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_STACK_STACK_MODEL_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STACK_STACK_MODEL_H 18 19 #include <memory> 20 #include <optional> 21 #include <string> 22 23 #include "base/geometry/dimension.h" 24 #include "base/utils/macros.h" 25 #include "core/components/common/layout/align_declaration.h" 26 #include "core/components/common/layout/constants.h" 27 #include "core/components/common/properties/alignment.h" 28 29 namespace OHOS::Ace { 30 31 class ACE_EXPORT StackModel { 32 public: 33 static StackModel* GetInstance(); 34 virtual ~StackModel() = default; 35 36 virtual void Create(Alignment align) = 0; 37 virtual void SetStackFit(StackFit fit) = 0; 38 virtual void SetOverflow(Overflow overflow) = 0; 39 virtual void SetAlignment(Alignment align) = 0; 40 virtual void SetHasHeight() = 0; 41 virtual void SetHasWidth() = 0; 42 43 private: 44 static std::unique_ptr<StackModel> instance_; 45 }; 46 47 } // namespace OHOS::Ace 48 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STACK_STACK_MODEL_H 49