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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_OPTIMIZATION_GUIDE_MODEL_VALIDATOR_KEYED_SERVICE_H_
#define CHROME_BROWSER_OPTIMIZATION_GUIDE_MODEL_VALIDATOR_KEYED_SERVICE_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "base/sequence_checker.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/optimization_guide/core/optimization_guide_model_executor.h"
#include "components/optimization_guide/proto/model_execution.pb.h"
#include "components/optimization_guide/proto/model_validation.pb.h"
#include "components/signin/public/identity_manager/identity_manager.h"
class Profile;
namespace optimization_guide {
// Keyed service that validates models when enabled via command-line switch.
class ModelValidatorKeyedService : public KeyedService,
public signin::IdentityManager::Observer {
public:
explicit ModelValidatorKeyedService(Profile* profile);
~ModelValidatorKeyedService() override;
private:
void StartModelExecutionValidation();
// Kicks off the validation process for the on-device model.
void StartOnDeviceModelExecutionValidation(
std::unique_ptr<optimization_guide::proto::ModelValidationInput> input);
// Calls the on-device model executor to execute the model.
void PerformOnDeviceModelExecutionValidation(
std::unique_ptr<optimization_guide::proto::ModelValidationInput> input);
// Calls ExecuteModel on the on-device validation session.
void ExecuteModel(
std::unique_ptr<optimization_guide::proto::ExecuteRequest> request);
// Invoked when model execution completes.
void OnModelExecuteResponse(OptimizationGuideModelExecutionResult result,
std::unique_ptr<ModelQualityLogEntry> log_entry);
// Invoked when on-device model execution completes.
void OnDeviceModelExecuteResponse(
const std::unique_ptr<optimization_guide::proto::ExecuteRequest>& request,
OptimizationGuideModelStreamingExecutionResult result);
// signin::IdentityManager::Observer:
void OnPrimaryAccountChanged(
const signin::PrimaryAccountChangeEvent& event_details) override;
raw_ptr<Profile> profile_;
std::unique_ptr<OptimizationGuideModelExecutor::Session>
on_device_validation_session_;
base::ScopedObservation<signin::IdentityManager, ModelValidatorKeyedService>
identity_manager_observation_{this};
SEQUENCE_CHECKER(sequence_checker_);
// Used to get `weak_ptr_` to self.
base::WeakPtrFactory<ModelValidatorKeyedService> weak_ptr_factory_{this};
};
} // namespace optimization_guide
#endif // CHROME_BROWSER_OPTIMIZATION_GUIDE_MODEL_VALIDATOR_KEYED_SERVICE_H_
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