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bluetooth_adapter_chromeos.cc
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// 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/bluetooth/bluetooth_adapter_chromeos.h"
#include <string>
#include "base/bind.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/metrics/histogram.h"
#include "base/sequenced_task_runner.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "chromeos/dbus/bluetooth_adapter_client.h"
#include "chromeos/dbus/bluetooth_agent_manager_client.h"
#include "chromeos/dbus/bluetooth_agent_service_provider.h"
#include "chromeos/dbus/bluetooth_device_client.h"
#include "chromeos/dbus/bluetooth_input_client.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/system/devicetype.h"
#include "device/bluetooth/bluetooth_adapter_profile_chromeos.h"
#include "device/bluetooth/bluetooth_advertisement_chromeos.h"
#include "device/bluetooth/bluetooth_audio_sink_chromeos.h"
#include "device/bluetooth/bluetooth_device.h"
#include "device/bluetooth/bluetooth_device_chromeos.h"
#include "device/bluetooth/bluetooth_discovery_session_outcome.h"
#include "device/bluetooth/bluetooth_pairing_chromeos.h"
#include "device/bluetooth/bluetooth_remote_gatt_characteristic_chromeos.h"
#include "device/bluetooth/bluetooth_remote_gatt_descriptor_chromeos.h"
#include "device/bluetooth/bluetooth_remote_gatt_service_chromeos.h"
#include "device/bluetooth/bluetooth_socket_chromeos.h"
#include "device/bluetooth/bluetooth_socket_thread.h"
#include "device/bluetooth/bluetooth_uuid.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
using device::BluetoothAdapter;
using device::BluetoothAudioSink;
using device::BluetoothDevice;
using device::BluetoothDiscoveryFilter;
using device::BluetoothSocket;
using device::BluetoothUUID;
using device::UMABluetoothDiscoverySessionOutcome;
namespace {
// The agent path is relatively meaningless since BlueZ only permits one to
// exist per D-Bus connection, it just has to be unique within Chromium.
const char kAgentPath[] = "/org/chromium/bluetooth_agent";
void OnUnregisterAgentError(const std::string& error_name,
const std::string& error_message) {
// It's okay if the agent didn't exist, it means we never saw an adapter.
if (error_name == bluetooth_agent_manager::kErrorDoesNotExist)
return;
LOG(WARNING) << "Failed to unregister pairing agent: "
<< error_name << ": " << error_message;
}
UMABluetoothDiscoverySessionOutcome TranslateDiscoveryErrorToUMA(
const std::string& error_name) {
if (error_name == chromeos::BluetoothAdapterClient::kUnknownAdapterError) {
return UMABluetoothDiscoverySessionOutcome::CHROMEOS_DBUS_UNKNOWN_ADAPTER;
} else if (error_name == chromeos::BluetoothAdapterClient::kNoResponseError) {
return UMABluetoothDiscoverySessionOutcome::CHROMEOS_DBUS_NO_RESPONSE;
} else if (error_name == bluetooth_device::kErrorInProgress) {
return UMABluetoothDiscoverySessionOutcome::CHROMEOS_DBUS_IN_PROGRESS;
} else if (error_name == bluetooth_device::kErrorNotReady) {
return UMABluetoothDiscoverySessionOutcome::CHROMEOS_DBUS_NOT_READY;
} else if (error_name == bluetooth_device::kErrorFailed) {
return UMABluetoothDiscoverySessionOutcome::FAILED;
} else {
LOG(WARNING) << "Can't histogram DBus error " << error_name;
return UMABluetoothDiscoverySessionOutcome::UNKNOWN;
}
}
} // namespace
namespace device {
// static
base::WeakPtr<BluetoothAdapter> BluetoothAdapter::CreateAdapter(
const InitCallback& init_callback) {
return chromeos::BluetoothAdapterChromeOS::CreateAdapter();
}
} // namespace device
namespace chromeos {
// static
base::WeakPtr<BluetoothAdapter> BluetoothAdapterChromeOS::CreateAdapter() {
BluetoothAdapterChromeOS* adapter = new BluetoothAdapterChromeOS();
return adapter->weak_ptr_factory_.GetWeakPtr();
}
void BluetoothAdapterChromeOS::Shutdown() {
if (dbus_is_shutdown_)
return;
DCHECK(DBusThreadManager::IsInitialized())
<< "Call BluetoothAdapterFactory::Shutdown() before "
"DBusThreadManager::Shutdown().";
if (IsPresent())
RemoveAdapter(); // Also deletes devices_.
