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 OHOS_DISTRIBUTED_HARDWARE_IDISTRIBUTED_HARDWARE_SINK_H 17 #define OHOS_DISTRIBUTED_HARDWARE_IDISTRIBUTED_HARDWARE_SINK_H 18 19 #include <string> 20 21 namespace OHOS { 22 namespace DistributedHardware { 23 const std::string COMPONENT_LOADER_GET_SINK_HANDLER = "GetSinkHardwareHandler"; 24 class SubscribeCallback { 25 public: 26 virtual int32_t OnSubscribeCallback(const std::string &dhId, int32_t status, const std::string &data) = 0; 27 }; 28 29 class IDistributedHardwareSink { 30 public: 31 virtual int32_t InitSink(const std::string ¶ms) = 0; 32 virtual int32_t ReleaseSink() = 0; 33 virtual int32_t SubscribeLocalHardware(const std::string &dhId, const std::string ¶ms) = 0; 34 virtual int32_t UnsubscribeLocalHardware(const std::string &dhId) = 0; 35 }; 36 extern "C" __attribute__((visibility("default"))) IDistributedHardwareSink* GetSinkHardwareHandler(); 37 } // namespace DistributedHardware 38 } // namespace OHOS 39 #endif 40