1 /* 2 * Copyright (c) 2022 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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STEPPER_STEPPER_MODEL_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STEPPER_STEPPER_MODEL_H 18 19 #include <functional> 20 #include <memory> 21 22 #include "base/utils/macros.h" 23 24 namespace OHOS::Ace { 25 26 class ACE_EXPORT StepperModel { 27 public: 28 using RoutineCallbackEvent = std::function<void()>; 29 using IndexCallbackEvent = std::function<void(int32_t, int32_t)>; 30 31 static StepperModel* GetInstance(); 32 virtual ~StepperModel() = default; 33 34 virtual void Create(uint32_t index) = 0; 35 virtual void SetOnFinish(RoutineCallbackEvent&& eventOnFinish) = 0; 36 virtual void SetOnSkip(RoutineCallbackEvent&& eventOnSkip) = 0; 37 virtual void SetOnChange(IndexCallbackEvent&& eventOnChange) = 0; 38 virtual void SetOnNext(IndexCallbackEvent&& eventOnNext) = 0; 39 virtual void SetOnPrevious(IndexCallbackEvent&& eventOnPrevious) = 0; 40 41 private: 42 static std::unique_ptr<StepperModel> instance_; 43 }; 44 45 } // namespace OHOS::Ace 46 47 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STEPPER_STEPPER_MODEL_H