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 LIGHT_LUX_MANAGER_H
17 #define LIGHT_LUX_MANAGER_H
18 
19 #include <vector>
20 
21 #include "config_parser.h"
22 #include "ilight_lux_manager.h"
23 #include "light_lux_buffer.h"
24 
25 namespace OHOS {
26 namespace DisplayPowerMgr {
27 class LightLuxManager : public ILightLuxManager {
28 public:
29     LightLuxManager() = default;
30     ~LightLuxManager() override = default;
31 
32     LightLuxManager(const LightLuxManager&) = delete;
33     LightLuxManager& operator=(const LightLuxManager&) = delete;
34     LightLuxManager(LightLuxManager&&) = delete;
35     LightLuxManager& operator=(LightLuxManager&&) = delete;
36 
37     void InitParameters() override;
38     void SetSceneMode(BrightnessSceneMode mode) override;
39     float GetFilteredLux() const override;
40     float GetSmoothedLux() const override;
41     void ClearLuxData() override;
42     void UpdateSmoothedLux(float lux);
43     bool IsNeedUpdateBrightness(float lux) override;
44 
45     float GetLux() const override;
46     void SetLux(const float lux) override;
47     bool GetIsFirstLux();
48 
49 private:
50     void UpdateLuxBuffer(int64_t timestamp, float lux);
51     bool IsUpdateLuxSuccess(int64_t timestamp);
52     float CalcSmoothLux() const;
53     int64_t GetNextBrightenTime(int64_t timestamp) const;
54     int64_t GetNextDarkenTime(int64_t timestamp) const;
55     void UpdateParam(float lux);
56     float CalcDelta(const std::vector<PointXy>& pointList) const;
57     float GetValidLux(float lux) const;
58     int GetDarkenResponseTime() const;
59     int GetBrightenResponseTime() const;
60     const LuxThresholdConfig::Mode& GetCurrentModeData() const;
61     std::vector<PointXy> GetBrightenLuxList();
62     std::vector<PointXy> GetDarkenLuxList();
63     int GetFilterNum();
64     int GetNoFilterNum();
65     void PrintCurrentLuxLog(int64_t timestamp);
66 
67     LightLuxBuffer mLuxBuffer{};
68     LightLuxBuffer mLuxBufferFilter{};
69     float mLux{0.0f};
70     float mFilteredLux{0.0f};
71     bool mIsFirstLux{false};
72     float mSmoothedButNotStabledLux{0.0f};
73     float mBrightenDelta{120.0f};
74     float mDarkenDelta{110.0f};
75     int64_t mPrintLogTime{0};
76     BrightnessFilterMode mCurrentFilter{static_cast<int>(BrightnessFilterMode::MEAN_FILTER)};
77     BrightnessSceneMode mCurrentSceneMode{static_cast<int>(BrightnessSceneMode::MODE_DEFAULT)};
78     Config mBrightnessConfigData{};
79 };
80 } // namespace BrightnessPowerMgr
81 } // namespace OHOS
82 #endif // LIGHT_LUX_MANAGER_H