1 /* 2 * Copyright (C) 2023-2023 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 #ifndef CE_SERVICE_H 17 #define CE_SERVICE_H 18 19 #include "nfc_service.h" 20 21 namespace OHOS { 22 namespace NFC { 23 24 class NfcService; 25 class CommonEventHandler; 26 27 class CeService { 28 public: 29 explicit CeService(std::weak_ptr<NfcService> nfcService); 30 ~CeService(); 31 32 void HandleFieldActivated(); 33 void HandleFieldDeactivated(); 34 static void PublishFieldOnOrOffCommonEvent(bool isFieldOn); 35 36 private: 37 uint64_t lastFieldOnTime_ = 0; 38 uint64_t lastFieldOffTime_ = 0; 39 40 std::weak_ptr<NfcService> nfcService_ {}; 41 42 friend class NfcService; 43 }; 44 } // NFC 45 } // OHOS 46 #endif