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// Copyright 2018 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_ASH_POWER_AUTO_SCREEN_BRIGHTNESS_UTILS_H_
#define CHROME_BROWSER_ASH_POWER_AUTO_SCREEN_BRIGHTNESS_UTILS_H_
#include <string>
#include <vector>
#include "base/containers/ring_buffer.h"
namespace ash {
namespace power {
namespace auto_screen_brightness {
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class DataError {
kAlsValue = 0,
kBrightnessPercent = 1,
kMojoSamplesObserver = 2,
kMaxValue = kMojoSamplesObserver
};
// Logs data errors to UMA.
void LogDataError(DataError error);
// Returns natural log of 1+|value|.
double ConvertToLog(double value);
// Represents whether any trainer or adapter parameter has been set incorrectly.
// This does *not* include the status of the user's personal curve.
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class ParameterError {
kModelError = 0,
kAdapterError = 1,
kMaxValue = kAdapterError
};
// Logs to UMA that a parameter is invalid.
void LogParameterError(ParameterError error);
// Formats a double value that represents percentages.
std::string FormatToPrint(double value);
} // namespace auto_screen_brightness
} // namespace power
} // namespace ash
#endif // CHROME_BROWSER_ASH_POWER_AUTO_SCREEN_BRIGHTNESS_UTILS_H_
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