com.bumptech.glide.integration.cronet.ChromiumUrlLoader Maven / Gradle / Ivy

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An integration library to use Cronet to fetch data over http/https in Glide
There is a newer version: 5.0.0-rc01
package com.bumptech.glide.integration.cronet;

import androidx.annotation.Nullable;
import com.bumptech.glide.load.Options;
import com.bumptech.glide.load.data.DataFetcher;
import com.bumptech.glide.load.model.GlideUrl;
import com.bumptech.glide.load.model.ModelLoader;
import com.bumptech.glide.load.model.ModelLoaderFactory;
import com.bumptech.glide.load.model.MultiModelLoaderFactory;
import com.bumptech.glide.util.ByteBufferUtil;
import java.io.InputStream;
import java.nio.ByteBuffer;

/**
 * An {@link com.bumptech.glide.load.model.ModelLoader} for loading urls using cronet.
 *
 * @param  The type of data this loader will load.
 */
public final class ChromiumUrlLoader implements ModelLoader {
  private final ChromiumRequestSerializer requestSerializer;
  private final ByteBufferParser parser;

  ChromiumUrlLoader(CronetRequestFactory requestFactory, ByteBufferParser parser) {
    this(parser, requestFactory, null /*dataLogger*/);
  }

  ChromiumUrlLoader(
      ByteBufferParser parser,
      CronetRequestFactory requestFactory,
      @Nullable DataLogger dataLogger) {
    this.parser = parser;
    requestSerializer = new ChromiumRequestSerializer(requestFactory, dataLogger);
  }

  @Override
  public LoadData buildLoadData(GlideUrl glideUrl, int width, int height, Options options) {
    DataFetcher fetcher = new ChromiumUrlFetcher<>(requestSerializer, parser, glideUrl);
    return new LoadData<>(glideUrl, fetcher);
  }

  @Override
  public boolean handles(GlideUrl glideUrl) {
    return true;
  }

  /** Loads {@link InputStream}s for {@link GlideUrl}s using cronet. */
  public static final class StreamFactory
      implements ModelLoaderFactory, ByteBufferParser {

    private CronetRequestFactory requestFactory;
    @Nullable private final DataLogger dataLogger;

    public StreamFactory(CronetRequestFactory requestFactory, @Nullable DataLogger dataLogger) {
      this.requestFactory = requestFactory;
      this.dataLogger = dataLogger;
    }

    @Override
    public ModelLoader build(MultiModelLoaderFactory multiFactory) {
      return new ChromiumUrlLoader<>(this /*parser*/, requestFactory, dataLogger);
    }

    @Override
    public void teardown() {}

    @Override
    public InputStream parse(ByteBuffer byteBuffer) {
      return ByteBufferUtil.toStream(byteBuffer);
    }

    @Override
    public Class getDataClass() {
      return InputStream.class;
    }
  }

  /** Loads {@link ByteBuffer}s for {@link GlideUrl}s using cronet. */
  public static final class ByteBufferFactory
      implements ModelLoaderFactory, ByteBufferParser {

    private CronetRequestFactory requestFactory;
    @Nullable private final DataLogger dataLogger;

    public ByteBufferFactory(CronetRequestFactory requestFactory, @Nullable DataLogger dataLogger) {
      this.requestFactory = requestFactory;
      this.dataLogger = dataLogger;
    }

    @Override
    public ModelLoader build(MultiModelLoaderFactory multiFactory) {
      return new ChromiumUrlLoader<>(this /*parser*/, requestFactory, dataLogger);
    }

    @Override
    public void teardown() {
      // Do nothing.
    }

    @Override
    public ByteBuffer parse(ByteBuffer byteBuffer) {
      return byteBuffer;
    }

    @Override
    public Class getDataClass() {
      return ByteBuffer.class;
    }
  }
}