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_FLEX_FLEX_MODEL_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_FLEX_FLEX_MODEL_H 18 19 #include <memory> 20 #include <mutex> 21 #include <vector> 22 23 #include "base/utils/macros.h" 24 #include "core/components/common/layout/constants.h" 25 #include "frameworks/base/geometry/dimension.h" 26 27 namespace OHOS::Ace { 28 29 const std::vector<WrapAlignment> WRAP_TABLE = { 30 WrapAlignment::START, 31 WrapAlignment::START, 32 WrapAlignment::CENTER, 33 WrapAlignment::END, 34 WrapAlignment::STRETCH, 35 WrapAlignment::BASELINE, 36 WrapAlignment::SPACE_BETWEEN, 37 WrapAlignment::SPACE_AROUND, 38 WrapAlignment::SPACE_EVENLY, 39 }; 40 41 constexpr int32_t MAIN_ALIGN_MAX_VALUE = 8; 42 constexpr int32_t CROSS_ALIGN_MAX_VALUE = 5; 43 constexpr int32_t DIRECTION_MAX_VALUE = 3; 44 45 class ACE_FORCE_EXPORT FlexModel { 46 public: 47 static FlexModel* GetInstance(); 48 virtual ~FlexModel() = default; 49 50 virtual void CreateFlexRow() = 0; 51 52 virtual void CreateWrap() = 0; 53 54 virtual void SetDirection(FlexDirection direction) = 0; 55 virtual void SetWrapDirection(WrapDirection direction) = 0; 56 57 virtual void SetMainAxisAlign(FlexAlign flexAlign) = 0; 58 virtual void SetWrapMainAlignment(WrapAlignment value) = 0; 59 60 virtual void SetCrossAxisAlign(FlexAlign flexAlign) = 0; 61 virtual void SetWrapCrossAlignment(WrapAlignment value) = 0; 62 63 virtual void SetAlignItems(int32_t value) = 0; 64 virtual void SetWrapAlignment(WrapAlignment value) = 0; 65 66 virtual void SetHasHeight() = 0; 67 virtual void SetHasWidth() = 0; 68 virtual void SetFlexWidth() = 0; 69 virtual void SetFlexHeight() = 0; 70 71 virtual void SetJustifyContent(int32_t value) = 0; 72 73 virtual void SetAlignContent(int32_t value) = 0; 74 virtual void SetMainSpace(const std::optional<Dimension>& space) = 0; 75 virtual void SetCrossSpace(const std::optional<Dimension>& space) = 0; 76 77 private: 78 static std::unique_ptr<FlexModel> instance_; 79 static std::mutex mutex_; 80 }; 81 82 } // namespace OHOS::Ace 83 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_FLEX_FLEX_MODEL_H 84