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 17 package com.android.ex.camera2.utils; 18 19 import android.hardware.camera2.CameraCaptureSession; 20 import android.hardware.camera2.CameraCaptureSession.CaptureCallback; 21 import android.hardware.camera2.CaptureFailure; 22 import android.hardware.camera2.CaptureRequest; 23 import android.hardware.camera2.CaptureResult; 24 import android.hardware.camera2.TotalCaptureResult; 25 import android.os.Handler; 26 27 /** 28 * Proxy that forwards all updates to another {@link CaptureCallback}, invoking 29 * its callbacks on a separate {@link Handler}. 30 */ 31 public class Camera2CaptureCallbackForwarder extends CaptureCallback { 32 private CaptureCallback mListener; 33 private Handler mHandler; 34 35 public Camera2CaptureCallbackForwarder(CaptureCallback listener, Handler handler) { 36 mListener = listener; 37 mHandler = handler; 38 } 39 40 @Override 41 public void onCaptureCompleted(final CameraCaptureSession session, final CaptureRequest request, 42 final TotalCaptureResult result) { 43 mHandler.post(new Runnable() { 44 @Override 45 public void run() { 46 mListener.onCaptureCompleted(session, request, result); 47 }}); 48 } 49 50 @Override 51 public void onCaptureFailed(final CameraCaptureSession session, final CaptureRequest request, 52 final CaptureFailure failure) { 53 mHandler.post(new Runnable() { 54 @Override 55 public void run() { 56 mListener.onCaptureFailed(session, request, failure); 57 }}); 58 } 59 60 @Override 61 public void onCaptureProgressed(final CameraCaptureSession session, 62 final CaptureRequest request, 63 final CaptureResult partialResult) { 64 mHandler.post(new Runnable() { 65 @Override 66 public void run() { 67 mListener.onCaptureProgressed(session, request, partialResult); 68 }}); 69 } 70 71 @Override 72 public void onCaptureSequenceAborted(final CameraCaptureSession session, final int sequenceId) { 73 mHandler.post(new Runnable() { 74 @Override 75 public void run() { 76 mListener.onCaptureSequenceAborted(session, sequenceId); 77 }}); 78 } 79 80 @Override 81 public void onCaptureSequenceCompleted(final CameraCaptureSession session, final int sequenceId, 82 final long frameNumber) { 83 mHandler.post(new Runnable() { 84 @Override 85 public void run() { 86 mListener.onCaptureSequenceCompleted(session, sequenceId, frameNumber); 87 }}); 88 } 89 90 @Override 91 public void onCaptureStarted(final CameraCaptureSession session, final CaptureRequest request, 92 final long timestamp, final long frameNumber) { 93 mHandler.post(new Runnable() { 94 @Override 95 public void run() { 96 mListener.onCaptureStarted(session, request, timestamp, frameNumber); 97 }}); 98 } 99 } 100
