diff options
Diffstat (limited to 'camera2/utils/src/com/android/ex/camera2/utils/Camera2CaptureCallbackSplitter.java')
-rw-r--r-- | camera2/utils/src/com/android/ex/camera2/utils/Camera2CaptureCallbackSplitter.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/camera2/utils/src/com/android/ex/camera2/utils/Camera2CaptureCallbackSplitter.java b/camera2/utils/src/com/android/ex/camera2/utils/Camera2CaptureCallbackSplitter.java new file mode 100644 index 0000000..f813076 --- /dev/null +++ b/camera2/utils/src/com/android/ex/camera2/utils/Camera2CaptureCallbackSplitter.java @@ -0,0 +1,95 @@ +/* + * 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) { + for (CaptureCallback target : mRecipients) { + target.onCaptureStarted(session, request, timestamp); + } + } +} |