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// Copyright 2014 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/dbus/fake_bluetooth_gatt_service_client.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "device/bluetooth/dbus/bluez_dbus_manager.h"
#include "device/bluetooth/dbus/fake_bluetooth_gatt_characteristic_client.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace bluez {
namespace {
const int kExposeCharacteristicsDelayIntervalMs = 100;
} // namespace
// static
const char FakeBluetoothGattServiceClient::kHeartRateServicePathComponent[] =
"service0000";
const char FakeBluetoothGattServiceClient::kHeartRateServiceUUID[] =
"0000180d-0000-1000-8000-00805f9b34fb";
FakeBluetoothGattServiceClient::Properties::Properties(
const PropertyChangedCallback& callback)
: BluetoothGattServiceClient::Properties(
NULL,
bluetooth_gatt_service::kBluetoothGattServiceInterface,
callback) {}
FakeBluetoothGattServiceClient::Properties::~Properties() {}
void FakeBluetoothGattServiceClient::Properties::Get(
dbus::PropertyBase* property,
dbus::PropertySet::GetCallback callback) {
VLOG(1) << "Get " << property->name();
callback.Run(false);
}
void FakeBluetoothGattServiceClient::Properties::GetAll() {
VLOG(1) << "GetAll";
}
void FakeBluetoothGattServiceClient::Properties::Set(
dbus::PropertyBase* property,
dbus::PropertySet::GetCallback callback) {
VLOG(1) << "Set " << property->name();
callback.Run(false);
}
FakeBluetoothGattServiceClient::FakeBluetoothGattServiceClient()
: weak_ptr_factory_(this) {}
FakeBluetoothGattServiceClient::~FakeBluetoothGattServiceClient() {}
void FakeBluetoothGattServiceClient::Init(dbus::Bus* bus) {}
void FakeBluetoothGattServiceClient::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void FakeBluetoothGattServiceClient::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
std::vector<dbus::ObjectPath> FakeBluetoothGattServiceClient::GetServices() {
std::vector<dbus::ObjectPath> paths;
if (heart_rate_service_properties_.get()) {
DCHECK(!heart_rate_service_path_.empty());
paths.push_back(dbus::ObjectPath(heart_rate_service_path_));
}
return paths;
}
FakeBluetoothGattServiceClient::Properties*
FakeBluetoothGattServiceClient::GetProperties(
const dbus::ObjectPath& object_path) {
if (object_path.value() == heart_rate_service_path_)
return heart_rate_service_properties_.get();
return NULL;
}
void FakeBluetoothGattServiceClient::ExposeHeartRateService(
const dbus::ObjectPath& device_path) {
if (IsHeartRateVisible()) {
DCHECK(!heart_rate_service_path_.empty());
VLOG(1) << "Fake Heart Rate Service already exposed.";
return;
}
VLOG(2) << "Exposing fake Heart Rate Service.";
heart_rate_service_path_ =
device_path.value() + "/" + kHeartRateServicePathComponent;
heart_rate_service_properties_.reset(new Properties(base::Bind(
&FakeBluetoothGattServiceClient::OnPropertyChanged,
base::Unretained(this), dbus::ObjectPath(heart_rate_service_path_))));
heart_rate_service_properties_->uuid.ReplaceValue(kHeartRateServiceUUID);
heart_rate_service_properties_->device.ReplaceValue(device_path);
heart_rate_service_properties_->primary.ReplaceValue(true);
NotifyServiceAdded(dbus::ObjectPath(heart_rate_service_path_));
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE,
base::Bind(
&FakeBluetoothGattServiceClient::ExposeHeartRateCharacteristics,
weak_ptr_factory_.GetWeakPtr()),
base::TimeDelta::FromMilliseconds(kExposeCharacteristicsDelayIntervalMs));
}
void FakeBluetoothGattServiceClient::HideHeartRateService() {
if (!IsHeartRateVisible()) {
DCHECK(heart_rate_service_path_.empty());
VLOG(1) << "Fake Heart Rate Service already hidden.";
return;
}
VLOG(2) << "Hiding fake Heart Rate Service.";
FakeBluetoothGattCharacteristicClient* char_client =
static_cast<FakeBluetoothGattCharacteristicClient*>(
bluez::BluezDBusManager::Get()
->GetBluetoothGattCharacteristicClient());
char_client->HideHeartRateCharacteristics();
// Notify observers before deleting the properties structure so that it
// can be accessed from the observer method.
NotifyServiceRemoved(dbus::ObjectPath(heart_rate_service_path_));
heart_rate_service_properties_.reset();
heart_rate_service_path_.clear();
}
bool FakeBluetoothGattServiceClient::IsHeartRateVisible() const {
return !!heart_rate_service_properties_.get();
}
dbus::ObjectPath FakeBluetoothGattServiceClient::GetHeartRateServicePath()
const {
return dbus::ObjectPath(heart_rate_service_path_);
}
void FakeBluetoothGattServiceClient::OnPropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) {
VLOG(2) << "Fake GATT Service property changed: " << object_path.value()
<< ": " << property_name;
FOR_EACH_OBSERVER(BluetoothGattServiceClient::Observer, observers_,
GattServicePropertyChanged(object_path, property_name));
}
void FakeBluetoothGattServiceClient::NotifyServiceAdded(
const dbus::ObjectPath& object_path) {
VLOG(2) << "GATT service added: " << object_path.value();
FOR_EACH_OBSERVER(BluetoothGattServiceClient::Observer, observers_,
GattServiceAdded(object_path));
}
void FakeBluetoothGattServiceClient::NotifyServiceRemoved(
const dbus::ObjectPath& object_path) {
VLOG(2) << "GATT service removed: " << object_path.value();
FOR_EACH_OBSERVER(BluetoothGattServiceClient::Observer, observers_,
GattServiceRemoved(object_path));
}
void FakeBluetoothGattServiceClient::ExposeHeartRateCharacteristics() {
if (!IsHeartRateVisible()) {
VLOG(2) << "Heart Rate service not visible. Not exposing characteristics.";
return;
}
FakeBluetoothGattCharacteristicClient* char_client =
static_cast<FakeBluetoothGattCharacteristicClient*>(
bluez::BluezDBusManager::Get()
->GetBluetoothGattCharacteristicClient());
char_client->ExposeHeartRateCharacteristics(
dbus::ObjectPath(heart_rate_service_path_));
std::vector<dbus::ObjectPath> char_paths;
char_paths.push_back(char_client->GetHeartRateMeasurementPath());
char_paths.push_back(char_client->GetBodySensorLocationPath());
char_paths.push_back(char_client->GetHeartRateControlPointPath());
heart_rate_service_properties_->characteristics.ReplaceValue(char_paths);
}
} // namespace bluez
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