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
17package android.hardware.contexthub@1.2;
18
19import @1.0::IContexthubCallback;
20
21interface IContexthubCallback extends @1.0::IContexthubCallback {
22    /**
23     * This callback is passed by the Contexthub service to the HAL
24     * implementation to allow the HAL to send asynchronous messages back
25     * to the service and registered clients of the ContextHub service.
26     *
27     * @param msg             message that should be delivered to host app
28     *                        clients
29     * @param msgContentPerms list of Android permissions that cover the
30     *                        contents of the message being sent from the app.
31     *                        This is different from the permissions stored
32     *                        inside of ContextHubMsg in that these must be a
33     *                        subset of those permissions and are meant to
34     *                        assist in properly attributing the message
35     *                        contents when delivering to a ContextHub service
36     *                        client.
37     */
38    handleClientMsg_1_2(ContextHubMsg msg, vec<string> msgContentPerms);
39
40    /**
41     * This callback is passed by the Contexthub service to the HAL
42     * implementation to allow the HAL to send information about the
43     * currently loaded and active nanoapps on the hub.
44     *
45     * @param appInfo vector of HubAppinfo structure for each nanoApp
46     *                on the hub that can be enabled, disabled and
47     *                unloaded by the service. Any nanoApps that cannot
48     *                be controlled by the service must not be reported.
49     *                All nanoApps that can be controlled by the service
50     *                must be reported.
51     */
52    handleAppsInfo_1_2(vec<HubAppInfo> appInfo);
53};
54