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_XCOMPONENT_XCOMPONENT_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_XCOMPONENT_XCOMPONENT_LAYOUT_ALGORITHM_H 18 19 #include <string> 20 21 #include "core/components_ng/layout/box_layout_algorithm.h" 22 #include "core/components_ng/layout/layout_wrapper.h" 23 #include "core/components_ng/pattern/xcomponent/xcomponent_layout_property.h" 24 25 namespace OHOS::Ace::NG { 26 class PipelineContext; 27 28 class ACE_EXPORT XComponentLayoutAlgorithm : public BoxLayoutAlgorithm { 29 DECLARE_ACE_TYPE(XComponentLayoutAlgorithm, BoxLayoutAlgorithm); 30 31 public: 32 XComponentLayoutAlgorithm() = default; 33 34 ~XComponentLayoutAlgorithm() override = default; 35 36 std::optional<SizeF> MeasureContent( 37 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 38 39 void Measure(LayoutWrapper* layoutWrapper) override; 40 41 void Layout(LayoutWrapper* layoutWrapper) override; 42 43 private: 44 ACE_DISALLOW_COPY_AND_MOVE(XComponentLayoutAlgorithm); 45 }; 46 } // namespace OHOS::Ace::NG 47 48 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_XCOMPONENT_XCOMPONENT_LAYOUT_ALGORITHM_H 49