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 #include <map> 18 #include <mutex> 19 #include "ability_info.h" 20 #include "element_name.h" 21 #include "itag_host.h" 22 #include "taginfo.h" 23 24 namespace OHOS { 25 namespace NFC { 26 class INfcService; 27 namespace TAG { 28 using AppExecFwk::AbilityInfo; 29 using OHOS::AppExecFwk::ElementName; 30 class TagDispatcher final { 31 public: 32 explicit TagDispatcher(std::shared_ptr<NFC::INfcService> nfcService); 33 ~TagDispatcher(); 34 TagDispatcher(const TagDispatcher&) = delete; 35 TagDispatcher& operator=(const TagDispatcher&) = delete; 36 37 int HandleTagFound(std::shared_ptr<NCI::ITagHost> tag); 38 void HandleTagDebounce(); 39 std::weak_ptr<NCI::ITagHost> FindTagHost(int rfDiscId); 40 void DispatchAbilityMultiApp(std::shared_ptr<KITS::TagInfo> tagInfo); 41 void DispatchAbilitySingleApp(ElementName &element, std::shared_ptr<KITS::TagInfo> tagInfo); 42 protected: 43 std::shared_ptr<NCI::ITagHost> FindAndRemoveTagHost(int rfDiscId); 44 void RegisterTagHost(std::shared_ptr<NCI::ITagHost> tag); 45 void UnregisterTagHost(int rfDiscId); 46 47 private: 48 std::shared_ptr<KITS::TagInfo> GetTagInfoFromTag(std::shared_ptr<NCI::ITagHost> tag); 49 KITS::TagInfoParcelable GetTagInfoParcelableFromTag(std::shared_ptr<NCI::ITagHost> tag); 50 void DispatchTag(std::shared_ptr<NCI::ITagHost> tag); 51 void TagDisconnectedCallback(int tagRfDiscId); 52 std::shared_ptr<NFC::INfcService> nfcService_ {}; 53 // Lock 54 std::mutex mutex_ {}; 55 std::map<int, std::shared_ptr<NCI::ITagHost>> tagHostMap_ {}; 56 // tag field on checking 57 const static int DEFAULT_FIELD_ON_CHECK_DURATION = 125; // ms 58 const static int DEFAULT_ISO_DEP_FIELD_ON_CHECK_DURATION = 500; // ms 59 const static int DEFAULT_MOTOR_VIBRATOR_ONCE = 500; // ms 60 61 // there is only single tag application matched to be dispatched. 62 const static int TAG_APP_MATCHED_SIZE_SINGLE = 1; 63 64 // ndef message 65 std::string lastNdefMsg_; 66 }; 67 } // namespace TAG 68 } // namespace NFC 69 } // namespace OHOS 70 #endif // TAG_DISPATCH_H 71