DCHECK(devices_.empty());
// profiles_ is empty because all BluetoothSockets have been notified
// that this adapter is disappearing.
DCHECK(profiles_.empty());
for (auto& it : profile_queues_)
delete it.second;
profile_queues_.clear();
DBusThreadManager::Get()->GetBluetoothAdapterClient()->RemoveObserver(this);
DBusThreadManager::Get()->GetBluetoothDeviceClient()->RemoveObserver(this);
DBusThreadManager::Get()->GetBluetoothInputClient()->RemoveObserver(this);
VLOG(1) << "Unregistering pairing agent";
DBusThreadManager::Get()->GetBluetoothAgentManagerClient()->UnregisterAgent(
dbus::ObjectPath(kAgentPath), base::Bind(&base::DoNothing),
base::Bind(&OnUnregisterAgentError));
agent_.reset();
dbus_is_shutdown_ = true;
}
BluetoothAdapterChromeOS::BluetoothAdapterChromeOS()
: dbus_is_shutdown_(false),
num_discovery_sessions_(0),
discovery_request_pending_(false),
weak_ptr_factory_(this) {
ui_task_runner_ = base::ThreadTaskRunnerHandle::Get();
socket_thread_ = device::BluetoothSocketThread::Get();
DBusThreadManager::Get()->GetBluetoothAdapterClient()->AddObserver(this);
DBusThreadManager::Get()->GetBluetoothDeviceClient()->AddObserver(this);
DBusThreadManager::Get()->GetBluetoothInputClient()->AddObserver(this);
// Register the pairing agent.
dbus::Bus* system_bus = DBusThreadManager::Get()->GetSystemBus();
agent_.reset(BluetoothAgentServiceProvider::Create(
system_bus, dbus::ObjectPath(kAgentPath), this));
DCHECK(agent_.get());
std::vector<dbus::ObjectPath> object_paths =
DBusThreadManager::Get()->GetBluetoothAdapterClient()->GetAdapters();
if (!object_paths.empty()) {
VLOG(1) << object_paths.size() << " Bluetooth adapter(s) available.";
SetAdapter(object_paths[0]);
}
}
BluetoothAdapterChromeOS::~BluetoothAdapterChromeOS() {
Shutdown();
}
std::string BluetoothAdapterChromeOS::GetAddress() const {
if (!IsPresent())
return std::string();
BluetoothAdapterClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_);
DCHECK(properties);
return BluetoothDevice::CanonicalizeAddress(properties->address.value());
}
std::string BluetoothAdapterChromeOS::GetName() const {
if (!IsPresent())
return std::string();
BluetoothAdapterClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_);
DCHECK(properties);
return properties->alias.value();
}
void BluetoothAdapterChromeOS::SetName(const std::string& name,
const base::Closure& callback,
const ErrorCallback& error_callback) {
if (!IsPresent()) {
error_callback.Run();
return;
}
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_)->alias.Set(
name,
base::Bind(&BluetoothAdapterChromeOS::OnPropertyChangeCompleted,
weak_ptr_factory_.GetWeakPtr(),
callback,
error_callback));
}
bool BluetoothAdapterChromeOS::IsInitialized() const {
return true;
}
bool BluetoothAdapterChromeOS::IsPresent() const {
return !dbus_is_shutdown_ && !object_path_.value().empty();
}
bool BluetoothAdapterChromeOS::IsPowered() const {
if (!IsPresent())
return false;
BluetoothAdapterClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_);
return properties->powered.value();
}
void BluetoothAdapterChromeOS::SetPowered(
bool powered,
const base::Closure& callback,
const ErrorCallback& error_callback) {
if (!IsPresent()) {
error_callback.Run();
return;
}
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_)->powered.Set(
powered,
