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_TABS_TABS_LAYOUT_ALGORITHM_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TABS_TABS_LAYOUT_ALGORITHM_H
18 
19 #include "core/components_ng/layout/layout_algorithm.h"
20 
21 namespace OHOS::Ace::NG {
22 
23 class ACE_EXPORT StepperLayoutAlgorithm : public LayoutAlgorithm {
24     DECLARE_ACE_TYPE(StepperLayoutAlgorithm, LayoutAlgorithm);
25 
26 public:
StepperLayoutAlgorithm(bool layoutLeftButton)27     explicit StepperLayoutAlgorithm(bool layoutLeftButton) : layoutLeftButton_(layoutLeftButton) {};
28     ~StepperLayoutAlgorithm() override = default;
29 
30     void Measure(LayoutWrapper* layoutWrapper) override;
31     void Layout(LayoutWrapper* layoutWrapper) override;
32 
33 private:
34     void MeasureSwiper(LayoutWrapper* layoutWrapper, LayoutConstraintF swiperLayoutConstraint, float rightButtonHeight,
35         float leftButtonHeight);
36     void MeasureLeftButton(LayoutWrapper* layoutWrapper, LayoutConstraintF buttonLayoutConstraint);
37     void MeasureRightButton(LayoutWrapper* layoutWrapper, LayoutConstraintF buttonLayoutConstraint);
38     void MeasureText(
39         const RefPtr<LayoutWrapper>& layoutWrapper, const LayoutConstraintF& buttonLayoutConstraint, bool isLeft);
40     static LayoutConstraintF CreateButtonLayoutConstraint(const LayoutConstraintF& childLayoutConstraint, bool isLeft);
41     void LayoutSwiper(LayoutWrapper* layoutWrapper);
42     void LayoutLeftButton(LayoutWrapper* layoutWrapper);
43     void LayoutRightButton(LayoutWrapper* layoutWrapper);
44     float CaluateButtonHeight(LayoutWrapper* layoutWrapper, bool isRight);
45     void SuitAgeLayoutButton(
46         LayoutWrapper* layoutWrapper, float rightButtonHeight, float leftButtonHeight, bool isRight);
47     bool layoutLeftButton_ = true;
48     bool isLoadingButton_ = false;
49     ACE_DISALLOW_COPY_AND_MOVE(StepperLayoutAlgorithm);
50 };
51 
52 } // namespace OHOS::Ace::NG
53 
54 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_TABS_TABS_LAYOUT_ALGORITHM_H
55