1 /*
2  * Copyright (C) 2020 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 
17 package android.car.experimental;
18 
19 import android.car.experimental.DriverDistractionChangeEvent;
20 import android.car.experimental.IDriverDistractionChangeListener;
21 
22 /** @hide */
23 interface IDriverDistractionManager {
24     /**
25      * Gets the current driver distraction level based on the last change event that is not stale.
26      */
getLastDistractionEvent()27     DriverDistractionChangeEvent getLastDistractionEvent() = 0;
28    /**
29     * Registers a listener to be called when the driver's distraction level has changed.
30     *
31     * Listener immediately receives a callback.
32     */
33     void addDriverDistractionChangeListener(in IDriverDistractionChangeListener listener) = 1;
34     /**
35      * Removes the provided listener from receiving callbacks.
36      */
37     void removeDriverDistractionChangeListener(in IDriverDistractionChangeListener listener) = 2;
38 }