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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_REPORTING_HEALTH_HEALTH_MODULE_DELEGATE_H_
#define COMPONENTS_REPORTING_HEALTH_HEALTH_MODULE_DELEGATE_H_
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/thread_annotations.h"
#include "components/reporting/proto/synced/record.pb.h"
#include "components/reporting/util/status.h"
namespace reporting {
using HealthCallback = base::OnceCallback<void(ERPHealthData)>;
// Interface between the Health Module and the underlying data that needs to
// be stored. Fully implemented for production, overridden for testing.
class HealthModuleDelegate {
public:
HealthModuleDelegate();
HealthModuleDelegate(const HealthModuleDelegate& other) = delete;
HealthModuleDelegate& operator=(const HealthModuleDelegate& other) = delete;
virtual ~HealthModuleDelegate();
// Initialization logic.
void Init();
// Gets a copy of health data and runs a callback with it.
void GetERPHealthData(HealthCallback cb) const;
// Writes a history record.
void PostHealthRecord(HealthDataHistory history);
bool IsInitialized() const;
base::WeakPtr<HealthModuleDelegate> GetWeakPtr();
protected:
// Checker should be used by subclass too.
SEQUENCE_CHECKER(sequence_checker_);
private:
// Implementation for prod, overrides for testing.
virtual Status DoInit() = 0;
virtual void DoGetERPHealthData(HealthCallback cb) const = 0;
virtual void DoPostHealthRecord(HealthDataHistory history) = 0;
bool initialized_ GUARDED_BY_CONTEXT(sequence_checker_) = false;
base::WeakPtrFactory<HealthModuleDelegate> weak_ptr_factory_{this};
};
} // namespace reporting
#endif // COMPONENTS_REPORTING_HEALTH_HEALTH_MODULE_DELEGATE_H_
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