1 /*
2 * Copyright (c) 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 "nfc_cardEmulation_controller.h"
17
18 #include "cj_lambda.h"
19 #include "nfc_cardEmulation_ffi.h"
20
21 namespace OHOS {
22 namespace NFC {
23 namespace KITS {
24 std::mutex CjNfcCardEmulationController::controllerMutex_;
25 std::shared_ptr<CjNfcCardEmulationController> CjNfcCardEmulationController::controller_ { nullptr };
26 const int8_t HCE_CMD = 0; // defined by cangjie enum NfcEventType
27
GetInstance()28 std::shared_ptr<CjNfcCardEmulationController> CjNfcCardEmulationController::GetInstance()
29 {
30 if (controller_ == nullptr) {
31 std::lock_guard<std::mutex> lock(controllerMutex_);
32 if (controller_ == nullptr) {
33 auto controller = std::make_shared<CjNfcCardEmulationController>();
34 controller_ = controller;
35 }
36 }
37 return controller_;
38 }
39
Subscribe(int8_t type,int64_t id)40 int32_t CjNfcCardEmulationController::Subscribe(int8_t type, int64_t id)
41 {
42 RegisterListener(type, id);
43 return SUCCESS_CODE;
44 }
45
UnSubscribe(int8_t type)46 int32_t CjNfcCardEmulationController::UnSubscribe(int8_t type)
47 {
48 UnRegisterListener(type);
49 return SUCCESS_CODE;
50 }
51
RegisterListener(int8_t type,int64_t id)52 void CjNfcCardEmulationController::RegisterListener(int8_t type, int64_t id)
53 {
54 std::lock_guard<std::recursive_mutex> lock(mutex_);
55 switch (type) {
56 case HCE_CMD:
57 InitHceCmd(id);
58 break;
59 default:
60 return;
61 }
62 }
63
UnRegisterListener(int8_t type)64 void CjNfcCardEmulationController::UnRegisterListener(int8_t type)
65 {
66 std::lock_guard<std::recursive_mutex> lock(mutex_);
67 switch (type) {
68 case HCE_CMD:
69 hceCmd_ = nullptr;
70 break;
71 default:
72 return;
73 }
74 }
75
InitHceCmd(int64_t id)76 void CjNfcCardEmulationController::InitHceCmd(int64_t id)
77 {
78 auto callback = reinterpret_cast<void (*)(const uint8_t*, int64_t)>(id);
79 hceCmd_ = [lambda = CJLambda::Create(callback)](const uint8_t* head, int64_t size) -> void { lambda(head, size); };
80 }
81
HceCmd(const std::vector<uint8_t> & data)82 void CjNfcCardEmulationController::HceCmd(const std::vector<uint8_t>& data)
83 {
84 std::lock_guard<std::recursive_mutex> lock(mutex_);
85 if (hceCmd_ == nullptr) {
86 return;
87 }
88 hceCmd_(data.data(), data.size());
89 return;
90 }
91
92 } // namespace KITS
93 } // namespace NFC
94 } // namespace OHOS