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_DATE_PICKER_DATE_PICKER_COLUMN_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_DATE_PICKER_DATE_PICKER_COLUMN_LAYOUT_ALGORITHM_H 18 19 #include "core/components/picker/picker_theme.h" 20 #include "core/components_ng/base/ui_node.h" 21 #include "core/components_ng/layout/layout_wrapper.h" 22 #include "core/components_ng/pattern/linear_layout/linear_layout_algorithm.h" 23 24 namespace OHOS::Ace::NG { 25 26 class ACE_EXPORT DatePickerColumnLayoutAlgorithm : public LinearLayoutAlgorithm { 27 DECLARE_ACE_TYPE(DatePickerColumnLayoutAlgorithm, LinearLayoutAlgorithm); 28 29 public: 30 DatePickerColumnLayoutAlgorithm() = default; 31 ~DatePickerColumnLayoutAlgorithm() override = default; 32 OnReset()33 void OnReset() override {} 34 35 void Measure(LayoutWrapper* layoutWrapper) override; 36 void Layout(LayoutWrapper* layoutWrapper) override; 37 void MeasureText(LayoutWrapper* layoutWrapper, const SizeF& size); 38 void ChangeTextStyle(uint32_t index, uint32_t showOptionCount, const SizeF& size, 39 const RefPtr<LayoutWrapper>& childLayoutWrapper, LayoutWrapper* layoutWrapper); 40 GetCurrentOffset()41 std::vector<int32_t> GetCurrentOffset() const 42 { 43 return currentOffset_; 44 } 45 SetCurrentOffset(const std::vector<int32_t> & currentOffset)46 void SetCurrentOffset(const std::vector<int32_t>& currentOffset) 47 { 48 currentOffset_ = currentOffset; 49 } 50 51 private: 52 void InitGradient(const float& gradientPercent, const RefPtr<FrameNode> blendNode, 53 const RefPtr<FrameNode> columnNode); 54 const Dimension AdjustFontSizeScale(const Dimension& fontSizeValue, double fontScale); 55 bool NeedAdaptForAging(); 56 float ReCalcItemHeightScale(const Dimension& userSetHeight, bool isDividerSpacing = true); 57 void MeasureText(LayoutWrapper* layoutWrapper, const RefPtr<PickerTheme>& pickerTheme, const SizeF& size); 58 59 float pickerItemHeight_ = 0.0f; 60 float dividerSpacingFontScale_ = 1.0f; 61 float gradientFontScale_ = 1.0f; 62 std::vector<int32_t> currentOffset_; 63 64 ACE_DISALLOW_COPY_AND_MOVE(DatePickerColumnLayoutAlgorithm); 65 }; 66 } // namespace OHOS::Ace::NG 67 68 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_DATE_PICKER_DATE_PICKER_COLUMN_LAYOUT_ALGORITHM_H 69