1 /* 2 * Copyright (C) 2014 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 package android.hardware.camera2.impl; 17 18 import android.hardware.camera2.CameraCaptureSession; 19 import android.hardware.camera2.CameraDevice; 20 import android.hardware.camera2.CaptureFailure; 21 import android.hardware.camera2.CaptureRequest; 22 import android.hardware.camera2.CaptureResult; 23 import android.hardware.camera2.TotalCaptureResult; 24 import android.hardware.camera2.dispatch.Dispatchable; 25 import android.hardware.camera2.dispatch.MethodNameInvoker; 26 import android.view.Surface; 27 28 import static com.android.internal.util.Preconditions.*; 29 30 /** 31 * Proxy out invocations to the camera2 API callbacks into a {@link Dispatchable}. 32 * 33 * <p>Since abstract classes do not support Java's dynamic {@code Proxy}, we have to 34 * to use our own proxy mechanism.</p> 35 */ 36 public class CallbackProxies { 37 38 // TODO: replace with codegen 39 40 public static class DeviceStateCallbackProxy extends CameraDeviceImpl.StateCallbackKK { 41 private final MethodNameInvoker<CameraDeviceImpl.StateCallbackKK> mProxy; 42 43 public DeviceStateCallbackProxy( 44 Dispatchable<CameraDeviceImpl.StateCallbackKK> dispatchTarget) { 45 dispatchTarget = checkNotNull(dispatchTarget, "dispatchTarget must not be null"); 46 mProxy = new MethodNameInvoker<>(dispatchTarget, CameraDeviceImpl.StateCallbackKK.class); 47 } 48 49 @Override 50 public void onOpened(CameraDevice camera) { 51 mProxy.invoke("onOpened", camera); 52 } 53 54 @Override 55 public void onDisconnected(CameraDevice camera) { 56 mProxy.invoke("onDisconnected", camera); 57 } 58 59 @Override 60 public void onError(CameraDevice camera, int error) { 61 mProxy.invoke("onError", camera, error); 62 } 63 64 @Override 65 public void onUnconfigured(CameraDevice camera) { 66 mProxy.invoke("onUnconfigured", camera); 67 } 68 69 @Override 70 public void onActive(CameraDevice camera) { 71 mProxy.invoke("onActive", camera); 72 } 73 74 @Override 75 public void onBusy(CameraDevice camera) { 76 mProxy.invoke("onBusy", camera); 77 } 78 79 @Override 80 public void onClosed(CameraDevice camera) { 81 mProxy.invoke("onClosed", camera); 82 } 83 84 @Override 85 public void onIdle(CameraDevice camera) { 86 mProxy.invoke("onIdle", camera); 87 } 88 } 89 90 @SuppressWarnings("deprecation") 91 public static class DeviceCaptureCallbackProxy implements CameraDeviceImpl.CaptureCallback { 92 private final MethodNameInvoker<CameraDeviceImpl.CaptureCallback> mProxy; 93 94 public DeviceCaptureCallbackProxy( 95 Dispatchable<CameraDeviceImpl.CaptureCallback> dispatchTarget) { 96 dispatchTarget = checkNotNull(dispatchTarget, "dispatchTarget must not be null"); 97 mProxy = new MethodNameInvoker<>(dispatchTarget, CameraDeviceImpl.CaptureCallback.class); 98 } 99 100 @Override 101 public void onCaptureStarted(CameraDevice camera, 102 CaptureRequest request, long timestamp, long frameNumber) { 103 mProxy.invoke("onCaptureStarted", camera, request, timestamp, frameNumber); 104 } 105 106 @Override 107 public void onCapturePartial(CameraDevice camera, 108 CaptureRequest request, CaptureResult result) { 109 mProxy.invoke("onCapturePartial", camera, request, result); 110 } 111 112 @Override 113 public void onCaptureProgressed(CameraDevice camera, 114 CaptureRequest request, CaptureResult partialResult) { 115 mProxy.invoke("onCaptureProgressed", camera, request, partialResult); 116 } 117 118 @Override 119 public void onCaptureCompleted(CameraDevice camera, 120 CaptureRequest request, TotalCaptureResult result) { 121 mProxy.invoke("onCaptureCompleted", camera, request, result); 122 } 123 124 @Override 125 public void onCaptureFailed(CameraDevice camera, 126 CaptureRequest request, CaptureFailure failure) { 127 mProxy.invoke("onCaptureFailed", camera, request, failure); 128 } 129 130 @Override 131 public void onCaptureSequenceCompleted(CameraDevice camera, 132 int sequenceId, long frameNumber) { 133 mProxy.invoke("onCaptureSequenceCompleted", camera, sequenceId, frameNumber); 134 } 135 136 @Override 137 public void onCaptureSequenceAborted(CameraDevice camera, 138 int sequenceId) { 139 mProxy.invoke("onCaptureSequenceAborted", camera, sequenceId); 140 } 141 142 @Override 143 public void onCaptureBufferLost(CameraDevice camera, 144 CaptureRequest request, Surface target, long frameNumber) { 145 mProxy.invoke("onCaptureBufferLost", camera, request, target, frameNumber); 146 } 147 148 } 149 150 public static class SessionStateCallbackProxy 151 extends CameraCaptureSession.StateCallback { 152 private final MethodNameInvoker<CameraCaptureSession.StateCallback> mProxy; 153 154 public SessionStateCallbackProxy( 155 Dispatchable<CameraCaptureSession.StateCallback> dispatchTarget) { 156 dispatchTarget = checkNotNull(dispatchTarget, "dispatchTarget must not be null"); 157 mProxy = new MethodNameInvoker<>(dispatchTarget, 158 CameraCaptureSession.StateCallback.class); 159 } 160 161 @Override 162 public void onConfigured(CameraCaptureSession session) { 163 mProxy.invoke("onConfigured", session); 164 } 165 166 167 @Override 168 public void onConfigureFailed(CameraCaptureSession session) { 169 mProxy.invoke("onConfigureFailed", session); 170 } 171 172 @Override 173 public void onReady(CameraCaptureSession session) { 174 mProxy.invoke("onReady", session); 175 } 176 177 @Override 178 public void onActive(CameraCaptureSession session) { 179 mProxy.invoke("onActive", session); 180 } 181 182 @Override 183 public void onCaptureQueueEmpty(CameraCaptureSession session) { 184 mProxy.invoke("onCaptureQueueEmpty", session); 185 } 186 187 @Override 188 public void onClosed(CameraCaptureSession session) { 189 mProxy.invoke("onClosed", session); 190 } 191 192 @Override 193 public void onSurfacePrepared(CameraCaptureSession session, Surface surface) { 194 mProxy.invoke("onSurfacePrepared", session, surface); 195 } 196 197 } 198 199 private CallbackProxies() { 200 throw new AssertionError(); 201 } 202 } 203
