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_SWITCH_SWITCH_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SWITCH_SWITCH_LAYOUT_ALGORITHM_H 18 19 #include "core/components_ng/base/ui_node.h" 20 #include "core/components_ng/layout/box_layout_algorithm.h" 21 #include "core/components_ng/layout/layout_wrapper.h" 22 23 namespace OHOS::Ace::NG { 24 class ACE_EXPORT SwitchLayoutAlgorithm : public BoxLayoutAlgorithm { 25 DECLARE_ACE_TYPE(SwitchLayoutAlgorithm, BoxLayoutAlgorithm); 26 27 public: 28 SwitchLayoutAlgorithm() = default; 29 30 ~SwitchLayoutAlgorithm() override = default; 31 32 std::optional<SizeF> MeasureContent( 33 const LayoutConstraintF& contentConstraint, LayoutWrapper* layoutWrapper) override; 34 35 void Measure(LayoutWrapper* layoutWrapper) override; 36 37 void CalcHeightAndWidth(float& height, float& width, float frameHeight, float frameWidth); 38 OnReset()39 void OnReset() override {} 40 GetHeight()41 float GetHeight() const 42 { 43 return height_; 44 } 45 GetWidth()46 float GetWidth() const 47 { 48 return width_; 49 } 50 51 private: 52 ACE_DISALLOW_COPY_AND_MOVE(SwitchLayoutAlgorithm); 53 float width_ = 0.0f; 54 float height_ = 0.0f; 55 }; 56 } // namespace OHOS::Ace::NG 57 58 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SWITCH_SWITCH_LAYOUT_ALGORITHM_H 59