/* * Copyright (c) 2024 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef UI_APPEARANCE_UTILS_SETTING_DATA_OBSERVER_H #define UI_APPEARANCE_UTILS_SETTING_DATA_OBSERVER_H #include "data_ability_observer_stub.h" namespace OHOS::ArkUi::UiAppearance { constexpr int32_t INVALID_USER_ID = -1; class SettingDataObserver final : public AAFwk::DataAbilityObserverStub { public: SettingDataObserver() = default; ~SettingDataObserver() override = default; void OnChange() override; void SetKey(const std::string& key); const std::string &GetKey() const; using UpdateFunc = std::function; void SetUpdateFunc(const UpdateFunc& updateFunc); void SetUserId(int32_t userId); int32_t GetUserId() const; private: std::string key_; UpdateFunc updateFunc_; int32_t userId_ = INVALID_USER_ID; }; } // namespace OHOS::ArkUi::UiAppearance #endif // UI_APPEARANCE_UTILS_SETTING_DATA_OBSERVER_H