base::Bind(&BluetoothAdapterChromeOS::OnPropertyChangeCompleted,
weak_ptr_factory_.GetWeakPtr(),
callback,
error_callback));
}
bool BluetoothAdapterChromeOS::IsDiscoverable() const {
if (!IsPresent())
return false;
BluetoothAdapterClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_);
return properties->discoverable.value();
}
void BluetoothAdapterChromeOS::SetDiscoverable(
bool discoverable,
const base::Closure& callback,
const ErrorCallback& error_callback) {
if (!IsPresent()) {
error_callback.Run();
return;
}
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_)->discoverable.Set(
discoverable,
base::Bind(&BluetoothAdapterChromeOS::OnSetDiscoverable,
weak_ptr_factory_.GetWeakPtr(),
callback,
error_callback));
}
bool BluetoothAdapterChromeOS::IsDiscovering() const {
if (!IsPresent())
return false;
BluetoothAdapterClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_);
return properties->discovering.value();
}
void BluetoothAdapterChromeOS::CreateRfcommService(
const BluetoothUUID& uuid,
const ServiceOptions& options,
const CreateServiceCallback& callback,
const CreateServiceErrorCallback& error_callback) {
DCHECK(!dbus_is_shutdown_);
VLOG(1) << object_path_.value() << ": Creating RFCOMM service: "
<< uuid.canonical_value();
scoped_refptr<BluetoothSocketChromeOS> socket =
BluetoothSocketChromeOS::CreateBluetoothSocket(
ui_task_runner_, socket_thread_);
socket->Listen(this,
BluetoothSocketChromeOS::kRfcomm,
uuid,
options,
base::Bind(callback, socket),
error_callback);
}
void BluetoothAdapterChromeOS::CreateL2capService(
const BluetoothUUID& uuid,
const ServiceOptions& options,
const CreateServiceCallback& callback,
const CreateServiceErrorCallback& error_callback) {
DCHECK(!dbus_is_shutdown_);
VLOG(1) << object_path_.value() << ": Creating L2CAP service: "
<< uuid.canonical_value();
scoped_refptr<BluetoothSocketChromeOS> socket =
BluetoothSocketChromeOS::CreateBluetoothSocket(
ui_task_runner_, socket_thread_);
socket->Listen(this,
BluetoothSocketChromeOS::kL2cap,
uuid,
options,
base::Bind(callback, socket),
error_callback);
}
void BluetoothAdapterChromeOS::RegisterAudioSink(
const BluetoothAudioSink::Options& options,
const device::BluetoothAdapter::AcquiredCallback& callback,
const BluetoothAudioSink::ErrorCallback& error_callback) {
VLOG(1) << "Registering audio sink";
if (!this->IsPresent()) {
error_callback.Run(BluetoothAudioSink::ERROR_INVALID_ADAPTER);
return;
}
scoped_refptr<BluetoothAudioSinkChromeOS> audio_sink(
new BluetoothAudioSinkChromeOS(this));
audio_sink->Register(
options, base::Bind(&BluetoothAdapterChromeOS::OnRegisterAudioSink,
weak_ptr_factory_.GetWeakPtr(), callback,
error_callback, audio_sink),
error_callback);
}
void BluetoothAdapterChromeOS::RegisterAdvertisement(
scoped_ptr<device::BluetoothAdvertisement::Data> advertisement_data,
const CreateAdvertisementCallback& callback,
const CreateAdvertisementErrorCallback& error_callback) {
scoped_refptr<BluetoothAdvertisementChromeOS> advertisement(
new BluetoothAdvertisementChromeOS(advertisement_data.Pass(), this));
advertisement->Register(base::Bind(callback, advertisement), error_callback);
}
void BluetoothAdapterChromeOS::RemovePairingDelegateInternal(
BluetoothDevice::PairingDelegate* pairing_delegate) {
// Check if any device is using the pairing delegate.
