Refactor DBusThreadManager to split away BT clients.

chromeos/dbus/fake_bluetooth_gatt_descriptor_client.cc

-// 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 "chromeos/dbus/fake_bluetooth_gatt_descriptor_client.h"
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "chromeos/dbus/bluetooth_gatt_characteristic_client.h"
-#include "chromeos/dbus/dbus_thread_manager.h"
-#include "third_party/cros_system_api/dbus/service_constants.h"
-
-namespace chromeos {
-
-const char FakeBluetoothGattDescriptorClient::
-    kClientCharacteristicConfigurationPathComponent[] = "desc0000";
-const char FakeBluetoothGattDescriptorClient::
-    kClientCharacteristicConfigurationUUID[] =
-        "00002902-0000-1000-8000-00805f9b34fb";
-
-FakeBluetoothGattDescriptorClient::Properties::Properties(
-    const PropertyChangedCallback& callback)
-    : BluetoothGattDescriptorClient::Properties(
-          NULL,
-          bluetooth_gatt_descriptor::kBluetoothGattDescriptorInterface,
-          callback) {
-}
-
-FakeBluetoothGattDescriptorClient::Properties::~Properties() {
-}
-
-void FakeBluetoothGattDescriptorClient::Properties::Get(
-    dbus::PropertyBase* property,
-    dbus::PropertySet::GetCallback callback) {
-  VLOG(1) << "Get " << property->name();
-  callback.Run(true);
-}
-
-void FakeBluetoothGattDescriptorClient::Properties::GetAll() {
-  VLOG(1) << "GetAll";
-}
-
-void FakeBluetoothGattDescriptorClient::Properties::Set(
-    dbus::PropertyBase* property,
-    dbus::PropertySet::SetCallback callback) {
-  VLOG(1) << "Set " << property->name();
-  callback.Run(false);
-}
-
-FakeBluetoothGattDescriptorClient::DescriptorData::DescriptorData() {
-}
-
-FakeBluetoothGattDescriptorClient::DescriptorData::~DescriptorData() {
-}
-
-FakeBluetoothGattDescriptorClient::FakeBluetoothGattDescriptorClient()
-    : weak_ptr_factory_(this) {
-}
-
-FakeBluetoothGattDescriptorClient::~FakeBluetoothGattDescriptorClient() {
-  for(PropertiesMap::iterator iter = properties_.begin(); iter !=
-      properties_.end(); iter++)
-    delete iter->second;
-}
-
-void FakeBluetoothGattDescriptorClient::Init(dbus::Bus* bus) {
-}
-
-void FakeBluetoothGattDescriptorClient::AddObserver(Observer* observer) {
-  observers_.AddObserver(observer);
-}
-
-void FakeBluetoothGattDescriptorClient::RemoveObserver(Observer* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-std::vector<dbus::ObjectPath>
-FakeBluetoothGattDescriptorClient::GetDescriptors() {
-  std::vector<dbus::ObjectPath> descriptors;
-  for (PropertiesMap::const_iterator iter = properties_.begin();
-       iter != properties_.end(); ++iter) {
-    descriptors.push_back(iter->first);
-  }
-  return descriptors;
-}
-
-FakeBluetoothGattDescriptorClient::Properties*
-FakeBluetoothGattDescriptorClient::GetProperties(
-    const dbus::ObjectPath& object_path) {
-  PropertiesMap::const_iterator iter = properties_.find(object_path);
-  if (iter == properties_.end())
-    return NULL;
-  return iter->second->properties.get();
-}
-
-void FakeBluetoothGattDescriptorClient::ReadValue(
-    const dbus::ObjectPath& object_path,
-    const ValueCallback& callback,
-    const ErrorCallback& error_callback) {
-  PropertiesMap::iterator iter = properties_.find(object_path);
-  if (iter == properties_.end()) {
-    error_callback.Run(kUnknownDescriptorError, "");
-    return;
-  }
-
-  // Assign the value of the descriptor as necessary
-  Properties* properties = iter->second->properties.get();
-  if (properties->uuid.value() == kClientCharacteristicConfigurationUUID) {
-    BluetoothGattCharacteristicClient::Properties* chrc_props =
-        DBusThreadManager::Get()
-            ->GetBluetoothGattCharacteristicClient()
-            ->GetProperties(properties->characteristic.value());
-    DCHECK(chrc_props);
-
-    uint8_t value_byte = chrc_props->notifying.value() ? 0x01 : 0x00;
-    const std::vector<uint8_t>& cur_value = properties->value.value();
-
-    if (!cur_value.size() || cur_value[0] != value_byte) {
-      std::vector<uint8_t> value = {value_byte, 0x00};
-      properties->value.ReplaceValue(value);
-    }
-  }
-
-  callback.Run(iter->second->properties->value.value());
-}
-
-void FakeBluetoothGattDescriptorClient::WriteValue(
-    const dbus::ObjectPath& object_path,
-    const std::vector<uint8>& value,
-    const base::Closure& callback,
-    const ErrorCallback& error_callback) {
-  if (properties_.find(object_path) == properties_.end()) {
-    error_callback.Run(kUnknownDescriptorError, "");
-    return;
-  }
-
-  // Since the only fake descriptor is "Client Characteristic Configuration"
-  // and BlueZ doesn't allow writing to it, return failure.
