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_BUTTON_BUTTON_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_BUTTON_BUTTON_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 ButtonLayoutAlgorithm : public BoxLayoutAlgorithm { 25 DECLARE_ACE_TYPE(ButtonLayoutAlgorithm, BoxLayoutAlgorithm); 26 27 public: 28 ButtonLayoutAlgorithm() = default; 29 30 ~ButtonLayoutAlgorithm() override = default; 31 32 void Measure(LayoutWrapper* layoutWrapper) override; OnReset()33 void OnReset() override {} 34 35 private: 36 std::optional<SizeF> HandleLabelCircleButtonConstraint(LayoutWrapper* layoutWrapper); 37 void PerformMeasureSelf(LayoutWrapper* layoutWrapper); 38 void HandleLabelCircleButtonFrameSize(const LayoutConstraintF& layoutConstraint, SizeF& frameSize); 39 void MeasureCircleButton(LayoutWrapper* layoutWrapper); 40 41 SizeF childSize_; 42 bool isNeedToSetDefaultHeight_ = false; 43 44 ACE_DISALLOW_COPY_AND_MOVE(ButtonLayoutAlgorithm); 45 }; 46 } // namespace OHOS::Ace::NG 47 48 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_BUTTON_BUTTON_LAYOUT_ALGORITHM_H 49