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1 /*
2  * Copyright (c) 2023 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 TOUCH_DRAWING_MANAGER_H
17 #define TOUCH_DRAWING_MANAGER_H
18 
19 #include "draw/canvas.h"
20 #include "nocopyable.h"
21 #include "singleton.h"
22 #include "transaction/rs_transaction.h"
23 #include "ui/rs_canvas_node.h"
24 #include "ui/rs_surface_node.h"
25 #include "utils/rect.h"
26 
27 #ifndef USE_ROSEN_DRAWING
28 #include "pipeline/rs_recording_canvas.h"
29 #else
30 #include "recording/recording_canvas.h"
31 #include "ui/rs_canvas_drawing_node.h"
32 #endif // USE_ROSEN_DRAWING
33 
34 #include "pointer_event.h"
35 #include "window_info.h"
36 
37 namespace OHOS {
38 namespace MMI {
39 class DelegateInterface;
40 class TouchDrawingManager {
41 private:
42 struct Bubble {
43     int32_t innerCircleRadius { 0 };
44     int32_t outerCircleRadius { 0 };
45     float outerCircleWidth { 0 };
46 };
47 struct DevMode {
48     std::string SwitchName;
49     bool isShow { false };
50 };
51 #ifndef USE_ROSEN_DRAWING
52     using RosenCanvas = Rosen::RSRecordingCanvas;
53 #else
54     using RosenCanvas = Rosen::Drawing::RecordingCanvas;
55 #endif
56 
57     DECLARE_DELAYED_SINGLETON(TouchDrawingManager);
58 public:
59     DISALLOW_COPY_AND_MOVE(TouchDrawingManager);
60     void TouchDrawHandler(std::shared_ptr<PointerEvent> pointerEvent);
61     int32_t UpdateLabels();
62     void UpdateDisplayInfo(const DisplayInfo& displayInfo);
63     void GetOriginalTouchScreenCoordinates(Direction direction, int32_t width, int32_t height,
64         int32_t &physicalX, int32_t &physicalY);
65     int32_t UpdateBubbleData();
66     void RotationScreen();
67     void Dump(int32_t fd, const std::vector<std::string> &args);
68     bool IsWindowRotation();
SetDelegateProxy(std::shared_ptr<DelegateInterface> proxy)69     void SetDelegateProxy(std::shared_ptr<DelegateInterface> proxy)
70     {
71         delegateProxy_ = proxy;
72     }
73     std::pair<int32_t, int32_t> CalcDrawCoordinate(const DisplayInfo& displayInfo,
74         PointerEvent::PointerItem pointerItem);
SetMultiWindowScreenId(uint64_t screenId,uint64_t displayNodeScreenId)75     void SetMultiWindowScreenId(uint64_t screenId, uint64_t displayNodeScreenId)
76     {
77         windowScreenId_ = screenId;
78         displayNodeScreenId_ = displayNodeScreenId;
79     };
80 
81 private:
82     void CreateObserver();
83     void AddCanvasNode(std::shared_ptr<Rosen::RSCanvasNode>& canvasNode, bool isTrackerNode,
84         bool isNeedRotate = true);
85     void RotationCanvasNode(std::shared_ptr<Rosen::RSCanvasNode> canvasNode);
86     void ResetCanvasNode(std::shared_ptr<Rosen::RSCanvasNode> canvasNode);
87     void RotationCanvas(RosenCanvas *canvas, Direction direction);
88     void CreateTouchWindow();
89     void DestoryTouchWindow();
90     void DrawBubbleHandler();
91     void DrawBubble();
92     void DrawPointerPositionHandler();
93     void DrawTracker(int32_t x, int32_t y, int32_t pointerId);
94     void DrawCrosshairs(RosenCanvas *canvas, int32_t x, int32_t y);
95     void DrawLabels();
96     void DrawRectItem(RosenCanvas* canvas, const std::string &text,
97         Rosen::Drawing::Rect &rect, const Rosen::Drawing::Color &color);
98     void UpdatePointerPosition();
99     void RecordLabelsInfo();
100     void UpdateLastPointerItem(PointerEvent::PointerItem &pointerItem);
101     void RemovePointerPosition();
102     void ClearTracker();
103     void InitLabels();
104     template <class T>
105     void CreateBubbleObserver(T& item);
106     template <class T>
107     void CreatePointerObserver(T& item);
108     template <class T>
109     std::string FormatNumber(T number, int32_t precision);
110     bool IsValidAction(const int32_t action);
111     void Snapshot();
112 private:
113     std::shared_ptr<Rosen::RSSurfaceNode> surfaceNode_ { nullptr };
114     std::shared_ptr<Rosen::RSCanvasNode> bubbleCanvasNode_ { nullptr };
115     std::shared_ptr<Rosen::RSCanvasNode> trackerCanvasNode_ { nullptr };
116     std::shared_ptr<Rosen::RSCanvasNode> crosshairCanvasNode_ { nullptr };
117     std::shared_ptr<Rosen::RSCanvasNode> labelsCanvasNode_ { nullptr };
118     DisplayInfo displayInfo_ {};
119     Bubble bubble_;
120     Rosen::Drawing::Point firstPt_;
121     Rosen::Drawing::Point currentPt_;
122     Rosen::Drawing::Point lastPt_;
123     DevMode bubbleMode_;
124     DevMode pointerMode_;
125     int32_t currentPointerId_ { 0 };
126     int32_t maxPointerCount_ { 0 };
127     int32_t currentPointerCount_ { 0 };
128     int32_t rectTopPosition_ { 0 };
129     int32_t scaleW_ { 0 };
130     int32_t scaleH_ { 0 };
131     int64_t lastActionTime_ { 0 };
132     uint64_t screenId_ { -1 };
133     double xVelocity_ { 0.0 };
134     double yVelocity_ { 0.0 };
135     double pressure_ { 0.0 };
136     double itemRectW_ { 0.0 };
137     bool hasBubbleObserver_{ false };
138     bool hasPointerObserver_{ false };
139     bool isFirstDownAction_ { false };
140     bool isDownAction_ { false };
141     bool isFirstDraw_ { true };
142     bool isChangedRotation_ { false };
143     bool isChangedMode_ { false };
144     bool stopRecord_ { false };
145     std::shared_ptr<PointerEvent> pointerEvent_ { nullptr };
146     std::shared_ptr<DelegateInterface> delegateProxy_ {nullptr};
147     std::list<PointerEvent::PointerItem> lastPointerItem_ { };
148     std::mutex mutex_;
149     uint64_t windowScreenId_;
150     uint64_t displayNodeScreenId_;
151 };
152 #define TOUCH_DRAWING_MGR ::OHOS::DelayedSingleton<TouchDrawingManager>::GetInstance()
153 } // namespace MMI
154 } // namespace OHOS
155 #endif // TOUCH_DRAWING_MANAGER_H
156