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 /** 17 * @file icamera_host_callback.h 18 * 19 * @brief Declares callbacks for status changes of cameras and flashes. The caller needs to implement the callbacks. 20 * 21 * @since 1.0 22 * @version 1.0 23 */ 24 25 #ifndef HDI_CAMERA_HOST_CALLBACK_SERVER_H 26 #define HDI_CAMERA_HOST_CALLBACK_SERVER_H 27 28 #include <list> 29 #include <map> 30 #include <vector> 31 #include "types.h" 32 #include "icamera_interface.h" 33 34 namespace OHOS::Camera { 35 class ICameraHostCallback : public ICameraInterface { 36 public: 37 DECLARE_INTERFACE_DESCRIPTOR(u"HDI.Camera.V1_0.HostCallback"); ~ICameraHostCallback()38 virtual ~ICameraHostCallback() {} 39 40 public: 41 /** 42 * @brief Called when the camera status changes to report the latest status. 43 * 44 * @param cameraId Indicates the ID of the camera whose status changes. 45 * @param status Indicates the latest status of the camera. 46 * 47 * @since 1.0 48 * @version 1.0 49 */ 50 virtual void OnCameraStatus(const std::string &cameraId, CameraStatus status) = 0; 51 52 /** 53 * @brief Called when the flash status changes to report the latest status. 54 * 55 * @param cameraId Indicates the ID of the camera to which the flash whose status changes is bound. 56 * @param status Indicates the latest status of the flash. 57 * 58 * @since 1.0 59 * @version 1.0 60 */ 61 virtual void OnFlashlightStatus(const std::string &cameraId, FlashlightStatus status) = 0; 62 63 /** 64 * @brief Called when the camera event occurs. 65 * 66 * @param cameraId Indicates the ID of the camera to which the camera event is bound. 67 * @param event Indicates the camera event type. 68 * 69 * @since 1.0 70 * @version 1.0 71 */ 72 virtual void OnCameraEvent(const std::string &cameraId, CameraEvent event) = 0; 73 }; 74 } 75 #endif // HDI_CAMERA_HOST_CALLBACK_SERVER_H