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.usb.gadget@1.0;
18
19interface IUsbGadgetCallback {
20    /**
21     * Callback function used to propagate the status of configuration
22     * switch to the caller.
23     *
24     * @param functions list of functions defined by GadgetFunction
25     *                  included in the current USB gadget composition.
26     * @param status SUCCESS when the functions are applied.
27     *               FUNCTIONS_NOT_SUPPORTED when the configuration is
28     *                                       not supported.
29     *               ERROR otherwise.
30     */
31    oneway setCurrentUsbFunctionsCb(bitfield<GadgetFunction> functions,
32                                    Status status);
33
34    /**
35     * Callback function used to propagate the current USB gadget
36     * configuration.
37     * @param functions list of functions defined by GadgetFunction
38     *                  included in the current USB gadget composition.
39     * @param status FUNCTIONS_APPLIED when list of functions have been
40     *                                 applied.
41     *               FUNCTIONS_NOT_APPLIED when the functions have not
42     *                                     been applied.
43     *               ERROR otherwise.
44     */
45    oneway getCurrentUsbFunctionsCb(bitfield<GadgetFunction> functions,
46                                    Status status);
47};
48