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 <hdf_log.h> 32 #include <iremote_broker.h> 33 #include "types.h" 34 35 namespace OHOS::Camera { 36 enum { 37 CMD_CAMERA_HOST_CALLBACK_ON_STATUS = 0, 38 CMD_CAMERA_HOST_CALLBACK_ON_FLASHLIGHT_STATUS, 39 }; 40 41 class ICameraHostCallback : public IRemoteBroker { 42 public: 43 DECLARE_INTERFACE_DESCRIPTOR(u"HDI.Camera.V1_0.HostCallback"); ~ICameraHostCallback()44 virtual ~ICameraHostCallback() {} 45 46 public: 47 /** 48 * @brief Called when the camera status changes to report the latest status. 49 * 50 * @param cameraId Indicates the ID of the camera whose status changes. 51 * @param status Indicates the latest status of the camera. 52 * 53 * @since 1.0 54 * @version 1.0 55 */ 56 virtual void OnCameraStatus(const std::string &cameraId, CameraStatus status) = 0; 57 58 /** 59 * @brief Called when the flash status changes to report the latest status. 60 * 61 * @param cameraId Indicates the ID of the camera to which the flash whose status changes is bound. 62 * @param status Indicates the latest status of the flash. 63 * 64 * @since 1.0 65 * @version 1.0 66 */ 67 virtual void OnFlashlightStatus(const std::string &cameraId, FlashlightStatus status) = 0; 68 }; 69 } 70 #endif // HDI_CAMERA_HOST_CALLBACK_SERVER_H 71