1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.hardware.camera.provider@2.4; 18 19 import android.hardware.camera.common@1.0::types; 20 21 /** 22 * Callback functions for a camera provider HAL to use to inform the camera 23 * service of changes to the camera subsystem. 24 */ 25 interface ICameraProviderCallback { 26 27 /** 28 * cameraDeviceStatusChange: 29 * 30 * Callback to the camera service to indicate that the state of a specific 31 * camera device has changed. 32 * 33 * On camera service startup, when ICameraProvider::setCallback is invoked, 34 * the camera service must assume that all internal camera devices are in 35 * the CAMERA_DEVICE_STATUS_PRESENT state. 36 * 37 * The provider must call this method to inform the camera service of any 38 * initially NOT_PRESENT devices, and of any external camera devices that 39 * are already present, as soon as the callbacks are available through 40 * setCallback. 41 * 42 * @param cameraDeviceServiceName The name of the camera device that has a 43 * new status. 44 * @param newStatus The new status that device is in. 45 * 46 */ 47 cameraDeviceStatusChange(string cameraDeviceName, 48 CameraDeviceStatus newStatus); 49 50 /** 51 * torchModeStatusChange: 52 * 53 * Callback to the camera service to indicate that the state of the torch 54 * mode of the flash unit associated with a specific camera device has 55 * changed. At provider registration time, the camera service must assume 56 * the torch modes are in the TORCH_MODE_STATUS_AVAILABLE_OFF state if 57 * android.flash.info.available is reported as true via the 58 * ICameraDevice::getCameraCharacteristics call. 59 * 60 * @param cameraDeviceServiceName The name of the camera device that has a 61 * new status. 62 * @param newStatus The new status that device is in. 63 * 64 */ 65 torchModeStatusChange(string cameraDeviceName, 66 TorchModeStatus newStatus); 67 68 }; 69
