Add CPP API for BLE advertisments.

device/bluetooth/bluetooth_advertisement_chromeos.cc

+// Copyright 2015 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_advertisement_chromeos.h"
+
+#include <string>
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/guid.h"
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "chromeos/dbus/bluetooth_le_advertising_manager_client.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "dbus/bus.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_adapter_chromeos.h"
+#include "third_party/cros_system_api/dbus/service_constants.h"
+
+namespace {
+
+void UnregisterFailure(device::BluetoothAdvertisement::ErrorCode error) {
+  LOG(ERROR) << "Unregister failed with error code = " << error;

[armansito, 2015/04/24 22:11:00]

nit: say "BluetoothAdvertisementChromeOS::Unregister failed ..."

[rkc, 2015/04/24 22:55:25]

Done.

+}
+
+void ErrorCallbackConnector(
+    const device::BluetoothAdapter::CreateAdvertisementErrorCallback&
+        error_callback,
+    const std::string& error_name,
+    const std::string& error_message) {
+  LOG(WARNING) << "Error while registering advertisement. error_name = "
+               << error_name << ", error_message = " << error_message;
+  device::BluetoothAdvertisement::ErrorCode error_code;
+  if (error_name == bluetooth_advertising_manager::kErrorFailed ||
+      error_name == bluetooth_advertising_manager::kErrorAlreadyExists) {
+    error_code =
+        device::BluetoothAdvertisement::ErrorCode::ERROR_ALREADY_EXISTS;
+  } else if (error_name ==
+             bluetooth_advertising_manager::kErrorInvalidArguments) {
+    error_code =
+        device::BluetoothAdvertisement::ErrorCode::ERROR_INVALID_LENGTH;
+  } else if (error_name == bluetooth_advertising_manager::kErrorDoesNotExist) {
+    error_code =
+        device::BluetoothAdvertisement::ErrorCode::ERROR_DOES_NOT_EXIST;
+  }
+
+  error_callback.Run(error_code);
+}
+
+}  // namespace
+
+namespace chromeos {
+
+BluetoothAdvertisementChromeOS::BluetoothAdvertisementChromeOS(
+    scoped_ptr<device::BluetoothAdvertisement::Data> data,
+    scoped_refptr<BluetoothAdapterChromeOS> adapter)
+    : adapter_(adapter) {

[armansito, 2015/04/24 22:11:00]

Can you add DCHECKs for DBusThreadManager being initialized where it's used in
this file?

[rkc, 2015/04/24 22:55:25]

Done.

+  dbus::ObjectPath advertisement_object_path = dbus::ObjectPath(
+      "/org/chromium/bluetooth_advertisement/" + base::GenerateGUID());
+  provider_ = BluetoothLEAdvertisementServiceProvider::Create(
+      DBusThreadManager::Get()->GetSystemBus(), advertisement_object_path, this,
+      static_cast<BluetoothLEAdvertisementServiceProvider::AdvertisementType>(
+          data->type()),
+      data->service_uuids().Pass(), data->manufacturer_data().Pass(),
+      data->solicit_uuids().Pass(), data->service_data().Pass());
+}
+
+void BluetoothAdvertisementChromeOS::Register(
+    const base::Closure& success_callback,
+    const device::BluetoothAdapter::CreateAdvertisementErrorCallback&
+        error_callback) {
+  DBusThreadManager::Get()
+      ->GetBluetoothLEAdvertisingManagerClient()
+      ->RegisterAdvertisement(
+          adapter_->object_path(), provider_->object_path(), success_callback,
+          base::Bind(&ErrorCallbackConnector, error_callback));
+}
+
+BluetoothAdvertisementChromeOS::~BluetoothAdvertisementChromeOS() {
+  Unregister(base::Bind(&base::DoNothing), base::Bind(&UnregisterFailure));
+}
+
+void BluetoothAdvertisementChromeOS::Unregister(
+    const SuccessCallback& success_callback,
+    const ErrorCallback& error_callback) {
+  // If we don't have a provider, that means we have already been unregistered,
+  // return an error.
+  if (!provider_) {
+    error_callback.Run(
+        device::BluetoothAdvertisement::ErrorCode::ERROR_DOES_NOT_EXIST);
+    return;
+  }
+
+  DBusThreadManager::Get()
+      ->GetBluetoothLEAdvertisingManagerClient()
+      ->UnregisterAdvertisement(
+          adapter_->object_path(), provider_->object_path(), success_callback,
+          base::Bind(&ErrorCallbackConnector, error_callback));
+  provider_.reset();
+}
+
+void BluetoothAdvertisementChromeOS::Released() {
+  LOG(WARNING) << "Advertisement released.";
+  provider_.reset();
+  FOR_EACH_OBSERVER(BluetoothAdvertisement::Observer, observers_,
+                    AdvertisementReleased(this));
+}
+
+}  // namespace chromeos