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.car.hardware.camera; 18 19 import android.annotation.SystemApi; 20 import android.car.Car; 21 import android.car.CarManagerBase; 22 import android.car.CarNotConnectedException; 23 import android.content.Context; 24 import android.os.IBinder; 25 import android.os.RemoteException; 26 import android.util.Log; 27 28 /** 29 * API for controlling camera system in cars 30 * @hide 31 */ 32 @SystemApi 33 public class CarCameraManager implements CarManagerBase { 34 public final static boolean DBG = true; 35 public final static String TAG = CarCameraManager.class.getSimpleName(); 36 37 // Camera capabilities flags 38 public static final int ANDROID_OVERLAY_SUPPORT_FLAG = 0x1; 39 public static final int CAMERA_CROP_SUPPORT_FLAG = 0x2; 40 public static final int CAMERA_POSITIONING_SUPPORT_FLAG = 0x4; 41 42 // Camera types 43 public static final int CAR_CAMERA_TYPE_NONE = 0; 44 public static final int CAR_CAMERA_TYPE_RVC = 1; 45 46 private int[] mCameraList; 47 private final ICarCamera mService; 48 49 /** 50 * Get an instance of the CarCameraManager. 51 * 52 * Should not be obtained directly by clients, use {@link Car.getCarManager()} instead. 53 * @hide 54 */ CarCameraManager(IBinder service, Context context)55 public CarCameraManager(IBinder service, Context context) throws CarNotConnectedException{ 56 mService = ICarCamera.Stub.asInterface(service); 57 try { 58 mCameraList = mService.getCameraList(); 59 } catch (RemoteException e) { 60 Log.e(TAG, "Exception in getCameraList", e); 61 mCameraList = null; 62 throw new CarNotConnectedException(e); 63 } 64 } 65 66 /** 67 * 68 * @return Array of CAR_CAMERA_TYPE_* telling which cameras are present 69 */ getCameraList()70 public int[] getCameraList() { 71 return mCameraList; 72 } 73 74 /** 75 * 76 * @param cameraType Camera type to query capabilites 77 * @return Bitmask of camera capabilities available for this device 78 * @throws CarNotConnectedException 79 */ getCameraCapabilities(int cameraType)80 public int getCameraCapabilities(int cameraType) throws CarNotConnectedException { 81 int capabilities; 82 try { 83 capabilities = mService.getCapabilities(cameraType); 84 } catch (RemoteException e) { 85 Log.e(TAG, "Exception in getCameraCapabilities", e); 86 throw new CarNotConnectedException(e); 87 } 88 return capabilities; 89 } 90 openCamera(int cameraType)91 public CarCamera openCamera(int cameraType) { 92 CarCamera camera = null; 93 94 // Find cameraType in the list of available cameras 95 for (int i : mCameraList) { 96 if(i == cameraType) { 97 camera = new CarCamera(mService, cameraType); 98 break; 99 } 100 } 101 return camera; 102 } 103 closeCamera(CarCamera camera)104 public void closeCamera(CarCamera camera) { 105 // TODO: What should we do? 106 } 107 108 /** @hide */ 109 @Override onCarDisconnected()110 public void onCarDisconnected() { 111 } 112 } 113