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