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package com.bumptech.glide.load.resource.bitmap;
import android.graphics.Bitmap;
import android.os.ParcelFileDescriptor;
import android.util.Log;
import com.bumptech.glide.load.ResourceDecoder;
import com.bumptech.glide.load.engine.Resource;
import com.bumptech.glide.load.model.ImageVideoWrapper;
import java.io.IOException;
import java.io.InputStream;
/**
* A {@link ResourceDecoder} that decodes {@link ImageVideoWrapper}s using
* a wrapped {@link ResourceDecoder} for {@link InputStream}s
* and a wrapped {@link ResourceDecoder} for {@link ParcelFileDescriptor}s.
* The {@link InputStream} data in the {@link ImageVideoWrapper} is always preferred.
*/
public class ImageVideoBitmapDecoder implements ResourceDecoder<ImageVideoWrapper, Bitmap> {
private static final String TAG = "ImageVideoDecoder";
private final ResourceDecoder<InputStream, Bitmap> streamDecoder;
private final ResourceDecoder<ParcelFileDescriptor, Bitmap> fileDescriptorDecoder;
public ImageVideoBitmapDecoder(ResourceDecoder<InputStream, Bitmap> streamDecoder,
ResourceDecoder<ParcelFileDescriptor, Bitmap> fileDescriptorDecoder) {
this.streamDecoder = streamDecoder;
this.fileDescriptorDecoder = fileDescriptorDecoder;
}
@SuppressWarnings("resource")
// @see ResourceDecoder.decode
@Override
public Resource<Bitmap> decode(ImageVideoWrapper source, int width, int height) throws IOException {
Resource<Bitmap> result = null;
InputStream is = source.getStream();
if (is != null) {
try {
result = streamDecoder.decode(is, width, height);
} catch (IOException e) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log.v(TAG, "Failed to load image from stream, trying FileDescriptor", e);
}
}
}
if (result == null) {
ParcelFileDescriptor fileDescriptor = source.getFileDescriptor();
if (fileDescriptor != null) {
result = fileDescriptorDecoder.decode(fileDescriptor, width, height);
}
}
return result;
}
@Override
public String getId() {
return "ImageVideoBitmapDecoder.com.bumptech.glide.load.resource.bitmap";
}
}
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