1 /*
2  * Copyright (c) 2021 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_PICKER_RENDER_PICKER_COLUMN_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_PICKER_RENDER_PICKER_COLUMN_H
18 
19 #include "core/animation/animator.h"
20 #include "core/animation/curve_animation.h"
21 #include "core/common/vibrator/vibrator_proxy.h"
22 #include "core/components/clip/render_clip.h"
23 #include "core/components/display/render_display.h"
24 #include "core/components/flex/render_flex.h"
25 #include "core/components/picker/picker_column_component.h"
26 #include "core/components/picker/render_picker_option.h"
27 #include "core/components/scroll/render_scroll.h"
28 #include "core/gestures/drag_recognizer.h"
29 #include "core/pipeline/base/render_node.h"
30 
31 namespace OHOS::Ace {
32 
33 class RenderPickerColumn : public RenderNode {
34     DECLARE_ACE_TYPE(RenderPickerColumn, RenderNode);
35 
36 public:
37     static RefPtr<RenderNode> Create();
38 
39     void Update(const RefPtr<Component>& component) override;
40     void PerformLayout() override;
41 
IsUseOnly()42     bool IsUseOnly() override
43     {
44         return true;
45     }
46 
UpdateOffset(double value)47     void UpdateOffset(double value)
48     {
49         xOffset_ = value;
50         MarkNeedLayout();
51     }
52 
GetXOffset()53     double GetXOffset() const
54     {
55         return xOffset_;
56     }
57 
UpdateColumnOpacity(double value)58     void UpdateColumnOpacity(double value)
59     {
60         if (display_) {
61             display_->UpdateOpacity(static_cast<uint8_t>(value));
62         }
63     }
64 
65     bool RotationTest(const RotationEvent& event) override;
66 
67     bool HandleScroll(bool isDown);
68     bool HandleFinished(bool success);
69     void HandleFocus(bool focus);
70 
71     std::string GetColumnTag() const;
72 
73     uint32_t GetWidthRatio() const;
74 
75     void FlushCurrentOptions();
76 
77     void UpdateRenders();
78 
SetAdjustHeight(double value)79     void SetAdjustHeight(double value)
80     {
81         adjustHeight_ = value;
82     }
83 
OnPaintFinish()84     void OnPaintFinish() override
85     {
86         UpdateAccessibility();
87     }
88 
GetFlexColumn()89     const RefPtr<RenderFlex>& GetFlexColumn() const
90     {
91         return column_;
92     }
93 
94     void UpdateToss(double y);
95 
96     void TossStoped();
97 
GetInnerColumnGlobalOffset()98     Offset GetInnerColumnGlobalOffset() const
99     {
100         if (!column_) {
101             return Offset();
102         }
103         return column_->GetGlobalOffset();
104     }
105 
IsFocused()106     bool IsFocused() const
107     {
108         return focused_;
109     }
110 
GetOptions()111     const std::vector<RefPtr<RenderPickerOption>>& GetOptions() const
112     {
113         return options_;
114     }
115 
116 protected:
117     void OnTouchTestHit(
118         const Offset& coordinateOffset, const TouchRestrict& touchRestrict, TouchTestResult& result) override;
119 
120 private:
121     void HandleDragStart(const GestureEvent& event);
122     void HandleDragMove(const GestureEvent& event);
123     void HandleDragEnd();
124     void GetRenders(const RefPtr<RenderNode>& render);
125     void GetRenders();
126     void ClearRenders();
127     void ScrollOption(double delta);
128 
129     void CreateAnimation();
130     RefPtr<CurveAnimation<double>> CreateAnimation(double from, double to);
131     void HandleCurveStopped();
132     bool InnerHandleScroll(bool isDown);
133 
134     void LayoutSplitter();
135 
136     void UpdateAccessibility();
137 
138     bool NotLoopOptions() const;
139     bool CanMove(bool isDown) const;
140 
141     void UpdatePositionY(double y);
142 
143     RefPtr<RenderClip> clip_;
144     RefPtr<RenderFlex> column_;
145     RefPtr<RenderDisplay> display_;
146     RefPtr<RenderText> splitter_;
147     std::vector<RefPtr<RenderPickerOption>> options_;
148 
149     RefPtr<PickerColumnComponent> data_;
150 
151     bool focused_ = false;
152     double rotateAngle_ = 0.0;
153     double rotateInterval_ = 0.0;
154 
155     bool nodeHandlerSetted_ = false;
156 
157     RefPtr<RawRecognizer> rawRecognizer_;
158     RefPtr<VerticalDragRecognizer> dragRecognizer_;
159     RefPtr<PanRecognizer> panRecognizer_;
160     double xOffset_ = 0.0;
161     double yOffset_ = 0.0;
162     double yLast_ = 0.0;
163     bool pressed_ = false;
164     Dimension jumpInterval_;
165     Dimension columnMargin_;
166 
167     double adjustHeight_ = 0.0;
168     double scrollDelta_ = 0.0;
169     bool animationCreated_ = false;
170     RefPtr<Animator> toController_;
171     RefPtr<Animator> fromController_;
172     RefPtr<CurveAnimation<double>> toBottomCurve_;
173     RefPtr<CurveAnimation<double>> toTopCurve_;
174     RefPtr<CurveAnimation<double>> fromBottomCurve_;
175     RefPtr<CurveAnimation<double>> fromTopCurve_;
176 
177     RefPtr<Vibrator> vibrator_;
178     bool needVibrate_ = true;
179 };
180 
181 } // namespace OHOS::Ace
182 
183 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_PICKER_RENDER_PICKER_COLUMN_H
184