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_CHECKBOX_CHECKBOX_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_CHECKBOX_CHECKBOX_LAYOUT_ALGORITHM_H 18 19 #include "base/geometry/axis.h" 20 #include "base/memory/referenced.h" 21 #include "core/components_ng/layout/layout_algorithm.h" 22 #include "core/components_ng/layout/layout_wrapper.h" 23 24 namespace OHOS::Ace::NG { 25 26 class ACE_EXPORT CheckBoxLayoutAlgorithm : public BoxLayoutAlgorithm { 27 DECLARE_ACE_TYPE(CheckBoxLayoutAlgorithm, BoxLayoutAlgorithm); 28 29 public: 30 CheckBoxLayoutAlgorithm() = default; 31 32 ~CheckBoxLayoutAlgorithm() override = default; 33 OnReset()34 void OnReset() override {} 35 36 void Layout(LayoutWrapper* layoutWrapper) override; 37 38 std::optional<SizeF> MeasureContent( 39 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 40 41 void Measure(LayoutWrapper* layoutWrapper) override; 42 43 private: 44 float defaultWidth_ = 0.0f; 45 float defaultHeight_ = 0.0f; 46 float horizontalPadding_ = 0.0f; 47 float verticalPadding_ = 0.0f; 48 void InitializeParam(); 49 50 ACE_DISALLOW_COPY_AND_MOVE(CheckBoxLayoutAlgorithm); 51 }; 52 } // namespace OHOS::Ace::NG 53 54 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_CHECKBOX_CHECKBOX_LAYOUT_ALGORITHM_H 55