1/*
2 * Copyright (C) 2019 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 [email protected];
18
19interface IFrontendCallback {
20    /**
21     * Notify the client that a new event happened on the frontend.
22     *
23     * @param frontendEventType the event type.
24     */
25    oneway onEvent(FrontendEventType frontendEventType);
26
27    /**
28     * The callback function that must be called by HAL implementation to notify
29     * the client of scan messages.
30     *
31     * @param type the type of scan message.
32     * @param message the scan message sent by HAL to the client.
33     */
34    oneway onScanMessage(FrontendScanMessageType type, FrontendScanMessage message);
35};
36