| /* |
| * Copyright (C) 2015 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.camera.one.v2; |
| |
| import com.android.camera.debug.Log.Tag; |
| import com.android.camera.debug.Logger; |
| import com.android.camera.one.v2.camera2proxy.ForwardingImageProxy; |
| import com.android.camera.one.v2.camera2proxy.ForwardingImageReader; |
| import com.android.camera.one.v2.camera2proxy.ImageProxy; |
| import com.android.camera.one.v2.camera2proxy.ImageReaderProxy; |
| |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import javax.annotation.Nullable; |
| |
| final class LoggingImageReader extends ForwardingImageReader { |
| private class LoggingImageProxy extends ForwardingImageProxy { |
| private final AtomicBoolean mClosed; |
| |
| public LoggingImageProxy(ImageProxy proxy) { |
| super(proxy); |
| mClosed = new AtomicBoolean(false); |
| } |
| |
| @Override |
| public void close() { |
| if (!mClosed.getAndSet(true)) { |
| super.close(); |
| decrementOpenImageCount(); |
| } |
| } |
| } |
| |
| private final Logger mLog; |
| private final AtomicInteger mNumOpenImages; |
| |
| public LoggingImageReader(ImageReaderProxy delegate, Logger.Factory logFactory) { |
| super(delegate); |
| mLog = logFactory.create(new Tag("LoggingImageReader")); |
| mNumOpenImages = new AtomicInteger(0); |
| } |
| |
| @Override |
| @Nullable |
| public ImageProxy acquireNextImage() { |
| return decorateNewImage(super.acquireNextImage()); |
| } |
| |
| @Override |
| @Nullable |
| public ImageProxy acquireLatestImage() { |
| return decorateNewImage(super.acquireLatestImage()); |
| } |
| |
| @Nullable |
| private ImageProxy decorateNewImage(@Nullable ImageProxy image) { |
| if (image == null) { |
| return null; |
| } |
| incrementOpenImageCount(); |
| return new LoggingImageProxy(image); |
| } |
| |
| @Override |
| public void close() { |
| mLog.d("Closing: " + toString()); |
| super.close(); |
| } |
| |
| private void incrementOpenImageCount() { |
| int numOpenImages = mNumOpenImages.incrementAndGet(); |
| if (numOpenImages >= getMaxImages()) { |
| mLog.e(String.format("Open Image Count (%d) exceeds maximum (%d)!", |
| numOpenImages, getMaxImages())); |
| } |
| } |
| |
| private void decrementOpenImageCount() { |
| int numOpenImages = mNumOpenImages.decrementAndGet(); |
| } |
| } |