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 #ifndef TAG_DISPATCH_H
16 #define TAG_DISPATCH_H
17 
18 #include <map>
19 #include <mutex>
20 
21 #include "indef_msg_callback.h"
22 #include "inci_tag_interface.h"
23 #include "isodep_card_handler.h"
24 #include "ndef_har_data_parser.h"
25 #include "nfc_service.h"
26 #include "taginfo.h"
27 #include "taginfo_parcelable.h"
28 
29 namespace OHOS {
30 namespace NFC {
31 class NfcService;
32 namespace TAG {
33 class TagDispatcher final {
34 public:
35     explicit TagDispatcher(std::shared_ptr<NfcService> nfcService);
36     ~TagDispatcher();
37     TagDispatcher(const TagDispatcher&) = delete;
38     TagDispatcher& operator=(const TagDispatcher&) = delete;
39 
40     void HandleTagFound(uint32_t rfDiscId);
41     void HandleTagDebounce();
42     void HandleTagLost(uint32_t rfDiscId);
43     void RegNdefMsgCb(const sptr<INdefMsgCallback> &callback);
44     void OnNotificationButtonClicked(int notificationId);
45 
46 private:
47     std::shared_ptr<KITS::TagInfo> GetTagInfoFromTag(uint32_t rfDiscId);
48     KITS::TagInfoParcelable* GetTagInfoParcelableFromTag(uint32_t rfDiscId);
49     void DispatchTag(uint32_t rfDiscId);
50     bool HandleNdefDispatch(uint32_t tagDiscId, std::string &msg);
51     void PublishTagNotification(uint32_t tagDiscId, bool isIsoDep);
52     void StartVibratorOnce();
53 
54 private:
55     std::shared_ptr<NfcService> nfcService_ {};
56     std::weak_ptr<NCI::INciTagInterface> nciTagProxy_ {};
57 
58     // tag field on checking
59     const static int DEFAULT_FIELD_ON_CHECK_DURATION = 150; // ms
60     const static int DEFAULT_ISO_DEP_FIELD_ON_CHECK_DURATION = 500; // ms
61 
62     // ndef message
63     std::string lastNdefMsg_ {};
64     sptr<INdefMsgCallback> ndefCb_;
65 
66     std::shared_ptr<IsodepCardHandler> isodepCardHandler_ {};
67     std::shared_ptr<NdefHarDataParser> ndefHarDataParser_ {nullptr};
68 
69     std::shared_ptr<KITS::TagInfo> tagInfo_ {};
70     bool ndefCbRes_ = false;
71 };
72 }  // namespace TAG
73 }  // namespace NFC
74 }  // namespace OHOS
75 #endif  // TAG_DISPATCH_H
76