1 /* 2 * Copyright (c) 2021-2025 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_DCAMERA_SOURCE_HANDLER_H 17 #define OHOS_DCAMERA_SOURCE_HANDLER_H 18 19 #include <mutex> 20 #include <condition_variable> 21 22 #include "iremote_proxy.h" 23 #include "iremote_broker.h" 24 #include "refbase.h" 25 26 #include "dcamera_source_callback.h" 27 #include "idistributed_hardware_source.h" 28 #include "single_instance.h" 29 30 namespace OHOS { 31 namespace DistributedHardware { 32 class DCameraSourceHandler : public IDistributedHardwareSource { 33 DECLARE_SINGLE_INSTANCE_BASE(DCameraSourceHandler); 34 public: 35 int32_t InitSource(const std::string& params) override; 36 int32_t ReleaseSource() override; 37 int32_t RegisterDistributedHardware(const std::string& devId, const std::string& dhId, 38 const EnableParam& param, std::shared_ptr<RegisterCallback> callback) override; 39 int32_t UnregisterDistributedHardware(const std::string& devId, const std::string& dhId, 40 std::shared_ptr<UnregisterCallback> callback) override; 41 int32_t ConfigDistributedHardware(const std::string& devId, const std::string& dhId, const std::string& key, 42 const std::string& value) override; 43 void RegisterDistributedHardwareStateListener(std::shared_ptr<DistributedHardwareStateListener> listener) override; 44 void UnregisterDistributedHardwareStateListener() override; 45 void RegisterDataSyncTriggerListener(std::shared_ptr<DataSyncTriggerListener> listener) override; 46 void UnregisterDataSyncTriggerListener() override; 47 int32_t LoadDistributedHDF(std::shared_ptr<HdfDeathCallback> callback) override; 48 int32_t UnLoadDistributedHDF() override; 49 void SetSAState(); 50 private: 51 typedef enum { 52 DCAMERA_SA_STATE_STOP = 0, 53 DCAMERA_SA_STATE_START = 1, 54 } DCameraSAState; 55 DCameraSourceHandler(); 56 ~DCameraSourceHandler(); 57 void FinishStartSA(const std::string ¶ms); 58 void FinishStartSAFailed(const int32_t systemAbilityId); 59 private: 60 std::mutex optLock_; 61 sptr<DCameraSourceCallback> callback_; 62 std::condition_variable producerCon_; 63 std::mutex producerMutex_; 64 DCameraSAState state_ = DCAMERA_SA_STATE_STOP; 65 friend class DCameraSourceLoadCallback; 66 }; 67 68 #ifdef __cplusplus 69 extern "C" { 70 #endif // __cplusplus 71 __attribute__((visibility("default"))) IDistributedHardwareSource *GetSourceHardwareHandler(); 72 #ifdef __cplusplus 73 } 74 #endif // __cplusplus 75 } // namespace DistributedHardware 76 } // namespace OHOS 77 #endif // OHOS_DCAMERA_SOURCE_HANDLER_H 78