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_PATTERN_GRID_GRID_ITEM_MODEL_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_GRID_GRID_ITEM_MODEL_H 18 19 #include <functional> 20 #include <memory> 21 #include <mutex> 22 23 namespace OHOS::Ace { 24 25 class GridItemModel { 26 public: 27 static GridItemModel* GetInstance(); 28 virtual ~GridItemModel() = default; 29 30 virtual void Create() = 0; 31 virtual void Create(std::function<void(int32_t)>&& deepRenderFunc, bool isLazy) = 0; 32 virtual void SetRowStart(int32_t value) = 0; 33 virtual void SetRowEnd(int32_t value) = 0; 34 virtual void SetColumnStart(int32_t value) = 0; 35 virtual void SetColumnEnd(int32_t value) = 0; 36 virtual void SetForceRebuild(bool value) = 0; 37 virtual void SetSelectable(bool value) = 0; 38 virtual void SetSelected(bool selected) = 0; 39 virtual void SetSelectChangeEvent(std::function<void(bool)>&& changeEvent) = 0; 40 virtual void SetOnSelect(std::function<void(bool)>&& onSelect) = 0; 41 42 private: 43 static std::unique_ptr<GridItemModel> instance_; 44 static std::mutex mutex_; 45 }; 46 47 } // namespace OHOS::Ace 48 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_GRID_GRID_ITEM_MODEL_H 49