1 /*
2  * Copyright (c) 2023-2023 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 BRIGHTNESS_ACTION_H
17 #define BRIGHTNESS_ACTION_H
18 
19 #include <cstdint>
20 #include <functional>
21 #include <memory>
22 #include <mutex>
23 #include <vector>
24 
25 #include "brightness_base.h"
26 #include "display_power_info.h"
27 
28 namespace OHOS {
29 namespace DisplayPowerMgr {
30 class BrightnessAction {
31 public:
32     explicit BrightnessAction(uint32_t displayId);
33     ~BrightnessAction() = default;
34     BrightnessAction(const BrightnessAction&) = delete;
35     BrightnessAction& operator=(const BrightnessAction&) = delete;
36     BrightnessAction(BrightnessAction&&) = delete;
37     BrightnessAction& operator=(BrightnessAction&&) = delete;
38 
39     static uint32_t GetDefaultDisplayId();
40     static std::vector<uint32_t> GetAllDisplayId();
41 
42     uint32_t GetDisplayId();
43     void SetDisplayId(uint32_t displayId);
44     DisplayState GetDisplayState();
45     bool SetDisplayState(DisplayState state, const std::function<void(DisplayState)>& callback);
46     bool SetDisplayPower(DisplayState state, uint32_t reason);
47     uint32_t GetBrightness();
48     bool SetBrightness(uint32_t value);
49     bool SetBrightness(uint32_t displayId, uint32_t value);
50 
51 private:
52     std::mutex mMutexBrightness;
53     uint32_t mBrightness {102};
54     uint32_t mDisplayId {DEFAULT_DISPLAY_ID};
55 };
56 } // namespace DisplayPowerMgr
57 } // namespace OHOS
58 #endif // BRIGHTNESS_ACTION_H
59