15d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall/* 25d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * Copyright (C) 2014 The Android Open Source Project 35d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * 45d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * Licensed under the Apache License, Version 2.0 (the "License"); 55d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * you may not use this file except in compliance with the License. 65d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * You may obtain a copy of the License at 75d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * 85d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * http://www.apache.org/licenses/LICENSE-2.0 95d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * 105d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * Unless required by applicable law or agreed to in writing, software 115d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * distributed under the License is distributed on an "AS IS" BASIS, 125d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * See the License for the specific language governing permissions and 145d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * limitations under the License. 155d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall */ 165d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall 1712f608f3d2089439a108788a1908941eea4277b9Puneet Lallpackage com.android.camera.one.v2.sharedimagereader.imagedistributor; 185d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall 195d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lallimport java.util.concurrent.atomic.AtomicBoolean; 205d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lallimport java.util.concurrent.atomic.AtomicInteger; 215d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall 229c94ab32a69a1ad3642a0f1e38e68bcfd97d3511Puneet Lallimport com.android.camera.one.v2.camera2proxy.ForwardingImageProxy; 235d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lallimport com.android.camera.one.v2.camera2proxy.ImageProxy; 245d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall 255d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall/** 265d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * Wraps {@link ImageProxy} to filter out multiple calls to {@link #close}. 275d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall */ 2812f608f3d2089439a108788a1908941eea4277b9Puneet Lallclass SingleCloseImageProxy extends ForwardingImageProxy { 295d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall private final AtomicBoolean mClosed; 305d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall 315d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall /** 325d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall * @param image The image to wrap 335d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall */ 345d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall public SingleCloseImageProxy(ImageProxy image) { 355d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall super(image); 365d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall mClosed = new AtomicBoolean(false); 375d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall } 385d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall 395d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall @Override 405d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall public void close() { 415d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall if (!mClosed.getAndSet(true)) { 425d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall super.close(); 435d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall } 445d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall } 455d4fb6accab3bcbe737d52747c328de5cc092d02Puneet Lall} 46