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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_EARLY_PREFS_EARLY_PREFS_READER_H_
#define CHROMEOS_ASH_COMPONENTS_EARLY_PREFS_EARLY_PREFS_READER_H_
#include <memory>
#include <string>
#include "base/component_export.h"
#include "base/files/file_path.h"
#include "base/files/important_file_writer.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/values.h"
namespace ash {
class COMPONENT_EXPORT(CHROMEOS_ASH_COMPONENTS_EARLY_PREFS) EarlyPrefsReader {
public:
EarlyPrefsReader(const base::FilePath& data_dir,
scoped_refptr<base::SequencedTaskRunner> file_task_runner);
~EarlyPrefsReader();
using ResultCallback = base::OnceCallback<void(bool success)>;
void ReadFile(ResultCallback result_callback);
bool HasPref(const std::string& key) const;
bool IsManaged(const std::string& key) const;
bool IsRecommended(const std::string& key) const;
const base::Value* GetValue(const std::string& key) const;
private:
void OnFileRead(ResultCallback callback, std::unique_ptr<base::Value> root);
bool ValidateData(const base::Value::Dict* root) const;
bool ValidatePref(const base::Value& pref) const;
std::unique_ptr<base::Value> root_;
raw_ptr<base::Value::Dict> data_ = nullptr;
base::FilePath data_file_;
scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
base::WeakPtrFactory<EarlyPrefsReader> weak_factory_{this};
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_EARLY_PREFS_EARLY_PREFS_READER_H_
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