blob: 33de4b58c93ad71f8e150cf4f9d8d941f8951dec [file] [log] [blame]
// Copyright 2019 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BIOD_FP_MODE_H_
#define BIOD_FP_MODE_H_
#include <ostream>
namespace biod {
class FpMode {
public:
enum class Mode : int {
// NOTE: These values are used directly by UMA, so the values must not
// be modified. New values should be added to the end (before kModeInvalid).
kNone = 0,
kDeepsleep,
kFingerDown,
kFingerUp,
kCapture,
kEnrollSession,
kEnrollSessionFingerUp,
kEnrollSessionEnrollImage,
kEnrollImage,
kMatch,
kResetSensor,
kDontChange,
kModeInvalid // must be last item
};
FpMode() = default;
explicit FpMode(Mode mode) : mode_(mode) {}
explicit FpMode(uint32_t mode);
bool operator==(const FpMode& rhs) const { return mode_ == rhs.mode_; }
bool operator!=(const FpMode& rhs) const { return !(rhs == *this); }
friend std::ostream& operator<<(std::ostream& os, const FpMode& mode) {
return os << "(enum: " << mode.EnumVal() << ", raw: 0x" << std::hex
<< mode.RawVal() << std::dec << ")";
}
Mode mode() const { return mode_; }
uint32_t RawVal() const { return EnumToRawVal(mode_); }
// TODO(tomhughes): switch to to_utype template instead of casting
int EnumVal() const { return static_cast<int>(mode_); }
int MaxEnumVal() const { return static_cast<int>(Mode::kModeInvalid); }
private:
Mode RawValToEnum(uint32_t mode) const;
uint32_t EnumToRawVal(Mode mode) const;
Mode mode_ = Mode::kModeInvalid;
};
} // namespace biod
#endif // BIOD_FP_MODE_H_