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1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.hardware.biometrics.fingerprint@2.1;
18
19/* This HAL interface communicates asynchronous results from the
20   fingerprint driver in response to user actions on the fingerprint sensor
21*/
22interface IBiometricsFingerprintClientCallback {
23    /**
24     * Sent when one enrollment step is complete.
25     * @param deviceId the instance of this fingerprint device
26     * @param fingerId the fingerprint templetate being enrolled
27     * @param groupId the groupid for the template being enrolled
28     * @param remaining the number of remaining steps before enrolllment is complete
29     */
30    oneway onEnrollResult(uint64_t deviceId, uint32_t fingerId, uint32_t groupId, uint32_t remaining);
31
32    /**
33     * Sent when a fingerprint image is acquired by the sensor
34     * @param deviceId the instance of this fingerprint device
35     * @param acquiredInfo a message about the quality of the acquired image
36     * @param vendorCode a vendor-specific message about the quality of the image. Only
37     *        valid when acquiredInfo == ACQUIRED_VENDOR
38     */
39    oneway onAcquired(uint64_t deviceId, FingerprintAcquiredInfo acquiredInfo, int32_t vendorCode);
40
41    /**
42     * Sent when a fingerprint is authenticated
43     * @param deviceId the instance of this fingerprint device
44     * @param fingerId the fingerprint templetate that was authenticated
45     * @param groupId the groupid for the template that was authenticated
46     * @param token the hardware authentication token to pass to Keystore.addAuthToken()
47     */
48    oneway onAuthenticated(uint64_t deviceId, uint32_t fingerId, uint32_t groupId, vec<uint8_t> token);
49
50    /**
51     * Sent when a fingerprint error occurs
52     * @param deviceId the instance of this fingerprint device
53     * @param error a message about the error that occurred
54     * @param vendorCode a vendor-speicifc error message. Only valid
55     *        when error == ERROR_VENDOR
56     */
57    oneway onError(uint64_t deviceId, FingerprintError error, int32_t vendorCode);
58
59    /**
60     * Sent when one template is removed
61     * @param deviceId the instance of this fingerprint device
62     * @param fingerId the fingerprint templetate being removed
63     * @param groupId the groupid for the template being removed
64     * @param remaining the number of remaining templates that will be removed.
65     */
66    oneway onRemoved(uint64_t deviceId, uint32_t fingerId, uint32_t groupId, uint32_t remaining);
67
68    /**
69     * Sent when one fingerprint template is enumerated
70     * @param deviceId the instance of this fingerprint device
71     * @param fingerId the fingerprint for this templetate
72     * @param groupId the groupid for this template
73     * @param remaining the number of remaining steps before enumeration is complete
74     */
75    oneway onEnumerate(uint64_t deviceId, uint32_t fingerId, uint32_t groupId, uint32_t remaining);
76};
77