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_MODEL_MODEL_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_MODEL_MODEL_LAYOUT_ALGORITHM_H 18 19 #include "core/components_ng/layout/box_layout_algorithm.h" 20 #include "core/components_ng/layout/layout_wrapper.h" 21 #include "core/components_ng/pattern/model/model_adapter_wrapper.h" 22 23 namespace OHOS::Ace::NG { 24 25 class ACE_EXPORT ModelLayoutAlgorithm : public BoxLayoutAlgorithm { 26 DECLARE_ACE_TYPE(ModelLayoutAlgorithm, BoxLayoutAlgorithm); 27 28 public: 29 ModelLayoutAlgorithm(const WeakPtr<ModelAdapterWrapper>& adapter); 30 ~ModelLayoutAlgorithm() override = default; 31 32 std::optional<SizeF> MeasureContent( 33 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 34 35 private: 36 WeakPtr<ModelAdapterWrapper> modelAdapter_; 37 ACE_DISALLOW_COPY_AND_MOVE(ModelLayoutAlgorithm); 38 }; 39 } // namespace OHOS::Ace::NG 40 41 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_MODEL_MODEL_LAYOUT_ALGORITHM_H 42