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 "base/memory/referenced.h"
20 #include "core/components_ng/base/ui_node.h"
21 #include "core/components_ng/layout/box_layout_algorithm.h"
22 #include "core/components_ng/layout/layout_wrapper.h"
23 #include "core/components_ng/pattern/button/button_layout_property.h"
24 
25 namespace OHOS::Ace::NG {
26 class ACE_EXPORT ButtonLayoutAlgorithm : public BoxLayoutAlgorithm {
27     DECLARE_ACE_TYPE(ButtonLayoutAlgorithm, BoxLayoutAlgorithm);
28 
29 public:
30     ButtonLayoutAlgorithm() = default;
31 
32     ~ButtonLayoutAlgorithm() override = default;
33 
34     void Measure(LayoutWrapper* layoutWrapper) override;
OnReset()35     void OnReset() override {}
36 
37 private:
38     void HandleAdaptiveText(LayoutWrapper* layoutWrapper, LayoutConstraintF& layoutConstraint);
39     void PerformMeasureSelf(LayoutWrapper* layoutWrapper);
40     void MarkNeedFlushMouseEvent(LayoutWrapper* layoutWrapper);
41     bool NeedAgingMeasure(LayoutWrapper* layoutWrapper);
42     static bool IsAging(LayoutWrapper* layoutWrapper);
43     static void HandleChildLayoutConstraint(LayoutWrapper* layoutWrapper, LayoutConstraintF& layoutConstraint);
44     static std::optional<SizeF> HandleLabelCircleButtonConstraint(LayoutWrapper* layoutWrapper);
45     static void HandleBorderRadius(LayoutWrapper* layoutWrapper);
46     static void HandleLabelCircleButtonFrameSize(
47         const LayoutConstraintF& layoutConstraint, SizeF& frameSize, const float& defaultHeight);
48     static void MeasureCircleButton(LayoutWrapper* layoutWrapper);
49     static Dimension GetFirstValidRadius(const BorderRadiusProperty& borderRadius);
50     static float GetDefaultHeight(LayoutWrapper* layoutWrapper);
51     SizeF childSize_;
52 
53     ACE_DISALLOW_COPY_AND_MOVE(ButtonLayoutAlgorithm);
54 };
55 } // namespace OHOS::Ace::NG
56 
57 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_BUTTON_BUTTON_LAYOUT_ALGORITHM_H
58