1 /* 2 * Copyright (c) 2021-2023 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_SINK_CONTROLLER_H 17 #define OHOS_DCAMERA_SINK_CONTROLLER_H 18 19 #include "event_bus.h" 20 #include "dcamera_frame_trigger_event.h" 21 #include "dcamera_post_authorization_event.h" 22 #include "icamera_controller.h" 23 24 #include "icamera_channel.h" 25 #include "icamera_operator.h" 26 #include "icamera_sink_access_control.h" 27 #include "icamera_sink_output.h" 28 #include <mutex> 29 #include <atomic> 30 #include "device_manager.h" 31 #include "device_manager_callback.h" 32 #include "property_carrier.h" 33 #include "idcamera_sink_callback.h" 34 35 namespace OHOS { 36 namespace DistributedHardware { 37 class DCameraSinkController : public ICameraController, public EventSender, 38 public DistributedHardware::EventBusHandler<DCameraFrameTriggerEvent>, 39 public DistributedHardware::EventBusHandler<DCameraPostAuthorizationEvent>, 40 public std::enable_shared_from_this<DCameraSinkController> { 41 public: 42 explicit DCameraSinkController(std::shared_ptr<ICameraSinkAccessControl>& accessControl, 43 const sptr<IDCameraSinkCallback> &sinkCallback); 44 ~DCameraSinkController() override; 45 46 int32_t StartCapture(std::vector<std::shared_ptr<DCameraCaptureInfo>>& captureInfos) override; 47 int32_t StopCapture() override; 48 int32_t ChannelNeg(std::shared_ptr<DCameraChannelInfo>& info) override; 49 int32_t DCameraNotify(std::shared_ptr<DCameraEvent>& events) override; 50 int32_t UpdateSettings(std::vector<std::shared_ptr<DCameraSettings>>& settings) override; 51 int32_t GetCameraInfo(std::shared_ptr<DCameraInfo>& camInfo) override; 52 int32_t OpenChannel(std::shared_ptr<DCameraOpenInfo>& openInfo) override; 53 int32_t CloseChannel() override; 54 int32_t Init(std::vector<DCameraIndex>& indexs) override; 55 int32_t UnInit() override; 56 int32_t PauseDistributedHardware(const std::string &networkId) override; 57 int32_t ResumeDistributedHardware(const std::string &networkId) override; 58 int32_t StopDistributedHardware(const std::string &networkId) override; 59 60 void OnEvent(DCameraFrameTriggerEvent& event) override; 61 void OnEvent(DCameraPostAuthorizationEvent& event) override; 62 63 void OnStateChanged(std::shared_ptr<DCameraEvent>& event); 64 void OnMetadataResult(std::vector<std::shared_ptr<DCameraSettings>>& settings); 65 66 void OnSessionState(int32_t state); 67 void OnSessionError(int32_t eventType, int32_t eventReason, std::string detail); 68 void OnDataReceived(std::vector<std::shared_ptr<DataBuffer>>& buffers); 69 70 private: 71 int32_t StartCaptureInner(std::vector<std::shared_ptr<DCameraCaptureInfo>>& captureInfos); 72 int32_t DCameraNotifyInner(int32_t type, int32_t result, std::string content); 73 int32_t HandleReceivedData(std::shared_ptr<DataBuffer>& dataBuffer); 74 void PostAuthorization(std::vector<std::shared_ptr<DCameraCaptureInfo>>& captureInfos); 75 bool CheckDeviceSecurityLevel(const std::string &srcDeviceId, const std::string &dstDeviceId); 76 int32_t GetDeviceSecurityLevel(const std::string &udid); 77 std::string GetUdidByNetworkId(const std::string &networkId); 78 int32_t PullUpPage(); 79 bool CheckPermission(); 80 81 bool isInit_; 82 int32_t sessionState_; 83 std::mutex autoLock_; 84 std::mutex captureLock_; 85 std::mutex channelLock_; 86 std::string dhId_; 87 std::string srcDevId_; 88 std::shared_ptr<EventBus> eventBus_; 89 std::shared_ptr<ICameraChannel> channel_; 90 std::shared_ptr<ICameraOperator> operator_; 91 std::shared_ptr<ICameraSinkAccessControl> accessControl_; 92 std::shared_ptr<ICameraSinkOutput> output_; 93 sptr<IDCameraSinkCallback> sinkCallback_; 94 std::atomic<bool> isPageStatus_ = false; 95 std::shared_ptr<DmInitCallback> initCallback_; 96 bool isSensitive_; 97 bool isSameAccount_; 98 99 const std::string SESSION_FLAG = "control"; 100 const std::string SRC_TYPE = "camera"; 101 const size_t DATABUFF_MAX_SIZE = 100 * 1024 * 1024; 102 }; 103 104 class DeviceInitCallback : public DmInitCallback { 105 void OnRemoteDied() override; 106 }; 107 } // namespace DistributedHardware 108 } // namespace OHOS 109 #endif // OHOS_DCAMERA_SINK_CONTROLLER_H