FrescoAdapter.java

/*
 * This file provided by Facebook is for non-commercial testing and evaluation
 * purposes only.  Facebook reserves all rights not expressly granted.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.facebook.fresco.sample.adapters;

import android.content.Context;
import android.net.Uri;

import com.facebook.drawee.backends.pipeline.Fresco;
import com.facebook.drawee.generic.GenericDraweeHierarchy;
import com.facebook.drawee.generic.GenericDraweeHierarchyBuilder;
import com.facebook.drawee.generic.RoundingParams;
import com.facebook.drawee.interfaces.DraweeController;
import com.facebook.fresco.sample.Drawables;
import com.facebook.fresco.sample.instrumentation.InstrumentedDraweeView;
import com.facebook.fresco.sample.instrumentation.PerfListener;
import com.facebook.imagepipeline.common.ResizeOptions;
import com.facebook.imagepipeline.core.ImagePipelineConfig;
import com.facebook.imagepipeline.request.ImageRequest;
import com.facebook.imagepipeline.request.ImageRequestBuilder;

/** Populate the list view with images using the Fresco image pipeline. */
public class FrescoAdapter extends ImageListAdapter<InstrumentedDraweeView> {

  public FrescoAdapter(
      Context context,
      int resourceId,
      PerfListener perfListener,
      ImagePipelineConfig imagePipelineConfig) {
    super(context, resourceId, perfListener);
    Fresco.initialize(context, imagePipelineConfig);
  }

  @Override
  protected Class<InstrumentedDraweeView> getViewClass() {
    return InstrumentedDraweeView.class;
  }

  protected InstrumentedDraweeView createView() {
    GenericDraweeHierarchy gdh = new GenericDraweeHierarchyBuilder(getContext().getResources())
        .setPlaceholderImage(Drawables.sPlaceholderDrawable)
        .setFailureImage(Drawables.sErrorDrawable)
        .setRoundingParams(RoundingParams.asCircle())
        .build();
    return new InstrumentedDraweeView(getContext(), gdh);
  }

  protected void bind(final InstrumentedDraweeView view, String uri) {
    ImageRequest imageRequest =
        ImageRequestBuilder.newBuilderWithSource(Uri.parse(uri))
            .setResizeOptions(
                new ResizeOptions(view.getLayoutParams().width, view.getLayoutParams().height))
            .build();
    DraweeController draweeController = Fresco.newDraweeControllerBuilder()
        .setImageRequest(imageRequest)
        .setOldController(view.getController())
        .setControllerListener(view.getListener())
        .setAutoPlayAnimations(true)
        .build();
    view.setController(draweeController);
  }

  @Override
  public void shutDown() {
    super.clear();
    Fresco.shutDown();
  }
}