// If so, clear the pairing context which will make any responses no-ops.
for (DevicesMap::iterator iter = devices_.begin();
iter != devices_.end(); ++iter) {
BluetoothDeviceChromeOS* device_chromeos =
static_cast<BluetoothDeviceChromeOS*>(iter->second);
BluetoothPairingChromeOS* pairing = device_chromeos->GetPairing();
if (pairing && pairing->GetPairingDelegate() == pairing_delegate)
device_chromeos->EndPairing();
}
}
void BluetoothAdapterChromeOS::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 BluetoothAdapterChromeOS::AdapterRemoved(
const dbus::ObjectPath& object_path) {
if (object_path == object_path_)
RemoveAdapter();
}
void BluetoothAdapterChromeOS::AdapterPropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) {
if (object_path != object_path_)
return;
DCHECK(IsPresent());
BluetoothAdapterClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_);
if (property_name == properties->powered.name()) {
PoweredChanged(properties->powered.value());
} else if (property_name == properties->discoverable.name()) {
DiscoverableChanged(properties->discoverable.value());
} else if (property_name == properties->discovering.name()) {
DiscoveringChanged(properties->discovering.value());
}
}
void BluetoothAdapterChromeOS::DeviceAdded(
const dbus::ObjectPath& object_path) {
DCHECK(DBusThreadManager::Get());
BluetoothDeviceClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothDeviceClient()->
GetProperties(object_path);
if (!properties || properties->adapter.value() != object_path_)
return;
DCHECK(IsPresent());
BluetoothDeviceChromeOS* device_chromeos =
new BluetoothDeviceChromeOS(this,
object_path,
ui_task_runner_,
socket_thread_);
DCHECK(devices_.find(device_chromeos->GetAddress()) == devices_.end());
devices_[device_chromeos->GetAddress()] = device_chromeos;
FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
DeviceAdded(this, device_chromeos));
}
void BluetoothAdapterChromeOS::DeviceRemoved(
const dbus::ObjectPath& object_path) {
for (DevicesMap::iterator iter = devices_.begin();
iter != devices_.end(); ++iter) {
BluetoothDeviceChromeOS* device_chromeos =
static_cast<BluetoothDeviceChromeOS*>(iter->second);
if (device_chromeos->object_path() == object_path) {
devices_.erase(iter);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
DeviceRemoved(this, device_chromeos));
delete device_chromeos;
return;
}
}
}
void BluetoothAdapterChromeOS::DevicePropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) {
BluetoothDeviceChromeOS* device_chromeos = GetDeviceWithPath(object_path);
if (!device_chromeos)
return;
BluetoothDeviceClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothDeviceClient()->
GetProperties(object_path);
if (property_name == properties->bluetooth_class.name() ||
property_name == properties->address.name() ||
property_name == properties->alias.name() ||
property_name == properties->paired.name() ||
property_name == properties->trusted.name() ||
property_name == properties->connected.name() ||
property_name == properties->uuids.name() ||
property_name == properties->rssi.name() ||
property_name == properties->tx_power.name()) {
NotifyDeviceChanged(device_chromeos);
}
// When a device becomes paired, mark it as trusted so that the user does
// not need to approve every incoming connection
if (property_name == properties->paired.name() &&
properties->paired.value() && !properties->trusted.value()) {
device_chromeos->SetTrusted();
}
// UMA connection counting
if (property_name == properties->connected.name()) {
// PlayStation joystick tries to reconnect after disconnection from USB.
