+      properties_map_[kMotorolaKeyboardPath] = properties;
+      device_list_.push_back(kMotorolaKeyboardPath);
+      FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                        DeviceAdded(kMotorolaKeyboardPath));
+    }
+
+    if (std::find(device_list_.begin(), device_list_.end(),
+                  kSonyHeadphonesPath) == device_list_.end()) {
+      Properties* properties = new Properties(base::Bind(
+          &FakeBluetoothDeviceClient::OnPropertyChanged,
+          base::Unretained(this),
+          kSonyHeadphonesPath));
+      properties->address.ReplaceValue(kSonyHeadphonesAddress);
+      properties->bluetooth_class.ReplaceValue(kSonyHeadphonesClass);
+      properties->name.ReplaceValue("Fake Sony Headphones");
+      properties->alias.ReplaceValue(kSonyHeadphonesName);
+      properties->adapter.ReplaceValue(
+          FakeBluetoothAdapterClient::kAdapterPath);
+
+      properties_map_[kSonyHeadphonesPath] = properties;
+      device_list_.push_back(kSonyHeadphonesPath);
+      FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                        DeviceAdded(kSonyHeadphonesPath));
+    }
+
+  } else if (discovery_simulation_step_ == 10) {
+    if (std::find(device_list_.begin(), device_list_.end(),
+                  kPhonePath) == device_list_.end()) {
+      Properties* properties = new Properties(base::Bind(
+          &FakeBluetoothDeviceClient::OnPropertyChanged,
+          base::Unretained(this),
+          kPhonePath));
+      properties->address.ReplaceValue(kPhoneAddress);
+      properties->bluetooth_class.ReplaceValue(kPhoneClass);
+      properties->name.ReplaceValue("Fake Phone");
+      properties->alias.ReplaceValue(kPhoneName);
+      properties->adapter.ReplaceValue(
+          FakeBluetoothAdapterClient::kAdapterPath);
+
+      properties_map_[kPhonePath] = properties;
+      device_list_.push_back(kPhonePath);
+      FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                        DeviceAdded(kPhonePath));
+    }
+
+    if (std::find(device_list_.begin(), device_list_.end(),
+                  kWeirdDevicePath) == device_list_.end()) {
+      Properties* properties = new Properties(base::Bind(
+          &FakeBluetoothDeviceClient::OnPropertyChanged,
+          base::Unretained(this),
+          kWeirdDevicePath));
+      properties->address.ReplaceValue(kWeirdDeviceAddress);
+      properties->bluetooth_class.ReplaceValue(kWeirdDeviceClass);
+      properties->name.ReplaceValue("Fake Weird Device");
+      properties->alias.ReplaceValue(kWeirdDeviceName);
+      properties->adapter.ReplaceValue(
+          FakeBluetoothAdapterClient::kAdapterPath);
+
+      properties_map_[kWeirdDevicePath] = properties;
+      device_list_.push_back(kWeirdDevicePath);
+      FOR_EACH_OBSERVER(ExperimentalBluetoothDeviceClient::Observer, observers_,
+                        DeviceAdded(kWeirdDevicePath));
+    }
+
+  } else if (discovery_simulation_step_ == 13) {
+    RemoveDevice(FakeBluetoothAdapterClient::kAdapterPath,
+                 kVanishingDevicePath);
+
+  } else if (discovery_simulation_step_ == 14) {
+    return;
+
+  }
+
+  ++discovery_simulation_step_;
+  MessageLoop::current()->PostDelayedTask(
+      FROM_HERE,
+      base::Bind(&FakeBluetoothDeviceClient::DiscoverySimulationTimer,
+                 base::Unretained(this)),
+      base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+}
+
+
+void FakeBluetoothDeviceClient::CompleteSimulatedPairing(
+    const dbus::ObjectPath& object_path,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "CompleteSimulatedPairing: " << object_path.value();
+  if (pairing_cancelled_) {
+    pairing_cancelled_ = false;
+
+    error_callback.Run(bluetooth_adapter::kErrorAuthenticationCanceled,
+                       "Cancaled");
+  } else {
+    Properties* properties = GetProperties(object_path);
+
+    properties->paired.ReplaceValue(true);
+
+    callback.Run();
+    properties->NotifyPropertyChanged(properties->paired.name());
+  }
+}
+
+void FakeBluetoothDeviceClient::TimeoutSimulatedPairing(
+    const dbus::ObjectPath& object_path,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "TimeoutSimulatedPairing: " << object_path.value();
+
+  error_callback.Run(bluetooth_adapter::kErrorAuthenticationTimeout,
+                     "Timed out");
+}
+
+void FakeBluetoothDeviceClient::CancelSimulatedPairing(
+    const dbus::ObjectPath& object_path,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "CancelSimulatedPairing: " << object_path.value();
+
+  error_callback.Run(bluetooth_adapter::kErrorAuthenticationCanceled,
+                     "Canceled");
+}
+
+void FakeBluetoothDeviceClient::RejectSimulatedPairing(
+    const dbus::ObjectPath& object_path,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "RejectSimulatedPairing: " << object_path.value();
+
+  error_callback.Run(bluetooth_adapter::kErrorAuthenticationRejected,
+                     "Rejected");
+}
+
