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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ex.camera2.utils;
import android.hardware.camera2.CameraCaptureSession;
import android.hardware.camera2.CameraCaptureSession.CaptureCallback;
import android.hardware.camera2.CaptureFailure;
import android.hardware.camera2.CaptureRequest;
import android.hardware.camera2.CaptureResult;
import android.hardware.camera2.TotalCaptureResult;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
/**
* Junction that allows notifying multiple {@link CaptureCallback}s whenever
* the {@link CameraCaptureSession} posts a capture-related update.
*/
public class Camera2CaptureCallbackSplitter extends CaptureCallback {
private final List<CaptureCallback> mRecipients = new LinkedList<>();
/**
* @param recipients The listeners to notify. Any {@code null} passed here
* will be completely ignored.
*/
public Camera2CaptureCallbackSplitter(CaptureCallback... recipients) {
for (CaptureCallback listener : recipients) {
if (listener != null) {
mRecipients.add(listener);
}
}
}
@Override
public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest request,
TotalCaptureResult result) {
for (CaptureCallback target : mRecipients) {
target.onCaptureCompleted(session, request, result);
}
}
@Override
public void onCaptureFailed(CameraCaptureSession session, CaptureRequest request,
CaptureFailure failure) {
for (CaptureCallback target : mRecipients) {
target.onCaptureFailed(session, request, failure);
}
}
@Override
public void onCaptureProgressed(CameraCaptureSession session, CaptureRequest request,
CaptureResult partialResult) {
for (CaptureCallback target : mRecipients) {
target.onCaptureProgressed(session, request, partialResult);
}
}
@Override
public void onCaptureSequenceAborted(CameraCaptureSession session, int sequenceId) {
for (CaptureCallback target : mRecipients) {
target.onCaptureSequenceAborted(session, sequenceId);
}
}
@Override
public void onCaptureSequenceCompleted(CameraCaptureSession session, int sequenceId,
long frameNumber) {
for (CaptureCallback target : mRecipients) {
target.onCaptureSequenceCompleted(session, sequenceId, frameNumber);
}
}
@Override
public void onCaptureStarted(CameraCaptureSession session, CaptureRequest request,
long timestamp, long frameNumber) {
for (CaptureCallback target : mRecipients) {
target.onCaptureStarted(session, request, timestamp, frameNumber);
}
}
}
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