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 #include "core/components_ng/property/layout_policy_property.h" 24 25 namespace OHOS::Ace::NG { 26 27 class ACE_EXPORT CheckBoxLayoutAlgorithm : public BoxLayoutAlgorithm { 28 DECLARE_ACE_TYPE(CheckBoxLayoutAlgorithm, BoxLayoutAlgorithm); 29 30 public: 31 CheckBoxLayoutAlgorithm() = default; 32 33 ~CheckBoxLayoutAlgorithm() override = default; 34 OnReset()35 void OnReset() override {} 36 37 void Layout(LayoutWrapper* layoutWrapper) override; 38 39 std::optional<SizeF> MeasureContent( 40 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 41 42 void Measure(LayoutWrapper* layoutWrapper) override; 43 44 private: 45 float defaultWidth_ = 0.0f; 46 float defaultHeight_ = 0.0f; 47 float horizontalPadding_ = 0.0f; 48 float verticalPadding_ = 0.0f; 49 void InitializeParam(const RefPtr<FrameNode>& host); 50 std::optional<SizeF> LayoutPolicyIsMatchParent(const LayoutConstraintF& contentConstraint, 51 std::optional<NG::LayoutPolicyProperty> layoutPolicy, LayoutWrapper* layoutWrapper); 52 std::optional<NG::LayoutPolicyProperty> GetLayoutPolicy(LayoutWrapper* layoutWrapper); 53 54 ACE_DISALLOW_COPY_AND_MOVE(CheckBoxLayoutAlgorithm); 55 }; 56 } // namespace OHOS::Ace::NG 57 58 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_CHECKBOX_CHECKBOX_LAYOUT_ALGORITHM_H 59