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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 COMPONENTS_REPORTING_METRICS_REPORTING_SETTINGS_H_
#define COMPONENTS_REPORTING_METRICS_REPORTING_SETTINGS_H_
#include <string>
#include "base/callback_list.h"
#include "base/values.h"
namespace reporting {
// Base class for settings retreivers. It is built mainly to be implemented by
// wrappers of `ash::CrosSettings` but can also be implemented by other
// settings providers if needed.
class ReportingSettings {
public:
virtual ~ReportingSettings() = default;
// Add an observer Callback for changes for the given `path`.
virtual base::CallbackListSubscription AddSettingsObserver(
const std::string& path,
base::RepeatingClosure callback) = 0;
// This should follow `CrosSettings::PrepareTrustedValues` logic, but instead
// of returning Trusted Status, it should return `true` if settings values are
// trusted and `false` otherwise.
virtual bool PrepareTrustedValues(base::OnceClosure callback) = 0;
// Get value in `out_value` and return true if the path is valid, otherwise
// do not change value and return false.
virtual bool GetBoolean(const std::string& path, bool* out_value) const = 0;
virtual bool GetInteger(const std::string& path, int* out_value) const = 0;
virtual bool GetList(const std::string& path,
const base::Value::List** out_value) const = 0;
// Return whether reporting is enabled or not, allowed settings types will be
// defined by the implementation.
virtual bool GetReportingEnabled(const std::string& path,
bool* out_value) const = 0;
};
} // namespace reporting
#endif // COMPONENTS_REPORTING_METRICS_REPORTING_SETTINGS_H_
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