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 #include <cstdio>
17 #include "gfx_utils/graphic_log.h"
18 #include "graphic_config.h"
19 #include "input_dev.h"
20
21 namespace OHOS {
22 constexpr const uint8_t INPUT_DEV_ID = 2;
23 constexpr const uint32_t MESSAGE_QUEUE_SIZE = 8;
24
GetInstance()25 InputDev *InputDev::GetInstance()
26 {
27 static InputDev instance;
28 if (!instance.init) {
29 uint32_t ret = GetInputInterface(&instance.inputInterface);
30 if (ret != INPUT_SUCCESS) {
31 GRAPHIC_LOGE("Get input interfaces failed");
32 return nullptr;
33 }
34
35 ret = instance.inputInterface->iInputManager->OpenInputDevice(INPUT_DEV_ID);
36 if (ret != INPUT_SUCCESS) {
37 GRAPHIC_LOGE("Open input device failed");
38 return nullptr;
39 }
40
41 instance.inputEventCb.EventPkgCallback = ReportEventPkgCallback;
42 ret = instance.inputInterface->iInputReporter->RegisterReportCallback(INPUT_DEV_ID, &instance.inputEventCb);
43 if (ret != INPUT_SUCCESS) {
44 GRAPHIC_LOGE("Register input device report callback failed");
45 return nullptr;
46 }
47
48 instance.init = true;
49 }
50 return &instance;
51 }
52
ReportEventPkgCallback(const InputEventPackage **pkgs, uint32_t count, uint32_t devIndex)53 void InputDev::ReportEventPkgCallback(const InputEventPackage **pkgs, uint32_t count, uint32_t devIndex)
54 {
55 if (pkgs == NULL) {
56 return;
57 }
58
59 DeviceData data = {0};
60 GetInstance()->GetEventData(&data);
61
62 for (uint32_t i = 0; i < count; i++) {
63 if (pkgs[i]->type == EV_REL) {
64 if (pkgs[i]->code == REL_X)
65 data.point.x += pkgs[i]->value;
66 else if (pkgs[i]->code == REL_Y)
67 data.point.y += pkgs[i]->value;
68 } else if (pkgs[i]->type == EV_ABS) {
69 if (pkgs[i]->code == ABS_X)
70 data.point.x =pkgs[i]->value / (0x7fff / HORIZONTAL_RESOLUTION);
71 else if (pkgs[i]->code == ABS_Y)
72 data.point.y =pkgs[i]->value / (0x7fff / VERTICAL_RESOLUTION);
73 } else if (pkgs[i]->type == EV_KEY) {
74 if (pkgs[i]->code == BTN_MOUSE || pkgs[i]->code == BTN_TOUCH) {
75 if (pkgs[i]->value == 0)
76 data.state = 0;
77 else if (pkgs[i]->value == 1)
78 data.state = 1;
79 }
80 } else if (pkgs[i]->type == EV_SYN) {
81 if (pkgs[i]->code == SYN_REPORT) {
82 break;
83 }
84 }
85 }
86
87 GetInstance()->SetEventData(data);
88 }
89
Read(DeviceData &data)90 bool InputDev::Read(DeviceData &data)
91 {
92 GetEventData(&data);
93 return false;
94 }
95 } // namespace OHOS