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