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.camera.one.v2.sharedimagereader.imagedistributor; 18 19 import com.android.camera.async.RefCountBase; 20 import com.android.camera.one.v2.camera2proxy.ForwardingImageProxy; 21 import com.android.camera.one.v2.camera2proxy.ImageProxy; 22 23 import javax.annotation.concurrent.ThreadSafe; 24 25 /** 26 * Wraps ImageProxy with reference counting, starting with a fixed number of 27 * references. 28 */ 29 @ThreadSafe 30 class RefCountedImageProxy extends ForwardingImageProxy { 31 private final RefCountBase<ImageProxy> mRefCount; 32 33 /** 34 * @param image The image to wrap 35 * @param refCount The initial reference count. 36 */ 37 public RefCountedImageProxy(ImageProxy image, int refCount) { 38 super(image); 39 mRefCount = new RefCountBase<ImageProxy>(image, refCount); 40 } 41 42 @Override 43 public void close() { 44 mRefCount.close(); 45 } 46 } 47