1 /* 2 * Copyright (c) 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 #ifndef OHOS_ROSEN_WINDOW_SCENE_SCREEN_SETTING_HELPER_H 16 #define OHOS_ROSEN_WINDOW_SCENE_SCREEN_SETTING_HELPER_H 17 18 #include <cstdint> 19 #include <string> 20 21 #include "setting_observer.h" 22 23 namespace OHOS { 24 namespace Rosen { 25 class ScreenSettingHelper { 26 public: 27 static void RegisterSettingDpiObserver(SettingObserver::UpdateFunc func); 28 static void UnregisterSettingDpiObserver(); 29 static bool GetSettingDpi(uint32_t& dpi, const std::string& key = SETTING_DPI_KEY); 30 static bool SetSettingDefaultDpi(uint32_t& dpi, const std::string& key); 31 static bool GetSettingValue(uint32_t& value, const std::string& key); 32 static void RegisterSettingCastObserver(SettingObserver::UpdateFunc func); 33 static void UnregisterSettingCastObserver(); 34 static bool GetSettingCast(bool& enable, const std::string& key = SETTING_CAST_KEY); 35 static void RegisterSettingRotationObserver(SettingObserver::UpdateFunc func); 36 static void UnregisterSettingRotationObserver(); 37 static void SetSettingRotation(int32_t rotation); 38 static void SetSettingRotationScreenId(int32_t screenId); 39 static bool GetSettingRotation(int32_t& rotation, const std::string& key = SETTING_ROTATION_KEY); 40 static bool GetSettingRotationScreenId(int32_t& screenId, const std::string& key = SETTING_ROTATION_SCREEN_ID_KEY); 41 42 private: 43 static const constexpr char* SETTING_DPI_KEY {"user_set_dpi_value"}; 44 static const constexpr char* SETTING_CAST_KEY {"huaweicast.data.privacy_projection_state"}; 45 static const constexpr char* SETTING_ROTATION_KEY {"screen_rotation_value"}; 46 static const constexpr char* SETTING_ROTATION_SCREEN_ID_KEY {"screen_rotation_screen_id_value"}; 47 static sptr<SettingObserver> dpiObserver_; 48 static sptr<SettingObserver> castObserver_; 49 static sptr<SettingObserver> rotationObserver_; 50 }; 51 } // namespace Rosen 52 } // namespace OHOS 53 54 #endif // OHOS_ROSEN_WINDOW_SCENE_SCREEN_SETTING_HELPER_H 55