1 /*
2  * Copyright (c) 2022-2023 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 BATTERY_BACKLIGHT_H
17 #define BATTERY_BACKLIGHT_H
18 
19 #include "v1_0/include/idisplay_composer_interface.h"
20 
21 namespace OHOS {
22 namespace PowerMgr {
23 using namespace OHOS::HDI::Display::Composer::V1_0;
24 class BatteryBacklight {
25 public:
26     enum ScreenState {
27         SCREEN_OFF = 0,
28         SCREEN_ON,
29     };
30     BatteryBacklight();
31     ~BatteryBacklight();
32     void TurnOnScreen();
33     void TurnOffScreen();
34     int32_t GetScreenState();
35 
36 private:
37     std::shared_ptr<IDisplayComposerInterface> composer_ = nullptr;
38     enum ScreenState screenState_ = SCREEN_OFF;
39 };
40 } // namespace PowerMgr
41 } // namespace OHOS
42 #endif
43