1 /*
2  * Copyright (C) 2022 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 #pragma once
18 
19 #include <cstdint>
20 #include <functional>
21 #include <variant>
22 
23 struct DisplayCreatedEvent {
24   std::uint32_t display_number;
25   std::uint32_t display_width;
26   std::uint32_t display_height;
27 };
28 
29 struct DisplayDestroyedEvent {
30   std::uint32_t display_number;
31 };
32 
33 using DisplayEvent = std::variant<DisplayCreatedEvent, DisplayDestroyedEvent>;
34 using DisplayEventCallback = std::function<void(const DisplayEvent&)>;
35