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// Copyright 2015 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_PROXIMITY_AUTH_METRICS_H_
#define CHROMEOS_ASH_COMPONENTS_PROXIMITY_AUTH_METRICS_H_
#include <string>
namespace proximity_auth {
namespace metrics {
extern const char kUnknownDeviceModel[];
extern const int kUnknownProximityValue;
// Possible states of the remote device's security settings. This enum is used
// to back a histogram, and hence should be treated as append-only.
enum class RemoteSecuritySettingsState {
UNKNOWN,
SCREEN_LOCK_DISABLED_TRUST_AGENT_UNSUPPORTED,
SCREEN_LOCK_DISABLED_TRUST_AGENT_DISABLED,
SCREEN_LOCK_DISABLED_TRUST_AGENT_ENABLED,
SCREEN_LOCK_ENABLED_TRUST_AGENT_UNSUPPORTED,
SCREEN_LOCK_ENABLED_TRUST_AGENT_DISABLED,
SCREEN_LOCK_ENABLED_TRUST_AGENT_ENABLED,
COUNT
};
// Records the current |rolling_rssi| reading, upon a successful auth attempt.
// |rolling_rssi| should be set to |kUnknownProximityValue| if no RSSI readings
// are available.
void RecordAuthProximityRollingRssi(int rolling_rssi);
// Records the phone model used for a successful auth attempt. The model is
// recorded as a 32-bit hash due to the limits of UMA. |device_model| should be
// set to |kUnknownDeviceModel| if the device model could not be read.
void RecordAuthProximityRemoteDeviceModelHash(const std::string& device_model);
// Records the screen lock and trust agent settings state of the remote device,
// as received in a status update from the remote device.
void RecordRemoteSecuritySettingsState(RemoteSecuritySettingsState state);
} // namespace metrics
} // namespace proximity_auth
#endif // CHROMEOS_ASH_COMPONENTS_PROXIMITY_AUTH_METRICS_H_
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