1 /*
2 * Copyright (c) 2021-2024 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 #include "virtual_touch_screen.h"
17
18 namespace OHOS {
19 namespace MMI {
20 namespace {
21 constexpr int32_t ABS_MAX_PRESSURE = 100;
22 constexpr int32_t ABS_MT_MIN_ORIENTATION = -90;
23 constexpr int32_t ABS_MT_MAX_ORIENTATION = 90;
24 constexpr int32_t ABS_MT_BLOB_MAX_ID = 10;
25 constexpr int32_t ABS_MT_TRACKING_MAX_ID = 9;
26 constexpr int32_t ABS_MT_MAX_PRESSURE = 100;
27 } // namespace
28
GetEventTypes() const29 const std::vector<uint32_t> &VirtualTouchScreen::GetEventTypes() const
30 {
31 static const std::vector<uint32_t> evtTypes {EV_ABS, EV_KEY, EV_SYN};
32 return evtTypes;
33 }
34
GetKeys() const35 const std::vector<uint32_t> &VirtualTouchScreen::GetKeys() const
36 {
37 static const std::vector<uint32_t> keys {BTN_TOUCH};
38 return keys;
39 }
40
GetProperties() const41 const std::vector<uint32_t> &VirtualTouchScreen::GetProperties() const
42 {
43 static const std::vector<uint32_t> properties {INPUT_PROP_DIRECT};
44 return properties;
45 }
46
GetAbs() const47 const std::vector<uint32_t> &VirtualTouchScreen::GetAbs() const
48 {
49 static const std::vector<uint32_t> abs {
50 ABS_X,
51 ABS_Y,
52 ABS_PRESSURE,
53 ABS_MT_TOUCH_MAJOR,
54 ABS_MT_TOUCH_MINOR,
55 ABS_MT_ORIENTATION,
56 ABS_MT_POSITION_X,
57 ABS_MT_POSITION_Y,
58 ABS_MT_BLOB_ID,
59 ABS_MT_TRACKING_ID,
60 ABS_MT_PRESSURE
61 };
62 return abs;
63 }
64
VirtualTouchScreen(const uint32_t maxX,const uint32_t maxY)65 VirtualTouchScreen::VirtualTouchScreen(const uint32_t maxX, const uint32_t maxY)
66 : VirtualDevice("VSoC touchscreen", 0x6006)
67 {
68 dev_.absmin[ABS_X] = 0;
69 dev_.absmax[ABS_X] = maxX;
70 dev_.absmin[ABS_Y] = 0;
71 dev_.absmax[ABS_Y] = maxY;
72
73 dev_.absmin[ABS_PRESSURE] = 0;
74 dev_.absmax[ABS_PRESSURE] = ABS_MAX_PRESSURE;
75
76 dev_.absmin[ABS_MT_TOUCH_MAJOR] = 0;
77 dev_.absmax[ABS_MT_TOUCH_MAJOR] = 1;
78 dev_.absmin[ABS_MT_TOUCH_MINOR] = 0;
79 dev_.absmax[ABS_MT_TOUCH_MINOR] = 1;
80
81 dev_.absmin[ABS_MT_ORIENTATION] = ABS_MT_MIN_ORIENTATION;
82 dev_.absmax[ABS_MT_ORIENTATION] = ABS_MT_MAX_ORIENTATION;
83
84 dev_.absmin[ABS_MT_POSITION_X] = 0;
85 dev_.absmax[ABS_MT_POSITION_X] = maxX;
86 dev_.absmin[ABS_MT_POSITION_Y] = 0;
87 dev_.absmax[ABS_MT_POSITION_Y] = maxY;
88
89 dev_.absmin[ABS_MT_BLOB_ID] = 0;
90 dev_.absmax[ABS_MT_BLOB_ID] = ABS_MT_BLOB_MAX_ID;
91 dev_.absmin[ABS_MT_TRACKING_ID] = 0;
92 dev_.absmax[ABS_MT_TRACKING_ID] = ABS_MT_TRACKING_MAX_ID;
93 dev_.absmin[ABS_MT_PRESSURE] = 0;
94 dev_.absmax[ABS_MT_PRESSURE] = ABS_MT_MAX_PRESSURE;
95 }
96 } // namespace MMI
97 } // namespace OHOS
98