1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef ISCREEN_BRIGHTNESS_TASK
17 #define ISCREEN_BRIGHTNESS_TASK
18 
19 namespace OHOS {
20 namespace UserIam {
21 namespace FaceAuth {
22 class IScreenBrightnessTask {
23 public:
24     IScreenBrightnessTask() = default;
25     virtual ~IScreenBrightnessTask() = default;
26 
27     using DestructCallback = std::function<void(void)>;
28 
29     virtual void Start() = 0;
30     virtual void Stop() = 0;
31     virtual void SetAmbientLight(float lux) = 0;
32     virtual void RegisterDestructCallback(DestructCallback callback) = 0;
33 };
34 } // namespace FaceAuth
35 } // namespace UserIam
36 } // namespace OHOS
37 
38 #endif // ISCREEN_BRIGHTNESS_TASK