// If it is still not trusted, set it, so it becomes available on the
// list of known devices.
if (properties->connected.value() && device_chromeos->IsTrustable() &&
!properties->trusted.value())
device_chromeos->SetTrusted();
int count = 0;
for (DevicesMap::iterator iter = devices_.begin();
iter != devices_.end(); ++iter) {
if (iter->second->IsPaired() && iter->second->IsConnected())
++count;
}
UMA_HISTOGRAM_COUNTS_100("Bluetooth.ConnectedDeviceCount", count);
}
}
void BluetoothAdapterChromeOS::InputPropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) {
BluetoothDeviceChromeOS* device_chromeos = GetDeviceWithPath(object_path);
if (!device_chromeos)
return;
BluetoothInputClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothInputClient()->
GetProperties(object_path);
// Properties structure can be removed, which triggers a change in the
// BluetoothDevice::IsConnectable() property, as does a change in the
// actual reconnect_mode property.
if (!properties || property_name == properties->reconnect_mode.name()) {
NotifyDeviceChanged(device_chromeos);
}
}
void BluetoothAdapterChromeOS::Released() {
VLOG(1) << "Release";
if (!IsPresent())
return;
DCHECK(agent_.get());
// Called after we unregister the pairing agent, e.g. when changing I/O
// capabilities. Nothing much to be done right now.
}
void BluetoothAdapterChromeOS::RequestPinCode(
const dbus::ObjectPath& device_path,
const PinCodeCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
VLOG(1) << device_path.value() << ": RequestPinCode";
BluetoothPairingChromeOS* pairing = GetPairing(device_path);
if (!pairing) {
callback.Run(REJECTED, "");
return;
}
pairing->RequestPinCode(callback);
}
void BluetoothAdapterChromeOS::DisplayPinCode(
const dbus::ObjectPath& device_path,
const std::string& pincode) {
DCHECK(IsPresent());
DCHECK(agent_.get());
VLOG(1) << device_path.value() << ": DisplayPinCode: " << pincode;
BluetoothPairingChromeOS* pairing = GetPairing(device_path);
if (!pairing)
return;
pairing->DisplayPinCode(pincode);
}
void BluetoothAdapterChromeOS::RequestPasskey(
const dbus::ObjectPath& device_path,
const PasskeyCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
VLOG(1) << device_path.value() << ": RequestPasskey";
BluetoothPairingChromeOS* pairing = GetPairing(device_path);
if (!pairing) {
callback.Run(REJECTED, 0);
return;
}
pairing->RequestPasskey(callback);
}
void BluetoothAdapterChromeOS::DisplayPasskey(
const dbus::ObjectPath& device_path,
uint32 passkey,
uint16 entered) {
DCHECK(IsPresent());
DCHECK(agent_.get());
VLOG(1) << device_path.value() << ": DisplayPasskey: " << passkey
<< " (" << entered << " entered)";
BluetoothPairingChromeOS* pairing = GetPairing(device_path);
if (!pairing)
return;
if (entered == 0)
pairing->DisplayPasskey(passkey);
pairing->KeysEntered(entered);
}
void BluetoothAdapterChromeOS::RequestConfirmation(
const dbus::ObjectPath& device_path,
uint32 passkey,
const ConfirmationCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
VLOG(1) << device_path.value() << ": RequestConfirmation: " << passkey;
BluetoothPairingChromeOS* pairing = GetPairing(device_path);
if (!pairing) {
callback.Run(REJECTED);
return;
}
pairing->RequestConfirmation(passkey, callback);
}
void BluetoothAdapterChromeOS::RequestAuthorization(
const dbus::ObjectPath& device_path,
const ConfirmationCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
VLOG(1) << device_path.value() << ": RequestAuthorization";
BluetoothPairingChromeOS* pairing = GetPairing(device_path);
if (!pairing) {
callback.Run(REJECTED);
return;
}
pairing->RequestAuthorization(callback);
}
void BluetoothAdapterChromeOS::AuthorizeService(
const dbus::ObjectPath& device_path,
const std::string& uuid,
const ConfirmationCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
VLOG(1) << device_path.value() << ": AuthorizeService: " << uuid;
BluetoothDeviceChromeOS* device_chromeos = GetDeviceWithPath(device_path);
if (!device_chromeos) {
callback.Run(CANCELLED);
return;
}
// We always set paired devices to Trusted, so the only reason that this
// method call would ever be called is in the case of a race condition where
// our "Set('Trusted', true)" method call is still pending in the Bluetooth
// daemon because it's busy handling the incoming connection.
if (device_chromeos->IsPaired()) {
callback.Run(SUCCESS);
return;
}
// TODO(keybuk): reject service authorizations when not paired, determine
// whether this is acceptable long-term.
