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_MANAGER_H 17 #define BRIGHTNESS_MANAGER_H 18 19 #include "brightness_service.h" 20 21 namespace OHOS { 22 namespace DisplayPowerMgr { 23 class BrightnessManager { 24 public: 25 BrightnessManager(const BrightnessManager&) = delete; 26 BrightnessManager& operator=(const BrightnessManager&) = delete; 27 BrightnessManager(BrightnessManager&&) = delete; 28 BrightnessManager& operator=(BrightnessManager&&) = delete; 29 30 static BrightnessManager& Get(); 31 32 void Init(); 33 void DeInit(); 34 void SetDisplayState(uint32_t id, DisplayState state); 35 DisplayState GetState(); 36 bool AutoAdjustBrightness(bool enable); 37 bool SetBrightness(uint32_t value, uint32_t gradualDuration = 0, bool continuous = false); 38 bool DiscountBrightness(double discount); 39 double GetDiscount() const; 40 void SetScreenOnBrightness(); 41 uint32_t GetScreenOnBrightness() const; 42 bool OverrideBrightness(uint32_t value, uint32_t gradualDuration = 0); 43 bool RestoreBrightness(uint32_t gradualDuration = 0); 44 bool BoostBrightness(uint32_t timeoutMs, uint32_t gradualDuration = 0); 45 bool CancelBoostBrightness(uint32_t gradualDuration = 0); 46 bool IsBrightnessOverridden() const; 47 bool IsBrightnessBoosted() const; 48 uint32_t GetBrightness(); 49 uint32_t GetDeviceBrightness(); 50 void ClearOffset(); 51 uint32_t GetCurrentDisplayId() const; 52 void SetDisplayId(uint32_t id = 0); 53 54 private: 55 BrightnessManager() = default; 56 virtual ~BrightnessManager() = default; 57 }; 58 } // namespace DisplayPowerMgr 59 } // namespace OHOS 60 #endif // BRIGHTNESS_MANAGER_H