BLE advertiser

components/proximity_auth/bluetooth_low_energy_advertiser.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 "components/proximity_auth/bluetooth_low_energy_advertiser.h"
+
+#include <memory>
+#include <string>
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/memory/ptr_util.h"
+#include "components/proximity_auth/logging/logging.h"
+#include "device/bluetooth/bluetooth_adapter_factory.h"
+
+namespace proximity_auth {
+namespace {
+const char kAdvertisementUUID[] = "0000fe50-0000-1000-8000-00805f9b34fb";
+}
+
+BluetoothLowEnergyAdvertiser::BluetoothLowEnergyAdvertiser()
+    : weak_ptr_factory_(this) {}
+
+BluetoothLowEnergyAdvertiser::~BluetoothLowEnergyAdvertiser() {}
+
+void BluetoothLowEnergyAdvertiser::Advertise() {
+  device::BluetoothAdapterFactory::GetAdapter(
+      base::Bind(&BluetoothLowEnergyAdvertiser::OnAdapterInitialized,
+                 weak_ptr_factory_.GetWeakPtr()));
+}
+
+void BluetoothLowEnergyAdvertiser::OnAdapterInitialized(
+    scoped_refptr<device::BluetoothAdapter> adapter) {
+  PA_LOG(INFO) << "Adapter ready";
+  adapter_ = adapter;
+
+  std::unique_ptr<device::BluetoothAdvertisement::Data> advertisement_data =
+      base::MakeUnique<device::BluetoothAdvertisement::Data>(
+          device::BluetoothAdvertisement::AdvertisementType::
+              ADVERTISEMENT_TYPE_PERIPHERAL);
+  std::unique_ptr<device::BluetoothAdvertisement::UUIDList> list =
+      base::MakeUnique<device::BluetoothAdvertisement::UUIDList>();
+  list->push_back(std::string(kAdvertisementUUID));
+  advertisement_data->set_service_uuids(std::move(list));
+
+  adapter_->RegisterAdvertisement(
+      std::move(advertisement_data),
+      base::Bind(&BluetoothLowEnergyAdvertiser::OnAdvertisementRegistered,
+                 weak_ptr_factory_.GetWeakPtr()),
+      base::Bind(&BluetoothLowEnergyAdvertiser::OnAdvertisementError,
+                 weak_ptr_factory_.GetWeakPtr()));
+}
+
+void BluetoothLowEnergyAdvertiser::OnAdvertisementRegistered(
+    scoped_refptr<device::BluetoothAdvertisement> advertisement) {
+  PA_LOG(INFO) << "Advertisement started";
+  advertisement_ = advertisement;
+}
+
+void BluetoothLowEnergyAdvertiser::OnAdvertisementError(
+    device::BluetoothAdvertisement::ErrorCode error_code) {
+  PA_LOG(INFO) << "Advertisement failed";
+}
+
+}  // namespace proximity_auth