mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-16 15:36:12 -04:00
Janusz Sobczak
3cf20ee3bc
Add DeviceMetadata to FastPairDevice after downloading it. It simplifies the code and prevents fetching the same metadata several times. FastPairDataEncryptorImpl does not download the metadata anymore. Metadata must have already been downloaded, otherwise we wouldn't know what FP protocol to use. PiperOrigin-RevId: 542490742
59 lines
1.8 KiB
C++
59 lines
1.8 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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#ifndef THIRD_PARTY_NEARBY_FASTPAIR_SERVER_ACCESS_FAST_PAIR_METADATA_DOWNLOADER_H_
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#define THIRD_PARTY_NEARBY_FASTPAIR_SERVER_ACCESS_FAST_PAIR_METADATA_DOWNLOADER_H_
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#include <functional>
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#include <optional>
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#include <string>
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#include "absl/functional/any_invocable.h"
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#include "absl/strings/string_view.h"
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#include "fastpair/common/device_metadata.h"
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namespace nearby {
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namespace fastpair {
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class FastPairMetadataDownloader {
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public:
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using SuccessCallback = absl::AnyInvocable<void(DeviceMetadata&)>;
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using FailureCallback = absl::AnyInvocable<void()>;
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FastPairMetadataDownloader(absl::string_view model_id,
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SuccessCallback success_callback,
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FailureCallback failure_callback);
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virtual ~FastPairMetadataDownloader();
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// Starts downloading the device information
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void Run();
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protected:
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absl::string_view model_id() const { return model_id_; }
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virtual void OnRun() = 0;
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void Succeed(DeviceMetadata& device_metadata);
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void Fail();
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private:
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absl::string_view model_id_;
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SuccessCallback success_callback_;
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FailureCallback failure_callback_;
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bool was_run_ = false;
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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_SERVER_ACCESS_FAST_PAIR_METADATA_DOWNLOADER_H_
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