1 /* 2 * Copyright (c) 2023 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_TEXT_AREA_TEXT_AREA_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_AREA_TEXT_AREA_PATTERN_H 18 19 #include "core/components_ng/pattern/text_field/text_field_layout_algorithm.h" 20 namespace OHOS::Ace::NG { 21 class TextAreaLayoutAlgorithm : public TextFieldLayoutAlgorithm { 22 DECLARE_ACE_TYPE(TextAreaLayoutAlgorithm, TextFieldLayoutAlgorithm); 23 24 public: 25 TextAreaLayoutAlgorithm() = default; 26 ~TextAreaLayoutAlgorithm() override = default; 27 28 void Measure(LayoutWrapper* layoutWrapper) override; 29 void ConstraintHeight(LayoutWrapper* layoutWrapper, OptionalSizeF& frameSize, 30 float contentHeight); 31 std::optional<SizeF> MeasureContent( 32 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 33 void Layout(LayoutWrapper* layoutWrapper) override; 34 protected: 35 bool CreateParagraphEx(const TextStyle& textStyle, const std::u16string& content, 36 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 37 }; 38 } // namespace OHOS::Ace::NG 39 40 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TEXT_AREA_TEXT_AREA_PATTERN_H 41