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1 /*
2  * Copyright (c) 2025-2025 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 SCREEN_POINTER_H
17 #define SCREEN_POINTER_H
18 
19 #include "screen_info.h"
20 #include "hardware_cursor_pointer_manager.h"
21 #include "window_info.h"
22 #include "pointer_renderer.h"
23 
24 namespace OHOS::MMI {
25 using hwcmgr_ptr_t = std::shared_ptr<HardwareCursorPointerManager>;
26 using handler_ptr_t = std::shared_ptr<OHOS::AppExecFwk::EventHandler>;
27 using buffer_ptr_t = sptr<OHOS::SurfaceBuffer>;
28 using screen_info_ptr_t = sptr<OHOS::Rosen::ScreenInfo>;
29 using mode_t = OHOS::Rosen::ScreenSourceMode;
30 using rotation_t = OHOS::Rosen::Rotation;
31 
32 uint32_t GetScreenInfoWidth(const screen_info_ptr_t);
33 uint32_t GetScreenInfoHeight(const screen_info_ptr_t);
34 
35 class ScreenPointer final {
36 public:
37     DISALLOW_COPY_AND_MOVE(ScreenPointer);
38     ScreenPointer(hwcmgr_ptr_t hwcmgr, handler_ptr_t handler, const DisplayInfo &di);
39     ScreenPointer(hwcmgr_ptr_t hwcmgr, handler_ptr_t handler, screen_info_ptr_t si);
40     ~ScreenPointer() = default;
41 
42     bool Init();
43     bool InitSurface();
44     void UpdateScreenInfo(screen_info_ptr_t si);
45     bool UpdatePadding(uint32_t mainWidth, uint32_t mainHeight);
46     void OnDisplayInfo(const DisplayInfo &di);
47 
48     buffer_ptr_t RequestBuffer();
49     buffer_ptr_t GetCurrentBuffer();
50 
51     bool Move(int32_t x, int32_t y, ICON_TYPE align);
52     bool MoveSoft(int32_t x, int32_t y, ICON_TYPE align);
53     void CalculatePositionForMirror(int32_t x, int32_t y, int32_t* px, int32_t* py);
54     bool SetInvisible();
55 
GetScreenId()56     uint32_t GetScreenId() const
57     {
58         return screenId_;
59     }
60 
GetScreenWidth()61     uint32_t GetScreenWidth() const
62     {
63         return width_;
64     }
65 
GetScreenHeight()66     uint32_t GetScreenHeight() const
67     {
68         return height_;
69     }
70 
GetSurfaceNode()71     std::shared_ptr<OHOS::Rosen::RSSurfaceNode> GetSurfaceNode()
72     {
73         return surfaceNode_;
74     }
75 
GetDPI()76     float GetDPI() const
77     {
78         return dpi_;
79     }
80 
GetScale()81     float GetScale() const
82     {
83         return scale_;
84     }
85 
IsMain()86     bool IsMain() const
87     {
88         return mode_ == mode_t::SCREEN_MAIN;
89     }
90 
IsMirror()91     bool IsMirror() const
92     {
93         return mode_ == mode_t::SCREEN_MIRROR;
94     }
95 
IsExtend()96     bool IsExtend() const
97     {
98         return mode_ == mode_t::SCREEN_EXTEND;
99     }
100 
GetIsCurrentOffScreenRendering()101     bool GetIsCurrentOffScreenRendering() const
102     {
103         return isCurrentOffScreenRendering_;
104     }
105 
GetOffRenderScale()106     float GetOffRenderScale() const
107     {
108         return offRenderScale_;
109     }
110 
GetScreenRealDPI()111     float GetScreenRealDPI() const
112     {
113         return screenRealDPI_;
114     }
115 
116     float GetRenderDPI() const;
117 
SetRotation(const rotation_t rotation)118     void SetRotation(const rotation_t rotation)
119     {
120         rotation_ = rotation;
121     }
122 
GetRotation()123     rotation_t GetRotation()
124     {
125         return rotation_;
126     }
127 
128 private:
129     bool InitSurfaceNode();
130     bool FlushSerfaceBuffer();
131     void Rotate(rotation_t rotation, int32_t& x, int32_t& y);
132     void CalculateHwcPositionForMirror(int32_t& x, int32_t& y);
133     void CalculateHwcPositionForExtend(int32_t& x, int32_t& y);
134 
135 private:
136     std::mutex mtx_;
137 
138     uint32_t screenId_{0};
139     uint32_t width_{0};
140     uint32_t height_{0};
141     mode_t mode_{mode_t::SCREEN_MAIN};
142     rotation_t rotation_{rotation_t::ROTATION_0};
143     float dpi_{1.0f};
144 
145     // screen scale and padding info
146     float scale_{1.0f};
147     int32_t paddingTop_{0};
148     int32_t paddingLeft_{0};
149 
150     hwcmgr_ptr_t hwcMgr_{nullptr};
151     handler_ptr_t handler_{nullptr};
152 
153     // RS Layer
154     std::shared_ptr<OHOS::Rosen::RSSurfaceNode> surfaceNode_{nullptr};
155     std::shared_ptr<OHOS::Rosen::RSCanvasNode> canvasNode_{nullptr};
156 
157     std::vector<buffer_ptr_t> buffers_;
158     uint32_t bufferId_ {0};
159 
160     // isCurrentOffScreenRendering
161     bool isCurrentOffScreenRendering_ = false;
162     float offRenderScale_{1.0f};
163     int32_t screenRealDPI_{1.0f};
164 };
165 
166 } // namespace OHOS::MMI
167 
168 #endif // SCREEN_POINTER_H