-  error_callback.Run("org.bluez.Error.NotPermitted",
-                     "Writing to the Client Characteristic Configuration "
-                     "descriptor not allowed");
-}
-
-dbus::ObjectPath FakeBluetoothGattDescriptorClient::ExposeDescriptor(
-    const dbus::ObjectPath& characteristic_path,
-    const std::string& uuid) {
-  if (uuid != kClientCharacteristicConfigurationUUID) {
-    VLOG(2) << "Unsupported UUID: " << uuid;
-    return dbus::ObjectPath();
-  }
-
-  // CCC descriptor is the only one supported at the moment.
-  DCHECK(characteristic_path.IsValid());
-  dbus::ObjectPath object_path(
-      characteristic_path.value() + "/" +
-      kClientCharacteristicConfigurationPathComponent);
-  DCHECK(object_path.IsValid());
-  PropertiesMap::const_iterator iter = properties_.find(object_path);
-  if (iter != properties_.end()) {
-    VLOG(1) << "Descriptor already exposed: " << object_path.value();
-    return dbus::ObjectPath();
-  }
-
-  Properties* properties = new Properties(base::Bind(
-      &FakeBluetoothGattDescriptorClient::OnPropertyChanged,
-      weak_ptr_factory_.GetWeakPtr(),
-      object_path));
-  properties->uuid.ReplaceValue(uuid);
-  properties->characteristic.ReplaceValue(characteristic_path);
-
-  DescriptorData* data = new DescriptorData();
-  data->properties.reset(properties);
-
-  properties_[object_path] = data;
-
-  NotifyDescriptorAdded(object_path);
-
-  return object_path;
-}
-
-void FakeBluetoothGattDescriptorClient::HideDescriptor(
-    const dbus::ObjectPath& descriptor_path) {
-  PropertiesMap::iterator iter = properties_.find(descriptor_path);
-  if (iter == properties_.end()) {
-    VLOG(1) << "Descriptor not exposed: " << descriptor_path.value();
-    return;
-  }
-
-  NotifyDescriptorRemoved(descriptor_path);
-
-  delete iter->second;
-  properties_.erase(iter);
-}
-
-void FakeBluetoothGattDescriptorClient::OnPropertyChanged(
-    const dbus::ObjectPath& object_path,
-    const std::string& property_name) {
-  VLOG(2) << "Descriptor property changed: " << object_path.value()
-          << ": " << property_name;
-
-  FOR_EACH_OBSERVER(BluetoothGattDescriptorClient::Observer, observers_,
-                    GattDescriptorPropertyChanged(object_path, property_name));
-}
-
-void FakeBluetoothGattDescriptorClient::NotifyDescriptorAdded(
-    const dbus::ObjectPath& object_path) {
-  FOR_EACH_OBSERVER(BluetoothGattDescriptorClient::Observer, observers_,
-                    GattDescriptorAdded(object_path));
-}
-
-void FakeBluetoothGattDescriptorClient::NotifyDescriptorRemoved(
-    const dbus::ObjectPath& object_path) {
-  FOR_EACH_OBSERVER(BluetoothGattDescriptorClient::Observer, observers_,
-                    GattDescriptorRemoved(object_path));
-}
-
-}  // namespace chromeos