LOG(WARNING) << "Rejecting service connection from unpaired device "
<< device_chromeos->GetAddress() << " for UUID " << uuid;
callback.Run(REJECTED);
}
void BluetoothAdapterChromeOS::Cancel() {
DCHECK(IsPresent());
DCHECK(agent_.get());
VLOG(1) << "Cancel";
}
void BluetoothAdapterChromeOS::OnRegisterAgent() {
VLOG(1) << "Pairing agent registered, requesting to be made default";
DBusThreadManager::Get()->GetBluetoothAgentManagerClient()->
RequestDefaultAgent(
dbus::ObjectPath(kAgentPath),
base::Bind(&BluetoothAdapterChromeOS::OnRequestDefaultAgent,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&BluetoothAdapterChromeOS::OnRequestDefaultAgentError,
weak_ptr_factory_.GetWeakPtr()));
}
void BluetoothAdapterChromeOS::OnRegisterAgentError(
const std::string& error_name,
const std::string& error_message) {
// Our agent being already registered isn't an error.
if (error_name == bluetooth_agent_manager::kErrorAlreadyExists)
return;
LOG(WARNING) << ": Failed to register pairing agent: "
<< error_name << ": " << error_message;
}
void BluetoothAdapterChromeOS::OnRequestDefaultAgent() {
VLOG(1) << "Pairing agent now default";
}
void BluetoothAdapterChromeOS::OnRequestDefaultAgentError(
const std::string& error_name,
const std::string& error_message) {
LOG(WARNING) << ": Failed to make pairing agent default: "
<< error_name << ": " << error_message;
}
void BluetoothAdapterChromeOS::OnRegisterAudioSink(
const device::BluetoothAdapter::AcquiredCallback& callback,
const device::BluetoothAudioSink::ErrorCallback& error_callback,
scoped_refptr<BluetoothAudioSink> audio_sink) {
if (!IsPresent()) {
VLOG(1) << "Failed to register audio sink, adapter not present";
error_callback.Run(BluetoothAudioSink::ERROR_INVALID_ADAPTER);
return;
}
DCHECK(audio_sink.get());
callback.Run(audio_sink);
}
BluetoothDeviceChromeOS*
BluetoothAdapterChromeOS::GetDeviceWithPath(
const dbus::ObjectPath& object_path) {
if (!IsPresent())
return nullptr;
for (DevicesMap::iterator iter = devices_.begin(); iter != devices_.end();
++iter) {
BluetoothDeviceChromeOS* device_chromeos =
static_cast<BluetoothDeviceChromeOS*>(iter->second);
if (device_chromeos->object_path() == object_path)
return device_chromeos;
}
return nullptr;
}
BluetoothPairingChromeOS* BluetoothAdapterChromeOS::GetPairing(
const dbus::ObjectPath& object_path) {
DCHECK(IsPresent());
BluetoothDeviceChromeOS* device_chromeos = GetDeviceWithPath(object_path);
if (!device_chromeos) {
LOG(WARNING) << "Pairing Agent request for unknown device: "
<< object_path.value();
return nullptr;
}
BluetoothPairingChromeOS* pairing = device_chromeos->GetPairing();
if (pairing)
return pairing;
// The device doesn't have its own pairing context, so this is an incoming
// pairing request that should use our best default delegate (if we have one).
