1 package com.bumptech.glide.load.model.stream; 2 3 import android.content.Context; 4 import android.net.Uri; 5 6 import com.bumptech.glide.load.data.DataFetcher; 7 import com.bumptech.glide.load.data.MediaStoreThumbFetcher; 8 import com.bumptech.glide.load.model.ModelLoader; 9 10 import java.io.InputStream; 11 12 /** 13 * An {@link com.bumptech.glide.load.model.ModelLoader} that can use media store uris to open pre-generated thumbnails 14 * from the media store using {@link android.provider.MediaStore.Images.Thumbnails} and 15 * {@link android.provider.MediaStore.Video.Thumbnails} if the requested size is less than or equal to the media store 16 * thumbnail size. If the given uri is not a media store uri or if the desired dimensions are too large, 17 * it falls back to the wrapped {@link com.bumptech.glide.load.model.ModelLoader} to load the 18 * {@link java.io.InputStream} data. 19 */ 20 public class MediaStoreStreamLoader implements ModelLoader<Uri, InputStream> { 21 private final Context context; 22 private final ModelLoader<Uri, InputStream> uriLoader; 23 24 public MediaStoreStreamLoader(Context context, ModelLoader<Uri, InputStream> uriLoader) { 25 this.context = context; 26 this.uriLoader = uriLoader; 27 } 28 29 @Override 30 public DataFetcher<InputStream> getResourceFetcher(Uri model, int width, int height) { 31 return new MediaStoreThumbFetcher(context, model, uriLoader.getResourceFetcher(model, width, height), width, 32 height); 33 } 34 } 35
