mirror of
https://github.com/kidfromjupiter/nearby.git
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118 lines
4.9 KiB
C++
118 lines
4.9 KiB
C++
// Copyright 2023 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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#ifndef THIRD_PARTY_NEARBY_FASTPAIR_FAST_PAIR_SERVICE_H_
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#define THIRD_PARTY_NEARBY_FASTPAIR_FAST_PAIR_SERVICE_H_
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#include <memory>
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#include <string>
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#include "absl/container/flat_hash_map.h"
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#include "absl/status/status.h"
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#include "absl/strings/string_view.h"
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#include "fastpair/fast_pair_plugin.h"
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#include "fastpair/fast_pair_seeker.h"
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#include "fastpair/repository/fast_pair_device_repository.h"
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#include "fastpair/server_access/fast_pair_client.h"
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#include "fastpair/server_access/fast_pair_http_notifier.h"
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#include "fastpair/repository/fast_pair_repository.h"
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#include "internal/account/account_manager.h"
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#include "internal/auth/authentication_manager.h"
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#include "internal/network/http_client.h"
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#include "internal/platform/device_info.h"
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#include "internal/platform/single_thread_executor.h"
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#include "internal/platform/task_runner.h"
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#include "internal/preferences/preferences_manager.h"
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namespace nearby {
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namespace fastpair {
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// Fast Pair Seeker Service. There should be only one instance of the service
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// running on the system.
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class FastPairService {
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public:
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FastPairService();
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// Constructor for tests. Allows us to inject a serverless metadata
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// repository.
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FastPairService(
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std::unique_ptr<auth::AuthenticationManager> authentication_manager,
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std::unique_ptr<network::HttpClient> http_client,
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std::unique_ptr<DeviceInfo> device_info);
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~FastPairService();
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// Registers a plugin provider. `name` must be a unique.
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// Returns an error if a provider with the same `name` is already registered.
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absl::Status RegisterPluginProvider(
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absl::string_view name, std::unique_ptr<FastPairPluginProvider> provider);
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// Unregisters a plugin provider and removes all plugins created by that
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// provider. Returns an error if there is no plugin provider registered with
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// `name`.
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absl::Status UnregisterPluginProvider(absl::string_view name);
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// Returns a `FastPairSeeker` implementation. The returned object has the
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// same lifetime as this `FastPairService` instance.
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FastPairSeeker* GetSeeker() const { return seeker_.get(); }
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// Returns a `AccountManager` implementation. The returned object has the
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// same lifetime as this `FastPairService` instance.
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AccountManager* GetAccountManager() { return account_manager_.get(); }
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// Returns a `FastPairRepository` implementation. The returned object has the
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// same lifetime as this `FastPairService` instance.
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FastPairRepository* GetFastPairRepository() {
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return fast_pair_repository_.get();
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}
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private:
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struct PluginState {
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// Gets the plugin for `device`. Creates the plugin if it does not exist.
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FastPairPlugin* GetPlugin(FastPairSeeker* seeker,
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const FastPairDevice* device);
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std::unique_ptr<FastPairPluginProvider> provider;
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absl::flat_hash_map<const FastPairDevice*, std::unique_ptr<FastPairPlugin>>
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plugins;
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};
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void OnInitialDiscoveryEvent(const FastPairDevice& device,
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InitialDiscoveryEvent event);
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void OnSubsequentDiscoveryEvent(const FastPairDevice& device,
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SubsequentDiscoveryEvent event);
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void OnPairEvent(const FastPairDevice& device, PairEvent event);
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void OnScreenEvent(ScreenEvent event);
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void OnBatteryEvent(const FastPairDevice& device, BatteryEvent event);
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void OnRingEvent(const FastPairDevice& device, RingEvent event);
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void OnDeviceDestroyed(const FastPairDevice& device);
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SingleThreadExecutor executor_;
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FastPairHttpNotifier fast_pair_http_notifier_;
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std::unique_ptr<FastPairSeeker> seeker_;
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// Plugin name is the key.
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absl::flat_hash_map<std::string, PluginState> plugin_states_;
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FastPairDeviceRepository devices_{&executor_};
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std::unique_ptr<auth::AuthenticationManager> authentication_manager_;
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std::unique_ptr<network::HttpClient> http_client_;
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std::unique_ptr<DeviceInfo> device_info_;
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std::unique_ptr<TaskRunner> task_runner_;
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std::unique_ptr<preferences::PreferencesManager> preferences_manager_;
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std::unique_ptr<AccountManager> account_manager_;
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std::unique_ptr<FastPairClient> fast_pair_client_;
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std::unique_ptr<FastPairRepository> fast_pair_repository_;
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FastPairDeviceRepository::RemoveDeviceCallback on_device_destroyed_callback_;
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};
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} // namespace fastpair
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_FASTPAIR_FAST_PAIR_SERVICE_H_
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