BluetoothDevice::PairingDelegate* pairing_delegate = DefaultPairingDelegate();
if (!pairing_delegate)
return nullptr;
return device_chromeos->BeginPairing(pairing_delegate);
}
void BluetoothAdapterChromeOS::SetAdapter(const dbus::ObjectPath& object_path) {
DCHECK(!IsPresent());
DCHECK(!dbus_is_shutdown_);
object_path_ = object_path;
VLOG(1) << object_path_.value() << ": using adapter.";
VLOG(1) << "Registering pairing agent";
DBusThreadManager::Get()->GetBluetoothAgentManagerClient()->
RegisterAgent(
dbus::ObjectPath(kAgentPath),
bluetooth_agent_manager::kKeyboardDisplayCapability,
base::Bind(&BluetoothAdapterChromeOS::OnRegisterAgent,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&BluetoothAdapterChromeOS::OnRegisterAgentError,
weak_ptr_factory_.GetWeakPtr()));
SetDefaultAdapterName();
BluetoothAdapterClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_);
PresentChanged(true);
if (properties->powered.value())
PoweredChanged(true);
if (properties->discoverable.value())
DiscoverableChanged(true);
if (properties->discovering.value())
DiscoveringChanged(true);
std::vector<dbus::ObjectPath> device_paths =
DBusThreadManager::Get()->GetBluetoothDeviceClient()->
GetDevicesForAdapter(object_path_);
for (std::vector<dbus::ObjectPath>::iterator iter = device_paths.begin();
iter != device_paths.end(); ++iter) {
DeviceAdded(*iter);
}
}
void BluetoothAdapterChromeOS::SetDefaultAdapterName() {
DCHECK(IsPresent());
std::string alias;
switch (chromeos::GetDeviceType()) {
case DeviceType::kChromebase:
alias = "Chromebase";
break;
case DeviceType::kChromebit:
alias = "Chromebit";
break;
case DeviceType::kChromebook:
alias = "Chromebook";
break;
case DeviceType::kChromebox:
alias = "Chromebox";
break;
case DeviceType::kUnknown:
alias = "Chromebook";
break;
}
SetName(alias, base::Bind(&base::DoNothing), base::Bind(&base::DoNothing));
}
void BluetoothAdapterChromeOS::RemoveAdapter() {
DCHECK(IsPresent());
VLOG(1) << object_path_.value() << ": adapter removed.";
BluetoothAdapterClient::Properties* properties =
DBusThreadManager::Get()->GetBluetoothAdapterClient()->
GetProperties(object_path_);
object_path_ = dbus::ObjectPath("");
if (properties->powered.value())
PoweredChanged(false);
if (properties->discoverable.value())
DiscoverableChanged(false);
if (properties->discovering.value())
DiscoveringChanged(false);
// Copy the devices list here and clear the original so that when we
// send DeviceRemoved(), GetDevices() returns no devices.
DevicesMap devices = devices_;
devices_.clear();
for (DevicesMap::iterator iter = devices.begin();
iter != devices.end(); ++iter) {
FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
DeviceRemoved(this, iter->second));
delete iter->second;
}
PresentChanged(false);
}
void BluetoothAdapterChromeOS::PoweredChanged(bool powered) {
FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
AdapterPoweredChanged(this, powered));
}
void BluetoothAdapterChromeOS::DiscoverableChanged(bool discoverable) {
FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
AdapterDiscoverableChanged(this, discoverable));
}
void BluetoothAdapterChromeOS::DiscoveringChanged(
bool discovering) {
// If the adapter stopped discovery due to a reason other than a request by
// us, reset the count to 0.
