1 /*
2  * Copyright (C) 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 #ifndef NFC_SA_CLIENT_H
16 #define NFC_SA_CLIENT_H
17 
18 #include "iremote_object.h"
19 #include "nfc_sdk_common.h"
20 #include "nfc_controller.h"
21 #include "system_ability_load_callback_stub.h"
22 
23 namespace OHOS {
24 namespace NFC {
25 class NfcSaLoadCallback : public SystemAbilityLoadCallbackStub {
26 public:
27     void OnLoadSystemAbilitySuccess(int32_t systemAbilityId, const sptr<IRemoteObject> &remoteObject) override;
28     void OnLoadSystemAbilityFail(int32_t systemAbilityId) override;
29 };
30 
31 class NfcSaClient : public SystemAbilityLoadCallbackStub {
32 private:
33     NfcSaClient() = default;
34     ~NfcSaClient() = default;
35 
36 public:
37     static NfcSaClient &GetInstance();
38     sptr<IRemoteObject> LoadNfcSa(int32_t systemAbilityId);
39     void LoadSystemAbilitySuccess(const sptr<IRemoteObject> &remoteObject);
40     void LoadSystemAbilityFail();
41     bool CheckNfcSystemAbility();
42 
43 private:
44     void InitLoadState();
45     bool WaitLoadStateChange(int32_t systemAbilityId);
46 
47     std::condition_variable locatorCond_;
48     std::mutex locatorMutex_;
49     bool loadState_ = false;
50     sptr<IRemoteObject> remoteObject_;
51 };
52 }  // namespace NFC
53 }  // namespace OHOS
54 #endif  // NFC_SA_CLIENT_H