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_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 void SetSAState(); 48 private: 49 typedef enum { 50 DCAMERA_SA_STATE_STOP = 0, 51 DCAMERA_SA_STATE_START = 1, 52 } DCameraSAState; 53 DCameraSourceHandler(); 54 ~DCameraSourceHandler(); 55 void FinishStartSA(const std::string ¶ms); 56 void FinishStartSAFailed(const int32_t systemAbilityId); 57 private: 58 std::mutex optLock_; 59 sptr<DCameraSourceCallback> callback_; 60 std::condition_variable producerCon_; 61 std::mutex producerMutex_; 62 DCameraSAState state_ = DCAMERA_SA_STATE_STOP; 63 friend class DCameraSourceLoadCallback; 64 }; 65 66 #ifdef __cplusplus 67 extern "C" { 68 #endif // __cplusplus 69 __attribute__((visibility("default"))) IDistributedHardwareSource *GetSourceHardwareHandler(); 70 #ifdef __cplusplus 71 } 72 #endif // __cplusplus 73 } // namespace DistributedHardware 74 } // namespace OHOS 75 #endif // OHOS_DCAMERA_SOURCE_HANDLER_H 76