1 /* 2 * Copyright (C) 2017 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 package com.android.wallpaper.asset; 17 18 import androidx.annotation.Nullable; 19 20 import com.android.wallpaper.asset.ResourceAssetLoader.ResourceAssetFetcher; 21 22 import com.bumptech.glide.load.Options; 23 import com.bumptech.glide.load.model.ModelLoader; 24 import com.bumptech.glide.load.model.ModelLoaderFactory; 25 import com.bumptech.glide.load.model.MultiModelLoaderFactory; 26 27 import java.io.InputStream; 28 29 /** 30 * Glide ModelLoader which loads InputStreams from PartnerStaticAssets. 31 */ 32 public class SystemStaticAssetLoader implements ModelLoader<SystemStaticAsset, InputStream> { 33 34 @Override handles(SystemStaticAsset systemStaticAsset)35 public boolean handles(SystemStaticAsset systemStaticAsset) { 36 return true; 37 } 38 39 @Nullable 40 @Override buildLoadData(SystemStaticAsset systemStaticAsset, int unusedWidth, int unusedHeight, Options options)41 public LoadData<InputStream> buildLoadData(SystemStaticAsset systemStaticAsset, int unusedWidth, 42 int unusedHeight, Options options) { 43 return new LoadData<>(systemStaticAsset.getKey(), 44 new ResourceAssetFetcher(systemStaticAsset)); 45 } 46 47 /** 48 * Factory that constructs {@link SystemStaticAssetLoader} instances. 49 */ 50 public static class SystemStaticAssetLoaderFactory 51 implements ModelLoaderFactory<SystemStaticAsset, InputStream> { SystemStaticAssetLoaderFactory()52 public SystemStaticAssetLoaderFactory() { 53 } 54 55 @Override build( MultiModelLoaderFactory multiFactory)56 public ModelLoader<SystemStaticAsset, InputStream> build( 57 MultiModelLoaderFactory multiFactory) { 58 return new SystemStaticAssetLoader(); 59 } 60 61 @Override teardown()62 public void teardown() { 63 // no-op 64 } 65 } 66 } 67