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 IHdmiCecCallback {
20    /**
21     * The callback function that must be called by HAL implementation to notify
22     * the system of new CEC message arrival.
23     */
24    oneway onCecMessage(CecMessage message);
25
26    /**
27     * The callback function that must be called by HAL implementation to notify
28     * the system of new hotplug event.
29     */
30    oneway onHotplugEvent(HotplugEvent event);
31
32    /**
33     * The callback function must be called by HAL implementation to notify the
34     * system whenever CEC device information of CEC network change.
35     * HAL shall be ready for readDeviceInfo call before invoke this callback.
36     * This event is triggered by topology change of whole CEC network. It's
37     * different from HotplugEvent which is triggered between devices which are
38     * connected directly through HDMI cable.
39     */
40    oneway onTopologyEvent(CecTopologyEvent event);
41};
42