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 16 #ifndef OHOS_DSCREEN_SINK_HANDLER_H 17 #define OHOS_DSCREEN_SINK_HANDLER_H 18 19 #include <mutex> 20 21 #include "idistributed_hardware_sink.h" 22 #include "single_instance.h" 23 24 #include "idscreen_sink.h" 25 26 namespace OHOS { 27 namespace DistributedHardware { 28 class DScreenSinkHandler : public IDistributedHardwareSink { 29 DECLARE_SINGLE_INSTANCE_BASE(DScreenSinkHandler); 30 public: 31 int32_t InitSink(const std::string ¶ms) override; 32 int32_t ReleaseSink() override; 33 int32_t SubscribeLocalHardware(const std::string &dhId, const std::string ¶m) override; 34 int32_t UnsubscribeLocalHardware(const std::string &dhId) override; 35 void OnRemoteSinkSvrDied(const wptr<IRemoteObject> &remote); 36 private: 37 class DScreenSinkSvrRecipient : public IRemoteObject::DeathRecipient { 38 public: 39 void OnRemoteDied(const wptr<IRemoteObject> &remote) override; 40 }; 41 42 DScreenSinkHandler(); 43 ~DScreenSinkHandler(); 44 45 std::mutex mutex_; 46 sptr<IDScreenSink> dScreenSinkProxy_ = nullptr; 47 sptr<DScreenSinkSvrRecipient> sinkSvrRecipient_ = nullptr; 48 }; 49 50 #ifdef __cplusplus 51 extern "C" { 52 #endif 53 __attribute__((visibility("default"))) IDistributedHardwareSink *GetSinkHardwareHandler(); 54 #ifdef __cplusplus 55 } 56 #endif 57 } // namespace DistributedHardware 58 } // namespace OHOS 59 #endif