1 /* 2 * Copyright (c) 2009-2010 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 package com.jme3.asset; 34 35 /** 36 * <code>AssetEventListener</code> is an interface for listening to various 37 * events happening inside {@link AssetManager}. For now, it is possible 38 * to receive an event when an asset has been requested 39 * (one of the AssetManager.load***() methods were called), or when 40 * an asset has been loaded. 41 * 42 * @author Kirill Vainer 43 */ 44 public interface AssetEventListener { 45 46 /** 47 * Called when an asset has been successfully loaded (e.g: loaded from 48 * file system and parsed). 49 * 50 * @param key the AssetKey for the asset loaded. 51 */ assetLoaded(AssetKey key)52 public void assetLoaded(AssetKey key); 53 54 /** 55 * Called when an asset has been requested (e.g any of the load*** methods 56 * in AssetManager are called). 57 * In contrast to the assetLoaded() method, this one will be called even 58 * if the asset has failed to load, or if it was retrieved from the cache. 59 * 60 * @param key 61 */ assetRequested(AssetKey key)62 public void assetRequested(AssetKey key); 63 64 /** 65 * Called when an asset dependency cannot be found for an asset. 66 * When an asset is loaded, each of its dependent assets that 67 * have failed to load due to a {@link AssetNotFoundException}, will cause 68 * an invocation of this callback. 69 * 70 * @param parentKey The key of the parent asset that is being loaded 71 * from within the user application. 72 * @param dependentAssetKey The asset key of the dependent asset that has 73 * failed to load. 74 */ assetDependencyNotFound(AssetKey parentKey, AssetKey dependentAssetKey)75 public void assetDependencyNotFound(AssetKey parentKey, AssetKey dependentAssetKey); 76 77 } 78