1 package com.bumptech.glide.load.resource.bitmap; 2 3 import android.graphics.Bitmap; 4 import android.os.ParcelFileDescriptor; 5 import android.util.Log; 6 7 import com.bumptech.glide.load.ResourceDecoder; 8 import com.bumptech.glide.load.engine.Resource; 9 import com.bumptech.glide.load.model.ImageVideoWrapper; 10 11 import java.io.IOException; 12 import java.io.InputStream; 13 14 /** 15 * A {@link ResourceDecoder} that decodes {@link ImageVideoWrapper}s using 16 * a wrapped {@link ResourceDecoder} for {@link InputStream}s 17 * and a wrapped {@link ResourceDecoder} for {@link ParcelFileDescriptor}s. 18 * The {@link InputStream} data in the {@link ImageVideoWrapper} is always preferred. 19 */ 20 public class ImageVideoBitmapDecoder implements ResourceDecoder<ImageVideoWrapper, Bitmap> { 21 private static final String TAG = "ImageVideoDecoder"; 22 private final ResourceDecoder<InputStream, Bitmap> streamDecoder; 23 private final ResourceDecoder<ParcelFileDescriptor, Bitmap> fileDescriptorDecoder; 24 25 public ImageVideoBitmapDecoder(ResourceDecoder<InputStream, Bitmap> streamDecoder, 26 ResourceDecoder<ParcelFileDescriptor, Bitmap> fileDescriptorDecoder) { 27 this.streamDecoder = streamDecoder; 28 this.fileDescriptorDecoder = fileDescriptorDecoder; 29 } 30 31 @SuppressWarnings("resource") 32 // @see ResourceDecoder.decode 33 @Override 34 public Resource<Bitmap> decode(ImageVideoWrapper source, int width, int height) throws IOException { 35 Resource<Bitmap> result = null; 36 InputStream is = source.getStream(); 37 if (is != null) { 38 try { 39 result = streamDecoder.decode(is, width, height); 40 } catch (IOException e) { 41 if (Log.isLoggable(TAG, Log.VERBOSE)) { 42 Log.v(TAG, "Failed to load image from stream, trying FileDescriptor", e); 43 } 44 } 45 } 46 47 if (result == null) { 48 ParcelFileDescriptor fileDescriptor = source.getFileDescriptor(); 49 if (fileDescriptor != null) { 50 result = fileDescriptorDecoder.decode(fileDescriptor, width, height); 51 } 52 } 53 return result; 54 } 55 56 @Override 57 public String getId() { 58 return "ImageVideoBitmapDecoder.com.bumptech.glide.load.resource.bitmap"; 59 } 60 } 61