VLOG(1) << "Discovering changed: " << discovering;
if (!discovering && !discovery_request_pending_ &&
num_discovery_sessions_ > 0) {
VLOG(1) << "Marking sessions as inactive.";
num_discovery_sessions_ = 0;
MarkDiscoverySessionsAsInactive();
}
FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
AdapterDiscoveringChanged(this, discovering));
}
void BluetoothAdapterChromeOS::PresentChanged(bool present) {
FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
AdapterPresentChanged(this, present));
}
void BluetoothAdapterChromeOS::NotifyDeviceChanged(
BluetoothDeviceChromeOS* device) {
DCHECK(device);
DCHECK(device->adapter_ == this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
DeviceChanged(this, device));
}
void BluetoothAdapterChromeOS::NotifyGattServiceAdded(
BluetoothRemoteGattServiceChromeOS* service) {
DCHECK_EQ(service->GetAdapter(), this);
DCHECK_EQ(
static_cast<BluetoothDeviceChromeOS*>(service->GetDevice())->adapter_,
this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
observers_,
GattServiceAdded(this, service->GetDevice(), service));
}
void BluetoothAdapterChromeOS::NotifyGattServiceRemoved(
BluetoothRemoteGattServiceChromeOS* service) {
DCHECK_EQ(service->GetAdapter(), this);
DCHECK_EQ(
static_cast<BluetoothDeviceChromeOS*>(service->GetDevice())->adapter_,
this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
observers_,
GattServiceRemoved(this, service->GetDevice(), service));
}
void BluetoothAdapterChromeOS::NotifyGattServiceChanged(
BluetoothRemoteGattServiceChromeOS* service) {
DCHECK_EQ(service->GetAdapter(), this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
observers_,
GattServiceChanged(this, service));
}
void BluetoothAdapterChromeOS::NotifyGattDiscoveryComplete(
BluetoothRemoteGattServiceChromeOS* service) {
DCHECK_EQ(service->GetAdapter(), this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
observers_,
GattDiscoveryCompleteForService(this, service));
}
void BluetoothAdapterChromeOS::NotifyGattCharacteristicAdded(
BluetoothRemoteGattCharacteristicChromeOS* characteristic) {
DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
characteristic->GetService())->GetAdapter(),
this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
observers_,
GattCharacteristicAdded(this, characteristic));
}
void BluetoothAdapterChromeOS::NotifyGattCharacteristicRemoved(
BluetoothRemoteGattCharacteristicChromeOS* characteristic) {
DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
characteristic->GetService())->GetAdapter(),
this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
observers_,
GattCharacteristicRemoved(this, characteristic));
}
void BluetoothAdapterChromeOS::NotifyGattDescriptorAdded(
BluetoothRemoteGattDescriptorChromeOS* descriptor) {
DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
descriptor->GetCharacteristic()->GetService())->GetAdapter(),
this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
observers_,
GattDescriptorAdded(this, descriptor));
}
void BluetoothAdapterChromeOS::NotifyGattDescriptorRemoved(
BluetoothRemoteGattDescriptorChromeOS* descriptor) {
DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
descriptor->GetCharacteristic()->GetService())->GetAdapter(),
this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
observers_,
GattDescriptorRemoved(this, descriptor));
}
void BluetoothAdapterChromeOS::NotifyGattCharacteristicValueChanged(
BluetoothRemoteGattCharacteristicChromeOS* characteristic,
const std::vector<uint8>& value) {
DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
characteristic->GetService())->GetAdapter(),
this);
FOR_EACH_OBSERVER(
BluetoothAdapter::Observer,
observers_,
GattCharacteristicValueChanged(this, characteristic, value));
}
void BluetoothAdapterChromeOS::NotifyGattDescriptorValueChanged(
BluetoothRemoteGattDescriptorChromeOS* descriptor,
const std::vector<uint8>& value) {
DCHECK_EQ(static_cast<BluetoothRemoteGattServiceChromeOS*>(
descriptor->GetCharacteristic()->GetService())->GetAdapter(),
this);
FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
observers_,
GattDescriptorValueChanged(this, descriptor, value));
}
void BluetoothAdapterChromeOS::UseProfile(
const BluetoothUUID& uuid,
const dbus::ObjectPath& device_path,
const BluetoothProfileManagerClient::Options& options,
BluetoothProfileServiceProvider::Delegate* delegate,
const ProfileRegisteredCallback& success_callback,
const ErrorCompletionCallback& error_callback) {
DCHECK(delegate);
if (!IsPresent()) {
VLOG(2) << "Adapter not present, erroring out";
error_callback.Run("Adapter not present");
return;
}
if (profiles_.find(uuid) != profiles_.end()) {
// TODO(jamuraa) check that the options are the same and error when they are
// not.