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[chromium-blink-merge.git] / components / proximity_auth / screenlock_state.h
blob7ba06593e7bb417e6e994d5f8e6bc03df8a28e13
1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef COMPONENTS_PROXIMITY_AUTH_SCREENLOCK_STATE_H
6 #define COMPONENTS_PROXIMITY_AUTH_SCREENLOCK_STATE_H
8 namespace proximity_auth {
10 // Possible user states of the proximity auth feature on the lock or sign-in
11 // screen.
12 enum class ScreenlockState {
13 // Proximity-based authentication is not enabled, or the screen is not
14 // locked.
15 INACTIVE,
16 // Bluetooth is not on.
17 NO_BLUETOOTH,
18 // The local device is in process of turning on Bluetooth.
19 BLUETOOTH_CONNECTING,
20 // No phones eligible to unlock the local device can be found.
21 NO_PHONE,
22 // A phone eligible to unlock the local device is found, but cannot be
23 // authenticated.
24 PHONE_NOT_AUTHENTICATED,
25 // A phone eligible to unlock the local device is found, but it's locked.
26 PHONE_LOCKED,
27 // A phone eligible to unlock the local device is found, but it does not have
28 // a lock screen enabled.
29 PHONE_NOT_LOCKABLE,
30 // An enabled phone is found, but it is not allowed to unlock the local device
31 // because it does not support reporting its lock screen state.
32 PHONE_UNSUPPORTED,
33 // A phone eligible to unlock the local device is found, but its received
34 // signal strength is too low, i.e. the phone is roughly more than 30 feet
35 // away, and therefore is not allowed to unlock the device.
36 RSSI_TOO_LOW,
37 // A phone eligible to unlock the local device is found, but the local
38 // device's transmission power is too high, indicating that the phone is
39 // (probably) more than 1 foot away, and therefore is not allowed to unlock
40 // the device.
41 TX_POWER_TOO_HIGH,
42 // A phone eligible to unlock the local device is found; but (a) the phone is
43 // locked, and (b) the local device's transmission power is too high,
44 // indicating that the phone is (probably) more than 1 foot away, and
45 // therefore is not allowed to unlock the device.
46 PHONE_LOCKED_AND_TX_POWER_TOO_HIGH,
47 // The local device can be unlocked using proximity-based authentication.
48 AUTHENTICATED,
51 } // namespace proximity_auth
53 #endif // COMPONENTS_PROXIMITY_AUTH_SCREENLOCK_STATE_H