1 /*
2  * Copyright (c) 2021 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 HDI_CONNECTION_H
17 #define HDI_CONNECTION_H
18 
19 #include "death_recipient_template.h"
20 #include "i_sensor_hdi_connection.h"
21 #include "sensor_basic_info.h"
22 
23 namespace OHOS {
24 namespace Sensors {
25 class HdiConnection : public ISensorHdiConnection {
26 public:
27     HdiConnection() = default;
~HdiConnection()28     virtual ~HdiConnection() {}
29     int32_t ConnectHdi() override;
30     int32_t GetSensorList(std::vector<Sensor> &sensorList) override;
31     int32_t EnableSensor(int32_t sensorId) override;
32     int32_t DisableSensor(int32_t sensorId)  override;
33     int32_t SetBatch(int32_t sensorId, int64_t samplingInterval, int64_t reportInterval) override;
34     int32_t SetMode(int32_t sensorId, int32_t mode) override;
35     int32_t RegisterDataReport(ReportDataCb cb, sptr<ReportDataCallback> reportDataCallback) override;
36     int32_t DestroyHdiConnection() override;
37     ReportDataCb GetReportDataCb();
38     sptr<ReportDataCallback> GetReportDataCallback();
39     void ProcessDeathObserver(const wptr<IRemoteObject> &object);
40 
41 private:
42     DISALLOW_COPY_AND_MOVE(HdiConnection);
43     static ReportDataCb reportDataCb_;
44     static sptr<ReportDataCallback> reportDataCallback_;
45     sptr<IRemoteObject::DeathRecipient> hdiDeathObserver_ = nullptr;
46     void RegisterHdiDeathRecipient();
47     void UnregisterHdiDeathRecipient();
48     void Reconnect();
49     void UpdateSensorBasicInfo(int32_t sensorId, int64_t samplingPeriodNs, int64_t maxReportDelayNs);
50     void SetSensorBasicInfoState(int32_t sensorId, bool state);
51     void DeleteSensorBasicInfoState(int32_t sensorId);
52 };
53 } // namespace Sensors
54 } // namespace OHOS
55 #endif // HDI_CONNECTION_H