mirror of
https://github.com/kidfromjupiter/nearby.git
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90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "fastpair/scanning/scanner_broker_impl.h"
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#include <memory>
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#include <utility>
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#include "absl/functional/bind_front.h"
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#include "fastpair/common/fast_pair_device.h"
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#include "fastpair/scanning/fastpair/fast_pair_discoverable_scanner.h"
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#include "fastpair/scanning/fastpair/fast_pair_discoverable_scanner_impl.h"
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#include "fastpair/scanning/fastpair/fast_pair_scanner_impl.h"
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#include "internal/platform/bluetooth_adapter.h"
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#include "internal/platform/logging.h"
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#include "internal/platform/task_runner_impl.h"
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namespace nearby {
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namespace fastpair {
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ScannerBrokerImpl::ScannerBrokerImpl() {
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adapter_ = std::make_shared<BluetoothAdapter>();
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task_runner_ = std::make_unique<TaskRunnerImpl>(1);
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}
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void ScannerBrokerImpl::AddObserver(Observer* observer) {
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observers_.AddObserver(observer);
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}
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void ScannerBrokerImpl::RemoveObserver(Observer* observer) {
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observers_.RemoveObserver(observer);
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}
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void ScannerBrokerImpl::StartScanning(Protocol protocol) {
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NEARBY_LOGS(VERBOSE) << __func__ << ": protocol=" << protocol;
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task_runner_->PostTask([this]() { StartFastPairScanning(); });
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}
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void ScannerBrokerImpl::StopScanning(Protocol protocol) {
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NEARBY_LOGS(VERBOSE) << __func__ << ": protocol=" << protocol;
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task_runner_->PostTask([this]() { StopFastPairScanning(); });
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}
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void ScannerBrokerImpl::StartFastPairScanning() {
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DCHECK(!fast_pair_discoverable_scanner_);
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DCHECK(adapter_);
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NEARBY_LOGS(VERBOSE) << "Starting Fast Pair Scanning.";
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scanner_ = std::make_shared<FastPairScannerImpl>();
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fast_pair_discoverable_scanner_ =
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FastPairDiscoverableScannerImpl::Factory::Create(
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scanner_, adapter_,
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absl::bind_front(&ScannerBrokerImpl::NotifyDeviceFound, this),
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absl::bind_front(&ScannerBrokerImpl::NotifyDeviceLost, this));
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}
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void ScannerBrokerImpl::StopFastPairScanning() {
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fast_pair_discoverable_scanner_.reset();
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scanner_.reset();
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observers_.Clear();
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NEARBY_LOGS(VERBOSE) << __func__ << "Stopping Fast Pair Scanning.";
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}
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void ScannerBrokerImpl::NotifyDeviceFound(const FastPairDevice& device) {
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NEARBY_LOGS(INFO) << __func__ << ": Notifying device found, model id = "
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<< device.GetModelId();
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for (auto& observer : observers_.GetObservers()) {
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observer->OnDeviceFound(device);
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}
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}
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void ScannerBrokerImpl::NotifyDeviceLost(const FastPairDevice& device) {
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NEARBY_LOGS(INFO) << __func__ << ": Notifying device lost, model id = "
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<< device.GetModelId();
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for (auto& observer : observers_.GetObservers()) {
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observer->OnDeviceLost(device);
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}
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}
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} // namespace fastpair
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} // namespace nearby
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