+void FakeBluetoothDeviceClient::PinCodeCallback(
+    const dbus::ObjectPath& object_path,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback,
+    ExperimentalBluetoothAgentServiceProvider::Delegate::Status status,
+    const std::string& pincode) {
+  VLOG(1) << "PinCodeCallback: " << object_path.value();
+
+  if (status == ExperimentalBluetoothAgentServiceProvider::Delegate::SUCCESS) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::CompleteSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, callback, error_callback),
+        base::TimeDelta::FromMilliseconds(3 * simulation_interval_ms_));
+
+  } else if (status ==
+             ExperimentalBluetoothAgentServiceProvider::Delegate::CANCELLED) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::CancelSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, error_callback),
+        base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+
+  } else if (status ==
+             ExperimentalBluetoothAgentServiceProvider::Delegate::REJECTED) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::RejectSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, error_callback),
+        base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+
+  }
+}
+
+void FakeBluetoothDeviceClient::PasskeyCallback(
+    const dbus::ObjectPath& object_path,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback,
+    ExperimentalBluetoothAgentServiceProvider::Delegate::Status status,
+    uint32 passkey) {
+  VLOG(1) << "PasskeyCallback: " << object_path.value();
+
+  if (status == ExperimentalBluetoothAgentServiceProvider::Delegate::SUCCESS) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::CompleteSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, callback, error_callback),
+        base::TimeDelta::FromMilliseconds(3 * simulation_interval_ms_));
+
+  } else if (status ==
+             ExperimentalBluetoothAgentServiceProvider::Delegate::CANCELLED) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::CancelSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, error_callback),
+        base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+
+  } else if (status ==
+             ExperimentalBluetoothAgentServiceProvider::Delegate::REJECTED) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::RejectSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, error_callback),
+        base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+
+  }
+}
+
+void FakeBluetoothDeviceClient::ConfirmationCallback(
+    const dbus::ObjectPath& object_path,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback,
+    ExperimentalBluetoothAgentServiceProvider::Delegate::Status status) {
+  VLOG(1) << "ConfirmationCallback: " << object_path.value();
+
+  if (status == ExperimentalBluetoothAgentServiceProvider::Delegate::SUCCESS) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::CompleteSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, callback, error_callback),
+        base::TimeDelta::FromMilliseconds(3 * simulation_interval_ms_));
+
+  } else if (status ==
+             ExperimentalBluetoothAgentServiceProvider::Delegate::CANCELLED) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::CancelSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, error_callback),
+        base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+
+  } else if (status ==
+             ExperimentalBluetoothAgentServiceProvider::Delegate::REJECTED) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::RejectSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, error_callback),
+        base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+
+  }
+}
+
+void FakeBluetoothDeviceClient::SimulateKeypress(
+    int16 entered,
+    const dbus::ObjectPath& object_path,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  VLOG(1) << "SimulateKeypress " << entered << ": " << object_path.value();
+
+  FakeBluetoothAgentManagerClient* fake_bluetooth_agent_manager_client =
+      static_cast<FakeBluetoothAgentManagerClient*>(
+          DBusThreadManager::Get()->
+              GetExperimentalBluetoothAgentManagerClient());
+  FakeBluetoothAgentServiceProvider* agent_service_provider =
+      fake_bluetooth_agent_manager_client->GetAgentServiceProvider();
+  agent_service_provider->DisplayPasskey(object_path, 123456, entered);
+
+  if (entered < 6) {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::SimulateKeypress,
+                   base::Unretained(this),
+                   entered + 1, object_path, callback, error_callback),
+        base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+
+  } else {
+    MessageLoop::current()->PostDelayedTask(
+        FROM_HERE,
+        base::Bind(&FakeBluetoothDeviceClient::CompleteSimulatedPairing,
+                   base::Unretained(this),
+                   object_path, callback, error_callback),
+        base::TimeDelta::FromMilliseconds(simulation_interval_ms_));
+
+  }
+}
+
+}  // namespace chromeos